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MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | approve | function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
| /**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
1217,
1366
]
} | 12,500 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | transferFrom | function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
| /**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
1819,
2075
]
} | 12,501 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | increaseAllowance | function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
| /**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
2466,
2673
]
} | 12,502 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | decreaseAllowance | function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
| /**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
3156,
3373
]
} | 12,503 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | _transfer | function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
| /**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
3843,
4269
]
} | 12,504 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | _mint | function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
| /** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
4535,
4841
]
} | 12,505 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | _burn | function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
| /**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
5156,
5460
]
} | 12,506 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | _approve | function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
| /**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
5881,
6214
]
} | 12,507 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
} | /**
* @dev Implementation of the `IERC20` interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using `_mint`.
* For a generic mechanism see `ERC20Mintable`.
*
* *For a detailed writeup see our guide [How to implement supply
* mechanisms](https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226).*
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an `Approval` event is emitted on calls to `transferFrom`.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard `decreaseAllowance` and `increaseAllowance`
* functions have been added to mitigate the well-known issues around setting
* allowances. See `IERC20.approve`.
*/ | NatSpecMultiLine | _burnFrom | function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
| /**
* @dev Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
6387,
6576
]
} | 12,508 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* > Note: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be aplied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | owner | function owner() public view returns (address) {
return _owner;
}
| /**
* @dev Returns the address of the current owner.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
425,
506
]
} | 12,509 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* > Note: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be aplied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | isOwner | function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
| /**
* @dev Returns true if the caller is the current owner.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
776,
870
]
} | 12,510 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* > Note: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be aplied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | renounceOwnership | function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
| /**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* > Note: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
1210,
1351
]
} | 12,511 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* > Note: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be aplied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | transferOwnership | function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
| /**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
1496,
1607
]
} | 12,512 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | Ownable | contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* > Note: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be aplied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | _transferOwnership | function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
| /**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
1704,
1933
]
} | 12,513 |
|
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | PooledCDAI | contract PooledCDAI is ERC20, Ownable {
uint256 internal constant PRECISION = 10 ** 18;
address public constant COMPTROLLER_ADDRESS = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;
address public constant CDAI_ADDRESS = 0xF5DCe57282A584D2746FaF1593d3121Fcac444dC;
address public constant DAI_ADDRESS = 0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359;
string private _name;
string private _symbol;
address public beneficiary; // the account that will receive the interests from Compound
event Mint(address indexed sender, address indexed to, uint256 amount);
event Burn(address indexed sender, address indexed to, uint256 amount);
event WithdrawInterest(address indexed sender, address beneficiary, uint256 amount, bool indexed inDAI);
event SetBeneficiary(address oldBeneficiary, address newBeneficiary);
/**
* @dev Sets the values for `name` and `symbol`. Both of
* these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, address _beneficiary) public {
_name = name;
_symbol = symbol;
// Set beneficiary
require(_beneficiary != address(0), "Beneficiary can't be zero");
beneficiary = _beneficiary;
emit SetBeneficiary(address(0), _beneficiary);
// Enter cDAI market
Comptroller troll = Comptroller(COMPTROLLER_ADDRESS);
address[] memory cTokens = new address[](1);
cTokens[0] = CDAI_ADDRESS;
uint[] memory errors = troll.enterMarkets(cTokens);
require(errors[0] == 0, "Failed to enter cDAI market");
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public pure returns (uint8) {
return 18;
}
function mint(address to, uint256 amount) public returns (bool) {
// transfer `amount` DAI from msg.sender
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transferFrom(msg.sender, address(this), amount), "Failed to transfer DAI from msg.sender");
// use `amount` DAI to mint cDAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(dai.approve(CDAI_ADDRESS, 0), "Failed to clear DAI allowance");
require(dai.approve(CDAI_ADDRESS, amount), "Failed to set DAI allowance");
require(cDAI.mint(amount) == 0, "Failed to mint cDAI");
// mint `amount` pcDAI for `to`
_mint(to, amount);
// emit event
emit Mint(msg.sender, to, amount);
return true;
}
function burn(address to, uint256 amount) public returns (bool) {
// burn `amount` pcDAI for msg.sender
_burn(msg.sender, amount);
// burn cDAI for `amount` DAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(cDAI.redeemUnderlying(amount) == 0, "Failed to redeem");
// transfer DAI to `to`
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transfer(to, amount), "Failed to transfer DAI to target");
// emit event
emit Burn(msg.sender, to, amount);
return true;
}
function accruedInterestCurrent() public returns (uint256) {
CERC20 cDAI = CERC20(CDAI_ADDRESS);
return cDAI.exchangeRateCurrent().mul(cDAI.balanceOf(address(this))).div(PRECISION).sub(totalSupply());
}
function accruedInterestStored() public view returns (uint256) {
CERC20 cDAI = CERC20(CDAI_ADDRESS);
return cDAI.exchangeRateStored().mul(cDAI.balanceOf(address(this))).div(PRECISION).sub(totalSupply());
}
function withdrawInterestInDAI() public returns (bool) {
// calculate amount of interest in DAI
uint256 interestAmount = accruedInterestCurrent();
// burn cDAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(cDAI.redeemUnderlying(interestAmount) == 0, "Failed to redeem");
// transfer DAI to beneficiary
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transfer(beneficiary, interestAmount), "Failed to transfer DAI to beneficiary");
emit WithdrawInterest(msg.sender, beneficiary, interestAmount, true);
return true;
}
function withdrawInterestInCDAI() public returns (bool) {
// calculate amount of cDAI to transfer
CERC20 cDAI = CERC20(CDAI_ADDRESS);
uint256 interestAmountInCDAI = accruedInterestCurrent().mul(PRECISION).div(cDAI.exchangeRateCurrent());
// transfer cDAI to beneficiary
require(cDAI.transfer(beneficiary, interestAmountInCDAI), "Failed to transfer cDAI to beneficiary");
// emit event
emit WithdrawInterest(msg.sender, beneficiary, interestAmountInCDAI, false);
return true;
}
function setBeneficiary(address newBeneficiary) public onlyOwner returns (bool) {
require(newBeneficiary != address(0), "Beneficiary can't be zero");
emit SetBeneficiary(beneficiary, newBeneficiary);
beneficiary = newBeneficiary;
return true;
}
function() external payable {
revert("Contract doesn't support receiving Ether");
}
} | name | function name() public view returns (string memory) {
return _name;
}
| /**
* @dev Returns the name of the token.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
1629,
1706
]
} | 12,514 |
|||
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | PooledCDAI | contract PooledCDAI is ERC20, Ownable {
uint256 internal constant PRECISION = 10 ** 18;
address public constant COMPTROLLER_ADDRESS = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;
address public constant CDAI_ADDRESS = 0xF5DCe57282A584D2746FaF1593d3121Fcac444dC;
address public constant DAI_ADDRESS = 0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359;
string private _name;
string private _symbol;
address public beneficiary; // the account that will receive the interests from Compound
event Mint(address indexed sender, address indexed to, uint256 amount);
event Burn(address indexed sender, address indexed to, uint256 amount);
event WithdrawInterest(address indexed sender, address beneficiary, uint256 amount, bool indexed inDAI);
event SetBeneficiary(address oldBeneficiary, address newBeneficiary);
/**
* @dev Sets the values for `name` and `symbol`. Both of
* these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, address _beneficiary) public {
_name = name;
_symbol = symbol;
// Set beneficiary
require(_beneficiary != address(0), "Beneficiary can't be zero");
beneficiary = _beneficiary;
emit SetBeneficiary(address(0), _beneficiary);
// Enter cDAI market
Comptroller troll = Comptroller(COMPTROLLER_ADDRESS);
address[] memory cTokens = new address[](1);
cTokens[0] = CDAI_ADDRESS;
uint[] memory errors = troll.enterMarkets(cTokens);
require(errors[0] == 0, "Failed to enter cDAI market");
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public pure returns (uint8) {
return 18;
}
function mint(address to, uint256 amount) public returns (bool) {
// transfer `amount` DAI from msg.sender
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transferFrom(msg.sender, address(this), amount), "Failed to transfer DAI from msg.sender");
// use `amount` DAI to mint cDAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(dai.approve(CDAI_ADDRESS, 0), "Failed to clear DAI allowance");
require(dai.approve(CDAI_ADDRESS, amount), "Failed to set DAI allowance");
require(cDAI.mint(amount) == 0, "Failed to mint cDAI");
// mint `amount` pcDAI for `to`
_mint(to, amount);
// emit event
emit Mint(msg.sender, to, amount);
return true;
}
function burn(address to, uint256 amount) public returns (bool) {
// burn `amount` pcDAI for msg.sender
_burn(msg.sender, amount);
// burn cDAI for `amount` DAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(cDAI.redeemUnderlying(amount) == 0, "Failed to redeem");
// transfer DAI to `to`
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transfer(to, amount), "Failed to transfer DAI to target");
// emit event
emit Burn(msg.sender, to, amount);
return true;
}
function accruedInterestCurrent() public returns (uint256) {
CERC20 cDAI = CERC20(CDAI_ADDRESS);
return cDAI.exchangeRateCurrent().mul(cDAI.balanceOf(address(this))).div(PRECISION).sub(totalSupply());
}
function accruedInterestStored() public view returns (uint256) {
CERC20 cDAI = CERC20(CDAI_ADDRESS);
return cDAI.exchangeRateStored().mul(cDAI.balanceOf(address(this))).div(PRECISION).sub(totalSupply());
}
function withdrawInterestInDAI() public returns (bool) {
// calculate amount of interest in DAI
uint256 interestAmount = accruedInterestCurrent();
// burn cDAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(cDAI.redeemUnderlying(interestAmount) == 0, "Failed to redeem");
// transfer DAI to beneficiary
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transfer(beneficiary, interestAmount), "Failed to transfer DAI to beneficiary");
emit WithdrawInterest(msg.sender, beneficiary, interestAmount, true);
return true;
}
function withdrawInterestInCDAI() public returns (bool) {
// calculate amount of cDAI to transfer
CERC20 cDAI = CERC20(CDAI_ADDRESS);
uint256 interestAmountInCDAI = accruedInterestCurrent().mul(PRECISION).div(cDAI.exchangeRateCurrent());
// transfer cDAI to beneficiary
require(cDAI.transfer(beneficiary, interestAmountInCDAI), "Failed to transfer cDAI to beneficiary");
// emit event
emit WithdrawInterest(msg.sender, beneficiary, interestAmountInCDAI, false);
return true;
}
function setBeneficiary(address newBeneficiary) public onlyOwner returns (bool) {
require(newBeneficiary != address(0), "Beneficiary can't be zero");
emit SetBeneficiary(beneficiary, newBeneficiary);
beneficiary = newBeneficiary;
return true;
}
function() external payable {
revert("Contract doesn't support receiving Ether");
}
} | symbol | function symbol() public view returns (string memory) {
return _symbol;
}
| /**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
1810,
1891
]
} | 12,515 |
|||
MetadataPooledCDAIFactory | MetadataPooledCDAIFactory.sol | 0x64bf69f73f450ef644bc1c8e0f7b3960eebc5bf8 | Solidity | PooledCDAI | contract PooledCDAI is ERC20, Ownable {
uint256 internal constant PRECISION = 10 ** 18;
address public constant COMPTROLLER_ADDRESS = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;
address public constant CDAI_ADDRESS = 0xF5DCe57282A584D2746FaF1593d3121Fcac444dC;
address public constant DAI_ADDRESS = 0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359;
string private _name;
string private _symbol;
address public beneficiary; // the account that will receive the interests from Compound
event Mint(address indexed sender, address indexed to, uint256 amount);
event Burn(address indexed sender, address indexed to, uint256 amount);
event WithdrawInterest(address indexed sender, address beneficiary, uint256 amount, bool indexed inDAI);
event SetBeneficiary(address oldBeneficiary, address newBeneficiary);
/**
* @dev Sets the values for `name` and `symbol`. Both of
* these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, address _beneficiary) public {
_name = name;
_symbol = symbol;
// Set beneficiary
require(_beneficiary != address(0), "Beneficiary can't be zero");
beneficiary = _beneficiary;
emit SetBeneficiary(address(0), _beneficiary);
// Enter cDAI market
Comptroller troll = Comptroller(COMPTROLLER_ADDRESS);
address[] memory cTokens = new address[](1);
cTokens[0] = CDAI_ADDRESS;
uint[] memory errors = troll.enterMarkets(cTokens);
require(errors[0] == 0, "Failed to enter cDAI market");
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public pure returns (uint8) {
return 18;
}
function mint(address to, uint256 amount) public returns (bool) {
// transfer `amount` DAI from msg.sender
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transferFrom(msg.sender, address(this), amount), "Failed to transfer DAI from msg.sender");
// use `amount` DAI to mint cDAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(dai.approve(CDAI_ADDRESS, 0), "Failed to clear DAI allowance");
require(dai.approve(CDAI_ADDRESS, amount), "Failed to set DAI allowance");
require(cDAI.mint(amount) == 0, "Failed to mint cDAI");
// mint `amount` pcDAI for `to`
_mint(to, amount);
// emit event
emit Mint(msg.sender, to, amount);
return true;
}
function burn(address to, uint256 amount) public returns (bool) {
// burn `amount` pcDAI for msg.sender
_burn(msg.sender, amount);
// burn cDAI for `amount` DAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(cDAI.redeemUnderlying(amount) == 0, "Failed to redeem");
// transfer DAI to `to`
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transfer(to, amount), "Failed to transfer DAI to target");
// emit event
emit Burn(msg.sender, to, amount);
return true;
}
function accruedInterestCurrent() public returns (uint256) {
CERC20 cDAI = CERC20(CDAI_ADDRESS);
return cDAI.exchangeRateCurrent().mul(cDAI.balanceOf(address(this))).div(PRECISION).sub(totalSupply());
}
function accruedInterestStored() public view returns (uint256) {
CERC20 cDAI = CERC20(CDAI_ADDRESS);
return cDAI.exchangeRateStored().mul(cDAI.balanceOf(address(this))).div(PRECISION).sub(totalSupply());
}
function withdrawInterestInDAI() public returns (bool) {
// calculate amount of interest in DAI
uint256 interestAmount = accruedInterestCurrent();
// burn cDAI
CERC20 cDAI = CERC20(CDAI_ADDRESS);
require(cDAI.redeemUnderlying(interestAmount) == 0, "Failed to redeem");
// transfer DAI to beneficiary
ERC20 dai = ERC20(DAI_ADDRESS);
require(dai.transfer(beneficiary, interestAmount), "Failed to transfer DAI to beneficiary");
emit WithdrawInterest(msg.sender, beneficiary, interestAmount, true);
return true;
}
function withdrawInterestInCDAI() public returns (bool) {
// calculate amount of cDAI to transfer
CERC20 cDAI = CERC20(CDAI_ADDRESS);
uint256 interestAmountInCDAI = accruedInterestCurrent().mul(PRECISION).div(cDAI.exchangeRateCurrent());
// transfer cDAI to beneficiary
require(cDAI.transfer(beneficiary, interestAmountInCDAI), "Failed to transfer cDAI to beneficiary");
// emit event
emit WithdrawInterest(msg.sender, beneficiary, interestAmountInCDAI, false);
return true;
}
function setBeneficiary(address newBeneficiary) public onlyOwner returns (bool) {
require(newBeneficiary != address(0), "Beneficiary can't be zero");
emit SetBeneficiary(beneficiary, newBeneficiary);
beneficiary = newBeneficiary;
return true;
}
function() external payable {
revert("Contract doesn't support receiving Ether");
}
} | decimals | function decimals() public pure returns (uint8) {
return 18;
}
| /**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | bzzr://54e735fe8314ee5329c01accf69b392f428f0a28a999142b46dcf78a72885b6a | {
"func_code_index": [
2423,
2493
]
} | 12,516 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TheAO | contract TheAO {
address public theAO;
address public nameTAOPositionAddress;
// Check whether an address is whitelisted and granted access to transact
// on behalf of others
mapping (address => bool) public whitelist;
constructor() public {
theAO = msg.sender;
}
/**
* @dev Checks if msg.sender is in whitelist.
*/
modifier inWhitelist() {
require (whitelist[msg.sender] == true);
_;
}
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public {
require (msg.sender == theAO);
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public {
require (msg.sender == theAO);
require (_account != address(0));
whitelist[_account] = _whitelist;
}
} | transferOwnership | function transferOwnership(address _theAO) public {
require (msg.sender == theAO);
require (_theAO != address(0));
theAO = _theAO;
}
| /**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
550,
695
]
} | 12,517 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TheAO | contract TheAO {
address public theAO;
address public nameTAOPositionAddress;
// Check whether an address is whitelisted and granted access to transact
// on behalf of others
mapping (address => bool) public whitelist;
constructor() public {
theAO = msg.sender;
}
/**
* @dev Checks if msg.sender is in whitelist.
*/
modifier inWhitelist() {
require (whitelist[msg.sender] == true);
_;
}
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public {
require (msg.sender == theAO);
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public {
require (msg.sender == theAO);
require (_account != address(0));
whitelist[_account] = _whitelist;
}
} | setWhitelist | function setWhitelist(address _account, bool _whitelist) public {
require (msg.sender == theAO);
require (_account != address(0));
whitelist[_account] = _whitelist;
}
| /**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
877,
1056
]
} | 12,518 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | mul | function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
| /**
* @dev Multiplies two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
88,
454
]
} | 12,519 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
| /**
* @dev Integer division of two numbers, truncating the quotient.
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
537,
807
]
} | 12,520 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
| /**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
920,
1030
]
} | 12,521 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | add | function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
| /**
* @dev Adds two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1093,
1215
]
} | 12,522 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TokenERC20 | contract TokenERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor (uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | _transfer | function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
| /**
* Internal transfer, only can be called by this contract
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1514,
2272
]
} | 12,523 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TokenERC20 | contract TokenERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor (uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | transfer | function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
| /**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2454,
2593
]
} | 12,524 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TokenERC20 | contract TokenERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor (uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | transferFrom | function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
| /**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2841,
3112
]
} | 12,525 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TokenERC20 | contract TokenERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor (uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | approve | function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
| /**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3352,
3549
]
} | 12,526 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TokenERC20 | contract TokenERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor (uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | approveAndCall | function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
| /**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3916,
4224
]
} | 12,527 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TokenERC20 | contract TokenERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor (uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | burn | function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
| /**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
4373,
4716
]
} | 12,528 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TokenERC20 | contract TokenERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor (uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | burnFrom | function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
| /**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
4950,
5518
]
} | 12,529 |
|||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAO | contract TAO {
using SafeMath for uint256;
address public vaultAddress;
string public name; // the name for this TAO
address public originId; // the ID of the Name that created this TAO. If Name, it's the eth address
// TAO's data
string public datHash;
string public database;
string public keyValue;
bytes32 public contentId;
/**
* 0 = TAO
* 1 = Name
*/
uint8 public typeId;
/**
* @dev Constructor function
*/
constructor (string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _vaultAddress
) public {
name = _name;
originId = _originId;
datHash = _datHash;
database = _database;
keyValue = _keyValue;
contentId = _contentId;
// Creating TAO
typeId = 0;
vaultAddress = _vaultAddress;
}
/**
* @dev Checks if calling address is Vault contract
*/
modifier onlyVault {
require (msg.sender == vaultAddress);
_;
}
/**
* Will receive any ETH sent
*/
function () external payable {
}
/**
* @dev Allows Vault to transfer `_amount` of ETH from this TAO to `_recipient`
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/
function transferEth(address payable _recipient, uint256 _amount) public onlyVault returns (bool) {
_recipient.transfer(_amount);
return true;
}
/**
* @dev Allows Vault to transfer `_amount` of ERC20 Token from this TAO to `_recipient`
* @param _erc20TokenAddress The address of ERC20 Token
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/
function transferERC20(address _erc20TokenAddress, address _recipient, uint256 _amount) public onlyVault returns (bool) {
TokenERC20 _erc20 = TokenERC20(_erc20TokenAddress);
_erc20.transfer(_recipient, _amount);
return true;
}
} | /**
* @title TAO
*/ | NatSpecMultiLine | function () external payable {
}
| /**
* Will receive any ETH sent
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1070,
1106
]
} | 12,530 |
||
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAO | contract TAO {
using SafeMath for uint256;
address public vaultAddress;
string public name; // the name for this TAO
address public originId; // the ID of the Name that created this TAO. If Name, it's the eth address
// TAO's data
string public datHash;
string public database;
string public keyValue;
bytes32 public contentId;
/**
* 0 = TAO
* 1 = Name
*/
uint8 public typeId;
/**
* @dev Constructor function
*/
constructor (string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _vaultAddress
) public {
name = _name;
originId = _originId;
datHash = _datHash;
database = _database;
keyValue = _keyValue;
contentId = _contentId;
// Creating TAO
typeId = 0;
vaultAddress = _vaultAddress;
}
/**
* @dev Checks if calling address is Vault contract
*/
modifier onlyVault {
require (msg.sender == vaultAddress);
_;
}
/**
* Will receive any ETH sent
*/
function () external payable {
}
/**
* @dev Allows Vault to transfer `_amount` of ETH from this TAO to `_recipient`
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/
function transferEth(address payable _recipient, uint256 _amount) public onlyVault returns (bool) {
_recipient.transfer(_amount);
return true;
}
/**
* @dev Allows Vault to transfer `_amount` of ERC20 Token from this TAO to `_recipient`
* @param _erc20TokenAddress The address of ERC20 Token
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/
function transferERC20(address _erc20TokenAddress, address _recipient, uint256 _amount) public onlyVault returns (bool) {
TokenERC20 _erc20 = TokenERC20(_erc20TokenAddress);
_erc20.transfer(_recipient, _amount);
return true;
}
} | /**
* @title TAO
*/ | NatSpecMultiLine | transferEth | function transferEth(address payable _recipient, uint256 _amount) public onlyVault returns (bool) {
_recipient.transfer(_amount);
return true;
}
| /**
* @dev Allows Vault to transfer `_amount` of ETH from this TAO to `_recipient`
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1320,
1474
]
} | 12,531 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAO | contract TAO {
using SafeMath for uint256;
address public vaultAddress;
string public name; // the name for this TAO
address public originId; // the ID of the Name that created this TAO. If Name, it's the eth address
// TAO's data
string public datHash;
string public database;
string public keyValue;
bytes32 public contentId;
/**
* 0 = TAO
* 1 = Name
*/
uint8 public typeId;
/**
* @dev Constructor function
*/
constructor (string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _vaultAddress
) public {
name = _name;
originId = _originId;
datHash = _datHash;
database = _database;
keyValue = _keyValue;
contentId = _contentId;
// Creating TAO
typeId = 0;
vaultAddress = _vaultAddress;
}
/**
* @dev Checks if calling address is Vault contract
*/
modifier onlyVault {
require (msg.sender == vaultAddress);
_;
}
/**
* Will receive any ETH sent
*/
function () external payable {
}
/**
* @dev Allows Vault to transfer `_amount` of ETH from this TAO to `_recipient`
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/
function transferEth(address payable _recipient, uint256 _amount) public onlyVault returns (bool) {
_recipient.transfer(_amount);
return true;
}
/**
* @dev Allows Vault to transfer `_amount` of ERC20 Token from this TAO to `_recipient`
* @param _erc20TokenAddress The address of ERC20 Token
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/
function transferERC20(address _erc20TokenAddress, address _recipient, uint256 _amount) public onlyVault returns (bool) {
TokenERC20 _erc20 = TokenERC20(_erc20TokenAddress);
_erc20.transfer(_recipient, _amount);
return true;
}
} | /**
* @title TAO
*/ | NatSpecMultiLine | transferERC20 | function transferERC20(address _erc20TokenAddress, address _recipient, uint256 _amount) public onlyVault returns (bool) {
TokenERC20 _erc20 = TokenERC20(_erc20TokenAddress);
_erc20.transfer(_recipient, _amount);
return true;
}
| /**
* @dev Allows Vault to transfer `_amount` of ERC20 Token from this TAO to `_recipient`
* @param _erc20TokenAddress The address of ERC20 Token
* @param _recipient The recipient address
* @param _amount The amount to transfer
* @return true on success
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1754,
1993
]
} | 12,532 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | isTAO | function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
| /**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
352,
614
]
} | 12,533 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | isName | function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
| /**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
769,
1039
]
} | 12,534 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | isValidERC20TokenAddress | function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
| /**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1179,
1492
]
} | 12,535 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | isTheAO | function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
| /**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1843,
2179
]
} | 12,536 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | PERCENTAGE_DIVISOR | function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
| /**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2372,
2470
]
} | 12,537 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | MULTIPLIER_DIVISOR | function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
| /**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2664,
2762
]
} | 12,538 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | deployTAO | function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
| /**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3174,
3515
]
} | 12,539 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | deployName | function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
| /**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3937,
4287
]
} | 12,540 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | calculateWeightedMultiplier | function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
| /**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
4866,
5481
]
} | 12,541 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | calculatePrimordialMultiplier | function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
| /**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
6182,
7648
]
} | 12,542 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | calculateNetworkBonusPercentage | function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
| /**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
8371,
9853
]
} | 12,543 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | calculateNetworkBonusAmount | function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
| /**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
10367,
11041
]
} | 12,544 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | calculateMaximumBurnAmount | function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
| /**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
11535,
11836
]
} | 12,545 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | calculateMultiplierAfterBurn | function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
| /**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
12303,
12570
]
} | 12,546 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | calculateMultiplierAfterConversion | function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
| /**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
13061,
13340
]
} | 12,547 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | AOLibrary | library AOLibrary {
using SafeMath for uint256;
uint256 constant private _MULTIPLIER_DIVISOR = 10 ** 6; // 1000000 = 1
uint256 constant private _PERCENTAGE_DIVISOR = 10 ** 6; // 100% = 1000000
/**
* @dev Check whether or not the given TAO ID is a TAO
* @param _taoId The ID of the TAO
* @return true if yes. false otherwise
*/
function isTAO(address _taoId) public view returns (bool) {
return (_taoId != address(0) && bytes(TAO(address(uint160(_taoId))).name()).length > 0 && TAO(address(uint160(_taoId))).originId() != address(0) && TAO(address(uint160(_taoId))).typeId() == 0);
}
/**
* @dev Check whether or not the given Name ID is a Name
* @param _nameId The ID of the Name
* @return true if yes. false otherwise
*/
function isName(address _nameId) public view returns (bool) {
return (_nameId != address(0) && bytes(TAO(address(uint160(_nameId))).name()).length > 0 && Name(address(uint160(_nameId))).originId() != address(0) && Name(address(uint160(_nameId))).typeId() == 1);
}
/**
* @dev Check if `_tokenAddress` is a valid ERC20 Token address
* @param _tokenAddress The ERC20 Token address to check
*/
function isValidERC20TokenAddress(address _tokenAddress) public view returns (bool) {
if (_tokenAddress == address(0)) {
return false;
}
TokenERC20 _erc20 = TokenERC20(_tokenAddress);
return (_erc20.totalSupply() >= 0 && bytes(_erc20.name()).length > 0 && bytes(_erc20.symbol()).length > 0);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
* @param _sender The address to check
* @param _theAO The AO address
* @param _nameTAOPositionAddress The address of NameTAOPosition
* @return true if yes, false otherwise
*/
function isTheAO(address _sender, address _theAO, address _nameTAOPositionAddress) public view returns (bool) {
return (_sender == _theAO ||
(
(isTAO(_theAO) || isName(_theAO)) &&
_nameTAOPositionAddress != address(0) &&
INameTAOPosition(_nameTAOPositionAddress).senderIsAdvocate(_sender, _theAO)
)
);
}
/**
* @dev Return the divisor used to correctly calculate percentage.
* Percentage stored throughout AO contracts covers 4 decimals,
* so 1% is 10000, 1.25% is 12500, etc
*/
function PERCENTAGE_DIVISOR() public pure returns (uint256) {
return _PERCENTAGE_DIVISOR;
}
/**
* @dev Return the divisor used to correctly calculate multiplier.
* Multiplier stored throughout AO contracts covers 6 decimals,
* so 1 is 1000000, 0.023 is 23000, etc
*/
function MULTIPLIER_DIVISOR() public pure returns (uint256) {
return _MULTIPLIER_DIVISOR;
}
/**
* @dev deploy a TAO
* @param _name The name of the TAO
* @param _originId The Name ID the creates the TAO
* @param _datHash The datHash of this TAO
* @param _database The database for this TAO
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this TAO
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployTAO(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (TAO _tao) {
_tao = new TAO(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev deploy a Name
* @param _name The name of the Name
* @param _originId The eth address the creates the Name
* @param _datHash The datHash of this Name
* @param _database The database for this Name
* @param _keyValue The key/value pair to be checked on the database
* @param _contentId The contentId related to this Name
* @param _nameTAOVaultAddress The address of NameTAOVault
*/
function deployName(string memory _name,
address _originId,
string memory _datHash,
string memory _database,
string memory _keyValue,
bytes32 _contentId,
address _nameTAOVaultAddress
) public returns (Name _myName) {
_myName = new Name(_name, _originId, _datHash, _database, _keyValue, _contentId, _nameTAOVaultAddress);
}
/**
* @dev Calculate the new weighted multiplier when adding `_additionalPrimordialAmount` at `_additionalWeightedMultiplier` to the current `_currentPrimordialBalance` at `_currentWeightedMultiplier`
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _currentPrimordialBalance Account's current primordial ion balance
* @param _additionalWeightedMultiplier The weighted multiplier to be added
* @param _additionalPrimordialAmount The primordial ion amount to be added
* @return the new primordial weighted multiplier
*/
function calculateWeightedMultiplier(uint256 _currentWeightedMultiplier, uint256 _currentPrimordialBalance, uint256 _additionalWeightedMultiplier, uint256 _additionalPrimordialAmount) public pure returns (uint256) {
if (_currentWeightedMultiplier > 0) {
uint256 _totalWeightedIons = (_currentWeightedMultiplier.mul(_currentPrimordialBalance)).add(_additionalWeightedMultiplier.mul(_additionalPrimordialAmount));
uint256 _totalIons = _currentPrimordialBalance.add(_additionalPrimordialAmount);
return _totalWeightedIons.div(_totalIons);
} else {
return _additionalWeightedMultiplier;
}
}
/**
* @dev Calculate the primordial ion multiplier on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Multiplier = S
* Ending Multiplier = E
* To Purchase = P
* Multiplier for next Lot of Amount = (1 - ((M + P/2) / T)) x (S-E)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion mintable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting multiplier in (10 ** 6)
* @param _endingMultiplier The ending multiplier in (10 ** 6)
* @return The multiplier in (10 ** 6)
*/
function calculatePrimordialMultiplier(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* Multiplier = (1 - (temp / T)) x (S-E)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply multiplier with _MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR to account for 6 decimals
* so, Multiplier = (_MULTIPLIER_DIVISOR/_MULTIPLIER_DIVISOR) * (1 - (temp / T)) * (S-E)
* Multiplier = ((_MULTIPLIER_DIVISOR * (1 - (temp / T))) * (S-E)) / _MULTIPLIER_DIVISOR
* Multiplier = ((_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)) / _MULTIPLIER_DIVISOR
* Take out the division by _MULTIPLIER_DIVISOR for now and include in later calculation
* Multiplier = (_MULTIPLIER_DIVISOR - ((_MULTIPLIER_DIVISOR * temp) / T)) * (S-E)
*/
uint256 multiplier = (_MULTIPLIER_DIVISOR.sub(_MULTIPLIER_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier));
/**
* Since _startingMultiplier and _endingMultiplier are in 6 decimals
* Need to divide multiplier by _MULTIPLIER_DIVISOR
*/
return multiplier.div(_MULTIPLIER_DIVISOR);
} else {
return 0;
}
}
/**
* @dev Calculate the bonus percentage of network ion on a given lot
* Total Primordial Mintable = T
* Total Primordial Minted = M
* Starting Network Bonus Multiplier = Bs
* Ending Network Bonus Multiplier = Be
* To Purchase = P
* AO Bonus % = B% = (1 - ((M + P/2) / T)) x (Bs-Be)
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusPercentage(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
if (_purchaseAmount > 0 && _purchaseAmount <= _totalPrimordialMintable.sub(_totalPrimordialMinted)) {
/**
* Let temp = M + (P/2)
* B% = (1 - (temp / T)) x (Bs-Be)
*/
uint256 temp = _totalPrimordialMinted.add(_purchaseAmount.div(2));
/**
* Multiply B% with _PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR to account for 6 decimals
* so, B% = (_PERCENTAGE_DIVISOR/_PERCENTAGE_DIVISOR) * (1 - (temp / T)) * (Bs-Be)
* B% = ((_PERCENTAGE_DIVISOR * (1 - (temp / T))) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* B% = ((_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)) / _PERCENTAGE_DIVISOR
* Take out the division by _PERCENTAGE_DIVISOR for now and include in later calculation
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be)
* But since Bs and Be are in 6 decimals, need to divide by _PERCENTAGE_DIVISOR
* B% = (_PERCENTAGE_DIVISOR - ((_PERCENTAGE_DIVISOR * temp) / T)) * (Bs-Be) / _PERCENTAGE_DIVISOR
*/
uint256 bonusPercentage = (_PERCENTAGE_DIVISOR.sub(_PERCENTAGE_DIVISOR.mul(temp).div(_totalPrimordialMintable))).mul(_startingMultiplier.sub(_endingMultiplier)).div(_PERCENTAGE_DIVISOR);
return bonusPercentage;
} else {
return 0;
}
}
/**
* @dev Calculate the bonus amount of network ion on a given lot
* AO Bonus Amount = B% x P
*
* @param _purchaseAmount The amount of primordial ion intended to be purchased
* @param _totalPrimordialMintable Total Primordial ion intable
* @param _totalPrimordialMinted Total Primordial ion minted so far
* @param _startingMultiplier The starting Network ion bonus multiplier
* @param _endingMultiplier The ending Network ion bonus multiplier
* @return The bonus percentage
*/
function calculateNetworkBonusAmount(uint256 _purchaseAmount, uint256 _totalPrimordialMintable, uint256 _totalPrimordialMinted, uint256 _startingMultiplier, uint256 _endingMultiplier) public pure returns (uint256) {
uint256 bonusPercentage = calculateNetworkBonusPercentage(_purchaseAmount, _totalPrimordialMintable, _totalPrimordialMinted, _startingMultiplier, _endingMultiplier);
/**
* Since bonusPercentage is in _PERCENTAGE_DIVISOR format, need to divide it with _PERCENTAGE DIVISOR
* when calculating the network ion bonus amount
*/
uint256 networkBonus = bonusPercentage.mul(_purchaseAmount).div(_PERCENTAGE_DIVISOR);
return networkBonus;
}
/**
* @dev Calculate the maximum amount of Primordial an account can burn
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _maximumMultiplier = S
* _amountToBurn = B
* B = ((S x P) - (P x M)) / S
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _maximumMultiplier The maximum multiplier of this account
* @return The maximum burn amount
*/
function calculateMaximumBurnAmount(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _maximumMultiplier) public pure returns (uint256) {
return (_maximumMultiplier.mul(_primordialBalance).sub(_primordialBalance.mul(_currentWeightedMultiplier))).div(_maximumMultiplier);
}
/**
* @dev Calculate the new multiplier after burning primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToBurn = B
* _newMultiplier = E
* E = (P x M) / (P - B)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToBurn The amount of primordial ion to burn
* @return The new multiplier
*/
function calculateMultiplierAfterBurn(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToBurn) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.sub(_amountToBurn));
}
/**
* @dev Calculate the new multiplier after converting network ion to primordial ion
* _primordialBalance = P
* _currentWeightedMultiplier = M
* _amountToConvert = C
* _newMultiplier = E
* E = (P x M) / (P + C)
*
* @param _primordialBalance Account's primordial ion balance
* @param _currentWeightedMultiplier Account's current weighted multiplier
* @param _amountToConvert The amount of network ion to convert
* @return The new multiplier
*/
function calculateMultiplierAfterConversion(uint256 _primordialBalance, uint256 _currentWeightedMultiplier, uint256 _amountToConvert) public pure returns (uint256) {
return _primordialBalance.mul(_currentWeightedMultiplier).div(_primordialBalance.add(_amountToConvert));
}
/**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/
function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
} | /**
* @title AOLibrary
*/ | NatSpecMultiLine | numDigits | function numDigits(uint256 number) public pure returns (uint8) {
uint8 digits = 0;
while(number != 0) {
number = number.div(10);
digits++;
}
return digits;
}
| /**
* @dev count num of digits
* @param number uint256 of the nuumber to be checked
* @return uint8 num of digits
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
13474,
13655
]
} | 12,548 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | transferOwnership | function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
| /**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
1888,
2009
]
} | 12,549 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | setWhitelist | function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
| /**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2191,
2346
]
} | 12,550 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | setNameTAOPositionAddress | function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
| /**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2477,
2674
]
} | 12,551 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | transferFrom | function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
| /**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2968,
3161
]
} | 12,552 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | mint | function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
| /**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3390,
3551
]
} | 12,553 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | whitelistBurnFrom | function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
| /**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3776,
4215
]
} | 12,554 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | _transfer | function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
| /**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
4444,
5131
]
} | 12,555 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrency | contract TAOCurrency is TheAO {
using SafeMath for uint256;
// Public variables of the contract
string public name;
string public symbol;
uint8 public decimals;
// To differentiate denomination of TAO Currency
uint256 public powerOfTen;
uint256 public totalSupply;
// This creates an array with all balances
// address is the address of nameId, not the eth public address
mapping (address => uint256) public balanceOf;
// This generates a public event on the blockchain that will notify clients
// address is the address of TAO/Name Id, not eth public address
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
// address is the address of TAO/Name Id, not eth public address
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply TAOCurrency to the creator of the contract
*/
constructor (string memory _name, string memory _symbol, address _nameTAOPositionAddress) public {
name = _name; // Set the name for display purposes
symbol = _symbol; // Set the symbol for display purposes
powerOfTen = 0;
decimals = 0;
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Check if `_id` is a Name or a TAO
*/
modifier isNameOrTAO(address _id) {
require (AOLibrary.isName(_id) || AOLibrary.isTAO(_id));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/***** PUBLIC METHODS *****/
/**
* @dev transfer TAOCurrency from other address
*
* Send `_value` TAOCurrency to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public inWhitelist isNameOrTAO(_from) isNameOrTAO(_to) returns (bool) {
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
* @return true on success
*/
function mint(address target, uint256 mintedAmount) public inWhitelist isNameOrTAO(target) returns (bool) {
_mint(target, mintedAmount);
return true;
}
/**
*
* @dev Whitelisted address remove `_value` TAOCurrency from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function whitelistBurnFrom(address _from, uint256 _value) public inWhitelist isNameOrTAO(_from) returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the targeted balance
totalSupply = totalSupply.sub(_value); // Update totalSupply
emit Burn(_from, _value);
return true;
}
/***** INTERNAL METHODS *****/
/**
* @dev Send `_value` TAOCurrency from `_from` to `_to`
* @param _from The address of sender
* @param _to The address of the recipient
* @param _value The amount to send
*/
function _transfer(address _from, address _to, uint256 _value) internal {
require (_to != address(0)); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to].add(_value) >= balanceOf[_to]); // Check for overflows
uint256 previousBalances = balanceOf[_from].add(balanceOf[_to]);
balanceOf[_from] = balanceOf[_from].sub(_value); // Subtract from the sender
balanceOf[_to] = balanceOf[_to].add(_value); // Add the same to the recipient
emit Transfer(_from, _to, _value);
assert(balanceOf[_from].add(balanceOf[_to]) == previousBalances);
}
/**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/
function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
} | /**
* @title TAOCurrency
*/ | NatSpecMultiLine | _mint | function _mint(address target, uint256 mintedAmount) internal {
balanceOf[target] = balanceOf[target].add(mintedAmount);
totalSupply = totalSupply.add(mintedAmount);
emit Transfer(address(0), address(this), mintedAmount);
emit Transfer(address(this), target, mintedAmount);
}
| /**
* @dev Create `mintedAmount` TAOCurrency and send it to `target`
* @param target Address to receive TAOCurrency
* @param mintedAmount The amount of TAOCurrency it will receive
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
5331,
5622
]
} | 12,556 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | transferOwnership | function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
| /**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2364,
2485
]
} | 12,557 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | setWhitelist | function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
| /**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2667,
2822
]
} | 12,558 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | setNameTAOPositionAddress | function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
| /**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
2953,
3150
]
} | 12,559 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | setNameFactoryAddress | function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
| /**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3269,
3499
]
} | 12,560 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | addDenomination | function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
| /**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
3782,
4730
]
} | 12,561 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | updateDenomination | function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
| /**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
5022,
6033
]
} | 12,562 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | isDenominationExist | function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
| /**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
6232,
6540
]
} | 12,563 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | getDenominationByName | function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
| /**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
6913,
7434
]
} | 12,564 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | getDenominationByIndex | function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
| /**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
7792,
8300
]
} | 12,565 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | getBaseDenomination | function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
| /**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
8612,
8808
]
} | 12,566 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | toBase | function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
| /**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
9524,
10368
]
} | 12,567 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | fromBase | function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
| /**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
10838,
11500
]
} | 12,568 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | exchangeDenomination | function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
| /**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
11817,
13592
]
} | 12,569 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | getDenominationExchangeById | function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
| /**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
13977,
14639
]
} | 12,570 |
|
LogosTreasury | LogosTreasury.sol | 0xbbe40982d356187ef8dbe785bee9d43f16ac9ddd | Solidity | TAOCurrencyTreasury | contract TAOCurrencyTreasury is TheAO, ITAOCurrencyTreasury {
using SafeMath for uint256;
uint256 public totalDenominations;
uint256 public totalDenominationExchanges;
address public nameFactoryAddress;
INameFactory internal _nameFactory;
struct Denomination {
bytes8 name;
address denominationAddress;
}
struct DenominationExchange {
bytes32 exchangeId;
address nameId; // The nameId that perform this exchange
address fromDenominationAddress; // The address of the from denomination
address toDenominationAddress; // The address of the target denomination
uint256 amount;
}
// Mapping from denomination index to Denomination object
// The list is in order from lowest denomination to highest denomination
// i.e, denominations[1] is the base denomination
mapping (uint256 => Denomination) internal denominations;
// Mapping from denomination ID to index of denominations
mapping (bytes8 => uint256) internal denominationIndex;
// Mapping from exchange id to DenominationExchange object
mapping (uint256 => DenominationExchange) internal denominationExchanges;
mapping (bytes32 => uint256) internal denominationExchangeIdLookup;
// Event to be broadcasted to public when a exchange between denominations happens
event ExchangeDenomination(address indexed nameId, bytes32 indexed exchangeId, uint256 amount, address fromDenominationAddress, string fromDenominationSymbol, address toDenominationAddress, string toDenominationSymbol);
/**
* @dev Constructor function
*/
constructor(address _nameFactoryAddress, address _nameTAOPositionAddress) public {
setNameFactoryAddress(_nameFactoryAddress);
setNameTAOPositionAddress(_nameTAOPositionAddress);
}
/**
* @dev Checks if the calling contract address is The AO
* OR
* If The AO is set to a Name/TAO, then check if calling address is the Advocate
*/
modifier onlyTheAO {
require (AOLibrary.isTheAO(msg.sender, theAO, nameTAOPositionAddress));
_;
}
/**
* @dev Checks if denomination is valid
*/
modifier isValidDenomination(bytes8 denominationName) {
require (this.isDenominationExist(denominationName));
_;
}
/***** The AO ONLY METHODS *****/
/**
* @dev Transfer ownership of The AO to new address
* @param _theAO The new address to be transferred
*/
function transferOwnership(address _theAO) public onlyTheAO {
require (_theAO != address(0));
theAO = _theAO;
}
/**
* @dev Whitelist `_account` address to transact on behalf of others
* @param _account The address to whitelist
* @param _whitelist Either to whitelist or not
*/
function setWhitelist(address _account, bool _whitelist) public onlyTheAO {
require (_account != address(0));
whitelist[_account] = _whitelist;
}
/**
* @dev The AO set the NameTAOPosition Address
* @param _nameTAOPositionAddress The address of NameTAOPosition
*/
function setNameTAOPositionAddress(address _nameTAOPositionAddress) public onlyTheAO {
require (_nameTAOPositionAddress != address(0));
nameTAOPositionAddress = _nameTAOPositionAddress;
}
/**
* @dev The AO set the NameFactory Address
* @param _nameFactoryAddress The address of NameFactory
*/
function setNameFactoryAddress(address _nameFactoryAddress) public onlyTheAO {
require (_nameFactoryAddress != address(0));
nameFactoryAddress = _nameFactoryAddress;
_nameFactory = INameFactory(_nameFactoryAddress);
}
/**
* @dev The AO adds denomination and the contract address associated with it
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function addDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO returns (bool) {
require (denominationName.length > 0);
require (denominationName[0] != 0);
require (denominationAddress != address(0));
require (denominationIndex[denominationName] == 0);
totalDenominations++;
// Make sure the new denomination is higher than the previous
if (totalDenominations > 1) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations - 1].denominationAddress);
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _lastDenominationTAOCurrency.powerOfTen());
}
denominations[totalDenominations].name = denominationName;
denominations[totalDenominations].denominationAddress = denominationAddress;
denominationIndex[denominationName] = totalDenominations;
return true;
}
/**
* @dev The AO updates denomination address or activates/deactivates the denomination
* @param denominationName The name of the denomination, i.e ao, kilo, mega, etc.
* @param denominationAddress The address of the denomination TAOCurrency
* @return true on success
*/
function updateDenomination(bytes8 denominationName, address denominationAddress) public onlyTheAO isValidDenomination(denominationName) returns (bool) {
require (denominationAddress != address(0));
uint256 _denominationNameIndex = denominationIndex[denominationName];
TAOCurrency _newDenominationTAOCurrency = TAOCurrency(denominationAddress);
if (_denominationNameIndex > 1) {
TAOCurrency _prevDenominationTAOCurrency = TAOCurrency(denominations[_denominationNameIndex - 1].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() > _prevDenominationTAOCurrency.powerOfTen());
}
if (_denominationNameIndex < totalDenominations) {
TAOCurrency _lastDenominationTAOCurrency = TAOCurrency(denominations[totalDenominations].denominationAddress);
require (_newDenominationTAOCurrency.powerOfTen() < _lastDenominationTAOCurrency.powerOfTen());
}
denominations[denominationIndex[denominationName]].denominationAddress = denominationAddress;
return true;
}
/***** PUBLIC METHODS *****/
/**
* @dev Check if denomination exist given a name
* @param denominationName The denomination name to check
* @return true if yes. false otherwise
*/
function isDenominationExist(bytes8 denominationName) external view returns (bool) {
return (denominationName.length > 0 &&
denominationName[0] != 0 &&
denominationIndex[denominationName] > 0 &&
denominations[denominationIndex[denominationName]].denominationAddress != address(0)
);
}
/**
* @dev Get denomination info based on name
* @param denominationName The name to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByName(bytes8 denominationName) public isValidDenomination(denominationName) view returns (bytes8, address, string memory, string memory, uint8, uint256) {
TAOCurrency _tc = TAOCurrency(denominations[denominationIndex[denominationName]].denominationAddress);
return (
denominations[denominationIndex[denominationName]].name,
denominations[denominationIndex[denominationName]].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get denomination info by index
* @param index The index to be queried
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getDenominationByIndex(uint256 index) public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (index > 0 && index <= totalDenominations);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
/**
* @dev Get base denomination info
* @return the denomination short name
* @return the denomination address
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function getBaseDenomination() public view returns (bytes8, address, string memory, string memory, uint8, uint256) {
require (totalDenominations > 0);
return getDenominationByIndex(1);
}
/**
* @dev convert TAOCurrency from `denominationName` denomination to base denomination,
* in this case it's similar to web3.toWei() functionality
*
* Example:
* 9.1 Kilo should be entered as 9 integerAmount and 100 fractionAmount
* 9.02 Kilo should be entered as 9 integerAmount and 20 fractionAmount
* 9.001 Kilo should be entered as 9 integerAmount and 1 fractionAmount
*
* @param integerAmount uint256 of the integer amount to be converted
* @param fractionAmount uint256 of the frational amount to be converted
* @param denominationName bytes8 name of the TAOCurrency denomination
* @return uint256 converted amount in base denomination from target denomination
*/
function toBase(uint256 integerAmount, uint256 fractionAmount, bytes8 denominationName) external view returns (uint256) {
uint256 _fractionAmount = fractionAmount;
if (this.isDenominationExist(denominationName) && (integerAmount > 0 || _fractionAmount > 0)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint8 fractionNumDigits = AOLibrary.numDigits(_fractionAmount);
require (fractionNumDigits <= _denominationTAOCurrency.decimals());
uint256 baseInteger = integerAmount.mul(10 ** _denominationTAOCurrency.powerOfTen());
if (_denominationTAOCurrency.decimals() == 0) {
_fractionAmount = 0;
}
return baseInteger.add(_fractionAmount);
} else {
return 0;
}
}
/**
* @dev convert TAOCurrency from base denomination to `denominationName` denomination,
* in this case it's similar to web3.fromWei() functionality
* @param integerAmount uint256 of the base amount to be converted
* @param denominationName bytes8 name of the target TAOCurrency denomination
* @return uint256 of the converted integer amount in target denomination
* @return uint256 of the converted fraction amount in target denomination
*/
function fromBase(uint256 integerAmount, bytes8 denominationName) public view returns (uint256, uint256) {
if (this.isDenominationExist(denominationName)) {
Denomination memory _denomination = denominations[denominationIndex[denominationName]];
TAOCurrency _denominationTAOCurrency = TAOCurrency(_denomination.denominationAddress);
uint256 denominationInteger = integerAmount.div(10 ** _denominationTAOCurrency.powerOfTen());
uint256 denominationFraction = integerAmount.sub(denominationInteger.mul(10 ** _denominationTAOCurrency.powerOfTen()));
return (denominationInteger, denominationFraction);
} else {
return (0, 0);
}
}
/**
* @dev exchange `amount` TAOCurrency from `fromDenominationName` denomination to TAOCurrency in `toDenominationName` denomination
* @param amount The amount of TAOCurrency to exchange
* @param fromDenominationName The origin denomination
* @param toDenominationName The target denomination
*/
function exchangeDenomination(uint256 amount, bytes8 fromDenominationName, bytes8 toDenominationName) public isValidDenomination(fromDenominationName) isValidDenomination(toDenominationName) {
address _nameId = _nameFactory.ethAddressToNameId(msg.sender);
require (_nameId != address(0));
require (amount > 0);
Denomination memory _fromDenomination = denominations[denominationIndex[fromDenominationName]];
Denomination memory _toDenomination = denominations[denominationIndex[toDenominationName]];
TAOCurrency _fromDenominationCurrency = TAOCurrency(_fromDenomination.denominationAddress);
TAOCurrency _toDenominationCurrency = TAOCurrency(_toDenomination.denominationAddress);
require (_fromDenominationCurrency.whitelistBurnFrom(_nameId, amount));
require (_toDenominationCurrency.mint(_nameId, amount));
// Store the DenominationExchange information
totalDenominationExchanges++;
bytes32 _exchangeId = keccak256(abi.encodePacked(this, _nameId, totalDenominationExchanges));
denominationExchangeIdLookup[_exchangeId] = totalDenominationExchanges;
DenominationExchange storage _denominationExchange = denominationExchanges[totalDenominationExchanges];
_denominationExchange.exchangeId = _exchangeId;
_denominationExchange.nameId = _nameId;
_denominationExchange.fromDenominationAddress = _fromDenomination.denominationAddress;
_denominationExchange.toDenominationAddress = _toDenomination.denominationAddress;
_denominationExchange.amount = amount;
emit ExchangeDenomination(_nameId, _exchangeId, amount, _fromDenomination.denominationAddress, TAOCurrency(_fromDenomination.denominationAddress).symbol(), _toDenomination.denominationAddress, TAOCurrency(_toDenomination.denominationAddress).symbol());
}
/**
* @dev Get DenominationExchange information given an exchange ID
* @param _exchangeId The exchange ID to query
* @return The name ID that performed the exchange
* @return The from denomination address
* @return The to denomination address
* @return The from denomination symbol
* @return The to denomination symbol
* @return The amount exchanged
*/
function getDenominationExchangeById(bytes32 _exchangeId) public view returns (address, address, address, string memory, string memory, uint256) {
require (denominationExchangeIdLookup[_exchangeId] > 0);
DenominationExchange memory _denominationExchange = denominationExchanges[denominationExchangeIdLookup[_exchangeId]];
return (
_denominationExchange.nameId,
_denominationExchange.fromDenominationAddress,
_denominationExchange.toDenominationAddress,
TAOCurrency(_denominationExchange.fromDenominationAddress).symbol(),
TAOCurrency(_denominationExchange.toDenominationAddress).symbol(),
_denominationExchange.amount
);
}
/**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/
function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
} | /**
* @title TAOCurrency
*
* The purpose of this contract is to list all of the valid denominations of TAOCurrency and do the conversion between denominations
*/ | NatSpecMultiLine | toHighestDenomination | function toHighestDenomination(uint256 amount) public view returns (bytes8, address, uint256, uint256, string memory, string memory, uint8, uint256) {
uint256 integerAmount;
uint256 fractionAmount;
uint256 index;
for (uint256 i=totalDenominations; i>0; i--) {
Denomination memory _denomination = denominations[i];
(integerAmount, fractionAmount) = fromBase(amount, _denomination.name);
if (integerAmount > 0) {
index = i;
break;
}
}
require (index > 0 && index <= totalDenominations);
require (integerAmount > 0 || fractionAmount > 0);
require (denominations[index].denominationAddress != address(0));
TAOCurrency _tc = TAOCurrency(denominations[index].denominationAddress);
return (
denominations[index].name,
denominations[index].denominationAddress,
integerAmount,
fractionAmount,
_tc.name(),
_tc.symbol(),
_tc.decimals(),
_tc.powerOfTen()
);
}
| /**
* @dev Return the highest possible denomination given a base amount
* @param amount The amount to be converted
* @return the denomination short name
* @return the denomination address
* @return the integer amount at the denomination level
* @return the fraction amount at the denomination level
* @return the denomination public name
* @return the denomination symbol
* @return the denomination num of decimals
* @return the denomination multiplier (power of ten)
*/ | NatSpecMultiLine | v0.5.4+commit.9549d8ff | bzzr://496901032a19caeb4d26f311db54bc2fd70eeea1baa2b4c01aa68b1693bcc093 | {
"func_code_index": [
15148,
16090
]
} | 12,571 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | Ownable | contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
} | /**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/ | NatSpecMultiLine | Ownable | function Ownable() public {
owner = msg.sender;
}
| /**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
261,
321
]
} | 12,572 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | Ownable | contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
} | /**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/ | NatSpecMultiLine | transferOwnership | function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
| /**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
640,
821
]
} | 12,573 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | Pausable | contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
} | /**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/ | NatSpecMultiLine | pause | function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
| /**
* @dev called by the owner to pause, triggers stopped state
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
513,
609
]
} | 12,574 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | Pausable | contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
} | /**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/ | NatSpecMultiLine | unpause | function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
| /**
* @dev called by the owner to unpause, returns to normal state
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
693,
791
]
} | 12,575 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | mul | function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
| /**
* @dev Multiplies two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
89,
266
]
} | 12,576 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
| /**
* @dev Integer division of two numbers, truncating the quotient.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
350,
630
]
} | 12,577 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
| /**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
744,
860
]
} | 12,578 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/ | NatSpecMultiLine | add | function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
| /**
* @dev Adds two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
924,
1054
]
} | 12,579 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | BasicToken | contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
} | /**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/ | NatSpecMultiLine | totalSupply | function totalSupply() public view returns (uint256) {
return totalSupply_;
}
| /**
* @dev total number of tokens in existence
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
199,
287
]
} | 12,580 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | BasicToken | contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
} | /**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/ | NatSpecMultiLine | transfer | function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
| /**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
445,
777
]
} | 12,581 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | BasicToken | contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
} | /**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
| /**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
983,
1087
]
} | 12,582 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | StandardToken | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | transferFrom | function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
| /**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
401,
858
]
} | 12,583 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | StandardToken | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | approve | function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
| /**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
1490,
1685
]
} | 12,584 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | StandardToken | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | allowance | function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
| /**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
2009,
2140
]
} | 12,585 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | StandardToken | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | increaseApproval | function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
| /**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
2606,
2875
]
} | 12,586 |
|
WestrendCoin | WestrendCoin.sol | 0x2b98ee45a3b692c399332d00af719cf17a82a0ca | Solidity | StandardToken | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} | /**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/ | NatSpecMultiLine | decreaseApproval | function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
| /**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://7bbb48320b183ec395c4ccf0b5eb2a4210a06f660ab4bbbe93fc0050de5f41a4 | {
"func_code_index": [
3346,
3761
]
} | 12,587 |
|
NFT | contracts/Nft.sol | 0xcabf0ecc15942e2de60f3824b83d0e24dd274b57 | Solidity | NFT | contract NFT is ERC721Tradable {
string baseURI = "https://us-central1-trophee-support-prod.cloudfunctions.net/v3/";
constructor(address _proxyRegistryAddress)
ERC721Tradable("TropheeCollection", "TPC", _proxyRegistryAddress)
{}
/// @dev Assigns a new address to act as the base URI. Only available to the current Owner.
/// @param _baseURI The address of the new base URI
function setBaseURI(string memory _baseURI) external onlyOwner {
baseURI = _baseURI;
}
function baseTokenURI() override public view returns (string memory) {
return baseURI;
}
function contractURI() public pure returns (string memory) {
return "https://us-central1-trophee-support-prod.cloudfunctions.net/v3/contract";
}
} | /**
* @title Creature
* Creature - a contract for my non-fungible creatures.
*/ | NatSpecMultiLine | setBaseURI | function setBaseURI(string memory _baseURI) external onlyOwner {
baseURI = _baseURI;
}
| /// @dev Assigns a new address to act as the base URI. Only available to the current Owner.
/// @param _baseURI The address of the new base URI | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | MIT | ipfs://224a73f41a4908869c0dc5ecce7d7719876732740935e9927c62f1c5ea63ea29 | {
"func_code_index": [
416,
521
]
} | 12,588 |
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | initialize | function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
| // called once by the factory at time of deployment | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
2077,
2292
]
} | 12,589 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | _update | function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
| // update reserves and, on the first call per block, price accumulators | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
2372,
3237
]
} | 12,590 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | _mintFee | function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
| // if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k) | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
3322,
4164
]
} | 12,591 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | mint | function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
| // this low-level function should be called from a contract which performs important safety checks | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
4271,
5516
]
} | 12,592 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | burn | function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
| // this low-level function should be called from a contract which performs important safety checks | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
5623,
7094
]
} | 12,593 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | swap | function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
| // this low-level function should be called from a contract which performs important safety checks | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
7201,
9095
]
} | 12,594 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | skim | function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
| // force balances to match reserves | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
9139,
9478
]
} | 12,595 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UniswapV2Pair | contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | sync | function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
| // force reserves to match balances | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
9522,
9685
]
} | 12,596 |
||
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | Math | library Math {
function min(uint x, uint y) internal pure returns (uint z) {
z = x < y ? x : y;
}
// babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method)
function sqrt(uint y) internal pure returns (uint z) {
if (y > 3) {
z = y;
uint x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
} | // a library for performing various math operations | LineComment | sqrt | function sqrt(uint y) internal pure returns (uint z) {
if (y > 3) {
z = y;
uint x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
| // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
230,
538
]
} | 12,597 |
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UQ112x112 | library UQ112x112 {
uint224 constant Q112 = 2**112;
// encode a uint112 as a UQ112x112
function encode(uint112 y) internal pure returns (uint224 z) {
z = uint224(y) * Q112; // never overflows
}
// divide a UQ112x112 by a uint112, returning a UQ112x112
function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {
z = x / uint224(y);
}
} | // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))
// range: [0, 2**112 - 1]
// resolution: 1 / 2**112 | LineComment | encode | function encode(uint112 y) internal pure returns (uint224 z) {
z = uint224(y) * Q112; // never overflows
}
| // encode a uint112 as a UQ112x112 | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
100,
225
]
} | 12,598 |
GoodSwapV2Factory | GoodSwapV2Factory.sol | 0x814921537e9373388f0cb43c2366ca56a8c47a1a | Solidity | UQ112x112 | library UQ112x112 {
uint224 constant Q112 = 2**112;
// encode a uint112 as a UQ112x112
function encode(uint112 y) internal pure returns (uint224 z) {
z = uint224(y) * Q112; // never overflows
}
// divide a UQ112x112 by a uint112, returning a UQ112x112
function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {
z = x / uint224(y);
}
} | // a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))
// range: [0, 2**112 - 1]
// resolution: 1 / 2**112 | LineComment | uqdiv | function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {
z = x / uint224(y);
}
| // divide a UQ112x112 by a uint112, returning a UQ112x112 | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e58929ee5a1d24f267793bd1b5f5a5a95a356bcbf2bd126a99f19e4191fd38ac | {
"func_code_index": [
291,
404
]
} | 12,599 |
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