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TokenERC20 | TokenERC20.sol | 0x5684e0bb4798fe5bbe6e0a26254567863fba223b | Solidity | Kahawanu | contract Kahawanu is owned, TokenERC20 {
uint256 public sellPrice;
uint256 public buyPrice;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
emit Transfer(_from, _to, _value);
}
/// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value / buyPrice; // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
address myAddress = this;
require(myAddress.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | /******************************************/ | NatSpecMultiLine | mintToken | function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
| /// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://1a1aceaf2eea1ae268618c36cf9ced606eac1e6a6bf796356d6c2c9fe11ab064 | {
"func_code_index": [
1575,
1843
]
} | 59,961 |
|
TokenERC20 | TokenERC20.sol | 0x5684e0bb4798fe5bbe6e0a26254567863fba223b | Solidity | Kahawanu | contract Kahawanu is owned, TokenERC20 {
uint256 public sellPrice;
uint256 public buyPrice;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
emit Transfer(_from, _to, _value);
}
/// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value / buyPrice; // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
address myAddress = this;
require(myAddress.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | /******************************************/ | NatSpecMultiLine | freezeAccount | function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
| /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://1a1aceaf2eea1ae268618c36cf9ced606eac1e6a6bf796356d6c2c9fe11ab064 | {
"func_code_index": [
2018,
2184
]
} | 59,962 |
|
TokenERC20 | TokenERC20.sol | 0x5684e0bb4798fe5bbe6e0a26254567863fba223b | Solidity | Kahawanu | contract Kahawanu is owned, TokenERC20 {
uint256 public sellPrice;
uint256 public buyPrice;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
emit Transfer(_from, _to, _value);
}
/// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value / buyPrice; // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
address myAddress = this;
require(myAddress.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | /******************************************/ | NatSpecMultiLine | setPrices | function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
| /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://1a1aceaf2eea1ae268618c36cf9ced606eac1e6a6bf796356d6c2c9fe11ab064 | {
"func_code_index": [
2421,
2581
]
} | 59,963 |
|
TokenERC20 | TokenERC20.sol | 0x5684e0bb4798fe5bbe6e0a26254567863fba223b | Solidity | Kahawanu | contract Kahawanu is owned, TokenERC20 {
uint256 public sellPrice;
uint256 public buyPrice;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
emit Transfer(_from, _to, _value);
}
/// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value / buyPrice; // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
address myAddress = this;
require(myAddress.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | /******************************************/ | NatSpecMultiLine | buy | function buy() payable public {
uint amount = msg.value / buyPrice; // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
| /// @notice Buy tokens from contract by sending ether | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://1a1aceaf2eea1ae268618c36cf9ced606eac1e6a6bf796356d6c2c9fe11ab064 | {
"func_code_index": [
2637,
2846
]
} | 59,964 |
|
TokenERC20 | TokenERC20.sol | 0x5684e0bb4798fe5bbe6e0a26254567863fba223b | Solidity | Kahawanu | contract Kahawanu is owned, TokenERC20 {
uint256 public sellPrice;
uint256 public buyPrice;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
emit Transfer(_from, _to, _value);
}
/// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive
function mintToken(address target, uint256 mintedAmount) onlyOwner public {
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
emit Transfer(0, this, mintedAmount);
emit Transfer(this, target, mintedAmount);
}
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
/// @param newSellPrice Price the users can sell to the contract
/// @param newBuyPrice Price users can buy from the contract
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
sellPrice = newSellPrice;
buyPrice = newBuyPrice;
}
/// @notice Buy tokens from contract by sending ether
function buy() payable public {
uint amount = msg.value / buyPrice; // calculates the amount
_transfer(this, msg.sender, amount); // makes the transfers
}
/// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold
function sell(uint256 amount) public {
address myAddress = this;
require(myAddress.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
} | /******************************************/ | NatSpecMultiLine | sell | function sell(uint256 amount) public {
address myAddress = this;
require(myAddress.balance >= amount * sellPrice); // checks if the contract has enough ether to buy
_transfer(msg.sender, this, amount); // makes the transfers
msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks
}
| /// @notice Sell `amount` tokens to contract
/// @param amount amount of tokens to be sold | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://1a1aceaf2eea1ae268618c36cf9ced606eac1e6a6bf796356d6c2c9fe11ab064 | {
"func_code_index": [
2944,
3372
]
} | 59,965 |
|
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | ERC20CompatibleToken | contract ERC20CompatibleToken is owned {
using SafeMath for uint;
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping(address => uint) balances; // List of user balances.
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint256 value);
mapping (address => mapping (address => uint256)) internal allowed;
mapping (address => bool) public frozenAccount;
/**
* Constrctor 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
balances[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
}
/**
* @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) {
uint codeLength;
bytes memory empty;
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(_from, _value, empty);
}
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.
*
* @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];
}
/**
* 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
*/
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;
}
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;
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | transferFrom | function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
uint codeLength;
bytes memory empty;
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(_from, _value, empty);
}
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://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
1513,
2504
]
} | 59,966 |
|||
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | ERC20CompatibleToken | contract ERC20CompatibleToken is owned {
using SafeMath for uint;
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping(address => uint) balances; // List of user balances.
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint256 value);
mapping (address => mapping (address => uint256)) internal allowed;
mapping (address => bool) public frozenAccount;
/**
* Constrctor 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
balances[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
}
/**
* @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) {
uint codeLength;
bytes memory empty;
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(_from, _value, empty);
}
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.
*
* @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];
}
/**
* 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
*/
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;
}
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;
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | 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.
*
* @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://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
2746,
2941
]
} | 59,967 |
|||
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | ERC20CompatibleToken | contract ERC20CompatibleToken is owned {
using SafeMath for uint;
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping(address => uint) balances; // List of user balances.
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint256 value);
mapping (address => mapping (address => uint256)) internal allowed;
mapping (address => bool) public frozenAccount;
/**
* Constrctor 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
balances[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
}
/**
* @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) {
uint codeLength;
bytes memory empty;
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(_from, _value, empty);
}
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.
*
* @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];
}
/**
* 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
*/
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;
}
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;
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | 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://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
3265,
3396
]
} | 59,968 |
|||
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | ERC20CompatibleToken | contract ERC20CompatibleToken is owned {
using SafeMath for uint;
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping(address => uint) balances; // List of user balances.
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint256 value);
mapping (address => mapping (address => uint256)) internal allowed;
mapping (address => bool) public frozenAccount;
/**
* Constrctor 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
balances[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
}
/**
* @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) {
uint codeLength;
bytes memory empty;
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(_from, _value, empty);
}
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.
*
* @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];
}
/**
* 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
*/
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;
}
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;
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | 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;
}
| /**
* 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
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
3641,
3910
]
} | 59,969 |
|||
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | ERC20CompatibleToken | contract ERC20CompatibleToken is owned {
using SafeMath for uint;
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping(address => uint) balances; // List of user balances.
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint256 value);
mapping (address => mapping (address => uint256)) internal allowed;
mapping (address => bool) public frozenAccount;
/**
* Constrctor 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
balances[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
}
/**
* @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) {
uint codeLength;
bytes memory empty;
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(_from, _value, empty);
}
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.
*
* @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];
}
/**
* 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
*/
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;
}
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;
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
} | freezeAccount | function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
| /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
4638,
4796
]
} | 59,970 |
|||
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | VMembersCoin | contract VMembersCoin is owned, ERC223Interface, ERC20CompatibleToken {
using SafeMath for uint;
mapping (address => bool) public frozenAccount;
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) ERC20CompatibleToken(initialSupply, tokenName, tokenSymbol) public {}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* Invokes the `tokenFallback` function if the recipient is a contract.
* The token transfer fails if the recipient is a contract
* but does not implement the `tokenFallback` function
* or the fallback function to receive funds.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
* @param _data Transaction metadata.
*/
function transfer(address _to, uint _value, bytes _data) public {
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
uint codeLength;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* This function works the same with the previous one
* but doesn't contain `_data` param.
* Added due to backwards compatibility reasons.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
*/
function transfer(address _to, uint _value) public {
uint codeLength;
bytes memory empty;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, empty);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Returns balance of the `_owner`.
*
* @param _owner The address whose balance will be returned.
* @return balance Balance of the `_owner`.
*/
function balanceOf(address _owner) public constant returns (uint balance) {
return balances[_owner];
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
return ;
}
} | /**
* @title VMembers Coin Main Contract
* @dev Reference implementation of the ERC223 standard token.
*/ | NatSpecMultiLine | transfer | function transfer(address _to, uint _value, bytes _data) public {
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
uint codeLength;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
| /**
* @dev Transfer the specified amount of tokens to the specified address.
* Invokes the `tokenFallback` function if the recipient is a contract.
* The token transfer fails if the recipient is a contract
* but does not implement the `tokenFallback` function
* or the fallback function to receive funds.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
* @param _data Transaction metadata.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
974,
1942
]
} | 59,971 |
|
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | VMembersCoin | contract VMembersCoin is owned, ERC223Interface, ERC20CompatibleToken {
using SafeMath for uint;
mapping (address => bool) public frozenAccount;
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) ERC20CompatibleToken(initialSupply, tokenName, tokenSymbol) public {}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* Invokes the `tokenFallback` function if the recipient is a contract.
* The token transfer fails if the recipient is a contract
* but does not implement the `tokenFallback` function
* or the fallback function to receive funds.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
* @param _data Transaction metadata.
*/
function transfer(address _to, uint _value, bytes _data) public {
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
uint codeLength;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* This function works the same with the previous one
* but doesn't contain `_data` param.
* Added due to backwards compatibility reasons.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
*/
function transfer(address _to, uint _value) public {
uint codeLength;
bytes memory empty;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, empty);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Returns balance of the `_owner`.
*
* @param _owner The address whose balance will be returned.
* @return balance Balance of the `_owner`.
*/
function balanceOf(address _owner) public constant returns (uint balance) {
return balances[_owner];
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
return ;
}
} | /**
* @title VMembers Coin Main Contract
* @dev Reference implementation of the ERC223 standard token.
*/ | NatSpecMultiLine | transfer | function transfer(address _to, uint _value) public {
uint codeLength;
bytes memory empty;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, empty);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
| /**
* @dev Transfer the specified amount of tokens to the specified address.
* This function works the same with the previous one
* but doesn't contain `_data` param.
* Added due to backwards compatibility reasons.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
2326,
3170
]
} | 59,972 |
|
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | VMembersCoin | contract VMembersCoin is owned, ERC223Interface, ERC20CompatibleToken {
using SafeMath for uint;
mapping (address => bool) public frozenAccount;
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) ERC20CompatibleToken(initialSupply, tokenName, tokenSymbol) public {}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* Invokes the `tokenFallback` function if the recipient is a contract.
* The token transfer fails if the recipient is a contract
* but does not implement the `tokenFallback` function
* or the fallback function to receive funds.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
* @param _data Transaction metadata.
*/
function transfer(address _to, uint _value, bytes _data) public {
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
uint codeLength;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* This function works the same with the previous one
* but doesn't contain `_data` param.
* Added due to backwards compatibility reasons.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
*/
function transfer(address _to, uint _value) public {
uint codeLength;
bytes memory empty;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, empty);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Returns balance of the `_owner`.
*
* @param _owner The address whose balance will be returned.
* @return balance Balance of the `_owner`.
*/
function balanceOf(address _owner) public constant returns (uint balance) {
return balances[_owner];
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
return ;
}
} | /**
* @title VMembers Coin Main Contract
* @dev Reference implementation of the ERC223 standard token.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address _owner) public constant returns (uint balance) {
return balances[_owner];
}
| /**
* @dev Returns balance of the `_owner`.
*
* @param _owner The address whose balance will be returned.
* @return balance Balance of the `_owner`.
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | bzzr://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
3364,
3485
]
} | 59,973 |
|
VMembersCoin | VMembersCoin.sol | 0xa3afe717038d4e12133d84088754811220af9329 | Solidity | VMembersCoin | contract VMembersCoin is owned, ERC223Interface, ERC20CompatibleToken {
using SafeMath for uint;
mapping (address => bool) public frozenAccount;
/* Initializes contract with initial supply tokens to the creator of the contract */
constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) ERC20CompatibleToken(initialSupply, tokenName, tokenSymbol) public {}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* Invokes the `tokenFallback` function if the recipient is a contract.
* The token transfer fails if the recipient is a contract
* but does not implement the `tokenFallback` function
* or the fallback function to receive funds.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
* @param _data Transaction metadata.
*/
function transfer(address _to, uint _value, bytes _data) public {
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
uint codeLength;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Transfer the specified amount of tokens to the specified address.
* This function works the same with the previous one
* but doesn't contain `_data` param.
* Added due to backwards compatibility reasons.
*
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
*/
function transfer(address _to, uint _value) public {
uint codeLength;
bytes memory empty;
require(!frozenAccount[msg.sender]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
assembly {
// Retrieve the size of the code on target address, this needs assembly .
codeLength := extcodesize(_to)
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
if(codeLength>0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, empty);
}
emit Transfer(msg.sender, _to, _value);
return ;
}
/**
* @dev Returns balance of the `_owner`.
*
* @param _owner The address whose balance will be returned.
* @return balance Balance of the `_owner`.
*/
function balanceOf(address _owner) public constant returns (uint balance) {
return balances[_owner];
}
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
return ;
}
} | /**
* @title VMembers Coin Main Contract
* @dev Reference implementation of the ERC223 standard token.
*/ | NatSpecMultiLine | freezeAccount | function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
return ;
}
| /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not | NatSpecSingleLine | v0.4.24+commit.e67f0147 | bzzr://118ba0d386a2d22bb721f6addb748f35f9575b1924ccb391b3d99bbd4fa1fff9 | {
"func_code_index": [
3805,
3989
]
} | 59,974 |
|
EveryNFT | contracts/EveryNFT.sol | 0x7fe085b3907d7c451d1fc4e831c509024ad1e64a | Solidity | EveryNFT | contract EveryNFT is ERC721, Ownable {
// @dev This defines the struct for a token to read data from a parent contract, and what token to read data from
struct tokenData {
uint256 tokenId;
address contractAddress;
}
// @dev mapping that goes from a tokenId to a
mapping(uint256 => tokenData) public tokenToData;
using Counters for Counters.Counter;
Counters.Counter private _tokenIds;
constructor() ERC721('EveryNFT', 'EVRNFT') {}
// @dev fetches image data from the contract stored && the tokenId stored
function tokenURI(uint256 _tokenId) public view override returns (string memory) {
string memory linkToReturn = ERC721(tokenToData[_tokenId].contractAddress).tokenURI(tokenToData[_tokenId].tokenId);
return linkToReturn;
}
function mintToken(address _contractAddress, uint256 _fraudTokenId) public payable {
require(msg.value >= 0.01 ether, 'Value too low');
(bool sent, bytes memory data) = address(0x807a1752402D21400D555e1CD7f175566088b955).call{value: msg.value}('');
require(sent, 'Failed to send Ether');
_tokenIds.increment();
uint256 tokenId = _tokenIds.current();
_mint(msg.sender, tokenId);
tokenToData[tokenId] = tokenData(_fraudTokenId, _contractAddress);
}
} | tokenURI | function tokenURI(uint256 _tokenId) public view override returns (string memory) {
string memory linkToReturn = ERC721(tokenToData[_tokenId].contractAddress).tokenURI(tokenToData[_tokenId].tokenId);
return linkToReturn;
}
| // @dev fetches image data from the contract stored && the tokenId stored | LineComment | v0.8.6+commit.11564f7e | MIT | {
"func_code_index": [
533,
766
]
} | 59,975 |
|||
HDTGXCPool | @openzeppelin/contracts/token/ERC20/SafeERC20.sol | 0x3cc63313c1241d832e6d6d5c48c0e523589326f7 | Solidity | SafeERC20 | library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves.
// A Solidity high level call has three parts:
// 1. The target address is checked to verify it contains contract code
// 2. The call itself is made, and success asserted
// 3. The return value is decoded, which in turn checks the size of the returned data.
// solhint-disable-next-line max-line-length
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
} | /**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/ | NatSpecMultiLine | callOptionalReturn | function callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves.
// A Solidity high level call has three parts:
// 1. The target address is checked to verify it contains contract code
// 2. The call itself is made, and success asserted
// 3. The return value is decoded, which in turn checks the size of the returned data.
// solhint-disable-next-line max-line-length
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
| /**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | MIT | bzzr://610b98eb2604532beb7237b9bb389fc920639342fd3a8e04c37f1abdca46b79f | {
"func_code_index": [
2127,
3246
]
} | 59,976 |
HDTGXCPool | @openzeppelin/contracts/token/ERC20/SafeERC20.sol | 0x3cc63313c1241d832e6d6d5c48c0e523589326f7 | Solidity | HDTGXCPool | contract HDTGXCPool is HDTTokenWrapper, IRewardDistributionRecipient {
IERC20 public hdt = IERC20(0x1cc945Be7d0D2C852d0096A8b5714b44eD21D5D3);
uint256 public constant DURATION = 7 days;
uint256 public constant startTime = 1600862400; //utc+8 2020-09-23 20:00:00
uint256 public periodFinish = 0;
uint256 public rewardRate = 0;
uint256 public lastUpdateTime;
uint256 public rewardPerTokenStored;
bool private open = true;
mapping(address => uint256) public userRewardPerTokenPaid;
mapping(address => uint256) public rewards; // Unclaimed rewards
event RewardAdded(uint256 reward);
event Staked(address indexed user, uint256 amount);
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event SetOpen(bool _open);
modifier updateReward(address account) {
rewardPerTokenStored = rewardPerToken();
lastUpdateTime = lastTimeRewardApplicable();
if (account != address(0)) {
rewards[account] = earned(account);
userRewardPerTokenPaid[account] = rewardPerTokenStored;
}
_;
}
function lastTimeRewardApplicable() public view returns (uint256) {
return Math.min(block.timestamp, periodFinish);
}
/**
* Calculate the rewards for each token
*/
function rewardPerToken() public view returns (uint256) {
if (totalSupply() == 0) {
return rewardPerTokenStored;
}
return
rewardPerTokenStored.add(
lastTimeRewardApplicable()
.sub(lastUpdateTime)
.mul(rewardRate)
.mul(1e18)
.div(totalSupply())
);
}
function earned(address account) public view returns (uint256) {
return
balanceOf(account)
.mul(rewardPerToken().sub(userRewardPerTokenPaid[account]))
.div(1e18)
.add(rewards[account]);
}
function stake(uint256 amount) public checkOpen checkStart updateReward(msg.sender){
require(amount > 0, "HDT-GXC-POOL: Cannot stake 0");
super.stake(amount);
emit Staked(msg.sender, amount);
}
function withdraw(uint256 amount) public checkStart updateReward(msg.sender){
require(amount > 0, "HDT-GXC-POOL: Cannot withdraw 0");
super.withdraw(amount);
emit Withdrawn(msg.sender, amount);
}
function exit() external {
withdraw(balanceOf(msg.sender));
getReward();
}
function getReward() public checkStart updateReward(msg.sender){
uint256 reward = earned(msg.sender);
if (reward > 0) {
rewards[msg.sender] = 0;
hdt.safeTransfer(msg.sender, reward);
emit RewardPaid(msg.sender, reward);
}
}
modifier checkStart(){
require(block.timestamp > startTime,"HDT-GXC-POOL: Not start");
_;
}
modifier checkOpen() {
require(open, "HDT-GXC-POOL: Pool is closed");
_;
}
function getPeriodFinish() public view returns (uint256) {
return periodFinish;
}
function isOpen() public view returns (bool) {
return open;
}
function setOpen(bool _open) external onlyOwner {
open = _open;
emit SetOpen(_open);
}
function notifyRewardAmount(uint256 reward)
external
onlyRewardDistribution
checkOpen
updateReward(address(0)){
if (block.timestamp > startTime){
if (block.timestamp >= periodFinish) {
uint256 period = block.timestamp.sub(startTime).div(DURATION).add(1);
periodFinish = startTime.add(period.mul(DURATION));
rewardRate = reward.div(periodFinish.sub(block.timestamp));
} else {
uint256 remaining = periodFinish.sub(block.timestamp);
uint256 leftover = remaining.mul(rewardRate);
rewardRate = reward.add(leftover).div(remaining);
}
lastUpdateTime = block.timestamp;
hdt.mint(address(this),reward);
emit RewardAdded(reward);
}else {
rewardRate = reward.div(DURATION);
periodFinish = startTime.add(DURATION);
lastUpdateTime = startTime;
hdt.mint(address(this),reward);
emit RewardAdded(reward);
}
// avoid overflow to lock assets
_checkRewardRate();
}
function _checkRewardRate() internal view returns (uint256) {
return DURATION.mul(rewardRate).mul(1e18);
}
} | /**
* HDT-GXC Pool
*/ | NatSpecMultiLine | rewardPerToken | function rewardPerToken() public view returns (uint256) {
if (totalSupply() == 0) {
return rewardPerTokenStored;
}
return
rewardPerTokenStored.add(
lastTimeRewardApplicable()
.sub(lastUpdateTime)
.mul(rewardRate)
.mul(1e18)
.div(totalSupply())
);
}
| /**
* Calculate the rewards for each token
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | MIT | bzzr://610b98eb2604532beb7237b9bb389fc920639342fd3a8e04c37f1abdca46b79f | {
"func_code_index": [
1392,
1817
]
} | 59,977 |
TAMAGManager | contracts\TAMAGManager.sol | 0x0e832a32a16a24de81becfc9bc66418665e1671b | Solidity | TAMAGManager | contract TAMAGManager is MyOwnable, CHIUser{
address public signerAddress;
OldTAMAG public oldTamag;
ITAMAG2 public newTamag;
constructor(address _signerAddress, address owner, address _oldTamag, address _newTamag, address _chi) public MyOwnable(owner) CHIUser(_chi){
signerAddress = _signerAddress;
oldTamag = OldTAMAG(_oldTamag);
newTamag = ITAMAG2(_newTamag);
}
function setOldTamagContract(address a) public onlyOwner{
oldTamag = OldTAMAG(a);
}
function setNewTamagContract(address a) public onlyOwner{
newTamag = ITAMAG2(a);
}
function setSignerAddress(address a) public onlyOwner {
signerAddress = a;
}
modifier isTamagOwner(uint256 tamagId) {
require(newTamag.ownerOf(tamagId) == _msgSender(), "Caller must be tamag owner");
_;
}
// includes using a new tokenUri for the new gif style
function upgradeOldTamag(uint256 oldTamagId, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI {
require(oldTamag.ownerOf(oldTamagId) == _msgSender());
// oldTamagContract.safeTransferFrom(_msgSender(), address(this), oldTamagId);
// transfer traits, id, nounce,
uint256 oldTraits = oldTamag.getTrait(oldTamagId);
uint256 oldNounce = oldTamag.idToNounce(oldTamagId);
newTamag.managerMint(_msgSender(), oldTamagId, oldNounce + 1);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked("V2UPGRADE_",oldNounce,"_",oldTamagId,"_",tokenURI)));
verify(hashInSignature, v,r,s);
newTamag.managerSetTraitAndURI(oldTamagId, oldTraits, tokenURI);
oldTamag.burn(oldTamagId);
}
// assumes hash is always 32 bytes long as it is a keccak output
function prefixed(bytes32 myHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", myHash));
}
function verify(bytes32 hashInSignature, uint8 v, bytes32 r, bytes32 s) internal {
address signer = ecrecover(hashInSignature, v, r, s);
require(signer == signerAddress, "Error signer");
}
// requires both owner and dev to participate in this;
function setMetadataByUser(uint256 tamagId, uint256 newTraits, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId){
uint256 currNounce = newTamag.getAndIncrementNounce(tamagId);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked(currNounce,"_",newTraits,"_",tamagId,"_",tokenURI)));
verify(hashInSignature,v,r,s);
newTamag.managerSetTraitAndURI(tamagId, newTraits, tokenURI);
}
function switchEquip(uint256 tamagId, uint256 oldEquipId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.unequipNoChangeGif(_msgSender(), tamagId, oldEquipId, slot);
equip(tamagId, equipId, slot, tokenURI, v, r, s);
}
function makeURIChange(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) internal {
uint256 currNounce = newTamag.getAndIncrementNounce(tamagId);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked(currNounce,"_",tamagId,"_",equipId,"_",slot,"_",tokenURI)));
verify(hashInSignature,v,r,s);
newTamag.managerSetTokenURI(tamagId, tokenURI);
}
function equip(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.equipNoChangeGif(_msgSender(), tamagId, equipId, slot);
makeURIChange(tamagId, equipId, slot, tokenURI, v,r,s);
}
function unequip(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.unequipNoChangeGif(_msgSender(), tamagId, equipId, slot);
makeURIChange(tamagId, equipId, slot, tokenURI, v,r,s);
}
function close() public onlyOwner {
address payable p = payable(owner());
selfdestruct(p);
}
} | // manage metadata changes and upgrades to v2 and minting new v2 | LineComment | upgradeOldTamag | function upgradeOldTamag(uint256 oldTamagId, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI {
require(oldTamag.ownerOf(oldTamagId) == _msgSender());
// oldTamagContract.safeTransferFrom(_msgSender(), address(this), oldTamagId);
// transfer traits, id, nounce,
uint256 oldTraits = oldTamag.getTrait(oldTamagId);
uint256 oldNounce = oldTamag.idToNounce(oldTamagId);
newTamag.managerMint(_msgSender(), oldTamagId, oldNounce + 1);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked("V2UPGRADE_",oldNounce,"_",oldTamagId,"_",tokenURI)));
verify(hashInSignature, v,r,s);
newTamag.managerSetTraitAndURI(oldTamagId, oldTraits, tokenURI);
oldTamag.burn(oldTamagId);
}
| // includes using a new tokenUri for the new gif style | LineComment | v0.6.12+commit.27d51765 | None | ipfs://b0a6add86260c6c53c0d80f6424ece0f92e04478558c11c2e23deddfc8043651 | {
"func_code_index": [
942,
1746
]
} | 59,978 |
TAMAGManager | contracts\TAMAGManager.sol | 0x0e832a32a16a24de81becfc9bc66418665e1671b | Solidity | TAMAGManager | contract TAMAGManager is MyOwnable, CHIUser{
address public signerAddress;
OldTAMAG public oldTamag;
ITAMAG2 public newTamag;
constructor(address _signerAddress, address owner, address _oldTamag, address _newTamag, address _chi) public MyOwnable(owner) CHIUser(_chi){
signerAddress = _signerAddress;
oldTamag = OldTAMAG(_oldTamag);
newTamag = ITAMAG2(_newTamag);
}
function setOldTamagContract(address a) public onlyOwner{
oldTamag = OldTAMAG(a);
}
function setNewTamagContract(address a) public onlyOwner{
newTamag = ITAMAG2(a);
}
function setSignerAddress(address a) public onlyOwner {
signerAddress = a;
}
modifier isTamagOwner(uint256 tamagId) {
require(newTamag.ownerOf(tamagId) == _msgSender(), "Caller must be tamag owner");
_;
}
// includes using a new tokenUri for the new gif style
function upgradeOldTamag(uint256 oldTamagId, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI {
require(oldTamag.ownerOf(oldTamagId) == _msgSender());
// oldTamagContract.safeTransferFrom(_msgSender(), address(this), oldTamagId);
// transfer traits, id, nounce,
uint256 oldTraits = oldTamag.getTrait(oldTamagId);
uint256 oldNounce = oldTamag.idToNounce(oldTamagId);
newTamag.managerMint(_msgSender(), oldTamagId, oldNounce + 1);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked("V2UPGRADE_",oldNounce,"_",oldTamagId,"_",tokenURI)));
verify(hashInSignature, v,r,s);
newTamag.managerSetTraitAndURI(oldTamagId, oldTraits, tokenURI);
oldTamag.burn(oldTamagId);
}
// assumes hash is always 32 bytes long as it is a keccak output
function prefixed(bytes32 myHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", myHash));
}
function verify(bytes32 hashInSignature, uint8 v, bytes32 r, bytes32 s) internal {
address signer = ecrecover(hashInSignature, v, r, s);
require(signer == signerAddress, "Error signer");
}
// requires both owner and dev to participate in this;
function setMetadataByUser(uint256 tamagId, uint256 newTraits, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId){
uint256 currNounce = newTamag.getAndIncrementNounce(tamagId);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked(currNounce,"_",newTraits,"_",tamagId,"_",tokenURI)));
verify(hashInSignature,v,r,s);
newTamag.managerSetTraitAndURI(tamagId, newTraits, tokenURI);
}
function switchEquip(uint256 tamagId, uint256 oldEquipId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.unequipNoChangeGif(_msgSender(), tamagId, oldEquipId, slot);
equip(tamagId, equipId, slot, tokenURI, v, r, s);
}
function makeURIChange(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) internal {
uint256 currNounce = newTamag.getAndIncrementNounce(tamagId);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked(currNounce,"_",tamagId,"_",equipId,"_",slot,"_",tokenURI)));
verify(hashInSignature,v,r,s);
newTamag.managerSetTokenURI(tamagId, tokenURI);
}
function equip(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.equipNoChangeGif(_msgSender(), tamagId, equipId, slot);
makeURIChange(tamagId, equipId, slot, tokenURI, v,r,s);
}
function unequip(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.unequipNoChangeGif(_msgSender(), tamagId, equipId, slot);
makeURIChange(tamagId, equipId, slot, tokenURI, v,r,s);
}
function close() public onlyOwner {
address payable p = payable(owner());
selfdestruct(p);
}
} | // manage metadata changes and upgrades to v2 and minting new v2 | LineComment | prefixed | function prefixed(bytes32 myHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", myHash));
}
| // assumes hash is always 32 bytes long as it is a keccak output | LineComment | v0.6.12+commit.27d51765 | None | ipfs://b0a6add86260c6c53c0d80f6424ece0f92e04478558c11c2e23deddfc8043651 | {
"func_code_index": [
1823,
1991
]
} | 59,979 |
TAMAGManager | contracts\TAMAGManager.sol | 0x0e832a32a16a24de81becfc9bc66418665e1671b | Solidity | TAMAGManager | contract TAMAGManager is MyOwnable, CHIUser{
address public signerAddress;
OldTAMAG public oldTamag;
ITAMAG2 public newTamag;
constructor(address _signerAddress, address owner, address _oldTamag, address _newTamag, address _chi) public MyOwnable(owner) CHIUser(_chi){
signerAddress = _signerAddress;
oldTamag = OldTAMAG(_oldTamag);
newTamag = ITAMAG2(_newTamag);
}
function setOldTamagContract(address a) public onlyOwner{
oldTamag = OldTAMAG(a);
}
function setNewTamagContract(address a) public onlyOwner{
newTamag = ITAMAG2(a);
}
function setSignerAddress(address a) public onlyOwner {
signerAddress = a;
}
modifier isTamagOwner(uint256 tamagId) {
require(newTamag.ownerOf(tamagId) == _msgSender(), "Caller must be tamag owner");
_;
}
// includes using a new tokenUri for the new gif style
function upgradeOldTamag(uint256 oldTamagId, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI {
require(oldTamag.ownerOf(oldTamagId) == _msgSender());
// oldTamagContract.safeTransferFrom(_msgSender(), address(this), oldTamagId);
// transfer traits, id, nounce,
uint256 oldTraits = oldTamag.getTrait(oldTamagId);
uint256 oldNounce = oldTamag.idToNounce(oldTamagId);
newTamag.managerMint(_msgSender(), oldTamagId, oldNounce + 1);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked("V2UPGRADE_",oldNounce,"_",oldTamagId,"_",tokenURI)));
verify(hashInSignature, v,r,s);
newTamag.managerSetTraitAndURI(oldTamagId, oldTraits, tokenURI);
oldTamag.burn(oldTamagId);
}
// assumes hash is always 32 bytes long as it is a keccak output
function prefixed(bytes32 myHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", myHash));
}
function verify(bytes32 hashInSignature, uint8 v, bytes32 r, bytes32 s) internal {
address signer = ecrecover(hashInSignature, v, r, s);
require(signer == signerAddress, "Error signer");
}
// requires both owner and dev to participate in this;
function setMetadataByUser(uint256 tamagId, uint256 newTraits, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId){
uint256 currNounce = newTamag.getAndIncrementNounce(tamagId);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked(currNounce,"_",newTraits,"_",tamagId,"_",tokenURI)));
verify(hashInSignature,v,r,s);
newTamag.managerSetTraitAndURI(tamagId, newTraits, tokenURI);
}
function switchEquip(uint256 tamagId, uint256 oldEquipId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.unequipNoChangeGif(_msgSender(), tamagId, oldEquipId, slot);
equip(tamagId, equipId, slot, tokenURI, v, r, s);
}
function makeURIChange(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) internal {
uint256 currNounce = newTamag.getAndIncrementNounce(tamagId);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked(currNounce,"_",tamagId,"_",equipId,"_",slot,"_",tokenURI)));
verify(hashInSignature,v,r,s);
newTamag.managerSetTokenURI(tamagId, tokenURI);
}
function equip(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.equipNoChangeGif(_msgSender(), tamagId, equipId, slot);
makeURIChange(tamagId, equipId, slot, tokenURI, v,r,s);
}
function unequip(uint256 tamagId, uint256 equipId, uint256 slot, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId) {
newTamag.unequipNoChangeGif(_msgSender(), tamagId, equipId, slot);
makeURIChange(tamagId, equipId, slot, tokenURI, v,r,s);
}
function close() public onlyOwner {
address payable p = payable(owner());
selfdestruct(p);
}
} | // manage metadata changes and upgrades to v2 and minting new v2 | LineComment | setMetadataByUser | function setMetadataByUser(uint256 tamagId, uint256 newTraits, string memory tokenURI, uint8 v, bytes32 r, bytes32 s) public discountCHI isTamagOwner(tamagId){
uint256 currNounce = newTamag.getAndIncrementNounce(tamagId);
bytes32 hashInSignature = prefixed(keccak256(abi.encodePacked(currNounce,"_",newTraits,"_",tamagId,"_",tokenURI)));
verify(hashInSignature,v,r,s);
newTamag.managerSetTraitAndURI(tamagId, newTraits, tokenURI);
}
| // requires both owner and dev to participate in this; | LineComment | v0.6.12+commit.27d51765 | None | ipfs://b0a6add86260c6c53c0d80f6424ece0f92e04478558c11c2e23deddfc8043651 | {
"func_code_index": [
2269,
2747
]
} | 59,980 |
DODOUpCpProxy | contracts/SmartRoute/proxies/DODOUpCpProxy.sol | 0xa3ca30a7d523959fddf7c9800c7121211b559d24 | Solidity | DODOUpCpProxy | contract DODOUpCpProxy is ReentrancyGuard {
using SafeMath for uint256;
using SafeERC20 for IERC20;
// ============ Storage ============
address constant _ETH_ADDRESS_ = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
address public immutable _WETH_;
address public immutable _UPCP_FACTORY_;
fallback() external payable {}
receive() external payable {}
constructor(
address upCpFactory,
address payable weth
) public {
_UPCP_FACTORY_ = upCpFactory;
_WETH_ = weth;
}
//============ UpCrowdPooling Functions (create) ============
function createUpCrowdPooling(
address creator,
address baseToken,
address quoteToken,
uint256 baseInAmount,
uint256[] memory timeLine,
uint256[] memory valueList,
bool isOpenTWAP
) external payable preventReentrant returns (address payable newUpCrowdPooling) {
address _baseToken = baseToken;
address _quoteToken = quoteToken == _ETH_ADDRESS_ ? _WETH_ : quoteToken;
newUpCrowdPooling = IDODOV2(_UPCP_FACTORY_).createCrowdPooling();
IERC20(_baseToken).transferFrom(msg.sender, newUpCrowdPooling, baseInAmount);
newUpCrowdPooling.transfer(msg.value);
IDODOV2(_UPCP_FACTORY_).initCrowdPooling(
newUpCrowdPooling,
creator,
_baseToken,
_quoteToken,
timeLine,
valueList,
isOpenTWAP
);
}
} | /**
* @title DODOUpCpProxy
* @author DODO Breeder
*
* @notice UpCrowdPooling Proxy (temporary)
*/ | NatSpecMultiLine | createUpCrowdPooling | function createUpCrowdPooling(
address creator,
address baseToken,
address quoteToken,
uint256 baseInAmount,
uint256[] memory timeLine,
uint256[] memory valueList,
bool isOpenTWAP
) external payable preventReentrant returns (address payable newUpCrowdPooling) {
address _baseToken = baseToken;
address _quoteToken = quoteToken == _ETH_ADDRESS_ ? _WETH_ : quoteToken;
newUpCrowdPooling = IDODOV2(_UPCP_FACTORY_).createCrowdPooling();
IERC20(_baseToken).transferFrom(msg.sender, newUpCrowdPooling, baseInAmount);
newUpCrowdPooling.transfer(msg.value);
IDODOV2(_UPCP_FACTORY_).initCrowdPooling(
newUpCrowdPooling,
creator,
_baseToken,
_quoteToken,
timeLine,
valueList,
isOpenTWAP
);
}
| //============ UpCrowdPooling Functions (create) ============ | LineComment | v0.6.9+commit.3e3065ac | Apache-2.0 | ipfs://4bdf8b91459c9580676aa1297072956a1b0487b296cb15d2a7635b366455b734 | {
"func_code_index": [
635,
1564
]
} | 59,981 |
TheKingDome | TheKingDome.sol | 0x1777b66396ccfe35192a50837e970649697d57a1 | Solidity | TheKingDome | contract TheKingDome is ERC721Enumerable, Ownable {
using Strings for uint256;
string public baseURI;
string public baseExtension = ".json";
string public notRevealedUri;
uint256 public cost = 0.15 ether;
uint256 public maxSupply = 8888;
uint256 public maxMintAmount = 10;
uint256 public nftPerAddressLimit = 10;
bool public paused = true;
bool public revealed = false;
bool public onlyWhitelisted = true;
bool public metadataIsFrozen = false;
mapping(address => bool) public whitelistedAddresses;
mapping(address => uint256) public addressMintedBalance;
constructor(
string memory _name,
string memory _symbol,
string memory _initBaseURI,
string memory _initNotRevealedUri
) ERC721(_name, _symbol) {
setBaseURI(_initBaseURI);
setNotRevealedURI(_initNotRevealedUri);
}
// internal
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
// public
function mint(uint256 _mintAmount) public payable {
require(!paused, "The contract is paused");
uint256 supply = totalSupply();
require(_mintAmount > 0, "Need to mint at least 1 NFT");
require(_mintAmount <= maxMintAmount, "Max mint amount per session exceeded");
require(supply + _mintAmount <= maxSupply, "Max NFT limit exceeded");
if (msg.sender != owner()) {
if(onlyWhitelisted == true) {
require(whitelistedAddresses[msg.sender] == true, "User is not whitelisted");
}
uint256 ownerMintedCount = addressMintedBalance[msg.sender];
require(ownerMintedCount + _mintAmount <= nftPerAddressLimit, "Max NFT per address exceeded");
require(msg.value >= cost * _mintAmount, "Insufficient funds");
}
for (uint256 i = 1; i <= _mintAmount; i++) {
addressMintedBalance[msg.sender]++;
_safeMint(msg.sender, supply + i);
}
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory tokenIds = new uint256[](ownerTokenCount);
for (uint256 i; i < ownerTokenCount; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
}
return tokenIds;
}
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
if(revealed == false) {
return notRevealedUri;
}
string memory currentBaseURI = _baseURI();
return bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
: "";
}
//only owner
function reveal() public onlyOwner {
revealed = true;
}
function setNftPerAddressLimit(uint256 _limit) public onlyOwner {
nftPerAddressLimit = _limit;
}
function setCost(uint256 _newCost) public onlyOwner {
cost = _newCost;
}
function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner {
maxMintAmount = _newmaxMintAmount;
}
function setBaseURI(string memory _newBaseURI) public onlyOwner {
require(!metadataIsFrozen, "Metadata is permanently frozen");
baseURI = _newBaseURI;
}
function freezeMetadata() external onlyOwner {
require(!metadataIsFrozen, "Metadata is already frozen");
metadataIsFrozen = true;
}
function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
require(!metadataIsFrozen, "Metadata is permanently frozen");
baseExtension = _newBaseExtension;
}
function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
notRevealedUri = _notRevealedURI;
}
function pause(bool _state) public onlyOwner {
paused = _state;
}
function setOnlyWhitelisted(bool _state) public onlyOwner {
onlyWhitelisted = _state;
}
function initWhitelistUsers(address[] calldata _users) public onlyOwner {
for (uint i = 0; i < _users.length; i++) {
whitelistedAddresses[_users[i]] = true;
}
}
function editWhitelistUsers(address _user, bool _state) public onlyOwner {
whitelistedAddresses[_user] = _state;
}
function withdraw() public payable onlyOwner {
(bool success, ) = payable(owner()).call{value: address(this).balance}("");
require(success);
}
} | _baseURI | function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
| // internal | LineComment | v0.8.7+commit.e28d00a7 | MIT | ipfs://6a39aec3f84fb78b03a56bee448f85423fb72533aa9806ce85e8b288bf3aea39 | {
"func_code_index": [
872,
977
]
} | 59,982 |
||
TheKingDome | TheKingDome.sol | 0x1777b66396ccfe35192a50837e970649697d57a1 | Solidity | TheKingDome | contract TheKingDome is ERC721Enumerable, Ownable {
using Strings for uint256;
string public baseURI;
string public baseExtension = ".json";
string public notRevealedUri;
uint256 public cost = 0.15 ether;
uint256 public maxSupply = 8888;
uint256 public maxMintAmount = 10;
uint256 public nftPerAddressLimit = 10;
bool public paused = true;
bool public revealed = false;
bool public onlyWhitelisted = true;
bool public metadataIsFrozen = false;
mapping(address => bool) public whitelistedAddresses;
mapping(address => uint256) public addressMintedBalance;
constructor(
string memory _name,
string memory _symbol,
string memory _initBaseURI,
string memory _initNotRevealedUri
) ERC721(_name, _symbol) {
setBaseURI(_initBaseURI);
setNotRevealedURI(_initNotRevealedUri);
}
// internal
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
// public
function mint(uint256 _mintAmount) public payable {
require(!paused, "The contract is paused");
uint256 supply = totalSupply();
require(_mintAmount > 0, "Need to mint at least 1 NFT");
require(_mintAmount <= maxMintAmount, "Max mint amount per session exceeded");
require(supply + _mintAmount <= maxSupply, "Max NFT limit exceeded");
if (msg.sender != owner()) {
if(onlyWhitelisted == true) {
require(whitelistedAddresses[msg.sender] == true, "User is not whitelisted");
}
uint256 ownerMintedCount = addressMintedBalance[msg.sender];
require(ownerMintedCount + _mintAmount <= nftPerAddressLimit, "Max NFT per address exceeded");
require(msg.value >= cost * _mintAmount, "Insufficient funds");
}
for (uint256 i = 1; i <= _mintAmount; i++) {
addressMintedBalance[msg.sender]++;
_safeMint(msg.sender, supply + i);
}
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory tokenIds = new uint256[](ownerTokenCount);
for (uint256 i; i < ownerTokenCount; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
}
return tokenIds;
}
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
if(revealed == false) {
return notRevealedUri;
}
string memory currentBaseURI = _baseURI();
return bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
: "";
}
//only owner
function reveal() public onlyOwner {
revealed = true;
}
function setNftPerAddressLimit(uint256 _limit) public onlyOwner {
nftPerAddressLimit = _limit;
}
function setCost(uint256 _newCost) public onlyOwner {
cost = _newCost;
}
function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner {
maxMintAmount = _newmaxMintAmount;
}
function setBaseURI(string memory _newBaseURI) public onlyOwner {
require(!metadataIsFrozen, "Metadata is permanently frozen");
baseURI = _newBaseURI;
}
function freezeMetadata() external onlyOwner {
require(!metadataIsFrozen, "Metadata is already frozen");
metadataIsFrozen = true;
}
function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
require(!metadataIsFrozen, "Metadata is permanently frozen");
baseExtension = _newBaseExtension;
}
function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
notRevealedUri = _notRevealedURI;
}
function pause(bool _state) public onlyOwner {
paused = _state;
}
function setOnlyWhitelisted(bool _state) public onlyOwner {
onlyWhitelisted = _state;
}
function initWhitelistUsers(address[] calldata _users) public onlyOwner {
for (uint i = 0; i < _users.length; i++) {
whitelistedAddresses[_users[i]] = true;
}
}
function editWhitelistUsers(address _user, bool _state) public onlyOwner {
whitelistedAddresses[_user] = _state;
}
function withdraw() public payable onlyOwner {
(bool success, ) = payable(owner()).call{value: address(this).balance}("");
require(success);
}
} | mint | function mint(uint256 _mintAmount) public payable {
require(!paused, "The contract is paused");
uint256 supply = totalSupply();
require(_mintAmount > 0, "Need to mint at least 1 NFT");
require(_mintAmount <= maxMintAmount, "Max mint amount per session exceeded");
require(supply + _mintAmount <= maxSupply, "Max NFT limit exceeded");
if (msg.sender != owner()) {
if(onlyWhitelisted == true) {
require(whitelistedAddresses[msg.sender] == true, "User is not whitelisted");
}
uint256 ownerMintedCount = addressMintedBalance[msg.sender];
require(ownerMintedCount + _mintAmount <= nftPerAddressLimit, "Max NFT per address exceeded");
require(msg.value >= cost * _mintAmount, "Insufficient funds");
}
for (uint256 i = 1; i <= _mintAmount; i++) {
addressMintedBalance[msg.sender]++;
_safeMint(msg.sender, supply + i);
}
}
| // public | LineComment | v0.8.7+commit.e28d00a7 | MIT | ipfs://6a39aec3f84fb78b03a56bee448f85423fb72533aa9806ce85e8b288bf3aea39 | {
"func_code_index": [
993,
1920
]
} | 59,983 |
||
TheKingDome | TheKingDome.sol | 0x1777b66396ccfe35192a50837e970649697d57a1 | Solidity | TheKingDome | contract TheKingDome is ERC721Enumerable, Ownable {
using Strings for uint256;
string public baseURI;
string public baseExtension = ".json";
string public notRevealedUri;
uint256 public cost = 0.15 ether;
uint256 public maxSupply = 8888;
uint256 public maxMintAmount = 10;
uint256 public nftPerAddressLimit = 10;
bool public paused = true;
bool public revealed = false;
bool public onlyWhitelisted = true;
bool public metadataIsFrozen = false;
mapping(address => bool) public whitelistedAddresses;
mapping(address => uint256) public addressMintedBalance;
constructor(
string memory _name,
string memory _symbol,
string memory _initBaseURI,
string memory _initNotRevealedUri
) ERC721(_name, _symbol) {
setBaseURI(_initBaseURI);
setNotRevealedURI(_initNotRevealedUri);
}
// internal
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
// public
function mint(uint256 _mintAmount) public payable {
require(!paused, "The contract is paused");
uint256 supply = totalSupply();
require(_mintAmount > 0, "Need to mint at least 1 NFT");
require(_mintAmount <= maxMintAmount, "Max mint amount per session exceeded");
require(supply + _mintAmount <= maxSupply, "Max NFT limit exceeded");
if (msg.sender != owner()) {
if(onlyWhitelisted == true) {
require(whitelistedAddresses[msg.sender] == true, "User is not whitelisted");
}
uint256 ownerMintedCount = addressMintedBalance[msg.sender];
require(ownerMintedCount + _mintAmount <= nftPerAddressLimit, "Max NFT per address exceeded");
require(msg.value >= cost * _mintAmount, "Insufficient funds");
}
for (uint256 i = 1; i <= _mintAmount; i++) {
addressMintedBalance[msg.sender]++;
_safeMint(msg.sender, supply + i);
}
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory tokenIds = new uint256[](ownerTokenCount);
for (uint256 i; i < ownerTokenCount; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
}
return tokenIds;
}
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
if(revealed == false) {
return notRevealedUri;
}
string memory currentBaseURI = _baseURI();
return bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
: "";
}
//only owner
function reveal() public onlyOwner {
revealed = true;
}
function setNftPerAddressLimit(uint256 _limit) public onlyOwner {
nftPerAddressLimit = _limit;
}
function setCost(uint256 _newCost) public onlyOwner {
cost = _newCost;
}
function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner {
maxMintAmount = _newmaxMintAmount;
}
function setBaseURI(string memory _newBaseURI) public onlyOwner {
require(!metadataIsFrozen, "Metadata is permanently frozen");
baseURI = _newBaseURI;
}
function freezeMetadata() external onlyOwner {
require(!metadataIsFrozen, "Metadata is already frozen");
metadataIsFrozen = true;
}
function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
require(!metadataIsFrozen, "Metadata is permanently frozen");
baseExtension = _newBaseExtension;
}
function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
notRevealedUri = _notRevealedURI;
}
function pause(bool _state) public onlyOwner {
paused = _state;
}
function setOnlyWhitelisted(bool _state) public onlyOwner {
onlyWhitelisted = _state;
}
function initWhitelistUsers(address[] calldata _users) public onlyOwner {
for (uint i = 0; i < _users.length; i++) {
whitelistedAddresses[_users[i]] = true;
}
}
function editWhitelistUsers(address _user, bool _state) public onlyOwner {
whitelistedAddresses[_user] = _state;
}
function withdraw() public payable onlyOwner {
(bool success, ) = payable(owner()).call{value: address(this).balance}("");
require(success);
}
} | reveal | function reveal() public onlyOwner {
revealed = true;
}
| //only owner | LineComment | v0.8.7+commit.e28d00a7 | MIT | ipfs://6a39aec3f84fb78b03a56bee448f85423fb72533aa9806ce85e8b288bf3aea39 | {
"func_code_index": [
2773,
2839
]
} | 59,984 |
||
Pandora | Pandora.sol | 0xf847b0052b9d369401b0d71465f28392ea7e3304 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring '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;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts 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 c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | mul | function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring '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;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
| /**
* @dev Multiplies two numbers, reverts on overflow.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://38ce533b6c2bed44c52dc5c34ab40169bbd6d3af81e4a827aad00ecb33028434 | {
"func_code_index": [
90,
486
]
} | 59,985 |
|||
Pandora | Pandora.sol | 0xf847b0052b9d369401b0d71465f28392ea7e3304 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring '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;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts 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 c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts 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 c;
}
| /**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://38ce533b6c2bed44c52dc5c34ab40169bbd6d3af81e4a827aad00ecb33028434 | {
"func_code_index": [
598,
877
]
} | 59,986 |
|||
Pandora | Pandora.sol | 0xf847b0052b9d369401b0d71465f28392ea7e3304 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring '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;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts 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 c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
| /**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://38ce533b6c2bed44c52dc5c34ab40169bbd6d3af81e4a827aad00ecb33028434 | {
"func_code_index": [
992,
1131
]
} | 59,987 |
|||
Pandora | Pandora.sol | 0xf847b0052b9d369401b0d71465f28392ea7e3304 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring '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;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts 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 c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | add | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
| /**
* @dev Adds two numbers, reverts on overflow.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://38ce533b6c2bed44c52dc5c34ab40169bbd6d3af81e4a827aad00ecb33028434 | {
"func_code_index": [
1196,
1335
]
} | 59,988 |
|||
Pandora | Pandora.sol | 0xf847b0052b9d369401b0d71465f28392ea7e3304 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring '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;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts 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 c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | mod | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
| /**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://38ce533b6c2bed44c52dc5c34ab40169bbd6d3af81e4a827aad00ecb33028434 | {
"func_code_index": [
1470,
1587
]
} | 59,989 |
|||
Cochainwallet | Cochainwallet.sol | 0x0f7675aa40ab66dea5025aa01d5f529d4578c449 | 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 | v0.4.25+commit.59dbf8f1 | bzzr://d251f3cfbe69ddae80e69a4978b06c30d0aeb3680d274e11a995dd76ecf4c21c | {
"func_code_index": [
95,
302
]
} | 59,990 |
|
Cochainwallet | Cochainwallet.sol | 0x0f7675aa40ab66dea5025aa01d5f529d4578c449 | 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 | v0.4.25+commit.59dbf8f1 | bzzr://d251f3cfbe69ddae80e69a4978b06c30d0aeb3680d274e11a995dd76ecf4c21c | {
"func_code_index": [
392,
692
]
} | 59,991 |
|
Cochainwallet | Cochainwallet.sol | 0x0f7675aa40ab66dea5025aa01d5f529d4578c449 | 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 | v0.4.25+commit.59dbf8f1 | bzzr://d251f3cfbe69ddae80e69a4978b06c30d0aeb3680d274e11a995dd76ecf4c21c | {
"func_code_index": [
812,
940
]
} | 59,992 |
|
Cochainwallet | Cochainwallet.sol | 0x0f7675aa40ab66dea5025aa01d5f529d4578c449 | 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 | v0.4.25+commit.59dbf8f1 | bzzr://d251f3cfbe69ddae80e69a4978b06c30d0aeb3680d274e11a995dd76ecf4c21c | {
"func_code_index": [
1010,
1156
]
} | 59,993 |
|
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | totalSupply | function totalSupply() constant returns (uint256 supply) {}
| /// @return total amount of tokens | NatSpecSingleLine | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
60,
124
]
} | 59,994 |
|||
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | balanceOf | function balanceOf(address _owner) constant returns (uint256 balance) {}
| /// @param _owner The address from which the balance will be retrieved
/// @return The balance | NatSpecSingleLine | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
232,
309
]
} | 59,995 |
|||
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | transfer | function transfer(address _to, uint256 _value) returns (bool success) {}
| /// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not | NatSpecSingleLine | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
546,
623
]
} | 59,996 |
|||
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | transferFrom | function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
| /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not | NatSpecSingleLine | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
946,
1042
]
} | 59,997 |
|||
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | approve | function approve(address _spender, uint256 _value) returns (bool success) {}
| /// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not | NatSpecSingleLine | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
1326,
1407
]
} | 59,998 |
|||
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | Token | contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
} | allowance | function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
| /// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent | NatSpecSingleLine | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
1615,
1712
]
} | 59,999 |
|||
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | CopyPasteToken | contract CopyPasteToken is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
/* Public variables of the token */
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It's like comparing 1 wei to 1 ether.
string public symbol; //An identifier: eg SBX
string public version = '1.0'; //human 0.1 standard. Just an arbitrary versioning scheme.
//
// CHANGE THESE VALUES FOR YOUR TOKEN
//
//make sure this function name matches the contract name above. So if you're token is called TutorialToken, make sure the //contract name above is also TutorialToken instead of ERC20Token
function CopyPasteToken(
) {
balances[msg.sender] = 50000000000; // Give the creator all initial tokens (100000 for example)
totalSupply = 50000000000; // Update total supply (100000 for example)
name = "CopyPasteToken"; // Set the name for display purposes
decimals = 2; // Amount of decimals for display purposes
symbol = "CPT"; // Set the symbol for display purposes
}
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
} | //name this contract whatever you'd like | LineComment | CopyPasteToken | function CopyPasteToken(
) {
balances[msg.sender] = 50000000000; // Give the creator all initial tokens (100000 for example)
totalSupply = 50000000000; // Update total supply (100000 for example)
name = "CopyPasteToken"; // Set the name for display purposes
decimals = 2; // Amount of decimals for display purposes
symbol = "CPT"; // Set the symbol for display purposes
}
| //human 0.1 standard. Just an arbitrary versioning scheme.
//
// CHANGE THESE VALUES FOR YOUR TOKEN
//
//make sure this function name matches the contract name above. So if you're token is called TutorialToken, make sure the //contract name above is also TutorialToken instead of ERC20Token | LineComment | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
1162,
1725
]
} | 60,000 |
|
CopyPasteToken | CopyPasteToken.sol | 0xbaa0ff584fe601fd8e4dc3cb4dd09538e896e82f | Solidity | CopyPasteToken | contract CopyPasteToken is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
/* Public variables of the token */
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It's like comparing 1 wei to 1 ether.
string public symbol; //An identifier: eg SBX
string public version = '1.0'; //human 0.1 standard. Just an arbitrary versioning scheme.
//
// CHANGE THESE VALUES FOR YOUR TOKEN
//
//make sure this function name matches the contract name above. So if you're token is called TutorialToken, make sure the //contract name above is also TutorialToken instead of ERC20Token
function CopyPasteToken(
) {
balances[msg.sender] = 50000000000; // Give the creator all initial tokens (100000 for example)
totalSupply = 50000000000; // Update total supply (100000 for example)
name = "CopyPasteToken"; // Set the name for display purposes
decimals = 2; // Amount of decimals for display purposes
symbol = "CPT"; // Set the symbol for display purposes
}
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
} | //name this contract whatever you'd like | LineComment | approveAndCall | function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
| /* Approves and then calls the receiving contract */ | Comment | v0.4.18+commit.9cf6e910 | bzzr://38228c080e9f4f7fc0c814fe7cfd6e955499030bde1709a376430534bbf84574 | {
"func_code_index": [
1786,
2591
]
} | 60,001 |
|
CurveYCRVVoter | CurveYCRVVoter.sol | 0x127585f9779891545d643873f5f67ce864c6e23c | Solidity | CurveYCRVVoter | contract CurveYCRVVoter {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint256;
address constant public want = address(0xdF5e0e81Dff6FAF3A7e52BA697820c5e32D806A8);
address constant public pool = address(0xFA712EE4788C042e2B7BB55E6cb8ec569C4530c1);
address constant public mintr = address(0xd061D61a4d941c39E5453435B6345Dc261C2fcE0);
address constant public crv = address(0xD533a949740bb3306d119CC777fa900bA034cd52);
address constant public escrow = address(0x5f3b5DfEb7B28CDbD7FAba78963EE202a494e2A2);
address public governance;
address public strategy;
constructor() public {
governance = msg.sender;
}
function getName() external pure returns (string memory) {
return "CurveYCRVVoter";
}
function setStrategy(address _strategy) external {
require(msg.sender == governance, "!governance");
strategy = _strategy;
}
function deposit() public {
uint _want = IERC20(want).balanceOf(address(this));
if (_want > 0) {
IERC20(want).safeApprove(pool, 0);
IERC20(want).safeApprove(pool, _want);
Gauge(pool).deposit(_want);
}
}
// Controller only function for creating additional rewards from dust
function withdraw(IERC20 _asset) external returns (uint balance) {
require(msg.sender == strategy, "!controller");
balance = _asset.balanceOf(address(this));
_asset.safeTransfer(strategy, balance);
}
// Withdraw partial funds, normally used with a vault withdrawal
function withdraw(uint _amount) external {
require(msg.sender == strategy, "!controller");
uint _balance = IERC20(want).balanceOf(address(this));
if (_balance < _amount) {
_amount = _withdrawSome(_amount.sub(_balance));
_amount = _amount.add(_balance);
}
IERC20(want).safeTransfer(strategy, _amount);
}
// Withdraw all funds, normally used when migrating strategies
function withdrawAll() external returns (uint balance) {
require(msg.sender == strategy, "!controller");
_withdrawAll();
balance = IERC20(want).balanceOf(address(this));
IERC20(want).safeTransfer(strategy, balance);
}
function _withdrawAll() internal {
Gauge(pool).withdraw(Gauge(pool).balanceOf(address(this)));
}
function createLock(uint _value, uint _unlockTime) external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
IERC20(crv).safeApprove(escrow, 0);
IERC20(crv).safeApprove(escrow, _value);
VoteEscrow(escrow).create_lock(_value, _unlockTime);
}
function increaseAmount(uint _value) external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
IERC20(crv).safeApprove(escrow, 0);
IERC20(crv).safeApprove(escrow, _value);
VoteEscrow(escrow).increase_amount(_value);
}
function release() external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
VoteEscrow(escrow).withdraw();
}
function _withdrawSome(uint256 _amount) internal returns (uint) {
Gauge(pool).withdraw(_amount);
return _amount;
}
function balanceOfWant() public view returns (uint) {
return IERC20(want).balanceOf(address(this));
}
function balanceOfPool() public view returns (uint) {
return Gauge(pool).balanceOf(address(this));
}
function balanceOf() public view returns (uint) {
return balanceOfWant()
.add(balanceOfPool());
}
function setGovernance(address _governance) external {
require(msg.sender == governance, "!governance");
governance = _governance;
}
function execute(address to, uint value, bytes calldata data) external returns (bool, bytes memory) {
require(msg.sender == strategy || msg.sender == governance, "!governance");
(bool success, bytes memory result) = to.call.value(value)(data);
return (success, result);
}
} | withdraw | function withdraw(IERC20 _asset) external returns (uint balance) {
require(msg.sender == strategy, "!controller");
balance = _asset.balanceOf(address(this));
_asset.safeTransfer(strategy, balance);
}
| // Controller only function for creating additional rewards from dust | LineComment | v0.5.17+commit.d19bba13 | MIT | bzzr://e511c039c7095d2b17d9352817adec865e6359f50b03963183433c94a8420d19 | {
"func_code_index": [
1363,
1599
]
} | 60,002 |
||
CurveYCRVVoter | CurveYCRVVoter.sol | 0x127585f9779891545d643873f5f67ce864c6e23c | Solidity | CurveYCRVVoter | contract CurveYCRVVoter {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint256;
address constant public want = address(0xdF5e0e81Dff6FAF3A7e52BA697820c5e32D806A8);
address constant public pool = address(0xFA712EE4788C042e2B7BB55E6cb8ec569C4530c1);
address constant public mintr = address(0xd061D61a4d941c39E5453435B6345Dc261C2fcE0);
address constant public crv = address(0xD533a949740bb3306d119CC777fa900bA034cd52);
address constant public escrow = address(0x5f3b5DfEb7B28CDbD7FAba78963EE202a494e2A2);
address public governance;
address public strategy;
constructor() public {
governance = msg.sender;
}
function getName() external pure returns (string memory) {
return "CurveYCRVVoter";
}
function setStrategy(address _strategy) external {
require(msg.sender == governance, "!governance");
strategy = _strategy;
}
function deposit() public {
uint _want = IERC20(want).balanceOf(address(this));
if (_want > 0) {
IERC20(want).safeApprove(pool, 0);
IERC20(want).safeApprove(pool, _want);
Gauge(pool).deposit(_want);
}
}
// Controller only function for creating additional rewards from dust
function withdraw(IERC20 _asset) external returns (uint balance) {
require(msg.sender == strategy, "!controller");
balance = _asset.balanceOf(address(this));
_asset.safeTransfer(strategy, balance);
}
// Withdraw partial funds, normally used with a vault withdrawal
function withdraw(uint _amount) external {
require(msg.sender == strategy, "!controller");
uint _balance = IERC20(want).balanceOf(address(this));
if (_balance < _amount) {
_amount = _withdrawSome(_amount.sub(_balance));
_amount = _amount.add(_balance);
}
IERC20(want).safeTransfer(strategy, _amount);
}
// Withdraw all funds, normally used when migrating strategies
function withdrawAll() external returns (uint balance) {
require(msg.sender == strategy, "!controller");
_withdrawAll();
balance = IERC20(want).balanceOf(address(this));
IERC20(want).safeTransfer(strategy, balance);
}
function _withdrawAll() internal {
Gauge(pool).withdraw(Gauge(pool).balanceOf(address(this)));
}
function createLock(uint _value, uint _unlockTime) external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
IERC20(crv).safeApprove(escrow, 0);
IERC20(crv).safeApprove(escrow, _value);
VoteEscrow(escrow).create_lock(_value, _unlockTime);
}
function increaseAmount(uint _value) external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
IERC20(crv).safeApprove(escrow, 0);
IERC20(crv).safeApprove(escrow, _value);
VoteEscrow(escrow).increase_amount(_value);
}
function release() external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
VoteEscrow(escrow).withdraw();
}
function _withdrawSome(uint256 _amount) internal returns (uint) {
Gauge(pool).withdraw(_amount);
return _amount;
}
function balanceOfWant() public view returns (uint) {
return IERC20(want).balanceOf(address(this));
}
function balanceOfPool() public view returns (uint) {
return Gauge(pool).balanceOf(address(this));
}
function balanceOf() public view returns (uint) {
return balanceOfWant()
.add(balanceOfPool());
}
function setGovernance(address _governance) external {
require(msg.sender == governance, "!governance");
governance = _governance;
}
function execute(address to, uint value, bytes calldata data) external returns (bool, bytes memory) {
require(msg.sender == strategy || msg.sender == governance, "!governance");
(bool success, bytes memory result) = to.call.value(value)(data);
return (success, result);
}
} | withdraw | function withdraw(uint _amount) external {
require(msg.sender == strategy, "!controller");
uint _balance = IERC20(want).balanceOf(address(this));
if (_balance < _amount) {
_amount = _withdrawSome(_amount.sub(_balance));
_amount = _amount.add(_balance);
}
IERC20(want).safeTransfer(strategy, _amount);
}
| // Withdraw partial funds, normally used with a vault withdrawal | LineComment | v0.5.17+commit.d19bba13 | MIT | bzzr://e511c039c7095d2b17d9352817adec865e6359f50b03963183433c94a8420d19 | {
"func_code_index": [
1676,
2059
]
} | 60,003 |
||
CurveYCRVVoter | CurveYCRVVoter.sol | 0x127585f9779891545d643873f5f67ce864c6e23c | Solidity | CurveYCRVVoter | contract CurveYCRVVoter {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint256;
address constant public want = address(0xdF5e0e81Dff6FAF3A7e52BA697820c5e32D806A8);
address constant public pool = address(0xFA712EE4788C042e2B7BB55E6cb8ec569C4530c1);
address constant public mintr = address(0xd061D61a4d941c39E5453435B6345Dc261C2fcE0);
address constant public crv = address(0xD533a949740bb3306d119CC777fa900bA034cd52);
address constant public escrow = address(0x5f3b5DfEb7B28CDbD7FAba78963EE202a494e2A2);
address public governance;
address public strategy;
constructor() public {
governance = msg.sender;
}
function getName() external pure returns (string memory) {
return "CurveYCRVVoter";
}
function setStrategy(address _strategy) external {
require(msg.sender == governance, "!governance");
strategy = _strategy;
}
function deposit() public {
uint _want = IERC20(want).balanceOf(address(this));
if (_want > 0) {
IERC20(want).safeApprove(pool, 0);
IERC20(want).safeApprove(pool, _want);
Gauge(pool).deposit(_want);
}
}
// Controller only function for creating additional rewards from dust
function withdraw(IERC20 _asset) external returns (uint balance) {
require(msg.sender == strategy, "!controller");
balance = _asset.balanceOf(address(this));
_asset.safeTransfer(strategy, balance);
}
// Withdraw partial funds, normally used with a vault withdrawal
function withdraw(uint _amount) external {
require(msg.sender == strategy, "!controller");
uint _balance = IERC20(want).balanceOf(address(this));
if (_balance < _amount) {
_amount = _withdrawSome(_amount.sub(_balance));
_amount = _amount.add(_balance);
}
IERC20(want).safeTransfer(strategy, _amount);
}
// Withdraw all funds, normally used when migrating strategies
function withdrawAll() external returns (uint balance) {
require(msg.sender == strategy, "!controller");
_withdrawAll();
balance = IERC20(want).balanceOf(address(this));
IERC20(want).safeTransfer(strategy, balance);
}
function _withdrawAll() internal {
Gauge(pool).withdraw(Gauge(pool).balanceOf(address(this)));
}
function createLock(uint _value, uint _unlockTime) external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
IERC20(crv).safeApprove(escrow, 0);
IERC20(crv).safeApprove(escrow, _value);
VoteEscrow(escrow).create_lock(_value, _unlockTime);
}
function increaseAmount(uint _value) external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
IERC20(crv).safeApprove(escrow, 0);
IERC20(crv).safeApprove(escrow, _value);
VoteEscrow(escrow).increase_amount(_value);
}
function release() external {
require(msg.sender == strategy || msg.sender == governance, "!authorized");
VoteEscrow(escrow).withdraw();
}
function _withdrawSome(uint256 _amount) internal returns (uint) {
Gauge(pool).withdraw(_amount);
return _amount;
}
function balanceOfWant() public view returns (uint) {
return IERC20(want).balanceOf(address(this));
}
function balanceOfPool() public view returns (uint) {
return Gauge(pool).balanceOf(address(this));
}
function balanceOf() public view returns (uint) {
return balanceOfWant()
.add(balanceOfPool());
}
function setGovernance(address _governance) external {
require(msg.sender == governance, "!governance");
governance = _governance;
}
function execute(address to, uint value, bytes calldata data) external returns (bool, bytes memory) {
require(msg.sender == strategy || msg.sender == governance, "!governance");
(bool success, bytes memory result) = to.call.value(value)(data);
return (success, result);
}
} | withdrawAll | function withdrawAll() external returns (uint balance) {
require(msg.sender == strategy, "!controller");
_withdrawAll();
balance = IERC20(want).balanceOf(address(this));
IERC20(want).safeTransfer(strategy, balance);
}
| // Withdraw all funds, normally used when migrating strategies | LineComment | v0.5.17+commit.d19bba13 | MIT | bzzr://e511c039c7095d2b17d9352817adec865e6359f50b03963183433c94a8420d19 | {
"func_code_index": [
2134,
2417
]
} | 60,004 |
||
Staking | contracts/Crypto_SignatureVerifier.sol | 0x6476db7cffeebf7cc47ed8d4996d1d60608aaf95 | Solidity | SignatureVerifier | contract SignatureVerifier {
address public signer;
constructor(address _signer) {
require(_signer != address(0), "zero address can not be signer");
signer = _signer;
}
function setSigner(address _signer) internal {
require(_signer != address(0), "zero address can not be signer");
signer = _signer;
emit SetSigner(_signer);
}
// verify returns true if signature by signer matches the hash
function verify(bytes32 messageHash, bytes memory signature)
internal
view
returns (bool)
{
require(signer != address(0), "zero address can not be signer");
bytes32 ethSignedMessageHash = getEthSignedMessageHash(messageHash);
return recoverSigner(ethSignedMessageHash, signature) == signer;
}
function getEthSignedMessageHash(bytes32 messageHash)
internal
pure
returns (bytes32)
{
return
keccak256(
abi.encodePacked(
"\x19Ethereum Signed Message:\n32",
messageHash
)
);
}
function recoverSigner(
bytes32 _ethSignedMessageHash,
bytes memory _signature
) internal pure returns (address) {
(bytes32 r, bytes32 s, uint8 v) = splitSignature(_signature);
require(v == 27 || v == 28, "invalid v value");
require(
uint256(s) <
0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A1,
"invalid s value"
);
return ecrecover(_ethSignedMessageHash, v, r, s);
}
function splitSignature(bytes memory signature)
internal
pure
returns (
bytes32 r,
bytes32 s,
uint8 v
)
{
require(signature.length == 65, "invalid signature length");
assembly {
r := mload(add(signature, 32))
s := mload(add(signature, 64))
v := byte(0, mload(add(signature, 96)))
}
}
event SetSigner(address _signer);
} | /// @custom:security-contact [email protected] | NatSpecSingleLine | verify | function verify(bytes32 messageHash, bytes memory signature)
internal
view
returns (bool)
{
require(signer != address(0), "zero address can not be signer");
bytes32 ethSignedMessageHash = getEthSignedMessageHash(messageHash);
return recoverSigner(ethSignedMessageHash, signature) == signer;
}
| // verify returns true if signature by signer matches the hash | LineComment | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
409,
716
]
} | 60,005 |
||
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @dev Substracts 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) {
uint256 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) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
| /**
* @dev Multiplies two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
89,
272
]
} | 60,006 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @dev Substracts 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) {
uint256 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 c;
}
| /**
* @dev Integer division of two numbers, truncating the quotient.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
356,
629
]
} | 60,007 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @dev Substracts 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) {
uint256 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 Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
744,
860
]
} | 60,008 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @dev Substracts 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) {
uint256 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) {
uint256 c = a + b;
assert(c >= a);
return c;
}
| /**
* @dev Adds two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
924,
1060
]
} | 60,009 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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.
*/
constructor() 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 | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
635,
816
]
} | 60,010 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | BasicToken | contract BasicToken is ERC20Basic, Ownable {
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]);
// SafeMath.sub will throw if there is not enough balance.
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 balance) {
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 | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
207,
295
]
} | 60,011 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | BasicToken | contract BasicToken is ERC20Basic, Ownable {
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]);
// SafeMath.sub will throw if there is not enough balance.
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 balance) {
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]);
// SafeMath.sub will throw if there is not enough balance.
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 | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
455,
850
]
} | 60,012 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | BasicToken | contract BasicToken is ERC20Basic, Ownable {
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]);
// SafeMath.sub will throw if there is not enough balance.
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 balance) {
return balances[_owner];
}
} | /**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address _owner) public view returns (uint256 balance) {
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 | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
1057,
1169
]
} | 60,013 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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 transfered
*/
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.
* @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 Function to revert eth transfers to this contract
*/
function() public payable {
revert();
}
/**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/
function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/
function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
} | /**
* @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 transfered
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
400,
857
]
} | 60,014 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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 transfered
*/
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.
* @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 Function to revert eth transfers to this contract
*/
function() public payable {
revert();
}
/**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/
function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/
function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
} | /**
* @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.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
1093,
1287
]
} | 60,015 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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 transfered
*/
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.
* @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 Function to revert eth transfers to this contract
*/
function() public payable {
revert();
}
/**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/
function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/
function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
} | /**
* @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 | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
1611,
1743
]
} | 60,016 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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 transfered
*/
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.
* @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 Function to revert eth transfers to this contract
*/
function() public payable {
revert();
}
/**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/
function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/
function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
} | /**
* @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 | function() public payable {
revert();
| /**
* @dev Function to revert eth transfers to this contract
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
1831,
1883
]
} | 60,017 |
||
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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 transfered
*/
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.
* @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 Function to revert eth transfers to this contract
*/
function() public payable {
revert();
}
/**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/
function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/
function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
} | /**
* @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 | transferAnyERC20Token | function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
| /**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
1975,
2157
]
} | 60,018 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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 transfered
*/
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.
* @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 Function to revert eth transfers to this contract
*/
function() public payable {
revert();
}
/**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/
function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/
function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
} | /**
* @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 | multiSend | function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
| /**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
2448,
2911
]
} | 60,019 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | 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 transfered
*/
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.
* @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 Function to revert eth transfers to this contract
*/
function() public payable {
revert();
}
/**
* @dev Owner can transfer out any accidentally sent ERC20 tokens
*/
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return BasicToken(tokenAddress).transfer(owner, tokens);
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _toAddresses Receiver addresses.
* @param _amounts Amounts of tokens that will be transferred.
*/
function multiSend(address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transfer(_toAddresses[i], _amounts[i]);
}
}
/**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/
function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
} | /**
* @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 | multiSendFrom | function multiSendFrom(address _from, address[] _toAddresses, uint256[] _amounts) public {
/* Ensures _toAddresses array is less than or equal to 255 */
require(_toAddresses.length <= 255);
/* Ensures _toAddress and _amounts have the same number of entries. */
require(_toAddresses.length == _amounts.length);
for (uint8 i = 0; i < _toAddresses.length; i++) {
transferFrom(_from, _toAddresses[i], _amounts[i]);
}
}
| /**
* @dev Transfer the specified amounts of tokens to the specified addresses from authorized balance of sender.
* @dev Be aware that there is no check for duplicate recipients.
*
* @param _from The address of the sender
* @param _toAddresses The addresses of the recipients (MAX 255)
* @param _amounts The amounts of tokens to be transferred
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
3301,
3794
]
} | 60,020 |
|
MSToken | MSToken.sol | 0x250865d9ff52c0deb4f607918ffa422037699209 | Solidity | BurnableToken | contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/
function burn(uint256 _value) public onlyOwner {
require(_value <= balances[msg.sender]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which *should* be an assertion failure
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(burner, _value);
emit Transfer(burner, address(0), _value);
}
} | /**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/ | NatSpecMultiLine | burn | function burn(uint256 _value) public onlyOwner {
require(_value <= balances[msg.sender]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which *should* be an assertion failure
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(burner, _value);
emit Transfer(burner, address(0), _value);
}
| /**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/ | NatSpecMultiLine | v0.4.25+commit.59dbf8f1 | bzzr://307569ae166da83f4afea8529a467814f023d9551ee34b67892aa4c8319d40ac | {
"func_code_index": [
216,
707
]
} | 60,021 |
|
Staking | contracts/ERC721_NFTStaking.sol | 0x6476db7cffeebf7cc47ed8d4996d1d60608aaf95 | Solidity | Staking | contract Staking is Ownable {
// track staked Token IDs to addresses to return to
struct stakingStatus {
address stakedBy;
bool locked;
}
mapping(address => mapping(uint256 => stakingStatus)) public records;
constructor() {}
// remap changes the owner of an NFT
// is used reconcile multiple transfers that have happened offchain
function remap(
address collection,
uint256 tokenId,
address newAddr
) public onlyOwner {
records[collection][tokenId].stakedBy = newAddr;
emit Remap(collection, tokenId, newAddr);
}
// lock prevents change owners of an NFT
function lock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = true;
emit Lock(collection, tokenId);
}
// unlock allows changing owners of an NFT
function unlock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = false;
emit Unlock(collection, tokenId);
}
// stake registers the asset into the game
function stake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
require(
nftContract.ownerOf(tokenId) == msg.sender,
"you are not the owner of this token"
);
nftContract.transferFrom(msg.sender, address(this), tokenId);
records[collection][tokenId].stakedBy = msg.sender;
emit Staked(collection, msg.sender, tokenId);
}
// unstake deregisters the asset from the game
function unstake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
address to = records[collection][tokenId].stakedBy;
require(!records[collection][tokenId].locked, "token is locked");
require(to == msg.sender, "you are not the staker");
nftContract.transferFrom(address(this), to, tokenId);
records[collection][tokenId].stakedBy = address(0x0);
emit Unstaked(collection, to, tokenId);
}
event Lock(address collection, uint256 tokenId);
event Unlock(address collection, uint256 tokenId);
event Remap(address collection, uint256 tokenId, address newAddr);
event Staked(address collection, address owner, uint256 tokenId);
event Unstaked(address collection, address owner, uint256 tokenId);
} | /// @custom:security-contact [email protected] | NatSpecSingleLine | remap | function remap(
address collection,
uint256 tokenId,
address newAddr
) public onlyOwner {
records[collection][tokenId].stakedBy = newAddr;
emit Remap(collection, tokenId, newAddr);
}
| // remap changes the owner of an NFT
// is used reconcile multiple transfers that have happened offchain | LineComment | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
343,
538
]
} | 60,022 |
||
Staking | contracts/ERC721_NFTStaking.sol | 0x6476db7cffeebf7cc47ed8d4996d1d60608aaf95 | Solidity | Staking | contract Staking is Ownable {
// track staked Token IDs to addresses to return to
struct stakingStatus {
address stakedBy;
bool locked;
}
mapping(address => mapping(uint256 => stakingStatus)) public records;
constructor() {}
// remap changes the owner of an NFT
// is used reconcile multiple transfers that have happened offchain
function remap(
address collection,
uint256 tokenId,
address newAddr
) public onlyOwner {
records[collection][tokenId].stakedBy = newAddr;
emit Remap(collection, tokenId, newAddr);
}
// lock prevents change owners of an NFT
function lock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = true;
emit Lock(collection, tokenId);
}
// unlock allows changing owners of an NFT
function unlock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = false;
emit Unlock(collection, tokenId);
}
// stake registers the asset into the game
function stake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
require(
nftContract.ownerOf(tokenId) == msg.sender,
"you are not the owner of this token"
);
nftContract.transferFrom(msg.sender, address(this), tokenId);
records[collection][tokenId].stakedBy = msg.sender;
emit Staked(collection, msg.sender, tokenId);
}
// unstake deregisters the asset from the game
function unstake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
address to = records[collection][tokenId].stakedBy;
require(!records[collection][tokenId].locked, "token is locked");
require(to == msg.sender, "you are not the staker");
nftContract.transferFrom(address(this), to, tokenId);
records[collection][tokenId].stakedBy = address(0x0);
emit Unstaked(collection, to, tokenId);
}
event Lock(address collection, uint256 tokenId);
event Unlock(address collection, uint256 tokenId);
event Remap(address collection, uint256 tokenId, address newAddr);
event Staked(address collection, address owner, uint256 tokenId);
event Unstaked(address collection, address owner, uint256 tokenId);
} | /// @custom:security-contact [email protected] | NatSpecSingleLine | lock | function lock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = true;
emit Lock(collection, tokenId);
}
| // lock prevents change owners of an NFT | LineComment | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
582,
735
]
} | 60,023 |
||
Staking | contracts/ERC721_NFTStaking.sol | 0x6476db7cffeebf7cc47ed8d4996d1d60608aaf95 | Solidity | Staking | contract Staking is Ownable {
// track staked Token IDs to addresses to return to
struct stakingStatus {
address stakedBy;
bool locked;
}
mapping(address => mapping(uint256 => stakingStatus)) public records;
constructor() {}
// remap changes the owner of an NFT
// is used reconcile multiple transfers that have happened offchain
function remap(
address collection,
uint256 tokenId,
address newAddr
) public onlyOwner {
records[collection][tokenId].stakedBy = newAddr;
emit Remap(collection, tokenId, newAddr);
}
// lock prevents change owners of an NFT
function lock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = true;
emit Lock(collection, tokenId);
}
// unlock allows changing owners of an NFT
function unlock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = false;
emit Unlock(collection, tokenId);
}
// stake registers the asset into the game
function stake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
require(
nftContract.ownerOf(tokenId) == msg.sender,
"you are not the owner of this token"
);
nftContract.transferFrom(msg.sender, address(this), tokenId);
records[collection][tokenId].stakedBy = msg.sender;
emit Staked(collection, msg.sender, tokenId);
}
// unstake deregisters the asset from the game
function unstake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
address to = records[collection][tokenId].stakedBy;
require(!records[collection][tokenId].locked, "token is locked");
require(to == msg.sender, "you are not the staker");
nftContract.transferFrom(address(this), to, tokenId);
records[collection][tokenId].stakedBy = address(0x0);
emit Unstaked(collection, to, tokenId);
}
event Lock(address collection, uint256 tokenId);
event Unlock(address collection, uint256 tokenId);
event Remap(address collection, uint256 tokenId, address newAddr);
event Staked(address collection, address owner, uint256 tokenId);
event Unstaked(address collection, address owner, uint256 tokenId);
} | /// @custom:security-contact [email protected] | NatSpecSingleLine | unlock | function unlock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = false;
emit Unlock(collection, tokenId);
}
| // unlock allows changing owners of an NFT | LineComment | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
781,
939
]
} | 60,024 |
||
Staking | contracts/ERC721_NFTStaking.sol | 0x6476db7cffeebf7cc47ed8d4996d1d60608aaf95 | Solidity | Staking | contract Staking is Ownable {
// track staked Token IDs to addresses to return to
struct stakingStatus {
address stakedBy;
bool locked;
}
mapping(address => mapping(uint256 => stakingStatus)) public records;
constructor() {}
// remap changes the owner of an NFT
// is used reconcile multiple transfers that have happened offchain
function remap(
address collection,
uint256 tokenId,
address newAddr
) public onlyOwner {
records[collection][tokenId].stakedBy = newAddr;
emit Remap(collection, tokenId, newAddr);
}
// lock prevents change owners of an NFT
function lock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = true;
emit Lock(collection, tokenId);
}
// unlock allows changing owners of an NFT
function unlock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = false;
emit Unlock(collection, tokenId);
}
// stake registers the asset into the game
function stake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
require(
nftContract.ownerOf(tokenId) == msg.sender,
"you are not the owner of this token"
);
nftContract.transferFrom(msg.sender, address(this), tokenId);
records[collection][tokenId].stakedBy = msg.sender;
emit Staked(collection, msg.sender, tokenId);
}
// unstake deregisters the asset from the game
function unstake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
address to = records[collection][tokenId].stakedBy;
require(!records[collection][tokenId].locked, "token is locked");
require(to == msg.sender, "you are not the staker");
nftContract.transferFrom(address(this), to, tokenId);
records[collection][tokenId].stakedBy = address(0x0);
emit Unstaked(collection, to, tokenId);
}
event Lock(address collection, uint256 tokenId);
event Unlock(address collection, uint256 tokenId);
event Remap(address collection, uint256 tokenId, address newAddr);
event Staked(address collection, address owner, uint256 tokenId);
event Unstaked(address collection, address owner, uint256 tokenId);
} | /// @custom:security-contact [email protected] | NatSpecSingleLine | stake | function stake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
require(
nftContract.ownerOf(tokenId) == msg.sender,
"you are not the owner of this token"
);
nftContract.transferFrom(msg.sender, address(this), tokenId);
records[collection][tokenId].stakedBy = msg.sender;
emit Staked(collection, msg.sender, tokenId);
}
| // stake registers the asset into the game | LineComment | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
985,
1363
]
} | 60,025 |
||
Staking | contracts/ERC721_NFTStaking.sol | 0x6476db7cffeebf7cc47ed8d4996d1d60608aaf95 | Solidity | Staking | contract Staking is Ownable {
// track staked Token IDs to addresses to return to
struct stakingStatus {
address stakedBy;
bool locked;
}
mapping(address => mapping(uint256 => stakingStatus)) public records;
constructor() {}
// remap changes the owner of an NFT
// is used reconcile multiple transfers that have happened offchain
function remap(
address collection,
uint256 tokenId,
address newAddr
) public onlyOwner {
records[collection][tokenId].stakedBy = newAddr;
emit Remap(collection, tokenId, newAddr);
}
// lock prevents change owners of an NFT
function lock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = true;
emit Lock(collection, tokenId);
}
// unlock allows changing owners of an NFT
function unlock(address collection, uint256 tokenId) public onlyOwner {
records[collection][tokenId].locked = false;
emit Unlock(collection, tokenId);
}
// stake registers the asset into the game
function stake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
require(
nftContract.ownerOf(tokenId) == msg.sender,
"you are not the owner of this token"
);
nftContract.transferFrom(msg.sender, address(this), tokenId);
records[collection][tokenId].stakedBy = msg.sender;
emit Staked(collection, msg.sender, tokenId);
}
// unstake deregisters the asset from the game
function unstake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
address to = records[collection][tokenId].stakedBy;
require(!records[collection][tokenId].locked, "token is locked");
require(to == msg.sender, "you are not the staker");
nftContract.transferFrom(address(this), to, tokenId);
records[collection][tokenId].stakedBy = address(0x0);
emit Unstaked(collection, to, tokenId);
}
event Lock(address collection, uint256 tokenId);
event Unlock(address collection, uint256 tokenId);
event Remap(address collection, uint256 tokenId, address newAddr);
event Staked(address collection, address owner, uint256 tokenId);
event Unstaked(address collection, address owner, uint256 tokenId);
} | /// @custom:security-contact [email protected] | NatSpecSingleLine | unstake | function unstake(address collection, uint256 tokenId) public {
IERC721 nftContract = ERC721(collection);
address to = records[collection][tokenId].stakedBy;
require(!records[collection][tokenId].locked, "token is locked");
require(to == msg.sender, "you are not the staker");
nftContract.transferFrom(address(this), to, tokenId);
records[collection][tokenId].stakedBy = address(0x0);
emit Unstaked(collection, to, tokenId);
}
| // unstake deregisters the asset from the game | LineComment | v0.8.4+commit.c7e474f2 | {
"func_code_index": [
1413,
1854
]
} | 60,026 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
Burn(_from, _value);
return true;
}
} | ANAcoin | function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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
}
| /**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
853,
1385
]
} | 60,027 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
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 != 0x0);
// 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;
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 | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
1466,
2291
]
} | 60,028 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
Burn(_from, _value);
return true;
}
} | transfer | function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
| /**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
2489,
2598
]
} | 60,029 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
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` on behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
2864,
3159
]
} | 60,030 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
Burn(_from, _value);
return true;
}
} | approve | function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
| /**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens on your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
3415,
3586
]
} | 60,031 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
Burn(_from, _value);
return true;
}
} | approveAndCall | function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
| /**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
3971,
4314
]
} | 60,032 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
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
Burn(msg.sender, _value);
return true;
}
| /**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/ | NatSpecMultiLine | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
4477,
4844
]
} | 60,033 |
||
ANAcoin | ANAcoin.sol | 0x68c2e93c0914c0c00fa2bc3d8319e7d76ce594f6 | Solidity | ANAcoin | contract ANAcoin {
// Public variables of the token
string public name = "ANAcoin";
string public symbol = "ANAN";
uint8 public decimals = 0;
// 18 decimals is the strongly suggested default, avoid changing it
uint256 public totalSupply = 1800000000;
// 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 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
*/
function ANAcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
totalSupply = initialSupply * 18 ** 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 != 0x0);
// 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;
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 {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on 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 on 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;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on 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 _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, 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
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
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
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 | v0.4.24+commit.e67f0147 | None | bzzr://a588a67ee7b15eb1287b0ffafd3e448327cae29d187f86ffff03309f70680a3c | {
"func_code_index": [
5094,
5696
]
} | 60,034 |
||
UnderlyingTokenValuatorImplV2 | contracts/interfaces/IUsdAggregator.sol | 0x80631a5151048f4e47b60406143cf13e104e0626 | Solidity | IUsdAggregator | interface IUsdAggregator {
/**
* @return The USD value of a currency, with 8 decimals.
*/
function currentAnswer() external view returns (uint);
} | /**
* @dev Gets the USD value of a currency with 8 decimals.
*/ | NatSpecMultiLine | currentAnswer | function currentAnswer() external view returns (uint);
| /**
* @return The USD value of a currency, with 8 decimals.
*/ | NatSpecMultiLine | v0.5.13+commit.5b0b510c | Apache-2.0 | bzzr://35a695b36e1214ed47c3de828bb98711c2de28654bf407704ca65d19bbb503f3 | {
"func_code_index": [
110,
169
]
} | 60,035 |
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | usingOraclize | contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0))
oraclize_setNetwork(networkID_auto);
if(address(oraclize) != OAR.getAddress())
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
return oraclize_setNetwork();
networkID; // silence the warning and remain backwards compatible
}
function oraclize_setNetwork() internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) public {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) public {
return;
myid; result; proof; // Silence compiler warnings
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal pure returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal pure returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal pure returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal pure returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal pure returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal pure returns (string) {
return strConcat(_a, _b, "", "", "");
}
// parseInt
function parseInt(string _a) internal pure returns (uint) {
return parseInt(_a, 0);
}
// parseInt(parseFloat*10^_b)
function parseInt(string _a, uint _b) internal pure returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal pure returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal view returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
require((_nbytes > 0) && (_nbytes <= 32));
// Convert from seconds to ledger timer ticks
_delay *= 10;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes memory delay = new bytes(32);
assembly {
mstore(add(delay, 0x20), _delay)
}
bytes memory delay_bytes8 = new bytes(8);
copyBytes(delay, 24, 8, delay_bytes8, 0);
bytes[4] memory args = [unonce, nbytes, sessionKeyHash, delay];
bytes32 queryId = oraclize_query("random", args, _customGasLimit);
bytes memory delay_bytes8_left = new bytes(8);
assembly {
let x := mload(add(delay_bytes8, 0x20))
mstore8(add(delay_bytes8_left, 0x27), div(x, 0x100000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x26), div(x, 0x1000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x25), div(x, 0x10000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x24), div(x, 0x100000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x23), div(x, 0x1000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x22), div(x, 0x10000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x21), div(x, 0x100000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x20), div(x, 0x1000000000000000000000000000000000000000000000000))
}
oraclize_randomDS_setCommitment(queryId, keccak256(delay_bytes8_left, args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(keccak256(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(keccak256(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
// Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH)
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = byte(1); //role
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
// Step 7: verify the APPKEY1 provenance (must be signed by Ledger)
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
require((_proof[0] == "L") && (_proof[1] == "P") && (_proof[2] == 1));
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
require(proofVerified);
_;
}
function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) return 2;
return 0;
}
function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal pure returns (bool){
bool match_ = true;
require(prefix.length == n_random_bytes);
for (uint256 i=0; i< n_random_bytes; i++) {
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
// Step 2: the unique keyhash has to match with the sha256 of (context name + queryId)
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
if (!(keccak256(keyhash) == keccak256(sha256(context_name, queryId)))) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
// Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1)
if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false;
// Step 4: commitment match verification, keccak256(delay, nbytes, unonce, sessionKeyHash) == commitment in storage.
// This is to verify that the computed args match with the ones specified in the query.
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == keccak256(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match
delete oraclize_randomDS_args[queryId];
} else return false;
// Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey)
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false;
// verify if sessionPubkeyHash was verified already, if not.. let's do it!
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal pure returns (bytes) {
uint minLength = length + toOffset;
// Buffer too small
require(to.length >= minLength); // Should be a better way?
// NOTE: the offset 32 is added to skip the `size` field of both bytes variables
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
// Duplicate Solidity's ecrecover, but catching the CALL return value
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but don't update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly can't access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
} | parseInt | function parseInt(string _a) internal pure returns (uint) {
return parseInt(_a, 0);
}
| // parseInt | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
27483,
27587
]
} | 60,036 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | usingOraclize | contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0))
oraclize_setNetwork(networkID_auto);
if(address(oraclize) != OAR.getAddress())
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
return oraclize_setNetwork();
networkID; // silence the warning and remain backwards compatible
}
function oraclize_setNetwork() internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) public {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) public {
return;
myid; result; proof; // Silence compiler warnings
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal pure returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal pure returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal pure returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal pure returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal pure returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal pure returns (string) {
return strConcat(_a, _b, "", "", "");
}
// parseInt
function parseInt(string _a) internal pure returns (uint) {
return parseInt(_a, 0);
}
// parseInt(parseFloat*10^_b)
function parseInt(string _a, uint _b) internal pure returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal pure returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal view returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
require((_nbytes > 0) && (_nbytes <= 32));
// Convert from seconds to ledger timer ticks
_delay *= 10;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes memory delay = new bytes(32);
assembly {
mstore(add(delay, 0x20), _delay)
}
bytes memory delay_bytes8 = new bytes(8);
copyBytes(delay, 24, 8, delay_bytes8, 0);
bytes[4] memory args = [unonce, nbytes, sessionKeyHash, delay];
bytes32 queryId = oraclize_query("random", args, _customGasLimit);
bytes memory delay_bytes8_left = new bytes(8);
assembly {
let x := mload(add(delay_bytes8, 0x20))
mstore8(add(delay_bytes8_left, 0x27), div(x, 0x100000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x26), div(x, 0x1000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x25), div(x, 0x10000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x24), div(x, 0x100000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x23), div(x, 0x1000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x22), div(x, 0x10000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x21), div(x, 0x100000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x20), div(x, 0x1000000000000000000000000000000000000000000000000))
}
oraclize_randomDS_setCommitment(queryId, keccak256(delay_bytes8_left, args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(keccak256(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(keccak256(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
// Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH)
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = byte(1); //role
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
// Step 7: verify the APPKEY1 provenance (must be signed by Ledger)
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
require((_proof[0] == "L") && (_proof[1] == "P") && (_proof[2] == 1));
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
require(proofVerified);
_;
}
function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) return 2;
return 0;
}
function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal pure returns (bool){
bool match_ = true;
require(prefix.length == n_random_bytes);
for (uint256 i=0; i< n_random_bytes; i++) {
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
// Step 2: the unique keyhash has to match with the sha256 of (context name + queryId)
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
if (!(keccak256(keyhash) == keccak256(sha256(context_name, queryId)))) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
// Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1)
if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false;
// Step 4: commitment match verification, keccak256(delay, nbytes, unonce, sessionKeyHash) == commitment in storage.
// This is to verify that the computed args match with the ones specified in the query.
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == keccak256(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match
delete oraclize_randomDS_args[queryId];
} else return false;
// Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey)
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false;
// verify if sessionPubkeyHash was verified already, if not.. let's do it!
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal pure returns (bytes) {
uint minLength = length + toOffset;
// Buffer too small
require(to.length >= minLength); // Should be a better way?
// NOTE: the offset 32 is added to skip the `size` field of both bytes variables
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
// Duplicate Solidity's ecrecover, but catching the CALL return value
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but don't update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly can't access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
} | parseInt | function parseInt(string _a, uint _b) internal pure returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
| // parseInt(parseFloat*10^_b) | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
27625,
28239
]
} | 60,037 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | usingOraclize | contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0))
oraclize_setNetwork(networkID_auto);
if(address(oraclize) != OAR.getAddress())
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
return oraclize_setNetwork();
networkID; // silence the warning and remain backwards compatible
}
function oraclize_setNetwork() internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) public {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) public {
return;
myid; result; proof; // Silence compiler warnings
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal pure returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal pure returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal pure returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal pure returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal pure returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal pure returns (string) {
return strConcat(_a, _b, "", "", "");
}
// parseInt
function parseInt(string _a) internal pure returns (uint) {
return parseInt(_a, 0);
}
// parseInt(parseFloat*10^_b)
function parseInt(string _a, uint _b) internal pure returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal pure returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal view returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
require((_nbytes > 0) && (_nbytes <= 32));
// Convert from seconds to ledger timer ticks
_delay *= 10;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes memory delay = new bytes(32);
assembly {
mstore(add(delay, 0x20), _delay)
}
bytes memory delay_bytes8 = new bytes(8);
copyBytes(delay, 24, 8, delay_bytes8, 0);
bytes[4] memory args = [unonce, nbytes, sessionKeyHash, delay];
bytes32 queryId = oraclize_query("random", args, _customGasLimit);
bytes memory delay_bytes8_left = new bytes(8);
assembly {
let x := mload(add(delay_bytes8, 0x20))
mstore8(add(delay_bytes8_left, 0x27), div(x, 0x100000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x26), div(x, 0x1000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x25), div(x, 0x10000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x24), div(x, 0x100000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x23), div(x, 0x1000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x22), div(x, 0x10000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x21), div(x, 0x100000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x20), div(x, 0x1000000000000000000000000000000000000000000000000))
}
oraclize_randomDS_setCommitment(queryId, keccak256(delay_bytes8_left, args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(keccak256(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(keccak256(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
// Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH)
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = byte(1); //role
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
// Step 7: verify the APPKEY1 provenance (must be signed by Ledger)
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
require((_proof[0] == "L") && (_proof[1] == "P") && (_proof[2] == 1));
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
require(proofVerified);
_;
}
function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) return 2;
return 0;
}
function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal pure returns (bool){
bool match_ = true;
require(prefix.length == n_random_bytes);
for (uint256 i=0; i< n_random_bytes; i++) {
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
// Step 2: the unique keyhash has to match with the sha256 of (context name + queryId)
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
if (!(keccak256(keyhash) == keccak256(sha256(context_name, queryId)))) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
// Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1)
if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false;
// Step 4: commitment match verification, keccak256(delay, nbytes, unonce, sessionKeyHash) == commitment in storage.
// This is to verify that the computed args match with the ones specified in the query.
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == keccak256(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match
delete oraclize_randomDS_args[queryId];
} else return false;
// Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey)
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false;
// verify if sessionPubkeyHash was verified already, if not.. let's do it!
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal pure returns (bytes) {
uint minLength = length + toOffset;
// Buffer too small
require(to.length >= minLength); // Should be a better way?
// NOTE: the offset 32 is added to skip the `size` field of both bytes variables
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
// Duplicate Solidity's ecrecover, but catching the CALL return value
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but don't update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly can't access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
} | copyBytes | function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal pure returns (bytes) {
uint minLength = length + toOffset;
// Buffer too small
require(to.length >= minLength); // Should be a better way?
// NOTE: the offset 32 is added to skip the `size` field of both bytes variables
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
| // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
41498,
42189
]
} | 60,038 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | usingOraclize | contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0))
oraclize_setNetwork(networkID_auto);
if(address(oraclize) != OAR.getAddress())
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
return oraclize_setNetwork();
networkID; // silence the warning and remain backwards compatible
}
function oraclize_setNetwork() internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) public {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) public {
return;
myid; result; proof; // Silence compiler warnings
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal pure returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal pure returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal pure returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal pure returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal pure returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal pure returns (string) {
return strConcat(_a, _b, "", "", "");
}
// parseInt
function parseInt(string _a) internal pure returns (uint) {
return parseInt(_a, 0);
}
// parseInt(parseFloat*10^_b)
function parseInt(string _a, uint _b) internal pure returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal pure returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal view returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
require((_nbytes > 0) && (_nbytes <= 32));
// Convert from seconds to ledger timer ticks
_delay *= 10;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes memory delay = new bytes(32);
assembly {
mstore(add(delay, 0x20), _delay)
}
bytes memory delay_bytes8 = new bytes(8);
copyBytes(delay, 24, 8, delay_bytes8, 0);
bytes[4] memory args = [unonce, nbytes, sessionKeyHash, delay];
bytes32 queryId = oraclize_query("random", args, _customGasLimit);
bytes memory delay_bytes8_left = new bytes(8);
assembly {
let x := mload(add(delay_bytes8, 0x20))
mstore8(add(delay_bytes8_left, 0x27), div(x, 0x100000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x26), div(x, 0x1000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x25), div(x, 0x10000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x24), div(x, 0x100000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x23), div(x, 0x1000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x22), div(x, 0x10000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x21), div(x, 0x100000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x20), div(x, 0x1000000000000000000000000000000000000000000000000))
}
oraclize_randomDS_setCommitment(queryId, keccak256(delay_bytes8_left, args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(keccak256(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(keccak256(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
// Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH)
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = byte(1); //role
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
// Step 7: verify the APPKEY1 provenance (must be signed by Ledger)
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
require((_proof[0] == "L") && (_proof[1] == "P") && (_proof[2] == 1));
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
require(proofVerified);
_;
}
function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) return 2;
return 0;
}
function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal pure returns (bool){
bool match_ = true;
require(prefix.length == n_random_bytes);
for (uint256 i=0; i< n_random_bytes; i++) {
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
// Step 2: the unique keyhash has to match with the sha256 of (context name + queryId)
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
if (!(keccak256(keyhash) == keccak256(sha256(context_name, queryId)))) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
// Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1)
if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false;
// Step 4: commitment match verification, keccak256(delay, nbytes, unonce, sessionKeyHash) == commitment in storage.
// This is to verify that the computed args match with the ones specified in the query.
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == keccak256(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match
delete oraclize_randomDS_args[queryId];
} else return false;
// Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey)
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false;
// verify if sessionPubkeyHash was verified already, if not.. let's do it!
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal pure returns (bytes) {
uint minLength = length + toOffset;
// Buffer too small
require(to.length >= minLength); // Should be a better way?
// NOTE: the offset 32 is added to skip the `size` field of both bytes variables
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
// Duplicate Solidity's ecrecover, but catching the CALL return value
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but don't update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly can't access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
} | safer_ecrecover | function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but don't update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly can't access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
| // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
// Duplicate Solidity's ecrecover, but catching the CALL return value | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
42386,
43389
]
} | 60,039 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | usingOraclize | contract usingOraclize {
uint constant day = 60*60*24;
uint constant week = 60*60*24*7;
uint constant month = 60*60*24*30;
byte constant proofType_NONE = 0x00;
byte constant proofType_TLSNotary = 0x10;
byte constant proofType_Android = 0x20;
byte constant proofType_Ledger = 0x30;
byte constant proofType_Native = 0xF0;
byte constant proofStorage_IPFS = 0x01;
uint8 constant networkID_auto = 0;
uint8 constant networkID_mainnet = 1;
uint8 constant networkID_testnet = 2;
uint8 constant networkID_morden = 2;
uint8 constant networkID_consensys = 161;
OraclizeAddrResolverI OAR;
OraclizeI oraclize;
modifier oraclizeAPI {
if((address(OAR)==0)||(getCodeSize(address(OAR))==0))
oraclize_setNetwork(networkID_auto);
if(address(oraclize) != OAR.getAddress())
oraclize = OraclizeI(OAR.getAddress());
_;
}
modifier coupon(string code){
oraclize = OraclizeI(OAR.getAddress());
_;
}
function oraclize_setNetwork(uint8 networkID) internal returns(bool){
return oraclize_setNetwork();
networkID; // silence the warning and remain backwards compatible
}
function oraclize_setNetwork() internal returns(bool){
if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet
OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
oraclize_setNetworkName("eth_mainnet");
return true;
}
if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet
OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
oraclize_setNetworkName("eth_ropsten3");
return true;
}
if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet
OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
oraclize_setNetworkName("eth_kovan");
return true;
}
if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet
OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
oraclize_setNetworkName("eth_rinkeby");
return true;
}
if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge
OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
return true;
}
if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide
OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
return true;
}
if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity
OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
return true;
}
return false;
}
function __callback(bytes32 myid, string result) public {
__callback(myid, result, new bytes(0));
}
function __callback(bytes32 myid, string result, bytes proof) public {
return;
myid; result; proof; // Silence compiler warnings
}
function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource);
}
function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
return oraclize.getPrice(datasource, gaslimit);
}
function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(0, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query.value(price)(timestamp, datasource, arg);
}
function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(0, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
}
function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
}
function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = stra2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
string[] memory dynargs = new string[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(0, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource);
if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN.value(price)(timestamp, datasource, args);
}
function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
uint price = oraclize.getPrice(datasource, gaslimit);
if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
bytes memory args = ba2cbor(argN);
return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](1);
dynargs[0] = args[0];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](2);
dynargs[0] = args[0];
dynargs[1] = args[1];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](3);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](4);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs);
}
function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(timestamp, datasource, dynargs, gaslimit);
}
function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
bytes[] memory dynargs = new bytes[](5);
dynargs[0] = args[0];
dynargs[1] = args[1];
dynargs[2] = args[2];
dynargs[3] = args[3];
dynargs[4] = args[4];
return oraclize_query(datasource, dynargs, gaslimit);
}
function oraclize_cbAddress() oraclizeAPI internal returns (address){
return oraclize.cbAddress();
}
function oraclize_setProof(byte proofP) oraclizeAPI internal {
return oraclize.setProofType(proofP);
}
function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
return oraclize.setCustomGasPrice(gasPrice);
}
function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
return oraclize.randomDS_getSessionPubKeyHash();
}
function getCodeSize(address _addr) constant internal returns(uint _size) {
assembly {
_size := extcodesize(_addr)
}
}
function parseAddr(string _a) internal pure returns (address){
bytes memory tmp = bytes(_a);
uint160 iaddr = 0;
uint160 b1;
uint160 b2;
for (uint i=2; i<2+2*20; i+=2){
iaddr *= 256;
b1 = uint160(tmp[i]);
b2 = uint160(tmp[i+1]);
if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
iaddr += (b1*16+b2);
}
return address(iaddr);
}
function strCompare(string _a, string _b) internal pure returns (int) {
bytes memory a = bytes(_a);
bytes memory b = bytes(_b);
uint minLength = a.length;
if (b.length < minLength) minLength = b.length;
for (uint i = 0; i < minLength; i ++)
if (a[i] < b[i])
return -1;
else if (a[i] > b[i])
return 1;
if (a.length < b.length)
return -1;
else if (a.length > b.length)
return 1;
else
return 0;
}
function indexOf(string _haystack, string _needle) internal pure returns (int) {
bytes memory h = bytes(_haystack);
bytes memory n = bytes(_needle);
if(h.length < 1 || n.length < 1 || (n.length > h.length))
return -1;
else if(h.length > (2**128 -1))
return -1;
else
{
uint subindex = 0;
for (uint i = 0; i < h.length; i ++)
{
if (h[i] == n[0])
{
subindex = 1;
while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
{
subindex++;
}
if(subindex == n.length)
return int(i);
}
}
return -1;
}
}
function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal pure returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal pure returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal pure returns (string) {
return strConcat(_a, _b, "", "", "");
}
// parseInt
function parseInt(string _a) internal pure returns (uint) {
return parseInt(_a, 0);
}
// parseInt(parseFloat*10^_b)
function parseInt(string _a, uint _b) internal pure returns (uint) {
bytes memory bresult = bytes(_a);
uint mint = 0;
bool decimals = false;
for (uint i=0; i<bresult.length; i++){
if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
if (decimals){
if (_b == 0) break;
else _b--;
}
mint *= 10;
mint += uint(bresult[i]) - 48;
} else if (bresult[i] == 46) decimals = true;
}
if (_b > 0) mint *= 10**_b;
return mint;
}
function uint2str(uint i) internal pure returns (string){
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function stra2cbor(string[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
function ba2cbor(bytes[] arr) internal pure returns (bytes) {
uint arrlen = arr.length;
// get correct cbor output length
uint outputlen = 0;
bytes[] memory elemArray = new bytes[](arrlen);
for (uint i = 0; i < arrlen; i++) {
elemArray[i] = (bytes(arr[i]));
outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
}
uint ctr = 0;
uint cborlen = arrlen + 0x80;
outputlen += byte(cborlen).length;
bytes memory res = new bytes(outputlen);
while (byte(cborlen).length > ctr) {
res[ctr] = byte(cborlen)[ctr];
ctr++;
}
for (i = 0; i < arrlen; i++) {
res[ctr] = 0x5F;
ctr++;
for (uint x = 0; x < elemArray[i].length; x++) {
// if there's a bug with larger strings, this may be the culprit
if (x % 23 == 0) {
uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
elemcborlen += 0x40;
uint lctr = ctr;
while (byte(elemcborlen).length > ctr - lctr) {
res[ctr] = byte(elemcborlen)[ctr - lctr];
ctr++;
}
}
res[ctr] = elemArray[i][x];
ctr++;
}
res[ctr] = 0xFF;
ctr++;
}
return res;
}
string oraclize_network_name;
function oraclize_setNetworkName(string _network_name) internal {
oraclize_network_name = _network_name;
}
function oraclize_getNetworkName() internal view returns (string) {
return oraclize_network_name;
}
function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
require((_nbytes > 0) && (_nbytes <= 32));
// Convert from seconds to ledger timer ticks
_delay *= 10;
bytes memory nbytes = new bytes(1);
nbytes[0] = byte(_nbytes);
bytes memory unonce = new bytes(32);
bytes memory sessionKeyHash = new bytes(32);
bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
assembly {
mstore(unonce, 0x20)
mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
mstore(sessionKeyHash, 0x20)
mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
}
bytes memory delay = new bytes(32);
assembly {
mstore(add(delay, 0x20), _delay)
}
bytes memory delay_bytes8 = new bytes(8);
copyBytes(delay, 24, 8, delay_bytes8, 0);
bytes[4] memory args = [unonce, nbytes, sessionKeyHash, delay];
bytes32 queryId = oraclize_query("random", args, _customGasLimit);
bytes memory delay_bytes8_left = new bytes(8);
assembly {
let x := mload(add(delay_bytes8, 0x20))
mstore8(add(delay_bytes8_left, 0x27), div(x, 0x100000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x26), div(x, 0x1000000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x25), div(x, 0x10000000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x24), div(x, 0x100000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x23), div(x, 0x1000000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x22), div(x, 0x10000000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x21), div(x, 0x100000000000000000000000000000000000000000000000000))
mstore8(add(delay_bytes8_left, 0x20), div(x, 0x1000000000000000000000000000000000000000000000000))
}
oraclize_randomDS_setCommitment(queryId, keccak256(delay_bytes8_left, args[1], sha256(args[0]), args[2]));
return queryId;
}
function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
oraclize_randomDS_args[queryId] = commitment;
}
mapping(bytes32=>bytes32) oraclize_randomDS_args;
mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;
function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
bool sigok;
address signer;
bytes32 sigr;
bytes32 sigs;
bytes memory sigr_ = new bytes(32);
uint offset = 4+(uint(dersig[3]) - 0x20);
sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
bytes memory sigs_ = new bytes(32);
offset += 32 + 2;
sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);
assembly {
sigr := mload(add(sigr_, 32))
sigs := mload(add(sigs_, 32))
}
(sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
if (address(keccak256(pubkey)) == signer) return true;
else {
(sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
return (address(keccak256(pubkey)) == signer);
}
}
function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
bool sigok;
// Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH)
bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
copyBytes(proof, sig2offset, sig2.length, sig2, 0);
bytes memory appkey1_pubkey = new bytes(64);
copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
bytes memory tosign2 = new bytes(1+65+32);
tosign2[0] = byte(1); //role
copyBytes(proof, sig2offset-65, 65, tosign2, 1);
bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
if (sigok == false) return false;
// Step 7: verify the APPKEY1 provenance (must be signed by Ledger)
bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
bytes memory tosign3 = new bytes(1+65);
tosign3[0] = 0xFE;
copyBytes(proof, 3, 65, tosign3, 1);
bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
copyBytes(proof, 3+65, sig3.length, sig3, 0);
sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
return sigok;
}
modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
require((_proof[0] == "L") && (_proof[1] == "P") && (_proof[2] == 1));
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
require(proofVerified);
_;
}
function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){
// Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1;
bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
if (proofVerified == false) return 2;
return 0;
}
function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal pure returns (bool){
bool match_ = true;
require(prefix.length == n_random_bytes);
for (uint256 i=0; i< n_random_bytes; i++) {
if (content[i] != prefix[i]) match_ = false;
}
return match_;
}
function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
// Step 2: the unique keyhash has to match with the sha256 of (context name + queryId)
uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
bytes memory keyhash = new bytes(32);
copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
if (!(keccak256(keyhash) == keccak256(sha256(context_name, queryId)))) return false;
bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
// Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1)
if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false;
// Step 4: commitment match verification, keccak256(delay, nbytes, unonce, sessionKeyHash) == commitment in storage.
// This is to verify that the computed args match with the ones specified in the query.
bytes memory commitmentSlice1 = new bytes(8+1+32);
copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
bytes memory sessionPubkey = new bytes(64);
uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
bytes32 sessionPubkeyHash = sha256(sessionPubkey);
if (oraclize_randomDS_args[queryId] == keccak256(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match
delete oraclize_randomDS_args[queryId];
} else return false;
// Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey)
bytes memory tosign1 = new bytes(32+8+1+32);
copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false;
// verify if sessionPubkeyHash was verified already, if not.. let's do it!
if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
}
return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal pure returns (bytes) {
uint minLength = length + toOffset;
// Buffer too small
require(to.length >= minLength); // Should be a better way?
// NOTE: the offset 32 is added to skip the `size` field of both bytes variables
uint i = 32 + fromOffset;
uint j = 32 + toOffset;
while (i < (32 + fromOffset + length)) {
assembly {
let tmp := mload(add(from, i))
mstore(add(to, j), tmp)
}
i += 32;
j += 32;
}
return to;
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
// Duplicate Solidity's ecrecover, but catching the CALL return value
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but don't update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly can't access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
// the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
} | ecrecovery | function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
| // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
43511,
44937
]
} | 60,040 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | EOSBetBankroll | function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
| // initialization function | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
1630,
2472
]
} | 60,041 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | checkWhenContributorCanTransferOrWithdraw | function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
| /////////////////////////////////////////////// | NatSpecSingleLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
2598,
2758
]
} | 60,042 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | payEtherToWinner | function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
| /////////////////////////////////////////////// | NatSpecSingleLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
3132,
3912
]
} | 60,043 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
| // this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest. | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
4879,
7493
]
} | 60,044 |
||||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | cashoutEOSBetStakeTokens_ALL | function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
| // TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
9953,
10148
]
} | 60,045 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | transferOwnership | function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
| // Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.) | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
11731,
11846
]
} | 60,046 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | ERC20Rescue | function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
| // rescue tokens inadvertently sent to the contract address | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
12828,
12996
]
} | 60,047 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | totalSupply | function totalSupply() constant public returns(uint){
return totalSupply;
}
| /////////////////////////////// | NatSpecSingleLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
13103,
13185
]
} | 60,048 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | transfer | function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
| // don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
13424,
13922
]
} | 60,049 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetBankroll | contract EOSBetBankroll is ERC20, EOSBetBankrollInterface {
using SafeMath for *;
// constants for EOSBet Bankroll
address public OWNER;
uint256 public MAXIMUMINVESTMENTSALLOWED;
uint256 public WAITTIMEUNTILWITHDRAWORTRANSFER;
uint256 public DEVELOPERSFUND;
// this will be initialized as the trusted game addresses which will forward their ether
// to the bankroll contract, and when players win, they will request the bankroll contract
// to send these players their winnings.
// Feel free to audit these contracts on etherscan...
mapping(address => bool) public TRUSTEDADDRESSES;
address public DICE;
address public SLOTS;
// mapping to log the last time a user contributed to the bankroll
mapping(address => uint256) contributionTime;
// constants for ERC20 standard
string public constant name = "EOSBet Stake Tokens";
string public constant symbol = "EOSBETST";
uint8 public constant decimals = 18;
// variable total supply
uint256 public totalSupply;
// mapping to store tokens
mapping(address => uint256) public balances;
mapping(address => mapping(address => uint256)) public allowed;
// events
event FundBankroll(address contributor, uint256 etherContributed, uint256 tokensReceived);
event CashOut(address contributor, uint256 etherWithdrawn, uint256 tokensCashedIn);
event FailedSend(address sendTo, uint256 amt);
// checks that an address is a "trusted address of a legitimate EOSBet game"
modifier addressInTrustedAddresses(address thisAddress){
require(TRUSTEDADDRESSES[thisAddress]);
_;
}
// initialization function
function EOSBetBankroll(address dice, address slots) public payable {
// function is payable, owner of contract MUST "seed" contract with some ether,
// so that the ratios are correct when tokens are being minted
require (msg.value > 0);
OWNER = msg.sender;
// 100 tokens/ether is the inital seed amount, so:
uint256 initialTokens = msg.value * 100;
balances[msg.sender] = initialTokens;
totalSupply = initialTokens;
// log a mint tokens event
emit Transfer(0x0, msg.sender, initialTokens);
// insert given game addresses into the TRUSTEDADDRESSES mapping, and save the addresses as global variables
TRUSTEDADDRESSES[dice] = true;
TRUSTEDADDRESSES[slots] = true;
DICE = dice;
SLOTS = slots;
WAITTIMEUNTILWITHDRAWORTRANSFER = 6 hours;
MAXIMUMINVESTMENTSALLOWED = 500 ether;
}
///////////////////////////////////////////////
// VIEW FUNCTIONS
///////////////////////////////////////////////
function checkWhenContributorCanTransferOrWithdraw(address bankrollerAddress) view public returns(uint256){
return contributionTime[bankrollerAddress];
}
function getBankroll() view public returns(uint256){
// returns the total balance minus the developers fund, as the amount of active bankroll
return SafeMath.sub(address(this).balance, DEVELOPERSFUND);
}
///////////////////////////////////////////////
// BANKROLL CONTRACT <-> GAME CONTRACTS functions
///////////////////////////////////////////////
function payEtherToWinner(uint256 amtEther, address winner) public addressInTrustedAddresses(msg.sender){
// this function will get called by a game contract when someone wins a game
// try to send, if it fails, then send the amount to the owner
// note, this will only happen if someone is calling the betting functions with
// a contract. They are clearly up to no good, so they can contact us to retreive
// their ether
// if the ether cannot be sent to us, the OWNER, that means we are up to no good,
// and the ether will just be given to the bankrollers as if the player/owner lost
if (! winner.send(amtEther)){
emit FailedSend(winner, amtEther);
if (! OWNER.send(amtEther)){
emit FailedSend(OWNER, amtEther);
}
}
}
function receiveEtherFromGameAddress() payable public addressInTrustedAddresses(msg.sender){
// this function will get called from the game contracts when someone starts a game.
}
function payOraclize(uint256 amountToPay) public addressInTrustedAddresses(msg.sender){
// this function will get called when a game contract must pay payOraclize
EOSBetGameInterface(msg.sender).receivePaymentForOraclize.value(amountToPay)();
}
///////////////////////////////////////////////
// BANKROLL CONTRACT MAIN FUNCTIONS
///////////////////////////////////////////////
// this function ADDS to the bankroll of EOSBet, and credits the bankroller a proportional
// amount of tokens so they may withdraw their tokens later
// also if there is only a limited amount of space left in the bankroll, a user can just send as much
// ether as they want, because they will be able to contribute up to the maximum, and then get refunded the rest.
function () public payable {
// save in memory for cheap access.
// this represents the total bankroll balance before the function was called.
uint256 currentTotalBankroll = SafeMath.sub(getBankroll(), msg.value);
uint256 maxInvestmentsAllowed = MAXIMUMINVESTMENTSALLOWED;
require(currentTotalBankroll < maxInvestmentsAllowed && msg.value != 0);
uint256 currentSupplyOfTokens = totalSupply;
uint256 contributedEther;
bool contributionTakesBankrollOverLimit;
uint256 ifContributionTakesBankrollOverLimit_Refund;
uint256 creditedTokens;
if (SafeMath.add(currentTotalBankroll, msg.value) > maxInvestmentsAllowed){
// allow the bankroller to contribute up to the allowed amount of ether, and refund the rest.
contributionTakesBankrollOverLimit = true;
// set contributed ether as (MAXIMUMINVESTMENTSALLOWED - BANKROLL)
contributedEther = SafeMath.sub(maxInvestmentsAllowed, currentTotalBankroll);
// refund the rest of the ether, which is (original amount sent - (maximum amount allowed - bankroll))
ifContributionTakesBankrollOverLimit_Refund = SafeMath.sub(msg.value, contributedEther);
}
else {
contributedEther = msg.value;
}
if (currentSupplyOfTokens != 0){
// determine the ratio of contribution versus total BANKROLL.
creditedTokens = SafeMath.mul(contributedEther, currentSupplyOfTokens) / currentTotalBankroll;
}
else {
// edge case where ALL money was cashed out from bankroll
// so currentSupplyOfTokens == 0
// currentTotalBankroll can == 0 or not, if someone mines/selfdestruct's to the contract
// but either way, give all the bankroll to person who deposits ether
creditedTokens = SafeMath.mul(contributedEther, 100);
}
// now update the total supply of tokens and bankroll amount
totalSupply = SafeMath.add(currentSupplyOfTokens, creditedTokens);
// now credit the user with his amount of contributed tokens
balances[msg.sender] = SafeMath.add(balances[msg.sender], creditedTokens);
// update his contribution time for stake time locking
contributionTime[msg.sender] = block.timestamp;
// now look if the attempted contribution would have taken the BANKROLL over the limit,
// and if true, refund the excess ether.
if (contributionTakesBankrollOverLimit){
msg.sender.transfer(ifContributionTakesBankrollOverLimit_Refund);
}
// log an event about funding bankroll
emit FundBankroll(msg.sender, contributedEther, creditedTokens);
// log a mint tokens event
emit Transfer(0x0, msg.sender, creditedTokens);
}
function cashoutEOSBetStakeTokens(uint256 _amountTokens) public {
// In effect, this function is the OPPOSITE of the un-named payable function above^^^
// this allows bankrollers to "cash out" at any time, and receive the ether that they contributed, PLUS
// a proportion of any ether that was earned by the smart contact when their ether was "staking", However
// this works in reverse as well. Any net losses of the smart contract will be absorbed by the player in like manner.
// Of course, due to the constant house edge, a bankroller that leaves their ether in the contract long enough
// is effectively guaranteed to withdraw more ether than they originally "staked"
// save in memory for cheap access.
uint256 tokenBalance = balances[msg.sender];
// verify that the contributor has enough tokens to cash out this many, and has waited the required time.
require(_amountTokens <= tokenBalance
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _amountTokens > 0);
// save in memory for cheap access.
// again, represents the total balance of the contract before the function was called.
uint256 currentTotalBankroll = getBankroll();
uint256 currentSupplyOfTokens = totalSupply;
// calculate the token withdraw ratio based on current supply
uint256 withdrawEther = SafeMath.mul(_amountTokens, currentTotalBankroll) / currentSupplyOfTokens;
// developers take 1% of withdrawls
uint256 developersCut = withdrawEther / 100;
uint256 contributorAmount = SafeMath.sub(withdrawEther, developersCut);
// now update the total supply of tokens by subtracting the tokens that are being "cashed in"
totalSupply = SafeMath.sub(currentSupplyOfTokens, _amountTokens);
// and update the users supply of tokens
balances[msg.sender] = SafeMath.sub(tokenBalance, _amountTokens);
// update the developers fund based on this calculated amount
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
// lastly, transfer the ether back to the bankroller. Thanks for your contribution!
msg.sender.transfer(contributorAmount);
// log an event about cashout
emit CashOut(msg.sender, contributorAmount, _amountTokens);
// log a destroy tokens event
emit Transfer(msg.sender, 0x0, _amountTokens);
}
// TO CALL THIS FUNCTION EASILY, SEND A 0 ETHER TRANSACTION TO THIS CONTRACT WITH EXTRA DATA: 0x7a09588b
function cashoutEOSBetStakeTokens_ALL() public {
// just forward to cashoutEOSBetStakeTokens with input as the senders entire balance
cashoutEOSBetStakeTokens(balances[msg.sender]);
}
////////////////////
// OWNER FUNCTIONS:
////////////////////
// Please, be aware that the owner ONLY can change:
// 1. The owner can increase or decrease the target amount for a game. They can then call the updater function to give/receive the ether from the game.
// 1. The wait time until a user can withdraw or transfer their tokens after purchase through the default function above ^^^
// 2. The owner can change the maximum amount of investments allowed. This allows for early contributors to guarantee
// a certain percentage of the bankroll so that their stake cannot be diluted immediately. However, be aware that the
// maximum amount of investments allowed will be raised over time. This will allow for higher bets by gamblers, resulting
// in higher dividends for the bankrollers
// 3. The owner can freeze payouts to bettors. This will be used in case of an emergency, and the contract will reject all
// new bets as well. This does not mean that bettors will lose their money without recompense. They will be allowed to call the
// "refund" function in the respective game smart contract once payouts are un-frozen.
// 4. Finally, the owner can modify and withdraw the developers reward, which will fund future development, including new games, a sexier frontend,
// and TRUE DAO governance so that onlyOwner functions don't have to exist anymore ;) and in order to effectively react to changes
// in the market (lower the percentage because of increased competition in the blockchain casino space, etc.)
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function changeWaitTimeUntilWithdrawOrTransfer(uint256 waitTime) public {
// waitTime MUST be less than or equal to 10 weeks
require (msg.sender == OWNER && waitTime <= 6048000);
WAITTIMEUNTILWITHDRAWORTRANSFER = waitTime;
}
function changeMaximumInvestmentsAllowed(uint256 maxAmount) public {
require(msg.sender == OWNER);
MAXIMUMINVESTMENTSALLOWED = maxAmount;
}
function withdrawDevelopersFund(address receiver) public {
require(msg.sender == OWNER);
// first get developers fund from each game
EOSBetGameInterface(DICE).payDevelopersFund(receiver);
EOSBetGameInterface(SLOTS).payDevelopersFund(receiver);
// now send the developers fund from the main contract.
uint256 developersFund = DEVELOPERSFUND;
// set developers fund to zero
DEVELOPERSFUND = 0;
// transfer this amount to the owner!
receiver.transfer(developersFund);
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
///////////////////////////////
// BASIC ERC20 TOKEN OPERATIONS
///////////////////////////////
function totalSupply() constant public returns(uint){
return totalSupply;
}
function balanceOf(address _owner) constant public returns(uint){
return balances[_owner];
}
// don't allow transfers before the required wait-time
// and don't allow transfers to this contract addr, it'll just kill tokens
function transfer(address _to, uint256 _value) public returns (bool success){
require(balances[msg.sender] >= _value
&& contributionTime[msg.sender] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely subtract
balances[msg.sender] = SafeMath.sub(balances[msg.sender], _value);
balances[_to] = SafeMath.add(balances[_to], _value);
// log event
emit Transfer(msg.sender, _to, _value);
return true;
}
// don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public returns(bool){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
// log event
return true;
}
function allowance(address _owner, address _spender) constant public returns(uint){
return allowed[_owner][_spender];
}
} | transferFrom | function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(allowed[_from][msg.sender] >= _value
&& balances[_from] >= _value
&& contributionTime[_from] + WAITTIMEUNTILWITHDRAWORTRANSFER <= block.timestamp
&& _to != address(this)
&& _to != address(0));
// safely add to _to and subtract from _from, and subtract from allowed balances.
balances[_to] = SafeMath.add(balances[_to], _value);
balances[_from] = SafeMath.sub(balances[_from], _value);
allowed[_from][msg.sender] = SafeMath.sub(allowed[_from][msg.sender], _value);
// log event
emit Transfer(_from, _to, _value);
return true;
}
| // don't allow transfers before the required wait-time
// and don't allow transfers to the contract addr, it'll just kill tokens | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
14058,
14741
]
} | 60,050 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @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) {
uint256 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) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
| /**
* @dev Multiplies two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
89,
272
]
} | 60,051 |
|
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @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) {
uint256 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 c;
}
| /**
* @dev Integer division of two numbers, truncating the quotient.
*/ | NatSpecMultiLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
356,
629
]
} | 60,052 |
|
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @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) {
uint256 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 | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
743,
859
]
} | 60,053 |
|
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 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 c;
}
/**
* @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) {
uint256 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) {
uint256 c = a + b;
assert(c >= a);
return c;
}
| /**
* @dev Adds two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
923,
1059
]
} | 60,054 |
|
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetSlots | contract EOSBetSlots is usingOraclize, EOSBetGameInterface {
using SafeMath for *;
// events
event BuyCredits(bytes32 indexed oraclizeQueryId);
event LedgerProofFailed(bytes32 indexed oraclizeQueryId);
event Refund(bytes32 indexed oraclizeQueryId, uint256 amount);
event SlotsLargeBet(bytes32 indexed oraclizeQueryId, uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
event SlotsSmallBet(uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
// slots game structure
struct SlotsGameData {
address player;
bool paidOut;
uint256 start;
uint256 etherReceived;
uint8 credits;
}
mapping (bytes32 => SlotsGameData) public slotsData;
// ether in this contract can be in one of two locations:
uint256 public LIABILITIES;
uint256 public DEVELOPERSFUND;
// counters for frontend statistics
uint256 public AMOUNTWAGERED;
uint256 public DIALSSPUN;
// togglable values
uint256 public ORACLIZEQUERYMAXTIME;
uint256 public MINBET_perSPIN;
uint256 public MINBET_perTX;
uint256 public ORACLIZEGASPRICE;
uint256 public INITIALGASFORORACLIZE;
uint16 public MAXWIN_inTHOUSANDTHPERCENTS;
// togglable functionality of contract
bool public GAMEPAUSED;
bool public REFUNDSACTIVE;
// owner of contract
address public OWNER;
// bankroller address
address public BANKROLLER;
// constructor
function EOSBetSlots() public {
// ledger proof is ALWAYS verified on-chain
oraclize_setProof(proofType_Ledger);
// gas prices for oraclize call back, can be changed
oraclize_setCustomGasPrice(8000000000);
ORACLIZEGASPRICE = 8000000000;
INITIALGASFORORACLIZE = 225000;
AMOUNTWAGERED = 0;
DIALSSPUN = 0;
GAMEPAUSED = false;
REFUNDSACTIVE = true;
ORACLIZEQUERYMAXTIME = 6 hours;
MINBET_perSPIN = 2 finney; // currently, this is ~40-50c a spin, which is pretty average slots. This is changeable by OWNER
MINBET_perTX = 10 finney;
MAXWIN_inTHOUSANDTHPERCENTS = 333; // 333/1000 so a jackpot can take 33% of bankroll (extremely rare)
OWNER = msg.sender;
}
////////////////////////////////////
// INTERFACE CONTACT FUNCTIONS
////////////////////////////////////
function payDevelopersFund(address developer) public {
require(msg.sender == BANKROLLER);
uint256 devFund = DEVELOPERSFUND;
DEVELOPERSFUND = 0;
developer.transfer(devFund);
}
// just a function to receive eth, only allow the bankroll to use this
function receivePaymentForOraclize() payable public {
require(msg.sender == BANKROLLER);
}
////////////////////////////////////
// VIEW FUNCTIONS
////////////////////////////////////
function getMaxWin() public view returns(uint256){
return (SafeMath.mul(EOSBetBankrollInterface(BANKROLLER).getBankroll(), MAXWIN_inTHOUSANDTHPERCENTS) / 1000);
}
////////////////////////////////////
// OWNER ONLY FUNCTIONS
////////////////////////////////////
// WARNING!!!!! Can only set this function once!
function setBankrollerContractOnce(address bankrollAddress) public {
// require that BANKROLLER address == 0x0 (address not set yet), and coming from owner.
require(msg.sender == OWNER && BANKROLLER == address(0));
// check here to make sure that the bankroll contract is legitimate
// just make sure that calling the bankroll contract getBankroll() returns non-zero
require(EOSBetBankrollInterface(bankrollAddress).getBankroll() != 0);
BANKROLLER = bankrollAddress;
}
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function setOraclizeQueryMaxTime(uint256 newTime) public {
require(msg.sender == OWNER);
ORACLIZEQUERYMAXTIME = newTime;
}
// store the gas price as a storage variable for easy reference,
// and thne change the gas price using the proper oraclize function
function setOraclizeQueryGasPrice(uint256 gasPrice) public {
require(msg.sender == OWNER);
ORACLIZEGASPRICE = gasPrice;
oraclize_setCustomGasPrice(gasPrice);
}
// should be ~160,000 to save eth
function setInitialGasForOraclize(uint256 gasAmt) public {
require(msg.sender == OWNER);
INITIALGASFORORACLIZE = gasAmt;
}
function setGamePaused(bool paused) public {
require(msg.sender == OWNER);
GAMEPAUSED = paused;
}
function setRefundsActive(bool active) public {
require(msg.sender == OWNER);
REFUNDSACTIVE = active;
}
function setMinBetPerSpin(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perSPIN = minBet;
}
function setMinBetPerTx(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perTX = minBet;
}
function setMaxwin(uint16 newMaxWinInThousandthPercents) public {
require(msg.sender == OWNER && newMaxWinInThousandthPercents <= 333); // cannot set max win greater than 1/3 of the bankroll (a jackpot is very rare)
MAXWIN_inTHOUSANDTHPERCENTS = newMaxWinInThousandthPercents;
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
function refund(bytes32 oraclizeQueryId) public {
// save into memory for cheap access
SlotsGameData memory data = slotsData[oraclizeQueryId];
//require that the query time is too slow, bet has not been paid out, and either contract owner or player is calling this function.
require(SafeMath.sub(block.timestamp, data.start) >= ORACLIZEQUERYMAXTIME
&& (msg.sender == OWNER || msg.sender == data.player)
&& (!data.paidOut)
&& data.etherReceived <= LIABILITIES
&& data.etherReceived > 0
&& REFUNDSACTIVE);
// set contract data
slotsData[oraclizeQueryId].paidOut = true;
// subtract etherReceived from these two values because the bet is being refunded
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// then transfer the original bet to the player.
data.player.transfer(data.etherReceived);
// finally, log an event saying that the refund has processed.
emit Refund(oraclizeQueryId, data.etherReceived);
}
function play(uint8 credits) public payable {
// save for future use / gas efficiency
uint256 betPerCredit = msg.value / credits;
// require that the game is unpaused, and that the credits being purchased are greater than 0 and less than the allowed amount, default: 100 spins
// verify that the bet is less than or equal to the bet limit, so we don't go bankrupt, and that the etherreceived is greater than the minbet.
require(!GAMEPAUSED
&& msg.value >= MINBET_perTX
&& betPerCredit >= MINBET_perSPIN
&& credits > 0
&& credits <= 224
&& SafeMath.mul(betPerCredit, 5000) <= getMaxWin()); // 5000 is the jackpot payout (max win on a roll)
// equation for gas to oraclize is:
// gas = (some fixed gas amt) + 3270 * credits
uint256 gasToSend = INITIALGASFORORACLIZE + (uint256(3270) * credits);
EOSBetBankrollInterface(BANKROLLER).payOraclize(oraclize_getPrice('random', gasToSend));
// oraclize_newRandomDSQuery(delay in seconds, bytes of random data, gas for callback function)
bytes32 oraclizeQueryId = oraclize_newRandomDSQuery(0, 30, gasToSend);
// add the new slots data to a mapping so that the oraclize __callback can use it later
slotsData[oraclizeQueryId] = SlotsGameData({
player : msg.sender,
paidOut : false,
start : block.timestamp,
etherReceived : msg.value,
credits : credits
});
// add the sent value into liabilities. this should NOT go into the bankroll yet
// and must be quarantined here to prevent timing attacks
LIABILITIES = SafeMath.add(LIABILITIES, msg.value);
emit BuyCredits(oraclizeQueryId);
}
function __callback(bytes32 _queryId, string _result, bytes _proof) public {
// get the game data and put into memory
SlotsGameData memory data = slotsData[_queryId];
require(msg.sender == oraclize_cbAddress()
&& !data.paidOut
&& data.player != address(0)
&& LIABILITIES >= data.etherReceived);
// if the proof has failed, immediately refund the player the original bet.
if (oraclize_randomDS_proofVerify__returnCode(_queryId, _result, _proof) != 0){
if (REFUNDSACTIVE){
// set contract data
slotsData[_queryId].paidOut = true;
// subtract from liabilities and amount wagered, because this bet is being refunded.
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// transfer the original bet back
data.player.transfer(data.etherReceived);
// log the refund
emit Refund(_queryId, data.etherReceived);
}
// log the ledger proof fail
emit LedgerProofFailed(_queryId);
}
else {
// again, this block is almost identical to the previous block in the play(...) function
// instead of duplicating documentation, we will just point out the changes from the other block
uint256 dialsSpun;
uint8 dial1;
uint8 dial2;
uint8 dial3;
uint256[] memory logsData = new uint256[](8);
uint256 payout;
// must use data.credits instead of credits.
for (uint8 i = 0; i < data.credits; i++){
// all dials now use _result, instead of blockhash, this is the main change, and allows Slots to
// accomodate bets of any size, free of possible miner interference
dialsSpun += 1;
dial1 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial2 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial3 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
// dial 1
dial1 = getDial1Type(dial1);
// dial 2
dial2 = getDial2Type(dial2);
// dial 3
dial3 = getDial3Type(dial3);
// determine the payout
payout += determinePayout(dial1, dial2, dial3);
// assembling log data
if (i <= 27){
// in logsData0
logsData[0] += uint256(dial1) * uint256(2) ** (3 * ((3 * (27 - i)) + 2));
logsData[0] += uint256(dial2) * uint256(2) ** (3 * ((3 * (27 - i)) + 1));
logsData[0] += uint256(dial3) * uint256(2) ** (3 * ((3 * (27 - i))));
}
else if (i <= 55){
// in logsData1
logsData[1] += uint256(dial1) * uint256(2) ** (3 * ((3 * (55 - i)) + 2));
logsData[1] += uint256(dial2) * uint256(2) ** (3 * ((3 * (55 - i)) + 1));
logsData[1] += uint256(dial3) * uint256(2) ** (3 * ((3 * (55 - i))));
}
else if (i <= 83) {
// in logsData2
logsData[2] += uint256(dial1) * uint256(2) ** (3 * ((3 * (83 - i)) + 2));
logsData[2] += uint256(dial2) * uint256(2) ** (3 * ((3 * (83 - i)) + 1));
logsData[2] += uint256(dial3) * uint256(2) ** (3 * ((3 * (83 - i))));
}
else if (i <= 111) {
// in logsData3
logsData[3] += uint256(dial1) * uint256(2) ** (3 * ((3 * (111 - i)) + 2));
logsData[3] += uint256(dial2) * uint256(2) ** (3 * ((3 * (111 - i)) + 1));
logsData[3] += uint256(dial3) * uint256(2) ** (3 * ((3 * (111 - i))));
}
else if (i <= 139){
// in logsData4
logsData[4] += uint256(dial1) * uint256(2) ** (3 * ((3 * (139 - i)) + 2));
logsData[4] += uint256(dial2) * uint256(2) ** (3 * ((3 * (139 - i)) + 1));
logsData[4] += uint256(dial3) * uint256(2) ** (3 * ((3 * (139 - i))));
}
else if (i <= 167){
// in logsData5
logsData[5] += uint256(dial1) * uint256(2) ** (3 * ((3 * (167 - i)) + 2));
logsData[5] += uint256(dial2) * uint256(2) ** (3 * ((3 * (167 - i)) + 1));
logsData[5] += uint256(dial3) * uint256(2) ** (3 * ((3 * (167 - i))));
}
else if (i <= 195){
// in logsData6
logsData[6] += uint256(dial1) * uint256(2) ** (3 * ((3 * (195 - i)) + 2));
logsData[6] += uint256(dial2) * uint256(2) ** (3 * ((3 * (195 - i)) + 1));
logsData[6] += uint256(dial3) * uint256(2) ** (3 * ((3 * (195 - i))));
}
else if (i <= 223){
// in logsData7
logsData[7] += uint256(dial1) * uint256(2) ** (3 * ((3 * (223 - i)) + 2));
logsData[7] += uint256(dial2) * uint256(2) ** (3 * ((3 * (223 - i)) + 1));
logsData[7] += uint256(dial3) * uint256(2) ** (3 * ((3 * (223 - i))));
}
}
// track that these spins were made
DIALSSPUN += dialsSpun;
// and add the amount wagered
AMOUNTWAGERED = SafeMath.add(AMOUNTWAGERED, data.etherReceived);
// IMPORTANT: we must change the "paidOut" to TRUE here to prevent reentrancy/other nasty effects.
// this was not needed with the previous loop/code block, and is used because variables must be written into storage
slotsData[_queryId].paidOut = true;
// decrease LIABILITIES when the spins are made
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// get the developers cut, and send the rest of the ether received to the bankroller contract
uint256 developersCut = data.etherReceived / 100;
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
EOSBetBankrollInterface(BANKROLLER).receiveEtherFromGameAddress.value(SafeMath.sub(data.etherReceived, developersCut))();
// get the ether to be paid out, and force the bankroller contract to pay out the player
uint256 etherPaidout = SafeMath.mul((data.etherReceived / data.credits), payout);
EOSBetBankrollInterface(BANKROLLER).payEtherToWinner(etherPaidout, data.player);
// log en event with indexed query id
emit SlotsLargeBet(_queryId, logsData[0], logsData[1], logsData[2], logsData[3], logsData[4], logsData[5], logsData[6], logsData[7]);
}
}
// HELPER FUNCTIONS TO:
// calculate the result of the dials based on the hardcoded slot data:
// STOPS REEL#1 REEL#2 REEL#3
///////////////////////////////////////////
// gold ether 0 // 1 // 3 // 1 //
// silver ether 1 // 7 // 1 // 6 //
// bronze ether 2 // 1 // 7 // 6 //
// gold planet 3 // 5 // 7 // 6 //
// silverplanet 4 // 9 // 6 // 7 //
// bronzeplanet 5 // 9 // 8 // 6 //
// ---blank--- 6 // 32 // 32 // 32 //
///////////////////////////////////////////
// note that dial1 / 2 / 3 will go from mod 64 to mod 7 in this manner
function getDial1Type(uint8 dial1Location) internal pure returns(uint8) {
if (dial1Location == 0) { return 0; }
else if (dial1Location >= 1 && dial1Location <= 7) { return 1; }
else if (dial1Location == 8) { return 2; }
else if (dial1Location >= 9 && dial1Location <= 13) { return 3; }
else if (dial1Location >= 14 && dial1Location <= 22) { return 4; }
else if (dial1Location >= 23 && dial1Location <= 31) { return 5; }
else { return 6; }
}
function getDial2Type(uint8 dial2Location) internal pure returns(uint8) {
if (dial2Location >= 0 && dial2Location <= 2) { return 0; }
else if (dial2Location == 3) { return 1; }
else if (dial2Location >= 4 && dial2Location <= 10) { return 2; }
else if (dial2Location >= 11 && dial2Location <= 17) { return 3; }
else if (dial2Location >= 18 && dial2Location <= 23) { return 4; }
else if (dial2Location >= 24 && dial2Location <= 31) { return 5; }
else { return 6; }
}
function getDial3Type(uint8 dial3Location) internal pure returns(uint8) {
if (dial3Location == 0) { return 0; }
else if (dial3Location >= 1 && dial3Location <= 6) { return 1; }
else if (dial3Location >= 7 && dial3Location <= 12) { return 2; }
else if (dial3Location >= 13 && dial3Location <= 18) { return 3; }
else if (dial3Location >= 19 && dial3Location <= 25) { return 4; }
else if (dial3Location >= 26 && dial3Location <= 31) { return 5; }
else { return 6; }
}
// HELPER FUNCTION TO:
// determine the payout given dial locations based on this table
// hardcoded payouts data:
// LANDS ON // PAYS //
////////////////////////////////////////////////
// Bronze E -> Silver E -> Gold E // 5000 //
// 3x Gold Ether // 1777 //
// 3x Silver Ether // 250 //
// 3x Bronze Ether // 250 //
// Bronze P -> Silver P -> Gold P // 90 //
// 3x any Ether // 70 //
// 3x Gold Planet // 50 //
// 3x Silver Planet // 25 //
// Any Gold P & Silver P & Bronze P // 15 //
// 3x Bronze Planet // 10 //
// Any 3 planet type // 3 //
// Any 3 gold // 3 //
// Any 3 silver // 2 //
// Any 3 bronze // 2 //
// Blank, blank, blank // 1 //
// else // 0 //
////////////////////////////////////////////////
function determinePayout(uint8 dial1, uint8 dial2, uint8 dial3) internal pure returns(uint256) {
if (dial1 == 6 || dial2 == 6 || dial3 == 6){
// all blank
if (dial1 == 6 && dial2 == 6 && dial3 == 6)
return 1;
}
else if (dial1 == 5){
// bronze planet -> silver planet -> gold planet
if (dial2 == 4 && dial3 == 3)
return 90;
// one gold planet, one silver planet, one bronze planet, any order!
// note: other order covered above, return 90
else if (dial2 == 3 && dial3 == 4)
return 15;
// all bronze planet
else if (dial2 == 5 && dial3 == 5)
return 10;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 4){
// all silver planet
if (dial2 == 4 && dial3 == 4)
return 25;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 3 && dial3 == 5) || (dial2 == 5 && dial3 == 3))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 2;
}
else if (dial1 == 3){
// all gold planet
if (dial2 == 3 && dial3 == 3)
return 50;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 4 && dial3 == 5) || (dial2 == 5 && dial3 == 4))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
else if (dial1 == 2){
if (dial2 == 1 && dial3 == 0)
return 5000; // jackpot!!!!
// all bronze ether
else if (dial2 == 2 && dial3 == 2)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 1){
// all silver ether
if (dial2 == 1 && dial3 == 1)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 3;
}
else if (dial1 == 0){
// all gold ether
if (dial2 == 0 && dial3 == 0)
return 1777;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
return 0;
}
} | EOSBetSlots | function EOSBetSlots() public {
// ledger proof is ALWAYS verified on-chain
oraclize_setProof(proofType_Ledger);
// gas prices for oraclize call back, can be changed
oraclize_setCustomGasPrice(8000000000);
ORACLIZEGASPRICE = 8000000000;
INITIALGASFORORACLIZE = 225000;
AMOUNTWAGERED = 0;
DIALSSPUN = 0;
GAMEPAUSED = false;
REFUNDSACTIVE = true;
ORACLIZEQUERYMAXTIME = 6 hours;
MINBET_perSPIN = 2 finney; // currently, this is ~40-50c a spin, which is pretty average slots. This is changeable by OWNER
MINBET_perTX = 10 finney;
MAXWIN_inTHOUSANDTHPERCENTS = 333; // 333/1000 so a jackpot can take 33% of bankroll (extremely rare)
OWNER = msg.sender;
}
| // constructor | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
1505,
2225
]
} | 60,055 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetSlots | contract EOSBetSlots is usingOraclize, EOSBetGameInterface {
using SafeMath for *;
// events
event BuyCredits(bytes32 indexed oraclizeQueryId);
event LedgerProofFailed(bytes32 indexed oraclizeQueryId);
event Refund(bytes32 indexed oraclizeQueryId, uint256 amount);
event SlotsLargeBet(bytes32 indexed oraclizeQueryId, uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
event SlotsSmallBet(uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
// slots game structure
struct SlotsGameData {
address player;
bool paidOut;
uint256 start;
uint256 etherReceived;
uint8 credits;
}
mapping (bytes32 => SlotsGameData) public slotsData;
// ether in this contract can be in one of two locations:
uint256 public LIABILITIES;
uint256 public DEVELOPERSFUND;
// counters for frontend statistics
uint256 public AMOUNTWAGERED;
uint256 public DIALSSPUN;
// togglable values
uint256 public ORACLIZEQUERYMAXTIME;
uint256 public MINBET_perSPIN;
uint256 public MINBET_perTX;
uint256 public ORACLIZEGASPRICE;
uint256 public INITIALGASFORORACLIZE;
uint16 public MAXWIN_inTHOUSANDTHPERCENTS;
// togglable functionality of contract
bool public GAMEPAUSED;
bool public REFUNDSACTIVE;
// owner of contract
address public OWNER;
// bankroller address
address public BANKROLLER;
// constructor
function EOSBetSlots() public {
// ledger proof is ALWAYS verified on-chain
oraclize_setProof(proofType_Ledger);
// gas prices for oraclize call back, can be changed
oraclize_setCustomGasPrice(8000000000);
ORACLIZEGASPRICE = 8000000000;
INITIALGASFORORACLIZE = 225000;
AMOUNTWAGERED = 0;
DIALSSPUN = 0;
GAMEPAUSED = false;
REFUNDSACTIVE = true;
ORACLIZEQUERYMAXTIME = 6 hours;
MINBET_perSPIN = 2 finney; // currently, this is ~40-50c a spin, which is pretty average slots. This is changeable by OWNER
MINBET_perTX = 10 finney;
MAXWIN_inTHOUSANDTHPERCENTS = 333; // 333/1000 so a jackpot can take 33% of bankroll (extremely rare)
OWNER = msg.sender;
}
////////////////////////////////////
// INTERFACE CONTACT FUNCTIONS
////////////////////////////////////
function payDevelopersFund(address developer) public {
require(msg.sender == BANKROLLER);
uint256 devFund = DEVELOPERSFUND;
DEVELOPERSFUND = 0;
developer.transfer(devFund);
}
// just a function to receive eth, only allow the bankroll to use this
function receivePaymentForOraclize() payable public {
require(msg.sender == BANKROLLER);
}
////////////////////////////////////
// VIEW FUNCTIONS
////////////////////////////////////
function getMaxWin() public view returns(uint256){
return (SafeMath.mul(EOSBetBankrollInterface(BANKROLLER).getBankroll(), MAXWIN_inTHOUSANDTHPERCENTS) / 1000);
}
////////////////////////////////////
// OWNER ONLY FUNCTIONS
////////////////////////////////////
// WARNING!!!!! Can only set this function once!
function setBankrollerContractOnce(address bankrollAddress) public {
// require that BANKROLLER address == 0x0 (address not set yet), and coming from owner.
require(msg.sender == OWNER && BANKROLLER == address(0));
// check here to make sure that the bankroll contract is legitimate
// just make sure that calling the bankroll contract getBankroll() returns non-zero
require(EOSBetBankrollInterface(bankrollAddress).getBankroll() != 0);
BANKROLLER = bankrollAddress;
}
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function setOraclizeQueryMaxTime(uint256 newTime) public {
require(msg.sender == OWNER);
ORACLIZEQUERYMAXTIME = newTime;
}
// store the gas price as a storage variable for easy reference,
// and thne change the gas price using the proper oraclize function
function setOraclizeQueryGasPrice(uint256 gasPrice) public {
require(msg.sender == OWNER);
ORACLIZEGASPRICE = gasPrice;
oraclize_setCustomGasPrice(gasPrice);
}
// should be ~160,000 to save eth
function setInitialGasForOraclize(uint256 gasAmt) public {
require(msg.sender == OWNER);
INITIALGASFORORACLIZE = gasAmt;
}
function setGamePaused(bool paused) public {
require(msg.sender == OWNER);
GAMEPAUSED = paused;
}
function setRefundsActive(bool active) public {
require(msg.sender == OWNER);
REFUNDSACTIVE = active;
}
function setMinBetPerSpin(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perSPIN = minBet;
}
function setMinBetPerTx(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perTX = minBet;
}
function setMaxwin(uint16 newMaxWinInThousandthPercents) public {
require(msg.sender == OWNER && newMaxWinInThousandthPercents <= 333); // cannot set max win greater than 1/3 of the bankroll (a jackpot is very rare)
MAXWIN_inTHOUSANDTHPERCENTS = newMaxWinInThousandthPercents;
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
function refund(bytes32 oraclizeQueryId) public {
// save into memory for cheap access
SlotsGameData memory data = slotsData[oraclizeQueryId];
//require that the query time is too slow, bet has not been paid out, and either contract owner or player is calling this function.
require(SafeMath.sub(block.timestamp, data.start) >= ORACLIZEQUERYMAXTIME
&& (msg.sender == OWNER || msg.sender == data.player)
&& (!data.paidOut)
&& data.etherReceived <= LIABILITIES
&& data.etherReceived > 0
&& REFUNDSACTIVE);
// set contract data
slotsData[oraclizeQueryId].paidOut = true;
// subtract etherReceived from these two values because the bet is being refunded
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// then transfer the original bet to the player.
data.player.transfer(data.etherReceived);
// finally, log an event saying that the refund has processed.
emit Refund(oraclizeQueryId, data.etherReceived);
}
function play(uint8 credits) public payable {
// save for future use / gas efficiency
uint256 betPerCredit = msg.value / credits;
// require that the game is unpaused, and that the credits being purchased are greater than 0 and less than the allowed amount, default: 100 spins
// verify that the bet is less than or equal to the bet limit, so we don't go bankrupt, and that the etherreceived is greater than the minbet.
require(!GAMEPAUSED
&& msg.value >= MINBET_perTX
&& betPerCredit >= MINBET_perSPIN
&& credits > 0
&& credits <= 224
&& SafeMath.mul(betPerCredit, 5000) <= getMaxWin()); // 5000 is the jackpot payout (max win on a roll)
// equation for gas to oraclize is:
// gas = (some fixed gas amt) + 3270 * credits
uint256 gasToSend = INITIALGASFORORACLIZE + (uint256(3270) * credits);
EOSBetBankrollInterface(BANKROLLER).payOraclize(oraclize_getPrice('random', gasToSend));
// oraclize_newRandomDSQuery(delay in seconds, bytes of random data, gas for callback function)
bytes32 oraclizeQueryId = oraclize_newRandomDSQuery(0, 30, gasToSend);
// add the new slots data to a mapping so that the oraclize __callback can use it later
slotsData[oraclizeQueryId] = SlotsGameData({
player : msg.sender,
paidOut : false,
start : block.timestamp,
etherReceived : msg.value,
credits : credits
});
// add the sent value into liabilities. this should NOT go into the bankroll yet
// and must be quarantined here to prevent timing attacks
LIABILITIES = SafeMath.add(LIABILITIES, msg.value);
emit BuyCredits(oraclizeQueryId);
}
function __callback(bytes32 _queryId, string _result, bytes _proof) public {
// get the game data and put into memory
SlotsGameData memory data = slotsData[_queryId];
require(msg.sender == oraclize_cbAddress()
&& !data.paidOut
&& data.player != address(0)
&& LIABILITIES >= data.etherReceived);
// if the proof has failed, immediately refund the player the original bet.
if (oraclize_randomDS_proofVerify__returnCode(_queryId, _result, _proof) != 0){
if (REFUNDSACTIVE){
// set contract data
slotsData[_queryId].paidOut = true;
// subtract from liabilities and amount wagered, because this bet is being refunded.
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// transfer the original bet back
data.player.transfer(data.etherReceived);
// log the refund
emit Refund(_queryId, data.etherReceived);
}
// log the ledger proof fail
emit LedgerProofFailed(_queryId);
}
else {
// again, this block is almost identical to the previous block in the play(...) function
// instead of duplicating documentation, we will just point out the changes from the other block
uint256 dialsSpun;
uint8 dial1;
uint8 dial2;
uint8 dial3;
uint256[] memory logsData = new uint256[](8);
uint256 payout;
// must use data.credits instead of credits.
for (uint8 i = 0; i < data.credits; i++){
// all dials now use _result, instead of blockhash, this is the main change, and allows Slots to
// accomodate bets of any size, free of possible miner interference
dialsSpun += 1;
dial1 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial2 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial3 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
// dial 1
dial1 = getDial1Type(dial1);
// dial 2
dial2 = getDial2Type(dial2);
// dial 3
dial3 = getDial3Type(dial3);
// determine the payout
payout += determinePayout(dial1, dial2, dial3);
// assembling log data
if (i <= 27){
// in logsData0
logsData[0] += uint256(dial1) * uint256(2) ** (3 * ((3 * (27 - i)) + 2));
logsData[0] += uint256(dial2) * uint256(2) ** (3 * ((3 * (27 - i)) + 1));
logsData[0] += uint256(dial3) * uint256(2) ** (3 * ((3 * (27 - i))));
}
else if (i <= 55){
// in logsData1
logsData[1] += uint256(dial1) * uint256(2) ** (3 * ((3 * (55 - i)) + 2));
logsData[1] += uint256(dial2) * uint256(2) ** (3 * ((3 * (55 - i)) + 1));
logsData[1] += uint256(dial3) * uint256(2) ** (3 * ((3 * (55 - i))));
}
else if (i <= 83) {
// in logsData2
logsData[2] += uint256(dial1) * uint256(2) ** (3 * ((3 * (83 - i)) + 2));
logsData[2] += uint256(dial2) * uint256(2) ** (3 * ((3 * (83 - i)) + 1));
logsData[2] += uint256(dial3) * uint256(2) ** (3 * ((3 * (83 - i))));
}
else if (i <= 111) {
// in logsData3
logsData[3] += uint256(dial1) * uint256(2) ** (3 * ((3 * (111 - i)) + 2));
logsData[3] += uint256(dial2) * uint256(2) ** (3 * ((3 * (111 - i)) + 1));
logsData[3] += uint256(dial3) * uint256(2) ** (3 * ((3 * (111 - i))));
}
else if (i <= 139){
// in logsData4
logsData[4] += uint256(dial1) * uint256(2) ** (3 * ((3 * (139 - i)) + 2));
logsData[4] += uint256(dial2) * uint256(2) ** (3 * ((3 * (139 - i)) + 1));
logsData[4] += uint256(dial3) * uint256(2) ** (3 * ((3 * (139 - i))));
}
else if (i <= 167){
// in logsData5
logsData[5] += uint256(dial1) * uint256(2) ** (3 * ((3 * (167 - i)) + 2));
logsData[5] += uint256(dial2) * uint256(2) ** (3 * ((3 * (167 - i)) + 1));
logsData[5] += uint256(dial3) * uint256(2) ** (3 * ((3 * (167 - i))));
}
else if (i <= 195){
// in logsData6
logsData[6] += uint256(dial1) * uint256(2) ** (3 * ((3 * (195 - i)) + 2));
logsData[6] += uint256(dial2) * uint256(2) ** (3 * ((3 * (195 - i)) + 1));
logsData[6] += uint256(dial3) * uint256(2) ** (3 * ((3 * (195 - i))));
}
else if (i <= 223){
// in logsData7
logsData[7] += uint256(dial1) * uint256(2) ** (3 * ((3 * (223 - i)) + 2));
logsData[7] += uint256(dial2) * uint256(2) ** (3 * ((3 * (223 - i)) + 1));
logsData[7] += uint256(dial3) * uint256(2) ** (3 * ((3 * (223 - i))));
}
}
// track that these spins were made
DIALSSPUN += dialsSpun;
// and add the amount wagered
AMOUNTWAGERED = SafeMath.add(AMOUNTWAGERED, data.etherReceived);
// IMPORTANT: we must change the "paidOut" to TRUE here to prevent reentrancy/other nasty effects.
// this was not needed with the previous loop/code block, and is used because variables must be written into storage
slotsData[_queryId].paidOut = true;
// decrease LIABILITIES when the spins are made
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// get the developers cut, and send the rest of the ether received to the bankroller contract
uint256 developersCut = data.etherReceived / 100;
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
EOSBetBankrollInterface(BANKROLLER).receiveEtherFromGameAddress.value(SafeMath.sub(data.etherReceived, developersCut))();
// get the ether to be paid out, and force the bankroller contract to pay out the player
uint256 etherPaidout = SafeMath.mul((data.etherReceived / data.credits), payout);
EOSBetBankrollInterface(BANKROLLER).payEtherToWinner(etherPaidout, data.player);
// log en event with indexed query id
emit SlotsLargeBet(_queryId, logsData[0], logsData[1], logsData[2], logsData[3], logsData[4], logsData[5], logsData[6], logsData[7]);
}
}
// HELPER FUNCTIONS TO:
// calculate the result of the dials based on the hardcoded slot data:
// STOPS REEL#1 REEL#2 REEL#3
///////////////////////////////////////////
// gold ether 0 // 1 // 3 // 1 //
// silver ether 1 // 7 // 1 // 6 //
// bronze ether 2 // 1 // 7 // 6 //
// gold planet 3 // 5 // 7 // 6 //
// silverplanet 4 // 9 // 6 // 7 //
// bronzeplanet 5 // 9 // 8 // 6 //
// ---blank--- 6 // 32 // 32 // 32 //
///////////////////////////////////////////
// note that dial1 / 2 / 3 will go from mod 64 to mod 7 in this manner
function getDial1Type(uint8 dial1Location) internal pure returns(uint8) {
if (dial1Location == 0) { return 0; }
else if (dial1Location >= 1 && dial1Location <= 7) { return 1; }
else if (dial1Location == 8) { return 2; }
else if (dial1Location >= 9 && dial1Location <= 13) { return 3; }
else if (dial1Location >= 14 && dial1Location <= 22) { return 4; }
else if (dial1Location >= 23 && dial1Location <= 31) { return 5; }
else { return 6; }
}
function getDial2Type(uint8 dial2Location) internal pure returns(uint8) {
if (dial2Location >= 0 && dial2Location <= 2) { return 0; }
else if (dial2Location == 3) { return 1; }
else if (dial2Location >= 4 && dial2Location <= 10) { return 2; }
else if (dial2Location >= 11 && dial2Location <= 17) { return 3; }
else if (dial2Location >= 18 && dial2Location <= 23) { return 4; }
else if (dial2Location >= 24 && dial2Location <= 31) { return 5; }
else { return 6; }
}
function getDial3Type(uint8 dial3Location) internal pure returns(uint8) {
if (dial3Location == 0) { return 0; }
else if (dial3Location >= 1 && dial3Location <= 6) { return 1; }
else if (dial3Location >= 7 && dial3Location <= 12) { return 2; }
else if (dial3Location >= 13 && dial3Location <= 18) { return 3; }
else if (dial3Location >= 19 && dial3Location <= 25) { return 4; }
else if (dial3Location >= 26 && dial3Location <= 31) { return 5; }
else { return 6; }
}
// HELPER FUNCTION TO:
// determine the payout given dial locations based on this table
// hardcoded payouts data:
// LANDS ON // PAYS //
////////////////////////////////////////////////
// Bronze E -> Silver E -> Gold E // 5000 //
// 3x Gold Ether // 1777 //
// 3x Silver Ether // 250 //
// 3x Bronze Ether // 250 //
// Bronze P -> Silver P -> Gold P // 90 //
// 3x any Ether // 70 //
// 3x Gold Planet // 50 //
// 3x Silver Planet // 25 //
// Any Gold P & Silver P & Bronze P // 15 //
// 3x Bronze Planet // 10 //
// Any 3 planet type // 3 //
// Any 3 gold // 3 //
// Any 3 silver // 2 //
// Any 3 bronze // 2 //
// Blank, blank, blank // 1 //
// else // 0 //
////////////////////////////////////////////////
function determinePayout(uint8 dial1, uint8 dial2, uint8 dial3) internal pure returns(uint256) {
if (dial1 == 6 || dial2 == 6 || dial3 == 6){
// all blank
if (dial1 == 6 && dial2 == 6 && dial3 == 6)
return 1;
}
else if (dial1 == 5){
// bronze planet -> silver planet -> gold planet
if (dial2 == 4 && dial3 == 3)
return 90;
// one gold planet, one silver planet, one bronze planet, any order!
// note: other order covered above, return 90
else if (dial2 == 3 && dial3 == 4)
return 15;
// all bronze planet
else if (dial2 == 5 && dial3 == 5)
return 10;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 4){
// all silver planet
if (dial2 == 4 && dial3 == 4)
return 25;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 3 && dial3 == 5) || (dial2 == 5 && dial3 == 3))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 2;
}
else if (dial1 == 3){
// all gold planet
if (dial2 == 3 && dial3 == 3)
return 50;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 4 && dial3 == 5) || (dial2 == 5 && dial3 == 4))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
else if (dial1 == 2){
if (dial2 == 1 && dial3 == 0)
return 5000; // jackpot!!!!
// all bronze ether
else if (dial2 == 2 && dial3 == 2)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 1){
// all silver ether
if (dial2 == 1 && dial3 == 1)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 3;
}
else if (dial1 == 0){
// all gold ether
if (dial2 == 0 && dial3 == 0)
return 1777;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
return 0;
}
} | payDevelopersFund | function payDevelopersFund(address developer) public {
require(msg.sender == BANKROLLER);
uint256 devFund = DEVELOPERSFUND;
DEVELOPERSFUND = 0;
developer.transfer(devFund);
}
| //////////////////////////////////// | NatSpecSingleLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
2341,
2537
]
} | 60,056 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetSlots | contract EOSBetSlots is usingOraclize, EOSBetGameInterface {
using SafeMath for *;
// events
event BuyCredits(bytes32 indexed oraclizeQueryId);
event LedgerProofFailed(bytes32 indexed oraclizeQueryId);
event Refund(bytes32 indexed oraclizeQueryId, uint256 amount);
event SlotsLargeBet(bytes32 indexed oraclizeQueryId, uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
event SlotsSmallBet(uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
// slots game structure
struct SlotsGameData {
address player;
bool paidOut;
uint256 start;
uint256 etherReceived;
uint8 credits;
}
mapping (bytes32 => SlotsGameData) public slotsData;
// ether in this contract can be in one of two locations:
uint256 public LIABILITIES;
uint256 public DEVELOPERSFUND;
// counters for frontend statistics
uint256 public AMOUNTWAGERED;
uint256 public DIALSSPUN;
// togglable values
uint256 public ORACLIZEQUERYMAXTIME;
uint256 public MINBET_perSPIN;
uint256 public MINBET_perTX;
uint256 public ORACLIZEGASPRICE;
uint256 public INITIALGASFORORACLIZE;
uint16 public MAXWIN_inTHOUSANDTHPERCENTS;
// togglable functionality of contract
bool public GAMEPAUSED;
bool public REFUNDSACTIVE;
// owner of contract
address public OWNER;
// bankroller address
address public BANKROLLER;
// constructor
function EOSBetSlots() public {
// ledger proof is ALWAYS verified on-chain
oraclize_setProof(proofType_Ledger);
// gas prices for oraclize call back, can be changed
oraclize_setCustomGasPrice(8000000000);
ORACLIZEGASPRICE = 8000000000;
INITIALGASFORORACLIZE = 225000;
AMOUNTWAGERED = 0;
DIALSSPUN = 0;
GAMEPAUSED = false;
REFUNDSACTIVE = true;
ORACLIZEQUERYMAXTIME = 6 hours;
MINBET_perSPIN = 2 finney; // currently, this is ~40-50c a spin, which is pretty average slots. This is changeable by OWNER
MINBET_perTX = 10 finney;
MAXWIN_inTHOUSANDTHPERCENTS = 333; // 333/1000 so a jackpot can take 33% of bankroll (extremely rare)
OWNER = msg.sender;
}
////////////////////////////////////
// INTERFACE CONTACT FUNCTIONS
////////////////////////////////////
function payDevelopersFund(address developer) public {
require(msg.sender == BANKROLLER);
uint256 devFund = DEVELOPERSFUND;
DEVELOPERSFUND = 0;
developer.transfer(devFund);
}
// just a function to receive eth, only allow the bankroll to use this
function receivePaymentForOraclize() payable public {
require(msg.sender == BANKROLLER);
}
////////////////////////////////////
// VIEW FUNCTIONS
////////////////////////////////////
function getMaxWin() public view returns(uint256){
return (SafeMath.mul(EOSBetBankrollInterface(BANKROLLER).getBankroll(), MAXWIN_inTHOUSANDTHPERCENTS) / 1000);
}
////////////////////////////////////
// OWNER ONLY FUNCTIONS
////////////////////////////////////
// WARNING!!!!! Can only set this function once!
function setBankrollerContractOnce(address bankrollAddress) public {
// require that BANKROLLER address == 0x0 (address not set yet), and coming from owner.
require(msg.sender == OWNER && BANKROLLER == address(0));
// check here to make sure that the bankroll contract is legitimate
// just make sure that calling the bankroll contract getBankroll() returns non-zero
require(EOSBetBankrollInterface(bankrollAddress).getBankroll() != 0);
BANKROLLER = bankrollAddress;
}
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function setOraclizeQueryMaxTime(uint256 newTime) public {
require(msg.sender == OWNER);
ORACLIZEQUERYMAXTIME = newTime;
}
// store the gas price as a storage variable for easy reference,
// and thne change the gas price using the proper oraclize function
function setOraclizeQueryGasPrice(uint256 gasPrice) public {
require(msg.sender == OWNER);
ORACLIZEGASPRICE = gasPrice;
oraclize_setCustomGasPrice(gasPrice);
}
// should be ~160,000 to save eth
function setInitialGasForOraclize(uint256 gasAmt) public {
require(msg.sender == OWNER);
INITIALGASFORORACLIZE = gasAmt;
}
function setGamePaused(bool paused) public {
require(msg.sender == OWNER);
GAMEPAUSED = paused;
}
function setRefundsActive(bool active) public {
require(msg.sender == OWNER);
REFUNDSACTIVE = active;
}
function setMinBetPerSpin(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perSPIN = minBet;
}
function setMinBetPerTx(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perTX = minBet;
}
function setMaxwin(uint16 newMaxWinInThousandthPercents) public {
require(msg.sender == OWNER && newMaxWinInThousandthPercents <= 333); // cannot set max win greater than 1/3 of the bankroll (a jackpot is very rare)
MAXWIN_inTHOUSANDTHPERCENTS = newMaxWinInThousandthPercents;
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
function refund(bytes32 oraclizeQueryId) public {
// save into memory for cheap access
SlotsGameData memory data = slotsData[oraclizeQueryId];
//require that the query time is too slow, bet has not been paid out, and either contract owner or player is calling this function.
require(SafeMath.sub(block.timestamp, data.start) >= ORACLIZEQUERYMAXTIME
&& (msg.sender == OWNER || msg.sender == data.player)
&& (!data.paidOut)
&& data.etherReceived <= LIABILITIES
&& data.etherReceived > 0
&& REFUNDSACTIVE);
// set contract data
slotsData[oraclizeQueryId].paidOut = true;
// subtract etherReceived from these two values because the bet is being refunded
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// then transfer the original bet to the player.
data.player.transfer(data.etherReceived);
// finally, log an event saying that the refund has processed.
emit Refund(oraclizeQueryId, data.etherReceived);
}
function play(uint8 credits) public payable {
// save for future use / gas efficiency
uint256 betPerCredit = msg.value / credits;
// require that the game is unpaused, and that the credits being purchased are greater than 0 and less than the allowed amount, default: 100 spins
// verify that the bet is less than or equal to the bet limit, so we don't go bankrupt, and that the etherreceived is greater than the minbet.
require(!GAMEPAUSED
&& msg.value >= MINBET_perTX
&& betPerCredit >= MINBET_perSPIN
&& credits > 0
&& credits <= 224
&& SafeMath.mul(betPerCredit, 5000) <= getMaxWin()); // 5000 is the jackpot payout (max win on a roll)
// equation for gas to oraclize is:
// gas = (some fixed gas amt) + 3270 * credits
uint256 gasToSend = INITIALGASFORORACLIZE + (uint256(3270) * credits);
EOSBetBankrollInterface(BANKROLLER).payOraclize(oraclize_getPrice('random', gasToSend));
// oraclize_newRandomDSQuery(delay in seconds, bytes of random data, gas for callback function)
bytes32 oraclizeQueryId = oraclize_newRandomDSQuery(0, 30, gasToSend);
// add the new slots data to a mapping so that the oraclize __callback can use it later
slotsData[oraclizeQueryId] = SlotsGameData({
player : msg.sender,
paidOut : false,
start : block.timestamp,
etherReceived : msg.value,
credits : credits
});
// add the sent value into liabilities. this should NOT go into the bankroll yet
// and must be quarantined here to prevent timing attacks
LIABILITIES = SafeMath.add(LIABILITIES, msg.value);
emit BuyCredits(oraclizeQueryId);
}
function __callback(bytes32 _queryId, string _result, bytes _proof) public {
// get the game data and put into memory
SlotsGameData memory data = slotsData[_queryId];
require(msg.sender == oraclize_cbAddress()
&& !data.paidOut
&& data.player != address(0)
&& LIABILITIES >= data.etherReceived);
// if the proof has failed, immediately refund the player the original bet.
if (oraclize_randomDS_proofVerify__returnCode(_queryId, _result, _proof) != 0){
if (REFUNDSACTIVE){
// set contract data
slotsData[_queryId].paidOut = true;
// subtract from liabilities and amount wagered, because this bet is being refunded.
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// transfer the original bet back
data.player.transfer(data.etherReceived);
// log the refund
emit Refund(_queryId, data.etherReceived);
}
// log the ledger proof fail
emit LedgerProofFailed(_queryId);
}
else {
// again, this block is almost identical to the previous block in the play(...) function
// instead of duplicating documentation, we will just point out the changes from the other block
uint256 dialsSpun;
uint8 dial1;
uint8 dial2;
uint8 dial3;
uint256[] memory logsData = new uint256[](8);
uint256 payout;
// must use data.credits instead of credits.
for (uint8 i = 0; i < data.credits; i++){
// all dials now use _result, instead of blockhash, this is the main change, and allows Slots to
// accomodate bets of any size, free of possible miner interference
dialsSpun += 1;
dial1 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial2 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial3 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
// dial 1
dial1 = getDial1Type(dial1);
// dial 2
dial2 = getDial2Type(dial2);
// dial 3
dial3 = getDial3Type(dial3);
// determine the payout
payout += determinePayout(dial1, dial2, dial3);
// assembling log data
if (i <= 27){
// in logsData0
logsData[0] += uint256(dial1) * uint256(2) ** (3 * ((3 * (27 - i)) + 2));
logsData[0] += uint256(dial2) * uint256(2) ** (3 * ((3 * (27 - i)) + 1));
logsData[0] += uint256(dial3) * uint256(2) ** (3 * ((3 * (27 - i))));
}
else if (i <= 55){
// in logsData1
logsData[1] += uint256(dial1) * uint256(2) ** (3 * ((3 * (55 - i)) + 2));
logsData[1] += uint256(dial2) * uint256(2) ** (3 * ((3 * (55 - i)) + 1));
logsData[1] += uint256(dial3) * uint256(2) ** (3 * ((3 * (55 - i))));
}
else if (i <= 83) {
// in logsData2
logsData[2] += uint256(dial1) * uint256(2) ** (3 * ((3 * (83 - i)) + 2));
logsData[2] += uint256(dial2) * uint256(2) ** (3 * ((3 * (83 - i)) + 1));
logsData[2] += uint256(dial3) * uint256(2) ** (3 * ((3 * (83 - i))));
}
else if (i <= 111) {
// in logsData3
logsData[3] += uint256(dial1) * uint256(2) ** (3 * ((3 * (111 - i)) + 2));
logsData[3] += uint256(dial2) * uint256(2) ** (3 * ((3 * (111 - i)) + 1));
logsData[3] += uint256(dial3) * uint256(2) ** (3 * ((3 * (111 - i))));
}
else if (i <= 139){
// in logsData4
logsData[4] += uint256(dial1) * uint256(2) ** (3 * ((3 * (139 - i)) + 2));
logsData[4] += uint256(dial2) * uint256(2) ** (3 * ((3 * (139 - i)) + 1));
logsData[4] += uint256(dial3) * uint256(2) ** (3 * ((3 * (139 - i))));
}
else if (i <= 167){
// in logsData5
logsData[5] += uint256(dial1) * uint256(2) ** (3 * ((3 * (167 - i)) + 2));
logsData[5] += uint256(dial2) * uint256(2) ** (3 * ((3 * (167 - i)) + 1));
logsData[5] += uint256(dial3) * uint256(2) ** (3 * ((3 * (167 - i))));
}
else if (i <= 195){
// in logsData6
logsData[6] += uint256(dial1) * uint256(2) ** (3 * ((3 * (195 - i)) + 2));
logsData[6] += uint256(dial2) * uint256(2) ** (3 * ((3 * (195 - i)) + 1));
logsData[6] += uint256(dial3) * uint256(2) ** (3 * ((3 * (195 - i))));
}
else if (i <= 223){
// in logsData7
logsData[7] += uint256(dial1) * uint256(2) ** (3 * ((3 * (223 - i)) + 2));
logsData[7] += uint256(dial2) * uint256(2) ** (3 * ((3 * (223 - i)) + 1));
logsData[7] += uint256(dial3) * uint256(2) ** (3 * ((3 * (223 - i))));
}
}
// track that these spins were made
DIALSSPUN += dialsSpun;
// and add the amount wagered
AMOUNTWAGERED = SafeMath.add(AMOUNTWAGERED, data.etherReceived);
// IMPORTANT: we must change the "paidOut" to TRUE here to prevent reentrancy/other nasty effects.
// this was not needed with the previous loop/code block, and is used because variables must be written into storage
slotsData[_queryId].paidOut = true;
// decrease LIABILITIES when the spins are made
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// get the developers cut, and send the rest of the ether received to the bankroller contract
uint256 developersCut = data.etherReceived / 100;
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
EOSBetBankrollInterface(BANKROLLER).receiveEtherFromGameAddress.value(SafeMath.sub(data.etherReceived, developersCut))();
// get the ether to be paid out, and force the bankroller contract to pay out the player
uint256 etherPaidout = SafeMath.mul((data.etherReceived / data.credits), payout);
EOSBetBankrollInterface(BANKROLLER).payEtherToWinner(etherPaidout, data.player);
// log en event with indexed query id
emit SlotsLargeBet(_queryId, logsData[0], logsData[1], logsData[2], logsData[3], logsData[4], logsData[5], logsData[6], logsData[7]);
}
}
// HELPER FUNCTIONS TO:
// calculate the result of the dials based on the hardcoded slot data:
// STOPS REEL#1 REEL#2 REEL#3
///////////////////////////////////////////
// gold ether 0 // 1 // 3 // 1 //
// silver ether 1 // 7 // 1 // 6 //
// bronze ether 2 // 1 // 7 // 6 //
// gold planet 3 // 5 // 7 // 6 //
// silverplanet 4 // 9 // 6 // 7 //
// bronzeplanet 5 // 9 // 8 // 6 //
// ---blank--- 6 // 32 // 32 // 32 //
///////////////////////////////////////////
// note that dial1 / 2 / 3 will go from mod 64 to mod 7 in this manner
function getDial1Type(uint8 dial1Location) internal pure returns(uint8) {
if (dial1Location == 0) { return 0; }
else if (dial1Location >= 1 && dial1Location <= 7) { return 1; }
else if (dial1Location == 8) { return 2; }
else if (dial1Location >= 9 && dial1Location <= 13) { return 3; }
else if (dial1Location >= 14 && dial1Location <= 22) { return 4; }
else if (dial1Location >= 23 && dial1Location <= 31) { return 5; }
else { return 6; }
}
function getDial2Type(uint8 dial2Location) internal pure returns(uint8) {
if (dial2Location >= 0 && dial2Location <= 2) { return 0; }
else if (dial2Location == 3) { return 1; }
else if (dial2Location >= 4 && dial2Location <= 10) { return 2; }
else if (dial2Location >= 11 && dial2Location <= 17) { return 3; }
else if (dial2Location >= 18 && dial2Location <= 23) { return 4; }
else if (dial2Location >= 24 && dial2Location <= 31) { return 5; }
else { return 6; }
}
function getDial3Type(uint8 dial3Location) internal pure returns(uint8) {
if (dial3Location == 0) { return 0; }
else if (dial3Location >= 1 && dial3Location <= 6) { return 1; }
else if (dial3Location >= 7 && dial3Location <= 12) { return 2; }
else if (dial3Location >= 13 && dial3Location <= 18) { return 3; }
else if (dial3Location >= 19 && dial3Location <= 25) { return 4; }
else if (dial3Location >= 26 && dial3Location <= 31) { return 5; }
else { return 6; }
}
// HELPER FUNCTION TO:
// determine the payout given dial locations based on this table
// hardcoded payouts data:
// LANDS ON // PAYS //
////////////////////////////////////////////////
// Bronze E -> Silver E -> Gold E // 5000 //
// 3x Gold Ether // 1777 //
// 3x Silver Ether // 250 //
// 3x Bronze Ether // 250 //
// Bronze P -> Silver P -> Gold P // 90 //
// 3x any Ether // 70 //
// 3x Gold Planet // 50 //
// 3x Silver Planet // 25 //
// Any Gold P & Silver P & Bronze P // 15 //
// 3x Bronze Planet // 10 //
// Any 3 planet type // 3 //
// Any 3 gold // 3 //
// Any 3 silver // 2 //
// Any 3 bronze // 2 //
// Blank, blank, blank // 1 //
// else // 0 //
////////////////////////////////////////////////
function determinePayout(uint8 dial1, uint8 dial2, uint8 dial3) internal pure returns(uint256) {
if (dial1 == 6 || dial2 == 6 || dial3 == 6){
// all blank
if (dial1 == 6 && dial2 == 6 && dial3 == 6)
return 1;
}
else if (dial1 == 5){
// bronze planet -> silver planet -> gold planet
if (dial2 == 4 && dial3 == 3)
return 90;
// one gold planet, one silver planet, one bronze planet, any order!
// note: other order covered above, return 90
else if (dial2 == 3 && dial3 == 4)
return 15;
// all bronze planet
else if (dial2 == 5 && dial3 == 5)
return 10;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 4){
// all silver planet
if (dial2 == 4 && dial3 == 4)
return 25;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 3 && dial3 == 5) || (dial2 == 5 && dial3 == 3))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 2;
}
else if (dial1 == 3){
// all gold planet
if (dial2 == 3 && dial3 == 3)
return 50;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 4 && dial3 == 5) || (dial2 == 5 && dial3 == 4))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
else if (dial1 == 2){
if (dial2 == 1 && dial3 == 0)
return 5000; // jackpot!!!!
// all bronze ether
else if (dial2 == 2 && dial3 == 2)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 1){
// all silver ether
if (dial2 == 1 && dial3 == 1)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 3;
}
else if (dial1 == 0){
// all gold ether
if (dial2 == 0 && dial3 == 0)
return 1777;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
return 0;
}
} | receivePaymentForOraclize | function receivePaymentForOraclize() payable public {
require(msg.sender == BANKROLLER);
}
| // just a function to receive eth, only allow the bankroll to use this | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
2613,
2710
]
} | 60,057 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetSlots | contract EOSBetSlots is usingOraclize, EOSBetGameInterface {
using SafeMath for *;
// events
event BuyCredits(bytes32 indexed oraclizeQueryId);
event LedgerProofFailed(bytes32 indexed oraclizeQueryId);
event Refund(bytes32 indexed oraclizeQueryId, uint256 amount);
event SlotsLargeBet(bytes32 indexed oraclizeQueryId, uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
event SlotsSmallBet(uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
// slots game structure
struct SlotsGameData {
address player;
bool paidOut;
uint256 start;
uint256 etherReceived;
uint8 credits;
}
mapping (bytes32 => SlotsGameData) public slotsData;
// ether in this contract can be in one of two locations:
uint256 public LIABILITIES;
uint256 public DEVELOPERSFUND;
// counters for frontend statistics
uint256 public AMOUNTWAGERED;
uint256 public DIALSSPUN;
// togglable values
uint256 public ORACLIZEQUERYMAXTIME;
uint256 public MINBET_perSPIN;
uint256 public MINBET_perTX;
uint256 public ORACLIZEGASPRICE;
uint256 public INITIALGASFORORACLIZE;
uint16 public MAXWIN_inTHOUSANDTHPERCENTS;
// togglable functionality of contract
bool public GAMEPAUSED;
bool public REFUNDSACTIVE;
// owner of contract
address public OWNER;
// bankroller address
address public BANKROLLER;
// constructor
function EOSBetSlots() public {
// ledger proof is ALWAYS verified on-chain
oraclize_setProof(proofType_Ledger);
// gas prices for oraclize call back, can be changed
oraclize_setCustomGasPrice(8000000000);
ORACLIZEGASPRICE = 8000000000;
INITIALGASFORORACLIZE = 225000;
AMOUNTWAGERED = 0;
DIALSSPUN = 0;
GAMEPAUSED = false;
REFUNDSACTIVE = true;
ORACLIZEQUERYMAXTIME = 6 hours;
MINBET_perSPIN = 2 finney; // currently, this is ~40-50c a spin, which is pretty average slots. This is changeable by OWNER
MINBET_perTX = 10 finney;
MAXWIN_inTHOUSANDTHPERCENTS = 333; // 333/1000 so a jackpot can take 33% of bankroll (extremely rare)
OWNER = msg.sender;
}
////////////////////////////////////
// INTERFACE CONTACT FUNCTIONS
////////////////////////////////////
function payDevelopersFund(address developer) public {
require(msg.sender == BANKROLLER);
uint256 devFund = DEVELOPERSFUND;
DEVELOPERSFUND = 0;
developer.transfer(devFund);
}
// just a function to receive eth, only allow the bankroll to use this
function receivePaymentForOraclize() payable public {
require(msg.sender == BANKROLLER);
}
////////////////////////////////////
// VIEW FUNCTIONS
////////////////////////////////////
function getMaxWin() public view returns(uint256){
return (SafeMath.mul(EOSBetBankrollInterface(BANKROLLER).getBankroll(), MAXWIN_inTHOUSANDTHPERCENTS) / 1000);
}
////////////////////////////////////
// OWNER ONLY FUNCTIONS
////////////////////////////////////
// WARNING!!!!! Can only set this function once!
function setBankrollerContractOnce(address bankrollAddress) public {
// require that BANKROLLER address == 0x0 (address not set yet), and coming from owner.
require(msg.sender == OWNER && BANKROLLER == address(0));
// check here to make sure that the bankroll contract is legitimate
// just make sure that calling the bankroll contract getBankroll() returns non-zero
require(EOSBetBankrollInterface(bankrollAddress).getBankroll() != 0);
BANKROLLER = bankrollAddress;
}
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function setOraclizeQueryMaxTime(uint256 newTime) public {
require(msg.sender == OWNER);
ORACLIZEQUERYMAXTIME = newTime;
}
// store the gas price as a storage variable for easy reference,
// and thne change the gas price using the proper oraclize function
function setOraclizeQueryGasPrice(uint256 gasPrice) public {
require(msg.sender == OWNER);
ORACLIZEGASPRICE = gasPrice;
oraclize_setCustomGasPrice(gasPrice);
}
// should be ~160,000 to save eth
function setInitialGasForOraclize(uint256 gasAmt) public {
require(msg.sender == OWNER);
INITIALGASFORORACLIZE = gasAmt;
}
function setGamePaused(bool paused) public {
require(msg.sender == OWNER);
GAMEPAUSED = paused;
}
function setRefundsActive(bool active) public {
require(msg.sender == OWNER);
REFUNDSACTIVE = active;
}
function setMinBetPerSpin(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perSPIN = minBet;
}
function setMinBetPerTx(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perTX = minBet;
}
function setMaxwin(uint16 newMaxWinInThousandthPercents) public {
require(msg.sender == OWNER && newMaxWinInThousandthPercents <= 333); // cannot set max win greater than 1/3 of the bankroll (a jackpot is very rare)
MAXWIN_inTHOUSANDTHPERCENTS = newMaxWinInThousandthPercents;
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
function refund(bytes32 oraclizeQueryId) public {
// save into memory for cheap access
SlotsGameData memory data = slotsData[oraclizeQueryId];
//require that the query time is too slow, bet has not been paid out, and either contract owner or player is calling this function.
require(SafeMath.sub(block.timestamp, data.start) >= ORACLIZEQUERYMAXTIME
&& (msg.sender == OWNER || msg.sender == data.player)
&& (!data.paidOut)
&& data.etherReceived <= LIABILITIES
&& data.etherReceived > 0
&& REFUNDSACTIVE);
// set contract data
slotsData[oraclizeQueryId].paidOut = true;
// subtract etherReceived from these two values because the bet is being refunded
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// then transfer the original bet to the player.
data.player.transfer(data.etherReceived);
// finally, log an event saying that the refund has processed.
emit Refund(oraclizeQueryId, data.etherReceived);
}
function play(uint8 credits) public payable {
// save for future use / gas efficiency
uint256 betPerCredit = msg.value / credits;
// require that the game is unpaused, and that the credits being purchased are greater than 0 and less than the allowed amount, default: 100 spins
// verify that the bet is less than or equal to the bet limit, so we don't go bankrupt, and that the etherreceived is greater than the minbet.
require(!GAMEPAUSED
&& msg.value >= MINBET_perTX
&& betPerCredit >= MINBET_perSPIN
&& credits > 0
&& credits <= 224
&& SafeMath.mul(betPerCredit, 5000) <= getMaxWin()); // 5000 is the jackpot payout (max win on a roll)
// equation for gas to oraclize is:
// gas = (some fixed gas amt) + 3270 * credits
uint256 gasToSend = INITIALGASFORORACLIZE + (uint256(3270) * credits);
EOSBetBankrollInterface(BANKROLLER).payOraclize(oraclize_getPrice('random', gasToSend));
// oraclize_newRandomDSQuery(delay in seconds, bytes of random data, gas for callback function)
bytes32 oraclizeQueryId = oraclize_newRandomDSQuery(0, 30, gasToSend);
// add the new slots data to a mapping so that the oraclize __callback can use it later
slotsData[oraclizeQueryId] = SlotsGameData({
player : msg.sender,
paidOut : false,
start : block.timestamp,
etherReceived : msg.value,
credits : credits
});
// add the sent value into liabilities. this should NOT go into the bankroll yet
// and must be quarantined here to prevent timing attacks
LIABILITIES = SafeMath.add(LIABILITIES, msg.value);
emit BuyCredits(oraclizeQueryId);
}
function __callback(bytes32 _queryId, string _result, bytes _proof) public {
// get the game data and put into memory
SlotsGameData memory data = slotsData[_queryId];
require(msg.sender == oraclize_cbAddress()
&& !data.paidOut
&& data.player != address(0)
&& LIABILITIES >= data.etherReceived);
// if the proof has failed, immediately refund the player the original bet.
if (oraclize_randomDS_proofVerify__returnCode(_queryId, _result, _proof) != 0){
if (REFUNDSACTIVE){
// set contract data
slotsData[_queryId].paidOut = true;
// subtract from liabilities and amount wagered, because this bet is being refunded.
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// transfer the original bet back
data.player.transfer(data.etherReceived);
// log the refund
emit Refund(_queryId, data.etherReceived);
}
// log the ledger proof fail
emit LedgerProofFailed(_queryId);
}
else {
// again, this block is almost identical to the previous block in the play(...) function
// instead of duplicating documentation, we will just point out the changes from the other block
uint256 dialsSpun;
uint8 dial1;
uint8 dial2;
uint8 dial3;
uint256[] memory logsData = new uint256[](8);
uint256 payout;
// must use data.credits instead of credits.
for (uint8 i = 0; i < data.credits; i++){
// all dials now use _result, instead of blockhash, this is the main change, and allows Slots to
// accomodate bets of any size, free of possible miner interference
dialsSpun += 1;
dial1 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial2 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial3 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
// dial 1
dial1 = getDial1Type(dial1);
// dial 2
dial2 = getDial2Type(dial2);
// dial 3
dial3 = getDial3Type(dial3);
// determine the payout
payout += determinePayout(dial1, dial2, dial3);
// assembling log data
if (i <= 27){
// in logsData0
logsData[0] += uint256(dial1) * uint256(2) ** (3 * ((3 * (27 - i)) + 2));
logsData[0] += uint256(dial2) * uint256(2) ** (3 * ((3 * (27 - i)) + 1));
logsData[0] += uint256(dial3) * uint256(2) ** (3 * ((3 * (27 - i))));
}
else if (i <= 55){
// in logsData1
logsData[1] += uint256(dial1) * uint256(2) ** (3 * ((3 * (55 - i)) + 2));
logsData[1] += uint256(dial2) * uint256(2) ** (3 * ((3 * (55 - i)) + 1));
logsData[1] += uint256(dial3) * uint256(2) ** (3 * ((3 * (55 - i))));
}
else if (i <= 83) {
// in logsData2
logsData[2] += uint256(dial1) * uint256(2) ** (3 * ((3 * (83 - i)) + 2));
logsData[2] += uint256(dial2) * uint256(2) ** (3 * ((3 * (83 - i)) + 1));
logsData[2] += uint256(dial3) * uint256(2) ** (3 * ((3 * (83 - i))));
}
else if (i <= 111) {
// in logsData3
logsData[3] += uint256(dial1) * uint256(2) ** (3 * ((3 * (111 - i)) + 2));
logsData[3] += uint256(dial2) * uint256(2) ** (3 * ((3 * (111 - i)) + 1));
logsData[3] += uint256(dial3) * uint256(2) ** (3 * ((3 * (111 - i))));
}
else if (i <= 139){
// in logsData4
logsData[4] += uint256(dial1) * uint256(2) ** (3 * ((3 * (139 - i)) + 2));
logsData[4] += uint256(dial2) * uint256(2) ** (3 * ((3 * (139 - i)) + 1));
logsData[4] += uint256(dial3) * uint256(2) ** (3 * ((3 * (139 - i))));
}
else if (i <= 167){
// in logsData5
logsData[5] += uint256(dial1) * uint256(2) ** (3 * ((3 * (167 - i)) + 2));
logsData[5] += uint256(dial2) * uint256(2) ** (3 * ((3 * (167 - i)) + 1));
logsData[5] += uint256(dial3) * uint256(2) ** (3 * ((3 * (167 - i))));
}
else if (i <= 195){
// in logsData6
logsData[6] += uint256(dial1) * uint256(2) ** (3 * ((3 * (195 - i)) + 2));
logsData[6] += uint256(dial2) * uint256(2) ** (3 * ((3 * (195 - i)) + 1));
logsData[6] += uint256(dial3) * uint256(2) ** (3 * ((3 * (195 - i))));
}
else if (i <= 223){
// in logsData7
logsData[7] += uint256(dial1) * uint256(2) ** (3 * ((3 * (223 - i)) + 2));
logsData[7] += uint256(dial2) * uint256(2) ** (3 * ((3 * (223 - i)) + 1));
logsData[7] += uint256(dial3) * uint256(2) ** (3 * ((3 * (223 - i))));
}
}
// track that these spins were made
DIALSSPUN += dialsSpun;
// and add the amount wagered
AMOUNTWAGERED = SafeMath.add(AMOUNTWAGERED, data.etherReceived);
// IMPORTANT: we must change the "paidOut" to TRUE here to prevent reentrancy/other nasty effects.
// this was not needed with the previous loop/code block, and is used because variables must be written into storage
slotsData[_queryId].paidOut = true;
// decrease LIABILITIES when the spins are made
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// get the developers cut, and send the rest of the ether received to the bankroller contract
uint256 developersCut = data.etherReceived / 100;
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
EOSBetBankrollInterface(BANKROLLER).receiveEtherFromGameAddress.value(SafeMath.sub(data.etherReceived, developersCut))();
// get the ether to be paid out, and force the bankroller contract to pay out the player
uint256 etherPaidout = SafeMath.mul((data.etherReceived / data.credits), payout);
EOSBetBankrollInterface(BANKROLLER).payEtherToWinner(etherPaidout, data.player);
// log en event with indexed query id
emit SlotsLargeBet(_queryId, logsData[0], logsData[1], logsData[2], logsData[3], logsData[4], logsData[5], logsData[6], logsData[7]);
}
}
// HELPER FUNCTIONS TO:
// calculate the result of the dials based on the hardcoded slot data:
// STOPS REEL#1 REEL#2 REEL#3
///////////////////////////////////////////
// gold ether 0 // 1 // 3 // 1 //
// silver ether 1 // 7 // 1 // 6 //
// bronze ether 2 // 1 // 7 // 6 //
// gold planet 3 // 5 // 7 // 6 //
// silverplanet 4 // 9 // 6 // 7 //
// bronzeplanet 5 // 9 // 8 // 6 //
// ---blank--- 6 // 32 // 32 // 32 //
///////////////////////////////////////////
// note that dial1 / 2 / 3 will go from mod 64 to mod 7 in this manner
function getDial1Type(uint8 dial1Location) internal pure returns(uint8) {
if (dial1Location == 0) { return 0; }
else if (dial1Location >= 1 && dial1Location <= 7) { return 1; }
else if (dial1Location == 8) { return 2; }
else if (dial1Location >= 9 && dial1Location <= 13) { return 3; }
else if (dial1Location >= 14 && dial1Location <= 22) { return 4; }
else if (dial1Location >= 23 && dial1Location <= 31) { return 5; }
else { return 6; }
}
function getDial2Type(uint8 dial2Location) internal pure returns(uint8) {
if (dial2Location >= 0 && dial2Location <= 2) { return 0; }
else if (dial2Location == 3) { return 1; }
else if (dial2Location >= 4 && dial2Location <= 10) { return 2; }
else if (dial2Location >= 11 && dial2Location <= 17) { return 3; }
else if (dial2Location >= 18 && dial2Location <= 23) { return 4; }
else if (dial2Location >= 24 && dial2Location <= 31) { return 5; }
else { return 6; }
}
function getDial3Type(uint8 dial3Location) internal pure returns(uint8) {
if (dial3Location == 0) { return 0; }
else if (dial3Location >= 1 && dial3Location <= 6) { return 1; }
else if (dial3Location >= 7 && dial3Location <= 12) { return 2; }
else if (dial3Location >= 13 && dial3Location <= 18) { return 3; }
else if (dial3Location >= 19 && dial3Location <= 25) { return 4; }
else if (dial3Location >= 26 && dial3Location <= 31) { return 5; }
else { return 6; }
}
// HELPER FUNCTION TO:
// determine the payout given dial locations based on this table
// hardcoded payouts data:
// LANDS ON // PAYS //
////////////////////////////////////////////////
// Bronze E -> Silver E -> Gold E // 5000 //
// 3x Gold Ether // 1777 //
// 3x Silver Ether // 250 //
// 3x Bronze Ether // 250 //
// Bronze P -> Silver P -> Gold P // 90 //
// 3x any Ether // 70 //
// 3x Gold Planet // 50 //
// 3x Silver Planet // 25 //
// Any Gold P & Silver P & Bronze P // 15 //
// 3x Bronze Planet // 10 //
// Any 3 planet type // 3 //
// Any 3 gold // 3 //
// Any 3 silver // 2 //
// Any 3 bronze // 2 //
// Blank, blank, blank // 1 //
// else // 0 //
////////////////////////////////////////////////
function determinePayout(uint8 dial1, uint8 dial2, uint8 dial3) internal pure returns(uint256) {
if (dial1 == 6 || dial2 == 6 || dial3 == 6){
// all blank
if (dial1 == 6 && dial2 == 6 && dial3 == 6)
return 1;
}
else if (dial1 == 5){
// bronze planet -> silver planet -> gold planet
if (dial2 == 4 && dial3 == 3)
return 90;
// one gold planet, one silver planet, one bronze planet, any order!
// note: other order covered above, return 90
else if (dial2 == 3 && dial3 == 4)
return 15;
// all bronze planet
else if (dial2 == 5 && dial3 == 5)
return 10;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 4){
// all silver planet
if (dial2 == 4 && dial3 == 4)
return 25;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 3 && dial3 == 5) || (dial2 == 5 && dial3 == 3))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 2;
}
else if (dial1 == 3){
// all gold planet
if (dial2 == 3 && dial3 == 3)
return 50;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 4 && dial3 == 5) || (dial2 == 5 && dial3 == 4))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
else if (dial1 == 2){
if (dial2 == 1 && dial3 == 0)
return 5000; // jackpot!!!!
// all bronze ether
else if (dial2 == 2 && dial3 == 2)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 1){
// all silver ether
if (dial2 == 1 && dial3 == 1)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 3;
}
else if (dial1 == 0){
// all gold ether
if (dial2 == 0 && dial3 == 0)
return 1777;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
return 0;
}
} | getMaxWin | function getMaxWin() public view returns(uint256){
return (SafeMath.mul(EOSBetBankrollInterface(BANKROLLER).getBankroll(), MAXWIN_inTHOUSANDTHPERCENTS) / 1000);
}
| //////////////////////////////////// | NatSpecSingleLine | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
2813,
2982
]
} | 60,058 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetSlots | contract EOSBetSlots is usingOraclize, EOSBetGameInterface {
using SafeMath for *;
// events
event BuyCredits(bytes32 indexed oraclizeQueryId);
event LedgerProofFailed(bytes32 indexed oraclizeQueryId);
event Refund(bytes32 indexed oraclizeQueryId, uint256 amount);
event SlotsLargeBet(bytes32 indexed oraclizeQueryId, uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
event SlotsSmallBet(uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
// slots game structure
struct SlotsGameData {
address player;
bool paidOut;
uint256 start;
uint256 etherReceived;
uint8 credits;
}
mapping (bytes32 => SlotsGameData) public slotsData;
// ether in this contract can be in one of two locations:
uint256 public LIABILITIES;
uint256 public DEVELOPERSFUND;
// counters for frontend statistics
uint256 public AMOUNTWAGERED;
uint256 public DIALSSPUN;
// togglable values
uint256 public ORACLIZEQUERYMAXTIME;
uint256 public MINBET_perSPIN;
uint256 public MINBET_perTX;
uint256 public ORACLIZEGASPRICE;
uint256 public INITIALGASFORORACLIZE;
uint16 public MAXWIN_inTHOUSANDTHPERCENTS;
// togglable functionality of contract
bool public GAMEPAUSED;
bool public REFUNDSACTIVE;
// owner of contract
address public OWNER;
// bankroller address
address public BANKROLLER;
// constructor
function EOSBetSlots() public {
// ledger proof is ALWAYS verified on-chain
oraclize_setProof(proofType_Ledger);
// gas prices for oraclize call back, can be changed
oraclize_setCustomGasPrice(8000000000);
ORACLIZEGASPRICE = 8000000000;
INITIALGASFORORACLIZE = 225000;
AMOUNTWAGERED = 0;
DIALSSPUN = 0;
GAMEPAUSED = false;
REFUNDSACTIVE = true;
ORACLIZEQUERYMAXTIME = 6 hours;
MINBET_perSPIN = 2 finney; // currently, this is ~40-50c a spin, which is pretty average slots. This is changeable by OWNER
MINBET_perTX = 10 finney;
MAXWIN_inTHOUSANDTHPERCENTS = 333; // 333/1000 so a jackpot can take 33% of bankroll (extremely rare)
OWNER = msg.sender;
}
////////////////////////////////////
// INTERFACE CONTACT FUNCTIONS
////////////////////////////////////
function payDevelopersFund(address developer) public {
require(msg.sender == BANKROLLER);
uint256 devFund = DEVELOPERSFUND;
DEVELOPERSFUND = 0;
developer.transfer(devFund);
}
// just a function to receive eth, only allow the bankroll to use this
function receivePaymentForOraclize() payable public {
require(msg.sender == BANKROLLER);
}
////////////////////////////////////
// VIEW FUNCTIONS
////////////////////////////////////
function getMaxWin() public view returns(uint256){
return (SafeMath.mul(EOSBetBankrollInterface(BANKROLLER).getBankroll(), MAXWIN_inTHOUSANDTHPERCENTS) / 1000);
}
////////////////////////////////////
// OWNER ONLY FUNCTIONS
////////////////////////////////////
// WARNING!!!!! Can only set this function once!
function setBankrollerContractOnce(address bankrollAddress) public {
// require that BANKROLLER address == 0x0 (address not set yet), and coming from owner.
require(msg.sender == OWNER && BANKROLLER == address(0));
// check here to make sure that the bankroll contract is legitimate
// just make sure that calling the bankroll contract getBankroll() returns non-zero
require(EOSBetBankrollInterface(bankrollAddress).getBankroll() != 0);
BANKROLLER = bankrollAddress;
}
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function setOraclizeQueryMaxTime(uint256 newTime) public {
require(msg.sender == OWNER);
ORACLIZEQUERYMAXTIME = newTime;
}
// store the gas price as a storage variable for easy reference,
// and thne change the gas price using the proper oraclize function
function setOraclizeQueryGasPrice(uint256 gasPrice) public {
require(msg.sender == OWNER);
ORACLIZEGASPRICE = gasPrice;
oraclize_setCustomGasPrice(gasPrice);
}
// should be ~160,000 to save eth
function setInitialGasForOraclize(uint256 gasAmt) public {
require(msg.sender == OWNER);
INITIALGASFORORACLIZE = gasAmt;
}
function setGamePaused(bool paused) public {
require(msg.sender == OWNER);
GAMEPAUSED = paused;
}
function setRefundsActive(bool active) public {
require(msg.sender == OWNER);
REFUNDSACTIVE = active;
}
function setMinBetPerSpin(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perSPIN = minBet;
}
function setMinBetPerTx(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perTX = minBet;
}
function setMaxwin(uint16 newMaxWinInThousandthPercents) public {
require(msg.sender == OWNER && newMaxWinInThousandthPercents <= 333); // cannot set max win greater than 1/3 of the bankroll (a jackpot is very rare)
MAXWIN_inTHOUSANDTHPERCENTS = newMaxWinInThousandthPercents;
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
function refund(bytes32 oraclizeQueryId) public {
// save into memory for cheap access
SlotsGameData memory data = slotsData[oraclizeQueryId];
//require that the query time is too slow, bet has not been paid out, and either contract owner or player is calling this function.
require(SafeMath.sub(block.timestamp, data.start) >= ORACLIZEQUERYMAXTIME
&& (msg.sender == OWNER || msg.sender == data.player)
&& (!data.paidOut)
&& data.etherReceived <= LIABILITIES
&& data.etherReceived > 0
&& REFUNDSACTIVE);
// set contract data
slotsData[oraclizeQueryId].paidOut = true;
// subtract etherReceived from these two values because the bet is being refunded
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// then transfer the original bet to the player.
data.player.transfer(data.etherReceived);
// finally, log an event saying that the refund has processed.
emit Refund(oraclizeQueryId, data.etherReceived);
}
function play(uint8 credits) public payable {
// save for future use / gas efficiency
uint256 betPerCredit = msg.value / credits;
// require that the game is unpaused, and that the credits being purchased are greater than 0 and less than the allowed amount, default: 100 spins
// verify that the bet is less than or equal to the bet limit, so we don't go bankrupt, and that the etherreceived is greater than the minbet.
require(!GAMEPAUSED
&& msg.value >= MINBET_perTX
&& betPerCredit >= MINBET_perSPIN
&& credits > 0
&& credits <= 224
&& SafeMath.mul(betPerCredit, 5000) <= getMaxWin()); // 5000 is the jackpot payout (max win on a roll)
// equation for gas to oraclize is:
// gas = (some fixed gas amt) + 3270 * credits
uint256 gasToSend = INITIALGASFORORACLIZE + (uint256(3270) * credits);
EOSBetBankrollInterface(BANKROLLER).payOraclize(oraclize_getPrice('random', gasToSend));
// oraclize_newRandomDSQuery(delay in seconds, bytes of random data, gas for callback function)
bytes32 oraclizeQueryId = oraclize_newRandomDSQuery(0, 30, gasToSend);
// add the new slots data to a mapping so that the oraclize __callback can use it later
slotsData[oraclizeQueryId] = SlotsGameData({
player : msg.sender,
paidOut : false,
start : block.timestamp,
etherReceived : msg.value,
credits : credits
});
// add the sent value into liabilities. this should NOT go into the bankroll yet
// and must be quarantined here to prevent timing attacks
LIABILITIES = SafeMath.add(LIABILITIES, msg.value);
emit BuyCredits(oraclizeQueryId);
}
function __callback(bytes32 _queryId, string _result, bytes _proof) public {
// get the game data and put into memory
SlotsGameData memory data = slotsData[_queryId];
require(msg.sender == oraclize_cbAddress()
&& !data.paidOut
&& data.player != address(0)
&& LIABILITIES >= data.etherReceived);
// if the proof has failed, immediately refund the player the original bet.
if (oraclize_randomDS_proofVerify__returnCode(_queryId, _result, _proof) != 0){
if (REFUNDSACTIVE){
// set contract data
slotsData[_queryId].paidOut = true;
// subtract from liabilities and amount wagered, because this bet is being refunded.
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// transfer the original bet back
data.player.transfer(data.etherReceived);
// log the refund
emit Refund(_queryId, data.etherReceived);
}
// log the ledger proof fail
emit LedgerProofFailed(_queryId);
}
else {
// again, this block is almost identical to the previous block in the play(...) function
// instead of duplicating documentation, we will just point out the changes from the other block
uint256 dialsSpun;
uint8 dial1;
uint8 dial2;
uint8 dial3;
uint256[] memory logsData = new uint256[](8);
uint256 payout;
// must use data.credits instead of credits.
for (uint8 i = 0; i < data.credits; i++){
// all dials now use _result, instead of blockhash, this is the main change, and allows Slots to
// accomodate bets of any size, free of possible miner interference
dialsSpun += 1;
dial1 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial2 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial3 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
// dial 1
dial1 = getDial1Type(dial1);
// dial 2
dial2 = getDial2Type(dial2);
// dial 3
dial3 = getDial3Type(dial3);
// determine the payout
payout += determinePayout(dial1, dial2, dial3);
// assembling log data
if (i <= 27){
// in logsData0
logsData[0] += uint256(dial1) * uint256(2) ** (3 * ((3 * (27 - i)) + 2));
logsData[0] += uint256(dial2) * uint256(2) ** (3 * ((3 * (27 - i)) + 1));
logsData[0] += uint256(dial3) * uint256(2) ** (3 * ((3 * (27 - i))));
}
else if (i <= 55){
// in logsData1
logsData[1] += uint256(dial1) * uint256(2) ** (3 * ((3 * (55 - i)) + 2));
logsData[1] += uint256(dial2) * uint256(2) ** (3 * ((3 * (55 - i)) + 1));
logsData[1] += uint256(dial3) * uint256(2) ** (3 * ((3 * (55 - i))));
}
else if (i <= 83) {
// in logsData2
logsData[2] += uint256(dial1) * uint256(2) ** (3 * ((3 * (83 - i)) + 2));
logsData[2] += uint256(dial2) * uint256(2) ** (3 * ((3 * (83 - i)) + 1));
logsData[2] += uint256(dial3) * uint256(2) ** (3 * ((3 * (83 - i))));
}
else if (i <= 111) {
// in logsData3
logsData[3] += uint256(dial1) * uint256(2) ** (3 * ((3 * (111 - i)) + 2));
logsData[3] += uint256(dial2) * uint256(2) ** (3 * ((3 * (111 - i)) + 1));
logsData[3] += uint256(dial3) * uint256(2) ** (3 * ((3 * (111 - i))));
}
else if (i <= 139){
// in logsData4
logsData[4] += uint256(dial1) * uint256(2) ** (3 * ((3 * (139 - i)) + 2));
logsData[4] += uint256(dial2) * uint256(2) ** (3 * ((3 * (139 - i)) + 1));
logsData[4] += uint256(dial3) * uint256(2) ** (3 * ((3 * (139 - i))));
}
else if (i <= 167){
// in logsData5
logsData[5] += uint256(dial1) * uint256(2) ** (3 * ((3 * (167 - i)) + 2));
logsData[5] += uint256(dial2) * uint256(2) ** (3 * ((3 * (167 - i)) + 1));
logsData[5] += uint256(dial3) * uint256(2) ** (3 * ((3 * (167 - i))));
}
else if (i <= 195){
// in logsData6
logsData[6] += uint256(dial1) * uint256(2) ** (3 * ((3 * (195 - i)) + 2));
logsData[6] += uint256(dial2) * uint256(2) ** (3 * ((3 * (195 - i)) + 1));
logsData[6] += uint256(dial3) * uint256(2) ** (3 * ((3 * (195 - i))));
}
else if (i <= 223){
// in logsData7
logsData[7] += uint256(dial1) * uint256(2) ** (3 * ((3 * (223 - i)) + 2));
logsData[7] += uint256(dial2) * uint256(2) ** (3 * ((3 * (223 - i)) + 1));
logsData[7] += uint256(dial3) * uint256(2) ** (3 * ((3 * (223 - i))));
}
}
// track that these spins were made
DIALSSPUN += dialsSpun;
// and add the amount wagered
AMOUNTWAGERED = SafeMath.add(AMOUNTWAGERED, data.etherReceived);
// IMPORTANT: we must change the "paidOut" to TRUE here to prevent reentrancy/other nasty effects.
// this was not needed with the previous loop/code block, and is used because variables must be written into storage
slotsData[_queryId].paidOut = true;
// decrease LIABILITIES when the spins are made
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// get the developers cut, and send the rest of the ether received to the bankroller contract
uint256 developersCut = data.etherReceived / 100;
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
EOSBetBankrollInterface(BANKROLLER).receiveEtherFromGameAddress.value(SafeMath.sub(data.etherReceived, developersCut))();
// get the ether to be paid out, and force the bankroller contract to pay out the player
uint256 etherPaidout = SafeMath.mul((data.etherReceived / data.credits), payout);
EOSBetBankrollInterface(BANKROLLER).payEtherToWinner(etherPaidout, data.player);
// log en event with indexed query id
emit SlotsLargeBet(_queryId, logsData[0], logsData[1], logsData[2], logsData[3], logsData[4], logsData[5], logsData[6], logsData[7]);
}
}
// HELPER FUNCTIONS TO:
// calculate the result of the dials based on the hardcoded slot data:
// STOPS REEL#1 REEL#2 REEL#3
///////////////////////////////////////////
// gold ether 0 // 1 // 3 // 1 //
// silver ether 1 // 7 // 1 // 6 //
// bronze ether 2 // 1 // 7 // 6 //
// gold planet 3 // 5 // 7 // 6 //
// silverplanet 4 // 9 // 6 // 7 //
// bronzeplanet 5 // 9 // 8 // 6 //
// ---blank--- 6 // 32 // 32 // 32 //
///////////////////////////////////////////
// note that dial1 / 2 / 3 will go from mod 64 to mod 7 in this manner
function getDial1Type(uint8 dial1Location) internal pure returns(uint8) {
if (dial1Location == 0) { return 0; }
else if (dial1Location >= 1 && dial1Location <= 7) { return 1; }
else if (dial1Location == 8) { return 2; }
else if (dial1Location >= 9 && dial1Location <= 13) { return 3; }
else if (dial1Location >= 14 && dial1Location <= 22) { return 4; }
else if (dial1Location >= 23 && dial1Location <= 31) { return 5; }
else { return 6; }
}
function getDial2Type(uint8 dial2Location) internal pure returns(uint8) {
if (dial2Location >= 0 && dial2Location <= 2) { return 0; }
else if (dial2Location == 3) { return 1; }
else if (dial2Location >= 4 && dial2Location <= 10) { return 2; }
else if (dial2Location >= 11 && dial2Location <= 17) { return 3; }
else if (dial2Location >= 18 && dial2Location <= 23) { return 4; }
else if (dial2Location >= 24 && dial2Location <= 31) { return 5; }
else { return 6; }
}
function getDial3Type(uint8 dial3Location) internal pure returns(uint8) {
if (dial3Location == 0) { return 0; }
else if (dial3Location >= 1 && dial3Location <= 6) { return 1; }
else if (dial3Location >= 7 && dial3Location <= 12) { return 2; }
else if (dial3Location >= 13 && dial3Location <= 18) { return 3; }
else if (dial3Location >= 19 && dial3Location <= 25) { return 4; }
else if (dial3Location >= 26 && dial3Location <= 31) { return 5; }
else { return 6; }
}
// HELPER FUNCTION TO:
// determine the payout given dial locations based on this table
// hardcoded payouts data:
// LANDS ON // PAYS //
////////////////////////////////////////////////
// Bronze E -> Silver E -> Gold E // 5000 //
// 3x Gold Ether // 1777 //
// 3x Silver Ether // 250 //
// 3x Bronze Ether // 250 //
// Bronze P -> Silver P -> Gold P // 90 //
// 3x any Ether // 70 //
// 3x Gold Planet // 50 //
// 3x Silver Planet // 25 //
// Any Gold P & Silver P & Bronze P // 15 //
// 3x Bronze Planet // 10 //
// Any 3 planet type // 3 //
// Any 3 gold // 3 //
// Any 3 silver // 2 //
// Any 3 bronze // 2 //
// Blank, blank, blank // 1 //
// else // 0 //
////////////////////////////////////////////////
function determinePayout(uint8 dial1, uint8 dial2, uint8 dial3) internal pure returns(uint256) {
if (dial1 == 6 || dial2 == 6 || dial3 == 6){
// all blank
if (dial1 == 6 && dial2 == 6 && dial3 == 6)
return 1;
}
else if (dial1 == 5){
// bronze planet -> silver planet -> gold planet
if (dial2 == 4 && dial3 == 3)
return 90;
// one gold planet, one silver planet, one bronze planet, any order!
// note: other order covered above, return 90
else if (dial2 == 3 && dial3 == 4)
return 15;
// all bronze planet
else if (dial2 == 5 && dial3 == 5)
return 10;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 4){
// all silver planet
if (dial2 == 4 && dial3 == 4)
return 25;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 3 && dial3 == 5) || (dial2 == 5 && dial3 == 3))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 2;
}
else if (dial1 == 3){
// all gold planet
if (dial2 == 3 && dial3 == 3)
return 50;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 4 && dial3 == 5) || (dial2 == 5 && dial3 == 4))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
else if (dial1 == 2){
if (dial2 == 1 && dial3 == 0)
return 5000; // jackpot!!!!
// all bronze ether
else if (dial2 == 2 && dial3 == 2)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 1){
// all silver ether
if (dial2 == 1 && dial3 == 1)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 3;
}
else if (dial1 == 0){
// all gold ether
if (dial2 == 0 && dial3 == 0)
return 1777;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
return 0;
}
} | setBankrollerContractOnce | function setBankrollerContractOnce(address bankrollAddress) public {
// require that BANKROLLER address == 0x0 (address not set yet), and coming from owner.
require(msg.sender == OWNER && BANKROLLER == address(0));
// check here to make sure that the bankroll contract is legitimate
// just make sure that calling the bankroll contract getBankroll() returns non-zero
require(EOSBetBankrollInterface(bankrollAddress).getBankroll() != 0);
BANKROLLER = bankrollAddress;
}
| // WARNING!!!!! Can only set this function once! | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
3142,
3638
]
} | 60,059 |
|||
EOSBetSlots | EOSBetSlots.sol | 0x4a3e0c60f7fa67e8b65c401ddbbf7c17fea5fe40 | Solidity | EOSBetSlots | contract EOSBetSlots is usingOraclize, EOSBetGameInterface {
using SafeMath for *;
// events
event BuyCredits(bytes32 indexed oraclizeQueryId);
event LedgerProofFailed(bytes32 indexed oraclizeQueryId);
event Refund(bytes32 indexed oraclizeQueryId, uint256 amount);
event SlotsLargeBet(bytes32 indexed oraclizeQueryId, uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
event SlotsSmallBet(uint256 data1, uint256 data2, uint256 data3, uint256 data4, uint256 data5, uint256 data6, uint256 data7, uint256 data8);
// slots game structure
struct SlotsGameData {
address player;
bool paidOut;
uint256 start;
uint256 etherReceived;
uint8 credits;
}
mapping (bytes32 => SlotsGameData) public slotsData;
// ether in this contract can be in one of two locations:
uint256 public LIABILITIES;
uint256 public DEVELOPERSFUND;
// counters for frontend statistics
uint256 public AMOUNTWAGERED;
uint256 public DIALSSPUN;
// togglable values
uint256 public ORACLIZEQUERYMAXTIME;
uint256 public MINBET_perSPIN;
uint256 public MINBET_perTX;
uint256 public ORACLIZEGASPRICE;
uint256 public INITIALGASFORORACLIZE;
uint16 public MAXWIN_inTHOUSANDTHPERCENTS;
// togglable functionality of contract
bool public GAMEPAUSED;
bool public REFUNDSACTIVE;
// owner of contract
address public OWNER;
// bankroller address
address public BANKROLLER;
// constructor
function EOSBetSlots() public {
// ledger proof is ALWAYS verified on-chain
oraclize_setProof(proofType_Ledger);
// gas prices for oraclize call back, can be changed
oraclize_setCustomGasPrice(8000000000);
ORACLIZEGASPRICE = 8000000000;
INITIALGASFORORACLIZE = 225000;
AMOUNTWAGERED = 0;
DIALSSPUN = 0;
GAMEPAUSED = false;
REFUNDSACTIVE = true;
ORACLIZEQUERYMAXTIME = 6 hours;
MINBET_perSPIN = 2 finney; // currently, this is ~40-50c a spin, which is pretty average slots. This is changeable by OWNER
MINBET_perTX = 10 finney;
MAXWIN_inTHOUSANDTHPERCENTS = 333; // 333/1000 so a jackpot can take 33% of bankroll (extremely rare)
OWNER = msg.sender;
}
////////////////////////////////////
// INTERFACE CONTACT FUNCTIONS
////////////////////////////////////
function payDevelopersFund(address developer) public {
require(msg.sender == BANKROLLER);
uint256 devFund = DEVELOPERSFUND;
DEVELOPERSFUND = 0;
developer.transfer(devFund);
}
// just a function to receive eth, only allow the bankroll to use this
function receivePaymentForOraclize() payable public {
require(msg.sender == BANKROLLER);
}
////////////////////////////////////
// VIEW FUNCTIONS
////////////////////////////////////
function getMaxWin() public view returns(uint256){
return (SafeMath.mul(EOSBetBankrollInterface(BANKROLLER).getBankroll(), MAXWIN_inTHOUSANDTHPERCENTS) / 1000);
}
////////////////////////////////////
// OWNER ONLY FUNCTIONS
////////////////////////////////////
// WARNING!!!!! Can only set this function once!
function setBankrollerContractOnce(address bankrollAddress) public {
// require that BANKROLLER address == 0x0 (address not set yet), and coming from owner.
require(msg.sender == OWNER && BANKROLLER == address(0));
// check here to make sure that the bankroll contract is legitimate
// just make sure that calling the bankroll contract getBankroll() returns non-zero
require(EOSBetBankrollInterface(bankrollAddress).getBankroll() != 0);
BANKROLLER = bankrollAddress;
}
function transferOwnership(address newOwner) public {
require(msg.sender == OWNER);
OWNER = newOwner;
}
function setOraclizeQueryMaxTime(uint256 newTime) public {
require(msg.sender == OWNER);
ORACLIZEQUERYMAXTIME = newTime;
}
// store the gas price as a storage variable for easy reference,
// and thne change the gas price using the proper oraclize function
function setOraclizeQueryGasPrice(uint256 gasPrice) public {
require(msg.sender == OWNER);
ORACLIZEGASPRICE = gasPrice;
oraclize_setCustomGasPrice(gasPrice);
}
// should be ~160,000 to save eth
function setInitialGasForOraclize(uint256 gasAmt) public {
require(msg.sender == OWNER);
INITIALGASFORORACLIZE = gasAmt;
}
function setGamePaused(bool paused) public {
require(msg.sender == OWNER);
GAMEPAUSED = paused;
}
function setRefundsActive(bool active) public {
require(msg.sender == OWNER);
REFUNDSACTIVE = active;
}
function setMinBetPerSpin(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perSPIN = minBet;
}
function setMinBetPerTx(uint256 minBet) public {
require(msg.sender == OWNER && minBet > 1000);
MINBET_perTX = minBet;
}
function setMaxwin(uint16 newMaxWinInThousandthPercents) public {
require(msg.sender == OWNER && newMaxWinInThousandthPercents <= 333); // cannot set max win greater than 1/3 of the bankroll (a jackpot is very rare)
MAXWIN_inTHOUSANDTHPERCENTS = newMaxWinInThousandthPercents;
}
// rescue tokens inadvertently sent to the contract address
function ERC20Rescue(address tokenAddress, uint256 amtTokens) public {
require (msg.sender == OWNER);
ERC20(tokenAddress).transfer(msg.sender, amtTokens);
}
function refund(bytes32 oraclizeQueryId) public {
// save into memory for cheap access
SlotsGameData memory data = slotsData[oraclizeQueryId];
//require that the query time is too slow, bet has not been paid out, and either contract owner or player is calling this function.
require(SafeMath.sub(block.timestamp, data.start) >= ORACLIZEQUERYMAXTIME
&& (msg.sender == OWNER || msg.sender == data.player)
&& (!data.paidOut)
&& data.etherReceived <= LIABILITIES
&& data.etherReceived > 0
&& REFUNDSACTIVE);
// set contract data
slotsData[oraclizeQueryId].paidOut = true;
// subtract etherReceived from these two values because the bet is being refunded
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// then transfer the original bet to the player.
data.player.transfer(data.etherReceived);
// finally, log an event saying that the refund has processed.
emit Refund(oraclizeQueryId, data.etherReceived);
}
function play(uint8 credits) public payable {
// save for future use / gas efficiency
uint256 betPerCredit = msg.value / credits;
// require that the game is unpaused, and that the credits being purchased are greater than 0 and less than the allowed amount, default: 100 spins
// verify that the bet is less than or equal to the bet limit, so we don't go bankrupt, and that the etherreceived is greater than the minbet.
require(!GAMEPAUSED
&& msg.value >= MINBET_perTX
&& betPerCredit >= MINBET_perSPIN
&& credits > 0
&& credits <= 224
&& SafeMath.mul(betPerCredit, 5000) <= getMaxWin()); // 5000 is the jackpot payout (max win on a roll)
// equation for gas to oraclize is:
// gas = (some fixed gas amt) + 3270 * credits
uint256 gasToSend = INITIALGASFORORACLIZE + (uint256(3270) * credits);
EOSBetBankrollInterface(BANKROLLER).payOraclize(oraclize_getPrice('random', gasToSend));
// oraclize_newRandomDSQuery(delay in seconds, bytes of random data, gas for callback function)
bytes32 oraclizeQueryId = oraclize_newRandomDSQuery(0, 30, gasToSend);
// add the new slots data to a mapping so that the oraclize __callback can use it later
slotsData[oraclizeQueryId] = SlotsGameData({
player : msg.sender,
paidOut : false,
start : block.timestamp,
etherReceived : msg.value,
credits : credits
});
// add the sent value into liabilities. this should NOT go into the bankroll yet
// and must be quarantined here to prevent timing attacks
LIABILITIES = SafeMath.add(LIABILITIES, msg.value);
emit BuyCredits(oraclizeQueryId);
}
function __callback(bytes32 _queryId, string _result, bytes _proof) public {
// get the game data and put into memory
SlotsGameData memory data = slotsData[_queryId];
require(msg.sender == oraclize_cbAddress()
&& !data.paidOut
&& data.player != address(0)
&& LIABILITIES >= data.etherReceived);
// if the proof has failed, immediately refund the player the original bet.
if (oraclize_randomDS_proofVerify__returnCode(_queryId, _result, _proof) != 0){
if (REFUNDSACTIVE){
// set contract data
slotsData[_queryId].paidOut = true;
// subtract from liabilities and amount wagered, because this bet is being refunded.
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// transfer the original bet back
data.player.transfer(data.etherReceived);
// log the refund
emit Refund(_queryId, data.etherReceived);
}
// log the ledger proof fail
emit LedgerProofFailed(_queryId);
}
else {
// again, this block is almost identical to the previous block in the play(...) function
// instead of duplicating documentation, we will just point out the changes from the other block
uint256 dialsSpun;
uint8 dial1;
uint8 dial2;
uint8 dial3;
uint256[] memory logsData = new uint256[](8);
uint256 payout;
// must use data.credits instead of credits.
for (uint8 i = 0; i < data.credits; i++){
// all dials now use _result, instead of blockhash, this is the main change, and allows Slots to
// accomodate bets of any size, free of possible miner interference
dialsSpun += 1;
dial1 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial2 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
dialsSpun += 1;
dial3 = uint8(uint(keccak256(_result, dialsSpun)) % 64);
// dial 1
dial1 = getDial1Type(dial1);
// dial 2
dial2 = getDial2Type(dial2);
// dial 3
dial3 = getDial3Type(dial3);
// determine the payout
payout += determinePayout(dial1, dial2, dial3);
// assembling log data
if (i <= 27){
// in logsData0
logsData[0] += uint256(dial1) * uint256(2) ** (3 * ((3 * (27 - i)) + 2));
logsData[0] += uint256(dial2) * uint256(2) ** (3 * ((3 * (27 - i)) + 1));
logsData[0] += uint256(dial3) * uint256(2) ** (3 * ((3 * (27 - i))));
}
else if (i <= 55){
// in logsData1
logsData[1] += uint256(dial1) * uint256(2) ** (3 * ((3 * (55 - i)) + 2));
logsData[1] += uint256(dial2) * uint256(2) ** (3 * ((3 * (55 - i)) + 1));
logsData[1] += uint256(dial3) * uint256(2) ** (3 * ((3 * (55 - i))));
}
else if (i <= 83) {
// in logsData2
logsData[2] += uint256(dial1) * uint256(2) ** (3 * ((3 * (83 - i)) + 2));
logsData[2] += uint256(dial2) * uint256(2) ** (3 * ((3 * (83 - i)) + 1));
logsData[2] += uint256(dial3) * uint256(2) ** (3 * ((3 * (83 - i))));
}
else if (i <= 111) {
// in logsData3
logsData[3] += uint256(dial1) * uint256(2) ** (3 * ((3 * (111 - i)) + 2));
logsData[3] += uint256(dial2) * uint256(2) ** (3 * ((3 * (111 - i)) + 1));
logsData[3] += uint256(dial3) * uint256(2) ** (3 * ((3 * (111 - i))));
}
else if (i <= 139){
// in logsData4
logsData[4] += uint256(dial1) * uint256(2) ** (3 * ((3 * (139 - i)) + 2));
logsData[4] += uint256(dial2) * uint256(2) ** (3 * ((3 * (139 - i)) + 1));
logsData[4] += uint256(dial3) * uint256(2) ** (3 * ((3 * (139 - i))));
}
else if (i <= 167){
// in logsData5
logsData[5] += uint256(dial1) * uint256(2) ** (3 * ((3 * (167 - i)) + 2));
logsData[5] += uint256(dial2) * uint256(2) ** (3 * ((3 * (167 - i)) + 1));
logsData[5] += uint256(dial3) * uint256(2) ** (3 * ((3 * (167 - i))));
}
else if (i <= 195){
// in logsData6
logsData[6] += uint256(dial1) * uint256(2) ** (3 * ((3 * (195 - i)) + 2));
logsData[6] += uint256(dial2) * uint256(2) ** (3 * ((3 * (195 - i)) + 1));
logsData[6] += uint256(dial3) * uint256(2) ** (3 * ((3 * (195 - i))));
}
else if (i <= 223){
// in logsData7
logsData[7] += uint256(dial1) * uint256(2) ** (3 * ((3 * (223 - i)) + 2));
logsData[7] += uint256(dial2) * uint256(2) ** (3 * ((3 * (223 - i)) + 1));
logsData[7] += uint256(dial3) * uint256(2) ** (3 * ((3 * (223 - i))));
}
}
// track that these spins were made
DIALSSPUN += dialsSpun;
// and add the amount wagered
AMOUNTWAGERED = SafeMath.add(AMOUNTWAGERED, data.etherReceived);
// IMPORTANT: we must change the "paidOut" to TRUE here to prevent reentrancy/other nasty effects.
// this was not needed with the previous loop/code block, and is used because variables must be written into storage
slotsData[_queryId].paidOut = true;
// decrease LIABILITIES when the spins are made
LIABILITIES = SafeMath.sub(LIABILITIES, data.etherReceived);
// get the developers cut, and send the rest of the ether received to the bankroller contract
uint256 developersCut = data.etherReceived / 100;
DEVELOPERSFUND = SafeMath.add(DEVELOPERSFUND, developersCut);
EOSBetBankrollInterface(BANKROLLER).receiveEtherFromGameAddress.value(SafeMath.sub(data.etherReceived, developersCut))();
// get the ether to be paid out, and force the bankroller contract to pay out the player
uint256 etherPaidout = SafeMath.mul((data.etherReceived / data.credits), payout);
EOSBetBankrollInterface(BANKROLLER).payEtherToWinner(etherPaidout, data.player);
// log en event with indexed query id
emit SlotsLargeBet(_queryId, logsData[0], logsData[1], logsData[2], logsData[3], logsData[4], logsData[5], logsData[6], logsData[7]);
}
}
// HELPER FUNCTIONS TO:
// calculate the result of the dials based on the hardcoded slot data:
// STOPS REEL#1 REEL#2 REEL#3
///////////////////////////////////////////
// gold ether 0 // 1 // 3 // 1 //
// silver ether 1 // 7 // 1 // 6 //
// bronze ether 2 // 1 // 7 // 6 //
// gold planet 3 // 5 // 7 // 6 //
// silverplanet 4 // 9 // 6 // 7 //
// bronzeplanet 5 // 9 // 8 // 6 //
// ---blank--- 6 // 32 // 32 // 32 //
///////////////////////////////////////////
// note that dial1 / 2 / 3 will go from mod 64 to mod 7 in this manner
function getDial1Type(uint8 dial1Location) internal pure returns(uint8) {
if (dial1Location == 0) { return 0; }
else if (dial1Location >= 1 && dial1Location <= 7) { return 1; }
else if (dial1Location == 8) { return 2; }
else if (dial1Location >= 9 && dial1Location <= 13) { return 3; }
else if (dial1Location >= 14 && dial1Location <= 22) { return 4; }
else if (dial1Location >= 23 && dial1Location <= 31) { return 5; }
else { return 6; }
}
function getDial2Type(uint8 dial2Location) internal pure returns(uint8) {
if (dial2Location >= 0 && dial2Location <= 2) { return 0; }
else if (dial2Location == 3) { return 1; }
else if (dial2Location >= 4 && dial2Location <= 10) { return 2; }
else if (dial2Location >= 11 && dial2Location <= 17) { return 3; }
else if (dial2Location >= 18 && dial2Location <= 23) { return 4; }
else if (dial2Location >= 24 && dial2Location <= 31) { return 5; }
else { return 6; }
}
function getDial3Type(uint8 dial3Location) internal pure returns(uint8) {
if (dial3Location == 0) { return 0; }
else if (dial3Location >= 1 && dial3Location <= 6) { return 1; }
else if (dial3Location >= 7 && dial3Location <= 12) { return 2; }
else if (dial3Location >= 13 && dial3Location <= 18) { return 3; }
else if (dial3Location >= 19 && dial3Location <= 25) { return 4; }
else if (dial3Location >= 26 && dial3Location <= 31) { return 5; }
else { return 6; }
}
// HELPER FUNCTION TO:
// determine the payout given dial locations based on this table
// hardcoded payouts data:
// LANDS ON // PAYS //
////////////////////////////////////////////////
// Bronze E -> Silver E -> Gold E // 5000 //
// 3x Gold Ether // 1777 //
// 3x Silver Ether // 250 //
// 3x Bronze Ether // 250 //
// Bronze P -> Silver P -> Gold P // 90 //
// 3x any Ether // 70 //
// 3x Gold Planet // 50 //
// 3x Silver Planet // 25 //
// Any Gold P & Silver P & Bronze P // 15 //
// 3x Bronze Planet // 10 //
// Any 3 planet type // 3 //
// Any 3 gold // 3 //
// Any 3 silver // 2 //
// Any 3 bronze // 2 //
// Blank, blank, blank // 1 //
// else // 0 //
////////////////////////////////////////////////
function determinePayout(uint8 dial1, uint8 dial2, uint8 dial3) internal pure returns(uint256) {
if (dial1 == 6 || dial2 == 6 || dial3 == 6){
// all blank
if (dial1 == 6 && dial2 == 6 && dial3 == 6)
return 1;
}
else if (dial1 == 5){
// bronze planet -> silver planet -> gold planet
if (dial2 == 4 && dial3 == 3)
return 90;
// one gold planet, one silver planet, one bronze planet, any order!
// note: other order covered above, return 90
else if (dial2 == 3 && dial3 == 4)
return 15;
// all bronze planet
else if (dial2 == 5 && dial3 == 5)
return 10;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 4){
// all silver planet
if (dial2 == 4 && dial3 == 4)
return 25;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 3 && dial3 == 5) || (dial2 == 5 && dial3 == 3))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 2;
}
else if (dial1 == 3){
// all gold planet
if (dial2 == 3 && dial3 == 3)
return 50;
// one gold planet, one silver planet, one bronze planet, any order!
else if ((dial2 == 4 && dial3 == 5) || (dial2 == 5 && dial3 == 4))
return 15;
// any three planet type
else if (dial2 >= 3 && dial2 <= 5 && dial3 >= 3 && dial3 <= 5)
return 3;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
else if (dial1 == 2){
if (dial2 == 1 && dial3 == 0)
return 5000; // jackpot!!!!
// all bronze ether
else if (dial2 == 2 && dial3 == 2)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three bronze
else if ((dial2 == 2 || dial2 == 5) && (dial3 == 2 || dial3 == 5))
return 2;
}
else if (dial1 == 1){
// all silver ether
if (dial2 == 1 && dial3 == 1)
return 250;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three silver
else if ((dial2 == 1 || dial2 == 4) && (dial3 == 1 || dial3 == 4))
return 3;
}
else if (dial1 == 0){
// all gold ether
if (dial2 == 0 && dial3 == 0)
return 1777;
// all some type of ether
else if (dial2 >= 0 && dial2 <= 2 && dial3 >= 0 && dial3 <= 2)
return 70;
// any three gold
else if ((dial2 == 0 || dial2 == 3) && (dial3 == 0 || dial3 == 3))
return 3;
}
return 0;
}
} | setOraclizeQueryGasPrice | function setOraclizeQueryGasPrice(uint256 gasPrice) public {
require(msg.sender == OWNER);
ORACLIZEGASPRICE = gasPrice;
oraclize_setCustomGasPrice(gasPrice);
}
| // store the gas price as a storage variable for easy reference,
// and thne change the gas price using the proper oraclize function | LineComment | v0.4.21+commit.dfe3193c | bzzr://2d48f2cf6e8bfcc89fb1b8028c0e9f3ac99194db8d859ddd6bcf058cdfd9d462 | {
"func_code_index": [
4033,
4207
]
} | 60,060 |
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