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UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | position | function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
| /// @inheritdoc IUniV3PairManager | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
4031,
4483
]
} | 7,607 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | approve | function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
| /// @inheritdoc IERC20 | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
4510,
4711
]
} | 7,608 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | transfer | function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
| /// @inheritdoc IERC20 | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
4738,
4886
]
} | 7,609 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | transferFrom | function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
| /// @inheritdoc IERC20 | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
4913,
5410
]
} | 7,610 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | _addLiquidity | function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
| /// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
6203,
6946
]
} | 7,611 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | _pay | function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
| /// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
7309,
7462
]
} | 7,612 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | _mint | function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
| /// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
7738,
7896
]
} | 7,613 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | _burn | function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
| /// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
8198,
8356
]
} | 7,614 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | _transferTokens | function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
| /// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
8615,
8812
]
} | 7,615 |
||||
UniV3PairManagerFactory | solidity/contracts/UniV3PairManager.sol | 0x005634cfef45e5a19c84aede6f0af17833471852 | Solidity | UniV3PairManager | contract UniV3PairManager is IUniV3PairManager, Governable {
/// @inheritdoc IERC20Metadata
string public override name;
/// @inheritdoc IERC20Metadata
string public override symbol;
/// @inheritdoc IERC20
uint256 public override totalSupply = 0;
/// @inheritdoc IPairManager
address public immutable override token0;
/// @inheritdoc IPairManager
address public immutable override token1;
/// @inheritdoc IPairManager
address public immutable override pool;
/// @inheritdoc IUniV3PairManager
uint24 public immutable override fee;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioAX96;
/// @inheritdoc IUniV3PairManager
uint160 public immutable override sqrtRatioBX96;
/// @notice Lowest possible tick in the Uniswap's curve
int24 private constant _TICK_LOWER = -887200;
/// @notice Highest possible tick in the Uniswap's curve
int24 private constant _TICK_UPPER = 887200;
/// @inheritdoc IERC20Metadata
//solhint-disable-next-line const-name-snakecase
uint8 public constant override decimals = 18;
/// @inheritdoc IERC20
mapping(address => mapping(address => uint256)) public override allowance;
/// @inheritdoc IERC20
mapping(address => uint256) public override balanceOf;
/// @notice Struct that contains token0, token1, and fee of the Uniswap pool
PoolAddress.PoolKey private _poolKey;
constructor(address _pool, address _governance) Governable(_governance) {
pool = _pool;
uint24 _fee = IUniswapV3Pool(_pool).fee();
fee = _fee;
address _token0 = IUniswapV3Pool(_pool).token0();
address _token1 = IUniswapV3Pool(_pool).token1();
token0 = _token0;
token1 = _token1;
name = string(abi.encodePacked('Keep3rLP - ', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
symbol = string(abi.encodePacked('kLP-', ERC20(_token0).symbol(), '/', ERC20(_token1).symbol()));
sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(_TICK_LOWER);
sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(_TICK_UPPER);
_poolKey = PoolAddress.PoolKey({token0: _token0, token1: _token1, fee: _fee});
}
// This low-level function should be called from a contract which performs important safety checks
/// @inheritdoc IUniV3PairManager
function mint(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint128 liquidity) {
(liquidity, , ) = _addLiquidity(amount0Desired, amount1Desired, amount0Min, amount1Min);
_mint(to, liquidity);
}
/// @inheritdoc IUniV3PairManager
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external override {
MintCallbackData memory decoded = abi.decode(data, (MintCallbackData));
if (msg.sender != pool) revert OnlyPool();
if (amount0Owed > 0) _pay(decoded._poolKey.token0, decoded.payer, pool, amount0Owed);
if (amount1Owed > 0) _pay(decoded._poolKey.token1, decoded.payer, pool, amount1Owed);
}
/// @inheritdoc IUniV3PairManager
function burn(
uint128 liquidity,
uint256 amount0Min,
uint256 amount1Min,
address to
) external override returns (uint256 amount0, uint256 amount1) {
(amount0, amount1) = IUniswapV3Pool(pool).burn(_TICK_LOWER, _TICK_UPPER, liquidity);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
IUniswapV3Pool(pool).collect(to, _TICK_LOWER, _TICK_UPPER, uint128(amount0), uint128(amount1));
_burn(msg.sender, liquidity);
}
/// @inheritdoc IUniV3PairManager
function collect() external override onlyGovernance returns (uint256 amount0, uint256 amount1) {
(, , , uint128 tokensOwed0, uint128 tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
(amount0, amount1) = IUniswapV3Pool(pool).collect(governance, _TICK_LOWER, _TICK_UPPER, tokensOwed0, tokensOwed1);
}
/// @inheritdoc IUniV3PairManager
function position()
external
view
override
returns (
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
(liquidity, feeGrowthInside0LastX128, feeGrowthInside1LastX128, tokensOwed0, tokensOwed1) = IUniswapV3Pool(pool).positions(
keccak256(abi.encodePacked(address(this), _TICK_LOWER, _TICK_UPPER))
);
}
/// @inheritdoc IERC20
function approve(address spender, uint256 amount) external override returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
/// @inheritdoc IERC20
function transfer(address to, uint256 amount) external override returns (bool) {
_transferTokens(msg.sender, to, amount);
return true;
}
/// @inheritdoc IERC20
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
address spender = msg.sender;
uint256 spenderAllowance = allowance[from][spender];
if (spender != from && spenderAllowance != type(uint256).max) {
uint256 newAllowance = spenderAllowance - amount;
allowance[from][spender] = newAllowance;
emit Approval(from, spender, newAllowance);
}
_transferTokens(from, to, amount);
return true;
}
/// @notice Adds liquidity to an initialized pool
/// @dev Reverts if the returned amount0 is less than amount0Min or if amount1 is less than amount1Min
/// @dev This function calls the mint function of the corresponding Uniswap pool, which in turn calls UniswapV3Callback
/// @param amount0Desired The amount of token0 we would like to provide
/// @param amount1Desired The amount of token1 we would like to provide
/// @param amount0Min The minimum amount of token0 we want to provide
/// @param amount1Min The minimum amount of token1 we want to provide
/// @return liquidity The calculated liquidity we get for the token amounts we provided
/// @return amount0 The amount of token0 we ended up providing
/// @return amount1 The amount of token1 we ended up providing
function _addLiquidity(
uint256 amount0Desired,
uint256 amount1Desired,
uint256 amount0Min,
uint256 amount1Min
)
internal
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint160 sqrtPriceX96, , , , , , ) = IUniswapV3Pool(pool).slot0();
liquidity = LiquidityAmounts.getLiquidityForAmounts(sqrtPriceX96, sqrtRatioAX96, sqrtRatioBX96, amount0Desired, amount1Desired);
(amount0, amount1) = IUniswapV3Pool(pool).mint(
address(this),
_TICK_LOWER,
_TICK_UPPER,
liquidity,
abi.encode(MintCallbackData({_poolKey: _poolKey, payer: msg.sender}))
);
if (amount0 < amount0Min || amount1 < amount1Min) revert ExcessiveSlippage();
}
/// @notice Transfers the passed-in token from the payer to the recipient for the corresponding value
/// @param token The token to be transferred to the recipient
/// @param from The address of the payer
/// @param to The address of the passed-in tokens recipient
/// @param value How much of that token to be transferred from payer to the recipient
function _pay(
address token,
address from,
address to,
uint256 value
) internal {
_safeTransferFrom(token, from, to, value);
}
/// @notice Mints Keep3r credits to the passed-in address of recipient and increases total supply of Keep3r credits by the corresponding amount
/// @param to The recipient of the Keep3r credits
/// @param amount The amount Keep3r credits to be minted to the recipient
function _mint(address to, uint256 amount) internal {
totalSupply += amount;
balanceOf[to] += amount;
emit Transfer(address(0), to, amount);
}
/// @notice Burns Keep3r credits to the passed-in address of recipient and reduces total supply of Keep3r credits by the corresponding amount
/// @param to The address that will get its Keep3r credits burned
/// @param amount The amount Keep3r credits to be burned from the recipient/recipient
function _burn(address to, uint256 amount) internal {
totalSupply -= amount;
balanceOf[to] -= amount;
emit Transfer(to, address(0), amount);
}
/// @notice Transfers amount of Keep3r credits between two addresses
/// @param from The user that transfers the Keep3r credits
/// @param to The user that receives the Keep3r credits
/// @param amount The amount of Keep3r credits to be transferred
function _transferTokens(
address from,
address to,
uint256 amount
) internal {
balanceOf[from] -= amount;
balanceOf[to] += amount;
emit Transfer(from, to, amount);
}
/// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to"
function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
} | _safeTransferFrom | function _safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
if (!success || (data.length != 0 && !abi.decode(data, (bool)))) revert UnsuccessfulTransfer();
}
| /// @notice Transfers the passed-in token from the specified "from" to the specified "to" for the corresponding value
/// @dev Reverts with IUniV3PairManager#UnsuccessfulTransfer if the transfer was not successful,
/// or if the passed data length is different than 0 and the decoded data is not a boolean
/// @param token The token to be transferred to the specified "to"
/// @param from The address which is going to transfer the tokens
/// @param value How much of that token to be transferred from "from" to "to" | NatSpecSingleLine | v0.8.7+commit.e28d00a7 | {
"func_code_index": [
9349,
9746
]
} | 7,616 |
||||
NaturalFlavors | NaturalFlavors.sol | 0xbd1ca111380b436350034c7040e7c44949605702 | Solidity | NaturalFlavors | contract NaturalFlavors is ERC721, ERC721Burnable, Ownable {
using Strings for uint256;
bytes4 private constant _INTERFACE_ID_ERC2981 = 0x2a55205a;
uint private _tokenIdCounter;
string public baseDefaultUrl;
string public baseDefaultUrlExtension;
string public license;
address public mintingAddress;
address public royaltyBenificiary;
uint public royaltyBasisPoints;
mapping(uint256 => string) public tokenIdToMetadata;
event ProjectEvent(address indexed poster, string indexed eventType, string content);
event TokenEvent(address indexed poster, uint256 indexed tokenId, string indexed eventType, string content);
constructor(
string memory _baseDefaultUrl
) ERC721('NaturalFlavors', 'FLAV') {
baseDefaultUrl = _baseDefaultUrl;
baseDefaultUrlExtension = '.json';
license = 'CC BY-NC 4.0';
royaltyBasisPoints = 750;
_tokenIdCounter = 0;
mintingAddress = msg.sender;
royaltyBenificiary = msg.sender;
}
function totalSupply() public view virtual returns (uint256) {
return _tokenIdCounter - 1;
}
function mint(address to) public {
require(mintingAddress == _msgSender(), 'Caller is not the minting address');
_mint(to, _tokenIdCounter);
_tokenIdCounter++;
}
function batchMint(address[] memory addresses) public {
require(mintingAddress == _msgSender(), 'Caller is not the minting address');
for (uint i = 0; i < addresses.length; i++) {
_mint(addresses[i], _tokenIdCounter);
_tokenIdCounter++;
}
}
function setMintingAddress(address minter) public onlyOwner {
mintingAddress = minter;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), 'ERC721Metadata: URI query for nonexistent token');
bytes memory stringBytes = bytes(tokenIdToMetadata[tokenId]);
if (stringBytes.length == 0) {
string memory tokenString = tokenId.toString();
return string(abi.encodePacked(baseDefaultUrl, tokenString, baseDefaultUrlExtension));
}
string memory json = Base64.encode(stringBytes);
return string(abi.encodePacked('data:application/json;base64,', json));
}
function updateBaseUrl(string memory _baseDefaultUrl, string memory _baseUrlExtension) public onlyOwner {
baseDefaultUrl = _baseDefaultUrl;
baseDefaultUrlExtension = _baseUrlExtension;
}
function updateTokenMetadata(
uint256 tokenId,
string memory tokenMetadata
) public onlyOwner {
tokenIdToMetadata[tokenId] = tokenMetadata;
}
function updateLicense(
string memory _license
) public onlyOwner {
license = _license;
}
function emitProjectEvent(string memory _eventType, string memory _content) public onlyOwner {
emit ProjectEvent(_msgSender(), _eventType, _content);
}
function emitTokenEvent(uint256 tokenId, string memory _eventType, string memory _content) public {
require(
owner() == _msgSender() || ERC721.ownerOf(tokenId) == _msgSender(),
'Only project or token owner can emit token event'
);
emit TokenEvent(_msgSender(), tokenId, _eventType, _content);
}
function updatRoyaltyInfo(
address _royaltyBenificiary,
uint256 _royaltyBasisPoints
) public onlyOwner {
royaltyBenificiary = _royaltyBenificiary;
royaltyBasisPoints = _royaltyBasisPoints;
}
function royaltyInfo(uint256 _tokenId, uint256 _salePrice) external view returns (address, uint256) {
return (royaltyBenificiary, _salePrice * royaltyBasisPoints / 10000);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721) returns (bool) {
return interfaceId == _INTERFACE_ID_ERC2981 || super.supportsInterface(interfaceId);
}
} | supportsInterface | function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721) returns (bool) {
return interfaceId == _INTERFACE_ID_ERC2981 || super.supportsInterface(interfaceId);
}
| /**
* @dev See {IERC165-supportsInterface}.
*/ | NatSpecMultiLine | v0.8.2+commit.661d1103 | MIT | ipfs://91dd467f20c43cd652e343d83c94f42d1022239141651747c0e9ff30e838d007 | {
"func_code_index": [
3592,
3787
]
} | 7,617 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | mul | function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
| /**
* @dev Multiplies two numbers, throws on overflow.
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
89,
476
]
} | 7,618 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | 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 | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
560,
840
]
} | 7,619 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | 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 | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
954,
1070
]
} | 7,620 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | 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 | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
1134,
1264
]
} | 7,621 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | getPersonalStakeUnlockedTimestamps | function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
| /**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
2614,
2830
]
} | 7,622 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | getPersonalStakeActualAmounts | function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
| /**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
3144,
3364
]
} | 7,623 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | getPersonalStakeForAddresses | function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
| /**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
3676,
3883
]
} | 7,624 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | stake | function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
| /**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
4167,
4326
]
} | 7,625 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | stakeFor | function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
| /**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
4677,
4849
]
} | 7,626 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | unstake | function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
| /**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
5584,
5698
]
} | 7,627 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | totalStakedFor | function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
| /**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
5910,
6042
]
} | 7,628 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | totalStaked | function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
| /**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
6182,
6286
]
} | 7,629 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | token | function token() public view returns (address) {
return stakingToken;
}
| /**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
6444,
6526
]
} | 7,630 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | supportsHistory | function supportsHistory() public pure returns (bool) {
return false;
}
| /**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
6808,
6890
]
} | 7,631 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | getPersonalStakes | function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
| /**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
7174,
8163
]
} | 7,632 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | createStake | function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
| /**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
8522,
9244
]
} | 7,633 |
||
BasicStakingContract | BasicStakingContract.sol | 0x583d4d39b740e2582febab65a9437e46692f932a | Solidity | ERC900BasicStakeContract | contract ERC900BasicStakeContract is ERC900 {
// @TODO: deploy this separately so we don't have to deploy it multiple times for each contract
using SafeMath for uint256;
// Token used for staking
ERC20 stakingToken;
// The default duration of stake lock-in (in seconds)
uint256 public defaultLockInDuration;
// To save on gas, rather than create a separate mapping for totalStakedFor & personalStakes,
// both data structures are stored in a single mapping for a given addresses.
//
// It's possible to have a non-existing personalStakes, but have tokens in totalStakedFor
// if other users are staking on behalf of a given address.
mapping (address => StakeContract) public stakeHolders;
// Struct for personal stakes (i.e., stakes made by this address)
// unlockedTimestamp - when the stake unlocks (in seconds since Unix epoch)
// actualAmount - the amount of tokens in the stake
// stakedFor - the address the stake was staked for
struct Stake {
uint256 unlockedTimestamp;
uint256 actualAmount;
address stakedFor;
}
// Struct for all stake metadata at a particular address
// totalStakedFor - the number of tokens staked for this address
// personalStakeIndex - the index in the personalStakes array.
// personalStakes - append only array of stakes made by this address
// exists - whether or not there are stakes that involve this address
struct StakeContract {
uint256 totalStakedFor;
uint256 personalStakeIndex;
Stake[] personalStakes;
bool exists;
}
/**
* @dev Modifier that checks that this contract can transfer tokens from the
* balance in the stakingToken contract for the given address.
* @dev This modifier also transfers the tokens.
* @param _address address to transfer tokens from
* @param _amount uint256 the number of tokens
*/
modifier canStake(address _address, uint256 _amount) {
require(
stakingToken.transferFrom(_address, this, _amount),
"Stake required");
_;
}
/**
* @dev Constructor function
* @param _stakingToken ERC20 The address of the token contract used for staking
*/
constructor(ERC20 _stakingToken) public {
stakingToken = _stakingToken;
}
/**
* @dev Returns the timestamps for when active personal stakes for an address will unlock
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of timestamps
*/
function getPersonalStakeUnlockedTimestamps(address _address) external view returns (uint256[]) {
uint256[] memory timestamps;
(timestamps,,) = getPersonalStakes(_address);
return timestamps;
}
/**
* @dev Returns the stake actualAmount for active personal stakes for an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return uint256[] array of actualAmounts
*/
function getPersonalStakeActualAmounts(address _address) external view returns (uint256[]) {
uint256[] memory actualAmounts;
(,actualAmounts,) = getPersonalStakes(_address);
return actualAmounts;
}
/**
* @dev Returns the addresses that each personal stake was created for by an address
* @dev These accessors functions are needed until https://github.com/ethereum/web3.js/issues/1241 is solved
* @param _address address that created the stakes
* @return address[] array of amounts
*/
function getPersonalStakeForAddresses(address _address) external view returns (address[]) {
address[] memory stakedFor;
(,,stakedFor) = getPersonalStakes(_address);
return stakedFor;
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the user
* @notice MUST trigger Staked event
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stake(uint256 _amount, bytes _data) public {
createStake(
msg.sender,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Stakes a certain amount of tokens, this MUST transfer the given amount from the caller
* @notice MUST trigger Staked event
* @param _user address the address the tokens are staked for
* @param _amount uint256 the amount of tokens to stake
* @param _data bytes optional data to include in the Stake event
*/
function stakeFor(address _user, uint256 _amount, bytes _data) public {
createStake(
_user,
_amount,
defaultLockInDuration,
_data);
}
/**
* @notice Unstakes a certain amount of tokens, this SHOULD return the given amount of tokens to the user, if unstaking is currently not possible the function MUST revert
* @notice MUST trigger Unstaked event
* @dev Unstaking tokens is an atomic operation—either all of the tokens in a stake, or none of the tokens.
* @dev Users can only unstake a single stake at a time, it is must be their oldest active stake. Upon releasing that stake, the tokens will be
* transferred back to their account, and their personalStakeIndex will increment to the next active stake.
* @param _amount uint256 the amount of tokens to unstake
* @param _data bytes optional data to include in the Unstake event
*/
function unstake(uint256 _amount, bytes _data) public {
withdrawStake(
_amount,
_data);
}
/**
* @notice Returns the current total of tokens staked for an address
* @param _address address The address to query
* @return uint256 The number of tokens staked for the given address
*/
function totalStakedFor(address _address) public view returns (uint256) {
return stakeHolders[_address].totalStakedFor;
}
/**
* @notice Returns the current total of tokens staked
* @return uint256 The number of tokens staked in the contract
*/
function totalStaked() public view returns (uint256) {
return stakingToken.balanceOf(this);
}
/**
* @notice Address of the token being used by the staking interface
* @return address The address of the ERC20 token used for staking
*/
function token() public view returns (address) {
return stakingToken;
}
/**
* @notice MUST return true if the optional history functions are implemented, otherwise false
* @dev Since we don't implement the optional interface, this always returns false
* @return bool Whether or not the optional history functions are implemented
*/
function supportsHistory() public pure returns (bool) {
return false;
}
/**
* @dev Helper function to get specific properties of all of the personal stakes created by an address
* @param _address address The address to query
* @return (uint256[], uint256[], address[])
* timestamps array, actualAmounts array, stakedFor array
*/
function getPersonalStakes(
address _address
)
public
view
returns(uint256[], uint256[], address[])
{
StakeContract storage stakeContract = stakeHolders[_address];
uint256 arraySize = stakeContract.personalStakes.length - stakeContract.personalStakeIndex;
uint256[] memory unlockedTimestamps = new uint256[](arraySize);
uint256[] memory actualAmounts = new uint256[](arraySize);
address[] memory stakedFor = new address[](arraySize);
for (uint256 i = stakeContract.personalStakeIndex; i < stakeContract.personalStakes.length; i++) {
uint256 index = i - stakeContract.personalStakeIndex;
unlockedTimestamps[index] = stakeContract.personalStakes[i].unlockedTimestamp;
actualAmounts[index] = stakeContract.personalStakes[i].actualAmount;
stakedFor[index] = stakeContract.personalStakes[i].stakedFor;
}
return (
unlockedTimestamps,
actualAmounts,
stakedFor
);
}
/**
* @dev Helper function to create stakes for a given address
* @param _address address The address the stake is being created for
* @param _amount uint256 The number of tokens being staked
* @param _lockInDuration uint256 The duration to lock the tokens for
* @param _data bytes optional data to include in the Stake event
*/
function createStake(
address _address,
uint256 _amount,
uint256 _lockInDuration,
bytes _data
)
internal
canStake(msg.sender, _amount)
{
require(
_amount > 0,
"Stake amount has to be greater than 0!");
if (!stakeHolders[msg.sender].exists) {
stakeHolders[msg.sender].exists = true;
}
stakeHolders[_address].totalStakedFor = stakeHolders[_address].totalStakedFor.add(_amount);
stakeHolders[msg.sender].personalStakes.push(
Stake(
block.timestamp.add(_lockInDuration),
_amount,
_address)
);
emit Staked(
_address,
_amount,
totalStakedFor(_address),
_data);
}
/**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/
function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
} | withdrawStake | function withdrawStake(
uint256 _amount,
bytes _data
)
internal
{
Stake storage personalStake = stakeHolders[msg.sender].personalStakes[stakeHolders[msg.sender].personalStakeIndex];
// Check that the current stake has unlocked & matches the unstake amount
require(
personalStake.unlockedTimestamp <= block.timestamp,
"The current stake hasn't unlocked yet");
require(
personalStake.actualAmount == _amount,
"The unstake amount does not match the current stake");
// Transfer the staked tokens from this contract back to the sender
// Notice that we are using transfer instead of transferFrom here, so
// no approval is needed beforehand.
require(
stakingToken.transfer(msg.sender, _amount),
"Unable to withdraw stake");
stakeHolders[personalStake.stakedFor].totalStakedFor = stakeHolders[personalStake.stakedFor]
.totalStakedFor.sub(personalStake.actualAmount);
personalStake.actualAmount = 0;
stakeHolders[msg.sender].personalStakeIndex++;
emit Unstaked(
personalStake.stakedFor,
_amount,
totalStakedFor(personalStake.stakedFor),
_data);
}
| /**
* @dev Helper function to withdraw stakes for the msg.sender
* @param _amount uint256 The amount to withdraw. MUST match the stake amount for the
* stake at personalStakeIndex.
* @param _data bytes optional data to include in the Unstake event
*/ | NatSpecMultiLine | v0.4.26+commit.4563c3fc | None | bzzr://4b303eb18851047dc1d29ae82f12547c01d9658bb358f1143c0be5c6bdd9f246 | {
"func_code_index": [
9522,
10739
]
} | 7,634 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.s
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | totalSupply | function totalSupply() external view returns (uint256);
| /**
* @dev Returns the amount of tokens in existence.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
94,
154
]
} | 7,635 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.s
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | balanceOf | function balanceOf(address account) external view returns (uint256);
| /**
* @dev Returns the amount of tokens owned by `account`.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
237,
310
]
} | 7,636 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.s
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | transfer | function transfer(address recipient, uint256 amount) external returns (bool);
| /**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.s
*
* Emits a {Transfer} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
535,
617
]
} | 7,637 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.s
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | allowance | function allowance(address owner, address spender) external view returns (uint256);
| /**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
896,
984
]
} | 7,638 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.s
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | approve | function approve(address spender, uint256 amount) external returns (bool);
| /**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
1648,
1727
]
} | 7,639 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | IERC20 | interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.s
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
} | transferFrom | function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
| /**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
2040,
2142
]
} | 7,640 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | isContract | function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
| /**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
606,
1230
]
} | 7,641 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | sendValue | function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
| /**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
2160,
2562
]
} | 7,642 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCall | function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
| /**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
3318,
3496
]
} | 7,643 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCall | function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
| /**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
3721,
3922
]
} | 7,644 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCallWithValue | function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
| /**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
4292,
4523
]
} | 7,645 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Address | library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | functionCallWithValue | function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
| /**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
4774,
5095
]
} | 7,646 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | add | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
| /**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
259,
445
]
} | 7,647 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | sub | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
| /**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
723,
864
]
} | 7,648 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | sub | function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
| /**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
1162,
1359
]
} | 7,649 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
| /**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
1613,
2089
]
} | 7,650 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | div | function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
| /**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
2560,
2697
]
} | 7,651 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | div | function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
| /**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
3188,
3471
]
} | 7,652 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | mod | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
| /**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
3931,
4066
]
} | 7,653 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | SafeMath | library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | mod | function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
| /**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
4546,
4717
]
} | 7,654 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return address(0);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | owner | function owner() public view returns (address) {
return address(0);
}
| /**
* @dev Returns the address of the current owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
497,
585
]
} | 7,655 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return address(0);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | renounceOwnership | function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
}
| /**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
1143,
1266
]
} | 7,656 |
||
MewtwoRise | MewtwoRise.sol | 0xabf941ee6094703d2394916f28a09f3674baa0fc | Solidity | Ownable | contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return address(0);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | transferOwnership | function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
| /**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | None | ipfs://873e3ad67ca064d8b52085709d9e5c4566d457ed26abe8238f784aa353a21b68 | {
"func_code_index": [
1416,
1665
]
} | 7,657 |
||
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | name | function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
| // ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************ | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
2215,
2644
]
} | 7,658 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | adjustPosition | function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
| // called by tend. 0 bc there's no change in debt | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
4481,
4588
]
} | 7,659 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | _adjustPosition | function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
| // Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper) | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
4764,
4894
]
} | 7,660 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | _liquidatePosition | function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
| // without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after. | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
5006,
5796
]
} | 7,661 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | liquidatePosition | function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
| // called when user withdraws from vault. Rebalance after | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
5862,
6099
]
} | 7,662 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | _liquidateAllPositions | function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
| // without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after. | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
6211,
6406
]
} | 7,663 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | liquidateAllPositions | function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
| // called during emergency exit. Rebalance after to halt pool | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
6476,
6660
]
} | 7,664 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | prepareMigration | function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
| // NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
6738,
6966
]
} | 7,665 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | migrateRebalancer | function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
| // only called by rebalancer | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
7003,
7251
]
} | 7,666 |
JointProvider | JointProvider.sol | 0x580ae3aed3e8e8d83c970fa6d2766c0fb8af759f | Solidity | JointProvider | contract JointProvider is BaseStrategy {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
IRebalancer public rebalancer;
IPriceFeed public oracle;
uint constant public max = type(uint).max;
bool internal isOriginal = true;
constructor(address _vault, address _oracle) public BaseStrategy(_vault) {
_initializeStrat(_oracle);
}
function initialize(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external {
_initialize(_vault, _strategist, _rewards, _keeper);
_initializeStrat(_oracle);
}
function _initializeStrat(address _oracle) internal {
oracle = IPriceFeed(_oracle);
healthCheck = address(0xDDCea799fF1699e98EDF118e0629A974Df7DF012);
}
function setRebalancer(address payable _rebalancer) external onlyVaultManagers {
want.approve(_rebalancer, max);
rebalancer = IRebalancer(_rebalancer);
require(rebalancer.tokenA() == want || rebalancer.tokenB() == want);
}
event Cloned(address indexed clone);
function cloneProvider(
address _vault,
address _strategist,
address _rewards,
address _keeper,
address _oracle
) external returns (address newStrategy) {
require(isOriginal);
bytes20 addressBytes = bytes20(address(this));
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(clone_code, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone_code, 0x14), addressBytes)
mstore(add(clone_code, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
newStrategy := create(0, clone_code, 0x37)
}
JointProvider(newStrategy).initialize(
_vault,
_strategist,
_rewards,
_keeper,
_oracle
);
emit Cloned(newStrategy);
}
// ******** OVERRIDE THESE METHODS FROM BASE CONTRACT ************
function name() external view override returns (string memory) {
if (address(rebalancer) == address(0x0)) {
return string(abi.encodePacked(ISymbol(address(want)).symbol(), " JointProvider "));
} else {
return string(
abi.encodePacked(rebalancer.name()[0], ISymbol(address(want)).symbol(), " JointProvider ", rebalancer.name()[1])
);
}
}
function estimatedTotalAssets() public view override returns (uint) {
return want.balanceOf(address(this)).add(rebalancer.totalBalanceOf(want));
}
function harvestTrigger(uint callCostInWei) public view override returns (bool){
return super.harvestTrigger(callCostInWei) && rebalancer.shouldHarvest();
}
function tendTrigger(uint callCostInWei) public view override returns (bool){
return rebalancer.shouldTend();
}
function prepareReturn(uint _debtOutstanding) internal override returns (uint _profit, uint _loss, uint _debtPayment) {
uint beforeWant = balanceOfWant();
rebalancer.collectTradingFees();
_profit += balanceOfWant().sub(beforeWant);
if (_debtOutstanding > 0) {
if (vault.strategies(address(this)).debtRatio == 0) {
_debtPayment = _liquidateAllPositions();
_loss = _debtOutstanding > _debtPayment ? _debtOutstanding.sub(_debtPayment) : 0;
} else {
(_debtPayment, _loss) = _liquidatePosition(_debtOutstanding);
}
}
// Interestingly, if you overpay on debt payment, the overpaid amount just sits in the strat.
// Report overpayment as profit
if (_debtPayment > _debtOutstanding) {
_profit += _debtPayment.sub(_debtOutstanding);
_debtPayment = _debtOutstanding;
}
beforeWant = balanceOfWant();
rebalancer.sellRewards();
_profit += balanceOfWant().sub(beforeWant);
if (_profit > _loss) {
_profit = _profit.sub(_loss);
_loss = 0;
} else {
_loss = _loss.sub(_profit);
_profit = 0;
}
}
// called by tend. 0 bc there's no change in debt
function adjustPosition(uint _debtOutstanding) internal override {
_adjustPosition(0);
}
// Called during withdraw in order to rebalance to the new debt.
// This is necessary so that withdraws will rebalance immediately (instead of waiting for keeper)
function _adjustPosition(uint _amountWithdrawn) internal {
rebalancer.adjustPosition(_amountWithdrawn, want);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidatePosition(uint _amountNeeded) internal returns (uint _liquidatedAmount, uint _loss) {
uint loose = balanceOfWant();
uint pooled = rebalancer.pooledBalance(rebalancer.tokenIndex(want));
if (_amountNeeded > loose) {
uint _amountNeededMore = _amountNeeded.sub(loose);
if (_amountNeededMore >= pooled) {
rebalancer.liquidateAllPositions(want, address(this));
} else {
rebalancer.liquidatePosition(_amountNeededMore, want, address(this));
}
_liquidatedAmount = balanceOfWant();
_loss = _amountNeeded.sub(_liquidatedAmount);
} else {
_liquidatedAmount = _amountNeeded;
_loss = 0;
}
}
// called when user withdraws from vault. Rebalance after
function liquidatePosition(uint _amountNeeded) internal override returns (uint _liquidatedAmount, uint _loss) {
(_liquidatedAmount, _loss) = _liquidatePosition(_amountNeeded);
_adjustPosition(_amountNeeded);
}
// without adjustPosition. Called internally by prepareReturn. Harvests will call adjustPosition after.
function _liquidateAllPositions() internal returns (uint _amountFreed) {
rebalancer.liquidateAllPositions(want, address(this));
return want.balanceOf(address(this));
}
// called during emergency exit. Rebalance after to halt pool
function liquidateAllPositions() internal override returns (uint _amountFreed) {
_amountFreed = _liquidateAllPositions();
_adjustPosition(type(uint).max);
}
// NOTE: Can override `tendTrigger` and `harvestTrigger` if necessary
function prepareMigration(address _newStrategy) internal override {
// NOTE: `migrate` will automatically forward all `want` in this strategy to the new one
rebalancer.migrateProvider(_newStrategy);
}
// only called by rebalancer
function migrateRebalancer(address payable _newRebalancer) external {
require(msg.sender == address(rebalancer), "Not rebalancer!");
rebalancer = IRebalancer(_newRebalancer);
want.approve(_newRebalancer, max);
}
function protectedTokens() internal view override returns (address[] memory) {}
function ethToWant(uint _amtInWei) public view virtual override returns (uint) {
return rebalancer.ethToWant(address(want), _amtInWei);
}
// Helpers //
function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
function totalDebt() public view returns (uint _debt){
return vault.strategies(address(this)).totalDebt;
}
function getPriceFeed() public view returns (uint _lastestAnswer){
return oracle.latestAnswer();
}
function getPriceFeedDecimals() public view returns (uint _dec){
return oracle.decimals();
}
function isVaultManagers(address _address) public view returns (bool){
return _address == vault.governance() || _address == vault.management();
}
} | /**
* Adapts Vault hooks to Balancer Contract and JointAdapter pair
*/ | NatSpecMultiLine | balanceOfWant | function balanceOfWant() public view returns (uint _balance){
return want.balanceOf(address(this));
}
| // Helpers // | LineComment | v0.6.12+commit.27d51765 | Unknown | ipfs://0e6c2d2fdb84fd980f0785284dfb7ccbeda15e40002a582c536ba262eed1a3e8 | {
"func_code_index": [
7519,
7639
]
} | 7,667 |
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | registerSignal | function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
| // @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
902,
1581
]
} | 7,668 |
||||
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | whitelistsignalProvider | function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
| // @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
1710,
1883
]
} | 7,669 |
||||
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | deWhitelistsignalProvider | function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
| // @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
2018,
2196
]
} | 7,670 |
||||
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | withdrawSignal | function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
| // @notice make a signal inactive
// @dev caller must be signal owner | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
2447,
2656
]
} | 7,671 |
||||
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | submitSignal | function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
| // @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use. | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
2954,
3439
]
} | 7,672 |
||||
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | updateSignal | function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
| // @notice do nothing. this function is from ISignal. | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
3499,
3633
]
} | 7,673 |
||||
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | getSignalSymbols | function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
| // @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
3772,
4079
]
} | 7,674 |
||||
XPNSignal | contracts/XPNSimpleSignal.sol | 0xa7a564621ce88665bb7ca37b72af14da11fb1db1 | Solidity | XPNSignal | contract XPNSignal is ISignal, Ownable {
struct signalMetaData {
string signalType;
bool signalExist;
bool signalActive;
}
mapping(address => mapping(string => bool)) ownSignals;
mapping(string => int256[]) signalsWeight;
mapping(string => string[]) signalsSymbol;
mapping(string => signalMetaData) signalsMetaData;
mapping(address => bool) signalProviderWhitelist;
address[] assetAddress;
event SignalProviderWhitelisted(address wallet);
event SignalProviderDeWhitelisted(address wallet);
constructor() {
whitelistsignalProvider(msg.sender);
}
// @notice register a new signal. caller will own the signal
// @param signalName unique identifier of the signal.
// @param signalType general info about the signal.
// @param symbols list of symbol that this signal will address. order sensitive. immutable
function registerSignal(
string memory signalName,
string memory signalType,
string[] memory symbols
) external override returns (string memory) {
require(
_signalProviderIsWhitelisted(msg.sender),
"Wallet is not whitelisted"
);
if (signalsMetaData[signalName].signalExist) {
revert("signal already exist");
}
ownSignals[msg.sender][signalName] = true;
signalsMetaData[signalName] = signalMetaData({
signalType: signalType,
signalExist: true,
signalActive: false
});
signalsSymbol[signalName] = symbols;
}
// @notice whitelist wallet by address
// @param address of the wallet to whitelist
// @dev only callable by owner
function whitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = true;
emit SignalProviderWhitelisted(wallet);
}
// @notice un-whitelist wallet by address
// @param address of the wallet to un-whitelist
// @dev only callable by owner
function deWhitelistsignalProvider(address wallet) public onlyOwner {
signalProviderWhitelist[wallet] = false;
emit SignalProviderDeWhitelisted(wallet);
}
function _signalProviderIsWhitelisted(address wallet)
private
view
returns (bool)
{
return signalProviderWhitelist[wallet];
}
// @notice make a signal inactive
// @dev caller must be signal owner
function withdrawSignal(string memory signalName) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
signalsMetaData[signalName].signalActive = false;
}
// @notice signal weight setter. just store signal weight as signal.
// @dev some of the param are just from ISignal, not really in use.
// @param signalName unique identifier of signal
// @param ref not in use.
// @param weights of each asset.
// @param data not in use.
function submitSignal(
string memory signalName,
string[] memory ref,
int256[] memory weights,
bytes calldata data
) external override {
require(ownSignals[msg.sender][signalName], "not your signal");
require(
weights.length == signalsSymbol[signalName].length,
"signal length mismatch"
);
signalsWeight[signalName] = weights;
signalsMetaData[signalName].signalActive = true;
}
// @notice do nothing. this function is from ISignal.
function updateSignal(string memory signalName) external override {
revert("this signal do not require any update");
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return string[] list of symbol
function getSignalSymbols(string memory signalName)
external
view
override
returns (string[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsSymbol[signalName];
}
// @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols.
function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
} | getSignal | function getSignal(string memory signalName)
external
view
override
returns (int256[] memory)
{
require(
signalsMetaData[signalName].signalActive,
"signal not available"
);
return signalsWeight[signalName];
}
| // @notice get symbol list of the signal
// @param signalName unique identifier of signal
// @return int256[] signal, % target allocation between each symbols. | LineComment | v0.8.0+commit.c7dfd78e | {
"func_code_index": [
4253,
4554
]
} | 7,675 |
||||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | totalGardenSupply | function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
| /* ========== internal ========== */ | Comment | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
1465,
1619
]
} | 7,676 |
||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | totalTLPDecomposed | function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
| /*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/ | Comment | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
2086,
2248
]
} | 7,677 |
||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | plant | function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
| /* ========== internal garden ========== */ | Comment | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
4705,
5768
]
} | 7,678 |
||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | claimDecompose | function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
| // test morning | LineComment | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
8474,
10114
]
} | 7,679 |
||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | addTokenOwner | function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
| /* ========== internal functions ========== */ | Comment | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
10227,
10414
]
} | 7,680 |
||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | tulipType | function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
| /* ========== HELPER FUNCTIONS ========== */ | Comment | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
10865,
11302
]
} | 7,681 |
||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | setRewardDurationSeeds | function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
| /* ========== REAL FUNCTIONS ========== */ | Comment | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
16004,
16462
]
} | 7,682 |
||
GardenContractV2 | contracts/GardenContractV2.sol | 0x1d6efde41748bc14ec13202f2fcf68a726a21c50 | Solidity | GardenContractV2 | contract GardenContractV2 is Ownable {
using SafeMath for uint256;
using SafeERC20 for TulipToken;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
address internal _benefitiaryAddress = 0x68c1A22aD90f168aa19F800bFB115fB4D52F4AD9; //Founder Address
uint256 internal _epochBlockStart = 1600610400;
uint256 internal _timeScale = (1 days);
//uint256 internal _timeScale = (1 seconds);
//uint8 private _pinkTulipDivider = 100;
uint256 private _decimalConverter = 10**9;
//uint256[3] internal _totalGrowing;
uint256[3] internal _totalGrown; /* REMEMBER THE DIFFERENCE */
uint256[3] internal _totalBurnt;
uint256[2] internal _totalDecomposed;
TulipToken[3] private _token;
uint256[3] private _totalSupply;
struct tulipToken{
mapping(address => bool) forSeeds;
mapping(address => uint256) planted;
mapping(address => uint256) periodFinish; //combine with decomposing
mapping(address => bool) isDecomposing;
}
tulipToken[10][3] private _tulipToken;
/* ========== CONSTRUCTOR ========== */
constructor(address _seedToken, address _basicTulipToken, address _advTulipToken) public Ownable() {
_token[0] = TulipToken(_seedToken);
_token[1] = TulipToken(_basicTulipToken);
_token[2] = TulipToken(_advTulipToken);
}
/* ========== VIEWS ========== */
/* ========== internal ========== */
function totalGardenSupply(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalSupply[i] ;
}
function totalBedSupply(string calldata name, uint8 garden) external view returns (uint256, bool, bool) {
uint8 i = tulipType(name);
return (_tulipToken[i][garden].planted[msg.sender], _tulipToken[i][garden].isDecomposing[msg.sender], _tulipToken[i][garden].forSeeds[msg.sender]);
}
/*function totalTLPGrowing(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrowing[i];
}*/
function totalTLPDecomposed(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name) - 1;
return _totalDecomposed[i];
}
function totalTLPGrown(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalGrown[i];
}
function totalTLPBurnt(string calldata name) external view returns (uint256) {
uint8 i = tulipType(name);
return _totalBurnt[i];
}
function growthRemaining(address account, string calldata name, uint8 garden) external view returns (uint256) {
uint8 i = tulipType(name);
//return _tulipToken[i][garden].periodFinish[account].sub(now);
return _tulipToken[i][garden].periodFinish[account];
}
function timeUntilNextTLP(string calldata name, uint8 garden) external view returns (uint256) {
uint256 plantTimeSeconds = _tulipToken[tulipType(name)][garden].periodFinish[msg.sender].sub(7 * _timeScale);
uint256 secondsDifference = now - plantTimeSeconds;
uint256 weeksSincePlanting = (secondsDifference).div(60).div(60).div(24).div(7);
//uint256 weeksSincePlanting = (secondsDifference).div(7);
if((((secondsDifference).div(60).div(60).div(24)) % 7) > 0){
//if((((secondsDifference)) % 7) > 0){
weeksSincePlanting = weeksSincePlanting.add(1);
return plantTimeSeconds.add(weeksSincePlanting.mul(7 * _timeScale)).sub(secondsDifference);
}
else{
return 0;
}
}
function balanceOf(address account, string calldata name) external view returns (uint256)
{
uint8 i = tulipType(name);
uint256 total;
for(uint8 k; k < _tulipToken[0].length; k++){
total = total + _tulipToken[i][k].planted[account];
}
return total;
}
function getTotalrTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = redTulipRewardAmount(garden);
return total;
}
function getTotalpTLPHarvest(uint8 garden) external view returns (uint256[2] memory){
uint256[2] memory total;
if(_tulipToken[1][garden].forSeeds[msg.sender]){
total[1] = pinkTulipRewardAmount(garden);
}
else{
total[0] = _tulipToken[1][garden].planted[msg.sender];
}
return total;
}
/*function getTotalsTLPHarvest(uint8 garden) external view returns (uint256){
uint256 total;
total = _tulipToken[0][garden].planted[msg.sender];
return total;
} */
/* ========== MUTATIVE FUNCTIONS ========== */
/* ========== internal garden ========== */
function plant(uint256 amount, string calldata name, uint8 garden, bool forSeeds) external {
uint8 i = tulipType(name);
//require(amount >= 1, "199");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && now > _tulipToken[i][garden].periodFinish[msg.sender],
"201");//You must withdraw or harvest the previous crop
if(i == 1 && !forSeeds){
require((amount % 100) == 0, "203");//Has to be multiple of 100
}
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = _tulipToken[i][garden].planted[msg.sender].add(amount);
//_totalGrowing[i] = _totalGrowing[i] + amount;
if(forSeeds && i != 0){
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_tulipToken[i][garden].forSeeds[msg.sender] = true;
}
else{
setTimeStamp(i, garden);
}
emit Staked(msg.sender, amount);
}
function withdraw(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(!_tulipToken[i][garden].isDecomposing[msg.sender], "226");//Cannot withdraw a decomposing bed
if(now > _tulipToken[i][garden].periodFinish[msg.sender] && _tulipToken[i][garden].periodFinish[msg.sender] > 0 && _tulipToken[i][garden].forSeeds[msg.sender]){
harvestHelper(name, garden, true);
}
/*else{
_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
}*/
_token[i].safeTransfer(msg.sender, _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter));
_tulipToken[i][garden].forSeeds[msg.sender] = false;
emit Withdrawn(msg.sender, _tulipToken[i][garden].planted[msg.sender]);
zeroHoldings(i, garden);
}
function harvest(string memory name, uint8 garden) public {
require(!_tulipToken[tulipType(name)][garden].isDecomposing[msg.sender], "245");//Cannot withdraw a decomposing bed
harvestHelper(name, garden, false);
}
function harvestAllBeds(string memory name) public {
uint8 i;
uint256[6] memory amount;
i = tulipType(name);
amount = utilityBedHarvest(i);
for(i = 0; i < 3; i++){
if(amount[i] > 0){
_token[i].contractMint(msg.sender, amount[i]);
_totalGrown[i] = _totalGrown[i].add(amount[i].div(_decimalConverter));
emit RewardPaid(msg.sender, amount[i].div(_decimalConverter));
}
if(amount[i + 3] > 0){
_token[i].contractBurn(address(this), amount[i + 3]);
//_totalGrowing[i] = _totalGrowing[i].sub(amount[i + 3].div(_decimalConverter));
_totalBurnt[i] = _totalBurnt[i].add(amount[i + 3].div(_decimalConverter));
}
}
}
function decompose(string memory name, uint8 garden, uint256 amount) public {
uint8 i = tulipType(name);
//require(amount >= 1, "291");//Cannot stake less than 1
require(_tulipToken[i][garden].planted[msg.sender] == 0 && (_tulipToken[i][garden].periodFinish[msg.sender] == 0 || now > _tulipToken[i][garden].periodFinish[msg.sender]),
"293");//Claim your last decomposing reward!
require(i > 0, "310");//Cannot decompose a seed!
_token[i].safeTransferFrom(msg.sender, address(this), amount.mul(_decimalConverter));
_totalSupply[i] = _totalSupply[i].add(amount);
_tulipToken[i][garden].planted[msg.sender] = amount;
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(1 * _timeScale);
_tulipToken[i][garden].isDecomposing[msg.sender] = true;
emit Decomposing(msg.sender, amount);
}
// test morning
function claimDecompose(string memory name, uint8 garden) public {
uint8 i = tulipType(name);
require(_tulipToken[i][garden].isDecomposing[msg.sender], "308");//This token is not decomposing
require(i > 0, "310");//Cannot decompose a seed! //redundant
//require(_tulipToken[i][garden].planted[msg.sender] > 0, "311");//Cannot decompose 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "312");//Cannot claim decomposition!
uint256 amount = _tulipToken[i][garden].planted[msg.sender].mul(_decimalConverter);
uint256 subAmount;
uint8 scalingCoef;
// Checks if token is pink (i = 1) or reds
if(i == 1){
subAmount = (amount * 4).div(5);
scalingCoef = 1;
}
else{
subAmount = (amount * 9).div(10);
scalingCoef = 100;
}
// Burns 80% or 90% + (50% * leftovers (this is gone forever from ecosystem))
_token[i].contractBurn(address(this), subAmount + (amount - subAmount).div(2));
_totalDecomposed[i - 1] = _totalDecomposed[i - 1].add(amount.div(_decimalConverter));
// Mints the new amount of seeds to owners account
_token[0].contractMint(msg.sender, subAmount.mul(scalingCoef));
_totalGrown[0] = _totalGrown[0].add(amount.div(_decimalConverter).mul(scalingCoef));
_token[i].safeTransfer(_benefitiaryAddress, (amount - subAmount).div(2));
_tulipToken[i][garden].planted[msg.sender] = 0;
_totalSupply[i] = _totalSupply[i].sub(amount.div(_decimalConverter));
_tulipToken[i][garden].isDecomposing[msg.sender] = false;
emit ClaimedDecomposing(msg.sender, subAmount);
}
/* ========== RESTRICTED FUNCTIONS ========== */
/* ========== internal functions ========== */
function addTokenOwner(address _tokenAddress, address _newOwner) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.addOwner(_newOwner);
}
function renounceTokenOwner(address _tokenAddress) external onlyOwner
{
TulipToken tempToken = TulipToken(_tokenAddress);
tempToken.renounceOwner();
}
function changeOwner(address _newOwner) external onlyOwner {
transferOwnership(_newOwner);
}
function changeBenefitiary(address _newOwner) external onlyOwner
{
_benefitiaryAddress = _newOwner;
}
/* ========== HELPER FUNCTIONS ========== */
function tulipType(string memory name) internal pure returns (uint8) {
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("sTLP"))) {
return 0;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("pTLP"))) {
return 1;
}
if (keccak256(abi.encodePacked(name)) == keccak256(abi.encodePacked("rTLP"))) {
return 2;
} else {
return 99;
}
}
function setTimeStamp(uint8 i, uint8 garden) internal{
if (i == 0) {
setRewardDurationSeeds(garden);
}
if (i == 1) {
_tulipToken[1][garden].periodFinish[msg.sender] = now.add(30 * _timeScale);
}
if (i == 2) {
_tulipToken[2][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
}
function zeroHoldings(uint8 i, uint8 garden) internal{
_totalSupply[i] = _totalSupply[i] - _tulipToken[i][garden].planted[msg.sender];
_tulipToken[i][garden].planted[msg.sender] = 0;
_tulipToken[i][garden].periodFinish[msg.sender] = 0;
}
function operationBurnMint(uint8 token, uint8 garden, uint256 amount) internal{
_token[token].contractBurn(address(this), _tulipToken[token][garden].planted[msg.sender].mul(_decimalConverter));
_totalBurnt[token] = _totalBurnt[token].add(_tulipToken[token][garden].planted[msg.sender]);
//_totalGrowing[token] = _totalGrowing[token].sub(_tulipToken[token][garden].planted[msg.sender]);
_token[token + 1].contractMint(msg.sender, amount.mul(_decimalConverter));
_totalGrown[token + 1] = _totalGrown[token + 1].add(amount);
}
function utilityBedHarvest(uint8 token) internal returns(uint256[6] memory){
uint256[6] memory amount;
for(uint8 k; k < _tulipToken[0].length; k++){
if(!_tulipToken[token][k].isDecomposing[msg.sender]) {
if (_tulipToken[token][k].planted[msg.sender] > 0 && now > _tulipToken[token][k].periodFinish[msg.sender]){
/* rTLP harvest condition */
if (token == 2) {
amount[0] = amount[0] + redTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else {
/* pTLP harvest condition */
if(token == 1){
if(_tulipToken[token][k].forSeeds[msg.sender]){
amount[0] = amount[0] + pinkTulipRewardAmount(k);
_tulipToken[token][k].periodFinish[msg.sender] = now.add(7 * _timeScale);
}
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter).div(100);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
/* sTLP harvest condition */
else{
amount[token + 1] = amount[token + 1] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
amount[token + 3] = amount[token + 3] + _tulipToken[token][k].planted[msg.sender].mul(_decimalConverter);
zeroHoldings(token, k);
}
}
}
}
}
return(amount);
}
function harvestHelper(string memory name, uint8 garden, bool withdrawing) internal {
uint8 i = tulipType(name);
if(!withdrawing){
require(_tulipToken[i][garden].planted[msg.sender] > 0, "464"); //Cannot harvest 0
require(now > _tulipToken[i][garden].periodFinish[msg.sender], "465");//Cannot harvest until bloomed!
}
uint256 tempAmount;
/* rTLP harvest condition */
if (i == 2) {
tempAmount = redTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else {
/* pTLP harvest condition */
if(i == 1){
if(_tulipToken[i][garden].forSeeds[msg.sender]){
tempAmount = pinkTulipRewardAmount(garden);
_token[0].contractMint(msg.sender, tempAmount);
_tulipToken[i][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
_totalGrown[0] = _totalGrown[0].add(tempAmount.div(_decimalConverter));
}
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender].div(100);
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
/* sTLP harvest condition */
else{
tempAmount = _tulipToken[i][garden].planted[msg.sender];
operationBurnMint(i, garden, tempAmount);
zeroHoldings(i, garden);
}
}
//_totalGrowing[i] = _totalGrowing[i].sub(_tulipToken[i][garden].planted[msg.sender]);
emit RewardPaid(msg.sender, tempAmount);
}
/* ========== REAL FUNCTIONS ========== */
function setRewardDurationSeeds(uint8 garden) internal returns (bool) {
uint256 timeSinceEpoch = ((now - _epochBlockStart) / 60 / 60 / 24 / 30) + 1;
if (timeSinceEpoch >= 7) {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(7 * _timeScale);
return true;
} else {
_tulipToken[0][garden].periodFinish[msg.sender] = now.add(
timeSinceEpoch.mul(1 * _timeScale)
);
return true;
}
}
function redTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[2][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter));
}
return value * _tulipToken[2][garden].planted[msg.sender];
}
/***************************ONLY WHEN forSeeds is TRUE*****************************8*/
function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
/* ========== EVENTS ========== */
event Staked(address indexed user, uint256 amount); //add timestamps
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event Decomposing(address indexed user, uint256 amount);
event ClaimedDecomposing(address indexed user, uint256 reward);
} | pinkTulipRewardAmount | function pinkTulipRewardAmount(uint8 garden) internal view returns (uint256) {
uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale)).div(60).div(60).div(24);
//uint256 timeSinceEpoch = (now - _tulipToken[1][garden].periodFinish[msg.sender].sub(7 * _timeScale));
uint256 amountWeeks = timeSinceEpoch.div(7);
uint256 value;
for (uint256 i = amountWeeks; i != 0; i--) {
uint256 tokens = 10;
value = value.add(tokens.mul(_decimalConverter).div(500));
}
return value * _tulipToken[1][garden].planted[msg.sender];
}
| /***************************ONLY WHEN forSeeds is TRUE*****************************8*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | MIT | bzzr://3d4f4967b66dbf4f029b44a5b8fd6f0310cc8965cc7b2664cde35fa8aa468deb | {
"func_code_index": [
17169,
17790
]
} | 7,683 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two unsigned integers, 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 unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 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 unsigned integers, 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 unsigned integers, 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 unsigned integers 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 unsigned integers, reverts on overflow.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
104,
542
]
} | 7,684 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two unsigned integers, 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 unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 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 unsigned integers, 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 unsigned integers, 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 unsigned integers 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) {
// Solidity only automatically asserts when dividing by 0
require(b > 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 unsigned integers truncating the quotient, reverts on division by zero.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
670,
978
]
} | 7,685 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two unsigned integers, 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 unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 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 unsigned integers, 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 unsigned integers, 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 unsigned integers 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 unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
1109,
1264
]
} | 7,686 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two unsigned integers, 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 unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 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 unsigned integers, 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 unsigned integers, 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 unsigned integers 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 unsigned integers, reverts on overflow.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
1345,
1500
]
} | 7,687 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | SafeMath | library SafeMath {
/**
* @dev Multiplies two unsigned integers, 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 unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 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 unsigned integers, 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 unsigned integers, 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 unsigned integers 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 unsigned integers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
1653,
1782
]
} | 7,688 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | Roles | library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
} | add | function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
| /**
* @dev give an account access to this role
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
155,
346
]
} | 7,689 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | Roles | library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
} | remove | function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
| /**
* @dev remove an account's access to this role
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
420,
614
]
} | 7,690 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | Roles | library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
} | has | function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
| /**
* @dev check if an account has this role
* @return bool
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
703,
873
]
} | 7,691 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | Pausable | contract Pausable is PauserRole {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor () internal {
_paused = false;
}
/**
* @return true if the contract is paused, false otherwise.
*/
function paused() public view returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!_paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(_paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
} | paused | function paused() public view returns (bool) {
return _paused;
}
| /**
* @return true if the contract is paused, false otherwise.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
289,
372
]
} | 7,692 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | Pausable | contract Pausable is PauserRole {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor () internal {
_paused = false;
}
/**
* @return true if the contract is paused, false otherwise.
*/
function paused() public view returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!_paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(_paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
} | pause | function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
| /**
* @dev called by the owner to pause, triggers stopped state
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
825,
946
]
} | 7,693 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | Pausable | contract Pausable is PauserRole {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor () internal {
_paused = false;
}
/**
* @return true if the contract is paused, false otherwise.
*/
function paused() public view returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!_paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(_paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
} | unpause | function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
| /**
* @dev called by the owner to unpause, returns to normal state
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
1036,
1159
]
} | 7,694 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | totalSupply | function totalSupply() public view returns (uint256) {
return _totalSupply;
}
| /**
* @dev Total number of tokens in existence
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
297,
393
]
} | 7,695 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | balanceOf | function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
| /**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
604,
715
]
} | 7,696 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | 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 | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
1049,
1185
]
} | 7,697 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | transfer | function transfer(address to, uint256 value) public returns (bool) {
_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 | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
1351,
1496
]
} | 7,698 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | approve | function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
| /**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
2138,
2387
]
} | 7,699 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | transferFrom | function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
| /**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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 | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
2855,
3159
]
} | 7,700 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | increaseAllowance | function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
| /**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
3669,
3997
]
} | 7,701 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | decreaseAllowance | function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
| /**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
4512,
4850
]
} | 7,702 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | _transfer | function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
| /**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
5067,
5334
]
} | 7,703 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | _mint | function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
| /**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
5681,
5955
]
} | 7,704 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | _burn | function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
| /**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
6184,
6458
]
} | 7,705 |
||
VTO | VTO.sol | 0x02b66106c712ae79715f62be30a787cdfbcd79b2 | Solidity | ERC20 | contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @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 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) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @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) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
} | _burnFrom | function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
| /**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/ | NatSpecMultiLine | v0.5.17+commit.d19bba13 | None | bzzr://b9179b633af1618d26883bc5623b55668f46bcbbd49aa5f18ea67376d9c5bced | {
"func_code_index": [
6852,
7116
]
} | 7,706 |
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