Files
openzeppelin-contracts/contracts/token/TokenTimelock.sol
2017-09-18 12:57:46 -03:00

52 lines
1.2 KiB
Solidity

pragma solidity ^0.4.11;
import './ERC20Basic.sol';
import "../token/SafeERC20.sol";
/**
* @title TokenTimelock
* @dev TokenTimelock is a token holder contract that will allow a
* beneficiary to extract the tokens after a given release time
*/
contract TokenTimelock {
using SafeERC20 for ERC20Basic;
// ERC20 basic token contract being held
ERC20Basic public token;
// beneficiary of tokens after they are released
address public beneficiary;
// timestamp when token release is enabled
uint64 public releaseTime;
function TokenTimelock(ERC20Basic _token, address _beneficiary, uint64 _releaseTime) {
require(_releaseTime > now);
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
/**
* @notice Transfers tokens held by timelock to beneficiary.
* Deprecated: please use TokenTimelock#release instead.
*/
function claim() public {
require(msg.sender == beneficiary);
release();
}
/**
* @notice Transfers tokens held by timelock to beneficiary.
*/
function release() public {
require(now >= releaseTime);
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.safeTransfer(beneficiary, amount);
}
}