TokenTimelock

// Submitted by EthereumHistory (ethereumhistory.com)
pragma solidity ^0.4.24;

interface ERC20Basic {
    function balanceOf(address who) external view returns (uint256);
    function transfer(address to, uint256 value) external returns (bool);
}

library SafeERC20 {
    function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
        require(token.transfer(to, value));
    }
}

contract TokenTimelock {
    using SafeERC20 for ERC20Basic;

    ERC20Basic public token;
    address public beneficiary;
    uint256 public releaseTime;

    constructor(ERC20Basic _token, address _beneficiary, uint256 _releaseTime) public {
        require(_releaseTime > block.timestamp);
        token = _token;
        beneficiary = _beneficiary;
        releaseTime = _releaseTime;
    }

    function release() public {
        require(block.timestamp >= releaseTime);
        uint256 amount = token.balanceOf(address(this));
        require(amount > 0);
        token.safeTransfer(beneficiary, amount);
    }
}