{ "fileName": "TokenTimelock.sol", "contractName": "TokenTimelock", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.7.0;\n\nimport \"./SafeERC20.sol\";\n\n/**\n * @dev A token holder contract that will allow a beneficiary to extract the\n * tokens after a given release time.\n *\n * Useful for simple vesting schedules like \"advisors get all of their tokens\n * after 1 year\".\n */\ncontract TokenTimelock {\n using SafeERC20 for IERC20;\n\n // ERC20 basic token contract being held\n IERC20 private _token;\n\n // beneficiary of tokens after they are released\n address private _beneficiary;\n\n // timestamp when token release is enabled\n uint256 private _releaseTime;\n\n constructor (IERC20 token, address beneficiary, uint256 releaseTime) {\n // solhint-disable-next-line not-rely-on-time\n require(releaseTime > block.timestamp, \"TokenTimelock: release time is before current time\");\n _token = token;\n _beneficiary = beneficiary;\n _releaseTime = releaseTime;\n }\n\n /**\n * @return the token being held.\n */\n function token() public view returns (IERC20) {\n return _token;\n }\n\n /**\n * @return the beneficiary of the tokens.\n */\n function beneficiary() public view returns (address) {\n return _beneficiary;\n }\n\n /**\n * @return the time when the tokens are released.\n */\n function releaseTime() public view returns (uint256) {\n return _releaseTime;\n }\n\n /**\n * @notice Transfers tokens held by timelock to beneficiary.\n */\n function release() public virtual {\n // solhint-disable-next-line not-rely-on-time\n require(block.timestamp >= _releaseTime, \"TokenTimelock: current time is before release time\");\n\n uint256 amount = _token.balanceOf(address(this));\n require(amount > 0, \"TokenTimelock: no tokens to release\");\n\n _token.safeTransfer(_beneficiary, amount);\n }\n}\n", "sourcePath": "contracts/token/ERC20/TokenTimelock.sol", "sourceMap": 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"abi": [ { "inputs": [ { "internalType": "contract IERC20", "name": "token", "type": "address" }, { "internalType": "address", "name": "beneficiary", "type": "address" }, { "internalType": "uint256", "name": "releaseTime", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "inputs": [], "name": "beneficiary", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "release", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "releaseTime", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "token", "outputs": [ { "internalType": "contract IERC20", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" } ], "ast": { "absolutePath": "contracts/token/ERC20/TokenTimelock.sol", "exportedSymbols": { 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