{
  "address": "0x7FEB735Cd74d98a1FDbf046135D9eA81BBdFF1b5",
  "abi": [
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_token",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "_beneficiary",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "_startTimestamp",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_cliffInMonths",
          "type": "uint256"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        }
      ],
      "name": "Released",
      "type": "event"
    },
    {
      "inputs": [],
      "name": "SECONDS_PER_MONTH",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "beneficiary",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "blockTimestamp",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "cliffInMonths",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "release",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "released",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "startTimestamp",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "token",
      "outputs": [
        {
          "internalType": "contract IERC20",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "vestedAmount",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    }
  ],
  "transactionHash": "0xb5462d30a0fb755861e9cde09c8cee2db5f672d80a84dca343b1fd835af2cb91",
  "receipt": {
    "to": null,
    "from": "0x5D3e4C0FE11e0aE4c32F0FF74B4544C49538AC61",
    "contractAddress": "0x7FEB735Cd74d98a1FDbf046135D9eA81BBdFF1b5",
    "transactionIndex": 0,
    "gasUsed": "542263",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "blockHash": "0x39f56508324161962efd5481c15446fdc153ee7916f9f8297c51c2cd8d9bcebb",
    "transactionHash": "0xb5462d30a0fb755861e9cde09c8cee2db5f672d80a84dca343b1fd835af2cb91",
    "logs": [],
    "blockNumber": 8766631,
    "cumulativeGasUsed": "542263",
    "status": 1,
    "byzantium": true
  },
  "args": [
    "0x4bCa851F272B1a3DAdb077e86AFa94910160d03E",
    "0x125c2EE2d4765891EAeAdDA8e4F06473282E3060",
    0,
    3
  ],
  "solcInputHash": "8536a9811254562a5bc06a088cb5c514",
  "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_beneficiary\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_startTimestamp\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_cliffInMonths\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Released\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"SECONDS_PER_MONTH\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"beneficiary\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"blockTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"cliffInMonths\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"release\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"released\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"startTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"token\",\"outputs\":[{\"internalType\":\"contract IERC20\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"vestedAmount\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"A token holder contract that can release its token balance with a cliff period. Optionally revocable by the owner.\",\"kind\":\"dev\",\"methods\":{\"constructor\":{\"details\":\"Creates a cliff contract that locks its balance of any ERC20 token and only allows release to the beneficiary once the cliff has passed.\",\"params\":{\"_beneficiary\":\"address of the beneficiary to whom vested tokens are transferred\",\"_cliffInMonths\":\"duration in months of the cliff in which tokens will begin to vest\"}},\"vestedAmount()\":{\"details\":\"Calculates the amount that has already vested but hasn't been released yet.\"}},\"title\":\"Cliff\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"release()\":{\"notice\":\"Transfers vested tokens to beneficiary.\"}},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/Cliff.sol\":\"Cliff\"},\"evmVersion\":\"istanbul\",\"libraries\":{\"__CACHE_BREAKER__\":\"0x00000000d41867734bbee4c6863d9255b2b06ac1\"},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/math/Math.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/**\\n * @dev Standard math utilities missing in the Solidity language.\\n */\\nlibrary Math {\\n    /**\\n     * @dev Returns the largest of two numbers.\\n     */\\n    function max(uint256 a, uint256 b) internal pure returns (uint256) {\\n        return a >= b ? a : b;\\n    }\\n\\n    /**\\n     * @dev Returns the smallest of two numbers.\\n     */\\n    function min(uint256 a, uint256 b) internal pure returns (uint256) {\\n        return a < b ? a : b;\\n    }\\n\\n    /**\\n     * @dev Returns the average of two numbers. The result is rounded towards\\n     * zero.\\n     */\\n    function average(uint256 a, uint256 b) internal pure returns (uint256) {\\n        // (a + b) / 2 can overflow, so we distribute\\n        return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);\\n    }\\n}\\n\",\"keccak256\":\"0x363bd3b45201f07c9b71c2edc96533468cf14a3d029fabd82fddceb1eb3ebd9c\",\"license\":\"MIT\"},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/**\\n * @dev Wrappers over Solidity's arithmetic operations with added overflow\\n * checks.\\n *\\n * Arithmetic operations in Solidity wrap on overflow. This can easily result\\n * in bugs, because programmers usually assume that an overflow raises an\\n * error, which is the standard behavior in high level programming languages.\\n * `SafeMath` restores this intuition by reverting the transaction when an\\n * operation overflows.\\n *\\n * Using this library instead of the unchecked operations eliminates an entire\\n * class of bugs, so it's recommended to use it always.\\n */\\nlibrary SafeMath {\\n    /**\\n     * @dev Returns the addition of two unsigned integers, with an overflow flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        uint256 c = a + b;\\n        if (c < a) return (false, 0);\\n        return (true, c);\\n    }\\n\\n    /**\\n     * @dev Returns the substraction of two unsigned integers, with an overflow flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        if (b > a) return (false, 0);\\n        return (true, a - b);\\n    }\\n\\n    /**\\n     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\\n        // benefit is lost if 'b' is also tested.\\n        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\\n        if (a == 0) return (true, 0);\\n        uint256 c = a * b;\\n        if (c / a != b) return (false, 0);\\n        return (true, c);\\n    }\\n\\n    /**\\n     * @dev Returns the division of two unsigned integers, with a division by zero flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        if (b == 0) return (false, 0);\\n        return (true, a / b);\\n    }\\n\\n    /**\\n     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        if (b == 0) return (false, 0);\\n        return (true, a % b);\\n    }\\n\\n    /**\\n     * @dev Returns the addition of two unsigned integers, reverting on\\n     * overflow.\\n     *\\n     * Counterpart to Solidity's `+` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Addition cannot overflow.\\n     */\\n    function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n        uint256 c = a + b;\\n        require(c >= a, \\\"SafeMath: addition overflow\\\");\\n        return c;\\n    }\\n\\n    /**\\n     * @dev Returns the subtraction of two unsigned integers, reverting on\\n     * overflow (when the result is negative).\\n     *\\n     * Counterpart to Solidity's `-` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Subtraction cannot overflow.\\n     */\\n    function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n        require(b <= a, \\\"SafeMath: subtraction overflow\\\");\\n        return a - b;\\n    }\\n\\n    /**\\n     * @dev Returns the multiplication of two unsigned integers, reverting on\\n     * overflow.\\n     *\\n     * Counterpart to Solidity's `*` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Multiplication cannot overflow.\\n     */\\n    function mul(uint256 a, uint256 b) internal pure returns (uint256) {\\n        if (a == 0) return 0;\\n        uint256 c = a * b;\\n        require(c / a == b, \\\"SafeMath: multiplication overflow\\\");\\n        return c;\\n    }\\n\\n    /**\\n     * @dev Returns the integer division of two unsigned integers, reverting on\\n     * division by zero. The result is rounded towards zero.\\n     *\\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n     * uses an invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function div(uint256 a, uint256 b) internal pure returns (uint256) {\\n        require(b > 0, \\\"SafeMath: division by zero\\\");\\n        return a / b;\\n    }\\n\\n    /**\\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n     * reverting when dividing by zero.\\n     *\\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\\n     * invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function mod(uint256 a, uint256 b) internal pure returns (uint256) {\\n        require(b > 0, \\\"SafeMath: modulo by zero\\\");\\n        return a % b;\\n    }\\n\\n    /**\\n     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\\n     * overflow (when the result is negative).\\n     *\\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\\n     * message unnecessarily. For custom revert reasons use {trySub}.\\n     *\\n     * Counterpart to Solidity's `-` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Subtraction cannot overflow.\\n     */\\n    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n        require(b <= a, errorMessage);\\n        return a - b;\\n    }\\n\\n    /**\\n     * @dev Returns the integer division of two unsigned integers, reverting with custom message on\\n     * division by zero. The result is rounded towards zero.\\n     *\\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\\n     * message unnecessarily. For custom revert reasons use {tryDiv}.\\n     *\\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n     * uses an invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n        require(b > 0, errorMessage);\\n        return a / b;\\n    }\\n\\n    /**\\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n     * reverting with custom message when dividing by zero.\\n     *\\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\\n     * message unnecessarily. For custom revert reasons use {tryMod}.\\n     *\\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\\n     * invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n        require(b > 0, errorMessage);\\n        return a % b;\\n    }\\n}\\n\",\"keccak256\":\"0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/**\\n * @dev Interface of the ERC20 standard as defined in the EIP.\\n */\\ninterface IERC20 {\\n    /**\\n     * @dev Returns the amount of tokens in existence.\\n     */\\n    function totalSupply() external view returns (uint256);\\n\\n    /**\\n     * @dev Returns the amount of tokens owned by `account`.\\n     */\\n    function balanceOf(address account) external view returns (uint256);\\n\\n    /**\\n     * @dev Moves `amount` tokens from the caller's account to `recipient`.\\n     *\\n     * Returns a boolean value indicating whether the operation succeeded.\\n     *\\n     * Emits a {Transfer} event.\\n     */\\n    function transfer(address recipient, uint256 amount) external returns (bool);\\n\\n    /**\\n     * @dev Returns the remaining number of tokens that `spender` will be\\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\\n     * zero by default.\\n     *\\n     * This value changes when {approve} or {transferFrom} are called.\\n     */\\n    function allowance(address owner, address spender) external view returns (uint256);\\n\\n    /**\\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\\n     *\\n     * Returns a boolean value indicating whether the operation succeeded.\\n     *\\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\\n     * that someone may use both the old and the new allowance by unfortunate\\n     * transaction ordering. One possible solution to mitigate this race\\n     * condition is to first reduce the spender's allowance to 0 and set the\\n     * desired value afterwards:\\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\\n     *\\n     * Emits an {Approval} event.\\n     */\\n    function approve(address spender, uint256 amount) external returns (bool);\\n\\n    /**\\n     * @dev Moves `amount` tokens from `sender` to `recipient` using the\\n     * allowance mechanism. `amount` is then deducted from the caller's\\n     * allowance.\\n     *\\n     * Returns a boolean value indicating whether the operation succeeded.\\n     *\\n     * Emits a {Transfer} event.\\n     */\\n    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);\\n\\n    /**\\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\\n     * another (`to`).\\n     *\\n     * Note that `value` may be zero.\\n     */\\n    event Transfer(address indexed from, address indexed to, uint256 value);\\n\\n    /**\\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\\n     * a call to {approve}. `value` is the new allowance.\\n     */\\n    event Approval(address indexed owner, address indexed spender, uint256 value);\\n}\\n\",\"keccak256\":\"0x5f02220344881ce43204ae4a6281145a67bc52c2bb1290a791857df3d19d78f5\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/SafeERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\nimport \\\"./IERC20.sol\\\";\\nimport \\\"../../math/SafeMath.sol\\\";\\nimport \\\"../../utils/Address.sol\\\";\\n\\n/**\\n * @title SafeERC20\\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\\n * contract returns false). Tokens that return no value (and instead revert or\\n * throw on failure) are also supported, non-reverting calls are assumed to be\\n * successful.\\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\\n */\\nlibrary SafeERC20 {\\n    using SafeMath for uint256;\\n    using Address for address;\\n\\n    function safeTransfer(IERC20 token, address to, uint256 value) internal {\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\\n    }\\n\\n    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\\n    }\\n\\n    /**\\n     * @dev Deprecated. This function has issues similar to the ones found in\\n     * {IERC20-approve}, and its usage is discouraged.\\n     *\\n     * Whenever possible, use {safeIncreaseAllowance} and\\n     * {safeDecreaseAllowance} instead.\\n     */\\n    function safeApprove(IERC20 token, address spender, uint256 value) internal {\\n        // safeApprove should only be called when setting an initial allowance,\\n        // or when resetting it to zero. To increase and decrease it, use\\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\\n        // solhint-disable-next-line max-line-length\\n        require((value == 0) || (token.allowance(address(this), spender) == 0),\\n            \\\"SafeERC20: approve from non-zero to non-zero allowance\\\"\\n        );\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\\n    }\\n\\n    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\\n        uint256 newAllowance = token.allowance(address(this), spender).add(value);\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n    }\\n\\n    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\\n        uint256 newAllowance = token.allowance(address(this), spender).sub(value, \\\"SafeERC20: decreased allowance below zero\\\");\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n    }\\n\\n    /**\\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\\n     * @param token The token targeted by the call.\\n     * @param data The call data (encoded using abi.encode or one of its variants).\\n     */\\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\\n        // the target address contains contract code and also asserts for success in the low-level call.\\n\\n        bytes memory returndata = address(token).functionCall(data, \\\"SafeERC20: low-level call failed\\\");\\n        if (returndata.length > 0) { // Return data is optional\\n            // solhint-disable-next-line max-line-length\\n            require(abi.decode(returndata, (bool)), \\\"SafeERC20: ERC20 operation did not succeed\\\");\\n        }\\n    }\\n}\\n\",\"keccak256\":\"0xf12dfbe97e6276980b83d2830bb0eb75e0cf4f3e626c2471137f82158ae6a0fc\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Address.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.2 <0.8.0;\\n\\n/**\\n * @dev Collection of functions related to the address type\\n */\\nlibrary Address {\\n    /**\\n     * @dev Returns true if `account` is a contract.\\n     *\\n     * [IMPORTANT]\\n     * ====\\n     * It is unsafe to assume that an address for which this function returns\\n     * false is an externally-owned account (EOA) and not a contract.\\n     *\\n     * Among others, `isContract` will return false for the following\\n     * types of addresses:\\n     *\\n     *  - an externally-owned account\\n     *  - a contract in construction\\n     *  - an address where a contract will be created\\n     *  - an address where a contract lived, but was destroyed\\n     * ====\\n     */\\n    function isContract(address account) internal view returns (bool) {\\n        // This method relies on extcodesize, which returns 0 for contracts in\\n        // construction, since the code is only stored at the end of the\\n        // constructor execution.\\n\\n        uint256 size;\\n        // solhint-disable-next-line no-inline-assembly\\n        assembly { size := extcodesize(account) }\\n        return size > 0;\\n    }\\n\\n    /**\\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\\n     * `recipient`, forwarding all available gas and reverting on errors.\\n     *\\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\\n     * imposed by `transfer`, making them unable to receive funds via\\n     * `transfer`. {sendValue} removes this limitation.\\n     *\\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\\n     *\\n     * IMPORTANT: because control is transferred to `recipient`, care must be\\n     * taken to not create reentrancy vulnerabilities. Consider using\\n     * {ReentrancyGuard} or the\\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\\n     */\\n    function sendValue(address payable recipient, uint256 amount) internal {\\n        require(address(this).balance >= amount, \\\"Address: insufficient balance\\\");\\n\\n        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\\n        (bool success, ) = recipient.call{ value: amount }(\\\"\\\");\\n        require(success, \\\"Address: unable to send value, recipient may have reverted\\\");\\n    }\\n\\n    /**\\n     * @dev Performs a Solidity function call using a low level `call`. A\\n     * plain`call` is an unsafe replacement for a function call: use this\\n     * function instead.\\n     *\\n     * If `target` reverts with a revert reason, it is bubbled up by this\\n     * function (like regular Solidity function calls).\\n     *\\n     * Returns the raw returned data. To convert to the expected return value,\\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\\n     *\\n     * Requirements:\\n     *\\n     * - `target` must be a contract.\\n     * - calling `target` with `data` must not revert.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\\n      return functionCall(target, data, \\\"Address: low-level call failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\\n     * `errorMessage` as a fallback revert reason when `target` reverts.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\\n        return functionCallWithValue(target, data, 0, errorMessage);\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n     * but also transferring `value` wei to `target`.\\n     *\\n     * Requirements:\\n     *\\n     * - the calling contract must have an ETH balance of at least `value`.\\n     * - the called Solidity function must be `payable`.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\\n        return functionCallWithValue(target, data, value, \\\"Address: low-level call with value failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {\\n        require(address(this).balance >= value, \\\"Address: insufficient balance for call\\\");\\n        require(isContract(target), \\\"Address: call to non-contract\\\");\\n\\n        // solhint-disable-next-line avoid-low-level-calls\\n        (bool success, bytes memory returndata) = target.call{ value: value }(data);\\n        return _verifyCallResult(success, returndata, errorMessage);\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n     * but performing a static call.\\n     *\\n     * _Available since v3.3._\\n     */\\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\\n        return functionStaticCall(target, data, \\\"Address: low-level static call failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n     * but performing a static call.\\n     *\\n     * _Available since v3.3._\\n     */\\n    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {\\n        require(isContract(target), \\\"Address: static call to non-contract\\\");\\n\\n        // solhint-disable-next-line avoid-low-level-calls\\n        (bool success, bytes memory returndata) = target.staticcall(data);\\n        return _verifyCallResult(success, returndata, errorMessage);\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n     * but performing a delegate call.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\\n        return functionDelegateCall(target, data, \\\"Address: low-level delegate call failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n     * but performing a delegate call.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\\n        require(isContract(target), \\\"Address: delegate call to non-contract\\\");\\n\\n        // solhint-disable-next-line avoid-low-level-calls\\n        (bool success, bytes memory returndata) = target.delegatecall(data);\\n        return _verifyCallResult(success, returndata, errorMessage);\\n    }\\n\\n    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {\\n        if (success) {\\n            return returndata;\\n        } else {\\n            // Look for revert reason and bubble it up if present\\n            if (returndata.length > 0) {\\n                // The easiest way to bubble the revert reason is using memory via assembly\\n\\n                // solhint-disable-next-line no-inline-assembly\\n                assembly {\\n                    let returndata_size := mload(returndata)\\n                    revert(add(32, returndata), returndata_size)\\n                }\\n            } else {\\n                revert(errorMessage);\\n            }\\n        }\\n    }\\n}\\n\",\"keccak256\":\"0x28911e614500ae7c607a432a709d35da25f3bc5ddc8bd12b278b66358070c0ea\",\"license\":\"MIT\"},\"contracts/Cliff.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.6.0;\\n\\nimport \\\"@openzeppelin/contracts/token/ERC20/IERC20.sol\\\";\\nimport \\\"@openzeppelin/contracts/token/ERC20/SafeERC20.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/Math.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/SafeMath.sol\\\";\\n\\n/**\\n * @title Cliff\\n * @dev A token holder contract that can release its token balance with a cliff period.\\n * Optionally revocable by the owner.\\n */\\ncontract Cliff {\\n    using SafeERC20 for IERC20;\\n    using SafeMath for uint256;\\n\\n    uint256 public constant SECONDS_PER_MONTH = 30 days;\\n\\n    event Released(uint256 amount);\\n\\n    // beneficiary of tokens after they are released\\n    address public immutable beneficiary;\\n    IERC20 public immutable token;\\n\\n    uint256 public immutable cliffInMonths;\\n    uint256 public immutable startTimestamp;\\n    uint256 public released;\\n\\n    /**\\n     * @dev Creates a cliff contract that locks its balance of any ERC20 token and\\n     * only allows release to the beneficiary once the cliff has passed.\\n     * @param _beneficiary address of the beneficiary to whom vested tokens are transferred\\n     * @param _cliffInMonths duration in months of the cliff in which tokens will begin to vest\\n     */\\n    constructor(\\n        address _token,\\n        address _beneficiary,\\n        uint256 _startTimestamp,\\n        uint256 _cliffInMonths\\n    ) public {\\n        require(\\n            _beneficiary != address(0),\\n            \\\"Cliff: Beneficiary cannot be empty\\\"\\n        );\\n\\n        token = IERC20(_token);\\n        beneficiary = _beneficiary;\\n        cliffInMonths = _cliffInMonths;\\n        startTimestamp = _startTimestamp == 0\\n            ? blockTimestamp()\\n            : _startTimestamp;\\n    }\\n\\n    /**\\n     * @notice Transfers vested tokens to beneficiary.\\n     */\\n    function release() external {\\n        uint256 vested = vestedAmount();\\n        require(vested > 0, \\\"Cliff: No tokens to release\\\");\\n\\n        released = released.add(vested);\\n        token.safeTransfer(beneficiary, vested);\\n\\n        emit Released(vested);\\n    }\\n\\n    /**\\n     * @dev Calculates the amount that has already vested but hasn't been released yet.\\n     */\\n    function vestedAmount() public view returns (uint256) {\\n        if (blockTimestamp() < startTimestamp) {\\n            return 0;\\n        }\\n\\n        uint256 elapsedTime = blockTimestamp().sub(startTimestamp);\\n        uint256 elapsedMonths = elapsedTime.div(SECONDS_PER_MONTH);\\n\\n        if (elapsedMonths < cliffInMonths) {\\n            return 0;\\n        } else {\\n            return token.balanceOf(address(this));\\n        }\\n    }\\n\\n    function blockTimestamp() public view virtual returns (uint256) {\\n        return block.timestamp;\\n    }\\n}\\n\",\"keccak256\":\"0x892b77350534625d40c5860cbe8e96968acc74907b407ca449cb964a64074826\",\"license\":\"MIT\"}},\"version\":1}",
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  "devdoc": {
    "details": "A token holder contract that can release its token balance with a cliff period. Optionally revocable by the owner.",
    "kind": "dev",
    "methods": {
      "constructor": {
        "details": "Creates a cliff contract that locks its balance of any ERC20 token and only allows release to the beneficiary once the cliff has passed.",
        "params": {
          "_beneficiary": "address of the beneficiary to whom vested tokens are transferred",
          "_cliffInMonths": "duration in months of the cliff in which tokens will begin to vest"
        }
      },
      "vestedAmount()": {
        "details": "Calculates the amount that has already vested but hasn't been released yet."
      }
    },
    "title": "Cliff",
    "version": 1
  },
  "userdoc": {
    "kind": "user",
    "methods": {
      "release()": {
        "notice": "Transfers vested tokens to beneficiary."
      }
    },
    "version": 1
  },
  "storageLayout": {
    "storage": [
      {
        "astId": 2418,
        "contract": "contracts/Cliff.sol:Cliff",
        "label": "released",
        "offset": 0,
        "slot": "0",
        "type": "t_uint256"
      }
    ],
    "types": {
      "t_uint256": {
        "encoding": "inplace",
        "label": "uint256",
        "numberOfBytes": "32"
      }
    }
  }
}