CliffLinearVestingCurve

{{
  "language": "Solidity",
  "sources": {
    "contracts/curves/CliffLinearVestingCurve.sol": {
      "content": "// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

/*
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           \▓▓                                                         
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 */

import "./IVestingCurve.sol";

contract CliffLinearVestingCurve is IVestingCurve {
    /// @notice Duration of the cliff period in seconds
    uint256 public immutable cliff;

    /**
     * @notice Constructor to set the cliff duration
     * @param _cliff Duration of the cliff period in seconds
     */
    constructor(uint256 _cliff) {
        cliff = _cliff;
    }

    /**
     * @dev See {IVestingCurve-getVestedPayoutAtTime}.
     */
    function getVestedPayoutAtTime(
        uint256 totalPayout,
        uint256 vestingTerm,
        uint256 startTimestamp,
        uint256 checkTimestamp
    ) external view returns (uint256 vestedPayout) {
        if (checkTimestamp < startTimestamp + cliff) {
            vestedPayout = 0;
        } else if (checkTimestamp >= (startTimestamp + vestingTerm) || cliff >= vestingTerm) {
            vestedPayout = totalPayout;
        } else {
            /// @dev Linear vesting after cliff period
            vestedPayout = (totalPayout * (checkTimestamp - startTimestamp - cliff)) / (vestingTerm - cliff);
        }
    }
}
"
    },
    "contracts/curves/IVestingCurve.sol": {
      "content": "// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

/// @notice VestingCurve interface to allow for simple updates of vesting release schedules.
interface IVestingCurve {
    /**
     * @notice Returns the vested token amount given the inputs below.
     * @param totalPayout Total payout vested once the vestingTerm is up
     * @param vestingTerm Length of time in seconds that tokens are vesting for
     * @param startTimestamp The timestamp of when vesting starts
     * @param checkTimestamp The timestamp to calculate vested tokens
     * @return vestedPayout Total payoutTokens vested at checkTimestamp
     *
     * Requirements
     * - MUST return 0 if checkTimestamp is less than startTimestamp
     * - MUST return totalPayout if checkTimestamp is greater than startTimestamp + vestingTerm,
     * - MUST return a value including or between 0 and totalPayout
     */
    function getVestedPayoutAtTime(
        uint256 totalPayout,
        uint256 vestingTerm,
        uint256 startTimestamp,
        uint256 checkTimestamp
    ) external view returns (uint256 vestedPayout);
}
"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 100
    },
    "viaIR": true,
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}}