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Contract

0x53967E3FfdAb0a0f2BcE097383C34eC0A3F0b0fE
 

Overview

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0 ETH

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Transaction Hash
Method
Block
From
To
Claim160937492022-12-02 1:10:47799 days ago1669943447IN
0x53967E3F...0A3F0b0fE
0 ETH0.0006960311.0023608
Claim152603482022-08-02 2:14:49921 days ago1659406489IN
0x53967E3F...0A3F0b0fE
0 ETH0.0011683315.23177939
Claim148392252022-05-25 2:16:07990 days ago1653444967IN
0x53967E3F...0A3F0b0fE
0 ETH0.0018233623.77138314
Claim147583492022-05-12 1:43:511003 days ago1652319831IN
0x53967E3F...0A3F0b0fE
0 ETH0.0067582488.10806042
Claim129495412021-08-03 1:51:501285 days ago1627955510IN
0x53967E3F...0A3F0b0fE
0 ETH0.0025629743
Claim125401772021-05-31 5:14:251349 days ago1622438065IN
0x53967E3F...0A3F0b0fE
0 ETH0.0017641923
Set Delegate114297452020-12-11 5:29:281520 days ago1607664568IN
0x53967E3F...0A3F0b0fE
0 ETH0.0033336329.00000145
Set Delegate114168842020-12-09 5:48:501522 days ago1607492930IN
0x53967E3F...0A3F0b0fE
0 ETH0.0010977436

Latest 1 internal transaction

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113342412020-11-26 13:22:461535 days ago1606396966  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x06a44ce4...2d5C178f6
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
Vester

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 30000 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at Etherscan.io on 2020-12-07
*/

pragma solidity 0.6.12;

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

contract Vester {
    using SafeMath for uint;

    address public idle;
    address public recipient;

    uint public vestingAmount;
    uint public vestingBegin;
    uint public vestingCliff;
    uint public vestingEnd;

    uint public lastUpdate;

    constructor(
        address idle_,
        address recipient_,
        uint vestingAmount_,
        uint vestingBegin_,
        uint vestingCliff_,
        uint vestingEnd_
    ) public {
        require(vestingBegin_ >= block.timestamp, 'TreasuryVester::constructor: vesting begin too early');
        require(vestingCliff_ >= vestingBegin_, 'TreasuryVester::constructor: cliff is too early');
        require(vestingEnd_ > vestingCliff_, 'TreasuryVester::constructor: end is too early');

        idle = idle_;
        recipient = recipient_;

        vestingAmount = vestingAmount_;
        vestingBegin = vestingBegin_;
        vestingCliff = vestingCliff_;
        vestingEnd = vestingEnd_;

        lastUpdate = vestingBegin;
    }

    function setRecipient(address recipient_) public {
        require(msg.sender == recipient, 'TreasuryVester::setRecipient: unauthorized');
        recipient = recipient_;
    }

    function claim() public {
        require(block.timestamp >= vestingCliff, 'TreasuryVester::claim: not time yet');
        uint amount;
        if (block.timestamp >= vestingEnd) {
            amount = IIdle(idle).balanceOf(address(this));
        } else {
            amount = vestingAmount.mul(block.timestamp - lastUpdate).div(vestingEnd - vestingBegin);
            lastUpdate = block.timestamp;
        }
        IIdle(idle).transfer(recipient, amount);
    }

    // Add ability to delegate vote in governance
    function setDelegate(address delegatee) public {
        require(msg.sender == recipient, 'TreasuryVester::setDelegate: unauthorized');

        IIdle(idle).delegate(delegatee);
    }
}

interface IIdle {
    function balanceOf(address account) external view returns (uint);
    function transfer(address dst, uint rawAmount) external returns (bool);
    function delegate(address delegatee) external;
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"idle_","type":"address"},{"internalType":"address","name":"recipient_","type":"address"},{"internalType":"uint256","name":"vestingAmount_","type":"uint256"},{"internalType":"uint256","name":"vestingBegin_","type":"uint256"},{"internalType":"uint256","name":"vestingCliff_","type":"uint256"},{"internalType":"uint256","name":"vestingEnd_","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"idle","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastUpdate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"recipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"}],"name":"setDelegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient_","type":"address"}],"name":"setRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vestingAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vestingBegin","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vestingCliff","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vestingEnd","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

Deployed Bytecode

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Deployed Bytecode Sourcemap

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Swarm Source

ipfs://40279beb2a7937416430f6847f1dea05c043029b27fedcefa774face6c762b36

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