Contract 0x4beffd38832b5f158d5a05d374ae971dd0e326f2 8

 
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0x2b0070957cd38d7c6f1b73af0326381581e90d29106cad112fa99dad1d5e1386Permit1104017582023-10-04 6:51:3364 days 6 hrs ago0xfcb5a922877683128cc8b52cd7883cab12d21229 IN  0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH0.0000201739430.031644521
0x0b0508dd96c35cc6a3b60f69ff4ff407645a5a50b8e0382c7a308178da3be059Permit1085422812023-08-22 5:48:59107 days 7 hrs ago0xfcb5a922877683128cc8b52cd7883cab12d21229 IN  0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH0.0000365713950.00000019
0xab57f1c7ad3320cfe9c68dc35c46e9513569827cb9fa98b528eea4f3461c38e2Permit1065393992023-07-06 21:06:15153 days 15 hrs ago0x4fbe5303bca958b8f1ee35b5443aad9ad442e3d7 IN  0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH0.0000788951460.100000068
0x2b367fe08409dfba7f8d4288076c734843549da68c81ee643ca9e9db11ec68bdSet Vault205384962022-08-25 14:26:15468 days 22 hrs ago0x9f76043b23125024ce5f0fb4ae707482107dd2a8 IN  0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH0.0000758457310.001
0x4c13d9193c63ebe87e7a2de767aa6a78974a594d8a7054dd987104d1a95c143d0x60e06040205384782022-08-25 14:26:15468 days 22 hrs ago0x9f76043b23125024ce5f0fb4ae707482107dd2a8 IN  Contract Creation0 ETH0.0014466582180.001
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0xab57f1c7ad3320cfe9c68dc35c46e9513569827cb9fa98b528eea4f3461c38e21065393992023-07-06 21:06:15153 days 15 hrs ago 0x4beffd38832b5f158d5a05d374ae971dd0e326f20x00000000000000000000000000000000000000010 ETH
0x64cbf9a648e8aa95157240a9f418ec0d62511a8fa02e7b08bc17309a969dbf121053692422023-06-09 19:01:01180 days 17 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x64cbf9a648e8aa95157240a9f418ec0d62511a8fa02e7b08bc17309a969dbf121053692422023-06-09 19:01:01180 days 17 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x333cf19d887e929df62354c670124dc1e6e0e8b30945e896975d93a1638433bc1053684192023-06-09 18:33:35180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x333cf19d887e929df62354c670124dc1e6e0e8b30945e896975d93a1638433bc1053684192023-06-09 18:33:35180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x89709d09b805c4b3f4f6e1760234ea0497a299c2c5749bd790936fa24c95c9ce1053684122023-06-09 18:33:21180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x89709d09b805c4b3f4f6e1760234ea0497a299c2c5749bd790936fa24c95c9ce1053684122023-06-09 18:33:21180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0xf1b3a251391253ea2633784721c28cf56272546ceb864520e73ccde0308552f11053683972023-06-09 18:32:51180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0xf1b3a251391253ea2633784721c28cf56272546ceb864520e73ccde0308552f11053683972023-06-09 18:32:51180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x33873402ca54e75ad5bb9cef7794d2a7f8e40e5ecaf399d8b78567cb2f13b80f1053683962023-06-09 18:32:49180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x33873402ca54e75ad5bb9cef7794d2a7f8e40e5ecaf399d8b78567cb2f13b80f1053683962023-06-09 18:32:49180 days 18 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x3d4a10fe523b9ba8fcd57d224a147f9a516bd9b40319eb82b603a4f35efd2ac61053661942023-06-09 17:19:25180 days 19 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x3d4a10fe523b9ba8fcd57d224a147f9a516bd9b40319eb82b603a4f35efd2ac61053661942023-06-09 17:19:25180 days 19 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x4adb4bdef2f0dec70b2cc12e7bb8780b044297e7dd58ba74ca4cb5bd9478dc6a1053661882023-06-09 17:19:13180 days 19 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x4adb4bdef2f0dec70b2cc12e7bb8780b044297e7dd58ba74ca4cb5bd9478dc6a1053661882023-06-09 17:19:13180 days 19 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x692a8d156b4391aaf0d074a152db2d61c685f84d8b174f58953cf196e385f77b1053661712023-06-09 17:18:39180 days 19 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x692a8d156b4391aaf0d074a152db2d61c685f84d8b174f58953cf196e385f77b1053661712023-06-09 17:18:39180 days 19 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x672b71c4fff9a8f3e6b34f064d8e1f6ee97a184311c9dfa10ac0cac34d61b8cd1053376302023-06-09 1:27:17181 days 11 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x672b71c4fff9a8f3e6b34f064d8e1f6ee97a184311c9dfa10ac0cac34d61b8cd1053376302023-06-09 1:27:17181 days 11 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x8a366eb79aa6c7ed0f8e4fa293b0cb601fc1700604a6773930413863af22680d1053376182023-06-09 1:26:53181 days 11 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x8a366eb79aa6c7ed0f8e4fa293b0cb601fc1700604a6773930413863af22680d1053376182023-06-09 1:26:53181 days 11 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0xd9a166ab049b85847dbe6a83e110016dcaad9a03e10ee4e19f300d6a3c90deb41053365912023-06-09 0:52:39181 days 12 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0xd9a166ab049b85847dbe6a83e110016dcaad9a03e10ee4e19f300d6a3c90deb41053365912023-06-09 0:52:39181 days 12 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x18764d9241628454310e9c7af852819f7b42b5e2fb3cff4181c40d133cc5af281053365432023-06-09 0:51:03181 days 12 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
0x18764d9241628454310e9c7af852819f7b42b5e2fb3cff4181c40d133cc5af281053365432023-06-09 0:51:03181 days 12 hrs ago 0x965e460bf5cb38bada79fb2293c6304c799d0b1c 0x4beffd38832b5f158d5a05d374ae971dd0e326f20 ETH
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Similar Match Source Code
This contract matches the deployed ByteCode of the Source Code for Contract 0x246dfdfa491cf7cad0f0a189f9836eaf5af15ef4
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
VaultToken

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at Optimistic.Etherscan.io on 2022-08-25
*/

// Sources flattened with hardhat v2.9.6 https://hardhat.org

// File @rari-capital/solmate/src/tokens/[email protected]

// -License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}


// File contracts/interfaces/IPolynomialVaultToken.sol

// -License-Identifier: MIT
pragma solidity 0.8.9;

interface IPolynomialVaultToken {
    function mint(address _user, uint256 _amt) external;
    function burn(address _user, uint256 _amt) external;

    function totalSupply() external view returns (uint256 totalSupply);
    function balanceOf(address user) external view returns (uint256 balance);
}


// File contracts/interfaces/IPolynomialVault.sol

// -License-Identifier: MIT
pragma solidity 0.8.9;

interface IPolynomialVault {}


// File contracts/core/VaultToken.sol

// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

contract VaultToken is ERC20 {

    /// -----------------------------------------------------------------------
    /// Variables
    /// -----------------------------------------------------------------------

    /// @notice Corresponding Polynomial Vault
    IPolynomialVault public vault;

    /// -----------------------------------------------------------------------
    /// Modifiers
    /// -----------------------------------------------------------------------

    modifier onlyPolynomialVault {
        if (msg.sender != address(vault)) {
            revert OnlyPolynomialVault(address(this), msg.sender, address(vault));
        }
        _;
    }

    constructor(
        string memory name,
        string memory symbol
    ) ERC20(name, symbol, 18) {}

    function mint(address _user, uint256 _amt) external onlyPolynomialVault {
        _mint(_user, _amt);
    }

    function burn(address _user, uint256 _amt) external onlyPolynomialVault {
        _burn(_user, _amt);
    }

    function setVault(IPolynomialVault _vault) external {
        if (address(vault) != address(0x0)) {
            revert();
        }
        vault = _vault;
    }

    /// -----------------------------------------------------------------------
    /// Errors
    /// -----------------------------------------------------------------------

    error OnlyPolynomialVault(address thrower, address caller, address vault);
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"thrower","type":"address"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"address","name":"vault","type":"address"}],"name":"OnlyPolynomialVault","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"uint256","name":"_amt","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"uint256","name":"_amt","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPolynomialVault","name":"_vault","type":"address"}],"name":"setVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vault","outputs":[{"internalType":"contract IPolynomialVault","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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Swarm Source

ipfs://d6186d88a5107cd1c9880ffb4aea69912e193c5b4241790ce6cc40a69f69c1cf
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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