Contract 0xBa3335588D9403515223F109EdC4eB7269a9Ab5D 3

Gearbox Protocol Token Contract 
 
 
Txn Hash
Method
Block
From
To
Value
0x9a91ab02bf0da43fa46bf3a13eb5493700f9426214163f7d85eb0292ef8f5ee3Transfer(pending)2023-01-24 14:04:243 days 12 hrs ago0xfef3510de709111b582b3993bda32640a0877714 IN Gearbox Protocol: GEAR Token0 Ether(Pending)(Pending)
0x18060d5439097d0c08164d5410c962f77dded7b96db5db29c2fcaef57871bdbfApprove(pending)2023-01-15 1:39:3913 days 1 hr ago0x0ddae9bf2fb738fd35064059d3f2ca6c69bf6811 IN Gearbox Protocol: GEAR Token0 Ether(Pending)(Pending)
0x97f60033cc730a0b893431bab9ade35d4f6912aefd7fd3ab8839d2858336394cTransfer165023532023-01-28 2:33:4714 mins agoOKX IN  Gearbox Protocol: GEAR Token0 Ether0.00076242 17.85032243
0x755273f37e9cfbf1aba69581fba1f65152cc8dc09e5aaac0fa606bf26671b123Transfer165022682023-01-28 2:16:4731 mins ago0x629835afd9b95f02b2bc76743f94db2be54b1840 IN  Gearbox Protocol: GEAR Token0 Ether0.00058441 15.41985865
0x520daa0f5449b3e9aeeafdc78976ce85bc10282601f5339dd2b2275765758e8aTransfer165022652023-01-28 2:16:1131 mins agoMEXC: Mexc.com IN  Gearbox Protocol: GEAR Token0 Ether0.001375423
0x4c82c6b1ea5a8be95bb8ffaeb80683a3497855d3c241d234dbfee7517f372f47Transfer165021062023-01-28 1:44:111 hr 3 mins agoOKX IN  Gearbox Protocol: GEAR Token0 Ether0.00069889 16.36302719
0x89d1d23f458b8afdb90cff05e99f835b9c3908fd805744fd9f494f5017ab72c5Approve165020122023-01-28 1:25:231 hr 22 mins agoENS Name fuiyoh.eth IN  Gearbox Protocol: GEAR Token0 Ether0.0008023 16.99179234
0xed0fe38f46369d6ad85adbe95b77c45e79611197e035afceddf2774b27e98194Approve165018992023-01-28 1:02:471 hr 45 mins agoENS Name bearcrap.eth IN  Gearbox Protocol: GEAR Token0 Ether0.00073497 15.58574828
0x6f2a6119a44877b3c5091bd63f783b9bc2f3e834ded1753603d9a3f7f903c791Approve165016232023-01-28 0:06:592 hrs 40 mins ago0x27eab7d3ce4c84b9afb0324deb7c56bd72fc2fa0 IN  Gearbox Protocol: GEAR Token0 Ether0.00068565 14.53992776
0xf17b1013db4d6e383a0332638c6cfa00df9a7b1a664f971032e6b352be5d07e7Approve165015282023-01-27 23:47:592 hrs 59 mins ago0xcb951c47a4552ce8cc68cc45851427e532576bb9 IN  Gearbox Protocol: GEAR Token0 Ether0.00070004 14.84500196
0x9374d828ec718d5b3809e8a63babf82c0effb88b6907740b741b5c4fc39dfffbTransfer165014262023-01-27 23:27:233 hrs 20 mins ago0x022fb7ff75917bd783f38f1236eb021301626f7f IN  Gearbox Protocol: GEAR Token0 Ether0.0006537717.25
0x44a9074610410708e99b8a46244e4d47aef12411ca73fd2b709041a9dfda44a1Transfer165014112023-01-27 23:24:233 hrs 23 mins agoGate.io IN  Gearbox Protocol: GEAR Token0 Ether0.00155487 26.00132554
0x98aaa0adb358099917373680d23b24ecb661379c22341680182422bbf2cceb91Approve165013172023-01-27 23:05:233 hrs 42 mins ago0x8675c0108ea51b280ea92fb5b137738f9a267bcc IN  Gearbox Protocol: GEAR Token0 Ether0.00087792 18.61707909
0xd5c680c9c239d5f901b4bfeeeb4a5516cd568d91ae4187ea9f16f9260eaf7bd9Transfer165010712023-01-27 22:16:114 hrs 31 mins ago0xe97a469d1e6a9bf23d97724cd60dba49c1e2aa33 IN  Gearbox Protocol: GEAR Token0 Ether0.00093731 17.04202861
0x58e2220c6b21e0a16341e1e2ab38f6d76fae24f32f5ee6e6214bb42ab9bd4330Approve165010122023-01-27 22:04:234 hrs 43 mins ago0x4e8d1e82ac126a199727f24f83ae96a7307a39cc IN  Gearbox Protocol: GEAR Token0 Ether0.00094723 20.08676009
0xf3a7021fc7ac7d112143bcaaee0d0694bbd9f4441205753f33bf1f7b8c04ae6cTransfer165008412023-01-27 21:29:475 hrs 18 mins agoOKX IN  Gearbox Protocol: GEAR Token0 Ether0.00110367 18.45246988
0x59d59088cb38dd651934079b4c1c2024cb200fcb695a3874c51f9b1c77b69e6aTransfer165007822023-01-27 21:17:595 hrs 29 mins ago0x0044ad6c022b3518d042b2ca8a2d40406e63e4ca IN  Gearbox Protocol: GEAR Token0 Ether0.00098845 26.08069015
0x0a950e5a6ff0bb4c113f70faa494bf09fd2dd57ae8a9cf08ca039f3c64c76126Transfer165007792023-01-27 21:17:235 hrs 30 mins ago0x9f2615fbf8a540b6afddbd4af3fe57daae90cd3b IN  Gearbox Protocol: GEAR Token0 Ether0.00132969 22.24009317
0x9115c6e6548d424df0adda51f86db7d5b7e36033952642802df1dda097aff139Transfer165007772023-01-27 21:16:595 hrs 30 mins ago0x0044ad6c022b3518d042b2ca8a2d40406e63e4ca IN  Gearbox Protocol: GEAR Token0 Ether0.00104842 27.67180416
0x792ca7fe95b9dd2cc6ac0ac8f1fe1d92f309f14200c7a7cd88ec11e99991f80bTransfer165007712023-01-27 21:15:475 hrs 32 mins ago0x9f2615fbf8a540b6afddbd4af3fe57daae90cd3b IN  Gearbox Protocol: GEAR Token0 Ether0.00135334 22.64027988
0x1deb14c3e36855fc54c78fc92a56bd0f521ee2f02e256f7b8cee31fc4074953dTransfer165007632023-01-27 21:14:115 hrs 33 mins ago0x0044ad6c022b3518d042b2ca8a2d40406e63e4ca IN  Gearbox Protocol: GEAR Token0 Ether0.00101487 26.77763699
0x95e414704c659e2f8249ef0ad5775aae5e37bcc7d731ca522305127181727c93Transfer165007562023-01-27 21:12:475 hrs 35 mins ago0x9f2615fbf8a540b6afddbd4af3fe57daae90cd3b IN  Gearbox Protocol: GEAR Token0 Ether0.00127847 21.3834802
0x5c1d133be690ed2e4f5b166821fa420d420268675292ef1a83ad4bb062c96a16Transfer165006412023-01-27 20:49:475 hrs 58 mins ago0x1910ab8de9bdd94f4163a92c66797534638f2fd3 IN  Gearbox Protocol: GEAR Token0 Ether0.0007166 18.91380939
0x02ccea575ad3be6584d5487a5340cfef4cf98810e8473781796bf1e2f78ae5f2Approve165006212023-01-27 20:45:476 hrs 2 mins ago0x9fb5993fb54c88cc5c6df2d4865308fd8f8e10ee IN  Gearbox Protocol: GEAR Token0 Ether0.00089775 19.0375217
0x79260c58ecab8122a4747e01a040eeae0a2136426098c007713acd212ea2e34fTransfer165006202023-01-27 20:45:356 hrs 2 mins ago0x3f40793109e734941f30bebeed8d46971eb27533 IN  Gearbox Protocol: GEAR Token0 Ether0.00101137 18.39258231
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Latest 1 internal transaction
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0x48342552bfde19b6d0ccb79850943ee891181af65efb47662ebd8f46a428fa3a138108992021-12-15 16:50:20408 days 9 hrs ago 0xfff3037b1de9d7b013fc62ccd36bcaeaf33c614c  Contract Creation0 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
GearToken

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
File 1 of 2 : GearToken.sol
// SPDX-License-Identifier: BSD-3-Clause
pragma solidity ^0.7.4;
pragma experimental ABIEncoderV2;
import {SafeMath} from "@openzeppelin/contracts/math/SafeMath.sol";

/// @dev Governance Gearbox token
/// based on https://github.com/Uniswap/governance/blob/master/contracts/Uni.sol
contract GearToken {
    /// @notice EIP-20 token name for this token
    string public constant name = "Gearbox";

    /// @notice EIP-20 token symbol for this token
    string public constant symbol = "GEAR";

    /// @notice EIP-20 token decimals for this token
    uint8 public constant decimals = 18;

    /// @notice Total number of tokens in circulation
    uint256 public constant totalSupply = 10_000_000_000e18; // 10 billion Gear

    // Allowance amounts on behalf of others
    mapping(address => mapping(address => uint96)) internal allowances;

    // Official record of token balances for each account
    mapping(address => uint96) internal balances;

    /// @notice A record of each accounts delegate
    mapping(address => address) public delegates;

    /// @notice A checkpoint for marking number of votes from a given block
    struct Checkpoint {
        uint32 fromBlock;
        uint96 votes;
    }

    /// @notice A record of votes checkpoints for each account, by index
    mapping(address => mapping(uint32 => Checkpoint)) public checkpoints;

    /// @notice The number of checkpoints for each account
    mapping(address => uint32) public numCheckpoints;

    /// @notice The EIP-712 typehash for the contract's domain
    bytes32 public constant DOMAIN_TYPEHASH =
        keccak256(
            "EIP712Domain(string name,uint256 chainId,address verifyingContract)"
        );

    /// @notice The EIP-712 typehash for the delegation struct used by the contract
    bytes32 public constant DELEGATION_TYPEHASH =
        keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");

    /// @notice The EIP-712 typehash for the permit struct used by the contract
    bytes32 public constant PERMIT_TYPEHASH =
        keccak256(
            "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
        );

    // A record of states for signing / validating signatures
    mapping(address => uint256) public nonces;

    /// @notice Flag which allows token transfers
    bool public transfersAllowed;

    /// @notice Contract owner which can allow token transfers
    address public manager;

    /// @notice Miner address which can send tokens during account mining
    address public miner;

    /// @notice An event thats emitted when an account changes its delegate
    event DelegateChanged(
        address indexed delegator,
        address indexed fromDelegate,
        address indexed toDelegate
    );

    /// @notice An event thats emitted when a delegate account's vote balance changes
    event DelegateVotesChanged(
        address indexed delegate,
        uint256 previousBalance,
        uint256 newBalance
    );

    /// @notice The standard EIP-20 transfer event
    event Transfer(address indexed from, address indexed to, uint256 amount);

    /// @notice The standard EIP-20 approval event
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 amount
    );

    event OwnershipTransferred(address indexed owner, address indexed newOwner);

    event MinerSet(address indexed miner);

    event TransferAllowed();

    modifier managerOnly() {
        require(msg.sender == manager, "Gear::caller is not the manager");
        _;
    }

    /**
     * @notice Construct a new Gear token
     * @param account The initial account to grant all the tokens
     */
    constructor(address account) {
        require(account != address(0), "Zero address is not allowed");
        balances[account] = uint96(totalSupply);
        emit Transfer(address(0), account, totalSupply);
        manager = msg.sender;
        transfersAllowed = false;
    }

    function transferOwnership(address newManager)
        external
        managerOnly // T:[GT-3]
    {
        require(newManager != address(0), "Zero address is not allowed"); // T:[GT-5]
        emit OwnershipTransferred(manager, newManager); // T:[GT-6]
        manager = newManager; // T:[GT-6]
    }

    function setMiner(address _miner)
        external
        managerOnly // T:[GT-3]
    {
        require(_miner != address(0), "Zero address is not allowed");
        miner = _miner; // T:[GT-4]
        emit MinerSet(miner); // T:[GT-4]
    }

    function allowTransfers()
        external
        managerOnly // T:[GT-3]
    {
        transfersAllowed = true; // T:[GT-1]
        emit TransferAllowed();
    }

    /**
     * @notice Get the number of tokens `spender` is approved to spend on behalf of `account`
     * @param account The address of the account holding the funds
     * @param spender The address of the account spending the funds
     * @return The number of tokens approved
     */
    function allowance(address account, address spender)
        external
        view
        returns (uint256)
    {
        return allowances[account][spender];
    }

    /**
     * @notice Approve `spender` to transfer up to `amount` from `src`
     * @dev This will overwrite the approval amount for `spender`
     *  and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve)
     * @param spender The address of the account which may transfer tokens
     * @param rawAmount The number of tokens that are approved (2^256-1 means infinite)
     * @return Whether or not the approval succeeded
     */
    function approve(address spender, uint256 rawAmount)
        external
        returns (bool)
    {
        uint96 amount;
        if (rawAmount == uint256(-1)) {
            amount = uint96(-1);
        } else {
            amount = safe96(rawAmount, "Gear::approve: amount exceeds 96 bits");
        }

        allowances[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);
        return true;
    }

    /**
     * @notice Triggers an approval from owner to spends
     * @param owner The address to approve from
     * @param spender The address to be approved
     * @param rawAmount The number of tokens that are approved (2^256-1 means infinite)
     * @param deadline The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function permit(
        address owner,
        address spender,
        uint256 rawAmount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external {
        uint96 amount;
        if (rawAmount == uint256(-1)) {
            amount = uint96(-1);
        } else {
            amount = safe96(rawAmount, "Gear::permit: amount exceeds 96 bits");
        }

        bytes32 domainSeparator = keccak256(
            abi.encode(
                DOMAIN_TYPEHASH,
                keccak256(bytes(name)),
                getChainId(),
                address(this)
            )
        );
        bytes32 structHash = keccak256(
            abi.encode(
                PERMIT_TYPEHASH,
                owner,
                spender,
                rawAmount,
                nonces[owner]++,
                deadline
            )
        );
        bytes32 digest = keccak256(
            abi.encodePacked("\x19\x01", domainSeparator, structHash)
        );
        address signatory = ecrecover(digest, v, r, s);
        require(signatory != address(0), "Gear::permit: invalid signature");
        require(signatory == owner, "Gear::permit: unauthorized");
        require(block.timestamp <= deadline, "Gear::permit: signature expired");

        allowances[owner][spender] = amount;

        emit Approval(owner, spender, amount);
    }

    /**
     * @notice Get the number of tokens held by the `account`
     * @param account The address of the account to get the balance of
     * @return The number of tokens held
     */
    function balanceOf(address account) external view returns (uint256) {
        return balances[account];
    }

    /**
     * @notice Transfer `amount` tokens from `msg.sender` to `dst`
     * @param dst The address of the destination account
     * @param rawAmount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transfer(address dst, uint256 rawAmount) external returns (bool) {
        uint96 amount = safe96(
            rawAmount,
            "Gear::transfer: amount exceeds 96 bits"
        );
        _transferTokens(msg.sender, dst, amount);
        return true;
    }

    /**
     * @notice Transfer `amount` tokens from `src` to `dst`
     * @param src The address of the source account
     * @param dst The address of the destination account
     * @param rawAmount The number of tokens to transfer
     * @return Whether or not the transfer succeeded
     */
    function transferFrom(
        address src,
        address dst,
        uint256 rawAmount
    ) external returns (bool) {
        address spender = msg.sender;
        uint96 spenderAllowance = allowances[src][spender];
        uint96 amount = safe96(
            rawAmount,
            "Gear::approve: amount exceeds 96 bits"
        );

        if (spender != src && spenderAllowance != uint96(-1)) {
            uint96 newAllowance = sub96(
                spenderAllowance,
                amount,
                "Gear::transferFrom: transfer amount exceeds spender allowance"
            );
            allowances[src][spender] = newAllowance;

            emit Approval(src, spender, newAllowance);
        }

        _transferTokens(src, dst, amount);
        return true;
    }

    /**
     * @notice Delegate votes from `msg.sender` to `delegatee`
     * @param delegatee The address to delegate votes to
     */
    function delegate(address delegatee) external {
        return _delegate(msg.sender, delegatee);
    }

    /**
     * @notice Delegates votes from signatory to `delegatee`
     * @param delegatee The address to delegate votes to
     * @param nonce The contract state required to match the signature
     * @param expiry The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function delegateBySig(
        address delegatee,
        uint256 nonce,
        uint256 expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external {
        bytes32 domainSeparator = keccak256(
            abi.encode(
                DOMAIN_TYPEHASH,
                keccak256(bytes(name)),
                getChainId(),
                address(this)
            )
        );
        bytes32 structHash = keccak256(
            abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)
        );
        bytes32 digest = keccak256(
            abi.encodePacked("\x19\x01", domainSeparator, structHash)
        );
        address signatory = ecrecover(digest, v, r, s);
        require(
            signatory != address(0),
            "Gear::delegateBySig: invalid signature"
        );
        require(
            nonce == nonces[signatory]++,
            "Gear::delegateBySig: invalid nonce"
        );
        require(
            block.timestamp <= expiry,
            "Gear::delegateBySig: signature expired"
        );
        return _delegate(signatory, delegatee);
    }

    /**
     * @notice Gets the current votes balance for `account`
     * @param account The address to get votes balance
     * @return The number of current votes for `account`
     */
    function getCurrentVotes(address account) external view returns (uint96) {
        uint32 nCheckpoints = numCheckpoints[account];
        return
            nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
    }

    /**
     * @notice Determine the prior number of votes for an account as of a block number
     * @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
     * @param account The address of the account to check
     * @param blockNumber The block number to get the vote balance at
     * @return The number of votes the account had as of the given block
     */
    function getPriorVotes(address account, uint256 blockNumber)
        external
        view
        returns (uint96)
    {
        require(
            blockNumber < block.number,
            "Gear::getPriorVotes: not yet determined"
        );

        uint32 nCheckpoints = numCheckpoints[account];
        if (nCheckpoints == 0) {
            return 0;
        }

        // First check most recent balance
        if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
            return checkpoints[account][nCheckpoints - 1].votes;
        }

        // Next check implicit zero balance
        if (checkpoints[account][0].fromBlock > blockNumber) {
            return 0;
        }

        uint32 lower;
        uint32 upper = nCheckpoints - 1;
        while (upper > lower) {
            uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
            Checkpoint memory cp = checkpoints[account][center];
            if (cp.fromBlock == blockNumber) {
                return cp.votes;
            } else if (cp.fromBlock < blockNumber) {
                lower = center;
            } else {
                upper = center - 1;
            }
        }
        return checkpoints[account][lower].votes;
    }

    function _delegate(address delegator, address delegatee) internal {
        address currentDelegate = delegates[delegator];
        uint96 delegatorBalance = balances[delegator];
        delegates[delegator] = delegatee;

        emit DelegateChanged(delegator, currentDelegate, delegatee);

        _moveDelegates(currentDelegate, delegatee, delegatorBalance);
    }

    function _transferTokens(
        address src,
        address dst,
        uint96 amount
    ) internal {
        require(
            transfersAllowed || msg.sender == manager || msg.sender == miner,
            "Gear::transfers are forbidden"
        );
        require(
            src != address(0),
            "Gear::_transferTokens: cannot transfer from the zero address"
        );
        require(
            dst != address(0),
            "Gear::_transferTokens: cannot transfer to the zero address"
        );

        balances[src] = sub96(
            balances[src],
            amount,
            "Gear::_transferTokens: transfer amount exceeds balance"
        );
        balances[dst] = add96(
            balances[dst],
            amount,
            "Gear::_transferTokens: transfer amount overflows"
        );
        emit Transfer(src, dst, amount);

        _moveDelegates(delegates[src], delegates[dst], amount);
    }

    function _moveDelegates(
        address srcRep,
        address dstRep,
        uint96 amount
    ) internal {
        if (srcRep != dstRep && amount > 0) {
            if (srcRep != address(0)) {
                uint32 srcRepNum = numCheckpoints[srcRep];
                uint96 srcRepOld = srcRepNum > 0
                    ? checkpoints[srcRep][srcRepNum - 1].votes
                    : 0;
                uint96 srcRepNew = sub96(
                    srcRepOld,
                    amount,
                    "Gear::_moveVotes: vote amount underflows"
                );
                _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
            }

            if (dstRep != address(0)) {
                uint32 dstRepNum = numCheckpoints[dstRep];
                uint96 dstRepOld = dstRepNum > 0
                    ? checkpoints[dstRep][dstRepNum - 1].votes
                    : 0;
                uint96 dstRepNew = add96(
                    dstRepOld,
                    amount,
                    "Gear::_moveVotes: vote amount overflows"
                );
                _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
            }
        }
    }

    function _writeCheckpoint(
        address delegatee,
        uint32 nCheckpoints,
        uint96 oldVotes,
        uint96 newVotes
    ) internal {
        uint32 blockNumber = safe32(
            block.number,
            "Gear::_writeCheckpoint: block number exceeds 32 bits"
        );

        if (
            nCheckpoints > 0 &&
            checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber
        ) {
            checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
        } else {
            checkpoints[delegatee][nCheckpoints] = Checkpoint(
                blockNumber,
                newVotes
            );
            numCheckpoints[delegatee] = nCheckpoints + 1;
        }

        emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
    }

    function safe32(uint256 n, string memory errorMessage)
        internal
        pure
        returns (uint32)
    {
        require(n < 2**32, errorMessage);
        return uint32(n);
    }

    function safe96(uint256 n, string memory errorMessage)
        internal
        pure
        returns (uint96)
    {
        require(n < 2**96, errorMessage);
        return uint96(n);
    }

    function add96(
        uint96 a,
        uint96 b,
        string memory errorMessage
    ) internal pure returns (uint96) {
        uint96 c = a + b;
        require(c >= a, errorMessage);
        return c;
    }

    function sub96(
        uint96 a,
        uint96 b,
        string memory errorMessage
    ) internal pure returns (uint96) {
        require(b <= a, errorMessage);
        return a - b;
    }

    function getChainId() internal pure returns (uint256) {
        uint256 chainId;
        assembly {
            chainId := chainid()
        }
        return chainId;
    }
}

File 2 of 2 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, 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 (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @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) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @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) {
        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, reverting 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) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting 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) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * 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);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * 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);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * 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;
    }
}

Settings
{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"account","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"delegator","type":"address"},{"indexed":true,"internalType":"address","name":"fromDelegate","type":"address"},{"indexed":true,"internalType":"address","name":"toDelegate","type":"address"}],"name":"DelegateChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"uint256","name":"previousBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newBalance","type":"uint256"}],"name":"DelegateVotesChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"miner","type":"address"}],"name":"MinerSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","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"},{"anonymous":false,"inputs":[],"name":"TransferAllowed","type":"event"},{"inputs":[],"name":"DELEGATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allowTransfers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"rawAmount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint32","name":"","type":"uint32"}],"name":"checkpoints","outputs":[{"internalType":"uint32","name":"fromBlock","type":"uint32"},{"internalType":"uint96","name":"votes","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"}],"name":"delegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"delegateBySig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"delegates","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getCurrentVotes","outputs":[{"internalType":"uint96","name":"","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getPriorVotes","outputs":[{"internalType":"uint96","name":"","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"manager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"miner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","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":"","type":"address"}],"name":"numCheckpoints","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"rawAmount","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":"address","name":"_miner","type":"address"}],"name":"setMiner","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":"dst","type":"address"},{"internalType":"uint256","name":"rawAmount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"src","type":"address"},{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"rawAmount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newManager","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"transfersAllowed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000fff3037b1de9d7b013fc62ccd36bcaeaf33c614c

-----Decoded View---------------
Arg [0] : account (address): 0xFFf3037B1DE9d7B013fC62cCd36bcAEAF33c614C

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000fff3037b1de9d7b013fc62ccd36bcaeaf33c614c


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.