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Contract

0x4E59A6944ec90917a71d226227B458bfa7A9f86f
 

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Claim206150442024-08-26 20:05:598 hrs ago1724702759IN
0x4E59A694...fa7A9f86f
0 ETH0.000184711.73737392
Claim206120042024-08-26 9:55:3518 hrs ago1724666135IN
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0 ETH0.000515424.17751352
Claim206096422024-08-26 1:59:4726 hrs ago1724637587IN
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0 ETH0.000237591.92533721
Claim206081252024-08-25 20:55:1131 hrs ago1724619311IN
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0 ETH0.000118260.9584166
Claim206052962024-08-25 11:25:5941 hrs ago1724585159IN
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0 ETH0.000097321.09087117
Claim205942272024-08-23 22:16:353 days ago1724451395IN
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0 ETH0.00024491.98454115
Claim205838522024-08-22 11:29:474 days ago1724326187IN
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0 ETH0.000201061.89119061
Claim205824222024-08-22 6:41:234 days ago1724308883IN
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0 ETH0.000108291.21388749
Claim205811202024-08-22 2:18:595 days ago1724293139IN
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0 ETH0.000102221.14577207
Claim205792982024-08-21 20:12:235 days ago1724271143IN
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0 ETH0.000510944.80578391
Claim205791462024-08-21 19:40:595 days ago1724269259IN
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0 ETH0.000264672.14497851
Claim205688482024-08-20 9:09:596 days ago1724144999IN
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0 ETH0.00021161.99033817
Claim205661992024-08-20 0:16:597 days ago1724113019IN
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0 ETH0.0001130.91580725
Claim205660572024-08-19 23:48:357 days ago1724111315IN
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0 ETH0.000241861.9597149
Claim205629182024-08-19 13:17:357 days ago1724073455IN
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Claim205623372024-08-19 11:20:237 days ago1724066423IN
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0 ETH0.00018211.71340292
Claim205615452024-08-19 8:41:237 days ago1724056883IN
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0 ETH0.000148571.20378419
Claim205602842024-08-19 4:27:478 days ago1724041667IN
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0 ETH0.000228791.85382519
Claim205600792024-08-19 3:46:358 days ago1724039195IN
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0 ETH0.000119770.97059198
Claim205600332024-08-19 3:37:238 days ago1724038643IN
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Claim205599942024-08-19 3:29:358 days ago1724038175IN
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0 ETH0.0001531.23966383
Claim205534712024-08-18 5:37:598 days ago1723959479IN
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0 ETH0.000088970.99735831
Claim205508832024-08-17 20:59:119 days ago1723928351IN
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0 ETH0.000206721.67485951
Claim205444252024-08-16 23:19:1110 days ago1723850351IN
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0 ETH0.000103180.83591032
Claim205408822024-08-16 11:26:1110 days ago1723807571IN
0x4E59A694...fa7A9f86f
0 ETH0.000295622.39504843
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Contract Source Code Verified (Exact Match)

Contract Name:
BananaClaimable

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
File 1 of 7 : BananaClaimable.sol
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import "../interfaces/IERC20.sol";
import "../utils/Reentrant.sol";
import "../utils/Ownable.sol";
import "../libraries/TransferHelper.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

contract BananaClaimable is Reentrant, Ownable {
    using ECDSA for bytes32;

    event SetEmergency(bool emergency);
    event SetSigner(address signer, bool state);
    event Claim(address indexed user, uint8 useFor, uint256 amount, bytes nonce);

    address public immutable banana;
    bool public emergency;
    mapping(address => bool) public signers;
    mapping(bytes => bool) public usedNonce;
    // accountId => expireAt
    mapping(uint256 => uint256) public claimedAt;

    constructor(address banana_) {
        owner = msg.sender;
        banana = banana_;
    }

    function setSigner(address signer, bool state) external onlyOwner {
        signers[signer] = state;
        emit SetSigner(signer, state);
    }

    function setEmergency(bool emergency_) external onlyOwner {
        emergency = emergency_;
        emit SetEmergency(emergency_);
    }

    function emergencyWithdraw(address to, uint256 amount) external onlyOwner {
        require(emergency, "NOT_EMERGENCY");
        TransferHelper.safeTransfer(banana, to, amount);
    }

    function claim(
        address user,
        uint8 useFor,
        uint256 accountId,
        uint256 amount,
        uint256 expireAt,
        bytes calldata nonce,
        bytes calldata signature
    ) external nonReentrant {
        require(!emergency, "EMERGENCY");
        verify(user, useFor, accountId, amount, expireAt, nonce, signature);
        usedNonce[nonce] = true;
        claimedAt[accountId] = expireAt;
        TransferHelper.safeTransfer(banana, user, amount);
        emit Claim(user, useFor, amount, nonce);
    }

    function verify(
        address user,
        uint8 useFor,
        uint256 accountId,
        uint256 amount,
        uint256 expireAt,
        bytes calldata nonce,
        bytes calldata signature
    ) public view returns (bool) {
        address recover = keccak256(abi.encode(user, useFor, accountId, amount, expireAt, nonce, address(this)))
            .toEthSignedMessageHash()
            .recover(signature);
        require(signers[recover], "NOT_SIGNER");
        require(!usedNonce[nonce], "NONCE_USED");
        require(expireAt > block.timestamp, "EXPIRED");
        require(block.timestamp > claimedAt[accountId], "CLAIMED");
        return true;
    }
}

File 2 of 7 : IERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IERC20 {
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);

    function totalSupply() external view returns (uint256);

    function balanceOf(address owner) external view returns (uint256);

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external pure returns (uint8);
}

File 3 of 7 : Reentrant.sol
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

abstract contract Reentrant {
    bool private entered;

    modifier nonReentrant() {
        require(entered == false, "Reentrant: reentrant call");
        entered = true;
        _;
        entered = false;
    }
}

File 4 of 7 : Ownable.sol
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

abstract contract Ownable {
    address public owner;
    address public pendingOwner;

    event NewOwner(address indexed oldOwner, address indexed newOwner);
    event NewPendingOwner(address indexed oldPendingOwner, address indexed newPendingOwner);

    modifier onlyOwner() {
        require(msg.sender == owner, "Ownable: REQUIRE_OWNER");
        _;
    }

    function setPendingOwner(address newPendingOwner) external onlyOwner {
        require(pendingOwner != newPendingOwner, "Ownable: ALREADY_SET");
        emit NewPendingOwner(pendingOwner, newPendingOwner);
        pendingOwner = newPendingOwner;
    }

    function acceptOwner() external {
        require(msg.sender == pendingOwner, "Ownable: REQUIRE_PENDING_OWNER");
        address oldOwner = owner;
        address oldPendingOwner = pendingOwner;
        owner = pendingOwner;
        pendingOwner = address(0);
        emit NewOwner(oldOwner, owner);
        emit NewPendingOwner(oldPendingOwner, pendingOwner);
    }
}

File 5 of 7 : TransferHelper.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
    function safeApprove(
        address token,
        address to,
        uint256 value
    ) internal {
        // bytes4(keccak256(bytes('approve(address,uint256)')));
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
        require(
            success && (data.length == 0 || abi.decode(data, (bool))),
            "TransferHelper::safeApprove: approve failed"
        );
    }

    function safeTransfer(
        address token,
        address to,
        uint256 value
    ) internal {
        // bytes4(keccak256(bytes('transfer(address,uint256)')));
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
        require(
            success && (data.length == 0 || abi.decode(data, (bool))),
            "TransferHelper::safeTransfer: transfer failed"
        );
    }

    function safeTransferFrom(
        address token,
        address from,
        address to,
        uint256 value
    ) internal {
        // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
        require(
            success && (data.length == 0 || abi.decode(data, (bool))),
            "TransferHelper::transferFrom: transferFrom failed"
        );
    }

    function safeTransferETH(address to, uint256 value) internal {
        (bool success, ) = to.call{value: value}(new bytes(0));
        require(success, "TransferHelper::safeTransferETH: ETH transfer failed");
    }
}

File 6 of 7 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.3) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

File 7 of 7 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"banana_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint8","name":"useFor","type":"uint8"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"nonce","type":"bytes"}],"name":"Claim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"NewOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldPendingOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newPendingOwner","type":"address"}],"name":"NewPendingOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"emergency","type":"bool"}],"name":"SetEmergency","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"signer","type":"address"},{"indexed":false,"internalType":"bool","name":"state","type":"bool"}],"name":"SetSigner","type":"event"},{"inputs":[],"name":"acceptOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"banana","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint8","name":"useFor","type":"uint8"},{"internalType":"uint256","name":"accountId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expireAt","type":"uint256"},{"internalType":"bytes","name":"nonce","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"claimedAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"emergency","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"emergency_","type":"bool"}],"name":"setEmergency","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newPendingOwner","type":"address"}],"name":"setPendingOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"signer","type":"address"},{"internalType":"bool","name":"state","type":"bool"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"signers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"","type":"bytes"}],"name":"usedNonce","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint8","name":"useFor","type":"uint8"},{"internalType":"uint256","name":"accountId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expireAt","type":"uint256"},{"internalType":"bytes","name":"nonce","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"verify","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)

00000000000000000000000093fa1d7c310692eaf390f951828f8791bc19cb36

-----Decoded View---------------
Arg [0] : banana_ (address): 0x93fa1D7c310692eAf390F951828f8791bC19cb36

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000093fa1d7c310692eaf390f951828f8791bc19cb36


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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.