ETH Price: $3,489.31 (+0.98%)

Contract

0x61974ea924Ae6899467Aa82205f67f45DfC350bb
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

More Info

Private Name Tags

TokenTracker

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Set Approval For...167075342023-02-25 20:02:23668 days ago1677355343IN
0x61974ea9...5DfC350bb
0 ETH0.0010517520.57018649
Safe Transfer Fr...165302832023-02-01 0:07:11692 days ago1675210031IN
0x61974ea9...5DfC350bb
0 ETH0.0018600328.92975505
Set Approval For...165098542023-01-29 3:40:23695 days ago1674963623IN
0x61974ea9...5DfC350bb
0 ETH0.00071814.04270122
Safe Transfer Fr...165089832023-01-29 0:45:35695 days ago1674953135IN
0x61974ea9...5DfC350bb
0 ETH0.0010613715.35845973
Safe Transfer Fr...165087562023-01-28 23:59:47695 days ago1674950387IN
0x61974ea9...5DfC350bb
0 ETH0.0009960214.41277522
Safe Transfer Fr...165087552023-01-28 23:59:35695 days ago1674950375IN
0x61974ea9...5DfC350bb
0 ETH0.0010010114.4850063
Safe Transfer Fr...165087552023-01-28 23:59:35695 days ago1674950375IN
0x61974ea9...5DfC350bb
0 ETH0.0009447313.67059916
Safe Transfer Fr...165087522023-01-28 23:58:59695 days ago1674950339IN
0x61974ea9...5DfC350bb
0 ETH0.0009702114.03930443
Safe Transfer Fr...165087502023-01-28 23:58:35695 days ago1674950315IN
0x61974ea9...5DfC350bb
0 ETH0.0009636613.94940954
Safe Transfer Fr...165087452023-01-28 23:57:35695 days ago1674950255IN
0x61974ea9...5DfC350bb
0 ETH0.0009231413.35819256
Safe Transfer Fr...165087442023-01-28 23:57:23695 days ago1674950243IN
0x61974ea9...5DfC350bb
0 ETH0.0009438113.6572854
Safe Transfer Fr...165087412023-01-28 23:56:47695 days ago1674950207IN
0x61974ea9...5DfC350bb
0 ETH0.0009281913.43131611
Safe Transfer Fr...165087402023-01-28 23:56:35695 days ago1674950195IN
0x61974ea9...5DfC350bb
0 ETH0.0010214714.78356355
Set Approval For...165065932023-01-28 16:44:59696 days ago1674924299IN
0x61974ea9...5DfC350bb
0 ETH0.0007763415.18371904
Set Approval For...165061812023-01-28 15:22:23696 days ago1674919343IN
0x61974ea9...5DfC350bb
0 ETH0.0008182416.00330469
Set Approval For...165061542023-01-28 15:16:59696 days ago1674919019IN
0x61974ea9...5DfC350bb
0 ETH0.0008421616.47108625
Safe Transfer Fr...165055512023-01-28 13:15:59696 days ago1674911759IN
0x61974ea9...5DfC350bb
0 ETH0.0009755914.11710476
Safe Transfer Fr...165055412023-01-28 13:13:59696 days ago1674911639IN
0x61974ea9...5DfC350bb
0 ETH0.0009695714.03004719
Safe Transfer Fr...165053682023-01-28 12:39:11696 days ago1674909551IN
0x61974ea9...5DfC350bb
0 ETH0.0007606916.12623064
Set Approval For...165046082023-01-28 10:05:59696 days ago1674900359IN
0x61974ea9...5DfC350bb
0 ETH0.0006898613.49229488
Set Approval For...165027412023-01-28 3:51:35696 days ago1674877895IN
0x61974ea9...5DfC350bb
0 ETH0.0007051613.79169141
Set Approval For...165015932023-01-28 0:00:59696 days ago1674864059IN
0x61974ea9...5DfC350bb
0 ETH0.0008216916.07078429
Set Approval For...165015882023-01-27 23:59:59696 days ago1674863999IN
0x61974ea9...5DfC350bb
0 ETH0.0007167814.01893653
Set Approval For...164986702023-01-27 14:12:59697 days ago1674828779IN
0x61974ea9...5DfC350bb
0 ETH0.0008654816.92711871
Set Approval For...164986302023-01-27 14:04:59697 days ago1674828299IN
0x61974ea9...5DfC350bb
0 ETH0.0008131815.9041932
View all transactions

Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block
From
To
167075342023-02-25 20:02:23668 days ago1677355343
0x61974ea9...5DfC350bb
0 ETH
166983882023-02-24 13:08:23669 days ago1677244103
0x61974ea9...5DfC350bb
0 ETH
166983882023-02-24 13:08:23669 days ago1677244103
0x61974ea9...5DfC350bb
0 ETH
165302832023-02-01 0:07:11692 days ago1675210031
0x61974ea9...5DfC350bb
0 ETH
165260472023-01-31 9:55:47693 days ago1675158947
0x61974ea9...5DfC350bb
0 ETH
165260472023-01-31 9:55:47693 days ago1675158947
0x61974ea9...5DfC350bb
0 ETH
165098542023-01-29 3:40:23695 days ago1674963623
0x61974ea9...5DfC350bb
0 ETH
165089832023-01-29 0:45:35695 days ago1674953135
0x61974ea9...5DfC350bb
0 ETH
165089792023-01-29 0:44:47695 days ago1674953087
0x61974ea9...5DfC350bb
0 ETH
165089792023-01-29 0:44:47695 days ago1674953087
0x61974ea9...5DfC350bb
0 ETH
165089752023-01-29 0:43:47695 days ago1674953027
0x61974ea9...5DfC350bb
0 ETH
165089752023-01-29 0:43:47695 days ago1674953027
0x61974ea9...5DfC350bb
0 ETH
165089702023-01-29 0:42:47695 days ago1674952967
0x61974ea9...5DfC350bb
0 ETH
165089702023-01-29 0:42:47695 days ago1674952967
0x61974ea9...5DfC350bb
0 ETH
165087562023-01-28 23:59:47695 days ago1674950387
0x61974ea9...5DfC350bb
0 ETH
165087552023-01-28 23:59:35695 days ago1674950375
0x61974ea9...5DfC350bb
0 ETH
165087552023-01-28 23:59:35695 days ago1674950375
0x61974ea9...5DfC350bb
0 ETH
165087522023-01-28 23:58:59695 days ago1674950339
0x61974ea9...5DfC350bb
0 ETH
165087502023-01-28 23:58:35695 days ago1674950315
0x61974ea9...5DfC350bb
0 ETH
165087452023-01-28 23:57:35695 days ago1674950255
0x61974ea9...5DfC350bb
0 ETH
165087442023-01-28 23:57:23695 days ago1674950243
0x61974ea9...5DfC350bb
0 ETH
165087412023-01-28 23:56:47695 days ago1674950207
0x61974ea9...5DfC350bb
0 ETH
165087402023-01-28 23:56:35695 days ago1674950195
0x61974ea9...5DfC350bb
0 ETH
165087342023-01-28 23:55:23695 days ago1674950123
0x61974ea9...5DfC350bb
0 ETH
165087342023-01-28 23:55:23695 days ago1674950123
0x61974ea9...5DfC350bb
0 ETH
View All Internal Transactions
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
CM

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 300 runs

Other Settings:
default evmVersion
File 1 of 5 : CM.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title: Checkmates
/// @author: manifold.xyz

import "./manifold/ERC1155Creator.sol";

////////////////////////////////////////////////////////////////////////
//                                                                    //
//                                                                    //
//    ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣤⣤⣤⣤⣤⣶⣦⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣤⣤⣤⣤⣤⣶⣦⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⡿⠛⠉⠙⠛⠛⠛⠛⠻⢿⣿⣷⣤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⡿⠛⠉⠙⠛⠛⠛⠛⠻⢿⣿⣷⣤⡀⠀⠀⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⠋⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⠈⢻⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⠋⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⠈⢻⣿⣿⡄⠀⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⣸⣿⡏⠀⠀⠀⣠⣶⣾⣿⣿⣿⠿⠿⠿⢿⣿⣿⣿⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⡏⠀⠀⠀⣠⣶⣾⣿⣿⣿⠿⠿⠿⢿⣿⣿⣿⣄⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⣿⣿⠁⠀⠀⢰⣿⣿⣯⠁⠀⠀⠀⠀⠀⠀⠀⠈⠙⢿⣷⡄⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠁⠀⠀⢰⣿⣿⣯⠁⠀⠀⠀⠀⠀⠀⠀⠈⠙⢿⣷⡄⠀    //
//    ⠀⠀⣀⣤⣴⣶⣶⣿⡟⠀⠀⠀⢸⣿⣿⣿⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣷⠀⠀⠀⣀⣤⣴⣶⣶⣿⡟⠀⠀⠀⢸⣿⣿⣿⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣷⠀    //
//    ⠀⢰⣿⡟⠋⠉⣹⣿⡇⠀⠀⠀⠘⣿⣿⣿⣿⣷⣦⣤⣤⣤⣶⣶⣶⣶⣿⣿⣿⠀⠀⢰⣿⡟⠋⠉⣹⣿⡇⠀⠀⠀⠘⣿⣿⣿⣿⣷⣦⣤⣤⣤⣶⣶⣶⣶⣿⣿⣿⠀    //
//    ⠀⢸⣿⡇⠀⠀⣿⣿⡇⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠃⠀⠀⢸⣿⡇⠀⠀⣿⣿⡇⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠃⠀    //
//    ⠀⣸⣿⡇⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠉⠻⠿⣿⣿⣿⣿⡿⠿⠿⠛⢻⣿⡇⠀⠀⠀⣸⣿⡇⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠉⠻⠿⣿⣿⣿⣿⡿⠿⠿⠛⢻⣿⡇⠀⠀    //
//    ⠀⣿⣿⠁⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣧⠀⠀⠀⣿⣿⠁⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣧⠀⠀    //
//    ⠀⣿⣿⠀⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀⠀⠀⣿⣿⠀⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀⠀    //
//    ⠀⣿⣿⠀⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀⠀⠀⣿⣿⠀⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀⠀    //
//    ⠀⢿⣿⡆⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⡇⠀⠀⠀⢿⣿⡆⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⡇⠀⠀    //
//    ⠀⠸⣿⣧⡀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠃⠀⠀⠀⠸⣿⣧⡀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠃⠀⠀    //
//    ⠀⠀⠛⢿⣿⣿⣿⣿⣇⠀⠀⠀⠀⠀⣰⣿⣿⣷⣶⣶⣶⣶⠶⠀⢠⣿⣿⠀⠀⠀⠀⠀⠛⢿⣿⣿⣿⣿⣇⠀⠀⠀⠀⠀⣰⣿⣿⣷⣶⣶⣶⣶⠶⠀⢠⣿⣿⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⠀⠀⠀⣿⣿⡇⠀⣽⣿⡏⠁⠀⠀⢸⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⠀⠀⠀⣿⣿⡇⠀⣽⣿⡏⠁⠀⠀⢸⣿⡇⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⠀⠀⠀⣿⣿⡇⠀⢹⣿⡆⠀⠀⠀⣸⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⠀⠀⠀⣿⣿⡇⠀⢹⣿⡆⠀⠀⠀⣸⣿⠇⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⢿⣿⣦⣄⣀⣠⣴⣿⣿⠁⠀⠈⠻⣿⣿⣿⣿⡿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⣦⣄⣀⣠⣴⣿⣿⠁⠀⠈⠻⣿⣿⣿⣿⡿⠏⠀⠀⠀⠀    //
//    ⠀⠀⠀⠀⠀⠀⠀⠈⠛⠻⠿⠿⠿⠿⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⠻⠿⠿⠿⠿⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀    //
//                                                                    //
//                                                                    //
//                                                                    //
////////////////////////////////////////////////////////////////////////


contract CM is ERC1155Creator {
    constructor() ERC1155Creator("Checkmates", "CM") {}
}

File 2 of 5 : ERC1155Creator.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";

contract ERC1155Creator is Proxy {

    constructor(string memory name, string memory symbol) {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x6bf5ed59dE0E19999d264746843FF931c0133090;
        Address.functionDelegateCall(
            0x6bf5ed59dE0E19999d264746843FF931c0133090,
            abi.encodeWithSignature("initialize(string,string)", name, symbol)
        );
    }

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
     function implementation() public view returns (address) {
        return _implementation();
    }

    function _implementation() internal override view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }    

}

File 3 of 5 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 4 of 5 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 5 of 5 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }
}

Settings
{
  "remappings": [
    "@openzeppelin/=node_modules/@openzeppelin/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 300
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

Deployed Bytecode

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

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]

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.