Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Is this a proxy?
• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: GPL-3.0                                                                                                                                                                                                                                                          
pragma solidity ^0.8.7;

import "./ERC1967Proxy.sol";

contract WonderingCats is ERC1967Proxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.
     */
    constructor(address _logic) payable ERC1967Proxy(_logic, bytes("")) {}

    /**
     * @dev Returns the current implementation.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
     */
    function implementation() public view returns (address) {
        return _implementation();
    }
}

// SPDX-License-Identifier: GPL-3.0                                                                                                                                                                                                                                                          
// --- Bruno721Drop Contract. --- 
// --- Don't Copy. Be careful your asset ---
pragma solidity ^0.8.7;
import "./Proxy.sol";
import "./ERC1967Upgrade.sol";

contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializing the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

// SPDX-License-Identifier: GPL-3.0                                                                                                                                                                                                                                                          
// --- Bruno721Drop Contract. --- 
// --- Don't Copy. Be careful your asset ---
pragma solidity ^0.8.7;

abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @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 Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        // require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
        _upgradeTo(newImplementation);
        // if (data.length > 0 || forceCall) {
        //     functionDelegateCall(newImplementation, data, "Address: low-level delegate call failed");
        // }
    }

    struct AddressSlot {
        address value;
    }
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }
}

// SPDX-License-Identifier: GPL-3.0                                                                                                                                                                                                                                                          

pragma solidity ^0.8.7;

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 {
        _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();
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"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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

00000000000000000000000002E2c2314eee894D6cAa1d86C877b117542FBC72

-----Decoded View---------------
Arg [0] : _logic (address): 0x02E2c2314eee894D6cAa1d86C877b117542FBC72

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000002E2c2314eee894D6cAa1d86C877b117542FBC72