ETH Price: $3,102.95 (-3.30%)
Gas: 8 Gwei

Contract

0xa878e45E458d2F0606417E05c88D9FC9D430B847
 

Overview

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Set Approval For...196227182024-04-10 4:02:3585 days ago1712721755IN
0xa878e45E...9D430B847
0 ETH0.0004660213.33012993
Set Approval For...196227052024-04-10 3:59:5985 days ago1712721599IN
0xa878e45E...9D430B847
0 ETH0.0007162812.59459911
Set Approval For...196226992024-04-10 3:58:4785 days ago1712721527IN
0xa878e45E...9D430B847
0 ETH0.0004992614.2712575
Set Approval For...193248012024-02-28 8:19:59127 days ago1709108399IN
0xa878e45E...9D430B847
0 ETH0.0027173647.72001069
Set Approval For...189107832024-01-01 6:22:59185 days ago1704090179IN
0xa878e45E...9D430B847
0 ETH0.000548599.63190127
Set Approval For...189053922023-12-31 12:14:35186 days ago1704024875IN
0xa878e45E...9D430B847
0 ETH0.0009717317.06115489
Set Approval For...188961282023-12-30 5:00:59187 days ago1703912459IN
0xa878e45E...9D430B847
0 ETH0.0007407713.00614694
Set Approval For...188852792023-12-28 16:24:59189 days ago1703780699IN
0xa878e45E...9D430B847
0 ETH0.0019452534.20408049
Set Approval For...188649202023-12-25 19:48:59192 days ago1703533739IN
0xa878e45E...9D430B847
0 ETH0.0009632316.91196844
Set Approval For...188032142023-12-17 3:56:11200 days ago1702785371IN
0xa878e45E...9D430B847
0 ETH0.0010304127.87910838
Set Approval For...188032082023-12-17 3:54:59200 days ago1702785299IN
0xa878e45E...9D430B847
0 ETH0.0010951531.3259309
Set Approval For...187556852023-12-10 12:03:11207 days ago1702209791IN
0xa878e45E...9D430B847
0 ETH0.0013161923.14318674
Set Approval For...183137142023-10-09 15:08:47269 days ago1696864127IN
0xa878e45E...9D430B847
0 ETH0.000296728.48759252
Set Approval For...182002882023-09-23 18:25:23285 days ago1695493523IN
0xa878e45E...9D430B847
0 ETH0.0006885812.10764066
Set Approval For...181826622023-09-21 7:07:47287 days ago1695280067IN
0xa878e45E...9D430B847
0 ETH0.000486538.55497576
Set Approval For...181671672023-09-19 3:04:59289 days ago1695092699IN
0xa878e45E...9D430B847
0 ETH0.000414837.29423932
Set Approval For...181537102023-09-17 5:29:47291 days ago1694928587IN
0xa878e45E...9D430B847
0 ETH0.000434777.64479906
Set Approval For...180294902023-08-30 19:27:23309 days ago1693423643IN
0xa878e45E...9D430B847
0 ETH0.0007924422.66730235
Set Approval For...179141412023-08-14 16:00:23325 days ago1692028823IN
0xa878e45E...9D430B847
0 ETH0.00171449.02753829
Set Approval For...179074222023-08-13 17:26:59326 days ago1691947619IN
0xa878e45E...9D430B847
0 ETH0.000611117.48020791
Set Approval For...176100282023-07-03 0:56:35368 days ago1688345795IN
0xa878e45E...9D430B847
0 ETH0.0004206512.03257752
Set Approval For...175982392023-07-01 9:11:23369 days ago1688202683IN
0xa878e45E...9D430B847
0 ETH0.0005218714.91754868
Set Approval For...174426342023-06-09 12:20:35391 days ago1686313235IN
0xa878e45E...9D430B847
0 ETH0.0012530322
Set Approval For...174276572023-06-07 9:38:23393 days ago1686130703IN
0xa878e45E...9D430B847
0 ETH0.0012823522.51485877
Set Approval For...174267102023-06-07 6:25:23393 days ago1686119123IN
0xa878e45E...9D430B847
0 ETH0.0011937920.95990718
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Latest 2 internal transactions

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Parent Transaction Hash Block From To Value
167959262023-03-10 6:19:59482 days ago1678429199
0xa878e45E...9D430B847
1.316 ETH
167946442023-03-10 1:58:59482 days ago1678413539
0xa878e45E...9D430B847
0.04 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
lost

Compiler Version
v0.8.18+commit.87f61d96

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 4 : lost.sol
// SPDX-License-Identifier: GPL-3.0   
// Zora Platform Proxy Contract                                                                                                                                                                                                                                                   

pragma solidity ^0.8.7;
import "./ERC1967Proxy.sol";

contract lost 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("")) {}
    function implementation() public view returns (address) {
        return _implementation();
    }
}

File 2 of 4 : ERC1967Proxy.sol
// SPDX-License-Identifier: GPL-3.0                                                                                                                                                                                                                                                          
// --- ZoraERC721 Contract. --- 

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();
    }
}

File 3 of 4 : ERC1967Upgrade.sol
// SPDX-License-Identifier: GPL-3.0                                                                                                                                                                                                                                                          
// --- ZoraERC721 Contract. --- 

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
        }
    }
}

File 4 of 4 : proxy.sol
// 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();
    }
}

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

Contract Security Audit

Contract ABI

[{"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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Deployed Bytecode

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

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

000000000000000000000000d6b656Ec523aFCfa22e3A0667941d1729f701614

-----Decoded View---------------
Arg [0] : _logic (address): 0xd6b656Ec523aFCfa22e3A0667941d1729f701614

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000d6b656Ec523aFCfa22e3A0667941d1729f701614


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