Contract 0x12A7a3f6073494D998D491874a23437cEa68278c

 
 
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0xf694b7833b726f53aed01c2988762a49a288d56f0fa4e9c20c3047efdba3008eSet Approval For...158303312022-10-26 6:03:2335 days 14 hrs ago0x9cc31c2e76327e8bcd27dd7505ff69c8d0dce918 IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00058735 11.50489604
0xe2591b56f4ce28de83cb119e8c64e0c52131b7466c4fe2abfec4294b4322780aSafe Transfer Fr...158303192022-10-26 6:00:5935 days 14 hrs ago0xd3a74341adac943de6600468393bb6ca4431a7fd IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00070426 10.07915838
0xd20445b54988bdf491b0ee58aaa70346cf3d9ac3b5238200e607f47cf981a4adSet Approval For...157053002022-10-08 18:55:4753 days 1 hr ago0xd3a74341adac943de6600468393bb6ca4431a7fd IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00354321 69.28870612
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0xbd9f53c8b58974d19faf6a0f815b1a23915fbc01642dda06635e65dcfa942e07Mint Base156342702022-09-28 20:37:2362 days 23 hrs ago0x7aa96077eb5c3de1c061ca20fa1920a8562097f7 IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00222719 12.58480298
0x77b8ec986cd82d491b0135abcb0b0309c5688537d3ffbc5031145f6127bebf2dSet Approval For...156282562022-09-28 0:28:2363 days 19 hrs ago0xd3a74341adac943de6600468393bb6ca4431a7fd IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00049239 9.64479283
0x7399514fe6a6cb7e6d14c1549b4f97c16198799c90f7fbb0a3c8ec15bf67e5b5Set Approval For...156274502022-09-27 21:45:4763 days 22 hrs ago0x119fcd292b95551e8af472fc4721ac34cc5f48e5 IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00057542 11.27103901
0x58a036c6b91884fd1ad7e3b9a98a6d51529deaf8161995ab23b92d464e8c6692Set Approval For...156203112022-09-26 21:46:5964 days 22 hrs agoENS Name selwob.eth IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00140698 27.55937153
0x6ab8517a6cc843c20993515bdf5fe2fb3ecc59132d1c8ef37fb485dacd94990cSet Royalties156200122022-09-26 20:46:2364 days 23 hrs ago0x7aa96077eb5c3de1c061ca20fa1920a8562097f7 IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.0008301 19.31835638
0xe71fd0d7dfddb3abda65f41d5072b6e9a95df0332bf9ecbb836c1952348ae266Safe Transfer Fr...156123382022-09-25 19:00:1166 days 1 hr ago0x7aa96077eb5c3de1c061ca20fa1920a8562097f7 IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00045215 6.47116422
0x7799a7e20918019d21efa5eeeb0e5d44638ca45b101a1330c0c01a655062eadbMint Base156123192022-09-25 18:56:2366 days 1 hr ago0x7aa96077eb5c3de1c061ca20fa1920a8562097f7 IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00109127 6.16626913
0x62b105d7ffe9e5bac49433014de7fb409ca3c5a3b30d60bd82d4c703eae12d33Burn155921582022-09-22 23:26:4768 days 20 hrs ago0x7aa96077eb5c3de1c061ca20fa1920a8562097f7 IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00059013 10.10329512
0x26016e25be5c849660cc6ada46adf36669b5b99fb74db5c8dbbaead1b0ca02f9Set Approval For...155903412022-09-22 17:22:2369 days 2 hrs agoENS Name funghibull.eth IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00068013 13.32217036
0xe2a8236d24f0200813eb93fe83db49af3dbbedc6204c9a03f8ff7e21875364aeSafe Transfer Fr...155843512022-09-21 21:14:2369 days 23 hrs ago0xd3a74341adac943de6600468393bb6ca4431a7fd IN  0x12a7a3f6073494d998d491874a23437cea68278c0 Ether0.00214226 30.65945855
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Contract Source Code Verified (Exact Match)

Contract Name:
oneofone

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 300 runs

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

pragma solidity ^0.8.0;

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

import "./ERC721Creator.sol";

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                                                                                                   //
//                                                                                                                                                                                   //
//              _____                    _____                    _____                    _____                    _____                    _____                _____              //
//             /\    \                  /\    \                  /\    \                  /\    \                  /\    \                  /\    \              /\    \             //
//            /::\    \                /::\    \                /::\    \                /::\    \                /::\    \                /::\    \            /::\    \            //
//           /::::\    \               \:::\    \               \:::\    \               \:::\    \              /::::\    \              /::::\    \           \:::\    \           //
//          /::::::\    \               \:::\    \               \:::\    \               \:::\    \            /::::::\    \            /::::::\    \           \:::\    \          //
//         /:::/\:::\    \               \:::\    \               \:::\    \               \:::\    \          /:::/\:::\    \          /:::/\:::\    \           \:::\    \         //
//        /:::/  \:::\    \               \:::\    \               \:::\    \               \:::\    \        /:::/__\:::\    \        /:::/  \:::\    \           \:::\    \        //
//       /:::/    \:::\    \              /::::\    \              /::::\    \              /::::\    \      /::::\   \:::\    \      /:::/    \:::\    \          /::::\    \       //
//      /:::/    / \:::\    \    ____    /::::::\    \    _____   /::::::\    \    ____    /::::::\    \    /::::::\   \:::\    \    /:::/    / \:::\    \        /::::::\    \      //
//     /:::/    /   \:::\ ___\  /\   \  /:::/\:::\    \  /\    \ /:::/\:::\    \  /\   \  /:::/\:::\    \  /:::/\:::\   \:::\    \  /:::/    /   \:::\    \      /:::/\:::\    \     //
//    /:::/____/     \:::|    |/::\   \/:::/  \:::\____\/::\    /:::/  \:::\____\/::\   \/:::/  \:::\____\/:::/  \:::\   \:::\____\/:::/____/     \:::\____\    /:::/  \:::\____\    //
//    \:::\    \     /:::|____|\:::\  /:::/    \::/    /\:::\  /:::/    \::/    /\:::\  /:::/    \::/    /\::/    \:::\  /:::/    /\:::\    \      \::/    /   /:::/    \::/    /    //
//     \:::\    \   /:::/    /  \:::\/:::/    / \/____/  \:::\/:::/    / \/____/  \:::\/:::/    / \/____/  \/____/ \:::\/:::/    /  \:::\    \      \/____/   /:::/    / \/____/     //
//      \:::\    \ /:::/    /    \::::::/    /            \::::::/    /            \::::::/    /                    \::::::/    /    \:::\    \              /:::/    /              //
//       \:::\    /:::/    /      \::::/____/              \::::/    /              \::::/____/                      \::::/    /      \:::\    \            /:::/    /               //
//        \:::\  /:::/    /        \:::\    \               \::/    /                \:::\    \                      /:::/    /        \:::\    \           \::/    /                //
//         \:::\/:::/    /          \:::\    \               \/____/                  \:::\    \                    /:::/    /          \:::\    \           \/____/                 //
//          \::::::/    /            \:::\    \                                        \:::\    \                  /:::/    /            \:::\    \                                  //
//           \::::/    /              \:::\____\                                        \:::\____\                /:::/    /              \:::\____\                                 //
//            \::/____/                \::/    /                                         \::/    /                \::/    /                \::/    /                                 //
//             ~~                       \/____/                                           \/____/                  \/____/                  \/____/                                  //
//                                                                                                                                                                                   //
//                                                                                                                                                                                   //
//                                                                                                                                                                                   //
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract oneofone is ERC721Creator {
    constructor() ERC721Creator("dijiact", "oneofone") {}
}

File 2 of 5 : ERC721Creator.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 ERC721Creator is Proxy {
    
    constructor(string memory name, string memory symbol) {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a;
        Address.functionDelegateCall(
            0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a,
            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 v4.7.0) (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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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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Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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