ETH Price: $3,280.27 (-10.81%)

Contract

0x836473Fa81FF3e7D4E6Ee3D542f03cCeb3f629d2
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To

There are no matching entries

Please try again later

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
TransferManagerERC721

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 99999 runs

Other Settings:
default evmVersion
File 1 of 4 : TransferManagerERC721.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";

import {TheTransferManager} from "../interface/TheTransferManager.sol";

/**
 * @title TransferManagerERC721
 * @notice It allows the transfer of ERC721 tokens.
 */
contract TransferManagerERC721 is TheTransferManager {
    address public immutable UNEMETA_MARKET;

    /**
     * @notice Constructor
     * @param _unemetaMarket address of the Unemeta exchange
     */
    constructor(address _unemetaMarket) {
        UNEMETA_MARKET = _unemetaMarket;
    }

    //
    // function transferNonFungibleToken
    //  @Description: transfer nft
    //  @param address
    //  @param address
    //  @param address
    //  @param uint256
    //  @param uint256
    //  @return external
    //
    function transferNonFungibleToken(
        address collection,
        address from,
        address to,
        uint256 tokenId,
        uint256
    ) external override {
        require(msg.sender == UNEMETA_MARKET, "Only Unemeta Market can call this function");
        // https://docs.openzeppelin.com/contracts/2.x/api/token/erc721#IERC721-safeTransferFrom
        IERC721(collection).safeTransferFrom(from, to, tokenId);
    }
}

File 2 of 4 : TheTransferManager.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface TheTransferManager {
    function transferNonFungibleToken(
        address collection,
        address from,
        address to,
        uint256 tokenId,
        uint256 amount
    ) external;
}

File 3 of 4 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

File 4 of 4 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 99999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_unemetaMarket","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"UNEMETA_MARKET","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"collection","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"transferNonFungibleToken","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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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)

0000000000000000000000002445a4e934af7c786755931610af099554ba1354

-----Decoded View---------------
Arg [0] : _unemetaMarket (address): 0x2445A4E934AF7C786755931610Af099554Ba1354

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000002445a4e934af7c786755931610af099554ba1354


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

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.