Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@thirdweb-dev/contracts/extension/ContractMetadata.sol";

contract HashStorage is ContractMetadata {
    struct HashData {
        string hash;
        string metadata;
    }

    address public owner;

    constructor() {
        owner = msg.sender;
    }

    mapping(uint256 => HashData) public hashData;
    uint256 public hashCount;

    event HashStored(uint256 indexed id, string hash, string metadata);

    function storeHash(string memory _hash, string memory _metadata) public {
        hashData[hashCount] = HashData(_hash, _metadata);
        emit HashStored(hashCount, _hash, _metadata);
        hashCount++;
    }


    function _canSetContractURI() internal view virtual override returns (bool){
        return msg.sender == owner;
    }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./interface/IContractMetadata.sol";

/**
 *  @title   Contract Metadata
 *  @notice  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
 *           for you contract.
 *           Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
 */

abstract contract ContractMetadata is IContractMetadata {
    /// @dev The sender is not authorized to perform the action
    error ContractMetadataUnauthorized();

    /// @notice Returns the contract metadata URI.
    string public override contractURI;

    /**
     *  @notice         Lets a contract admin set the URI for contract-level metadata.
     *  @dev            Caller should be authorized to setup contractURI, e.g. contract admin.
     *                  See {_canSetContractURI}.
     *                  Emits {ContractURIUpdated Event}.
     *
     *  @param _uri     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     */
    function setContractURI(string memory _uri) external override {
        if (!_canSetContractURI()) {
            revert ContractMetadataUnauthorized();
        }

        _setupContractURI(_uri);
    }

    /// @dev Lets a contract admin set the URI for contract-level metadata.
    function _setupContractURI(string memory _uri) internal {
        string memory prevURI = contractURI;
        contractURI = _uri;

        emit ContractURIUpdated(prevURI, _uri);
    }

    /// @dev Returns whether contract metadata can be set in the given execution context.
    function _canSetContractURI() internal view virtual returns (bool);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 *  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
 *  for you contract.
 *
 *  Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
 */

interface IContractMetadata {
    /// @dev Returns the metadata URI of the contract.
    function contractURI() external view returns (string memory);

    /**
     *  @dev Sets contract URI for the storefront-level metadata of the contract.
     *       Only module admin can call this function.
     */
    function setContractURI(string calldata _uri) external;

    /// @dev Emitted when the contract URI is updated.
    event ContractURIUpdated(string prevURI, string newURI);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "paris",
  "remappings": [
    ":@thirdweb-dev/=node_modules/@thirdweb-dev/",
    ":forge-std/=lib/forge-std/src/"
  ],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ContractMetadataUnauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"prevURI","type":"string"},{"indexed":false,"internalType":"string","name":"newURI","type":"string"}],"name":"ContractURIUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"string","name":"hash","type":"string"},{"indexed":false,"internalType":"string","name":"metadata","type":"string"}],"name":"HashStored","type":"event"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"hashCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"hashData","outputs":[{"internalType":"string","name":"hash","type":"string"},{"internalType":"string","name":"metadata","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_hash","type":"string"},{"internalType":"string","name":"_metadata","type":"string"}],"name":"storeHash","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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