github.com/ethereum-optimism/optimism@v1.7.2/packages/contracts-bedrock/test/mocks/SimpleStorage.sol (about)

     1  // SPDX-License-Identifier: MIT
     2  pragma solidity ^0.8.0;
     3  
     4  contract SimpleStorage {
     5      mapping(bytes32 => bytes32) public db;
     6  
     7      function set(bytes32 _key, bytes32 _value) public payable {
     8          db[_key] = _value;
     9      }
    10  
    11      function get(bytes32 _key) public view returns (bytes32) {
    12          return db[_key];
    13      }
    14  }