github.com/iotexproject/iotex-core@v1.14.1-rc1/action/protocol/execution/testdata-london/changestate.sol (about)

     1  // SPDX-License-Identifier: GPL-3.0
     2  
     3  pragma solidity ^0.8.14;
     4  
     5  contract ChangeState {
     6      uint256 public n = 0;
     7      event Log(uint256 n);
     8  
     9      function ChangeStateWithLogFail(uint256 add) public {
    10          n += add;
    11          emit Log(n);
    12          require(false);
    13          n++;
    14      }
    15  }