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

     1  pragma solidity ^0.4.24;
     2  
     3  contract BasicToken {
     4  
     5    mapping(address => uint256) balances;
     6  
     7    function transfer(address recipient, uint256 value) public {
     8      balances[msg.sender] -= value;
     9      balances[recipient] += value;
    10    }
    11  
    12    function balanceOf(address account) public constant returns (uint256) {
    13      return balances[account];
    14    }
    15  
    16  }