github.com/klaytn/klaytn@v1.12.1/contracts/feepayer/fee_payer_indirect_test.sol (about)

     1  // Copyright 2019 The klaytn Authors
     2  // This file is part of the klaytn library.
     3  //
     4  // The klaytn library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The klaytn library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the klaytn library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  pragma solidity >0.8.0;
    18  
    19  interface FeePayer {
    20      function GetFeePayer() external returns (address);
    21  }
    22  
    23  contract FeePayerIndirect {
    24      function TestCall(address _target) public returns (address) {
    25          return FeePayer(_target).GetFeePayer();
    26      }
    27  }