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// Copyright (c) 2018 The VeChainThor developers
// Distributed under the GNU Lesser General Public License v3.0 software license, see the accompanying
// file LICENSE or <https://www.gnu.org/licenses/lgpl-3.0.html>
pragma solidity 0.4.24;
import './extension.sol';
/// @title Extension extends EVM global functions.
contract ExtensionV2 is Extension {
function txGasPayer() public view returns(address) {
return ExtensionV2Native(this).native_txGasPayer();
}
}
contract ExtensionV2Native is ExtensionNative {
function native_txGasPayer()public view returns(address);
}