hyperlane-monorepo/solidity/contracts/test/TestInterchainGasPaymaster.sol

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.8.0;

// ============ Internal Imports ============
import {InterchainGasPaymaster} from "../hooks/igp/InterchainGasPaymaster.sol";

contract TestInterchainGasPaymaster is InterchainGasPaymaster {
    uint256 public constant gasPrice = 10;

    constructor() {
        initialize(msg.sender, msg.sender);
    }

    function quoteGasPayment(
        uint32,
        uint256 gasAmount
    ) public pure override returns (uint256) {
        return gasPrice * gasAmount;
    }

    function getDefaultGasUsage() public pure returns (uint256) {
        return DEFAULT_GAS_USAGE;
    }
}