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Create ounter.sol #9

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buv22 wants to merge 1 commit into Analog-Labs:main from buv22:patch-2

buv22 commented May 14, 2024

ounter.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IGmpReceiver} from "contracts/IGmpReceiver.sol";

contract Counter is IGmpReceiver {
address private immutable _gateway;
uint256 public number;

constructor(address gateway) {
    _gateway = gateway;
}

function onGmpReceived(bytes32, uint128, bytes32, bytes calldata) external payable returns (bytes32) {
    require(msg.sender == _gateway, "unauthorized");
    number++;
    return bytes32(number);
}

}


          Create ounter.sol

b18b59a

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