Batch.sol

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import "hardhat/console.sol";

contract Batch {
	function multiCall(address[] calldata targets, bytes[] calldata data)
		public
		returns (bytes[] memory)
	{
		require(targets.length == data.length, "target length != data length");

		bytes[] memory results = new bytes[](data.length);

		for (uint256 i; i < targets.length; i++) {
			(bool success, bytes memory result) = targets[i].call(data[i]);
			require(success, "call failed");
			results[i] = result;
		}

		return results;
	}
}