import "@luxfi/standard/src/multicall/Multicall2.sol";

// Batch read token balances
Multicall2.Call[] memory calls = new Multicall2.Call[](3);

calls[0] = Multicall2.Call({
    target: token1,
    callData: abi.encodeWithSignature("balanceOf(address)", user)
});
calls[1] = Multicall2.Call({
    target: token2,
    callData: abi.encodeWithSignature("balanceOf(address)", user)
});
calls[2] = Multicall2.Call({
    target: token3,
    callData: abi.encodeWithSignature("balanceOf(address)", user)
});

// Single RPC call returns all balances
(, bytes[] memory results) = multicall.aggregate(calls);

uint256 balance1 = abi.decode(results[0], (uint256));
uint256 balance2 = abi.decode(results[1], (uint256));
uint256 balance3 = abi.decode(results[2], (uint256));