sendCalls

import { useSendCalls } from "wagmi";
import { encodeFunctionData, parseUnits } from "viem";
import { useAbstractClient } from "@abstract-foundation/agw-react";

export function SendCalls() {
  const { data: abstractClient } = useAbstractClient();
  const { sendCalls } = useSendCalls();

  return (
    <button
      onClick={() => {
        if (!abstractClient) return;

        sendCalls({
          calls: [
            // 1 - Approval
            {
              to: TOKEN_ADDRESS,
              data: encodeFunctionData({
                abi: erc20Abi,
                functionName: "approve",
                args: [ROUTER_ADDRESS, parseUnits("100", 18)],
              }),
            },
            // 2 - Swap
            {
              to: ROUTER_ADDRESS,
              data: encodeFunctionData({
                abi: routerAbi,
                functionName: "swapExactTokensForETH",
                args: [
                  parseUnits("100", 18),
                  BigInt(0),
                  [TOKEN_ADDRESS, WETH_ADDRESS],
                  abstractClient.account.address,
                  BigInt(Math.floor(Date.now() / 1000) + 60 * 20),
                ],
              }),
            },
          ],
        });
      }}
    >
      Send Batch Calls
    </button>
  );
}

import { parseAbi } from "viem";

export const ROUTER_ADDRESS = "0x07551c0Daf6fCD9bc2A398357E5C92C139724Ef3";
export const TOKEN_ADDRESS = "0xdDD0Fb7535A71CD50E4B8735C0c620D6D85d80d5";
export const WETH_ADDRESS = "0x9EDCde0257F2386Ce177C3a7FCdd97787F0D841d";
export const PAYMASTER_ADDRESS = "0x5407B5040dec3D339A9247f3654E59EEccbb6391";

export const routerAbi = parseAbi([
  "function swapExactTokensForETH(uint256,uint256,address[],address,uint256) external",
]);

export const erc20Abi = parseAbi([
  "function approve(address,uint256) external",
]);