import { swapTokens } from "uniswap-v2-helper";
import { ethers } from "ethers";

const privateKey = "0x...";
const provider = ethers.getDefaultProvider();
const signer = new ethers.Wallet(privateKey, provider);

const receipt = await swapTokens({
  ethersSigner: signer,
  recipientAddress: "0x...",
  outputAmount: "1",
  inputTokenAddress: "0x...",
  outputTokenAddress: "0x...",
  inputTokenDecimals: 6,
  outputTokenDecimals: 18,
  maxSlippage: 5,
  maxDelay: 60 * 2
});