swap task

omnichain/swap/tasks/swap.ts

@@ -0,0 +1,47 @@
+import { task } from "hardhat/config";
+import { HardhatRuntimeEnvironment } from "hardhat/types";
+import { parseEther } from "@ethersproject/units";
+import { ethers } from "ethers";
+
+const main = async (args: any, hre: HardhatRuntimeEnvironment) => {
+  const [signer] = await hre.ethers.getSigners();
+
+  if (!/zeta_(testnet|mainnet)/.test(hre.network.name)) {
+    throw new Error('🚨 Please use either "zeta_testnet" or "zeta_mainnet".');
+  }
+
+  const factory = await hre.ethers.getContractFactory("SwapToAnyToken");
+  const contract = factory.attach(args.contract);
+
+  const amount = parseEther(args.amount);
+  const inputToken = args.inputToken;
+  const targetToken = args.targetToken;
+  const recipient = ethers.utils.arrayify(args.recipient);
+  const withdraw = JSON.parse(args.withdraw);
+
+  const erc20Factory = await hre.ethers.getContractFactory("ERC20");
+  const inputTokenContract = erc20Factory.attach(args.inputToken);
+
+  const approval = await inputTokenContract.approve(args.contract, amount);
+  await approval.wait();
+
+  const tx = await contract.swap(
+    inputToken,
+    amount,
+    targetToken,
+    recipient,
+    withdraw
+  );
+
+  await tx.wait();
+  console.log(`Transaction hash: ${tx.hash}`);
+};
+
+task("swap", "Interact with the Swap contract from ZetaChain", main)
+  .addFlag("json", "Output JSON")
+  .addParam("contract", "Contract address")
+  .addParam("amount", "Token amount to send")
+  .addParam("inputToken", "Input token address")
+  .addParam("targetToken", "Target token address")
+  .addParam("recipient", "Recipient address")
+  .addParam("withdraw", "Withdraw flag (true/false)");