Function run

scripts/unwrapWeth.ts:28–83

()

// \ --keys bot1

export async function run(): Promise<void> {
  if (!Object.keys(args).includes("chainId")) {
    throw new Error("Define `chainId` as the chain you want to connect on");
  }
  if (!Object.keys(args).includes("amount")) {
    throw new Error("Define `amount` as how much you want to unwrap");
  }
  const baseSigner = await retrieveSignerFromCLIArgs();
  const signerAddr = await baseSigner.getAddress();
  const chainId = Number(args.chainId);
  const connectedSigner = baseSigner.connect(await getProvider(chainId));
  assert(TOKEN_SYMBOLS_MAP.WETH.addresses[chainId], "chainId does not have a defined WETH address");
  const token = TOKEN_SYMBOLS_MAP.WETH.addresses[chainId];
  const weth = new ethers.Contract(token, WETH9.abi, connectedSigner);
  const decimals = 18;
  const amountFromWei = ethers.utils.formatUnits(args.amount, decimals);

  const wrapping = args.wrap;
  if (wrapping) {
    console.log("Wrapping WETH 🎁");
    const { provider } = connectedSigner;
    assert(isDefined(provider), "Connected signer must have a provider");
    const currentBalance = ethers.utils.formatUnits(await provider.getBalance(signerAddr), decimals);
    console.log(`Current ETH balance for account ${signerAddr} on ${getNetworkName(chainId)}: ${currentBalance}`);
    if ((await provider.getBalance(signerAddr)).lt(toBN(args.amount))) {
      console.log(`ETH balance < ${amountFromWei}, exiting`);
      return;
    }
    console.log(`Wrap ${amountFromWei} ETH`);
    // Check the user is ok with the info provided. else abort.
    if (!(await askYesNoQuestion("\nConfirm that you want to execute this transaction?"))) {
      return;
    }
    console.log("sending...");
    const tx = await weth.deposit({ value: args.amount });
    const receipt = await tx.wait();
    console.log("Transaction hash:", receipt.transactionHash);
  } else {
    console.log("Unwrapping WETH 🎊");
    const currentBalance = ethers.utils.formatUnits(await weth.balanceOf(signerAddr), decimals);
    console.log(`Current WETH balance for account ${signerAddr} on Mainnet: ${currentBalance}`);
    if ((await weth.balanceOf(signerAddr)).lt(toBN(args.amount))) {
      console.log(`WETH balance < ${amountFromWei}, exiting`);
      return;
    }
    console.log(`Unwrap ${amountFromWei} WETH`);
    // Check the user is ok with the info provided. else abort.
    if (!(await askYesNoQuestion("\nConfirm that you want to execute this transaction?"))) {
      return;
    }
    console.log("sending...");
    const tx = await weth.withdraw(args.amount);
    const receipt = await tx.wait();
    console.log("Transaction hash:", receipt.transactionHash);
  }
}

if (require.main === module) {