withdraw MATIC from L2 to L1 and withdraw exit from L1

withdrawExitMATIC.ts

import { sleep } from "../utils/utilityFunctions";
import { getPlasmaClient } from "../utils/plasmaClient";
import { maticAddressL1 } from "../../config";
import { ITransactionWriteResult } from "@maticnetwork/maticjs";
import { PlasmaClient } from "@maticnetwork/maticjs-plasma";
import type { ERC20 } from "@maticnetwork/maticjs-plasma/dist/ts/erc20";
import ps from "prompt-sync";
const prompt = ps();

export async function withdrawExitMATIC() {
  try {
    console.log("\n-----------------------------------------");
    console.log("WITHDRAW MATIC TOKEN ON L1");
    console.log("-----------------------------------------\n");

    /* ---------------------------- INPUT ------------------------------ */

    const transactionHash = prompt("Enter the transaction hash of the burned token on L2: ");
    if (!transactionHash) return console.log("The address of Root Token to bridge cannot be null");
    if (transactionHash.length !== 66)
      return console.log(`${transactionHash} is not a valid transaction hash`);

    /* ---------------------------- SETUP ------------------------------ */

    /* 
      SETUP PLASMA CLIENT
    */
    const plasmaClient: PlasmaClient | undefined = await getPlasmaClient();
    if (plasmaClient) {
      let maticToken: ERC20 = plasmaClient.erc20(maticAddressL1, true);

      /* ---------------------------- WITHDRAW EXIT ---------------------------- */

      /* 
        WITHDRAW EXIT MATIC TOKEN ON L1
      */
      console.log("\n-----------------------------------------");
      console.log("WITHDRAW - MATIC FROM L2 to L1");
      console.log("-----------------------------------------\n");
      let withdrawResponse: ITransactionWriteResult = await maticToken.withdrawConfirm(transactionHash);
      console.log("WithdrawExit transaction hash: ", await withdrawResponse.getTransactionHash());
      console.log(
        `Transaction details: https://goerli.etherscan.io/tx/${await withdrawResponse.getTransactionHash()}`
      );
      console.log(`\nMATIC withdrawal Exit successfully`);
    } else {
      console.log("plasmaClient is undefined");
    }
  } catch (error) {
    console.log("Error in withdrawExitMATIC: ", error);
  }
}

withdrawMATIC.ts

import { sleep } from "../utils/utilityFunctions";
import { getPlasmaClient } from "../utils/plasmaClient";
import { maticAddressL2 } from "../../config";
import { ITransactionWriteResult } from "@maticnetwork/maticjs";
import { PlasmaClient } from "@maticnetwork/maticjs-plasma";
import type { ERC20 } from "@maticnetwork/maticjs-plasma/dist/ts/erc20";
import ps from "prompt-sync";
const prompt = ps();

export async function withdrawMATIC() {
  try {
    console.log("\n-----------------------------------------");
    console.log("BRIDGE MATIC from L2 to L1");
    console.log("-----------------------------------------\n");

    /* ---------------------------- INPUT ------------------------------ */

    const amount: string | null = prompt("Enter the total amount of MATIC to bridge: ");
    if (!amount) return console.log("Total amount of MATIC to bridge cannot be null");
    if (Number(amount) <= 0)
      return console.log("Total amount of MATIC to bridge cannot be less than or equal to zero");

    /* ---------------------------- SETUP ------------------------------ */

    /* 
      SETUP PLASMA CLIENT
    */
    const plasmaClient: PlasmaClient | undefined = await getPlasmaClient();
    if (plasmaClient) {
      let maticToken: ERC20 = plasmaClient.erc20(maticAddressL2);

      /* ---------------------------- WITHDRAW ---------------------------- */

      /* 
        WITHDRAW MATIC TOKEN FROM L2
      */
      console.log("\n-----------------------------------------");
      console.log("WITHDRAW - MATIC FROM L2 to L1");
      console.log("-----------------------------------------\n");
      let withdrawResponse: ITransactionWriteResult = await maticToken.withdrawStart(amount);
      console.log("Withdraw transaction hash: ", await withdrawResponse.getTransactionHash());
      console.log(
        `Transaction details: https://mumbai.polygonscan.com/tx/${await withdrawResponse.getTransactionHash()}`
      );
      console.log(`\nMATIC withdrawn successfully`);
      console.log(
        `\nNext step is to Withdraw Exit, kindly store the Transaction Hash: ${await withdrawResponse.getTransactionHash()}`
      );
    } else {
      console.log("plasmaClient is undefined");
    }
  } catch (error) {
    console.log("Error in withdrawMATIC: ", error);
  }
}