matic bridge

maticbridge.js

const { use } = require("@maticnetwork/maticjs");
const { Web3ClientPlugin } = require("@maticnetwork/maticjs-web3");
const { FxPortalClient } = require("@fxportal/maticjs-fxportal");


async function main() {

  use(Web3ClientPlugin);

  const fxPortalClient = new FxPortalClient();

  //fx client initiate
  await fxPortalClient.init({
    network: 'testnet',
    version: 'mumbai',
    parent: {
      provider: new HDWalletProvider(privateKey, rootRPC),
      defaultConfig: {
        from
      }
    },
    child: {
      provider: new HDWalletProvider(privateKey, childRPC),
      defaultConfig: {
        from
      }
    }
  });

  let erc20 = fxPortalClient.erc20("<tokenAddress>", "<isRoot>");

  //to approve
  const approveResult = await erc20.approve("<amount>");

  //to deposit
  const result = await erc20.deposit("<amount>", "<user address>");

  //to start withdraw
  const result = await erc20.withdrawStart("<amount>");
  const txHash = await result.getTransactionHash();

  // withdraw exit
  const result = await erc20.withdrawExit("<burn tx hash>");

}

main()
  .then(() => process.exit(0))
  .catch((error) => {
    console.error(error);
    process.exit(1);
  });