const IconBridgeSDK = require("@espanicon/icon-bridge-sdk-js");
const iconAddr = "hxf13e8fa67714132692162cb5e560ac54319c7933",
  iconPk = "",
  bscAddr = "0x6cfc659109E7443306408f48bD6a7Dc9408D55A0",
  bscPk = "";

async function runAsync() {
  const sdk = new IconBridgeSDK({
    useMainnet: false
  });

  console.log(
    await sdk.bsc.methods.transferNativeCoin(
      iconAddr,
      "icon",
      bscAddr,
      bscPk,
      "0.1"
    )
  );
  //  Result
  // {
  //   jsonrpc: '2.0',
  //   id: 49,
  //   result: '0x1ba9b737c9d53ea00c74e9f7cc605722fa0333ff2ed2a3fab64e7df964716dbe'
  // }

  console.log(
    await sdk.icon.methods.transferNativeCoin(
      bscAddr,
      "bsc",
      iconAddr,
      iconPk,
      "66"
    )
  );
  //  Result
  // {
  //   jsonrpc: '2.0',
  //   result: '0xf659c8271611694abe3da26a3d74f012f2ec11521c879bc011311eb6508be183',
  //   id: 531
  // }
}

runAsync();