const Web3 = require('web3')
const { BRIDGE_MODES, getBridgeMode, HOME_ERC_TO_ERC_ABI } = require('../../commons')

const { COMMON_HOME_BRIDGE_ADDRESS, COMMON_HOME_RPC_URL } = process.env
const homeProvider = new Web3.providers.HttpProvider(COMMON_HOME_RPC_URL)
const web3Home = new Web3(homeProvider)

async function isV1Bridge() {
  const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_ERC_ABI, COMMON_HOME_BRIDGE_ADDRESS)
  const bridgeMode = await getBridgeMode(homeBridge)
  return bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC_V1
}

module.exports = {
  isV1Bridge
}