one/scripts/monitors/price-monitor.js

const OneTask = require('../../libs/one-task')
const OneInch = require('../../libs/web3/1inch')
const BinanceSpot = require('../../libs/binance/binance-spot')
const Config = require('../../config/config')

const showPrices = function(context, task) {
  const logger = task.logger
  const tokenMap = context.tokenMap

  console.clear()

  console.info(`-----------------------------------------------------------------------------------------------------------------`)
  console.info(`| pair\t\t\t| 1inch\t\t\t\t| binance\t\t| distance\t\t\t|`)
  console.info(`-----------------------------------------------------------------------------------------------------------------`)
  Object.keys(tokenMap).forEach((tokenHash) => {
    const token = tokenMap[tokenHash]
    const pair = token.exchange.pair
    const OneInchPrice = token.OneInchPrice
    const BinancePrice = token.BinancePrice
    const distancePrice = BinancePrice - OneInchPrice

    console.info(`| ${pair}\t\t| ${OneInchPrice}\t\t| ${BinancePrice}\t\t| ${distancePrice}\t\t|`)
  })
  console.info(`-----------------------------------------------------------------------------------------------------------------`)
  logger.info('')
}

const onTickFun = async function() {
  const task = this
  const context = task.context
  const tokenMap = context.tokenMap
  const tokenContractAddressList = Object.keys(tokenMap)

  // 搜集所有价格数据
  for (const tokenHash of tokenContractAddressList) {
    const toToken = tokenMap[tokenHash]
    const fromIerc20Token = Config.baseIerc20Token
    const amount = Config.baseTokenAmount

    const OneInchPrice = await OneInch.price(fromIerc20Token.contract, tokenHash, amount)
    const BinancePrice = await BinanceSpot.realPrice(toToken.exchange.pair)

    toToken.OneInchPrice = OneInchPrice
    toToken.BinancePrice = BinancePrice
  }

  // 绘制帧
  showPrices(context, task)
}

const priceMonitor = new OneTask('PriceMonitor',5 * 1000, OneTask.baseInit, onTickFun)

priceMonitor.Start()