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 NumKit = require('../../kit/num-kit')
const PriceMonitorConfig = require('./config/price-monitor-config')

const showPrices = function(context, task) {
  const logger = task.logger
  const fileLogger = task.fileLogger
  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| percentage\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 = token.DistancePrice

    const percentage = NumKit.getSubFloat((DistancePrice / OneInchPrice) * 100, 2)

    // 价格非法的就不输出了
    if ((() => {
      return !OneInchPrice || !BinancePrice || !DistancePrice
    })()) return

    // 需要输出到文件的打印逻辑
    if ((() => {
      return percentage > PriceMonitorConfig.percentageLimit
    })()) {
      fileLogger.info(`| ${pair}\t\t| ${OneInchPrice}\t\t| ${BinancePrice}\t\t| ${DistancePrice}\t\t| ${percentage}\t\t|`)
    }
    console.info(`| ${pair}\t\t| ${OneInchPrice}\t\t| ${BinancePrice}\t\t| ${DistancePrice}\t\t| ${percentage}\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 = NumKit.getSubFloat(await OneInch.price(fromIerc20Token.contract, tokenHash, amount), 8)
    const BinancePrice = NumKit.getSubFloat(await BinanceSpot.realPrice(toToken.exchange.pair), 8)

    toToken.OneInchPrice = OneInchPrice
    toToken.BinancePrice = BinancePrice
    toToken.DistancePrice = NumKit.getSubFloat(BinancePrice - OneInchPrice, 8)
  }

  // 绘制帧
  showPrices(context, task)
}

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

priceMonitor.Start()