one/services/eth-service.js

const MyKit = require("../kit/MyKit");
const Config = require("../config/config");

class EthService {}

EthService.Start = async function() {
  while (true) {
    try {
      let balance = await wallet.getBalance()

      if (balance) {
        balance = MyKit._N(parseFloat(balance), 4)
        const prevBalance = Config.bnbBalance

        if ((prevBalance || prevBalance === 0) && balance !== prevBalance) {
          console.log(`[BNB余额变更]${prevBalance}->${balance}.`)
          // 发送过交易的情况下才判定为因交易减少BNB
          if (balance < prevBalance) {
            console.log(`\t当前交易失败(BNB连续减少但BUSD不变化)次数：${++Config.refreshBNBTimes}.`)
          }
        } else if (!prevBalance && prevBalance !== 0) {
          console.log(`[BNB余额初始化]${balance}.`)
        }

        Config.bnbBalance = balance
      }
    } catch (e) {
      console.log(e)
    }

    await MyKit.sleep(1000)
  }
}

module.exports = EthService