upgrade eslint, reformat code

package.json

@@ -54,21 +54,20 @@
   },
   "devDependencies": {
     "@types/dotenv": "^8.2.0",
-    "@types/node": "^14.14.20",
+    "@types/node": "^16.18.68",
     "@types/node-fetch": "2.x",
     "@types/node-schedule": "^2.1.0",
     "@types/nodemailer": "^6.4.7",
     "@types/redis": "^2.8.28",
-    "@typescript-eslint/eslint-plugin": "^4.25.0",
+    "@typescript-eslint/eslint-plugin": "^6.19.0",
-    "@typescript-eslint/parser": "^4.25.0",
+    "@typescript-eslint/parser": "^6.19.0",
-    "eslint": "^7.27.0",
+    "eslint-config-prettier": "^9.1.0",
-    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-prettier": "^5.1.3",
-    "eslint-plugin-prettier": "^3.4.0",
+    "prettier": "^3.2.4",
-    "prettier": "^2.3.0",
     "ts-node": "^10.9.1",
     "ts-node-dev": "^2.0.0",
     "tsconfig-paths": "^3.9.0",
     "tslint": "^6.1.1",
-    "typescript": "^4.1.3"
+    "typescript": "^5.3.3"
   }
 }

src/chain/chain.api.ts

@@ -1,4 +1,4 @@
-import fetch, {Response} from "node-fetch"
+import fetch, { Response } from 'node-fetch'
 import { retry } from 'utils/promise.util'
 // AbortController was added in node v14.17.0 globally
 const AbortController = globalThis.AbortController
@@ -6,13 +6,13 @@ const AbortController = globalThis.AbortController
 const request = async (url: string, options: any) => {
   const controller = new AbortController()
   const timeout = setTimeout(() => controller.abort(), 30000)
-  let res: Response;
+  let res: Response
   try {
     res = await fetch(url, { ...options, signal: controller.signal })
     clearTimeout(timeout)
   } catch (err) {
     clearTimeout(timeout)
-    throw err;
+    throw err
   }
   return res
 }
@@ -20,22 +20,21 @@ const request = async (url: string, options: any) => {
 const requestChain = async (rpc: string, method: string, params: any) => {
   const data = {
     id: Date.now(),
-    jsonrpc: "2.0",
+    jsonrpc: '2.0',
     method,
-    params
+    params,
   }
   return request(rpc, {
-    method: "POST",
+    method: 'POST',
     headers: {
-      "Content-Type": "application/json; charset=utf-8"
+      'Content-Type': 'application/json; charset=utf-8',
     },
-    body: JSON.stringify(data) 
+    body: JSON.stringify(data),
-  })
+  }).then(res => res.json())
-  .then((res) => res.json())
 }
 
 export const ethBlockNumber = async (rpc: string) => {
-  return requestChain(rpc, "eth_blockNumber", [])
+  return requestChain(rpc, 'eth_blockNumber', [])
 }
 
 export const retryEthBlockNumber = async (rpc: string) => {
@@ -47,61 +46,58 @@ export const retryEthBlockNumber = async (rpc: string) => {
 }
 
 export const ethGetBlockByNumber = async (rpc: string, blockNumber: string) => {
-  return requestChain(rpc, "eth_getBlockByNumber", [blockNumber, true])
+  return requestChain(rpc, 'eth_getBlockByNumber', [blockNumber, true])
 }
 
 export const ethGetLogs = async (rpc: string, params: any) => {
-  return requestChain(rpc, "eth_getLogs", params)
+  return requestChain(rpc, 'eth_getLogs', params)
 }
 
 export const _batchEthBlocks = async (rpc: string, blockNumber: number, amount: number) => {
   let batch = []
   for (let i = 0; i < amount; i++) {
     batch.push({
-      jsonrpc: "2.0",
+      jsonrpc: '2.0',
-      method: "eth_getBlockByNumber",
+      method: 'eth_getBlockByNumber',
-      params: ["0x" + (blockNumber + i).toString(16), true],
+      params: ['0x' + (blockNumber + i).toString(16), true],
-      id: blockNumber + i
+      id: blockNumber + i,
     })
   }
   return request(rpc, {
-    method: "POST",
+    method: 'POST',
     headers: {
-      "Content-Type": "application/json; charset=utf-8"
+      'Content-Type': 'application/json; charset=utf-8',
     },
-    body: JSON.stringify(batch) 
+    body: JSON.stringify(batch),
-  })
+  }).then(res => res.json())
-  .then((res) => res.json())
 }
 
 export const batchEthBlocks = async (rpc: string, blockNumbers: number[]) => {
   let batch = []
   for (let blockNum of blockNumbers) {
     batch.push({
-      jsonrpc: "2.0",
+      jsonrpc: '2.0',
-      method: "eth_getBlockByNumber",
+      method: 'eth_getBlockByNumber',
-      params: ["0x" + blockNum.toString(16), true],
+      params: ['0x' + blockNum.toString(16), true],
-      id: blockNum
+      id: blockNum,
     })
   }
 
   return request(rpc, {
-    method: "POST",
+    method: 'POST',
     headers: {
-      "Content-Type": "application/json; charset=utf-8"
+      'Content-Type': 'application/json; charset=utf-8',
     },
-    body: JSON.stringify(batch) 
+    body: JSON.stringify(batch),
-  })
+  }).then(res => res.json())
-  .then((res) => res.json())
 }
 
 export const batchEthLogs = async (rpc: string, params: any) => {
   return request(rpc, {
-    method: "POST",
+    method: 'POST',
     headers: {
-      "Content-Type": "application/json; charset=utf-8"
+      'Content-Type': 'application/json; charset=utf-8',
     },
-    body: JSON.stringify(params) 
+    body: JSON.stringify(params),
-  })
+  }).then(res => res.json())
-  .then((res) => res.json())
 }

src/controllers/task.controllers.ts

@@ -5,7 +5,6 @@ import { CheckIn } from 'models/CheckIn'
 import { NftHolder } from 'models/NftHolder'
 import { getMonthBegin, getNDayAgo } from 'utils/date.util'
 
-
 class TaskController extends BaseController {
   @role('anon')
   @router('post /task/check_in')
@@ -18,23 +17,23 @@ class TaskController extends BaseController {
     if (!limit) {
       if (typeof days === 'number') {
         let begin = getNDayAgo(days, true)
-        query.blockTime = {$gt: begin.getTime() / 1000 | 0}
+        query.blockTime = { $gt: (begin.getTime() / 1000) | 0 }
       } else if (typeof days === 'string') {
         if (days === '1month') {
           let date = getMonthBegin(new Date())
-          query.blockTime = {$gt: date.getTime() / 1000 | 0}
+          query.blockTime = { $gt: (date.getTime() / 1000) | 0 }
         } else {
           query.dateTag = days
         }
       } else if (Array.isArray(days)) {
-        query.dateTag = {$in: days}
+        query.dateTag = { $in: days }
       }
     }
     let records
     if (limit) {
-      records = await CheckIn.find(query).sort({_id: -1}).limit(limit)
+      records = await CheckIn.find(query).sort({ _id: -1 }).limit(limit)
     } else {
-      records = await CheckIn.find(query).sort({_id: -1})
+      records = await CheckIn.find(query).sort({ _id: -1 })
     }
     let result = []
     for (let record of records) {
@@ -50,7 +49,7 @@ class TaskController extends BaseController {
     if (!address) {
       throw new ZError(10, 'params mismatch')
     }
-    const record = await CheckIn.findOne({from: address.toLowerCase()}).sort({count: -1})
+    const record = await CheckIn.findOne({ from: address.toLowerCase() }).sort({ count: -1 })
     return record.toJson()
   }
 
@@ -64,7 +63,7 @@ class TaskController extends BaseController {
     address = address.toLowerCase()
     user = user.toLowerCase()
 
-    let records = await NftHolder.find({address, chain, user, burn: true }).sort({blockNumber: -1})
+    let records = await NftHolder.find({ address, chain, user, burn: true }).sort({ blockNumber: -1 })
     let result = []
     for (let record of records) {
       result.push({
@@ -74,7 +73,7 @@ class TaskController extends BaseController {
         tokenId: record.tokenId,
       })
     }
-    return result;
+    return result
   }
 }
 export default TaskController

src/events.ts

@@ -14,13 +14,12 @@ import { IEventCfg } from 'interface/IEventCfg'
 let svrs: any[] = []
 let lock = false
 
-
 async function initEventSvrs() {
-  const cfgMap: Map<IChain, IEventCfg[]> = new Map();
+  const cfgMap: Map<IChain, IEventCfg[]> = new Map()
   for (let cfg of events) {
     cfg.address = cfg.address.toLowerCase()
     cfg.abi = require(`../config/event_abis/${cfg.abi}.json`)
-    const chainCfg = AllChains.find((chain) => chain.id === cfg.chain)
+    const chainCfg = AllChains.find(chain => chain.id === cfg.chain)
     if (!chainCfg) {
       logger.error('chainCfg not found: ' + cfg.chain)
       process.exit(1)
@@ -42,12 +41,12 @@ async function parseAllEvents() {
     return
   }
   lock = true
-  logger.info('begin sync events: ' + svrs.map((svr) => svr.chainCfg.id).join(',') )
+  logger.info('begin sync events: ' + svrs.map(svr => svr.chainCfg.id).join(','))
   for (let svr of svrs) {
     try {
       await svr.execute()
     } catch (err) {
-      logger.info('sync events  error:: chain: ' + svr.chainCfg.id )
+      logger.info('sync events  error:: chain: ' + svr.chainCfg.id)
       logger.info(err)
     }
   }
@@ -63,5 +62,4 @@ async function parseAllEvents() {
     parseAllEvents()
   }, 10000)
   parseAllEvents()
-})();
+})()
-

src/interface/IEventCfg.ts

@@ -1,9 +1,9 @@
 export interface IEventCfg {
-  address: string,
+  address: string
-  event: string,
+  event: string
-  abi: any,
+  abi: any
-  fromBlock: number,
+  fromBlock: number
-  eventProcesser?: string,
+  eventProcesser?: string
-  chain: number,
+  chain: number
-  topic?: string,
+  topic?: string
 }

src/interface/IScriptionCfg.ts

@@ -10,7 +10,7 @@ export enum FilterEnum {
   like = 'like',
   nlike = 'nlike',
   isNull = 'isNull',
-  isNotNull = 'isNotNull'
+  isNotNull = 'isNotNull',
 }
 
 export enum FilterValueTypeEnum {
@@ -19,20 +19,20 @@ export enum FilterValueTypeEnum {
   boolean = 'boolean',
   utf8_data = 'utf8_data',
   hex_data = 'hex_data',
-  address = 'address'
+  address = 'address',
 }
 
 export interface IFilter {
-  key: string,
+  key: string
-  type: string,
+  type: string
-  value: string,
+  value: string
   op: FilterEnum
 }
 export interface IScriptionCfg {
-  chain: number,
+  chain: number
-  rpc?: string,
+  rpc?: string
-  fromBlock: number,
+  fromBlock: number
-  filters?: IFilter[],
+  filters?: IFilter[]
-  filter: (event: any) => boolean,
+  filter: (event: any) => boolean
-  process: (event: any) => Promise<void>,
+  process: (event: any) => Promise<void>
 }

src/models/BlockData.ts

@@ -14,11 +14,11 @@ export class BlockDataClass extends BaseModule {
   @prop()
   public chainId: number
 
-  @prop({ type: mongoose.Schema.Types.Mixed})
+  @prop({ type: mongoose.Schema.Types.Mixed })
   public data: any
 
   public static async saveBlock(event: any) {
-    return BlockData.insertOrUpdate({ hash: event.hash }, {data: event})
+    return BlockData.insertOrUpdate({ hash: event.hash }, { data: event })
   }
 }
 

src/models/CheckIn.ts

@@ -7,8 +7,8 @@ import { logger } from '@typegoose/typegoose/lib/logSettings'
 @dbconn()
 @index({ from: 1 }, { unique: false })
 @index({ hash: 1 }, { unique: true })
-@index({ from: 1, dateTag: 1}, { unique: true })
+@index({ from: 1, dateTag: 1 }, { unique: true })
-@index({ from: 1, blockTime: 1}, { unique: false })
+@index({ from: 1, blockTime: 1 }, { unique: false })
 @modelOptions({
   schemaOptions: { collection: 'check_in_event', timestamps: true },
 })
@@ -28,7 +28,7 @@ export class CheckInClass extends BaseModule {
   @prop()
   public dateTag: string
   // 连签天数
-  @prop({default: 0})
+  @prop({ default: 0 })
   public count: number
   @prop()
   public value: string
@@ -36,7 +36,7 @@ export class CheckInClass extends BaseModule {
   public input: string
 
   public static async saveEvent(event: any) {
-    const preDay = formatDate(yesterday());
+    const preDay = formatDate(yesterday())
     const preDayEvent = await CheckIn.findOne({ from: event.from, dateTag: preDay })
     if (preDayEvent) {
       event.count = preDayEvent.count + 1
@@ -53,7 +53,7 @@ export class CheckInClass extends BaseModule {
       address: this.from,
       day: this.dateTag,
       time: this.blockTime,
-        count: this.count
+      count: this.count,
     }
   }
 }

src/models/FtTransferEvent.ts

@@ -5,7 +5,7 @@ import { TokenHolder } from './TokenHolder'
 
 @dbconn()
 @index({ address: 1 }, { unique: false })
-@index({ chain: 1, hash: 1, logIndex: 1}, { unique: true })
+@index({ chain: 1, hash: 1, logIndex: 1 }, { unique: true })
 @modelOptions({
   schemaOptions: { collection: 'ft_transfer_event', timestamps: true },
 })

src/models/GeneralEvent.ts

@@ -4,7 +4,7 @@ import { BaseModule } from './Base'
 import { NftHolder } from './NftHolder'
 
 @dbconn()
-@index({ chain: 1, hash: 1, logIndex: 1}, { unique: true })
+@index({ chain: 1, hash: 1, logIndex: 1 }, { unique: true })
 @modelOptions({
   schemaOptions: { collection: 'general_event', timestamps: true },
   options: { allowMixed: Severity.ALLOW },
@@ -28,7 +28,7 @@ export class GeneralEventClass extends BaseModule {
   @prop()
   public removed: boolean
 
-  @prop({ type: mongoose.Schema.Types.Mixed})
+  @prop({ type: mongoose.Schema.Types.Mixed })
   public decodedData: any
 
   @prop()
@@ -36,7 +36,6 @@ export class GeneralEventClass extends BaseModule {
   @prop({ default: 0 })
   public version: number
 
-  
   public static async saveEvent(event: any) {
     const logIndex = parseInt(event.logIndex || '0')
     const hash = event.hash || event.transactionHash

src/models/NftHolder.ts

@@ -21,14 +21,14 @@ export class NftHolderClass extends BaseModule {
   public blockNumber: number
   @prop()
   public user: string
-  @prop({default: false})
+  @prop({ default: false })
   public burn: boolean
 
   public static async parseEvent(event: typeof GeneralEvent) {
-    const address = event.address.toLowerCase();
+    const address = event.address.toLowerCase()
-    const chain = event.chain;
+    const chain = event.chain
-    const tokenId = event.decodedData.tokenId;
+    const tokenId = event.decodedData.tokenId
-    const blockNumer = event.blockNumber;
+    const blockNumer = event.blockNumber
     const burn = event.decodedData.to === ZERO_ADDRESS
     let user = (burn ? event.decodedData.from : event.decodedData.to).toLowerCase()
     user = user.toLowerCase()
@@ -42,7 +42,7 @@ export class NftHolderClass extends BaseModule {
         record.blockNumber = blockNumer
       }
     }
-    await record.save();
+    await record.save()
   }
 }
 

src/models/NftStake.ts

@@ -4,13 +4,12 @@ import { BaseModule } from './Base'
 import logger from 'logger/logger'
 import { GeneralEvent } from './GeneralEvent'
 
-
 const STAKE_EVENT = 'Staked'
 const REDEEM_EVENT = 'Redeem'
 
 @dbconn()
 @index({ chain: 1, nft: 1, tokenId: 1, start: 1 }, { unique: true })
-@index({ chain:1, user: 1, nft: 1}, {unique: false})
+@index({ chain: 1, user: 1, nft: 1 }, { unique: false })
 @modelOptions({
   schemaOptions: { collection: 'nft_stake_info', timestamps: true },
 })
@@ -42,7 +41,6 @@ export class NftStakeClass extends BaseModule {
   @prop({ default: 0 })
   public version: number
 
-
   /**
    * 
     {
@@ -84,21 +82,22 @@ export class NftStakeClass extends BaseModule {
           blockNumber,
           status: 1,
           start,
-          stakeTime
+          stakeTime,
         })
         await record.save()
       } else {
         logger.info(`redeem nft: ${nft}, tokenId: ${tokenId}, user: ${user}, blockNumber: ${blockNumber}`)
         await NftStake.insertOrUpdate(
-          { chain, nft, tokenId, start}, 
+          { chain, nft, tokenId, start },
           {
             status: 2,
             address,
             user,
-            redeemTime: Date.now() / 1000 | 0,
+            redeemTime: (Date.now() / 1000) | 0,
             blockNumber,
             $inc: { version: 1 },
-          })
+          },
+        )
       }
     }
   }

src/models/NftTransferEvent.ts

@@ -6,7 +6,7 @@ import { NftHolder } from './NftHolder'
 @dbconn()
 @index({ chain: 1, address: 1, tokenId: 1 }, { unique: false })
 @index({ chain: 1, address: 1, from: 1, to: 1 }, { unique: false })
-@index({ chain: 1, hash: 1, logIndex: 1}, { unique: true })
+@index({ chain: 1, hash: 1, logIndex: 1 }, { unique: true })
 @modelOptions({
   schemaOptions: { collection: 'nft_transfer_event', timestamps: true },
 })

src/models/TokenHolder.ts

@@ -10,7 +10,6 @@ import { ZERO_ADDRESS } from 'common/Constants'
   schemaOptions: { collection: 'token_holder', timestamps: true },
 })
 export class TokenHolderClass extends BaseModule {
-  
   @prop({ required: true })
   public chain: string
 
@@ -26,11 +25,10 @@ export class TokenHolderClass extends BaseModule {
   @prop()
   public blockNumber: number
 
-
   public static async parseEvent(event: typeof GeneralEvent) {
-    const address = event.address.toLowerCase();
+    const address = event.address.toLowerCase()
-    const chain = event.chain;
+    const chain = event.chain
-    const blockNumber = event.blockNumber;
+    const blockNumber = event.blockNumber
     let { from, to, value } = event.decodedData
     from = from.toLowerCase()
     to = to.toLowerCase()
@@ -40,7 +38,7 @@ export class TokenHolderClass extends BaseModule {
         record.amount = BigInt(record.amount) - BigInt(value)
         record.blockNumber = blockNumber
       }
-      await record.save();
+      await record.save()
     }
     if (to !== ZERO_ADDRESS) {
       let record = await TokenHolder.findOne({ address, chain, user: to })
@@ -50,7 +48,7 @@ export class TokenHolderClass extends BaseModule {
         record.amount = BigInt(record.amount) + BigInt(value)
         record.blockNumber = blockNumber
       }
-      await record.save();
+      await record.save()
     }
   }
 }

src/monitor.ts

@@ -17,7 +17,7 @@ let eventProcessers = {
   FtTransferEvent: FtTransferEvent,
 }
 
-const events = require('config/events.json')
+const events = require('../config/events.json')
 
 async function initEventSvrs() {
   for (let event of events) {

src/scriptions.ts

@@ -20,7 +20,7 @@ let eventProcessers = {
 }
 
 async function initEventSvrs() {
-  const cfgMap: Map<IChain, IScriptionCfg[]> = new Map();
+  const cfgMap: Map<IChain, IScriptionCfg[]> = new Map()
   for (let cfg of scriptions) {
     if (!cfg.filter && cfg.filters) {
       cfg.filter = buildScriptionFilters(cfg)
@@ -33,7 +33,7 @@ async function initEventSvrs() {
       }
       await processer.saveEvent(event)
     }
-    const chainCfg = AllChains.find((chain) => chain.id === cfg.chain)
+    const chainCfg = AllChains.find(chain => chain.id === cfg.chain)
     if (!chainCfg) {
       logger.error('chainCfg not found: ' + cfg.chain)
       process.exit(1)
@@ -55,12 +55,12 @@ async function parseAllEvents() {
     return
   }
   lock = true
-  logger.info('begin sync block: ' + svrs.map((svr) => svr.chainCfg.id).join(','))
+  logger.info('begin sync block: ' + svrs.map(svr => svr.chainCfg.id).join(','))
   for (let svr of svrs) {
     try {
       await svr.execute()
     } catch (err) {
-      logger.info('sync block with error:: chain: ' + svr.chainCfg.id )
+      logger.info('sync block with error:: chain: ' + svr.chainCfg.id)
       logger.info(err)
     }
   }
@@ -76,5 +76,4 @@ async function parseAllEvents() {
     parseAllEvents()
   }, 20000)
   parseAllEvents()
-})();
+})()
-

src/service/block.sync.service.ts

@@ -1,11 +1,10 @@
-import { IChain } from "chain/allchain";
+import { IChain } from 'chain/allchain'
-import { retryEthBlockNumber } from "chain/chain.api";
+import { retryEthBlockNumber } from 'chain/chain.api'
-import { IScriptionCfg } from "interface/IScriptionCfg";
+import { IScriptionCfg } from 'interface/IScriptionCfg'
-import logger from "logger/logger";
+import logger from 'logger/logger'
-import { RedisClient } from "redis/RedisClient";
+import { RedisClient } from 'redis/RedisClient'
-import { getPastBlocksIter } from "utils/block.util";
+import { getPastBlocksIter } from 'utils/block.util'
-import { formatDate } from "utils/date.util";
+import { formatDate } from 'utils/date.util'
-
 
 export class BlockSyncSvr {
   chainCfg: IChain
@@ -13,9 +12,9 @@ export class BlockSyncSvr {
   fromBlock: number = Number.MAX_SAFE_INTEGER
   batchCount: number = 0
   redisKey = ''
-  rpc = '';
+  rpc = ''
   constructor(_chainCfg: IChain, _scriptionCfgs: IScriptionCfg[]) {
-    this.chainCfg =_chainCfg
+    this.chainCfg = _chainCfg
     this.scriptionCfgs = _scriptionCfgs
     this.rpc = _chainCfg.rpc.split('|')[0]
     for (let cfg of _scriptionCfgs) {
@@ -41,7 +40,7 @@ export class BlockSyncSvr {
       chainId: this.chainCfg.id,
       rpc: this.rpc,
       fromBlock: this.fromBlock,
-        amount: this.batchCount
+      amount: this.batchCount,
     })
     await this.processBlockDatas(blocks)
   }
@@ -57,15 +56,15 @@ export class BlockSyncSvr {
           continue
         }
         for (let i = 0; i < block.transactions.length; i++) {
-          const tx = block.transactions[i];
+          const tx = block.transactions[i]
           if (block.timestamp) {
-            tx.blockTime = parseInt(block.timestamp, 16);
+            tx.blockTime = parseInt(block.timestamp, 16)
-            tx.dateTag = formatDate(new Date(tx.blockTime * 1000));
+            tx.dateTag = formatDate(new Date(tx.blockTime * 1000))
           }
           for (let j = 0; j < this.scriptionCfgs.length; j++) {
-            const cfg = this.scriptionCfgs[j];
+            const cfg = this.scriptionCfgs[j]
 
-            if (cfg.filter && cfg.filter(tx) ) {
+            if (cfg.filter && cfg.filter(tx)) {
               try {
                 await cfg.process(tx)
               } catch (err) {

src/service/event.batch.service.ts

@@ -1,20 +1,20 @@
-import { IChain } from "chain/allchain";
+import { IChain } from 'chain/allchain'
-import { batchEthLogs, ethGetLogs, retryEthBlockNumber } from "chain/chain.api";
+import { batchEthLogs, ethGetLogs, retryEthBlockNumber } from 'chain/chain.api'
-import logger from "logger/logger";
+import logger from 'logger/logger'
-import { GeneralEvent } from "models/GeneralEvent";
+import { GeneralEvent } from 'models/GeneralEvent'
 
-import { RedisClient } from "redis/RedisClient";
+import { RedisClient } from 'redis/RedisClient'
-import { decodeEvent, getTopics } from "utils/event.util";
+import { decodeEvent, getTopics } from 'utils/event.util'
 
 import { NftHolder } from 'models/NftHolder'
 import { TokenHolder } from 'models/TokenHolder'
 import { NftStake } from 'models/NftStake'
-import { IEventCfg } from "interface/IEventCfg";
+import { IEventCfg } from 'interface/IEventCfg'
 
 let eventProcessers = {
   NftHolder: NftHolder,
   TokenHolder: TokenHolder,
-  NftStake: NftStake
+  NftStake: NftStake,
 }
 
 export class EventBatchSvr {
@@ -23,9 +23,9 @@ export class EventBatchSvr {
   processer: Map<string, IEventCfg> = new Map()
   fromBlock: number = Number.MAX_SAFE_INTEGER
   redisKey = ''
-  rpc = '';
+  rpc = ''
   constructor(_chainCfg: IChain, _eventCfgs: IEventCfg[]) {
-    this.chainCfg =_chainCfg
+    this.chainCfg = _chainCfg
     this.eventCfgs = _eventCfgs
     this.rpc = _chainCfg.rpc.split('|')[0]
     for (let cfg of this.eventCfgs) {
@@ -33,14 +33,13 @@ export class EventBatchSvr {
       if (!cfg.topic) {
         cfg.topic = getTopics(cfg)
       }
-      this.processer.set((cfg.address+cfg.topic).toLowerCase(), cfg)
+      this.processer.set((cfg.address + cfg.topic).toLowerCase(), cfg)
     }
     this.eventCfgs.sort((a, b) => a.topic.localeCompare(b.topic))
     this.redisKey = `event_${this.chainCfg.id}`
   }
 
   async execute() {
-    
     let currentBlock = await retryEthBlockNumber(this.rpc)
     let toBlock = parseInt(currentBlock.result, 16)
     let blockStr = await new RedisClient().get(this.redisKey)
@@ -52,7 +51,7 @@ export class EventBatchSvr {
     let uninParams = []
     let topicsSet = new Set()
     for (let cfg of this.eventCfgs) {
-        await this.fixBlockNumber(cfg);
+      await this.fixBlockNumber(cfg)
       if (cfg.fromBlock != this.fromBlock) {
         let _param = this.buildQueryParams(cfg, toBlock)
         params.push(_param)
@@ -102,7 +101,7 @@ export class EventBatchSvr {
         await this.processEvents(events)
       }
     }
-      nextBlock = toBlock + 1;
+    nextBlock = toBlock + 1
     for (let cfg of this.eventCfgs) {
       cfg.fromBlock = nextBlock
       const redisKey = this.buildRedisKey(cfg)
@@ -127,14 +126,14 @@ export class EventBatchSvr {
     const params: any = {
       fromBlock: '0x' + cfg.fromBlock.toString(16),
       toBlock: toBlock ? '0x' + toBlock?.toString(16) : 'latest',
-      address: [cfg.address]
+      address: [cfg.address],
     }
     params.topics = [cfg.topic]
     const result = {
-      jsonrpc: "2.0",
+      jsonrpc: '2.0',
-      method: "eth_getLogs",
+      method: 'eth_getLogs',
       params: [params],
-      id: `${cfg.address}_${cfg.event}`
+      id: `${cfg.address}_${cfg.event}`,
     }
     return result
   }
@@ -148,13 +147,13 @@ export class EventBatchSvr {
     for (const event of events) {
       const address = events[0].address
       const topic = events[0].topics[0]
-      const cfg = this.processer.get((address+topic).toLowerCase())
+      const cfg = this.processer.get((address + topic).toLowerCase())
       if (!cfg) {
-        continue;
+        continue
       }
       event.chain = this.chainCfg.id + ''
       event.event = cfg.event
-      let result = decodeEvent(cfg, event);
+      let result = decodeEvent(cfg, event)
       // cfg.fromBlock = Math.max (parseInt(event.blockNumber, 16) + 1, cfg.fromBlock)
       event.decodedData = result
       const record = await GeneralEvent.saveEvent(event)

src/utils/block.util.ts

@@ -1,27 +1,50 @@
-import { batchEthBlocks } from "chain/chain.api";
+import { batchEthBlocks } from 'chain/chain.api'
-import { IScriptionCfg } from "interface/IScriptionCfg";
+import { IScriptionCfg } from 'interface/IScriptionCfg'
-import logger from "logger/logger";
+import logger from 'logger/logger'
-import { RedisClient } from "redis/RedisClient";
+import { RedisClient } from 'redis/RedisClient'
-import { utf8ToHex } from "./string.util";
+import { utf8ToHex } from './string.util'
 
 const MAX_BATCH_AMOUNT = +process.env.MAX_BLOCK_BATCH_AMOUNT
 const REQUEST_INTERVAL = 0.5 * 1000
 
-export async function divQueryPassBlocks({chainId, rpc, fromBlock, amount}
+export async function divQueryPassBlocks({
-  : {chainId: number, rpc: string, fromBlock: number, amount: number}) {
+  chainId,
+  rpc,
+  fromBlock,
+  amount,
+}: {
+  chainId: number
+  rpc: string
+  fromBlock: number
+  amount: number
+}) {
   const middleBlock = fromBlock + Math.floor(amount / 2)
-  const firstBlocks = await getPastBlocks({chainId, rpc, fromBlock, amount: middleBlock - fromBlock})
+  const firstBlocks = await getPastBlocks({ chainId, rpc, fromBlock, amount: middleBlock - fromBlock })
-  const secondBlocks = await getPastBlocks({chainId, rpc, fromBlock: middleBlock, amount: amount - (middleBlock - fromBlock)})
+  const secondBlocks = await getPastBlocks({
+    chainId,
+    rpc,
+    fromBlock: middleBlock,
+    amount: amount - (middleBlock - fromBlock),
+  })
   return [...firstBlocks, ...secondBlocks]
 }
 
-export async function getPastBlocks({chainId, rpc, fromBlock, amount}
+export async function getPastBlocks({
-  : {chainId: number, rpc: string, fromBlock: number, amount: number}) {
+  chainId,
+  rpc,
+  fromBlock,
+  amount,
+}: {
+  chainId: number
+  rpc: string
+  fromBlock: number
+  amount: number
+}) {
   let blocks = []
   logger.info(`chain: ${chainId} from: ${fromBlock} amount: ${amount}`)
   let blockNumber = fromBlock
   const redisKey = `blocknum_${chainId}`
-  let retryCount = 0;
+  let retryCount = 0
   const parseBlocksAndRetry = async (blockNums: number[]) => {
     let records = await batchEthBlocks(rpc, blockNums)
     if (records.error) {
@@ -31,7 +54,7 @@ export async function getPastBlocks({chainId, rpc, fromBlock, amount}
     let retryNums: number[] = []
     let maxBlockNumber = 0
     for (let i = 0; i < records.length; i++) {
-      const block = records[i].result;
+      const block = records[i].result
       if (block?.hash) {
         blocks.push(block)
         realAmount++
@@ -40,21 +63,20 @@ export async function getPastBlocks({chainId, rpc, fromBlock, amount}
         if (block) {
           logger.warn(`block ${blockNumber + i}: ${block}`)
         } else {
-          logger.warn(`block ${blockNumber + i} is null`)
           retryNums.push(blockNumber + i)
         }
       }
     }
-    if (retryNums.length > 0 && ++retryCount < 3) {
+    if (retryNums.length > 0 && ++retryCount < 5) {
-      logger.info(`${retryCount} retry ${retryNums.length} blocks`)
+      logger.info(`${retryCount} retry: ${retryNums.join(', ')}`)
       const retryBlocks = await parseBlocksAndRetry(retryNums)
       realAmount += retryBlocks
     }
     return realAmount
   }
   try {
-    const numsArr = Array.from({length: amount}, (v, k) => k + blockNumber)
+    const numsArr = Array.from({ length: amount }, (v, k) => k + blockNumber)
-    const realAmount = await parseBlocksAndRetry(numsArr)
+    await parseBlocksAndRetry(numsArr)
     if (retryCount > 0) {
       blocks.sort((a, b) => parseInt(a.number) - parseInt(b.number))
     }
@@ -63,31 +85,39 @@ export async function getPastBlocks({chainId, rpc, fromBlock, amount}
   } catch (e) {
     logger.log(e.message || e)
     if (e.message && /Too Many Requests/.test(e.message) && amount > 1) {
-      blocks = await divQueryPassBlocks({chainId, rpc, fromBlock, amount})
+      blocks = await divQueryPassBlocks({ chainId, rpc, fromBlock, amount })
     } else if (e.message && /Public RPC Rate Limit Hit, limit will reset in \d+ seconds/.test(e.message)) {
       const match = e.message.match(/Public RPC Rate Limit Hit, limit will reset in (\d+) seconds/)
       const seconds = parseInt(match[1])
       await new Promise(resolve => setTimeout(resolve, seconds * 1000))
-      blocks = await getPastBlocks({chainId, rpc, fromBlock, amount})
+      blocks = await getPastBlocks({ chainId, rpc, fromBlock, amount })
-    }else {
+    } else {
       throw e
     }
   }
   return blocks
 }
 
-export function* getPastBlocksIter({chainId, rpc, fromBlock, amount}
+export function* getPastBlocksIter({
-  : {chainId: number, rpc: string, fromBlock: number, amount: number}) {
+  chainId,
+  rpc,
+  fromBlock,
+  amount,
+}: {
+  chainId: number
+  rpc: string
+  fromBlock: number
+  amount: number
+}) {
   logger.info(`chain: ${chainId} from: ${fromBlock} amount: ${amount}`)
   let remain = amount
   while (remain > 0) {
-    yield getPastBlocks({chainId, rpc, fromBlock, amount: Math.min(MAX_BATCH_AMOUNT, remain)})
+    yield getPastBlocks({ chainId, rpc, fromBlock, amount: Math.min(MAX_BATCH_AMOUNT, remain) })
     fromBlock += MAX_BATCH_AMOUNT
     remain -= MAX_BATCH_AMOUNT
   }
 }
 
-
 export const buildScriptionFilters = (cfg: IScriptionCfg) => {
   if (cfg.filter) {
     return cfg.filter
@@ -144,7 +174,7 @@ export const buildScriptionFilters = (cfg: IScriptionCfg) => {
       } else if (filter.type === 'utf8_data') {
         value = `'0x${utf8ToHex(value)}'`
       } else if (filter.type === 'hex_data') {
-        value = `'${value.indexOf('0x') === 0 ? value : '0x'+value}'`
+        value = `'${value.indexOf('0x') === 0 ? value : '0x' + value}'`
       } else if (filter.type === 'number') {
         value = parseInt(value)
       } else if (filter.type === 'boolean') {

src/utils/date.util.ts

@@ -1,39 +1,39 @@
 // format the date to the format we want
 export const formatDate = (date: Date): string => {
-  const year = date.getFullYear();
+  const year = date.getFullYear()
-  const month = (date.getMonth() + 1 + '').padStart(2, '0');
+  const month = (date.getMonth() + 1 + '').padStart(2, '0')
-  const day = (date.getDate() + '').padStart(2, '0');
+  const day = (date.getDate() + '').padStart(2, '0')
-  return `${year}${month}${day}`;
+  return `${year}${month}${day}`
-};
+}
 
 // get begin of one day
 export const getDayBegin = (date: Date): Date => {
-  const year = date.getFullYear();
+  const year = date.getFullYear()
-  const month = date.getMonth();
+  const month = date.getMonth()
-  const day = date.getDate();
+  const day = date.getDate()
-  return new Date(year, month, day);
+  return new Date(year, month, day)
-};
+}
 
 // get begin of n day ago
 export const getNDayAgo = (n: number, begin: boolean): Date => {
   const date = new Date(Date.now() - n * 24 * 60 * 60 * 1000)
   if (begin) {
-    return getDayBegin(date);
+    return getDayBegin(date)
   } else {
-    return date;
+    return date
   }
-};
+}
 
 // get begin of this month
 export const getMonthBegin = (date: Date): Date => {
-  const year = date.getFullYear();
+  const year = date.getFullYear()
-  const month = date.getMonth();
+  const month = date.getMonth()
-  return new Date(year, month, 1);
+  return new Date(year, month, 1)
 }
 
 // get formated datestring of yesterday
 export const yesterday = () => {
-  const date = new Date();
+  const date = new Date()
-  date.setDate(date.getDate() - 1);
+  date.setDate(date.getDate() - 1)
-  return date;
+  return date
-};
+}

src/utils/event.util.ts

@@ -1,8 +1,7 @@
-
 //@ts-ignore
-import { keccak256, _jsonInterfaceMethodToString, AbiInput } from "web3-utils";
+import { keccak256, _jsonInterfaceMethodToString, AbiInput } from 'web3-utils'
-import web3abi from 'web3-eth-abi';
+import web3abi from 'web3-eth-abi'
-import { IEventCfg } from "interface/IEventCfg";
+import { IEventCfg } from 'interface/IEventCfg'
 
 export const getTopics = (cfg: IEventCfg) => {
   // let abi = cfg.abi
@@ -15,18 +14,18 @@ export const getTopics = (cfg: IEventCfg) => {
   return keccak256(_jsonInterfaceMethodToString(cfg.abi))
 }
 
-export const decodeEvent = (cfg: IEventCfg, eventData: {data: string, topics: string[]}) => {
+export const decodeEvent = (cfg: IEventCfg, eventData: { data: string; topics: string[] }) => {
-  const abiInputs = cfg.abi.inputs;
+  const abiInputs = cfg.abi.inputs
-  let result = web3abi.decodeLog(abiInputs, eventData.data, eventData.topics.slice(1));
+  let result = web3abi.decodeLog(abiInputs, eventData.data, eventData.topics.slice(1))
   let decodedData: any = {}
   for (let i = 0; i < abiInputs.length; i++) {
-    const input: AbiInput = abiInputs[i];
+    const input: AbiInput = abiInputs[i]
     if (input.type === 'tuple[]') {
       // @ts-ignore
       decodedData[input.name] = result[i].map(item => {
         let itemData = {}
         for (let j = 0; j < input.components.length; j++) {
-          const component = input.components[j];
+          const component = input.components[j]
           itemData[component.name] = item[j]
         }
         return itemData
@@ -34,7 +33,7 @@ export const decodeEvent = (cfg: IEventCfg, eventData: {data: string, topics: st
     } else if (input.type === 'tuple') {
       let itemData = {}
       for (let j = 0; j < input.components.length; j++) {
-        const component = input.components[j];
+        const component = input.components[j]
         itemData[component.name] = result[i][j]
       }
       decodedData[input.name] = itemData

src/utils/number.util.ts

@@ -1,5 +1,5 @@
-import Web3 from 'web3';
+import Web3 from 'web3'
-import { BN } from 'ethereumjs-util';
+import { BN } from 'ethereumjs-util'
 
 /**
  * Converts some token minimal unit to render format string, showing 5 decimals
@@ -10,23 +10,17 @@ import { BN } from 'ethereumjs-util';
  * @returns {String} - Number of token minimal unit, in render format
  * If value is less than 5 precision decimals will show '< 0.00001'
  */
-export function renderFromTokenMinimalUnit(
+export function renderFromTokenMinimalUnit(tokenValue, decimals, decimalsToShow = 5) {
-  tokenValue,
+  const minimalUnit = fromTokenMinimalUnit(tokenValue || 0, decimals)
-  decimals,
+  const minimalUnitNumber = parseFloat(minimalUnit)
-  decimalsToShow = 5
+  let renderMinimalUnit
-) {
-  const minimalUnit = fromTokenMinimalUnit(tokenValue || 0, decimals);
-  const minimalUnitNumber = parseFloat(minimalUnit);
-  let renderMinimalUnit;
   if (minimalUnitNumber < 0.00001 && minimalUnitNumber > 0) {
-    renderMinimalUnit = "< 0.00001";
+    renderMinimalUnit = '< 0.00001'
   } else {
-    const base = Math.pow(10, decimalsToShow);
+    const base = Math.pow(10, decimalsToShow)
-    renderMinimalUnit = (
+    renderMinimalUnit = (Math.round(minimalUnitNumber * base) / base).toString()
-      Math.round(minimalUnitNumber * base) / base
-    ).toString();
   }
-  return renderMinimalUnit;
+  return renderMinimalUnit
 }
 /**
  * Converts token minimal unit to readable string value
@@ -36,25 +30,25 @@ export function renderFromTokenMinimalUnit(
  * @returns {string} - String containing the new number
  */
 export function fromTokenMinimalUnit(minimalInput, decimals) {
-  minimalInput = addHexPrefix(Number(minimalInput).toString(16));
+  minimalInput = addHexPrefix(Number(minimalInput).toString(16))
-  let minimal = safeNumberToBN(minimalInput);
+  let minimal = safeNumberToBN(minimalInput)
-  const negative = minimal.lt(new BN(0));
+  const negative = minimal.lt(new BN(0))
-  const base = Web3.utils.toBN(Math.pow(10, decimals).toString());
+  const base = Web3.utils.toBN(Math.pow(10, decimals).toString())
 
   if (negative) {
-    minimal = minimal.mul(new BN(-1));
+    minimal = minimal.mul(new BN(-1))
   }
-  let fraction = minimal.mod(base).toString(10);
+  let fraction = minimal.mod(base).toString(10)
   while (fraction.length < decimals) {
-    fraction = "0" + fraction;
+    fraction = '0' + fraction
   }
-  fraction = fraction.match(/^([0-9]*[1-9]|0)(0*)/)[1];
+  fraction = fraction.match(/^([0-9]*[1-9]|0)(0*)/)[1]
-  const whole = minimal.div(base).toString(10);
+  const whole = minimal.div(base).toString(10)
-  let value = "" + whole + (fraction === "0" ? "" : "." + fraction);
+  let value = '' + whole + (fraction === '0' ? '' : '.' + fraction)
   if (negative) {
-    value = "-" + value;
+    value = '-' + value
   }
-  return value;
+  return value
 }
 
 /**
@@ -65,20 +59,20 @@ export function fromTokenMinimalUnit(minimalInput, decimals) {
  * @returns {String} - Number of token minimal unit, in render format
  * If value is less than 5 precision decimals will show '< 0.00001'
  */
- export function renderFromWei(value, decimalsToShow = 5) {
+export function renderFromWei(value, decimalsToShow = 5) {
-  let renderWei = '0';
+  let renderWei = '0'
   // avoid undefined
   if (value) {
-    const wei = Web3.utils.fromWei(value);
+    const wei = Web3.utils.fromWei(value)
-    const weiNumber = parseFloat(wei);
+    const weiNumber = parseFloat(wei)
     if (weiNumber < 0.00001 && weiNumber > 0) {
-      renderWei = '< 0.00001';
+      renderWei = '< 0.00001'
     } else {
-      const base = Math.pow(10, decimalsToShow);
+      const base = Math.pow(10, decimalsToShow)
-      renderWei = (Math.round(weiNumber * base) / base).toString();
+      renderWei = (Math.round(weiNumber * base) / base).toString()
     }
   }
-  return renderWei;
+  return renderWei
 }
 
 /**
@@ -89,7 +83,7 @@ export function fromTokenMinimalUnit(minimalInput, decimals) {
  * @returns {string} - String of the hex token value
  */
 export function calcTokenValueToSend(value, decimals) {
-  return value ? (value * Math.pow(10, decimals)).toString(16) : 0;
+  return value ? (value * Math.pow(10, decimals)).toString(16) : 0
 }
 
 /**
@@ -99,11 +93,7 @@ export function calcTokenValueToSend(value, decimals) {
  * @returns {boolean} - True if the string is a valid decimal
  */
 export function isDecimal(value) {
-  return (
+  return Number.isFinite(parseFloat(value)) && !Number.isNaN(parseFloat(value)) && !isNaN(+value)
-    Number.isFinite(parseFloat(value)) &&
-    !Number.isNaN(parseFloat(value)) &&
-    !isNaN(+value)
-  );
 }
 
 /**
@@ -113,7 +103,7 @@ export function isDecimal(value) {
  * @returns {Object} - BN instance
  */
 export function toBN(value) {
-  return Web3.utils.toBN(value);
+  return Web3.utils.toBN(value)
 }
 
 /**
@@ -123,20 +113,20 @@ export function toBN(value) {
  * @returns {string} The prefixed string.
  */
 export const addHexPrefix = (str: string) => {
-  if (typeof str !== "string" || str.match(/^-?0x/u)) {
+  if (typeof str !== 'string' || str.match(/^-?0x/u)) {
-    return str;
+    return str
   }
 
   if (str.match(/^-?0X/u)) {
-    return str.replace("0X", "0x");
+    return str.replace('0X', '0x')
   }
 
-  if (str.startsWith("-")) {
+  if (str.startsWith('-')) {
-    return str.replace("-", "-0x");
+    return str.replace('-', '-0x')
   }
 
-  return `0x${str}`;
+  return `0x${str}`
-};
+}
 
 /**
  * Wraps 'numberToBN' method to avoid potential undefined and decimal values
@@ -145,8 +135,8 @@ export const addHexPrefix = (str: string) => {
  * @returns {Object} - The converted value as BN instance
  */
 export function safeNumberToBN(value: number | string) {
-  const safeValue = fastSplit(value.toString()) || "0";
+  const safeValue = fastSplit(value.toString()) || '0'
-  return numberToBN(safeValue);
+  return numberToBN(safeValue)
 }
 
 /**
@@ -157,60 +147,52 @@ export function safeNumberToBN(value: number | string) {
  * @returns {string} - the selected splitted element
  */
 
-export function fastSplit(value, divider = ".") {
+export function fastSplit(value, divider = '.') {
-  value += "";
+  value += ''
-  const [from, to] = [value.indexOf(divider), 0];
+  const [from, to] = [value.indexOf(divider), 0]
-  return value.substring(from, to) || value;
+  return value.substring(from, to) || value
 }
 
 export function stripHexPrefix(str: string) {
-  if (typeof str !== "string") {
+  if (typeof str !== 'string') {
-    return str;
+    return str
   }
 
-  return str.slice(0, 2) === "0x" ? str.slice(2) : str;
+  return str.slice(0, 2) === '0x' ? str.slice(2) : str
 }
 
 export function numberToBN(arg) {
-  if (typeof arg === "string" || typeof arg === "number") {
+  if (typeof arg === 'string' || typeof arg === 'number') {
     var multiplier = Web3.utils.toBN(1); // eslint-disable-line
-    var formattedString = String(arg).toLowerCase().trim();
+    var formattedString = String(arg).toLowerCase().trim()
-    var isHexPrefixed =
+    var isHexPrefixed = formattedString.substr(0, 2) === '0x' || formattedString.substr(0, 3) === '-0x'
-      formattedString.substr(0, 2) === "0x" ||
-      formattedString.substr(0, 3) === "-0x";
     var stringArg = stripHexPrefix(formattedString); // eslint-disable-line
-    if (stringArg.substr(0, 1) === "-") {
+    if (stringArg.substr(0, 1) === '-') {
-      stringArg = stripHexPrefix(stringArg.slice(1));
+      stringArg = stripHexPrefix(stringArg.slice(1))
-      multiplier = Web3.utils.toBN(-1);
+      multiplier = Web3.utils.toBN(-1)
     }
-    stringArg = stringArg === "" ? "0" : stringArg;
+    stringArg = stringArg === '' ? '0' : stringArg
 
     if (
       (!stringArg.match(/^-?[0-9]+$/) && stringArg.match(/^[0-9A-Fa-f]+$/)) ||
       stringArg.match(/^[a-fA-F]+$/) ||
       (isHexPrefixed === true && stringArg.match(/^[0-9A-Fa-f]+$/))
     ) {
-      return Web3.utils.toBN(stringArg).mul(multiplier);
+      return Web3.utils.toBN(stringArg).mul(multiplier)
     }
 
-    if (
+    if ((stringArg.match(/^-?[0-9]+$/) || stringArg === '') && isHexPrefixed === false) {
-      (stringArg.match(/^-?[0-9]+$/) || stringArg === "") &&
+      return Web3.utils.toBN(stringArg).mul(multiplier)
-      isHexPrefixed === false
-    ) {
-      return Web3.utils.toBN(stringArg).mul(multiplier);
     }
-  } else if (typeof arg === "object" && arg.toString && !arg.pop && !arg.push) {
+  } else if (typeof arg === 'object' && arg.toString && !arg.pop && !arg.push) {
-    if (
+    if (arg.toString(10).match(/^-?[0-9]+$/) && (arg.mul || arg.dividedToIntegerBy)) {
-      arg.toString(10).match(/^-?[0-9]+$/) &&
+      return Web3.utils.toBN(arg.toString(10))
-      (arg.mul || arg.dividedToIntegerBy)
-    ) {
-      return Web3.utils.toBN(arg.toString(10));
     }
   }
 
   throw new Error(
-    "[number-to-bn] while converting number " +
+    '[number-to-bn] while converting number ' +
       JSON.stringify(arg) +
-      " to BN.js instance, error: invalid number value. Value must be an integer, hex string, BN or BigNumber instance. Note, decimals are not supported."
+      ' to BN.js instance, error: invalid number value. Value must be an integer, hex string, BN or BigNumber instance. Note, decimals are not supported.',
-  );
+  )
 }

src/utils/string.util.ts

@@ -107,18 +107,17 @@ export function string62to10(numberCode: string) {
 
 export function hexToUtf8(hexString) {
   // Remove any leading "0x" prefix and split into pairs of characters
-  let _hexString = hexString.replace(/^0x/, "");
+  let _hexString = hexString.replace(/^0x/, '')
   let buffer = Buffer.from(_hexString, 'hex')
   return buffer.toString('utf8')
 }
 
 export function utf8ToHex(utf8String) {
   // Create a Buffer object from the UTF-8 string
-  const buffer = Buffer.from(utf8String, "utf8");
+  const buffer = Buffer.from(utf8String, 'utf8')
 
   // Convert the Buffer object to a hex string
-  const hexString = buffer.toString("hex");
+  const hexString = buffer.toString('hex')
 
-  return hexString;
+  return hexString
 }
-