stratum service should be singleton

src/app.module.ts

@@ -17,6 +17,7 @@ import { BitcoinRpcService } from './services/bitcoin-rpc.service';
 import { CleanupService } from './services/cleanup.service';
 import { DiscordService } from './services/discord.service';
 import { NotificationService } from './services/notification.service';
+import { StratumV1JobsService } from './services/stratum-v1-jobs.service';
 import { StratumV1Service } from './services/stratum-v1.service';
 import { TelegramService } from './services/telegram.service';
 
@@ -56,7 +57,8 @@ const ORMModules = [
         TelegramService,
         BitcoinRpcService,
         NotificationService,
-        BitcoinAddressValidator
+        BitcoinAddressValidator,
+        StratumV1JobsService
     ],
 })
 export class AppModule {

src/services/stratum-v1-jobs.service.ts

@@ -1,3 +1,4 @@
+import { Injectable } from '@nestjs/common';
 import * as bitcoinjs from 'bitcoinjs-lib';
 import * as merkle from 'merkle-lib';
 import * as merkleProof from 'merkle-lib/proof';
@@ -20,6 +21,7 @@ export interface IJobTemplate {
     };
 }
 
+@Injectable()
 export class StratumV1JobsService {
 
     private lastIntervalCount: number;

src/services/stratum-v1.service.ts

@@ -15,14 +15,17 @@ import { StratumV1JobsService } from './stratum-v1-jobs.service';
 @Injectable()
 export class StratumV1Service implements OnModuleInit {
 
+  private
   constructor(
     private readonly bitcoinRpcService: BitcoinRpcService,
     private readonly clientService: ClientService,
     private readonly clientStatisticsService: ClientStatisticsService,
     private readonly notificationService: NotificationService,
     private readonly blocksService: BlocksService,
-    private readonly configService: ConfigService
+    private readonly configService: ConfigService,
+    private readonly stratumV1JobsService: StratumV1JobsService
   ) {
+
   }
 
 
@@ -41,7 +44,7 @@ export class StratumV1Service implements OnModuleInit {
 
       const client = new StratumV1Client(
         promiseSocket,
-        new StratumV1JobsService(this.bitcoinRpcService),
+        this.stratumV1JobsService,
         this.bitcoinRpcService,
         this.clientService,
         this.clientStatisticsService,