removed NODE_APP_INSTANCE 0 dependency

ecosystem.config.js

@@ -0,0 +1,22 @@
+module.exports = {
+    apps: [
+      // Master instance
+      {
+        name: 'master',
+        script: './dist/main.js',
+        instances: 1,
+        env: {
+          MASTER: 'true',
+        },
+      },
+      // Worker instances
+      {
+        name: 'workers',
+        script: './dist/main.js',
+        instances: 31,
+        env: {
+          MASTER: 'false',
+        },
+      },
+    ],
+  };

src/ORM/rpc-block/rpc-block.entity.ts

@@ -6,9 +6,6 @@ export class RpcBlockEntity {
     @PrimaryColumn()
     blockHeight: number;
 
-    @Column({ nullable: true })
-    lockedBy?: string;
-
     @Column({ nullable: true })
     data?: string;
 }

src/ORM/rpc-block/rpc-block.service.ts

@@ -18,10 +18,6 @@ export class RpcBlockService {
         });
     }
 
-    public lockBlock(blockHeight: number, process: string) {
-        return this.rpcBlockRepository.save({ blockHeight, data: null, lockedBy: process });
-    }
-
     public saveBlock(blockHeight: number, data: string) {
         return this.rpcBlockRepository.update(blockHeight, { data })
     }

src/services/app.service.ts

@@ -22,7 +22,7 @@ export class AppService implements OnModuleInit {
     }
 
     async onModuleInit() {
-        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
+        if (process.env.MASTER == 'true') {
 
             setInterval(async () => {
                 await this.deleteOldStatistics();

src/services/bitcoin-rpc.service.ts

@@ -99,21 +99,11 @@ export class BitcoinRpcService implements OnModuleInit {
             const completeBlock = block?.data != null;
 
             // If the block has already been loaded, and the same instance is fetching the template again, we just need to refresh it.
-            if (completeBlock && block.lockedBy == process.env.NODE_APP_INSTANCE) {
+            if (completeBlock && process.env.MASTER == 'true') {
                 result = await this.loadBlockTemplate(blockHeight);
             }
             else if (completeBlock) {
                 return Promise.resolve(JSON.parse(block.data));
-            } else if (!completeBlock) {
-                if (process.env.NODE_APP_INSTANCE != null) {
-                    // There is a unique constraint on the block height so if another process tries to lock, it'll throw
-                    try {
-                        await this.rpcBlockService.lockBlock(blockHeight, process.env.NODE_APP_INSTANCE);
-                    } catch (e) {
-                        result = await this.waitForBlock(blockHeight);
-                    }
-                }
-                result = await this.loadBlockTemplate(blockHeight);
             }else {
                 //wait for block
                 result = await this.waitForBlock(blockHeight);

src/services/discord.service.ts

@@ -34,7 +34,7 @@ export class DiscordService implements OnModuleInit {
 
 
     constructor(private readonly configService: ConfigService) {
-        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
+        if (process.env.MASTER == 'true') {
             this.token = this.configService.get('DISCORD_BOT_TOKEN');
             this.clientId = this.configService.get('DISCORD_BOT_CLIENTID');
             this.guildId = this.configService.get('DISCORD_BOT_GUILD_ID');
@@ -61,7 +61,7 @@ export class DiscordService implements OnModuleInit {
 
     async onModuleInit(): Promise<void> {
 
-        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
+        if (process.env.MASTER == 'true') {
             if (this.bot == null) {
                 return;
             }
@@ -93,7 +93,7 @@ export class DiscordService implements OnModuleInit {
     }
 
     private async registerCommands() {
-        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
+        if (process.env.MASTER == 'true') {
             const rest = new REST().setToken(this.token);
             try {
                 console.log(`Started refreshing ${commands.length} application (/) commands.`);
@@ -113,7 +113,7 @@ export class DiscordService implements OnModuleInit {
     }
 
     public async notifyRestarted() {
-        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
+        if (process.env.MASTER == 'true') {
             if (this.bot == null) {
                 return;
             }
@@ -125,7 +125,7 @@ export class DiscordService implements OnModuleInit {
     }
 
     public async notifySubscribersBlockFound(height: number, block: Block, message: string) {
-        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
+        if (process.env.MASTER == 'true') {
             if (this.bot == null) {
                 return;
             }

src/services/stratum-v1.service.ts

@@ -30,7 +30,7 @@ export class StratumV1Service implements OnModuleInit {
 
   async onModuleInit(): Promise<void> {
 
-      if (process.env.NODE_APP_INSTANCE == '0') {
+      if (process.env.MASTER == 'true') {
         await this.clientService.deleteAll();
       }
       setTimeout(() => {