Revert "improve stratum connection and broadcast performance"

This reverts commit d6d3727119.

.env.example

@@ -10,16 +10,15 @@ BITCOIN_RPC_PASSWORD=
 BITCOIN_RPC_PORT=8332
 BITCOIN_RPC_TIMEOUT=10000
 
-# You can use this instead of BITCOIN_RPC_USER and BITCOIN_RPC_PASSWORD
-BITCOIN_RPC_COOKIEFILE=
-
 # Enable in bitcoin.conf with
 # zmqpubrawblock=tcp://*:3000
 # BITCOIN_ZMQ_HOST="tcp://192.168.1.100:3000"
 
 API_PORT=3334
-STRATUM_PORT=3333
+STRATUM_PORTS=3333,3332,3331,3330
-STRATUM_MAX_CONNECTIONS_PER_LISTENER=10000
+
+STRATUM_SECURE=true
+SECURE_STRATUM_PORTS=4333,4332,4331,4330
 
 #optional telegram bot
 #TELEGRAM_BOT_TOKEN=
@@ -35,5 +34,12 @@ DEV_FEE_ADDRESS=
 NETWORK=mainnet
 
 API_SECURE=false
-# Default is "Public-Pool", you can change it to any string it will be removed if it will make the block or coinbase script too big
+
-POOL_IDENTIFIER="Public-Pool"
+#postgresql
+DB_HOST=
+DB_PORT=
+DB_USERNAME=
+DB_PASSWORD=
+DB_DATABASE=
+
+PRODUCTION=false

Dockerfile

@@ -2,7 +2,7 @@
 # Docker build environment #
 ############################
 
-FROM node:24.16.0-bookworm-slim AS build
+FROM node:18.16.1-bookworm-slim AS build
 
 # Upgrade all packages and install dependencies
 RUN apt-get update \
@@ -11,8 +11,6 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
         python3 \
         build-essential \
         cmake \
-        curl \
-        ca-certificates \
     && apt clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 WORKDIR /build
@@ -26,7 +24,7 @@ RUN npm i && npm run build
 # Docker final environment #
 ############################
 
-FROM node:24.16.0-bookworm-slim
+FROM node:18.16.1-bookworm-slim
 
 # Expose ports for Stratum and Bitcoin RPC
 EXPOSE 3333 3334 8332

README.md

@@ -45,20 +45,6 @@ Install pm2 (https://pm2.keymetrics.io/)
 $ pm2 start dist/main.js
 ```
 
-When running the worker app in PM2 cluster mode, start the PM2 daemon with OS-level
-connection scheduling. The environment variable must be present when the PM2 daemon
-starts, not only in the worker configuration.
-
-```bash
-$ NODE_CLUSTER_SCHED_POLICY=none pm2 start ecosystem.config.js
-```
-
-Cluster-mode connection dropping requires Node.js `22.12.0` or newer.
-
-`STRATUM_MAX_CONNECTIONS_PER_LISTENER` is enforced per worker and Stratum port.
-Size it using the busiest port: `worker count * limit`. For example, 28 workers
-with the default limit of `10000` allow up to `280000` connections on one port.
-
 ## Docker
 
 Build container:

ecosystem.config.js

@@ -0,0 +1,25 @@
+module.exports = {
+    apps: [
+      // Master instance
+      {
+        name: 'master',
+        script: './dist/main.js',
+        instances: 1,
+        env: {
+          MASTER: 'true',
+        },
+        time: true
+      },
+      // Worker instances
+      {
+        name: 'workers',
+        script: './dist/main.js',
+        instances: 2,
+        exec_mode: "cluster",
+        env: {
+          MASTER: 'false',
+        },
+        time: true
+      },
+    ],
+  };

package.json

@@ -5,9 +5,6 @@
   "author": "",
   "private": true,
   "license": "UNLICENSED",
-  "engines": {
-    "node": ">=22.12.0"
-  },
   "scripts": {
     "build": "nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
@@ -33,6 +30,7 @@
     "@nestjs/schedule": "^6.1.3",
     "@nestjs/typeorm": "^11.0.1",
     "axios": "^1.16.0",
+    "better-sqlite3": "^12.9.0",
     "bitcoin-address-validation": "^2.2.3",
     "bitcoinjs-lib": "^6.1.7",
     "bs58": "^5.0.0",
@@ -41,7 +39,8 @@
     "class-validator": "^0.14.4",
     "discord.js": "^14.26.4",
     "merkle-lib": "^2.0.10",
-    "sqlite3": "^5.1.6",
+    "pg": "^8.20.0",
+    "pg-pubsub": "^0.8.1",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.2",
     "tiny-secp256k1": "^2.2.4",

src/ORM/_migrations/UniqueNonceIndex.ts

@@ -0,0 +1,15 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class UniqueNonceIndex implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(
+            `CREATE UNIQUE INDEX "IDX_unique_nonce" ON "client_entity" ("sessionId") WHERE "deletedAt" IS NOT NULL`
+        );
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP INDEX "IDX_unique_nonce"`);
+    }
+
+}

src/ORM/_views/user-agent-report/user-agent-report.module.ts

@@ -0,0 +1,15 @@
+import { Global, Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+import { UserAgentReportService } from './user-agent-report.service';
+import { UserAgentReportView } from './user-agent-report.view';
+
+
+
+@Global()
+@Module({
+    imports: [TypeOrmModule.forFeature([UserAgentReportView])],
+    providers: [UserAgentReportService],
+    exports: [TypeOrmModule, UserAgentReportService],
+})
+export class UserAgentReportModule { }

src/ORM/_views/user-agent-report/user-agent-report.service.ts

@@ -0,0 +1,35 @@
+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+
+import { UserAgentReportView } from './user-agent-report.view';
+
+@Injectable()
+export class UserAgentReportService {
+
+    constructor(
+        @InjectRepository(UserAgentReportView)
+        private userAgentReport: Repository<UserAgentReportView>,
+    ) {
+
+    }
+
+    public async getReport() {
+        return await this.userAgentReport.find();
+    }
+
+    public async refreshReport() {
+        try {
+            return await this.userAgentReport.query(`
+            COMMIT;
+            BEGIN TRANSACTION ISOLATION LEVEL REPEATABLE READ;
+            REFRESH MATERIALIZED VIEW user_agent_report_view;
+            COMMIT;
+        `);
+        } catch (e) {
+
+            console.log(e)
+        }
+
+    }
+}

src/ORM/_views/user-agent-report/user-agent-report.view.ts

@@ -0,0 +1,27 @@
+import { DataSource, ViewColumn, ViewEntity } from 'typeorm';
+
+import { ClientEntity } from '../../client/client.entity';
+
+@ViewEntity({
+    materialized: true,
+    expression: (dataSource: DataSource) =>
+        dataSource
+            .createQueryBuilder()
+            .select('client.userAgent as "userAgent"')
+            .addSelect('COUNT(client.userAgent)', 'count')
+            .addSelect('MAX(client.bestDifficulty)', 'bestDifficulty')
+            .addSelect('SUM(client.hashRate)', 'totalHashRate')
+            .from(ClientEntity, 'client')
+            .groupBy('client.userAgent')
+            .orderBy('"totalHashRate"', 'DESC')
+})
+export class UserAgentReportView {
+    @ViewColumn()
+    userAgent: string;
+    @ViewColumn()
+    count: string;
+    @ViewColumn()
+    bestDifficulty: number;
+    @ViewColumn()
+    totalHashRate: string;
+}

src/ORM/address-settings/address-settings.entity.ts

@@ -11,14 +11,14 @@ export class AddressSettingsEntity extends TrackedEntity {
     @Column({ default: 0 })
     shares: number;
 
-    @Column({ type: 'real', default: 0 })
+    @Column({ type: 'decimal', default: 0 })
     bestDifficulty: number;
 
-    @Column({ nullable: true })
-    miscCoinbaseScriptData: string;
-
     @Column({ nullable: true })
     bestDifficultyUserAgent: string;
 
+    @Column({ nullable: true })
+    miscCoinbaseScriptData: string;
+
 }
 

src/ORM/address-settings/address-settings.service.ts

@@ -15,14 +15,17 @@ export class AddressSettingsService {
     }
 
     public async getSettings(address: string, createIfNotFound: boolean) {
-        const settings = await this.addressSettingsRepository.findOne({ where: { address } });
+        let settings = await this.addressSettingsRepository.findOne({ where: { address } });
-        if (createIfNotFound == true && settings == null) {
+        if (createIfNotFound === true && settings == null) {
-            // It's possible to have a race condition here so if we get a PK violation, fetch it
+            await this.addressSettingsRepository
-            try {
+                .createQueryBuilder()
-                return await this.createNew(address);
+                .insert()
-            } catch (e) {
+                .into(AddressSettingsEntity)
-                return await this.addressSettingsRepository.findOne({ where: { address } });
+                .values({ address })
-            }
+                .orIgnore()
+                .execute();
+
+            settings = await this.addressSettingsRepository.findOne({ where: { address } });
         }
         return settings;
     }
@@ -49,27 +52,19 @@ export class AddressSettingsService {
             .execute();
     }
 
-    public async getHighScores() {
-        return await this.addressSettingsRepository.createQueryBuilder()
-            .select('"updatedAt", "bestDifficulty", "bestDifficultyUserAgent"')
-            .orderBy('"bestDifficulty"', 'DESC')
-            .limit(10)
-            .execute();
-    }
-
     public async createNew(address: string) {
         return await this.addressSettingsRepository.save({ address });
     }
 
-    public async addShares(address: string, shares: number) {
+    // public async addShares(address: string, shares: number) {
-        return await this.addressSettingsRepository.createQueryBuilder()
+    //     return await this.addressSettingsRepository.createQueryBuilder()
-            .update(AddressSettingsEntity)
+    //         .update(AddressSettingsEntity)
-            .set({
+    //         .set({
-                shares: () => `"shares" + ${shares}` // Use the actual value of shares here
+    //             shares: () => `"shares" + ${shares}` // Use the actual value of shares here
-            })
+    //         })
-            .where('address = :address', { address })
+    //         .where('address = :address', { address })
-            .execute();
+    //         .execute();
-    }
+    // }
 
     public async resetBestDifficultyAndShares() {
         return await this.addressSettingsRepository
@@ -81,4 +76,12 @@ export class AddressSettingsService {
             })
             .execute();
     }
+
+    public async getHighScores() {
+        return await this.addressSettingsRepository.createQueryBuilder()
+            .select('"updatedAt", "bestDifficulty", "bestDifficultyUserAgent"')
+            .orderBy('"bestDifficulty"', 'DESC')
+            .limit(10)
+            .execute();
+    }
 }

src/ORM/blocks/blocks.entity.ts

@@ -1,11 +1,12 @@
-import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
+import { Column, Entity } from 'typeorm';
 
+import { PrimaryGeneratedBigIntColumn } from '../utils/PrimaryGeneratedBigIntColumn';
 import { TrackedEntity } from '../utils/TrackedEntity.entity';
 
 @Entity()
 export class BlocksEntity extends TrackedEntity {
 
-    @PrimaryGeneratedColumn()
+    @PrimaryGeneratedBigIntColumn()
     id: number;
 
     @Column()

src/ORM/client-statistics/client-statistics.entity.ts

@@ -1,15 +1,15 @@
-import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
+import { Column, Entity, Index, ManyToOne } from 'typeorm';
 
+import { ClientEntity } from '../client/client.entity';
+import { PrimaryGeneratedBigIntColumn } from '../utils/PrimaryGeneratedBigIntColumn';
 import { TrackedEntity } from '../utils/TrackedEntity.entity';
 
 @Entity()
-//Index for getHashRateForSession
-@Index(["address", "clientName", "sessionId"])
 //Index for statistics save
-@Index(["address", "clientName", "sessionId", "time"])
+@Index(["clientId", "time"])
 export class ClientStatisticsEntity extends TrackedEntity {
 
-    @PrimaryGeneratedColumn()
+    @PrimaryGeneratedBigIntColumn()
     id: number;
 
     @Column({ length: 62, type: 'varchar' })
@@ -22,14 +22,27 @@ export class ClientStatisticsEntity extends TrackedEntity {
     sessionId: string;
 
     @Index()
-    @Column({ type: 'integer' })
+    @Column({ type: 'bigint' })
     time: number;
 
-    @Column({ type: 'real' })
+    @Column({ type: 'decimal' })
     shares: number;
 
-    @Column({ default: 0, type: 'integer' })
+    @Column({ default: 0, type: 'bigint' })
     acceptedCount: number;
 
 
+
+    @ManyToOne(
+        () => ClientEntity,
+        clientEntity => clientEntity.statistics,
+        { nullable: false, }
+    )
+    client: ClientEntity;
+
+    @Index()
+    @Column({ name: 'clientId' })
+    public clientId: string;
+
+
 }

src/ORM/client-statistics/client-statistics.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
-import { InjectRepository } from '@nestjs/typeorm';
+import { InjectDataSource, InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
+import { DataSource, Repository } from 'typeorm';
 
 import { ClientStatisticsEntity } from './client-statistics.entity';
 
@@ -8,32 +8,89 @@ import { ClientStatisticsEntity } from './client-statistics.entity';
 @Injectable()
 export class ClientStatisticsService {
 
+    private bulkAsyncUpdates: {
+        [key: string]: Partial<ClientStatisticsEntity>
+    } = {};
+
     constructor(
 
-
+        @InjectDataSource()
+        private dataSource: DataSource,
         @InjectRepository(ClientStatisticsEntity)
         private clientStatisticsRepository: Repository<ClientStatisticsEntity>,
     ) {
 
     }
 
-    public async update(clientStatistic: Partial<ClientStatisticsEntity>) {
+    // public async update(clientStatistic: Partial<ClientStatisticsEntity>) {
 
-        await this.clientStatisticsRepository.update({
+    //     await this.clientStatisticsRepository.update({ clientId: clientStatistic.clientId, time: clientStatistic.time },
-            address: clientStatistic.address,
+    //     {
-            clientName: clientStatistic.clientName,
+    //         shares: clientStatistic.shares,
-            sessionId: clientStatistic.sessionId,
+    //         acceptedCount: clientStatistic.acceptedCount,
-            time: clientStatistic.time
+    //         updatedAt: new Date()
-        },
+    //     });
-            {
+    // }
-                shares: clientStatistic.shares,
-                acceptedCount: clientStatistic.acceptedCount,
-                updatedAt: new Date()
-            });
 
+    public updateBulkAsync(clientStatistic: Partial<ClientStatisticsEntity>) {
+        const key = clientStatistic.clientId + clientStatistic.time.toString();
+        if(this.bulkAsyncUpdates[key] != null){
+            this.bulkAsyncUpdates[key].shares = clientStatistic.shares;
+            this.bulkAsyncUpdates[key].acceptedCount = clientStatistic.acceptedCount;
+            return;
+        }
+
+        this.bulkAsyncUpdates[clientStatistic.clientId + clientStatistic.time.toString()] = clientStatistic;
     }
+
+    public async doBulkAsyncUpdate(){
+        if(Object.keys(this.bulkAsyncUpdates).length < 1){
+            console.log('No client stats to update.')
+            return;
+        }
+
+        // Step 1: Prepare data for bulk update
+        const values = Object.entries(this.bulkAsyncUpdates).map(([key, value]) => {
+            return  `('${value.clientId}', ${value.time}, ${value.shares}, ${value.acceptedCount}, NOW())`
+        }).join(',');
+        
+    
+        const query = `
+            DO $$
+            BEGIN
+                CREATE TEMP TABLE temp_stats (
+                    "clientId" UUID,
+                    time BIGINT,
+                    shares NUMERIC,
+                    "acceptedCount" INT,
+                    "updatedAt" TIMESTAMP
+                ) ON COMMIT DROP;
+    
+                INSERT INTO temp_stats ("clientId", time, shares, "acceptedCount", "updatedAt")
+                VALUES ${values};
+    
+                UPDATE "client_statistics_entity" cse
+                SET shares = ts.shares,
+                    "acceptedCount" = ts."acceptedCount",
+                    "updatedAt" = ts."updatedAt"
+                FROM temp_stats ts
+                WHERE cse."clientId" = ts."clientId" AND cse.time = ts.time;
+            END;
+            $$;
+        `;
+    
+        try {
+            await this.clientStatisticsRepository.query(query);
+            //console.log(`Bulk updated ${Object.keys(this.bulkAsyncUpdates).length} statistics`)
+        } catch (error) {
+            console.error('Bulk update failed:', error.message, query);
+            throw error;
+        }
+
+        this.bulkAsyncUpdates = {};
+    }
+
     public async insert(clientStatistic: Partial<ClientStatisticsEntity>) {
-        // If no rows were updated, insert a new record
         await this.clientStatisticsRepository.insert(clientStatistic);
     }
 
@@ -48,57 +105,7 @@ export class ClientStatisticsService {
             .execute();
     }
 
-    public async getChartDataForSite() {
 
-        var yesterday = new Date(new Date().getTime() - (24 * 60 * 60 * 1000));
-
-        const query = `
-            SELECT
-                time AS label,
-                ROUND(((SUM(shares) * 4294967296) / 600)) AS data
-            FROM
-                client_statistics_entity AS entry
-            WHERE
-                entry.time > ${yesterday.getTime()}
-            GROUP BY
-                time
-            ORDER BY
-                time
-            LIMIT 144;
-
-    `;
-
-        const result: any[] = await this.clientStatisticsRepository.query(query);
-
-
-        return result.map(res => {
-            res.label = new Date(res.label).toISOString();
-            return res;
-        }).slice(0, result.length - 1)
-
-    }
-
-
-    // public async getHashRateForAddress(address: string) {
-
-    //     const oneHour = new Date(new Date().getTime() - (60 * 60 * 1000));
-
-    //     const query = `
-    //         SELECT
-    //         SUM(entry.shares) AS difficultySum
-    //         FROM
-    //             client_statistics_entity AS entry
-    //         WHERE
-    //             entry.address = ? AND entry.time > ${oneHour}
-    //     `;
-
-    //     const result = await this.clientStatisticsRepository.query(query, [address]);
-
-    //     const difficultySum = result[0].difficultySum;
-
-    //     return (difficultySum * 4294967296) / (600);
-
-    // }
 
     public async getChartDataForAddress(address: string) {
 
@@ -106,12 +113,12 @@ export class ClientStatisticsService {
 
         const query = `
                 SELECT
-                    time label,
+                    time AS label,
                     (SUM(shares) * 4294967296) / 600 AS data
                 FROM
                     client_statistics_entity AS entry
                 WHERE
-                    entry.address = ? AND entry.time > ${yesterday.getTime()}
+                    entry.address = $1 AND entry.time > $2
                 GROUP BY
                     time
                 ORDER BY
@@ -120,10 +127,10 @@ export class ClientStatisticsService {
 
         `;
 
-        const result = await this.clientStatisticsRepository.query(query, [address]);
+        const result = await this.clientStatisticsRepository.query(query, [address, yesterday.getTime()]);
 
         return result.map(res => {
-            res.label = new Date(res.label).toISOString();
+            res.label = new Date(parseInt(res.label)).toISOString();
             return res;
         }).slice(0, result.length - 1);
 
@@ -141,7 +148,7 @@ export class ClientStatisticsService {
             FROM
                 client_statistics_entity AS entry
             WHERE
-                entry.address = ? AND entry.clientName = ? AND entry.time > ${oneHour.getTime()}
+                entry.address = $1 AND entry.clientName = $2 AND entry.time > ${oneHour.getTime()}
         `;
 
         const result = await this.clientStatisticsRepository.query(query, [address, clientName]);
@@ -158,12 +165,12 @@ export class ClientStatisticsService {
 
         const query = `
             SELECT
-                time label,
+                time AS label,
                 (SUM(shares) * 4294967296) / 600 AS data
             FROM
                 client_statistics_entity AS entry
             WHERE
-                entry.address = ? AND entry.clientName = ? AND entry.time > ${yesterday.getTime()}
+                entry.address = $1 AND entry."clientName" = $2 AND entry.time > ${yesterday.getTime()}
             GROUP BY
                 time
             ORDER BY
@@ -174,7 +181,7 @@ export class ClientStatisticsService {
         const result = await this.clientStatisticsRepository.query(query, [address, clientName]);
 
         return result.map(res => {
-            res.label = new Date(res.label).toISOString();
+            res.label = new Date(parseInt(res.label)).toISOString();
             return res;
         }).slice(0, result.length - 1);
 
@@ -182,59 +189,59 @@ export class ClientStatisticsService {
     }
 
 
-    public async getHashRateForSession(address: string, clientName: string, sessionId: string) {
+    // public async getHashRateForSession(clientId: string) {
 
-        const query = `
+    //     const query = `
-            SELECT
+    //         SELECT
-                createdAt,
+    //             "createdAt",
-                updatedAt,
+    //             "updatedAt",
-                shares
+    //             shares
-            FROM
+    //         FROM
-                client_statistics_entity AS entry
+    //             client_statistics_entity AS entry
-            WHERE
+    //         WHERE
-                entry.address = ? AND entry.clientName = ? AND entry.sessionId = ?
+    //             entry."clientId" = $1
-            ORDER BY time DESC
+    //         ORDER BY time DESC
-            LIMIT 2;
+    //         LIMIT 2;
-        `;
+    //     `;
 
-        const result = await this.clientStatisticsRepository.query(query, [address, clientName, sessionId]);
+    //     const result = await this.clientStatisticsRepository.query(query, [clientId]);
 
-        if (result.length < 1) {
+    //     if (result.length < 1) {
-            return 0;
+    //         return 0;
-        }
+    //     }
 
-        const latestStat = result[0];
+    //     const latestStat = result[0];
 
-        if (result.length < 2) {
+    //     if (result.length < 2) {
-            const time = new Date(latestStat.updatedAt).getTime() - new Date(latestStat.createdAt).getTime();
+    //         const time = new Date(latestStat.updatedAt).getTime() - new Date(latestStat.createdAt).getTime();
-            // 1min
+    //         // 1min
-            if (time < 1000 * 60) {
+    //         if (time < 1000 * 60) {
-                return 0;
+    //             return 0;
-            }
+    //         }
-            return (latestStat.shares * 4294967296) / (time / 1000);
+    //         return (parseFloat(latestStat.shares) * 4294967296) / (time / 1000);
-        } else {
+    //     } else {
-            const secondLatestStat = result[1];
+    //         const secondLatestStat = result[1];
-            const time = new Date(latestStat.updatedAt).getTime() - new Date(secondLatestStat.createdAt).getTime();
+    //         const time = new Date(latestStat.updatedAt).getTime() - new Date(secondLatestStat.createdAt).getTime();
-            // 1min
+    //         // 1min
-            if (time < 1000 * 60) {
+    //         if (time < 1000 * 60) {
-                return 0;
+    //             return 0;
-            }
+    //         }
-            return ((latestStat.shares + secondLatestStat.shares) * 4294967296) / (time / 1000);
+    //         return ((parseFloat(latestStat.shares) + parseFloat(secondLatestStat.shares)) * 4294967296) / (time / 1000);
-        }
+    //     }
 
-    }
+    // }
 
-    public async getChartDataForSession(address: string, clientName: string, sessionId: string) {
+    public async getChartDataForSession(clientId: string) {
         var yesterday = new Date(new Date().getTime() - (24 * 60 * 60 * 1000));
 
         const query = `
             SELECT
-                time label,
+                time AS label,
                 (SUM(shares) * 4294967296) / 600 AS data
             FROM
                 client_statistics_entity AS entry
             WHERE
-                entry.address = ? AND entry.clientName = ? AND entry.sessionId = ? AND entry.time > ${yesterday.getTime()}
+                entry."clientId" = $1 AND entry.time > ${yesterday.getTime()}
             GROUP BY
                 time
             ORDER BY
@@ -242,10 +249,10 @@ export class ClientStatisticsService {
             LIMIT 144;
         `;
 
-        const result = await this.clientStatisticsRepository.query(query, [address, clientName, sessionId]);
+        const result = await this.clientStatisticsRepository.query(query, [clientId]);
 
         return result.map(res => {
-            res.label = new Date(res.label).toISOString();
+            res.label = new Date(parseInt(res.label)).toISOString();
             return res;
         }).slice(0, result.length - 1);
 

src/ORM/client/client.entity.ts

@@ -1,25 +1,28 @@
-import { Column, Entity, Index, PrimaryColumn } from 'typeorm';
+import { Column, Entity, Index, OneToMany, PrimaryGeneratedColumn } from 'typeorm';
 
-import { DateTimeTransformer } from '../utils/DateTimeTransformer';
+import { ClientStatisticsEntity } from '../client-statistics/client-statistics.entity';
 import { TrackedEntity } from '../utils/TrackedEntity.entity';
 
-//https://www.sqlite.org/withoutrowid.html
 
-//The WITHOUT ROWID optimization is likely to be helpful for tables that have non-integer
+@Entity()
-// or composite (multi-column) PRIMARY KEYs and that do not store large strings or BLOBs.
+@Index("IDX_unique_nonce", { synchronize: false })
-//WITHOUT ROWID tables work best when individual rows are not too large.
+@Index('idx_client_cleanup', ['id'], {
-@Entity({ withoutRowid: true })
+    where: '"deletedAt" IS NULL',
-@Index(['address', 'clientName', 'sessionId'], { unique: true })
+    // This is a partial (filtered) index — only indexes active clients
+})
 export class ClientEntity extends TrackedEntity {
 
+    @PrimaryGeneratedColumn('uuid')
+    id: string;
 
-    @PrimaryColumn({ length: 62, type: 'varchar' })
+    @Index()
+    @Column({ length: 62, type: 'varchar' })
     address: string;
 
-    @PrimaryColumn({ length: 64, type: 'varchar' })
+    @Column({ length: 64, type: 'varchar' })
     clientName: string;
 
-    @PrimaryColumn({ length: 8, type: 'varchar' })
+    @Column({ length: 8, type: 'varchar', })
     sessionId: string;
 
 
@@ -27,15 +30,19 @@ export class ClientEntity extends TrackedEntity {
     userAgent: string;
 
 
-
+    @Column()
-    @Column({ type: 'datetime', transformer: new DateTimeTransformer() })
     startTime: Date;
 
-    @Column({ type: 'real', default: 0 })
+    @Column({ type: 'decimal', default: 0 })
     bestDifficulty: number
 
-    @Column({ default: 0 })
+    @Column({ default: 0, type: 'decimal' })
     hashRate: number;
 
-}
+    @OneToMany(
+        () => ClientStatisticsEntity,
+        clientStatisticsEntity => clientStatisticsEntity.client
+    )
+    statistics: ClientStatisticsEntity[]
 
+}

src/ORM/client/client.service.ts

@@ -1,8 +1,6 @@
 import { Injectable } from '@nestjs/common';
-import { Interval } from '@nestjs/schedule';
+import { InjectDataSource, InjectRepository } from '@nestjs/typeorm';
-import { InjectRepository } from '@nestjs/typeorm';
+import { DataSource, Repository } from 'typeorm';
-import { firstValueFrom, Subject } from 'rxjs';
-import { ObjectLiteral, Repository } from 'typeorm';
 
 import { ClientEntity } from './client.entity';
 
@@ -11,80 +9,119 @@ import { ClientEntity } from './client.entity';
 @Injectable()
 export class ClientService {
 
-
+    private heartbeatBulkUpdate: { [id: string]: { id: string, hashRate: number, updatedAt: Date } } = {};
-    public insertQueue: { result: Subject<ObjectLiteral>, partialClient: Partial<ClientEntity> }[] = [];
-
 
     constructor(
+        @InjectDataSource()
+        private dataSource: DataSource,
         @InjectRepository(ClientEntity)
         private clientRepository: Repository<ClientEntity>
     ) {
 
     }
 
-    @Interval(1000 * 5)
+    // client.service.ts
-    public async insertClients() {
+    public async killDeadClients(): Promise<boolean> {
-        const queueCopy = [...this.insertQueue];
+        const BATCH_SIZE = 10000;
-        this.insertQueue = [];
 
-        if (queueCopy.length === 0) {
+        return this.dataSource.transaction('READ COMMITTED', async (manager) => {  // ← CHANGE HERE
+            const deadClients: { id: string }[] = await manager.query(`
+                SELECT id
+                FROM client_entity
+                WHERE "deletedAt" IS NULL
+                  AND "updatedAt" < NOW() - INTERVAL '5 minutes'
+                ORDER BY id
+                LIMIT $1
+                FOR UPDATE SKIP LOCKED
+            `, [BATCH_SIZE]);
+
+            if (deadClients.length === 0) {
+                return false;
+            }
+
+            await manager
+                .createQueryBuilder()
+                .update(ClientEntity)
+                .set({ deletedAt: () => 'NOW()' })
+                .whereInIds(deadClients.map(c => c.id))
+                .execute();
+
+            console.log(`Killed ${deadClients.length} dead clients`);
+
+            return true;
+        });
+    }
+
+    //public async heartbeat(id, hashRate: number, updatedAt: Date) {
+    //     return await this.clientRepository.update({ id }, { hashRate, deletedAt: null, updatedAt });
+    // }
+
+    public heartbeatBulkAsync(id, hashRate: number, updatedAt: Date) {
+        if (this.heartbeatBulkUpdate[id] != null) {
+            this.heartbeatBulkUpdate[id].hashRate = hashRate;
+            this.heartbeatBulkUpdate[id].updatedAt = updatedAt;
+            return;
+        }
+        this.heartbeatBulkUpdate[id] = { id, hashRate, updatedAt };
+    }
+
+    public async doBulkHeartbeatUpdate() {
+        if (Object.keys(this.heartbeatBulkUpdate).length < 1) {
+            console.log('No heartbeats to update.')
             return;
         }
 
+        const values = Object.entries(this.heartbeatBulkUpdate).map(([key, value]) => {
+            return `('${value.id}', ${value.hashRate}, NOW())`
+        }).join(',');
+
+        const query = `
+            DO $$
+            BEGIN
+                CREATE TEMP TABLE temp_heartbeats (
+                    id UUID,
+                    "hashRate" DECIMAL,
+                    "updatedAt" TIMESTAMP
+                ) ON COMMIT DROP;
+
+                INSERT INTO temp_heartbeats (id, "hashRate", "updatedAt")
+                VALUES ${values};
+
+                UPDATE "client_entity" ce
+                SET "hashRate" = th."hashRate",
+                    "deletedAt" = NULL,
+                    "updatedAt" = th."updatedAt"
+                FROM temp_heartbeats th
+                WHERE ce.id = th.id;
+            END;
+            $$;
+        `;
+
         try {
-            const results = await this.clientRepository.insert(queueCopy.map(c => c.partialClient));
+            await this.clientRepository.query(query);
-
+            console.log(`Bulk updated ${Object.keys(this.heartbeatBulkUpdate).length} client heartbeats`);
-            queueCopy.forEach((c, index) => {
+        } catch (error) {
-                c.result.next(results.generatedMaps[index]);
+            console.error('Bulk heartbeat failed:', error.message, 'Query:', query);
-                c.result.complete();
+            throw error;
-            });
-        } catch (e) {
-            queueCopy.forEach(c => c.result.error(e));
-            throw e;
         }
+
+        this.heartbeatBulkUpdate = {};
     }
 
-    public async killDeadClients() {
-        var fiveMinutes = new Date(new Date().getTime() - (5 * 60 * 1000)).toISOString();
-
-        return await this.clientRepository
-            .createQueryBuilder()
-            .update(ClientEntity)
-            .set({ deletedAt: () => "DATETIME('now')" })
-            .where("deletedAt IS NULL AND updatedAt < DATETIME(:fiveMinutes)", { fiveMinutes })
-            .execute();
-    }
-
-    public async heartbeat(address: string, clientName: string, sessionId: string, hashRate: number, updatedAt: Date) {
-        return await this.clientRepository.update({ address, clientName, sessionId }, { hashRate, deletedAt: null, updatedAt });
-    }
-
-    // public async save(client: Partial<ClientEntity>) {
-    //     return await this.clientRepository.save(client);
-    // }
-
 
     public async insert(partialClient: Partial<ClientEntity>): Promise<ClientEntity> {
-
+        const insertResult = await this.clientRepository.insert(partialClient);
-        const result = new Subject<ObjectLiteral>();
-
-        this.insertQueue.push({ result, partialClient });
-
-
-        //  const insertResult = await this.clientRepository.insert(partialClient);
-
-        const generatedMap = await firstValueFrom(result);
 
         const client = {
             ...partialClient,
-            ...generatedMap
+            ...insertResult.generatedMaps[0]
         };
 
         return client as ClientEntity;
     }
 
-    public async delete(sessionId: string) {
+    public async delete(id: string) {
-        return await this.clientRepository.softDelete({ sessionId });
+        return await this.clientRepository.softDelete({ id });
     }
 
     public async deleteOldClients() {
@@ -100,16 +137,16 @@ export class ClientService {
 
     }
 
-    public async updateBestDifficulty(sessionId: string, bestDifficulty: number) {
+    public async updateBestDifficulty(id: string, bestDifficulty: number) {
-        return await this.clientRepository.update({ sessionId }, { bestDifficulty });
+        return await this.clientRepository.update({ id }, { bestDifficulty });
     }
 
-    public async updateBestDifficultyIfHigher(sessionId: string, bestDifficulty: number) {
+    public async updateBestDifficultyIfHigher(id: string, bestDifficulty: number) {
         return await this.clientRepository
             .createQueryBuilder()
             .update(ClientEntity)
             .set({ bestDifficulty })
-            .where('sessionId = :sessionId', { sessionId })
+            .where('id = :id', { id })
             .andWhere('"bestDifficulty" < :bestDifficulty', { bestDifficulty })
             .execute();
     }
@@ -153,16 +190,16 @@ export class ClientService {
             .execute();
     }
 
-    public async getUserAgents() {
+    // public async getUserAgents() {
-        const result = await this.clientRepository.createQueryBuilder('client')
+    //     const result = await this.clientRepository.createQueryBuilder('client')
-            .select('client.userAgent as userAgent')
+    //         .select('client.userAgent as "userAgent"')
-            .addSelect('COUNT(client.userAgent)', 'count')
+    //         .addSelect('COUNT(client.userAgent)', 'count')
-            .addSelect('MAX(client.bestDifficulty)', 'bestDifficulty')
+    //         .addSelect('MAX(client.bestDifficulty)', 'bestDifficulty')
-            .addSelect('SUM(client.hashRate)', 'totalHashRate')
+    //         .addSelect('SUM(client.hashRate)', 'totalHashRate')
-            .groupBy('client.userAgent')
+    //         .groupBy('client.userAgent')
-            .orderBy('count', 'DESC')
+    //         .orderBy('"totalHashRate"', 'DESC')
-            .getRawMany();
+    //         .getRawMany();
-        return result;
+    //     return result;
-    }
+    // }
 
 }

src/ORM/external-shares/external-shares.entity.ts

@@ -1,30 +0,0 @@
-import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
-import { TrackedEntity } from '../utils/TrackedEntity.entity';
-
-@Entity()
-@Index(['address', 'time'])
-export class ExternalSharesEntity extends TrackedEntity {
-    @PrimaryGeneratedColumn()
-    id: number;
-
-    @Column({ length: 62, type: 'varchar' })
-    address: string;
-
-    @Column()
-    clientName: string;
-
-    @Column({ type: 'integer' })
-    time: number;
-
-    @Column({ type: 'real' })
-    difficulty: number;
-
-    @Column({ length: 128, type: 'varchar', nullable: true })
-    userAgent: string;
-
-    @Column({ length: 128, type: 'varchar', nullable: true })
-    externalPoolName: string;
-
-    @Column()
-    header: string;
-}

src/ORM/external-shares/external-shares.module.ts

@@ -1,13 +0,0 @@
-import { Global, Module } from '@nestjs/common';
-import { TypeOrmModule } from '@nestjs/typeorm';
-
-import { ExternalSharesEntity } from './external-shares.entity';
-import { ExternalSharesService } from './external-shares.service';
-
-@Global()
-@Module({
-    imports: [TypeOrmModule.forFeature([ExternalSharesEntity])],
-    providers: [ExternalSharesService],
-    exports: [TypeOrmModule, ExternalSharesService],
-})
-export class ExternalSharesModule { } 

src/ORM/external-shares/external-shares.service.ts

@@ -1,52 +0,0 @@
-import { Injectable } from '@nestjs/common';
-import { InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
-import { ExternalSharesEntity } from './external-shares.entity';
-
-@Injectable()
-export class ExternalSharesService {
-    constructor(
-        @InjectRepository(ExternalSharesEntity)
-        private externalSharesRepository: Repository<ExternalSharesEntity>
-    ) {}
-
-    public async insert(externalShare: Partial<ExternalSharesEntity>) {
-        return await this.externalSharesRepository.insert(externalShare);
-    }
-
-    public async getTopDifficulties(): Promise<Array<{userAgent: string, time: number, externalPoolName: string, difficulty: number}>> {
-        return await this.externalSharesRepository
-            .createQueryBuilder('share')
-            .select('share.userAgent', 'userAgent')
-            .addSelect('share.time', 'time')
-            .addSelect('share.externalPoolName', 'externalPoolName')
-            .addSelect('MAX(share.difficulty)', 'difficulty')
-            .groupBy('share.address')
-            .orderBy('MAX(share.difficulty)', 'DESC')
-            .limit(10)
-            .getRawMany();
-    }
-
-    public async getAddressBestDifficulty(address: string): Promise<number> {
-        const result = await this.externalSharesRepository
-            .createQueryBuilder()
-            .select('MAX(difficulty)', 'maxDifficulty')
-            .where('address = :address', { address })
-            .getRawOne();
-        return result?.maxDifficulty || 0;
-    }
-
-    public async deleteOldShares() {
-        const oneDayAgo = new Date(Date.now() - 24 * 60 * 60 * 1000);
-        return await this.externalSharesRepository
-            .createQueryBuilder()
-            .delete()
-            .from(ExternalSharesEntity)
-            .where('time < :time', { time: oneDayAgo.getTime() })
-            .execute();
-    }
-
-    public async deleteAll() {
-        return await this.externalSharesRepository.delete({});
-    }
-}

src/ORM/home-graph/home-graph.entity.ts

@@ -0,0 +1,16 @@
+import { Column, Entity } from 'typeorm';
+
+import { PrimaryGeneratedBigIntColumn } from '../utils/PrimaryGeneratedBigIntColumn';
+
+@Entity()
+export class HomeGraphEntity {
+
+    @PrimaryGeneratedBigIntColumn()
+    id: number;
+
+    @Column({ type: 'bigint' })
+    label: number;
+
+    @Column({ type: 'bigint' })
+    data: number;
+}

src/ORM/home-graph/home-graph.module.ts

@@ -0,0 +1,15 @@
+import { Global, Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+import { HomeGraphEntity } from './home-graph.entity';
+import { HomeGraphService } from './home-graph.service';
+
+
+
+@Global()
+@Module({
+    imports: [TypeOrmModule.forFeature([HomeGraphEntity])],
+    providers: [HomeGraphService],
+    exports: [TypeOrmModule, HomeGraphService],
+})
+export class HomeGraphModule { }

src/ORM/home-graph/home-graph.service.ts

@@ -0,0 +1,45 @@
+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+
+import { HomeGraphEntity } from './home-graph.entity';
+
+@Injectable()
+export class HomeGraphService {
+    constructor(
+        @InjectRepository(HomeGraphEntity) private homeGraphRepository: Repository<HomeGraphEntity>
+    ) {
+
+    }
+
+    public async getLatestTime(): Promise<Date> {
+        const result = await this.homeGraphRepository.createQueryBuilder('entity')
+            .select('MAX(entity.label)', 'maxNumber')
+            .getRawOne();
+
+        if (result.maxNumber == null) {
+            return new Date(new Date().getTime() - (24 * 60 * 60 * 1000));
+        }
+
+        return new Date(parseInt(result.maxNumber));
+    }
+
+    public async save(graph: { label: number, data: number }[]) {
+        await this.homeGraphRepository.insert(graph);
+    }
+
+    public async getChartDataForSite(limit: number = 144 * 7) {
+        const records = await this.homeGraphRepository
+            .createQueryBuilder('homeGraph')
+            .orderBy('homeGraph.id', 'DESC')
+            .limit(limit)
+            .getRawMany();
+
+        return records.map(res => {
+            return {
+                label: new Date(parseInt(res.homeGraph_label)).toISOString(),
+                data: res.homeGraph_data
+            }
+        });
+    }
+}

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

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
+import { InsertResult, Repository } from 'typeorm';
 
 import { RpcBlockEntity } from './rpc-block.entity';
 
@@ -12,18 +12,14 @@ export class RpcBlockService {
     ) {
 
     }
-    public getBlock(blockHeight: number) {
+    public getSavedBlockTemplate(blockHeight: number) {
         return this.rpcBlockRepository.findOne({
             where: { blockHeight }
         });
     }
 
-    public lockBlock(blockHeight: number, process: string) {
+    public saveBlock(blockHeight: number, data: string): Promise<InsertResult> {
-        return this.rpcBlockRepository.save({ blockHeight, data: null, lockedBy: process });
+        return this.rpcBlockRepository.upsert({ blockHeight, data }, ['blockHeight']);
-    }
-
-    public saveBlock(blockHeight: number, data: string) {
-        return this.rpcBlockRepository.update(blockHeight, { data })
     }
 
     public async deleteOldBlocks() {

src/ORM/telegram-subscriptions/telegram-subscriptions.entity.ts

@@ -1,11 +1,12 @@
-import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
+import { Column, Entity, Index } from 'typeorm';
 
+import { PrimaryGeneratedBigIntColumn } from '../utils/PrimaryGeneratedBigIntColumn';
 import { TrackedEntity } from '../utils/TrackedEntity.entity';
 
 @Entity()
 export class TelegramSubscriptionsEntity extends TrackedEntity {
 
-    @PrimaryGeneratedColumn()
+    @PrimaryGeneratedBigIntColumn()
     id: number;
 
     @Index()

src/ORM/utils/DateTimeTransformer.spec.ts

@@ -0,0 +1,38 @@
+import { DateTimeTransformer } from './DateTimeTransformer';
+
+describe('DateTimeTransformer', () => {
+    const transformer = new DateTimeTransformer();
+
+    it('should pass Date values through as Date instances', () => {
+        const date = new Date('2026-05-06T12:00:00.000Z');
+
+        expect(transformer.to(date)).toBe(date);
+        expect(transformer.from(date)).toBe(date);
+    });
+
+    it('should parse ISO strings from the database', () => {
+        const date = transformer.from('2026-05-06T12:00:00.000Z');
+
+        expect(date).toBeInstanceOf(Date);
+        expect((date as Date).toISOString()).toBe('2026-05-06T12:00:00.000Z');
+    });
+
+    it('should parse legacy locale strings', () => {
+        const usDate = transformer.from('5/6/2026, 1:02:03 PM') as Date;
+        const europeanDate = transformer.from('6.5.2026, 13:02:03') as Date;
+
+        expect(usDate.getFullYear()).toBe(2026);
+        expect(usDate.getMonth()).toBe(4);
+        expect(usDate.getDate()).toBe(6);
+        expect(usDate.getHours()).toBe(13);
+        expect(europeanDate.getFullYear()).toBe(2026);
+        expect(europeanDate.getMonth()).toBe(4);
+        expect(europeanDate.getDate()).toBe(6);
+        expect(europeanDate.getHours()).toBe(13);
+    });
+
+    it('should preserve null and undefined values', () => {
+        expect(transformer.to(null)).toBeNull();
+        expect(transformer.from(undefined)).toBeUndefined();
+    });
+});

src/ORM/utils/DateTimeTransformer.ts

@@ -1,14 +1,113 @@
 import { ValueTransformer } from 'typeorm';
 
-export class DateTimeTransformer implements ValueTransformer {
+const EUROPEAN_LOCALE_REGEX =
-    to(value: Date): any {
+    /^(\d{1,2})\.(\d{1,2})\.(\d{4}),\s*(\d{1,2}):(\d{2})(?::(\d{2}))?(?:\s*(AM|PM))?$/i;
-        // Convert the local time to UTC before saving to the database
+const US_LOCALE_REGEX =
-        const utcTime = value?.toLocaleString();
+    /^(\d{1,2})\/(\d{1,2})\/(\d{4}),\s*(\d{1,2}):(\d{2})(?::(\d{2}))?\s*(AM|PM)$/i;
-        return utcTime;
+
+function parseLegacyLocaleString(value: string): Date | null {
+    const trimmed = value.trim();
+
+    const matchEuropean = trimmed.match(EUROPEAN_LOCALE_REGEX);
+    if (matchEuropean) {
+        const [, day, month, year, hours, minutes, seconds = '0', meridiem] = matchEuropean;
+        return buildDateFromParts({
+            year,
+            month,
+            day,
+            hours,
+            minutes,
+            seconds,
+            meridiem,
+        });
     }
 
-    from(value: any): Date {
+    const matchUs = trimmed.match(US_LOCALE_REGEX);
-        // Convert the UTC time from the database to the local time zone
+    if (matchUs) {
+        const [, month, day, year, hours, minutes, seconds = '0', meridiem] = matchUs;
+        return buildDateFromParts({
+            year,
+            month,
+            day,
+            hours,
+            minutes,
+            seconds,
+            meridiem,
+        });
+    }
+
+    return null;
+}
+
+function buildDateFromParts({
+    year,
+    month,
+    day,
+    hours,
+    minutes,
+    seconds,
+    meridiem,
+}: {
+    year: string;
+    month: string;
+    day: string;
+    hours: string;
+    minutes: string;
+    seconds: string;
+    meridiem?: string;
+}): Date {
+    let hourValue = Number(hours);
+    if (meridiem) {
+        const normalized = meridiem.toUpperCase();
+        if (normalized === 'PM' && hourValue < 12) {
+            hourValue += 12;
+        } else if (normalized === 'AM' && hourValue === 12) {
+            hourValue = 0;
+        }
+    }
+
+    return new Date(
+        Number(year),
+        Number(month) - 1,
+        Number(day),
+        hourValue,
+        Number(minutes),
+        Number(seconds),
+    );
+}
+
+function normalizeDate(value: Date | string): Date {
+    if (value instanceof Date) {
         return value;
     }
+
+    const legacyDate = parseLegacyLocaleString(value);
+    if (legacyDate) {
+        return legacyDate;
+    }
+
+    const date = new Date(value);
+    if (!Number.isNaN(date.getTime())) {
+        return date;
+    }
+
+    throw new Error(`Invalid date value received: ${value}`);
+}
+
+export class DateTimeTransformer implements ValueTransformer {
+    to(value: Date | string | null | undefined): Date | null | undefined {
+        if (value === null || value === undefined) {
+            return value === undefined ? undefined : null;
+        }
+
+        return normalizeDate(value);
+    }
+
+    from(value: Date | string | null | undefined): Date | null | undefined {
+        if (value === null || value === undefined) {
+            return value === undefined ? undefined : null;
+        }
+
+        return normalizeDate(value);
+    }
 }

src/ORM/utils/PrimaryGeneratedBigIntColumn.ts

@@ -0,0 +1,5 @@
+import { PrimaryGeneratedColumn } from 'typeorm';
+
+export const PrimaryGeneratedBigIntColumn = () => PrimaryGeneratedColumn({
+    type: process.env.NODE_ENV === 'test' ? 'integer' : 'bigint'
+});

src/ORM/utils/TrackedEntity.entity.ts

@@ -1,14 +1,12 @@
 import { CreateDateColumn, DeleteDateColumn, UpdateDateColumn } from 'typeorm';
 
-import { DateTimeTransformer } from './DateTimeTransformer';
-
 export abstract class TrackedEntity {
-    @DeleteDateColumn({ nullable: true, type: 'datetime', transformer: new DateTimeTransformer() })
+    @DeleteDateColumn({ nullable: true })
     public deletedAt?: Date;
 
-    @CreateDateColumn({ type: 'datetime', transformer: new DateTimeTransformer() })
+    @CreateDateColumn()
     public createdAt?: Date
 
-    @UpdateDateColumn({ type: 'datetime', transformer: new DateTimeTransformer() })
+    @UpdateDateColumn()
     public updatedAt?: Date
 }

src/app.controller.ts

@@ -3,11 +3,14 @@ import { Controller, Get, Inject } from '@nestjs/common';
 import { Cache } from 'cache-manager';
 import { firstValueFrom } from 'rxjs';
 
+import { UserAgentReportService } from './ORM/_views/user-agent-report/user-agent-report.service';
 import { AddressSettingsService } from './ORM/address-settings/address-settings.service';
 import { BlocksService } from './ORM/blocks/blocks.service';
 import { ClientStatisticsService } from './ORM/client-statistics/client-statistics.service';
 import { ClientService } from './ORM/client/client.service';
+import { HomeGraphService } from './ORM/home-graph/home-graph.service';
 import { BitcoinRpcService } from './services/bitcoin-rpc.service';
+import { UserAgentReportView } from './ORM/_views/user-agent-report/user-agent-report.view';
 
 @Controller()
 export class AppController {
@@ -20,7 +23,9 @@ export class AppController {
     private readonly clientStatisticsService: ClientStatisticsService,
     private readonly blocksService: BlocksService,
     private readonly bitcoinRpcService: BitcoinRpcService,
+    private readonly homeGraphService: HomeGraphService,
     private readonly addressSettingsService: AddressSettingsService,
+    private readonly userAgentReportService: UserAgentReportService
   ) { }
 
   @Get('info')
@@ -36,9 +41,33 @@ export class AppController {
 
 
     const blockData = await this.blocksService.getFoundBlocks();
-    const userAgents = await this.clientService.getUserAgents();
     const highScores = await this.addressSettingsService.getHighScores();
 
+    const other: {
+      count: number,
+      bestDifficulty: number,
+      totalHashRate: number;
+    } = {
+      count: 0,
+      bestDifficulty: 0,
+      totalHashRate: 0
+    };
+    const userAgents: UserAgentReportView[] = (await this.userAgentReportService.getReport()).reduce((pre, cur, idx, arr) => {
+      // If less than 10Th/s and less than 100 devices, add to 'other'
+      if (parseInt(cur.totalHashRate) < 10000000000000 && parseInt(cur.count) < 200) {
+        other.totalHashRate += parseFloat(cur.totalHashRate);
+        other.count += parseInt(cur.count);
+        if (other.bestDifficulty < cur.bestDifficulty) {
+          other.bestDifficulty = cur.bestDifficulty;
+        }
+      } else {
+        pre.push(cur);
+      }
+      return pre;
+    }, []);
+
+    userAgents.push({ userAgent: 'Other', count: other.count.toString(), bestDifficulty: other.bestDifficulty, totalHashRate: other.totalHashRate.toString() })
+
     const data = {
       blockData,
       userAgents,
@@ -46,8 +75,8 @@ export class AppController {
       uptime: this.uptime
     };
 
-    //1 min
+    //5 min
-    await this.cacheManager.set(CACHE_KEY, data, 1 * 60 * 1000);
+    await this.cacheManager.set(CACHE_KEY, data, 5 * 60 * 1000);
 
     return data;
 
@@ -63,11 +92,11 @@ export class AppController {
       return cachedResult;
     }
 
+    const userAgents = await this.userAgentReportService.getReport();
 
-    const userAgents = await this.clientService.getUserAgents();
     const totalHashRate = userAgents.reduce((acc, userAgent) => acc + parseFloat(userAgent.totalHashRate), 0);
-    const totalMiners = userAgents.reduce((acc, userAgent) => acc + parseInt(userAgent.count), 0);
+    const totalMiners = userAgents.reduce((acc, userAgent) => acc + parseFloat(userAgent.count), 0);
-    const blockHeight = (await firstValueFrom(this.bitcoinRpcService.newBlock$)).blocks;
+    const blockHeight = this.bitcoinRpcService.miningInfo.blocks;
     const blocksFound = await this.blocksService.getFoundBlocks();
 
     const data = {
@@ -86,8 +115,7 @@ export class AppController {
 
   @Get('network')
   public async network() {
-    const miningInfo = await firstValueFrom(this.bitcoinRpcService.newBlock$);
+    return this.bitcoinRpcService.miningInfo;
-    return miningInfo;
   }
 
   @Get('info/chart')
@@ -101,7 +129,7 @@ export class AppController {
       return cachedResult;
     }
 
-    const chartData = await this.clientStatisticsService.getChartDataForSite();
+    const chartData = await this.homeGraphService.getChartDataForSite();
 
     //10 min
     await this.cacheManager.set(CACHE_KEY, chartData, 10 * 60 * 1000);

src/app.module.ts

@@ -1,7 +1,7 @@
 import { HttpModule } from '@nestjs/axios';
 import { CacheModule } from '@nestjs/cache-manager';
 import { Module } from '@nestjs/common';
-import { ConfigModule } from '@nestjs/config';
+import { ConfigModule, ConfigService } from '@nestjs/config';
 import { ScheduleModule } from '@nestjs/schedule';
 import { TypeOrmModule } from '@nestjs/typeorm';
 
@@ -9,11 +9,22 @@ import { AppController } from './app.controller';
 import { AddressController } from './controllers/address/address.controller';
 import { ClientController } from './controllers/client/client.controller';
 import { BitcoinAddressValidator } from './models/validators/bitcoin-address.validator';
+import { UniqueNonceIndex } from './ORM/_migrations/UniqueNonceIndex';
+import { UserAgentReportModule } from './ORM/_views/user-agent-report/user-agent-report.module';
+import { UserAgentReportView } from './ORM/_views/user-agent-report/user-agent-report.view';
+import { AddressSettingsEntity } from './ORM/address-settings/address-settings.entity';
 import { AddressSettingsModule } from './ORM/address-settings/address-settings.module';
+import { BlocksEntity } from './ORM/blocks/blocks.entity';
 import { BlocksModule } from './ORM/blocks/blocks.module';
+import { ClientStatisticsEntity } from './ORM/client-statistics/client-statistics.entity';
 import { ClientStatisticsModule } from './ORM/client-statistics/client-statistics.module';
+import { ClientEntity } from './ORM/client/client.entity';
 import { ClientModule } from './ORM/client/client.module';
+import { HomeGraphEntity } from './ORM/home-graph/home-graph.entity';
+import { HomeGraphModule } from './ORM/home-graph/home-graph.module';
+import { RpcBlockEntity } from './ORM/rpc-block/rpc-block.entity';
 import { RpcBlocksModule } from './ORM/rpc-block/rpc-block.module';
+import { TelegramSubscriptionsEntity } from './ORM/telegram-subscriptions/telegram-subscriptions.entity';
 import { TelegramSubscriptionsModule } from './ORM/telegram-subscriptions/telegram-subscriptions.module';
 import { AppService } from './services/app.service';
 import { BitcoinRpcService } from './services/bitcoin-rpc.service';
@@ -24,9 +35,7 @@ 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';
-import { ExternalSharesService } from './services/external-shares.service';
+
-import { ExternalShareController } from './controllers/external-share/external-share.controller';
-import { ExternalSharesModule } from './ORM/external-shares/external-shares.module';
 
 const ORMModules = [
     ClientStatisticsModule,
@@ -35,21 +44,42 @@ const ORMModules = [
     TelegramSubscriptionsModule,
     BlocksModule,
     RpcBlocksModule,
-    ExternalSharesModule
+    HomeGraphModule,
+    UserAgentReportModule
 ]
 
 @Module({
     imports: [
         ConfigModule.forRoot(),
-        TypeOrmModule.forRoot({
+        TypeOrmModule.forRootAsync({
-            type: 'sqlite',
+            useFactory: (configService: ConfigService) => {
-            database: './DB/public-pool.sqlite',
+                return {
-            synchronize: true,
+                    type: 'postgres',
-            autoLoadEntities: true,
+                    host: configService.get('DB_HOST'),
-            logging: false,
+                    port: parseInt(configService.get('DB_PORT')),
-            enableWAL: true,
+                    username: configService.get('DB_USERNAME'),
-            busyTimeout: 30 * 1000,
+                    password: configService.get('DB_PASSWORD'),
-
+                    database: configService.get('DB_DATABASE'),
+                    entities: [
+                        ClientEntity,
+                        AddressSettingsEntity,
+                        BlocksEntity,
+                        ClientStatisticsEntity,
+                        RpcBlockEntity,
+                        TelegramSubscriptionsEntity,
+                        HomeGraphEntity,
+                        UserAgentReportView
+                    ],
+                    synchronize: configService.get('PRODUCTION') != 'true',
+                    logging: false,
+                    poolSize: 10,
+                    migrations: [
+                        UniqueNonceIndex
+                    ]
+                }
+            },
+            imports: [ConfigModule],
+            inject: [ConfigService]
         }),
         CacheModule.register(),
         ScheduleModule.forRoot(),
@@ -59,8 +89,7 @@ const ORMModules = [
     controllers: [
         AppController,
         ClientController,
-        AddressController,
+        AddressController
-        ExternalShareController
     ],
     providers: [
         DiscordService,
@@ -72,8 +101,7 @@ const ORMModules = [
         BitcoinAddressValidator,
         StratumV1JobsService,
         BTCPayService,
-        BraiinsService,
+        BraiinsService
-        ExternalSharesService,
     ],
 })
 export class AppModule {

src/controllers/client/client.controller.spec.ts

@@ -13,7 +13,7 @@ describe('ClientController', () => {
     const module: TestingModule = await Test.createTestingModule({
       imports: [
         TypeOrmModule.forRoot({
-          type: 'sqlite',
+          type: 'better-sqlite3',
           database: ':memory:',
           synchronize: true,
           autoLoadEntities: true,

src/controllers/client/client.controller.ts

@@ -30,7 +30,7 @@ export class ClientController {
                     return {
                         sessionId: worker.sessionId,
                         name: worker.clientName,
-                        bestDifficulty: worker.bestDifficulty.toFixed(2),
+                        bestDifficulty: parseFloat(worker.bestDifficulty as any).toFixed(2),
                         hashRate: worker.hashRate,
                         startTime: worker.startTime,
                         lastSeen: worker.updatedAt
@@ -75,7 +75,7 @@ export class ClientController {
         if (worker == null) {
             return new NotFoundException();
         }
-        const chartData = await this.clientStatisticsService.getChartDataForSession(worker.address, worker.clientName, worker.sessionId);
+        const chartData = await this.clientStatisticsService.getChartDataForSession(worker.id);
 
         return {
             sessionId: worker.sessionId,

src/controllers/external-share/external-share.controller.ts

@@ -1,72 +0,0 @@
-import { Body, Controller, Post, Get, UnauthorizedException, Headers } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import { ExternalPoolShare } from '../../models/ExternalPoolShare';
-import { ExternalSharesService } from '../../ORM/external-shares/external-shares.service';
-import { DifficultyUtils } from '../../utils/difficulty.utils';
-import * as bitcoinjs from 'bitcoinjs-lib';
-
-@Controller('share')
-export class ExternalShareController {
-  private readonly apiKey: string;
-  private readonly minimumDifficulty: number;
-
-  constructor(
-    private readonly configService: ConfigService,
-    private readonly externalSharesService: ExternalSharesService,
-  ) {
-    this.apiKey = this.configService.get('SHARE_SUBMISSION_API_KEY');
-    this.minimumDifficulty = this.configService.get('MINIMUM_DIFFICULTY') || 1000000000000; // 1T
-  }
-
-  @Get('top-difficulties')
-  async getTopDifficulties() {
-    const topDifficulties = await this.externalSharesService.getTopDifficulties();
-    return topDifficulties;
-  }
-
-  @Post()
-  async submitExternalShare(
-    @Body() externalShare: ExternalPoolShare,
-    @Headers('x-api-key') apiKey: string,
-  ) {
-    // Only validate API key if one is configured
-    if (this.apiKey && apiKey !== this.apiKey) {
-      throw new UnauthorizedException('Invalid API key');
-    }
-
-    // Validate the header hash matches claimed difficulty
-    const headerBuffer = Buffer.from(externalShare.header, 'hex');
-    const { submissionDifficulty: difficulty } = DifficultyUtils.calculateDifficulty(headerBuffer);
-
-    // Verify the calculated difficulty matches or exceeds minimum difficulty
-    if (difficulty < this.minimumDifficulty) {
-      throw new UnauthorizedException('Share difficulty too low');
-    }
-
-    const block = bitcoinjs.Block.fromBuffer(headerBuffer);
-
-    const tenMinutesAgo = Math.floor(Date.now() / 1000) - (10 * 60);
-
-    if (block.timestamp < tenMinutesAgo) {
-      throw new UnauthorizedException('Share timestamp too old - must be within last 10 minutes');
-    }
-
-    // Store share submission
-    await this.externalSharesService.insert({
-      address: externalShare.address,
-      clientName: externalShare.worker,
-      time: new Date().getTime(),
-      difficulty: difficulty,
-      userAgent: externalShare.userAgent,
-      externalPoolName: externalShare.externalPoolName,
-      header: externalShare.header
-    });
-
-    console.log(`Accepted external share. ${difficulty}`);
-
-    return {
-      success: true,
-      calculatedDifficulty: difficulty,
-    };
-  }
-}

src/main.ts

@@ -3,32 +3,35 @@ import { NestFactory } from '@nestjs/core';
 import { FastifyAdapter, NestFastifyApplication } from '@nestjs/platform-fastify';
 import * as bitcoinjs from 'bitcoinjs-lib';
 import { useContainer } from 'class-validator';
-import { readFileSync } from 'fs';
+import { readFileSync, watch } from 'fs';
+import * as path from 'path';
 import * as ecc from 'tiny-secp256k1';
 
 import { AppModule } from './app.module';
 
 async function bootstrap() {
-
   if (process.env.API_PORT == null) {
     console.error('It appears your environment is not configured, create and populate an .env file.');
     return;
   }
 
-  let options = {};
+  const secure = process.env.API_SECURE?.toLowerCase() === 'true';
-  const secure = process.env.API_SECURE?.toLowerCase() == 'true';
+  const currentDirectory = process.cwd();
+  const keyPath = path.join(currentDirectory, 'secrets', 'key.pem');
+  const certPath = path.join(currentDirectory, 'secrets', 'cert.pem');
+
+  let options: any = {};
   if (secure) {
-    const currentDirectory = process.cwd();
     options = {
       https: {
-        key: readFileSync(`${currentDirectory}/secrets/key.pem`),
+        key: readFileSync(keyPath),
-        cert: readFileSync(`${currentDirectory}/secrets/cert.pem`),
+        cert: readFileSync(certPath),
       }
     };
   }
 
   const app = await NestFactory.create<NestFastifyApplication>(AppModule, new FastifyAdapter(options));
-  app.setGlobalPrefix('api')
+  app.setGlobalPrefix('api');
   app.useGlobalPipes(
     new ValidationPipe({
       transform: true,
@@ -51,13 +54,53 @@ async function bootstrap() {
   app.enableCors();
   useContainer(app.select(AppModule), { fallbackOnErrors: true });
 
-  //Taproot
+  // Taproot
   bitcoinjs.initEccLib(ecc);
 
   await app.listen(process.env.API_PORT, '0.0.0.0', (err, address) => {
+    if (err) {
+      console.error(err);
+      process.exit(1);
+    }
     console.log(`API listening on ${address}`);
   });
 
+  // --- Live-reload TLS certs/keys when they change on disk ---
+  if (secure) {
+    // Fastify's underlying Node https server
+    const server: any = app.getHttpServer();
+
+    // Guard: only HTTPS servers expose setSecureContext
+    if (typeof server?.setSecureContext === 'function') {
+      let reloadTimer: NodeJS.Timeout | null = null;
+
+      const scheduleReload = () => {
+        if (reloadTimer) clearTimeout(reloadTimer);
+        // Debounce multiple fs events during a single write/replace
+        reloadTimer = setTimeout(() => {
+          try {
+            const key = readFileSync(keyPath);
+            const cert = readFileSync(certPath);
+            server.setSecureContext({ key, cert });
+            console.log(`[TLS] Reloaded certificate @ ${new Date().toISOString()}`);
+          } catch (e) {
+            console.error('[TLS] Failed to reload certificate:', e);
+          }
+        }, 500);
+      };
+
+      // Watch both files; handle 'change' and 'rename' (rename often fired on atomic replace)
+      try {
+        watch(keyPath, { persistent: true }, scheduleReload);
+        watch(certPath, { persistent: true }, scheduleReload);
+        console.log('[TLS] Watching cert/key for changes');
+      } catch (e) {
+        console.error('[TLS] Failed to watch cert/key files:', e);
+      }
+    } else {
+      console.warn('[TLS] Dynamic cert reload not available (non-HTTPS server?)');
+    }
+  }
 }
 
 bootstrap();

src/models/ExternalPoolShare.ts

@@ -1,27 +0,0 @@
-import { IsString, Matches, MaxLength } from 'class-validator';
-import { Transform } from 'class-transformer';
-import { IsBitcoinAddress } from './validators/bitcoin-address.validator';
-
-export class ExternalPoolShare {
-  @IsString()
-  @MaxLength(64)
-  worker: string;
-
-  @IsString()
-  @IsBitcoinAddress()
-  address: string;
-
-  @IsString()
-  @MaxLength(128)
-  userAgent: string;
-
-  @IsString()
-  @MaxLength(128)
-  externalPoolName: string;
-
-  @IsString()
-  @Matches(/^[0-9a-fA-F]+$/, { 
-    message: 'Header must be a valid hex string'
-  })
-  header: string;
-}

src/models/MiningJob.spec.ts

@@ -1,295 +1,140 @@
-import { ConfigService } from '@nestjs/config';
-import { Test, TestingModule } from '@nestjs/testing';
 import * as bitcoinjs from 'bitcoinjs-lib';
 import { BehaviorSubject, firstValueFrom } from 'rxjs';
 
 import { MockRecording1 } from '../../test/models/MockRecording1';
-import { IMiningInfo } from './bitcoin-rpc/IMiningInfo';
+import { StratumV1JobsService } from '../services/stratum-v1-jobs.service';
-import { IJobTemplate, StratumV1JobsService } from '../services/stratum-v1-jobs.service';
 import { MiningJob } from './MiningJob';
 
-function hexToAscii(hex: string): string {
-    let ascii = '';
-    for (let i = 0; i < hex.length; i += 2) {
-        const char = String.fromCharCode(parseInt(hex.substr(i, 2), 16));
-        if (char !== '\0') {  // Ignore null characters to make sure string matching works
-            ascii += char;
-        }
-    }
-    return ascii;
-}
-
-function extractPoolIdentifierFromScript(coinbaseHex: string) {
-    let offset = 8 + 2 + 64 + 8;  // Skip Version, Input Count, Previous Transaction Hash, Previous Output Index
-
-    // Coinbase Data Length (1 byte / 2 hex characters)
-    const coinbaseDataLengthHex = coinbaseHex.substr(offset, 2);
-    const coinbaseDataLength = parseInt(coinbaseDataLengthHex, 16);
-    offset += 2;
-
-    // Coinbase Data (coinbaseDataLength * 2 hex characters)
-    const coinbaseDataHex = coinbaseHex.substr(offset, coinbaseDataLength * 2);
-
-    const coinbaseDataAscii = hexToAscii(coinbaseDataHex);
-
-    return coinbaseDataAscii;
-}
-
 describe('MiningJob', () => {
-    let moduleRef: TestingModule;
+    let jobTemplate;
-    let configService: ConfigService;
+    let job: MiningJob;
-    let block: bitcoinjs.Block;
-    let jobTemplate: IJobTemplate;
-    let payoutInformation: any[];
 
+    beforeEach(async () => {
+        jest.useFakeTimers();
+        jest.setSystemTime(new Date(parseInt(MockRecording1.TIME, 16) * 1000));
 
-    beforeAll(async () => {
+        const blockTemplate$ = new BehaviorSubject(MockRecording1.BLOCK_TEMPLATE);
-        moduleRef = await Test.createTestingModule({
+        const bitcoinRpcService = {
-            providers: [
+            newBlockTemplate$: blockTemplate$.asObservable(),
-                {
+            miningInfo: { blocks: MockRecording1.BLOCK_TEMPLATE.height }
-                    provide: ConfigService,
+        };
-                    useValue: {
+        jest.spyOn(console, 'log').mockImplementation(() => undefined);
-                        get: jest.fn(() => null)
+
-                    }
+        const jobsService = new StratumV1JobsService(bitcoinRpcService as any);
-                }
+        jobTemplate = await firstValueFrom(jobsService.newMiningJob$);
-            ],
+        job = new MiningJob(
-        }).compile();
+            bitcoinjs.networks.testnet,
-        configService = moduleRef.get<ConfigService>(ConfigService);
+            '1',
+            [{ address: 'tb1qumezefzdeqqwn5zfvgdrhxjzc5ylr39uhuxcz4', percent: 100 }],
+            jobTemplate
+        );
     });
 
-    describe('constructor', () => {
+    afterEach(() => {
-        beforeEach(() => {
+        jest.restoreAllMocks();
-
+        jest.useRealTimers();
-            console.warn = jest.fn((message: string) => console.log('WARN:', message));
-            configService.get = jest.fn(() => null);
-            payoutInformation = [
-                {
-                    address: 'tb1qr2ylpdgp9ejpt6v2uxlqrn9penp82rzz2grnns',
-                    percent: 100,
-                }
-            ];
-            block = new bitcoinjs.Block();
-            block.witnessCommit = Buffer.from('000');
-            block.prevHash = Buffer.from('000');
-            block.merkleRoot = Buffer.from('000');
-            block.transactions = [];
-
-            const maxTransactions = 7545; // this is only for block weight calculation, other metrics like operations are not considered because they are not affected by the size of the pool identifier
-            for (let i = 0; i < maxTransactions; i++) {
-                block.transactions.push(bitcoinjs.Transaction.fromHex("010000000001017405e391018c5e9dc79f324f9607c9c46d21b02f66dabaa870b4add871d6379f01000000171600148d7a0a3461e3891723e5fdf8129caa0075060cffffffffff01fcf60200000000001600148d7a0a3461e3891723e5fdf8129caa0075060cff0248304502210088025cffdaf69d310c6fed11832edd9c19b6a912c132262701ad0e6133227d9202207d73bbf777abd2aeae995d684e6bb1a048c5ac722e16de48bdd35643df7decf001210283409659355b6d1cc3c32decd5d561abaac86c37a353b52895a5e6c196d6f44800000000"));
-            }
-
-            jobTemplate = {
-                block: block,
-                merkle_branch: [],
-                blockData: {
-                    id: '1',
-                    creation: Date.now(),
-                    coinbasevalue: 0,
-                    networkDifficulty: 0,
-                    height: 0,
-                    clearJobs: false,
-                }
-            } as IJobTemplate;
-        });
-
-        afterEach(() => {
-            jest.restoreAllMocks();
-        });
-
-        it('should create a new MiningJob if POOL_IDENTIFIER is not set and use the default', () => {
-            const expectedMiningIdentifier = 'Public-Pool';
-            expect(jobTemplate.block).toBeDefined();
-            const miningJob = new MiningJob(configService, bitcoinjs.networks.testnet, '1', payoutInformation, jobTemplate);
-
-            const response = JSON.parse(miningJob.response(jobTemplate));
-
-            const miningIdentifier = extractPoolIdentifierFromScript(response.params[2]);
-            expect(miningIdentifier).toBe(expectedMiningIdentifier);
-            expect(console.warn).not.toBeCalled();
-        });
-
-        it('should use the POOL_IDENTIFIER if it doesn\'t make the script size too big', () => {
-            const expectedMiningIdentifier = 'My Mining Pool';
-
-            configService.get = jest.fn((key: string) => {
-                switch (key) {
-                    case 'POOL_IDENTIFIER': return expectedMiningIdentifier;
-                }
-                return null;
-            });
-
-            const miningJob = new MiningJob(configService, bitcoinjs.networks.testnet, '1', payoutInformation, jobTemplate);
-            const response = JSON.parse(miningJob.response(jobTemplate));
-
-            const miningIdentifier = extractPoolIdentifierFromScript(response.params[2]);
-            expect(miningIdentifier).toBe(expectedMiningIdentifier);
-            expect(console.warn).not.toBeCalled();
-
-        });
-
-        it('should remove pool identifier if block is too big with identifier', () => {
-            const expectedMiningIdentifier = '';
-
-            configService.get = jest.fn((key: string) => {
-                switch (key) {
-                    case 'POOL_IDENTIFIER': return 'A'.repeat(84);
-                }
-                return null;
-            });
-
-            const miningJob = new MiningJob(configService, bitcoinjs.networks.testnet, '1', payoutInformation, jobTemplate);
-            const response = JSON.parse(miningJob.response(jobTemplate));
-
-            const miningIdentifier = extractPoolIdentifierFromScript(response.params[2]);
-            expect(console.warn).toBeCalledWith('Block weight exceeds the maximum allowed weight, removing the pool identifier');
-            expect(miningIdentifier).toBe(expectedMiningIdentifier);
-        });
-
-        it('should use the POOL_IDENTIFIER if it doesn\'t make the script size too big with identifier abcabc', () => {
-
-            jobTemplate.block.transactions = []; // remove transactions because we only want to test the script size
-            const expectedMiningIdentifier = 'A'.repeat(84); // 84 chars fits after reserving 12 bytes for extranonce space
-            configService.get = jest.fn((key: string) => {
-                switch (key) {
-                    case 'POOL_IDENTIFIER': return expectedMiningIdentifier;
-                }
-                return null;
-            });
-
-            const miningJob = new MiningJob(configService, bitcoinjs.networks.testnet, '1', payoutInformation, jobTemplate);
-            const response = JSON.parse(miningJob.response(jobTemplate));
-
-            const miningIdentifier = extractPoolIdentifierFromScript(response.params[2]);
-            expect(miningIdentifier).toBe(expectedMiningIdentifier);
-            expect(console.warn).not.toBeCalled();
-        });
-
-        it('should remove pool identifier if script is too big with identifier', () => {
-            const expectedMiningIdentifier = '';
-            jobTemplate.block.transactions = []; // remove transactions because we only want to test the script size
-            configService.get = jest.fn((key: string) => {
-                switch (key) {
-                    case 'POOL_IDENTIFIER': return 'A'.repeat(85);
-                }
-                return null;
-            });
-
-            const miningJob = new MiningJob(configService, bitcoinjs.networks.testnet, '1', payoutInformation, jobTemplate);
-            const response = JSON.parse(miningJob.response(jobTemplate));
-
-            const miningIdentifier = extractPoolIdentifierFromScript(response.params[2]);
-            expect(console.warn).toBeCalledWith('Pool identifier is too long, removing the pool identifier');
-            expect(miningIdentifier).toBe(expectedMiningIdentifier);
-        });
     });
 
-    describe('block updates', () => {
+    it('should split coinbase around 12 bytes of extranonce space', () => {
-        let job: MiningJob;
+        const notify = JSON.parse(job.response(jobTemplate));
+        const coinbasePart1 = notify.params[2];
+        const coinbasePart2 = notify.params[3];
+        const extraNonce1 = '57a6f098';
+        const extraNonce2 = 'c708000000000000';
+        const coinbase = bitcoinjs.Transaction.fromHex(`${coinbasePart1}${extraNonce1}${extraNonce2}${coinbasePart2}`);
 
-        beforeEach(async () => {
+        expect(Buffer.byteLength(extraNonce1 + extraNonce2, 'hex')).toBe(12);
-            jest.useFakeTimers();
+        expect(coinbase.ins[0].script.toString('hex')).toContain(`${extraNonce1}${extraNonce2}`);
-            jest.setSystemTime(new Date(parseInt(MockRecording1.TIME, 16) * 1000));
+        expect(coinbase.ins[0].script.toString('hex').endsWith(`${extraNonce1}${extraNonce2}`)).toBe(true);
-            configService.get = jest.fn(() => null);
+    });
 
-            const miningInfo$ = new BehaviorSubject<IMiningInfo>({
+    it('should update block nonce, timestamp, version mask, and coinbase script', () => {
-                blocks: MockRecording1.BLOCK_TEMPLATE.height
+        const extraNonce1 = '57a6f098';
-            } as IMiningInfo);
+        const extraNonce2 = 'c708000000000000';
-            const bitcoinRpcService = {
+        const timestamp = parseInt(MockRecording1.TIME, 16);
-                newBlock$: miningInfo$.asObservable(),
+        const originalMerkleRoot = Buffer.from(jobTemplate.block.merkleRoot);
-                getBlockTemplate: jest.fn().mockResolvedValue(MockRecording1.BLOCK_TEMPLATE)
-            };
-            jest.spyOn(console, 'log').mockImplementation(() => undefined);
 
-            const jobsService = new StratumV1JobsService(bitcoinRpcService as any);
+        const updatedBlock = job.copyAndUpdateBlock(
-            jobTemplate = await firstValueFrom(jobsService.newMiningJob$);
+            jobTemplate,
-            job = new MiningJob(
+            parseInt('00002000', 16),
-                configService,
+            parseInt('ed460d91', 16),
-                bitcoinjs.networks.testnet,
+            extraNonce1,
-                '1',
+            extraNonce2,
-                [{ address: 'tb1qumezefzdeqqwn5zfvgdrhxjzc5ylr39uhuxcz4', percent: 100 }],
+            timestamp
-                jobTemplate
+        );
-            );
-        });
 
-        afterEach(() => {
+        expect(updatedBlock.nonce).toBe(parseInt('ed460d91', 16));
-            jest.restoreAllMocks();
+        expect(updatedBlock.timestamp).toBe(timestamp);
-            jest.useRealTimers();
+        expect(updatedBlock.version).toBe(jobTemplate.block.version ^ parseInt('00002000', 16));
-        });
+        expect(updatedBlock.transactions[0].ins[0].script.toString('hex').endsWith(`${extraNonce1}${extraNonce2}`)).toBe(true);
+        expect(updatedBlock.merkleRoot.equals(originalMerkleRoot)).toBe(false);
+    });
 
-        it('should split coinbase around 12 bytes of extranonce space', () => {
+    it('should leave block version unchanged without a version mask', () => {
-            const notify = JSON.parse(job.response(jobTemplate));
+        const updatedBlock = job.copyAndUpdateBlock(
-            const coinbasePart1 = notify.params[2];
+            jobTemplate,
-            const coinbasePart2 = notify.params[3];
+            0,
-            const extraNonce1 = '57a6f098';
+            parseInt('ed460d91', 16),
-            const extraNonce2 = 'c708000000000000';
+            '57a6f098',
-            const coinbase = bitcoinjs.Transaction.fromHex(`${coinbasePart1}${extraNonce1}${extraNonce2}${coinbasePart2}`);
+            'c708000000000000',
+            parseInt(MockRecording1.TIME, 16)
+        );
 
-            expect(Buffer.byteLength(extraNonce1 + extraNonce2, 'hex')).toBe(12);
+        expect(updatedBlock.version).toBe(jobTemplate.block.version);
-            expect(coinbase.ins[0].script.toString('hex')).toContain(`${extraNonce1}${extraNonce2}`);
+    });
-            expect(coinbase.ins[0].script.toString('hex').endsWith(`${extraNonce1}${extraNonce2}`)).toBe(true);
-        });
 
-        it('should update block nonce, timestamp, version mask, and coinbase script', () => {
+    it('should build the same header as the full block update path', () => {
-            const extraNonce1 = '57a6f098';
+        const versionMask = parseInt('00002000', 16);
-            const extraNonce2 = 'c708000000000000';
+        const nonce = parseInt('ed460d91', 16);
-            const timestamp = parseInt(MockRecording1.TIME, 16);
+        const extraNonce1 = '57a6f098';
-            const originalMerkleRoot = Buffer.from(jobTemplate.block.merkleRoot);
+        const extraNonce2 = 'c708000000000000';
+        const timestamp = parseInt(MockRecording1.TIME, 16);
 
-            const updatedBlock = job.copyAndUpdateBlock(
+        const updatedBlock = job.copyAndUpdateBlock(
-                jobTemplate,
+            jobTemplate,
-                parseInt('00002000', 16),
+            versionMask,
-                parseInt('ed460d91', 16),
+            nonce,
-                extraNonce1,
+            extraNonce1,
-                extraNonce2,
+            extraNonce2,
-                timestamp
+            timestamp
-            );
+        );
+        const fastHeader = job.buildHeaderBuffer(
+            jobTemplate,
+            versionMask,
+            nonce,
+            extraNonce1,
+            extraNonce2,
+            timestamp
+        );
 
-            expect(updatedBlock.nonce).toBe(parseInt('ed460d91', 16));
+        expect(fastHeader.equals(updatedBlock.toBuffer(true))).toBe(true);
-            expect(updatedBlock.timestamp).toBe(timestamp);
+    });
-            expect(updatedBlock.version).toBe(jobTemplate.block.version ^ parseInt('00002000', 16));
-            expect(updatedBlock.transactions[0].ins[0].script.toString('hex').endsWith(`${extraNonce1}${extraNonce2}`)).toBe(true);
-            expect(updatedBlock.merkleRoot.equals(originalMerkleRoot)).toBe(false);
-        });
 
-        it('should leave block version unchanged without a version mask', () => {
+    it('should expose coinbase helpers for downstream validation', () => {
-            const updatedBlock = job.copyAndUpdateBlock(
+        const notify = JSON.parse(job.response(jobTemplate));
-                jobTemplate,
-                0,
-                parseInt('ed460d91', 16),
-                '57a6f098',
-                'c708000000000000',
-                parseInt(MockRecording1.TIME, 16)
-            );
 
-            expect(updatedBlock.version).toBe(jobTemplate.block.version);
+        expect(job.getCoinbaseTxHex()).toContain(notify.params[2]);
-        });
+        expect(job.getCoinbasePrefixBuffer().toString('hex')).toBe(notify.params[2]);
+        expect(job.getCoinbaseSuffixBuffer().toString('hex')).toBe(notify.params[3]);
+        const clone = job.cloneCoinbaseTransaction();
+        const nonWitnessCoinbase = bitcoinjs.Transaction.fromHex(job.getCoinbaseTxHex());
+        expect(clone.ins[0].script.toString('hex')).toBe(nonWitnessCoinbase.ins[0].script.toString('hex'));
+        expect(clone.outs).toHaveLength(nonWitnessCoinbase.outs.length);
+        expect(clone.ins[0].witness[0]).toHaveLength(32);
+    });
 
-        it('should build the same header as the full block update path', () => {
+    it('should omit oversized pool identifiers from the coinbase script', () => {
-            const versionMask = parseInt('00002000', 16);
+        jest.spyOn(console, 'warn').mockImplementation(() => undefined);
-            const nonce = parseInt('ed460d91', 16);
+        const oversizedIdentifier = 'x'.repeat(120);
-            const extraNonce1 = '57a6f098';
+        const oversizedJob = new MiningJob(
-            const extraNonce2 = 'c708000000000000';
+            bitcoinjs.networks.testnet,
-            const timestamp = parseInt(MockRecording1.TIME, 16);
+            '2',
+            [{ address: 'tb1qumezefzdeqqwn5zfvgdrhxjzc5ylr39uhuxcz4', percent: 100 }],
+            jobTemplate,
+            oversizedIdentifier
+        );
+        const coinbase = bitcoinjs.Transaction.fromHex(oversizedJob.getCoinbaseTxHex());
 
-            const updatedBlock = job.copyAndUpdateBlock(
+        expect(coinbase.ins[0].script.toString()).not.toContain(oversizedIdentifier);
-                jobTemplate,
-                versionMask,
-                nonce,
-                extraNonce1,
-                extraNonce2,
-                timestamp
-            );
-            const fastHeader = job.buildHeaderBuffer(
-                jobTemplate,
-                versionMask,
-                nonce,
-                extraNonce1,
-                extraNonce2,
-                timestamp
-            );
-
-            expect(fastHeader.equals(updatedBlock.toBuffer(true))).toBe(true);
-        });
     });
 });

src/models/MiningJob.ts

@@ -3,12 +3,11 @@ import * as bitcoinjs from 'bitcoinjs-lib';
 
 import { IJobTemplate } from '../services/stratum-v1-jobs.service';
 import { eResponseMethod } from './enums/eResponseMethod';
-import { IMiningNotify } from './stratum-messages/IMiningNotify';
-import { ConfigService } from '@nestjs/config';
 import { TOTAL_EXTRANONCE_SIZE_BYTES } from './stratum.constants';
 
 const MAX_BLOCK_WEIGHT = 4000000;
-const MAX_SCRIPT_SIZE = 100; //   https://github.com/bitcoin/bitcoin/blob/ffdc3d6060f6e65e69cf115a13b83e6eb4a0a0a8/src/consensus/tx_check.cpp#L49
+const MAX_SCRIPT_SIZE = 100;
+
 interface AddressObject {
     address: string;
     percent: number;
@@ -21,17 +20,19 @@ export class MiningJob {
     private coinbasePart1Buffer: Buffer;
     private coinbasePart2Buffer: Buffer;
     private merkleBranchBuffers: Buffer[];
+    private notifyStaticParams: string;
 
     public jobTemplateId: string;
     public networkDifficulty: number;
     public creation: number;
+    public retiredAt?: number;
 
     constructor(
-        configService: ConfigService,
         private network: bitcoinjs.networks.Network,
         public jobId: string,
         payoutInformation: AddressObject[],
-        jobTemplate: IJobTemplate
+        jobTemplate: IJobTemplate,
+        poolIdentifier: string = process.env.POOL_IDENTIFIER || 'Public-Pool'
     ) {
 
         this.creation = new Date().getTime();
@@ -48,9 +49,7 @@ export class MiningJob {
         //    32-byte - Commitment hash: Double-SHA256(witness root hash|witness reserved value)
 
         //    39th byte onwards: Optional data with no consensus meaning
-        // Initial pool identifier
+        const extra = Buffer.from(poolIdentifier);
-        let poolIdentifier = configService.get('POOL_IDENTIFIER') || 'Public-Pool';
-        let extra = Buffer.from(poolIdentifier);
 
         // Encode the block height
         // https://github.com/bitcoin/bips/blob/master/bip-0034.mediawiki
@@ -59,25 +58,23 @@ export class MiningJob {
         // Get the length of the block height encoding
         const blockHeightLengthByte = Buffer.from([blockHeightEncoded.length]);
 
-        // Generate padding and take length of encode blockHeight into account
+        // generate padding and take length of encode blockHeight into account
         const padding = Buffer.alloc(TOTAL_EXTRANONCE_SIZE_BYTES + (3 - blockHeightEncoded.length), 0)
 
-        // Build the script
+        // build the script
         let script = Buffer.concat([blockHeightLengthByte, blockHeightEncoded, extra, padding]);
-        // Check if the pool identifier is too long
         if (script.length > MAX_SCRIPT_SIZE) {
             console.warn('Pool identifier is too long, removing the pool identifier');
             script = Buffer.concat([blockHeightLengthByte, blockHeightEncoded, padding]);
         }
 
         this.coinbaseTransaction.ins[0].script = script;
+
         this.coinbaseTransaction.addOutput(bitcoinjs.script.compile([bitcoinjs.opcodes.OP_RETURN, Buffer.concat([segwitMagicBits, jobTemplate.block.witnessCommit])]), 0);
 
-        // Check if the pool identifier is too long
         if ((this.coinbaseTransaction.weight() + jobTemplate.block.weight()) > MAX_BLOCK_WEIGHT) {
             console.warn('Block weight exceeds the maximum allowed weight, removing the pool identifier');
-            let script = Buffer.concat([blockHeightLengthByte, blockHeightEncoded, padding]);
+            this.coinbaseTransaction.ins[0].script = Buffer.concat([blockHeightLengthByte, blockHeightEncoded, padding]);
-            this.coinbaseTransaction.ins[0].script = script;
         }
 
         // get the non-witness coinbase tx
@@ -92,8 +89,30 @@ export class MiningJob {
         this.coinbasePart2 = serializedCoinbaseTx.slice(partOneIndex);
         this.coinbasePart1Buffer = Buffer.from(this.coinbasePart1, 'hex');
         this.coinbasePart2Buffer = Buffer.from(this.coinbasePart2, 'hex');
+        this.notifyStaticParams = JSON.stringify([
+            this.swapEndianWords(jobTemplate.block.prevHash).toString('hex'),
+            this.coinbasePart1,
+            this.coinbasePart2,
+            jobTemplate.merkle_branch,
+            jobTemplate.block.version.toString(16),
+            jobTemplate.block.bits.toString(16),
+            jobTemplate.block.timestamp.toString(16),
+            jobTemplate.blockData.clearJobs
+        ]).slice(1);
 
+    }
 
+    public getCoinbaseTxHex(): string {
+        //@ts-ignore
+        return this.coinbaseTransaction.__toBuffer().toString('hex');
+    }
+
+    public getCoinbasePrefixBuffer(): Buffer {
+        return Buffer.from(this.coinbasePart1Buffer);
+    }
+
+    public getCoinbaseSuffixBuffer(): Buffer {
+        return Buffer.from(this.coinbasePart2Buffer);
     }
 
     public cloneCoinbaseTransaction(): bitcoinjs.Transaction {
@@ -227,24 +246,7 @@ export class MiningJob {
     }
 
     public response(jobTemplate: IJobTemplate): string {
-
+        return `{"id":null,"method":"${eResponseMethod.MINING_NOTIFY}","params":[${JSON.stringify(this.jobId)},${this.notifyStaticParams}}\n`;
-        const job: IMiningNotify = {
-            id: null,
-            method: eResponseMethod.MINING_NOTIFY,
-            params: [
-                this.jobId,
-                this.swapEndianWords(jobTemplate.block.prevHash).toString('hex'),
-                this.coinbasePart1,
-                this.coinbasePart2,
-                jobTemplate.merkle_branch,
-                jobTemplate.block.version.toString(16),
-                jobTemplate.block.bits.toString(16),
-                jobTemplate.block.timestamp.toString(16),
-                jobTemplate.blockData.clearJobs
-            ]
-        };
-
-        return JSON.stringify(job) + '\n';
     }
 
 

src/models/StratumV1Client.spec.ts

@@ -20,9 +20,8 @@ import { BitcoinRpcService as MockBitcoinRpcService } from '../services/bitcoin-
 import { NotificationService } from '../services/notification.service';
 import { StratumV1JobsService } from '../services/stratum-v1-jobs.service';
 import { IBlockTemplate } from './bitcoin-rpc/IBlockTemplate';
-import { IMiningInfo } from './bitcoin-rpc/IMiningInfo';
 import { MiningJob } from './MiningJob';
-import { StratumV1Client } from './StratumV1Client';
+import { effectiveJobDifficulty, StratumV1Client } from './StratumV1Client';
 import { MiningSubmitMessage } from './stratum-messages/MiningSubmitMessage';
 
 
@@ -49,7 +48,6 @@ describe('StratumV1Client', () => {
     let clientStatisticsService: ClientStatisticsService;
     let notificationService: NotificationService;
     let blocksService: BlocksService;
-    let externalSharesService;
     let configService: ConfigService;
 
     let client: StratumV1Client;
@@ -60,9 +58,7 @@ describe('StratumV1Client', () => {
     let consoleErrorSpy: jest.SpyInstance;
     let consoleWarnSpy: jest.SpyInstance;
 
-    let newBlockEmitter: BehaviorSubject<IMiningInfo> = new BehaviorSubject({
+    let newBlockEmitter: BehaviorSubject<IBlockTemplate> = new BehaviorSubject(MockRecording1.BLOCK_TEMPLATE);
-        blocks: MockRecording1.BLOCK_TEMPLATE.height
-    } as IMiningInfo);
 
     let moduleRef: TestingModule;
 
@@ -70,7 +66,7 @@ describe('StratumV1Client', () => {
         moduleRef = await Test.createTestingModule({
             imports: [
                 TypeOrmModule.forRoot({
-                    type: 'sqlite',
+                    type: 'better-sqlite3',
                     database: ':memory:',
                     synchronize: true,
                     autoLoadEntities: true,
@@ -113,7 +109,6 @@ describe('StratumV1Client', () => {
         consoleWarnSpy = jest.spyOn(console, 'warn').mockImplementation(() => undefined);
 
         clientService = moduleRef.get<ClientService>(ClientService);
-        clientService.insertQueue = [];
 
         const dataSource = moduleRef.get<DataSource>(DataSource);
 
@@ -137,9 +132,11 @@ describe('StratumV1Client', () => {
         (StratumV1Client as any).blockedUserAgentLogState.clear();
         (StratumV1Client as any).validationErrorLogState.clear();
 
-        bitcoinRpcService = new MockBitcoinRpcService(configService,null);
+        bitcoinRpcService = {
-        jest.spyOn(bitcoinRpcService, 'getBlockTemplate').mockReturnValue(Promise.resolve(MockRecording1.BLOCK_TEMPLATE));
+            newBlockTemplate$: newBlockEmitter.asObservable(),
-        bitcoinRpcService.newBlock$ = newBlockEmitter.asObservable();
+            miningInfo: { blocks: MockRecording1.BLOCK_TEMPLATE.height },
+            SUBMIT_BLOCK: jest.fn().mockResolvedValue(null)
+        } as any;
 
 
         stratumV1JobsService = new StratumV1JobsService(bitcoinRpcService);
@@ -164,9 +161,6 @@ describe('StratumV1Client', () => {
         blocksService = {
             save: jest.fn().mockResolvedValue(undefined)
         } as any;
-        externalSharesService = {
-            submitShare: jest.fn().mockResolvedValue(undefined)
-        };
 
 
         client = new StratumV1Client(
@@ -178,8 +172,7 @@ describe('StratumV1Client', () => {
             notificationService,
             blocksService,
             configService,
-            addressSettings,
+            addressSettings
-            externalSharesService
         );
 
         client.extraNonceAndSessionId = MockRecording1.EXTRA_NONCE;
@@ -206,6 +199,27 @@ describe('StratumV1Client', () => {
         expect(socket.on).toHaveBeenCalled();
     });
 
+    it('should process batched socket messages sequentially', async () => {
+        const calls: string[] = [];
+        jest.spyOn(client as any, 'handleMessage').mockImplementation(async (message: string) => {
+            calls.push(`start:${message}`);
+            await Promise.resolve();
+            calls.push(`end:${message}`);
+        });
+
+        socketEmitter(Buffer.from('first\nsecond\n'));
+        await Promise.resolve();
+        await Promise.resolve();
+        await Promise.resolve();
+
+        expect(calls).toEqual([
+            'start:first',
+            'end:first',
+            'start:second',
+            'end:second',
+        ]);
+    });
+
     it('should respond to mining.subscribe', async () => {
         jest.spyOn(socket, 'write').mockImplementation((data) => true);
 
@@ -274,8 +288,7 @@ describe('StratumV1Client', () => {
             notificationService,
             blocksService,
             configService,
-            moduleRef.get<AddressSettingsService>(AddressSettingsService),
+            moduleRef.get<AddressSettingsService>(AddressSettingsService)
-            externalSharesService
         );
 
         socketEmitter(Buffer.from(`{"id":1,"method":"mining.subscribe","params":["NMMiner/1.0"]}\n`));
@@ -336,8 +349,6 @@ describe('StratumV1Client', () => {
         await new Promise((r) => setTimeout(r, 100));
         emitMessage(MockRecording1.MINING_SUBMIT);
         await new Promise((r) => setTimeout(r, 100));
-        await clientService.insertClients();
-        await new Promise((r) => setTimeout(r, 100));
 
         const clientCount = await clientService.connectedClientCount();
         expect(clientCount).toBe(1);
@@ -367,16 +378,10 @@ describe('StratumV1Client', () => {
 
         await new Promise((r) => setTimeout(r, 100));
 
-        const notifyCall = (client as any).write.mock.calls
-            .map(call => call[0])
-            .find((message: string) => message.includes('"method":"mining.notify"'));
-        const notify = JSON.parse(notifyCall);
 
-        expect(notify.params[0]).toBe('1');
+
-        expect(notify.params[5]).toBe('20000000');
+
-        expect(notify.params[6]).toBe('192495f8');
+        expect((client as any).write).lastCalledWith(`{"id":null,"method":"mining.notify","params":["1","171592f223740e92d223f6e68bff25279af7ac4f2246451e0000000200000000","02000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1b03c943255075626c69632d506f6f6c","ffffffff02b59f250000000000160014e6f22ca44dc800e9d049621a3b9a42c509f1c4bc0000000000000000266a24aa21a9edbd3d1d916aa0b57326a2d88ebe1b68a1d7c48585f26d8335fe6a94b62755f64c00000000",["175335649d5e8746982969ec88f52e85ac9917106fba5468e699c8879ab974a1","d5644ab3e708c54cd68dc5aedc92b8d3037449687f92ec41ed6e37673d969d4a","5c9ec187517edc0698556cca5ce27e54c96acb014770599ed9df4d4937fbf2b0"],"20000000","192495f8","${MockRecording1.TIME}",true]}\n`);
-        expect(notify.params[7]).toBe(MockRecording1.TIME);
-        expect(notify.params[8]).toBe(true);
 
 
         emitMessage(MockRecording1.MINING_SUBMIT);
@@ -400,8 +405,6 @@ describe('StratumV1Client', () => {
         await new Promise((r) => setTimeout(r, 100));
 
         emitMessage(MockRecording1.MINING_SUBMIT);
-        await new Promise((r) => setTimeout(r, 100));
-        await clientService.insertClients();
         jest.useRealTimers();
         await new Promise((r) => setTimeout(r, 1000));
 
@@ -452,8 +455,6 @@ describe('StratumV1Client', () => {
         await new Promise((r) => setTimeout(r, 100));
 
         emitMessage(MockRecording1.MINING_SUBMIT);
-        await new Promise((r) => setTimeout(r, 100));
-        await clientService.insertClients();
         jest.useRealTimers();
         await new Promise((r) => setTimeout(r, 1000));
 
@@ -570,8 +571,7 @@ describe('StratumV1Client', () => {
             notificationService,
             blocksService,
             configService,
-            moduleRef.get<AddressSettingsService>(AddressSettingsService),
+            moduleRef.get<AddressSettingsService>(AddressSettingsService)
-            externalSharesService
         );
         jest.spyOn(secondClient as any, 'write').mockImplementation((data) => Promise.resolve(true));
         jest.spyOn(secondClient as any, 'getRandomHexString').mockReturnValue(MockRecording1.EXTRA_NONCE);
@@ -597,12 +597,14 @@ describe('StratumV1Client', () => {
 
     it('should submit and persist found blocks', async () => {
         jest.spyOn(client as any, 'write').mockImplementation((data) => Promise.resolve(true));
+        (bitcoinRpcService.SUBMIT_BLOCK as jest.Mock).mockResolvedValue('SUCCESS!');
         jest.spyOn(client as any, 'calculateDifficulty').mockReturnValue({
             submissionDifficulty: Number.MAX_SAFE_INTEGER,
             submissionHash: 'block-share'
         });
         const addressSettings = moduleRef.get<AddressSettingsService>(AddressSettingsService);
-        jest.spyOn(addressSettings, 'resetBestDifficultyAndShares').mockResolvedValue(undefined);
+        const resetSpy = jest.spyOn(addressSettings, 'resetBestDifficultyAndShares').mockResolvedValue(undefined);
+        resetSpy.mockClear();
 
         emitMessage(MockRecording1.MINING_SUBSCRIBE);
         emitMessage(`{"id": 4, "method": "mining.suggest_difficulty", "params": [0]}`);
@@ -626,6 +628,43 @@ describe('StratumV1Client', () => {
         expect((client as any).write).lastCalledWith(`{"id":5,"error":null,"result":true}\n`);
     });
 
+    it('should not persist or notify rejected block submissions', async () => {
+        jest.spyOn(client as any, 'write').mockImplementation((data) => Promise.resolve(true));
+        (bitcoinRpcService.SUBMIT_BLOCK as jest.Mock).mockResolvedValue('bad-prevblk');
+        jest.spyOn(client as any, 'calculateDifficulty').mockReturnValue({
+            submissionDifficulty: Number.MAX_SAFE_INTEGER,
+            submissionHash: 'block-share'
+        });
+        const addressSettings = moduleRef.get<AddressSettingsService>(AddressSettingsService);
+        const resetSpy = jest.spyOn(addressSettings, 'resetBestDifficultyAndShares').mockResolvedValue(undefined);
+        resetSpy.mockClear();
+
+        emitMessage(MockRecording1.MINING_SUBSCRIBE);
+        emitMessage(`{"id": 4, "method": "mining.suggest_difficulty", "params": [0]}`);
+        emitMessage(MockRecording1.MINING_AUTHORIZE);
+        await new Promise((r) => setTimeout(r, 100));
+
+        emitMessage(MockRecording1.MINING_SUBMIT);
+        jest.useRealTimers();
+        await new Promise((r) => setTimeout(r, 1000));
+
+        expect(bitcoinRpcService.SUBMIT_BLOCK).toHaveBeenCalledWith(expect.any(String));
+        expect(blocksService.save).not.toHaveBeenCalled();
+        expect(notificationService.notifySubscribersBlockFound).not.toHaveBeenCalled();
+        expect(resetSpy).not.toHaveBeenCalled();
+        expect((client as any).write).lastCalledWith(`{"id":5,"error":null,"result":true}\n`);
+    });
+
 
 
 });
+
+describe('effectiveJobDifficulty', () => {
+    it('should use the old difficulty for jobs issued before a difficulty change', () => {
+        expect(effectiveJobDifficulty(9, 128, 32, 10)).toBe(32);
+    });
+
+    it('should use the current difficulty for jobs issued after a difficulty change', () => {
+        expect(effectiveJobDifficulty(10, 128, 32, 10)).toBe(128);
+    });
+});

src/models/StratumV1Client.ts

@@ -27,17 +27,32 @@ import { SubscriptionMessage } from './stratum-messages/SubscriptionMessage';
 import { EXTRANONCE1_SIZE_BYTES } from './stratum.constants';
 import { SuggestDifficulty } from './stratum-messages/SuggestDifficultyMessage';
 import { StratumV1ClientStatistics } from './StratumV1ClientStatistics';
-import { ExternalSharesService } from '../services/external-shares.service';
 
 const TRUE_DIFF_ONE = 2.695953529101131e67;
 const BLOCKED_USER_AGENT_LOG_INTERVAL_MS = 60 * 1000;
 const VALIDATION_ERROR_LOG_INTERVAL_MS = 60 * 1000;
 
+export function effectiveJobDifficulty(
+    jobIdInt: number,
+    currentDiff: number,
+    oldDiff: number,
+    diffChangeJobId: number | null,
+): number {
+    if (diffChangeJobId == null || !Number.isFinite(jobIdInt)) {
+        return currentDiff;
+    }
+    if (jobIdInt < diffChangeJobId) {
+        return Math.min(currentDiff, oldDiff);
+    }
+    return currentDiff;
+}
+
+
 export class StratumV1Client {
     private static blockedUserAgentLogState = new Map<string, { nextLogAt: number, suppressed: number }>();
     private static validationErrorLogState = new Map<string, { nextLogAt: number, suppressed: number, sample: string }>();
 
-    private clientSubscription: SubscriptionMessage;
+    public clientSubscription: SubscriptionMessage;
     private clientConfiguration: ConfigurationMessage;
     private clientAuthorization: AuthorizationMessage;
     private clientSuggestedDifficulty: SuggestDifficulty;
@@ -48,18 +63,19 @@ export class StratumV1Client {
     private stratumInitialized = false;
     private usedSuggestedDifficulty = false;
     private sessionDifficulty: number = 100000;
+    private oldSessionDifficulty: number = 100000;
+    private diffChangeJobId: number | null = null;
 
-    private entity: ClientEntity;
+    private clientEntity: ClientEntity;
     private creatingEntity: Promise<void>;
 
     public extraNonceAndSessionId: string;
     public sessionStart: Date;
-    public noFee: boolean;
+    //public noFee: boolean;
-    public hashRate: number = 0;
+    //public hashRate: number = 0;
 
     private buffer: string = '';
     private connectionClosed = false;
-    private lastSentMiningJobTimestamp: number = null;
 
     private miningSubmissionHashes = new Set<string>()
 
@@ -72,8 +88,7 @@ export class StratumV1Client {
         private readonly notificationService: NotificationService,
         private readonly blocksService: BlocksService,
         private readonly configService: ConfigService,
-        private readonly addressSettingsService: AddressSettingsService,
+        private readonly addressSettingsService: AddressSettingsService
-        private readonly externalSharesService: ExternalSharesService
     ) {
 
         this.socket.on('data', (data: Buffer) => {
@@ -101,8 +116,8 @@ export class StratumV1Client {
 
     public async destroy() {
 
-        if (this.extraNonceAndSessionId) {
+        if (this.clientEntity?.id) {
-            await this.clientService.delete(this.extraNonceAndSessionId);
+            await this.clientService.delete(this.clientEntity.id);
         }
 
         if (this.stratumSubscription != null) {
@@ -160,7 +175,7 @@ export class StratumV1Client {
                         this.sessionStart = new Date();
                         this.statistics = new StratumV1ClientStatistics(this.clientStatisticsService);
                         this.extraNonceAndSessionId = this.getRandomHexString();
-                        console.log(`New client ID: : ${this.extraNonceAndSessionId}, ${this.socket.remoteAddress}:${this.socket.remotePort}`);
+                        //console.log(`New client ID: : ${this.extraNonceAndSessionId}, ${this.socket.remoteAddress}:${this.socket.remotePort}`);
                     }
 
                     this.clientSubscription = subscriptionMessage;
@@ -207,7 +222,7 @@ export class StratumV1Client {
                     }
 
                 } else {
-                    console.error('Configuration validation error');
+                    console.log('Configuration validation error');
                     const err = new StratumErrorMessage(
                         configurationMessage.id,
                         eStratumErrorCode.OtherUnknown,
@@ -240,19 +255,19 @@ export class StratumV1Client {
                     this.clientAuthorization = authorizationMessage;
                     if (this.clientSuggestedDifficulty == null && this.clientAuthorization.startingDiff != null && this.clientAuthorization.startingDiff > this.sessionDifficulty) {
                         this.sessionDifficulty = this.clientAuthorization.startingDiff;
+                        this.oldSessionDifficulty = this.sessionDifficulty;
                     }
                     const success = await this.write(JSON.stringify(this.clientAuthorization.response()) + '\n');
                     if (!success) {
                         return;
                     }
                 } else {
-                    console.error('Authorization validation error');
                     const err = new StratumErrorMessage(
                         authorizationMessage.id,
                         eStratumErrorCode.OtherUnknown,
                         'Authorization validation error',
                         errors).response();
-                    console.error(err);
+                    //console.log(err);
                     const success = await this.write(err);
                     if (!success) {
                         return;
@@ -282,6 +297,7 @@ export class StratumV1Client {
 
                     this.clientSuggestedDifficulty = suggestDifficultyMessage;
                     this.sessionDifficulty = suggestDifficultyMessage.suggestedDifficulty;
+                    this.oldSessionDifficulty = this.sessionDifficulty;
                     const success = await this.write(JSON.stringify(this.clientSuggestedDifficulty.response(this.sessionDifficulty)) + '\n');
                     if (!success) {
                         return;
@@ -305,7 +321,7 @@ export class StratumV1Client {
             case eRequestMethod.SUBMIT: {
 
                 if (this.stratumInitialized == false) {
-                    console.log('Submit before initalized');
+                    //console.log('Submit before initalized');
                     await this.socket.end();
                     return;
                 }
@@ -362,7 +378,7 @@ export class StratumV1Client {
             && this.clientAuthorization != null
             && this.stratumInitialized == false) {
 
-            await this.initStratum();
+            this.initStratum();
 
         }
     }
@@ -379,6 +395,7 @@ export class StratumV1Client {
         switch (this.clientSubscription.userAgent) {
             case 'cpuminer': {
                 this.sessionDifficulty = 0.1;
+                this.oldSessionDifficulty = this.sessionDifficulty;
             }
         }
 
@@ -409,29 +426,40 @@ export class StratumV1Client {
             }, 60 * 1000)
         );
 
+        // this.backgroundWork.push(
+        //     setInterval(async () => {
+        //         await this.statistics.saveShares(this.clientEntity);
+        //     }, 60 * 1000)
+        // );
     }
 
     private async sendNewMiningJob(jobTemplate: IJobTemplate) {
 
-        let payoutInformation;
+        let payoutInformation= [
-        const devFeeAddress = this.configService.get('DEV_FEE_ADDRESS');
+            { address: this.clientAuthorization.address, percent: 100 }
-        //50Th/s
+        ];
-        this.noFee = false;
+        // const devFeeAddress = this.configService.get('DEV_FEE_ADDRESS');
-        if (this.entity) {
+        // //50Th/s
-            this.hashRate = this.statistics.hashRate;
+        // this.noFee = false;
-            this.noFee = this.hashRate != 0 && this.hashRate < 50000000000000;
+        // if (this.clientEntity) {
-        }
+        //     this.hashRate = await this.clientStatisticsService.getHashRateForSession(this.clientEntity.id);
-        if (this.noFee || devFeeAddress == null || devFeeAddress.length < 1) {
+        //     // 250Gh/s
-            payoutInformation = [
+        //     if(this.hashRate < 250000000000){
-                { address: this.clientAuthorization.address, percent: 100 }
+        //         this.statistics.targetSubmitShareEveryNSeconds = 10;
-            ];
+        //     }
+        //     this.noFee = this.hashRate != 0 && this.hashRate < 50000000000000;
+        // }
+        // if (this.noFee || devFeeAddress == null || devFeeAddress.length < 1) {
+        //     payoutInformation = [
+        //         { address: this.clientAuthorization.address, percent: 100 }
+        //     ];
 
-        } else {
+        // } else {
-            payoutInformation = [
+        //     payoutInformation = [
-                { address: devFeeAddress, percent: 1.5 },
+        //         { address: devFeeAddress, percent: 1.5 },
-                { address: this.clientAuthorization.address, percent: 98.5 }
+        //         { address: this.clientAuthorization.address, percent: 98.5 }
-            ];
+        //     ];
-        }
+        // }
 
         const networkConfig = this.configService.get('NETWORK');
         let network;
@@ -447,11 +475,11 @@ export class StratumV1Client {
         }
 
         const job = new MiningJob(
-            this.configService,
             network,
             this.stratumV1JobsService.getNextId(),
             payoutInformation,
-            jobTemplate
+            jobTemplate,
+            this.configService.get('POOL_IDENTIFIER') || 'Public-Pool'
         );
 
         this.stratumV1JobsService.addJob(job);
@@ -461,7 +489,6 @@ export class StratumV1Client {
         if (!success) {
             return;
         }
-        this.lastSentMiningJobTimestamp = jobTemplate.block.timestamp;
 
 
         //console.log(`Sent new job to ${this.clientAuthorization.worker}.${this.extraNonceAndSessionId}. (clearJobs: ${jobTemplate.blockData.clearJobs}, fee?: ${!this.noFee})`)
@@ -470,13 +497,13 @@ export class StratumV1Client {
 
 
     private async ensureClientEntity() {
-        if (this.entity != null) {
+        if (this.clientEntity != null) {
             return;
         }
 
         if (this.creatingEntity == null) {
             this.creatingEntity = (async () => {
-                this.entity = await this.clientService.insert({
+                this.clientEntity = await this.clientService.insert({
                     sessionId: this.extraNonceAndSessionId,
                     address: this.clientAuthorization.address,
                     clientName: this.clientAuthorization.worker,
@@ -507,6 +534,7 @@ export class StratumV1Client {
             }
             return false;
         }
+
         const jobTemplate = this.stratumV1JobsService.getJobTemplateById(job.jobTemplateId);
 
         if (jobTemplate == null) {
@@ -522,6 +550,19 @@ export class StratumV1Client {
             return false;
         }
 
+        const classification = this.stratumV1JobsService.classifyJobForShare(job);
+        if (classification === 'stale-rejected') {
+            const err = new StratumErrorMessage(
+                submission.id,
+                eStratumErrorCode.JobNotFound,
+                'stale').response();
+            const success = await this.write(err);
+            if (!success) {
+                return false;
+            }
+            return false;
+        }
+
         const submissionHash = [
             submission.jobId,
             submission.extraNonce2,
@@ -558,9 +599,15 @@ export class StratumV1Client {
         const { submissionDifficulty } = this.calculateDifficulty(header);
 
         //console.log(`DIFF: ${submissionDifficulty} of ${this.sessionDifficulty} from ${this.clientAuthorization.worker + '.' + this.extraNonceAndSessionId}`);
+        const effectiveDiff = effectiveJobDifficulty(
+            parseInt(submission.jobId, 16),
+            this.sessionDifficulty,
+            this.oldSessionDifficulty,
+            this.diffChangeJobId,
+        );
 
 
-        if (submissionDifficulty >= this.sessionDifficulty) {
+        if (submissionDifficulty >= effectiveDiff) {
             const success = await this.write(JSON.stringify(submission.response()) + '\n');
             if (!success) {
                 return false;
@@ -578,53 +625,42 @@ export class StratumV1Client {
                 );
                 const blockHex = updatedJobBlock.toHex(false);
                 const result = await this.bitcoinRpcService.SUBMIT_BLOCK(blockHex);
-                await this.blocksService.save({
+                if (result === 'SUCCESS!') {
-                    height: jobTemplate.blockData.height,
+                    await this.blocksService.save({
-                    minerAddress: this.clientAuthorization.address,
+                        height: jobTemplate.blockData.height,
-                    worker: this.clientAuthorization.worker,
+                        minerAddress: this.clientAuthorization.address,
-                    sessionId: this.extraNonceAndSessionId,
+                        worker: this.clientAuthorization.worker,
-                    blockData: blockHex
+                        sessionId: this.extraNonceAndSessionId,
-                });
+                        blockData: blockHex
+                    });
 
-                await this.notificationService.notifySubscribersBlockFound(this.clientAuthorization.address, jobTemplate.blockData.height, updatedJobBlock, result);
+                    await this.notificationService.notifySubscribersBlockFound(this.clientAuthorization.address, jobTemplate.blockData.height, updatedJobBlock, result);
-                //success
-                if (result == null) {
                     await this.addressSettingsService.resetBestDifficultyAndShares();
+                } else {
+                    console.warn(`[Block submit rejected at height ${jobTemplate.blockData.height}]: ${result}`);
                 }
             }
             await this.ensureClientEntity();
             try {
-                await this.statistics.addShares(this.entity, this.sessionDifficulty);
+                await this.statistics.addShares(this.clientEntity, effectiveDiff);
                 const now = new Date();
                 // only update every minute
-                if (this.entity.updatedAt == null || now.getTime() - this.entity.updatedAt.getTime() > 1000 * 60) {
+                //if (this.clientEntity.updatedAt == null || now.getTime() - this.clientEntity.updatedAt.getTime() > 1000 * 60) {
-                    await this.clientService.heartbeat(this.entity.address, this.entity.clientName, this.entity.sessionId, this.hashRate, now);
+                this.clientService.heartbeatBulkAsync(this.clientEntity.id, this.statistics.hashRate, now);
-                    this.entity.updatedAt = now;
+                this.clientEntity.updatedAt = now;
-                }
+                //}
 
             } catch (e) {
                 console.log(e);
             }
 
-            if (submissionDifficulty > this.entity.bestDifficulty) {
+            if (submissionDifficulty > this.clientEntity.bestDifficulty) {
-                await this.clientService.updateBestDifficultyIfHigher(this.extraNonceAndSessionId, submissionDifficulty);
+                await this.clientService.updateBestDifficultyIfHigher(this.clientEntity.id, submissionDifficulty);
-                this.entity.bestDifficulty = submissionDifficulty;
+                this.clientEntity.bestDifficulty = submissionDifficulty;
-                await this.addressSettingsService.updateBestDifficultyIfHigher(this.clientAuthorization.address, submissionDifficulty, this.entity.userAgent);
+                await this.addressSettingsService.updateBestDifficultyIfHigher(this.clientAuthorization.address, submissionDifficulty, this.clientEntity.userAgent);
             }
 
 
-            const externalShareSubmissionEnabled: boolean = this.configService.get('EXTERNAL_SHARE_SUBMISSION_ENABLED')?.toLowerCase() == 'true';
-            const minimumDifficulty: number = parseFloat(this.configService.get('MINIMUM_DIFFICULTY')) || 1000000000000.0; // 1T
-            if (externalShareSubmissionEnabled && submissionDifficulty >= minimumDifficulty) {
-                // Submit share to API if enabled
-                this.externalSharesService.submitShare({
-                    worker: this.clientAuthorization.worker,
-                    address: this.clientAuthorization.address,
-                    userAgent: this.clientSubscription.userAgent,
-                    header: header.toString('hex'),
-                    externalPoolName: this.configService.get('POOL_IDENTIFIER') || 'Public-Pool'
-                });
-            }
 
         } else {
             const err = new StratumErrorMessage(
@@ -653,6 +689,11 @@ export class StratumV1Client {
 
         if (targetDiff != this.sessionDifficulty) {
             //console.log(`Adjusting ${this.extraNonceAndSessionId} difficulty from ${this.sessionDifficulty} to ${targetDiff}`);
+            if (!Number.isFinite(targetDiff)) {
+                return;
+            }
+            this.oldSessionDifficulty = this.sessionDifficulty;
+            this.diffChangeJobId = parseInt(this.stratumV1JobsService.getNextId(), 16);
             this.sessionDifficulty = targetDiff;
 
             const data = JSON.stringify({
@@ -662,24 +703,15 @@ export class StratumV1Client {
             }) + '\n';
 
 
-            await this.socket.write(data);
+            const success = await this.write(data);
+            if (!success) {
+                return;
+            }
 
             const jobTemplate = await firstValueFrom(this.stratumV1JobsService.newMiningJob$);
-            const nextTimestamp = Math.max(
+            // we need to clear the jobs so that the difficulty set takes effect. Otherwise the different miner implementations can cause issues
-                jobTemplate.block.timestamp,
+            jobTemplate.blockData.clearJobs = true;
-                Math.floor(Date.now() / 1000),
+            await this.sendNewMiningJob(jobTemplate);
-                (this.lastSentMiningJobTimestamp ?? 0) + 1
-            );
-            // We need to clear jobs so the difficulty takes effect, but avoid mutating or
-            // re-sending the shared cached template with byte-identical work.
-            const refreshedJobTemplate: IJobTemplate = {
-                ...jobTemplate,
-                block: Object.assign(new bitcoinjs.Block(), jobTemplate.block, {
-                    timestamp: nextTimestamp
-                }),
-                blockData: { ...jobTemplate.blockData, clearJobs: true }
-            };
-            await this.sendNewMiningJob(refreshedJobTemplate);
 
         }
     }
@@ -805,7 +837,7 @@ export class StratumV1Client {
 
                 return true;
             } else {
-                console.error(`Error: Cannot write to closed or ended socket. ${this.extraNonceAndSessionId} ${message}`);
+                //console.error(`Error: Cannot write to closed or ended socket. ${this.extraNonceAndSessionId} ${message}`);
                 this.destroy();
                 if (!this.socket.destroyed) {
                     this.socket.destroy();
@@ -819,7 +851,7 @@ export class StratumV1Client {
             } else if (!this.socket.destroyed) {
                 this.socket.destroy();
             }
-            console.error(`Error occurred while writing to socket: ${this.extraNonceAndSessionId}`, error);
+            //console.error(`Error occurred while writing to socket: ${this.extraNonceAndSessionId}`, error);
             return false;
         }
     }

src/models/StratumV1ClientStatistics.spec.ts

@@ -10,7 +10,7 @@ describe('StratumV1ClientStatistics', () => {
 
     let clientStatisticsService: {
         insert: jest.Mock,
-        update: jest.Mock
+        updateBulkAsync: jest.Mock
     };
     let statistics: StratumV1ClientStatistics;
 
@@ -19,7 +19,7 @@ describe('StratumV1ClientStatistics', () => {
         jest.setSystemTime(new Date('2026-05-06T12:00:00Z'));
         clientStatisticsService = {
             insert: jest.fn().mockResolvedValue(undefined),
-            update: jest.fn().mockResolvedValue(undefined)
+            updateBulkAsync: jest.fn().mockResolvedValue(undefined)
         };
         statistics = new StratumV1ClientStatistics(clientStatisticsService as any);
     });
@@ -33,6 +33,7 @@ describe('StratumV1ClientStatistics', () => {
 
         expect(clientStatisticsService.insert).toHaveBeenCalledWith({
             time: new Date('2026-05-06T12:00:00Z').getTime(),
+            clientId: client.id,
             shares: 64,
             acceptedCount: 1,
             address: client.address,
@@ -43,16 +44,13 @@ describe('StratumV1ClientStatistics', () => {
 
     it('should update the current share bucket for additional shares', async () => {
         await statistics.addShares(client, 64);
-        jest.setSystemTime(new Date('2026-05-06T12:01:01Z'));
         await statistics.addShares(client, 32);
 
-        expect(clientStatisticsService.update).toHaveBeenCalledWith({
+        expect(clientStatisticsService.updateBulkAsync).toHaveBeenCalledWith({
             time: new Date('2026-05-06T12:00:00Z').getTime(),
+            clientId: client.id,
             shares: 96,
-            acceptedCount: 2,
+            acceptedCount: 2
-            address: client.address,
-            clientName: client.clientName,
-            sessionId: client.sessionId
         });
     });
 
@@ -62,16 +60,15 @@ describe('StratumV1ClientStatistics', () => {
 
         await statistics.addShares(client, 32);
 
-        expect(clientStatisticsService.update).toHaveBeenCalledWith({
+        expect(clientStatisticsService.updateBulkAsync).toHaveBeenCalledWith({
             time: new Date('2026-05-06T12:00:00Z').getTime(),
+            clientId: client.id,
             shares: 64,
-            acceptedCount: 1,
+            acceptedCount: 1
-            address: client.address,
-            clientName: client.clientName,
-            sessionId: client.sessionId
         });
         expect(clientStatisticsService.insert).toHaveBeenLastCalledWith({
             time: new Date('2026-05-06T12:10:00Z').getTime(),
+            clientId: client.id,
             shares: 32,
             acceptedCount: 1,
             address: client.address,
@@ -84,10 +81,10 @@ describe('StratumV1ClientStatistics', () => {
         expect(statistics.getSuggestedDifficulty(64)).toBeNull();
     });
 
-    it('should lower difficulty when a miner has not submitted shares for several minutes', () => {
+    it('should lower difficulty when a miner has not submitted shares for more than a minute', () => {
-        jest.setSystemTime(new Date('2026-05-06T12:06:00Z'));
+        jest.setSystemTime(new Date('2026-05-06T12:01:01Z'));
 
-        expect(statistics.getSuggestedDifficulty(64)).toBe(8);
+        expect(statistics.getSuggestedDifficulty(64)).toBe(12);
     });
 
     it('should increase difficulty for rapid submissions', async () => {
@@ -96,7 +93,7 @@ describe('StratumV1ClientStatistics', () => {
             await statistics.addShares(client, 64);
         }
 
-        expect(statistics.getSuggestedDifficulty(64)).toBe(512);
+        expect(statistics.getSuggestedDifficulty(64)).toBe(2048);
     });
 
     it('should decrease difficulty for slow submissions', async () => {
@@ -105,6 +102,6 @@ describe('StratumV1ClientStatistics', () => {
             await statistics.addShares(client, 64);
         }
 
-        expect(statistics.getSuggestedDifficulty(128)).toBe(4);
+        expect(statistics.getSuggestedDifficulty(128)).toBe(16);
     });
 });

src/models/StratumV1ClientStatistics.ts

@@ -2,33 +2,29 @@ import { ClientStatisticsService } from '../ORM/client-statistics/client-statist
 import { ClientEntity } from '../ORM/client/client.entity';
 
 const CACHE_SIZE = 30;
-const TARGET_SUBMISSION_PER_SECOND = 10;
+const MIN_DIFF = 0.001;
-const MIN_DIFF = 0.00001;
 export class StratumV1ClientStatistics {
 
+    public targetSubmitShareEveryNSeconds: number = 30;
+    public hashRate = 0;
+
     private shares: number = 0;
     private acceptedCount: number = 0;
 
     private submissionCacheStart: Date;
     private submissionCache: { time: Date, difficulty: number }[] = [];
+    private submissionCacheDifficultySum = 0;
 
     private currentTimeSlot: number = null;
-    private lastSave: number = null;
-	
-	public hashRate = 0;
-
-    private previousTimeSlotTime: Date;
-    private currentTimeSlotTime: Date;
-
-    private previousShares: number = 0;
 
     constructor(
-        private readonly clientStatisticsService: ClientStatisticsService
+        private readonly clientStatisticsService: ClientStatisticsService,
     ) {
         this.submissionCacheStart = new Date();
     }
 
 
+
     // We don't want to save them here because it can be DB intensive, instead do it every once in
     // awhile with saveShares()
     public async addShares(client: ClientEntity, targetDifficulty: number) {
@@ -39,89 +35,77 @@ export class StratumV1ClientStatistics {
         var timeSlot = new Date(Math.floor(date.getTime() / coeff) * coeff).getTime();
 
         if (this.submissionCache.length > CACHE_SIZE) {
+            this.submissionCacheDifficultySum -= this.submissionCache[0].difficulty;
             this.submissionCache.shift();
         }
         this.submissionCache.push({
             time: date,
             difficulty: targetDifficulty,
         });
-
+        this.submissionCacheDifficultySum += targetDifficulty;
 
         if (this.currentTimeSlot == null) {
             // First record, insert it
-			this.previousTimeSlotTime = new Date();
-            this.currentTimeSlotTime = new Date();
             this.currentTimeSlot = timeSlot;
             this.shares += targetDifficulty;
             this.acceptedCount++;
             await this.clientStatisticsService.insert({
                 time: this.currentTimeSlot,
+                clientId: client.id,
                 shares: this.shares,
                 acceptedCount: this.acceptedCount,
                 address: client.address,
                 clientName: client.clientName,
                 sessionId: client.sessionId
             });
-            this.lastSave = new Date().getTime();
         } else if (this.currentTimeSlot != timeSlot) {
             // Transitioning to a new time slot,
             // First update the old time slot with the latest data
-            await this.clientStatisticsService.update({
+            this.clientStatisticsService.updateBulkAsync({
                 time: this.currentTimeSlot,
+                clientId: client.id,
                 shares: this.shares,
                 acceptedCount: this.acceptedCount,
-                address: client.address,
-                clientName: client.clientName,
-                sessionId: client.sessionId
             });
-			 this.previousShares = this.shares;
-            this.previousTimeSlotTime = this.currentTimeSlotTime;
-            this.currentTimeSlotTime = new Date();
             // Set the new time slot and add incoming shares then insert it
             this.currentTimeSlot = timeSlot;
             this.shares = targetDifficulty;
             this.acceptedCount = 1
             await this.clientStatisticsService.insert({
                 time: this.currentTimeSlot,
+                clientId: client.id,
                 shares: this.shares,
                 acceptedCount: this.acceptedCount,
                 address: client.address,
                 clientName: client.clientName,
                 sessionId: client.sessionId
             });
-            this.lastSave = new Date().getTime();
-        } else if ((date.getTime() - 60 * 1000) > this.lastSave) {
-            // If we haven't saved for a minute, update the table
-            this.shares += targetDifficulty;
-            this.acceptedCount++;
-            await this.clientStatisticsService.update({
-                time: this.currentTimeSlot,
-                shares: this.shares,
-                acceptedCount: this.acceptedCount,
-                address: client.address,
-                clientName: client.clientName,
-                sessionId: client.sessionId
-            });
-            this.lastSave = new Date().getTime();
         } else {
             // Accept the shares if none of the prior conditions are met,
             // saving to memory for storing later
             this.shares += targetDifficulty;
             this.acceptedCount++;
-			if(this.shares > 0) {
+            this.clientStatisticsService.updateBulkAsync({
-            const time = new Date().getTime() - this.previousTimeSlotTime.getTime();
+                time: this.currentTimeSlot,
-            this.hashRate = ((this.previousShares + this.shares) * 4294967296) / (time / 1000);
+                clientId: client.id,
-        }
+                shares: this.shares,
+                acceptedCount: this.acceptedCount,
+            });
         }
 
+        const time = new Date().getTime() - this.submissionCache[0].time.getTime();
+        if(time > 60000 && this.submissionCache.length > 2) { 
+            this.hashRate = (this.submissionCacheDifficultySum * 4294967296) / (time / 1000);
+        }
     }
 
+
     public getSuggestedDifficulty(clientDifficulty: number) {
 
         // miner hasn't submitted shares in one minute
         if (this.submissionCache.length < 5) {
             if ((new Date().getTime() - this.submissionCacheStart.getTime()) / 1000 > 60) {
-                return this.nearestPowerOfTwo(clientDifficulty / 6);
+                return this.nearestDifficultyStep(clientDifficulty / 6);
             } else {
                 return null;
             }
@@ -132,39 +116,45 @@ export class StratumV1ClientStatistics {
             return pre;
         }, 0);
         const diffSeconds = (this.submissionCache[this.submissionCache.length - 1].time.getTime() - this.submissionCache[0].time.getTime()) / 1000;
+        if (diffSeconds <= 0) {
+            return null;
+        }
 
         const difficultyPerSecond = sum / diffSeconds;
 
-        const targetDifficulty = difficultyPerSecond * TARGET_SUBMISSION_PER_SECOND;
+        const targetDifficulty = difficultyPerSecond * this.targetSubmitShareEveryNSeconds;
+        if (!Number.isFinite(difficultyPerSecond) || !Number.isFinite(targetDifficulty)) {
+            return null;
+        }
 
         if ((clientDifficulty * 2) < targetDifficulty || (clientDifficulty / 2) > targetDifficulty) {
-            return this.nearestPowerOfTwo(targetDifficulty)
+            return this.nearestDifficultyStep(targetDifficulty)
         }
 
         return null;
     }
 
-    private nearestPowerOfTwo(val): number {
+    private nearestDifficultyStep(val: number): number {
         if (val === 0) {
             return null;
         }
         if (val < MIN_DIFF) {
             return MIN_DIFF;
         }
-        let x = val | (val >> 1);
+
-        x = x | (x >> 2);
+        const exponent = Math.floor(Math.log2(val));
-        x = x | (x >> 4);
+        const lower = 2 ** exponent;
-        x = x | (x >> 8);
+        const middle = lower + lower / 2;
-        x = x | (x >> 16);
+        const upper = lower * 2;
-        x = x | (x >> 32);
+
-        const res = x - (x >> 1);
+        const distances = [
-        if (res == 0 && val * 100 < MIN_DIFF) {
+            { value: lower, diff: Math.abs(val - lower) },
-            return MIN_DIFF;
+            { value: middle, diff: Math.abs(val - middle) },
-        }
+            { value: upper, diff: Math.abs(val - upper) },
-        if (res == 0) {
+        ];
-            return this.nearestPowerOfTwo(val * 100) / 100;
+
-        }
+        distances.sort((a, b) => a.diff - b.diff);
-        return res;
+        return distances[0].value;
     }
 
 }

src/models/stratum-messages/AuthorizationMessage.spec.ts

@@ -25,15 +25,6 @@ describe('AuthorizationMessage', () => {
         expect(message.startingDiff).toBeNull();
     });
 
-    it('should ignore malformed starting difficulty hints', () => {
-        const message = plainToInstance(
-            AuthorizationMessage,
-            JSON.parse('{"id":3,"method":"mining.authorize","params":["tb1qumezefzdeqqwn5zfvgdrhxjzc5ylr39uhuxcz4.worker1","x,d=abc"]}')
-        );
-
-        expect(message.startingDiff).toBeNull();
-    });
-
     it('should build successful authorization responses', () => {
         const message = plainToInstance(
             AuthorizationMessage,

src/models/stratum-messages/AuthorizationMessage.ts

@@ -24,23 +24,27 @@ export class AuthorizationMessage extends StratumBaseMessage {
     @IsString()
     @MaxLength(64)
     @Transform(({ value, key, obj, type }) => {
-        return obj.params[0].split('.')[1] == null ? 'worker' : obj.params[0].split('.')[1];
+        const workerName = obj.params[0].split('.')[1];
+        if (workerName == null) {
+            return 'worker';
+        }
+        return workerName;
     })
     public worker: string;
 
+
     @Expose()
     @IsNumber()
     @Transform(({ value, key, obj, type }) => {
         const password: string | null = obj.params[1];
-        const difficultyMatch = password?.match(/(?:^|,)d=(\d+)(?:,|$)/);
+        if (password?.includes('d=')) {
-        if (difficultyMatch != null) {
+            return parseInt(password.split('d=')[1]);
-            const startingDiff = Number.parseInt(difficultyMatch[1], 10);
-            return Number.isFinite(startingDiff) ? startingDiff : null;
         }
         return null;
     })
     @IsOptional()
-    public startingDiff?: number;
+    public startingDiff: number;
+
 
     @Expose()
     @IsString()

src/models/stratum-messages/MiningSubmitMessage.spec.ts

@@ -58,6 +58,29 @@ describe('MiningSubmitMessage', () => {
 
             expect(errors.some(error => error.property === 'extraNonce2')).toBe(true);
         });
+
+        it('should hash submit fields without concatenation ambiguity', () => {
+            const first = plainToInstance(
+                MiningSubmitMessage,
+                {
+                    id: 5,
+                    method: 'mining.submit',
+                    params: ['worker', 'e', '9902000000000000', 'd', 'bc', 'a']
+                },
+            );
+            const second = plainToInstance(
+                MiningSubmitMessage,
+                {
+                    id: 5,
+                    method: 'mining.submit',
+                    params: ['worker', 'e', '9902000000000000', 'd', 'c', 'ab']
+                },
+            );
+
+            expect(first.versionMask + first.nonce + first.extraNonce2 + first.ntime + first.jobId)
+                .toBe(second.versionMask + second.nonce + second.extraNonce2 + second.ntime + second.jobId);
+            expect(first.hash()).not.toBe(second.hash());
+        });
     });
 
 

src/models/stratum-messages/MiningSubmitMessage.ts

@@ -68,8 +68,14 @@ export class MiningSubmitMessage extends StratumBaseMessage {
     }
 
     public hash(): string{
-        const buffer = Buffer.from(this.versionMask + this.nonce + this.extraNonce2 + this.ntime + this.jobId);
+        const canonical = JSON.stringify({
-        return bitcoinjs.crypto.hash256(buffer).toString('base64');
+            versionMask: this.versionMask ?? '',
+            nonce: this.nonce,
+            extraNonce2: this.extraNonce2,
+            ntime: this.ntime,
+            jobId: this.jobId,
+        });
+        return bitcoinjs.crypto.hash256(Buffer.from(canonical)).toString('base64');
     }
 
 

src/services/app.service.ts

@@ -1,8 +1,10 @@
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { DataSource } from 'typeorm';
 
+import { UserAgentReportService } from '../ORM/_views/user-agent-report/user-agent-report.service';
 import { ClientStatisticsService } from '../ORM/client-statistics/client-statistics.service';
 import { ClientService } from '../ORM/client/client.service';
+import { HomeGraphService } from '../ORM/home-graph/home-graph.service';
 import { RpcBlockService } from '../ORM/rpc-block/rpc-block.service';
 
 @Injectable()
@@ -11,26 +13,16 @@ export class AppService implements OnModuleInit {
     constructor(
         private readonly clientStatisticsService: ClientStatisticsService,
         private readonly clientService: ClientService,
-        private readonly dataSource: DataSource,
         private readonly rpcBlockService: RpcBlockService,
+        private readonly homeGraphService: HomeGraphService,
+        private readonly dataSource: DataSource,
+        private readonly userAgentReportService: UserAgentReportService
     ) {
 
     }
 
     async onModuleInit() {
-        // if (process.env.NODE_APP_INSTANCE == '0') {
+        if (process.env.MASTER == 'true') {
-        //     await this.dataSource.query(`VACUUM;`);
-        // }
-
-        //https://phiresky.github.io/blog/2020/sqlite-performance-tuning/
-        // //500 MB DB cache
-        // await this.dataSource.query(`PRAGMA cache_size = -500000;`);
-        //Normal is still completely corruption safe in WAL mode, and means only WAL checkpoints have to wait for FSYNC. 
-        await this.dataSource.query(`PRAGMA synchronous = off;`);
-        // //6Gb
-        // await this.dataSource.query(`PRAGMA mmap_size = 6000000000;`);
-
-        if (process.env.NODE_APP_INSTANCE == null || process.env.NODE_APP_INSTANCE == '0') {
 
             setInterval(async () => {
                 await this.deleteOldStatistics();
@@ -38,7 +30,10 @@ export class AppService implements OnModuleInit {
 
             setInterval(async () => {
                 console.log('Killing dead clients');
-                await this.clientService.killDeadClients();
+                while (await this.clientService.killDeadClients()) {
+
+                }
+                console.log('Finished killing clients');
             }, 1000 * 60 * 5);
 
             setInterval(async () => {
@@ -46,10 +41,29 @@ export class AppService implements OnModuleInit {
                 await this.rpcBlockService.deleteOldBlocks();
             }, 1000 * 60 * 60 * 24);
 
+            setInterval(async () => {
+                await this.updateChart();
+            }, 1000 * 60 * 10);
 
+            setInterval(async () => {
+                console.log('Refreshing user agent report view')
+                await this.userAgentReportService.refreshReport();
+                console.log('Finished Refreshing user agent report view')
+            }, 1000 * 60 * 5);
 
         }
 
+        setInterval(async () => {
+            //console.log('Bulk update client stats');
+            await this.clientStatisticsService.doBulkAsyncUpdate();
+        }, 1000 * 30);
+
+        setInterval(async () => {
+            //console.log('Bulk update client stats');
+            await this.clientService.doBulkHeartbeatUpdate();
+        }, 1000 * 30);
+
+
     }
 
     private async deleteOldStatistics() {
@@ -63,4 +77,36 @@ export class AppService implements OnModuleInit {
     }
 
 
+    private async updateChart() {
+        console.log('Updating Chart');
+
+        const latestGraphUpdate = await this.homeGraphService.getLatestTime();
+
+
+        const data = await this.dataSource.query(`
+            SELECT
+                time AS label,
+                ROUND(((SUM(shares) * 4294967296) / 600)) AS data
+            FROM
+                client_statistics_entity AS entry
+            WHERE
+                entry.time > ${latestGraphUpdate.getTime()}
+            GROUP BY
+                time
+            ORDER BY
+                time
+            LIMIT 144;
+        `)
+
+        console.log(`Fetched ${data.length} rows`);
+
+        if (data.length < 2) {
+            return;
+        }
+
+        const result = data.slice(0, data.length - 1);
+
+        this.homeGraphService.save(result);
+
+    }
 }

src/services/bitcoin-rpc.service.ts

@@ -1,43 +1,51 @@
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import axios, { AxiosInstance } from 'axios';
-import * as fs from 'node:fs';
+import { asyncScheduler, BehaviorSubject, delay, filter, from, interval, scheduled, shareReplay, startWith, Subject, switchMap } from 'rxjs';
-import { BehaviorSubject, filter, shareReplay } from 'rxjs';
+import { RpcBlockService } from '../ORM/rpc-block/rpc-block.service';
 import * as zmq from 'zeromq';
 
-import { RpcBlockService } from '../ORM/rpc-block/rpc-block.service';
 import { IBlockTemplate } from '../models/bitcoin-rpc/IBlockTemplate';
 import { IMiningInfo } from '../models/bitcoin-rpc/IMiningInfo';
+import * as PGPubsub from 'pg-pubsub';
+import * as fs from 'node:fs';
 
 @Injectable()
 export class BitcoinRpcService implements OnModuleInit {
 
-    private blockHeight = 0;
+    
     private client: AxiosInstance;
+    private _newBlockTemplate$: BehaviorSubject<IBlockTemplate> = new BehaviorSubject(undefined);
+    private pubsubInstance: PGPubsub;
+    private resetTemplateInterval$ = new Subject<void>();
     private rpcRequestId = 0;
-    private _newBlock$: BehaviorSubject<IMiningInfo> = new BehaviorSubject(undefined);
+
-    public newBlock$ = this._newBlock$.pipe(filter(block => block != null), shareReplay({ refCount: true, bufferSize: 1 }));
+    public miningInfo: IMiningInfo;
+    public newBlockTemplate$ = this._newBlockTemplate$.pipe(filter(block => block != null), shareReplay({ refCount: true, bufferSize: 1 }));
 
     constructor(
         private readonly configService: ConfigService,
         private rpcBlockService: RpcBlockService
     ) {
+
     }
 
     async onModuleInit() {
+
+        this.pubsubInstance = new PGPubsub('postgres://' + this.configService.get('DB_USERNAME') + ':' + this.configService.get('DB_PASSWORD') + '@' + this.configService.get('DB_HOST') + ':' + this.configService.get('DB_PORT') + '/' + this.configService.get('DB_DATABASE'))
+
+
         const url = this.configService.get('BITCOIN_RPC_URL');
         let user = this.configService.get('BITCOIN_RPC_USER');
         let pass = this.configService.get('BITCOIN_RPC_PASSWORD');
         const port = parseInt(this.configService.get('BITCOIN_RPC_PORT'));
         const timeout = parseInt(this.configService.get('BITCOIN_RPC_TIMEOUT'));
-
         const cookiefile = this.configService.get('BITCOIN_RPC_COOKIEFILE');
 
-        if (cookiefile != undefined && cookiefile != '') {
+        if (cookiefile != null && cookiefile !== '') {
-            const cookie = fs.readFileSync(cookiefile).toString().trim().split(':');
+            const [cookieUser, cookiePass] = fs.readFileSync(cookiefile).toString().trim().split(':');
-
+            user = cookieUser;
-            user = cookie[0];
+            pass = cookiePass;
-            pass = cookie[1];
         }
 
         const baseURL = this.buildRpcUrl(url, port);
@@ -50,101 +58,72 @@ export class BitcoinRpcService implements OnModuleInit {
             }
         });
 
-        this.callRpc('getrpcinfo').then(() => {
+        this.callRpc('getrpcinfo').then((res) => {
             console.log('Bitcoin RPC connected');
         }, () => {
             console.error('Could not reach RPC host');
         });
         
-        if (this.configService.get('BITCOIN_ZMQ_HOST')) {
+        this.miningInfo = await this.getMiningInfo();
+
+        console.log(`MASTER? ${process.env.MASTER}`)
+        if (process.env.MASTER != 'true') {
+            this.pubsubInstance.addChannel('miningInfo', async (miningInfo: IMiningInfo) => {
+                //console.log('PG Sub. new template');
+                this.miningInfo = miningInfo;
+                const savedBlockTemplate = await this.rpcBlockService.getSavedBlockTemplate(miningInfo.blocks);
+                this._newBlockTemplate$.next(JSON.parse(savedBlockTemplate.data));
+            });
+        } else {
             console.log('Using ZMQ');
             const sock = new zmq.Subscriber;
 
-
             sock.connectTimeout = 1000;
             sock.events.on('connect', () => {
                 console.log('ZMQ Connected');
             });
             sock.events.on('connect:retry', () => {
-                console.log('ZMQ Unable to connect, Retrying');
+                console.error('ZMQ Unable to connect, Retrying');
             });
 
             sock.connect(this.configService.get('BITCOIN_ZMQ_HOST'));
             sock.subscribe('rawblock');
             // Don't await this, otherwise it will block the rest of the program
             this.listenForNewBlocks(sock);
-            await this.pollMiningInfo();
 
-        } else {
+            // Between new blocks we want refresh jobs with the latest transactions
-            setInterval(this.pollMiningInfo.bind(this), 500);
+            this.resetTemplateInterval$.pipe(
+                startWith(null),
+                switchMap(() =>interval(60000))
+            ).subscribe(async () =>{
+                await this.getAndBroadcastLatestTemplate();
+            });
+
         }
+
     }
 
     private async listenForNewBlocks(sock: zmq.Subscriber) {
         for await (const [topic, msg] of sock) {
             console.log("New Block");
-            await this.pollMiningInfo();
+            this.miningInfo = await this.getMiningInfo();
+            await this.getAndBroadcastLatestTemplate();
+
+            //Reset the block update interval
+            this.resetTemplateInterval$.next();
         }
     }
 
-    public async pollMiningInfo() {
+    public async getAndBroadcastLatestTemplate() {
-        const miningInfo = await this.getMiningInfo();
+        const blockTemplate = await this.loadBlockTemplate(this.miningInfo.blocks);
-        if (miningInfo != null && miningInfo.blocks > this.blockHeight) {
+        this._newBlockTemplate$.next(blockTemplate);
-            console.log("block height change");
+        await this.pubsubInstance.publish('miningInfo', this.miningInfo);
-            this._newBlock$.next(miningInfo);
-            this.blockHeight = miningInfo.blocks;
-        }
-    }
-
-    private async waitForBlock(blockHeight: number): Promise<IBlockTemplate> {
-        while (true) {
-            await new Promise(r => setTimeout(r, 100));
-
-            const block = await this.rpcBlockService.getBlock(blockHeight);
-            if (block != null && block.data != null) {
-                console.log(`promise loop resolved, block height ${blockHeight}`);
-                return Promise.resolve(JSON.parse(block.data));
-            }
-            console.log(`promise loop, block height ${blockHeight}`);
-        }
-    }
-
-    public async getBlockTemplate(blockHeight: number): Promise<IBlockTemplate> {
-        let result: IBlockTemplate;
-        try {
-            const block = await this.rpcBlockService.getBlock(blockHeight);
-            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) {
-                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);
-            }
-        } catch (e) {
-            console.error('Error getblocktemplate:', e.message);
-            throw new Error('Error getblocktemplate');
-        }
-        console.log(`getblocktemplate tx count: ${result.transactions.length}`);
-        return result;
     }
 
     private async loadBlockTemplate(blockHeight: number) {
 
+        console.log(`Master fetching block template ${blockHeight}`);
+
         let blockTemplate: IBlockTemplate;
         while (blockTemplate == null) {
             blockTemplate = await this.callRpc<IBlockTemplate>('getblocktemplate', [
@@ -156,8 +135,13 @@ export class BitcoinRpcService implements OnModuleInit {
             ]);
         }
 
-
+        try {
-        await this.rpcBlockService.saveBlock(blockHeight, JSON.stringify(blockTemplate));
+            console.log(`Saving block ${blockHeight}`);
+            await this.rpcBlockService.saveBlock(blockHeight, JSON.stringify(blockTemplate));
+            console.log('block saved');
+        } catch (e) {
+            console.error('Error saving block', e);
+        }
 
         return blockTemplate;
     }

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/external-shares.service.ts

@@ -1,31 +0,0 @@
-import { Injectable } from '@nestjs/common';
-import { HttpService } from '@nestjs/axios';
-import { ConfigService } from '@nestjs/config';
-import { ExternalPoolShare } from '../models/ExternalPoolShare';
-
-@Injectable()
-export class ExternalSharesService {
-  private readonly shareApiUrl: string;
-  private readonly shareApiKey: string;
-
-  constructor(
-    private readonly configService: ConfigService,
-    private readonly httpService: HttpService
-  ) {
-    this.shareApiUrl = this.configService.get('SHARE_SUBMISSION_URL') || 'https://web.public-pool.io';
-    this.shareApiKey = this.configService.get('SHARE_SUBMISSION_API_KEY');
-  }
-
-  public submitShare(share: ExternalPoolShare): void {
-    this.httpService.post(`${this.shareApiUrl}/api/share`, share, {
-      headers: {
-        'x-api-key': this.shareApiKey
-      }
-    }).subscribe({
-      next: () =>{
-        console.log('External share accepted');
-      },
-      error: (error) => console.error('Failed to submit share to API:', error.message)
-    });
-  }
-}

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

@@ -1,19 +1,17 @@
-import { BehaviorSubject, firstValueFrom } from 'rxjs';
+import { BehaviorSubject, firstValueFrom, skip } from 'rxjs';
 
 import { MockRecording1 } from '../../test/models/MockRecording1';
-import { IMiningInfo } from '../models/bitcoin-rpc/IMiningInfo';
 import { IBlockTemplate } from '../models/bitcoin-rpc/IBlockTemplate';
 import { StratumV1JobsService } from './stratum-v1-jobs.service';
 
 describe('StratumV1JobsService', () => {
-    let miningInfo$: BehaviorSubject<IMiningInfo>;
+    let blockTemplate$: BehaviorSubject<IBlockTemplate>;
-    let bitcoinRpcService: { newBlock$: any, getBlockTemplate: jest.Mock };
+    let bitcoinRpcService: { newBlockTemplate$: any, miningInfo: { blocks: number } };
     let service: StratumV1JobsService;
     let consoleLogSpy: jest.SpyInstance;
 
     const createTemplate = (height = MockRecording1.BLOCK_TEMPLATE.height): IBlockTemplate => ({
         ...MockRecording1.BLOCK_TEMPLATE,
-        transactions: MockRecording1.BLOCK_TEMPLATE.transactions.map(tx => ({ ...tx })),
         height
     });
 
@@ -22,12 +20,10 @@ describe('StratumV1JobsService', () => {
         jest.setSystemTime(new Date(parseInt(MockRecording1.TIME, 16) * 1000));
         consoleLogSpy = jest.spyOn(console, 'log').mockImplementation(() => undefined);
 
-        miningInfo$ = new BehaviorSubject({
+        blockTemplate$ = new BehaviorSubject(createTemplate());
-            blocks: MockRecording1.BLOCK_TEMPLATE.height
-        } as IMiningInfo);
         bitcoinRpcService = {
-            newBlock$: miningInfo$.asObservable(),
+            newBlockTemplate$: blockTemplate$.asObservable(),
-            getBlockTemplate: jest.fn((height: number) => Promise.resolve(createTemplate(height)))
+            miningInfo: { blocks: MockRecording1.BLOCK_TEMPLATE.height }
         };
         service = new StratumV1JobsService(bitcoinRpcService as any);
     });
@@ -51,82 +47,60 @@ describe('StratumV1JobsService', () => {
         expect(service.getJobTemplateById('1')).toBe(jobTemplate);
     });
 
-    it('should clear jobs when the block height changes', async () => {
+    it('should retire jobs when the block height changes', async () => {
         const firstTemplate = await firstValueFrom(service.newMiningJob$);
         service.addJob({ jobId: 'old-job', creation: Date.now() } as any);
 
-        const nextTemplate = firstValueFrom(service.newMiningJob$);
+        bitcoinRpcService.miningInfo.blocks = MockRecording1.BLOCK_TEMPLATE.height + 1;
-        miningInfo$.next({
+        const nextTemplate = firstValueFrom(service.newMiningJob$.pipe(skip(1)));
-            blocks: MockRecording1.BLOCK_TEMPLATE.height + 1
+        blockTemplate$.next(createTemplate(MockRecording1.BLOCK_TEMPLATE.height + 1));
-        } as IMiningInfo);
         const jobTemplate = await nextTemplate;
 
         expect(jobTemplate.blockData.clearJobs).toBe(true);
-        expect(service.getJobById('old-job')).toBeUndefined();
+        expect(service.getJobById('old-job')).toEqual(expect.objectContaining({
-        expect(service.getJobTemplateById(firstTemplate.blockData.id)).toBeUndefined();
+            jobId: 'old-job',
+            retiredAt: Date.now()
+        }));
+        expect(service.getJobTemplateById(firstTemplate.blockData.id).blockData.retiredAt).toBe(Date.now());
         expect(service.getJobTemplateById(jobTemplate.blockData.id)).toBe(jobTemplate);
     });
 
-    it('should skip identical non-clean template refreshes', async () => {
+    it('should age retired jobs and templates after the retention window', async () => {
-        await firstValueFrom(service.newMiningJob$);
+        const firstTemplate = await firstValueFrom(service.newMiningJob$);
-
-        miningInfo$.next({
-            blocks: MockRecording1.BLOCK_TEMPLATE.height
-        } as IMiningInfo);
-
-        expect(service.latestJobTemplateId).toBe(2);
-        expect(Object.keys(service.blocks)).toHaveLength(1);
-    });
-
-    it('should emit when transaction identity changes without changing transaction count', async () => {
-        await firstValueFrom(service.newMiningJob$);
-        const emissions = [];
-        const subscription = service.newMiningJob$.subscribe(jobTemplate => {
-            emissions.push(jobTemplate);
-        });
-        await Promise.resolve();
-
-        const changedTemplate = createTemplate();
-        changedTemplate.transactions[0] = {
-            ...changedTemplate.transactions[0],
-            hash: `${changedTemplate.transactions[0].hash}-changed`
-        };
-        bitcoinRpcService.getBlockTemplate.mockResolvedValueOnce(changedTemplate);
-
-        miningInfo$.next({
-            blocks: MockRecording1.BLOCK_TEMPLATE.height
-        } as IMiningInfo);
-        await Promise.resolve();
-        await Promise.resolve();
-        subscription.unsubscribe();
-        const jobTemplate = emissions[emissions.length - 1];
-
-        expect(jobTemplate.blockData.clearJobs).toBe(false);
-        expect(jobTemplate.blockData.id).toBe('2');
-        expect(service.getJobTemplateById(jobTemplate.blockData.id)).toBe(jobTemplate);
-    });
-
-    it('should age old jobs and templates after five minutes', async () => {
-        await firstValueFrom(service.newMiningJob$);
         const oldCreation = Date.now() - (1000 * 60 * 11);
-        service.jobs['old-job'] = { jobId: 'old-job', creation: oldCreation } as any;
+        const retiredAt = Date.now() - (1000 * 60 * 11);
-        service.blocks['old-template'] = {
+        firstTemplate.blockData.retiredAt = retiredAt;
-            blockData: { creation: oldCreation }
+        for (let i = 4; i >= 0; i--) {
-        } as any;
+            service.jobs[`old-job-${i}`] = { jobId: `old-job-${i}`, creation: oldCreation - i, retiredAt } as any;
+            (service as any).trackJob(`old-job-${i}`);
+            service.blocks[`old-template-${i}`] = {
+                blockData: { creation: oldCreation - i, retiredAt }
+            } as any;
+            (service as any).trackBlock(`old-template-${i}`);
+        }
 
-        jest.setSystemTime(new Date(Date.now() + (1000 * 60 * 11)));
+        bitcoinRpcService.miningInfo.blocks = MockRecording1.BLOCK_TEMPLATE.height;
-        const nextTemplate = firstValueFrom(service.newMiningJob$);
+        const nextTemplate = firstValueFrom(service.newMiningJob$.pipe(skip(1)));
-        miningInfo$.next({
+        blockTemplate$.next(createTemplate());
-            blocks: MockRecording1.BLOCK_TEMPLATE.height
-        } as IMiningInfo);
         const jobTemplate = await nextTemplate;
 
         expect(jobTemplate.blockData.clearJobs).toBe(false);
-        expect(service.getJobById('old-job')).toBeUndefined();
+        expect(service.getJobById('old-job-4')).toBeUndefined();
-        expect(service.getJobTemplateById('old-template')).toBeUndefined();
+        expect(service.getJobTemplateById('old-template-4')).toBeUndefined();
         expect(service.getJobTemplateById(jobTemplate.blockData.id)).toBe(jobTemplate);
     });
 
+    it('should classify retired jobs inside and outside the stale grace window', () => {
+        const job = { jobId: '1', creation: Date.now(), retiredAt: Date.now() - 1000 } as any;
+
+        expect(service.classifyJobForShare(job, Date.now())).toBe('stale-creditable');
+
+        job.retiredAt = Date.now() - 6000;
+
+        expect(service.classifyJobForShare(job, Date.now())).toBe('stale-rejected');
+        expect(service.classifyJobForShare({ jobId: '2', creation: Date.now() } as any, Date.now())).toBe('active');
+    });
+
     it('should increment job ids when jobs are added', () => {
         expect(service.getNextId()).toBe('1');
 

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

@@ -18,78 +18,58 @@ export interface IJobTemplate {
         networkDifficulty: number;
         height: number;
         clearJobs: boolean;
+        retiredAt?: number;
     };
 }
 
+const STALE_GRACE_MS = parseInt(process.env.STRATUM_STALE_GRACE_MS) || 5000;
+const MIN_RETAINED = 3;
+export { STALE_GRACE_MS };
+
 @Injectable()
 export class StratumV1JobsService {
 
     public newMiningJob$: Observable<IJobTemplate>;
-
     public latestJobId: number = 1;
     public latestJobTemplateId: number = 1;
-
     public jobs: { [jobId: string]: MiningJob } = {};
-
     public blocks: { [id: number]: IJobTemplate } = {};
 
-    // offset the interval so that all the cluster processes don't try and refresh at the same time.
-    private delay = process.env.NODE_APP_INSTANCE == null ? 0 : parseInt(process.env.NODE_APP_INSTANCE) * 5000;
     private lastBlockHeight = 0;
-    private lastWorkSignature: string;
+    private jobRetentionMs = parseInt(process.env.JOB_RETENTION_MS) || 600000;
+    private jobOrder: string[] = [];
+    private blockOrder: string[] = [];
+    private jobOrderSet = new Set<string>();
+    private blockOrderSet = new Set<string>();
 
     constructor(
         private readonly bitcoinRpcService: BitcoinRpcService
     ) {
 
-        const refreshInterval$ = this.delay > 0
+        this.newMiningJob$ = this.bitcoinRpcService.newBlockTemplate$.pipe(
-            ? interval(60000).pipe(delay(this.delay), startWith(-1))
+            map((blockTemplate) => {
-            : interval(60000).pipe(startWith(-1));
 
-        this.newMiningJob$ = combineLatest([this.bitcoinRpcService.newBlock$, refreshInterval$]).pipe(
+                if (process.env.MASTER == 'true') {
-            switchMap(([miningInfo, interval]) => {
+                    console.log('Updating block template');
-                return from(this.bitcoinRpcService.getBlockTemplate(miningInfo.blocks)).pipe(map((blockTemplate) => {
+                }
-                    return {
-                        blockTemplate,
-                        miningInfo
-                    }
-                }))
-            }),
-            map(({ blockTemplate, miningInfo }) => {
 
                 let clearJobs = false;
-                const currentBlockHeight = miningInfo.blocks;
+                const currentBlockHeight = this.bitcoinRpcService.miningInfo.blocks;
 
-                if (this.lastBlockHeight == 0 || this.lastBlockHeight != currentBlockHeight) {
+                if(this.lastBlockHeight == 0 || this.lastBlockHeight != currentBlockHeight){
+                    console.log('New template is new block, clearing jobs');
                     clearJobs = true;
                     this.lastBlockHeight = currentBlockHeight;
-                    console.log('new block');
                 }
 
                 const currentTime = Math.floor(new Date().getTime() / 1000);
-                const timestamp = blockTemplate.mintime > currentTime ? blockTemplate.mintime : currentTime;
-                const workSignature = [
-                    blockTemplate.previousblockhash,
-                    blockTemplate.version,
-                    blockTemplate.bits,
-                    timestamp,
-                    blockTemplate.height,
-                    blockTemplate.coinbasevalue,
-                    ...blockTemplate.transactions.map(tx => tx.hash ?? tx.txid ?? tx.data)
-                ].join('|');
-
-                if (!clearJobs && workSignature === this.lastWorkSignature) {
-                    return null;
-                }
-                this.lastWorkSignature = workSignature;
-
                 return {
                     version: blockTemplate.version,
                     bits: parseInt(blockTemplate.bits, 16),
                     prevHash: this.convertToLittleEndian(blockTemplate.previousblockhash),
                     transactions: blockTemplate.transactions.map(t => bitcoinjs.Transaction.fromHex(t.data)),
                     coinbasevalue: blockTemplate.coinbasevalue,
-                    timestamp,
+                    timestamp: blockTemplate.mintime > currentTime ? blockTemplate.mintime : currentTime,
                     networkDifficulty: this.calculateNetworkDifficulty(parseInt(blockTemplate.bits, 16)),
                     clearJobs,
                     height: blockTemplate.height
@@ -139,28 +119,14 @@ export class StratumV1JobsService {
                 }
             }),
             tap((data) => {
-                if (data.blockData.clearJobs) {
+                this.cleanup(data.blockData.clearJobs);
-                    this.blocks = {};
-                    this.jobs = {};
-                }else{
-                    const now = new Date().getTime();
-                    // Delete old templates (5 minutes)
-                    for(const templateId in this.blocks){
-                        if(now - this.blocks[templateId].blockData.creation  > (1000 * 60 * 5)){
-                            delete this.blocks[templateId];
-                        }
-                    }
-                    // Delete old jobs (5 minutes)
-                    for (const jobId in this.jobs) {
-                        if(now - this.jobs[jobId].creation > (1000 * 60 * 5)){
-                            delete this.jobs[jobId];
-                        }
-                    }
-                }
                 this.blocks[data.blockData.id] = data;
+                this.trackBlock(data.blockData.id);
             }),
             shareReplay({ refCount: true, bufferSize: 1 })
         )
+
+        this.newMiningJob$.subscribe();
     }
 
     private calculateNetworkDifficulty(nBits: number) {
@@ -185,8 +151,80 @@ export class StratumV1JobsService {
         return this.blocks[jobTemplateId];
     }
 
+    public cleanup(clearJobs: boolean, now: number = Date.now()) {
+        if (clearJobs) {
+            for (const id of this.blockOrder) {
+                const block = this.blocks[id];
+                if (block != null && block.blockData.retiredAt === undefined) {
+                    block.blockData.retiredAt = now;
+                }
+            }
+            for (const jobId of this.jobOrder) {
+                const job = this.jobs[jobId];
+                if (job != null && job.retiredAt === undefined) {
+                    job.retiredAt = now;
+                }
+            }
+        }
+
+        this.ageEntries(
+            this.blocks,
+            this.blockOrder,
+            this.blockOrderSet,
+            now,
+            entry => entry.blockData.creation,
+            entry => entry.blockData.retiredAt,
+        );
+        this.ageEntries(
+            this.jobs,
+            this.jobOrder,
+            this.jobOrderSet,
+            now,
+            entry => entry.creation,
+            entry => entry.retiredAt,
+        );
+    }
+
+    private ageEntries<T>(
+        map: Record<string, T>,
+        order: string[],
+        orderSet: Set<string>,
+        now: number,
+        getCreation: (entry: T) => number,
+        getRetiredAt: (entry: T) => number | undefined,
+    ): void {
+        while (order.length > MIN_RETAINED) {
+            const id = order[0];
+            const entry = map[id];
+            if (entry == null) {
+                order.shift();
+                orderSet.delete(id);
+                continue;
+            }
+
+            const retiredAt = getRetiredAt(entry);
+
+            if (retiredAt !== undefined && now - retiredAt > this.jobRetentionMs) {
+                delete map[id];
+                order.shift();
+                orderSet.delete(id);
+                continue;
+            }
+
+            if (retiredAt === undefined && now - getCreation(entry) > this.jobRetentionMs * 2) {
+                delete map[id];
+                order.shift();
+                orderSet.delete(id);
+                continue;
+            }
+
+            break;
+        }
+    }
+
     public addJob(job: MiningJob) {
         this.jobs[job.jobId] = job;
+        this.trackJob(job.jobId);
         this.latestJobId++;
     }
 
@@ -194,6 +232,13 @@ export class StratumV1JobsService {
         return this.jobs[jobId];
     }
 
+    public classifyJobForShare(job: MiningJob, now: number = Date.now()): 'active' | 'stale-creditable' | 'stale-rejected' {
+        if (job.retiredAt === undefined) {
+            return 'active';
+        }
+        return (now - job.retiredAt) <= STALE_GRACE_MS ? 'stale-creditable' : 'stale-rejected';
+    }
+
     public getNextTemplateId() {
         return this.latestJobTemplateId.toString(16);
     }
@@ -201,4 +246,20 @@ export class StratumV1JobsService {
         return this.latestJobId.toString(16);
     }
 
+    private trackJob(jobId: string): void {
+        if (this.jobOrderSet.has(jobId)) {
+            return;
+        }
+        this.jobOrderSet.add(jobId);
+        this.jobOrder.push(jobId);
+    }
+
+    private trackBlock(blockId: string): void {
+        if (this.blockOrderSet.has(blockId)) {
+            return;
+        }
+        this.blockOrderSet.add(blockId);
+        this.blockOrder.push(blockId);
+    }
+
 }

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

@@ -2,15 +2,13 @@ import { StratumV1Service } from './stratum-v1.service';
 
 describe('StratumV1Service', () => {
     const originalMaster = process.env.MASTER;
-    const originalNodeAppInstance = process.env.NODE_APP_INSTANCE;
+    const originalStratumPorts = process.env.STRATUM_PORTS;
-    const originalStratumPort = process.env.STRATUM_PORT;
+    const originalStratumSecure = process.env.STRATUM_SECURE;
-    const originalBackpressureEnabled = process.env.STRATUM_BACKPRESSURE_ENABLED;
+    const originalSecureStratumPorts = process.env.SECURE_STRATUM_PORTS;
-    const originalMaxConnectionsPerListener = process.env.STRATUM_MAX_CONNECTIONS_PER_LISTENER;
 
     let service: StratumV1Service;
     let clientService;
     let consoleLogSpy: jest.SpyInstance;
-    let consoleWarnSpy: jest.SpyInstance;
 
     beforeEach(() => {
         jest.useFakeTimers();
@@ -25,106 +23,49 @@ describe('StratumV1Service', () => {
             {} as any,
             {} as any,
             {} as any,
-            {} as any,
             {} as any
         );
         consoleLogSpy = jest.spyOn(console, 'log').mockImplementation(() => undefined);
-        consoleWarnSpy = jest.spyOn(console, 'warn').mockImplementation(() => undefined);
     });
 
     afterEach(() => {
         restoreEnv('MASTER', originalMaster);
-        restoreEnv('NODE_APP_INSTANCE', originalNodeAppInstance);
+        restoreEnv('STRATUM_PORTS', originalStratumPorts);
-        restoreEnv('STRATUM_PORT', originalStratumPort);
+        restoreEnv('STRATUM_SECURE', originalStratumSecure);
-        restoreEnv('STRATUM_BACKPRESSURE_ENABLED', originalBackpressureEnabled);
+        restoreEnv('SECURE_STRATUM_PORTS', originalSecureStratumPorts);
-        restoreEnv('STRATUM_MAX_CONNECTIONS_PER_LISTENER', originalMaxConnectionsPerListener);
         consoleLogSpy.mockRestore();
-        consoleWarnSpy.mockRestore();
         jest.useRealTimers();
     });
 
     it('should skip Stratum listeners in the master process', async () => {
         process.env.MASTER = 'true';
         const startSocketServerSpy = jest.spyOn(service as any, 'startSocketServer');
+        const startSecureSocketServerSpy = jest.spyOn(service as any, 'startSecureSocketServer');
 
         await service.onModuleInit();
         jest.runOnlyPendingTimers();
 
         expect(clientService.deleteAll).toHaveBeenCalled();
         expect(startSocketServerSpy).not.toHaveBeenCalled();
+        expect(startSecureSocketServerSpy).not.toHaveBeenCalled();
         expect(consoleLogSpy).toHaveBeenCalledWith('Master process skipping Stratum socket listeners');
     });
 
-    it('should start the Stratum listener in worker processes', async () => {
+    it('should start Stratum listeners in worker processes', async () => {
         process.env.MASTER = 'false';
-        process.env.STRATUM_PORT = '3334';
+        process.env.STRATUM_PORTS = '3333,3334';
+        process.env.STRATUM_SECURE = 'true';
+        process.env.SECURE_STRATUM_PORTS = '4333';
         const startSocketServerSpy = jest.spyOn(service as any, 'startSocketServer').mockImplementation(() => undefined);
+        const startSecureSocketServerSpy = jest.spyOn(service as any, 'startSecureSocketServer').mockImplementation(() => undefined);
 
         await service.onModuleInit();
         jest.advanceTimersByTime(10000);
 
         expect(clientService.deleteAll).not.toHaveBeenCalled();
+        expect(startSocketServerSpy).toHaveBeenCalledWith(3333);
         expect(startSocketServerSpy).toHaveBeenCalledWith(3334);
-    });
+        expect(startSecureSocketServerSpy).toHaveBeenCalledWith(4333);
-
-    it('should pause listeners when worker backpressure is high', () => {
-        const close = jest.fn((callback?: (error?: Error) => void) => callback?.());
-        (service as any).listeners.push({
-            port: 3333,
-            server: { close },
-            paused: false
-        });
-        jest.spyOn(service as any, 'getEventLoopP95Ms').mockReturnValue(5000);
-        jest.spyOn(service as any, 'getBackpressureEventLoopP95Ms').mockReturnValue(2000);
-
-        (service as any).checkBackpressure();
-
-        expect(close).toHaveBeenCalled();
-        expect((service as any).listeners[0].paused).toBe(true);
-        expect((service as any).listeners[0].server).toBeNull();
-        expect(consoleWarnSpy).toHaveBeenCalledWith(expect.stringContaining('Pausing Stratum accepts'));
-    });
-
-    it('should resume listeners after consecutive healthy backpressure checks', () => {
-        (service as any).listeners.push({
-            port: 3333,
-            server: null,
-            paused: true
-        });
-        jest.spyOn(service as any, 'getEventLoopP95Ms').mockReturnValue(50);
-        jest.spyOn(service as any, 'getBackpressureEventLoopP95Ms').mockReturnValue(2000);
-        jest.spyOn(service as any, 'getBackpressureResumeEventLoopP95Ms').mockReturnValue(250);
-        jest.spyOn(service as any, 'getBackpressureResumeRssMb').mockReturnValue(Number.MAX_SAFE_INTEGER);
-        jest.spyOn(service as any, 'getBackpressureHealthyChecks').mockReturnValue(2);
-        const listenSpy = jest.spyOn(service as any, 'listen').mockImplementation((listener: any) => {
-            listener.server = {};
-            listener.paused = false;
-        });
-
-        (service as any).checkBackpressure();
-        expect(listenSpy).not.toHaveBeenCalled();
-
-        (service as any).checkBackpressure();
-
-        expect(listenSpy).toHaveBeenCalledWith((service as any).listeners[0]);
-        expect((service as any).listeners[0].paused).toBe(false);
-        expect(consoleWarnSpy).toHaveBeenCalledWith(expect.stringContaining('Resuming Stratum accepts'));
-    });
-
-    it('should cap listener connections and drop excess cluster connections', () => {
-        process.env.STRATUM_MAX_CONNECTIONS_PER_LISTENER = '250';
-        const server = {} as any;
-
-        (service as any).configureConnectionLimit(server);
-
-        expect(server.maxConnections).toBe(250);
-        expect(server.dropMaxConnection).toBe(true);
-    });
-
-    it('should allow high-volume pools by default', () => {
-        delete process.env.STRATUM_MAX_CONNECTIONS_PER_LISTENER;
-
-        expect((service as any).getMaxConnectionsPerListener()).toBe(10000);
     });
 
     function restoreEnv(key: string, value: string | undefined) {

src/services/stratum-v1.service.ts

@@ -1,7 +1,6 @@
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import { Server, Socket } from 'net';
-import { monitorEventLoopDelay } from 'perf_hooks';
 
 import { StratumV1Client } from '../models/StratumV1Client';
 import { AddressSettingsService } from '../ORM/address-settings/address-settings.service';
@@ -9,32 +8,22 @@ import { BlocksService } from '../ORM/blocks/blocks.service';
 import { ClientStatisticsService } from '../ORM/client-statistics/client-statistics.service';
 import { ClientService } from '../ORM/client/client.service';
 import { BitcoinRpcService } from './bitcoin-rpc.service';
-import { ExternalSharesService } from './external-shares.service';
 import { NotificationService } from './notification.service';
 import { StratumV1JobsService } from './stratum-v1-jobs.service';
 
-interface StratumListenerState {
+import { readFileSync } from 'fs';
-    port: number;
+import { TlsOptions, TLSSocket, createServer } from 'tls';
-    server: Server | null;
+import * as path from 'path';
-    paused: boolean;
-}
 
-const DEFAULT_BACKPRESSURE_CHECK_INTERVAL_MS = 5000;
-const DEFAULT_BACKPRESSURE_EVENT_LOOP_P95_MS = 2000;
-const DEFAULT_BACKPRESSURE_EVENT_LOOP_RESUME_P95_MS = 250;
-const DEFAULT_BACKPRESSURE_RSS_MB = 2500;
-const DEFAULT_BACKPRESSURE_RESUME_RSS_MB = 2000;
-const DEFAULT_BACKPRESSURE_HEALTHY_CHECKS = 3;
-const DEFAULT_MAX_CONNECTIONS_PER_LISTENER = 10000;
 
 
 @Injectable()
 export class StratumV1Service implements OnModuleInit {
 
-    private readonly listeners: StratumListenerState[] = [];
+    private socketTimeout = 0;
-    private readonly eventLoopDelay = monitorEventLoopDelay({ resolution: 20 });
+    private emptySocket = 0;
-    private backpressureMonitor: NodeJS.Timeout | null = null;
+    private normalClosure = 0;
-    private healthyBackpressureChecks = 0;
+    private errorClosure = 0;
 
     constructor(
         private readonly bitcoinRpcService: BitcoinRpcService,
@@ -44,46 +33,45 @@ export class StratumV1Service implements OnModuleInit {
         private readonly blocksService: BlocksService,
         private readonly configService: ConfigService,
         private readonly stratumV1JobsService: StratumV1JobsService,
-        private readonly addressSettingsService: AddressSettingsService,
+        private readonly addressSettingsService: AddressSettingsService
-        private readonly externalSharesService: ExternalSharesService
     ) {
 
     }
 
     async onModuleInit(): Promise<void> {
 
-        if (process.env.NODE_APP_INSTANCE == '0' || process.env.MASTER == 'true') {
-            await this.clientService.deleteAll();
-        }
-
         if (process.env.MASTER == 'true') {
+            await this.clientService.deleteAll();
             console.log('Master process skipping Stratum socket listeners');
             return;
         }
 
+        // wait for all the other processes to init for an even connection distribution 
         setTimeout(() => {
-            this.startSocketServer(this.getStratumPort());
+            process.env.STRATUM_PORTS.split(',').forEach(port => {
-        }, 1000 * 10);
+                this.startSocketServer(parseInt(port));
+            });
+            if (process.env.STRATUM_SECURE?.toLowerCase() === 'true') {
+                process.env.SECURE_STRATUM_PORTS.split(',').forEach(port => {
+                    this.startSecureSocketServer(parseInt(port));
+                });
+            }
+        }, (10000));
 
-        this.startBackpressureMonitor();
+        setInterval(() => {
+            console.log(`Socket stats: ${this.emptySocket} empty, ${this.socketTimeout} timeouts, ${this.normalClosure} normal closure, ${this.errorClosure} error closure`);
+            this.emptySocket = 0;
+            this.socketTimeout = 0;
+            this.normalClosure = 0;
+            this.errorClosure = 0;
+        }, 1000 * 60);
 
     }
 
     private startSocketServer(port: number) {
-        const listener: StratumListenerState = {
-            port,
-            server: null,
-            paused: false
-        };
-        this.listeners.push(listener);
-        this.listen(listener);
-    }
-
-    private createSocketServer(): Server {
         const server = new Server(async (socket: Socket) => {
-
+            // Set 15-minute timeout
-            //5 min
+            socket.setTimeout(1000 * 60 * 15);
-            socket.setTimeout(1000 * 60 * 5);
 
             const client = new StratumV1Client(
                 socket,
@@ -94,184 +82,132 @@ export class StratumV1Service implements OnModuleInit {
                 this.notificationService,
                 this.blocksService,
                 this.configService,
-                this.addressSettingsService,
+                this.addressSettingsService
-                this.externalSharesService
             );
 
+            // Unified cleanup function
+            const cleanup = async (reason: string) => {
+                if (client.extraNonceAndSessionId != null) {
+                    await client.destroy();
+                    if (reason == 'Error') {
+                        this.errorClosure++;
+                    } else {
+                        this.normalClosure++;
+                    }
+                }
+                if (!socket.destroyed) {
+                    socket.end();
+                    socket.destroy();
+                }
+            };
+
+            // Handle client disconnection
+            socket.on('close', async (hadError: boolean) => {
+                await cleanup(hadError ? "Error" : "Normal Closure");
+            });
+
+            // Handle socket timeouts
+            socket.on('timeout', async () => {
+                if (socket.bytesRead == 0 || socket.bytesWritten == 0) {
+                    this.emptySocket++;
+                } else {
+                    this.socketTimeout++;
+                }
+                await cleanup("Timeout");
+            });
+
+            // Handle errors properly
+            socket.on('error', async (error: Error) => {
+                await cleanup("Error");
+            });
+
+            //
+
+
+        });
+
+        // Ensure server itself handles errors
+        server.on('error', (err) => {
+            console.error(`Server error: ${err.message}`);
+        });
+
+        server.listen(port, () => {
+            console.log(`Stratum server is listening on port ${port}`);
+        });
+
+    }
+
+    private startSecureSocketServer(port: number) {
+
+        const currentDirectory = process.cwd();
+        const keyPath = path.join(currentDirectory, 'secrets', 'key.pem');
+        const certPath = path.join(currentDirectory, 'secrets', 'cert.pem');
+
+        const tlsOptions: TlsOptions = {
+            key: readFileSync(keyPath),
+            cert: readFileSync(certPath),
+        };
+
+        const server = createServer(tlsOptions, async (socket: TLSSocket) => {
+            // Set 15-minute timeout
+            socket.setTimeout(1000 * 60 * 15);
+
+            const client = new StratumV1Client(
+                socket,
+                this.stratumV1JobsService,
+                this.bitcoinRpcService,
+                this.clientService,
+                this.clientStatisticsService,
+                this.notificationService,
+                this.blocksService,
+                this.configService,
+                this.addressSettingsService
+            );
+
+            const cleanup = async (reason: string) => {
+                if (client.extraNonceAndSessionId != null) {
+                    await client.destroy();
+                    if (reason === 'Error') {
+                        this.errorClosure++;
+                    } else {
+                        this.normalClosure++;
+                    }
+                }
+                if (!socket.destroyed) {
+                    socket.end();
+                    socket.destroy();
+                }
+            };
 
             socket.on('close', async (hadError: boolean) => {
-                if (client.extraNonceAndSessionId != null) {
+                await cleanup(hadError ? 'Error' : 'Normal Closure');
-                    // Handle socket disconnection
+            });
-                    await client.destroy();
+
-                    console.log(`Client ${client.extraNonceAndSessionId} disconnected, hadError?:${hadError}`);
+            socket.on('timeout', async () => {
+                if (socket.bytesRead === 0 || socket.bytesWritten === 0) {
+                    this.emptySocket++;
+                } else {
+                    this.socketTimeout++;
                 }
+                await cleanup('Timeout');
             });
 
-            socket.on('timeout', () => {
+            socket.on('error', async (error: Error) => {
-                console.log('socket timeout');
+                await cleanup('Error');
-                socket.end();
-                socket.destroy();
             });
 
-            socket.on('error', async (error: Error) => { });
+            // your protocol handling stays the same
-
-            //   //console.log(`Client disconnected, socket error,  ${client.extraNonceAndSessionId}`);
-
-
         });
 
         server.on('error', (err) => {
             console.error(`Server error: ${err.message}`);
         });
-        this.configureConnectionLimit(server);
 
-        return server;
+        server.listen(port, () => {
-    }
+            console.log(`Stratum TLS server is listening on port ${port}`);
-
-    private listen(listener: StratumListenerState) {
-        if (listener.server != null) {
-            return;
-        }
-
-        const server = this.createSocketServer();
-        listener.server = server;
-        listener.paused = false;
-
-        server.listen(listener.port, () => {
-            console.log(`Stratum server is listening on port ${listener.port}`);
         });
-    }
-
-    private startBackpressureMonitor() {
-        if (this.isBackpressureDisabled() || this.backpressureMonitor != null) {
-            return;
-        }
-
-        this.eventLoopDelay.enable();
-        this.backpressureMonitor = setInterval(() => {
-            this.checkBackpressure();
-        }, this.getBackpressureCheckIntervalMs());
-    }
-
-    private checkBackpressure() {
-        const eventLoopP95Ms = this.getEventLoopP95Ms();
-        const rssMb = Math.round(process.memoryUsage().rss / 1024 / 1024);
-        const overloaded = eventLoopP95Ms >= this.getBackpressureEventLoopP95Ms()
-            || rssMb >= this.getBackpressureRssMb();
-        const paused = this.listeners.some(listener => listener.paused);
-
-        if (overloaded) {
-            this.healthyBackpressureChecks = 0;
-            if (!paused) {
-                this.pauseAccepting(eventLoopP95Ms, rssMb);
-            }
-            this.eventLoopDelay.reset();
-            return;
-        }
-
-        if (!paused) {
-            this.eventLoopDelay.reset();
-            return;
-        }
-
-        const healthy = eventLoopP95Ms <= this.getBackpressureResumeEventLoopP95Ms()
-            && rssMb <= this.getBackpressureResumeRssMb();
-        if (!healthy) {
-            this.healthyBackpressureChecks = 0;
-            this.eventLoopDelay.reset();
-            return;
-        }
-
-        this.healthyBackpressureChecks++;
-        if (this.healthyBackpressureChecks >= this.getBackpressureHealthyChecks()) {
-            this.resumeAccepting(eventLoopP95Ms, rssMb);
-            this.healthyBackpressureChecks = 0;
-        }
-
-        this.eventLoopDelay.reset();
-    }
-
-    private pauseAccepting(eventLoopP95Ms: number, rssMb: number) {
-        console.warn(`Pausing Stratum accepts: eventLoopP95Ms=${eventLoopP95Ms}, rssMb=${rssMb}`);
-        for (const listener of this.listeners) {
-            if (listener.paused || listener.server == null) {
-                continue;
-            }
-
-            const server = listener.server;
-            listener.server = null;
-            listener.paused = true;
-            server.close((error) => {
-                if (error != null) {
-                    console.error(`Error while pausing Stratum listener on port ${listener.port}: ${error.message}`);
-                }
-            });
-        }
-    }
-
-    private resumeAccepting(eventLoopP95Ms: number, rssMb: number) {
-        console.warn(`Resuming Stratum accepts: eventLoopP95Ms=${eventLoopP95Ms}, rssMb=${rssMb}`);
-        for (const listener of this.listeners) {
-            if (!listener.paused || listener.server != null) {
-                continue;
-            }
-
-            this.listen(listener);
-        }
-    }
-
-    private configureConnectionLimit(server: Server) {
-        server.maxConnections = this.getMaxConnectionsPerListener();
-        (server as Server & { dropMaxConnection: boolean }).dropMaxConnection = true;
-    }
-
-    private getEventLoopP95Ms() {
-        return Math.round(this.eventLoopDelay.percentile(95) / 1e6);
-    }
-
-    private isBackpressureDisabled() {
-        return process.env.STRATUM_BACKPRESSURE_ENABLED?.toLowerCase() === 'false';
-    }
-
-    private getBackpressureCheckIntervalMs() {
-        return this.getPositiveIntegerEnv('STRATUM_BACKPRESSURE_CHECK_INTERVAL_MS', DEFAULT_BACKPRESSURE_CHECK_INTERVAL_MS);
-    }
-
-    private getBackpressureEventLoopP95Ms() {
-        return this.getPositiveIntegerEnv('STRATUM_BACKPRESSURE_EVENT_LOOP_P95_MS', DEFAULT_BACKPRESSURE_EVENT_LOOP_P95_MS);
-    }
-
-    private getBackpressureResumeEventLoopP95Ms() {
-        return this.getPositiveIntegerEnv('STRATUM_BACKPRESSURE_EVENT_LOOP_RESUME_P95_MS', DEFAULT_BACKPRESSURE_EVENT_LOOP_RESUME_P95_MS);
-    }
-
-    private getBackpressureRssMb() {
-        return this.getPositiveIntegerEnv('STRATUM_BACKPRESSURE_RSS_MB', DEFAULT_BACKPRESSURE_RSS_MB);
-    }
-
-    private getBackpressureResumeRssMb() {
-        return this.getPositiveIntegerEnv('STRATUM_BACKPRESSURE_RESUME_RSS_MB', DEFAULT_BACKPRESSURE_RESUME_RSS_MB);
-    }
-
-    private getBackpressureHealthyChecks() {
-        return this.getPositiveIntegerEnv('STRATUM_BACKPRESSURE_HEALTHY_CHECKS', DEFAULT_BACKPRESSURE_HEALTHY_CHECKS);
-    }
-
-    private getMaxConnectionsPerListener() {
-        return this.getPositiveIntegerEnv('STRATUM_MAX_CONNECTIONS_PER_LISTENER', DEFAULT_MAX_CONNECTIONS_PER_LISTENER);
-    }
-
-    private getStratumPort() {
-        return this.getPositiveIntegerEnv('STRATUM_PORT', 3333);
-    }
-
-    private getPositiveIntegerEnv(key: string, fallback: number) {
-        const configured = parseInt(process.env[key], 10);
-        if (Number.isFinite(configured) && configured > 0) {
-            return configured;
-        }
-        return fallback;
 
     }
 
+
 }

src/utils/difficulty.utils.ts

@@ -1,24 +0,0 @@
-import * as bitcoinjs from 'bitcoinjs-lib';
-
-const TRUE_DIFF_ONE = 2.695953529101131e67;
-
-export class DifficultyUtils {
-  static calculateDifficulty(header: Buffer): { submissionDifficulty: number; submissionHash: string } {
-    const hashResult = bitcoinjs.crypto.hash256(Buffer.isBuffer(header) ? header : Buffer.from(header, 'hex'));
-    const target = DifficultyUtils.le256todouble(hashResult);
-    const difficulty = target === 0 ? Number.POSITIVE_INFINITY : TRUE_DIFF_ONE / target;
-    
-    return { 
-      submissionDifficulty: difficulty,
-      submissionHash: hashResult.toString('hex') 
-    };
-  }
-
-  private static le256todouble(target: Buffer): number {
-    let number = 0;
-    for (let i = target.length - 1; i >= 0; i--) {
-      number = number * 256 + target[i];
-    }
-    return number;
-  }
-}

test/models/MockRecording1.ts

@@ -2,10 +2,10 @@ import { IBlockTemplate } from '../../src/models/bitcoin-rpc/IBlockTemplate';
 
 export class MockRecording1 {
     public static EXTRA_NONCE = `57a6f098`;
-    public static MINING_SUBSCRIBE = `{"id": 1, "method": "mining.subscribe", "params": ["bitaxe v2.2"]}\n`;
+    public static MINING_SUBSCRIBE = `{"id": 1, "method": "mining.subscribe", "params": ["bitaxe v2.2"]}`;
-    public static MINING_CONFIGURE = `{"id": 2, "method": "mining.configure", "params": [["version-rolling"], {"version-rolling.mask": "ffffffff"}]}\n`;
+    public static MINING_CONFIGURE = `{"id": 2, "method": "mining.configure", "params": [["version-rolling"], {"version-rolling.mask": "ffffffff"}]}`;
-    public static MINING_AUTHORIZE = `{"id": 3, "method": "mining.authorize", "params": ["tb1qumezefzdeqqwn5zfvgdrhxjzc5ylr39uhuxcz4.bitaxe3", "x"]}\n`;
+    public static MINING_AUTHORIZE = `{"id": 3, "method": "mining.authorize", "params": ["tb1qumezefzdeqqwn5zfvgdrhxjzc5ylr39uhuxcz4.bitaxe3", "x"]}`;
-    public static MINING_SUGGEST_DIFFICULTY = `{"id": 4, "method": "mining.suggest_difficulty", "params": [512]}\n`;
+    public static MINING_SUGGEST_DIFFICULTY = `{"id": 4, "method": "mining.suggest_difficulty", "params": [512]}`;
     public static BLOCK_TEMPLATE: IBlockTemplate = { "capabilities": ["proposal"], "version": 536870912, "rules": ["csv", "!segwit", "taproot"], "vbavailable": {}, "vbrequired": 0, "previousblockhash": "00000000000000022246451e9af7ac4f8bff2527d223f6e623740e92171592f2", "transactions": [{ "data": "02000000000101c3efa41c94ee24dd6c6aaccab0f27e9d2baf92e5112bff15cc463b600e4e3a3c0100000000fdffffff024ea319000000000017a914a5b8d32a6388f02204a1445bd623150ee3b851d18765d67b000000000017a914a316e3a4eaeee9cbee9c254c3292830281a8c9c38702473044022065fbcd2918e8b52c3af8c4ae21b3646d7a12f66ddcaa73a68273f5806527c0da0220291f555dd120bb9eadb144ccf4203db659b78d79bffcd37a29016da068f3abb9012102baab4d464b57771f5108f40ffc31b7242c5b430a61d4bfead024d715c441f3f3c7432500", "txid": "a174b99a87c899e66854ba6f101799ac852ef588ec69299846875e9d64355317", "hash": "748f4db5e45dab6a9903f50e7e760470ce80ac219c637d61418667a0ccb6c536", "depends": [], "fee": 14300, "sigops": 1, "weight": 569 }, { "data": "01000000018985719caa78472c8fad7efa88fc109c6faf6df3dc3a690656479e53c6b10fe9030000006b483045022100e7abb2f2f7e6cfad680efe10a7fc218d685a9cce929b1a4e62fcb726228ac9b50220538f3d2eb36d277bcadf00f3ac2abbaf80395c389e1f8048dc95fdf6204cf1840121037435c194e9b01b3d7f7a2802d6684a3af68d05bbf4ec8f17021980d777691f1dfdffffff040000000000000000536a4c5054325b0b15aaff5c59aab47ce39829055c3007922e2934d3b7c9f51238f8d4a98718da4f9c99a6692adacd0e324b7775eebe151c4f3ad37fcc5f9303eed491a02638b8002543c70002002543a7000a4c10270000000000001976a914000000000000000000000000000000000000000088ac10270000000000001976a914000000000000000000000000000000000000000088aca99f6412000000001976a914ba27f99e007c7f605a8305e318c1abde3cd220ac88ac00000000", "txid": "c34ac3f822a0b49f298be1a25fc9e9dd375c23985ed2656f7cf7d87b67fee1c0", "hash": "c34ac3f822a0b49f298be1a25fc9e9dd375c23985ed2656f7cf7d87b67fee1c0", "depends": [], "fee": 9153, "sigops": 12, "weight": 1408 }, { "data": "020000000001013f8e5ebf5620f2c62c9c4e4f77bb4eb903699620da372ad44f666a552e5b9fc801000000171600148442ee1fe3742153a6b40623d363a22ceed677c3ffffffff02bc0200000000000017a91470b93cf7ead31ef24b71159388c2e8e147f755b987aa0415000000000017a9145506e665bcf63e1225100d7c8613a640699fd5d087024730440220215cd74141ebcde3aee383f232dfd2c6b011645012f35714781d28d4a6959829022017ea40a15f4116bbf0a6f86dc0af08758d9a74673498a61164ed13e9d1c712e501210294184e8093958861740c4ce32e724a24b7df7eeb04702cae274652e86b01f83a00000000", "txid": "5aaf2fa707da25c24374b87d89c420c9e4c51022a4bbed4cc91614831f359366", "hash": "2c19268e65cc223c5fac9666883ecc1d10e680c54a4fdbbb3e4775f886b0feec", "depends": [], "fee": 491, "sigops": 1, "weight": 661 }, { "data": "020000000001012c53f5b0a12cadb57602466e703e60272183b75f3366073f4841dac8e616f2740000000000feffffff02e80300000000000016001496e381bd3fe4bae631adc5a5a420fb9124e5480af0a8100000000000160014cd06fc96fea44c6c5e074ba16dd20b222a0a9b32024730440220440ba2252ea6f70f1b8106897984330a997ef504f7f0dbb89679e44309026f2b02207074ad7dbd9a2bd37a41352527b7f3e68612956fe2085a0eb0b41f97f6a3599d012103b3ecf0f44126019a94a818245e35ecff1582c2900a38487a306fcd91bdb28003c8432500", "txid": "69770cf296b64329e784a5666fb0eab034fbb1780bf067f4e1606874c214f01d", "hash": "fadcaa8de64274e63c093592ed6d8c6b7584bb92c0e8d9c49f02a4df11f6f69d", "depends": [], "fee": 141, "sigops": 1, "weight": 561 }, { "data": "01000000019e03cd78895f6876932501b66eab1e44611d48b4c5029d250b7d2d6073b44b68000000006b48304502210088dfbeb842d54893987e5afb87b70fe70e7b91ebad740782515c44464b19a74202205a6bc47ad6c925f85aa29b2be1a174efcc30a4ad8ed6cfe6236b66d7a4f8d96f01210259530ee281106e237ac3aa801d1f7699ada05501186401da78b7d88849bbda8bffffffff0204ce3900000000001976a91419803f0d83a1b58348a4617c743638bbf9ec235588ac44ce5c01000000001976a9149e38aebe02be7cecacdb521f514cffe445c5533788ac00000000", "txid": "2137ca428d6233e680cea25c428b984391314d872a1a0f5f7b8dc8cfc4474c44", "hash": "2137ca428d6233e680cea25c428b984391314d872a1a0f5f7b8dc8cfc4474c44", "depends": [], "fee": 226, "sigops": 8, "weight": 904 }], "coinbaseaux": {}, "coinbasevalue": 2465717, "longpollid": "00000000000000022246451e9af7ac4f8bff2527d223f6e623740e92171592f29370", "target": "000000000000002495f800000000000000000000000000000000000000000000", "mintime": 1689512405, "mutable": ["time", "transactions", "prevblock"], "noncerange": "00000000ffffffff", "sigoplimit": 80000, "sizelimit": 4000000, "weightlimit": 4000000, "curtime": 1689514989, "bits": "192495f8", "height": 2442185, "default_witness_commitment": "6a24aa21a9edbd3d1d916aa0b57326a2d88ebe1b68a1d7c48585f26d8335fe6a94b62755f64c" };
     public static MINING_SUBMIT = `{"id": 5, "method": "mining.submit", "params": ["tb1qumezefzdeqqwn5zfvgdrhxjzc5ylr39uhuxcz4.bitaxe3", "1", "c708000000000000", "64b3f3ec", "ed460d91", "00002000"]}`;
     public static TIME = '64b3f3ec';