Create stacked pools historical hashrates to see dominance over time

backend/src/api/database-migration.ts

@@ -6,7 +6,7 @@ import logger from '../logger';
 const sleep = (ms: number) => new Promise(res => setTimeout(res, ms));
 
 class DatabaseMigration {
-  private static currentVersion = 7;
+  private static currentVersion = 8;
   private queryTimeout = 120000;
   private statisticsAddedIndexed = false;
 
@@ -122,6 +122,14 @@ class DatabaseMigration {
         await this.$executeQuery(connection, this.getCreateDailyStatsTableQuery(), await this.$checkIfTableExists('hashrates'));
       }
 
+      if (databaseSchemaVersion < 8 && isBitcoin === true) {
+        await this.$executeQuery(connection, 'TRUNCATE hashrates;');
+        await this.$executeQuery(connection, 'ALTER TABLE `hashrates` DROP INDEX `PRIMARY`');
+        await this.$executeQuery(connection, 'ALTER TABLE `hashrates` ADD `id` int NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST');
+        await this.$executeQuery(connection, 'ALTER TABLE `hashrates` ADD `share` float NOT NULL DEFAULT "0"');
+        await this.$executeQuery(connection, 'ALTER TABLE `hashrates` ADD `type` enum("daily", "weekly") DEFAULT "daily"');
+      }
+
       connection.release();
     } catch (e) {
       connection.release();

backend/src/api/mining.ts

@@ -83,8 +83,15 @@ class Mining {
   /**
    * Return the historical hashrates and oldest indexed block timestamp
    */
-  public async $getHistoricalHashrates(interval: string | null): Promise<object> {
+  public async $getNetworkHistoricalHashrates(interval: string | null): Promise<object> {
-    return await HashratesRepository.$get(interval);
+    return await HashratesRepository.$getNetworkDailyHashrate(interval);
+  }
+
+  /**
+   * Return the historical hashrates and oldest indexed block timestamp for one or all pools
+   */
+   public async $getPoolsHistoricalHashrates(interval: string | null, poolId: number): Promise<object> {
+    return await HashratesRepository.$getPoolsWeeklyHashrate(interval);
   }
 
   /**
@@ -106,7 +113,7 @@ class Mining {
     logger.info(`Indexing hashrates`);
 
     const totalDayIndexed = (await BlocksRepository.$blockCount(null, null)) / 144;
-    const indexedTimestamp = (await HashratesRepository.$get(null)).map(hashrate => hashrate.timestamp);
+    const indexedTimestamp = (await HashratesRepository.$getNetworkDailyHashrate(null)).map(hashrate => hashrate.timestamp);
     let startedAt = new Date().getTime() / 1000;
     const genesisTimestamp = 1231006505; // bitcoin-cli getblock 000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f
     const lastMidnight = new Date();
@@ -135,27 +142,50 @@ class Mining {
       lastBlockHashrate = await bitcoinClient.getNetworkHashPs(blockStats.blockCount,
         blockStats.lastBlockHeight);
 
-      const elapsedSeconds = Math.max(1, Math.round((new Date().getTime() / 1000) - startedAt));
+      if (totalIndexed % 7 === 0 && !indexedTimestamp.includes(fromTimestamp + 1)) { // Save weekly pools hashrate
-      if (elapsedSeconds > 10) {
+        logger.debug("Indexing weekly hashrates for mining pools");
-        const daysPerSeconds = Math.max(1, Math.round(indexedThisRun / elapsedSeconds));
+        let pools = await PoolsRepository.$getPoolsInfoBetween(fromTimestamp - 604800, fromTimestamp);
-        const formattedDate = new Date(fromTimestamp * 1000).toUTCString();
+        const totalBlocks = pools.reduce((acc, pool) => acc + pool.blockCount, 0);
-        const daysLeft = Math.round(totalDayIndexed - totalIndexed);
+        pools = pools.map((pool: any) => {
-        logger.debug(`Getting hashrate for ${formattedDate} | ~${daysPerSeconds} days/sec | ~${daysLeft} days left to index`);
+          pool.hashrate = (pool.blockCount / totalBlocks) * lastBlockHashrate;
-        startedAt = new Date().getTime() / 1000;
+          pool.share = (pool.blockCount / totalBlocks);
-        indexedThisRun = 0;
+          return pool;
+        });
+  
+        for (const pool of pools) {
+          hashrates.push({
+            hashrateTimestamp: fromTimestamp + 1,
+            avgHashrate: pool['hashrate'],
+            poolId: pool.poolId,
+            share: pool['share'],
+            type: 'weekly',
+          });
+        }
       }
 
       hashrates.push({
         hashrateTimestamp: fromTimestamp,
         avgHashrate: lastBlockHashrate,
         poolId: null,
+        share: 1,
+        type: 'daily',
       });
 
-      if (hashrates.length > 100) {
+      if (hashrates.length > 10) {
         await HashratesRepository.$saveHashrates(hashrates);
         hashrates.length = 0;
       }
 
+      const elapsedSeconds = Math.max(1, Math.round((new Date().getTime() / 1000) - startedAt));
+      if (elapsedSeconds > 5) {
+        const daysPerSeconds = (indexedThisRun / elapsedSeconds).toFixed(2);
+        const formattedDate = new Date(fromTimestamp * 1000).toUTCString();
+        const daysLeft = Math.round(totalDayIndexed - totalIndexed);
+        logger.debug(`Getting hashrate for ${formattedDate} | ~${daysPerSeconds} days/sec | ~${daysLeft} days left to index`);
+        startedAt = new Date().getTime() / 1000;
+        indexedThisRun = 0;
+      }
+
       toTimestamp -= 86400;
       ++indexedThisRun;
       ++totalIndexed;
@@ -166,7 +196,8 @@ class Mining {
       hashrates.push({
         hashrateTimestamp: genesisTimestamp,
         avgHashrate: await bitcoinClient.getNetworkHashPs(1, 1),
-        poolId: null
+        poolId: null,
+        type: 'daily',
       });
     }
 

backend/src/index.ts

@@ -297,8 +297,11 @@ class Server {
         .get(config.MEMPOOL.API_URL_PREFIX + 'mining/pool/:poolId/:interval', routes.$getPool)
         .get(config.MEMPOOL.API_URL_PREFIX + 'mining/difficulty', routes.$getHistoricalDifficulty)
         .get(config.MEMPOOL.API_URL_PREFIX + 'mining/difficulty/:interval', routes.$getHistoricalDifficulty)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'mining/hashrate/pools', routes.$getPoolsHistoricalHashrate)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'mining/hashrate/pools/:interval', routes.$getPoolsHistoricalHashrate)
         .get(config.MEMPOOL.API_URL_PREFIX + 'mining/hashrate', routes.$getHistoricalHashrate)
-        .get(config.MEMPOOL.API_URL_PREFIX + 'mining/hashrate/:interval', routes.$getHistoricalHashrate);
+        .get(config.MEMPOOL.API_URL_PREFIX + 'mining/hashrate/:interval', routes.$getHistoricalHashrate)
+      ;
     }
 
     if (config.BISQ.ENABLED) {

backend/src/repositories/BlocksRepository.ts

@@ -173,7 +173,7 @@ class BlocksRepository {
     } else {
       query += ` WHERE`;
     }
-    query += ` UNIX_TIMESTAMP(blockTimestamp) BETWEEN '${from}' AND '${to}'`;
+    query += ` blockTimestamp BETWEEN FROM_UNIXTIME('${from}') AND FROM_UNIXTIME('${to}')`;
 
     // logger.debug(query);
     const connection = await DB.pool.getConnection();
@@ -300,6 +300,10 @@ class BlocksRepository {
     const [rows]: any[] = await connection.query(query);
     connection.release();
 
+    for (let row of rows) {
+      delete row['rn'];
+    }
+
     return rows;
   }
 

backend/src/repositories/HashratesRepository.ts

@@ -1,6 +1,7 @@
 import { Common } from '../api/common';
 import { DB } from '../database';
 import logger from '../logger';
+import PoolsRepository from './PoolsRepository';
 
 class HashratesRepository {
   /**
@@ -8,10 +9,10 @@ class HashratesRepository {
    */
   public async $saveHashrates(hashrates: any) {
     let query = `INSERT INTO
-      hashrates(hashrate_timestamp, avg_hashrate, pool_id) VALUES`;
+      hashrates(hashrate_timestamp, avg_hashrate, pool_id, share, type) VALUES`;
 
     for (const hashrate of hashrates) {
-      query += ` (FROM_UNIXTIME(${hashrate.hashrateTimestamp}), ${hashrate.avgHashrate}, ${hashrate.poolId}),`;
+      query += ` (FROM_UNIXTIME(${hashrate.hashrateTimestamp}), ${hashrate.avgHashrate}, ${hashrate.poolId}, ${hashrate.share}, "${hashrate.type}"),`;
     }
     query = query.slice(0, -1);
 
@@ -26,10 +27,7 @@ class HashratesRepository {
     connection.release();
   }
 
-  /**
+  public async $getNetworkDailyHashrate(interval: string | null): Promise<any[]> {
-   * Returns an array of all timestamp we've already indexed
-   */
-  public async $get(interval: string | null): Promise<any[]> {
     interval = Common.getSqlInterval(interval);
 
     const connection = await DB.pool.getConnection();
@@ -38,7 +36,12 @@ class HashratesRepository {
       FROM hashrates`;
 
     if (interval) {
-      query += ` WHERE hashrate_timestamp BETWEEN DATE_SUB(NOW(), INTERVAL ${interval}) AND NOW()`;
+      query += ` WHERE hashrate_timestamp BETWEEN DATE_SUB(NOW(), INTERVAL ${interval}) AND NOW()
+        AND hashrates.type = 'daily'
+        AND pool_id IS NULL`;
+    } else {
+      query += ` WHERE hashrates.type = 'daily'
+        AND pool_id IS NULL`;
     }
 
     query += ` ORDER by hashrate_timestamp`;
@@ -49,6 +52,38 @@ class HashratesRepository {
     return rows;
   }
 
+  /**
+   * Returns the current biggest pool hashrate history
+   */
+  public async $getPoolsWeeklyHashrate(interval: string | null): Promise<any[]> {
+    interval = Common.getSqlInterval(interval);
+
+    const connection = await DB.pool.getConnection();
+    const topPoolsId = (await PoolsRepository.$getPoolsInfo('1w')).map((pool) => pool.poolId);
+
+    let query = `SELECT UNIX_TIMESTAMP(hashrate_timestamp) as timestamp, avg_hashrate as avgHashrate, share, pools.name as poolName
+      FROM hashrates
+      JOIN pools on pools.id = pool_id`;
+
+    if (interval) {
+      query += ` WHERE hashrate_timestamp BETWEEN DATE_SUB(NOW(), INTERVAL ${interval}) AND NOW()
+        AND hashrates.type = 'weekly'
+        AND pool_id IN (${topPoolsId})`;
+    } else {
+      query += ` WHERE hashrates.type = 'weekly'
+        AND pool_id IN (${topPoolsId})`;
+    }
+
+    query += ` ORDER by hashrate_timestamp, FIELD(pool_id, ${topPoolsId})`;
+
+    console.log(query);
+
+    const [rows]: any[] = await connection.query(query);
+    connection.release();
+
+    return rows;
+  }
+
   public async $setLatestRunTimestamp() {
     const connection = await DB.pool.getConnection();
     const query = `UPDATE state SET number = ? WHERE name = 'last_hashrates_indexing'`;

backend/src/repositories/PoolsRepository.ts

@@ -49,6 +49,22 @@ class PoolsRepository {
     return <PoolInfo[]>rows;
   }
 
+  /**
+   * Get basic pool info and block count between two timestamp
+   */
+   public async $getPoolsInfoBetween(from: number, to: number): Promise<PoolInfo[]> {
+    let query = `SELECT COUNT(height) as blockCount, pools.id as poolId, pools.name as poolName
+      FROM pools
+      LEFT JOIN blocks on pools.id = blocks.pool_id AND blocks.blockTimestamp BETWEEN FROM_UNIXTIME(?) AND FROM_UNIXTIME(?)
+      GROUP BY pools.id`;
+
+    const connection = await DB.pool.getConnection();
+    const [rows] = await connection.query(query, [from, to]);
+    connection.release();
+
+    return <PoolInfo[]>rows;
+  }
+
   /**
    * Get mining pool statistics for one pool
    */

backend/src/routes.ts

@@ -586,9 +586,25 @@ class Routes {
     }
   }
 
+  public async $getPoolsHistoricalHashrate(req: Request, res: Response) {
+    try {
+      const hashrates = await mining.$getPoolsHistoricalHashrates(req.params.interval ?? null, parseInt(req.params.poolId, 10));
+      const oldestIndexedBlockTimestamp = await BlocksRepository.$oldestBlockTimestamp();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
+      res.json({
+        oldestIndexedBlockTimestamp: oldestIndexedBlockTimestamp,
+        hashrates: hashrates,
+      });
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
   public async $getHistoricalHashrate(req: Request, res: Response) {
     try {
-      const hashrates = await mining.$getHistoricalHashrates(req.params.interval ?? null);
+      const hashrates = await mining.$getNetworkHistoricalHashrates(req.params.interval ?? null);
       const difficulty = await mining.$getHistoricalDifficulty(req.params.interval ?? null);
       const oldestIndexedBlockTimestamp = await BlocksRepository.$oldestBlockTimestamp();
       res.header('Pragma', 'public');

frontend/src/app/app-routing.module.ts

@@ -29,6 +29,7 @@ import { AssetsComponent } from './components/assets/assets.component';
 import { PoolComponent } from './components/pool/pool.component';
 import { MiningDashboardComponent } from './components/mining-dashboard/mining-dashboard.component';
 import { HashrateChartComponent } from './components/hashrate-chart/hashrate-chart.component';
+import { HashrateChartPoolsComponent } from './components/hashrates-chart-pools/hashrate-chart-pools.component';
 import { MiningStartComponent } from './components/mining-start/mining-start.component';
 
 let routes: Routes = [
@@ -78,6 +79,10 @@ let routes: Routes = [
             path: 'hashrate',
             component: HashrateChartComponent,
           },
+          {
+            path: 'hashrate/pools',
+            component: HashrateChartPoolsComponent,
+          },
           {
             path: 'pools',
             component: PoolRankingComponent,
@@ -89,10 +94,6 @@ let routes: Routes = [
                 path: ':poolId',
                 component: PoolComponent,
               },
-              {
-                path: ':poolId/hashrate',
-                component: HashrateChartComponent,
-              },
             ]
           },
         ]
@@ -193,6 +194,10 @@ let routes: Routes = [
                 path: 'hashrate',
                 component: HashrateChartComponent,
               },
+              {
+                path: 'hashrate/pools',
+                component: HashrateChartPoolsComponent,
+              },
               {
                 path: 'pools',
                 component: PoolRankingComponent,
@@ -204,10 +209,6 @@ let routes: Routes = [
                     path: ':poolId',
                     component: PoolComponent,
                   },
-                  {
-                    path: ':poolId/hashrate',
-                    component: HashrateChartComponent,
-                  },
                 ]
               },
             ]
@@ -302,6 +303,10 @@ let routes: Routes = [
                 path: 'hashrate',
                 component: HashrateChartComponent,
               },
+              {
+                path: 'hashrate/pools',
+                component: HashrateChartPoolsComponent,
+              },
               {
                 path: 'pools',
                 component: PoolRankingComponent,
@@ -313,10 +318,6 @@ let routes: Routes = [
                     path: ':poolId',
                     component: PoolComponent,
                   },
-                  {
-                    path: ':poolId/hashrate',
-                    component: HashrateChartComponent,
-                  },
                 ]
               },
             ]

frontend/src/app/app.constants.ts

@@ -71,7 +71,23 @@ export const chartColors = [
   "#263238",
 ];
 
-export const feeLevels = [1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200,
+export const poolsColor = {
+   'foundryusa': '#D81B60',
+   'antpool': '#8E24AA',
+   'f2pool': '#5E35B1',
+   'poolin': '#3949AB',
+   'binancepool': '#1E88E5',
+   'viabtc': '#039BE5',
+   'btccom': '#00ACC1',
+   'slushpool': '#00897B',
+   'sbicrypto': '#43A047',
+   'marapool': '#7CB342',
+   'luxor': '#C0CA33',
+   'unknown': '#FDD835',
+   'okkong': '#FFB300',
+}
+
+ export const feeLevels = [1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200,
   250, 300, 350, 400, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800, 2000];
 
 export interface Language {

frontend/src/app/app.module.ts

@@ -71,6 +71,7 @@ import { AssetGroupComponent } from './components/assets/asset-group/asset-group
 import { AssetCirculationComponent } from './components/asset-circulation/asset-circulation.component';
 import { MiningDashboardComponent } from './components/mining-dashboard/mining-dashboard.component';
 import { HashrateChartComponent } from './components/hashrate-chart/hashrate-chart.component';
+import { HashrateChartPoolsComponent } from './components/hashrates-chart-pools/hashrate-chart-pools.component';
 import { MiningStartComponent } from './components/mining-start/mining-start.component';
 import { AmountShortenerPipe } from './shared/pipes/amount-shortener.pipe';
 
@@ -126,6 +127,7 @@ import { AmountShortenerPipe } from './shared/pipes/amount-shortener.pipe';
     AssetCirculationComponent,
     MiningDashboardComponent,
     HashrateChartComponent,
+    HashrateChartPoolsComponent,
     MiningStartComponent,
     AmountShortenerPipe,
   ],

frontend/src/app/components/hashrate-chart/hashrate-chart.component.html

@@ -1,6 +1,6 @@
 <div [class]="widget === false ? 'full-container' : ''">
 
-  <div class="card-header mb-0 mb-lg-4" [style]="widget ? 'display:none' : ''">
+  <div class="card-header mb-0 mb-md-4" [style]="widget ? 'display:none' : ''">
     <form [formGroup]="radioGroupForm" class="formRadioGroup" *ngIf="(hashrateObservable$ | async) as hashrates">
       <div class="btn-group btn-group-toggle" ngbRadioGroup name="radioBasic" formControlName="dateSpan">
         <label ngbButtonLabel class="btn-primary btn-sm" *ngIf="hashrates.availableTimespanDay >= 90">

frontend/src/app/components/hashrates-chart-pools/hashrate-chart-pools.component.html

@@ -0,0 +1,58 @@
+<div [class]="widget === false ? 'full-container' : ''">
+
+  <div class="card-header mb-0 mb-md-4" [style]="widget ? 'display:none' : ''">
+    <form [formGroup]="radioGroupForm" class="formRadioGroup" *ngIf="(hashrateObservable$ | async) as hashrates">
+      <div class="btn-group btn-group-toggle" ngbRadioGroup name="radioBasic" formControlName="dateSpan">
+        <label ngbButtonLabel class="btn-primary btn-sm" *ngIf="hashrates.availableTimespanDay >= 90">
+          <input ngbButton type="radio" [value]="'3m'"> 3M
+        </label>
+        <label ngbButtonLabel class="btn-primary btn-sm" *ngIf="hashrates.availableTimespanDay >= 180">
+          <input ngbButton type="radio" [value]="'6m'"> 6M
+        </label>
+        <label ngbButtonLabel class="btn-primary btn-sm" *ngIf="hashrates.availableTimespanDay >= 365">
+          <input ngbButton type="radio" [value]="'1y'"> 1Y
+        </label>
+        <label ngbButtonLabel class="btn-primary btn-sm" *ngIf="hashrates.availableTimespanDay >= 730">
+          <input ngbButton type="radio" [value]="'2y'"> 2Y
+        </label>
+        <label ngbButtonLabel class="btn-primary btn-sm" *ngIf="hashrates.availableTimespanDay >= 1095">
+          <input ngbButton type="radio" [value]="'3y'"> 3Y
+        </label>
+        <label ngbButtonLabel class="btn-primary btn-sm">
+          <input ngbButton type="radio" [value]="'all'"> ALL
+        </label>
+      </div>
+    </form>
+  </div>
+
+  <div *ngIf="hashrateObservable$ | async" [class]="!widget ? 'chart' : 'chart-widget'"
+    echarts [initOpts]="chartInitOptions" [options]="chartOptions"></div>
+  <div class="text-center loadingGraphs" *ngIf="isLoading">
+    <div class="spinner-border text-light"></div>
+  </div>
+  
+  <!-- <div class="mt-3" *ngIf="!widget">
+    <table class="table table-borderless table-sm text-center">
+      <thead>
+        <tr>
+          <th i18n="mining.rank">Block</th>
+          <th class="d-none d-md-block" i18n="block.timestamp">Timestamp</th>
+          <th i18n="mining.adjusted">Adjusted</th>
+          <th i18n="mining.difficulty">Difficulty</th>
+          <th i18n="mining.change">Change</th>
+        </tr>
+      </thead>
+      <tbody *ngIf="(hashrateObservable$ | async) as data">
+        <tr *ngFor="let diffChange of data.difficulty">
+          <td><a [routerLink]="['/block' | relativeUrl, diffChange.height]">{{ diffChange.height }}</a></td>
+          <td class="d-none d-md-block">&lrm;{{ diffChange.timestamp * 1000 | date:'yyyy-MM-dd HH:mm' }}</td>
+          <td><app-time-since [time]="diffChange.timestamp" [fastRender]="true"></app-time-since></td>
+          <td class="d-none d-md-block">{{ formatNumber(diffChange.difficulty, locale, '1.2-2') }}</td>
+          <td class="d-block d-md-none">{{ diffChange.difficultyShorten }}</td>
+          <td [style]="diffChange.change >= 0 ? 'color: #42B747' : 'color: #B74242'">{{ formatNumber(diffChange.change, locale, '1.2-2') }}%</td>
+        </tr>
+      </tbody>
+    </table>
+  </div> -->
+
+</div>

frontend/src/app/components/hashrates-chart-pools/hashrate-chart-pools.component.scss

@@ -0,0 +1,50 @@
+.main-title {
+  position: relative;
+  color: #ffffff91;
+  margin-top: -13px;
+  font-size: 10px;
+  text-transform: uppercase;
+  font-weight: 500;
+  text-align: center;
+  padding-bottom: 3px;
+}
+
+.full-container {
+  width: 100%;
+  height: calc(100% - 50px);
+  @media (max-width: 992px) {
+    height: calc(100% - 110px);
+  };
+  @media (max-width: 576px) {
+    height: calc(100% - 130px);
+  };
+}
+
+.chart {
+  width: 100%;
+  height: 100%;
+  padding-bottom: 20px;
+  padding-right: 20px;
+}
+.chart-widget {
+  width: 100%;
+  height: 100%;
+  max-height: 275px;
+}
+
+.formRadioGroup {
+  margin-top: 6px;
+  display: flex;
+  flex-direction: column;
+  @media (min-width: 830px) {
+    flex-direction: row;
+    float: right;
+    margin-top: 0px;
+  }
+  .btn-sm {
+    font-size: 9px;
+    @media (min-width: 830px) {
+      font-size: 14px;
+    }
+  }
+}

frontend/src/app/components/hashrates-chart-pools/hashrate-chart-pools.component.ts

@@ -0,0 +1,186 @@
+import { Component, Inject, Input, LOCALE_ID, OnInit } from '@angular/core';
+import { EChartsOption } from 'echarts';
+import { Observable } from 'rxjs';
+import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
+import { ApiService } from 'src/app/services/api.service';
+import { SeoService } from 'src/app/services/seo.service';
+import { formatNumber } from '@angular/common';
+import { FormBuilder, FormGroup } from '@angular/forms';
+import { poolsColor } from 'src/app/app.constants';
+
+@Component({
+  selector: 'app-hashrate-chart-pools',
+  templateUrl: './hashrate-chart-pools.component.html',
+  styleUrls: ['./hashrate-chart-pools.component.scss'],
+  styles: [`
+    .loadingGraphs {
+      position: absolute;
+      top: 38%;
+      left: calc(50% - 15px);
+      z-index: 100;
+    }
+  `],
+})
+export class HashrateChartPoolsComponent implements OnInit {
+  @Input() widget: boolean = false;
+  @Input() right: number | string = 40;
+  @Input() left: number | string = 25;
+
+  radioGroupForm: FormGroup;
+
+  chartOptions: EChartsOption = {};
+  chartInitOptions = {
+    renderer: 'svg',
+    width: 'auto',
+    height: 'auto',
+  };
+
+  hashrateObservable$: Observable<any>;
+  isLoading = true;
+  formatNumber = formatNumber;
+
+  constructor(
+    @Inject(LOCALE_ID) public locale: string,
+    private seoService: SeoService,
+    private apiService: ApiService,
+    private formBuilder: FormBuilder,
+  ) {
+    this.seoService.setTitle($localize`:@@mining.hashrate-difficulty:Hashrate and Difficulty`);
+    this.radioGroupForm = this.formBuilder.group({ dateSpan: '1y' });
+    this.radioGroupForm.controls.dateSpan.setValue('1y');
+  }
+
+  ngOnInit(): void {
+    this.hashrateObservable$ = this.radioGroupForm.get('dateSpan').valueChanges
+      .pipe(
+        startWith('1y'),
+        switchMap((timespan) => {
+          return this.apiService.getHistoricalPoolsHashrate$(timespan)
+            .pipe(
+              tap((data: any) => {
+                const grouped = {};
+                for (const hashrate of data.hashrates) {
+                  if (!grouped.hasOwnProperty(hashrate.poolName)) {
+                    grouped[hashrate.poolName] = [];
+                  }
+                  grouped[hashrate.poolName].push(hashrate);
+                }
+
+                const series = [];
+                const legends = [];
+
+                for (const name in grouped) {
+                  series.push({
+                    stack: 'Total',
+                    name: name,
+                    showSymbol: false,
+                    data: grouped[name].map((val) => [val.timestamp * 1000, (val.share * 100).toFixed(2)]),
+                    type: 'line',
+                    lineStyle: {
+                      width: 0,
+                    },
+                    areaStyle: {
+                      opacity: 1,
+                    },
+                    smooth: true,
+                    color: poolsColor[name.replace(/[^a-zA-Z0-9]/g, "").toLowerCase()],
+                    emphasis: {
+                      disabled: true,
+                      scale: false,
+                    },
+                  });
+
+                  legends.push({
+                    name: name,
+                    inactiveColor: 'rgb(110, 112, 121)',
+                    textStyle: {
+                      color: 'white',
+                    },
+                    icon: 'roundRect',
+                    itemStyle: {
+                      color: poolsColor[name.replace(/[^a-zA-Z0-9]/g, "").toLowerCase()],
+                    },
+                  });
+                }
+
+                this.prepareChartOptions({
+                  legends: legends,
+                  series: series
+                });
+                this.isLoading = false;
+              }),
+              map((data: any) => {
+                const availableTimespanDay = (
+                  (new Date().getTime() / 1000) - (data.oldestIndexedBlockTimestamp)
+                ) / 3600 / 24;
+                return {
+                  availableTimespanDay: availableTimespanDay,
+                  hashrates: data
+                };
+              }),
+            );
+        }),
+        share()
+      );
+  }
+
+  prepareChartOptions(data) {
+    this.chartOptions = {
+      grid: {
+        right: this.right,
+        left: this.left,
+        bottom: this.widget ? 30 : 60,
+        top: this.widget ? 10 : 40,
+      },
+      tooltip: {
+        trigger: 'axis',
+        axisPointer: {
+          type: 'line'
+        },
+        backgroundColor: 'rgba(17, 19, 31, 1)',
+        borderRadius: 4,
+        shadowColor: 'rgba(0, 0, 0, 0.5)',
+        textStyle: {
+          color: '#b1b1b1',
+          align: 'left',
+        },
+        borderColor: '#000',
+        formatter: function (data) {
+          let tooltip = `<b style="color: white; margin-left: 18px">${data[0].axisValueLabel}</b><br>`;
+          data.sort((a, b) => b.data[1] - a.data[1]);
+          for (const pool of data) {
+            if (pool.data[1] > 0) {
+              tooltip += `${pool.marker} ${pool.seriesName}: ${pool.data[1]}%<br>`
+            }
+          }
+          return tooltip;
+        }.bind(this)
+      },
+      xAxis: {
+        type: 'time',
+        splitNumber: (this.isMobile() || this.widget) ? 5 : 10,
+      },
+      legend: (this.isMobile() || this.widget) ? undefined : {
+        data: data.legends
+      },
+      yAxis: {
+        position: 'right',
+        axisLabel: {
+          color: 'rgb(110, 112, 121)',
+          formatter: (val) => `${val}%`,
+        },
+        splitLine: {
+          show: false,
+        },
+        type: 'value',
+        max: 100,
+        min: 0,
+      },
+      series: data.series,
+    };
+  }
+
+  isMobile() {
+    return (window.innerWidth <= 767.98);
+  }
+}

frontend/src/app/components/mining-dashboard/mining-dashboard.component.html

@@ -30,5 +30,19 @@
       </div>
     </div>
 
+    <!-- pools hashrate -->
+    <div class="col">
+      <div class="card">
+        <div class="card-body">
+          <h5 class="card-title">
+            <a class="link" href="" [routerLink]="['/mining/hashrate/pools' | relativeUrl]" i18n="mining.pools-hashrate">
+              Pools Hashrate Share (1y)
+            </a>
+          </h5>
+          <app-hashrate-chart-pools [widget]=true></app-hashrate-chart-pools>
+        </div>
+      </div>
+    </div>
+
   </div>
 </div>

frontend/src/app/services/api.service.ts

@@ -163,4 +163,11 @@ export class ApiService {
         (interval !== undefined ? `/${interval}` : '')
       );
   }
+
+  getHistoricalPoolsHashrate$(interval: string | undefined): Observable<any> {
+    return this.httpClient.get<any[]>(
+        this.apiBaseUrl + this.apiBasePath + `/api/v1/mining/hashrate/pools` +
+        (interval !== undefined ? `/${interval}` : '')
+      );
+  }
 }