Split difficult adjustment table - Update indexing progress every 60sec

frontend/src/app/app.module.ts

@@ -75,6 +75,7 @@ import { HashrateChartPoolsComponent } from './components/hashrates-chart-pools/
 import { MiningStartComponent } from './components/mining-start/mining-start.component';
 import { AmountShortenerPipe } from './shared/pipes/amount-shortener.pipe';
 import { ShortenStringPipe } from './shared/pipes/shorten-string-pipe/shorten-string.pipe';
+import { DifficultyAdjustmentsTable } from './components/difficulty-adjustments-table/difficulty-adjustments-table.components';
 
 @NgModule({
   declarations: [
@@ -131,6 +132,7 @@ import { ShortenStringPipe } from './shared/pipes/shorten-string-pipe/shorten-st
     HashrateChartPoolsComponent,
     MiningStartComponent,
     AmountShortenerPipe,
+    DifficultyAdjustmentsTable,
   ],
   imports: [
     BrowserModule.withServerTransition({ appId: 'serverApp' }),

frontend/src/app/components/difficulty-adjustments-table/difficulty-adjustments-table.component.html

@@ -0,0 +1,33 @@
+<div>
+  <table class="table latest-transactions" style="min-height: 295px">
+    <thead>
+      <tr>
+        <th class="d-none d-md-block" i18n="block.height">Height</th>
+        <th i18n="mining.adjusted" class="text-left">Adjusted</th>
+        <th i18n="mining.difficulty" class="text-right">Difficulty</th>
+        <th i18n="mining.change" class="text-right">Change</th>
+      </tr>
+    </thead>
+    <tbody *ngIf="(hashrateObservable$ | async) as data">
+      <tr *ngFor="let diffChange of data.difficulty">
+        <td class="d-none d-md-block"><a [routerLink]="['/block' | relativeUrl, diffChange.height]">{{ diffChange.height
+            }}</a></td>
+        <td class="text-left">
+          <app-time-since [time]="diffChange.timestamp" [fastRender]="true"></app-time-since>
+        </td>
+        <td class="text-right">{{ diffChange.difficultyShorten }}</td>
+        <td class="text-right" [style]="diffChange.change >= 0 ? 'color: #42B747' : 'color: #B74242'">
+          {{ diffChange.change >= 0 ? '+' : '' }}{{ formatNumber(diffChange.change, locale, '1.2-2') }}%
+        </td>
+      </tr>
+    </tbody>
+    <tbody *ngIf="isLoading">
+      <tr *ngFor="let item of [1,2,3,4,5]">
+        <td class="d-none d-md-block w-75"><span class="skeleton-loader"></span></td>
+        <td class="text-left"><span class="skeleton-loader w-75"></span></td>
+        <td class="text-right"><span class="skeleton-loader w-75"></span></td>
+        <td class="text-right"><span class="skeleton-loader w-75"></span></td>
+      </tr>
+    </tbody>
+  </table>
+</div>

frontend/src/app/components/difficulty-adjustments-table/difficulty-adjustments-table.component.scss

@@ -0,0 +1,40 @@
+.latest-transactions {
+  width: 100%;
+  text-align: left;
+  table-layout:fixed;
+  tr, td, th {
+    border: 0px;
+  }
+  td {
+    width: 25%;
+  }
+  .table-cell-satoshis {
+    display: none;
+    text-align: right;
+    @media (min-width: 576px) {
+      display: table-cell;
+    }
+    @media (min-width: 768px) {
+      display: none;
+    }
+    @media (min-width: 1100px) {
+      display: table-cell;
+    }
+  }
+  .table-cell-fiat {
+    display: none;
+    text-align: right;
+    @media (min-width: 485px) {
+      display: table-cell;
+    }
+    @media (min-width: 768px) {
+      display: none;
+    }
+    @media (min-width: 992px) {
+      display: table-cell;
+    }
+  }
+  .table-cell-fees {
+    text-align: right;
+  }
+}

frontend/src/app/components/difficulty-adjustments-table/difficulty-adjustments-table.components.ts

@@ -0,0 +1,65 @@
+import { Component, Inject, LOCALE_ID, OnInit } from '@angular/core';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+import { ApiService } from 'src/app/services/api.service';
+import { formatNumber } from '@angular/common';
+import { selectPowerOfTen } from 'src/app/bitcoin.utils';
+
+@Component({
+  selector: 'app-difficulty-adjustments-table',
+  templateUrl: './difficulty-adjustments-table.component.html',
+  styleUrls: ['./difficulty-adjustments-table.component.scss'],
+  styles: [`
+    .loadingGraphs {
+      position: absolute;
+      top: 50%;
+      left: calc(50% - 15px);
+      z-index: 100;
+    }
+  `],
+})
+export class DifficultyAdjustmentsTable implements OnInit {
+  hashrateObservable$: Observable<any>;
+  isLoading = true;
+  formatNumber = formatNumber;
+
+  constructor(
+    @Inject(LOCALE_ID) public locale: string,
+    private apiService: ApiService,
+  ) {
+  }
+
+  ngOnInit(): void {
+    this.hashrateObservable$ = this.apiService.getHistoricalHashrate$('1y')
+      .pipe(
+        map((data: any) => {
+          const availableTimespanDay = (
+            (new Date().getTime() / 1000) - (data.oldestIndexedBlockTimestamp)
+          ) / 3600 / 24;
+
+          const tableData = [];
+          for (let i = data.difficulty.length - 1; i > 0; --i) {
+            const selectedPowerOfTen: any = selectPowerOfTen(data.difficulty[i].difficulty);
+            const change = (data.difficulty[i].difficulty / data.difficulty[i - 1].difficulty - 1) * 100;
+
+            tableData.push(Object.assign(data.difficulty[i], {
+              change: change,
+              difficultyShorten: formatNumber(
+                data.difficulty[i].difficulty / selectedPowerOfTen.divider,
+                this.locale, '1.2-2') + selectedPowerOfTen.unit
+            }));
+          }
+          this.isLoading = false;
+
+          return {
+            availableTimespanDay: availableTimespanDay,
+            difficulty: tableData.slice(0, 5),
+          };
+        }),
+      );
+  }
+
+  isMobile() {
+    return (window.innerWidth <= 767.98);
+  }
+}

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

@@ -1,6 +1,6 @@
 <div [class]="widget === false ? 'full-container' : ''">
 
-  <div *ngIf="!tableOnly" class="card-header mb-0 mb-md-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">
@@ -25,39 +25,10 @@
     </form>
   </div>
 
-  <div *ngIf="!tableOnly" [class]="!widget ? 'chart' : 'chart-widget'"
+  <div [class]="!widget ? 'chart' : 'chart-widget'"
     echarts [initOpts]="chartInitOptions" [options]="chartOptions"></div>
-  <div class="text-center loadingGraphs" *ngIf="isLoading && !tableOnly">
+  <div class="text-center loadingGraphs" *ngIf="isLoading">
     <div class="spinner-border text-light"></div>
   </div>
   
-  <table *ngIf="tableOnly" class="table latest-transactions" style="min-height: 295px">
-    <thead>
-      <tr>
-        <th class="d-none d-md-block" i18n="block.height">Height</th>
-        <th i18n="mining.adjusted" class="text-left">Adjusted</th>
-        <th i18n="mining.difficulty" class="text-right">Difficulty</th>
-        <th i18n="mining.change" class="text-right">Change</th>
-      </tr>
-    </thead>
-    <tbody *ngIf="(hashrateObservable$ | async) as data">
-      <tr *ngFor="let diffChange of data.difficulty">
-        <td class="d-none d-md-block"><a [routerLink]="['/block' | relativeUrl, diffChange.height]">{{ diffChange.height }}</a></td>
-        <td class="text-left"><app-time-since [time]="diffChange.timestamp" [fastRender]="true"></app-time-since></td>
-        <td class="text-right">{{ diffChange.difficultyShorten }}</td>
-        <td class="text-right" [style]="diffChange.change >= 0 ? 'color: #42B747' : 'color: #B74242'">
-          {{ diffChange.change >= 0 ? '+' : '' }}{{ formatNumber(diffChange.change, locale, '1.2-2') }}%
-        </td>
-      </tr>
-    </tbody>
-    <tbody *ngIf="isLoading">
-      <tr *ngFor="let item of [1,2,3,4,5]">
-        <td class="d-none d-md-block w-75"><span class="skeleton-loader"></span></td>
-        <td class="text-left"><span class="skeleton-loader w-75"></span></td>
-        <td class="text-right"><span class="skeleton-loader w-75"></span></td>
-        <td class="text-right"><span class="skeleton-loader w-75"></span></td>
-      </tr>
-  </tbody>
-  </table>
-
 </div>

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

@@ -48,44 +48,3 @@
     }
   }
 }
-
-.latest-transactions {
-  width: 100%;
-  text-align: left;
-  table-layout:fixed;
-  tr, td, th {
-    border: 0px;
-  }
-  td {
-    width: 25%;
-  }
-  .table-cell-satoshis {
-    display: none;
-    text-align: right;
-    @media (min-width: 576px) {
-      display: table-cell;
-    }
-    @media (min-width: 768px) {
-      display: none;
-    }
-    @media (min-width: 1100px) {
-      display: table-cell;
-    }
-  }
-  .table-cell-fiat {
-    display: none;
-    text-align: right;
-    @media (min-width: 485px) {
-      display: table-cell;
-    }
-    @media (min-width: 768px) {
-      display: none;
-    }
-    @media (min-width: 992px) {
-      display: table-cell;
-    }
-  }
-  .table-cell-fees {
-    text-align: right;
-  }
-}

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

@@ -1,7 +1,7 @@
-import { Component, Inject, Input, LOCALE_ID, OnInit } from '@angular/core';
+import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, OnInit } from '@angular/core';
 import { EChartsOption, graphic } from 'echarts';
 import { Observable } from 'rxjs';
-import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
+import { delay, map, retryWhen, 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';
@@ -20,6 +20,7 @@ import { selectPowerOfTen } from 'src/app/bitcoin.utils';
       z-index: 100;
     }
   `],
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class HashrateChartComponent implements OnInit {
   @Input() tableOnly = false;
@@ -45,6 +46,7 @@ export class HashrateChartComponent implements OnInit {
     private seoService: SeoService,
     private apiService: ApiService,
     private formBuilder: FormBuilder,
+    private cd: ChangeDetectorRef,
   ) {
     this.radioGroupForm = this.formBuilder.group({ dateSpan: '1y' });
     this.radioGroupForm.controls.dateSpan.setValue('1y');
@@ -96,6 +98,11 @@ export class HashrateChartComponent implements OnInit {
                   timestamp: data.oldestIndexedBlockTimestamp,
                 });
                 this.isLoading = false;
+
+                if (data.hashrates.length === 0) {
+                  this.cd.markForCheck();
+                  throw new Error();
+                }
               }),
               map((data: any) => {
                 const availableTimespanDay = (
@@ -116,9 +123,12 @@ export class HashrateChartComponent implements OnInit {
                 }
                 return {
                   availableTimespanDay: availableTimespanDay,
-                  difficulty: this.tableOnly ? tableData.slice(0, 5) : tableData
+                  difficulty: this.tableOnly ? tableData.slice(0, 5) : tableData,
                 };
               }),
+              retryWhen((errors) => errors.pipe(
+                  delay(60000)
+              ))
             );
         }),
         share()

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

@@ -1,7 +1,7 @@
-import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, OnInit } from '@angular/core';
+import { ChangeDetectionStrategy, ChangeDetectorRef, 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 { delay, map, retryWhen, share, startWith, switchMap, tap } from 'rxjs/operators';
 import { ApiService } from 'src/app/services/api.service';
 import { SeoService } from 'src/app/services/seo.service';
 import { FormBuilder, FormGroup } from '@angular/forms';
@@ -22,7 +22,7 @@ import { poolsColor } from 'src/app/app.constants';
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class HashrateChartPoolsComponent implements OnInit {
-  @Input() widget: boolean = false;
+  @Input() widget = false;
   @Input() right: number | string = 40;
   @Input() left: number | string = 25;
 
@@ -43,6 +43,7 @@ export class HashrateChartPoolsComponent implements OnInit {
     private seoService: SeoService,
     private apiService: ApiService,
     private formBuilder: FormBuilder,
+    private cd: ChangeDetectorRef,
   ) {
     this.radioGroupForm = this.formBuilder.group({ dateSpan: '1y' });
     this.radioGroupForm.controls.dateSpan.setValue('1y');
@@ -109,6 +110,11 @@ export class HashrateChartPoolsComponent implements OnInit {
                   timestamp: data.oldestIndexedBlockTimestamp,
                 });
                 this.isLoading = false;
+
+                if (series.length === 0) {
+                  this.cd.markForCheck();
+                  throw new Error();
+                }
               }),
               map((data: any) => {
                 const availableTimespanDay = (
@@ -118,6 +124,9 @@ export class HashrateChartPoolsComponent implements OnInit {
                   availableTimespanDay: availableTimespanDay,
                 };
               }),
+              retryWhen((errors) => errors.pipe(
+                delay(60000)
+              ))
             );
         }),
         share()
@@ -133,8 +142,8 @@ export class HashrateChartPoolsComponent implements OnInit {
       const yyyy = lastBlock.getFullYear();
       title = {
         textStyle: {
-            color: 'grey',
-            fontSize: 15
+          color: 'grey',
+          fontSize: 15
         },
         text: `Indexing in progess - ${yyyy}-${mm}-${dd}`,
         left: 'center',

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

@@ -114,7 +114,7 @@
           <h5 class="card-title">
             Adjustments
           </h5>
-          <app-hashrate-chart [tableOnly]=true [widget]=true></app-hashrate-chart>
+          <app-difficulty-adjustments-table></app-difficulty-adjustments-table>
           <div class="mt-1"><a [routerLink]="['/mining/hashrate' | relativeUrl]" i18n="dashboard.view-more">View more
               &raquo;</a></div>
         </div>