451 lines
15 KiB
TypeScript
451 lines
15 KiB
TypeScript
import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, OnInit, HostBinding } from '@angular/core';
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import { EChartsOption, graphic } from 'echarts';
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import { Observable } from 'rxjs';
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import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
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import { ApiService } from '../../services/api.service';
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import { SeoService } from '../../services/seo.service';
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import { formatNumber } from '@angular/common';
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import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
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import { selectPowerOfTen } from '../../bitcoin.utils';
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import { StorageService } from '../../services/storage.service';
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import { MiningService } from '../../services/mining.service';
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import { download } from '../../shared/graphs.utils';
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import { ActivatedRoute } from '@angular/router';
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import { StateService } from '../../services/state.service';
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@Component({
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selector: 'app-hashrate-chart',
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templateUrl: './hashrate-chart.component.html',
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styleUrls: ['./hashrate-chart.component.scss'],
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styles: [`
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.loadingGraphs {
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position: absolute;
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top: 50%;
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left: calc(50% - 15px);
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z-index: 100;
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}
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`],
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changeDetection: ChangeDetectionStrategy.OnPush,
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})
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export class HashrateChartComponent implements OnInit {
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@Input() tableOnly = false;
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@Input() widget = false;
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@Input() right: number | string = 45;
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@Input() left: number | string = 75;
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miningWindowPreference: string;
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radioGroupForm: UntypedFormGroup;
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chartOptions: EChartsOption = {};
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chartInitOptions = {
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renderer: 'svg',
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};
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@HostBinding('attr.dir') dir = 'ltr';
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hashrateObservable$: Observable<any>;
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isLoading = true;
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formatNumber = formatNumber;
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timespan = '';
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chartInstance: any = undefined;
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network = '';
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constructor(
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@Inject(LOCALE_ID) public locale: string,
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private seoService: SeoService,
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private apiService: ApiService,
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private formBuilder: UntypedFormBuilder,
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private storageService: StorageService,
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private miningService: MiningService,
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private route: ActivatedRoute,
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private stateService: StateService
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) {
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}
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ngOnInit(): void {
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this.stateService.networkChanged$.subscribe((network) => this.network = network);
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let firstRun = true;
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if (this.widget) {
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this.miningWindowPreference = '1y';
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} else {
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this.seoService.setTitle($localize`:@@3510fc6daa1d975f331e3a717bdf1a34efa06dff:Hashrate & Difficulty`);
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this.miningWindowPreference = this.miningService.getDefaultTimespan('3m');
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}
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this.radioGroupForm = this.formBuilder.group({ dateSpan: this.miningWindowPreference });
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this.radioGroupForm.controls.dateSpan.setValue(this.miningWindowPreference);
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this.route
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.fragment
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.subscribe((fragment) => {
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if (['1m', '3m', '6m', '1y', '2y', '3y', 'all'].indexOf(fragment) > -1) {
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this.radioGroupForm.controls.dateSpan.setValue(fragment, { emitEvent: false });
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}
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});
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this.hashrateObservable$ = this.radioGroupForm.get('dateSpan').valueChanges
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.pipe(
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startWith(this.radioGroupForm.controls.dateSpan.value),
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switchMap((timespan) => {
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if (!this.widget && !firstRun) {
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this.storageService.setValue('miningWindowPreference', timespan);
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}
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this.timespan = timespan;
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firstRun = false;
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this.miningWindowPreference = timespan;
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this.isLoading = true;
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return this.apiService.getHistoricalHashrate$(timespan)
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.pipe(
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tap((response) => {
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const data = response.body;
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// We generate duplicated data point so the tooltip works nicely
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const diffFixed = [];
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let diffIndex = 1;
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let hashIndex = 0;
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while (hashIndex < data.hashrates.length) {
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if (diffIndex >= data.difficulty.length) {
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while (hashIndex < data.hashrates.length) {
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diffFixed.push({
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timestamp: data.hashrates[hashIndex].timestamp,
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difficulty: data.difficulty.length > 0 ? data.difficulty[data.difficulty.length - 1].difficulty : null
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});
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++hashIndex;
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}
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break;
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}
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while (hashIndex < data.hashrates.length && diffIndex < data.difficulty.length &&
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data.hashrates[hashIndex].timestamp <= data.difficulty[diffIndex].time
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) {
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diffFixed.push({
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timestamp: data.hashrates[hashIndex].timestamp,
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difficulty: data.difficulty[diffIndex - 1].difficulty
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});
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++hashIndex;
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}
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++diffIndex;
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}
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let maResolution = 15;
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const hashrateMa = [];
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for (let i = maResolution - 1; i < data.hashrates.length; ++i) {
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let avg = 0;
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for (let y = maResolution - 1; y >= 0; --y) {
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avg += data.hashrates[i - y].avgHashrate;
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}
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avg /= maResolution;
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hashrateMa.push([data.hashrates[i].timestamp * 1000, avg]);
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}
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this.prepareChartOptions({
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hashrates: data.hashrates.map(val => [val.timestamp * 1000, val.avgHashrate]),
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difficulty: diffFixed.map(val => [val.timestamp * 1000, val.difficulty]),
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hashrateMa: hashrateMa,
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});
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this.isLoading = false;
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}),
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map((response) => {
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const data = response.body;
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return {
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blockCount: parseInt(response.headers.get('x-total-count'), 10),
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currentDifficulty: data.currentDifficulty,
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currentHashrate: data.currentHashrate,
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};
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}),
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);
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}),
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share()
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);
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}
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prepareChartOptions(data) {
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let title: object;
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if (data.hashrates.length === 0) {
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title = {
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textStyle: {
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color: 'grey',
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fontSize: 15
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},
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text: $localize`:@@23555386d8af1ff73f297e89dd4af3f4689fb9dd:Indexing blocks`,
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left: 'center',
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top: 'center'
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};
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}
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this.chartOptions = {
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title: title,
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animation: false,
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color: [
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new graphic.LinearGradient(0, 0, 0, 0.65, [
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{ offset: 0, color: '#F4511E99' },
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{ offset: 0.25, color: '#FB8C0099' },
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{ offset: 0.5, color: '#FFB30099' },
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{ offset: 0.75, color: '#FDD83599' },
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{ offset: 1, color: '#7CB34299' }
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]),
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'#D81B60',
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new graphic.LinearGradient(0, 0, 0, 0.65, [
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{ offset: 0, color: '#F4511E' },
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{ offset: 0.25, color: '#FB8C00' },
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{ offset: 0.5, color: '#FFB300' },
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{ offset: 0.75, color: '#FDD835' },
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{ offset: 1, color: '#7CB342' }
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]),
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],
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grid: {
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top: this.widget ? 20 : 40,
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bottom: this.widget ? 30 : 70,
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right: this.right,
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left: this.left,
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},
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tooltip: {
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show: !this.isMobile() || !this.widget,
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trigger: 'axis',
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axisPointer: {
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type: 'line'
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},
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backgroundColor: 'rgba(17, 19, 31, 1)',
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borderRadius: 4,
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shadowColor: 'rgba(0, 0, 0, 0.5)',
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textStyle: {
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color: '#b1b1b1',
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align: 'left',
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},
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borderColor: '#000',
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formatter: (ticks) => {
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let hashrateString = '';
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let difficultyString = '';
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let hashrateStringMA = '';
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let hashratePowerOfTen: any = selectPowerOfTen(1);
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for (const tick of ticks) {
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if (tick.seriesIndex === 0) { // Hashrate
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let hashrate = tick.data[1];
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if (this.isMobile()) {
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hashratePowerOfTen = selectPowerOfTen(tick.data[1]);
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hashrate = Math.round(tick.data[1] / hashratePowerOfTen.divider);
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}
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hashrateString = `${tick.marker} ${tick.seriesName}: ${formatNumber(hashrate, this.locale, '1.0-0')} ${hashratePowerOfTen.unit}H/s<br>`;
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} else if (tick.seriesIndex === 1) { // Difficulty
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let difficultyPowerOfTen = hashratePowerOfTen;
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let difficulty = tick.data[1];
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if (difficulty === null) {
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difficultyString = `${tick.marker} ${tick.seriesName}: No data<br>`;
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} else {
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if (this.isMobile()) {
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difficultyPowerOfTen = selectPowerOfTen(tick.data[1]);
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difficulty = Math.round(tick.data[1] / difficultyPowerOfTen.divider);
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}
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difficultyString = `${tick.marker} ${tick.seriesName}: ${formatNumber(difficulty, this.locale, '1.2-2')} ${difficultyPowerOfTen.unit}<br>`;
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}
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} else if (tick.seriesIndex === 2) { // Hashrate MA
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let hashrate = tick.data[1];
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if (this.isMobile()) {
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hashratePowerOfTen = selectPowerOfTen(tick.data[1]);
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hashrate = Math.round(tick.data[1] / hashratePowerOfTen.divider);
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}
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hashrateStringMA = `${tick.marker} ${tick.seriesName}: ${formatNumber(hashrate, this.locale, '1.0-0')} ${hashratePowerOfTen.unit}H/s`;
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}
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}
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const date = new Date(ticks[0].data[0]).toLocaleDateString(this.locale, { year: 'numeric', month: 'short', day: 'numeric' });
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return `
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<b style="color: white; margin-left: 2px">${date}</b><br>
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<span>${difficultyString}</span>
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<span>${hashrateString}</span>
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<span>${hashrateStringMA}</span>
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`;
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}
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},
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xAxis: data.hashrates.length === 0 ? undefined : {
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type: 'time',
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splitNumber: (this.isMobile() || this.widget) ? 5 : 10,
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axisLabel: {
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hideOverlap: true,
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}
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},
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legend: (this.widget || data.hashrates.length === 0) ? undefined : {
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data: [
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{
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name: $localize`:@@79a9dc5b1caca3cbeb1733a19515edacc5fc7920:Hashrate`,
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inactiveColor: 'rgb(110, 112, 121)',
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textStyle: {
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color: 'white',
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},
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icon: 'roundRect',
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itemStyle: {
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color: '#FFB300',
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},
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},
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{
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name: $localize`:@@25148835d92465353fc5fe8897c27d5369978e5a:Difficulty`,
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inactiveColor: 'rgb(110, 112, 121)',
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textStyle: {
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color: 'white',
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},
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icon: 'roundRect',
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},
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{
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name: $localize`Hashrate (MA)`,
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inactiveColor: 'rgb(110, 112, 121)',
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textStyle: {
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color: 'white',
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},
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icon: 'roundRect',
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itemStyle: {
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color: '#FFB300',
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},
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},
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],
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selected: JSON.parse(this.storageService.getValue('hashrate_difficulty_legend')) ?? {
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'$localize`:@@79a9dc5b1caca3cbeb1733a19515edacc5fc7920:Hashrate`': true,
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'$localize`::Difficulty`': this.network === '',
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'$localize`Hashrate (MA)`': true,
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},
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},
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yAxis: data.hashrates.length === 0 ? undefined : [
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{
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min: (value) => {
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const selectedPowerOfTen: any = selectPowerOfTen(value.min);
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const newMin = Math.floor(value.min / selectedPowerOfTen.divider / 10);
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return newMin * selectedPowerOfTen.divider * 10;
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},
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type: 'value',
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axisLabel: {
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color: 'rgb(110, 112, 121)',
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formatter: (val) => {
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const selectedPowerOfTen: any = selectPowerOfTen(val);
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const newVal = Math.round(val / selectedPowerOfTen.divider);
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return `${newVal} ${selectedPowerOfTen.unit}H/s`;
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}
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},
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splitLine: {
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lineStyle: {
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type: 'dotted',
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color: '#ffffff66',
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opacity: 0.25,
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}
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},
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},
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{
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min: (value) => {
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return value.min * 0.9;
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},
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type: 'value',
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position: 'right',
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axisLabel: {
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color: 'rgb(110, 112, 121)',
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formatter: (val) => {
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if (this.stateService.network === 'signet') {
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return val;
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}
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const selectedPowerOfTen: any = selectPowerOfTen(val);
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const newVal = Math.round(val / selectedPowerOfTen.divider);
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return `${newVal} ${selectedPowerOfTen.unit}`;
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}
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},
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splitLine: {
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show: false,
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}
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}
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],
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series: data.hashrates.length === 0 ? [] : [
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{
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zlevel: 0,
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yAxisIndex: 0,
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name: $localize`:@@79a9dc5b1caca3cbeb1733a19515edacc5fc7920:Hashrate`,
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showSymbol: false,
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symbol: 'none',
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data: data.hashrates,
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type: 'line',
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lineStyle: {
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width: 1,
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},
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},
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{
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zlevel: 1,
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yAxisIndex: 1,
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name: $localize`:@@25148835d92465353fc5fe8897c27d5369978e5a:Difficulty`,
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showSymbol: false,
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symbol: 'none',
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data: data.difficulty,
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type: 'line',
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lineStyle: {
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width: 3,
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}
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},
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{
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zlevel: 2,
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name: $localize`Hashrate (MA)`,
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showSymbol: false,
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symbol: 'none',
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data: data.hashrateMa,
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type: 'line',
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smooth: true,
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lineStyle: {
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width: 3,
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}
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}
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],
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dataZoom: this.widget ? null : [{
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type: 'inside',
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realtime: true,
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zoomLock: true,
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maxSpan: 100,
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minSpan: 5,
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moveOnMouseMove: false,
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}, {
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showDetail: false,
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show: true,
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type: 'slider',
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brushSelect: false,
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realtime: true,
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left: 20,
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right: 15,
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selectedDataBackground: {
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lineStyle: {
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color: '#fff',
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opacity: 0.45,
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},
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areaStyle: {
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opacity: 0,
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}
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},
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}],
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};
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}
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onChartInit(ec) {
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this.chartInstance = ec;
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this.chartInstance.on('legendselectchanged', (e) => {
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this.storageService.setValue('hashrate_difficulty_legend', JSON.stringify(e.selected));
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});
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}
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isMobile() {
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return (window.innerWidth <= 767.98);
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}
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onSaveChart() {
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// @ts-ignore
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const prevBottom = this.chartOptions.grid.bottom;
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const now = new Date();
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// @ts-ignore
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this.chartOptions.grid.bottom = 30;
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this.chartOptions.backgroundColor = '#11131f';
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this.chartInstance.setOption(this.chartOptions);
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download(this.chartInstance.getDataURL({
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pixelRatio: 2,
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excludeComponents: ['dataZoom'],
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}), `hashrate-difficulty-${this.timespan}-${Math.round(now.getTime() / 1000)}.svg`);
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// @ts-ignore
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this.chartOptions.grid.bottom = prevBottom;
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this.chartOptions.backgroundColor = 'none';
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this.chartInstance.setOption(this.chartOptions);
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}
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}
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