mempool/frontend/src/app/components/block-fees-subsidy-graph/block-fees-subsidy-graph.component.ts

574 lines
20 KiB
TypeScript

import { ChangeDetectionStrategy, ChangeDetectorRef, Component, HostListener, Inject, Input, LOCALE_ID, NgZone, OnInit } from '@angular/core';
import { EChartsOption } from '@app/graphs/echarts';
import { Observable } from 'rxjs';
import { catchError, map, share, startWith, switchMap, tap } from 'rxjs/operators';
import { ApiService } from '@app/services/api.service';
import { SeoService } from '@app/services/seo.service';
import { formatNumber } from '@angular/common';
import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
import { download, formatterXAxis } from '@app/shared/graphs.utils';
import { ActivatedRoute, Router } from '@angular/router';
import { FiatShortenerPipe } from '@app/shared/pipes/fiat-shortener.pipe';
import { FiatCurrencyPipe } from '@app/shared/pipes/fiat-currency.pipe';
import { StateService } from '@app/services/state.service';
import { MiningService } from '@app/services/mining.service';
import { StorageService } from '@app/services/storage.service';
import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
@Component({
selector: 'app-block-fees-subsidy-graph',
templateUrl: './block-fees-subsidy-graph.component.html',
styleUrls: ['./block-fees-subsidy-graph.component.scss'],
styles: [`
.loadingGraphs {
position: absolute;
top: 50%;
left: calc(50% - 15px);
z-index: 99;
}
`],
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class BlockFeesSubsidyGraphComponent implements OnInit {
@Input() right: number | string = 45;
@Input() left: number | string = 75;
miningWindowPreference: string;
radioGroupForm: UntypedFormGroup;
chartOptions: EChartsOption = {};
chartInitOptions = {
renderer: 'svg',
};
statsObservable$: Observable<any>;
data: any;
subsidies: { [key: number]: number } = {};
isLoading = true;
formatNumber = formatNumber;
timespan = '';
chartInstance: any = undefined;
displayMode: 'normal' | 'fiat' | 'percentage' = 'normal';
updateZoom = false;
zoomSpan = 100;
zoomTimeSpan = '';
constructor(
@Inject(LOCALE_ID) public locale: string,
private seoService: SeoService,
private apiService: ApiService,
private formBuilder: UntypedFormBuilder,
public stateService: StateService,
private storageService: StorageService,
private miningService: MiningService,
private route: ActivatedRoute,
private router: Router,
private zone: NgZone,
private fiatShortenerPipe: FiatShortenerPipe,
private fiatCurrencyPipe: FiatCurrencyPipe,
private cd: ChangeDetectorRef,
) {
this.radioGroupForm = this.formBuilder.group({ dateSpan: '1y' });
this.radioGroupForm.controls.dateSpan.setValue('1y');
this.subsidies = this.initSubsidies();
}
ngOnInit(): void {
this.seoService.setTitle($localize`:@@41545303ec98792b738d6237adbd1f3b54a22196:Block Fees Vs Subsidy`);
this.seoService.setDescription($localize`:@@meta.description.bitcoin.graphs.block-fees-subsidy:See the mining fees earned per Bitcoin block compared to the Bitcoin block subsidy, visualized in BTC and USD over time.`);
this.miningWindowPreference = this.miningService.getDefaultTimespan('24h');
this.radioGroupForm = this.formBuilder.group({ dateSpan: this.miningWindowPreference });
this.radioGroupForm.controls.dateSpan.setValue(this.miningWindowPreference);
this.route
.fragment
.subscribe((fragment) => {
if (['24h', '3d', '1w', '1m', '3m', '6m', '1y', '2y', '3y', 'all'].indexOf(fragment) > -1) {
this.radioGroupForm.controls.dateSpan.setValue(fragment, { emitEvent: false });
}
});
this.statsObservable$ = this.radioGroupForm.get('dateSpan').valueChanges
.pipe(
startWith(this.radioGroupForm.controls.dateSpan.value),
switchMap((timespan) => {
this.isLoading = true;
this.storageService.setValue('miningWindowPreference', timespan);
this.timespan = timespan;
this.zoomTimeSpan = timespan;
return this.apiService.getHistoricalBlockFees$(timespan)
.pipe(
tap((response) => {
this.data = {
timestamp: response.body.map(val => val.timestamp * 1000),
blockHeight: response.body.map(val => val.avgHeight),
blockFees: response.body.map(val => val.avgFees / 100_000_000),
blockFeesFiat: response.body.filter(val => val['USD'] > 0).map(val => val.avgFees / 100_000_000 * val['USD']),
blockFeesPercent: response.body.map(val => val.avgFees / (val.avgFees + this.subsidyAt(val.avgHeight)) * 100),
blockSubsidy: response.body.map(val => this.subsidyAt(val.avgHeight) / 100_000_000),
blockSubsidyFiat: response.body.filter(val => val['USD'] > 0).map(val => this.subsidyAt(val.avgHeight) / 100_000_000 * val['USD']),
blockSubsidyPercent: response.body.map(val => this.subsidyAt(val.avgHeight) / (val.avgFees + this.subsidyAt(val.avgHeight)) * 100),
};
this.prepareChartOptions();
this.isLoading = false;
}),
map((response) => {
return {
blockCount: parseInt(response.headers.get('x-total-count'), 10),
};
}),
);
}),
share()
);
}
prepareChartOptions() {
let title: object;
if (this.data.blockFees.length === 0) {
title = {
textStyle: {
color: 'grey',
fontSize: 15
},
text: $localize`:@@23555386d8af1ff73f297e89dd4af3f4689fb9dd:Indexing blocks`,
left: 'center',
top: 'center'
};
}
this.chartOptions = {
title: title,
color: [
'#ff9f00',
'#0aab2f',
],
animation: false,
grid: {
top: 80,
bottom: 80,
right: this.right,
left: this.left,
},
tooltip: {
show: !this.isMobile(),
trigger: 'axis',
axisPointer: {
type: 'line'
},
backgroundColor: 'rgba(17, 19, 31, 1)',
borderRadius: 4,
shadowColor: 'rgba(0, 0, 0, 0.5)',
textStyle: {
color: 'var(--tooltip-grey)',
align: 'left',
},
borderColor: 'var(--active-bg)',
formatter: function (data) {
if (data.length <= 0) {
return '';
}
let tooltip = `<b style="color: white; margin-left: 2px">${formatterXAxis(this.locale, this.zoomTimeSpan, parseInt(this.data.timestamp[data[0].dataIndex], 10))}</b><br>`;
for (let i = data.length - 1; i >= 0; i--) {
const tick = data[i];
tooltip += `${tick.marker} ${tick.seriesName.split(' ')[0]}: `;
if (this.displayMode === 'normal') tooltip += `${formatNumber(tick.data, this.locale, '1.0-3')} BTC<br>`;
else if (this.displayMode === 'fiat') tooltip += `${this.fiatCurrencyPipe.transform(tick.data, null, 'USD') }<br>`;
else tooltip += `${formatNumber(tick.data, this.locale, '1.0-2')}%<br>`;
}
if (this.displayMode === 'normal') tooltip += `<div style="margin-left: 2px">${formatNumber(data.reduce((acc, val) => acc + val.data, 0), this.locale, '1.0-3')} BTC</div>`;
else if (this.displayMode === 'fiat') tooltip += `<div style="margin-left: 2px">${this.fiatCurrencyPipe.transform(data.reduce((acc, val) => acc + val.data, 0), null, 'USD')}</div>`;
if (['24h', '3d'].includes(this.zoomTimeSpan)) {
tooltip += `<small>` + $localize`At block ${'<b style="color: white; margin-left: 2px">' + data[0].axisValue}` + `</small>`;
} else {
tooltip += `<small>` + $localize`Around block ${'<b style="color: white; margin-left: 2px">' + data[0].axisValue}` + `</small>`;
}
return tooltip;
}.bind(this)
},
xAxis: this.data.blockFees.length === 0 ? undefined : [
{
type: 'category',
data: this.data.blockHeight,
show: false,
axisLabel: {
hideOverlap: true,
}
},
{
type: 'category',
data: this.data.timestamp,
show: true,
position: 'bottom',
axisLabel: {
color: 'var(--grey)',
formatter: (val) => {
return formatterXAxis(this.locale, this.timespan, parseInt(val, 10));
}
},
axisTick: {
show: false,
},
axisLine: {
show: false,
},
splitLine: {
show: false,
},
}
],
legend: this.data.blockFees.length === 0 ? undefined : {
data: [
{
name: 'Subsidy',
inactiveColor: 'var(--grey)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: 'Fees',
inactiveColor: 'var(--grey)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: 'Subsidy (USD)',
inactiveColor: 'var(--grey)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: 'Fees (USD)',
inactiveColor: 'var(--grey)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: 'Subsidy (%)',
inactiveColor: 'var(--grey)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: 'Fees (%)',
inactiveColor: 'var(--grey)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
],
selected: {
'Subsidy (USD)': this.displayMode === 'fiat',
'Fees (USD)': this.displayMode === 'fiat',
'Subsidy': this.displayMode === 'normal',
'Fees': this.displayMode === 'normal',
'Subsidy (%)': this.displayMode === 'percentage',
'Fees (%)': this.displayMode === 'percentage',
},
},
yAxis: this.data.blockFees.length === 0 ? undefined : [
{
type: 'value',
axisLabel: {
color: 'var(--grey)',
formatter: (val) => {
return `${val}${this.displayMode === 'percentage' ? '%' : ' BTC'}`;
}
},
min: 0,
max: (value) => {
if (this.displayMode === 'percentage') {
return 100;
}
},
splitLine: {
lineStyle: {
type: 'dotted',
color: 'var(--transparent-fg)',
opacity: 0.25,
}
},
},
{
type: 'value',
position: 'right',
axisLabel: {
color: 'var(--grey)',
formatter: function(val) {
return this.fiatShortenerPipe.transform(val, null, 'USD');
}.bind(this)
},
splitLine: {
show: false,
},
},
],
series: this.data.blockFees.length === 0 ? undefined : [
{
name: 'Subsidy',
yAxisIndex: 0,
type: 'bar',
barWidth: '90%',
stack: 'total',
data: this.data.blockSubsidy,
},
{
name: 'Fees',
yAxisIndex: 0,
type: 'bar',
barWidth: '90%',
stack: 'total',
data: this.data.blockFees,
},
{
name: 'Subsidy (USD)',
yAxisIndex: 1,
type: 'bar',
barWidth: '90%',
stack: 'total',
data: this.data.blockSubsidyFiat,
},
{
name: 'Fees (USD)',
yAxisIndex: 1,
type: 'bar',
barWidth: '90%',
stack: 'total',
data: this.data.blockFeesFiat,
},
{
name: 'Subsidy (%)',
yAxisIndex: 0,
type: 'bar',
barWidth: '90%',
stack: 'total',
data: this.data.blockSubsidyPercent,
},
{
name: 'Fees (%)',
yAxisIndex: 0,
type: 'bar',
barWidth: '90%',
stack: 'total',
data: this.data.blockFeesPercent,
},
],
dataZoom: this.data.blockFees.length === 0 ? undefined : [{
type: 'inside',
realtime: true,
zoomLock: true,
maxSpan: 100,
minSpan: 1,
moveOnMouseMove: false,
}, {
showDetail: false,
show: true,
type: 'slider',
brushSelect: false,
realtime: true,
left: 20,
right: 15,
selectedDataBackground: {
lineStyle: {
color: '#fff',
opacity: 0.45,
},
},
}],
};
}
onChartInit(ec) {
this.chartInstance = ec;
this.chartInstance.on('legendselectchanged', (params) => {
if (this.isLoading) {
return;
}
let mode: 'normal' | 'fiat' | 'percentage';
if (params.name.includes('USD')) {
mode = 'fiat';
} else if (params.name.includes('%')) {
mode = 'percentage';
} else {
mode = 'normal';
}
if (this.displayMode === mode) return;
const isActivation = params.selected[params.name];
if (isActivation) {
this.displayMode = mode;
this.chartInstance.dispatchAction({ type: this.displayMode === 'normal' ? 'legendSelect' : 'legendUnSelect', name: 'Subsidy' });
this.chartInstance.dispatchAction({ type: this.displayMode === 'normal' ? 'legendSelect' : 'legendUnSelect', name: 'Fees' });
this.chartInstance.dispatchAction({ type: this.displayMode === 'fiat' ? 'legendSelect' : 'legendUnSelect', name: 'Subsidy (USD)' });
this.chartInstance.dispatchAction({ type: this.displayMode === 'fiat' ? 'legendSelect' : 'legendUnSelect', name: 'Fees (USD)' });
this.chartInstance.dispatchAction({ type: this.displayMode === 'percentage' ? 'legendSelect' : 'legendUnSelect', name: 'Subsidy (%)' });
this.chartInstance.dispatchAction({ type: this.displayMode === 'percentage' ? 'legendSelect' : 'legendUnSelect', name: 'Fees (%)' });
}
});
this.chartInstance.on('datazoom', (params) => {
if (params.silent || this.isLoading || ['24h', '3d'].includes(this.timespan)) {
return;
}
this.updateZoom = true;
});
this.chartInstance.on('click', (e) => {
this.zone.run(() => {
if (['24h', '3d'].includes(this.zoomTimeSpan)) {
const url = new RelativeUrlPipe(this.stateService).transform(`/block/${e.name}`);
if (e.event.event.shiftKey || e.event.event.ctrlKey || e.event.event.metaKey) {
window.open(url);
} else {
this.router.navigate([url]);
}
}
});
});
}
@HostListener('document:pointerup', ['$event'])
onPointerUp(event: PointerEvent) {
if (this.updateZoom) {
this.onZoom();
this.updateZoom = false;
}
}
isMobile() {
return (window.innerWidth <= 767.98);
}
initSubsidies(): { [key: number]: number } {
let blockReward = 50 * 100_000_000;
const subsidies = {};
for (let i = 0; i <= 33; i++) {
subsidies[i] = blockReward;
blockReward = Math.floor(blockReward / 2);
}
return subsidies;
}
subsidyAt(height: number): number {
return this.subsidies[Math.floor(Math.min(height / 210000, 33))];
}
onZoom() {
const option = this.chartInstance.getOption();
const timestamps = option.xAxis[1].data;
const startTimestamp = timestamps[option.dataZoom[0].startValue];
const endTimestamp = timestamps[option.dataZoom[0].endValue];
this.isLoading = true;
this.cd.detectChanges();
const subscription = this.apiService.getBlockFeesFromTimespan$(Math.floor(startTimestamp / 1000), Math.floor(endTimestamp / 1000))
.pipe(
tap((response) => {
const startIndex = option.dataZoom[0].startValue;
const endIndex = option.dataZoom[0].endValue;
// Update series with more granular data
const lengthBefore = this.data.timestamp.length;
this.data.timestamp.splice(startIndex, endIndex - startIndex, ...response.body.map(val => val.timestamp * 1000));
this.data.blockHeight.splice(startIndex, endIndex - startIndex, ...response.body.map(val => val.avgHeight));
this.data.blockFees.splice(startIndex, endIndex - startIndex, ...response.body.map(val => val.avgFees / 100_000_000));
this.data.blockFeesFiat.splice(startIndex, endIndex - startIndex, ...response.body.filter(val => val['USD'] > 0).map(val => val.avgFees / 100_000_000 * val['USD']));
this.data.blockFeesPercent.splice(startIndex, endIndex - startIndex, ...response.body.map(val => val.avgFees / (val.avgFees + this.subsidyAt(val.avgHeight)) * 100));
this.data.blockSubsidy.splice(startIndex, endIndex - startIndex, ...response.body.map(val => this.subsidyAt(val.avgHeight) / 100_000_000));
this.data.blockSubsidyFiat.splice(startIndex, endIndex - startIndex, ...response.body.filter(val => val['USD'] > 0).map(val => this.subsidyAt(val.avgHeight) / 100_000_000 * val['USD']));
this.data.blockSubsidyPercent.splice(startIndex, endIndex - startIndex, ...response.body.map(val => this.subsidyAt(val.avgHeight) / (val.avgFees + this.subsidyAt(val.avgHeight)) * 100));
option.series[0].data = this.data.blockSubsidy;
option.series[1].data = this.data.blockFees;
option.series[2].data = this.data.blockSubsidyFiat;
option.series[3].data = this.data.blockFeesFiat;
option.series[4].data = this.data.blockSubsidyPercent;
option.series[5].data = this.data.blockFeesPercent;
option.xAxis[0].data = this.data.blockHeight;
option.xAxis[1].data = this.data.timestamp;
this.chartInstance.setOption(option, true);
const lengthAfter = this.data.timestamp.length;
// Update the zoom to keep the same range after the update
this.chartInstance.dispatchAction({
type: 'dataZoom',
startValue: startIndex,
endValue: endIndex + lengthAfter - lengthBefore,
silent: true,
});
// Update the chart
const newOption = this.chartInstance.getOption();
this.zoomSpan = newOption.dataZoom[0].end - newOption.dataZoom[0].start;
this.zoomTimeSpan = this.getTimeRangeFromTimespan(Math.floor(this.data.timestamp[newOption.dataZoom[0].startValue] / 1000), Math.floor(this.data.timestamp[newOption.dataZoom[0].endValue] / 1000));
this.isLoading = false;
}),
catchError(() => {
const newOption = this.chartInstance.getOption();
this.zoomSpan = newOption.dataZoom[0].end - newOption.dataZoom[0].start;
this.zoomTimeSpan = this.getTimeRangeFromTimespan(Math.floor(this.data.timestamp[newOption.dataZoom[0].startValue] / 1000), Math.floor(this.data.timestamp[newOption.dataZoom[0].endValue] / 1000));
this.isLoading = false;
this.cd.detectChanges();
return [];
})
).subscribe(() => {
subscription.unsubscribe();
this.cd.detectChanges();
});
}
getTimeRangeFromTimespan(from: number, to: number): string {
const timespan = to - from;
switch (true) {
case timespan >= 3600 * 24 * 365 * 4: return 'all';
case timespan >= 3600 * 24 * 365 * 3: return '4y';
case timespan >= 3600 * 24 * 365 * 2: return '3y';
case timespan >= 3600 * 24 * 365: return '2y';
case timespan >= 3600 * 24 * 30 * 6: return '1y';
case timespan >= 3600 * 24 * 30 * 3: return '6m';
case timespan >= 3600 * 24 * 30: return '3m';
case timespan >= 3600 * 24 * 7: return '1m';
case timespan >= 3600 * 24 * 3: return '1w';
case timespan >= 3600 * 24: return '3d';
default: return '24h';
}
}
onSaveChart() {
// @ts-ignore
const prevBottom = this.chartOptions.grid.bottom;
const now = new Date();
// @ts-ignore
this.chartOptions.grid.bottom = 40;
this.chartOptions.backgroundColor = 'var(--active-bg)';
this.chartInstance.setOption(this.chartOptions);
download(this.chartInstance.getDataURL({
pixelRatio: 2,
excludeComponents: ['dataZoom'],
}), `block-fees-subsidy-${this.timespan}-${Math.round(now.getTime() / 1000)}.svg`);
// @ts-ignore
this.chartOptions.grid.bottom = prevBottom;
this.chartOptions.backgroundColor = 'none';
this.chartInstance.setOption(this.chartOptions);
}
}