mempool/frontend/src/app/components/block-sizes-weights-graph/block-sizes-weights-graph.component.ts
2023-11-07 23:35:33 +00:00

354 lines
11 KiB
TypeScript

import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, OnInit, HostBinding } from '@angular/core';
import { EChartsOption} from '../../graphs/echarts';
import { Observable } from 'rxjs';
import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
import { ApiService } from '../../services/api.service';
import { SeoService } from '../../services/seo.service';
import { formatNumber } from '@angular/common';
import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
import { StorageService } from '../../services/storage.service';
import { MiningService } from '../../services/mining.service';
import { ActivatedRoute } from '@angular/router';
import { download, formatterXAxis } from '../../shared/graphs.utils';
@Component({
selector: 'app-block-sizes-weights-graph',
templateUrl: './block-sizes-weights-graph.component.html',
styleUrls: ['./block-sizes-weights-graph.component.scss'],
styles: [`
.loadingGraphs {
position: absolute;
top: 50%;
left: calc(50% - 15px);
z-index: 100;
}
`],
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class BlockSizesWeightsGraphComponent implements OnInit {
@Input() right: number | string = 45;
@Input() left: number | string = 75;
miningWindowPreference: string;
radioGroupForm: UntypedFormGroup;
chartOptions: EChartsOption = {};
chartInitOptions = {
renderer: 'svg',
};
@HostBinding('attr.dir') dir = 'ltr';
blockSizesWeightsObservable$: Observable<any>;
isLoading = true;
formatNumber = formatNumber;
timespan = '';
chartInstance: any = undefined;
constructor(
@Inject(LOCALE_ID) public locale: string,
private seoService: SeoService,
private apiService: ApiService,
private formBuilder: UntypedFormBuilder,
private storageService: StorageService,
private miningService: MiningService,
private route: ActivatedRoute,
) {
}
ngOnInit(): void {
let firstRun = true;
this.seoService.setTitle($localize`:@@56fa1cd221491b6478998679cba2dc8d55ba330d:Block Sizes and Weights`);
this.seoService.setDescription($localize`:@@meta.description.bitcoin.graphs.block-sizes:See Bitcoin block sizes (MB) and block weights (weight units) visualized over time.`);
this.miningWindowPreference = this.miningService.getDefaultTimespan('24h');
this.radioGroupForm = this.formBuilder.group({ dateSpan: this.miningWindowPreference });
this.radioGroupForm.controls.dateSpan.setValue(this.miningWindowPreference);
this.route
.fragment
.subscribe((fragment) => {
if (['24h', '3d', '1w', '1m', '3m', '6m', '1y', '2y', '3y', 'all'].indexOf(fragment) > -1) {
this.radioGroupForm.controls.dateSpan.setValue(fragment, { emitEvent: false });
}
});
this.blockSizesWeightsObservable$ = this.radioGroupForm.get('dateSpan').valueChanges
.pipe(
startWith(this.radioGroupForm.controls.dateSpan.value),
switchMap((timespan) => {
this.timespan = timespan;
if (!firstRun) {
this.storageService.setValue('miningWindowPreference', timespan);
}
firstRun = false;
this.miningWindowPreference = timespan;
this.isLoading = true;
return this.apiService.getHistoricalBlockSizesAndWeights$(timespan)
.pipe(
tap((response) => {
const data = response.body;
this.prepareChartOptions({
sizes: data.sizes.map(val => [val.timestamp * 1000, val.avgSize / 1000000, val.avgHeight]),
weights: data.weights.map(val => [val.timestamp * 1000, val.avgWeight / 1000000, val.avgHeight]),
sizePerWeight: data.weights.map((val, i) => [val.timestamp * 1000, data.sizes[i].avgSize / (val.avgWeight / 4), val.avgHeight]),
});
this.isLoading = false;
}),
map((response) => {
return {
blockCount: parseInt(response.headers.get('x-total-count'), 10),
};
}),
);
}),
share()
);
}
prepareChartOptions(data) {
let title: object;
if (data.sizes.length === 0) {
title = {
textStyle: {
color: 'grey',
fontSize: 15
},
text: $localize`:@@23555386d8af1ff73f297e89dd4af3f4689fb9dd:Indexing blocks`,
left: 'center',
top: 'center'
};
}
this.chartOptions = {
title: title,
animation: false,
color: [
'#FDD835',
'#D81B60',
'#039BE5',
],
grid: {
top: 30,
bottom: 70,
right: this.right,
left: this.left,
},
tooltip: {
show: !this.isMobile(),
trigger: 'axis',
axisPointer: {
type: 'line'
},
backgroundColor: 'rgba(17, 19, 31, 1)',
borderRadius: 4,
shadowColor: 'rgba(0, 0, 0, 0.5)',
textStyle: {
color: '#b1b1b1',
align: 'left',
},
borderColor: '#000',
formatter: (ticks) => {
let tooltip = `<b style="color: white; margin-left: 2px">${formatterXAxis(this.locale, this.timespan, parseInt(ticks[0].axisValue, 10))}</b><br>`;
for (const tick of ticks) {
if (tick.seriesIndex === 0) { // Size
tooltip += `${tick.marker} ${tick.seriesName}: ${formatNumber(tick.data[1], this.locale, '1.2-2')} MB`;
} else if (tick.seriesIndex === 1) { // Weight
tooltip += `${tick.marker} ${tick.seriesName}: ${formatNumber(tick.data[1], this.locale, '1.2-2')} MWU`;
} else if (tick.seriesIndex === 2) { // Size per weight
tooltip += `${tick.marker} ${tick.seriesName}: ${formatNumber(tick.data[1], this.locale, '1.2-2')} B/vB`;
}
tooltip += `<br>`;
}
if (['24h', '3d'].includes(this.timespan)) {
tooltip += `<small>` + $localize`At block: ${ticks[0].data[2]}` + `</small>`;
} else {
tooltip += `<small>` + $localize`Around block: ${ticks[0].data[2]}` + `</small>`;
}
return tooltip;
}
},
xAxis: data.sizes.length === 0 ? undefined : {
type: 'time',
splitNumber: this.isMobile() ? 5 : 10,
axisLabel: {
hideOverlap: true,
}
},
legend: data.sizes.length === 0 ? undefined : {
padding: 10,
data: [
{
name: $localize`:@@7faaaa08f56427999f3be41df1093ce4089bbd75:Size`,
inactiveColor: 'rgb(110, 112, 121)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: $localize`:@@919f2fd60a898850c24b1584362bbf18a4628bcb:Weight`,
inactiveColor: 'rgb(110, 112, 121)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
{
name: $localize`Size per weight`,
inactiveColor: 'rgb(110, 112, 121)',
textStyle: {
color: 'white',
},
icon: 'roundRect',
},
],
selected: JSON.parse(this.storageService.getValue('sizes_weights_legend')) ?? {
'Size': true,
'Weight': true,
'Size per weight': true,
}
},
yAxis: data.sizes.length === 0 ? undefined : [
{
type: 'value',
position: 'left',
min: (value) => {
return value.min * 0.9;
},
axisLabel: {
color: 'rgb(110, 112, 121)',
formatter: (val) => {
return `${Math.round(val * 100) / 100} MWU`;
}
},
splitLine: {
lineStyle: {
type: 'dotted',
color: '#ffffff66',
opacity: 0.25,
}
},
}
],
series: data.sizes.length === 0 ? [] : [
{
zlevel: 1,
name: $localize`:@@7faaaa08f56427999f3be41df1093ce4089bbd75:Size`,
showSymbol: false,
symbol: 'none',
data: data.sizes,
type: 'line',
lineStyle: {
width: 2,
},
markLine: {
silent: true,
symbol: 'none',
lineStyle: {
type: 'solid',
color: '#ffffff66',
opacity: 1,
width: 1,
},
data: [{
yAxis: 1,
label: {
position: 'end',
show: true,
color: '#ffffff',
formatter: `1 MB`
}
}],
}
},
{
zlevel: 1,
yAxisIndex: 0,
name: $localize`:@@919f2fd60a898850c24b1584362bbf18a4628bcb:Weight`,
showSymbol: false,
symbol: 'none',
data: data.weights,
type: 'line',
lineStyle: {
width: 2,
}
},
{
zlevel: 1,
yAxisIndex: 0,
name: $localize`Size per weight`,
showSymbol: false,
symbol: 'none',
data: data.sizePerWeight,
type: 'line',
lineStyle: {
width: 2,
}
}
],
dataZoom: [{
type: 'inside',
realtime: true,
zoomLock: true,
maxSpan: 100,
minSpan: 5,
moveOnMouseMove: false,
}, {
showDetail: false,
show: true,
type: 'slider',
brushSelect: false,
realtime: true,
left: 20,
right: 15,
selectedDataBackground: {
lineStyle: {
color: '#fff',
opacity: 0.45,
},
areaStyle: {
opacity: 0,
}
},
}],
};
}
onChartInit(ec) {
if (this.chartInstance !== undefined) {
return;
}
this.chartInstance = ec;
this.chartInstance.on('legendselectchanged', (e) => {
this.storageService.setValue('sizes_weights_legend', JSON.stringify(e.selected));
});
}
isMobile() {
return (window.innerWidth <= 767.98);
}
onSaveChart() {
// @ts-ignore
const prevBottom = this.chartOptions.grid.bottom;
const now = new Date();
// @ts-ignore
this.chartOptions.grid.bottom = 40;
this.chartOptions.backgroundColor = '#11131f';
this.chartInstance.setOption(this.chartOptions);
download(this.chartInstance.getDataURL({
pixelRatio: 2,
excludeComponents: ['dataZoom'],
}), `block-sizes-weights-${this.timespan}-${Math.round(now.getTime() / 1000)}.svg`);
// @ts-ignore
this.chartOptions.grid.bottom = prevBottom;
this.chartOptions.backgroundColor = 'none';
this.chartInstance.setOption(this.chartOptions);
}
}