347 lines
11 KiB
TypeScript
347 lines
11 KiB
TypeScript
import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, ChangeDetectorRef, Input, OnChanges, SimpleChanges } from '@angular/core';
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import { Observable, Subscription } from 'rxjs';
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import { StateService } from '../../services/state.service';
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import { specialBlocks } from '../../app.constants';
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import { BlockExtended } from '../../interfaces/node-api.interface';
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import { Location } from '@angular/common';
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import { CacheService } from '../../services/cache.service';
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interface BlockchainBlock extends BlockExtended {
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placeholder?: boolean;
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loading?: boolean;
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}
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@Component({
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selector: 'app-blockchain-blocks',
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templateUrl: './blockchain-blocks.component.html',
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styleUrls: ['./blockchain-blocks.component.scss'],
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changeDetection: ChangeDetectionStrategy.OnPush,
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})
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export class BlockchainBlocksComponent implements OnInit, OnChanges, OnDestroy {
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@Input() static: boolean = false;
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@Input() offset: number = 0;
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@Input() height: number = 0;
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@Input() count: number = 8;
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@Input() loadingTip: boolean = false;
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@Input() connected: boolean = true;
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specialBlocks = specialBlocks;
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network = '';
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blocks: BlockchainBlock[] = [];
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dynamicBlocksAmount: number = 8;
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emptyBlocks: BlockExtended[] = this.mountEmptyBlocks();
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markHeight: number;
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blocksSubscription: Subscription;
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blockPageSubscription: Subscription;
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networkSubscription: Subscription;
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tabHiddenSubscription: Subscription;
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markBlockSubscription: Subscription;
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loadingBlocks$: Observable<boolean>;
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blockStyles = [];
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emptyBlockStyles = [];
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interval: any;
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tabHidden = false;
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feeRounding = '1.0-0';
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arrowVisible = false;
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arrowLeftPx = 30;
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blocksFilled = false;
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arrowTransition = '1s';
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showMiningInfo = false;
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timeLtrSubscription: Subscription;
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timeLtr: boolean;
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gradientColors = {
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'': ['#9339f4', '#105fb0'],
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bisq: ['#9339f4', '#105fb0'],
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liquid: ['#116761', '#183550'],
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'liquidtestnet': ['#494a4a', '#272e46'],
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testnet: ['#1d486f', '#183550'],
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signet: ['#6f1d5d', '#471850'],
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};
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constructor(
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public stateService: StateService,
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public cacheService: CacheService,
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private cd: ChangeDetectorRef,
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private location: Location,
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) {
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}
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enabledMiningInfoIfNeeded(url) {
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this.showMiningInfo = url.indexOf('/mining') !== -1;
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this.cd.markForCheck(); // Need to update the view asap
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}
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ngOnInit() {
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this.dynamicBlocksAmount = Math.min(8, this.stateService.env.KEEP_BLOCKS_AMOUNT);
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if (['', 'testnet', 'signet'].includes(this.stateService.network)) {
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this.enabledMiningInfoIfNeeded(this.location.path());
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this.location.onUrlChange((url) => this.enabledMiningInfoIfNeeded(url));
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}
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this.timeLtrSubscription = this.stateService.timeLtr.subscribe((ltr) => {
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this.timeLtr = !!ltr;
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this.cd.markForCheck();
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});
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if (this.stateService.network === 'liquid' || this.stateService.network === 'liquidtestnet') {
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this.feeRounding = '1.0-1';
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}
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this.emptyBlocks.forEach((b) => this.emptyBlockStyles.push(this.getStyleForEmptyBlock(b)));
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this.loadingBlocks$ = this.stateService.isLoadingWebSocket$;
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this.networkSubscription = this.stateService.networkChanged$.subscribe((network) => this.network = network);
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this.tabHiddenSubscription = this.stateService.isTabHidden$.subscribe((tabHidden) => this.tabHidden = tabHidden);
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if (!this.static) {
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this.blocksSubscription = this.stateService.blocks$
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.subscribe(([block, txConfirmed]) => {
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if (this.blocks.some((b) => b.height === block.height)) {
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return;
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}
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if (this.blocks.length && block.height !== this.blocks[0].height + 1) {
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this.blocks = [];
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this.blocksFilled = false;
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}
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this.blocks.unshift(block);
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this.blocks = this.blocks.slice(0, this.dynamicBlocksAmount);
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if (txConfirmed && this.height === block.height) {
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this.markHeight = block.height;
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this.moveArrowToPosition(true, true);
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} else {
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this.moveArrowToPosition(true, false);
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}
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this.blockStyles = [];
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if (this.blocksFilled) {
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this.blocks.forEach((b, i) => this.blockStyles.push(this.getStyleForBlock(b, i, i ? -155 : -205)));
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setTimeout(() => {
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this.blockStyles = [];
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this.blocks.forEach((b, i) => this.blockStyles.push(this.getStyleForBlock(b, i)));
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this.cd.markForCheck();
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}, 50);
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} else {
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this.blocks.forEach((b, i) => this.blockStyles.push(this.getStyleForBlock(b, i)));
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}
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if (this.blocks.length === this.dynamicBlocksAmount) {
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this.blocksFilled = true;
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}
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this.cd.markForCheck();
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});
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} else {
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this.blockPageSubscription = this.cacheService.loadedBlocks$.subscribe((block) => {
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if (block.height <= this.height && block.height > this.height - this.count) {
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this.onBlockLoaded(block);
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}
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});
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}
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this.markBlockSubscription = this.stateService.markBlock$
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.subscribe((state) => {
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this.markHeight = undefined;
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if (state.blockHeight !== undefined) {
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this.markHeight = state.blockHeight;
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}
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this.moveArrowToPosition(false);
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this.cd.markForCheck();
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});
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if (this.static) {
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this.updateStaticBlocks();
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}
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}
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ngOnChanges(changes: SimpleChanges): void {
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if (this.static) {
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const animateSlide = changes.height && (changes.height.currentValue === changes.height.previousValue + 1);
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this.updateStaticBlocks(animateSlide);
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}
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}
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ngOnDestroy() {
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if (this.blocksSubscription) {
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this.blocksSubscription.unsubscribe();
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}
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if (this.blockPageSubscription) {
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this.blockPageSubscription.unsubscribe();
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}
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this.networkSubscription.unsubscribe();
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this.tabHiddenSubscription.unsubscribe();
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this.markBlockSubscription.unsubscribe();
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this.timeLtrSubscription.unsubscribe();
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clearInterval(this.interval);
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}
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moveArrowToPosition(animate: boolean, newBlockFromLeft = false) {
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if (this.markHeight === undefined) {
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this.arrowVisible = false;
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return;
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}
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const blockindex = this.blocks.findIndex((b) => b.height === this.markHeight);
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if (blockindex > -1) {
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if (!animate) {
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this.arrowTransition = 'inherit';
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}
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this.arrowVisible = true;
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if (newBlockFromLeft) {
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this.arrowLeftPx = blockindex * 155 + 30 - 205;
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setTimeout(() => {
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this.arrowTransition = '2s';
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this.arrowLeftPx = blockindex * 155 + 30;
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this.cd.markForCheck();
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}, 50);
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} else {
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this.arrowLeftPx = blockindex * 155 + 30;
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if (!animate) {
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setTimeout(() => {
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this.arrowTransition = '2s';
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this.cd.markForCheck();
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}, 50);
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}
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}
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} else {
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this.arrowVisible = false;
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}
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}
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trackByBlocksFn(index: number, item: BlockchainBlock) {
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return item.height;
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}
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updateStaticBlocks(animateSlide: boolean = false) {
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// reset blocks
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this.blocks = [];
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this.blockStyles = [];
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while (this.blocks.length < this.count) {
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const height = this.height - this.blocks.length;
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let block;
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if (height >= 0) {
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this.cacheService.loadBlock(height);
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block = this.cacheService.getCachedBlock(height) || null;
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}
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this.blocks.push(block || {
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placeholder: height < 0,
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loading: height >= 0,
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id: '',
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height,
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version: 0,
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timestamp: 0,
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bits: 0,
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nonce: 0,
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difficulty: 0,
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merkle_root: '',
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tx_count: 0,
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size: 0,
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weight: 0,
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previousblockhash: '',
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});
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}
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this.blocks = this.blocks.slice(0, this.count);
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this.blockStyles = [];
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this.blocks.forEach((b, i) => this.blockStyles.push(this.getStyleForBlock(b, i, animateSlide ? -155 : 0)));
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this.cd.markForCheck();
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if (animateSlide) {
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// animate blocks slide right
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setTimeout(() => {
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this.blockStyles = [];
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this.blocks.forEach((b, i) => this.blockStyles.push(this.getStyleForBlock(b, i)));
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this.cd.markForCheck();
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}, 50);
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this.moveArrowToPosition(true, true);
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} else {
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this.moveArrowToPosition(false, false);
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}
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}
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onBlockLoaded(block: BlockExtended) {
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const blockIndex = this.height - block.height;
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if (blockIndex >= 0 && blockIndex < this.blocks.length) {
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this.blocks[blockIndex] = block;
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this.blockStyles[blockIndex] = this.getStyleForBlock(block, blockIndex);
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}
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this.cd.markForCheck();
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}
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getStyleForBlock(block: BlockchainBlock, index: number, animateEnterFrom: number = 0) {
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if (!block || block.placeholder) {
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return this.getStyleForPlaceholderBlock(index, animateEnterFrom);
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} else if (block.loading) {
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return this.getStyleForLoadingBlock(index, animateEnterFrom);
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}
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const greenBackgroundHeight = 100 - (block.weight / this.stateService.env.BLOCK_WEIGHT_UNITS) * 100;
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let addLeft = 0;
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if (animateEnterFrom) {
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addLeft = animateEnterFrom || 0;
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}
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return {
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left: addLeft + 155 * index + 'px',
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background: `repeating-linear-gradient(
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#2d3348,
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#2d3348 ${greenBackgroundHeight}%,
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${this.gradientColors[this.network][0]} ${Math.max(greenBackgroundHeight, 0)}%,
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${this.gradientColors[this.network][1]} 100%
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)`,
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transition: animateEnterFrom ? 'background 2s, transform 1s' : null,
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};
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}
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convertStyleForLoadingBlock(style) {
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return {
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...style,
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background: "#2d3348",
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};
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}
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getStyleForLoadingBlock(index: number, animateEnterFrom: number = 0) {
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const addLeft = animateEnterFrom || 0;
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return {
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left: addLeft + (155 * index) + 'px',
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background: "#2d3348",
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};
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}
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getStyleForPlaceholderBlock(index: number, animateEnterFrom: number = 0) {
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const addLeft = animateEnterFrom || 0;
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return {
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left: addLeft + (155 * index) + 'px',
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};
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}
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getStyleForEmptyBlock(block: BlockExtended, animateEnterFrom: number = 0) {
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const addLeft = animateEnterFrom || 0;
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return {
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left: addLeft + 155 * this.emptyBlocks.indexOf(block) + 'px',
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background: "#2d3348",
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};
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}
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mountEmptyBlocks() {
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const emptyBlocks = [];
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for (let i = 0; i < this.dynamicBlocksAmount; i++) {
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emptyBlocks.push({
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id: '',
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height: 0,
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version: 0,
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timestamp: 0,
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bits: 0,
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nonce: 0,
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difficulty: 0,
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merkle_root: '',
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tx_count: 0,
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size: 0,
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weight: 0,
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previousblockhash: '',
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matchRate: 0,
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});
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}
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return emptyBlocks;
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}
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}
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