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import { Component, OnInit, OnDestroy } from '@angular/core';
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import { Router, ResolveEnd, Event } from '@angular/router';
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import { Subject } from 'rxjs';
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import { takeUntil, filter } from 'rxjs/operators';
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import { Store } from '@ngrx/store';
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import { OpenChannelComponent } from '../open-channel-modal/open-channel.component';
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import { Peer, GetInfo, Channel, ChannelsSummary, LightningBalance, PendingChannelsSummary, PendingChannels, ClosedChannel, BlockchainBalance } from '../../../../shared/models/lndModels';
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import { LoggerService } from '../../../../shared/services/logger.service';
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import { RTLState } from '../../../../store/rtl.state';
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import { openAlert } from '../../../../store/rtl.actions';
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import { blockchainBalance, channels, closedChannels, lndNodeInformation, peers, pendingChannels } from '../../../store/lnd.selector';
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import { ApiCallStatusPayload } from '../../../../shared/models/apiCallsPayload';
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@Component({
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selector: 'rtl-channels-tables',
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templateUrl: './channels-tables.component.html',
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styleUrls: ['./channels-tables.component.scss']
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})
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export class ChannelsTablesComponent implements OnInit, OnDestroy {
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public numOpenChannels = 0;
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public numPendingChannels = 0;
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public numClosedChannels = 0;
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public numActiveHTLCs = 0;
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public peers: Peer[] = [];
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public information: GetInfo = {};
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public totalBalance = 0;
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public links = [{ link: 'open', name: 'Open' }, { link: 'pending', name: 'Pending' }, { link: 'closed', name: 'Closed' }, { link: 'activehtlcs', name: 'Active HTLCs' }];
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public activeLink = 0;
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private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject()];
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constructor(private logger: LoggerService, private store: Store<RTLState>, private router: Router) { }
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ngOnInit() {
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this.activeLink = this.links.findIndex((link) => link.link === this.router.url.substring(this.router.url.lastIndexOf('/') + 1));
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this.router.events.pipe(takeUntil(this.unSubs[0]), filter((e) => e instanceof ResolveEnd)).
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subscribe({
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next: (value: ResolveEnd | Event) => {
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this.activeLink = this.links.findIndex((link) => link.link === (<ResolveEnd>value).urlAfterRedirects.substring((<ResolveEnd>value).urlAfterRedirects.lastIndexOf('/') + 1));
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}
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});
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this.store.select(lndNodeInformation).pipe(takeUntil(this.unSubs[1])).subscribe((nodeInfo: GetInfo) => { this.information = nodeInfo; });
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this.store.select(channels).pipe(takeUntil(this.unSubs[2])).
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subscribe((channelsSelector: { channels: Channel[], channelsSummary: ChannelsSummary, lightningBalance: LightningBalance, apiCallStatus: ApiCallStatusPayload }) => {
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this.numOpenChannels = (channelsSelector.channels && channelsSelector.channels.length) ? channelsSelector.channels.length : 0;
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this.numActiveHTLCs = channelsSelector.channels.reduce((totalHTLCs, channel) => totalHTLCs + (channel.pending_htlcs && channel.pending_htlcs.length > 0 ? channel.pending_htlcs.length : 0), 0);
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this.logger.info(channelsSelector);
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});
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this.store.select(pendingChannels).pipe(takeUntil(this.unSubs[3])).
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subscribe((pendingChannelsSelector: { pendingChannels: PendingChannels, pendingChannelsSummary: PendingChannelsSummary, apiCallStatus: ApiCallStatusPayload }) => {
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this.numPendingChannels = (pendingChannelsSelector.pendingChannelsSummary.total_channels) ? pendingChannelsSelector.pendingChannelsSummary.total_channels : 0;
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});
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this.store.select(closedChannels).pipe(takeUntil(this.unSubs[4])).
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subscribe((closedChannelsSelector: { closedChannels: ClosedChannel[], apiCallStatus: ApiCallStatusPayload }) => {
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this.numClosedChannels = (closedChannelsSelector.closedChannels && closedChannelsSelector.closedChannels.length) ? closedChannelsSelector.closedChannels.length : 0;
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});
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this.store.select(blockchainBalance).pipe(takeUntil(this.unSubs[5])).
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subscribe((bcBalanceSelector: { blockchainBalance: BlockchainBalance, apiCallStatus: ApiCallStatusPayload }) => {
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this.totalBalance = +bcBalanceSelector.blockchainBalance.total_balance;
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});
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this.store.select(peers).pipe(takeUntil(this.unSubs[6])).
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subscribe((peersSelector: { peers: Peer[], apiCallStatus: ApiCallStatusPayload }) => {
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this.peers = peersSelector.peers;
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this.peers.forEach((peer) => {
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if (!peer.alias || peer.alias === '') {
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peer.alias = peer.pub_key.substring(0, 15) + '...';
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}
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});
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this.logger.info(peersSelector);
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});
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}
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onOpenChannel() {
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const peerToAddChannelMessage = {
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peers: this.peers,
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information: this.information,
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balance: this.totalBalance
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};
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this.store.dispatch(openAlert({
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payload: {
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data: {
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alertTitle: 'Open Channel',
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message: peerToAddChannelMessage,
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component: OpenChannelComponent
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}
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}
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}));
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}
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onSelectedTabChange(event) {
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this.router.navigateByUrl('/lnd/connections/channels/' + this.links[event.index].link);
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}
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ngOnDestroy() {
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this.unSubs.forEach((completeSub) => {
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completeSub.next(null);
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completeSub.complete();
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});
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}
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}
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