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import { Component, OnInit, OnDestroy, Inject, ViewChild } from '@angular/core';
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import { FormControl } from '@angular/forms';
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import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
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import { Subject, Observable } from 'rxjs';
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import { takeUntil, filter, startWith, map } from 'rxjs/operators';
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import { Store } from '@ngrx/store';
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import { Actions } from '@ngrx/effects';
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import { faExclamationTriangle } from '@fortawesome/free-solid-svg-icons';
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import { Peer, GetInfo } from '../../../../shared/models/lndModels';
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import { OpenChannelAlert } from '../../../../shared/models/alertData';
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import { APICallStatusEnum, LNDActions, TRANS_TYPES } from '../../../../shared/services/consts-enums-functions';
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import { RTLState } from '../../../../store/rtl.state';
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import { saveNewChannel } from '../../../store/lnd.actions';
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import { SelNodeChild } from '../../../../shared/models/RTLconfig';
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import { lndNodeSettings } from '../../../store/lnd.selector';
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@Component({
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selector: 'rtl-open-channel',
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templateUrl: './open-channel.component.html',
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styleUrls: ['./open-channel.component.scss']
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})
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export class OpenChannelComponent implements OnInit, OnDestroy {
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@ViewChild('form', { static: true }) form: any;
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public selectedPeer = new FormControl();
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public selNode: SelNodeChild | null = {};
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public amount = new FormControl();
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public faExclamationTriangle = faExclamationTriangle;
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public alertTitle: string;
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public peer: Peer | null;
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public peers: Peer[];
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public sortedPeers: Peer[];
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public filteredPeers: Observable<Peer[]>;
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public channelConnectionError = '';
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public advancedTitle = 'Advanced Options';
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public information: GetInfo;
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public totalBalance = 0;
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public fundingAmount: number | null;
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public selectedPubkey = '';
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public isPrivate = false;
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public selTransType = '0';
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public spendUnconfirmed = false;
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public transTypeValue = '';
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public transTypes = TRANS_TYPES;
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private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject()];
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constructor(public dialogRef: MatDialogRef<OpenChannelComponent>, @Inject(MAT_DIALOG_DATA) public data: OpenChannelAlert, private store: Store<RTLState>, private actions: Actions) { }
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ngOnInit() {
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if (this.data.message) {
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this.information = this.data.message.information;
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this.totalBalance = this.data.message.balance;
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this.peer = this.data.message.peer || null;
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this.peers = this.data.message.peers || [];
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} else {
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this.information = {};
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this.totalBalance = 0;
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this.peer = null;
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this.peers = [];
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}
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this.alertTitle = this.data.alertTitle || 'Alert';
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this.store.select(lndNodeSettings).pipe(takeUntil(this.unSubs[0])).
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subscribe((nodeSettings: SelNodeChild | null) => {
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this.selNode = nodeSettings;
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this.isPrivate = !!nodeSettings?.unannouncedChannels;
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});
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this.actions.pipe(
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takeUntil(this.unSubs[1]),
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filter((action) => action.type === LNDActions.UPDATE_API_CALL_STATUS_LND || action.type === LNDActions.FETCH_CHANNELS_LND)).
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subscribe((action: any) => {
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if (action.type === LNDActions.UPDATE_API_CALL_STATUS_LND && action.payload.status === APICallStatusEnum.ERROR && action.payload.action === 'SaveNewChannel') {
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this.channelConnectionError = action.payload.message;
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}
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if (action.type === LNDActions.FETCH_CHANNELS_LND) {
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this.dialogRef.close();
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}
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});
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let x = '';
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let y = '';
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this.sortedPeers = this.peers.sort((p1, p2) => {
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x = p1.alias ? p1.alias.toLowerCase() : p1.pub_key ? p1.pub_key.toLowerCase() : '';
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y = p2.alias ? p2.alias.toLowerCase() : p1.pub_key ? p1.pub_key.toLowerCase() : '';
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return ((x < y) ? -1 : ((x > y) ? 1 : 0));
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});
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this.filteredPeers = this.selectedPeer.valueChanges.pipe(
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takeUntil(this.unSubs[2]), startWith(''),
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map((peer) => (typeof peer === 'string' ? peer : peer.alias ? peer.alias : peer.pub_key)),
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map((alias) => (alias ? this.filterPeers(alias) : this.sortedPeers.slice()))
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);
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}
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private filterPeers(newlySelectedPeer: string): Peer[] {
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return this.sortedPeers?.filter((peer) => peer.alias?.toLowerCase().indexOf(newlySelectedPeer ? newlySelectedPeer.toLowerCase() : '') === 0);
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}
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displayFn(peer: Peer): string {
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return (peer && peer.alias) ? peer.alias : (peer && peer.pub_key) ? peer.pub_key : '';
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}
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onSelectedPeerChanged() {
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this.channelConnectionError = '';
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this.selectedPubkey = (this.selectedPeer.value && this.selectedPeer.value.pub_key) ? this.selectedPeer.value.pub_key : null;
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if (typeof this.selectedPeer.value === 'string') {
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const selPeer = this.peers?.filter((peer) => peer.alias?.length === this.selectedPeer.value.length && peer.alias?.toLowerCase().indexOf(this.selectedPeer.value ? this.selectedPeer.value.toLowerCase() : '') === 0);
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if (selPeer.length === 1 && selPeer[0].pub_key) {
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this.selectedPubkey = selPeer[0].pub_key;
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}
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}
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if (this.selectedPeer.value && !this.selectedPubkey) {
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this.selectedPeer.setErrors({ notfound: true });
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} else {
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this.selectedPeer.setErrors(null);
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}
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}
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onClose() {
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this.dialogRef.close(false);
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}
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resetData() {
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this.selectedPeer.setValue('');
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this.fundingAmount = null;
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this.isPrivate = !!this.selNode?.unannouncedChannels;
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this.spendUnconfirmed = false;
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this.selTransType = '0';
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this.transTypeValue = '';
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this.channelConnectionError = '';
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this.advancedTitle = 'Advanced Options';
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this.form.resetForm();
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}
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onOpenChannel(): boolean | void {
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if ((!this.peer && !this.selectedPubkey) || (!this.fundingAmount || ((this.totalBalance - this.fundingAmount) < 0) || ((this.selTransType === '1' || this.selTransType === '2') && !this.transTypeValue))) {
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return true;
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}
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this.store.dispatch(saveNewChannel({
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payload: {
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selectedPeerPubkey: ((!this.peer || !this.peer.pub_key) ? this.selectedPubkey : this.peer.pub_key), fundingAmount: this.fundingAmount, private: this.isPrivate,
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transType: this.selTransType, transTypeValue: this.transTypeValue, spendUnconfirmed: this.spendUnconfirmed
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}
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}));
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}
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onAdvancedPanelToggle(isClosed: boolean) {
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if (isClosed) {
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this.advancedTitle = 'Advanced Options | ' + (this.selTransType === '1' ? 'Target Confirmation Blocks: ' : this.selTransType === '2' ?
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'Fee (Sats/vByte): ' : 'Default') + ((this.selTransType === '1' || this.selTransType === '2') ? this.transTypeValue : '') +
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' | Spend Unconfirmed Output: ' + (this.spendUnconfirmed ? 'Yes' : 'No');
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} else {
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this.advancedTitle = 'Advanced Options';
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}
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}
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ngOnDestroy() {
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this.unSubs.forEach((completeSub) => {
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completeSub.next(<any>null);
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completeSub.complete();
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});
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}
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}
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