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