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313 lines
15 KiB
TypeScript
313 lines
15 KiB
TypeScript
import { Component, OnInit, Inject, OnDestroy, ViewChild } from '@angular/core';
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import { UntypedFormBuilder, UntypedFormGroup, Validators } from '@angular/forms';
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import { DecimalPipe } from '@angular/common';
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import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
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import { MatStepper } from '@angular/material/stepper';
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import { Subject, Observable, of } from 'rxjs';
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import { takeUntil, filter, startWith, map } from 'rxjs/operators';
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import { Actions } from '@ngrx/effects';
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import { Store } from '@ngrx/store';
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import { faInfoCircle } from '@fortawesome/free-solid-svg-icons';
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import { ChannelRebalanceAlert } from '../../../../shared/models/alertData';
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import { LoggerService } from '../../../../shared/services/logger.service';
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import { CommonService } from '../../../../shared/services/common.service';
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import { Channel, QueryRoutes, ListInvoices } from '../../../../shared/models/lndModels';
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import { DEFAULT_INVOICE_EXPIRY, FEE_LIMIT_TYPES, LNDActions, PAGE_SIZE, ScreenSizeEnum, UI_MESSAGES } from '../../../../shared/services/consts-enums-functions';
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import { RTLState } from '../../../../store/rtl.state';
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import { saveNewInvoice, sendPayment } from '../../../store/lnd.actions';
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import { invoices } from '../../../store/lnd.selector';
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import { ApiCallStatusPayload } from '../../../../shared/models/apiCallsPayload';
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import { opacityAnimation } from '../../../../shared/animation/opacity-animation';
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@Component({
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selector: 'rtl-channel-rebalance',
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templateUrl: './channel-rebalance.component.html',
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styleUrls: ['./channel-rebalance.component.scss'],
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animations: [opacityAnimation]
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})
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export class ChannelRebalanceComponent implements OnInit, OnDestroy {
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@ViewChild('stepper', { static: false }) stepper: MatStepper;
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public faInfoCircle = faInfoCircle;
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public invoices: ListInvoices = {};
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public selChannel: Channel = {};
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public activeChannels: Channel[] = [];
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public filteredActiveChannels: Observable<Channel[]>;
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public feeLimitTypes: any[] = [];
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public queryRoute: QueryRoutes | null = {};
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public paymentRequest = '';
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public paymentStatus: any = null;
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public flgReusingInvoice = false;
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public flgInvoiceGenerated = false;
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public flgPaymentSent = false;
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public inputFormLabel = 'Amount to rebalance';
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public feeFormLabel = 'Select rebalance fee';
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public flgEditable = true;
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public flgShowInfo = false;
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public stepNumber = 1;
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public screenSize = '';
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public screenSizeEnum = ScreenSizeEnum;
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public animationDirection = 'forward';
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inputFormGroup: UntypedFormGroup;
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feeFormGroup: UntypedFormGroup;
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statusFormGroup: UntypedFormGroup;
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private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject()];
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constructor(
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public dialogRef: MatDialogRef<ChannelRebalanceComponent>,
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@Inject(MAT_DIALOG_DATA) public data: ChannelRebalanceAlert,
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private logger: LoggerService,
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private store: Store<RTLState>,
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private actions: Actions,
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private formBuilder: UntypedFormBuilder,
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private decimalPipe: DecimalPipe,
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private commonService: CommonService) { }
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ngOnInit() {
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this.screenSize = this.commonService.getScreenSize();
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let x = '';
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let y = '';
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this.selChannel = this.data.message?.selChannel || {};
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this.activeChannels = this.data.message?.channels?.filter((channel) => channel.active && channel.chan_id !== this.selChannel.chan_id && channel.remote_balance && channel.remote_balance > 0) || [];
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this.activeChannels = this.activeChannels.sort((c1: Channel, c2: Channel) => {
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x = c1.remote_alias ? c1.remote_alias.toLowerCase() : c1.chan_id ? c1.chan_id.toLowerCase() : '';
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y = c2.remote_alias ? c2.remote_alias.toLowerCase() : c1.chan_id ? c1.chan_id.toLowerCase() : '';
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return ((x < y) ? -1 : ((x > y) ? 1 : 0));
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});
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FEE_LIMIT_TYPES.forEach((FEE_LIMIT_TYPE, i) => {
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if (i > 0) {
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this.feeLimitTypes.push(FEE_LIMIT_TYPE);
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}
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});
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// HiddenAmount & hiddenFeeLimit are temporary hacks to overcome material steppers stepChanged event shortcoming.
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// User should be able to go to next step only by clicking the action button on the step.
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this.inputFormGroup = this.formBuilder.group({
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hiddenAmount: ['', [Validators.required]],
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rebalanceAmount: ['', [Validators.required, Validators.min(1), Validators.max(this.selChannel.local_balance || 0)]],
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selRebalancePeer: [null, Validators.required]
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});
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this.feeFormGroup = this.formBuilder.group({
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selFeeLimitType: [this.feeLimitTypes[0], Validators.required],
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feeLimit: ['', [Validators.required, Validators.min(0)]],
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hiddenFeeLimit: ['', [Validators.required]]
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});
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this.statusFormGroup = this.formBuilder.group({});
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this.store.select(invoices).pipe(takeUntil(this.unSubs[0])).
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subscribe((invoicesSelector: { listInvoices: ListInvoices, apiCallStatus: ApiCallStatusPayload }) => {
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this.invoices = invoicesSelector.listInvoices;
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this.logger.info(invoicesSelector);
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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.SET_QUERY_ROUTES_LND || action.type === LNDActions.SEND_PAYMENT_STATUS_LND || action.type === LNDActions.NEWLY_SAVED_INVOICE_LND)).
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subscribe((action: any) => {
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if (action.type === LNDActions.SET_QUERY_ROUTES_LND) {
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this.queryRoute = action.payload;
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}
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if (action.type === LNDActions.SEND_PAYMENT_STATUS_LND) {
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this.logger.info(action.payload);
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this.flgPaymentSent = true;
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this.paymentStatus = action.payload;
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this.flgEditable = true;
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}
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if (action.type === LNDActions.NEWLY_SAVED_INVOICE_LND) {
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this.logger.info(action.payload);
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this.flgInvoiceGenerated = true;
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this.sendPayment(action.payload.paymentRequest);
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}
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});
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this.inputFormGroup.get('rebalanceAmount')?.valueChanges.pipe(
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takeUntil(this.unSubs[2]), startWith(0)).
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subscribe((amount) => {
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this.inputFormGroup.controls.selRebalancePeer.setValue('');
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this.inputFormGroup.controls.selRebalancePeer.setErrors(null);
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this.filteredActiveChannels = of(amount ? this.filterActiveChannels() : this.activeChannels.slice());
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});
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this.inputFormGroup.get('selRebalancePeer')?.valueChanges.pipe(
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takeUntil(this.unSubs[3]), startWith('')).
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subscribe((alias) => {
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if (typeof alias === 'string') {
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this.filteredActiveChannels = of(this.filterActiveChannels());
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}
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});
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}
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onSelectFee(): boolean | void {
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if (this.inputFormGroup.controls.selRebalancePeer.value && typeof this.inputFormGroup.controls.selRebalancePeer.value === 'string') {
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this.onSelectedPeerChanged();
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}
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if (!this.inputFormGroup.controls.selRebalancePeer.value || typeof this.inputFormGroup.controls.selRebalancePeer.value === 'string') {
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this.inputFormGroup.controls.selRebalancePeer.setErrors({ required: true });
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return true;
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}
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if (!this.inputFormGroup.controls.rebalanceAmount.value) {
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return true;
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}
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if (this.stepper.selectedIndex === 0) {
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this.inputFormGroup.controls.hiddenAmount.setValue(this.inputFormGroup.controls.rebalanceAmount.value);
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this.stepper.next();
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}
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this.queryRoute = null;
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this.feeFormGroup.reset();
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this.feeFormGroup.controls.selFeeLimitType.setValue(this.feeLimitTypes[0]);
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}
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stepSelectionChanged(event: any) {
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switch (event.selectedIndex) {
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case 0:
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this.inputFormLabel = 'Amount to rebalance';
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this.feeFormLabel = 'Select rebalance fee';
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break;
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case 1:
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if (this.inputFormGroup.controls.rebalanceAmount.value || this.inputFormGroup.controls.selRebalancePeer.value.remote_alias) {
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this.inputFormLabel = 'Rebalancing Amount: ' +
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(this.decimalPipe.transform(this.inputFormGroup.controls.rebalanceAmount.value ? this.inputFormGroup.controls.rebalanceAmount.value : 0)) +
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' Sats | Peer: ' + (this.inputFormGroup.controls.selRebalancePeer.value.remote_alias ? this.inputFormGroup.controls.selRebalancePeer.value.remote_alias :
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(this.inputFormGroup.controls.selRebalancePeer.value.remote_pubkey.substring(0, 15) + '...'));
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} else {
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this.inputFormLabel = 'Amount to rebalance';
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}
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this.feeFormLabel = 'Select rebalance fee';
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break;
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case 2:
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if (this.inputFormGroup.controls.rebalanceAmount.value || this.inputFormGroup.controls.selRebalancePeer.value.remote_alias) {
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this.inputFormLabel = 'Rebalancing Amount: ' +
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(this.decimalPipe.transform(this.inputFormGroup.controls.rebalanceAmount.value ? this.inputFormGroup.controls.rebalanceAmount.value : 0)) +
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' Sats | Peer: ' + (this.inputFormGroup.controls.selRebalancePeer.value.remote_alias ? this.inputFormGroup.controls.selRebalancePeer.value.remote_alias :
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(this.inputFormGroup.controls.selRebalancePeer.value.remote_pubkey.substring(0, 15) + '...'));
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} else {
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this.inputFormLabel = 'Amount to rebalance';
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}
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if (this.queryRoute && this.queryRoute.routes && this.queryRoute.routes.length > 0 && (this.queryRoute.routes[0].total_fees_msat || (this.queryRoute.routes[0].hops && this.queryRoute.routes[0].hops.length))) {
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this.feeFormLabel = this.feeFormGroup.controls.selFeeLimitType.value.placeholder + ': ' + this.decimalPipe.transform(this.feeFormGroup.controls.feeLimit.value ? this.feeFormGroup.controls.feeLimit.value : 0) + ' | Hops: ' + this.queryRoute.routes[0].hops?.length;
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} else {
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this.feeFormLabel = 'Select rebalance fee';
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}
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break;
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default:
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this.inputFormLabel = 'Amount to rebalance';
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this.feeFormLabel = 'Select rebalance fee';
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break;
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}
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if (event.selectedIndex < event.previouslySelectedIndex) {
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if (event.selectedIndex === 0) {
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this.inputFormGroup.controls.hiddenAmount.setValue('');
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} else if (event.selectedIndex === 1) {
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this.feeFormGroup.controls.hiddenFeeLimit.setValue('');
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}
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}
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}
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onRebalance(): boolean | void {
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if (!this.inputFormGroup.controls.rebalanceAmount.value || this.inputFormGroup.controls.rebalanceAmount.value <= 0 ||
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(this.selChannel.local_balance && this.inputFormGroup.controls.rebalanceAmount.value > +this.selChannel.local_balance) ||
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!this.feeFormGroup.controls.feeLimit.value || this.feeFormGroup.controls.feeLimit.value < 0 ||
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!this.inputFormGroup.controls.selRebalancePeer.value.remote_pubkey) {
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return true;
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}
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this.feeFormGroup.controls.hiddenFeeLimit.setValue(this.feeFormGroup.controls.feeLimit.value);
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this.stepper.next();
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this.flgEditable = false;
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this.paymentRequest = '';
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this.paymentStatus = null;
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this.flgReusingInvoice = false;
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this.flgInvoiceGenerated = false;
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this.flgPaymentSent = false;
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const unsettledInvoice = this.findUnsettledInvoice();
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if (unsettledInvoice) {
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this.flgReusingInvoice = true;
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this.sendPayment(unsettledInvoice.payment_request || '');
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} else {
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this.store.dispatch(saveNewInvoice({
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payload: {
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uiMessage: UI_MESSAGES.NO_SPINNER, memo: 'Local-Rebalance-' + this.inputFormGroup.controls.rebalanceAmount.value + '-Sats', value: this.inputFormGroup.controls.rebalanceAmount.value, private: false, expiry: DEFAULT_INVOICE_EXPIRY, is_amp: false, pageSize: PAGE_SIZE, openModal: false
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}
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}));
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}
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}
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findUnsettledInvoice() {
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return this.invoices.invoices?.find((invoice) => (!invoice.settle_date || +invoice.settle_date === 0) && invoice.memo === 'Local-Rebalance-' + this.inputFormGroup.controls.rebalanceAmount.value + '-Sats' && invoice.state !== 'CANCELED');
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}
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sendPayment(payReq: string) {
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this.flgInvoiceGenerated = true;
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this.paymentRequest = payReq;
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if (this.feeFormGroup.controls.selFeeLimitType.value.id === 'percent' && !(+this.feeFormGroup.controls.feeLimit.value % 1 === 0)) {
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this.store.dispatch(sendPayment({ payload: { uiMessage: UI_MESSAGES.NO_SPINNER, paymentReq: payReq, outgoingChannel: this.selChannel,
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feeLimitType: 'fixed', feeLimit: Math.ceil((+this.feeFormGroup.controls.feeLimit.value * +this.inputFormGroup.controls.rebalanceAmount.value) / 100),
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allowSelfPayment: true, lastHopPubkey: this.inputFormGroup.controls.selRebalancePeer.value.remote_pubkey, fromDialog: true } }));
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} else {
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this.store.dispatch(sendPayment({ payload: { uiMessage: UI_MESSAGES.NO_SPINNER, paymentReq: payReq, outgoingChannel: this.selChannel,
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feeLimitType: this.feeFormGroup.controls.selFeeLimitType.value.id, feeLimit: this.feeFormGroup.controls.feeLimit.value, allowSelfPayment: true,
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lastHopPubkey: this.inputFormGroup.controls.selRebalancePeer.value.remote_pubkey, fromDialog: true } }));
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}
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}
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filterActiveChannels() {
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return this.activeChannels?.filter((channel) => channel.remote_balance && channel.remote_balance >= this.inputFormGroup.controls.rebalanceAmount.value &&
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channel.chan_id !== this.selChannel.chan_id && ((channel.remote_alias?.toLowerCase().indexOf(this.inputFormGroup.controls.selRebalancePeer.value ? this.inputFormGroup.controls.selRebalancePeer.value.toLowerCase() : '') === 0) ||
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(channel.chan_id?.toLowerCase().indexOf(this.inputFormGroup.controls.selRebalancePeer.value ? this.inputFormGroup.controls.selRebalancePeer.value.toLowerCase() : '') === 0)));
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}
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onSelectedPeerChanged() {
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if (this.inputFormGroup.controls.selRebalancePeer.value && this.inputFormGroup.controls.selRebalancePeer.value.length > 0 && typeof this.inputFormGroup.controls.selRebalancePeer.value === 'string') {
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const foundChannels = this.activeChannels?.filter((channel) => channel.remote_alias?.length === this.inputFormGroup.controls.selRebalancePeer.value.length &&
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channel.remote_alias?.toLowerCase().indexOf(this.inputFormGroup.controls.selRebalancePeer.value ? this.inputFormGroup.controls.selRebalancePeer.value.toLowerCase() : '') === 0);
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if (foundChannels && foundChannels.length > 0) {
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this.inputFormGroup.controls.selRebalancePeer.setValue(foundChannels[0]);
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this.inputFormGroup.controls.selRebalancePeer.setErrors(null);
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} else {
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this.inputFormGroup.controls.selRebalancePeer.setErrors({ notfound: true });
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}
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}
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}
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displayFn(channel: Channel): string {
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return (channel && channel.remote_alias) ? channel.remote_alias : (channel && channel.chan_id) ? channel.chan_id : '';
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}
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showInfo() {
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this.flgShowInfo = true;
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}
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onStepChanged(index: number) {
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this.animationDirection = index < this.stepNumber ? 'backward' : 'forward';
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this.stepNumber = index;
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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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onRestart() {
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this.flgInvoiceGenerated = false;
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this.flgPaymentSent = false;
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this.flgEditable = true;
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this.stepper.reset();
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this.inputFormGroup.reset();
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this.feeFormGroup.reset();
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this.statusFormGroup.reset();
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this.inputFormGroup.controls.hiddenAmount.setValue('');
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this.inputFormGroup.controls.hiddenAmount.setErrors(null);
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this.inputFormGroup.controls.rebalanceAmount.setValue('');
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this.inputFormGroup.controls.rebalanceAmount.setErrors(null);
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this.inputFormGroup.controls.selRebalancePeer.setValue('');
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this.inputFormGroup.controls.selRebalancePeer.setErrors(null);
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this.filteredActiveChannels = of(this.activeChannels);
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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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