Parse & display liquidity ads on node page
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Mononaut
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31
frontend/src/app/lightning/node/liquidity-ad.ts
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31
frontend/src/app/lightning/node/liquidity-ad.ts
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@ -0,0 +1,31 @@
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export interface ILiquidityAd {
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funding_weight: number;
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lease_fee_basis: number; // lease fee rate in parts-per-thousandth
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lease_fee_base_sat: number; // fixed lease fee in sats
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channel_fee_max_rate: number; // max routing fee rate in parts-per-thousandth
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channel_fee_max_base: number; // max routing base fee in milli-sats
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compact_lease?: string;
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}
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export function parseLiquidityAdHex(compact_lease: string): ILiquidityAd | false {
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if (!compact_lease || compact_lease.length < 20 || compact_lease.length > 28) {
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return false;
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}
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try {
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const liquidityAd: ILiquidityAd = {
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funding_weight: parseInt(compact_lease.slice(0, 4), 16),
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lease_fee_basis: parseInt(compact_lease.slice(4, 8), 16),
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channel_fee_max_rate: parseInt(compact_lease.slice(8, 12), 16),
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lease_fee_base_sat: parseInt(compact_lease.slice(12, 20), 16),
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channel_fee_max_base: compact_lease.length > 20 ? parseInt(compact_lease.slice(20), 16) : 0,
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}
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if (Object.values(liquidityAd).reduce((valid: boolean, value: number): boolean => (valid && !isNaN(value) && value >= 0), true)) {
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liquidityAd.compact_lease = compact_lease;
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return liquidityAd;
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} else {
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return false;
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}
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} catch (err) {
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return false;
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}
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}
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@ -127,19 +127,84 @@
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<div *ngIf="hasDetails" [hidden]="!showDetails" id="details" class="details mt-3">
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<div class="box">
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<h5 class="mb-3" i18n="node.tlv.records">TLV extension records</h5>
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<div class="row">
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<div class="col">
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<table class="table table-borderless table-striped">
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<tbody>
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<tr *ngFor="let recordItem of node.custom_records | keyvalue">
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<td class="tlv-type">{{ recordItem.key }}</td>
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<td class="tlv-payload">{{ recordItem.value }}</td>
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</tr>
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</tbody>
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</table>
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<ng-template [ngIf]="liquidityAd">
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<div class="detail-section">
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<h5 class="mb-3" i18n="node.liquidity-ad">Liquidity ad</h5>
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<div class="row">
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<div class="col-md">
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<table class="table table-borderless table-striped">
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<tbody>
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<tr>
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<td class="label" i18n="liquidity-ad.lease-fee-rate|Liquidity ad lease fee rate">Lease fee rate</td>
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<td>
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<span class="d-inline-block">
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{{ liquidityAd.lease_fee_basis !== null ? ((liquidityAd.lease_fee_basis * 1000) | amountShortener : 2 : undefined : true) : '-' }} <span class="symbol">ppm {{ liquidityAd.lease_fee_basis !== null ? '(' + (liquidityAd.lease_fee_basis / 10 | amountShortener : 2 : undefined : true) + '%)' : '' }}</span>
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</span>
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</td>
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</tr>
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<tr>
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<td class="label" i18n="liquidity-ad.lease-base-fee">Lease base fee</td>
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<td>
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<app-sats [valueOverride]="liquidityAd.lease_fee_base_sat === null ? '- ' : undefined" [satoshis]="liquidityAd.lease_fee_base_sat"></app-sats>
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</td>
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</tr>
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<tr>
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<td class="label" i18n="liquidity-ad.funding-weight">Funding weight</td>
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<td [innerHTML]="'‎' + (liquidityAd.funding_weight | wuBytes: 2)"></td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="col-md">
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<table class="table table-borderless table-striped">
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<tbody>
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<tr>
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<td class="label" i18n="liquidity-ad.channel-fee-rate|Liquidity ad channel fee rate">Channel fee rate</td>
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<td>
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<span class="d-inline-block">
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{{ liquidityAd.channel_fee_max_rate !== null ? ((liquidityAd.channel_fee_max_rate * 1000) | amountShortener : 2 : undefined : true) : '-' }} <span class="symbol">ppm {{ liquidityAd.channel_fee_max_rate !== null ? '(' + (liquidityAd.channel_fee_max_rate / 10 | amountShortener : 2 : undefined : true) + '%)' : '' }}</span>
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</span>
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</td>
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</tr>
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<tr>
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<td class="label" i18n="liquidity-ad.channel-base-fee">Channel base fee</td>
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<td>
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<span *ngIf="liquidityAd.channel_fee_max_base !== null">
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{{ liquidityAd.channel_fee_max_base | amountShortener : 0 }}
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<span class="symbol" i18n="shared.m-sats">mSats</span>
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</span>
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<span *ngIf="liquidityAd.channel_fee_max_base === null">
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-
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</span>
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</td>
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</tr>
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<tr>
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<td class="label" i18n="liquidity-ad.compact-lease">Compact lease</td>
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<td class="compact-lease">{{ liquidityAd.compact_lease }}</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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</div>
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</ng-template>
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<ng-template [ngIf]="tlvRecords?.length">
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<div class="detail-section">
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<h5 class="mb-3" i18n="node.tlv.records">TLV extension records</h5>
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<div class="row">
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<div class="col">
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<table class="table table-borderless table-striped">
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<tbody>
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<tr *ngFor="let recordItem of tlvRecords">
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<td class="tlv-type">{{ recordItem.type }}</td>
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<td class="tlv-payload">{{ recordItem.payload }}</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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</ng-template>
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</div>
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</div>
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@ -73,17 +73,31 @@ app-fiat {
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};
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}
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.details tbody {
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font-size: 12px;
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.details {
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.detail-section {
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margin-bottom: 1.5rem;
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&:last-child {
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margin-bottom: 0;
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}
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}
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.tlv-type {
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font-size: 12px;
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color: #ffffff66;
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}
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.tlv-payload {
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font-size: 12px;
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width: 100%;
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word-break: break-all;
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white-space: normal;
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font-family: "Courier New", Courier, monospace;
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}
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.compact-lease {
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word-break: break-all;
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white-space: normal;
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font-family: "Courier New", Courier, monospace;
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}
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}
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@ -5,6 +5,12 @@ import { catchError, map, switchMap, tap } from 'rxjs/operators';
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import { SeoService } from '../../services/seo.service';
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import { LightningApiService } from '../lightning-api.service';
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import { GeolocationData } from '../../shared/components/geolocation/geolocation.component';
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import { ILiquidityAd, parseLiquidityAdHex } from './liquidity-ad';
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interface CustomRecord {
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type: string;
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payload: string;
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}
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@Component({
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selector: 'app-node',
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@ -26,6 +32,8 @@ export class NodeComponent implements OnInit {
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torSocketCount = 0;
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hasDetails = false;
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showDetails = false;
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liquidityAd: ILiquidityAd;
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tlvRecords: CustomRecord[];
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constructor(
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private lightningApiService: LightningApiService,
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@ -38,6 +46,8 @@ export class NodeComponent implements OnInit {
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.pipe(
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switchMap((params: ParamMap) => {
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this.publicKey = params.get('public_key');
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this.tlvRecords = [];
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this.liquidityAd = null;
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return this.lightningApiService.getNode$(params.get('public_key'));
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}),
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map((node) => {
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@ -83,6 +93,23 @@ export class NodeComponent implements OnInit {
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}),
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tap((node) => {
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this.hasDetails = Object.keys(node.custom_records).length > 0;
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for (const [type, payload] of Object.entries(node.custom_records)) {
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if (typeof payload !== 'string') {
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break;
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}
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let parsed = false;
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if (type === '1') {
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const ad = parseLiquidityAdHex(payload);
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if (ad) {
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parsed = true;
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this.liquidityAd = ad;
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}
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}
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if (!parsed) {
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this.tlvRecords.push({ type, payload });
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}
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}
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}),
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catchError(err => {
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this.error = err;
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