mempool/frontend/src/app/lightning/lightning-api.service.ts

import { Injectable } from '@angular/core';
import { HttpClient, HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';
import { StateService } from '../services/state.service';

@Injectable({
  providedIn: 'root'
})
export class LightningApiService {
  private apiBasePath = ''; // network path is /testnet, etc. or '' for mainnet

  constructor(
    private httpClient: HttpClient,
    private stateService: StateService,
  ) {
    this.apiBasePath = ''; // assume mainnet by default
    this.stateService.networkChanged$.subscribe((network) => {
      if (network === 'bisq' && !this.stateService.env.BISQ_SEPARATE_BACKEND) {
        network = '';
      }
      this.apiBasePath = network ? '/' + network : '';
    });
  }

  getNode$(publicKey: string): Observable<any> {
    return this.httpClient.get<any>(this.apiBasePath + '/api/v1/lightning/nodes/' + publicKey);
  }

  getChannel$(shortId: string): Observable<any> {
    return this.httpClient.get<any>(this.apiBasePath + '/api/v1/lightning/channels/' + shortId);
  }

  getChannelsByNodeId$(publicKey: string, index: number = 0, status = 'open'): Observable<any> {
    let params = new HttpParams()
      .set('public_key', publicKey)
      .set('index', index)
      .set('status', status)
    ;

    return this.httpClient.get<any>(this.apiBasePath + '/api/v1/lightning/channels', { params, observe: 'response' });
  }

  getLatestStatistics$(): Observable<any> {
    return this.httpClient.get<any>(this.apiBasePath + '/api/v1/lightning/statistics/latest');
  }

  listNodeStats$(publicKey: string): Observable<any> {
    return this.httpClient.get<any>(this.apiBasePath + '/api/v1/lightning/nodes/' + publicKey + '/statistics');
  }

  listTopNodes$(): Observable<any> {
    return this.httpClient.get<any>(this.apiBasePath + '/api/v1/lightning/nodes/top');
  }

  listChannelStats$(publicKey: string): Observable<any> {
    return this.httpClient.get<any>(this.apiBasePath + '/channels/' + publicKey + '/statistics');
  }

  listStatistics$(): Observable<any> {
    return this.httpClient.get<any>(this.apiBasePath + '/api/v1/lightning/statistics');
  }
}