mempool/frontend/src/app/services/api.service.ts

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import { Injectable } from '@angular/core';
import { environment } from '../../environments/environment';
import { webSocket } from 'rxjs/webSocket';
import { HttpClient, HttpParams } from '@angular/common/http';
import { IMempoolDefaultResponse, IMempoolStats, IBlockTransaction } from '../blockchain/interfaces';
import { Observable } from 'rxjs';
const WEB_SOCKET_URL = 'ws://' + document.location.hostname + ':8999';
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const API_BASE_URL = '/api/v1';
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@Injectable({
providedIn: 'root'
})
export class ApiService {
constructor(
private httpClient: HttpClient,
) { }
websocketSubject = webSocket<IMempoolDefaultResponse>(WEB_SOCKET_URL);
listTransactionsForBlock$(height: number): Observable<IBlockTransaction[]> {
return this.httpClient.get<IBlockTransaction[]>(API_BASE_URL + '/transactions/height/' + height);
}
listTransactionsForProjectedBlock$(index: number): Observable<IBlockTransaction[]> {
return this.httpClient.get<IBlockTransaction[]>(API_BASE_URL + '/transactions/projected/' + index);
}
listLiveStatistics$(lastId: number): Observable<IMempoolStats[]> {
const params = new HttpParams()
.set('lastId', lastId.toString());
return this.httpClient.get<IMempoolStats[]>(API_BASE_URL + '/statistics/live', {
params: params
});
}
list2HStatistics$(): Observable<IMempoolStats[]> {
return this.httpClient.get<IMempoolStats[]>(API_BASE_URL + '/statistics/2h');
}
list24HStatistics$(): Observable<IMempoolStats[]> {
return this.httpClient.get<IMempoolStats[]>(API_BASE_URL + '/statistics/24h');
}
list1WStatistics$(): Observable<IMempoolStats[]> {
return this.httpClient.get<IMempoolStats[]>(API_BASE_URL + '/statistics/1w');
}
list1MStatistics$(): Observable<IMempoolStats[]> {
return this.httpClient.get<IMempoolStats[]>(API_BASE_URL + '/statistics/1m');
}
list3MStatistics$(): Observable<IMempoolStats[]> {
return this.httpClient.get<IMempoolStats[]>(API_BASE_URL + '/statistics/3m');
}
list6MStatistics$(): Observable<IMempoolStats[]> {
return this.httpClient.get<IMempoolStats[]>(API_BASE_URL + '/statistics/6m');
}
}