mempool/backend/src/api/bitcoin/electrs-api.ts

import config from '../../config';
import { Transaction, Block, MempoolInfo } from '../../interfaces';
import axios from 'axios';

class ElectrsApi {

  constructor() {
  }

  getMempoolInfo(): Promise<MempoolInfo> {
    return axios.get<any>(config.ELECTRS.REST_API_URL + '/mempool', { timeout: 10000 })
      .then((response) => {
        return {
          size: response.data.count,
          bytes: response.data.vsize,
        };
      });
  }

  getRawMempool(): Promise<Transaction['txid'][]> {
    return axios.get<Transaction['txid'][]>(config.ELECTRS.REST_API_URL + '/mempool/txids')
      .then((response) => response.data);
  }

  getRawTransaction(txId: string): Promise<Transaction> {
    return axios.get<Transaction>(config.ELECTRS.REST_API_URL + '/tx/' + txId)
      .then((response) => response.data);
  }

  getBlockHeightTip(): Promise<number> {
    return axios.get<number>(config.ELECTRS.REST_API_URL + '/blocks/tip/height')
      .then((response) => response.data);
  }

  getTxIdsForBlock(hash: string): Promise<string[]> {
    return axios.get<string[]>(config.ELECTRS.REST_API_URL + '/block/' + hash + '/txids')
      .then((response) => response.data);
  }

  getBlockHash(height: number): Promise<string> {
    return axios.get<string>(config.ELECTRS.REST_API_URL + '/block-height/' + height)
      .then((response) => response.data);
  }

  getBlocksFromHeight(height: number): Promise<string> {
    return axios.get<string>(config.ELECTRS.REST_API_URL + '/blocks/' + height)
      .then((response) => response.data);
  }

  getBlock(hash: string): Promise<Block> {
    return axios.get<Block>(config.ELECTRS.REST_API_URL + '/block/' + hash)
      .then((response) => response.data);
  }
}

export default new ElectrsApi();