removed unused wrapper for insight api

keys/index-example.js

@@ -272,9 +272,6 @@ module.exports = {
     indexer: {
       active: 'third_party_explorer',
       socks5Proxy: null,
-      insight: [
-        'https://testnet-api.example.com'
-      ],
       esplora: 'https://blockstream.info/testnet'
     },
     addrFilterThreshold: 1000,

lib/remote-importer/insight-wrapper.js

@@ -1,90 +0,0 @@
-/*!
- * lib/remote-importer/insight-wrapper.js
- * Copyright © 2019 – Katana Cryptographic Ltd. All Rights Reserved.
- */
-'use strict'
-
-const rp = require('request-promise-native')
-const Logger = require('../logger')
-const network = require('../bitcoin/network')
-const keys = require('../../keys')[network.key]
-const Wrapper = require('./wrapper')
-
-
-/**
- * Wrapper for the Insight block explorer APIs
- */
-class InsightWrapper extends Wrapper {
-
-  /**
-   * Constructor
-   */
-  constructor(url) {
-    super(url, keys.indexer.socks5Proxy)
-  }
-
-  /**
-   * Send a GET request to the API
-   * @param {string} route
-   * @returns {Promise}
-   */
-  async _get(route) {
-    const params = {
-      url: `${this.base}${route}`,
-      method: 'GET',
-      json: true,
-      timeout: 15000
-    }
-
-    // Sets socks proxy agent if required
-    if (keys.indexer.socks5Proxy != null)
-      params['agent'] = this.socksProxyAgent
-
-    return rp(params)
-  }
-
-  /**
-   * Retrieve information for a given address
-   * @param {string} address - bitcoin address
-   * @param {boolean} filterAddr - True if an upper bound should be used
-   *     for #transactions associated to the address, False otherwise
-   * @returns {Promise} returns an object
-   *  { address: <bitcoin_address>, txids: <txids>, ntx: <total_nb_txs>}
-   */
-  async getAddress(address, filterAddr) {
-    const uri = `/addr/${address}`
-    // Param filterAddr isn't used for insight
-    const result = await this._get(uri)
-
-    const ret = {
-      address: result.addrStr,
-      txids: [],
-      ntx: result.txApperances
-    }
-
-    // Check if we should filter this address
-    if (filterAddr && ret.ntx > keys.addrFilterThreshold) {
-      Logger.info(` import of ${ret.address} rejected (too many transactions - ${ret.ntx})`)
-      return ret
-    }
-
-    ret.txids = result.transactions
-    return ret
-  }
-
-  /**
-   * Retrieve information for a given list of addresses
-   * @param {string} addresses - array of bitcoin addresses
-   * @param {boolean} filterAddr - True if an upper bound should be used
-   *     for #transactions associated to the address, False otherwise
-   * @returns {Promise} returns an array of objects
-   *  { address: <bitcoin_address>, txids: <txids>, ntx: <total_nb_txs>}
-   */
-  async getAddresses(addresses, filterAddr) {
-    // Not implemented for this api
-    throw "Not implemented"
-  }
-
-}
-
-module.exports = InsightWrapper