1  /*!
 2   * lib/remote-importer/sources.js
 3   * Copyright © 2019 – Katana Cryptographic Ltd. All Rights Reserved.
 4   */
 5  
 6  
 7  import network from '../bitcoin/network.js'
 8  import Logger from '../logger.js'
 9  import keysFile from '../../keys/index.js'
10  import Sources from './sources.js'
11  import BitcoindWrapper from './bitcoind-wrapper.js'
12  import LocalIndexerWrapper from './local-indexer-wrapper.js'
13  import LocalRestIndexerWrapper from './local-rest-indexer-wrapper.js'
14  import OxtWrapper from './oxt-wrapper.js'
15  
16  const keys = keysFile[network.key]
17  
18  /**
19   * Remote data sources for mainnet
20   */
21  class SourcesMainnet extends Sources {
22  
23      constructor() {
24          super()
25          this._initSource()
26      }
27  
28      /**
29       * Initialize the external data source
30       */
31      _initSource() {
32          switch (keys.indexer.active) {
33          case 'local_bitcoind': {
34              // If local bitcoind option is activated
35              // we'll use the local node as our unique source
36              this.source = new BitcoindWrapper()
37              Logger.info('Importer : Activated Bitcoind as the data source for imports')
38  
39              break
40          }
41          case 'local_indexer': {
42              // If local indexer option is activated
43              // we'll use the local indexer as our unique source
44              this.source = new LocalIndexerWrapper()
45              Logger.info('Importer : Activated local indexer as the data source for imports')
46  
47              break
48          }
49          case 'local_rest_indexer': {
50              // If local rest indexer option is activated
51              // we'll use the local indexer as our unique source
52              const uri = `http://${keys.indexer.localIndexer.host}:${keys.indexer.localIndexer.port}`
53              this.source = new LocalRestIndexerWrapper(uri)
54              Logger.info('Importer : Activated local indexer (REST API) as the data source for imports')
55  
56              break
57          }
58          default: {
59              // Otherwise, we'll use the rest api provided by OXT
60              this.source = new OxtWrapper(keys.indexer.oxt)
61              Logger.info('Importer : Activated OXT API as the data source for imports')
62          }
63          }
64      }
65  
66  }
67  
68  export default SourcesMainnet