Big refactor of multiple backends handling.

backend/src/api/bitcoin/bitcoin-api-factory.ts

@@ -1,18 +1,18 @@
 import config from '../../config';
 import { AbstractBitcoinApi } from './bitcoin-api-abstract-factory';
-import BitcoindElectrsApi from './bitcoind-electrs-api';
-import BitcoindApi from './bitcoind-api';
-import ElectrsApi from './electrs-api';
+import EsploraApi from './esplora-api';
+import BitcoinApi from './bitcoin-api';
+import ElectrumApi from './electrum-api';
 
 function bitcoinApiFactory(): AbstractBitcoinApi {
   switch (config.MEMPOOL.BACKEND) {
-    case 'electrs':
-      return new ElectrsApi();
-    case 'bitcoind-electrs':
-      return new BitcoindElectrsApi();
-    case 'bitcoind':
+    case 'esplora':
+      return new EsploraApi();
+    case 'electrum':
+      return new ElectrumApi();
+    case 'none':
     default:
-      return new BitcoindApi();
+      return new BitcoinApi();
   }
 }