fix(bitcoindservice.ts and bitcoindservice.spec.ts): setting up defau…

src/lib/bitcoin/bitcoind/bitcoindService.spec.ts

@@ -32,6 +32,18 @@ describe('BitcoindService', () => {
     mockProto.generateToAddress = jest.fn().mockResolvedValue(['blockhash1']);
   });
 
+  // Adding Test case for selecting default wallet and not create a new one
+  it('should initialize the client with an explicit empty wallet path', () => {
+    bitcoindService.createClient(node);
+    // getInst() retrieves the first instance of BitcoinCore created
+    // We check if it was initialized with the 'wallet' property set to ''
+    expect(mockBitcoin).toHaveBeenCalledWith(
+      expect.objectContaining({
+        wallet: '',
+      }),
+    );
+  });
+
   it('should create a default wallet', async () => {
     mockProto.listWallets = jest.fn().mockResolvedValue([]);
     await bitcoindService.createDefaultWallet(node);

src/lib/bitcoin/bitcoind/bitcoindService.ts

@@ -17,6 +17,8 @@ class BitcoindService implements BitcoinService {
       host: `http://127.0.0.1:${node.ports.rpc}`,
       username: bitcoinCredentials.user,
       password: bitcoinCredentials.pass,
+      // default wallet to resolve multi-wallet conflict
+      wallet: '',
       logger: this.log(),
       // use a long timeout due to the time it takes to mine a lot of blocks
       timeout: 5 * 60 * 1000,