Dart bindings

.gitignore

@@ -47,3 +47,6 @@ xcuserdata
 # Python related
 __pycache__
 .localenvironment/
+
+# Dart related
+bdk-dart/.dart_tool/

bdk-dart/example/generate_wallet.dart

@@ -0,0 +1,44 @@
+import 'package:bdk_dart/bdk.dart';
+
+void main() {
+  // Generate a new mnemonic with 12 words
+  final mnemonic12 = Mnemonic(WordCount.words12);
+  print('12-word mnemonic: ${mnemonic12}');
+
+  // Generate a new mnemonic with 24 words
+  final mnemonic24 = Mnemonic(WordCount.words24);
+  print('24-word mnemonic: ${mnemonic24}');
+
+  // Create a BIP84 descriptor from the 12-word mnemonic
+  final descriptorSecretKey = DescriptorSecretKey(
+    Network.testnet,
+    mnemonic12,
+    null,
+  );
+
+  final descriptor = Descriptor.newBip84(
+    descriptorSecretKey,
+    KeychainKind.external_,
+    Network.testnet,
+  );
+
+  final changeDescriptor = Descriptor.newBip84(
+    descriptorSecretKey,
+    KeychainKind.internal,
+    Network.testnet,
+  );
+
+  // Create a wallet with the descriptor and in-memory persister
+  final wallet = Wallet(
+    descriptor,
+    changeDescriptor,
+    Network.testnet,
+    Persister.newInMemory(),
+    0,
+  );
+
+  // Generate a receive address
+  final addressInfo = wallet.nextUnusedAddress(KeychainKind.external_);
+  print('\nReceive address: ${addressInfo.address}');
+  print('Address index: ${addressInfo.index}');
+}