fix: testnet electrum methods

cw_bitcoin/lib/electrum.dart

@@ -256,19 +256,23 @@ class ElectrumClient {
         return '';
       });
 
-  Future<String> broadcastTransaction({required String transactionRaw}) async {
+  Future<String> broadcastTransaction(
-    return http
+      {required String transactionRaw, NetworkType? networkType}) async {
-        .post(Uri(scheme: 'https', host: 'blockstream.info', path: '/testnet/api/tx'),
+    if (networkType != null && networkType.bech32 == testnet.bech32) {
-            headers: <String, String>{'Content-Type': 'application/json; charset=utf-8'},
+      return http
-            body: transactionRaw)
+          .post(Uri(scheme: 'https', host: 'blockstream.info', path: '/testnet/api/tx'),
-        .then((http.Response response) {
+              headers: <String, String>{'Content-Type': 'application/json; charset=utf-8'},
-      print(response.body);
+              body: transactionRaw)
-      if (response.statusCode == 200) {
+          .then((http.Response response) {
-        return response.body;
+        print(response.body);
-      }
+        if (response.statusCode == 200) {
+          return response.body;
+        }
+
+        return '';
+      });
+    }
 
-      return '';
-    });
     return call(method: 'blockchain.transaction.broadcast', params: [transactionRaw])
         .then((dynamic result) {
       if (result is String) {

cw_bitcoin/lib/electrum_wallet.dart

@@ -512,7 +512,7 @@ abstract class ElectrumWalletBase
       }
 
       return PendingBitcoinTransaction(txb.build(), type,
-          electrumClient: electrumClient, amount: amount, fee: fee)
+          electrumClient: electrumClient, amount: amount, fee: fee, networkType: networkType)
         ..addListener((transaction) async {
           transactionHistory.addOne(transaction);
           await updateBalance();

cw_bitcoin/lib/pending_bitcoin_transaction.dart

@@ -9,7 +9,7 @@ import 'package:cw_core/wallet_type.dart';
 
 class PendingBitcoinTransaction with PendingTransaction {
   PendingBitcoinTransaction(this._tx, this.type,
-      {required this.electrumClient, required this.amount, required this.fee})
+      {required this.electrumClient, required this.amount, required this.fee, this.networkType})
       : _listeners = <void Function(ElectrumTransactionInfo transaction)>[];
 
   final WalletType type;
@@ -17,6 +17,7 @@ class PendingBitcoinTransaction with PendingTransaction {
   final ElectrumClient electrumClient;
   final int amount;
   final int fee;
+  final bitcoin.NetworkType? networkType;
 
   @override
   String get id => _tx.getId();
@@ -34,8 +35,8 @@ class PendingBitcoinTransaction with PendingTransaction {
 
   @override
   Future<void> commit() async {
-    final result =
+    final result = await electrumClient.broadcastTransaction(
-        await electrumClient.broadcastTransaction(transactionRaw: _tx.txHex ?? _tx.toHex());
+        transactionRaw: _tx.txHex ?? _tx.toHex(), networkType: networkType);
 
     if (result.isEmpty) {
       throw BitcoinCommitTransactionException();

cw_bitcoin/pubspec.lock

@@ -88,7 +88,7 @@ packages:
     description:
       path: "."
       ref: silent-payments
-      resolved-ref: "28168b4e678b04bbbe70aa7fb5d2797b0a8e1b71"
+      resolved-ref: d4f4f9726499750da66a6057ce12dc70f60215c6
       url: "https://github.com/cake-tech/bitcoin_flutter.git"
     source: git
     version: "2.0.2"