feat(dev): debug UR codes [skip ci]

Author: MrCyjaneK

cw_bitcoin/lib/bitcoin_wallet.dart

@@ -24,6 +24,7 @@ import 'package:cw_core/encryption_file_utils.dart';
 import 'package:cw_core/payjoin_session.dart';
 import 'package:cw_core/pending_transaction.dart';
 import 'package:cw_core/unspent_coins_info.dart';
+import 'package:cw_core/utils/print_verbose.dart';
 import 'package:cw_core/wallet_info.dart';
 import 'package:cw_core/wallet_keys_file.dart';
 import 'package:flutter/foundation.dart';
@@ -32,6 +33,9 @@ import 'package:ledger_bitcoin/ledger_bitcoin.dart';
 import 'package:ledger_bitcoin/psbt.dart';
 import 'package:ledger_flutter_plus/ledger_flutter_plus.dart';
 import 'package:mobx/mobx.dart';
+import 'package:ur/cbor_lite.dart';
+import 'package:ur/ur.dart';
+import 'package:ur/ur_decoder.dart';
 
 part 'bitcoin_wallet.g.dart';
 
@@ -367,7 +371,7 @@ abstract class BitcoinWalletBase extends ElectrumWallet with Store {
         masterFingerprint: Uint8List(0));
 
     if (tx.shouldCommitUR()) {
-     tx.unsignedPsbt = transaction.serialize();
+     tx.unsignedPsbt = transaction.asPsbtV0();
      return tx;
     }
 
@@ -430,6 +434,24 @@ abstract class BitcoinWalletBase extends ElectrumWallet with Store {
     return base64Encode(psbt.asPsbtV0());
   }
 
+  Future<void> commitPsbtUR(List<String> urCodes) async {
+    final ur = URDecoder();
+    for (final inp in urCodes) {
+      ur.receivePart(inp);
+    }
+    final result = (ur.result as UR);
+    final cbor = result.cbor;
+    final cborDecoder = CBORDecoder(cbor);
+    final out = cborDecoder.decodeBytes();
+    final bytes = out.$1;
+    final base64psbt = base64Encode(bytes);
+    final psbt = PsbtV2()..deserializeV0(base64Decode(base64psbt));
+
+    // psbt.finalize();
+    final finalized = base64Encode(psbt.serialize());
+    await commitPsbt(finalized);
+  }
+
   @override
   Future<String> signMessage(String message, {String? address = null}) async {
     if (walletInfo.isHardwareWallet) {

lib/bitcoin/cw_bitcoin.dart

@@ -723,6 +723,12 @@ class CWBitcoin extends Bitcoin {
     }
   }
 
+  @override
+  Future<void> commitPsbtUR(Object wallet, List<String> urCodes) {
+    final _wallet = wallet as BitcoinWalletBase;
+    return _wallet.commitPsbtUR(urCodes);
+  }
+
   @override
   String getPayjoinEndpoint(Object wallet) {
     final _wallet = wallet as ElectrumWallet;

lib/src/screens/ur/animated_ur_page.dart

@@ -1,15 +1,19 @@
 import 'dart:async';
 
+import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/entities/qr_scanner.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/screens/receive/widgets/qr_image.dart';
 import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
+import 'package:cake_wallet/utils/clipboard_util.dart';
+import 'package:cake_wallet/utils/feature_flag.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:cake_wallet/view_model/animated_ur_model.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 
 // ur:xmr-txunsigned - unsigned transaction
 //     should show a scanner afterwards.
@@ -46,8 +50,8 @@ class AnimatedURPage extends BasePage {
             frames: urQr.trim().split("\n"),
           ),
         ),
+        if (["ur:xmr-txunsigned", "ur:xmr-output", "ur:psbt"].contains(urQrType)) ...{
         SizedBox(height: 32),
-        if (urQrType == "ur:xmr-txunsigned" || urQrType == "ur:xmr-output")
           Padding(
             padding: const EdgeInsets.symmetric(horizontal: 16.0),
             child: SizedBox(
@@ -60,8 +64,10 @@ class AnimatedURPage extends BasePage {
               ),
             ),
           ),
-        SizedBox(height: 32),
-        if (urQrType == "ur:xmr-output" && !isAll) Padding(
+        },
+        if (urQrType == "ur:xmr-output" && !isAll) ...{
+          SizedBox(height: 32),
+          Padding(
             padding: const EdgeInsets.symmetric(horizontal: 16.0),
             child: SizedBox(
               width: double.maxFinite,
@@ -73,6 +79,7 @@ class AnimatedURPage extends BasePage {
               ),
             ),
           ),
+        },
       ],
     );
   }
@@ -106,6 +113,10 @@ class AnimatedURPage extends BasePage {
           Navigator.of(context).pop(true);
         }        
         break;
+      case "ur:psbt": // psbt
+        final ur = await presentQRScanner(context);
+        if (ur == null) return;
+        await bitcoin!.commitPsbtUR(animatedURmodel.wallet, ur.trim().split("\n"));
       default:
         throw UnimplementedError("unable to handle UR: ${urQrType}");
     }
@@ -168,10 +179,21 @@ class _URQRState extends State<URQR> {
       children: [
         Center(
           child: QrImage(
-            data: widget.frames[frame % widget.frames.length], version: -1,
+            data: widget.frames[frame % widget.frames.length],
+            version: -1,
             size: 400,
           ),
         ),
+        if (FeatureFlag.hasDevOptions) ...{
+          TextButton(
+            onPressed: () { 
+              Clipboard.setData(ClipboardData(text: """Current frame (${frame % widget.frames.length}): ${widget.frames[frame % widget.frames.length]},
+All frames:
+ - ${widget.frames.join("\n - ")}"""));
+             },
+            child: Text(widget.frames[frame % widget.frames.length]),
+          ),
+        }
       ],
     );
   }

tool/configure.dart

@@ -245,6 +245,7 @@ abstract class Bitcoin {
   bool getMwebEnabled(Object wallet);
   String? getUnusedMwebAddress(Object wallet);
   String? getUnusedSegwitAddress(Object wallet);
+  Future<void> commitPsbtUR(Object wallet, List<String> urCodes);
 
   void updatePayjoinState(Object wallet, bool state);
   String getPayjoinEndpoint(Object wallet);