address key wif

lib/pages/receive_view/addresses/address_details_view.dart

@@ -22,6 +22,7 @@ import '../../../utilities/address_utils.dart';
 import '../../../utilities/text_styles.dart';
 import '../../../utilities/util.dart';
 import '../../../wallets/isar/providers/wallet_info_provider.dart';
+import '../../../widgets/address_private_key.dart';
 import '../../../widgets/background.dart';
 import '../../../widgets/conditional_parent.dart';
 import '../../../widgets/custom_buttons/app_bar_icon_button.dart';
@@ -30,6 +31,7 @@ import '../../../widgets/custom_buttons/simple_copy_button.dart';
 import '../../../widgets/custom_buttons/simple_edit_button.dart';
 import '../../../widgets/desktop/desktop_dialog.dart';
 import '../../../widgets/desktop/desktop_dialog_close_button.dart';
+import '../../../widgets/detail_item.dart';
 import '../../../widgets/qr.dart';
 import '../../../widgets/rounded_white_container.dart';
 import '../../../widgets/transaction_card.dart';
@@ -298,9 +300,9 @@ class _AddressDetailsViewState extends ConsumerState<AddressDetailsView> {
                   const SizedBox(
                     height: 16,
                   ),
-                _Item(
+                DetailItem(
                   title: "Address",
-                  data: address.value,
+                  detail: address.value,
                   button: isDesktop
                       ? IconCopyButton(
                           data: address.value,
@@ -312,9 +314,9 @@ class _AddressDetailsViewState extends ConsumerState<AddressDetailsView> {
                 const _Div(
                   height: 12,
                 ),
-                _Item(
+                DetailItem(
                   title: "Label",
-                  data: label!.value,
+                  detail: label!.value,
                   button: SimpleEditButton(
                     editValue: label!.value,
                     editLabel: 'label',
@@ -338,9 +340,9 @@ class _AddressDetailsViewState extends ConsumerState<AddressDetailsView> {
                     height: 12,
                   ),
                 if (address.derivationPath != null)
-                  _Item(
+                  DetailItem(
                     title: "Derivation path",
-                    data: address.derivationPath!.value,
+                    detail: address.derivationPath!.value,
                     button: Container(),
                   ),
                 if (address.type == AddressType.spark)
@@ -348,27 +350,34 @@ class _AddressDetailsViewState extends ConsumerState<AddressDetailsView> {
                     height: 12,
                   ),
                 if (address.type == AddressType.spark)
-                  _Item(
+                  DetailItem(
                     title: "Diversifier",
-                    data: address.derivationIndex.toString(),
+                    detail: address.derivationIndex.toString(),
                     button: Container(),
                   ),
                 const _Div(
                   height: 12,
                 ),
-                _Item(
+                DetailItem(
                   title: "Type",
-                  data: address.type.readableName,
+                  detail: address.type.readableName,
                   button: Container(),
                 ),
                 const _Div(
                   height: 12,
                 ),
-                _Item(
+                DetailItem(
                   title: "Sub type",
-                  data: address.subType.prettyName,
+                  detail: address.subType.prettyName,
                   button: Container(),
                 ),
+                const _Div(
+                  height: 12,
+                ),
+                AddressPrivateKey(
+                  walletId: widget.walletId,
+                  address: address,
+                ),
                 if (!isDesktop)
                   const SizedBox(
                     height: 20,
@@ -631,64 +640,3 @@ class _Tags extends StatelessWidget {
     );
   }
 }
-
-class _Item extends StatelessWidget {
-  const _Item({
-    super.key,
-    required this.title,
-    required this.data,
-    required this.button,
-  });
-
-  final String title;
-  final String data;
-  final Widget button;
-
-  @override
-  Widget build(BuildContext context) {
-    return ConditionalParent(
-      condition: !Util.isDesktop,
-      builder: (child) => RoundedWhiteContainer(
-        child: child,
-      ),
-      child: ConditionalParent(
-        condition: Util.isDesktop,
-        builder: (child) => Padding(
-          padding: const EdgeInsets.all(16),
-          child: child,
-        ),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
-              mainAxisAlignment: MainAxisAlignment.spaceBetween,
-              children: [
-                Text(
-                  title,
-                  style: STextStyles.itemSubtitle(context),
-                ),
-                button,
-              ],
-            ),
-            const SizedBox(
-              height: 5,
-            ),
-            data.isNotEmpty
-                ? SelectableText(
-                    data,
-                    style: STextStyles.w500_14(context),
-                  )
-                : Text(
-                    "$title will appear here",
-                    style: STextStyles.w500_14(context).copyWith(
-                      color: Theme.of(context)
-                          .extension<StackColors>()!
-                          .textSubtitle3,
-                    ),
-                  ),
-          ],
-        ),
-      ),
-    );
-  }
-}

lib/wallets/wallet/intermediate/bip39_hd_wallet.dart

@@ -1,3 +1,5 @@
+import 'dart:typed_data';
+
 import 'package:bip39/bip39.dart' as bip39;
 import 'package:coinlib_flutter/coinlib_flutter.dart' as coinlib;
 import 'package:isar/isar.dart';
@@ -6,6 +8,7 @@ import '../../../models/balance.dart';
 import '../../../models/isar/models/blockchain_data/address.dart';
 import '../../../utilities/amount/amount.dart';
 import '../../../utilities/enums/derive_path_type_enum.dart';
+import '../../../utilities/extensions/extensions.dart';
 import '../../crypto_currency/intermediate/bip39_hd_currency.dart';
 import '../wallet_mixin_interfaces/multi_address_interface.dart';
 import 'bip39_wallet.dart';
@@ -28,6 +31,22 @@ abstract class Bip39HDWallet<T extends Bip39HDCurrency> extends Bip39Wallet<T>
     return coinlib.HDPrivateKey.fromSeed(seed);
   }
 
+  Future<String> getPrivateKeyWIF(Address address) async {
+    final keys =
+        (await getRootHDNode()).derivePath(address.derivationPath!.value);
+
+    final List<int> data = [
+      cryptoCurrency.networkParams.wifPrefix,
+      ...keys.privateKey.data,
+      if (keys.privateKey.compressed) 1,
+    ];
+    final checksum =
+        coinlib.sha256DoubleHash(Uint8List.fromList(data)).sublist(0, 4);
+    data.addAll(checksum);
+
+    return Uint8List.fromList(data).toBase58Encoded;
+  }
+
   Future<Address> generateNextReceivingAddress({
     required DerivePathType derivePathType,
   }) async {

lib/widgets/address_private_key.dart

@@ -0,0 +1,83 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../models/isar/models/isar_models.dart';
+import '../providers/global/wallets_provider.dart';
+import '../utilities/show_loading.dart';
+import '../utilities/text_styles.dart';
+import '../utilities/util.dart';
+import '../wallets/wallet/intermediate/bip39_hd_wallet.dart';
+import 'custom_buttons/blue_text_button.dart';
+import 'detail_item.dart';
+
+class AddressPrivateKey extends ConsumerStatefulWidget {
+  /// The [walletId] MUST be the id of a [Bip39HDWallet]!
+  const AddressPrivateKey({
+    super.key,
+    required this.walletId,
+    required this.address,
+  });
+
+  final String walletId;
+  final Address address;
+
+  @override
+  ConsumerState<AddressPrivateKey> createState() => _AddressPrivateKeyState();
+}
+
+class _AddressPrivateKeyState extends ConsumerState<AddressPrivateKey> {
+  String? _private;
+
+  bool _lock = false;
+
+  Future<void> _loadPrivKey() async {
+    // sanity check that should never actually fail in practice.
+    // Big problems if it actually does though so we check and crash if it fails.
+    assert(widget.walletId == widget.address.walletId);
+
+    if (_lock) {
+      return;
+    }
+    _lock = true;
+
+    try {
+      final wallet =
+          ref.read(pWallets).getWallet(widget.walletId) as Bip39HDWallet;
+
+      _private = await showLoading(
+        whileFuture: wallet.getPrivateKeyWIF(widget.address),
+        context: context,
+        message: "Loading...",
+        delay: const Duration(milliseconds: 800),
+        rootNavigator: Util.isDesktop,
+      );
+
+      if (context.mounted) {
+        setState(() {});
+      } else {
+        _private == null;
+      }
+    } finally {
+      _lock = false;
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return DetailItemBase(
+      button: CustomTextButton(
+        text: "Show",
+        onTap: _loadPrivKey,
+        enabled: _private == null,
+      ),
+      title: Text(
+        "Private key",
+        style: STextStyles.itemSubtitle(context),
+      ),
+      detail: SelectableText(
+        _private ?? "*" * 52, // 52 is approx length
+        style: STextStyles.w500_14(context),
+      ),
+    );
+  }
+}

lib/widgets/detail_item.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import '../themes/stack_colors.dart';
 import '../utilities/text_styles.dart';
 import '../utilities/util.dart';
@@ -27,15 +28,61 @@ class DetailItem extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final TextStyle detailStyle;
+    TextStyle detailStyle = STextStyles.w500_14(context);
+    String _detail = detail;
     if (overrideDetailTextColor != null) {
       detailStyle = STextStyles.w500_14(context).copyWith(
         color: overrideDetailTextColor,
       );
-    } else {
-      detailStyle = STextStyles.w500_14(context);
     }
 
+    if (detail.isEmpty && showEmptyDetail) {
+      _detail = "$title will appear here";
+      detailStyle = detailStyle.copyWith(
+        color: Theme.of(context).extension<StackColors>()!.textSubtitle3,
+      );
+    }
+
+    return DetailItemBase(
+      horizontal: horizontal,
+      title: disableSelectableText
+          ? Text(
+              title,
+              style: STextStyles.itemSubtitle(context),
+            )
+          : SelectableText(
+              title,
+              style: STextStyles.itemSubtitle(context),
+            ),
+      detail: disableSelectableText
+          ? Text(
+              _detail,
+              style: detailStyle,
+            )
+          : SelectableText(
+              _detail,
+              style: detailStyle,
+            ),
+    );
+  }
+}
+
+class DetailItemBase extends StatelessWidget {
+  const DetailItemBase({
+    super.key,
+    required this.title,
+    required this.detail,
+    this.button,
+    this.horizontal = false,
+  });
+
+  final Widget title;
+  final Widget detail;
+  final Widget? button;
+  final bool horizontal;
+
+  @override
+  Widget build(BuildContext context) {
     return ConditionalParent(
       condition: !Util.isDesktop,
       builder: (child) => RoundedWhiteContainer(
@@ -51,24 +98,8 @@ class DetailItem extends StatelessWidget {
             ? Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
-                  disableSelectableText
+                  title,
-                      ? Text(
+                  detail,
-                          title,
-                          style: STextStyles.itemSubtitle(context),
-                        )
-                      : SelectableText(
-                          title,
-                          style: STextStyles.itemSubtitle(context),
-                        ),
-                  disableSelectableText
-                      ? Text(
-                          detail,
-                          style: detailStyle,
-                        )
-                      : SelectableText(
-                          detail,
-                          style: detailStyle,
-                        ),
                 ],
               )
             : Column(
@@ -77,48 +108,14 @@ class DetailItem extends StatelessWidget {
                   Row(
                     mainAxisAlignment: MainAxisAlignment.spaceBetween,
                     children: [
-                      disableSelectableText
+                      title,
-                          ? Text(
-                              title,
-                              style: STextStyles.itemSubtitle(context),
-                            )
-                          : SelectableText(
-                              title,
-                              style: STextStyles.itemSubtitle(context),
-                            ),
                       button ?? Container(),
                     ],
                   ),
                   const SizedBox(
                     height: 5,
                   ),
-                  detail.isEmpty && showEmptyDetail
+                  detail,
-                      ? disableSelectableText
-                          ? Text(
-                              "$title will appear here",
-                              style: STextStyles.w500_14(context).copyWith(
-                                color: Theme.of(context)
-                                    .extension<StackColors>()!
-                                    .textSubtitle3,
-                              ),
-                            )
-                          : SelectableText(
-                              "$title will appear here",
-                              style: STextStyles.w500_14(context).copyWith(
-                                color: Theme.of(context)
-                                    .extension<StackColors>()!
-                                    .textSubtitle3,
-                              ),
-                            )
-                      : disableSelectableText
-                          ? Text(
-                              detail,
-                              style: detailStyle,
-                            )
-                          : SelectableText(
-                              detail,
-                              style: detailStyle,
-                            ),
                 ],
               ),
       ),