transaction direction refactoring

cw_bitcoin/lib/electrum_transaction_info.dart

@@ -186,7 +186,7 @@ class ElectrumTransactionInfo extends TransactionInfo {
         height: data['height'] as int,
         amount: data['amount'] as int,
         fee: data['fee'] as int,
-        direction: parseTransactionDirectionFromInt(data['direction'] as int),
+        direction: TransactionDirection.parseFromInt(data['direction'] as int),
         date: DateTime.fromMillisecondsSinceEpoch(data['date'] as int),
         isPending: data['isPending'] as bool,
         confirmations: data['confirmations'] as int);
@@ -228,7 +228,7 @@ class ElectrumTransactionInfo extends TransactionInfo {
     m['id'] = id;
     m['height'] = height;
     m['amount'] = amount;
-    m['direction'] = direction.index;
+    m['direction'] = direction.raw;
     m['date'] = date.millisecondsSinceEpoch;
     m['isPending'] = isPending;
     m['confirmations'] = confirmations;

cw_core/lib/transaction_direction.dart

@@ -1,23 +1,36 @@
-enum TransactionDirection { incoming, outgoing }
+class TransactionDirection {
+  const TransactionDirection({required this.raw, required this.title, this.iconPath});
 
-TransactionDirection parseTransactionDirectionFromInt(int raw) {
+  final int raw;
-  switch (raw) {
+  final String title;
-    case 0:
+  final String? iconPath;
-      return TransactionDirection.incoming;
+
-    case 1:
+  static const incoming =
-      return TransactionDirection.outgoing;
+      TransactionDirection(raw: 0, title: 'incoming', iconPath: 'assets/images/down_arrow.png');
-    default:
+  static const outgoing =
-      throw Exception('Unexpected token: raw for TransactionDirection parseTransactionDirectionFromInt');
+      TransactionDirection(raw: 1, title: 'outgoing', iconPath: 'assets/images/up_arrow.png');
+
+  static TransactionDirection parseFromInt(int raw) {
+    switch (raw) {
+      case 0:
+        return TransactionDirection.incoming;
+      case 1:
+        return TransactionDirection.outgoing;
+      default:
+        throw Exception(
+            'Unexpected token: raw for TransactionDirection parseTransactionDirectionFromInt');
+    }
+  }
+
+  static TransactionDirection parseFromString(String raw) {
+    switch (raw) {
+      case "0":
+        return TransactionDirection.incoming;
+      case "1":
+        return TransactionDirection.outgoing;
+      default:
+        throw Exception(
+            'Unexpected token: raw for TransactionDirection parseTransactionDirectionFromNumber');
+    }
   }
 }
-
-TransactionDirection parseTransactionDirectionFromNumber(String raw) {
-  switch (raw) {
-    case "0":
-      return TransactionDirection.incoming;
-    case "1":
-      return TransactionDirection.outgoing;
-    default:
-      throw Exception('Unexpected token: raw for TransactionDirection parseTransactionDirectionFromNumber');
-  }
-}

cw_haven/lib/haven_transaction_info.dart

@@ -10,26 +10,10 @@ class HavenTransactionInfo extends TransactionInfo {
   HavenTransactionInfo(this.id, this.height, this.direction, this.date,
       this.isPending, this.amount, this.accountIndex, this.addressIndex, this.fee);
 
-  HavenTransactionInfo.fromMap(Map<String, Object> map)
-      : id = (map['hash'] ?? '') as String,
-        height = (map['height'] ?? 0) as int,
-        direction =
-            parseTransactionDirectionFromNumber(map['direction'] as String) ??
-                TransactionDirection.incoming,
-        date = DateTime.fromMillisecondsSinceEpoch(
-            int.parse(map['timestamp'] as String? ?? '0') * 1000),
-        isPending = parseBoolFromString(map['isPending'] as String),
-        amount = map['amount'] as int,
-        accountIndex = int.parse(map['accountIndex'] as String),
-        addressIndex = map['addressIndex'] as int,
-        key = getTxKey((map['hash'] ?? '') as String),
-        fee = map['fee'] as int? ?? 0;
-
     HavenTransactionInfo.fromRow(TransactionInfoRow row)
       : id = row.getHash(),
         height = row.blockHeight,
-        direction = parseTransactionDirectionFromInt(row.direction) ??
+        direction = TransactionDirection.parseFromInt(row.direction),
-            TransactionDirection.incoming,
         date = DateTime.fromMillisecondsSinceEpoch(row.getDatetime() * 1000),
         isPending = row.isPending != 0,
         amount = row.getAmount(),

cw_monero/lib/monero_transaction_info.dart

@@ -10,33 +10,10 @@ class MoneroTransactionInfo extends TransactionInfo {
   MoneroTransactionInfo(this.id, this.height, this.direction, this.date,
       this.isPending, this.amount, this.accountIndex, this.addressIndex, this.fee, this.unlockTime);
 
-  MoneroTransactionInfo.fromMap(Map<String, Object?> map)
-      : id = (map['hash'] ?? '') as String,
-        height = (map['height'] ?? 0) as int,
-        direction =
-            parseTransactionDirectionFromNumber(map['direction'] as String) ??
-                TransactionDirection.incoming,
-        date = DateTime.fromMillisecondsSinceEpoch(
-            (int.parse(map['timestamp'] as String) ?? 0) * 1000),
-        isPending = parseBoolFromString(map['isPending'] as String),
-        amount = map['amount'] as int,
-        accountIndex = int.parse(map['accountIndex'] as String),
-        addressIndex = map['addressIndex'] as int,
-        unlockTime = map['unlockTime'] as int,
-        key = getTxKey((map['hash'] ?? '') as String),
-        fee = map['fee'] as int ?? 0 {
-          additionalInfo = <String, dynamic>{
-            'key': key,
-            'accountIndex': accountIndex,
-            'addressIndex': addressIndex
-          };
-        }
-
   MoneroTransactionInfo.fromRow(TransactionInfoRow row)
       : id = row.getHash(),
         height = row.blockHeight,
-        direction = parseTransactionDirectionFromInt(row.direction) ??
+        direction = TransactionDirection.parseFromInt(row.direction),
-            TransactionDirection.incoming,
         date = DateTime.fromMillisecondsSinceEpoch(row.getDatetime() * 1000),
         isPending = row.isPending != 0,
         amount = row.getAmount(),

lib/src/screens/dashboard/widgets/transaction_raw.dart

@@ -37,9 +37,7 @@ class TransactionRow extends StatelessWidget {
                     color: Theme.of(context).textTheme!.overline!.decorationColor!
                 ),
                 child: Image.asset(
-                    direction == TransactionDirection.incoming
+                    direction.iconPath ?? ''),
-                        ? 'assets/images/down_arrow.png'
-                        : 'assets/images/up_arrow.png'),
               ),
               SizedBox(width: 12),
               Expanded(