mwc integration

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "crypto_plugins/frostdart"]
 	path = crypto_plugins/frostdart
 	url = https://github.com/cypherstack/frostdart
+[submodule "crypto_plugins/flutter_libmwc"]
+	path = crypto_plugins/flutter_libmwc
+	url = https://github.com/vekamo/flutter_libmwc

README.md

@@ -15,6 +15,7 @@ Highlights include:
     - [Bitcoin Cash](https://bch.info/en/)
     - [Dogecoin](https://dogecoin.com/)
     - [Epic Cash](https://linktr.ee/epiccash)
+    - [MimbleWimbleCoin](https://mwc.mw)
     - [Ethereum](https://ethereum.org/en/)
     - [Firo](https://firo.org/)
     - [Litecoin](https://litecoin.org/)

lib/db/db_version_migration.dart

@@ -528,6 +528,71 @@ class DbVersionMigrator with WalletDB {
         await MainDB.instance.addNewTransactionData(transactionsData, walletId);
       }
 
+      // we need to manually migrate mimblewimblecoin transactions as they are not
+      // stored on the mimblewimblecoin blockchain
+      final mimblewimblecoin = Mimblewimblecoin(CryptoCurrencyNetwork.main);
+      if (info.coinIdentifier == mimblewimblecoin.identifier) {
+        final txnData = walletBox.get("latest_tx_model") as TransactionData?;
+
+        // we ever only used index 0 in the past
+        const rcvIndex = 0;
+
+        final List<Tuple2<isar_models.Transaction, isar_models.Address?>>
+            transactionsData = [];
+        if (txnData != null) {
+          final txns = txnData.getAllTransactions();
+
+          for (final tx in txns.values) {
+            final bool isIncoming = tx.txType == "Received";
+
+            final iTx = isar_models.Transaction(
+              walletId: walletId,
+              txid: tx.txid,
+              timestamp: tx.timestamp,
+              type: isIncoming
+                  ? isar_models.TransactionType.incoming
+                  : isar_models.TransactionType.outgoing,
+              subType: isar_models.TransactionSubType.none,
+              amount: tx.amount,
+              amountString: Amount(
+                rawValue: BigInt.from(tx.amount),
+                fractionDigits: mimblewimblecoin.fractionDigits,
+              ).toJsonString(),
+              fee: tx.fees,
+              height: tx.height,
+              isCancelled: tx.isCancelled,
+              isLelantus: false,
+              slateId: tx.slateId,
+              otherData: tx.otherData,
+              nonce: null,
+              inputs: [],
+              outputs: [],
+              numberOfMessages: tx.numberOfMessages,
+            );
+
+            if (tx.address.isEmpty) {
+              transactionsData.add(Tuple2(iTx, null));
+            } else {
+              final address = isar_models.Address(
+                walletId: walletId,
+                value: tx.address,
+                publicKey: [],
+                derivationIndex: isIncoming ? rcvIndex : -1,
+                derivationPath: null,
+                type: isIncoming
+                    ? isar_models.AddressType.mimbleWimble
+                    : isar_models.AddressType.unknown,
+                subType: isIncoming
+                    ? isar_models.AddressSubType.receiving
+                    : isar_models.AddressSubType.unknown,
+              );
+              transactionsData.add(Tuple2(iTx, address));
+            }
+          }
+        }
+        await MainDB.instance.addNewTransactionData(transactionsData, walletId);
+      }
+
       // delete data from hive
       await walletBox.delete(receiveAddressesPrefix);
       await walletBox.delete("${receiveAddressesPrefix}P2PKH");
@@ -549,9 +614,13 @@ class DbVersionMigrator with WalletDB {
         );
       }
 
-      // doing this for epic cash will delete transaction history as it is not
-      // stored on the epic cash blockchain
-      if (info.coinIdentifier != epic.identifier) {
+      // doing this for epiccash/mimblewimblecoin will delete transaction history as it is not
+      // stored on the epiccash/mimblewimblecoin blockchain
+      final excludedIdentifiers = [
+        epic.identifier,
+        mimblewimblecoin.identifier
+      ];
+      if ((!excludedIdentifiers.contains(info.coinIdentifier))) {
         // set flag to initiate full rescan on opening wallet
         await DB.instance.put<dynamic>(
           boxName: DB.boxNameDBInfo,

lib/db/migrate_wallets_to_isar.dart

@@ -11,6 +11,7 @@ import '../wallets/isar/models/token_wallet_info.dart';
 import '../wallets/isar/models/wallet_info.dart';
 import '../wallets/isar/models/wallet_info_meta.dart';
 import '../wallets/wallet/supporting/epiccash_wallet_info_extension.dart';
+import '../wallets/wallet/supporting/mimblewimblecoin_wallet_info_extension.dart';
 import 'hive/db.dart';
 import 'isar/main_db.dart';
 
@@ -146,6 +147,21 @@ Future<void> migrateWalletsToIsar({
       otherData[WalletInfoKeys.epiccashData] = jsonEncode(
         epicWalletInfo.toMap(),
       );
+    } else if (old.coinIdentifier ==
+        Mimblewimblecoin(CryptoCurrencyNetwork.main)) {
+      final mimblewimblecoinWalletInfo =
+          ExtraMimblewimblecoinWalletInfo.fromMap({
+        "receivingIndex": walletBox.get("receivingIndex") as int? ?? 0,
+        "changeIndex": walletBox.get("changeIndex") as int? ?? 0,
+        "slatesToAddresses": walletBox.get("slate_to_address") as Map? ?? {},
+        "slatesToCommits": walletBox.get("slatesToCommits") as Map? ?? {},
+        "lastScannedBlock": walletBox.get("lastScannedBlock") as int? ?? 0,
+        "restoreHeight": walletBox.get("restoreHeight") as int? ?? 0,
+        "creationHeight": walletBox.get("creationHeight") as int? ?? 0,
+      });
+      otherData[WalletInfoKeys.mimblewimblecoinData] = jsonEncode(
+        mimblewimblecoinWalletInfo.toMap(),
+      );
     } else if (old.coinIdentifier ==
             Firo(CryptoCurrencyNetwork.main).identifier ||
         old.coinIdentifier == Firo(CryptoCurrencyNetwork.test).identifier) {

lib/models/isar/models/blockchain_data/v2/transaction_v2.dart

@@ -95,6 +95,8 @@ class TransactionV2 {
 
   bool get isEpiccashTransaction =>
       _getFromOtherData(key: TxV2OdKeys.isEpiccashTransaction) == true;
+  bool get isMimblewimblecoinTransaction =>
+      _getFromOtherData(key: TxV2OdKeys.isMimblewimblecoinTransaction) == true;
   int? get numberOfMessages =>
       _getFromOtherData(key: TxV2OdKeys.numberOfMessages) as int?;
   String? get slateId => _getFromOtherData(key: TxV2OdKeys.slateId) as String?;
@@ -274,6 +276,40 @@ class TransactionV2 {
       }
     }
 
+    if (isMimblewimblecoinTransaction) {
+      if (slateId == null) {
+        return "Restored Funds";
+      }
+
+      if (isCancelled) {
+        return "Cancelled";
+      } else if (type == TransactionType.incoming) {
+        if (isConfirmed(currentChainHeight, minConfirms)) {
+          return "Received";
+        } else {
+          if (numberOfMessages == 1) {
+            return "Receiving (waiting for sender)";
+          } else if ((numberOfMessages ?? 0) > 1) {
+            return "Receiving (waiting for confirmations)"; // TODO test if the sender still has to open again after the receiver has 2 messages present, ie. sender->receiver->sender->node (yes) vs. sender->receiver->node (no)
+          } else {
+            return "Receiving ${prettyConfirms()}";
+          }
+        }
+      } else if (type == TransactionType.outgoing) {
+        if (isConfirmed(currentChainHeight, minConfirms)) {
+          return "Sent (confirmed)";
+        } else {
+          if (numberOfMessages == 1) {
+            return "Sending (waiting for receiver)";
+          } else if ((numberOfMessages ?? 0) > 1) {
+            return "Sending (waiting for confirmations)";
+          } else {
+            return "Sending ${prettyConfirms()}";
+          }
+        }
+      }
+    }
+
     if (type == TransactionType.incoming) {
       // if (_transaction.isMinting) {
       //   return "Minting";
@@ -331,6 +367,7 @@ abstract final class TxV2OdKeys {
   static const size = "size";
   static const vSize = "vSize";
   static const isEpiccashTransaction = "isEpiccashTransaction";
+  static const isMimblewimblecoinTransaction = "isMimblewimblecoinTransaction";
   static const numberOfMessages = "numberOfMessages";
   static const slateId = "slateId";
   static const onChainNote = "onChainNote";