dcr: Always fetch the current dir path.

On ios devices the path will change between updates breaking decred.
Never save the path and always check to ensure it is up to date.

Author: JoeGruffins

cw_decred/lib/wallet.dart

@@ -4,6 +4,8 @@ import 'dart:io';
 import 'package:cw_core/exceptions.dart';
 import 'package:cw_core/transaction_direction.dart';
 import 'package:cw_core/utils/print_verbose.dart';
+import 'package:cw_core/pathForWallet.dart';
+import 'package:cw_core/wallet_type.dart';
 import 'package:cw_decred/amount_format.dart';
 import 'package:cw_decred/pending_transaction.dart';
 import 'package:cw_decred/transaction_credentials.dart';
@@ -306,9 +308,10 @@ abstract class DecredWalletBase
       persistantPeer = addr;
       await _libwallet.closeWallet(walletInfo.name);
       final network = isTestnet ? "testnet" : "mainnet";
+      final dirPath = await pathForWalletDir(name: walletInfo.name, type: WalletType.decred);
       final config = {
         "name": walletInfo.name,
-        "datadir": walletInfo.dirPath,
+        "datadir": dirPath,
         "net": network,
         "unsyncedaddrs": true,
       };

cw_decred/lib/wallet_service.dart

@@ -57,9 +57,10 @@ class DecredWalletService extends WalletService<
   @override
   Future<DecredWallet> create(DecredNewWalletCredentials credentials, {bool? isTestnet}) async {
     await this.init();
+    final dirPath = await pathForWalletDir(name: credentials.walletInfo!.name, type: getType());
     final config = {
       "name": credentials.walletInfo!.name,
-      "datadir": credentials.walletInfo!.dirPath,
+      "datadir": dirPath,
       "pass": credentials.password!,
       "net": isTestnet == true ? testnet : mainnet,
       "unsyncedaddrs": true,
@@ -84,14 +85,11 @@ class DecredWalletService extends WalletService<
         : mainnet;
 
     await this.init();
-    final walletDirExists = Directory(walletInfo.dirPath).existsSync();
-    if (!walletDirExists) {
-      walletInfo.dirPath = await pathForWalletDir(name: name, type: getType());
-    }
+    final dirPath = await pathForWalletDir(name: name, type: getType());
 
     final config = {
-      "name": walletInfo.name,
-      "datadir": walletInfo.dirPath,
+      "name": name,
+      "datadir": dirPath,
       "net": network,
       "unsyncedaddrs": true,
     };
@@ -123,11 +121,9 @@ class DecredWalletService extends WalletService<
 
     await currentWallet.renameWalletFiles(newName);
 
-    final newDirPath = await pathForWalletDir(name: newName, type: getType());
     final newWalletInfo = currentWalletInfo;
     newWalletInfo.id = WalletBase.idFor(newName, getType());
     newWalletInfo.name = newName;
-    newWalletInfo.dirPath = newDirPath;
     newWalletInfo.network = network;
 
     await walletInfoSource.put(currentWalletInfo.key, newWalletInfo);
@@ -137,9 +133,10 @@ class DecredWalletService extends WalletService<
   Future<DecredWallet> restoreFromSeed(DecredRestoreWalletFromSeedCredentials credentials,
       {bool? isTestnet}) async {
     await this.init();
+    final dirPath = await pathForWalletDir(name: credentials.walletInfo!.name, type: getType());
     final config = {
       "name": credentials.walletInfo!.name,
-      "datadir": credentials.walletInfo!.dirPath,
+      "datadir": dirPath,
       "pass": credentials.password!,
       "mnemonic": credentials.mnemonic,
       "net": isTestnet == true ? testnet : mainnet,
@@ -161,9 +158,10 @@ class DecredWalletService extends WalletService<
   Future<DecredWallet> restoreFromKeys(DecredRestoreWalletFromPubkeyCredentials credentials,
       {bool? isTestnet}) async {
     await this.init();
+    final dirPath = await pathForWalletDir(name: credentials.walletInfo!.name, type: getType());
     final config = {
       "name": credentials.walletInfo!.name,
-      "datadir": credentials.walletInfo!.dirPath,
+      "datadir": dirPath,
       "pubkey": credentials.pubkey,
       "net": isTestnet == true ? testnet : mainnet,
       "unsyncedaddrs": true,