Mweb enhancements 3 (#1744)

* version 4.20.0

* update build numbers

* UI updates and script fix for ios bundle identifier

* disable mweb for desktop

* change hardcoded ltc server ip address
electrum connection enhancement

* MWEB enhancements 2.0 (#1735)

* additional logging and minor fixes

* additional logging and minor fixes

* addresses pt.1

* Allow Wallet Group Names to be the same as Wallet Names (#1730)

* fix: Issues with imaging

* fix: Allow group names to be the same as wallet names

* fix: Bug with wallet grouping when a wallet is minimized

* fix: Bug with wallet grouping when a wallet is minimized

* logs of fixes and experimental changes, close wallet before opening next

* save

* fix icon

* fixes

* [skip ci] updates

* [skip ci] updates

* updates

* minor optimizations

* fix for when switching between wallets

* [skip ci] updates

* [skip ci] updates

* Update cw_bitcoin/lib/litecoin_wallet.dart

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

* Update cw_bitcoin/lib/litecoin_wallet.dart

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

* mobx

* mostly logging

* stream fix pt.1 [skip ci]

* updates

* some fixes and enhancements

* [skip ci] minor

* potential partial fix for streamsink closed

* fix stream sink closed errors

* fix mweb logo colors

* save

* minor enhancements [skip ci]

* save

* experimental

* minor

* minor [skip ci]

---------

Co-authored-by: David Adegoke <64401859+Blazebrain@users.noreply.github.com>
Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

* fix menu list removing from original list

* detach sync status from mwebsyncstatus

* minor

* keep sync status in sync where necessary

* minor

* wip

* appears to work?

* updates

* prevent mwebd from submitting non mweb transactions

* fix unspent coins info not persisting for mweb coins + other minor fixes

* [skip ci] minor

* Polish MWEB card UI

* make sure current chain tip is updated correctly [skip ci]

* [skip ci] review fixes

* [skip ci] detect mweb outputs more thoroughly (fix peg-in commit error)

* fix change address on send ui

* fix qr code scan issue

* get segwit address for pegout even if mweb is selected on the receive screen [skip ci]

* - Fix adding nodes twice
- Fix mempool API parsing error

* (potentially) fix duplicate tx history bug

* [skip ci] fix bc1 address

* don't show contacts prompt on pegin/out + potential unconfirmed balance fixes

* [skip ci] minor cleanup

* fix mweb input detection

* fix showing mweb address for non-mweb transactions

---------

Co-authored-by: OmarHatem <omarh.ismail1@gmail.com>
Co-authored-by: David Adegoke <64401859+Blazebrain@users.noreply.github.com>
Co-authored-by: tuxpizza <tuxsudo@tux.pizza>

cw_mweb/lib/cw_mweb.dart

@@ -40,7 +40,7 @@ class CwMweb {
   }
 
   static Future<void> _initializeClient() async {
-    print("initialize client called!");
+    print("_initializeClient() called!");
     final appDir = await getApplicationSupportDirectory();
     const ltcNodeUri = "ltc-electrum.cakewallet.com:9333";
 
@@ -54,7 +54,7 @@ class CwMweb {
     log("Attempting to connect to server on port: $_port");
 
     // wait for the server to finish starting up before we try to connect to it:
-    await Future.delayed(const Duration(seconds: 5));
+    await Future.delayed(const Duration(seconds: 8));
 
     _clientChannel = ClientChannel('127.0.0.1', port: _port!, channelShutdownHandler: () {
       _rpcClient = null;
@@ -83,10 +83,13 @@ class CwMweb {
         log("Attempt $i failed: $e");
         log('Caught grpc error: ${e.message}');
         _rpcClient = null;
+        // necessary if the database isn't open:
+        await stop();
         await Future.delayed(const Duration(seconds: 3));
       } catch (e) {
         log("Attempt $i failed: $e");
         _rpcClient = null;
+        await stop();
         await Future.delayed(const Duration(seconds: 3));
       }
     }