diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
index a88211f5a..029d970ba 100644
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
@@ -1,1026 +1,1035 @@
 #include "CommCoreModule.h"
 #include "DatabaseManager.h"
 #include "GRPCStreamHostObject.h"
 #include "InternalModules/GlobalNetworkSingleton.h"
 #include "InternalModules/NetworkModule.h"
 #include "Logger.h"
 #include "MessageStoreOperations.h"
 #include "ThreadStoreOperations.h"
 
 #include <folly/Optional.h>
 
 #include "../DatabaseManagers/entities/Media.h"
 
 #include <ReactCommon/TurboModuleUtils.h>
 #include <future>
 
 namespace comm {
 
 using namespace facebook::react;
 
+template <class T>
+T CommCoreModule::runSyncOrThrowJSError(
+    jsi::Runtime &rt,
+    std::function<T()> task) {
+  std::promise<T> promise;
+  this->databaseThread->scheduleTask([&promise, &task]() {
+    try {
+      promise.set_value(task());
+    } catch (const std::exception &e) {
+      promise.set_exception(std::make_exception_ptr(e));
+    }
+  });
+  // We cannot instantiate JSError on database thread, so
+  // on the main thread we re-throw C++ error, catch it and
+  // transform to informative JSError on the main thread
+  try {
+    return promise.get_future().get();
+  } catch (const std::exception &e) {
+    throw jsi::JSError(rt, e.what());
+  }
+}
+
 jsi::Value CommCoreModule::getDraft(jsi::Runtime &rt, const jsi::String &key) {
   std::string keyStr = key.utf8(rt);
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::string draftStr;
           try {
             draftStr = DatabaseManager::getQueryExecutor().getDraft(keyStr);
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             jsi::String draft = jsi::String::createFromUtf8(innerRt, draftStr);
             promise->resolve(std::move(draft));
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value
 CommCoreModule::updateDraft(jsi::Runtime &rt, const jsi::Object &draft) {
   std::string keyStr = draft.getProperty(rt, "key").asString(rt).utf8(rt);
   std::string textStr = draft.getProperty(rt, "text").asString(rt).utf8(rt);
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().updateDraft(keyStr, textStr);
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(true);
             }
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::moveDraft(
     jsi::Runtime &rt,
     const jsi::String &oldKey,
     const jsi::String &newKey) {
   std::string oldKeyStr = oldKey.utf8(rt);
   std::string newKeyStr = newKey.utf8(rt);
 
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error;
           bool result = false;
           try {
             result = DatabaseManager::getQueryExecutor().moveDraft(
                 oldKeyStr, newKeyStr);
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(result);
             }
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::getAllDrafts(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::vector<Draft> draftsVector;
           size_t numDrafts;
           try {
             draftsVector = DatabaseManager::getQueryExecutor().getAllDrafts();
             numDrafts = count_if(
                 draftsVector.begin(), draftsVector.end(), [](Draft draft) {
                   return !draft.text.empty();
                 });
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             jsi::Array jsiDrafts = jsi::Array(innerRt, numDrafts);
 
             size_t writeIndex = 0;
             for (Draft draft : draftsVector) {
               if (draft.text.empty()) {
                 continue;
               }
               auto jsiDraft = jsi::Object(innerRt);
               jsiDraft.setProperty(innerRt, "key", draft.key);
               jsiDraft.setProperty(innerRt, "text", draft.text);
               jsiDrafts.setValueAtIndex(innerRt, writeIndex++, jsiDraft);
             }
             promise->resolve(std::move(jsiDrafts));
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::removeAllDrafts(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().removeAllDrafts();
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             promise->resolve(jsi::Value::undefined());
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Array CommCoreModule::getAllMessagesSync(jsi::Runtime &rt) {
-  std::promise<std::vector<std::pair<Message, std::vector<Media>>>>
-      messagesResult;
-  auto messagesResultFuture = messagesResult.get_future();
-
-  this->databaseThread->scheduleTask([&messagesResult]() {
-    messagesResult.set_value(
-        DatabaseManager::getQueryExecutor().getAllMessages());
+  auto messagesVector = this->runSyncOrThrowJSError<
+      std::vector<std::pair<Message, std::vector<Media>>>>(rt, []() {
+    return DatabaseManager::getQueryExecutor().getAllMessages();
   });
-
-  auto messagesVector = messagesResultFuture.get();
   size_t numMessages{messagesVector.size()};
   jsi::Array jsiMessages = jsi::Array(rt, numMessages);
 
   size_t writeIndex = 0;
   for (const auto &[message, media] : messagesVector) {
     auto jsiMessage = jsi::Object(rt);
     jsiMessage.setProperty(rt, "id", message.id);
 
     if (message.local_id) {
       auto local_id = message.local_id.get();
       jsiMessage.setProperty(rt, "local_id", *local_id);
     }
 
     jsiMessage.setProperty(rt, "thread", message.thread);
     jsiMessage.setProperty(rt, "user", message.user);
     jsiMessage.setProperty(rt, "type", std::to_string(message.type));
 
     if (message.future_type) {
       auto future_type = message.future_type.get();
       jsiMessage.setProperty(rt, "future_type", std::to_string(*future_type));
     }
 
     if (message.content) {
       auto content = message.content.get();
       jsiMessage.setProperty(rt, "content", *content);
     }
     jsiMessage.setProperty(rt, "time", std::to_string(message.time));
 
     size_t media_idx = 0;
     jsi::Array jsiMediaArray = jsi::Array(rt, media.size());
     for (const auto &media_info : media) {
       auto jsiMedia = jsi::Object(rt);
       jsiMedia.setProperty(rt, "id", media_info.id);
       jsiMedia.setProperty(rt, "uri", media_info.uri);
       jsiMedia.setProperty(rt, "type", media_info.type);
       jsiMedia.setProperty(rt, "extras", media_info.extras);
 
       jsiMediaArray.setValueAtIndex(rt, media_idx++, jsiMedia);
     }
 
     jsiMessage.setProperty(rt, "media_infos", jsiMediaArray);
     jsiMessages.setValueAtIndex(rt, writeIndex++, jsiMessage);
   }
 
   return jsiMessages;
 }
 
 jsi::Value CommCoreModule::getAllMessages(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::vector<std::pair<Message, std::vector<Media>>> messagesVector;
           size_t numMessages;
           try {
             messagesVector =
                 DatabaseManager::getQueryExecutor().getAllMessages();
             numMessages = messagesVector.size();
           } catch (std::system_error &e) {
             error = e.what();
           }
           auto messagesVectorPtr = std::make_shared<
               std::vector<std::pair<Message, std::vector<Media>>>>(
               std::move(messagesVector));
           this->jsInvoker_->invokeAsync(
               [messagesVectorPtr, &innerRt, promise, error, numMessages]() {
                 if (error.size()) {
                   promise->reject(error);
                   return;
                 }
                 jsi::Array jsiMessages = jsi::Array(innerRt, numMessages);
                 size_t writeIndex = 0;
                 for (const auto &[message, media] : *messagesVectorPtr) {
                   auto jsiMessage = jsi::Object(innerRt);
                   jsiMessage.setProperty(innerRt, "id", message.id);
 
                   if (message.local_id) {
                     auto local_id = message.local_id.get();
                     jsiMessage.setProperty(innerRt, "local_id", *local_id);
                   }
 
                   jsiMessage.setProperty(innerRt, "thread", message.thread);
                   jsiMessage.setProperty(innerRt, "user", message.user);
                   jsiMessage.setProperty(
                       innerRt, "type", std::to_string(message.type));
 
                   if (message.future_type) {
                     auto future_type = message.future_type.get();
                     jsiMessage.setProperty(
                         innerRt, "future_type", std::to_string(*future_type));
                   }
 
                   if (message.content) {
                     auto content = message.content.get();
                     jsiMessage.setProperty(innerRt, "content", *content);
                   }
 
                   jsiMessage.setProperty(
                       innerRt, "time", std::to_string(message.time));
 
                   size_t media_idx = 0;
                   jsi::Array jsiMediaArray = jsi::Array(innerRt, media.size());
                   for (const auto &media_info : media) {
                     auto jsiMedia = jsi::Object(innerRt);
                     jsiMedia.setProperty(innerRt, "id", media_info.id);
                     jsiMedia.setProperty(innerRt, "uri", media_info.uri);
                     jsiMedia.setProperty(innerRt, "type", media_info.type);
                     jsiMedia.setProperty(innerRt, "extras", media_info.extras);
 
                     jsiMediaArray.setValueAtIndex(
                         innerRt, media_idx++, jsiMedia);
                   }
 
                   jsiMessage.setProperty(innerRt, "media_infos", jsiMediaArray);
 
                   jsiMessages.setValueAtIndex(
                       innerRt, writeIndex++, jsiMessage);
                 }
                 promise->resolve(std::move(jsiMessages));
               });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 #define REKEY_OPERATION "rekey"
 #define REMOVE_OPERATION "remove"
 #define REPLACE_OPERATION "replace"
 #define REMOVE_MSGS_FOR_THREADS_OPERATION "remove_messages_for_threads"
 #define REMOVE_ALL_OPERATION "remove_all"
 
 std::vector<std::unique_ptr<MessageStoreOperationBase>>
 createMessageStoreOperations(jsi::Runtime &rt, const jsi::Array &operations) {
 
   std::vector<std::unique_ptr<MessageStoreOperationBase>> messageStoreOps;
 
   for (auto idx = 0; idx < operations.size(rt); idx++) {
     auto op = operations.getValueAtIndex(rt, idx).asObject(rt);
     auto op_type = op.getProperty(rt, "type").asString(rt).utf8(rt);
 
     if (op_type == REMOVE_ALL_OPERATION) {
       messageStoreOps.push_back(std::make_unique<RemoveAllMessagesOperation>());
       continue;
     }
 
     auto payload_obj = op.getProperty(rt, "payload").asObject(rt);
     if (op_type == REMOVE_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<RemoveMessagesOperation>(rt, payload_obj));
 
     } else if (op_type == REMOVE_MSGS_FOR_THREADS_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<RemoveMessagesForThreadsOperation>(rt, payload_obj));
 
     } else if (op_type == REPLACE_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<ReplaceMessageOperation>(rt, payload_obj));
 
     } else if (op_type == REKEY_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<RekeyMessageOperation>(rt, payload_obj));
 
     } else {
       throw std::runtime_error("unsupported operation: " + op_type);
     }
   }
 
   return messageStoreOps;
 }
 
 jsi::Value CommCoreModule::processMessageStoreOperations(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
 
   std::string createOperationsError;
   std::shared_ptr<std::vector<std::unique_ptr<MessageStoreOperationBase>>>
       messageStoreOpsPtr;
   try {
     auto messageStoreOps = createMessageStoreOperations(rt, operations);
     messageStoreOpsPtr = std::make_shared<
         std::vector<std::unique_ptr<MessageStoreOperationBase>>>(
         std::move(messageStoreOps));
   } catch (std::runtime_error &e) {
     createOperationsError = e.what();
   }
 
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error = createOperationsError;
 
           if (!error.size()) {
             try {
               DatabaseManager::getQueryExecutor().beginTransaction();
               for (const auto &operation : *messageStoreOpsPtr) {
                 operation->execute();
               }
               DatabaseManager::getQueryExecutor().commitTransaction();
             } catch (std::system_error &e) {
               error = e.what();
               DatabaseManager::getQueryExecutor().rollbackTransaction();
             }
           }
 
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 bool CommCoreModule::processMessageStoreOperationsSync(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
 
   std::promise<bool> operationsResult;
   std::future<bool> operationsResultFuture = operationsResult.get_future();
 
   std::vector<std::unique_ptr<MessageStoreOperationBase>> messageStoreOps;
   std::string operationsError;
 
   try {
     messageStoreOps = createMessageStoreOperations(rt, operations);
   } catch (std::runtime_error &e) {
     return false;
   }
 
   this->databaseThread->scheduleTask(
       [=, &messageStoreOps, &operationsResult, &rt]() {
         std::string error = operationsError;
         if (!error.size()) {
           try {
             DatabaseManager::getQueryExecutor().beginTransaction();
             for (const auto &operation : messageStoreOps) {
               operation->execute();
             }
             DatabaseManager::getQueryExecutor().commitTransaction();
           } catch (std::system_error &e) {
             error = e.what();
             DatabaseManager::getQueryExecutor().rollbackTransaction();
           }
         }
         operationsResult.set_value(error.size() == 0);
       });
   return operationsResultFuture.get();
 }
 
 jsi::Value CommCoreModule::getAllThreads(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([=, &innerRt]() {
           std::string error;
           std::vector<Thread> threadsVector;
           size_t numThreads;
           try {
             threadsVector = DatabaseManager::getQueryExecutor().getAllThreads();
             numThreads = threadsVector.size();
           } catch (std::system_error &e) {
             error = e.what();
           }
           auto threadsVectorPtr =
               std::make_shared<std::vector<Thread>>(std::move(threadsVector));
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
 
             jsi::Array jsiThreads = jsi::Array(innerRt, numThreads);
             size_t writeIdx = 0;
             for (const Thread &thread : *threadsVectorPtr) {
               jsi::Object jsiThread = jsi::Object(innerRt);
               jsiThread.setProperty(innerRt, "id", thread.id);
               jsiThread.setProperty(innerRt, "type", thread.type);
               jsiThread.setProperty(
                   innerRt,
                   "name",
                   thread.name
                       ? jsi::String::createFromUtf8(innerRt, *thread.name)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt,
                   "description",
                   thread.description ? jsi::String::createFromUtf8(
                                            innerRt, *thread.description)
                                      : jsi::Value::null());
               jsiThread.setProperty(innerRt, "color", thread.color);
               jsiThread.setProperty(
                   innerRt,
                   "creationTime",
                   std::to_string(thread.creation_time));
               jsiThread.setProperty(
                   innerRt,
                   "parentThreadID",
                   thread.parent_thread_id
                       ? jsi::String::createFromUtf8(
                             innerRt, *thread.parent_thread_id)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt,
                   "containingThreadID",
                   thread.containing_thread_id
                       ? jsi::String::createFromUtf8(
                             innerRt, *thread.containing_thread_id)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt,
                   "community",
                   thread.community
                       ? jsi::String::createFromUtf8(innerRt, *thread.community)
                       : jsi::Value::null());
               jsiThread.setProperty(innerRt, "members", thread.members);
               jsiThread.setProperty(innerRt, "roles", thread.roles);
               jsiThread.setProperty(
                   innerRt, "currentUser", thread.current_user);
               jsiThread.setProperty(
                   innerRt,
                   "sourceMessageID",
                   thread.source_message_id
                       ? jsi::String::createFromUtf8(
                             innerRt, *thread.source_message_id)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt, "repliesCount", thread.replies_count);
 
               jsiThreads.setValueAtIndex(innerRt, writeIdx++, jsiThread);
             }
             promise->resolve(std::move(jsiThreads));
           });
         });
       });
 };
 
 jsi::Array CommCoreModule::getAllThreadsSync(jsi::Runtime &rt) {
-  std::promise<std::vector<Thread>> threadsResult;
-  auto threadsResultFuture = threadsResult.get_future();
-
-  this->databaseThread->scheduleTask([&threadsResult]() {
-    threadsResult.set_value(
-        DatabaseManager::getQueryExecutor().getAllThreads());
-  });
-
-  auto threadsVector = threadsResultFuture.get();
+  auto threadsVector = this->runSyncOrThrowJSError<std::vector<Thread>>(
+      rt, []() { return DatabaseManager::getQueryExecutor().getAllThreads(); });
   size_t numThreads{threadsVector.size()};
   jsi::Array jsiThreads = jsi::Array(rt, numThreads);
 
   size_t writeIdx = 0;
   for (const Thread &thread : threadsVector) {
     jsi::Object jsiThread = jsi::Object(rt);
     jsiThread.setProperty(rt, "id", thread.id);
     jsiThread.setProperty(rt, "type", thread.type);
     jsiThread.setProperty(
         rt,
         "name",
         thread.name ? jsi::String::createFromUtf8(rt, *thread.name)
                     : jsi::Value::null());
     jsiThread.setProperty(
         rt,
         "description",
         thread.description
             ? jsi::String::createFromUtf8(rt, *thread.description)
             : jsi::Value::null());
     jsiThread.setProperty(rt, "color", thread.color);
     jsiThread.setProperty(
         rt, "creationTime", std::to_string(thread.creation_time));
     jsiThread.setProperty(
         rt,
         "parentThreadID",
         thread.parent_thread_id
             ? jsi::String::createFromUtf8(rt, *thread.parent_thread_id)
             : jsi::Value::null());
     jsiThread.setProperty(
         rt,
         "containingThreadID",
         thread.containing_thread_id
             ? jsi::String::createFromUtf8(rt, *thread.containing_thread_id)
             : jsi::Value::null());
     jsiThread.setProperty(
         rt,
         "community",
         thread.community ? jsi::String::createFromUtf8(rt, *thread.community)
                          : jsi::Value::null());
     jsiThread.setProperty(rt, "members", thread.members);
     jsiThread.setProperty(rt, "roles", thread.roles);
     jsiThread.setProperty(rt, "currentUser", thread.current_user);
     jsiThread.setProperty(
         rt,
         "sourceMessageID",
         thread.source_message_id
             ? jsi::String::createFromUtf8(rt, *thread.source_message_id)
             : jsi::Value::null());
     jsiThread.setProperty(rt, "repliesCount", thread.replies_count);
 
     jsiThreads.setValueAtIndex(rt, writeIdx++, jsiThread);
   }
 
   return jsiThreads;
 }
 
 std::vector<std::unique_ptr<ThreadStoreOperationBase>>
 createThreadStoreOperations(jsi::Runtime &rt, const jsi::Array &operations) {
   std::vector<std::unique_ptr<ThreadStoreOperationBase>> threadStoreOps;
 
   for (size_t idx = 0; idx < operations.size(rt); idx++) {
     jsi::Object op = operations.getValueAtIndex(rt, idx).asObject(rt);
     std::string opType = op.getProperty(rt, "type").asString(rt).utf8(rt);
 
     if (opType == REMOVE_OPERATION) {
       std::vector<std::string> threadIDsToRemove;
       jsi::Object payloadObj = op.getProperty(rt, "payload").asObject(rt);
       jsi::Array threadIDs =
           payloadObj.getProperty(rt, "ids").asObject(rt).asArray(rt);
       for (int threadIdx = 0; threadIdx < threadIDs.size(rt); threadIdx++) {
         threadIDsToRemove.push_back(
             threadIDs.getValueAtIndex(rt, threadIdx).asString(rt).utf8(rt));
       }
       threadStoreOps.push_back(std::make_unique<RemoveThreadsOperation>(
           std::move(threadIDsToRemove)));
     } else if (opType == REMOVE_ALL_OPERATION) {
       threadStoreOps.push_back(std::make_unique<RemoveAllThreadsOperation>());
     } else if (opType == REPLACE_OPERATION) {
       jsi::Object threadObj = op.getProperty(rt, "payload").asObject(rt);
       std::string threadID =
           threadObj.getProperty(rt, "id").asString(rt).utf8(rt);
       int type = std::lround(threadObj.getProperty(rt, "type").asNumber());
       jsi::Value maybeName = threadObj.getProperty(rt, "name");
       std::unique_ptr<std::string> name = maybeName.isString()
           ? std::make_unique<std::string>(maybeName.asString(rt).utf8(rt))
           : nullptr;
 
       jsi::Value maybeDescription = threadObj.getProperty(rt, "description");
       std::unique_ptr<std::string> description = maybeDescription.isString()
           ? std::make_unique<std::string>(
                 maybeDescription.asString(rt).utf8(rt))
           : nullptr;
 
       std::string color =
           threadObj.getProperty(rt, "color").asString(rt).utf8(rt);
       int64_t creationTime = std::stoll(
           threadObj.getProperty(rt, "creationTime").asString(rt).utf8(rt));
 
       jsi::Value maybeParentThreadID =
           threadObj.getProperty(rt, "parentThreadID");
       std::unique_ptr<std::string> parentThreadID =
           maybeParentThreadID.isString()
           ? std::make_unique<std::string>(
                 maybeParentThreadID.asString(rt).utf8(rt))
           : nullptr;
 
       jsi::Value maybeContainingThreadID =
           threadObj.getProperty(rt, "containingThreadID");
       std::unique_ptr<std::string> containingThreadID =
           maybeContainingThreadID.isString()
           ? std::make_unique<std::string>(
                 maybeContainingThreadID.asString(rt).utf8(rt))
           : nullptr;
 
       jsi::Value maybeCommunity = threadObj.getProperty(rt, "community");
       std::unique_ptr<std::string> community = maybeCommunity.isString()
           ? std::make_unique<std::string>(maybeCommunity.asString(rt).utf8(rt))
           : nullptr;
 
       std::string members =
           threadObj.getProperty(rt, "members").asString(rt).utf8(rt);
       std::string roles =
           threadObj.getProperty(rt, "roles").asString(rt).utf8(rt);
       std::string currentUser =
           threadObj.getProperty(rt, "currentUser").asString(rt).utf8(rt);
 
       jsi::Value maybeSourceMessageID =
           threadObj.getProperty(rt, "sourceMessageID");
       std::unique_ptr<std::string> sourceMessageID =
           maybeSourceMessageID.isString()
           ? std::make_unique<std::string>(
                 maybeSourceMessageID.asString(rt).utf8(rt))
           : nullptr;
 
       int repliesCount =
           std::lround(threadObj.getProperty(rt, "repliesCount").asNumber());
       Thread thread{
           threadID,
           type,
           std::move(name),
           std::move(description),
           color,
           creationTime,
           std::move(parentThreadID),
           std::move(containingThreadID),
           std::move(community),
           members,
           roles,
           currentUser,
           std::move(sourceMessageID),
           repliesCount};
 
       threadStoreOps.push_back(
           std::make_unique<ReplaceThreadOperation>(std::move(thread)));
     } else {
       throw std::runtime_error("unsupported operation: " + opType);
     }
   };
   return threadStoreOps;
 }
 
 jsi::Value CommCoreModule::processThreadStoreOperations(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
   std::string operationsError;
   std::shared_ptr<std::vector<std::unique_ptr<ThreadStoreOperationBase>>>
       threadStoreOpsPtr;
   try {
     auto threadStoreOps = createThreadStoreOperations(rt, operations);
     threadStoreOpsPtr = std::make_shared<
         std::vector<std::unique_ptr<ThreadStoreOperationBase>>>(
         std::move(threadStoreOps));
   } catch (std::runtime_error &e) {
     operationsError = e.what();
   }
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([=]() {
           std::string error = operationsError;
           if (!error.size()) {
             try {
               DatabaseManager::getQueryExecutor().beginTransaction();
               for (const auto &operation : *threadStoreOpsPtr) {
                 operation->execute();
               }
               DatabaseManager::getQueryExecutor().commitTransaction();
             } catch (std::system_error &e) {
               error = e.what();
               DatabaseManager::getQueryExecutor().rollbackTransaction();
             }
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 bool CommCoreModule::processThreadStoreOperationsSync(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
 
   std::promise<bool> operationsResult;
   std::future<bool> operationsResultFuture = operationsResult.get_future();
   std::vector<std::unique_ptr<ThreadStoreOperationBase>> threadStoreOps;
   std::string operationsError;
   try {
     threadStoreOps = createThreadStoreOperations(rt, operations);
   } catch (std::runtime_error &e) {
     return false;
   }
   this->databaseThread->scheduleTask(
       [=, &threadStoreOps, &operationsResult, &rt]() {
         std::string error = operationsError;
         if (!error.size()) {
           try {
             DatabaseManager::getQueryExecutor().beginTransaction();
             for (const auto &operation : threadStoreOps) {
               operation->execute();
             }
             DatabaseManager::getQueryExecutor().commitTransaction();
           } catch (std::system_error &e) {
             error = e.what();
             DatabaseManager::getQueryExecutor().rollbackTransaction();
           }
         }
         operationsResult.set_value(error.size() == 0);
       });
   return operationsResultFuture.get();
 }
 
 jsi::Value CommCoreModule::initializeCryptoAccount(
     jsi::Runtime &rt,
     const jsi::String &userId) {
   std::string userIdStr = userId.utf8(rt);
   folly::Optional<std::string> storedSecretKey =
       this->secureStore.get(this->secureStoreAccountDataKey);
   if (!storedSecretKey.hasValue()) {
     storedSecretKey = crypto::Tools::generateRandomString(64);
     this->secureStore.set(
         this->secureStoreAccountDataKey, storedSecretKey.value());
   }
 
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([=]() {
           crypto::Persist persist;
           std::string error;
           try {
             folly::Optional<std::string> accountData =
                 DatabaseManager::getQueryExecutor().getOlmPersistAccountData();
             if (accountData.hasValue()) {
               persist.account =
                   crypto::OlmBuffer(accountData->begin(), accountData->end());
               // handle sessions data
               std::vector<OlmPersistSession> sessionsData =
                   DatabaseManager::getQueryExecutor()
                       .getOlmPersistSessionsData();
               for (OlmPersistSession &sessionsDataItem : sessionsData) {
                 crypto::OlmBuffer sessionDataBuffer(
                     sessionsDataItem.session_data.begin(),
                     sessionsDataItem.session_data.end());
                 persist.sessions.insert(std::make_pair(
                     sessionsDataItem.target_user_id, sessionDataBuffer));
               }
             }
           } catch (std::system_error &e) {
             error = e.what();
           }
 
           this->cryptoThread->scheduleTask([=]() {
             std::string error;
             this->cryptoModule.reset(new crypto::CryptoModule(
                 userIdStr, storedSecretKey.value(), persist));
             if (persist.isEmpty()) {
               crypto::Persist newPersist =
                   this->cryptoModule->storeAsB64(storedSecretKey.value());
               this->databaseThread->scheduleTask([=]() {
                 std::string error;
                 try {
                   DatabaseManager::getQueryExecutor().storeOlmPersistData(
                       newPersist);
                 } catch (std::system_error &e) {
                   error = e.what();
                 }
                 this->jsInvoker_->invokeAsync([=]() {
                   if (error.size()) {
                     promise->reject(error);
                     return;
                   }
                   promise->resolve(jsi::Value::undefined());
                 });
               });
 
             } else {
               this->cryptoModule->restoreFromB64(
                   storedSecretKey.value(), persist);
               this->jsInvoker_->invokeAsync([=]() {
                 if (error.size()) {
                   promise->reject(error);
                   return;
                 }
                 promise->resolve(jsi::Value::undefined());
               });
             }
           });
         });
       });
 }
 
 void CommCoreModule::initializeNetworkModule(
     const std::string &userId,
     const std::string &deviceToken,
     const std::string &hostname) {
   GlobalNetworkSingleton::instance.scheduleOrRun(
       [=](NetworkModule &networkModule) {
         networkModule.initializeNetworkModule(userId, deviceToken, hostname);
       });
 }
 
 jsi::Value CommCoreModule::getUserPublicKey(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::string result;
           if (this->cryptoModule == nullptr) {
             error = "user has not been initialized";
           } else {
             result = this->cryptoModule->getIdentityKeys();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             promise->resolve(jsi::String::createFromUtf8(innerRt, result));
           });
         };
         this->cryptoThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::getUserOneTimeKeys(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::string result;
           if (this->cryptoModule == nullptr) {
             error = "user has not been initialized";
           } else {
             result = this->cryptoModule->getOneTimeKeys();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             promise->resolve(jsi::String::createFromUtf8(innerRt, result));
           });
         };
         this->cryptoThread->scheduleTask(job);
       });
 }
 
 jsi::Object
 CommCoreModule::openSocket(jsi::Runtime &rt, const jsi::String &endpoint) {
   auto hostObject =
       std::make_shared<GRPCStreamHostObject>(rt, this->jsInvoker_);
   return jsi::Object::createFromHostObject(rt, hostObject);
 }
 
 CommCoreModule::CommCoreModule(
     std::shared_ptr<facebook::react::CallInvoker> jsInvoker)
     : facebook::react::CommCoreModuleSchemaCxxSpecJSI(jsInvoker),
       databaseThread(std::make_unique<WorkerThread>("database")),
       cryptoThread(std::make_unique<WorkerThread>("crypto")) {
   GlobalNetworkSingleton::instance.enableMultithreading();
 }
 
 double CommCoreModule::getCodeVersion(jsi::Runtime &rt) {
   return this->codeVersion;
 }
 
 jsi::Value
 CommCoreModule::setNotifyToken(jsi::Runtime &rt, const jsi::String &token) {
   auto notifyToken{token.utf8(rt)};
   return createPromiseAsJSIValue(
       rt,
       [this,
        notifyToken](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, notifyToken, promise]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().setNotifyToken(notifyToken);
           } catch (std::system_error &e) {
             error = e.what();
           }
 
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 jsi::Value CommCoreModule::clearNotifyToken(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, promise]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().clearNotifyToken();
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 };
 
 jsi::Value
 CommCoreModule::setCurrentUserID(jsi::Runtime &rt, const jsi::String &userID) {
   auto currentUserID{userID.utf8(rt)};
   return createPromiseAsJSIValue(
       rt,
       [this,
        currentUserID](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, promise, currentUserID]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().setCurrentUserID(currentUserID);
           } catch (const std::exception &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 jsi::Value CommCoreModule::getCurrentUserID(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, &innerRt, promise]() {
           std::string error;
           std::string result;
           try {
             result = DatabaseManager::getQueryExecutor().getCurrentUserID();
           } catch (const std::exception &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([&innerRt, error, result, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::String::createFromUtf8(innerRt, result));
             }
           });
         });
       });
 }
 
 jsi::Value CommCoreModule::clearSensitiveData(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, promise]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().clearSensitiveData();
           } catch (const std::exception &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 } // namespace comm
diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
index bbfe77fcc..0e13ab957 100644
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
@@ -1,75 +1,77 @@
 #pragma once
 
 #include "../CryptoTools/CryptoModule.h"
 #include "../Tools/CommSecureStore.h"
 #include "../Tools/WorkerThread.h"
 #include "../_generated/NativeModules.h"
 #include "../grpc/Client.h"
 #include <jsi/jsi.h>
 #include <memory>
 
 namespace comm {
 
 namespace jsi = facebook::jsi;
 
 class CommCoreModule : public facebook::react::CommCoreModuleSchemaCxxSpecJSI {
   const int codeVersion{147};
 
   std::unique_ptr<WorkerThread> databaseThread;
   std::unique_ptr<WorkerThread> cryptoThread;
 
   CommSecureStore secureStore;
   const std::string secureStoreAccountDataKey = "cryptoAccountDataKey";
   std::unique_ptr<crypto::CryptoModule> cryptoModule;
 
   std::unique_ptr<network::Client> networkClient;
 
+  template <class T>
+  T runSyncOrThrowJSError(jsi::Runtime &rt, std::function<T()> task);
   jsi::Value getDraft(jsi::Runtime &rt, const jsi::String &key) override;
   jsi::Value updateDraft(jsi::Runtime &rt, const jsi::Object &draft) override;
   jsi::Value moveDraft(
       jsi::Runtime &rt,
       const jsi::String &oldKey,
       const jsi::String &newKey) override;
   jsi::Value getAllDrafts(jsi::Runtime &rt) override;
   jsi::Value removeAllDrafts(jsi::Runtime &rt) override;
   jsi::Value getAllMessages(jsi::Runtime &rt) override;
   jsi::Array getAllMessagesSync(jsi::Runtime &rt) override;
   jsi::Value processMessageStoreOperations(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   bool processMessageStoreOperationsSync(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   jsi::Value getAllThreads(jsi::Runtime &rt) override;
   jsi::Array getAllThreadsSync(jsi::Runtime &rt) override;
   jsi::Value processThreadStoreOperations(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   bool processThreadStoreOperationsSync(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   jsi::Value
   initializeCryptoAccount(jsi::Runtime &rt, const jsi::String &userId) override;
   jsi::Value getUserPublicKey(jsi::Runtime &rt) override;
   jsi::Value getUserOneTimeKeys(jsi::Runtime &rt) override;
   jsi::Object
   openSocket(jsi::Runtime &rt, const jsi::String &endpoint) override;
   double getCodeVersion(jsi::Runtime &rt) override;
   jsi::Value
   setNotifyToken(jsi::Runtime &rt, const jsi::String &token) override;
   jsi::Value clearNotifyToken(jsi::Runtime &rt) override;
   jsi::Value
   setCurrentUserID(jsi::Runtime &rt, const jsi::String &userID) override;
   jsi::Value getCurrentUserID(jsi::Runtime &rt) override;
   jsi::Value clearSensitiveData(jsi::Runtime &rt) override;
 
 public:
   CommCoreModule(std::shared_ptr<facebook::react::CallInvoker> jsInvoker);
 
   void initializeNetworkModule(
       const std::string &userId,
       const std::string &deviceToken,
       const std::string &hostname = "");
 };
 
 } // namespace comm