fix(@deaktop/wallet): Implement error states with automatic retries

fixes #9688

src/app/boot/app_controller.nim

@@ -32,6 +32,7 @@ import ../../app_service/service/mailservers/service as mailservers_service
 import ../../app_service/service/gif/service as gif_service
 import ../../app_service/service/ens/service as ens_service
 import ../../app_service/service/community_tokens/service as tokens_service
+import ../../app_service/service/network_connection/service as network_connection_service
 
 import ../modules/shared_modules/keycard_popup/module as keycard_shared_module
 import ../modules/startup/module as startup_module
@@ -96,6 +97,7 @@ type
     gifService: gif_service.Service
     ensService: ens_service.Service
     tokensService: tokens_service.Service
+    networkConnectionService: network_connection_service.Service
 
     # Modules
     startupModule: startup_module.AccessInterface
@@ -216,6 +218,7 @@ proc newAppController*(statusFoundation: StatusFoundation): AppController =
   result.tokensService = tokens_service.newService(statusFoundation.events, statusFoundation.threadpool,
     result.transactionService)
   result.providerService = provider_service.newService(statusFoundation.events, statusFoundation.threadpool, result.ensService)
+  result.networkConnectionService = network_connection_service.newService(statusFoundation.events, result.walletAccountService, result.networkService, result.collectibleService, result.nodeService)
 
   # Modules
   result.startupModule = startup_module.newModule[AppController](
@@ -264,7 +267,8 @@ proc newAppController*(statusFoundation: StatusFoundation): AppController =
     result.tokensService,
     result.networkService,
     result.generalService,
-    result.keycardService
+    result.keycardService,
+    result.networkConnectionService
   )
 
   # Do connections
@@ -321,6 +325,7 @@ proc delete*(self: AppController) =
   self.tokensService.delete
   self.gifService.delete
   self.keycardService.delete
+  self.networkConnectionService.delete
 
 proc disconnectKeychain(self: AppController) =
   for id in self.keychainConnectionIds:
@@ -410,6 +415,7 @@ proc load(self: AppController) =
   self.ensService.init()
   self.tokensService.init()
   self.gifService.init()
+  self.networkConnectionService.init()
 
   # Accessible after user login
   singletonInstance.engine.setRootContextProperty("appSettings", self.appSettingsVariant)

src/app/modules/main/io_interface.nim

@@ -63,6 +63,9 @@ method browserSectionDidLoad*(self: AccessInterface) {.base.} =
 method networksModuleDidLoad*(self: AccessInterface) {.base.} =
   raise newException(ValueError, "No implementation available")
 
+method networkConnectionModuleDidLoad*(self: AccessInterface) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
 method nodeSectionDidLoad*(self: AccessInterface) {.base.} =
   raise newException(ValueError, "No implementation available")
 

src/app/modules/main/module.nim

@@ -23,6 +23,7 @@ import communities/module as communities_module
 import node_section/module as node_section_module
 import networks/module as networks_module
 import communities/tokens/models/token_item
+import network_connection/module as network_connection_module
 import ../../../app_service/service/contacts/dto/contacts
 
 import ../../../app_service/service/keychain/service as keychain_service
@@ -57,6 +58,7 @@ import ../../../app_service/service/community_tokens/service as community_tokens
 import ../../../app_service/service/network/service as network_service
 import ../../../app_service/service/general/service as general_service
 import ../../../app_service/service/keycard/service as keycard_service
+import ../../../app_service/service/network_connection/service as network_connection_service
 import ../../../app_service/common/types
 import ../../../app_service/common/social_links
 
@@ -87,6 +89,7 @@ type
     accountsService: accounts_service.Service
     walletAccountService: wallet_account_service.Service
     keychainService: keychain_service.Service
+    networkConnectionService: network_connection_service.Service
     walletSectionModule: wallet_section_module.AccessInterface
     browserSectionModule: browser_section_module.AccessInterface
     profileSectionModule: profile_section_module.AccessInterface
@@ -98,6 +101,7 @@ type
     networksModule: networks_module.AccessInterface
     keycardSharedModule: keycard_shared_module.AccessInterface
     keycardSharedModuleKeycardSyncPurpose: keycard_shared_module.AccessInterface
+    networkConnectionModule: network_connection_module.AccessInterface
     moduleLoaded: bool
     chatsLoaded: bool
     communityDataLoaded: bool
@@ -141,7 +145,8 @@ proc newModule*[T](
   communityTokensService: community_tokens_service.Service,
   networkService: network_service.Service,
   generalService: general_service.Service,
-  keycardService: keycard_service.Service
+  keycardService: keycard_service.Service,
+  networkConnectionService: network_connection_service.Service
 ): Module[T] =
   result = Module[T]()
   result.delegate = delegate
@@ -206,6 +211,7 @@ proc newModule*[T](
   messageService)
   result.nodeSectionModule = node_section_module.newModule(result, events, settingsService, nodeService, nodeConfigurationService)
   result.networksModule = networks_module.newModule(result, events, networkService, walletAccountService, settingsService)
+  result.networkConnectionModule = network_connection_module.newModule(result, events, networkConnectionService)
 
 method delete*[T](self: Module[T]) =
   self.controller.delete
@@ -225,6 +231,7 @@ method delete*[T](self: Module[T]) =
     self.keycardSharedModule.delete
   if not self.keycardSharedModuleKeycardSyncPurpose.isNil:
     self.keycardSharedModuleKeycardSyncPurpose.delete
+  self.networkConnectionModule.delete
   self.view.delete
   self.viewVariant.delete
 
@@ -498,6 +505,7 @@ method load*[T](
   self.nodeSectionModule.load()
   # Load wallet last as it triggers events that are listened by other modules
   self.walletSectionModule.load()
+  self.networkConnectionModule.load()
 
   # Set active section on app start
   # If section is empty or profile then open the loading section until chats are loaded
@@ -657,6 +665,9 @@ proc checkIfModuleDidLoad [T](self: Module[T]) =
   if(not self.networksModule.isLoaded()):
     return
 
+  if(not self.networkConnectionModule.isLoaded()):
+    return
+
   self.moduleLoaded = true
   self.delegate.mainDidLoad()
 
@@ -696,6 +707,9 @@ method nodeSectionDidLoad*[T](self: Module[T]) =
 method networksModuleDidLoad*[T](self: Module[T]) =
   self.checkIfModuleDidLoad()
 
+method networkConnectionModuleDidLoad*[T](self: Module[T]) =
+  self.checkIfModuleDidLoad()
+
 method viewDidLoad*[T](self: Module[T]) =
   self.checkIfModuleDidLoad()
 

src/app/modules/main/network_connection/controller.nim

@@ -0,0 +1,42 @@
+import NimQml
+
+import ./io_interface
+import ../../../core/eventemitter
+import ../../../../app_service/service/network_connection/service as network_connection_service
+import ../../../../app_service/service/node/service as node_service
+
+type
+  Controller* = ref object of RootObj
+    delegate: io_interface.AccessInterface
+    events: EventEmitter
+    networkConnectionService: network_connection_service.Service
+
+proc newController*(
+  delegate: io_interface.AccessInterface,
+  events: EventEmitter,
+  networkConnectionService: network_connection_service.Service
+): Controller =
+  result = Controller()
+  result.delegate = delegate
+  result.events = events
+  result.networkConnectionService = networkConnectionService
+
+proc delete*(self: Controller) =
+  discard
+
+proc init*(self: Controller) =
+  self.events.on(SIGNAL_CONNECTION_UPDATE) do(e:Args):
+    let args = NetworkConnectionsArgs(e)
+    self.delegate.networkConnectionStatusUpdate(args.website, args.completelyDown, ord(args.connectionState), args.chainIds, args.lastCheckedAt, args.timeToAutoRetryInSecs, args.withCache)
+
+  self.events.on(SIGNAL_NETWORK_CONNECTED) do(e: Args):
+    self.networkConnectionService.networkConnected()
+
+proc refreshBlockchainValues*(self: Controller) =
+  self.networkConnectionService.blockchainsRetry()
+
+proc refreshMarketValues*(self: Controller) =
+  self.networkConnectionService.marketRetry()
+
+proc refreshCollectiblesValues*(self: Controller) =
+  self.networkConnectionService.collectiblesRetry()

src/app/modules/main/network_connection/io_interface.nim

@@ -0,0 +1,32 @@
+import NimQml
+
+type
+  AccessInterface* {.pure inheritable.} = ref object of RootObj
+  ## Abstract class for any input/interaction with this module.
+
+method delete*(self: AccessInterface) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method load*(self: AccessInterface) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method isLoaded*(self: AccessInterface): bool {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+# View Delegate Interface
+# Delegate for the view must be declared here due to use of QtObject and multi
+# inheritance, which is not well supported in Nim.
+method viewDidLoad*(self: AccessInterface) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method networkConnectionStatusUpdate*(self: AccessInterface, website: string, completelyDown: bool, connectionState: int, chainIds: string, lastCheckedAt: int, timeToAutoRetryInSecs: int, withCache: bool) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method refreshBlockchainValues*(self: AccessInterface)  {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method refreshMarketValues*(self: AccessInterface)  {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method refreshCollectiblesValues*(self: AccessInterface)  {.base.} =
+  raise newException(ValueError, "No implementation available")

src/app/modules/main/network_connection/module.nim

@@ -0,0 +1,62 @@
+import NimQml
+
+import io_interface, view, controller
+import ../io_interface as delegate_interface
+import ../../../global/global_singleton
+import ../../../core/eventemitter
+import ../../../../app_service/service/network_connection/service as network_connection_service
+
+export io_interface
+
+type
+  Module* = ref object of io_interface.AccessInterface
+    delegate: delegate_interface.AccessInterface
+    view: View
+    viewVariant: QVariant
+    controller: Controller
+    moduleLoaded: bool
+
+proc newModule*(
+  delegate: delegate_interface.AccessInterface,
+  events: EventEmitter,
+  networkConnectionService: network_connection_service.Service,
+): Module =
+  result = Module()
+  result.delegate = delegate
+  result.view = view.newView(result)
+  result.viewVariant = newQVariant(result.view)
+  result.controller = controller.newController(result, events, networkConnectionService)
+  result.moduleLoaded = false
+
+  singletonInstance.engine.setRootContextProperty("networkConnectionModule", result.viewVariant)
+
+method delete*(self: Module) =
+  self.view.delete
+  self.viewVariant.delete
+  self.controller.delete
+
+method load*(self: Module) =
+  self.controller.init()
+  self.view.load()
+
+method isLoaded*(self: Module): bool =
+  return self.moduleLoaded
+
+proc checkIfModuleDidLoad(self: Module) =
+  self.moduleLoaded = true
+  self.delegate.networkConnectionModuleDidLoad()
+
+method viewDidLoad*(self: Module) =
+  self.checkIfModuleDidLoad()
+
+method networkConnectionStatusUpdate*(self: Module, website: string, completelyDown: bool, connectionState: int, chainIds: string, lastCheckedAt: int, timeToAutoRetryInSecs: int, withCache: bool) =
+  self.view.networkConnectionStatusUpdate(website, completelyDown, connectionState, chainIds, lastCheckedAt, timeToAutoRetryInSecs, withCache)
+
+method refreshBlockchainValues*(self: Module) =
+  self.controller.refreshBlockchainValues()
+
+method refreshMarketValues*(self: Module) =
+  self.controller.refreshMarketValues()
+
+method refreshCollectiblesValues*(self: Module) =
+  self.controller.refreshCollectiblesValues()

src/app/modules/main/network_connection/view.nim

@@ -0,0 +1,34 @@
+import NimQml
+
+import ./io_interface
+
+QtObject:
+  type
+    View* = ref object of QObject
+      delegate: io_interface.AccessInterface
+
+  proc setup(self: View) =
+    self.QObject.setup
+
+  proc delete*(self: View) =
+    self.QObject.delete
+
+  proc newView*(delegate: io_interface.AccessInterface): View =
+    new(result, delete)
+    result.delegate = delegate
+    result.setup()
+
+  proc load*(self: View) =
+    self.delegate.viewDidLoad()
+
+  proc networkConnectionStatusUpdate*(self: View, website: string, completelyDown: bool, connectionState: int, chainIds: string, lastCheckedAt: int, timeToAutoRetryInSecs: int, withCache: bool) {.signal.}
+
+  proc refreshBlockchainValues*(self: View) {.slot.} =
+    self.delegate.refreshBlockchainValues()
+
+  proc refreshMarketValues*(self: View) {.slot.} =
+    self.delegate.refreshMarketValues()
+
+  proc refreshCollectiblesValues*(self: View) {.slot.} =
+    self.delegate.refreshCollectiblesValues()
+

src/app/modules/main/wallet_section/collectibles/controller.nim

@@ -3,6 +3,7 @@ import io_interface
 import ../../../../../app_service/service/collectible/service as collectible_service
 import ../../../../../app_service/service/wallet_account/service as wallet_account_service
 import ../../../../../app_service/service/network/service as network_service
+import ../../../../../app_service/service/network_connection/service as network_connection_service
 import ../../../../core/eventemitter
 
 type
@@ -50,6 +51,12 @@ proc init*(self: Controller) =
     let args = OwnedCollectiblesUpdateArgs(e)
     self.refreshCollectibles(args.chainId, args.address)
 
+  self.events.on(SIGNAL_REFRESH_COLLECTIBLES) do(e:Args):
+    let args = RetryCollectibleArgs(e)
+    let chainId = self.networkService.getNetworkForCollectibles().chainId
+    for address in args.addresses:
+      self.refreshCollectibles(chainId, address)
+
 proc getWalletAccount*(self: Controller, accountIndex: int): wallet_account_service.WalletAccountDto =
   return self.walletAccountService.getWalletAccount(accountIndex)
 

src/app_service/service/collectible/service.nim

@@ -155,6 +155,14 @@ QtObject:
         of "wallet-tick-reload":
           self.resetAllOwnedCollectibles()
 
+  # needs to be re-written once cache for colletibles works
+  proc areCollectionsLoaded*(self: Service): bool =
+    for chainId, adressesData in self.ownershipData:
+      for address, collectionsData in adressesData:
+        if collectionsData.allLoaded:
+          return true
+    return false
+
   proc prepareOwnershipData(self: Service, chainId: int, address: string) =
     if not self.accountsOwnershipData.hasKey(chainId):
       self.accountsOwnershipData[chainId] = newAddressesData()
@@ -428,4 +436,4 @@ QtObject:
   proc resetAllOwnedCollectibles*(self: Service) =
     for chainId, addressesData in self.accountsOwnershipData:
       for address, _ in addressesData:
-        self.resetOwnedCollectibles(chainId, address)
+        self.resetOwnedCollectibles(chainId, address)

src/app_service/service/network_connection/service.nim

@@ -0,0 +1,265 @@
+import NimQml, chronicles, Tables, strutils, sequtils, sugar, strformat, json
+
+import ../../../app/global/global_singleton
+import ../../../app/core/eventemitter
+import ../../../app/core/signals/types
+
+import ../collectible/service as collectible_service
+import ../wallet_account/service as wallet_service
+import ../network/service as network_service
+import ../node/service as node_service
+import ../../../backend/backend as backend
+
+logScope:
+  topics = "network-connection-service"
+
+type ConnectionState* {.pure.} = enum
+  Successful = 0,
+  Failed = 1,
+  Retrying = 2
+
+type ConnectionStatus* = ref object of RootObj
+    connectionState*: ConnectionState
+    completelyDown*: bool
+    chainIds*: seq[int]
+    lastCheckedAt*: int
+    timeToAutoRetryInSecs*: int
+    timer*: QTimer
+    withCache*: bool
+
+const SIGNAL_CONNECTION_UPDATE* = "signalConnectionUpdate"
+const SIGNAL_REFRESH_COLLECTIBLES* = "signalRefreshCollectibles"
+
+type NetworkConnectionsArgs* = ref object of Args
+  website*: string
+  completelyDown*: bool
+  connectionState*: ConnectionState
+  chainIds*: string
+  lastCheckedAt*: int
+  timeToAutoRetryInSecs*: int
+  withCache*: bool
+
+type RetryCollectibleArgs* = ref object of Args
+   addresses*: seq[string]
+
+const BLOCKCHAINS* = "blockchains"
+const MARKET* = "market"
+const COLLECTIBLES* = "collectibles"
+const BACKOFF_TIMERS* = [30, 60, 180, 600, 3600, 10800]
+
+include  ../../common/json_utils
+
+proc newConnectionStatus(): ConnectionStatus =
+  return ConnectionStatus(
+    connectionState: ConnectionState.Successful,
+    completelyDown: false,
+    chainIds: @[],
+    lastCheckedAt: 0,
+    timeToAutoRetryInSecs: BACKOFF_TIMERS[0],
+    timer: newQTimer(),
+    withCache: false
+  )
+
+QtObject:
+  type Service* = ref object of QObject
+    closingApp: bool
+    events: EventEmitter
+    walletService: wallet_service.Service
+    networkService: network_service.Service
+    collectibleService: collectible_service.Service
+    nodeService: node_service.Service
+    connectionStatus: Table[string, ConnectionStatus]
+
+  # Forward declaration
+  proc checkConnected(self: Service)
+
+  proc delete*(self: Service) =
+    self.closingApp = true
+    self.QObject.delete
+
+  proc newService*(
+    events: EventEmitter,
+    walletService: wallet_service.Service,
+    networkService: network_service.Service,
+    collectibleService: collectible_service.Service,
+    nodeService: node_service.Service,
+  ): Service =
+    new(result, delete)
+    result.QObject.setup
+    result.closingApp = false
+    result.events = events
+    result.walletService = walletService
+    result.networkService = networkService
+    result.collectibleService = collectibleService
+    result.nodeService = nodeService
+    result.connectionStatus = {BLOCKCHAINS: newConnectionStatus(),
+                                MARKET: newConnectionStatus(),
+                                COLLECTIBLES: newConnectionStatus()}.toTable
+
+  proc init*(self: Service) =
+    self.events.on(SignalType.Wallet.event) do(e:Args):
+      var data = WalletSignal(e)
+      case data.eventType:
+        of "wallet-tick-check-connected":
+          self.checkConnected()
+
+  proc getFormattedStringForChainIds(self: Service, chainIds: seq[int]): string =
+    var result: string = ""
+    for chainId in chainIds:
+      if result.isEmptyOrWhitespace:
+        result = $chainId
+      else:
+        result = result & ";" & $chainId
+    return result
+
+  proc convertConnectionStatusToNetworkConnectionsArgs(self: Service, website: string, connectionStatus: ConnectionStatus): NetworkConnectionsArgs =
+    result = NetworkConnectionsArgs(
+      website: website,
+      completelyDown: connectionStatus.completelyDown,
+      connectionState: connectionStatus.connectionState,
+      chainIds: self.getFormattedStringForChainIds(connectionStatus.chainIds),
+      lastCheckedAt: connectionStatus.lastCheckedAt,
+      timeToAutoRetryInSecs: connectionStatus.timeToAutoRetryInSecs,
+      withCache: connectionStatus.withCache
+      )
+
+  proc blockchainsRetry*(self: Service) {.slot.} =
+    if(self.connectionStatus.hasKey(BLOCKCHAINS)):
+      self.connectionStatus[BLOCKCHAINS].timer.stop()
+      self.connectionStatus[BLOCKCHAINS].connectionState = ConnectionState.Retrying
+      self.events.emit(SIGNAL_CONNECTION_UPDATE, self.convertConnectionStatusToNetworkConnectionsArgs(BLOCKCHAINS, self.connectionStatus[BLOCKCHAINS]))
+      self.walletService.reloadAccountTokens()
+
+  proc marketRetry*(self: Service) {.slot.} =
+    if(self.connectionStatus.hasKey(MARKET)):
+      self.connectionStatus[MARKET].timer.stop()
+      self.connectionStatus[MARKET].connectionState = ConnectionState.Retrying
+      self.events.emit(SIGNAL_CONNECTION_UPDATE, self.convertConnectionStatusToNetworkConnectionsArgs(MARKET, self.connectionStatus[MARKET]))
+      self.walletService.reloadAccountTokens()
+
+  proc collectiblesRetry*(self: Service) {.slot.} =
+    if(self.connectionStatus.hasKey(COLLECTIBLES)):
+      self.connectionStatus[COLLECTIBLES].timer.stop()
+      self.connectionStatus[COLLECTIBLES].connectionState = ConnectionState.Retrying
+      self.events.emit(SIGNAL_CONNECTION_UPDATE, self.convertConnectionStatusToNetworkConnectionsArgs(COLLECTIBLES, self.connectionStatus[COLLECTIBLES]))
+      self.events.emit(SIGNAL_REFRESH_COLLECTIBLES, RetryCollectibleArgs(addresses: self.walletService.getAddresses()))
+
+  # needs to be re-written once cache for market, blockchain and collectibles is implemented
+  proc hasCache(self: Service,  website: string): bool =
+      case website:
+        of BLOCKCHAINS:
+          return self.walletService.hasCache()
+        of MARKET:
+          return self.walletService.hasCache()
+        of COLLECTIBLES:
+          return self.collectibleService.areCollectionsLoaded()
+
+  proc checkStatus(self: Service, status: JsonNode, website: string) =
+    var allDown: bool = true
+    var lastCheckedAt: int = 0
+    var chaindIdsDown: seq[int] = @[]
+
+    # checking only for networks currently active (for test net only testnet networks etc...)
+    let currentChainIds = self.networkService.getNetworks().map(a => a.chainId)
+    for chainId, state in status:
+      if state["up"].getBool:
+        allDown = false
+      # only add chains that belong to the test node or not based on current user setting
+      if currentChainIds.contains(chainId.parseInt):
+        lastCheckedAt = state["lastCheckedAt"].getInt
+        if not state["up"].getBool:
+          chaindIdsDown.add(chainId.parseInt)
+
+    if self.connectionStatus.hasKey(website):
+      self.connectionStatus[website].withCache = self.hasCache(website)
+      # if all the networks are down for the website
+      if allDown:
+        if not self.connectionStatus[website].timer.isActive():
+          var backOffTimer: int = self.connectionStatus[website].timeToAutoRetryInSecs
+
+          # if all the networks are down for the website after a retry increment the backoff timer
+          if self.connectionStatus[website].completelyDown and self.connectionStatus[website].connectionState == ConnectionState.Retrying:
+            let index = BACKOFF_TIMERS.find(self.connectionStatus[website].timeToAutoRetryInSecs)
+            if index != -1 and index < BACKOFF_TIMERS.len:
+              backOffTimer = BACKOFF_TIMERS[index + 1]
+
+          self.connectionStatus[website].connectionState = ConnectionState.Failed
+          self.connectionStatus[website].completelyDown = true
+          self.connectionStatus[website].lastCheckedAt = lastCheckedAt
+          self.connectionStatus[website].timeToAutoRetryInSecs = backOffTimer
+          self.connectionStatus[website].chainIds = chaindIdsDown
+          signalConnect(self.connectionStatus[website].timer, "timeout()", self, website&"Retry()", 2)
+          self.connectionStatus[website].timer.setInterval(backOffTimer*1000)
+          self.connectionStatus[website].timer.start()
+
+          self.events.emit(SIGNAL_CONNECTION_UPDATE, self.convertConnectionStatusToNetworkConnectionsArgs(website, self.connectionStatus[website]))
+
+      # if all the networks are not down for the website
+      else:
+        # case where a down website is back up
+        if self.connectionStatus[website].completelyDown or (chaindIdsDown.len == 0 and self.connectionStatus[website].chainIds.len != 0):
+          self.connectionStatus[website] = newConnectionStatus()
+          self.events.emit(SIGNAL_CONNECTION_UPDATE, self.convertConnectionStatusToNetworkConnectionsArgs(website, self.connectionStatus[website]))
+
+        # case where a some of networks on the website are down
+        if chaindIdsDown.len > 0:
+          var backOffTimer: int = self.connectionStatus[website].timeToAutoRetryInSecs
+          if self.connectionStatus[website].connectionState == ConnectionState.Retrying:
+            let index = BACKOFF_TIMERS.find(self.connectionStatus[website].timeToAutoRetryInSecs)
+            if index != -1 and index < BACKOFF_TIMERS.len:
+              backOffTimer = BACKOFF_TIMERS[index + 1]
+
+          self.connectionStatus[website].completelyDown = false
+          self.connectionStatus[website].chainIds = chaindIdsDown
+          self.connectionStatus[website].timeToAutoRetryInSecs = backOffTimer
+          self.connectionStatus[website].connectionState = ConnectionState.Failed
+          self.connectionStatus[website].lastCheckedAt = lastCheckedAt
+          signalConnect(self.connectionStatus[website].timer, "timeout()", self, website&"Retry()", 2)
+          self.connectionStatus[website].timer.setInterval(self.connectionStatus[website].timeToAutoRetryInSecs*1000)
+          self.connectionStatus[website].timer.start()
+
+          self.events.emit(SIGNAL_CONNECTION_UPDATE, self.convertConnectionStatusToNetworkConnectionsArgs(website, self.connectionStatus[website]))
+
+  proc checkMarketStatus(self: Service, status: JsonNode, website: string) =
+    if self.connectionStatus.hasKey(website):
+      self.connectionStatus[website].withCache = self.hasCache(website)
+      if not status["up"].getBool:
+        if not self.connectionStatus[website].timer.isActive():
+          var backOffTimer: int = self.connectionStatus[website].timeToAutoRetryInSecs
+          if self.connectionStatus[website].connectionState == ConnectionState.Retrying:
+            let index = BACKOFF_TIMERS.find(self.connectionStatus[website].timeToAutoRetryInSecs)
+            if index != -1 and index < BACKOFF_TIMERS.len:
+              backOffTimer = BACKOFF_TIMERS[index + 1]
+
+          self.connectionStatus[website].completelyDown = true
+          self.connectionStatus[website].connectionState = ConnectionState.Failed
+          self.connectionStatus[website].timeToAutoRetryInSecs = backOffTimer
+          self.connectionStatus[website].lastCheckedAt = status["lastCheckedAt"].getInt
+          signalConnect(self.connectionStatus[website].timer, "timeout()", self, website&"Retry()", 2)
+          self.connectionStatus[website].timer.setInterval(self.connectionStatus[website].timeToAutoRetryInSecs*1000)
+          self.connectionStatus[website].timer.start()
+          self.events.emit(SIGNAL_CONNECTION_UPDATE,self.convertConnectionStatusToNetworkConnectionsArgs(website, self.connectionStatus[website]))
+      else:
+        # site was completely down and is back up now
+        if self.connectionStatus[website].completelyDown:
+          self.connectionStatus[website] = newConnectionStatus()
+          self.events.emit(SIGNAL_CONNECTION_UPDATE, self.convertConnectionStatusToNetworkConnectionsArgs(website, self.connectionStatus[website]))
+
+  proc checkConnected(self: Service) =
+    if(not singletonInstance.localAccountSensitiveSettings.getIsWalletEnabled()):
+      return
+
+    try:
+      if self.nodeService.isConnected():
+        let response = backend.checkConnected()
+        self.checkStatus(response.result[BLOCKCHAINS], BLOCKCHAINS)
+        self.checkStatus(response.result[COLLECTIBLES], COLLECTIBLES)
+        self.checkMarketStatus(response.result[MARKET], MARKET)
+    except Exception as e:
+      let errDescription = e.msg
+      error "error: ", errDescription
+      return
+
+  proc networkConnected*(self: Service) =
+    self.walletService.reloadAccountTokens()
+    self.events.emit(SIGNAL_REFRESH_COLLECTIBLES, RetryCollectibleArgs(addresses: self.walletService.getAddresses()))

src/app_service/service/wallet_account/service.nim

@@ -125,7 +125,6 @@ QtObject:
   # Forward declaration
   proc buildAllTokens(self: Service, accounts: seq[string], store: bool)
   proc checkRecentHistory*(self: Service)
-  proc checkConnected(self: Service)
   proc startWallet(self: Service)
   proc handleKeycardActions(self: Service, keycardActions: seq[KeycardActionDto])
   proc handleKeycardsState(self: Service, keycardsState: seq[KeyPairDto])
@@ -217,7 +216,7 @@ QtObject:
     withLock self.walletAccountsLock:
       result = toSeq(self.walletAccounts.values)
 
-  proc getAddresses(self: Service): seq[string] =
+  proc getAddresses*(self: Service): seq[string] =
     withLock self.walletAccountsLock:
       result = toSeq(self.walletAccounts.keys())
 
@@ -253,8 +252,10 @@ QtObject:
         of "wallet-tick-reload":
           self.buildAllTokens(self.getAddresses(), store = true)
           self.checkRecentHistory()
-        of "wallet-tick-check-connected":
-          self.checkConnected()
+
+  proc reloadAccountTokens*(self: Service) =
+    self.buildAllTokens(self.getAddresses(), store = true)
+    self.checkRecentHistory()
 
   proc getWalletAccount*(self: Service, accountIndex: int): WalletAccountDto =
     let accounts = self.getWalletAccounts()
@@ -274,19 +275,6 @@ QtObject:
 
     discard backend.startWallet()
 
-  proc checkConnected(self: Service) =
-    if(not main_constants.WALLET_ENABLED):
-      return
-
-    try:
-      # TODO: add event for UI (Waiting for design)
-      discard backend.checkConnected()
-    except Exception as e:
-      let errDescription = e.msg
-      error "error: ", errDescription
-      return
-
-
   proc checkRecentHistory*(self: Service) =
     if(not main_constants.WALLET_ENABLED):
       return
@@ -855,3 +843,11 @@ QtObject:
             totalTokenBalance += token.getTotalBalanceOfSupportedChains()
 
     return totalTokenBalance
+
+  # needs to be re-written once cache for market, blockchain and collectibles is implemented
+  proc hasCache*(self: Service): bool =
+    withLock self.walletAccountsLock:
+      for address, accountDto in self.walletAccounts:
+        if self.walletAccounts[address].tokens.len > 0:
+          return true
+    return false

ui/app/AppLayouts/stores/RootStore.qml

@@ -156,4 +156,29 @@ QtObject {
     function resolveENS(value) {
         mainModuleInst.resolveENS(value, "")
     }
+
+    property var networkConnectionModuleInst: networkConnectionModule
+
+    function getChainIdsJointString(chainIdsDown) {
+        let jointChainIdString = ""
+        for (const chain of chainIdsDown) {
+            jointChainIdString = (!!jointChainIdString) ? jointChainIdString + " & " : jointChainIdString
+            jointChainIdString += allNetworks.getNetworkFullName(parseInt(chain))
+        }
+        return jointChainIdString
+    }
+
+    function retryConnection(websiteDown) {
+        switch(websiteDown) {
+        case Constants.walletConnections.blockchains:
+            networkConnectionModule.refreshBlockchainValues()
+            break
+        case Constants.walletConnections.market:
+            networkConnectionModule.refreshMarketValues()
+            break
+        case Constants.walletConnections.collectibles:
+            networkConnectionModule.refreshCollectiblesValues()
+            break
+        }
+    }
 }

ui/app/mainui/AppMain.qml

@@ -602,7 +602,7 @@ Item {
 
                         objectName: "connectionInfoBanner"
                         Layout.fillWidth: true
-                        text: isConnected ? qsTr("Connected") : qsTr("Disconnected")
+                        text: isConnected ? qsTr("You are back online") : qsTr("Internet connection lost. Reconnect to ensure everything is up to date.")
                         type: isConnected ? ModuleWarning.Success : ModuleWarning.Danger
 
                         function updateState() {
@@ -676,6 +676,105 @@ Item {
                         }
                     }
                 }
+
+                ConnectionWarnings {
+                    id: walletBlockchainConnectionBanner
+                    objectName: "walletBlockchainConnectionBanner"
+                    readonly property string jointChainIdString: appMain.rootStore.getChainIdsJointString(chainIdsDown)
+                    Layout.fillWidth: true
+                    websiteDown: Constants.walletConnections.blockchains
+                    text: {
+                        switch(connectionState) {
+                        case Constants.ConnectionStatus.Success:
+                            return qsTr("Pocket Network (POKT) connection successful")
+                        case Constants.ConnectionStatus.Failure:
+                            if(completelyDown) {
+                                updateTimer.restart()
+                                if(withCache)
+                                    return qsTr("POKT & Infura down. Token balances are as of %1. Retrying in %2.").arg(lastCheckedAt).arg(Utils.getTimerString(autoTryTimerInSecs))
+                                else
+                                    return qsTr("POKT & Infura down. Token balances cannot be retrieved. Retrying in %1.").arg(Utils.getTimerString(autoTryTimerInSecs))
+                            }
+                            else if(chainIdsDown.length > 0) {
+                                updateTimer.restart()
+                                if(chainIdsDown.length > 2) {
+                                    return qsTr("POKT & Infura down for <a href='#'>multiple chains </a>. Token balances for those chains cannot be retrieved. Retrying in %1.").arg(Utils.getTimerString(autoTryTimerInSecs))
+                                }
+                                else if(chainIdsDown.length === 1) {
+                                    return qsTr("POKT & Infura down for %1. %1 token balances are as of %2. Retrying in %3.").arg(jointChainIdString).arg(lastCheckedAt).arg(Utils.getTimerString(autoTryTimerInSecs))
+                                }
+                                else {
+                                    return qsTr("POKT & Infura down for %1. %1 token balances cannot be retrieved. Retrying in %2.").arg(jointChainIdString).arg(Utils.getTimerString(autoTryTimerInSecs))
+                                }
+                            }
+                            else
+                                return ""
+                        case Constants.ConnectionStatus.Retrying:
+                            return qsTr("Retrying connection to Pocket Network (POKT).")
+                        default:
+                            return ""
+                        }
+                    }
+                    onLinkActivated: {
+                        let tootipMessage = qsTr("Pocket Network (POKT) & Infura are currently both unavailable for %1. Balances for those chains are as of %2.").arg(jointChainIdString).arg(lastCheckedAt)
+                        toolTip.show(tootipMessage, 3000)
+                    }
+
+                    StatusToolTip {
+                        id: toolTip
+                        orientation: StatusToolTip.Orientation.Bottom
+                    }
+                }
+
+                ConnectionWarnings {
+                    id: walletCollectiblesConnectionBanner
+                    objectName: "walletCollectiblesConnectionBanner"
+                    Layout.fillWidth: true
+                    websiteDown: Constants.walletConnections.collectibles
+                    text: {
+                        switch(connectionState) {
+                        case Constants.ConnectionStatus.Success:
+                            return qsTr("Opensea connection successful")
+                        case Constants.ConnectionStatus.Failure:
+                            updateTimer.restart()
+                            if(withCache){
+                                return qsTr("Opensea down. Collectibles are as of %1. Retrying in %2.").arg(lastCheckedAt).arg(Utils.getTimerString(autoTryTimerInSecs))
+                            }
+                            else {
+                                return qsTr("Opensea down. Retrying in %1.").arg(Utils.getTimerString(autoTryTimerInSecs))
+                            }
+                        case Constants.ConnectionStatus.Retrying:
+                            return qsTr("Retrying connection to Opensea...")
+                        default:
+                            return ""
+                        }
+                    }
+                }
+
+
+                ConnectionWarnings {
+                    id: walletMarketConnectionBanner
+                    objectName: "walletMarketConnectionBanner"
+                    Layout.fillWidth: true
+                    websiteDown: Constants.walletConnections.market
+                    text: {
+                        switch(connectionState) {
+                        case Constants.ConnectionStatus.Success:
+                            return qsTr("CryptoCompare and CoinGecko connection successful")
+                        case Constants.ConnectionStatus.Failure: {
+                            updateTimer.restart()
+                            if(withCache) {
+                                return qsTr("CryptoCompare and CoinGecko down. Market values are as of %1. Retrying in %2.").arg(lastCheckedAt).arg(Utils.getTimerString(autoTryTimerInSecs))
+                            }
+                            else {
+                                return qsTr("CryptoCompare and CoinGecko down. Market values cannot be retrieved. Trying again in %1.").arg(Utils.getTimerString(autoTryTimerInSecs))
+                            }
+                        }
+                        case Constants.ConnectionStatus.Retrying:
+                            return qsTr("Retrying connection to CryptoCompare and CoinGecko...")
+                        }
+                    }
+                }
             }
 
             Item {

ui/imports/shared/panels/ConnectionWarnings.qml

@@ -0,0 +1,57 @@
+import QtQuick 2.14
+
+import StatusQ.Core 0.1
+
+import utils 1.0
+
+ModuleWarning {
+    id: root
+
+    property string websiteDown
+    property int connectionState: -1
+    property int autoTryTimerInSecs: 0
+    property var chainIdsDown: []
+    property bool completelyDown: false
+    property string lastCheckedAt
+    property bool withCache: false
+    property Timer updateTimer: Timer {
+        interval: 1000
+        repeat: true
+        onTriggered: {
+            if (root.autoTryTimerInSecs === 0) {
+                stop()
+                return
+            }
+            root.autoTryTimerInSecs =  root.autoTryTimerInSecs - 1
+        }
+    }
+
+    function updateBanner() {
+        hide()
+        if (connectionState === Constants.ConnectionStatus.Failure)
+            show()
+        else
+            showFor(3000)
+    }
+
+    type: connectionState === Constants.ConnectionStatus.Success ? ModuleWarning.Success : ModuleWarning.Danger
+    buttonText: connectionState === Constants.ConnectionStatus.Failure ? qsTr("Retry now") : ""
+
+    onClicked: appMain.rootStore.retryConnection(websiteDown)
+    onCloseClicked: hide()
+
+    Connections {
+        target: appMain.rootStore.networkConnectionModuleInst
+        function onNetworkConnectionStatusUpdate(website: string, completelyDown: bool, connectionState: int, chainIds: string, lastCheckedAt: int, timeToAutoRetryInSecs: int, withCache: bool)  {
+            if (website === websiteDown) {
+                root.connectionState = connectionState
+                root.autoTryTimerInSecs = timeToAutoRetryInSecs
+                root.chainIdsDown = chainIds.split(";")
+                root.completelyDown = completelyDown
+                root.withCache = withCache
+                root.lastCheckedAt = LocaleUtils.formatDateTime(new Date(lastCheckedAt*1000))
+                root.updateBanner()
+            }
+        }
+    }
+}

ui/imports/shared/panels/qmldir

@@ -22,4 +22,5 @@ EditCroppedImagePanel 1.0 EditCroppedImagePanel.qml
 NoImageUploadedPanel 1.0 NoImageUploadedPanel.qml
 StatusAssetSelector 1.0 StatusAssetSelector.qml
 AcceptRejectOptionsButtonsPanel 1.0 AcceptRejectOptionsButtonsPanel.qml
-DidYouKnowSplashScreen 1.0 DidYouKnowSplashScreen.qml
+DidYouKnowSplashScreen 1.0 DidYouKnowSplashScreen.qml
+ConnectionWarnings 1.0 ConnectionWarnings.qml

ui/imports/utils/Constants.qml

@@ -676,6 +676,19 @@ QtObject {
     readonly property string seedWalletType: "seed"
     readonly property string generatedWalletType: "generated"
 
+
+    readonly property QtObject walletConnections: QtObject {
+        readonly property string collectibles: "collectibles"
+        readonly property string blockchains: "blockchains"
+        readonly property string market: "market"
+    }
+
+    enum ConnectionStatus {
+        Success = 0,
+        Failure = 1,
+        Retrying = 2
+    }
+
     readonly property string dummyText: "Dummy"
     readonly property int dummyModelItems: 25
 

ui/imports/utils/Utils.qml

@@ -603,6 +603,20 @@ QtObject {
             return 34
     }
 
+    function getTimerString(timeInSecs) {
+        let result = ""
+        const hour = Math.floor(timeInSecs/60/60)
+        const mins = Math.floor(timeInSecs/60)
+        const secs = Math.floor(timeInSecs%60)
+        if(hour > 0 )
+            result += qsTr(" %n hour(s) ", "", hour)
+        if(mins > 0)
+            result += qsTr(" %n min(s) ", "", mins)
+        if(secs > 0)
+            result += qsTr(" %n sec(s) ", "", secs)
+        return result
+    }
+
     // Leave this function at the bottom of the file as QT Creator messes up the code color after this
     function isPunct(c) {
         return /(!|\@|#|\$|%|\^|&|\*|\(|\)|\+|\||-|=|\\|{|}|[|]|"|;|'|<|>|\?|,|\.|\/)/.test(c)

vendor/status-go

@@ -1 +1 @@
-Subproject commit 7bc03e22f724408cf8ac14117915f72ef7888d88
+Subproject commit a3f1a84d291749d32408f340d331877555cee5c1