Prevent importing from mnemonic when offline

.changelog/2061.bugfix.md

@@ -0,0 +1 @@
+Prevent importing from mnemonic when offline

src/app/components/TransactionModal/index.tsx

@@ -4,7 +4,7 @@ import { selectChainContext } from 'app/state/network/selectors'
 import { transactionActions } from 'app/state/transaction'
 import { selectTransaction } from 'app/state/transaction/selectors'
 import { TransactionStep } from 'app/state/transaction/types'
-import { selectAddress, selectBalance } from 'app/state/wallet/selectors'
+import { selectAddress } from 'app/state/wallet/selectors'
 import { Box } from 'grommet/es6/components/Box'
 import { Button } from 'grommet/es6/components/Button'
 import { Spinner } from 'grommet/es6/components/Spinner'
@@ -45,14 +45,9 @@ export function TransactionModal() {
   const { t } = useTranslation()
   const { preview, step } = useSelector(selectTransaction)
   const walletAddress = useSelector(selectAddress)
-  const balance = useSelector(selectBalance)
   const chainContext = useSelector(selectChainContext)
   const isMobile = useContext(ResponsiveContext) === 'small'
 
-  if (!balance) {
-    throw new Error('No balance found for wallet')
-  }
-
   const dispatch = useDispatch()
 
   const abortTransaction = () => {

src/app/state/importaccounts/saga.ts

@@ -119,7 +119,6 @@ function* enumerateAccountsFromMnemonic(action: PayloadAction<string>) {
     }
     yield* put(importAccountsActions.accountsListed(wallets))
     yield* setStep(ImportAccountsStep.Idle)
-    yield* ensureAllBalancesArePresentOnCurrentPage()
   } catch (e: any) {
     let payload: ErrorPayload
     if (e instanceof WalletError) {
@@ -130,6 +129,7 @@ function* enumerateAccountsFromMnemonic(action: PayloadAction<string>) {
 
     yield* put(importAccountsActions.operationFailed(payload))
   }
+  yield* ensureAllBalancesArePresentOnCurrentPage()
 }
 
 function* fetchBalanceForAccount(account: ImportAccountsListAccount) {

src/app/state/transaction/saga.ts

@@ -323,7 +323,7 @@ function assertValidAddress(address: string) {
 function* assertSufficientBalance(amount: bigint) {
   const wallet = yield* select(selectActiveWallet)
   // If balance is missing, allow this to pass. It's just more likely that transaction will fail after submitting.
-  if (wallet?.balance.available == null) return
+  if (wallet?.balance?.available == null) return
 
   const balance = BigInt(wallet.balance.available)
   if (amount > balance) {

src/app/state/wallet/index.ts

@@ -47,8 +47,11 @@ export const walletSlice = createSlice({
       // - Refactor redux-state-sync to ignore actions until tab2 receives
       //   synced state. But tab1 needs to listen to actions too, even tho it
       //   never asks for synced state.
-      if (state.wallets[action.payload.address]?.balance) {
-        Object.assign(state.wallets[action.payload.address].balance, action.payload.balance)
+      if (state.wallets[action.payload.address]) {
+        state.wallets[action.payload.address].balance = {
+          ...state.wallets[action.payload.address].balance,
+          ...action.payload.balance,
+        }
       }
     },
     walletOpened(state, action: PayloadAction<Wallet>) {

src/app/state/wallet/saga.ts

@@ -91,7 +91,7 @@ export function* openWalletFromMnemonic({ payload }: PayloadAction<OpenSelectedA
   for (const account of accounts) {
     yield* call(addWallet, {
       address: account.address,
-      balance: account.balance!,
+      balance: account.balance!, // should be defined due to ensureAllBalancesArePresentOnCurrentPage
       path: account.path,
       pathDisplay: account.pathDisplay,
       privateKey: account.privateKey,