cw-1584-ironwood-migration-modal (#3481)

* ironwood migration modal

* auto-show when migration begins

* remove restricted import

* new condition

* string fix

* only activate if ironwood is active

* reaction safeguards

* migration*

res/values/strings_en.arb

@@ -571,6 +571,7 @@
   "invalid_input": "Invalid input",
   "invalid_password": "Invalid password",
   "invoice_details": "Invoice details",
+  "is_currently_being_migrated": "is currently being migrated",
   "is_percentage": "is",
   "keys": "Keys",
   "label": "Label",
@@ -646,6 +647,7 @@
   "messages": "Messages",
   "method": "Method",
   "methods": "Methods",
+  "migrating_to_ironwood": "migrating to Ironwood",
   "min_amount": "Min: ${value}",
   "min_value": "Min: ${value} ${currency}",
   "mining": "Mining",
@@ -1476,5 +1478,9 @@
   "zcash_card_enable_later": "You can always enable this card later in settings",
   "zcash_card_missing_funds": "Missing funds?",
   "zcash_card_scan": "Scan",
-  "zcash_card_warning": "Do not close the app until the procedure completes, if you do so this process will need to restart from scratch."
+  "zcash_card_warning": "Do not close the app until the procedure completes, if you do so this process will need to restart from scratch.",
+  "zcash_network_upgrade": "Zcash Network Upgrade",
+  "zcash_network_upgrade_desc_1": "Zcash has undergone a network upgrade called Ironwood that requires migration of funds before they can be spent. This migration is automatic, privacy-preserving, and starts as soon as you open your Zcash wallet.",
+  "zcash_network_upgrade_desc_2": "When the migration finishes, your Available Balance will return to normal, and you can continue to send and receive Zcash as usual.",
+  "zcash_network_upgrade_desc_3": "Please allow your Zcash wallet to finishing syncing, and then leave the app open until migration finishes which can take a few minutes depending on the balance."
 }