fix(wallet): add support to import keypairs using a seed phrase (#20218)

* Add support to import keypairs by using a seed phrase with validation for existing keypairs.

src/status_im/contexts/wallet/add_account/create_account/events.cljs

@@ -40,9 +40,21 @@
 (rf/reg-event-fx :wallet/store-new-seed-phrase store-new-seed-phrase)
 
 (defn seed-phrase-validated
-  [{:keys [db]} [seed-phrase]]
-  {:db (assoc-in db [:wallet :ui :create-account :seed-phrase] seed-phrase)
-   :fx [[:dispatch [:navigate-to :screen/wallet.keypair-name]]]})
+  [{:keys [db]} [seed-phrase key-uid on-error]]
+  (let [keypair-already-added? (->> db
+                                    :wallet
+                                    :keypairs
+                                    (some #(= key-uid (:key-uid %))))]
+    (if keypair-already-added?
+      (do
+        (on-error)
+        {:fx [[:dispatch
+               [:toasts/upsert
+                {:id   :already-existing-keypair
+                 :type :negative
+                 :text "This keypair already exists in the device"}]]]})
+      {:db (assoc-in db [:wallet :ui :create-account :new-keypair :seed-phrase] seed-phrase)
+       :fx [[:dispatch [:navigate-to :screen/wallet.keypair-name {:workflow :recovery-phrase}]]]})))
 
 (rf/reg-event-fx :wallet/seed-phrase-validated seed-phrase-validated)
 
@@ -51,7 +63,7 @@
   {:fx [[:multiaccount/validate-mnemonic
          [seed-phrase
           (fn [mnemonic key-uid]
-            (rf/dispatch [:wallet/seed-phrase-validated mnemonic key-uid]))
+            (rf/dispatch [:wallet/seed-phrase-validated mnemonic key-uid on-error]))
           on-error]]]})
 
 (rf/reg-event-fx :wallet/seed-phrase-entered seed-phrase-entered)

src/status_im/contexts/wallet/add_account/create_account/key_pair_name/view.cljs

@@ -8,6 +8,7 @@
     [status-im.common.validation.general :as validators]
     [status-im.constants :as constants]
     [status-im.contexts.wallet.add-account.create-account.key-pair-name.style :as style]
+    [taoensso.timbre :as log]
     [utils.i18n :as i18n]
     [utils.re-frame :as rf]))
 
@@ -17,10 +18,25 @@
    :emoji        (i18n/label :t/key-name-error-emoji)
    :special-char (i18n/label :t/key-name-error-special-char)})
 
-(defn navigate-back
+(defn- navigate-back
   []
   (rf/dispatch [:navigate-back]))
 
+(defn- next-workflow-step
+  [workflow key-pair-name]
+  (case workflow
+    ;; TODO issue #19759. Implement creation account from private key
+    :import-private-key
+    (not-implemented/alert)
+
+    (:new-keypair :recovery-phrase)
+    (rf/dispatch [:wallet/generate-account-for-keypair
+                  {:keypair-name key-pair-name}])
+
+    (do
+      (log/error "Unknown workflow" workflow)
+      (js/alert "Unknown workflow"))))
+
 (defn view
   []
   (let [{:keys [workflow]}                (rf/sub [:get-screen-params])
@@ -45,17 +61,7 @@
 
                                                :else (set-error nil))))
         on-continue                       (rn/use-callback
-                                           (fn [_]
-                                             (case workflow
-                                               ;; TODO issue #19759. Implement creation account from
-                                               ;; private key
-                                               :import-private-key
-                                               (not-implemented/alert)
-
-                                               :new-keypair
-                                               (rf/dispatch [:wallet/generate-account-for-keypair
-                                                             {:keypair-name key-pair-name}])
-                                               (js/alert "Unknown workflow")))
+                                           #(next-workflow-step workflow key-pair-name)
                                            [workflow key-pair-name])
         disabled?                         (or (some? error) (string/blank? key-pair-name))]
     [rn/view {:style {:flex 1}}