[#21853] fix: unregister event listener after logout (#21873)

* [#21853] fix: check deeplink pending request after wallet connect loaded

* [#21853] fix: isolate the usage of pending deeplink url

* [#21853] fix: remove redundant check for web3 object

* [#21853] fix: unregister event listener after logout

* [#21853] fix: extract handler

src/react_native/wallet_connect.cljs

@@ -87,3 +87,11 @@
               event
               #(-> (bean/->clj %)
                    handler)))
+
+(defn unregister-handler
+  [{:keys [web3-wallet event handler]}]
+  (oops/ocall web3-wallet
+              "off"
+              event
+              #(-> (bean/->clj %)
+                   handler)))

src/status_im/common/universal_links.cljs

@@ -108,8 +108,7 @@
 (rf/defn handle-wallet-connect
   [_ uri]
   (log/info "universal-links: handle-wallet-connect" uri)
-  {:dispatch-later {:ms       1500
-                    :dispatch [:wallet-connect/on-scan-connection uri]}})
+  {:dispatch [:wallet-connect/process-deeplink uri]})
 
 (defn dispatch-url
   "Dispatch url so we can get access to re-frame/db"

src/status_im/contexts/profile/logout/events.cljs

@@ -44,6 +44,7 @@
    {:db (assoc db :profile/logging-out? true)
     ;; We need to disable notifications before starting the logout process
     :fx [[:dispatch [:profile.logout/disable-notifications]]
+         [:dispatch [:wallet-connect/unregister-event-listeners]]
          [:dispatch-later
           {:ms       100
            :dispatch [:profile.logout/reset-state]}]]}))

src/status_im/contexts/wallet/wallet_connect/events/core.cljs

@@ -30,7 +30,8 @@
    (log/info "WalletConnect SDK initialisation successful")
    {:db (assoc db :wallet-connect/web3-wallet web3-wallet)
     :fx [[:dispatch [:wallet-connect/register-event-listeners]]
-         [:dispatch [:wallet-connect/get-sessions]]]}))
+         [:dispatch [:wallet-connect/get-sessions]]
+         [:dispatch [:wallet-connect/pair-with-pending-deeplink]]]}))
 
 (rf/reg-event-fx
  :wallet-connect/reload-on-network-change
@@ -40,6 +41,19 @@
        (log/info "Re-Initialising WalletConnect SDK due to network change")
        {:fx [[:dispatch [:wallet-connect/init]]]}))))
 
+(defn- on-session-proposal
+  [data]
+  (rf/dispatch [:wallet-connect/on-session-proposal data]))
+
+(defn- on-session-request
+  [data]
+  (rf/dispatch [:wallet-connect/on-session-request data]))
+
+(defn- on-session-delete
+  [data]
+  (rf/dispatch [:wallet-connect/on-session-delete data]))
+
+
 (rf/reg-event-fx
  :wallet-connect/register-event-listeners
  (fn [{:keys [db]}]
@@ -47,15 +61,32 @@
      {:fx [[:effects.wallet-connect/register-event-listener
             [web3-wallet
              constants/wallet-connect-session-proposal-event
-             #(rf/dispatch [:wallet-connect/on-session-proposal %])]]
+             on-session-proposal]]
            [:effects.wallet-connect/register-event-listener
             [web3-wallet
              constants/wallet-connect-session-request-event
-             #(rf/dispatch [:wallet-connect/on-session-request %])]]
+             on-session-request]]
            [:effects.wallet-connect/register-event-listener
             [web3-wallet
              constants/wallet-connect-session-delete-event
-             #(rf/dispatch [:wallet-connect/on-session-delete %])]]]})))
+             on-session-delete]]]})))
+
+(rf/reg-event-fx
+ :wallet-connect/unregister-event-listeners
+ (fn [{:keys [db]}]
+   (let [web3-wallet (get db :wallet-connect/web3-wallet)]
+     {:fx [[:effects.wallet-connect/unregister-event-listener
+            [web3-wallet
+             constants/wallet-connect-session-proposal-event
+             on-session-proposal]]
+           [:effects.wallet-connect/unregister-event-listener
+            [web3-wallet
+             constants/wallet-connect-session-request-event
+             on-session-request]]
+           [:effects.wallet-connect/unregister-event-listener
+            [web3-wallet
+             constants/wallet-connect-session-delete-event
+             on-session-delete]]]})))
 
 (rf/reg-event-fx
  :wallet-connect/on-init-fail

src/status_im/contexts/wallet/wallet_connect/events/effects.cljs

@@ -34,6 +34,14 @@
      :event       wc-event
      :handler     handler})))
 
+(rf/reg-fx
+ :effects.wallet-connect/unregister-event-listener
+ (fn [[web3-wallet wc-event handler]]
+   (wallet-connect/unregister-handler
+    {:web3-wallet web3-wallet
+     :event       wc-event
+     :handler     handler})))
+
 (rf/reg-fx
  :effects.wallet-connect/pair
  (fn [{:keys [web3-wallet url on-success on-fail]}]

src/status_im/contexts/wallet/wallet_connect/events/session_proposals.cljs

@@ -21,6 +21,21 @@
              :on-fail     #(log/error "Failed to pair with dApp" {:error %})
              :on-success  #(log/info "dApp paired successfully")}]]})))
 
+(rf/reg-event-fx
+ :wallet-connect/process-deeplink
+ (fn [{:keys [db]} [url]]
+   (let [web3-wallet (get db :wallet-connect/web3-wallet)]
+     (if web3-wallet
+       {:fx [[:dispatch [:wallet-connect/on-scan-connection url]]]}
+       {:db (assoc db :wallet-connect/pending-url url)}))))
+
+(rf/reg-event-fx
+ :wallet-connect/pair-with-pending-deeplink
+ (fn [{:keys [db]}]
+   (when-let [pending-url (get db :wallet-connect/pending-url)]
+     {:db (dissoc db :wallet-connect/pending-url)
+      :fx [[:dispatch [:wallet-connect/on-scan-connection pending-url]]]})))
+
 (rf/reg-event-fx
  :wallet-connect/on-scan-connection
  (fn [{:keys [db]} [scanned-text]]