[#11189] Backward compatible ENS registrar

src/status_im/ens/core.cljs

@@ -69,8 +69,11 @@
 
 (re-frame/reg-fx
  ::get-expiration-time
- (fn [[registrar label-hash cb]]
-   (stateofus/get-expiration-time registrar label-hash cb)))
+ (fn [[chain label-hash cb]]
+   (stateofus/get-registrar
+    chain
+    (fn [registrar]
+      (stateofus/get-expiration-time registrar label-hash cb)))))
 
 (fx/defn set-state
   {:events [::name-resolved]}
@@ -166,9 +169,11 @@
         address (ethereum/default-address db)
         chain (ethereum/chain-keyword db)
         chain-id (ethereum/chain-id db)
-        contract (get stateofus/registrars chain)
         amount (registration-cost chain-id)
         {:keys [x y]} (ethereum/coordinates public-key)]
+    (stateofus/get-registrar
+     chain
+     (fn [contract]
        (signing/eth-transaction-call
         cofx
         {:contract   (contracts/get-address db :status/snt)
@@ -178,7 +183,7 @@
                       (abi-spec/encode "register(bytes32,address,bytes32,bytes32)"
                                        [(ethereum/sha3 username) address x y])]
          :on-result  [:update-ens-tx-state-and-redirect :submitted username custom-domain?]
-      :on-error   [::on-registration-failure]})))
+         :on-error   [::on-registration-failure]})))))
 
 (defn- valid-custom-domain? [username]
   (and (ens/is-valid-eth-name? username)
@@ -280,11 +285,10 @@
   {:events [::navigate-to-name]}
   [{:keys [db] :as cofx} username]
   (let [chain (ethereum/chain-keyword db)
-        registry (get ens/ens-registries chain)
-        registrar (get stateofus/registrars chain)]
+        registry (get ens/ens-registries chain)]
     (fx/merge cofx
               {::get-expiration-time
-               [registrar
+               [chain
                 (-> username
                     stateofus/username
                     ethereum/sha3)

src/status_im/ethereum/stateofus.cljs

@@ -1,6 +1,7 @@
 (ns status-im.ethereum.stateofus
   (:require [clojure.string :as string]
-            [status-im.ethereum.json-rpc :as json-rpc]))
+            [status-im.ethereum.json-rpc :as json-rpc]
+            [status-im.ethereum.ens :as ens]))
 
 (def domain "stateofus.eth")
 
@@ -24,12 +25,29 @@
   (when (and name (string/ends-with? name domain))
     (first (string/split name "."))))
 
-(def registrars
+(def old-registrars
   {:mainnet "0xDB5ac1a559b02E12F29fC0eC0e37Be8E046DEF49"
    ;;NOTE: can be enabled for testing builds
    ;;:testnet "0x11d9F481effd20D76cEE832559bd9Aca25405841"
    })
 
+(def registrars-cache (atom {}))
+
+(defn get-registrar [chain callback]
+  (if-let [contract (get @registrars-cache chain)]
+    (callback contract)
+    (let [registry (get ens/ens-registries chain)]
+      (ens/get-owner
+       registry
+       domain
+       (fn [addr]
+         (let [addr (or addr (get old-registrars chain))]
+           (swap! registrars-cache assoc chain addr)
+           (callback addr)))))))
+
+(defn get-cached-registrar [chain]
+  (get @registrars-cache chain))
+
 (defn lower-case? [s]
   (when s
     (= s (string/lower-case s))))

src/status_im/subs.cljs

@@ -10,7 +10,6 @@
             [status-im.contact.db :as contact.db]
             [status-im.ens.core :as ens]
             [status-im.ethereum.core :as ethereum]
-            [status-im.ethereum.stateofus :as stateofus]
             [status-im.ethereum.tokens :as tokens]
             [status-im.ethereum.transactions.core :as transactions]
             [status-im.fleet.core :as fleet]
@@ -2077,14 +2076,6 @@
                                 (string/ends-with? screen-snt-amount ".")))))))))
 
 ;;ENS ==================================================================================================================
-
-(re-frame/reg-sub
- :ens.stateofus/registrar
- :<- [:current-network]
- (fn [network]
-   (let [chain (ethereum/network->chain-keyword network)]
-     (get stateofus/registrars chain))))
-
 (re-frame/reg-sub
  :multiaccount/usernames
  :<- [:multiaccount]
@@ -2116,18 +2107,18 @@
 (re-frame/reg-sub
  :ens/checkout-screen
  :<- [:ens/registration]
- :<- [:ens.stateofus/registrar]
+ :<- [:current-network]
  :<- [:multiaccount/default-account]
  :<- [:multiaccount/public-key]
  :<- [:chain-id]
  :<- [:balance-default]
  (fn [[{:keys [custom-domain? username]}
-       registrar default-account public-key chain-id balance]]
+       network default-account public-key chain-id balance]]
    {:address           (ethereum/normalized-hex (:address default-account))
     :username          username
     :public-key        public-key
     :custom-domain?    custom-domain?
-    :contract          registrar
+    :network           network
     :amount-label      (ens-amount-label chain-id)
     :sufficient-funds? (money/sufficient-funds?
                         (money/formatted->internal (money/bignumber 10) :SNT 18)

src/status_im/ui/screens/ens/views.cljs

@@ -279,7 +279,7 @@
   (let  [checked? (reagent/atom false)]
     (fn []
       (let [{:keys [username address custom-domain? public-key
-                    contract amount-label sufficient-funds?]}
+                    network amount-label sufficient-funds?]}
             @(re-frame/subscribe [:ens/checkout-screen])]
         [react/keyboard-avoiding-view {:flex 1}
          [toolbar]
@@ -306,7 +306,7 @@
                                  :typography :main-medium}}
              (domain-label custom-domain?)]
             [react/view {:flex 1 :min-width 24}]]]
-          [registration checked? contract address public-key]]
+          [registration checked? (stateofus/get-cached-registrar network) address public-key]]
          [toolbar/toolbar
           {:show-border? true
            :size         :large