Swap flows (launch from home / launch from account) (#21269)

* Swap flows (launch from home / launch from account)

* Fixes

* Lint fix

src/status_im/contexts/wallet/common/token_value/view.cljs

@@ -1,6 +1,5 @@
 (ns status-im.contexts.wallet.common.token-value.view
   (:require [quo.core :as quo]
-            [status-im.common.not-implemented :as not-implemented]
             [status-im.contexts.wallet.send.utils :as send-utils]
             [status-im.contexts.wallet.sheets.buy-token.view :as buy-token]
             [status-im.feature-flags :as ff]
@@ -18,15 +17,15 @@
    :right-icon          :i/external})
 
 (defn- action-send
-  [send-params entry-point]
+  [{:keys [disabled?] :as params} entry-point]
   {:icon                :i/send
    :accessibility-label :send
    :label               (i18n/label :t/send)
-   :disabled?           (:disabled? send-params)
+   :disabled?           disabled?
    :on-press            (fn []
                           (rf/dispatch [:hide-bottom-sheet])
                           (rf/dispatch [:wallet/clean-send-data])
-                          (rf/dispatch [:wallet/set-token-to-send send-params entry-point]))})
+                          (rf/dispatch [:wallet/set-token-to-send params entry-point]))})
 
 (defn- action-receive
   [selected-account?]
@@ -38,21 +37,25 @@
                           #(rf/dispatch [:open-modal :screen/share-shell {:initial-tab :wallet}]))})
 
 (defn- action-bridge
-  [bridge-params]
+  [{:keys [bridge-disabled?] :as params}]
   {:icon                :i/bridge
    :accessibility-label :bridge
    :label               (i18n/label :t/bridge)
-   :disabled?           (:bridge-disabled? bridge-params)
+   :disabled?           bridge-disabled?
    :on-press            (fn []
                           (rf/dispatch [:hide-bottom-sheet])
-                          (rf/dispatch [:wallet/bridge-select-token bridge-params]))})
+                          (rf/dispatch [:wallet/bridge-select-token params]))})
 
 (defn- action-swap
-  []
+  [{:keys [token token-symbol]}]
   {:icon                :i/swap
    :accessibility-label :swap
    :label               (i18n/label :t/swap)
-   :on-press            #(not-implemented/alert)})
+   :on-press            (fn []
+                          (rf/dispatch [:hide-bottom-sheet])
+                          (rf/dispatch [:wallet.swap/start
+                                        {:asset-to-pay     (or token {:symbol token-symbol})
+                                         :open-new-screen? true}]))})
 
 (defn- action-manage-tokens
   [watch-only?]
@@ -74,44 +77,34 @@
   (let [token-symbol     (:token token)
         token-data       (first (rf/sub [:wallet/current-viewing-account-tokens-filtered
                                          {:query token-symbol}]))
-        fiat-unformatted-value (get-in token [:values :fiat-unformatted-value])
-        has-balance?           (money/greater-than fiat-unformatted-value (money/bignumber "0"))
-        selected-account?      (rf/sub [:wallet/current-viewing-account-address])
+        selected-account (rf/sub [:wallet/current-viewing-account-address])
         token-owners     (rf/sub [:wallet/operable-addresses-with-token-symbol token-symbol])
-        send-params            (if selected-account?
-                                 {:token       token-data
-                                  :stack-id    :screen/wallet.accounts
-                                  :disabled?   (not has-balance?)
-                                  :start-flow? true
+        params           (cond-> {:start-flow? true
                                   :owners      token-owners}
-                                 {:token-symbol token-symbol
-                                  :stack-id     :wallet-stack
-                                  :start-flow?  true
-                                  :owners       token-owners})
-        bridge-params          (if selected-account?
-                                 {:token            token-data
-                                  :bridge-disabled? (or (not has-balance?)
-                                                        (send-utils/bridge-disabled? token-symbol))
+                           selected-account
+                           (assoc :token        token-data
                                   :stack-id     :screen/wallet.accounts
-                                  :start-flow?      true
-                                  :owners           token-owners}
-                                 {:token-symbol     token-symbol
-                                  :bridge-disabled? (send-utils/bridge-disabled? token-symbol)
-                                  :stack-id         :wallet-stack
-                                  :start-flow?      true
-                                  :owners           token-owners})]
+                                  :has-balance? (-> (get-in token [:values :fiat-unformatted-value])
+                                                    (money/greater-than (money/bignumber "0"))))
+                           (not selected-account)
+                           (assoc :token-symbol token-symbol
+                                  :stack-id     :wallet-stack))]
     [quo/action-drawer
      [(cond->> [(when (ff/enabled? ::ff/wallet.assets-modal-manage-tokens)
                   (action-manage-tokens watch-only?))
                 (when (ff/enabled? ::ff/wallet.assets-modal-hide)
                   (action-hide))]
-        (not watch-only?) (concat [(action-buy)
+        (not watch-only?)
+        (concat [(action-buy)
                  (when (seq token-owners)
-                                     (action-send send-params entry-point))
-                                   (action-receive selected-account?)
-                                   (when (ff/enabled? ::ff/wallet.swap) (action-swap))
-                                   (when (seq (seq token-owners))
-                                     (action-bridge bridge-params))]))]]))
+                   (action-send params entry-point))
+                 (action-receive selected-account)
+                 (when (ff/enabled? ::ff/wallet.swap)
+                   (action-swap params))
+                 (when (seq token-owners)
+                   (action-bridge (assoc params
+                                         :bridge-disabled?
+                                         (send-utils/bridge-disabled? token-symbol))))]))]]))
 
 (defn view
   [item _ _ {:keys [watch-only? entry-point]}]

src/status_im/contexts/wallet/swap/events.cljs

@@ -14,22 +14,36 @@
             [utils.number :as number]))
 
 (rf/reg-event-fx :wallet.swap/start
- (fn [{:keys [db]} [{:keys [asset-to-pay asset-to-receive network]}]]
-   (let [asset-to-receive' (or asset-to-receive
-                               (swap-utils/select-asset-to-receive
-                                (:wallet db)
-                                (:profile/profile db)
-                                asset-to-pay))
+ (fn [{:keys [db]} [{:keys [network open-new-screen?] :as data}]]
+   (let [{:keys [wallet]}       db
+         test-networks-enabled? (get-in db [:profile/profile :test-networks-enabled?])
+         account                (swap-utils/wallet-account wallet)
+         asset-to-pay           (if (get-in data [:asset-to-pay :networks])
+                                  (:asset-to-pay data)
+                                  (swap-utils/select-asset-to-pay-by-symbol
+                                   {:wallet                 wallet
+                                    :account                account
+                                    :test-networks-enabled? test-networks-enabled?
+                                    :token-symbol           (get-in data [:asset-to-pay :symbol])}))
+         asset-to-receive       (or (:asset-to-receive data)
+                                    (swap-utils/select-default-asset-to-receive
+                                     {:wallet                 wallet
+                                      :account                account
+                                      :test-networks-enabled? test-networks-enabled?
+                                      :asset-to-pay           asset-to-pay}))
          network'               (or network
                                     (swap-utils/select-network asset-to-pay))]
      {:db (-> db
               (assoc-in [:wallet :ui :swap :asset-to-pay] asset-to-pay)
-              (assoc-in [:wallet :ui :swap :asset-to-receive] asset-to-receive')
+              (assoc-in [:wallet :ui :swap :asset-to-receive] asset-to-receive)
               (assoc-in [:wallet :ui :swap :network] network'))
       :fx (if network'
-            [[:dispatch
+            [[:dispatch [:wallet/switch-current-viewing-account (:address account)]]
+             [:dispatch
+              (if open-new-screen?
+                [:navigate-to :screen/wallet.setup-swap]
                 [:navigate-to-within-stack
-               [:screen/wallet.setup-swap :screen/wallet.swap-select-asset-to-pay]]]
+                 [:screen/wallet.setup-swap :screen/wallet.swap-select-asset-to-pay]])]
              [:dispatch [:wallet.swap/set-default-slippage]]]
             [[:dispatch
               [:show-bottom-sheet
@@ -41,8 +55,9 @@
                                                   (rf/dispatch
                                                    [:wallet.swap/start
                                                     {:asset-to-pay     asset-to-pay
-                                                     :asset-to-receive asset-to-receive'
-                                                     :network          network}]))}])}]]])})))
+                                                     :asset-to-receive asset-to-receive
+                                                     :network          network
+                                                     :open-new-screen? open-new-screen?}]))}])}]]])})))
 
 (rf/reg-event-fx :wallet.swap/select-asset-to-pay
  (fn [{:keys [db]} [{:keys [token]}]]

src/status_im/contexts/wallet/swap/select_asset_to_pay/view.cljs

@@ -21,7 +21,9 @@
 (defn- assets-view
   [search-text on-change-text]
   (let [on-token-press (fn [token]
-                         (rf/dispatch [:wallet.swap/start {:asset-to-pay token}]))]
+                         (rf/dispatch [:wallet.swap/start
+                                       {:asset-to-pay     token
+                                        :open-new-screen? false}]))]
     [:<>
      [search-input search-text on-change-text]
      [asset-list/view

src/status_im/contexts/wallet/swap/utils.cljs

@@ -30,22 +30,61 @@
     :else
     (i18n/label :t/something-went-wrong-please-try-again-later)))
 
-(defn select-asset-to-receive
-  [wallet profile asset-to-pay]
-  (let [wallet-address         (get-in wallet [:current-viewing-account-address])
-        account                (-> wallet
+(defn- first-operable-account
+  [accounts]
+  (->> accounts
+       vals
+       (remove :watch-only?)
+       (filter :operable?)
+       (sort-by :position)
+       first))
+
+(defn wallet-account
+  "Picks the account that's gonna be used for the swap operation. 
+   It's gonna be either the preselected account defined by 
+   `[:wallet :current-viewing-account-address]` in `db`
+   or the first operable account."
+  [wallet]
+  (if-let [wallet-address (get wallet :current-viewing-account-address)]
+    (-> wallet
         :accounts
         vals
         (utils/get-account-by-address wallet-address))
-        test-networks-enabled? (get profile :test-networks-enabled?)
-        networks               (-> (get-in wallet
-                                           [:wallet :networks (if test-networks-enabled? :test :prod)])
+    (-> wallet :accounts first-operable-account)))
+
+(defn select-asset-to-pay-by-symbol
+  "Selects an asset to pay by token symbol.
+   It's used for cases when only token symbol is available and the information
+   about token needs to be extracted from the database. 
+   That happens when token is being selected on the home screen and 
+   it basically indicates that no account pre-selection was made."
+  [{:keys [wallet account test-networks-enabled? token-symbol]}]
+  (let [networks (-> (get-in wallet [:networks (if test-networks-enabled? :test :prod)])
+                     (network-utils/sorted-networks-with-details))
+        token    (->> account
+                      :tokens
+                      (filter #(= token-symbol (:symbol %)))
+                      first)]
+    (assoc token :networks (network-utils/network-list token networks))))
+
+(defn select-default-asset-to-receive
+  "Selects an asset to receive if it was not provided explicitly.
+   The principle of how the asset is being selected is simple: we get the 
+   whole list, remove the currently selected `asset-to-pay` from it, and choose
+   the first one of what's left."
+  [{:keys [wallet account test-networks-enabled? asset-to-pay]}]
+  (let [networks (-> (get-in wallet [:networks (if test-networks-enabled? :test :prod)])
                      (network-utils/sorted-networks-with-details))]
     (->> (utils/tokens-with-balance (:tokens account) networks nil)
          (remove #(= (:symbol %) (:symbol asset-to-pay)))
          first)))
 
 (defn select-network
+  "Chooses the network.
+   Usually user needs to do the selection first and if the selection was done
+   then the list of networks for the defined token will always contain 
+   one entry. Otherwise `nil` will be returned from here which will serve
+   as an indicator that the network selector needs to be displayed."
   [{:keys [networks]}]
   (when (= (count networks) 1)
     (first networks)))