Implement ZCash account creation & balance resolution

browser/brave_wallet/BUILD.gn

@@ -32,6 +32,8 @@ source_set("brave_wallet") {
     "swap_service_factory.h",
     "tx_service_factory.cc",
     "tx_service_factory.h",
+    "zcash_wallet_service_factory.cc",
+    "zcash_wallet_service_factory.h",
   ]
   if (enable_ipfs_local_node) {
     sources += [

browser/brave_wallet/zcash_wallet_service_factory.cc

@@ -0,0 +1,93 @@
+/* Copyright (c) 2023 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+#include "brave/browser/brave_wallet/zcash_wallet_service_factory.h"
+
+#include <utility>
+
+#include "base/no_destructor.h"
+#include "brave/browser/brave_wallet/brave_wallet_context_utils.h"
+#include "brave/browser/brave_wallet/keyring_service_factory.h"
+#include "brave/components/brave_wallet/browser/zcash/zcash_wallet_service.h"
+#include "brave/components/brave_wallet/common/common_utils.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+#include "components/user_prefs/user_prefs.h"
+#include "content/public/browser/storage_partition.h"
+#include "services/network/public/cpp/shared_url_loader_factory.h"
+
+namespace brave_wallet {
+
+// static
+ZCashWalletServiceFactory* ZCashWalletServiceFactory::GetInstance() {
+  static base::NoDestructor<ZCashWalletServiceFactory> instance;
+  return instance.get();
+}
+
+// static
+mojo::PendingRemote<mojom::ZCashWalletService>
+ZCashWalletServiceFactory::GetForContext(content::BrowserContext* context) {
+  if (!IsAllowedForContext(context)) {
+    return mojo::PendingRemote<mojom::ZCashWalletService>();
+  }
+
+  if (!IsZCashEnabled()) {
+    return mojo::PendingRemote<mojom::ZCashWalletService>();
+  }
+
+  return static_cast<ZCashWalletService*>(
+             GetInstance()->GetServiceForBrowserContext(context, true))
+      ->MakeRemote();
+}
+
+// static
+ZCashWalletService* ZCashWalletServiceFactory::GetServiceForContext(
+    content::BrowserContext* context) {
+  if (!IsAllowedForContext(context)) {
+    return nullptr;
+  }
+  if (!IsZCashEnabled()) {
+    return nullptr;
+  }
+  return static_cast<ZCashWalletService*>(
+      GetInstance()->GetServiceForBrowserContext(context, true));
+}
+
+// static
+void ZCashWalletServiceFactory::BindForContext(
+    content::BrowserContext* context,
+    mojo::PendingReceiver<mojom::ZCashWalletService> receiver) {
+  auto* zcash_service =
+      ZCashWalletServiceFactory::GetServiceForContext(context);
+  if (zcash_service) {
+    zcash_service->Bind(std::move(receiver));
+  }
+}
+
+ZCashWalletServiceFactory::ZCashWalletServiceFactory()
+    : BrowserContextKeyedServiceFactory(
+          "ZCashWalletService",
+          BrowserContextDependencyManager::GetInstance()) {
+  DependsOn(KeyringServiceFactory::GetInstance());
+}
+
+ZCashWalletServiceFactory::~ZCashWalletServiceFactory() = default;
+
+KeyedService* ZCashWalletServiceFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  auto* default_storage_partition = context->GetDefaultStoragePartition();
+  auto shared_url_loader_factory =
+      default_storage_partition->GetURLLoaderFactoryForBrowserProcess();
+  return new ZCashWalletService(
+      KeyringServiceFactory::GetServiceForContext(context),
+      user_prefs::UserPrefs::Get(context), shared_url_loader_factory);
+}
+
+content::BrowserContext* ZCashWalletServiceFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextRedirectedInIncognito(context);
+}
+
+}  // namespace brave_wallet

browser/brave_wallet/zcash_wallet_service_factory.h

@@ -0,0 +1,54 @@
+/* Copyright (c) 2023 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+#ifndef BRAVE_BROWSER_BRAVE_WALLET_ZCASH_WALLET_SERVICE_FACTORY_H_
+#define BRAVE_BROWSER_BRAVE_WALLET_ZCASH_WALLET_SERVICE_FACTORY_H_
+
+#include "brave/components/brave_wallet/common/brave_wallet.mojom.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "content/public/browser/browser_context.h"
+#include "mojo/public/cpp/bindings/pending_receiver.h"
+#include "mojo/public/cpp/bindings/pending_remote.h"
+
+namespace base {
+template <typename T>
+class NoDestructor;
+}  // namespace base
+
+namespace brave_wallet {
+
+class ZCashWalletService;
+
+class ZCashWalletServiceFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  ZCashWalletServiceFactory(const ZCashWalletServiceFactory&) = delete;
+  ZCashWalletServiceFactory& operator=(const ZCashWalletServiceFactory&) =
+      delete;
+
+  static mojo::PendingRemote<mojom::ZCashWalletService> GetForContext(
+      content::BrowserContext* context);
+  static ZCashWalletService* GetServiceForContext(
+      content::BrowserContext* context);
+  static ZCashWalletServiceFactory* GetInstance();
+  static void BindForContext(
+      content::BrowserContext* context,
+      mojo::PendingReceiver<mojom::ZCashWalletService> receiver);
+
+ private:
+  friend base::NoDestructor<ZCashWalletServiceFactory>;
+
+  ZCashWalletServiceFactory();
+  ~ZCashWalletServiceFactory() override;
+
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const override;
+  content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const override;
+};
+
+}  // namespace brave_wallet
+
+#endif  // BRAVE_BROWSER_BRAVE_WALLET_ZCASH_WALLET_SERVICE_FACTORY_H_

browser/browser_context_keyed_service_factories.cc

@@ -13,6 +13,7 @@
 #include "brave/browser/brave_rewards/rewards_service_factory.h"
 #include "brave/browser/brave_shields/ad_block_pref_service_factory.h"
 #include "brave/browser/brave_wallet/asset_ratio_service_factory.h"
+#include "brave/browser/brave_wallet/bitcoin_wallet_service_factory.h"
 #include "brave/browser/brave_wallet/brave_wallet_ipfs_service_factory.h"
 #include "brave/browser/brave_wallet/brave_wallet_service_factory.h"
 #include "brave/browser/brave_wallet/json_rpc_service_factory.h"
@@ -21,6 +22,7 @@
 #include "brave/browser/brave_wallet/simulation_service_factory.h"
 #include "brave/browser/brave_wallet/swap_service_factory.h"
 #include "brave/browser/brave_wallet/tx_service_factory.h"
+#include "brave/browser/brave_wallet/zcash_wallet_service_factory.h"
 #include "brave/browser/debounce/debounce_service_factory.h"
 #include "brave/browser/ephemeral_storage/ephemeral_storage_service_factory.h"
 #include "brave/browser/ethereum_remote_client/buildflags/buildflags.h"
@@ -35,6 +37,7 @@
 #include "brave/components/ai_chat/common/buildflags/buildflags.h"
 #include "brave/components/brave_perf_predictor/browser/named_third_party_registry_factory.h"
 #include "brave/components/brave_vpn/common/buildflags/buildflags.h"
+#include "brave/components/brave_wallet/common/common_utils.h"
 #include "brave/components/commander/common/buildflags/buildflags.h"
 #include "brave/components/greaselion/browser/buildflags/buildflags.h"
 #include "brave/components/ipfs/buildflags/buildflags.h"
@@ -150,6 +153,13 @@ void EnsureBrowserContextKeyedServiceFactoriesBuilt() {
   brave_wallet::TxServiceFactory::GetInstance();
   brave_wallet::BraveWalletServiceFactory::GetInstance();
 
+  if (brave_wallet::IsBitcoinEnabled()) {
+    brave_wallet::BitcoinWalletServiceFactory::GetInstance();
+  }
+  if (brave_wallet::IsZCashEnabled()) {
+    brave_wallet::ZCashWalletServiceFactory::GetInstance();
+  }
+
 #if !BUILDFLAG(IS_ANDROID)
   if (base::FeatureList::IsEnabled(commands::features::kBraveCommands)) {
     commands::AcceleratorServiceFactory::GetInstance();

browser/ui/webui/brave_wallet/android/android_wallet_page_ui.cc

@@ -25,6 +25,7 @@
 #include "brave/browser/brave_wallet/keyring_service_factory.h"
 #include "brave/browser/brave_wallet/swap_service_factory.h"
 #include "brave/browser/brave_wallet/tx_service_factory.h"
+#include "brave/browser/brave_wallet/zcash_wallet_service_factory.h"
 
 #include "brave/components/brave_wallet/browser/blockchain_registry.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
@@ -123,6 +124,8 @@ void AndroidWalletPageUI::CreatePageHandler(
         json_rpc_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::BitcoinWalletService>
         bitcoin_rpc_service_receiver,
+    mojo::PendingReceiver<brave_wallet::mojom::ZCashWalletService>
+        zcash_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::SwapService>
         swap_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::AssetRatioService>
@@ -160,6 +163,8 @@ void AndroidWalletPageUI::CreatePageHandler(
       profile, std::move(json_rpc_service_receiver));
   brave_wallet::BitcoinWalletServiceFactory::BindForContext(
       profile, std::move(bitcoin_rpc_service_receiver));
+  brave_wallet::ZCashWalletServiceFactory::BindForContext(
+      profile, std::move(zcash_service_receiver));
   brave_wallet::SwapServiceFactory::BindForContext(
       profile, std::move(swap_service_receiver));
   brave_wallet::AssetRatioServiceFactory::BindForContext(

browser/ui/webui/brave_wallet/android/android_wallet_page_ui.h

@@ -40,6 +40,8 @@ class AndroidWalletPageUI : public ui::MojoWebUIController,
           json_rpc_service,
       mojo::PendingReceiver<brave_wallet::mojom::BitcoinWalletService>
           bitcoin_rpc_service_receiver,
+      mojo::PendingReceiver<brave_wallet::mojom::ZCashWalletService>
+          zcash_service_receiver,
       mojo::PendingReceiver<brave_wallet::mojom::SwapService> swap_service,
       mojo::PendingReceiver<brave_wallet::mojom::AssetRatioService>
           asset_ratio_service,

browser/ui/webui/brave_wallet/common_handler/wallet_handler.cc

@@ -39,8 +39,8 @@ void WalletHandler::GetWalletInfo(GetWalletInfoCallback callback) {
   std::move(callback).Run(mojom::WalletInfo::New(
       default_keyring->is_keyring_created, default_keyring->is_locked,
       keyring_service_->IsWalletBackedUpSync(), IsFilecoinEnabled(),
-      IsSolanaEnabled(), IsBitcoinEnabled(), IsNftPinningEnabled(),
-      IsPanelV2Enabled()));
+      IsSolanaEnabled(), IsBitcoinEnabled(), IsZCashEnabled(),
+      IsNftPinningEnabled(), IsPanelV2Enabled()));
 }
 
 }  // namespace brave_wallet

browser/ui/webui/brave_wallet/wallet_page_ui.cc

@@ -18,6 +18,7 @@
 #include "brave/browser/brave_wallet/keyring_service_factory.h"
 #include "brave/browser/brave_wallet/swap_service_factory.h"
 #include "brave/browser/brave_wallet/tx_service_factory.h"
+#include "brave/browser/brave_wallet/zcash_wallet_service_factory.h"
 #include "brave/browser/ui/webui/brave_wallet/wallet_common_ui.h"
 #include "brave/browser/ui/webui/navigation_bar_data_provider.h"
 #include "brave/components/brave_wallet/browser/asset_ratio_service.h"
@@ -102,6 +103,8 @@ void WalletPageUI::CreatePageHandler(
         json_rpc_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::BitcoinWalletService>
         bitcoin_rpc_service_receiver,
+    mojo::PendingReceiver<brave_wallet::mojom::ZCashWalletService>
+        zcash_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::SwapService>
         swap_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::AssetRatioService>
@@ -140,6 +143,8 @@ void WalletPageUI::CreatePageHandler(
       profile, std::move(json_rpc_service_receiver));
   brave_wallet::BitcoinWalletServiceFactory::BindForContext(
       profile, std::move(bitcoin_rpc_service_receiver));
+  brave_wallet::ZCashWalletServiceFactory::BindForContext(
+      profile, std::move(zcash_service_receiver));
   brave_wallet::SwapServiceFactory::BindForContext(
       profile, std::move(swap_service_receiver));
   brave_wallet::AssetRatioServiceFactory::BindForContext(

browser/ui/webui/brave_wallet/wallet_page_ui.h

@@ -43,6 +43,8 @@ class WalletPageUI : public ui::MojoWebUIController,
           json_rpc_service,
       mojo::PendingReceiver<brave_wallet::mojom::BitcoinWalletService>
           bitcoin_rpc_service,
+      mojo::PendingReceiver<brave_wallet::mojom::ZCashWalletService>
+          zcash_service,
       mojo::PendingReceiver<brave_wallet::mojom::SwapService> swap_service,
       mojo::PendingReceiver<brave_wallet::mojom::AssetRatioService>
           asset_ratio_service,

browser/ui/webui/brave_wallet/wallet_panel_ui.cc

@@ -121,6 +121,8 @@ void WalletPanelUI::CreatePanelHandler(
         json_rpc_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::BitcoinWalletService>
         bitcoin_rpc_service_receiver,
+    mojo::PendingReceiver<brave_wallet::mojom::ZCashWalletService>
+        zcash_rpc_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::SwapService>
         swap_service_receiver,
     mojo::PendingReceiver<brave_wallet::mojom::SimulationService>

browser/ui/webui/brave_wallet/wallet_panel_ui.h

@@ -52,6 +52,8 @@ class WalletPanelUI : public ui::MojoBubbleWebUIController,
           json_rpc_service,
       mojo::PendingReceiver<brave_wallet::mojom::BitcoinWalletService>
           bitcoin_rpc_service,
+      mojo::PendingReceiver<brave_wallet::mojom::ZCashWalletService>
+          zcash_service,
       mojo::PendingReceiver<brave_wallet::mojom::SwapService> swap_service,
       mojo::PendingReceiver<brave_wallet::mojom::SimulationService>
           simulation_service,

components/brave_wallet/browser/BUILD.gn

@@ -6,6 +6,7 @@
 import("//brave/build/config.gni")
 import("//brave/components/ipfs/buildflags/buildflags.gni")
 import("//build/config/features.gni")
+import("//third_party/protobuf/proto_library.gni")
 import("//tools/json_schema_compiler/json_schema_api.gni")
 
 declare_args() {
@@ -204,6 +205,10 @@ static_library("browser") {
     "unstoppable_domains_multichain_calls.h",
     "wallet_data_files_installer.cc",
     "wallet_data_files_installer.h",
+    "zcash/zcash_rpc.cc",
+    "zcash/zcash_rpc.h",
+    "zcash/zcash_wallet_service.cc",
+    "zcash/zcash_wallet_service.h",
   ]
   if (enable_ipfs_local_node) {
     sources += [
@@ -224,6 +229,7 @@ static_library("browser") {
     ":pref_names",
     ":transaction",
     ":utils",
+    ":zcash_proto",
     "//base",
     "//brave/components/brave_component_updater/browser",
     "//brave/components/brave_stats/browser",
@@ -472,6 +478,10 @@ generated_types("generated_swap_responses") {
   ]
 }
 
+proto_library("zcash_proto") {
+  sources = [ "zcash/protos/zcash_grpc_data.proto" ]
+}
+
 config("sardine_config") {
   defines = [
     "SARDINE_CLIENT_ID=\"$sardine_client_id\"",

components/brave_wallet/browser/brave_wallet_constants.h

@@ -331,6 +331,8 @@ constexpr webui::LocalizedString kLocalizedStrings[] = {
      IDS_BRAVE_WALLET_CREATE_ACCOUNT_FILECOIN_DESCRIPTION},
     {"braveWalletCreateAccountBitcoinDescription",
      IDS_BRAVE_WALLET_CREATE_ACCOUNT_BITCOIN_DESCRIPTION},
+    {"braveWalletCreateAccountZCashDescription",
+     IDS_BRAVE_WALLET_CREATE_ACCOUNT_ZCASH_DESCRIPTION},
     {"braveWalletFilecoinPrivateKeyProtocol",
      IDS_BRAVE_WALLET_FILECOIN_PRIVATE_KEY_PROTOCOL},
     {"braveWalletAddAccountImport", IDS_BRAVE_WALLET_ADD_ACCOUNT_IMPORT},
@@ -905,6 +907,8 @@ constexpr webui::LocalizedString kLocalizedStrings[] = {
      IDS_BRAVE_WALLET_FIL_ACCOUNT_DESCRIPTION},
     {"braveWalletBTCAccountDescrption",
      IDS_BRAVE_WALLET_BTC_ACCOUNT_DESCRIPTION},
+    {"braveWalletZECAccountDescrption",
+     IDS_BRAVE_WALLET_ZEC_ACCOUNT_DESCRIPTION},
     {"braveWalletShowNetworkLogoOnNftsTitle",
      IDS_BRAVE_WALLET_SHOW_NETWORK_LOGO_ON_NFTS_TITLE},
     {"braveWalletShowNetworkLogoOnNftsDescription",
@@ -1409,6 +1413,7 @@ constexpr char kERC721InterfaceId[] = "0x80ac58cd";
 constexpr char kERC721MetadataInterfaceId[] = "0x5b5e139f";
 
 constexpr char kBitcoinPrefKey[] = "bitcoin";
+constexpr char kZCashPrefKey[] = "zcash";
 constexpr char kEthereumPrefKey[] = "ethereum";
 constexpr char kFilecoinPrefKey[] = "filecoin";
 constexpr char kSolanaPrefKey[] = "solana";