Revise the behavior of "Extensions (Brave Wallet fallback)" setting

browser/brave_wallet/brave_wallet_ethereum_chain_browsertest.cc

@@ -173,6 +173,9 @@ class BraveWalletEthereumChainTest : public InProcessBrowserTest {
   }
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultEthereumWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     InProcessBrowserTest::SetUpOnMainThread();
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");

browser/brave_wallet/brave_wallet_event_emitter_browsertest.cc

@@ -75,6 +75,9 @@ class BraveWalletEventEmitterTest : public InProcessBrowserTest {
   }
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultEthereumWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     InProcessBrowserTest::SetUpOnMainThread();
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");

browser/brave_wallet/brave_wallet_sign_message_browsertest.cc

@@ -13,6 +13,7 @@
 #include "brave/browser/brave_wallet/brave_wallet_tab_helper.h"
 #include "brave/browser/brave_wallet/keyring_service_factory.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_service.h"
+#include "brave/components/brave_wallet/browser/brave_wallet_utils.h"
 #include "brave/components/brave_wallet/browser/keyring_service.h"
 #include "brave/components/brave_wallet/common/features.h"
 #include "brave/components/constants/brave_paths.h"
@@ -77,6 +78,9 @@ class BraveWalletSignMessageBrowserTest : public InProcessBrowserTest {
   }
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultEthereumWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");
 

browser/brave_wallet/brave_wallet_tab_helper_browsertest.cc

@@ -12,6 +12,7 @@
 #include "brave/browser/brave_wallet/brave_wallet_tab_helper.h"
 #include "brave/browser/brave_wallet/json_rpc_service_factory.h"
 #include "brave/browser/ui/webui/brave_wallet/wallet_common_ui.h"
+#include "brave/components/brave_wallet/browser/brave_wallet_utils.h"
 #include "brave/components/brave_wallet/common/features.h"
 #include "brave/components/constants/brave_paths.h"
 #include "brave/components/constants/webui_url_constants.h"
@@ -104,6 +105,9 @@ class BraveWalletTabHelperBrowserTest : public InProcessBrowserTest {
   }
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultEthereumWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     InProcessBrowserTest::SetUpOnMainThread();
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");

browser/brave_wallet/ethereum_provider_browsertest.cc

@@ -8,6 +8,7 @@
 #include "base/path_service.h"
 #include "base/test/bind.h"
 #include "brave/browser/brave_wallet/keyring_service_factory.h"
+#include "brave/components/brave_wallet/browser/brave_wallet_utils.h"
 #include "brave/components/brave_wallet/browser/keyring_service.h"
 #include "brave/components/constants/brave_paths.h"
 #include "chrome/browser/profiles/profile.h"
@@ -64,6 +65,9 @@ class EthereumProviderBrowserTest : public InProcessBrowserTest {
   }
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultEthereumWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");
 

browser/brave_wallet/send_or_sign_transaction_browsertest.cc

@@ -176,6 +176,9 @@ class SendOrSignTransactionBrowserTest : public InProcessBrowserTest {
   }
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultEthereumWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");
 

browser/brave_wallet/solana_provider_browsertest.cc

@@ -321,6 +321,9 @@ class SolanaProviderTest : public InProcessBrowserTest {
   ~SolanaProviderTest() override = default;
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultSolanaWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     host_resolver()->AddRule("*", "127.0.0.1");
 
     https_server_for_files_.SetSSLConfig(

browser/brave_wallet/solana_provider_renderer_browsertest.cc

@@ -12,7 +12,11 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/test/scoped_feature_list.h"
 #include "brave/browser/brave_content_browser_client.h"
+#include "brave/browser/brave_wallet/keyring_service_factory.h"
+#include "brave/browser/profiles/brave_renderer_updater.h"
+#include "brave/browser/profiles/brave_renderer_updater_factory.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_utils.h"
+#include "brave/components/brave_wallet/browser/keyring_service.h"
 #include "brave/components/brave_wallet/common/brave_wallet.mojom.h"
 #include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/common/features.h"
@@ -532,6 +536,9 @@ class SolanaProviderRendererTest : public InProcessBrowserTest {
 
   void SetUpOnMainThread() override {
     InProcessBrowserTest::SetUpOnMainThread();
+    brave_wallet::SetDefaultSolanaWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     content::SetBrowserClientForTesting(&test_content_browser_client_);
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");
@@ -637,6 +644,42 @@ IN_PROC_BROWSER_TEST_F(SolanaProviderRendererTest, ExtensionOverwrite) {
       "test");
 }
 
+IN_PROC_BROWSER_TEST_F(SolanaProviderRendererTest,
+                       DoNotAttachIfNoWalletCreated) {
+  auto* keyring_service =
+      brave_wallet::KeyringServiceFactory::GetServiceForContext(
+          browser()->profile());
+  keyring_service->Reset(false);
+
+  brave_wallet::SetDefaultSolanaWallet(
+      browser()->profile()->GetPrefs(),
+      brave_wallet::mojom::DefaultWallet::BraveWalletPreferExtension);
+  ReloadAndWaitForLoadStop(browser());
+
+  std::string command = "window.solana.isBraveWallet";
+  EXPECT_TRUE(content::EvalJs(web_contents(browser()), command)
+                  .error.find("Cannot read properties of undefined") !=
+              std::string::npos);
+  EXPECT_EQ(browser()->tab_strip_model()->GetTabCount(), 1);
+}
+
+IN_PROC_BROWSER_TEST_F(SolanaProviderRendererTest, AttachIfWalletCreated) {
+  auto* keyring_service =
+      brave_wallet::KeyringServiceFactory::GetServiceForContext(
+          browser()->profile());
+  keyring_service->CreateWallet("password", base::DoNothing());
+
+  brave_wallet::SetDefaultSolanaWallet(
+      browser()->profile()->GetPrefs(),
+      brave_wallet::mojom::DefaultWallet::BraveWalletPreferExtension);
+  ReloadAndWaitForLoadStop(browser());
+
+  constexpr char kEvalIsBraveWallet[] = "window.solana.isBraveWallet";
+  EXPECT_TRUE(content::EvalJs(web_contents(browser())->GetPrimaryMainFrame(),
+                              kEvalIsBraveWallet)
+                  .ExtractBool());
+  EXPECT_EQ(browser()->tab_strip_model()->GetTabCount(), 1);
+}
 IN_PROC_BROWSER_TEST_F(SolanaProviderRendererTest, NonWritable) {
   for (const std::string& provider : {"braveSolana", "solana"}) {
     // window.braveSolana.* and window.solana.* (methods)

browser/brave_wallet/wallet_watch_asset_browsertest.cc

@@ -55,6 +55,9 @@ class WalletWatchAssetBrowserTest : public InProcessBrowserTest {
   }
 
   void SetUpOnMainThread() override {
+    brave_wallet::SetDefaultEthereumWallet(
+        browser()->profile()->GetPrefs(),
+        brave_wallet::mojom::DefaultWallet::BraveWallet);
     mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK);
     host_resolver()->AddRule("*", "127.0.0.1");
 

browser/profiles/BUILD.gn

@@ -1,5 +1,11 @@
+# Copyright (c) 2018 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/.
+
 import("//brave/components/tor/buildflags/buildflags.gni")
 import("//components/gcm_driver/config.gni")
+import("//extensions/buildflags/buildflags.gni")
 
 source_set("profiles") {
   # Remove when https://github.com/brave/brave-browser/issues/10648 is resolved
@@ -42,6 +48,10 @@ source_set("profiles") {
     "//ui/base",
   ]
 
+  if (enable_extensions) {
+    deps += [ "//extensions/common" ]
+  }
+
   if (use_gcm_from_platform) {
     deps += [ "//brave/browser/gcm_driver" ]
   }

browser/profiles/brave_renderer_updater.cc

@@ -9,8 +9,11 @@
 
 #include "base/functional/bind.h"
 #include "brave/browser/brave_wallet/brave_wallet_context_utils.h"
+#include "brave/browser/brave_wallet/keyring_service_factory.h"
+#include "brave/browser/ethereum_remote_client/ethereum_remote_client_constants.h"
 #include "brave/common/brave_renderer_configuration.mojom.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_utils.h"
+#include "brave/components/brave_wallet/browser/keyring_service.h"
 #include "brave/components/brave_wallet/browser/pref_names.h"
 #include "brave/components/brave_wallet/common/brave_wallet.mojom.h"
 #include "brave/components/de_amp/browser/de_amp_util.h"
@@ -20,9 +23,14 @@
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
+#include "extensions/buildflags/buildflags.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "mojo/public/cpp/bindings/pending_receiver.h"
 
+#if BUILDFLAG(ENABLE_EXTENSIONS)
+#include "extensions/browser/extension_registry.h"
+#endif
+
 BraveRendererUpdater::BraveRendererUpdater(Profile* profile)
     : profile_(profile), is_wallet_allowed_for_context_(false) {
   PrefService* pref_service = profile->GetPrefs();
@@ -99,12 +107,32 @@ void BraveRendererUpdater::UpdateAllRenderers() {
 void BraveRendererUpdater::UpdateRenderer(
     mojo::AssociatedRemote<brave::mojom::BraveRendererConfiguration>*
         renderer_configuration) {
+#if BUILDFLAG(ENABLE_EXTENSIONS)
+  extensions::ExtensionRegistry* registry =
+      extensions::ExtensionRegistry::Get(profile_);
+  bool has_installed_metamask =
+      registry &&
+      registry->enabled_extensions().Contains(metamask_extension_id);
+#else
+  bool has_installed_metamask = false;
+#endif
+
+  brave_wallet::KeyringService* keyring_service =
+      brave_wallet::KeyringServiceFactory::GetServiceForContext(profile_);
+  bool wallet_created =
+      keyring_service &&
+      keyring_service->IsKeyringCreated(brave_wallet::mojom::kDefaultKeyringId);
+  bool should_ignore_brave_wallet_for_eth =
+      !wallet_created || has_installed_metamask;
+  bool should_ignore_brave_wallet_for_sol = !wallet_created;
+
   auto default_ethereum_wallet =
       static_cast<brave_wallet::mojom::DefaultWallet>(
           brave_wallet_ethereum_provider_.GetValue());
   bool brave_use_native_ethereum_wallet =
-      (default_ethereum_wallet ==
-           brave_wallet::mojom::DefaultWallet::BraveWalletPreferExtension ||
+      ((default_ethereum_wallet ==
+            brave_wallet::mojom::DefaultWallet::BraveWalletPreferExtension &&
+        !should_ignore_brave_wallet_for_eth) ||
        default_ethereum_wallet ==
            brave_wallet::mojom::DefaultWallet::BraveWallet) &&
       is_wallet_allowed_for_context_ && brave_wallet::IsDappsSupportEnabled();
@@ -115,8 +143,9 @@ void BraveRendererUpdater::UpdateRenderer(
   auto default_solana_wallet = static_cast<brave_wallet::mojom::DefaultWallet>(
       brave_wallet_solana_provider_.GetValue());
   bool brave_use_native_solana_wallet =
-      (default_solana_wallet ==
-           brave_wallet::mojom::DefaultWallet::BraveWalletPreferExtension ||
+      ((default_solana_wallet ==
+            brave_wallet::mojom::DefaultWallet::BraveWalletPreferExtension &&
+        !should_ignore_brave_wallet_for_sol) ||
        default_solana_wallet ==
            brave_wallet::mojom::DefaultWallet::BraveWallet) &&
       is_wallet_allowed_for_context_ && brave_wallet::IsDappsSupportEnabled();

renderer/test/BUILD.gn

@@ -3,6 +3,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this file,
 # You can obtain one at http://mozilla.org/MPL/2.0/.
 
+import("//extensions/buildflags/buildflags.gni")
 import("//testing/test.gni")
 
 source_set("browser_tests") {
@@ -22,6 +23,7 @@ source_set("browser_tests") {
   deps = [
     "//base/test:test_support",
     "//brave/browser/brave_wallet",
+    "//brave/browser/profiles:profiles",
     "//brave/common",
     "//brave/components/brave_wallet/browser",
     "//brave/components/brave_wallet/browser:utils",
@@ -34,4 +36,13 @@ source_set("browser_tests") {
     "//content/test:test_support",
     "//net:test_support",
   ]
+
+  if (enable_extensions) {
+    deps += [
+      "//brave/browser/ethereum_remote_client:ethereum_remote_client",
+      "//chrome/browser/extensions",
+      "//extensions:test_support",
+      "//extensions/browser",
+    ]
+  }
 }