Adds a buy functionality to Android wallet

android/java/org/chromium/chrome/browser/crypto_wallet/activities/BuySendSwapActivity.java

@@ -44,6 +44,7 @@ import org.chromium.chrome.browser.crypto_wallet.fragments.ApproveTxBottomSheetD
 import org.chromium.chrome.browser.crypto_wallet.fragments.EditVisibleAssetsBottomSheetDialogFragment;
 import org.chromium.chrome.browser.crypto_wallet.util.Utils;
 import org.chromium.chrome.browser.init.AsyncInitializationActivity;
+import org.chromium.chrome.browser.util.TabUtils;
 import org.chromium.mojo.bindings.ConnectionErrorHandler;
 import org.chromium.mojo.system.MojoException;
 
@@ -354,19 +355,18 @@ public class BuySendSwapActivity extends AsyncInitializationActivity
         }
 
         btnBuySendSwap.setOnClickListener(v -> {
+            Spinner accountSpinner = findViewById(R.id.accounts_spinner);
+            String from = mCustomAccountAdapter.getTitleAtPosition(
+                    accountSpinner.getSelectedItemPosition());
+            TextView fromValueText = findViewById(R.id.from_value_text);
+            // TODO(sergz): Some kind of validation that we have enough balance
+            String value = fromValueText.getText().toString();
             if (mActivityType == ActivityType.SEND) {
-                // TODO(sergz): token transfers via a token contract
                 String to = toValueText.getText().toString();
                 if (to.isEmpty()) {
                     // TODO(sergz): some address validation
                     return;
                 }
-                TextView fromValueText = findViewById(R.id.from_value_text);
-                // TODO(sergz): Some kind of validation that we have enough balance
-                String value = fromValueText.getText().toString();
-                Spinner accountSpinner = findViewById(R.id.accounts_spinner);
-                String from = mCustomAccountAdapter.getTitleAtPosition(
-                        accountSpinner.getSelectedItemPosition());
                 if (mCurrentErcToken == null || mCurrentErcToken.contractAddress.isEmpty()) {
                     TxData data =
                             Utils.getTxData("0x1", "", "", to, Utils.toHexWei(value), new byte[0]);
@@ -375,6 +375,13 @@ public class BuySendSwapActivity extends AsyncInitializationActivity
                     addUnapprovedTransactionERC20(
                             to, Utils.toHexWei(value), from, mCurrentErcToken.contractAddress);
                 }
+            } else if (mActivityType == ActivityType.BUY) {
+                assert mErcTokenRegistry != null;
+                String asset = assetDropDown.getText().toString();
+                mErcTokenRegistry.getBuyUrl(from, asset, value, url -> {
+                    TabUtils.openUrlInNewTab(false, url);
+                    TabUtils.bringChromeTabbedActivityToTheTop(this);
+                });
             }
         });
 

android/java/org/chromium/chrome/browser/util/TabUtils.java

@@ -9,6 +9,7 @@ package org.chromium.chrome.browser.util;
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.view.ContextThemeWrapper;
 import android.view.MenuItem;
 import android.view.View;
@@ -17,6 +18,7 @@ import android.widget.PopupMenu;
 
 import org.chromium.base.ApplicationStatus;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ChromeTabbedActivity;
 import org.chromium.chrome.browser.app.BraveActivity;
 import org.chromium.chrome.browser.app.ChromeActivity;
 import org.chromium.chrome.browser.night_mode.GlobalNightModeStateProviderHolder;
@@ -97,4 +99,10 @@ public class TabUtils {
         }
         rewardsLayout.setVisibility(View.VISIBLE);
     }
+
+    public static void bringChromeTabbedActivityToTheTop(Activity activity) {
+        Intent braveActivityIntent = new Intent(activity, ChromeTabbedActivity.class);
+        braveActivityIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+        activity.startActivity(braveActivityIntent);
+    }
 }

components/brave_wallet/browser/brave_wallet_constants.h

@@ -46,6 +46,10 @@ static base::NoDestructor<std::vector<mojom::ERCToken>> kBuyTokens(
 
 const char kWalletBaseDirectory[] = "BraveWallet";
 const char kImageSourceHost[] = "erc-token-images";
+const char kWyreID[] = "AC_MGNVBGHPA9T";
+const char kBuyUrl[] =
+    "https://pay.sendwyre.com/?dest=ethereum:%s"
+    "&destCurrency=%s&amount=%s&accountId=%s&paymentMethod=debit-card";
 
 }  // namespace brave_wallet
 

components/brave_wallet/browser/erc_token_registry.cc

@@ -8,6 +8,7 @@
 #include <algorithm>
 #include <utility>
 
+#include "base/strings/stringprintf.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 
 namespace brave_wallet {
@@ -87,4 +88,14 @@ void ERCTokenRegistry::GetBuyTokens(GetBuyTokensCallback callback) {
   std::move(callback).Run(std::move(erc_buy_tokens));
 }
 
+void ERCTokenRegistry::GetBuyUrl(const std::string& address,
+                                 const std::string& symbol,
+                                 const std::string& amount,
+                                 GetBuyUrlCallback callback) {
+  std::string url = base::StringPrintf(kBuyUrl, address.c_str(), symbol.c_str(),
+                                       amount.c_str(), kWyreID);
+
+  std::move(callback).Run(url);
+}
+
 }  // namespace brave_wallet

components/brave_wallet/browser/erc_token_registry.h

@@ -38,6 +38,10 @@ class ERCTokenRegistry : public mojom::ERCTokenRegistry {
                         GetTokenBySymbolCallback callback) override;
   void GetAllTokens(GetAllTokensCallback callback) override;
   void GetBuyTokens(GetBuyTokensCallback callback) override;
+  void GetBuyUrl(const std::string& address,
+                 const std::string& symbol,
+                 const std::string& amount,
+                 GetBuyUrlCallback callback) override;
 
  protected:
   std::vector<mojom::ERCTokenPtr> erc_tokens_;

components/brave_wallet/common/brave_wallet.mojom

@@ -200,6 +200,7 @@ interface ERCTokenRegistry {
   GetTokenBySymbol(string symbol) => (ERCToken? token);
   GetAllTokens() => (array<ERCToken> tokens);
   GetBuyTokens() => (array<ERCToken> tokens);
+  GetBuyUrl(string address, string symbol, string amount) => (string url);
 };
 
 interface KeyringController {