From e6a8e771342d4bb61a0feb398426537087c0a6c1 Mon Sep 17 00:00:00 2001
From: Miranda <553757+hsmiranda@users.noreply.github.com>
Date: Thu, 26 Feb 2026 22:25:49 -0300
Subject: [PATCH] Feat: Backend commit

---
 backend/src/StealthBackend/pom.xml            |  2 +-
 .../controller/response/ExampleResponse.java  |  8 ++++-
 .../backend/stealth/domain/entity/UTXO.java   |  9 ++++++
 .../service/impl/WalletController.java        | 31 +++++++++++++++++++
 .../backend/stealth/utils/WalletUtils.java    |  6 ++++
 5 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 backend/src/StealthBackend/src/main/java/org/backend/stealth/domain/entity/UTXO.java
 create mode 100644 backend/src/StealthBackend/src/main/java/org/backend/stealth/service/impl/WalletController.java
 create mode 100644 backend/src/StealthBackend/src/main/java/org/backend/stealth/utils/WalletUtils.java

diff --git a/backend/src/StealthBackend/pom.xml b/backend/src/StealthBackend/pom.xml
index 2be426b..296bd51 100644
--- a/backend/src/StealthBackend/pom.xml
+++ b/backend/src/StealthBackend/pom.xml
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
             <artifactId>kotlin-stdlib</artifactId>
-            <version>1.9.22</version>
+            <version>2.1.0</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
diff --git a/backend/src/StealthBackend/src/main/java/org/backend/stealth/controller/response/ExampleResponse.java b/backend/src/StealthBackend/src/main/java/org/backend/stealth/controller/response/ExampleResponse.java
index 2f20d04..979b55b 100644
--- a/backend/src/StealthBackend/src/main/java/org/backend/stealth/controller/response/ExampleResponse.java
+++ b/backend/src/StealthBackend/src/main/java/org/backend/stealth/controller/response/ExampleResponse.java
@@ -4,13 +4,19 @@ import jakarta.ws.rs.GET;
 import jakarta.ws.rs.Path;
 import jakarta.ws.rs.Produces;
 import jakarta.ws.rs.core.MediaType;
+import org.backend.stealth.service.impl.WalletController;
+import org.bitcoindevkit.BdkException;
 
 @Path("/hello")
 public class ExampleResponse {
 
     @GET
     @Produces(MediaType.TEXT_PLAIN)
-    public String hello() {
+    public String hello() throws BdkException {
+
+        WalletController controller = new WalletController();
+        controller.ConnectWallet();
+
         return "Hello from Quarkus REST";
     }
 }
diff --git a/backend/src/StealthBackend/src/main/java/org/backend/stealth/domain/entity/UTXO.java b/backend/src/StealthBackend/src/main/java/org/backend/stealth/domain/entity/UTXO.java
new file mode 100644
index 0000000..2a791c7
--- /dev/null
+++ b/backend/src/StealthBackend/src/main/java/org/backend/stealth/domain/entity/UTXO.java
@@ -0,0 +1,9 @@
+package org.backend.stealth.domain.entity;
+
+public class UTXO {
+
+    private String value;
+    private String scriptPubKey;
+    private String txid;
+    private Integer vout;
+}
diff --git a/backend/src/StealthBackend/src/main/java/org/backend/stealth/service/impl/WalletController.java b/backend/src/StealthBackend/src/main/java/org/backend/stealth/service/impl/WalletController.java
new file mode 100644
index 0000000..4847b48
--- /dev/null
+++ b/backend/src/StealthBackend/src/main/java/org/backend/stealth/service/impl/WalletController.java
@@ -0,0 +1,31 @@
+package org.backend.stealth.service.impl;
+
+import org.bitcoindevkit.*;
+
+public class WalletController {
+
+    public void ConnectWallet() throws BdkException {
+
+        Mnemonic mnemonic = new Mnemonic(WordCount.WORDS12);
+
+        DescriptorSecretKey masterKey = new DescriptorSecretKey(
+                Network.REGTEST,
+                mnemonic,
+                ""
+        );
+
+        String externalDescStr = "wpkh(" + masterKey.asString() + "/84'/1'/0'/0/*)";
+
+        Descriptor externalDescriptor = new Descriptor(externalDescStr, Network.REGTEST);
+
+        Wallet wallet = new Wallet(
+                externalDescriptor,
+                null, // changeDescriptor (pode continuar null por enquanto)
+                Network.REGTEST,
+                DatabaseConfig.Memory.INSTANCE
+        );
+
+        System.out.println("✅ Carteira criada com sucesso! Endereço: " +
+                wallet.getAddress(AddressIndex.New.INSTANCE).getAddress());
+    }
+}
\ No newline at end of file
diff --git a/backend/src/StealthBackend/src/main/java/org/backend/stealth/utils/WalletUtils.java b/backend/src/StealthBackend/src/main/java/org/backend/stealth/utils/WalletUtils.java
new file mode 100644
index 0000000..acd4e83
--- /dev/null
+++ b/backend/src/StealthBackend/src/main/java/org/backend/stealth/utils/WalletUtils.java
@@ -0,0 +1,6 @@
+package org.backend.stealth.utils;
+
+public class WalletUtils {
+
+    
+}