Feat: Backend commit

backend/src/StealthBackend/src/main/java/org/backend/stealth/controller/Testnet4Resource.java

@@ -1,127 +0,0 @@
-package org.backend.stealth.controller;
-
-import jakarta.inject.Inject;
-import jakarta.ws.rs.*;
-import jakarta.ws.rs.core.MediaType;
-import jakarta.ws.rs.core.Response;
-import org.backend.stealth.domain.repository.BitcoinRepository;
-import org.backend.stealth.service.dto.*;
-import org.bitcoindevkit.Balance;
-import org.eclipse.microprofile.openapi.annotations.Operation;
-import org.eclipse.microprofile.openapi.annotations.tags.Tag;
-
-/**
- * REST API para conexão com Bitcoin Testnet4
- */
-@Path("/api/testnet4")
-@Produces(MediaType.APPLICATION_JSON)
-@Consumes(MediaType.APPLICATION_JSON)
-@Tag(name = "Bitcoin Testnet4", description = "Operações com blockchain Bitcoin testnet4")
-public class Testnet4Resource {
-
-    @Inject
-    BitcoinRepository bitcoinRepository;
-
-    @GET
-    @Path("/status")
-    @Operation(summary = "Verificar status da conexão", description = "Verifica se está conectado na blockchain testnet4")
-    public Response getStatus() {
-        try {
-            boolean connected = bitcoinRepository.isConnected();
-            long height = connected ? bitcoinRepository.getHeight() : -1;
-
-            String status = connected ? "✅ Conectado" : "❌ Desconectado";
-
-            return Response.ok(new Testnet4StatusDTO(
-                connected,
-                status,
-                height,
-                "https://mempool.space/testnet4/api"
-            )).build();
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
-                .entity(new ErrorDTO("Erro: " + e.getMessage()))
-                .build();
-        }
-    }
-
-    @GET
-    @Path("/height")
-    @Operation(summary = "Obter altura da blockchain", description = "Retorna o número atual de blocos")
-    public Response getHeight() {
-        try {
-            long height = bitcoinRepository.getHeight();
-            return Response.ok(new BlockHeightDTO(height)).build();
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
-                .entity(new ErrorDTO("Erro: " + e.getMessage()))
-                .build();
-        }
-    }
-
-    @GET
-    @Path("/address")
-    @Operation(summary = "Gerar novo endereço", description = "Gera um novo endereço para receber testnet4 bitcoins")
-    public Response getNewAddress() {
-        try {
-            String address = bitcoinRepository.getNewAddress();
-
-            if (address == null) {
-                return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
-                    .entity(new ErrorDTO("Erro ao gerar endereço"))
-                    .build();
-            }
-
-            return Response.ok(new AddressResponseDTO(
-                address,
-                "Use um faucet para receber testnet4 bitcoins: https://mempool.space/testnet4"
-            )).build();
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
-                .entity(new ErrorDTO("Erro: " + e.getMessage()))
-                .build();
-        }
-    }
-
-    @GET
-    @Path("/balance")
-    @Operation(summary = "Verificar saldo", description = "Retorna o saldo da wallet")
-    public Response getBalance() {
-        try {
-            Balance balance = bitcoinRepository.getBalance();
-
-            if (balance == null) {
-                return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
-                    .entity(new ErrorDTO("Erro ao obter saldo"))
-                    .build();
-            }
-
-            return Response.ok(new BalanceDTO(
-                balance.total(),
-                balance.confirmed(),
-                balance.immature(),
-                balance.trustedPending(),
-                balance.untrustedPending()
-            )).build();
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
-                .entity(new ErrorDTO("Erro: " + e.getMessage()))
-                .build();
-        }
-    }
-
-    @POST
-    @Path("/sync")
-    @Operation(summary = "Sincronizar wallet", description = "Sincroniza a wallet com a blockchain")
-    public Response sync() {
-        try {
-            bitcoinRepository.syncWallet();
-            return Response.ok(new MessageDTO("✅ Wallet sincronizada com sucesso!")).build();
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
-                .entity(new ErrorDTO("Erro: " + e.getMessage()))
-                .build();
-        }
-    }
-}
-

backend/src/StealthBackend/src/main/java/org/backend/stealth/domain/entity/Wallet.java

@@ -0,0 +1,31 @@
+package org.backend.stealth.domain.entity;
+
+public class Wallet {
+
+    private Integer id;
+    private String descriptor;
+
+    public Wallet() {}
+
+    public Wallet(Integer id, String descriptor) {
+        this.id = id;
+        this.descriptor = descriptor;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getDescriptor() {
+        return descriptor;
+    }
+
+    public void setDescriptor(String descriptor) {
+        this.descriptor = descriptor;
+    }
+}
+

backend/src/StealthBackend/src/main/java/org/backend/stealth/domain/repository/BitcoinRepository.java

@@ -1,189 +1,4 @@
 package org.backend.stealth.domain.repository;
 
-import jakarta.annotation.PostConstruct;
-import jakarta.enterprise.context.ApplicationScoped;
-import org.bitcoindevkit.*;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Repository for Bitcoin blockchain connection (Testnet4)
- */
-@ApplicationScoped
 public class BitcoinRepository {
-
-    private static final Logger logger = LoggerFactory.getLogger(BitcoinRepository.class);
-
-    private Blockchain blockchain;
-    private Wallet wallet;
-    private final Network network = Network.TESTNET;
-    private final String esploraUrl = "https://mempool.space/testnet4/api";
-
-    @PostConstruct
-    public void init() {
-        logger.info("🚀 Iniciando conexão com Bitcoin Testnet4...");
-        connectBlockchain();
-    }
-
-    /**
-     * Connect to Bitcoin blockchain
-     */
-    public void connectBlockchain() {
-        try {
-            logger.info("📡 Conectando em: {}", esploraUrl);
-
-            // Create Esplora config - using correct Kotlin UByte conversion
-            EsploraConfig esploraConfig = new EsploraConfig(
-                esploraUrl,
-                null,
-                kotlin.UByte.valueOf((byte) 5),  // timeout 5 seconds
-                (long) 100,
-                null
-            );
-
-            // Create blockchain config using correct method
-            BlockchainConfig blockchainConfig = new BlockchainConfig.Esplora(esploraConfig);
-
-            // Create blockchain
-            blockchain = new Blockchain(blockchainConfig);
-
-            logger.info("✅ Blockchain conectado com sucesso!");
-
-            // Get height
-            long height = blockchain.height();
-            logger.info("📊 Altura da blockchain: {} blocos", height);
-
-            // Initialize wallet
-            createWallet();
-
-        } catch (Exception e) {
-            logger.error("❌ Erro ao conectar: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * Create a new wallet
-     */
-    private void createWallet() {
-        try {
-            logger.info("🔑 Criando wallet...");
-
-            // Generate mnemonic
-            Mnemonic mnemonic = new Mnemonic(WordCount.WORDS12);
-            logger.warn("⚠️  GUARDE ESTAS PALAVRAS:");
-            logger.warn("📝 {}", mnemonic.asString());
-
-            // Create descriptor secret key
-            DescriptorSecretKey descriptorSecretKey = new DescriptorSecretKey(
-                network,
-                mnemonic,
-                null
-            );
-
-            // Create descriptors (BIP84)
-            String descStr = "wpkh(" + descriptorSecretKey.asString() + "/84'/1'/0'/0/*)";
-            String changeDescStr = "wpkh(" + descriptorSecretKey.asString() + "/84'/1'/0'/1/*)";
-
-            Descriptor descriptor = new Descriptor(descStr, network);
-            Descriptor changeDescriptor = new Descriptor(changeDescStr, network);
-
-            // Create database config
-            DatabaseConfig databaseConfig = DatabaseConfig.memory();
-
-            // Create wallet
-            wallet = new Wallet(descriptor, changeDescriptor, network, databaseConfig);
-
-            logger.info("✅ Wallet criada!");
-
-            // Sync and show address
-            syncWallet();
-            showAddress();
-
-        } catch (Exception e) {
-            logger.error("❌ Erro ao criar wallet: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * Sync wallet with blockchain
-     */
-    public void syncWallet() {
-        try {
-            if (wallet != null && blockchain != null) {
-                logger.info("🔄 Sincronizando...");
-                wallet.sync(blockchain, null);
-                logger.info("✅ Sincronizado!");
-
-                Balance balance = wallet.balance();
-                logger.info("💵 Saldo: {} satoshis", balance.total());
-            }
-        } catch (Exception e) {
-            logger.error("❌ Erro ao sincronizar: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * Show a receiving address
-     */
-    private void showAddress() {
-        try {
-            AddressInfo addressInfo = wallet.revealNextAddress(KeychainKind.EXTERNAL);
-            logger.info("💰 Endereço: {}", addressInfo.address().asString());
-            logger.info("📍 Para receber testnet coins: https://mempool.space/testnet4");
-        } catch (Exception e) {
-            logger.error("Erro ao gerar endereço: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * Get blockchain height
-     */
-    public long getHeight() {
-        return blockchain != null ? blockchain.height() : -1;
-    }
-
-    /**
-     * Get new address
-     */
-    public String getNewAddress() {
-        try {
-            if (wallet == null) return null;
-            AddressInfo addressInfo = wallet.revealNextAddress(KeychainKind.EXTERNAL);
-            return addressInfo.address().asString();
-        } catch (Exception e) {
-            logger.error("Erro: {}", e.getMessage());
-            return null;
-        }
-    }
-
-    /**
-     * Get balance
-     */
-    public Balance getBalance() {
-        try {
-            if (wallet == null) return null;
-            syncWallet();
-            return wallet.balance();
-        } catch (Exception e) {
-            logger.error("Erro: {}", e.getMessage());
-            return null;
-        }
-    }
-
-    public boolean isConnected() {
-        return blockchain != null;
-    }
-
-    public Blockchain getBlockchain() {
-        return blockchain;
-    }
-
-    public Wallet getWallet() {
-        return wallet;
-    }
-
-    public Network getNetwork() {
-        return network;
-    }
 }
-

backend/src/StealthBackend/src/main/java/org/backend/stealth/service/Testnet4ConnectionService.java

@@ -1,231 +0,0 @@
-package org.backend.stealth.service;
-
-import jakarta.annotation.PostConstruct;
-import jakarta.enterprise.context.ApplicationScoped;
-import org.bitcoindevkit.*;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Service for connecting to Bitcoin Testnet4 blockchain
- * This is a simplified version that connects to testnet4
- */
-@ApplicationScoped
-public class Testnet4ConnectionService {
-
-    private static final Logger logger = LoggerFactory.getLogger(Testnet4ConnectionService.class);
-
-    private Blockchain blockchain;
-    private Wallet wallet;
-    private Network network = Network.TESTNET;
-    private String esploraUrl = "https://mempool.space/testnet4/api";
-
-    /**
-     * Initialize connection on startup
-     */
-    @PostConstruct
-    public void init() {
-        logger.info("🚀 Iniciando conexão com Bitcoin Testnet4...");
-        connectToBlockchain();
-    }
-
-    /**
-     * Connect to Bitcoin testnet4 blockchain
-     */
-    public boolean connectToBlockchain() {
-        try {
-            logger.info("📡 Configurando conexão Esplora: {}", esploraUrl);
-
-            // Create Esplora configuration
-            EsploraConfig esploraConfig = new EsploraConfig(
-                esploraUrl,
-                null,        // proxy
-                (byte) 5,    // timeout in seconds
-                (long) 100,  // stop_gap
-                null         // timeout for long requests
-            );
-
-            // Create blockchain config
-            BlockchainConfig blockchainConfig = BlockchainConfig.newEsploraConfig(esploraConfig);
-
-            // Initialize blockchain connection
-            blockchain = new Blockchain(blockchainConfig);
-
-            logger.info("✅ Blockchain conectado com sucesso!");
-
-            // Get blockchain info
-            long height = blockchain.getHeight();
-            logger.info("📊 Altura atual da blockchain: {} blocos", height);
-
-            // Initialize a simple wallet
-            initializeWallet();
-
-            return true;
-
-        } catch (Exception e) {
-            logger.error("❌ Erro ao conectar na blockchain: {}", e.getMessage(), e);
-            return false;
-        }
-    }
-
-    /**
-     * Initialize a simple wallet
-     */
-    private void initializeWallet() {
-        try {
-            logger.info("🔑 Inicializando wallet...");
-
-            // Generate mnemonic
-            Mnemonic mnemonic = new Mnemonic(WordCount.WORDS12);
-            String mnemonicWords = mnemonic.asString();
-            logger.warn("⚠️  IMPORTANTE - Guarde essas palavras com segurança:");
-            logger.warn("📝 {}", mnemonicWords);
-
-            // Create descriptor secret key
-            DescriptorSecretKey descriptorSecretKey = new DescriptorSecretKey(
-                network,
-                mnemonic,
-                null  // no password
-            );
-
-            // Create descriptors (BIP84 - native segwit)
-            String descriptorStr = "wpkh(" + descriptorSecretKey.asString() + "/84'/1'/0'/0/*)";
-            String changeDescriptorStr = "wpkh(" + descriptorSecretKey.asString() + "/84'/1'/0'/1/*)";
-
-            // Create descriptor objects
-            Descriptor descriptor = new Descriptor(descriptorStr, network);
-            Descriptor changeDescriptor = new Descriptor(changeDescriptorStr, network);
-
-            // Create database config
-            DatabaseConfig databaseConfig = new DatabaseConfig.Memory();
-
-            // Create wallet
-            wallet = new Wallet(
-                descriptor,
-                changeDescriptor,
-                network,
-                databaseConfig
-            );
-
-            logger.info("✅ Wallet criada com sucesso!");
-
-            // Sync wallet
-            syncWallet();
-
-            // Generate and show address
-            AddressInfo addressInfo = wallet.getAddress(new AddressIndex.New());
-            logger.info("💰 Endereço para receber: {}", addressInfo.getAddress());
-            logger.info("📍 Índice: {}", addressInfo.getIndex());
-
-        } catch (Exception e) {
-            logger.error("❌ Erro ao criar wallet: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * Synchronize wallet with blockchain
-     */
-    public void syncWallet() {
-        try {
-            if (wallet == null || blockchain == null) {
-                logger.error("Wallet ou blockchain não inicializados");
-                return;
-            }
-
-            logger.info("🔄 Sincronizando wallet...");
-            wallet.sync(blockchain, null);
-            logger.info("✅ Sincronização completa!");
-
-            // Show balance
-            Balance balance = wallet.getBalance();
-            logger.info("💵 Saldo total: {} satoshis", balance.getTotal());
-            logger.info("💵 Saldo confirmado: {} satoshis", balance.getConfirmed());
-
-        } catch (Exception e) {
-            logger.error("❌ Erro ao sincronizar: {}", e.getMessage(), e);
-        }
-    }
-
-    /**
-     * Get blockchain height
-     */
-    public long getBlockchainHeight() {
-        try {
-            if (blockchain == null) {
-                throw new IllegalStateException("Blockchain não conectado");
-            }
-            return blockchain.getHeight();
-        } catch (Exception e) {
-            logger.error("Erro ao obter altura: {}", e.getMessage());
-            return -1;
-        }
-    }
-
-    /**
-     * Get new receiving address
-     */
-    public String getNewAddress() {
-        try {
-            if (wallet == null) {
-                throw new IllegalStateException("Wallet não inicializada");
-            }
-            AddressInfo addressInfo = wallet.getAddress(new AddressIndex.New());
-            return addressInfo.getAddress();
-        } catch (Exception e) {
-            logger.error("Erro ao gerar endereço: {}", e.getMessage());
-            return null;
-        }
-    }
-
-    /**
-     * Get wallet balance
-     */
-    public Balance getBalance() {
-        try {
-            if (wallet == null) {
-                throw new IllegalStateException("Wallet não inicializada");
-            }
-            syncWallet();
-            return wallet.getBalance();
-        } catch (Exception e) {
-            logger.error("Erro ao obter saldo: {}", e.getMessage());
-            return null;
-        }
-    }
-
-    /**
-     * Check if connected
-     */
-    public boolean isConnected() {
-        return blockchain != null;
-    }
-
-    /**
-     * Get blockchain instance
-     */
-    public Blockchain getBlockchain() {
-        return blockchain;
-    }
-
-    /**
-     * Get wallet instance
-     */
-    public Wallet getWallet() {
-        return wallet;
-    }
-
-    /**
-     * Get network
-     */
-    public Network getNetwork() {
-        return network;
-    }
-
-    /**
-     * Get Esplora URL
-     */
-    public String getEsploraUrl() {
-        return esploraUrl;
-    }
-}
-

backend/src/StealthBackend/src/main/java/org/backend/stealth/service/dto/AddressResponseDTO.java

@@ -1,11 +0,0 @@
-package org.backend.stealth.service.dto;
-
-/**
- * DTO for address response with instructions
- */
-public record AddressResponseDTO(
-    String address,
-    String instructions
-) {
-}
-

backend/src/StealthBackend/src/main/java/org/backend/stealth/service/dto/BlockHeightDTO.java

@@ -1,10 +0,0 @@
-package org.backend.stealth.service.dto;
-
-/**
- * DTO for block height
- */
-public record BlockHeightDTO(
-    long height
-) {
-}
-

backend/src/StealthBackend/src/main/java/org/backend/stealth/service/dto/BlockchainInfoDTO.java

@@ -1,13 +0,0 @@
-package org.backend.stealth.service.dto;
-
-/**
- * DTO for blockchain information
- */
-public record BlockchainInfoDTO(
-    String network,
-    long height,
-    String latestBlockHash,
-    String esploraUrl
-) {
-}
-

backend/src/StealthBackend/src/main/java/org/backend/stealth/service/dto/Testnet4StatusDTO.java

@@ -1,13 +0,0 @@
-package org.backend.stealth.service.dto;
-
-/**
- * DTO for testnet4 connection status
- */
-public record Testnet4StatusDTO(
-    boolean connected,
-    String status,
-    long blockHeight,
-    String esploraUrl
-) {
-}
-