most working back end, codnductTransactionsmoney transfer method needs refactor

.idea/workspace.xml

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       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
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+      <window_info anchor="bottom" id="Debug" order="4" weight="0.4" />
+      <window_info anchor="right" id="Bean Validation" order="9" />
     </layout-to-restore>
   </component>
   <component name="TypeScriptGeneratedFilesManager">
   <component name="VcsContentAnnotationSettings">
     <option name="myLimit" value="2678400000" />
   </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <option name="time" value="1" />
+    </breakpoint-manager>
+  </component>
   <component name="editorHistoryManager">
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     <entry file="file://$PROJECT_DIR$/src/test/java/com/buecoin01/ApplicationTests.java">
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       <provider selected="true" editor-type-id="text-editor" />
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     <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Coin.java" />
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/EnableMongoRepositories.java" />
     <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/BlockchainVerification.java">
       <provider selected="true" editor-type-id="text-editor">
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+          </folding>
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       </provider>
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/controller/BlockController.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionInput.java">
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+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/TransactionOutput.java">
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+            <element signature="e#813#814#0" expanded="true" />
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       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Repositories/WalletRepository.java">
+    <entry file="file://$APPLICATION_CONFIG_DIR$/consoles/db/9e5d39f9-b664-4d5a-a0eb-fa8b2386a1ce/console.sql">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Repositories/TransactionRepository.java">
+    <entry file="file://$PROJECT_DIR$/src/main/resources/application.properties">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/ProcessLoader.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Repositories/BlockRepository.java">
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+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/utility/Encryption.java">
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+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Application.java">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Application.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/controller/BlockController.java">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Repositories/TransactionRepository.java">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/controller/WalletController.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/Repositories/WalletRepository.java">
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+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Wallet.java">
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+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transactions.java">
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+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Block.java">
+      <provider selected="true" editor-type-id="text-editor">
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+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/controller/WalletController.java">
+      <provider selected="true" editor-type-id="text-editor">
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+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/controller/ConductTransactions.java">
       <provider selected="true" editor-type-id="text-editor">
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-    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/model/Transactions.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/buecoin01/controller/TransactionController.java">
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           <folding>
             <element signature="imports" expanded="true" />
           </folding>

src/main/java/com/buecoin01/ProcessLoader.java

 
     @Override
     public void run(ApplicationArguments args) {
-        transaction.transferMoney(2L,1L,500);
+
 
     }
 }

src/main/java/com/buecoin01/Repositories/TransactionRepository.java

 package com.buecoin01.Repositories;
 
 import com.buecoin01.model.Transactions;
+import com.buecoin01.model.Wallet;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 import org.springframework.web.bind.annotation.CrossOrigin;
-import org.springframework.web.bind.annotation.RequestBody;
-
-import javax.transaction.Transaction;
 
 @CrossOrigin(origins = {"http://localhost:8100","http://localhost:8080"})
 @Repository
 public interface TransactionRepository extends JpaRepository<Transactions, Long> {
+
+
 }

src/main/java/com/buecoin01/Repositories/WalletRepository.java

 
 import com.buecoin01.model.Wallet;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 import org.springframework.web.bind.annotation.CrossOrigin;
 
+import java.util.List;
+
 @Repository
 @CrossOrigin(origins = {"http://localhost:8100","http://localhost:8080"})
 public interface WalletRepository extends JpaRepository<Wallet, Long> {
+
+    //@Query(value = "SELECT t FROM Wallet as t WHERE t.publicId = ?1", nativeQuery = true)
+    List<Wallet> findWalletByPublicId(@Param("id")String id);
+
+
 }

src/main/java/com/buecoin01/controller/BlockController.java

 
 import java.util.Optional;
 
-public class BlockController { @CrossOrigin(origins = {"http://localhost:8100", "http://localhost:8080"})
 @RestController
-
-
-public class UserController {
-
+@CrossOrigin(origins = {"http://localhost:8100", "http://localhost:8080"})
+public class BlockController {
 
     @Autowired
     private BlockRepository blockRepository;
 
 
 }
-}
+

src/main/java/com/buecoin01/controller/ConductTransactions.java

 import com.buecoin01.model.Transactions;
 import com.buecoin01.model.Wallet;
 import com.buecoin01.utility.Encryption;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
 
 import java.time.LocalDateTime;
 
-@RestController
+@Service
 public class ConductTransactions {
+
+
     @Autowired
     private TransactionRepository transactionRepository;
 
     @Autowired
     private WalletRepository walletRepository;
 
+    private static final Logger logger = LoggerFactory.getLogger(ConductTransactions.class);
+
+
+    public ResponseEntity transferMoney( Transactions transaction) {
+       Wallet receiver = new Wallet();
+
+        Wallet sender = new Wallet();
+
+           if (walletRepository.findWalletByPublicId(transaction.getFromId()).get(0).getAmount() >= transaction.getAmount()) {
+
+        logger.info("controller is hitting this method");
+               sender.setAmount(walletRepository.findWalletByPublicId(transaction.getFromId()).get(0).getAmount() - transaction.getAmount());
+               walletRepository.save(sender);
 
-    public double getBalance(Long id){
-        return walletRepository.getOne(id).getAmount();
-    }
-
-    public String transferMoney(Long toId, Long fromId, double amount){
-        String response;
-        if(amount <= getBalance(fromId)){
-            Wallet from = walletRepository.getOne(toId);
-            from.setAmount(getBalance(fromId) - amount);
-            walletRepository.save(from);
-            Wallet to = walletRepository.getOne(fromId);
-            to.setAmount(getBalance(fromId) + amount);
-            walletRepository.save(to);
-            Transactions n = new Transactions(Encryption.applySha256(toId.toString() + fromId.toString() + Double.toString(amount)), Encryption.applySha256(fromId.toString()), Encryption.applySha256(toId.toString()), amount, LocalDateTime.now());
-            transactionRepository.save(n);
-            response = "Success";
-        } else response = "Insufficient funds";
-
-        return response;
-    }
+               Double amount = walletRepository.findWalletByPublicId(transaction.getToId()).get(0).getAmount();
+
+               receiver.setAmount(amount + transaction.getAmount());
+               walletRepository.save(receiver);
+
+               Transactions n = new Transactions(Encryption.applySha256(sender.getPublicId() + receiver.getPublicId() + Double.toString(transaction.getAmount()) + LocalDateTime.now()),
+                       sender.getPublicId(), receiver.getPublicId(), transaction.getAmount(), LocalDateTime.now());
+               logger.info("got here");
+
+               transactionRepository.save(n);
+               logger.info("got here");
+
+               return new ResponseEntity<>(transaction, HttpStatus.CREATED);
+           } else {
+               return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+           }
+
+
+}
 
 
 

src/main/java/com/buecoin01/controller/TransactionController.java

 @RestController
 public class TransactionController {
 
-
-
+        private ConductTransactions conduct;
+        private TransactionRepository transactionRepository;
 
         @Autowired
-        private TransactionRepository transactionRepository;
+        public TransactionController(TransactionRepository transactionRepository, ConductTransactions conductTransactions) {
+            this.conduct = conductTransactions;
+            this.transactionRepository = transactionRepository;
+        }
 
         @RequestMapping(value = "/transactions/{id}", method = RequestMethod.GET)
         public ResponseEntity get(@PathVariable Long id) {
 
         }
 
-        @RequestMapping(path = "/addTx", method = RequestMethod.POST)
-        public ResponseEntity <?> create(@RequestBody Transactions transactions) {
-            transactionRepository.save(transactions);
+        @RequestMapping(path = "/checkTx", method = RequestMethod.POST)
+        public ResponseEntity <Transactions> create(@RequestBody Transactions transactions) {
+            conduct.transferMoney(transactions);
             return new ResponseEntity <>(transactions, HttpStatus.CREATED );
         }
 
-        @RequestMapping(path = "/deleteTx", method = RequestMethod.DELETE)
+        @RequestMapping(path = "/deleteTx/{id}", method = RequestMethod.DELETE)
         public ResponseEntity <Transactions> deleteUser(@RequestBody Transactions transactions) {
             transactionRepository.delete(transactions);
             return new ResponseEntity <>( HttpStatus.OK );
         }
 
 
+
     }
 

src/main/java/com/buecoin01/model/Block.java

 
 
 import com.buecoin01.utility.Encryption;
+import org.springframework.stereotype.Component;
 
 import javax.persistence.*;
 import java.time.LocalDateTime;
 
 
 @Entity
+@Component
 public class Block {
 
     private String minerID;
         this.timeStamp = time;
         this.previousHash = previousHash;
         this.hash = calculateHash();
+        this.nonce = nonce;
     }
 
     public String getHash() {

src/main/java/com/buecoin01/model/Transactions.java

 package com.buecoin01.model;
 
-import com.buecoin01.utility.Encryption;
-import com.buecoin01.utility.TransactionInput;
-import com.buecoin01.utility.TransactionOutput;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Component;
 
 import javax.persistence.*;
-import java.security.PrivateKey;
-import java.security.PublicKey;
 import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.List;
 
 @Component
 @Entity
     private double amount;
     private LocalDateTime timestamp;
 
+    public Transactions(){}
+
     public Transactions(String transactionId, String fromId, String toId, double amount, LocalDateTime timestamp) {
         this.transactionId = transactionId;
         this.fromId = fromId;
         this.timestamp = timestamp;
     }
 
-    public Transactions(){}
 
 
 }

src/main/java/com/buecoin01/model/Wallet.java

 package com.buecoin01.model;
 
-import com.buecoin01.utility.TransactionInput;
-import com.buecoin01.utility.TransactionOutput;
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import org.hibernate.annotations.Proxy;
 import org.springframework.stereotype.Component;
 
 import javax.persistence.*;
-import java.security.*;
 
 
 @Entity
 @Component
-@Proxy(lazy = false)
+//@Proxy(lazy = false)
 public class Wallet {
 
     @Id
     @Column(name = "id")
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
-    @Column(name = "pubicId")
+    @Column(name = "pubicId", unique = true)
     private String publicId;
     @Column(name = "amount")
     private double amount;

src/main/resources/application.properties

 spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
 spring.datasource.testWhileIdle = true
 spring.datasource.validationQuery = SELECT 1
-
-
+#spring.jpa.hibernate.naming_strategy=org.hibernate.cfg.EJB3NamingStrategy

target/classes/application.properties

 spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
 spring.datasource.testWhileIdle = true
 spring.datasource.validationQuery = SELECT 1
-
-
+#spring.jpa.hibernate.naming_strategy=org.hibernate.cfg.EJB3NamingStrategy