diff --git a/src/Client.java b/src/Client.java
new file mode 100644
index 0000000..bc8ebe2
--- /dev/null
+++ b/src/Client.java
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+import java.math.*;
+import java.nio.ByteBuffer;
+import javax.xml.bind.DatatypeConverter;
+import java.util.Hashtable;
+import java.util.Enumeration;
+import java.math.BigDecimal;
+import wf.bitcoin.javabitcoindrpcclient.BitcoinJSONRPCClient;
+import wf.bitcoin.javabitcoindrpcclient.BitcoindRpcClient.SignedRawTransaction;
+import wf.bitcoin.javabitcoindrpcclient.BitcoindRpcClient.AddressInfo;
+import wf.bitcoin.javabitcoindrpcclient.BitcoindRpcClient.RawTransactionSigningOrVerificationError;
+import wf.bitcoin.javabitcoindrpcclient.*;
+import wf.bitcoin.krotjson.HexCoder;
+import java.text.DecimalFormat;
+import wf.bitcoin.javabitcoindrpcclient.BitcoindRpcClient.Unspent;
+import wf.bitcoin.javabitcoindrpcclient.BitcoinRawTxBuilder;
+import wf.bitcoin.javabitcoindrpcclient.BitcoindRpcClient.Transaction;
+import wf.bitcoin.javabitcoindrpcclient.BitcoindRpcClient.ExtendedTxInput;
+import wf.bitcoin.javabitcoindrpcclient.BitcoindRpcClient.TxInput;
+import java.util.ListIterator;
+import java.net.URL;
+import java.net.MalformedURLException;
+import java.util.List;
+import java.io.*;
+import java.util.*;
+
+public class Client{
+
+	static BitcoinJSONRPCClient bitcoinClient = null;
+	static BitcoinRawTxBuilder txb = null;
+	static String address = "";
+	
+	public boolean connect(){
+		String user = "user";
+	        String password = "password";
+		String host = "127.0.0.1";
+		String port = "18443";  //regtest
+//		String host = "192.168.0.22";  //testnet
+//		String port = "18332";  //testnet
+                try {
+                        URL url = new URL("http://" + user + ':' + password + "@" + host + ":" + port + "/");
+                        bitcoinClient = new BitcoinJSONRPCClient(url);
+			return true;	
+		}catch (MalformedURLException e) {
+              		e.printStackTrace(); 
+		 	return false; 
+                }
+	}
+
+	public static void main(String args[]){
+		BigDecimal txToAddr2Amount = new BigDecimal("0");
+		BigDecimal estimatedFee = BigDecimal.valueOf(0.00000200);
+		Client rpcClient = new Client();
+		bitcoin.connect();
+		LinkedList<BitcoindRpcClient.ExtendedTxInput> inputList = new LinkedList<BitcoindRpcClient.ExtendedTxInput>();
+		txb = new BitcoinRawTxBuilder(bitcoinClient);
+//		String addr1 = bitcoinClient.getNewAddress();
+		String addr1 = "bcrt1qs4ylwj2v5v0gq7eqzp9k9vxazdrkexhkghxpyp";   //regtest
+		AddressInfo addr1Info = bitcoinClient.getAddressInfo(addr1);
+		System.out.println("Address: " + addr1Info.address());
+		System.out.println("HdKeyPath: " + addr1Info.hdKeyPath());
+		System.out.println("PubKey: " + addr1Info.pubKey());
+		System.out.println("MasterFingerPrint: " + addr1Info.hdMasterFingerprint());
+		System.out.println("Balance: " + bitcoinClient.getBalance());
+		
+//		String addr1 = "tb1qrj3dgs6kh2mtr7ulgmlx3pvavqwtw6vxdk468y";   //testnet
+		System.out.println("Created address addr1: " + addr1);
+		String addr2 = bitcoinClient.getNewAddress();
+		System.out.println("Created address addr2: " + addr2);
+		List<String> generatedBlocksHashes = bitcoinClient.generateToAddress(110, addr1);
+		System.out.println("Generated " + generatedBlocksHashes.size() + " blocks for addr1");
+		List<Unspent> utxos = bitcoinClient.listUnspent(0, Integer.MAX_VALUE, addr1);
+		System.out.println("Found " + utxos.size() + " UTXOs (unspent transaction outputs) belonging to addr1");
+		/*for(int i =0;i<utxos.size();i++) {
+			Unspent selectedUtxo = utxos.get(i);
+			System.out.println("Selected UTXO which will be sent from addr1 to addr2: " + selectedUtxo);
+			System.out.println("txid:" + selectedUtxo.txid());
+			System.out.println("vout:" + selectedUtxo.vout());
+			System.out.println("scriptPubKey:" + selectedUtxo.scriptPubKey());
+			System.out.println("amount:" + selectedUtxo.amount());
+			BigDecimal estimatedFee = BigDecimal.valueOf(0.00000200);
+			txToAddr2Amount = selectedUtxo.amount().subtract(estimatedFee);
+		}*/
+		TxInput in = utxos.get(0);
+		txb.in(in);
+		
+		txToAddr2Amount = utxos.get(0).amount().subtract(estimatedFee); 
+		txb.out(addr2, txToAddr2Amount);
+		
+		System.out.println("unsignedRawTx in amount: " + utxos.get(0).amount());
+		System.out.println("unsignedRawTx out amount: " + txToAddr2Amount);
+		
+		String unsignedRawTxHex = txb.create();
+		System.out.println("Created unsignedRawTx from addr1 to addr2: " + unsignedRawTxHex);
+		
+		SignedRawTransaction srTx = bitcoinClient.signRawTransactionWithKey(
+				unsignedRawTxHex,
+				Arrays.asList(bitcoinClient.dumpPrivKey(addr1)), 
+				Arrays.asList(in),
+				null);
+		System.out.println("signedRawTx hex: " + srTx.hex());
+		System.out.println("signedRawTx complete: " + srTx.complete());
+		
+		List<RawTransactionSigningOrVerificationError> errors = srTx.errors();
+		if (errors != null)
+		{
+			System.out.println("Found errors when signing");
+
+			for (RawTransactionSigningOrVerificationError error : errors)
+			{
+				System.out.println("Error: " + error);
+			}
+		}
+		
+		String sentRawTransactionID = bitcoinClient.sendRawTransaction(srTx.hex());
+		System.out.println("Sent signedRawTx (txID): " + sentRawTransactionID);
+		
+	}
+}