Merge remote-tracking branch 'origin/master' into BATM-410

server_extensions_api/src/main/java/com/generalbytes/batm/server/extensions/ICurrencies.java

@@ -23,6 +23,7 @@ public interface ICurrencies {
     public static final String BCH = "BCH"; //Bitcoin Cash
     public static final String ETH = "ETH";
     public static final String LTC = "LTC";
+    public static final String VIA = "VIA";
     public static final String DEX = "DEX";
     public static final String DASH = "DASH";
     public static final String DOGE = "DOGE";

server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/viacoin/ViacoinAddressValidator.java

@@ -0,0 +1,52 @@
+
+/*************************************************************************************
+ * Copyright (C) 2014-2017 GENERAL BYTES s.r.o. All rights reserved.
+ *
+ * This software may be distributed and modified under the terms of the GNU
+ * General Public License version 2 (GPL2) as published by the Free Software
+ * Foundation and appearing in the file GPL2.TXT included in the packaging of
+ * this file. Please note that GPL2 Section 2[b] requires that all works based
+ * on this software must also be made publicly available under the terms of
+ * the GPL2 ("Copyleft").
+ *
+ * Contact information
+ * -------------------
+ *
+ * GENERAL BYTES s.r.o.
+ * Web      :  http://www.generalbytes.com
+ *
+ ************************************************************************************/
+package com.generalbytes.batm.server.extensions.extra.viacoin;
+
+import com.generalbytes.batm.server.coinutil.AddressFormatException;
+import com.generalbytes.batm.server.coinutil.Base58;
+import com.generalbytes.batm.server.extensions.ExtensionsUtil;
+import com.generalbytes.batm.server.extensions.ICryptoAddressValidator;
+
+public class ViacoinAddressValidator implements ICryptoAddressValidator {
+
+    @Override
+    public boolean isAddressValid(String address) {
+        if (address.startsWith("V") || address.startsWith("E")) {
+            try {
+                Base58.decodeToBigInteger(address);
+                Base58.decodeChecked(address);
+            } catch (AddressFormatException e) {
+                e.printStackTrace();
+                return false;
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean isPaperWalletSupported() {
+        return false;
+    }
+
+    @Override
+    public boolean mustBeBase58Address() {
+        return true;
+    }
+}

server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/viacoin/ViacoinExtension.java

@@ -0,0 +1,135 @@
+/*************************************************************************************
+ * Copyright (C) 2014-2017 GENERAL BYTES s.r.o. All rights reserved.
+ *
+ * This software may be distributed and modified under the terms of the GNU
+ * General Public License version 2 (GPL2) as published by the Free Software
+ * Foundation and appearing in the file GPL2.TXT included in the packaging of
+ * this file. Please note that GPL2 Section 2[b] requires that all works based
+ * on this software must also be made publicly available under the terms of
+ * the GPL2 ("Copyleft").
+ *
+ * Contact information
+ * -------------------
+ *
+ * GENERAL BYTES s.r.o.
+ * Web      :  http://www.generalbytes.com
+ *
+ ************************************************************************************/
+package com.generalbytes.batm.server.extensions.extra.viacoin;
+
+import com.generalbytes.batm.server.extensions.*;
+import com.generalbytes.batm.server.extensions.extra.viacoin.sources.FixPriceRateSource;
+import com.generalbytes.batm.server.extensions.extra.viacoin.sources.poloniex.PoloniexRateSource;
+import com.generalbytes.batm.server.extensions.extra.viacoin.wallets.viacoind.ViacoindRPCWallet;
+import com.generalbytes.batm.server.extensions.watchlist.IWatchList;
+
+import java.math.BigDecimal;
+import java.util.*;
+
+public class ViacoinExtension implements IExtension{
+    @Override
+    public String getName(){
+        return "BATM Viacoin extension";
+    }
+
+    @Override
+    public IExchange createExchange(String exchangeLogin){
+        return null;
+    }
+
+    @Override
+    public IWallet createWallet(String walletLogin){
+        if(walletLogin != null && !walletLogin.trim().isEmpty()){
+            StringTokenizer st = new StringTokenizer(walletLogin,":");
+            String walletType = st.nextToken();
+
+            if("viacoind".equalsIgnoreCase(walletType)){
+                //"viacoind::protocol:user:password:ip:port:accountname"
+
+                String protocol = st.nextToken();
+                String username = st.nextToken();
+                String password = st.nextToken();
+                String hostname = st.nextToken();
+                String port = st.nextToken();
+                String accountname = "";
+                if(st.hasMoreTokens()){
+                    accountname = st.nextToken();
+                }
+
+
+                if (protocol != null && username != null && password != null && hostname !=null && port != null && accountname != null) {
+                    String rpcURL = protocol +"://" + username +":" + password + "@" + hostname +":" + port;
+                    return new ViacoindRPCWallet(rpcURL,accountname);
+                }
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public ICryptoAddressValidator createAddressValidator(String cryptoCurrency){
+        if(ICurrencies.VIA.equalsIgnoreCase(cryptoCurrency)){
+            return new ViacoinAddressValidator();
+        }
+        return null;
+    }
+
+    @Override
+    public IPaperWalletGenerator createPaperWalletGenerator(String cryptoCurrency) {
+        return null;
+    }
+
+    @Override
+    public IPaymentProcessor createPaymentProcessor(String paymentProcessorLogin){
+        return null;
+    }
+    
+    @Override
+    public IRateSource createRateSource(String sourceLogin) {
+        if (sourceLogin != null && !sourceLogin.trim().isEmpty()) {
+            StringTokenizer st = new StringTokenizer(sourceLogin,":");
+            String rsType = st.nextToken();
+
+            if ("viafix".equalsIgnoreCase(rsType)) {
+                BigDecimal rate = BigDecimal.ZERO;
+                if (st.hasMoreTokens()) {
+                    try {
+                        rate = new BigDecimal(st.nextToken());
+                    } catch (Throwable e) {
+                    }
+                }
+                String preferedFiatCurrency = ICurrencies.USD;
+                if (st.hasMoreTokens()) {
+                    preferedFiatCurrency = st.nextToken().toUpperCase();
+                }
+                return new FixPriceRateSource(rate,preferedFiatCurrency);
+            }else if ("poloniexrs".equalsIgnoreCase(rsType)) {
+                String preferredFiatCurrency = ICurrencies.USD;
+                if (st.hasMoreTokens()) {
+                    preferredFiatCurrency = st.nextToken();
+                }
+                return new PoloniexRateSource(preferredFiatCurrency);
+            }
+
+        }
+        return null;
+    }
+
+    @Override
+    public Set<String> getSupportedCryptoCurrencies(){
+        Set<String> result = new HashSet<String>();
+        result.add(ICurrencies.VIA);
+        return result;
+    }
+
+    @Override
+    public Set<String> getSupportedWatchListsNames(){
+        return null;
+    }
+
+    @Override
+    public IWatchList getWatchList(String name){
+        return null;
+    }
+
+}

server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/viacoin/sources/FixPriceRateSource.java

@@ -0,0 +1,56 @@
+package com.generalbytes.batm.server.extensions.extra.viacoin.sources;
+
+import com.generalbytes.batm.server.extensions.ICurrencies;
+import com.generalbytes.batm.server.extensions.IRateSource;
+
+import java.math.BigDecimal;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+* Classes implementing this interface are used by the server to obtain price of specified cryptocurrency in fiat currency
+*/
+public class FixPriceRateSource implements IRateSource {
+    private BigDecimal rate = BigDecimal.ZERO;
+
+    private String preferedFiatCurrency = ICurrencies.USD;
+
+    public FixPriceRateSource(BigDecimal rate, String preferedFiatCurrency)
+    {
+        this.rate = rate;
+        if(ICurrencies.EUR.equalsIgnoreCase(preferedFiatCurrency)){
+            this.preferedFiatCurrency = ICurrencies.EUR;
+        }
+        if(ICurrencies.USD.equalsIgnoreCase(preferedFiatCurrency)){
+            this.preferedFiatCurrency = ICurrencies.USD;
+        }
+    }
+
+    @Override
+    public Set<String> getCryptoCurrencies() {
+        Set<String> result = new HashSet<String>();
+        result.add(ICurrencies.VIA);
+        return result;
+    }
+
+    @Override
+    public BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency){
+        if(ICurrencies.VIA.equalsIgnoreCase(cryptoCurrency)){
+            return rate;
+        }
+        return null;
+    }
+
+    @Override
+    public Set<String> getFiatCurrencies(){
+        Set<String> result = new HashSet<String>();
+        result.add(ICurrencies.USD);
+        result.add(ICurrencies.EUR);
+        return result;
+    }
+
+    @Override
+    public String getPreferredFiatCurrency(){
+        return preferedFiatCurrency;
+    }
+}

server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/viacoin/sources/poloniex/IPoloniexAPI.java

@@ -0,0 +1,33 @@
+/*************************************************************************************
+ * Copyright (C) 2015-2016 GENERAL BYTES s.r.o. All rights reserved.
+ *
+ * This software may be distributed and modified under the terms of the GNU
+ * General Public License version 2 (GPL2) as published by the Free Software
+ * Foundation and appearing in the file GPL2.TXT included in the packaging of
+ * this file. Please note that GPL2 Section 2[b] requires that all works based
+ * on this software must also be made publicly available under the terms of
+ * the GPL2 ("Copyleft").
+ *
+ * Contact information
+ * -------------------
+ *
+ * GENERAL BYTES s.r.o
+ * Web      :  http://www.generalbytes.com
+ *
+ ************************************************************************************/
+package com.generalbytes.batm.server.extensions.extra.viacoin.sources.poloniex;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+
+@Path("/")
+@Produces(MediaType.APPLICATION_JSON)
+public interface IPoloniexAPI {
+
+    @GET
+    @Path("/public")
+    public OrderBookResponse returnOrderBook(@QueryParam("command") String command, @QueryParam("currencyPair") String currencyPair, @QueryParam("depth") long depth);
+}

server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/viacoin/sources/poloniex/OrderBookResponse.java

@@ -0,0 +1,37 @@
+package com.generalbytes.batm.server.extensions.extra.viacoin.sources.poloniex;
+
+import java.math.BigDecimal;
+
+/**
+ * Created by b00lean on 3/8/15.
+ */
+public class OrderBookResponse {
+    private BigDecimal[][] asks;
+    private BigDecimal[][] bids;
+    private String isFrozen;
+
+
+    public BigDecimal[][] getAsks() {
+        return asks;
+    }
+
+    public void setAsks(BigDecimal[][] asks) {
+        this.asks = asks;
+    }
+
+    public BigDecimal[][] getBids() {
+        return bids;
+    }
+
+    public void setBids(BigDecimal[][] bids) {
+        this.bids = bids;
+    }
+
+    public String getIsFrozen() {
+        return isFrozen;
+    }
+
+    public void setIsFrozen(String isFrozen) {
+        this.isFrozen = isFrozen;
+    }
+}

server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/viacoin/sources/poloniex/PoloniexRateSource.java

@@ -0,0 +1,140 @@
+/*************************************************************************************
+ * Copyright (C) 2015-2017 GENERAL BYTES s.r.o. All rights reserved.
+ *
+ * This software may be distributed and modified under the terms of the GNU
+ * General Public License version 2 (GPL2) as published by the Free Software
+ * Foundation and appearing in the file GPL2.TXT included in the packaging of
+ * this file. Please note that GPL2 Section 2[b] requires that all works based
+ * on this software must also be made publicly available under the terms of
+ * the GPL2 ("Copyleft").
+ *
+ * Contact information
+ * -------------------
+ *
+ * GENERAL BYTES s.r.o
+ * Web      :  http://www.generalbytes.com
+ *
+ ************************************************************************************/
+package com.generalbytes.batm.server.extensions.extra.viacoin.sources.poloniex;
+
+import com.generalbytes.batm.server.extensions.ICurrencies;
+import com.generalbytes.batm.server.extensions.IRateSource;
+import com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges.bitfinex.BitfinexExchange;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import si.mazi.rescu.RestProxyFactory;
+
+import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+
+public class PoloniexRateSource implements IRateSource{
+    private static final Logger log = LoggerFactory.getLogger(PoloniexRateSource.class);
+
+    private BitfinexExchange btcRs;
+    private String preferedFiatCurrency;
+    private IPoloniexAPI api;
+
+    private static HashMap<String,BigDecimal> rateAmounts = new HashMap<String, BigDecimal>();
+    private static HashMap<String,Long> rateTimes = new HashMap<String, Long>();
+    private static final long MAXIMUM_ALLOWED_TIME_OFFSET = 30 * 1000; //30sec
+
+    public PoloniexRateSource(String preferedFiatCurrency) {
+        if (preferedFiatCurrency == null) {
+            preferedFiatCurrency = ICurrencies.USD;
+        }
+        this.preferedFiatCurrency = preferedFiatCurrency;
+        btcRs = new BitfinexExchange("***","***");
+        api = RestProxyFactory.createProxy(IPoloniexAPI.class, "https://poloniex.com");
+    }
+
+    @Override
+    public Set<String> getFiatCurrencies() {
+        return btcRs.getFiatCurrencies();
+    }
+
+    @Override
+    public String getPreferredFiatCurrency() {
+        return btcRs.getPreferredFiatCurrency();
+    }
+
+    @Override
+    public Set<String> getCryptoCurrencies() {
+        Set<String> result = new HashSet<String>();
+        result.add(ICurrencies.VIA);
+        return result;
+    }
+
+
+    @Override
+    public BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency) {
+        if (!ICurrencies.VIA.equalsIgnoreCase(cryptoCurrency)) {
+            return null;
+        }
+        String key = cryptoCurrency +"_" + fiatCurrency;
+        synchronized (rateAmounts) {
+            long now  = System.currentTimeMillis();
+            BigDecimal amount = rateAmounts.get(key);
+            if (amount == null) {
+                BigDecimal result = getExchangeRateLastSync(cryptoCurrency, fiatCurrency);
+                log.debug("Called bitcoinaverage exchange for rate: " + key + " = " + result);
+                rateAmounts.put(key,result);
+                rateTimes.put(key,now+MAXIMUM_ALLOWED_TIME_OFFSET);
+                return result;
+            }else {
+                Long expirationTime = rateTimes.get(key);
+                if (expirationTime > now) {
+                    return rateAmounts.get(key);
+                }else{
+                    //do the job;
+                    BigDecimal result = getExchangeRateLastSync(cryptoCurrency, fiatCurrency);
+                    log.debug("Called bitcoinaverage exchange for rate: " + key + " = " + result);
+                    rateAmounts.put(key,result);
+                    rateTimes.put(key,now+MAXIMUM_ALLOWED_TIME_OFFSET);
+                    return result;
+                }
+            }
+        }
+
+    }
+
+    private BigDecimal getExchangeRateLastSync(String cryptoCurrency, String fiatCurrency) {
+        if (!ICurrencies.VIA.equalsIgnoreCase(cryptoCurrency)) {
+            return null; //unsupported currency
+        }
+        OrderBookResponse orderBookResponse = api.returnOrderBook("returnOrderBook", "BTC_VIA", 10000);
+        if (orderBookResponse != null) {
+            BigDecimal[][] asks = orderBookResponse.getAsks();
+            BigDecimal asksTotal = BigDecimal.ZERO;
+            BigDecimal targetAmount = new BigDecimal(100000); //calculate price based on this amount of VIA
+            BigDecimal tradableLimit = BigDecimal.ZERO;
+
+            for (int i = 0; i < asks.length; i++) {
+                BigDecimal[] ask = asks[i];
+                //log.debug("ask = " + ask);
+                asksTotal = asksTotal.add(ask[1]);
+                if (targetAmount.compareTo(asksTotal) <= 0) {
+                    tradableLimit = ask[0];
+                    break;
+                }
+            }
+
+            //System.out.println("tradableLimit = " + tradableLimit);;
+            if (tradableLimit != null) {
+                BigDecimal btcRate = btcRs.getExchangeRateLast(ICurrencies.BTC, fiatCurrency);
+                if (btcRate != null) {
+                    return btcRate.multiply(tradableLimit);
+                }
+            }
+            return null;
+        }
+
+        return null;
+    }
+
+    public static void main(String[] args) {
+        PoloniexRateSource rs = new PoloniexRateSource(ICurrencies.USD);
+        System.out.println("rs = " + rs.getExchangeRateLast(ICurrencies.VIA,ICurrencies.USD));
+    }
+}

server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/viacoin/wallets/viacoind/ViacoindRPCWallet.java

@@ -0,0 +1,120 @@
+/*************************************************************************************
+ * Copyright (C) 2014-2017 GENERAL BYTES s.r.o. All rights reserved.
+ *
+ * This software may be distributed and modified under the terms of the GNU
+ * General Public License version 2 (GPL2) as published by the Free Software
+ * Foundation and appearing in the file GPL2.TXT included in the packaging of
+ * this file. Please note that GPL2 Section 2[b] requires that all works based
+ * on this software must also be made publicly available under the terms of
+ * the GPL2 ("Copyleft").
+ *
+ * Contact information
+ * -------------------
+ *
+ * GENERAL BYTES s.r.o.
+ * Web      :  http://www.generalbytes.com
+ *
+ ************************************************************************************/
+package com.generalbytes.batm.server.extensions.extra.viacoin.wallets.viacoind;
+
+import com.azazar.bitcoin.jsonrpcclient.BitcoinException;
+import com.azazar.bitcoin.jsonrpcclient.BitcoinJSONRPCClient;
+import com.generalbytes.batm.server.extensions.ICurrencies;
+import com.generalbytes.batm.server.extensions.IWallet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.math.BigDecimal;
+import java.net.MalformedURLException;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class ViacoindRPCWallet implements IWallet{
+    private static final Logger log = LoggerFactory.getLogger(ViacoindRPCWallet.class);
+    private static final String CRYPTO_CURRENCY = ICurrencies.VIA;
+
+    public ViacoindRPCWallet(String rpcURL, String accountName){
+        this.rpcURL = rpcURL;
+        this.accountName = accountName;
+    }
+
+    private String rpcURL;
+    private String accountName;
+
+    @Override
+    public Set<String> getCryptoCurrencies(){
+        Set<String> result = new HashSet<String>();
+        result.add(CRYPTO_CURRENCY);
+        return result;
+    }
+
+    @Override
+    public String getPreferredCryptoCurrency(){
+        return CRYPTO_CURRENCY;
+    }
+
+    @Override
+    public String sendCoins(String destinationAddress, BigDecimal amount, String cryptoCurrency, String  description){
+        if(!CRYPTO_CURRENCY.equalsIgnoreCase(cryptoCurrency)){
+            log.error("Viacoind wallet error: unknown cryptocurrency");
+            return null;
+        }
+
+        log.info("Viacoind sending coins from " + accountName + " to: " + destinationAddress + " " + amount);        
+        
+        try {
+            String result = getClient(rpcURL).sendFrom(accountName, destinationAddress, amount.doubleValue());
+            log.debug("result=" + result);
+            return result;
+        }catch(BitcoinException e){
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    @Override
+    public String getCryptoAddress(String cryptoCurrency) {
+        if (!CRYPTO_CURRENCY.equalsIgnoreCase(cryptoCurrency)) {
+            log.error("Viacoind wallet error: unknown cryptocurrency.");
+            return null;
+        }
+
+        try {
+            List<String> addressesByAccount = getClient(rpcURL).getAddressesByAccount(accountName);
+            if (addressesByAccount == null || addressesByAccount.size() == 0) {
+                return null;
+            }else{
+                return addressesByAccount.get(0);
+            }
+        } catch (BitcoinException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    @Override
+    public BigDecimal getCryptoBalance(String cryptoCurrency){
+
+        if(!CRYPTO_CURRENCY.equalsIgnoreCase(cryptoCurrency)){
+            log.error("Viacoind wallet error: unknown cryptocurrency" + cryptoCurrency);
+            return null;
+        }
+        try{
+            double balance = getClient(rpcURL).getBalance(accountName);
+            return BigDecimal.valueOf(balance);
+        }catch(BitcoinException e){
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    private BitcoinJSONRPCClient getClient(String rpcURL){
+        try{
+            return new BitcoinJSONRPCClient(rpcURL);
+        }catch(MalformedURLException e){
+            e.printStackTrace();
+        }
+        return null;
+    }
+}

server_extensions_extra/src/main/resources/batm-extensions.xml

@@ -137,6 +137,26 @@
         </ratesource>
         <cryptologo cryptocurrency="LTC" file="ltc.png"/>
     </extension>
+    <extension class="com.generalbytes.batm.server.extensions.extra.viacoin.ViacoinExtension" >
+        <wallet prefix="viacoind" name="Viacoind">
+            <param name="protocol" />
+            <param name="user" />
+            <param name="password" />
+            <param name="host" />
+            <param name="port" />
+            <param name="accountname" />
+            <cryptocurrency>VIA</cryptocurrency>
+        </wallet>
+        <ratesource prefix="viafix" name ="Fix Price" >
+            <param name="price" />
+            <cryptocurrency>VIA</cryptocurrency>
+        </ratesource>
+        <ratesource prefix="poloniexrs" name ="Poloniex.com vs bitcoinaverage.com" >
+            <param name="fiatcurrency" />
+            <cryptocurrency>VIA</cryptocurrency>
+        </ratesource>
+        <cryptologo cryptocurrency="VIA" file="via.png"/>
+    </extension>
     <extension class="com.generalbytes.batm.server.extensions.extra.worldcoin.WorldcoinExtension" >
         <wallet prefix="worldcoind" name="Worldcoind">
             <param name="protocol" />