commit
61e85f9f3b
|
@ -25,6 +25,7 @@ public interface ICurrencies {
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public static final String MAX = "MAX";
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public static final String LEO = "LEO";
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public static final String NLG = "NLG";
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public static final String GRS = "GRS";
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public static final String ICG = "ICG";
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public static final String NBT = "NBT";
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@ -139,6 +139,25 @@
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</ratesource>
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<cryptologo cryptocurrency="NLG" file="nlg.png"/>
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</extension>
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<extension class="com.generalbytes.batm.server.extensions.extra.groestlcoin.GroestlcoinExtension" >
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<wallet prefix="groestlcoind" name="groestlcoind">
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<param name="protocol" />
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<param name="user" />
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<param name="password" />
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<param name="host" />
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<param name="port" />
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<param name="accountname" />
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<cryptocurrency>GRS</cryptocurrency>
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</wallet>
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<ratesource prefix="nlgfix" name ="Fix Price" >
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<param name="price" />
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<cryptocurrency>GRS</cryptocurrency>
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</ratesource>
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<ratesource prefix="groestlcoincom" name="Groestlcoin.org" >
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<cryptocurrency>GRS</cryptocurrency>
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</ratesource>
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<cryptologo cryptocurrency="GRS" file="groestl.png"/>
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</extension>
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<extension class="com.generalbytes.batm.server.extensions.extra.incognitocoin.IncognitocoinExtension" >
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<wallet prefix="incognitocoind" name="Incognitocoind">
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<param name="protocol" />
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Binary file not shown.
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@ -0,0 +1,61 @@
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/*************************************************************************************
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* Copyright (C) 2014 GENERAL BYTES s.r.o. All rights reserved.
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*
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* This software may be distributed and modified under the terms of the GNU
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* General Public License version 2 (GPL2) as published by the Free Software
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* Foundation and appearing in the file GPL2.TXT included in the packaging of
|
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* this file. Please note that GPL2 Section 2[b] requires that all works based
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* on this software must also be made publicly available under the terms of
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* the GPL2 ("Copyleft").
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*
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* Contact information
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* -------------------
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*
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* GENERAL BYTES s.r.o.
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* Web : http://www.generalbytes.com
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*
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************************************************************************************/
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package com.generalbytes.batm.server.extensions.extra.groestlcoin;
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import com.generalbytes.batm.server.coinutil.AddressFormatException;
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import com.generalbytes.batm.server.coinutil.Base58;
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import com.generalbytes.batm.server.extensions.ExtensionsUtil;
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import com.generalbytes.batm.server.extensions.ICryptoAddressValidator;
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public class GroestlcoinAddressValidator implements ICryptoAddressValidator {
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@Override
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public boolean isAddressValid(String address) {
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boolean result = isGroestlcoinAddressValid(address);
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if (!result) {
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result = isPaperWalletSupported() && ExtensionsUtil.isValidEmailAddress(address);
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}
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return result;
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}
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private static boolean isGroestlcoinAddressValid(String address) {
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if (address.startsWith("G")) {
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try {
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Base58.decodeToBigInteger(address);
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Base58.decodeChecked(address);
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} catch (AddressFormatException e) {
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e.printStackTrace();
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return false;
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}
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return true;
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}else{
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return false;
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}
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}
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@Override
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public boolean isPaperWalletSupported() {
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return false;
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}
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@Override
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public boolean mustBeBase58Address() {
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return true;
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}
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}
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@ -0,0 +1,125 @@
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/*************************************************************************************
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* Copyright (C) 2014 GENERAL BYTES s.r.o. All rights reserved.
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*
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* This software may be distributed and modified under the terms of the GNU
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* General Public License version 2 (GPL2) as published by the Free Software
|
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* Foundation and appearing in the file GPL2.TXT included in the packaging of
|
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* this file. Please note that GPL2 Section 2[b] requires that all works based
|
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* on this software must also be made publicly available under the terms of
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* the GPL2 ("Copyleft").
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*
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* Contact information
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* -------------------
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*
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* GENERAL BYTES s.r.o.
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* Web : http://www.generalbytes.com
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*
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************************************************************************************/
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package com.generalbytes.batm.server.extensions.extra.groestlcoin;
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import com.generalbytes.batm.server.extensions.*;
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import com.generalbytes.batm.server.extensions.extra.groestlcoin.sources.FixPriceRateSource;
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import com.generalbytes.batm.server.extensions.extra.groestlcoin.sources.GroestlcoinTickerRateSource;
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import com.generalbytes.batm.server.extensions.extra.groestlcoin.wallets.groestlcoind.GroestlcoindRPCWallet;
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import java.math.BigDecimal;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.StringTokenizer;
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public class GroestlcoinExtension implements IExtension{
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@Override
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public String getName() {
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return "BATM Groestlcoin extension";
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}
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@Override
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public IExchange createExchange(String exchangeLogin) {
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return null;
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}
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@Override
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public IWallet createWallet(String walletLogin) {
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if (walletLogin !=null && !walletLogin.trim().isEmpty()) {
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StringTokenizer st = new StringTokenizer(walletLogin,":");
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String walletType = st.nextToken();
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if ("groestlcoind".equalsIgnoreCase(walletType)) {
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//"groestlcoind:protocol:user:password:ip:port:accountname"
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String protocol = st.nextToken();
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String username = st.nextToken();
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String password = st.nextToken();
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String hostname = st.nextToken();
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String port = st.nextToken();
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String accountName ="";
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if (st.hasMoreTokens()) {
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accountName = st.nextToken();
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}
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if (protocol != null && username != null && password != null && hostname !=null && port != null && accountName != null) {
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String rpcURL = protocol +"://" + username +":" + password + "@" + hostname +":" + port;
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return new GroestlcoindRPCWallet(rpcURL,accountName);
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}
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}
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}
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return null;
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}
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@Override
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public ICryptoAddressValidator createAddressValidator(String cryptoCurrency) {
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if (ICurrencies.GRS.equalsIgnoreCase(cryptoCurrency)) {
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return new GroestlcoinAddressValidator();
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}
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return null;
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}
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@Override
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public IPaperWalletGenerator createPaperWalletGenerator(String cryptoCurrency) {
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return null;
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}
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@Override
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public IRateSource createRateSource(String sourceLogin) {
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if (sourceLogin != null && !sourceLogin.trim().isEmpty()) {
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StringTokenizer st = new StringTokenizer(sourceLogin,":");
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String prefix = st.nextToken();
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if ("grsfix".equalsIgnoreCase(prefix)) {
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BigDecimal rate = BigDecimal.ZERO;
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if (st.hasMoreTokens()) {
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try {
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rate = new BigDecimal(st.nextToken());
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} catch (Throwable e) {
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}
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}
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String preferedFiatCurrency = ICurrencies.USD;
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if (st.hasMoreTokens()) {
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preferedFiatCurrency = st.nextToken();
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}
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return new FixPriceRateSource(rate,preferedFiatCurrency);
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}else if ("groestlcoincom".equalsIgnoreCase(prefix)) {
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return new GroestlcoinTickerRateSource();
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}
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}
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return null;
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}
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@Override
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public IPaymentProcessor createPaymentProcessor(String paymentProcessorLogin) {
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return null; //no payment processors available
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}
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@Override
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public Set<String> getSupportedCryptoCurrencies() {
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Set<String> result = new HashSet<String>();
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result.add(ICurrencies.GRS);
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return result;
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}
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}
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@ -0,0 +1,54 @@
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package com.generalbytes.batm.server.extensions.extra.groestlcoin.sources;
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import com.generalbytes.batm.server.extensions.ICurrencies;
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import com.generalbytes.batm.server.extensions.IRateSource;
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import java.math.BigDecimal;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* Created by b00lean on 7/31/14.
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*/
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public class FixPriceRateSource implements IRateSource {
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private BigDecimal rate = BigDecimal.ZERO;
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private String preferedFiatCurrency = ICurrencies.USD;
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public FixPriceRateSource(BigDecimal rate,String preferedFiatCurrency) {
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this.rate = rate;
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if (ICurrencies.EUR.equalsIgnoreCase(preferedFiatCurrency)) {
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this.preferedFiatCurrency = ICurrencies.EUR;
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}
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if (ICurrencies.USD.equalsIgnoreCase(preferedFiatCurrency)) {
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this.preferedFiatCurrency = ICurrencies.USD;
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}
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}
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@Override
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public Set<String> getCryptoCurrencies() {
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Set<String> result = new HashSet<String>();
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result.add(ICurrencies.GRS);
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return result;
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}
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@Override
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public BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency) {
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if (ICurrencies.GRS.equalsIgnoreCase(cryptoCurrency)) {
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return rate;
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}
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return null;
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}
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@Override
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public Set<String> getFiatCurrencies() {
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Set<String> result = new HashSet<String>();
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result.add(ICurrencies.EUR);
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return result;
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}
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@Override
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public String getPreferredFiatCurrency() {
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return preferedFiatCurrency;
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}
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}
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@ -0,0 +1,122 @@
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/*************************************************************************************
|
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* Copyright (C) 2014 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
|
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*
|
||||
************************************************************************************/
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package com.generalbytes.batm.server.extensions.extra.groestlcoin.sources;
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import com.generalbytes.batm.server.extensions.ICurrencies;
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import com.generalbytes.batm.server.extensions.IRateSource;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import si.mazi.rescu.RestProxyFactory;
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import java.math.BigDecimal;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Set;
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public class GroestlcoinTickerRateSource implements IRateSource{
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private static final Logger log = LoggerFactory.getLogger(GroestlcoinTickerRateSource.class);
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private static HashMap<String,BigDecimal> rateAmounts = new HashMap<String, BigDecimal>();
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private static HashMap<String,Long> rateTimes = new HashMap<String, Long>();
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private static final long MAXIMUM_ALLOWED_TIME_OFFSET = 30 * 1000; //30sec
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private IGroestlcoinTickerRateAPI api;
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public GroestlcoinTickerRateSource() {
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api = RestProxyFactory.createProxy(IGroestlcoinTickerRateAPI.class, "https://markets.groestlcoin.com");
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}
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@Override
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public BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency) {
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if (!(ICurrencies.GRS.equalsIgnoreCase(cryptoCurrency))) {
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return null;
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}
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if (!(ICurrencies.EUR.equalsIgnoreCase(fiatCurrency))) {
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return null;
|
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}
|
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String key = cryptoCurrency +"_" + fiatCurrency;
|
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synchronized (rateAmounts) {
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long now = System.currentTimeMillis();
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BigDecimal amount = rateAmounts.get(key);
|
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if (amount == null) {
|
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BigDecimal result = getExchangeRateLastSync(cryptoCurrency, fiatCurrency);
|
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log.debug("Called GroestlcoinTicker exchange for rate: " + key + " = " + result);
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rateAmounts.put(key,result);
|
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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 GroestlcoinTicker 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.GRS.equalsIgnoreCase(cryptoCurrency))) {
|
||||
return null;
|
||||
}
|
||||
if (!(ICurrencies.EUR.equalsIgnoreCase(fiatCurrency))) {
|
||||
return null;
|
||||
}
|
||||
GroestlcoinTickerResponse ticker = api.getTicker();
|
||||
if (ticker != null && ticker.getEUR() != null) {
|
||||
if (ICurrencies.EUR.equalsIgnoreCase(fiatCurrency)){
|
||||
return ticker.getEUR().getSell15m();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Set<String> getCryptoCurrencies() {
|
||||
Set<String> result = new HashSet<String>();
|
||||
result.add(ICurrencies.GRS);
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Set<String> getFiatCurrencies() {
|
||||
Set<String> result = new HashSet<String>();
|
||||
result.add(ICurrencies.EUR);
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getPreferredFiatCurrency() {
|
||||
return ICurrencies.EUR;
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
BigDecimal exchangeRateLast = (new GroestlcoinTickerRateSource()).getExchangeRateLast("GRS", "EUR");
|
||||
System.out.println("exchangeRateLast = " + exchangeRateLast);
|
||||
}
|
||||
|
||||
|
||||
}
|
|
@ -0,0 +1,153 @@
|
|||
/*************************************************************************************
|
||||
* Copyright (C) 2014 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.groestlcoin.sources;
|
||||
|
||||
import com.fasterxml.jackson.annotation.JsonProperty;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
|
||||
public class GroestlcoinTickerResponse {
|
||||
@JsonProperty("EUR")
|
||||
private EUR euro;
|
||||
@JsonProperty("BTC")
|
||||
private BTC btc;
|
||||
|
||||
public class BTC {
|
||||
private String code;
|
||||
private String symbol;
|
||||
private BigDecimal buy;
|
||||
private BigDecimal sell;
|
||||
private BigDecimal buy15m;
|
||||
private BigDecimal sell15m;
|
||||
|
||||
public String getCode() {
|
||||
return code;
|
||||
}
|
||||
public void setCode(String code) {
|
||||
this.code = code;
|
||||
}
|
||||
|
||||
public String getSymbol() {
|
||||
return symbol;
|
||||
}
|
||||
public void setSymbol(String symbol) {
|
||||
this.symbol = symbol;
|
||||
}
|
||||
|
||||
public BigDecimal getBuy() {
|
||||
return buy;
|
||||
}
|
||||
|
||||
public void setBuy(BigDecimal buy) {
|
||||
this.buy = buy;
|
||||
}
|
||||
|
||||
public BigDecimal getSell() {
|
||||
return sell;
|
||||
}
|
||||
|
||||
public void setSell(BigDecimal sell) {
|
||||
this.sell = sell;
|
||||
}
|
||||
|
||||
public BigDecimal getBuy15m() {
|
||||
return buy15m;
|
||||
}
|
||||
|
||||
public void setBuy15m(BigDecimal buy15m) {
|
||||
this.buy15m = buy15m;
|
||||
}
|
||||
|
||||
public BigDecimal getSell15m() {
|
||||
return sell15m;
|
||||
}
|
||||
|
||||
public void setSell15m(BigDecimal sell15m) {
|
||||
this.sell15m = sell15m;
|
||||
}
|
||||
}
|
||||
|
||||
public class EUR {
|
||||
private String code;
|
||||
private String symbol;
|
||||
private BigDecimal buy;
|
||||
private BigDecimal sell;
|
||||
private BigDecimal buy15m;
|
||||
private BigDecimal sell15m;
|
||||
|
||||
public String getCode() {
|
||||
return code;
|
||||
}
|
||||
public void setCode(String code) {
|
||||
this.code = code;
|
||||
}
|
||||
|
||||
public String getSymbol() {
|
||||
return symbol;
|
||||
}
|
||||
public void setSymbol(String symbol) {
|
||||
this.symbol = symbol;
|
||||
}
|
||||
|
||||
public BigDecimal getBuy() {
|
||||
return buy;
|
||||
}
|
||||
|
||||
public void setBuy(BigDecimal buy) {
|
||||
this.buy = buy;
|
||||
}
|
||||
|
||||
public BigDecimal getSell() {
|
||||
return sell;
|
||||
}
|
||||
|
||||
public void setSell(BigDecimal sell) {
|
||||
this.sell = sell;
|
||||
}
|
||||
|
||||
public BigDecimal getBuy15m() {
|
||||
return buy15m;
|
||||
}
|
||||
|
||||
public void setBuy15m(BigDecimal buy15m) {
|
||||
this.buy15m = buy15m;
|
||||
}
|
||||
|
||||
public BigDecimal getSell15m() {
|
||||
return sell15m;
|
||||
}
|
||||
|
||||
public void setSell15m(BigDecimal sell15m) {
|
||||
this.sell15m = sell15m;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
public EUR getEUR() {
|
||||
return euro;
|
||||
}
|
||||
public void setEUR(EUR euro) {
|
||||
this.euro = euro;
|
||||
}
|
||||
public BTC getBTC() {
|
||||
return btc;
|
||||
}
|
||||
public void setBTC(BTC btc) {
|
||||
this.btc = btc;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,31 @@
|
|||
/*************************************************************************************
|
||||
* Copyright (C) 2014 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.groestlcoin.sources;
|
||||
|
||||
import javax.ws.rs.GET;
|
||||
import javax.ws.rs.Path;
|
||||
import javax.ws.rs.Produces;
|
||||
import javax.ws.rs.core.MediaType;
|
||||
|
||||
@Path("/api/v1/")
|
||||
@Produces(MediaType.APPLICATION_JSON)
|
||||
public interface IGroestlcoinTickerRateAPI {
|
||||
@GET
|
||||
@Path("ticker")
|
||||
GroestlcoinTickerResponse getTicker();
|
||||
}
|
|
@ -0,0 +1,120 @@
|
|||
/*************************************************************************************
|
||||
* Copyright (C) 2014 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.groestlcoin.wallets.groestlcoind;
|
||||
|
||||
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 GroestlcoindRPCWallet implements IWallet{
|
||||
private static final Logger log = LoggerFactory.getLogger(GroestlcoindRPCWallet.class);
|
||||
private static final String CRYPTO_CURRENCY = ICurrencies.GRS;
|
||||
|
||||
public GroestlcoindRPCWallet(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("Groestlcoind wallet error: unknown cryptocurrency.");
|
||||
return null;
|
||||
}
|
||||
|
||||
log.info("Groestlcoind 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("Groestlcoind 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("Groestlcoind wallet error: unknown cryptocurrency: " + cryptoCurrency);
|
||||
return null;
|
||||
}
|
||||
try {
|
||||
double balance = getClient(rpcURL).getBalance(accountName);
|
||||
return new BigDecimal(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;
|
||||
}
|
||||
|
||||
}
|
Loading…
Reference in New Issue