Integrate more exchanges using knowm xchange

Add more exchange providers supported by the knowm xchange library.

This extends support for a few new currencies.

build.gradle

@@ -468,12 +468,25 @@ configure(project(':pricenode')) {
         implementation("org.apache.httpcomponents:httpclient:$httpclientVersion") {
             exclude(module: 'commons-codec')
         }
+        compile("org.knowm.xchange:xchange-bitbay:$knowmXchangeVersion")
         compile("org.knowm.xchange:xchange-bitcoinaverage:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-btcmarkets:$knowmXchangeVersion")
         compile("org.knowm.xchange:xchange-binance:$knowmXchangeVersion")
         compile("org.knowm.xchange:xchange-bitfinex:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-bitflyer:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-bitstamp:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-cexio:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-coinmate:$knowmXchangeVersion")
         compile("org.knowm.xchange:xchange-coinmarketcap:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-coinone:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-exmo:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-independentreserve:$knowmXchangeVersion")
         compile("org.knowm.xchange:xchange-kraken:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-luno:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-mercadobitcoin:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-paribu:$knowmXchangeVersion")
         compile("org.knowm.xchange:xchange-poloniex:$knowmXchangeVersion")
+        compile("org.knowm.xchange:xchange-quoine:$knowmXchangeVersion")
         compile("org.springframework.boot:spring-boot-starter-web:$springBootVersion")
         compile("org.springframework.boot:spring-boot-starter-actuator")
         testCompile "org.junit.jupiter:junit-jupiter-api:$jupiterVersion"

pricenode/src/main/java/bisq/price/spot/ExchangeRateProvider.java

@@ -27,6 +27,7 @@ import org.knowm.xchange.ExchangeFactory;
 import org.knowm.xchange.currency.Currency;
 import org.knowm.xchange.currency.CurrencyPair;
 import org.knowm.xchange.dto.marketdata.Ticker;
+import org.knowm.xchange.exceptions.NotYetImplementedForExchangeException;
 import org.knowm.xchange.service.marketdata.MarketDataService;
 import org.knowm.xchange.service.marketdata.params.CurrencyPairsParam;
 import org.knowm.xchange.service.marketdata.params.Params;
@@ -35,6 +36,7 @@ import java.time.Duration;
 
 import java.io.IOException;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Date;
@@ -129,7 +131,7 @@ public abstract class ExchangeRateProvider extends PriceProvider<Set<ExchangeRat
         // The benefits of this approach (vs polling each ticker) are twofold:
         // 1) the polling of the exchange is faster (one HTTP call vs several)
         // 2) it's easier to stay below any API rate limits the exchange might have
-        List<Ticker> tickersRetrievedFromExchange;
+        List<Ticker> tickersRetrievedFromExchange = new ArrayList<>();
         try {
             tickersRetrievedFromExchange = marketDataService.getTickers(new CurrencyPairsParam() {
 
@@ -167,7 +169,49 @@ public abstract class ExchangeRateProvider extends PriceProvider<Set<ExchangeRat
                     return Collections.emptyList();
                 }
             });
-        } catch (IOException e) {
+
+            if (tickersRetrievedFromExchange.isEmpty()) {
+                // If the bulk ticker retrieval went through, but no tickers were
+                // retrieved, this is a strong indication that this specific exchange
+                // needs a specific list of pairs given as argument, for bulk retrieval to
+                // work. See requiresFilterDuringBulkTickerRetrieval()
+                throw new IllegalArgumentException("No tickers retrieved, " +
+                        "exchange requires explicit filter argument during bulk retrieval?");
+            }
+        }
+        catch (NotYetImplementedForExchangeException e) {
+            // Thrown when a provider has no marketDataService.getTickers() implementation
+            // either because the exchange API does not provide it, or because it has not
+            // been implemented yet in the knowm xchange library
+
+            // In this case (retrieval of bulk tickers is not possible) retrieve the
+            // tickers one by one
+            List<Ticker> finalTickersRetrievedFromExchange = tickersRetrievedFromExchange;
+            Stream.of(desiredFiatPairs, desiredCryptoPairs)
+                    .flatMap(Collection::stream)
+                    .collect(Collectors.toList())
+                    .forEach(cp -> {
+                        try {
+
+                            // This is done in a loop, and can therefore result in a burst
+                            // of API calls. Some exchanges do not allow bursts
+                            // A simplistic solution is to delay every call by 1 second
+                            // TODO Switch to using a more elegant solution (per exchange)
+                            // like ResilienceSpecification (needs knowm xchange libs v5)
+                            if (getMarketDataCallDelay() > 0) {
+                                Thread.sleep(getMarketDataCallDelay());
+                            }
+
+                            Ticker ticker = marketDataService.getTicker(cp);
+                            finalTickersRetrievedFromExchange.add(ticker);
+
+                        } catch (IOException | InterruptedException ioException) {
+                            ioException.printStackTrace();
+                            log.error("Could not query tickers for " + getName(), e);
+                        }
+                    });
+        }
+        catch (Exception e) {
             // If there was a problem with polling this exchange, return right away,
             // since there are no results to parse and process
             log.error("Could not query tickers for provider " + getName(), e);
@@ -209,6 +253,18 @@ public abstract class ExchangeRateProvider extends PriceProvider<Set<ExchangeRat
         return result;
     }
 
+    /**
+     * Specifies optional delay between certain kind of API calls that can result in
+     * bursts. We want to avoid bursts, because this can cause certain exchanges to
+     * temporarily restrict access to the pricenode IP.
+     *
+     * @return Amount of milliseconds of delay between marketDataService.getTicker calls.
+     * By default 0, but can be overwritten by each provider.
+     */
+    protected long getMarketDataCallDelay() {
+        return 0;
+    }
+
     /**
      * @return Whether or not the bulk retrieval of tickers from the exchange requires an
      * explicit filter (list of desired pairs) or not. If true, the

pricenode/src/main/java/bisq/price/spot/providers/BTCMarkets.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.btcmarkets.BTCMarketsExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class BTCMarkets extends ExchangeRateProvider {
+
+    public BTCMarkets() {
+        super("BTCMARKETS", "btcmarkets", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: AUD
+        // Supported alts: ETH, LTC
+        return doGet(BTCMarketsExchange.class);
+    }
+
+}

pricenode/src/main/java/bisq/price/spot/providers/Binance.java

@@ -37,9 +37,9 @@ class Binance extends ExchangeRateProvider {
 
     @Override
     public Set<ExchangeRate> doGet() {
-        // Supported fiat: EUR, NGN, RUB, TRY, ZAR
-        // Supported alts: BEAM, DASH, DCR, DOGE, ETC, ETH, LTC, NAV, PIVX, XMR, XZC, ZEC,
-        // ZEN
+        // Supported fiat: EUR, GBP, NGN, RUB, TRY, UAH, ZAR
+        // Supported alts: BEAM, DAI, DASH, DCR, DOGE, ETC, ETH, LTC, NAV, PIVX, XMR, XZC,
+        // ZEC, ZEN
         return doGet(BinanceExchange.class);
     }
 }

pricenode/src/main/java/bisq/price/spot/providers/Bitbay.java

@@ -0,0 +1,44 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.bitbay.BitbayExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Bitbay extends ExchangeRateProvider {
+
+    public Bitbay() {
+        super("BITBAY", "bitbay", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: EUR, GBP, PLN, USD
+        // Supported alts: DASH, ETH, LTC
+        return doGet(BitbayExchange.class);
+    }
+}

pricenode/src/main/java/bisq/price/spot/providers/Bitflyer.java

@@ -0,0 +1,44 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.bitflyer.BitflyerExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Bitflyer extends ExchangeRateProvider {
+
+    public Bitflyer() {
+        super("BITFLYER", "bitflyer", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: JPY
+        // Supported alts: ETH
+        return doGet(BitflyerExchange.class);
+    }
+}

pricenode/src/main/java/bisq/price/spot/providers/Bitstamp.java

@@ -0,0 +1,44 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.bitstamp.BitstampExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Bitstamp extends ExchangeRateProvider {
+
+    public Bitstamp() {
+        super("BITSTAMP", "bitstamp", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: EUR, GBP, USD
+        // Supported alts: ETH, LTC
+        return doGet(BitstampExchange.class);
+    }
+}

pricenode/src/main/java/bisq/price/spot/providers/CexIO.java

@@ -0,0 +1,49 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.cexio.CexIOExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class CexIO extends ExchangeRateProvider {
+
+    public CexIO() {
+        super("CexIO", "cexio", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: EUR, GBP, RUB, USD
+        // Supported alts: DASH, ETH, LTC
+        return doGet(CexIOExchange.class);
+    }
+
+    @Override
+    protected boolean requiresFilterDuringBulkTickerRetrieval() {
+        return true;
+    }
+}

pricenode/src/main/java/bisq/price/spot/providers/Coinmate.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.coinmate.CoinmateExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Coinmate extends ExchangeRateProvider {
+
+    public Coinmate() {
+        super("Coinmate", "coinmate", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: CZK, EUR
+        // Supported alts: DASH, ETH, LTC
+        return doGet(CoinmateExchange.class);
+    }
+
+}

pricenode/src/main/java/bisq/price/spot/providers/Coinone.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.coinone.CoinoneExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Coinone extends ExchangeRateProvider {
+
+    public Coinone() {
+        super("COINONE", "coinone", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: KRW
+        // Supported alts: -
+        return doGet(CoinoneExchange.class);
+    }
+
+}

pricenode/src/main/java/bisq/price/spot/providers/Exmo.java

@@ -0,0 +1,46 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.exmo.ExmoExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Exmo extends ExchangeRateProvider {
+
+    public Exmo() {
+        // API rate limit = 10 calls / second from the same IP ( see https://exmo.com/en/api )
+        super("EXMO", "exmo", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: EUR, PLN, RUB, UAH (Ukrainian hryvnia), USD
+        // Supported alts: DASH, DOGE, ETC, ETH, LTC, XMR, ZEC
+        return doGet(ExmoExchange.class);
+    }
+
+}

pricenode/src/main/java/bisq/price/spot/providers/IndependentReserve.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.independentreserve.IndependentReserveExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class IndependentReserve extends ExchangeRateProvider {
+
+    public IndependentReserve() {
+        super("IndependentReserve", "independentreserve", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: AUD, NZD (New Zealand Dollar), USD
+        // Supported alts: -
+        return doGet(IndependentReserveExchange.class);
+    }
+
+}

pricenode/src/main/java/bisq/price/spot/providers/Luno.java

@@ -0,0 +1,52 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.luno.LunoExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Luno extends ExchangeRateProvider {
+
+    public Luno() {
+        super("LUNO", "luno", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: IDR (Indonesian rupiah), MYR (Malaysian ringgit),
+        // NGN (Nigerian Naira), ZAR (South African rand)
+        // Supported alts: -
+        return doGet(LunoExchange.class);
+    }
+
+    @Override
+    protected long getMarketDataCallDelay() {
+        // Luno allows only 1 MarketData call per second
+        // (see https://www.luno.com/en/developers/api )
+        return 1000;
+    }
+}

pricenode/src/main/java/bisq/price/spot/providers/MercadoBitcoin.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.mercadobitcoin.MercadoBitcoinExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class MercadoBitcoin extends ExchangeRateProvider {
+
+    public MercadoBitcoin() {
+        super("MercadoBitcoin", "mercadobitcoin", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: BRL (Brazilian Real)
+        // Supported alts: -
+        return doGet(MercadoBitcoinExchange.class);
+    }
+
+}

pricenode/src/main/java/bisq/price/spot/providers/Paribu.java

@@ -0,0 +1,44 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.paribu.ParibuExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Paribu extends ExchangeRateProvider {
+
+    public Paribu() {
+        super("PARIBU", "paribu", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: TRY (Turkish Lira)
+        // Supported alts: -
+        return doGet(ParibuExchange.class);
+    }
+}

pricenode/src/main/java/bisq/price/spot/providers/Poloniex.java

@@ -38,7 +38,7 @@ class Poloniex extends ExchangeRateProvider {
     @Override
     public Set<ExchangeRate> doGet() {
         // Supported fiat: -
-        // Supported alts: DASH, DCR, DOGE, ETC, ETH, GRIN, LTC, XMR, ZEC
+        // Supported alts: DASH, DCR, DOGE, ETC, ETH, LTC, XMR, ZEC
         return doGet(PoloniexExchange.class);
     }
 }

pricenode/src/main/java/bisq/price/spot/providers/Quoine.java

@@ -0,0 +1,49 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.spot.ExchangeRate;
+import bisq.price.spot.ExchangeRateProvider;
+
+import org.knowm.xchange.quoine.QuoineExchange;
+
+import org.springframework.stereotype.Component;
+
+import java.time.Duration;
+
+import java.util.Set;
+
+@Component
+class Quoine extends ExchangeRateProvider {
+
+    public Quoine() {
+        super("QUOINE", "quoine", Duration.ofMinutes(1));
+    }
+
+    @Override
+    public Set<ExchangeRate> doGet() {
+        // Supported fiat: AUD, CNY, EUR, HKD, IDR, INR, JPY, PHP, SGD, USD
+        // Supported alts: ETH
+        return doGet(QuoineExchange.class);
+    }
+
+    @Override
+    protected boolean requiresFilterDuringBulkTickerRetrieval() {
+        return true;
+    }
+}

pricenode/src/test/java/bisq/price/spot/providers/BTCMarketsTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class BTCMarketsTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new BTCMarkets());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/BitbayTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class BitbayTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Bitbay());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/BitflyerTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class BitflyerTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Bitflyer());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/BitstampTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class BitstampTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Bitstamp());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/CexIOTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class CexIOTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new CexIO());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/CoinmateTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class CoinmateTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Coinmate());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/CoinoneTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class CoinoneTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Coinone());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/ExmoTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class ExmoTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Exmo());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/IndependentReserveTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class IndependentReserveTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new IndependentReserve());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/LunoTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class LunoTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Luno());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/MercadoBitcoinTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class MercadoBitcoinTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new MercadoBitcoin());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/ParibuTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class ParibuTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Paribu());
+    }
+
+}

pricenode/src/test/java/bisq/price/spot/providers/QuoineTest.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.price.spot.providers;
+
+import bisq.price.AbstractExchangeRateProviderTest;
+
+import lombok.extern.slf4j.Slf4j;
+
+import org.junit.jupiter.api.Test;
+
+@Slf4j
+public class QuoineTest extends AbstractExchangeRateProviderTest {
+
+    @Test
+    public void doGet_successfulCall() {
+        doGet_successfulCall(new Quoine());
+    }
+
+}