Add common module

.gitignore

@@ -36,4 +36,4 @@ hs_err_pid*
 .DS_Store
 .gradle
 build
-
+out

buildSrc/lombok-dependencies.gradle

@@ -0,0 +1,7 @@
+dependencies {
+    api platform(project(':platforms:common-platform'))
+    compileOnly 'org.projectlombok:lombok:1.18.20'
+    annotationProcessor 'org.projectlombok:lombok:1.18.20'
+    testCompileOnly 'org.projectlombok:lombok:1.18.20'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.20'
+}

common/build.gradle

@@ -9,10 +9,15 @@ repositories {
 apply from: '../buildSrc/misq-version.gradle'
 apply from: '../buildSrc/logging-dependencies.gradle'
 apply from: '../buildSrc/test-dependencies.gradle'
+apply from: '../buildSrc/lombok-dependencies.gradle'
 
 dependencies {
+    api platform(project(':platforms:common-platform'))
+
+    implementation 'com.google.guava:guava'
 }
 
 test {
     useJUnitPlatform()
+    exclude '**/**Integration*'
 }

common/src/main/java/network/misq/common/Disposable.java

@@ -0,0 +1,22 @@
+/*
+ * 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 network.misq.common;
+
+public interface Disposable {
+    void dispose();
+}

common/src/main/java/network/misq/common/ObjectSerializer.java

@@ -0,0 +1,42 @@
+/*
+ * 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 network.misq.common;
+
+import java.io.*;
+
+public class ObjectSerializer {
+    public static Serializable deserialize(byte[] bytes) {
+        try (ByteArrayInputStream bis = new ByteArrayInputStream(bytes)) {
+            ObjectInput in = new ObjectInputStream(bis);
+            return (Serializable) in.readObject();
+        } catch (IOException | ClassNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static byte[] serialize(Serializable object) {
+        try (ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+             ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream)) {
+            objectOutputStream.writeObject(object);
+            objectOutputStream.flush();
+            return byteArrayOutputStream.toByteArray();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

common/src/main/java/network/misq/common/currency/CryptoCurrency.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 network.misq.common.currency;
+
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+@EqualsAndHashCode(callSuper = true)
+@ToString
+public final class CryptoCurrency extends MisqCurrency {
+    // http://boschista.deviantart.com/journal/Cool-ASCII-Symbols-214218618
+    private final static String PREFIX = "✦ ";
+
+    @Getter
+    private final boolean isAsset;
+
+    public CryptoCurrency(String currencyCode,
+                          String name) {
+        this(currencyCode, name, false);
+    }
+
+    public CryptoCurrency(String currencyCode,
+                          String name,
+                          boolean isAsset) {
+        super(currencyCode, name);
+
+        this.isAsset = isAsset;
+    }
+
+    @Override
+    public String getDisplayPrefix() {
+        return PREFIX;
+    }
+
+}

common/src/main/java/network/misq/common/currency/FiatCurrency.java

@@ -0,0 +1,53 @@
+/*
+ * 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 network.misq.common.currency;
+
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+import java.util.Currency;
+import java.util.Locale;
+
+@EqualsAndHashCode(callSuper = true)
+@ToString
+
+public final class FiatCurrency extends MisqCurrency {
+    // http://boschista.deviantart.com/journal/Cool-ASCII-Symbols-214218618
+    private final static String PREFIX = "★ ";
+
+    @Getter
+    private final Currency currency;
+
+    public FiatCurrency(String currencyCode, Locale locale) {
+        this(Currency.getInstance(currencyCode), locale);
+    }
+
+    public FiatCurrency(Currency currency, Locale locale) {
+        super(currency.getCurrencyCode(), currency.getDisplayName(locale));
+
+        this.currency = currency;
+    }
+
+    @Override
+    public String getDisplayPrefix() {
+        return PREFIX;
+    }
+
+}

common/src/main/java/network/misq/common/currency/FiatCurrencyRepository.java

@@ -0,0 +1,60 @@
+/*
+ * 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 network.misq.common.currency;
+
+import network.misq.common.locale.CountryRepository;
+import network.misq.common.locale.LocaleRepository;
+
+import java.util.Currency;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+public class FiatCurrencyRepository {
+    private static Map<String, FiatCurrency> fiatCurrencyByCode;
+
+    static {
+        applyLocale(LocaleRepository.getDefaultLocale());
+    }
+
+    // Need to be called at application setup with user locale
+    public static void applyLocale(Locale locale) {
+        fiatCurrencyByCode = CountryRepository.COUNTRIES.stream()
+                .map(country -> getFiatCurrencyByCountryCode(country.code(), locale))
+                .distinct()
+                .collect(Collectors.toMap(FiatCurrency::getCode, Function.identity(), (x, y) -> x, HashMap::new));
+    }
+
+    public static FiatCurrency getFiatCurrencyByCountryCode(String countryCode, Locale locale) {
+        if (countryCode.equals("XK")) {
+            return new FiatCurrency("EUR", locale);
+        }
+
+        Currency currency = Currency.getInstance(new Locale(locale.getLanguage(), countryCode));
+        return new FiatCurrency(currency.getCurrencyCode(), locale);
+    }
+
+    public static Map<String, FiatCurrency> getFiatCurrencyByCode() {
+        checkNotNull(fiatCurrencyByCode, "applyLocale need to be called before accessing getFiatCurrencyByCode");
+        return fiatCurrencyByCode;
+    }
+}

common/src/main/java/network/misq/common/currency/MisqCurrency.java

@@ -0,0 +1,63 @@
+/*
+ * 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 network.misq.common.currency;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+@EqualsAndHashCode
+@ToString
+@Getter
+public abstract class MisqCurrency implements Comparable<MisqCurrency> {
+    protected final String code;
+    @EqualsAndHashCode.Exclude
+    protected final String name;
+
+    public static boolean isFiat(String code) {
+        return FiatCurrencyRepository.getFiatCurrencyByCode().containsKey(code);
+    }
+
+    // We only can check if the currency is not fiat and if the code matches the format, but we do not maintain a list 
+    // of crypto currencies to be flexible with any newly added one. 
+    public static boolean isMaybeCrypto(String code) {
+        return !isFiat(code) && code.length() >= 3;
+    }
+
+    public MisqCurrency(String code, String name) {
+        this.code = code;
+        this.name = name;
+    }
+
+    public String getDisplayPrefix() {
+        return "";
+    }
+
+    public String getNameAndCode() {
+        return name + " (" + code + ")";
+    }
+
+    public String getCodeAndName() {
+        return code + " (" + name + ")";
+    }
+
+    @Override
+    public int compareTo(MisqCurrency other) {
+        return this.name.compareTo(other.name);
+    }
+}

common/src/main/java/network/misq/common/data/Couple.java

@@ -0,0 +1,23 @@
+/*
+ * 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 network.misq.common.data;
+
+import java.io.Serializable;
+
+public record Couple<A, B>(A first, B second) implements Serializable {
+}

common/src/main/java/network/misq/common/data/Triple.java

@@ -0,0 +1,21 @@
+/*
+ * 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 network.misq.common.data;
+
+public record Triple<A, B, C>(A first, B second, C third) {
+}