support Tron (TRX)

assets/src/main/java/haveno/asset/TronAddressValidator.java

@@ -0,0 +1,104 @@
+/*
+ * This file is part of Haveno.
+ *
+ * Haveno 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.
+ *
+ * Haveno 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 Haveno. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package haveno.asset;
+
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.util.Arrays;
+
+/**
+ * Validates a Tron address.
+ */
+public class TronAddressValidator implements AddressValidator {
+
+    private static final String BASE58_ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+    private static final byte MAINNET_PREFIX = 0x41;
+
+    public TronAddressValidator() {
+    }
+
+    @Override
+    public AddressValidationResult validate(String address) {
+        if (!isValidTronAddress(address)) {
+            return AddressValidationResult.invalidStructure();
+        }
+        return AddressValidationResult.validAddress();
+    }
+
+    /**
+     * Checks if the given address is a valid Solana address.
+     * 
+     * This code is AI-generated and has been tested with a variety of addresses.
+     * 
+     * @param addr the address to validate
+     * @return true if the address is valid, false otherwise
+     */
+    private static boolean isValidTronAddress(String address) {
+        if (address == null || address.length() != 34) return false;
+
+        byte[] decoded = decodeBase58(address);
+        if (decoded == null || decoded.length != 25) return false; // 21 bytes data + 4 bytes checksum
+
+        // Check checksum
+        byte[] data = Arrays.copyOfRange(decoded, 0, 21);
+        byte[] checksum = Arrays.copyOfRange(decoded, 21, 25);
+        byte[] calculatedChecksum = Arrays.copyOfRange(doubleSHA256(data), 0, 4);
+
+        if (!Arrays.equals(checksum, calculatedChecksum)) return false;
+
+        // Check mainnet prefix
+        return data[0] == MAINNET_PREFIX;
+    }
+
+    private static byte[] decodeBase58(String input) {
+        BigInteger num = BigInteger.ZERO;
+        BigInteger base = BigInteger.valueOf(58);
+
+        for (char c : input.toCharArray()) {
+            int digit = BASE58_ALPHABET.indexOf(c);
+            if (digit < 0) return null;
+            num = num.multiply(base).add(BigInteger.valueOf(digit));
+        }
+
+        // Convert BigInteger to byte array
+        byte[] bytes = num.toByteArray();
+        if (bytes.length > 1 && bytes[0] == 0) {
+            bytes = Arrays.copyOfRange(bytes, 1, bytes.length);
+        }
+
+        // Add leading zero bytes for '1's
+        int leadingZeros = 0;
+        for (char c : input.toCharArray()) {
+            if (c == '1') leadingZeros++;
+            else break;
+        }
+
+        byte[] result = new byte[leadingZeros + bytes.length];
+        System.arraycopy(bytes, 0, result, leadingZeros, bytes.length);
+        return result;
+    }
+
+    private static byte[] doubleSHA256(byte[] data) {
+        try {
+            MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
+            return sha256.digest(sha256.digest(data));
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

assets/src/main/java/haveno/asset/coins/Tron.java

@@ -0,0 +1,28 @@
+/*
+ * This file is part of Haveno.
+ *
+ * Haveno 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.
+ *
+ * Haveno 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 Haveno. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package haveno.asset.coins;
+
+import haveno.asset.Coin;
+import haveno.asset.TronAddressValidator;
+
+public class Tron extends Coin {
+
+    public Tron() {
+        super("Tron", "TRX", new TronAddressValidator());
+    }
+}

assets/src/main/resources/META-INF/services/haveno.asset.Asset

@@ -10,6 +10,7 @@ haveno.asset.coins.Litecoin
 haveno.asset.coins.Monero
 haveno.asset.coins.Ripple
 haveno.asset.coins.Solana
+haveno.asset.coins.Tron
 haveno.asset.tokens.TetherUSDERC20
 haveno.asset.tokens.TetherUSDTRC20
 haveno.asset.tokens.USDCoinERC20

assets/src/test/java/haveno/asset/coins/TronTest.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of Haveno.
+ *
+ * Haveno 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.
+ *
+ * Haveno 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 Haveno. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package haveno.asset.coins;
+
+import haveno.asset.AbstractAssetTest;
+import org.junit.jupiter.api.Test;
+
+public class TronTest extends AbstractAssetTest {
+
+    public TronTest() {
+        super(new Tron());
+    }
+
+    @Test
+    public void testValidAddresses() {
+        assertValidAddress("TRjE1H8dxypKM1NZRdysbs9wo7huR4bdNz");
+        assertValidAddress("THdUXD3mZqT5aMnPQMtBSJX9ANGjaeUwQK");
+        assertValidAddress("THUE6WTLaEGytFyuGJQUcKc3r245UKypoi");
+        assertValidAddress("TH7vVF9RTMXM9x7ZnPnbNcEph734hpu8cf");
+        assertValidAddress("TJNtFduS4oebw3jgGKCYmgSpTdyPieb6Ha");
+    }
+
+    @Test
+    public void testInvalidAddresses() {
+        assertInvalidAddress("TJRyWwFs9wTFGZg3L8nL62xwP9iK8QdK9R");
+        assertInvalidAddress("TJRyWwFs9wTFGZg3L8nL62xwP9iK8QdK9X");
+        assertInvalidAddress("1JRyWwFs9wTFGZg3L8nL62xwP9iK8QdK9R");
+        assertInvalidAddress("TGzz8gjYiYRqpfmDwnLxfgPuLVNmpCswVo");
+    }
+}

core/src/main/java/haveno/core/locale/CurrencyUtil.java

@@ -203,6 +203,7 @@ public class CurrencyUtil {
         result.add(new CryptoCurrency("XRP", "Ripple"));
         result.add(new CryptoCurrency("ADA", "Cardano"));
         result.add(new CryptoCurrency("SOL", "Solana"));
+        result.add(new CryptoCurrency("TRX", "Tron"));
         result.add(new CryptoCurrency("DAI-ERC20", "Dai Stablecoin"));
         result.add(new CryptoCurrency("USDT-ERC20", "Tether USD"));
         result.add(new CryptoCurrency("USDT-TRC20", "Tether USD"));

desktop/src/main/java/haveno/desktop/images.css

@@ -365,6 +365,10 @@
     -fx-image: url("../../images/sol_logo.png");
 }
 
+#image-trx-logo {
+    -fx-image: url("../../images/trx_logo.png");
+}
+
 #image-dark-mode-toggle {
     -fx-image: url("../../images/dark_mode_toggle.png");   
 }