Add Tether token support via ERC20 and Omni

assets/src/main/java/bisq/asset/LiquidBitcoinAddressValidator.java

@@ -0,0 +1,12 @@
+package bisq.asset;
+
+public class LiquidBitcoinAddressValidator extends RegexAddressValidator {
+    static private final String REGEX = "^([a-km-zA-HJ-NP-Z1-9]{26,35}|[a-km-zA-HJ-NP-Z1-9]{80}|[a-z]{2,5}1[ac-hj-np-z02-9]{8,87}|[A-Z]{2,5}1[AC-HJ-NP-Z02-9]{8,87})$";
+    public LiquidBitcoinAddressValidator() {
+        super(REGEX);
+    }
+
+    public LiquidBitcoinAddressValidator(String regex, String errorMessageI18nKey) {
+        super(REGEX, "validation.altcoin.liquidBitcoin.invalidAddress");
+    }
+}

assets/src/main/java/bisq/asset/coins/LiquidBitcoin.java

@@ -19,12 +19,13 @@ package bisq.asset.coins;
 
 import bisq.asset.AltCoinAccountDisclaimer;
 import bisq.asset.Coin;
+import bisq.asset.LiquidBitcoinAddressValidator;
 import bisq.asset.RegexAddressValidator;
 
 @AltCoinAccountDisclaimer("account.altcoin.popup.liquidbitcoin.msg")
 public class LiquidBitcoin extends Coin {
 
     public LiquidBitcoin() {
-        super("Liquid Bitcoin", "L-BTC", new RegexAddressValidator("^([a-km-zA-HJ-NP-Z1-9]{26,35}|[a-km-zA-HJ-NP-Z1-9]{80}|[a-z]{2,5}1[ac-hj-np-z02-9]{8,87}|[A-Z]{2,5}1[AC-HJ-NP-Z02-9]{8,87})$", "validation.altcoin.liquidBitcoin.invalidAddress"));
+        super("Liquid Bitcoin", "L-BTC", new LiquidBitcoinAddressValidator());
     }
 }

assets/src/main/java/bisq/asset/coins/TetherUSDLiquid.java

@@ -0,0 +1,12 @@
+package bisq.asset.coins;
+
+import bisq.asset.Coin;
+import bisq.asset.LiquidBitcoinAddressValidator;
+
+public class TetherUSDLiquid extends Coin {
+    public TetherUSDLiquid() {
+        // If you add a new USDT variant or want to change this ticker symbol you should also look here:
+        // core/src/main/java/bisq/core/provider/price/PriceProvider.java:getAll()
+        super("Tether USD (Liquid Bitcoin)", "L-USDT", new LiquidBitcoinAddressValidator());
+    }
+}

assets/src/main/java/bisq/asset/coins/TetherUSDOmni.java

@@ -0,0 +1,12 @@
+package bisq.asset.coins;
+
+import bisq.asset.Base58BitcoinAddressValidator;
+import bisq.asset.Coin;
+
+public class TetherUSDOmni extends Coin {
+    public TetherUSDOmni() {
+        // If you add a new USDT variant or want to change this ticker symbol you should also look here:
+        // core/src/main/java/bisq/core/provider/price/PriceProvider.java:getAll()
+        super("Tether USD (Omni)", "USDT-O", new Base58BitcoinAddressValidator());
+    }
+}

assets/src/main/java/bisq/asset/tokens/TetherUSDERC20.java

@@ -0,0 +1,11 @@
+package bisq.asset.tokens;
+
+import bisq.asset.Erc20Token;
+
+public class TetherUSDERC20 extends Erc20Token {
+    public TetherUSDERC20() {
+        // If you add a new USDT variant or want to change this ticker symbol you should also look here:
+        // core/src/main/java/bisq/core/provider/price/PriceProvider.java:getAll()
+        super("Tether USD (ERC20)", "USDT-E");
+    }
+}

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

@@ -104,6 +104,8 @@ bisq.asset.coins.Spectrecoin
 bisq.asset.coins.Starwels
 bisq.asset.coins.SUB1X
 bisq.asset.coins.TEO
+bisq.asset.coins.TetherUSDLiquid
+bisq.asset.coins.TetherUSDOmni
 bisq.asset.coins.TurtleCoin
 bisq.asset.coins.UnitedCommunityCoin
 bisq.asset.coins.Unobtanium
@@ -123,6 +125,7 @@ bisq.asset.coins.ZeroClassic
 bisq.asset.tokens.AugmintEuro
 bisq.asset.tokens.DaiStablecoin
 bisq.asset.tokens.EtherStone
+bisq.asset.tokens.TetherUSDERC20
 bisq.asset.tokens.TrueUSD
 bisq.asset.tokens.USDCoin
 bisq.asset.tokens.VectorspaceAI

core/src/main/java/bisq/core/provider/price/PriceProvider.java

@@ -70,7 +70,12 @@ public class PriceProvider extends HttpClientProvider {
                 final double price = (Double) treeMap.get("price");
                 // json uses double for our timestampSec long value...
                 final long timestampSec = MathUtils.doubleToLong((Double) treeMap.get("timestampSec"));
-                marketPriceMap.put(currencyCode, new MarketPrice(currencyCode, price, timestampSec, true));
+                if (currencyCode.equals("USDT")) {
+                    addPrice(marketPriceMap, "USDT-O", price, timestampSec);
+                    addPrice(marketPriceMap, "USDT-E", price, timestampSec);
+                    addPrice(marketPriceMap, "L-USDT", price, timestampSec);
+                }
+                addPrice(marketPriceMap, currencyCode, price, timestampSec);
             } catch (Throwable t) {
                 log.error(t.toString());
                 t.printStackTrace();
@@ -80,6 +85,10 @@ public class PriceProvider extends HttpClientProvider {
         return new Tuple2<>(tsMap, marketPriceMap);
     }
 
+    private void addPrice(Map<String, MarketPrice> marketPriceMap, String currencyCode, double price, long timestampSec) {
+        marketPriceMap.put(currencyCode, new MarketPrice(currencyCode, price, timestampSec, true));
+    }
+
     public String getBaseUrl() {
         return httpClient.getBaseUrl();
     }

desktop/src/main/java/bisq/desktop/main/MainView.java

@@ -534,11 +534,10 @@ public class MainView extends InitializableView<StackPane, MainViewModel>
 
         String selectedCurrencyCode = model.getPriceFeedService().getCurrencyCode();
         MarketPrice selectedMarketPrice = model.getPriceFeedService().getMarketPrice(selectedCurrencyCode);
-
         return Res.get("mainView.marketPrice.tooltip",
                 "Bisq Price Index for " + selectedCurrencyCode,
                 "",
-                DisplayUtils.formatTime(new Date(selectedMarketPrice.getTimestampSec())),
+                selectedMarketPrice != null ? DisplayUtils.formatTime(new Date(selectedMarketPrice.getTimestampSec())) : Res.get("shared.na"),
                 model.getPriceFeedService().getProviderNodeAddress());
     }