From 024e59a9826e87781a33adcfce72d74f7f9a46d4 Mon Sep 17 00:00:00 2001
From: woodser <woodser@protonmail.com>
Date: Sun, 16 Feb 2025 08:30:26 -0500
Subject: [PATCH] support DAI Stablecoin (ERC20)

---
 assets/src/main/java/haveno/asset/package-info.java         | 2 +-
 .../tokens/{DaiStablecoin.java => DaiStablecoinERC20.java}  | 6 +++---
 .../src/main/resources/META-INF/services/haveno.asset.Asset | 3 ++-
 core/src/main/java/haveno/core/locale/CurrencyUtil.java     | 4 +++-
 4 files changed, 9 insertions(+), 6 deletions(-)
 rename assets/src/main/java/haveno/asset/tokens/{DaiStablecoin.java => DaiStablecoinERC20.java} (85%)

diff --git a/assets/src/main/java/haveno/asset/package-info.java b/assets/src/main/java/haveno/asset/package-info.java
index a50b986115..6eeaf4095f 100644
--- a/assets/src/main/java/haveno/asset/package-info.java
+++ b/assets/src/main/java/haveno/asset/package-info.java
@@ -21,7 +21,7 @@
  * {@link haveno.asset.Token} and {@link haveno.asset.Erc20Token}, as well as concrete
  * implementations of each, such as {@link haveno.asset.coins.Bitcoin} itself, cryptos like
  * {@link haveno.asset.coins.Litecoin} and {@link haveno.asset.coins.Ether} and tokens like
- * {@link haveno.asset.tokens.DaiStablecoin}.
+ * {@link haveno.asset.tokens.DaiStablecoinERC20}.
  * <p>
  * The purpose of this package is to provide everything necessary for registering
  * ("listing") new assets and managing / accessing those assets within, e.g. the Haveno
diff --git a/assets/src/main/java/haveno/asset/tokens/DaiStablecoin.java b/assets/src/main/java/haveno/asset/tokens/DaiStablecoinERC20.java
similarity index 85%
rename from assets/src/main/java/haveno/asset/tokens/DaiStablecoin.java
rename to assets/src/main/java/haveno/asset/tokens/DaiStablecoinERC20.java
index e9cc01f74f..8c1e84e871 100644
--- a/assets/src/main/java/haveno/asset/tokens/DaiStablecoin.java
+++ b/assets/src/main/java/haveno/asset/tokens/DaiStablecoinERC20.java
@@ -19,9 +19,9 @@ package haveno.asset.tokens;
 
 import haveno.asset.Erc20Token;
 
-public class DaiStablecoin extends Erc20Token {
+public class DaiStablecoinERC20 extends Erc20Token {
 
-    public DaiStablecoin() {
-        super("Dai Stablecoin", "DAI");
+    public DaiStablecoinERC20() {
+        super("Dai Stablecoin", "DAI-ERC20");
     }
 }
diff --git a/assets/src/main/resources/META-INF/services/haveno.asset.Asset b/assets/src/main/resources/META-INF/services/haveno.asset.Asset
index 709b951227..80b9cd036d 100644
--- a/assets/src/main/resources/META-INF/services/haveno.asset.Asset
+++ b/assets/src/main/resources/META-INF/services/haveno.asset.Asset
@@ -9,4 +9,5 @@ haveno.asset.coins.Litecoin
 haveno.asset.coins.Monero
 haveno.asset.tokens.TetherUSDERC20
 haveno.asset.tokens.TetherUSDTRC20
-haveno.asset.tokens.USDCoinERC20
\ No newline at end of file
+haveno.asset.tokens.USDCoinERC20
+haveno.asset.tokens.DaiStablecoinERC20
\ No newline at end of file
diff --git a/core/src/main/java/haveno/core/locale/CurrencyUtil.java b/core/src/main/java/haveno/core/locale/CurrencyUtil.java
index db6ee6722b..6ed42b6234 100644
--- a/core/src/main/java/haveno/core/locale/CurrencyUtil.java
+++ b/core/src/main/java/haveno/core/locale/CurrencyUtil.java
@@ -200,6 +200,7 @@ public class CurrencyUtil {
         result.add(new CryptoCurrency("BCH", "Bitcoin Cash"));
         result.add(new CryptoCurrency("ETH", "Ether"));
         result.add(new CryptoCurrency("LTC", "Litecoin"));
+        result.add(new CryptoCurrency("DAI-ERC20", "Dai Stablecoin (ERC20)"));
         result.add(new CryptoCurrency("USDT-ERC20", "Tether USD (ERC20)"));
         result.add(new CryptoCurrency("USDT-TRC20", "Tether USD (TRC20)"));
         result.add(new CryptoCurrency("USDC-ERC20", "USD Coin (ERC20)"));
@@ -330,7 +331,7 @@ public class CurrencyUtil {
     private static boolean isCryptoCurrencyCodeBase(String currencyCode) {
         if (currencyCode == null) return false;
         currencyCode = currencyCode.toUpperCase();
-        return currencyCode.equals("USDT") || currencyCode.equals("USDC");
+        return currencyCode.equals("USDT") || currencyCode.equals("USDC") || currencyCode.equals("DAI");
     }
 
     public static String getCurrencyCodeBase(String currencyCode) {
@@ -338,6 +339,7 @@ public class CurrencyUtil {
         currencyCode = currencyCode.toUpperCase();
         if (currencyCode.contains("USDT")) return "USDT";
         if (currencyCode.contains("USDC")) return "USDC";
+        if (currencyCode.contains("DAI")) return "DAI";
         return currencyCode;
     }