From 13706d0ecf475e7e0b004541a4d1435c5decff3c Mon Sep 17 00:00:00 2001
From: smk762 <smk@komodoplatform.com>
Date: Tue, 4 Nov 2025 17:36:58 +0800
Subject: [PATCH 1/2] add basic handling for base tokens

---
 lib/bloc/coins_bloc/asset_coin_extension.dart | 6 ++++++
 lib/bloc/fiat/base_fiat_provider.dart         | 2 ++
 lib/model/coin_type.dart                      | 1 +
 lib/model/coin_utils.dart                     | 4 ++++
 lib/shared/utils/utils.dart                   | 5 +++++
 sdk                                           | 2 +-
 6 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/lib/bloc/coins_bloc/asset_coin_extension.dart b/lib/bloc/coins_bloc/asset_coin_extension.dart
index d8044b72fe..2c073af8f0 100644
--- a/lib/bloc/coins_bloc/asset_coin_extension.dart
+++ b/lib/bloc/coins_bloc/asset_coin_extension.dart
@@ -65,6 +65,8 @@ extension AssetCoinExtension on Asset {
 extension CoinTypeExtension on CoinSubClass {
   CoinType toCoinType() {
     switch (this) {
+      case CoinSubClass.base:
+        return CoinType.base20;
       case CoinSubClass.ftm20:
         return CoinType.ftm20;
       case CoinSubClass.arbitrum:
@@ -112,6 +114,8 @@ extension CoinTypeExtension on CoinSubClass {
 
   bool isEvmProtocol() {
     switch (this) {
+      case CoinSubClass.base:
+        return true;
       case CoinSubClass.avx20:
       case CoinSubClass.bep20:
       case CoinSubClass.ftm20:
@@ -137,6 +141,8 @@ extension CoinTypeExtension on CoinSubClass {
 extension CoinSubClassExtension on CoinType {
   CoinSubClass toCoinSubClass() {
     switch (this) {
+      case CoinType.base20:
+        return CoinSubClass.base;
       case CoinType.ftm20:
         return CoinSubClass.ftm20;
       case CoinType.arb20:
diff --git a/lib/bloc/fiat/base_fiat_provider.dart b/lib/bloc/fiat/base_fiat_provider.dart
index 9f0b9fb98b..564cd5b45f 100644
--- a/lib/bloc/fiat/base_fiat_provider.dart
+++ b/lib/bloc/fiat/base_fiat_provider.dart
@@ -128,6 +128,8 @@ abstract class BaseFiatProvider {
         return 'FTM';
       case CoinType.arb20:
         return 'ARB';
+      case CoinType.base20:
+        return 'BASE';
       case CoinType.hrc20:
         return 'HARMONY';
       case CoinType.plg20:
diff --git a/lib/model/coin_type.dart b/lib/model/coin_type.dart
index 9ee370e8c5..402da3b250 100644
--- a/lib/model/coin_type.dart
+++ b/lib/model/coin_type.dart
@@ -8,6 +8,7 @@ enum CoinType {
   qrc20,
   ftm20,
   arb20,
+  base20,
   avx20,
   hrc20,
   mvr20,
diff --git a/lib/model/coin_utils.dart b/lib/model/coin_utils.dart
index afc400cb84..1d89f21284 100644
--- a/lib/model/coin_utils.dart
+++ b/lib/model/coin_utils.dart
@@ -147,6 +147,8 @@ String getCoinTypeName(CoinType type, [String? symbol]) {
       return 'FTM-20';
     case CoinType.arb20:
       return 'ARB-20';
+    case CoinType.base20:
+      return 'BASE';
     case CoinType.etc:
       return 'ETC';
     case CoinType.avx20:
@@ -193,6 +195,8 @@ bool isParentCoin(CoinType type, String symbol) {
       return symbol == 'FTM';
     case CoinType.arb20:
       return symbol == 'ETH-ARB20';
+    case CoinType.base20:
+      return symbol == 'ETH-BASE';
     case CoinType.hrc20:
       return symbol == 'ONE';
     case CoinType.plg20:
diff --git a/lib/shared/utils/utils.dart b/lib/shared/utils/utils.dart
index 6fff9f4bb8..8f8aa691ae 100644
--- a/lib/shared/utils/utils.dart
+++ b/lib/shared/utils/utils.dart
@@ -341,6 +341,7 @@ String abbr2Ticker(String abbr) {
     'QRC20',
     'FTM20',
     'ARB20',
+    'BASE',
     'HRC20',
     'MVR20',
     'AVX20',
@@ -407,6 +408,8 @@ Color getProtocolColor(CoinType type) {
       return const Color.fromRGBO(25, 105, 255, 1);
     case CoinType.arb20:
       return const Color.fromRGBO(0, 168, 226, 1);
+    case CoinType.base20:
+      return const Color.fromRGBO(0, 168, 226, 1);
     case CoinType.hrc20:
       return const Color.fromRGBO(29, 195, 219, 1);
     case CoinType.etc:
@@ -450,6 +453,7 @@ bool hasTxHistorySupport(Coin coin) {
     case CoinType.qrc20:
     case CoinType.ftm20:
     case CoinType.arb20:
+    case CoinType.base20:
     case CoinType.etc:
     case CoinType.avx20:
     case CoinType.mvr20:
@@ -481,6 +485,7 @@ String getNativeExplorerUrlByCoin(Coin coin, String? address) {
     case CoinType.qrc20:
     case CoinType.ftm20:
     case CoinType.arb20:
+    case CoinType.base20:
     case CoinType.avx20:
     case CoinType.mvr20:
     case CoinType.hco20:
diff --git a/sdk b/sdk
index 61a417068c..f6f40061ee 160000
--- a/sdk
+++ b/sdk
@@ -1 +1 @@
-Subproject commit 61a417068c27b8757fd1fe4cf71b35c241aaf1b4
+Subproject commit f6f40061ee8d8cd210e1237a7f0cae427ab82ba6

From 7af4f55d7954a0c01526feddc7832e72223fe170 Mon Sep 17 00:00:00 2001
From: smk762 <smk@komodoplatform.com>
Date: Wed, 5 Nov 2025 14:34:00 +0800
Subject: [PATCH 2/2] handle base20 for fiat switch case

---
 lib/bloc/fiat/base_fiat_provider.dart | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/bloc/fiat/base_fiat_provider.dart b/lib/bloc/fiat/base_fiat_provider.dart
index 564cd5b45f..2f2f1c746c 100644
--- a/lib/bloc/fiat/base_fiat_provider.dart
+++ b/lib/bloc/fiat/base_fiat_provider.dart
@@ -240,6 +240,8 @@ abstract class BaseFiatProvider {
       case 'ARBITRUM':
       case 'ARB':
         return CoinType.arb20;
+      case 'BASE':
+        return CoinType.base20;
       case 'HARMONY':
         return CoinType.hrc20;
       case 'MATIC':