fix(komodo_defi_types): support TRON explorer URLs

packages/komodo_defi_framework/app_build/build_config.json

@@ -65,7 +65,7 @@
   "coins": {
     "fetch_at_build_enabled": true,
     "update_commit_on_build": true,
-    "bundled_coins_repo_commit": "4d9b6b1da8f2e9da4dc35a4f0311c7e8c0746d53",
+    "bundled_coins_repo_commit": "16496a71d9473bfab1357ab0b71511c7ba106ce4",
     "coins_repo_api_url": "https://api.github.com/repos/GLEECBTC/coins",
     "coins_repo_content_url": "https://raw.githubusercontent.com/GLEECBTC/coins",
     "coins_repo_branch": "feat/add-tron-coins",

packages/komodo_defi_sdk/test/activation/tron_activation_strategy_test.dart

@@ -1,8 +1,8 @@
+import 'package:komodo_defi_rpc_methods/komodo_defi_rpc_methods.dart';
 import 'package:komodo_defi_sdk/src/activation/protocol_strategies/custom_erc20_activation_strategy.dart';
 import 'package:komodo_defi_sdk/src/activation/protocol_strategies/erc20_activation_strategy.dart';
 import 'package:komodo_defi_sdk/src/activation/protocol_strategies/eth_task_activation_strategy.dart';
 import 'package:komodo_defi_sdk/src/activation/protocol_strategies/eth_with_tokens_activation_strategy.dart';
-import 'package:komodo_defi_rpc_methods/komodo_defi_rpc_methods.dart';
 import 'package:komodo_defi_types/komodo_defi_types.dart';
 import 'package:test/test.dart';
 

packages/komodo_defi_sdk/test/transaction_history/transaction_history_strategies_test.dart

@@ -32,7 +32,7 @@ Asset _createEvmAsset({
 }
 
 Asset _createZhtlcAsset() {
-  final protocol = ZhtlcProtocol.fromJson({
+  final protocol = ZhtlcProtocol.fromJson(const {
     'type': 'ZHTLC',
     'electrum_servers': [
       {'url': 'lightwalletd.pirate.black', 'port': 9067, 'protocol': 'SSL'},

packages/komodo_defi_types/lib/src/coin_classes/protocol_class.dart

@@ -166,6 +166,10 @@ abstract class ProtocolClass with ExplorerUrlMixin implements Equatable {
   }
 
   bool supportsTxHistoryStreaming({required bool isChildAsset}) {
+    // TRON does not currently expose KDF-backed tx history.
+    if (subClass == CoinSubClass.trx || subClass == CoinSubClass.trc20) {
+      return false;
+    }
     // EVM does not support tx history streaming in KDF
     if (evmCoinSubClasses.contains(subClass)) {
       return false;

packages/komodo_defi_types/lib/src/protocols/base/explorer_url_pattern.dart

@@ -10,16 +10,24 @@ class ExplorerUrlPattern {
   });
 
   factory ExplorerUrlPattern.fromJson(JsonMap config) {
-    final baseUrl = config.valueOrNull<String>('explorer_url');
+    final baseUrl = _normalizePatternValue(
+      config.valueOrNull<String>('explorer_url'),
+    );
     if (baseUrl == null) return const ExplorerUrlPattern();
 
     // Add scheme if missing
     final urlString = baseUrl.startsWith('http') ? baseUrl : 'https://$baseUrl';
     return ExplorerUrlPattern(
       baseUrl: Uri.tryParse(urlString),
-      txPattern: config.valueOrNull<String>('explorer_tx_url'),
-      addressPattern: config.valueOrNull<String>('explorer_address_url'),
-      blockPattern: config.valueOrNull<String>('explorer_block_url'),
+      txPattern: _normalizePatternValue(
+        config.valueOrNull<String>('explorer_tx_url'),
+      ),
+      addressPattern: _normalizePatternValue(
+        config.valueOrNull<String>('explorer_address_url'),
+      ),
+      blockPattern: _normalizePatternValue(
+        config.valueOrNull<String>('explorer_block_url'),
+      ),
     );
   }
 
@@ -45,14 +53,36 @@ class ExplorerUrlPattern {
 
       // If no placeholders were found, append the first param value
       if (params.isNotEmpty && url == pattern) {
-        url = '$url/${Uri.encodeComponent(params.values.first)}';
+        url = '$url${Uri.encodeComponent(params.values.first)}';
+      }
+
+      final resolvedBaseUrl = baseUrl;
+      if (resolvedBaseUrl == null) return null;
+
+      if (resolvedBaseUrl.fragment.isNotEmpty && !url.startsWith('#')) {
+        final baseFragment = resolvedBaseUrl.fragment;
+        final normalizedBaseFragment = baseFragment.endsWith('/')
+            ? baseFragment
+            : '$baseFragment/';
+        final normalizedUrl = url.startsWith('/') ? url.substring(1) : url;
+
+        return resolvedBaseUrl.replace(
+          fragment: '$normalizedBaseFragment$normalizedUrl',
+        );
       }
 
-      return baseUrl?.resolve(url);
+      return resolvedBaseUrl.resolve(url);
     } catch (e) {
       return null;
     }
   }
+
+  static String? _normalizePatternValue(String? value) {
+    if (value == null) return null;
+
+    final normalized = value.trim();
+    return normalized.isEmpty ? null : normalized;
+  }
 }
 
 /// Mixin to provide explorer URL functionality to Protocol classes
@@ -63,30 +93,29 @@ mixin ExplorerUrlMixin {
   Uri? explorerTxUrl(String txHash) {
     if (txHash.isEmpty) return null;
 
-    final hash =
-        needs0xPrefix && !txHash.startsWith('0x') ? '0x$txHash' : txHash;
+    final hash = needs0xPrefix && !txHash.startsWith('0x')
+        ? '0x$txHash'
+        : txHash;
 
-    return explorerPattern.buildUrl(
-      explorerPattern.txPattern,
-      {'HASH': hash, 'TX': hash},
-    );
+    return explorerPattern.buildUrl(explorerPattern.txPattern, {
+      'HASH': hash,
+      'TX': hash,
+    });
   }
 
   Uri? explorerAddressUrl(String address) {
     if (address.isEmpty) return null;
 
-    return explorerPattern.buildUrl(
-      explorerPattern.addressPattern,
-      {'ADDRESS': address},
-    );
+    return explorerPattern.buildUrl(explorerPattern.addressPattern, {
+      'ADDRESS': address,
+    });
   }
 
   Uri? explorerBlockUrl(String blockId) {
     if (blockId.isEmpty) return null;
 
-    return explorerPattern.buildUrl(
-      explorerPattern.blockPattern,
-      {'BLOCK': blockId},
-    );
+    return explorerPattern.buildUrl(explorerPattern.blockPattern, {
+      'BLOCK': blockId,
+    });
   }
 }

packages/komodo_defi_types/test/tron_protocol_test.dart

@@ -11,6 +11,9 @@ Map<String, dynamic> _trxConfig() => {
   'decimals': 6,
   'required_confirmations': 1,
   'derivation_path': "m/44'/195'",
+  'explorer_url': 'https://tronscan.org/',
+  'explorer_tx_url': '#/transaction/',
+  'explorer_address_url': '#/address/',
   'protocol': {
     'type': 'TRX',
     'protocol_data': {'network': 'Mainnet'},
@@ -27,6 +30,9 @@ Map<String, dynamic> _trc20Config() => {
   'mm2': 1,
   'decimals': 6,
   'derivation_path': "m/44'/195'",
+  'explorer_url': 'https://tronscan.org/',
+  'explorer_tx_url': '#/transaction/',
+  'explorer_address_url': '#/address/',
   'protocol': {
     'type': 'TRC20',
     'protocol_data': {
@@ -116,7 +122,15 @@ void main() {
       expect(protocol.subClass, CoinSubClass.trx);
       expect((protocol as TrxProtocol).nodes, isEmpty);
       expect(protocol.network, 'Mainnet');
-      expect(protocol.supportsTxHistoryStreaming(isChildAsset: false), isTrue);
+      expect(protocol.supportsTxHistoryStreaming(isChildAsset: false), isFalse);
+      expect(
+        protocol.explorerTxUrl('abc123')?.toString(),
+        'https://tronscan.org/#/transaction/abc123',
+      );
+      expect(
+        protocol.explorerAddressUrl('TAddress123')?.toString(),
+        'https://tronscan.org/#/address/TAddress123',
+      );
     });
 
     test('Asset.fromJson links TRC20 child asset to TRX parent', () {
@@ -128,7 +142,15 @@ void main() {
       expect(child.id.parentId, parent.id);
       expect(parent.id.subClass.canBeParentOf(child.id.subClass), isTrue);
       expect(child.supportsBalanceStreaming, isTrue);
-      expect(child.supportsTxHistoryStreaming, isTrue);
+      expect(child.supportsTxHistoryStreaming, isFalse);
+      expect(
+        child.protocol.explorerTxUrl('def456')?.toString(),
+        'https://tronscan.org/#/transaction/def456',
+      );
+      expect(
+        child.protocol.explorerAddressUrl('TTokenAddress456')?.toString(),
+        'https://tronscan.org/#/address/TTokenAddress456',
+      );
     });
 
     test('non-TRON platform assets keep top-level subtype precedence', () {