fix(types): Make types index private

packages/komodo_defi_types/index_generator.yaml

@@ -8,12 +8,12 @@ index_generator:
     - '{_,**/_}*.dart'
   indexes:
     # Default index and library name
-    - path: lib
+    - path: lib/src
       name: types
       include:
-        - 'src/**'
+        - '**'
       exclude:
-        - 'src/utils/**'
+        - 'utils/**'
       comments: |
         Generated by the `index_generator` package with the `index_generator.yaml` configuration file.
       docs:

packages/komodo_defi_types/lib/komodo_defi_types.dart

@@ -16,7 +16,7 @@ export 'src/auth/kdf_user.dart';
 // Aliased/proxied types
 export 'src/exported_rpc_types.dart';
 export 'src/komodo_defi_types_base.dart';
-export 'types.dart';
+export 'src/types.dart';
 
 // Export activation params types
 // export 'packages:komodo_defi_rpc_methods/lib/src/common_structures/activation/activation_params/activation_params_index.dart

packages/komodo_defi_types/lib/src/transactions/fee_info.dart

@@ -0,0 +1,137 @@
+import 'package:decimal/decimal.dart';
+import 'package:equatable/equatable.dart';
+import 'package:komodo_defi_types/komodo_defi_type_utils.dart';
+import 'package:komodo_defi_types/komodo_defi_types.dart';
+
+/// Base abstract class for fee information
+abstract class FeeInfo extends Equatable {
+  const FeeInfo({
+    required this.coin,
+    required this.amount,
+  });
+
+  /// Factory constructor to create the appropriate fee type from JSON
+  factory FeeInfo.fromJson(Map<String, dynamic> json) {
+    final feeType = WithdrawalFeeType.parse(json.value<String>('type'));
+    final coin = json.value<String>('coin');
+
+    switch (feeType) {
+      case WithdrawalFeeType.eth:
+        final gas = json.valueOrNull<int>('gas');
+        final gasPriceString = json.valueOrNull<String>('gas_price');
+
+        if (gas != null && gasPriceString != null) {
+          return EthFeeInfo.fromGasParams(
+            coin: coin,
+            gasPrice: Decimal.parse(gasPriceString),
+            gasLimit: gas,
+          );
+        }
+
+        return EthFeeInfo(
+          coin: coin,
+          amount: Decimal.parse(json.value('amount')),
+          gas: gas,
+          gasPrice:
+              gasPriceString != null ? Decimal.parse(gasPriceString) : null,
+        );
+
+      case WithdrawalFeeType.utxo:
+        return UtxoFeeInfo(
+          coin: coin,
+          amount: Decimal.parse(json.value('amount')),
+        );
+
+      default:
+        throw ArgumentError('Unknown fee type: $feeType');
+    }
+  }
+
+  /// The coin identifier the fee is paid in
+  final String coin;
+
+  /// The total fee amount in the native coin unit
+  final Decimal amount;
+
+  /// The type of fee (UTXO, ETH, etc)
+  WithdrawalFeeType get type;
+
+  /// Gets the total fee amount in the native coin unit
+  Decimal get totalFee => amount;
+
+  /// Convert to JSON representation
+  Map<String, dynamic> toJson() => {
+        'type': type.toString(),
+        'amount': amount.toString(),
+        'total_fee': totalFee.toString(),
+        'coin': coin,
+      };
+
+  @override
+  String toString() => toJson().toString();
+}
+
+/// Fee information for UTXO-based coins
+class UtxoFeeInfo extends FeeInfo {
+  const UtxoFeeInfo({
+    required super.coin,
+    required super.amount,
+  });
+
+  @override
+  WithdrawalFeeType get type => WithdrawalFeeType.utxo;
+
+  @override
+  List<Object?> get props => [coin, amount];
+}
+
+/// Fee information for ETH/ERC20 coins
+class EthFeeInfo extends FeeInfo {
+  const EthFeeInfo({
+    required super.coin,
+    required super.amount,
+    this.gas,
+    this.gasPrice,
+  });
+
+  factory EthFeeInfo.fromGasParams({
+    required String coin,
+    required Decimal gasPrice,
+    required int gasLimit,
+  }) {
+    final totalFee = _calculateTotalFee(gasPrice, gasLimit);
+    return EthFeeInfo(
+      coin: coin,
+      amount: totalFee,
+      gas: gasLimit,
+      gasPrice: gasPrice,
+    );
+  }
+
+  /// Gas limit for transaction
+  final int? gas;
+
+  /// Gas price in Gwei
+  final Decimal? gasPrice;
+
+  @override
+  WithdrawalFeeType get type => WithdrawalFeeType.eth;
+
+  /// Calculate total fee from gas parameters (gas price in Gwei)
+  static Decimal _calculateTotalFee(Decimal gasPriceGwei, int gasUnits) {
+    return (gasPriceGwei.toRational() *
+            (Decimal.fromInt(gasUnits).toRational() /
+                Decimal.fromInt(1000000000).toRational()))
+        .toDecimal(scaleOnInfinitePrecision: 18);
+  }
+
+  @override
+  Map<String, dynamic> toJson() => {
+        ...super.toJson(),
+        if (gas != null) 'gas': gas,
+        if (gasPrice != null) 'gas_price': gasPrice.toString(),
+      };
+
+  @override
+  List<Object?> get props => [coin, amount, gas, gasPrice];
+}

packages/komodo_defi_types/lib/src/types.dart

@@ -0,0 +1,53 @@
+// Generated by the `index_generator` package with the `index_generator.yaml` configuration file.
+
+/// Generic types used throughout the Komodo DeFi Framework ecosystem.
+library types;
+
+export 'activation/activation_progress.dart';
+export 'activation/activation_strategy.dart';
+export 'api/api_client.dart';
+export 'assets/asset.dart';
+export 'assets/asset_id.dart';
+export 'assets/asset_symbol.dart';
+export 'assets/chain.dart';
+export 'auth/auth_options.dart';
+export 'auth/auth_result.dart';
+export 'auth/exceptions/auth_exception.dart';
+export 'auth/exceptions/incorrect_password_exception.dart';
+export 'auth/kdf_user.dart';
+export 'chains/chain.dart';
+export 'chains/utxo_chain.dart';
+export 'coin/coin.dart';
+export 'coin_classes/coin_subclasses.dart';
+export 'coin_classes/protocol_class.dart';
+export 'cryptography/mnemonic.dart';
+export 'exceptions/http_exceptions.dart';
+export 'exported_rpc_types.dart';
+export 'generic/result.dart';
+export 'generic/sync_status.dart';
+export 'komodo_defi_types_base.dart';
+export 'legacy/legacy_coin_model.dart';
+export 'protocols/base/exceptions.dart';
+export 'protocols/base/protocol_class.dart';
+export 'protocols/erc20/erc20_protocol.dart';
+export 'protocols/protocols.dart';
+export 'protocols/qtum/qtum_protocol.dart';
+export 'protocols/sia/sia_protocol.dart';
+export 'protocols/slp/slp_protocol.dart';
+export 'protocols/tendermint/tendermint_protocol.dart';
+export 'protocols/utxo/utxo_protocol.dart';
+export 'protocols/zhtlc/zhtlc_protocol.dart';
+export 'public_key/asset_pubkeys.dart';
+export 'public_key/derivation_method.dart';
+export 'public_key/pubkey.dart';
+export 'public_key/pubkey_strategy.dart';
+export 'public_key/token_balance_map.dart';
+export 'public_key/wallet_balance.dart';
+export 'transactions/balance_changes.dart';
+export 'transactions/fee_info.dart';
+export 'transactions/transaction.dart';
+export 'transactions/transaction_history_strategy.dart';
+export 'transactions/transaction_pagination_strategy.dart';
+export 'transactions/transaction_results_page.dart';
+export 'withdrawal/withdrawal_enums.dart';
+export 'withdrawal/withdrawal_types.dart';