Merge branch 'feat/catalyst_cardano_address' into feat/catalyst_carda…

…no_transaction_builder

catalyst_voices_packages/catalyst_cardano_serialization/lib/catalyst_cardano_serialization.dart

@@ -1 +1,2 @@
 export 'src/address.dart';
+export 'src/types.dart';

catalyst_voices_packages/catalyst_cardano_serialization/lib/src/address.dart

@@ -66,7 +66,7 @@ class ShelleyAddress {
   }
 
   /// Returns the [NetworkId] related to this address.
-  NetworkId get network => NetworkId.testnet.magicId == (bytes[0] & 0x0f)
+  NetworkId get network => NetworkId.testnet.id == (bytes[0] & 0x0f)
       ? NetworkId.testnet
       : NetworkId.mainnet;
 
@@ -88,9 +88,7 @@ class ShelleyAddress {
   }
 
   /// Serializes the type as cbor.
-  CborValue toCbor() {
-    return CborBytes(bytes);
-  }
+  CborValue toCbor() => CborBytes(bytes);
 
   @override
   int get hashCode => Object.hash(bytes, hrp);

catalyst_voices_packages/catalyst_cardano_serialization/lib/src/exceptions.dart

@@ -13,12 +13,10 @@ class MaxTxSizeExceededException implements Exception {
   });
 
   @override
-  String toString() {
-    return 'MaxTxSizeExceededException('
-        'maxTxSize=$maxTxSize'
-        ', actualTxSize:$actualTxSize'
-        ')';
-  }
+  String toString() => 'MaxTxSizeExceededException('
+      'maxTxSize=$maxTxSize'
+      ', actualTxSize:$actualTxSize'
+      ')';
 }
 
 /// Exception thrown when building a transaction that doesn't specify the fee.
@@ -27,9 +25,7 @@ class TxFeeNotSpecifiedException implements Exception {
   const TxFeeNotSpecifiedException();
 
   @override
-  String toString() {
-    return 'TxFeeNotSpecifiedException';
-  }
+  String toString() => 'TxFeeNotSpecifiedException';
 }
 
 /// Exception thrown when parsing a transaction hash that has incorrect length.
@@ -38,9 +34,7 @@ class TransactionHashFormatException implements Exception {
   const TransactionHashFormatException();
 
   @override
-  String toString() {
-    return 'TransactionHashFormatException';
-  }
+  String toString() => 'TransactionHashFormatException';
 }
 
 /// Exception thrown if the address doesn't match the bech32 specification

catalyst_voices_packages/catalyst_cardano_serialization/lib/src/types.dart

@@ -1,26 +1,37 @@
 import 'package:cbor/cbor.dart';
 
-/// Specifies an amount of ADA in terms of lovelace.
-typedef Coin = int;
-
 /// Specifies on which network the code will run.
 enum NetworkId {
   /// The production network
-  mainnet(magicId: 1),
+  mainnet(id: 1),
 
   /// The test network.
-  testnet(magicId: 0);
+  testnet(id: 0);
 
   /// The magic protocol number acting as the identifier of the network.
-  final int magicId;
+  final int id;
+
+  const NetworkId({required this.id});
+}
+
+/// Specifies an amount of ADA in terms of lovelace.
+extension type Coin(int value) {
+  /// Adds [other] value to this value and returns a new [Coin].
+  Coin operator +(Coin other) => Coin(value + other.value);
+
+  /// Subtracts [other] values from this value and returns a new [Coin].
+  Coin operator -(Coin other) => Coin(value - other.value);
+
+  /// Multiplies this value by [other] values and returns a new [Coin].
+  Coin operator *(Coin other) => Coin(value * other.value);
 
-  const NetworkId({required this.magicId});
+  /// Divides this value by [other] value without remainder
+  /// and returns a new [Coin].
+  Coin operator ~/(Coin other) => Coin(value ~/ other.value);
 }
 
 /// A blockchain slot number.
 extension type SlotBigNum(int value) {
   /// Serializes the type as cbor.
-  CborValue toCbor() {
-    return CborSmallInt(value);
-  }
+  CborValue toCbor() => CborSmallInt(value);
 }

catalyst_voices_packages/catalyst_cardano_serialization/test/types_test.dart

@@ -0,0 +1,26 @@
+import 'package:catalyst_cardano_serialization/src/types.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group(Coin, () {
+    test('addition', () {
+      expect(Coin(3) + Coin(100), equals(Coin(103)));
+      expect(Coin(-100) + Coin(100), equals(Coin(0)));
+    });
+
+    test('subtraction', () {
+      expect(Coin(5) - Coin(2), equals(Coin(3)));
+      expect(Coin(10) - Coin(27), equals(Coin(-17)));
+    });
+
+    test('multiplication', () {
+      expect(Coin(3) * Coin(6), equals(Coin(18)));
+      expect(Coin(-5) * Coin(7), equals(Coin(-35)));
+    });
+
+    test('division', () {
+      expect(Coin(3) ~/ Coin(2), equals(Coin(1)));
+      expect(Coin(100) ~/ Coin(50), equals(Coin(2)));
+    });
+  });
+}