V2.1.1

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 2.1.1
+   - Fix Cbor bigint encoding.
+
 ## 2.1.0
 - Implements classes for signing and verifying transaction digests.
    - Introduces classes for signing and verifying transaction digests, with support for Cardano.

lib/cbor/types/bigint.dart

@@ -2,6 +2,7 @@ import 'package:blockchain_utils/binary/utils.dart';
 import 'package:blockchain_utils/cbor/utils/dynamic_bytes.dart';
 import 'package:blockchain_utils/cbor/core/tags.dart';
 import 'package:blockchain_utils/cbor/core/cbor.dart';
+import 'package:blockchain_utils/numbers/numbers.dart';
 
 /// A class representing a CBOR (Concise Binary Object Representation) Bigint value.
 class CborBigIntValue implements CborNumeric {
@@ -24,14 +25,10 @@ class CborBigIntValue implements CborNumeric {
     } else {
       bytes.pushTags(CborTags.posBigInt);
     }
-    final b = List<int>.filled((v.bitLength + 7) ~/ 8, 0);
-
-    for (var i = b.length - 1; i >= 0; i--) {
-      b[i] = v.toUnsigned(8).toInt();
-      v >>= 8;
-    }
-    bytes.pushInt(MajorTags.byteString, b.length);
-    bytes.pushBytes(b);
+    final toBytes =
+        BigintUtils.toBytes(v, length: BigintUtils.bitlengthInBytes(v));
+    bytes.pushInt(MajorTags.byteString, toBytes.length);
+    bytes.pushBytes(toBytes);
     return bytes.toBytes();
   }
 
@@ -67,7 +64,7 @@ class CborBigIntValue implements CborNumeric {
     return value == other.value;
   }
 
-  /// ovveride hash code
+  /// overide hash code
   @override
   int get hashCode => value.hashCode;
 }

lib/cbor/types/int.dart

@@ -1,7 +1,6 @@
-import 'package:blockchain_utils/binary/utils.dart';
+import 'package:blockchain_utils/blockchain_utils.dart';
 import 'package:blockchain_utils/cbor/utils/dynamic_bytes.dart';
 import 'package:blockchain_utils/cbor/core/tags.dart';
-import 'package:blockchain_utils/cbor/core/cbor.dart';
 
 /// A class representing a CBOR (Concise Binary Object Representation) int value.
 class CborIntValue implements CborNumeric {
@@ -49,8 +48,9 @@ class CborIntValue implements CborNumeric {
   /// overide equal operation
   @override
   operator ==(other) {
-    if (other is! CborIntValue) return false;
-    return value == other.value;
+    if (other is! CborNumeric) return false;
+    if (other is CborBigIntValue) return false;
+    return toBigInt() == other.toBigInt();
   }
 
   /// ovveride hash code

lib/cbor/types/int64.dart

@@ -54,8 +54,9 @@ class CborSafeIntValue implements CborNumeric {
   /// override equal operation
   @override
   operator ==(other) {
-    if (other is! CborSafeIntValue) return false;
-    return value == other.value;
+    if (other is! CborNumeric) return false;
+    if (other is CborBigIntValue) return false;
+    return toBigInt() == other.toBigInt();
   }
 
   /// override hashcode

lib/signer/bitcoin_signer.dart

@@ -122,10 +122,14 @@ class BitcoinSigner {
     int lengthR = signature[3];
 
     while (lengthR == 33) {
-      final attemptBytes = IntUtils.toBytes(attempt, length: 32);
+      final List<int> extraEntropy = List<int>.filled(32, 0);
+      final attemptBytes =
+          IntUtils.toBytes(attempt, length: IntUtils.bitlengthInBytes(attempt));
+      extraEntropy.setAll(
+          extraEntropy.length - attemptBytes.length, attemptBytes);
 
       ecdsaSign = signingKey.signDigestDeterminstic(
-          digest: digest, hashFunc: () => SHA256(), extraEntropy: attemptBytes);
+          digest: digest, hashFunc: () => SHA256(), extraEntropy: extraEntropy);
 
       signature = BigintUtils.toDer([ecdsaSign.r, ecdsaSign.s]);
       attempt += 1;

pubspec.yaml

@@ -1,6 +1,6 @@
 name: blockchain_utils
 description: Comprehensive Crypto & Blockchain Toolkit, Pure Dart, Cross-Platform, Encoding, Cryptography, Addresses, Mnemonics, & More.
-version: 2.1.0
+version: 2.1.1
 homepage: "https://github.com/mrtnetwork/blockchain_utils"
 repository: "https://github.com/mrtnetwork/blockchain_utils"
 Author: [email protected]

test/signer/bitcoin_test.dart

@@ -0,0 +1 @@
+void main() {}

test/uuid_test.dart

@@ -2,6 +2,9 @@ import 'package:blockchain_utils/blockchain_utils.dart';
 import 'package:test/test.dart';
 
 void main() {
+
+  // print();
+  // return;
   List<int> buffer1 = List<int>.from(
       [174, 91, 168, 91, 107, 15, 78, 26, 181, 132, 151, 91, 160, 7, 157, 152]);
   List<int> buffer2 = List<int>.from([