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fix: Correct return type of _manualAckHash and improve hash computation

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This commit is contained in:
Winston Lowe
2026-03-23 10:14:30 -07:00
parent 630606acdc
commit 58252b8a40
1 changed files with 3 additions and 2 deletions
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test/services/retry_and_protocol_test.dart
+3 -2
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@@ -14,7 +14,7 @@ import 'package:meshcore_open/services/message_retry_service.dart';
/// Replicates the SHA-256 computation from [MessageRetryService.computeExpectedAckHash] /// Replicates the SHA-256 computation from [MessageRetryService.computeExpectedAckHash]
/// so tests can cross-check without calling the real implementation twice. /// so tests can cross-check without calling the real implementation twice.
Uint8List _manualAckHash( int _manualAckHash(
int timestampSeconds, int timestampSeconds,
int attemptMasked, // already masked to 0x03 int attemptMasked, // already masked to 0x03
String text, String text,
@@ -35,7 +35,8 @@ Uint8List _manualAckHash(
buffer.setRange(offset, offset + senderPubKey.length, senderPubKey); buffer.setRange(offset, offset + senderPubKey.length, senderPubKey);
final hash = sha256.convert(buffer); final hash = sha256.convert(buffer);
return Uint8List.fromList(hash.bytes.sublist(0, 4)); final bytes = Uint8List.fromList(hash.bytes.sublist(0, 4));
return (bytes[3] << 24) | (bytes[2] << 16) | (bytes[1] << 8) | bytes[0];
} }
Uint8List _makeKey(int seed) { Uint8List _makeKey(int seed) {