originSignaturePayload method
Implementation
Uint8List originSignaturePayload() {
final payloadForPreviousSignature = previousSignaturePayload();
return concatUint8List(<Uint8List>[
payloadForPreviousSignature,
Uint8List.fromList(hexToUint8List(previousPublicKey!)),
Uint8List.fromList(
<int>[Uint8List.fromList(hexToUint8List(previousSignature!)).length],
),
Uint8List.fromList(hexToUint8List(previousSignature!)),
]);
}