serializeInstructionsV0 static method

List<int> serializeInstructionsV0(List<CompiledInstruction> compiledInstructions)

serialize Message V0 instructions

Implementation

static List<int> serializeInstructionsV0(
  List<CompiledInstruction> compiledInstructions,
) {
  var serializedLength = 0;
  final serializedInstructions = List<int>.filled(
    SolanaTransactionConstant.packetDataSize,
    0,
  );
  for (final instruction in compiledInstructions) {
    final encodedAccountKeyIndexesLength =
        SolanaTransactionUtils._encodeLength(instruction.accounts.length);
    final encodedDataLength = SolanaTransactionUtils._encodeLength(
      instruction.data.length,
    );
    final instructionLayout = LayoutConst.struct([
      LayoutConst.u8(property: 'programIdIndex'),
      LayoutConst.blob(
        encodedAccountKeyIndexesLength.length,
        property: 'encodedAccountKeyIndexesLength',
      ),
      LayoutConst.array(
        LayoutConst.u8(),
        instruction.accounts.length,
        property: 'accountKeyIndexes',
      ),
      LayoutConst.blob(
        encodedDataLength.length,
        property: 'encodedDataLength',
      ),
      LayoutConst.blob(instruction.data.length, property: 'data'),
    ]);
    final encode = instructionLayout.serialize({
      'programIdIndex': instruction.programIdIndex,
      'encodedAccountKeyIndexesLength': encodedAccountKeyIndexesLength,
      'accountKeyIndexes': instruction.accounts,
      'encodedDataLength': encodedDataLength,
      'data': instruction.data,
    });
    serializedInstructions.setAll(serializedLength, encode);
    serializedLength += encode.length;
  }
  return serializedInstructions.sublist(0, serializedLength);
}