generateCandleVectors function

Future<List<List<num>>> generateCandleVectors({ required String assetType, required String ticker, required List<int> timestamps, required List<double> opens, required List<double> closes, required List<double> lows, required List<double> highs, })

Implementation

Future<List<List<num>>> generateCandleVectors({
  required String assetType,
  required String ticker,
  required List<int> timestamps,
  required List<double> opens,
  required List<double> closes,
  required List<double> lows,
  required List<double> highs,
}) async {
  final int length = timestamps.length;
  if ([opens, closes, lows, highs].any((list) => list.length != length)) {
    throw ArgumentError(
        'Todas as listas devem ter o mesmo tamanho e não podem estar vazias.');
  }
  if (length == 0) {
    throw ArgumentError('As listas não podem estar vazias.');
  }

  final fbblNumber = generateSecureNumericHash(ticker);
  final blindScale = await generateBlindScale(assetType);

  List<List<num>> vectors = [];

  for (int i = 0; i < length; i++) {
    final encodedOpen = await encodeScale(opens[i], assetType);
    final encodedClose = await encodeScale(closes[i], assetType);
    final encodedLow = await encodeScale(lows[i], assetType);
    final encodedHigh = await encodeScale(highs[i], assetType);

    final blindOHLC = await applyBlindScale(
        [encodedOpen, encodedClose, encodedLow, encodedHigh], blindScale);

    vectors.add([timestamps[i], ...blindOHLC, fbblNumber]);
  }

  return vectors;
}