encodeInternal method

BigInt encodeInternal(Object value)

Implementation

BigInt encodeInternal(Object value) {
  BigInt bigInt;
  if (value is String) {
    var s = value.toLowerCase().trim();
    var radix = 10;
    if (s.startsWith('0x')) {
      s = s.substring(2);
      radix = 16;
    } else if (s.length == 64 && isHex(s)) {
      radix = 16;
    }
    bigInt = BigInt.parse(s, radix: radix);
  } else if (value is BigInt) {
    bigInt = value;
  } else if (value is num) {
    bigInt = BigInt.from(value);
  } else if (value is Uint8List) {
    if (this is UintType) {
      bigInt = bytesToBigIntUnsigned(value);
    } else {
      bigInt = bytesToBigInt(value);
    }
  } else {
    throw Exception(
      'Invalid value for type "$this": $value (${value.runtimeType})',
    );
  }
  return bigInt;
}