openInterest method

Future<Either<String, OpenInterest>> openInterest({
  1. required String symbol,
})

Get present open interest of a specific symbol.

Implementation

Future<Either<String, OpenInterest>> openInterest({
  required String symbol,
}) {
  Map<String, String> params = {
    'symbol': symbol,
  };
  return sendRequest(
    path: 'fapi/v1/openInterest',
    type: RequestType.GET,
    params: params,
  ).then(
      (r) => r.isLeft ? Left(r.left) : Right(OpenInterest.fromMap(r.right)));
}