File: WebAPI/metadata_2.proto
Request for a list of securities for a particular exchange and type of instruments.
Limits:
1. The request rate is 300 per 1 hour by default.
2. The number of simultaneous requests in processing is 300 by default.
3. The number of simultaneous update subscriptions is 300 by default.
Response: ExchangeSecuritiesReport.
Type: sint32
Description: Exchange ID.
Source: ExchangeMetadata.exchange_id, ContractMetadata.exchange_id.
Required: yes.
Type: uint32
Description: This field is associated with InstrumentGroupType enum type.
Required: yes.