Struct DydxDataClient 

pub struct DydxDataClient { /* private fields */ }

dYdX data client for live market data streaming and historical data requests.

This client integrates with the Nautilus DataEngine to provide:

• Real-time market data via WebSocket subscriptions
• Historical data via REST API requests
• Automatic instrument discovery and caching
• Connection lifecycle management

Implementations

impl DydxDataClient

pub fn new( client_id: ClientId, config: DydxDataClientConfig, http_client: DydxHttpClient, ws_client: Option<DydxWebSocketClient>, ) -> Result<Self>

Creates a new DydxDataClient instance.

Errors

Returns an error if the client fails to initialize.

pub fn venue(&self) -> Venue

Returns the venue for this data client.

pub fn is_connected(&self) -> bool

Returns true when the client is connected.

impl DydxDataClient

pub fn start_instrument_refresh_task(&mut self) -> Result<()>

Start a task to periodically refresh instruments.

This task runs in the background and updates the instrument cache at the configured interval.

Errors

Returns an error if a refresh task is already running.

pub fn get_instrument(&self, symbol: &str) -> Option<InstrumentAny>

Get a cached instrument by symbol.

pub fn get_instruments(&self) -> Vec<InstrumentAny>

Get all cached instruments.

Trait Implementations

impl DataClient for DydxDataClient

fn client_id(&self) -> ClientId

Returns the unique identifier for this data client.

fn venue(&self) -> Option<Venue>

Returns the optional venue this client is associated with.

fn start(&mut self) -> Result<()>

Starts the data client.

fn stop(&mut self) -> Result<()>

Stops the data client.

fn reset(&mut self) -> Result<()>

Resets the data client to its initial state.

fn dispose(&mut self) -> Result<()>

Disposes of client resources and cleans up.

fn connect<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Connects external API’s if needed.

fn disconnect<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Disconnects external API’s if needed.

fn is_connected(&self) -> bool

Returns true if the client is currently connected.

fn is_disconnected(&self) -> bool

Returns true if the client is currently disconnected.

fn unsubscribe_instruments( &mut self, _cmd: &UnsubscribeInstruments, ) -> Result<()>

Unsubscribes from instruments list for the specified venue.

fn unsubscribe_instrument(&mut self, _cmd: &UnsubscribeInstrument) -> Result<()>

Unsubscribes from data for the specified instrument.

fn subscribe_instruments(&mut self, _cmd: &SubscribeInstruments) -> Result<()>

Subscribes to instruments list for the specified venue.

fn subscribe_instrument(&mut self, _cmd: &SubscribeInstrument) -> Result<()>

Subscribes to data for a single instrument.

fn subscribe_trades(&mut self, cmd: &SubscribeTrades) -> Result<()>

Subscribes to trade updates for the specified instrument.

fn subscribe_book_deltas(&mut self, cmd: &SubscribeBookDeltas) -> Result<()>

Subscribes to order book delta updates for the specified instrument.

fn subscribe_book_snapshots( &mut self, cmd: &SubscribeBookSnapshots, ) -> Result<()>

Subscribes to periodic order book snapshots for the specified instrument.

fn subscribe_quotes(&mut self, cmd: &SubscribeQuotes) -> Result<()>

Subscribes to quote updates for the specified instrument.

fn subscribe_bars(&mut self, cmd: &SubscribeBars) -> Result<()>

Subscribes to bar updates of the specified bar type.

fn unsubscribe_trades(&mut self, cmd: &UnsubscribeTrades) -> Result<()>

Unsubscribes from trade updates for the specified instrument.

fn unsubscribe_book_deltas(&mut self, cmd: &UnsubscribeBookDeltas) -> Result<()>

Unsubscribes from order book delta updates for the specified instrument.

fn unsubscribe_book_snapshots( &mut self, cmd: &UnsubscribeBookSnapshots, ) -> Result<()>

Unsubscribes from periodic order book snapshots for the specified instrument.

fn unsubscribe_quotes(&mut self, cmd: &UnsubscribeQuotes) -> Result<()>

Unsubscribes from quote updates for the specified instrument.

fn unsubscribe_bars(&mut self, cmd: &UnsubscribeBars) -> Result<()>

Unsubscribes from bar updates of the specified bar type.

fn request_instrument(&self, request: &RequestInstrument) -> Result<()>

Requests detailed data for a single instrument.

fn request_instruments(&self, request: &RequestInstruments) -> Result<()>

Requests a list of instruments from the provider for a given venue.

fn request_trades(&self, request: &RequestTrades) -> Result<()>

Requests historical or streaming trade data for a specified instrument.

fn request_bars(&self, request: &RequestBars) -> Result<()>

Requests historical or streaming bar data for a specified instrument and bar type.

fn subscribe(&mut self, cmd: &SubscribeCustomData) -> Result<(), Error>

Subscribes to custom data types according to the command.

fn subscribe_book_depth10( &mut self, cmd: &SubscribeBookDepth10, ) -> Result<(), Error>

Subscribes to top 10 order book depth updates for the specified instrument.

fn subscribe_mark_prices( &mut self, cmd: &SubscribeMarkPrices, ) -> Result<(), Error>

Subscribes to mark price updates for the specified instrument.

fn subscribe_index_prices( &mut self, cmd: &SubscribeIndexPrices, ) -> Result<(), Error>

Subscribes to index price updates for the specified instrument.

fn subscribe_funding_rates( &mut self, cmd: &SubscribeFundingRates, ) -> Result<(), Error>

Subscribes to funding rate updates for the specified instrument.

fn subscribe_instrument_status( &mut self, cmd: &SubscribeInstrumentStatus, ) -> Result<(), Error>

Subscribes to status updates for the specified instrument.

fn subscribe_instrument_close( &mut self, cmd: &SubscribeInstrumentClose, ) -> Result<(), Error>

Subscribes to instrument close events for the specified instrument.

fn subscribe_blocks(&mut self, cmd: &SubscribeBlocks) -> Result<(), Error>

Subscribes to blocks for a specified blockchain.

fn subscribe_pool(&mut self, cmd: &SubscribePool) -> Result<(), Error>

Subscribes to pool definition updates for a specified AMM pool.

fn subscribe_pool_swaps( &mut self, cmd: &SubscribePoolSwaps, ) -> Result<(), Error>

Subscribes to pool swaps for a specified AMM pool.

fn subscribe_pool_liquidity_updates( &mut self, cmd: &SubscribePoolLiquidityUpdates, ) -> Result<(), Error>

Subscribes to pool liquidity updates for a specified AMM pool.

fn subscribe_pool_fee_collects( &mut self, cmd: &SubscribePoolFeeCollects, ) -> Result<(), Error>

Subscribes to pool fee collects for a specified AMM pool.

fn subscribe_pool_flash_events( &mut self, cmd: &SubscribePoolFlashEvents, ) -> Result<(), Error>

Subscribes to pool flash loan events for a specified AMM pool.

fn unsubscribe(&mut self, cmd: &UnsubscribeCustomData) -> Result<(), Error>

Unsubscribes from custom data types according to the command.

fn unsubscribe_book_depth10( &mut self, cmd: &UnsubscribeBookDepth10, ) -> Result<(), Error>

Unsubscribes from top 10 order book depth updates for the specified instrument.

fn unsubscribe_mark_prices( &mut self, cmd: &UnsubscribeMarkPrices, ) -> Result<(), Error>

Unsubscribes from mark price updates for the specified instrument.

fn unsubscribe_index_prices( &mut self, cmd: &UnsubscribeIndexPrices, ) -> Result<(), Error>

Unsubscribes from index price updates for the specified instrument.

fn unsubscribe_funding_rates( &mut self, cmd: &UnsubscribeFundingRates, ) -> Result<(), Error>

Unsubscribes from funding rate updates for the specified instrument.

fn unsubscribe_instrument_status( &mut self, cmd: &UnsubscribeInstrumentStatus, ) -> Result<(), Error>

Unsubscribes from instrument status updates for the specified instrument.

fn unsubscribe_instrument_close( &mut self, cmd: &UnsubscribeInstrumentClose, ) -> Result<(), Error>

Unsubscribes from instrument close events for the specified instrument.

fn unsubscribe_blocks(&mut self, cmd: &UnsubscribeBlocks) -> Result<(), Error>

Unsubscribes from blocks for a specified blockchain.

fn unsubscribe_pool(&mut self, cmd: &UnsubscribePool) -> Result<(), Error>

Unsubscribes from pool definition updates for a specified AMM pool.

fn unsubscribe_pool_swaps( &mut self, cmd: &UnsubscribePoolSwaps, ) -> Result<(), Error>

Unsubscribes from swaps for a specified AMM pool.

fn unsubscribe_pool_liquidity_updates( &mut self, cmd: &UnsubscribePoolLiquidityUpdates, ) -> Result<(), Error>

Unsubscribes from pool liquidity updates for a specified AMM pool.

fn unsubscribe_pool_fee_collects( &mut self, cmd: &UnsubscribePoolFeeCollects, ) -> Result<(), Error>

Unsubscribes from pool fee collects for a specified AMM pool.

fn unsubscribe_pool_flash_events( &mut self, cmd: &UnsubscribePoolFlashEvents, ) -> Result<(), Error>

Unsubscribes from pool flash loan events for a specified AMM pool.

fn request_data(&self, request: &RequestCustomData) -> Result<(), Error>

Sends a custom data request to the provider.

fn request_book_snapshot( &self, request: &RequestBookSnapshot, ) -> Result<(), Error>

Requests a snapshot of the order book for a specified instrument.

fn request_quotes(&self, request: &RequestQuotes) -> Result<(), Error>

Requests historical or streaming quote data for a specified instrument.

fn request_book_depth(&self, request: &RequestBookDepth) -> Result<(), Error>

Requests historical order book depth data for a specified instrument.

fn request_pool_snapshot( &self, request: &RequestPoolSnapshot, ) -> Result<(), Error>

Requests a snapshot of a specific AMM pool.

impl Debug for DydxDataClient

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.