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MarketDataView

fynd_core::feed::market_data

Struct MarketDataView 

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pub struct MarketDataView<'a> { /* private fields */ }
Expand description

An overlay-aware view of the market data, held for the duration of a read lock.

Holds a read lock on the base MarketState and an optional overlay snapshot. Use get_simulation_state for overlay-aware component lookups. All other accessors delegate to the base data.

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impl<'a> MarketDataView<'a>

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pub fn state_label(&self) -> Option<&StateLabel>

Returns the label identifying the active overlay, or None if no overlay is in effect.

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pub fn get_simulation_state(&self, id: &str) -> Option<&dyn ProtocolSim>

Returns the simulation state for the given component, checking the overlay first.

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pub fn extract_subset_with_overlay( &self, component_ids: &FxHashSet<&ComponentId>, ) -> MarketState

Extracts a base-data subset for the given component IDs, then layers the active overlay on top by replacing any simulation states found in both the subset and the overlay.

If no overlay is active, this is equivalent to self.extract_subset(component_ids).

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pub fn component_topology(&self) -> FxHashMap<ComponentId, Vec<Address>>

Returns the component topology from the base data.

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pub fn extract_subset( &self, component_ids: &FxHashSet<&ComponentId>, ) -> MarketState

Extracts a base-data subset for the given component IDs (no overlay applied).

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pub fn token_registry_ref(&self) -> &FxHashMap<Address, Arc<Token>>

Returns a reference to the token registry from the base data.

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pub fn gas_price(&self) -> Option<&BlockGasPrice>

Returns the current gas price from the base data.

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pub fn last_updated(&self) -> Option<&BlockInfo>

Returns the block info for the last base-state update.

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pub fn get_token(&self, address: &Address) -> Option<&Token>

Returns a token by address from the base data.

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pub fn get_token_shared(&self, address: &Address) -> Option<&Arc<Token>>

Returns a token by address from the base data, to be held rather than copied.

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pub fn get_component(&self, id: &str) -> Option<&ProtocolComponent>

Returns a component by ID from the base data.

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pub fn base_market_state(&self) -> &MarketState

Returns a reference to the underlying base market state, bypassing any overlay.

Auto Trait Implementations§

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impl<'a> !RefUnwindSafe for MarketDataView<'a>

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impl<'a> !UnwindSafe for MarketDataView<'a>

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impl<'a> Freeze for MarketDataView<'a>

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impl<'a> Send for MarketDataView<'a>

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impl<'a> Sync for MarketDataView<'a>

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impl<'a> Unpin for MarketDataView<'a>

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impl<'a> UnsafeUnpin for MarketDataView<'a>

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