Trait ReactiveHandler 

pub trait ReactiveHandler<N: Network = Ethereum>: Send + Sync {
    // Required methods
    fn id(&self) -> HandlerId;
    fn interests(&self) -> Vec<ReactiveInterest<N>>;
    fn handle(
        &self,
        ctx: &ReactiveContext,
        input: &ReactiveInput<N>,
        state: &dyn StateView,
    ) -> Result<HandlerOutcome, HandlerError>;

    // Provided method
    fn log_route_index(&self) -> Option<LogRouteIndex> { ... }
}

Pure synchronous handler for reactive inputs.

Required Methods

fn id(&self) -> HandlerId

Stable handler id.

fn interests(&self) -> Vec<ReactiveInterest<N>>

Interests used by subscribers and the local router.

fn handle( &self, ctx: &ReactiveContext, input: &ReactiveInput<N>, state: &dyn StateView, ) -> Result<HandlerOutcome, HandlerError>

Handle one input against a read-only cache view.

Provided Methods

fn log_route_index(&self) -> Option<LogRouteIndex>

Exhaustive exact keys for log inputs this handler can accept.

Returning None keeps the handler on the compatibility fallback path. Returning an index promises that every matching log has at least one of its keys; the registry still re-checks the handler’s original LogInterests and local matchers before dispatch.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<N: Network> ReactiveHandler<N> for EventDecoderHandler