Function intercept_or_forward

crates/evm-node/src/rpc_middleware.rs:262–273

Intercepts pending-tx RPCs (error or null) or forwards to the inner service.

(service: &S, req: Request<'a>)

/// Intercepts pending-tx RPCs (error or null) or forwards to the inner service.
async fn intercept_or_forward<'a, S>(service: &S, req: Request<'a>) -> MethodResponse
where
    S: RpcServiceT<MethodResponse = MethodResponse> + Send + Sync,
{
    if let Err(err) = error_if_pending_tx_rpc(&req) {
        return MethodResponse::error(req.id(), err);
    }
    if is_pool_pending_tx_lookup(&req) || is_pending_block_query(&req) {
        return null_response(&req);
    }
    service.call(req).await
}

/// RPC middleware that rejects raw transaction submission calls carrying a
/// pre-EIP-155 (replay-unprotected) transaction.