feat: Add slow sync strike out logic (#2196)

Co-authored-by: Mirko von Leipzig <48352201+Mirko-von-Leipzig@users.noreply.github.com>

Author: sergerad

CHANGELOG.md

@@ -57,6 +57,7 @@ operated.
 - [BREAKING] `GetAccount` can now return all storage map entries with a single request ([#2121](https://github.com/0xMiden/node/issues/2121)).
 - Persisted attachments of private output notes when applying a block, so they are now returned by `GetNotesById` ([#2172](https://github.com/0xMiden/node/pull/2172)).
 - [BREAKING] Replaced `StoreStatus` with `chain_tip` field in `RpcStatus` ([#2187](https://github.com/0xMiden/node/pull/2187)).
+- Added logic to disconnect slow block and proof stream clients ([#2196](https://github.com/0xMiden/node/pull/2196)).
 - Added gRPC health check endpoint to node's RPC service ([#2188](https://github.com/0xMiden/node/pull/2188)).
 
 ### Docker

Dockerfile

@@ -32,6 +32,10 @@ RUN cargo chef prepare --recipe-path recipe.json
 
 FROM chef AS builder
 ARG BIN
+# Disable incremental compilation: Docker normalises COPY timestamps, which
+# breaks Rust's mtime-based fingerprinting and causes stale .rlib reuse.
+# The /app/target cache still accelerates builds via pre-compiled dep .rlibs.
+ENV CARGO_INCREMENTAL=0
 COPY --from=planner /app/recipe.json recipe.json
 # Build dependencies while preserving Cargo artifacts across layer invalidations.
 #

crates/rpc/src/server/api.rs

@@ -314,6 +314,9 @@ fn state_subscription_error_to_status(err: StateSubscriptionError) -> Status {
             "failed to load proof for block {block_num}: {}",
             source.as_report()
         )),
+        StateSubscriptionError::TooSlow => {
+            Status::resource_exhausted("subscriber is too slow to keep up with the chain")
+        },
     }
 }