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network: blocks_by_range catch-up cadence — @min(gap, MAX_REQUEST_BLOCKS) cycle-gates large gaps

Status: Open.

#835 In blockblaz/zeam;

· zclawz opened on May 6, 2026

network: per-peer rate-limit / DoS handling for blocks_by_range server

Status: Open.

#834 In blockblaz/zeam;

· zclawz opened on May 6, 2026

network: request-ID vs pending-state race in sendBlocksByRangeRequest / ensureBlocksByRootRequest

Status: Open.

#833 In blockblaz/zeam;

· zclawz opened on May 6, 2026

stress: add lock-contention mode (XMSS-skipped) to surface lock-hierarchy regressions

good-first-issue

performance

test

Status: Open.

#825 In blockblaz/zeam;

· zclawz opened on May 5, 2026

states_lock.exclusive held across DB write in onBlock — attestation hot path blocked

Status: Open.

#821 In blockblaz/zeam;

· zclawz opened on May 4, 2026

Add ENR attnets advertisement, discv5 attnets-aware peer filter, and backbone subnet subscriptions

Status: Open.

#816 In blockblaz/zeam;

· ch4r10t33r opened on May 1, 2026

devnet-4: gossipsub mesh dies ~9min after restart on v0.4.13 (zeam_0 / zeam_1, root cause behind send_swarm_command: command channel full)

bugSomething isn't workingSomething isn't working

devnet-4

network

Status: Open.

#813 In blockblaz/zeam;

· zclawz opened on May 1, 2026

BeamNode threading model refactor — 8-point plan (supersedes #798-#802)

enhancementNew feature or requestNew feature or request

performance

Status: Open.

#803 In blockblaz/zeam;

· zclawz opened on Apr 29, 2026

cleanup: standardize CLI flag naming to use hyphens

Status: Open.

#795 In blockblaz/zeam;

· markolazic01 opened on Apr 28, 2026

Aggregator clock jitter caused by event loop blocking during PQ signature aggregation

Status: Open.

#792 In blockblaz/zeam;

· KatyaRyazantseva opened on Apr 28, 2026

zeam_0: fork choice resets to finalized checkpoint under timing desync (FutureSlot rejection loop)

bugSomething isn't workingSomething isn't working

Status: Open.

#788 In blockblaz/zeam;

· zclawz opened on Apr 27, 2026

BeamNode mutex serializes chain work; heavy STF blocks interval vs gossip

Status: Open.

#786 In blockblaz/zeam;

· ch4r10t33r opened on Apr 27, 2026