xeiaso.net / ircd.rs
Proof of concept mechanical port of ircnet/ircd to Rust as part of a bit about C being insecure for network services
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ircd.rs / docs / claude-memory / leveva-link-version-021-staleness.md
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name: leveva-link-version-021-staleness description: Recurring pre-existing breakage — leveva test/snapshot assertions go stale against server::LINK_VERSION (the 021- protocol-prefixed link version) and the version bump; fix as a separate prep commit before the slice metadata: node_type: memory type: project originSessionId: dffd0a98-08f0-4e3b-af02-71f5ec03a7bf#

leveva/src/server.rs defines TWO version consts:

  • VERSION = "leveva-<CARGO_PKG_VERSION>" (e.g. leveva-0.0.2) — RPL_VERSION/004/etc.
  • LINK_VERSION = "021-leveva-<CARGO_PKG_VERSION>" — the S2S PASS greeting version field (021- is the IRCnet protocol-version prefix). Built by s2s/handshake.rs::build_accept_reply / build_link_greeting.

Recurring trap: tests and golden snapshots that assert the outbound PASS line drift stale because they hard-code VERSION (missing the 021- prefix) or a literal old version. cargo test -p leveva is then red on HEAD before you change anything — verify with git stash. This is the same class of breakage slice 114 cleaned up (it masked VERSION bump-proof in canonicalize()).

When found (e.g. slice 130 hit it): fix it as a separate prep commit BEFORE the slice work, message test(leveva): fix pre-existing LINK_VERSION (021-) staleness …. Known stale spots that needed the 021- form:

  • s2s/handshake.rs unit good_pass_then_server_establishes_and_replies (assert LINK_VERSION, not VERSION).
  • tests/snapshots/golden_connect__…, golden_s2s__…, golden_autoconnect__… (the PASS ourpw … line — change leveva-<VER> → 021-leveva-<VER>; canonicalize() masks the semver tail to <VER> but NOT the 021- prefix).

If you bump the crate version or touch the PASS greeting, re-grep grep -rn 'PASS' leveva/tests/snapshots/ | grep 'leveva-<VER>' | grep -v '021-' for new stale snapshots. Related: [[leveva-slice-recording]].