docs: current-state the bitcoin multi-version design; move its rollout handoff local

bitcoin-multi-version-design.md carried three layers of stale internal content:
an 80-line HTML-comment work-tracking block (per-phase status with "UNCOMMITTED
on the branch", node numbers, "Next action when resuming", "Decisions still
needed from user"); a rendered "Status: design (2026-06-22)" header that was
wrong — the feature shipped, all four phases, with the downgrade guard added
today; two private `MEMORY →` references; and a node-numbered scheduling note.

Now: the comment block is gone, the status reflects reality, the MEMORY
references and node numbers are removed, and "verify on a real node" replaced
the specific fleet addresses. The design content (source-of-truth decision,
phase designs, invariants) is unchanged.

Separately, bitcoin-version-bulletproof-rollout.md was an inter-agent rollout
handoff — node numbers, branch coordination, "the other agent owns" — not a
design or reference doc. Moved to local-only (still on disk, gitignored) like
the other handoffs; its two path references (a plan doc and a script comment)
are generalized.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
archipelago
2026-08-07 18:34:30 -04:00
co-authored by Claude Opus 5
parent b4e4189407
commit a2efdf7358
5 changed files with 6 additions and 225 deletions
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# Bitcoin Multi-Version Support — Design
<!-- ════════════════════════════════════════════════════════════════════
PROGRESS TRACKER / RESUME POINT (keep this current — update each session)
════════════════════════════════════════════════════════════════════
**Branch/worktree:** `bitcoin-multi-version` @ `/home/archipelago/Projects/archy-btcver`
(isolated — never touch `main` or the other agent's branch). All work UNCOMMITTED on
that branch as of last update.
**Last updated:** 2026-06-28 (session 2 — software end-to-end implemented)
**Motivation refresh:** BIP-110 signalling makes per-node version *choice* a real
requirement — runners must be able to pick / pin / switch Core & Knots versions.
**User direction this session:** finish the SOFTWARE end-to-end (Phase 13 + UI),
DEFER the Phase 0 image build pipeline. Downgrade policy = **warn + confirm + allow**.
### Status by phase
- [x] **Phase 1 — catalog schema** (`app_catalog.rs`): `CatalogVersion` struct +
`versions[]` + `catalog_versions()` / `catalog_default_version()` /
`catalog_image_for_version()` (same-repo guard) DONE. Pin suppresses update badge
in `available_update_for_app()` DONE. `versions[]` now EMITTED by
`scripts/generate-app-catalog.sh` (curated `VERSIONS` map) → `releases/app-catalog.json`
regenerated; bitcoin-core carries its one built version (28.4.0, default). **Knots
versions[] intentionally empty** (only floating `:latest` exists; design forbids
advertising floating). More versions light up automatically once Phase 0 builds
tagged images and they're appended to the `VERSIONS` map.
- [x] **Phase 2 — install-time selection**: `version_config.rs` (pin/auto-update
persistence + `is_downgrade()` + `auto_update_apps()`, unit-tested) DONE;
`install.rs` `persist_install_version_selection()` DONE; `prod_orchestrator.rs`
pinned-wins resolution DONE. **UI:** `MarketplaceAppDetails.vue` install panel shows
a version `<select>` (latest pre-selected) when the app offers ≥2 versions — passes
the choice to `package.install`. (Hidden today since only 1 version exists.)
- [x] **Phase 3 — in-app switch + auto-update toggle**:
- `package.versions` RPC (read) + `package.set-config` RPC (write, downgrade-gated)
→ new `api/rpc/package/set_config.rs`, wired in `mod.rs` + `dispatcher.rs`.
- Auto-update tick: `run_update_scheduler` now takes the orchestrator + calls
`apply_per_app_auto_updates()` hourly (opt-in, pin-respecting, catalog-driven).
- UI: "Version & Updates" card in `appDetails/AppSidebar.vue` (version switch +
auto-update toggle + downgrade warn/confirm); `rpc-client.ts` + types added.
- [x] **Phase 0 — image build pipeline**: `scripts/build-bitcoin-image.sh` —
downloads the OFFICIAL upstream tarball + SHA256SUMS(.asc), verifies SHA-256 **and**
the OpenPGP signature (fail-closed; pinned release-key fingerprints), builds a
minimal **rootless** image (debian-slim + verified `bitcoind`/`bitcoin-cli`),
smoke-tests `--version`, tags + pushes `:<version>`. Validated on Core 31.0
(pinned-GPG pass, smoke `v31.0.0`). **Published curated set** (registry
`lfg2025`): Core **31.0, 30.2, 29.3, 27.2, 26.2, 25.2** (28.4 already present —
kept, not overwritten) + Knots **29.3.knots20260508**. `VERSIONS` map in
`generate-app-catalog.sh` lists them; catalog regenerated. Adding a future release
= run the script for it, then prepend it to the map + regenerate.
### Verification status
- `cargo check -p archipelago` GREEN (backend). Frontend `npm run build` GREEN
(vue-tsc typecheck passes; new RPC strings confirmed in `web/dist`).
- Unit tests: `version_config` had a pre-existing parallel-test race (shared
process-global `ARCHIPELAGO_DATA_DIR`) — FIXED with an `ENV_LOCK` mutex + unique
per-test dirs. `set_config` `image_tag` test added.
- **Phase 0 images verified end-to-end**: SHA-256 + pinned-maintainer OpenPGP
signature (deterministic VALIDSIG check), built rootless, smoke-tested, **pushed
to the live registry** — confirmed remotely: `bitcoin` tags
{25.2,26.2,27.2,28.4,29.3,30.2,31.0} + `bitcoin-knots:29.3.knots20260508`.
- **NOT yet verified on `.228`** (CLAUDE.md invariant — do before any tag): install
bitcoin-core, open its page, switch/pin a version, confirm recreate. All code
UNCOMMITTED on the branch.
### Gotchas captured (for resume)
- `gpg --verify` exit code is unreliable on multi-sig `SHA256SUMS` — must parse
`--status-fd` VALIDSIG and require a pinned maintainer fpr (script does this).
- `podman push` needs the sandbox disabled (`/var/tmp` is RO under the harness
sandbox) and `--tls-verify=false` (registry serves HTTP). Persistent keyring
(`BITCOIN_KEYRING_DIR`) avoids flaky per-build keyserver fetches.
### Next action when resuming
1. Re-verify: `cd archy-btcver/core && CARGO_INCREMENTAL=0 cargo check -p archipelago`
and `cargo test -p archipelago -- version_config set_config`; `cd neode-ui && npm run build`.
2. Live-verify on `.228`: install bitcoin-core, open its detail page → "Version &
Updates" card; exercise `package.versions` / `package.set-config` via RPC.
3. Commit on the branch (checkpoint).
4. **Phase 0** when greenlit: build+push tagged Core/Knots images, then extend the
`VERSIONS` map in `scripts/generate-app-catalog.sh` and regenerate the catalog.
### Decisions still needed from user (see §6 open questions)
Curated version set + storage budget (defaulted to current+~3 majors); when to do
Phase 0 image pipeline; pruned-node downgrade policy refinement (currently warn+confirm
for all). Auto-update default = OFF (opt-in), as recommended.
════════════════════════════════════════════════════════════════════ -->
**Status:** design (2026-06-22)
**Status:** implemented — all four phases shipped (catalog schema, install-time selection, in-app switch + auto-update toggle, and the verified image build pipeline). Downgrades are guarded: the update path never offers a lower version than what is running.
**Goal:** let a user choose *which* version of Bitcoin Core / Bitcoin Knots to
install (latest pre-selected, older versions in a dropdown), and later switch
versions or opt into auto-update — all manifest/catalog-driven, all served from
@@ -94,13 +10,8 @@ changes.
See also: [`docs/registry-manifest-design.md`](registry-manifest-design.md)
(catalog distribution + signing this builds on),
the production test gate (which must be
green first), `MEMORY → project_decoupled_app_updates`,
`MEMORY → project_manifest_driven_north_star`.
and the production test gate (which must be green first).
> **Scheduling:** this is net-new scope. It lands **after** the production test
> gate (`tests/lifecycle/run-20x.sh`) is green on `.228` + `.198`. The data-
> preservation invariant (downgrade vs. chainstate) is the highest risk here.
---
@@ -260,7 +171,7 @@ free. `version`/`image` stay as the default for back-compat.
- **Floating tags** (`latest`) are never advertised as a selectable "version" and
never counted as an available update (already handled by
`available_update_for_app`).
- **Verify on a real node** (`.228` then `.198`) and pass `run-20x` before any
- **Verify on a real node** and pass the lifecycle gate before any
tag.
---