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Backfill a Moshpit name with a clearnet twin - #435
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A pit name cannot be reached from outside the pit and cannot hold a certificate, because no CA will issue for an ending ICANN does not delegate. That is the ceiling on the namespace: people take the clean name and hand out an ugly domain anyway, because the ugly one works. A twin is a real registered domain a name publishes as its way in -- `financial.advisors` backfilled by `financial-advisors.net`. The pit name stays the identity; the domain is only transport. The transform is deterministic in both directions, because a pit label may not contain a hyphen. So a twin has exactly one hyphen in its stem and splits back into exactly one name with no lookup, which is what lets a client holding only the domain name the pit name it belongs to. Four things the design holds to: - A twin never touches `prefer`. It is a domain that already answers in the legacy root, so folding it into precedence would have the pit outrank DNS for names DNS handed it -- indistinguishable from the hijack the clearnet-wins default exists to prevent. Covered by a test that compares a backfilled name against a bare one. - Ownership is proven before a twin is served, with one TXT record that does two jobs: publishing it proves control of the domain, and the same record is the reverse pointer that lets someone arriving at the domain discover the name. Two records would have allowed a domain to prove itself and never advertise the name, which is the state where nobody learns the clean name exists. - A lapsed domain does not fail closed, it fails into whoever catches the drop. So the link is dropped on our clock, a week ahead of the registrar's, and it is read at query time rather than swept -- a sweep that has not run yet is a window serving a link already known to be dead. - A domain whose stem reads as a different name is refused. Letting `red-eggs.net` back `blue.eggs` would make the cheap computation and the published proof disagree, and any client trusting the former gets sent somewhere its owner never pointed it. Releasing a name takes its twin with it, deleted explicitly like the pins and records above it, since foreign keys are not enforced here. It matters more than either: an inherited twin would point the next holder's visitors at a stranger's site under their own name. Not built yet: the checkout. TWIN_PRICE_USD is settled and quoted by the API, but nothing charges it, and buying the domain on a customer's behalf needs a registrar integration that is its own unit of work. 51 new tests; 626 pass in apps/pwa. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GWhPX5Uzd29whRg5WPAYM7
Migration 010 gave endings a one-year term with renewals, per PRD 0005 §5. That is withdrawn. The prices are unchanged; what changed is that they are not charged again. The reason is what the namespace is for. A name that lapses is a name somebody else can catch, and the whole pitch is that you can finally hold the clean name instead of the hyphenated one you settled for. An annual invoice with a drop date attached is the thing people are trying to get away from, and selling it back to them undoes the pitch. Names were already sold this way and only the comments said otherwise: `moshpit_names` has never had an expiry column and nothing has ever renewed a name. The PRD called it a yearly fee, the schema sold it outright, and the doc comment described the PRD. It now describes the code. Endings really did have the machinery, but it never shipped -- nothing in the app could open an ending checkout, so `quoteTld` and `quoteRenewal` were unreachable and only the webhook settler was wired up. No ending was ever charged a renewal and no row in the wild has an expiry this takes away, which is why migration 016 is a plain drop rather than a grandfathering policy: §21.8 asks for one before putting endings INTO a lifecycle, and taking them back out of one nobody was in needs no such thing. - `expires_at` and `term_started_at` are dropped from `moshpit_tlds`, columns and index. Gone rather than left NULL, because a nullable expiry is an annual term waiting to be switched back on. - `moshpit_tld_purchases` KEEPS `kind` and `years`. That is a financial record of what was sold at the time, and a ledger is not something to rewrite once the product changes. - A 'renew' row can no longer be created, but one may still settle late. It is honoured rather than refused -- the buyer keeps the ending, which now keeps itself. Refusing it would take money for nothing. - `isExpired()` stays and always answers no, so callers asking a fair question get a permanent answer instead of an import that fails. The pit page leads with it, since it is the one claim here worth making above the fold and the whole reason to prefer this over a registrar. Note for whoever writes the next migration: nothing may follow the last statement in a .sql file but whitespace. migrate.mjs splits on semicolons and hands each piece to libSQL, and a trailing comment-only piece comes back as `SQLITE_OK: not an error`, which is as unhelpful as it sounds. 591 pass in apps/pwa. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GWhPX5Uzd29whRg5WPAYM7
…fill # Conflicts: # apps/pwa/src/moshpit.mjs
| const tld = normalizeTld(tldInput); | ||
| const label = normalizeLabel(labelInput); | ||
| if (!tld || !label) return null; | ||
| return get(`SELECT ${TWIN_COLS} FROM moshpit_twins WHERE tld = ? AND label = ?`, [tld, label]); |
| // silently satisfy a new one. | ||
| const token = randomBytes(16).toString("hex"); | ||
| await run( | ||
| `INSERT INTO moshpit_twins (${TWIN_COLS}) VALUES (?,?,?,?,?,?,?,?,?) |
| } | ||
| export async function listTwinsForUser(userId) { | ||
| return all(`SELECT ${TWIN_COLS} FROM moshpit_twins WHERE user_id = ? ORDER BY created_at DESC`, [userId]); |
| */ | ||
| export async function expiringTwins({ within = 30 * 24 * 60 * 60 * 1000, now = Date.now(), limit = 500 } = {}) { | ||
| return all( | ||
| `SELECT ${TWIN_COLS} FROM moshpit_twins |
| const candidates = clearnetTwins(input); | ||
| if (!candidates.length) return []; | ||
| const rows = await all( | ||
| `SELECT domain FROM moshpit_twins WHERE status = 'verified' AND domain IN (${candidates.map(() => "?").join(",")})`, |
ThreatCrush Security Scan28 finding(s) in the 10 file(s) this pull request changes. MEDIUM: 28
36 pre-existing finding(s) elsewhere in the repository — **HIGH/CRITICAL**: 5 | **MEDIUM**: 25 | **LOW**: 6Not introduced by this pull request. The full set is in the Security tab.
…and 16 more. Full results in the Security tab. Snippets are redacted; ThreatCrush never prints matched credential material. |
…worktree-moshpit-backfill
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A pit name cannot be reached from outside the pit and cannot hold a certificate, because no CA will issue for an ending ICANN does not delegate. That is the ceiling on the namespace: people take the clean name and then hand out an ugly domain anyway, because the ugly one is the one that works.
A twin is a real registered domain a name publishes as its way in —
financial.advisorsbackfilled byfinancial-advisors.net. The pit name stays the identity; the domain is only transport.The transform is deterministic in both directions, because a pit label may not contain a hyphen. A twin therefore has exactly one hyphen in its stem and splits back into exactly one name with no lookup — which is what lets a client holding only the domain name the pit name it belongs to.
The four constraints
prefer. It is a domain that already answers in the legacy root, so folding it into precedence would have the pit outrank DNS for names DNS handed it — indistinguishable from the hijack the clearnet-wins default exists to prevent. Covered by a test comparing a backfilled name against a bare one, in both modes.red-eggs.netbackblue.eggswould make the cheap computation and the published proof disagree, and any client trusting the former is sent somewhere its owner never pointed it.Releasing a name now takes its twin with it, deleted explicitly like the pins and records above it since foreign keys are not enforced here. It matters more than either: an inherited twin would point the next holder's visitors at a stranger's site under their own name.
Shape
src/lib/moshpit-twin.mjssrc/migrations/015_moshpit_twins.sqlmoshpit_twins; PK(tld,label), partial unique index on verifieddomainsrc/moshpit.mjsclaimTwin/verifyTwin/setTwinExpiry/removeTwin/twinForName/availableTwins/expiringTwinssrc/routes/moshpit.mjs?twin=1on/api/moshpit/resolveNot in this PR
The checkout.
TWIN_PRICE_USDis settled at $12 and quoted by the API, but nothing charges it — buying the domain on a customer's behalf needs a registrar integration, which is its own unit of work. Half-wiring a payment rail would be worse than leaving the seam clean.Tests
51 new. 626/626 pass in
apps/pwa. Migration applies cleanly from scratch.🤖 Generated with Claude Code
https://claude.ai/code/session_01GWhPX5Uzd29whRg5WPAYM7