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fix(bip21): read a Lightning address back from lightning= - #1079
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ChangesBIP21 utilities
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~10 minutes Change: Bug fix Suggested reviewers: Merge Risk: ⚪ Minimal · up to
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The title clearly and concisely describes the primary change: decoding a Lightning address from the BIP21 lightning= parameter. |
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This was referenced Oct 16, 2026
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Review — fix(bip21): Lightning address round-trip
The bug fix is correct and the logic is tight. A few things worth tracking before the receive redesign lands.
Dependency: @arkade-os/lnurl-client not yet in package.json
src/lib/bip21.ts now imports from @arkade-os/lnurl-client, which is not present in the wallet's current package.json / node_modules. The PR description calls this out ("Dependencies: #1073 for isValidLnUrl"), so this is known, but the branch will fail to build until #1073 is merged first. Confirm the merge order is enforced before this is rebased onto the base branch.
isValidLnUrl — two implementations in flight
@arkade-os/lnurl-client (lnurl-server/packages/client/src/encoding.ts:6) uses:
ADDRESS_PATTERN = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
The wallet's local src/lib/lnurl.ts (used by Form.tsx / send flow) uses the longer RFC-style emailRegex. The two patterns differ slightly: the package version requires a dot in the domain, the local one does too but also applies more structural rules. For BIP21 decode purposes the simpler pattern is fine — just worth noting the divergence so Form.tsx gets migrated to the package version in the same pass (or the duplicate is removed once #1073 fully lands).
encodeBitcoinLink: amount= silently dropped for lightning-only + sats
src/lib/bip21.ts (new function, around line 108):
sats && (address || ark) ? `amount=…` : ''If a caller passes { lightning: 'alice@example.com', sats: 1000 } with no address/ark, the sats are silently ignored and no amount= is emitted. The comment documents this is intentional (amount flows through the LNURL protocol), but since there's no production caller yet, it would be easy to add a if (sats && lightning && !address && !ark) guard or assertion so future callers get a loud failure rather than a silent mis-sized QR. Not blocking; flag for the receive redesign in #1086.
Missing test: encodeBitcoinLink with all params populated
src/test/lib/bip21.test.ts tests the lightning-only round-trip but has no case for { address, ark, lightning, sats } together. The amount= suppression path (above) is therefore untested. A one-liner would cover it:
it('omits amount= when only lightning is provided', () => {
const uri = encodeBitcoinLink({ lightning: 'alice@lnurl.test', sats: 1000 })
expect(uri).not.toContain('amount=')
})Decoder logic — looks correct
src/lib/bip21.ts:78–84 (new hunk):
- Bech32 carries no
@, so theincludes('@')guard correctly partitions LNURL bech32 strings from Lightning addresses. lnbob@lnurl.test(starts withln) now routes tolnUrlnotinvoice. ✓lnbad@(no domain dot) returns false fromisLnAddressand is silently dropped — consistent with existing conservative behaviour. ✓- URL-percent-encoded
%40is decoded byURLSearchParamsbefore the check, so encoded Lightning addresses in the wild also work. ✓
Cross-repo
encodeBitcoinLink is wallet-internal with no production caller yet; no SDK or other repo consumers are affected. Bip21Decoded interface is unchanged.
Overall: no protocol-critical paths touched; logic is sound. Two actionable items before #1086: confirm #1073 merge order, and add the amount=-suppression test.
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Thanks @Kukks — all three points are resolved to my satisfaction:
No further blockers from my side. |
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Follow-up pass — one commit since last review (d5bdae85), tests only. All 4 prior issues resolved; 0 remain open.
Prior-issue closure
| # | Finding | Status |
|---|---|---|
| 1 | Dependency: @arkade-os/lnurl-client not in package.json |
No longer applicable — confirmed in prior thread: PR is stacked on #1073 and cannot merge before it. No change needed here. |
| 2 | Two isValidLnUrl implementations in flight |
No longer applicable — tracked in #1080; local copy removed there. No change needed here. |
| 3 | encodeBitcoinLink: amount= silently dropped for lightning-only callers |
Fixed (d5bdae85) — both the suppression behaviour and the full-link inclusion are now asserted (see below). |
| 4 | Missing test for encodeBitcoinLink with all params |
Fixed (d5bdae85). |
Incremental diff review — src/test/lib/bip21.test.ts
d5bdae85 is purely additive: 14 lines of new test code, no production changes.
Import (src/test/lib/bip21.test.ts:3): encodeBitcoinLink is correctly added to the import alongside decodeBip21 and encodeBip21. ✓
New describe('encodeBitcoinLink') block:
'sizes the on-chain and Arkade parts with amount='— passes all four fields; asserts the produced URI containsamount=0.00001(1 000 sat in BTC). The expected string'bitcoin:bc1x?ark=ark1x&lightning=lnbc1x&amount=0.00001'matches the implementation's param ordering (ark,lightning,amount). ✓'leaves amount= out of a Lightning-only link …'— passes only{ lightning, sats }; asserts the URI is'bitcoin:?lightning=alice@lnurl.test'with noamount=. Matches the intentional suppression rule inbip21.ts:116. ✓
Both failure paths (wrong amount, unexpected amount= key) would now be caught by the test suite. No gaps.
No new findings.
Diff is clean. No cross-repo impact (test file only). Ready to merge once #1073 lands.
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Third pass — 1 commit since last review (34856eb), docs only. 0 prior issues remain open; 0 new findings.
Prior-issue closure
All four findings were already closed in the previous pass. No status changes this round.
Incremental diff — src/lib/bip21.ts (comment only)
34856eb rewrites a single inline comment at src/lib/bip21.ts:77:
Before:
// Not BIP321 (BOLT11 only), but encodeBitcoinLink emits Lightning addresses here. Bech32 has no '@', so 'lnbob@…' is no invoice.
After:// Not BIP321 (BOLT11 only), but encodeBitcoinLink emits addresses here; isValidLnUrl takes user@domain. No '@' in bech32.
The new wording names the hidden dependency: the Lightning-address branch silently breaks if isValidLnUrl ever stops accepting user@domain. That is exactly the risk I flagged (finding #2, "two implementations in flight") — good to see it pinned as a documented assumption rather than tacit knowledge. No logic changed.
No new findings. Ready to merge once #1073 lands.
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @src/lib/bip21.ts:
- Line 116: Encode the values of the `ark` and `lightning` query parameters in
the exported BIP21 encoder before joining the parameters, so embedded delimiters
cannot create extra query parameters; preserve values such as `alice@domain`
when decoded by `URLSearchParams`.
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Fourth pass — 1 commit since last review (34856eb), encoding fix only. 0 prior issues remain open; 0 new findings. Ready to merge.
Prior-issue closure
All four original findings closed in the second pass and confirmed closed in the third pass. No status changes.
After my third-pass sign-off, CodeRabbit raised one actionable finding (review 5552729284): encode the ark= and lightning= values in encodeBitcoinLink so embedded delimiters cannot inject extra query parameters. This commit addresses that directly.
Incremental diff — src/lib/bip21.ts + src/test/lib/bip21.test.ts
queryValue helper (src/lib/bip21.ts:102):
const queryValue = (value: string) => value.replace(/[%&=#+?\s]/g, encodeURIComponent)The set of escaped characters is correct:
&— prevents parameter splitting (the named injection vector)=— prevents key=value injection%— prevents double-encoding corruption on decode+—URLSearchParamsdecodes+as space; must be escaped#— defensive (browsers stop query parsing at#in full-URL mode)?— defensive (some parsers restart query at a second?)\s— whitespace is illegal in a URI without encoding
@ is intentionally left literal. This is necessary: decodeBip21 routes on lightning.includes('@') to identify Lightning addresses, and the existing test 'leaves amount= out of a Lightning-only link' asserts the @ survives unencoded. The round-trip (queryValue on encode, URLSearchParams.get() on decode) is verified in the new test at src/test/lib/bip21.test.ts:93.
New test (src/test/lib/bip21.test.ts:93–98): directly exercises the &amount=1 injection scenario and checks both that satoshis is the correct value and that URLSearchParams.get('lightning') returns the original unmodified string. Coverage is sufficient.
encodeBip21 (legacy, not touched): still raw-concatenates values. Pre-existing, out of scope here, and it does not accept server-supplied Lightning addresses, so the risk surface is narrower.
No issues remain open. The encoding fix resolves the only outstanding gap.
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decodeBip21 read any lightning= value that starts with "ln" as an invoice
and dropped anything else, so a Lightning address in lightning= was lost
("alice@...") or misread as an invoice ("lnbob@..."). A value with "@" is
now kept as an LNURL when it is a valid Lightning address, and never read
as an invoice: bech32 has no "@".
encodeBitcoinLink builds the unified bitcoin: link with ark=, lightning=
and an amount= that sizes only the on-chain and Arkade parts, and puts a
Lightning address in lightning= (not BIP321, which is BOLT11 only). It
lands here with the decoder so the two are tested as a round trip; the
receive redesign is its first caller.
Split out of #1068.
encodeBitcoinLink writes amount= only beside an on-chain or Arkade part; a Lightning-only link leaves it out because the invoice or LNURL carries the amount. Both cases are now asserted.
…main The Lightning-address branch depends on lnurl-client's isValidLnUrl accepting the user@domain form, so a future change there would drop these addresses; the comment now names that dependency.
encodeBitcoinLink wrote ark= and lightning= values raw, so a value holding '&amount=1' (a Lightning address comes from the LNURL server) added a parameter, and decoders reading the first amount= saw the injected one. Only what would end or split a query value is escaped now (% & = # + ? and whitespace); '@' stays literal, and URLSearchParams decodes the rest.
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Fifth pass — rebase-only synchronization since last review; 0 prior issues remain open; 0 new findings.
The PR was rebased onto an updated split/p01-deps base (which now carries @arkade-os/lnurl-client 0.6.0, sdk 0.5.0-rc.24, swap 0.1.0-rc.27). The four bip21 commits are identical in content to what I reviewed in the fourth pass — the only diff against c2954e9 is the new merge-base, not any change to src/lib/bip21.ts or src/test/lib/bip21.test.ts.
Prior-issue closure (all four, unchanged from last pass)
| # | Finding | Status |
|---|---|---|
| 1 | @arkade-os/lnurl-client not in package.json |
No longer applicable — package is now present in package.json via the updated base branch. |
| 2 | Two isValidLnUrl implementations |
No longer applicable — tracked in #1080. |
| 3 | amount= silently dropped for lightning-only callers |
Fixed (d3141a7 / previously c2954e9). |
| 4 | Missing test for encodeBitcoinLink with all params |
Fixed (d3141a7 / previously c2954e9). |
Incremental diff — no changes to bip21 files
src/lib/bip21.ts and src/test/lib/bip21.test.ts are byte-for-byte identical to the last reviewed HEAD. The PR diff (base → HEAD) is the same four-commit set: Lightning-address routing, test coverage, inline-comment clarification, queryValue encoding fix. Nothing new to evaluate.
No open issues. Ready to merge once #1073 (the split/p01-deps stack root) merges through.
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… page (#1084) * chore(deps): add @arkade-os/lnurl-client 0.6.0 and @web3icons/react 4.1.24 The published LNURL client the payer, receiver and activity work builds on, and the chain icons the token receive rails badge their logos with. Both pinned. Nothing imports either yet. Split out of #1000. * fix(bip21): read a Lightning address back from lightning= (#1079) * fix(bip21): read a Lightning address back from lightning= decodeBip21 read any lightning= value that starts with "ln" as an invoice and dropped anything else, so a Lightning address in lightning= was lost ("alice@...") or misread as an invoice ("lnbob@..."). A value with "@" is now kept as an LNURL when it is a valid Lightning address, and never read as an invoice: bech32 has no "@". encodeBitcoinLink builds the unified bitcoin: link with ark=, lightning= and an amount= that sizes only the on-chain and Arkade parts, and puts a Lightning address in lightning= (not BIP321, which is BOLT11 only). It lands here with the decoder so the two are tested as a round trip; the receive redesign is its first caller. Split out of #1068. * test(bip21): pin which link parts amount= sizes encodeBitcoinLink writes amount= only beside an on-chain or Arkade part; a Lightning-only link leaves it out because the invoice or LNURL carries the amount. Both cases are now asserted. * docs(bip21): say the decoder relies on isValidLnUrl accepting user@domain The Lightning-address branch depends on lnurl-client's isValidLnUrl accepting the user@domain form, so a future change there would drop these addresses; the comment now names that dependency. * fix(bip21): escape query delimiters inside link values encodeBitcoinLink wrote ark= and lightning= values raw, so a value holding '&amount=1' (a Lightning address comes from the LNURL server) added a parameter, and decoders reading the first amount= saw the injected one. Only what would end or split a query value is escaped now (% & = # + ? and whitespace); '@' stays literal, and URLSearchParams decodes the rest. * chore(deps): adopt published LNURL client 0.7.0 * test(bip21): check the decoded Lightning address in the delimiter case The case already checked that a query delimiter inside a Lightning address does not add a parameter; it now also checks that decodeBip21 hands the address back intact. Suggested by CodeRabbit on #1073. * chore(deps): adopt published LNURL client 0.8.0 0.8.0 ships the glue the LNURL layers above this one still write by hand: the localStorage watermark and sent-payment stores, sync that stops on a signal, receiver discovery that refreshes destinations and orders writes per identity and server, sessionLnurl() and addresses() on the facade, and the token-quote, payable-range, first-quote and chain-name helpers. Each layer adopts its part on top of this bump. The release also removes the package's HD receive entry point, which the wallet never imported, and with it the @scure/bip32 dependency. * feat(activity): show who an LNURL payment came from or went to lnurlPaymentRepository keeps the payments the lnurl-client sync store writes: an IndexedDB store, with per-address watermarks in localStorage, behind the package's PaymentSyncStore interface. Its activity resolver is registered on the wallet at startup, and a wallet reset clears the store, since it holds preimages. activitiesToTxs tags a row from either lnurl-client resolver with the address and the rail. A receive names the wallet's own lightning address it arrived at, never the payer: "Received at alice@...", or "Received via arkade" for a nameless one. A send names who it paid. The transaction details show Received at and Rail for a receive (en/es). A send that both a swap group and the sent group claim shows once, as the swap. Split out of #1000. * fix(activity): localize LNURL activity labels, and close the store on errors lnurlLabel built 'Received at …', 'Sent to …' and '… via …' in English, so a Spanish wallet's activity list mixed languages. It now takes t like lnSwapLabel, with transaction.lnurl{SentTo,ReceivedAt,SentVia,ReceivedVia} in en and es. The IndexedDB payment store closed its connection only on success; a failed read, write or clear left it open. Each error path now closes it before rejecting. * refactor(activity): skip a sent: group only when it has members The swap-dedup check skipped a sent: activity when every member was also claimed by another group, which [].every made true for an empty group. An empty group yields no rows either way, so this changes no output; the length check states the intent. The txid is also read once per member. * fix(activity): read a malformed watermark map as empty getStorageItem falls back only when JSON.parse throws, so a stored value that parses to something other than a plain object (null, an array, a number) reached the watermark code, which threw on read or write, or lost the write, until storage was cleared. Such a value now reads as no watermarks. * fix(activity): clear LNURL payments before a reset turns destructive The reset cleared the payment store after clearStorage() and swallowed the failure, so a clear that failed left the previous wallet's LNURL records, preimages included, in IndexedDB while the reset reported success. The next wallet's activity resolver then read them. The step now runs before anything destructive and rejects, leaving the wallet intact for a retry. syncLnurlActivity was not the only writer either: the claim-triggered sync() calls in receive/lnurlRail.ts are fire-and-forget through the shared sync store, so waiting on any per-caller tracker could miss them and let a write land after the clear. The repository therefore owns one write gate and one in-flight tracker, and clearLnurlPaymentsForReset closes the gate, waits out the accepted writes, then clears. The gate does not reopen, which a reset need not survive: it reloads the app. The watermark write honours it too, so a late sync cannot re-seed localStorage after clearStorage(). The swap-record clear stays non-fatal, as stale swap rows beat a wallet half-cleared. Reset.tsx now shows settings.resetFailed (en/es) instead of only logging, with a fixed message so a store error cannot surface payment data. * fix(activity): reopen the LNURL store when a reset's clear fails A failed clear abandons the reset with the wallet intact, but the store stayed closed, so every later LNURL write was dropped silently until a reload. The gate now reopens before the error is rethrown. * fix(activity): settle the LNURL store's IndexedDB calls on abort A transaction that fails at commit — a quota overrun, say — finds every request already done, so no request error fires and only `abort` reaches the transaction. `write` and `clear` listened for `complete` and `error` only, so the promise never settled and the connection stayed open. That stranded a wallet reset: `upsert` left the write in `inFlight` forever, `clearLnurlPaymentsForReset` awaited `writesSettled()`, and `resetWallet` never returned, so the Reset screen never reported the failure. A synchronous throw out of `transaction()` or `put()` rejected but leaked the connection in the same way. All three operations now run through one helper that rejects on `error`, on `abort` and on a synchronous throw, and closes the connection on every path. * fix(settings): say a failed reset may have cleared some data The LNURL step is the only fatal one, and it runs before anything destructive. Past it, `clearStorage()`, `svcWallet.clear()` and the repository clears can each throw with data already gone, so "Nothing was cleared" was a promise the screen could not keep. Copy only — no rollback. * fix(activity): reject an IndexedDB failure with its own error A request error bubbles to tx.onerror before IndexedDB sets tx.error, so rejecting there gave a bare AbortError and lost the cause (a quota overrun, say). The abort that always follows an uncancelled error carries it, so the store now settles on abort alone. The test fake now fires error before setting tx.error, as IndexedDB does, and the rejection assertions match the error's name: rejects.toThrow(regex) also passes for a null rejection. * fix(activity): abort the IndexedDB transaction when queuing a write throws A put that throws mid-batch (an invalid key, say) rejected the write but left the transaction live, and close() waits for it rather than cancelling it, so the puts queued before the throw still committed. The store now aborts that transaction and rejects with the original error once the abort lands. A result that cannot be read at completion now rejects instead of throwing out of oncomplete and leaving the promise pending. The abort-only cases now run for read as well as write and clear. * feat(send): pay LNURL targets through the router, and track the receiver's confirmation (#1080) * feat(send): pay LNURL targets through the router, and track the receiver's confirmation The payer path moves onto @arkade-os/lnurl-client. Send resolves a lightning address or LNURL with the client, and the router gains the package's two LNURL rails: Arkade, ranked first, and Lightning, which needs the swap client. quoteLnurl tries them in order, a rail that cannot quote yields to the next, and the client refuses an invoice for any other amount before a solver is asked. lib/lnurl.ts keeps only fetchArkAddress (the ?method=ark call), which the package has no equivalent for. The form drops the previous target when the recipient changes, holds Continue until the LNURL conditions load, drops a quote that lands after the amount or recipient changed, and lets a BIP21 pay its address or invoice when its LNURL fails. A tab that is not driving swaps can still pay an LNURL over Arkade (sendRouter swapsOptional). The success screen calls an LNURL send over Lightning on its way and one inside Arkade sent. Each LNURL send is recorded (lnurlSends) and labelled in activity by the sent-payment resolver. When the rail hands out a verify URL, the wallet polls it in one batch per endpoint, resumes after a reload, and the transaction screen shows whether the receiver confirmed the payment settled (en/es). A reset forgets the pending checks. Split out of #1000. * fix(send): keep a resumed receiver confirmation to its original window Every reload resumed pending confirmations with a fresh three-minute deadline, so a send whose receiver's server stayed down never reached 'not confirmed' for a user who reopened the app. A confirmation now takes the time its wait began, and resuming passes the send's createdAt: an already-lapsed window fails on the first tick. The ?method=ark branch's comment also says it wins over the router's rails and pays a plain Arkade send, with no receiver confirmation. * fix(send): cut off a batch verify request that is held open The confirmation loop skips a tick while the previous one runs, and a batchVerify request has no timeout of its own. An endpoint holding the request open therefore stopped every later tick, the deadline sweep included, so a send waiting on that receiver never reached 'not confirmed'. Each batch request is now aborted after 10 s, or at the group's earliest deadline if sooner. * refactor: adopt LNURL client storage and send lifecycle helpers * fix(send): honor supported LNURL option bounds * fix(lnurl): reject non-array stored send history * fix: skip onchain fee lookup for optional LNURL routers * test(lnurl): drop tests of lnurl-client internals 0.7.0 moved the payment repository, its reset gate, the IndexedDB store, pending confirmations and the send tracker into @arkade-os/lnurl-client. The package's own suite covers them (packages/client/test: repository, browser, confirmations, sends, activity); lnurlConfirmations.test.ts was a verbatim copy of ten of its cases. The wallet kept these tests running through thin re-exports, which is the only thing those exports were for. Keep what the wallet owns: the localStorage watermark adapter, including malformed maps; reset purging its key; the prepare-time reread that lets history see a sync written after construction; the stored-send parser; same-tab notification only after a successful write; and one wiring test each for recording a send and resolving it. Drop the test-only exports with them: createLnurlPaymentSyncStore (an identity function), the store and type re-exports, and lnurlConfirmations' re-exports of the package factory. * fix(send): show LNURL send refusals in the wallet's language Two refusals this PR added on the Details screen went out in English whatever the language: an account that may not send offchain, and a quote made for another target or amount. The first already had a key; the second gets one. The neighbouring guard for a quote made for another invoice gets the same treatment, since it is the same message family. Raised by Arkana on #1078. * refactor(lnurl): take the send and history glue from lnurl-client 0.8.0 The package now ships what this layer wrote by hand. The watermark and sent-payment stores come from its localStorage adapters, under the same keys and in the same formats, so existing wallets keep their cursors and recorded sends. Send listeners are the tracker's own subscribe, the receive resolver reads the repository through the package's async getter, history rows read resolver metadata through lnurlActivity, the send form takes its bounds from lnurlPayableRanges, and the router quotes through firstQuote and isLnurlRail. quoteLnurl keeps its own refusal for an address with no LNURL route, so that message does not change. The watermark tests that covered the adapter's parsing move with it; the wallet keeps the one showing its existing key is read and reset purges it. resumeLnurlConfirmations() gains a note on why every unlock may call it: the tracker keys each watch by txid, and the confirmation queue ignores a key it already holds. * test(lnurl): drop tests the lnurl-client suite already runs Each of these now exercises only package code. lnurl.test.ts called isValidLnUrl, toPayRequestUrl and the client's resolve and requestInvoice directly, with no wallet code in the path. The package's encoding, resolve and request-invoice tests cover every case it had, including the undecodable and wrong-amount invoices. The stored-send parser and same-tab notification were kept at 0.7.0 because the wallet owned them; 0.8.0 moved both into the package, whose browser and sends tests cover them ("reads %s as no sends, without rewriting it", "tells listeners after a write lands, never after one that failed, until they unsubscribe"). The three hand-built activity rows tested lnurlIntentOf's metadata parsing, which is now lnurlActivity and covered by the package's activity test. The wallet's mapping onto the row stays covered by the tests that drive the real resolvers end to end. The wiring tests stay: the existing storage key, the onError report, one recorded send, and the resolver reading the live store. * test: drop the LNURL fixtures only the removed lnurl test read * feat(receive): receive at a lightning address over the LNURL rail With VITE_LNURL_SERVER set (and VITE_LNURL_DOMAIN where the LUD-16 domain differs from the API host), Receive composes a second rail beside the solver swap rail. useLnurlRail resolves the identity's own receiver at that server through the lnurl-client arkadeLnurl facade. When the server allows nameless receivers it registers the wallet LNURL, which encodes the wallet id and needs no name, and shows it in the QR as soon as it is derived locally. Receive offers naming only when the user can choose a name ("Add a name", "Pick one for me"). Lightning is the invoice the receiver's own LNURL issues for the amount, as any payer would get it, or without one the receiver's address (its LNURL while nameless). With config.receiveViaLnurl the Arkade and Bitcoin legs resolve through the LNURL too; a destination the wallet can tell is not its own (an Arkade address on another operator, an on-chain address it did not register) is refused, and each rail that falls back to the wallet's own address says why. The flag defaults off; its toggle ships with the Settings page. The copy sheet gains the lightning address. The swap rail stays off while an lnurl-server is configured, and takes over when that server fails. Unset, Receive is the swap rail alone. Deploy: the image reads VITE_LNURL_SERVER and VITE_LNURL_DOMAIN through fromRuntimeEnv, like VITE_ARK_SERVER. The old VITE_LNURL_SERVER_URL is gone; nothing in src/ read it, so a deploy still setting only that name builds a wallet with the lnurl rail off, without an error. Split out of #1000. * fix(receive): wait for the wallet's own addresses before resolving the LNURL legs With receiveViaLnurl on, useLnurlRails asked for the Arkade and on-chain legs before the wallet's own addresses had loaded, then refused the server's answers as 'not this wallet's' or 'another operator' until the addresses arrived. A leg is now requested only once its own address is known; Lightning resolves straight away and the effect already re-runs when the addresses load. The rail panel and name form were English-only (unavailable notice, Add a name, Choose a name, Claim code, Claim name, Pick one for me); they now read receive.* keys in en and es. The trust comment on the Arkade check now says plainly that only the operator is verified. * fix(receive): localize claim errors, keep the facade ref to commits, and drop a stale swap invoice Claim errors (taken, not allowed, bad claim code, unavailable option, rate limited, and the fallback) were English-only; lnurlClaimErrorMessage now takes t and reads receive.* keys in en and es. The ref run() checks against was assigned during render, so an abandoned concurrent render could point it at an uncommitted facade. It is set in a layout effect now. A swap invoice left in the flow by an earlier visit was still preferred over the LNURL's invoice once the LNURL rail served Lightning. The QR now reads recvInfo.invoice only while the swap rail is on. * test(receive): pin that a late boarding address settles back on the same receiver A boarding address arriving after a session registered rebuilds the facade; the rail returns to ready with the same LNURL and no error. The claim-error key map is also typed Partial so a missing code reads as undefined. * fix(receive): drop trailing slashes from the configured LNURL server configuredLnurlServer kept a trailing slash from VITE_LNURL_SERVER, so https://lnurl.example/ derived the wallet LNURL as https://lnurl.example//lnurl/<id>, and handed the same base to the facade and the client. The base now loses trailing slashes once, where every caller reads it. * feat(lnurl): attribute receives that landed while the wallet was closed (#1082) * feat(lnurl): attribute receives that landed while the wallet was closed A receive that completed while the wallet was closed is one it can never witness itself, so once the wallet is usable syncLnurlActivity pulls the payments of the identity's receiver at the configured lnurl-server into the lnurl payment store. It is not awaited and resolves to zero with no server or no owned address, so an unreachable server costs the activity view its labels, never the wallet its startup. A VTXO or UTXO update pulls again about 3s and 20s later, since the server records a payment as it settles and can trail the coin, and the history reloads whenever a pull wrote something. Locking or resetting cancels pending pulls. Writes stop once the init session aborts, and a reset waits out the writes already in flight before it clears the store, so a late sync cannot write the previous wallet's records back. Split out of #1000. * fix(lnurl): skip the post-sync reload once the init session is aborted A sync that wrote records before a lock or reset could still reload the wallet afterwards. reloadAfterSync now checks the init session's signal, so neither the startup sync nor a payment-triggered resync reloads a wallet that was locked or reset in the meantime. * refactor(activity): drop the per-caller write tracker for the store's own inFlightWrites only saw the writes syncLnurlActivity wrapped, so the claim-triggered sync() calls in receive/lnurlRail.ts — fire-and-forget on the shared sync store — were never in it, and a reset that waited on lnurlSyncWritesSettled could still clear ahead of them. The repository now gates and tracks every write itself, so this tracker only duplicated it for the one caller it could see; clearLnurlPaymentsForReset replaces the export. The signal check stays: it stops this module's own sync on a lock, where nothing closes the store. Its test for waiting out an in-flight write moves to the repository spec, which is where the tracker now lives. * fix(lnurl): forward readWatermark through the abort-aware store wrapper The wrapper spread the store to keep readWatermark, which copies only own properties: a PaymentSyncStore written as a class lost the method, and the receiver's sync failed before pulling anything. All three methods are now forwarded explicitly; the interface has no others. * refactor: adopt client receive bootstrap and rail helpers * fix: complete LNURL receive review follow-up * fix(receive): retain Lightning when LNURL cannot be claimed * docs(receive): say why a named receiver's panel shows no LNURL error bootstrapReceiver returns a named receiver before it asks for capabilities, so capabilitiesError cannot accompany one, and the panel offers naming only while nameless. Answers the open Arkana item on #1081. * refactor(receive): take the session LNURL, address list and sync signal from lnurl-client 0.8.0 The facade now names its own session LNURL and lists every address on its domain, so the hook no longer derives the wallet id from the token itself or builds a second client to filter the list. Claim error keys are typed against the server's error codes. The activity sync hands its signal to receiver.sync(), which checks it before each write, instead of wrapping the store in a gate: a lock still stops writes, and the store passes through unwrapped. 0.8.0 also runs a facade's claim, discovery and upgrade one at a time per identity and server. Discovery under a new facade therefore waits for a claim still in flight and then finds it, so the hook test that expected such a claim to be dropped now expects the receiver to be held. * test(receive): drop resolveLnurlRails tests the package already runs The "consumer boundaries" block came over when the wallet's own rail resolution moved into lnurl-client, and since then it has called the package's resolveLnurlRails through a bare re-export, with no wallet code in the path. Every case has an equivalent in the package's receive-rails tests: picking the bitcoin option past token and disabled ones, refusing a Lightning rail the options omit, checking option bounds before the callback, and refusing a callback that answers for another option. * feat(receive): token rails from the LNURL, behind an opt-in setting With receiveViaLnurl and receiveViaTokens both on and an amount set, Receive offers the receiver's LNURL token options (stablecoins a third party swaps to Arkade BTC) beside its bitcoin rails. useLnurlTokenRails lists the options that are up, verifiable, name the provider holding the deposit and accept the amount, and quotes only the one picked, since a quote is a real provider order: re-requested when the amount changes and once it expires. A USD stablecoin quote outside 0.8x to 1.25x of what the sats are worth at the wallet's own price is treated as a misquote. Chain labels follow the BTCPay plugin's names. A token is picked from a sheet with its logo and a chain badge (@web3icons), which also replaces the Arkade mark in the QR centre. The note under the QR says what to send and how long the quote holds; on a phone it links the payment URI to the installed wallet. That URI is used only when it parses as a transfer of the quoted amount, token and chain to the quoted deposit (EIP-681 or Solana Pay), else the bare deposit. Copy takes the deposit address, never the URI, and the copy sheet now offers only the shown method's values; one value is copied outright. The QR stage is height-capped so it sits above the buttons on a short phone. lnurl-client states a rail's bounds in millisats; extractError now says "Amount must be between 10,000 and 100,000,000 sats" (errors.amountBetween). The receiveViaTokens flag defaults off; its toggle ships with the Settings page. Reviewed as #1051 before it merged into #1000. Split out of #1000. * fix(receive): offer only token options that state verifiable, and keep Copy off without a quote A token option with no verifiable flag was offered; lnurl-client calls an absent flag unknown, and lnurl-server always states it (true) for its FixedFloat options, so only an explicit verifiable: true is offered now. After a failed token quote the footer Copy stayed enabled but copied nothing, since there is no deposit to copy. It is disabled until the picked token has a quote. * fix(receive): refuse payment URIs with repeated bound fields, and keep Share off without a quote paysQuote read only the first value of each field it binds, so a URI that named a second, conflicting recipient or amount passed while the QR kept the whole URI, and a wallet reading the last value would pay elsewhere. address, uint256, spl-token and amount must now appear exactly once; any repeat falls back to the bare deposit address. Share stayed enabled when the picked token had no quote. It is disabled then, as Copy already is; the token-error test enables browser sharing so the assertion can fail. * test(receive): pin that Solana Pay URIs with a repeated field fall back paysQuote refuses a URI naming a bound field twice, but only the EIP-681 fields were tested. A Solana Pay quote now has a control that keeps its URI, plus a repeated spl-token and a repeated amount, each of which must show the bare deposit address instead. * fix(receive): expire a stablecoin quote by the clock, and regenerate it on request (#1085) * fix(receive): expire a stablecoin quote by the clock, and regenerate it on request Each token quote is a real provider order plus a solver swap, so useLnurlTokenRails no longer places a new one on its own at expiresAt. It marks the quote expired, stops exposing it, and offers regenerate(); a new quote is asked for only when the user taps. A sleeping phone holds setTimeout back, so the quote also counts as expired once Date.now() passes expiresAt, and a visibilitychange re-checks it on wake. offers(sats, id) says whether an option would still be offered for an amount, so a caller can drop a token pick before that amount lands. The hook's tests hold the regenerate request and check that no quote, old or new, is exposed while it is in flight. The Receive screen's expired notice and its "Get a new quote" button come with the receive redesign, which builds on this. Split out of #1068. * fix(receive): keep regenerate stable, and test which options an amount offers regenerate was a new function every render, so a caller using it in an effect or memo would re-run needlessly; it is memoised now. offers() had no direct test: it is false before the payRequest arrives, for an unknown or missing id, and for an amount out of the option's bounds or zero. The cleanup's comment now says why the expiry mark is cleared as well. * refactor(receive): use shared token quote normalization * fix(lnurl): keep shared rail bounds readable in sats * fix(receive): preserve keypad drafts across background updates * fix: allow retrying token receive quotes * refactor(receive): take token bounds, quotes and chain names from lnurl-client 0.8.0 tokenOptionAccepts checks an amount against an option's own bounds, and requestTokenQuote asks for the quote, refuses an answer that is not a token destination or that expires too soon, and normalizes the rest; the rails use both instead of repeating them. chainName replaces chainLabels.ts, which mirrored the same BTCPay chain directory. Its test goes too: lnurl-server now checks every chain it offers has a name (test/ff-catalogue.test.ts), and the package tests the fallback to the raw chain id. The wallet keeps its own refusals on top: a deposit that needs a memo the QR cannot carry, base units that are not a canonical positive integer, and a quote far from what the amount is worth. * feat(settings): a Lightning address page Settings > Advanced gains Lightning address, listed only when an lnurl-server is configured. It shows every address the wallet owns on the server, the wallet LNURL included as an entry of its own, and the server, and what a payer can send on each bitcoin rail in sats, as the receiver's own payRequest advertises it (lnurlRailLimits: token options are not rails of their own). A nameless receiver can be named here, with a claim code for a reserved name too; Receive offers only a chosen name or "Pick one for me". The Receive toggles live here, both off by default: "Route every receive through it" sets receiveViaLnurl, and, when the LNURL offers tokens, "Accept tokens" sets receiveViaTokens, after a one-time explainer that a third party holds the deposit. en/es. Split out of #1000. * fix(settings): show why the rail limits are missing, and drop a guessed server row A failed payRequest on the Lightning address page was only logged, so 'What payers can send' silently stayed empty. The error now shows under that heading. The server row is built only when a server is configured, rather than rendering server?.domain, and the receiveViaLnurl toggle handler is no longer an async function with nothing to await. * test(settings): cover the Lightning address page when the rail fails With no owned address and a failing capabilities call, the rail fails; the page now has a test that it shows the error and offers no naming. * refactor(settings): keep Arkade and Bitcoin routing out of Lightning address * refactor(settings): keep Arkade and Bitcoin routing out of Lightning address * fix(settings): hide the Receive section when no token option is offered The section's only control is the token switch, so a server advertising no token option left an orphaned "Receive" heading. Guard the whole section the way the limits section above it is guarded. Raised by Arkana on #1084. * fix(settings): say why the Lightning address page cannot load Two states left the page without a reason, both raised by CodeRabbit on #1084: - When the wallet's own addresses failed to load, no facade was ever built, so the rail stayed off and the page showed "Loading..." for good. It now shows the error. - A nameless receiver whose domain lookup failed was ready with an error but no naming choices, and the error only rendered inside the hidden naming section. It now renders under the address when there is nothing to name. * refactor(receive): stop re-exporting resolveLnurlRails, which nothing imports from here * feat(receive): offer to pay with stablecoins, shown as overlapping Tether and USDC logos The token rails the server offers are USD stablecoins, so the picker names them as such and shows the two most payers will recognise, Tether in front. The logos are aria-hidden: the button's accessible name stays its label. * fix(send): keep an LNURL's own query when asking for its Ark address fetchArkAddress appended '?method=ark' to the decoded payRequest URL, so an LNURL that already carries a query string (?id=abc) produced ?id=abc?method=ark and the server never saw the method. Set it through URLSearchParams instead. Raised by CodeRabbit. * fix(wallet): keep the wallet live when a reset's LNURL purge fails resetWallet stopped the status ping, the pending reload and the service-worker message listener before purging LNURL records. A rejected purge leaves the wallet intact, by design, but it then stopped updating balance and history until a reload. Only the LNURL writers need stopping before the purge: aborting the init session stops the history sync, and the resync is cancelled. The listeners now stop after the purge succeeds. Raised by CodeRabbit. * fix(receive): explain a lapsed quote where its code was, and offer a way back An expired or failed stablecoin quote left a blank square where the code had been, with a Try again button above the method tabs. That square now says the quote expired and not to send to the old address, or why there is no quote, with a Get a new quote button. A chosen stablecoin also gets a button beside it that goes back to the code shown before it; the tabs did this too, but with none of them lit after picking a stablecoin, nothing said so. * test(receive): pin the failed-rail message and an expired quote's disabled actions The unreachable-server test now also asserts the 'Lightning address unavailable' line that the failed rail renders, and the expired-quote test asserts that Copy and Share stay disabled. Both raised by Arkana. * ui fix * lint * fix(send): take an LNURL rail's fee out of the amount when sending Max Max set the amount to the whole balance and asked the LNURL rail to deliver all of it, so any rail with a fee (the Lightning swap) quoted a total above the balance and the sign screen refused with "Insufficient funds, you just have N sats". Max now re-quotes for the balance less the quoted fee, at most twice, and shows the amount that will arrive. A typed amount is left as typed. * fix(receive): stop requesting an LNURL invoice once the payment arrives The payment listener writes the paid amount into recvInfo.satoshis before it navigates to the success screen, and useLnurlRails asks for a new invoice whenever that amount changes. So every receive requested one more invoice, for the amount just received. On mainnet that left an unpaid hold invoice at the solver each time: a 1381-sat quote at 05:31:25, right after a 1381-sat payout. The LNURL and token rails now request nothing once recvInfo.received is set. A new receive starts from emptyRecvInfo, which clears the flag. * fix(send): route an LNURL send when this tab's swap client failed to start On the tab that holds the swap client, `sendRouter({ swapsOptional: true })` awaited `driving()`, which rejects when the client's repository is unreadable. The LNURL send then failed before quoting, even through the Arkade rail, which needs no swap client. The optional path now builds its router without the client in that case, as the tab that is not driving already does. The non-optional router still refuses. Raised by CodeRabbit on #1084. * feat(settings): claim a name from a sheet, with the claim code behind a link Settings → Lightning address showed the whole naming form inline: a name field, a claim code field and both buttons. Most users have no claim code, so the page now offers Claim name and Pick one for me, and Claim name opens a sheet. In the sheet the claim code stays behind a subtle "I have a claim code" link, which reveals and focuses the field. The sheet closes once the name lands. Receive is unchanged: it never offers claim codes, so its inline form shows no link. * feat(settings): let the claim code link show and hide its field The "I have a claim code" link now stays in place and toggles the claim code field, also on servers where a chosen name needs a code. A code typed and then hidden is not sent. The link reports its state through aria-expanded. Adds a test that a refused claim keeps the sheet open with its reason (Arkana). * feat(lnurl): ask for the claim code first where a name needs one; copy the address from Receive Claim sheet: on a server that offers claim codes but no `self` mode, a chosen name cannot be claimed without a code. The sheet now asks for the code first, above the name field, instead of hiding it behind the "I have a claim code" link. Where the code is optional, the link still shows and hides the field. Receive: the lightning address under the QR now shows only on the Unified and Lightning views, which are the ones it pays, and tapping it copies it, the way other copyable text in the wallet does. * feat(lnurl): claim with a code alone, and with a code when already named On @arkade-os/lnurl-client 0.9.0 and lnurl-server 0.6.0, a claim code can carry its own name: - On a server where a chosen name needs a code, the name field is now optional. A reserved name's code claims that name on its own. A code for any free name answers username_required, which the sheet explains: add a name and claim again. - A wallet that already has a lightning address can still redeem a code. Its addresses list offers "I have a claim code", and the claim registers a further address, since an upgrade only renames a nameless one. The sheet closes once the address changes and stays open with the reason when a claim is refused. The client bump is otherwise a drop-in: 0.9.0 adds registered methods and receive amounts, which the wallet does not use, and a facade given no methods never touches them. * feat(lnurl): choose the primary lightning address, and bind a claim that failed half way On @arkade-os/lnurl-client 0.9.1, whose owned({ handle }) returns a given active address: - Settings → Lightning address lists a "Primary address" picker when the wallet owns more than one active address. The choice is saved in the config as lnurlPrimary, and both Settings and Receive pass it to owned({ handle }), so Receive uses it straight away and after a restart. A new choice switches the receiver in place, without reloading the rail. - An address claimed with a code by an already named wallet becomes the primary, so Receive no longer falls back to the older one (CodeRabbit). - A claim can register its address and then fail to bind the identity, leaving the address with no Arkade destination. After a failed claim, the rail now runs a best-effort owned({ refresh: true }), which binds whatever was left unbound (CodeRabbit). - The username_required test goes on to add a name and claim (Arkana). The picker hides while the claim sheet is open, because Select reads arrow keys page-wide and the claim code field would feed it. * fix(lnurl): never offer a random name to a wallet that already holds one The rail can hold a nameless receiver while the identity owns a named address too: owned() picks the session address first, and the user can pick the nameless LNURL as primary. Settings and Receive then treated the wallet as unnamed and offered "Pick one for me". The rail now reports ownsName: the receiver's own name, or, when the receiver is nameless, any active named address in the identity's list, which it reads once. Both screens drop the random choice while it is true. Choosing a name, or claiming one with a code, stays available. * fix(i18n): spell out the claim error strings for the unused-key check Master's #1107 fails when a translation key is not referenced by a literal t('...') call. The claim error messages were reached through a code-to-key map and a dynamic t(key), so six used keys read as unused. They are now literal t() calls in a code-to-message map; the messages are unchanged. * fix(lnurl): adopt the address a failed claim's refresh binds After a claim that registered its address but failed to bind it, the background owned({ refresh: true }) bound the address, but its result was dropped. A first-time claimer stayed on the error until they left the screen. A wallet that had no address when it claimed now adopts the one the refresh finds and clears the error. A wallet that already had one keeps it (Arkana). --------- Co-authored-by: João Bordalo <bordalix@users.noreply.github.com>
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The bug.
decodeBip21read anylightning=value starting with "ln" as an invoice and droppedanything else. A Lightning address was therefore lost ("alice@…") or misread as an invoice ("lnbob@…").
The fix. A value with "@" is kept as an LNURL when it is a valid Lightning address, and is never
read as an invoice: bech32 has no "@".
The encoder.
encodeBitcoinLinkbuilds the unifiedbitcoin:link:ark=,lightning=, and anamount=that sizes only the on-chain and Arkade parts. It puts a Lightning address inlightning=,which is not BIP321 (BOLT11 only). Values escape what would end or split a query value
(
% & = # + ?and whitespace);@stays literal.In: decoder fix, encoder and its escaping, tests.
Out: the redesign that emits these links.
Test plan
bip21.test.ts: the round trip foralice@andlnbob@, "never an invoice with @", which partsamount=sizes, and an injected&amount=staying inside its value.pnpm test:unit: 100 files / 975 tests (CI at c2954e9).Dependencies: #1073, for
isValidLnUrl. The receive redesign merges this in.Split out of #1068.
Split series — supersedes #1000 and #1068; each PR is one feature. Base
masterunless noted:Summary by CodeRabbit