build(deps): adopt lnurlcash-kit 0.8 contracts

src/lnurlcash/mintContract.test.ts

@@ -1,5 +1,5 @@
-// Wire-contract coverage for the pinned lnurlcash-kit 0.5.0 /
-// lnurlcash-conformance 0.4.0 artifacts. Contracts the app's mint flows
+// Wire-contract coverage for the pinned lnurlcash-kit 0.8.0 /
+// lnurlcash-conformance 0.7.0 artifacts. Contracts the app's mint flows
 // rely on:
 // the kit must MAP the mint-address wire field `nodeCapacity` onto the
 // app-facing `nodeCapacityMsat` (0.1.0 spread it under its wire name, so
@@ -19,6 +19,7 @@ import {buildNoteUrl, fetchMintAddress, hashK1} from 'lnurlcash-kit'
 
 import {claimMintedNote, prepareMint} from './ops'
 import {mintAddressCacheInfo} from './trustedMints'
+import './mintContract.v08.cases'
 
 type Mint = Awaited<ReturnType<typeof createMockMint>>
 
@@ -136,8 +137,8 @@ describe('mint-address wire contract', () => {
 
 describe('withdraw-link forms', () => {
   it('accepts the lnurlw:// withdraw link the conformance mock mint advertises', async () => {
-    // conformance 0.4.0 defaults to plain https links; lnurlw:// (the form
-    // lnurl-mint emits under LUD-17) is an explicit option
+    // conformance 0.7.0 defaults to plain https links; lnurlw:// is an
+    // explicit LUD-17 transport form
     const m = await mint({testHooks: true, withdrawLinkForm: 'lnurlw'})
     const prepared = await prepareMint(`mint@127.0.0.1:${m.port}`, 21_000)
     expect(prepared.withdrawLink).toMatch(/^lnurlw:\/\//)

src/lnurlcash/mintContract.v08.cases.ts

@@ -0,0 +1,43 @@
+// The wallet's deterministic-secret and signed-output work depends on this
+// exact installed API surface, so package drift must fail before funds code runs.
+
+import {describe, expect, it} from 'vitest'
+import {
+  cashNodeFromHex,
+  cashNodeToHex,
+  cashSecretSource,
+  deriveCashRoot,
+  restoreFromSeed,
+  verifyNoteSignature,
+  verifyNoteSignatureAgainst,
+  verifyNoteSignatureHash,
+  verifyNoteSignatureHashAgainst,
+} from 'lnurlcash-kit'
+import type {LnurlcashOptions} from 'lnurlcash-kit'
+import conformancePackage from '../../node_modules/lnurlcash-conformance/package.json'
+import kitPackage from '../../node_modules/lnurlcash-kit/package.json'
+
+const retryOptions = {mutationRetries: 1} satisfies LnurlcashOptions
+const requiredExports = [
+  deriveCashRoot,
+  cashNodeToHex,
+  cashNodeFromHex,
+  cashSecretSource,
+  restoreFromSeed,
+  verifyNoteSignature,
+  verifyNoteSignatureAgainst,
+  verifyNoteSignatureHash,
+  verifyNoteSignatureHashAgainst,
+] as const
+
+describe('lnurlcash 0.8 dependency contract', () => {
+  it('exposes the BIP-32, recovery, signature, and retry contracts', () => {
+    expect(requiredExports.every((value) => typeof value === 'function')).toBe(true)
+    expect(retryOptions.mutationRetries).toBe(1)
+  })
+
+  it('runs against the exact installed package versions', () => {
+    expect(kitPackage.version).toBe('0.8.0')
+    expect(conformancePackage.version).toBe('0.7.0')
+  })
+})