feat(arcium): beacon-privacy integration (operator flow)#87
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epicexcelsior wants to merge 8 commits into
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feat(arcium): beacon-privacy integration (operator flow)#87epicexcelsior wants to merge 8 commits into
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Beacon-operator privacy flow for the anonbeta1 Arcium program (devnet): - vendor/arciumCrypto.ts: RescueCipher + Arcium PDA derivations, extracted from @arcium-hq/client@0.9.3 with node/anchor deps stripped and @noble v2 paths; validated byte-for-byte against the upstream SDK. - beaconInstructions.ts: raw @solana/web3.js builders for register_beacon_private, init_relay_stats, record_relay + manual account decoders (no anchor at runtime). - constants.ts: program id, cluster offset 456, comp-def offsets, decode offsets. - __tests__: deterministic crypto/encoding checks + a devnet integration test that drives the real modules through the full register -> bind -> relay -> decrypt round-trip. Both green against devnet. Operator signs with its own wallet; no native-module or co-sign dependency.
- beaconClient.ts: registerBeacon / waitForBindingVerified / initRelayStats / recordRelay / waitForRelayRecorded / getBeaconStatus / getDecryptedRelayCount, driven through IWalletAdapter + IRpcAdapter. Async MPC steps are polled via getAccountInfo against the decoded account flags. - beaconKeys.ts: operator x25519 keypair generated + persisted in the OS keystore (SecureKeys.ARCIUM_X25519_SECRET); secret never leaves the device. - reuse: export signAndSubmitTransaction from sendTransaction (local + MWA signing); route x25519/randomBytes through the vendored module to avoid @noble v2 path churn. - storage: register the new secure key explicitly per the key-registry convention.
app/dev/arcium-beacon.tsx — reachable via anonmesh://dev/arcium-beacon. Shows live beacon status (registered / binding verified / relay stats / settlements / decrypted relay count) and drives the 3-step operator flow with per-phase busy state + error surfacing. Uses the wallet + network-mode adapters; no prod surface.
Adds runCryptoSelfTest() + a 'Run crypto self-test' button on the dev screen (reachable without a wallet). Runs the golden-vector encrypt/decrypt + instruction discriminator/size/account-count checks inside the React Native (Hermes) runtime and logs the result. Verified PASS on a physical Solana Seeker — vendored RescueCipher + builders are byte-identical to the SDK on-device.
Wrap the dev screen so production builds (where __DEV__ is statically false) redirect home instead of rendering it — keeps the beacon-privacy dev surface out of prod even via deep link. Operator key stays in SecureStore; no key material is logged or committed.
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- Rename uppercase ARCIUM_* identifiers to precise MXE_*/ARX_* terms (MXE_FEE_POOL, MXE_CLOCK, ARX_PROGRAM_ADDR, SecureKeys.BEACON_X25519_SECRET; stored key string unchanged). The CI honesty guard bans the literal token to stop fake 'ARCIUM MPC' UI labels; the real integration shouldn't trip it. - getMxeX25519Pubkey: validate length + reject an all-zero read so a layout drift fails loudly instead of as an opaque downstream MPC decrypt failure. - buildCipher: zero the operator x25519 secret + derived shared secret after the cipher absorbs them (mirrors sendTransaction secret-key hygiene). - registerBeacon: TODO marking the random rnsDestHash as a dev placeholder — production must pass the real Reticulum/LXMF destination to bind meaningfully.
…ps in prod Move the operator screen to components/dev/ArciumBeaconScreen and have the route require() it only inside an if(__DEV__) branch. In production __DEV__ is statically false, so the require (and the screen's arcium-service imports) is dead-code- eliminated — the dev surface never imports, initializes, or renders in prod.
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Draft — proven plumbing + full e2e; the production UX surface is a deliberate follow-up.
What this is
Integrates the
anonbeta1Arcium program (devnet) for the beacon-operator privacy flow: register a relay beacon whose RNS destination is encrypted + bound via Arcium MPC (never public), with relay throughput tracked in an encrypted on-chain counter only the operator can decrypt.src/services/arcium/— vendored MPC crypto (RescueCipher+ Arcium PDA derivations, extracted from@arcium-hq/client@0.9.3with node/anchor deps stripped and@noblev2 paths; validated byte-for-byte against the SDK), raw@solana/web3.jsinstruction builders, the operator service (register / init-stats / record-relay / status / decrypt), and the operator x25519 key in SecureStore.app/dev/arcium-beacon.tsx— a__DEV__-only screen that drives the flow.Why draft
This is the plumbing + proof, not a finished user feature — the only caller today is the dev route. Where (and whether) "run a private beacon" lives as a user-facing surface is an open product decision, intentionally a follow-up.
Tested end-to-end
beacon_bindMPC → verified → init → record →relay_incrementMPC → decrypted count = 1.tsc --noEmitclean; Metro Android bundle clean.Safety
__DEV__— production builds redirect home, so the surface never ships..envin the diff.anon7uu8UtVoFgS8GCSfw2RqyphJhkN3xEjgPwznYDe.Out of scope
The public payment path (
execute_cosigned_transfer) — that needs a co-sign change in the React Native LXMF module (separate lane).