diff --git a/apps/machine/.env.example b/apps/machine/.env.example
index 8748c21..3230ecb 100644
--- a/apps/machine/.env.example
+++ b/apps/machine/.env.example
@@ -73,18 +73,6 @@ VITE_SPIRE_SEED=
# Show "Under Service" screen and block all transactions
# VITE_MAINTENANCE_MODE=true
-# =============================================================================
-# Public Web Demo
-# =============================================================================
-
-# Set ONLY for the browser demo build (atm.demo.aiolabs.dev). Leave blank on
-# every real machine. When set it:
-# - keeps the mouse cursor visible (kiosk builds hide it)
-# - mints one extra, never-used LNbits wallet named with this exact string,
-# so the throwaway accounts the demo creates (one per page load, each with
-# its own ephemeral identity) can be swept by name instead of guessed at.
-# VITE_DEMO_TAG=bitspire-web-demo
-
# =============================================================================
# Mock Fallback (Production Safety)
# =============================================================================
diff --git a/apps/machine/electron/nfc-service.ts b/apps/machine/electron/nfc-service.ts
index e94ddaf..ca9ace1 100644
--- a/apps/machine/electron/nfc-service.ts
+++ b/apps/machine/electron/nfc-service.ts
@@ -13,8 +13,6 @@
* QR path keeps working — cash-out never depends on this.
*/
-import { execFile } from 'node:child_process'
-
export type NfcState = 'ready' | 'reading' | 'error' | 'card-removed' | 'unavailable'
export interface NfcStatus {
state: NfcState
@@ -85,11 +83,7 @@ export async function readNdefLnurlw(
const send = (bytes: number[]) => transmit(Buffer.from(bytes), 256)
// Select the NDEF Tag Application (AID D2760000850101).
- if (
- !swOk(
- await send([0x00, 0xa4, 0x04, 0x00, 0x07, 0xd2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01, 0x00])
- )
- ) {
+ if (!swOk(await send([0x00, 0xa4, 0x04, 0x00, 0x07, 0xd2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01, 0x00]))) {
return null
}
@@ -113,29 +107,6 @@ export async function readNdefLnurlw(
let stopFn: (() => void) | null = null
-// ── Wedge auto-recovery ───────────────────────────────────────────────────
-// Cheap CCID readers (the Feitian R502-CL especially) occasionally wedge: they
-// keep detecting a card but every APDU returns "card absent or mute", and ONLY
-// a USB power-cycle clears it — pcscd/app restarts do NOT. When we see a run of
-// consecutive read failures we trigger nfc-reader-reset.service (a root oneshot
-// that re-binds the reader's USB device = a software replug); nfc-pcsc then
-// re-detects the reader on hotplug with no app restart. The trigger is gated by
-// a cooldown so a still-wedged reader can't reset-loop. A quality reader (e.g.
-// ACR1252U) wedges far less; this is belt-and-suspenders for any reader.
-const WEDGE_FAILURE_THRESHOLD = 3
-const RESET_COOLDOWN_MS = 30_000
-// Persist across reader re-enumerations (a reset spawns a fresh reader closure).
-let lastReaderResetAt = 0
-
-/** Trigger the privileged USB power-cycle of the reader. Best-effort. */
-function resetWedgedReader(): void {
- // NixOS: the app runs unprivileged as `bitspire`; a polkit rule authorises it
- // to start this one unit. systemctl lives at a stable path on the device.
- execFile('/run/current-system/sw/bin/systemctl', ['start', 'nfc-reader-reset.service'], () => {
- /* best-effort — if it fails the reader stays wedged until a manual reset */
- })
-}
-
/**
* Start listening for Bolt Card taps. Idempotent. Returns a stop function.
* Never throws — failures surface via onStatus.
@@ -188,10 +159,6 @@ export async function startNfcReader(
// a present↔empty storm when hammered, so ignore re-detections for a beat
// after a failure. Successful reads don't cool down.
let cooldownUntil = 0
- // Consecutive failed reads → wedge detection (see resetWedgedReader above).
- // A completed read (Bolt Card or not) proves the reader is healthy and
- // clears the count; only a run of thrown transmits trips the reset.
- let consecutiveFailures = 0
r.on('card', async () => {
if (Date.now() < cooldownUntil) return
onStatus({ state: 'reading', reader: name })
@@ -200,30 +167,13 @@ export async function startNfcReader(
// user simply re-taps.
try {
const lnurlw = await readNdefLnurlw((apdu, maxLen) => r.transmit(apdu, maxLen))
- consecutiveFailures = 0
if (lnurlw) {
onCard(lnurlw)
return
}
onStatus({ state: 'error', reader: name, message: 'not a Bolt Card' })
} catch (e) {
- consecutiveFailures++
- if (
- consecutiveFailures >= WEDGE_FAILURE_THRESHOLD &&
- Date.now() - lastReaderResetAt > RESET_COOLDOWN_MS
- ) {
- // Reader looks wedged — auto power-cycle it (only fix that works).
- lastReaderResetAt = Date.now()
- consecutiveFailures = 0
- onStatus({ state: 'error', reader: name, message: 'reader stuck — auto-resetting…' })
- resetWedgedReader()
- } else {
- onStatus({
- state: 'error',
- reader: name,
- message: 'card read failed — hold steady & retap',
- })
- }
+ onStatus({ state: 'error', reader: name, message: 'card read failed — hold steady & retap' })
void e
}
cooldownUntil = Date.now() + 1500
@@ -232,9 +182,7 @@ export async function startNfcReader(
r.on('error', (err: unknown) =>
onStatus({ state: 'error', reader: name, message: errMsg(err) })
)
- r.on('end', () =>
- onStatus({ state: 'unavailable', reader: name, message: 'reader disconnected' })
- )
+ r.on('end', () => onStatus({ state: 'unavailable', reader: name, message: 'reader disconnected' }))
})
nfc.on('error', (err: unknown) => onStatus({ state: 'error', message: errMsg(err) }))
diff --git a/apps/machine/index.html b/apps/machine/index.html
index 7b3a983..cc57859 100644
--- a/apps/machine/index.html
+++ b/apps/machine/index.html
@@ -2,7 +2,7 @@
-
+