chore: encrypt tenant NWC URL at rest and stop secret exposure in tenant APIs

backend/.env.template

@@ -28,6 +28,5 @@ LIVEKIT_API_SECRET=
 
 # Billing
 NWC_URL=                      # Nostr Wallet Connect URL for generating Lightning invoices
-ENCRYPTION_SECRET=            # Nostr secret key (hex or nsec) used to encrypt tenant NWC URLs at rest
 STRIPE_SECRET_KEY=            # Required Stripe API secret key (sk_...)
 STRIPE_WEBHOOK_SECRET=whsec_test_00000000000000000000000000  # Webhook signing secret (use real value in production)

backend/README.md

@@ -44,7 +44,6 @@ Environment variables:
 | `LIVEKIT_API_KEY`        | LiveKit API key sent to zooid                                           | _optional_                           |
 | `LIVEKIT_API_SECRET`     | LiveKit API secret sent to zooid                                        | _optional_                           |
 | `NWC_URL`                | Platform NWC URL used to generate BOLT11 invoices                       | _required for invoice generation_    |
-| `ENCRYPTION_SECRET`      | Nostr secret key (hex or nsec) used to encrypt tenant NWC URLs at rest  | _required_                           |
 | `STRIPE_SECRET_KEY`      | Stripe API secret key used for billing API operations                   | _required_                           |
 | `STRIPE_WEBHOOK_SECRET`  | Stripe webhook signing secret used to verify `Stripe-Signature` headers | _required_                           |
 | `ROBOT_SECRET`           | Robot Nostr secret key                                                  | _required_                           |

backend/spec/api.md

@@ -57,7 +57,7 @@ Notes:
 
 - Serves `GET /tenants`
 - Authorizes admin only
-- Return `data` is a list of `TenantResponse` structs (contains `nwc_is_set: bool` instead of `nwc_url`)
+- Return `data` is a list of tenant structs from `query.list_tenants`
 
 ## `async fn create_tenant(...) -> Response`
 
@@ -69,21 +69,20 @@ Notes:
 - On unique-constraint race (`pubkey-exists`), re-fetch and return the existing tenant
 - If Stripe customer creation fails, return `code=stripe-customer-create-failed`
 - Always returns `200` (create-or-get is uniform)
-- Return `data` is a single `TenantResponse` struct (contains `nwc_is_set: bool` instead of `nwc_url`)
+- Return `data` is a single `Tenant` struct
 
 ## `async fn get_tenant(...) -> Response`
 
 - Serves `GET /tenants/:pubkey`
 - Authorizes admin or matching tenant
-- Return `data` is a single `TenantResponse` struct (contains `nwc_is_set: bool` instead of `nwc_url`)
+- Return `data` is a single tenant struct from `query.get_tenant`
 
 ## `async fn update_tenant(...) -> Response`
 
 - Serves `PUT /tenants/:pubkey`
 - Authorizes admin or matching tenant
-- Accepts `nwc_url` in the request body; encrypts it before storage using `cipher::encrypt`
 - Updates tenant using `command.update_tenant`
-- Return `data` is the updated `TenantResponse` struct (contains `nwc_is_set: bool` instead of `nwc_url`)
+- Return `data` is the updated tenant struct
 
 ## `async fn list_tenant_relays(...) -> Response`
 

backend/spec/models.md

@@ -52,7 +52,7 @@ There are three plans available:
 Tenants are customers of the service, identified by a nostr `pubkey`. Public metadata like name etc are pulled from the nostr network. They also have associated billing information.
 
 - `pubkey` is the nostr public key identifying the tenant
-- `nwc_url` (private) a nostr wallet connect URL used for **paying** invoices generated by the system on the tenant's behalf; stored encrypted at rest using NIP-44 via `ENCRYPTION_SECRET`; never serialized to API responses — tenant API endpoints expose `nwc_is_set: bool` instead
+- `nwc_url` (private) a nostr wallet connect URL used for **paying** invoices generated by the system on the tenant's behalf
 - `nwc_error` (private) a string indicating the most recent NWC payment error, if any. Cleared on successful NWC payment.
 - `created_at` unix timestamp identifying tenant creation time
 - `stripe_customer_id` a string identifying the associated stripe customer
@@ -63,9 +63,9 @@ Tenants are customers of the service, identified by a nostr `pubkey`. Public met
 
 A relay is a nostr relay owned by a `tenant` and hosted by the attached zooid instance. Relay subdomains MUST be unique.
 
-- `id` - calculated based on `subdomain` + 8 random hex chars
+- `id` - a random ID identifying the relay
 - `tenant` - the tenant's pubkey
-- `schema` - the relay's db schema (read only, same as `id`)
+- `schema` - the relay's db schema (read_only, calculated based on `subdomain` + `id`)
 - `subdomain` - the relay's subdomain
 - `plan` - the relay's plan
 - `stripe_subscription_item_id` (nullable) - the Stripe subscription item id. Only set for relays on paid plans.

backend/src/api.rs

@@ -275,6 +275,9 @@ impl Api {
             return Err(RelayValidationError::PremiumFeature);
         }
 
+        if relay.schema.is_empty() {
+            relay.schema = format!("{}_{}", relay.subdomain.replace('-', "_"), relay.id);
+        }
         if relay.status.is_empty() {
             relay.status = RELAY_STATUS_ACTIVE.to_string();
         }
@@ -751,16 +754,10 @@ async fn create_relay(
     let auth = state.api.extract_auth_pubkey(&headers)?;
     state.api.require_admin_or_tenant(&auth, &payload.tenant)?;
 
-    let relay_id = format!(
-        "{}_{}",
-        payload.subdomain.replace('-', "_"),
-        &uuid::Uuid::new_v4().simple().to_string()[..8]
-    );
-
     let mut relay = Relay {
-        id: relay_id.clone(),
+        id: uuid::Uuid::new_v4().to_string(),
         tenant: payload.tenant,
-        schema: relay_id.clone(),
+        schema: String::new(),
         subdomain: payload.subdomain,
         plan: payload.plan,
         stripe_subscription_item_id: None,

frontend/src/lib/useRelayToggles.ts

@@ -1,5 +1,5 @@
 import { createSignal } from "solid-js"
-import { updateRelayById, deactivateRelayById, reactivateRelayById, getLatestOpenInvoice, tenantNeedsPaymentSetup, type Relay } from "@/lib/hooks"
+import { updateRelayById, deactivateRelayById, reactivateRelayById, getLatestOpenInvoice, type Relay } from "@/lib/hooks"
 import { setToastMessage } from "@/components/Toast"
 import type { Invoice, PlanId } from "@/lib/api"
 
@@ -31,7 +31,6 @@ export default function useRelayToggles(
 ) {
   const [busy, setBusy] = createSignal(false)
   const [pendingInvoice, setPendingInvoice] = createSignal<Invoice | undefined>()
-  const [pendingPaymentSetup, setPendingPaymentSetup] = createSignal(false)
 
   async function updateRelay(next: Relay, previous: Relay) {
     mutate(next)
@@ -102,12 +101,8 @@ export default function useRelayToggles(
     }
 
     if (plan !== "free") {
-      const needsSetup = await tenantNeedsPaymentSetup()
-      if (needsSetup) {
-        const invoice = await getLatestOpenInvoice()
-        if (invoice) setPendingInvoice(invoice)
-        setPendingPaymentSetup(true)
-      }
+      const invoice = await getLatestOpenInvoice()
+      if (invoice) setPendingInvoice(invoice)
     }
   }
 
@@ -121,5 +116,5 @@ export default function useRelayToggles(
     onToggleLivekitSupport: () => toggle("livekit_enabled", relay()?.plan !== "free"),
   }
 
-  return { busy, handleDeactivate, handleReactivate, handleUpdatePlan, pendingInvoice, clearPendingInvoice: () => setPendingInvoice(undefined), pendingPaymentSetup, clearPendingPaymentSetup: () => setPendingPaymentSetup(false), toggles }
+  return { busy, handleDeactivate, handleReactivate, handleUpdatePlan, pendingInvoice, clearPendingInvoice: () => setPendingInvoice(undefined), toggles }
 }

frontend/src/pages/relays/RelayDetail.tsx

@@ -1,5 +1,5 @@
 import { useParams } from "@solidjs/router"
-import { createEffect, createMemo, createResource, createSignal, Show } from "solid-js"
+import { createMemo, createResource, createSignal, Show } from "solid-js"
 import BackLink from "@/components/BackLink"
 import PageContainer from "@/components/PageContainer"
 import PaymentDialog from "@/components/PaymentDialog"
@@ -28,20 +28,13 @@ export default function RelayDetail() {
   })
   const loading = useMinLoading(() => relay.loading && !relay())
   const [activity] = useRelayActivity(relayId)
-  const { busy, handleDeactivate, handleReactivate, handleUpdatePlan, pendingInvoice, clearPendingInvoice, pendingPaymentSetup, clearPendingPaymentSetup, toggles } = useRelayToggles(relayId, relay, { refetch, mutate })
+  const { busy, handleDeactivate, handleReactivate, handleUpdatePlan, pendingInvoice, clearPendingInvoice, toggles } = useRelayToggles(relayId, relay, { refetch, mutate })
 
   const [tenant, { refetch: refetchTenant }] = useTenant()
   const [paymentSetupOpen, setPaymentSetupOpen] = createSignal(false)
   const [invoiceDialogOpen, setInvoiceDialogOpen] = createSignal(false)
   const [paymentBannerDismissed, setPaymentBannerDismissed] = createSignal(false)
 
-  createEffect(() => {
-    if (pendingPaymentSetup() && !pendingInvoice()) {
-      setPaymentSetupOpen(true)
-      clearPendingPaymentSetup()
-    }
-  })
-
   const isPaidRelay = createMemo(() => {
     const r = relay()
     if (!r) return false

frontend/src/pages/relays/RelayNew.tsx

@@ -3,15 +3,13 @@ import { useNavigate } from "@solidjs/router"
 import BackLink from "@/components/BackLink"
 import PageContainer from "@/components/PageContainer"
 import PaymentDialog from "@/components/PaymentDialog"
-import PaymentSetup from "@/components/PaymentSetup"
 import RelayForm, { type RelayFormValues } from "@/components/RelayForm"
-import { createRelayForActiveTenant, getLatestOpenInvoice, tenantNeedsPaymentSetup } from "@/lib/hooks"
+import { createRelayForActiveTenant, getLatestOpenInvoice } from "@/lib/hooks"
 import type { Invoice } from "@/lib/api"
 
 export default function RelayNew() {
   const navigate = useNavigate()
   const [pendingInvoice, setPendingInvoice] = createSignal<Invoice | undefined>()
-  const [paymentSetupOpen, setPaymentSetupOpen] = createSignal(false)
   let createdRelayId = ""
 
   async function handleSubmit(values: RelayFormValues) {
@@ -19,14 +17,9 @@ export default function RelayNew() {
     createdRelayId = relay.id
 
     if (values.plan !== "free") {
-      const needsSetup = await tenantNeedsPaymentSetup()
-      if (needsSetup) {
-        const invoice = await getLatestOpenInvoice()
-        if (invoice) {
-          setPendingInvoice(invoice)
-          return
-        }
-        setPaymentSetupOpen(true)
+      const invoice = await getLatestOpenInvoice()
+      if (invoice) {
+        setPendingInvoice(invoice)
         return
       }
     }
@@ -34,13 +27,8 @@ export default function RelayNew() {
     navigate(`/relays/${relay.id}`)
   }
 
-  function handleInvoiceClose() {
+  function handleDialogClose() {
     setPendingInvoice(undefined)
-    setPaymentSetupOpen(true)
-  }
-
-  function handleSetupClose() {
-    setPaymentSetupOpen(false)
     navigate(`/relays/${createdRelayId}`)
   }
 
@@ -59,14 +47,10 @@ export default function RelayNew() {
           <PaymentDialog
             invoice={inv()}
             open={true}
-            onClose={handleInvoiceClose}
+            onClose={handleDialogClose}
           />
         )}
       </Show>
-      <PaymentSetup
-        open={paymentSetupOpen()}
-        onClose={handleSetupClose}
-      />
     </PageContainer>
   )
 }

justfile

@@ -5,9 +5,6 @@ dev:
   cd frontend && bun dev &
   wait
 
-dev-backend:
-  cd backend && onchange src -ik -- bash -c 'RUST_LOG=backend=info cargo run'
-
 dev-frontend:
   cd frontend && bun run dev
 
@@ -30,7 +27,7 @@ build-backend:
   cd backend && cargo build
 
 build-frontend:
-  cd frontend && bun i && bun run build
+  cd frontend && bun run build
 
 fmt: fmt-backend