add external_id field for external use

lnbits/extensions/boltcards/README.md

@@ -22,7 +22,8 @@ The key #00, K0 (also know as auth key) is skipped to be use as authentification
 So far, regarding the keys, the app can only write a new key set on an empty card (with zero keys). **When you write non zero (and 'non debug') keys, they can't be rewrite with this app.** You have to do it on your computer. 
 
 - Read the card with the app. Note UID so you can fill it in the extension later.
-- Write the link on the card. It shoud be like `YOUR_LNBITS_DOMAIN/boltcards/api/v1/scan/{card_uid}`
+- Write the link on the card. It shoud be like `YOUR_LNBITS_DOMAIN/boltcards/api/v1/scan/{external_id}`
+    - `{external_id}` should be replaced with the External ID found in the LNBits dialog.
 
 - Add new card in the extension. 
     - Set a max sats per transaction. Any transaction greater than this amount will be rejected.
@@ -43,7 +44,7 @@ So far, regarding the keys, the app can only write a new key set on an empty car
 
 Follow the guide. 
 
-The URI should be `lnurlw://YOUR-DOMAIN.COM/boltcards/api/v1/scan/{YOUR_card_uid}?p=00000000000000000000000000000000&c=0000000000000000`
+The URI should be `lnurlw://YOUR-DOMAIN.COM/boltcards/api/v1/scan/{YOUR_card_external_id}?p=00000000000000000000000000000000&c=0000000000000000`
 
 Then fill up the card parameters in the extension. Card Auth key (K0) can be omitted. Initical counter can be 0.
 
@@ -52,7 +53,7 @@ Then fill up the card parameters in the extension. Card Auth key (K0) can be omi
 - In the TagWriter app tap Write tags
 - New Data Set > Link
 - Set URI type to Custom URL
-- URL should look like lnurlw://YOUR_LNBITS_DOMAIN/boltcards/api/v1/scan/{YOUR_card_uid}?p=00000000000000000000000000000000&c=0000000000000000
+- URL should look like lnurlw://YOUR_LNBITS_DOMAIN/boltcards/api/v1/scan/{YOUR_card_external_id}?p=00000000000000000000000000000000&c=0000000000000000
 - click Configure mirroring options
 - Select Card Type NTAG 424 DNA
 - Check Enable SDM Mirroring

lnbits/extensions/boltcards/crud.py

@@ -9,11 +9,14 @@ from .models import Card, CreateCardData, Hit, Refund
 
 async def create_card(data: CreateCardData, wallet_id: str) -> Card:
     card_id = urlsafe_short_hash().upper()
+    extenal_id = urlsafe_short_hash().lower()
+
     await db.execute(
         """
         INSERT INTO boltcards.cards (
             id,
             uid,
+            external_id,
             wallet,
             card_name,
             counter,
@@ -25,11 +28,12 @@ async def create_card(data: CreateCardData, wallet_id: str) -> Card:
             k2,
             otp
         )
-        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         """,
         (
             card_id,
             data.uid.upper(),
+            extenal_id,
             wallet_id,
             data.card_name,
             data.counter,
@@ -95,6 +99,18 @@ async def get_card_by_uid(card_uid: str) -> Optional[Card]:
     return Card.parse_obj(card)
 
 
+async def get_card_by_external_id(external_id: str) -> Optional[Card]:
+    row = await db.fetchone(
+        "SELECT * FROM boltcards.cards WHERE external_id = ?", (external_id.lower(),)
+    )
+    if not row:
+        return None
+
+    card = dict(**row)
+
+    return Card.parse_obj(card)
+
+
 async def get_card_by_otp(otp: str) -> Optional[Card]:
     row = await db.fetchone("SELECT * FROM boltcards.cards WHERE otp = ?", (otp,))
     if not row:

lnbits/extensions/boltcards/lnurl.py

@@ -26,8 +26,8 @@ from . import boltcards_ext
 from .crud import (
     create_hit,
     get_card,
+    get_card_by_external_id,
     get_card_by_otp,
-    get_card_by_uid,
     get_hit,
     get_hits_today,
     spend_hit,
@@ -41,14 +41,14 @@ from .nxp424 import decryptSUN, getSunMAC
 ###############LNURLWITHDRAW#################
 
 # /boltcards/api/v1/scan?p=00000000000000000000000000000000&c=0000000000000000
-@boltcards_ext.get("/api/v1/scan/{card_uid}")
+@boltcards_ext.get("/api/v1/scan/{external_id}")
-async def api_scan(p, c, request: Request, card_uid: str = None):
+async def api_scan(p, c, request: Request, external_id: str = None):
     # some wallets send everything as lower case, no bueno
     p = p.upper()
     c = c.upper()
     card = None
     counter = b""
-    card = await get_card_by_uid(card_uid)
+    card = await get_card_by_external_id(external_id)
     if not card:
         return {"status": "ERROR", "reason": "No card."}
     if not card.enable:

lnbits/extensions/boltcards/migrations.py

@@ -9,6 +9,7 @@ async def m001_initial(db):
             wallet TEXT NOT NULL,
             card_name TEXT NOT NULL,
             uid TEXT NOT NULL UNIQUE,
+            external_id TEXT NOT NULL UNIQUE,
             counter INT NOT NULL DEFAULT 0,
             tx_limit TEXT NOT NULL,
             daily_limit TEXT NOT NULL,

lnbits/extensions/boltcards/models.py

@@ -18,6 +18,7 @@ class Card(BaseModel):
     wallet: str
     card_name: str
     uid: str
+    external_id: str
     counter: int
     tx_limit: int
     daily_limit: int

lnbits/extensions/boltcards/static/js/index.js

@@ -259,6 +259,7 @@ new Vue({
         link: window.location.origin + '/boltcards/api/v1/auth?a=' + card.otp,
         name: card.card_name,
         uid: card.uid,
+        external_id: card.external_id,
         k0: card.k0,
         k1: card.k1,
         k2: card.k2

lnbits/extensions/boltcards/templates/boltcards/index.html

@@ -376,6 +376,7 @@
       <p style="word-break: break-all">
         <strong>Name:</strong> {{ qrCodeDialog.data.name }}<br />
         <strong>UID:</strong> {{ qrCodeDialog.data.uid }}<br />
+        <strong>External ID:</strong> {{ qrCodeDialog.data.external_id }}<br />
         <strong>Lock key:</strong> {{ qrCodeDialog.data.k0 }}<br />
         <strong>Meta key:</strong> {{ qrCodeDialog.data.k1 }}<br />
         <strong>File key:</strong> {{ qrCodeDialog.data.k2 }}<br />
@@ -386,7 +387,7 @@
         unelevated
         outline
         color="grey"
-        @click="copyText(lnurlLink + qrCodeDialog.data.uid)"
+        @click="copyText(lnurlLink + qrCodeDialog.data.external_id)"
         label="Base url (LNURL://)"
       >
       </q-btn>