Merge pull request #112 from arcbtc/lnaddress

feat: lnaddress funding for pos

Author: arcbtc

__init__.py

@@ -42,7 +42,7 @@ def tpos_start():
 __all__ = [
     "db",
     "tpos_ext",
-    "tpos_static_files",
     "tpos_start",
+    "tpos_static_files",
     "tpos_stop",
 ]

crud.py

@@ -3,6 +3,7 @@
 
 from lnbits.db import Database
 from lnbits.helpers import urlsafe_short_hash
+from loguru import logger
 
 from .models import CreateTposData, LnurlCharge, Tpos, TposClean
 
@@ -78,9 +79,12 @@ async def get_tposs(wallet_ids: Union[str, list[str]]) -> list[Tpos]:
     if isinstance(wallet_ids, str):
         wallet_ids = [wallet_ids]
     q = ",".join([f"'{wallet_id}'" for wallet_id in wallet_ids])
-    return await db.fetchall(
+    tposs = await db.fetchall(
         f"SELECT * FROM tpos.pos WHERE wallet IN ({q})", model=Tpos
     )
+    logger.debug("tposs")
+    logger.debug(tposs)
+    return tposs
 
 
 async def delete_tpos(tpos_id: str) -> None:

helpers.py

@@ -0,0 +1,18 @@
+import httpx
+from lnbits.core.views.api import api_lnurlscan
+
+
+async def get_pr(ln_address, amount):
+    try:
+        data = await api_lnurlscan(ln_address)
+        if data.get("status") == "ERROR":
+            return
+        async with httpx.AsyncClient() as client:
+            response = await client.get(
+                url=f"{data['callback']}?amount={int(amount) * 1000}"
+            )
+            if response.status_code != 200:
+                return
+            return response.json()["pr"]
+    except Exception:
+        return None

migrations.py

@@ -165,3 +165,25 @@ async def m010_rename_tpos_withdraw_columns(db: Database):
     )
     await db.execute("DROP TABLE tpos.pos")
     await db.execute("ALTER TABLE tpos.pos_backup RENAME TO pos")
+
+
+async def m011_lnaddress(db: Database):
+    """
+    Add lnaddress to tpos table
+    """
+    await db.execute(
+        """
+        ALTER TABLE tpos.pos ADD lnaddress BOOLEAN DEFAULT false;
+    """
+    )
+
+
+async def m012_addlnaddress(db: Database):
+    """
+    Add lnaddress_cut to tpos table
+    """
+    await db.execute(
+        """
+        ALTER TABLE tpos.pos ADD lnaddress_cut TEXT NULL;
+    """
+    )

models.py

@@ -15,6 +15,7 @@ class CreateTposInvoice(BaseModel):
     memo: Optional[str] = Query(None)
     details: Optional[dict] = Query(None)
     tip_amount: Optional[int] = Query(None, ge=1)
+    user_lnaddress: Optional[str] = Query(None)
 
 
 class CreateTposData(BaseModel):
@@ -32,6 +33,8 @@ class CreateTposData(BaseModel):
     withdraw_time_option: Optional[str] = Field(None)
     withdraw_premium: Optional[float] = Field(None)
     withdraw_pin_disabled: bool = Field(False)
+    lnaddress: bool = Field(False)
+    lnaddress_cut: Optional[int] = Field(0)
 
 
 class TposClean(BaseModel):
@@ -47,6 +50,8 @@ class TposClean(BaseModel):
     withdraw_premium: Optional[float] = None
     withdraw_pin_disabled: Optional[bool] = None
     withdrawn_amount: int = 0
+    lnaddress: Optional[bool] = None
+    lnaddress_cut: int = 0
     items: Optional[str] = None
     tip_options: Optional[str] = None
 
@@ -89,6 +94,10 @@ class PayLnurlWData(BaseModel):
     lnurl: str
 
 
+class LNaddress(BaseModel):
+    lnaddress: str
+
+
 class Item(BaseModel):
     image: Optional[str]
     price: float

poetry.lock

@@ -7,6 +7,7 @@ authors = ["Alan Bits <[email protected]>"]
 [tool.poetry.dependencies]
 python = "^3.10 | ^3.9"
 lnbits = {version = "*",  allow-prereleases = true}
+mypy = "^1.13.0"
 
 [tool.poetry.group.dev.dependencies]
 black = "^24.3.0"

pyproject.toml

@@ -47,6 +47,18 @@ window.app = Vue.createApp({
             align: 'left',
             label: 'atm pin disabled',
             field: 'withdraw_pin_disabled'
+          },
+          {
+            name: 'lnaddress',
+            align: 'left',
+            label: 'LNaddress',
+            field: 'lnaddress'
+          },
+          {
+            name: 'lnaddress_cut',
+            align: 'left',
+            label: 'LNaddress Cut',
+            field: 'lnaddress_cut'
           }
         ],
         pagination: {
@@ -71,7 +83,9 @@ window.app = Vue.createApp({
           withdraw_between: 10,
           withdraw_time_option: '',
           withdraw_pin_disabled: false,
-          tax_inclusive: true
+          tax_inclusive: true,
+          lnaddress: false,
+          lnaddress_cut: 2
         },
         advanced: {
           tips: false,
@@ -170,7 +184,6 @@ window.app = Vue.createApp({
     },
     getTposs: function () {
       var self = this
-
       LNbits.api
         .request(
           'GET',

static/js/index.js

@@ -21,6 +21,10 @@ window.app = Vue.createApp({
       atmMode: false,
       atmToken: '',
       nfcTagReading: false,
+      lnaddressDialog: {
+        show: false,
+        lnaddress: ''
+      },
       lastPaymentsDialog: {
         show: false,
         data: []
@@ -283,6 +287,29 @@ window.app = Vue.createApp({
           LNbits.utils.notifyApiError(error)
         })
     },
+    lnaddressSubmit() {
+      LNbits.api
+        .request(
+          'GET',
+          `/tpos/api/v1/tposs/lnaddresscheck?lnaddress=${encodeURIComponent(this.lnaddressDialog.lnaddress)}`,
+          null
+        )
+        .then(response => {
+          if (response.data) {
+            this.$q.localStorage.set(
+              'tpos.lnaddress',
+              this.lnaddressDialog.lnaddress
+            )
+            this.lnaddressDialog.show = false
+            this.lnaddress = true
+          }
+        })
+        .catch(error => {
+          const errorMessage =
+            error.response?.data?.detail || 'An unknown error occurred.'
+          LNbits.utils.notifyApiError(errorMessage)
+        })
+    },
     atmGetWithdraw() {
       var dialog = this.invoiceDialog
       if (this.sat > this.withdrawMaximum) {
@@ -452,7 +479,9 @@ window.app = Vue.createApp({
             taxValue: this.cartTax
           }
         }
-
+        if (this.lnaddress) {
+          params.user_lnaddress = this.lnaddressDialog.lnaddress
+        }
         axios
           .post(`/tpos/api/v1/tposs/${this.tposId}/invoices`, params)
           .then(response => {
@@ -630,6 +659,7 @@ window.app = Vue.createApp({
           .request('GET', `/tpos/api/v1/rate/${this.currency}`)
           .then(response => {
             this.exchangeRate = response.data.rate
+            console.log(this.exchangeRate)
             Quasar.Loading.hide()
           })
           .catch(e => console.error(e))
@@ -669,6 +699,15 @@ window.app = Vue.createApp({
     handleColorScheme(val) {
       this.$q.localStorage.set('lnbits.tpos.color', val)
     },
+    clearLNaddress() {
+      this.$q.localStorage.remove('tpos.lnaddress')
+      this.lnaddressDialog.lnaddress = ''
+      const url = new URL(window.location.href)
+      url.searchParams.delete('lnaddress')
+      window.history.replaceState({}, document.title, url.toString())
+      this.lnaddressDialog.show = true
+      this.lnaddress = false
+    },
     extractCategories(items) {
       let categories = new Set()
       items
@@ -718,6 +757,8 @@ window.app = Vue.createApp({
     this.pinDisabled = tpos.withdraw_pin_disabled
     this.taxInclusive = tpos.tax_inclusive
     this.taxDefault = tpos.tax_default
+    this.tposLNaddress = tpos.lnaddress
+    this.tposLNaddressCut = tpos.lnaddress_cut
 
     this.tip_options = tpos.tip_options == 'null' ? null : tpos.tip_options
 
@@ -735,6 +776,23 @@ window.app = Vue.createApp({
       this.showPoS = false
       this.categories = this.extractCategories(this.items)
     }
+    if (this.tposLNaddress) {
+      this.lnaddressDialog.lnaddress =
+        this.$q.localStorage.getItem('tpos.lnaddress')
+      if (lnaddressparam != '') {
+        this.lnaddressDialog.lnaddress = lnaddressparam
+        this.$q.localStorage.set(
+          'tpos.lnaddress',
+          this.lnaddressDialog.lnaddress
+        )
+        this.lnaddress = true
+      } else if (!this.lnaddressDialog.lnaddress) {
+        this.lnaddress = false
+        this.lnaddressDialog.show = true
+      } else {
+        this.lnaddress = true
+      }
+    }
 
     window.addEventListener('keyup', event => {
       // do nothing if the event was already processed

static/js/tpos.js

@@ -6,6 +6,7 @@
 from loguru import logger
 
 from .crud import get_tpos
+from .helpers import get_pr
 
 
 async def wait_for_paid_invoices():
@@ -40,6 +41,17 @@ async def on_invoice_paid(payment: Payment) -> None:
 
     tpos = await get_tpos(tpos_id)
     assert tpos
+    if payment.extra.get("lnaddress") and payment.extra["lnaddress"] != "":
+        calc_amount = payment.amount - ((payment.amount / 100) * tpos.lnaddress_cut)
+        pr = await get_pr(payment.extra.get("lnaddress"), calc_amount / 1000)
+        if pr:
+            payment.extra["lnaddress"] = ""
+            paid_payment = await pay_invoice(
+                payment_request=pr,
+                wallet_id=payment.wallet_id,
+                extra={**payment.extra},
+            )
+            logger.debug(f"tpos: LNaddress paid cut: {paid_payment.checking_id}")
 
     await websocket_updater(tpos_id, str(stripped_payment))