lnurlp extension.

lnbits/extensions/lnurlp/models.py

@@ -0,0 +1,32 @@
+import json
+from flask import url_for
+from lnurl import Lnurl, encode as lnurl_encode
+from lnurl.types import LnurlPayMetadata
+from sqlite3 import Row
+from typing import NamedTuple
+
+from lnbits.settings import FORCE_HTTPS
+
+
+class PayLink(NamedTuple):
+    id: str
+    wallet: str
+    description: str
+    amount: int
+    served_meta: int
+    served_pr: int
+
+    @classmethod
+    def from_row(cls, row: Row) -> "PayLink":
+        data = dict(row)
+        return cls(**data)
+
+    @property
+    def lnurl(self) -> Lnurl:
+        scheme = "https" if FORCE_HTTPS else None
+        url = url_for("lnurlp.api_lnurl_response", link_id=self.id, _external=True, _scheme=scheme)
+        return lnurl_encode(url)
+
+    @property
+    def lnurlpay_metadata(self) -> LnurlPayMetadata:
+        return LnurlPayMetadata(json.dumps([["text/plain", self.description]]))