Satspay mostly working

lnbits/extensions/satspay/models.py

@@ -1,5 +1,6 @@
 from sqlite3 import Row
 from typing import NamedTuple
+import time
 
 
 class Charges(NamedTuple):
@@ -12,12 +13,25 @@ class Charges(NamedTuple):
     payment_request: str
     payment_hash: str
     webhook: str
-    time: str
+    time: int
     amount: int
     balance: int
-    paid: bool
     timestamp: int
 
     @classmethod
     def from_row(cls, row: Row) -> "Charges":
         return cls(**dict(row))
+
+    @property
+    def time_elapsed(self):
+        if (self.timestamp + (self.time * 60)) >= time.time():
+            return False
+        else:
+            return True
+
+    @property
+    def paid(self):
+        if self.balance >= self.amount:
+            return True
+        else:
+            return False