Adding bolt12 support

paranoia.py

@@ -162,6 +162,13 @@ def assert_valid_bolt11(invoice: str):
     assert_printable(invoice)
 
 
+# Check if string is a valid bolt12 string
+def assert_valid_bolt12(bolt12: str):
+    if not ENABLE_HARDENING:
+        return
+    assert_printable(bolt12)
+
+
 # Check if boolean
 def assert_boolean(v: bool):
     if not ENABLE_HARDENING:

permission.py

@@ -2,13 +2,34 @@
     "pay": {
         "name": "Send payments",
         "methods": [
+            "fetch_invoice",
             "multi_pay_invoice",
             "pay_invoice",
             "pay_keysend",
             "multi_pay_keysend",
         ],
         "default": True,
     },
+    "offer": {
+        "name": "Create offer",
+        "methods": ["make_offer"],
+        "default": True,
+    },
+    "lookup_offer": {
+        "name": "Lookup status of offer",
+        "methods": ["lookup_offer"],
+        "default": True,
+    },
+    "enable_disable_offer": {
+        "name": "Enabling/disabling an offer",
+        "methods": ["enable_offer", "disable_offer"],
+        "default": True,
+    },
+    "list_offers": {
+        "name": "Read list of offers",
+        "methods": ["list_offers"],
+        "default": True,
+    },
     "invoice": {
         "name": "Create invoices",
         "methods": ["make_invoice"],