Removes unused function

setup.py

@@ -23,6 +23,6 @@ setup(
         'aiosqlite==0.10.0',
         'PyNaCl>=1.3.0',
         'requests',
-        'cython',  # Not really needed anymore but w/e
+        'cython', 'nacl'  # Not really needed anymore but w/e
     ]
 )

src/database/writes.py

@@ -10,7 +10,6 @@ from src.database.queries import get_comment_or_none
 from src.database.queries import insert_comment
 from src.database.queries import insert_channel
 from src.database.queries import get_claim_ids_from_comment_ids
-from src.server.misc import is_authentic_delete_signal
 from src.server.misc import validate_signature_from_claim
 from src.server.misc import channel_matches_pattern_or_error
 

src/server/misc.py

@@ -113,20 +113,6 @@ def is_valid_credential_input(channel_id=None, channel_name=None, signature=None
     return True
 
 
-async def is_authentic_delete_signal(app, comment_id, channel_name, channel_id, signature, signing_ts):
-    claim = await get_claim_from_id(app, claim_id=channel_id)
-    if claim:
-        public_key = claim['value']['public_key']
-        claim_hash = binascii.unhexlify(claim['claim_id'].encode())[::-1]
-        pieces_injest = b''.join((signing_ts.encode(), claim_hash, comment_id.encode()))
-        return is_signature_valid(
-            encoded_signature=get_encoded_signature(signature),
-            signature_digest=hashlib.sha256(pieces_injest).digest(),
-            public_key_bytes=binascii.unhexlify(public_key.encode())
-        )
-    return False
-
-
 def validate_signature_from_claim(claim, signature, signing_ts, data: str):
     try:
         if claim: