fixes up code

src/database.py

@@ -94,9 +94,8 @@ def insert_comment(conn: sqlite3.Connection, claim_id: str = None, comment: str
                    channel_id: str = None, signature: str = None, signing_ts: str = None,
                    parent_id: str = None) -> str:
     timestamp = int(time.time())
-    prehash = ':'.join((claim_id, comment, str(timestamp),))
-    prehash = bytes(prehash.encode('utf-8'))
-    comment_id = nacl.hash.sha256(prehash).decode('utf-8')
+    prehash = b':'.join((claim_id.encode(), comment.encode(), str(timestamp).encode(),))
+    comment_id = nacl.hash.sha256(prehash).decode()
     with conn:
         conn.execute(
             """

src/writes.py

@@ -2,8 +2,10 @@ import logging
 import sqlite3
 
 from src.database import get_comment_or_none
-from src.database import insert_comment, insert_channel
-from src.misc import validate_channel, validate_signature
+from src.database import insert_comment
+from src.database import insert_channel
+from src.misc import validate_channel
+from src.misc import validate_signature
 
 logger = logging.getLogger(__name__)
 

tests/database_test.py

@@ -75,6 +75,7 @@ class TestCommentCreation(DatabaseTestCase):
             signing_ts='asdasd'
         )
         self.assertIsNotNone(comment)
+        self.assertIn('signing_ts', comment)
         previous_id = comment['comment_id']
         reply = create_comment(
             conn=self.conn,
@@ -88,6 +89,7 @@ class TestCommentCreation(DatabaseTestCase):
         )
         self.assertIsNotNone(reply)
         self.assertEqual(reply['parent_id'], comment['comment_id'])
+        self.assertIn('signing_ts', reply)
 
     def test04UsernameVariations(self):
         self.assertRaises(