added blockio load implementation

src/blockio/__init__.py

@@ -3,6 +3,7 @@
 Wrap safedb for storing and fetching blocks
 """
 from .store import store_block
+from .load import load_block, list_blocks_by_type
 """
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

src/blockio/load/__init__.py

@@ -2,11 +2,12 @@
 
 Get blocks from safedb
 """
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, List
 
 from kasten import Kasten
 
 if TYPE_CHECKING:
+    from kasten.types import BlockChecksumBytes
     from safedb import SafeDB
 """
 This program is free software: you can redistribute it and/or modify
@@ -23,11 +24,13 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """
 
+
 def load_block(block: 'BlockChecksumBytes', safe_db: 'SafeDB') -> Kasten:
-    kasten_generator = get_generator
+    return Kasten(
-    return Kasten()
+        block, safe_db.get(block), generator=None, auto_check_generator=False)
-
-
-#def list_blocks_by_type(block_type: str, safe_db: 'SafeDB'):
 
 
+def list_blocks_by_type(
+        block_type: str, safe_db: 'SafeDB') -> List['BlockChecksumBytes']:
+    blocks = safe_db.get(f'bl-{block_type}')
+    return zip(*[iter(blocks)]*64)

tests/test_blockio.py

@@ -16,6 +16,7 @@ setup_default_plugins()
 
 import kasten
 from onionrblocks.generators import anonvdf
+from onionrblocks import blockcreator
 from utils import identifyhome
 
 import safedb
@@ -47,6 +48,18 @@ class TestBlockIO(unittest.TestCase):
         db.close()
         _remove_db(db_file)
 
+    def test_list_blocks(self):
+        db_file = identifyhome.identify_home() + 'test.db'
+        db = safedb.SafeDB(db_file)
+        expected_list = []
+        for i in range(10):
+            bl = blockcreator.create_anonvdf_block(b'test' + int(i).to_bytes(1, 'big'), 'txt', 60)
+            blockio.store_block(bl, db)
+            expected_list.append(bl.id)
+        l = blockio.list_blocks_by_type('txt', db)
+        self.assertEqual(len(list(l)), len(expected_list))
+        for i in l:
+            self.assertIn(bytes(i), expected_list)
 
 
 unittest.main()