Add managed account seed management

src/tests/test_managed_account_entry.py

@@ -0,0 +1,50 @@
+import sys
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+from helpers import create_vault, TEST_SEED, TEST_PASSWORD
+from utils.fingerprint import generate_fingerprint
+
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+
+from password_manager.entry_management import EntryManager
+from password_manager.backup import BackupManager
+from password_manager.config_manager import ConfigManager
+from password_manager.password_generation import derive_seed_phrase
+from local_bip85.bip85 import BIP85
+from bip_utils import Bip39SeedGenerator
+
+
+def setup_mgr(tmp_path: Path) -> EntryManager:
+    vault, _ = create_vault(tmp_path, TEST_SEED, TEST_PASSWORD)
+    cfg = ConfigManager(vault, tmp_path)
+    backup = BackupManager(tmp_path, cfg)
+    return EntryManager(vault, backup)
+
+
+def test_add_and_get_managed_account_seed():
+    with TemporaryDirectory() as tmpdir:
+        tmp_path = Path(tmpdir)
+        mgr = setup_mgr(tmp_path)
+
+        idx = mgr.add_managed_account("acct", TEST_SEED, word_count=12)
+        entry = mgr.retrieve_entry(idx)
+        assert entry["type"] == "managed_account"
+        assert entry["kind"] == "managed_account"
+        assert entry["index"] == idx
+        assert entry["label"] == "acct"
+        assert entry["word_count"] == 12
+        assert entry["archived"] is False
+        fp = entry.get("fingerprint")
+        assert fp
+        assert (tmp_path / "accounts" / fp).exists()
+
+        phrase_a = mgr.get_managed_account_seed(idx, TEST_SEED)
+        phrase_b = mgr.get_managed_account_seed(idx, TEST_SEED)
+        assert phrase_a == phrase_b
+
+        seed_bytes = Bip39SeedGenerator(TEST_SEED).Generate()
+        bip85 = BIP85(seed_bytes)
+        expected = derive_seed_phrase(bip85, idx, 12)
+        assert phrase_a == expected
+        assert generate_fingerprint(phrase_a) == fp