feat: add foreign key constraints and metrics for blockchain node

apps/wallet-daemon/tests/test_ledger.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from app.ledger_mock import SQLiteLedgerAdapter
+
+
+def test_upsert_and_get_wallet(tmp_path: Path) -> None:
+    db_path = tmp_path / "ledger.db"
+    adapter = SQLiteLedgerAdapter(db_path)
+
+    adapter.upsert_wallet("wallet-1", "pubkey", {"label": "primary"})
+
+    record = adapter.get_wallet("wallet-1")
+    assert record is not None
+    assert record.wallet_id == "wallet-1"
+    assert record.public_key == "pubkey"
+    assert record.metadata["label"] == "primary"
+
+    # Update metadata and ensure persistence
+    adapter.upsert_wallet("wallet-1", "pubkey", {"label": "updated"})
+    updated = adapter.get_wallet("wallet-1")
+    assert updated is not None
+    assert updated.metadata["label"] == "updated"
+
+
+def test_event_ordering(tmp_path: Path) -> None:
+    db_path = tmp_path / "ledger.db"
+    adapter = SQLiteLedgerAdapter(db_path)
+
+    adapter.upsert_wallet("wallet-1", "pubkey", {})
+    adapter.record_event("wallet-1", "created", {"step": 1})
+    adapter.record_event("wallet-1", "unlock", {"step": 2})
+    adapter.record_event("wallet-1", "sign", {"step": 3})
+
+    events = list(adapter.list_events("wallet-1"))
+    assert [event.event_type for event in events] == ["created", "unlock", "sign"]
+    assert [event.payload["step"] for event in events] == [1, 2, 3]