Fix: cost_view (#472)

Problem: the cost view uses Mb instead of MiB and is configured for 3 Aleph/MB instead of 1 Aleph for 3MB.

Author: 1yam

deployment/migrations/versions/0018_7bcb8e5fe186_fix_vm_cost_view.py

@@ -93,7 +93,7 @@ def upgrade() -> None:
                                          JOIN files f ON file_pins.file_hash::text = f.hash::text
                                 WHERE file_pins.owner IS NOT NULL
                                 GROUP BY file_pins.owner) storage ON vm_prices.owner::text = storage.owner::text,
-                 LATERAL ( SELECT 3::numeric * storage.storage_size / 1048576::numeric AS total_storage_cost) sc,
+                 LATERAL ( SELECT storage.storage_size / (3 * 1024 * 1024) AS total_storage_cost) sc,
                  LATERAL ( SELECT COALESCE(vm_prices.total_vm_cost, 0::double precision) +
                                   COALESCE(sc.total_storage_cost, 0::numeric)::double precision AS total_cost) tc
         """

tests/api/test_balance.py

@@ -27,4 +27,4 @@ async def test_get_balance(
     assert response.status == 200, await response.text()
     data = await response.json()
     assert data["balance"] == user_balance.balance
-    assert data["locked_amount"] == 2726
+    assert data["locked_amount"] == 2720.6666666666665

tests/db/test_cost.py

@@ -207,4 +207,4 @@ def test_get_total_cost_for_address(
         total_cost: Decimal = get_total_cost_for_address(
             session=session, address=fixture_instance_message.sender
         )
-        assert total_cost == Decimal(6)
+        assert total_cost == Decimal(0.66666666666666662965923251249478198587894439697265625)