Weights to u64 + Balances Weights (#5446)

Co-Authored-By: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

substrate/bin/node-template/pallets/template/src/mock.rs

@@ -36,6 +36,7 @@ impl system::Trait for Test {
 	type Event = ();
 	type BlockHashCount = BlockHashCount;
 	type MaximumBlockWeight = MaximumBlockWeight;
+	type DbWeight = ();
 	type MaximumBlockLength = MaximumBlockLength;
 	type AvailableBlockRatio = AvailableBlockRatio;
 	type Version = ();