Replace last usages of <() as PalletInfo> in substrate (#8080)

* replace last occurences

* Update frame/support/src/traits.rs

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

* Update frame/support/test/src/lib.rs

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

* fix dispatch test

* move PanicPalletInfo to tests module

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

substrate/frame/support/test/src/lib.rs

@@ -41,3 +41,15 @@ frame_support::decl_module! {
 	/// Some test module
 	pub struct Module<T: Config> for enum Call where origin: T::Origin, system=self {}
 }
+
+/// A PalletInfo implementation which just panics.
+pub struct PanicPalletInfo;
+
+impl frame_support::traits::PalletInfo for PanicPalletInfo {
+	fn index<P: 'static>() -> Option<usize> {
+		unimplemented!("PanicPalletInfo mustn't be triggered by tests");
+	}
+	fn name<P: 'static>() -> Option<&'static str> {
+		unimplemented!("PanicPalletInfo mustn't be triggered by tests");
+	}
+}

substrate/frame/support/test/tests/decl_storage.rs

@@ -84,7 +84,7 @@ mod tests {
 	impl frame_support_test::Config for TraitImpl {
 		type Origin = u32;
 		type BlockNumber = u32;
-		type PalletInfo = ();
+		type PalletInfo = frame_support_test::PanicPalletInfo;
 		type DbWeight = ();
 	}
 
@@ -441,7 +441,7 @@ mod test2 {
 	impl frame_support_test::Config for TraitImpl {
 		type Origin = u32;
 		type BlockNumber = u32;
-		type PalletInfo = ();
+		type PalletInfo = frame_support_test::PanicPalletInfo;
 		type DbWeight = ();
 	}
 
@@ -469,7 +469,7 @@ mod test3 {
 	impl frame_support_test::Config for TraitImpl {
 		type Origin = u32;
 		type BlockNumber = u32;
-		type PalletInfo = ();
+		type PalletInfo = frame_support_test::PanicPalletInfo;
 		type DbWeight = ();
 	}
 
@@ -514,7 +514,7 @@ mod test_append_and_len {
 	impl frame_support_test::Config for Test {
 		type Origin = u32;
 		type BlockNumber = u32;
-		type PalletInfo = ();
+		type PalletInfo = frame_support_test::PanicPalletInfo;
 		type DbWeight = ();
 	}
 

substrate/frame/support/test/tests/genesisconfig.rs

@@ -32,7 +32,7 @@ struct Test;
 impl frame_support_test::Config for Test {
 	type BlockNumber = u32;
 	type Origin = ();
-	type PalletInfo = ();
+	type PalletInfo = frame_support_test::PanicPalletInfo;
 	type DbWeight = ();
 }
 

substrate/frame/support/test/tests/instance.rs

@@ -253,7 +253,7 @@ impl system::Config for Runtime {
 	type BlockNumber = BlockNumber;
 	type AccountId = AccountId;
 	type Event = Event;
-	type PalletInfo = ();
+	type PalletInfo = PalletInfo;
 	type Call = Call;
 	type DbWeight = ();
 }

substrate/frame/support/test/tests/issue2219.rs

@@ -164,7 +164,7 @@ impl system::Config for Runtime {
 	type BlockNumber = BlockNumber;
 	type AccountId = AccountId;
 	type Event = Event;
-	type PalletInfo = ();
+	type PalletInfo = PalletInfo;
 	type Call = Call;
 	type DbWeight = ();
 }

substrate/frame/support/test/tests/pallet_with_name_trait_is_valid.rs

@@ -135,7 +135,7 @@ mod tests {
 		type BlockWeights = ();
 		type BlockLength = ();
 		type Version = ();
-		type PalletInfo = ();
+		type PalletInfo = PalletInfo;
 		type AccountData = ();
 		type OnNewAccount = ();
 		type OnKilledAccount = ();

substrate/frame/support/test/tests/storage_transaction.rs

@@ -53,7 +53,7 @@ struct Runtime;
 impl frame_support_test::Config for Runtime {
 	type Origin = u32;
 	type BlockNumber = u32;
-	type PalletInfo = ();
+	type PalletInfo = frame_support_test::PanicPalletInfo;
 	type DbWeight = ();
 }