contracts: Allow contracts to dispatch calls into the runtime (#9276)

* contracts: Allow contracts to dispatch calls into the runtime

* Fix RPC tests

* Fix typo

* Replace () by AllowAllFilter and DenyAllFilter

* Add rust doc

* Fixup for `()` removal

* Fix lowest gas calculation

* Rename AllowAllFilter and DenyAllFilter

* Updated changelog

substrate/frame/balances/src/tests_composite.rs

@@ -54,7 +54,7 @@ parameter_types! {
 	pub static ExistentialDeposit: u64 = 0;
 }
 impl frame_system::Config for Test {
-	type BaseCallFilter = ();
+	type BaseCallFilter = frame_support::traits::AllowAll;
 	type BlockWeights = BlockWeights;
 	type BlockLength = ();
 	type DbWeight = ();

substrate/frame/balances/src/tests_local.rs

@@ -56,7 +56,7 @@ parameter_types! {
 	pub static ExistentialDeposit: u64 = 0;
 }
 impl frame_system::Config for Test {
-	type BaseCallFilter = ();
+	type BaseCallFilter = frame_support::traits::AllowAll;
 	type BlockWeights = BlockWeights;
 	type BlockLength = ();
 	type DbWeight = ();

substrate/frame/balances/src/tests_reentrancy.rs

@@ -64,7 +64,7 @@ parameter_types! {
 	pub static ExistentialDeposit: u64 = 0;
 }
 impl frame_system::Config for Test {
-	type BaseCallFilter = ();
+	type BaseCallFilter = frame_support::traits::AllowAll;
 	type BlockWeights = BlockWeights;
 	type BlockLength = ();
 	type DbWeight = ();