Add integrity check for signed extensions (#1780)

* Add integrity check for signed extensions

* Remove unneeded type specification

bridges/primitives/chain-rialto-parachain/Cargo.toml

@@ -11,6 +11,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 # Bridge Dependencies
 
 bp-messages = { path = "../messages", default-features = false }
+bp-polkadot-core = { path = "../polkadot-core", default-features = false }
 bp-runtime = { path = "../runtime", default-features = false }
 
 # Substrate Based Dependencies

bridges/primitives/chain-rialto-parachain/src/lib.rs

@@ -133,6 +133,8 @@ impl Parachain for RialtoParachain {
 	const PARACHAIN_ID: u32 = RIALTO_PARACHAIN_ID;
 }
 
+pub use bp_polkadot_core::DefaultSignedExtension as SignedExtension;
+
 frame_support::parameter_types! {
 	pub BlockLength: limits::BlockLength =
 		limits::BlockLength::max_with_normal_ratio(5 * 1024 * 1024, NORMAL_DISPATCH_RATIO);