migration

Author: AmbientTea

demo/runtime/src/lib.rs

@@ -108,6 +108,7 @@ pub type Hash = sp_core::H256;
 pub mod opaque {
 	use super::*;
 	use authority_selection_inherents::MaybeFromCandidateKeys;
+	use pallet_session_validator_management::migrations::authority_keys::UpgradeAuthorityKeys;
 	use parity_scale_codec::MaxEncodedLen;
 	use sp_core::{ecdsa, ed25519, sr25519};
 	pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
@@ -140,6 +141,24 @@ pub mod opaque {
 			pub account: CrossChainPublic,
 		}
 	}
+
+	impl_opaque_keys! {
+		#[derive(MaxEncodedLen, PartialOrd, Ord)]
+		pub struct LegacySessionKeys {
+			pub aura: Aura,
+			pub grandpa: Grandpa,
+		}
+	}
+
+	impl UpgradeAuthorityKeys<SessionKeys> for LegacySessionKeys {
+		fn upgrade(self) -> SessionKeys {
+			SessionKeys {
+				aura: self.aura,
+				grandpa: self.grandpa,
+				beefy: ecdsa::Public::default().into(),
+			}
+		}
+	}
 }
 
 pub type CrossChainPublic = sidechain_domain::cross_chain_app::Public;
@@ -820,7 +839,15 @@ pub type UncheckedExtrinsic =
 	generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;
 /// The payload being signed in transactions.
 pub type SignedPayload = generic::SignedPayload<RuntimeCall, SignedExtra>;
-pub type Migrations = ();
+pub type Migrations = (
+	pallet_session_validator_management::migrations::v1::LegacyToV1Migration<Runtime>,
+	pallet_session_validator_management::migrations::authority_keys::AuthorityKeysMigration<
+		Runtime,
+		opaque::LegacySessionKeys,
+		0,
+		1,
+	>, // More migrations can be added here
+);
 /// Executive: handles dispatch to the various modules.
 pub type Executive = frame_executive::Executive<
 	Runtime,