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Migrate mmr pallet to pallet attribute macro. (#3061)

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This commit is contained in:
Shaun Wang
2021-06-10 11:27:53 +12:00
committed by GitHub
parent b2c9305d77
commit 1a9dc0d8e9
1 changed files with 45 additions and 28 deletions
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polkadot/runtime/common/src/mmr.rs
+45 -28
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@@ -20,10 +20,11 @@ use beefy_primitives::ValidatorSetId;
use sp_core::H256;
use sp_runtime::traits::Convert;
use sp_std::prelude::*;
use frame_support::{decl_module, decl_storage, RuntimeDebug};
use frame_support::RuntimeDebug;
use pallet_mmr::primitives::LeafDataProvider;
use parity_scale_codec::{Encode, Decode};
use runtime_parachains::paras;
pub use pallet::*;
/// A BEEFY consensus digest item with MMR root hash.
pub struct DepositBeefyDigest<T>(sp_std::marker::PhantomData<T>);
@@ -95,23 +96,6 @@ pub struct BeefyNextAuthoritySet<MerkleRoot> {
type MerkleRootOf<T> = <T as pallet_mmr::Config>::Hash;
/// The module's configuration trait.
pub trait Config: pallet_mmr::Config + pallet_beefy::Config {
/// Convert BEEFY AuthorityId to a form that would end up in the Merkle Tree.
///
/// For instance for ECDSA (secp256k1) we want to store uncompressed public keys (65 bytes)
/// to simplify using them on Ethereum chain, but the rest of the Substrate codebase
/// is storing them compressed (33 bytes) for efficiency reasons.
type BeefyAuthorityToMerkleLeaf: Convert<<Self as pallet_beefy::Config>::AuthorityId, Vec<u8>>;
/// Retrieve a list of current parachain heads.
///
/// The trait is implemented for `paras` module, but since not all chains might have parachains,
/// and we want to keep the MMR leaf structure uniform, it's possible to use `()` as well to
/// simply put dummy data to the leaf.
type ParachainHeads: ParachainHeadsProvider;
}
/// A type that is able to return current list of parachain heads that end up in the MMR leaf.
pub trait ParachainHeadsProvider {
/// Return a list of encoded parachain heads.
@@ -135,18 +119,51 @@ impl<T: Config + paras::Config> ParachainHeadsProvider for paras::Pallet<T> {
}
}
decl_storage! {
trait Store for Pallet<T: Config> as Beefy {
/// Details of next BEEFY authority set.
///
/// This storage entry is used as cache for calls to [`update_beefy_next_authority_set`].
pub BeefyNextAuthorities get(fn beefy_next_authorities): BeefyNextAuthoritySet<MerkleRootOf<T>>;
}
}
#[frame_support::pallet]
pub mod pallet {
use frame_support::pallet_prelude::*;
use frame_system::pallet_prelude::*;
use super::*;
decl_module! {
pub struct Module<T: Config> for enum Call where origin: <T as frame_system::Config>::Origin {
#[pallet::pallet]
#[pallet::generate_store(pub(super) trait Store)]
pub struct Pallet<T>(_);
/// The module's configuration trait.
#[pallet::config]
#[pallet::disable_frame_system_supertrait_check]
pub trait Config: pallet_mmr::Config + pallet_beefy::Config {
/// Convert BEEFY AuthorityId to a form that would end up in the Merkle Tree.
///
/// For instance for ECDSA (secp256k1) we want to store uncompressed public keys (65 bytes)
/// to simplify using them on Ethereum chain, but the rest of the Substrate codebase
/// is storing them compressed (33 bytes) for efficiency reasons.
type BeefyAuthorityToMerkleLeaf: Convert<<Self as pallet_beefy::Config>::AuthorityId, Vec<u8>>;
/// Retrieve a list of current parachain heads.
///
/// The trait is implemented for `paras` module, but since not all chains might have parachains,
/// and we want to keep the MMR leaf structure uniform, it's possible to use `()` as well to
/// simply put dummy data to the leaf.
type ParachainHeads: ParachainHeadsProvider;
}
/// Details of next BEEFY authority set.
///
/// This storage entry is used as cache for calls to [`update_beefy_next_authority_set`].
#[pallet::storage]
#[pallet::getter(fn beefy_next_authorities)]
pub type BeefyNextAuthorities<T: Config> = StorageValue<
_,
BeefyNextAuthoritySet<MerkleRootOf<T>>,
ValueQuery,
>;
#[pallet::hooks]
impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
#[pallet::call]
impl<T: Config> Pallet<T> {}
}
impl<T: Config> LeafDataProvider for Pallet<T> where