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parachain dmp.rs to Frame V2 (#3426)

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* migration

* fix warning

* change runtimes

* extra line

* another double space lol

* add dmp in test runtime

* test runtime

* Adjust visibility on storage items

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
This commit is contained in:
ferrell-code
2021-07-22 00:49:21 -04:00
committed by GitHub
parent cf904c209f
commit 18f467c865
9 changed files with 54 additions and 33 deletions
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polkadot/runtime/parachains/src/dmp.rs
+41 -21
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@@ -18,12 +18,14 @@ use crate::{
configuration::{self, HostConfiguration},
initializer,
};
use frame_support::{decl_module, decl_storage, StorageMap, weights::Weight, traits::Get};
use frame_support::pallet_prelude::*;
use sp_std::{fmt, prelude::*};
use sp_runtime::traits::{BlakeTwo256, Hash as HashT, SaturatedConversion};
use primitives::v1::{Id as ParaId, DownwardMessage, InboundDownwardMessage, Hash};
use xcm::v0::Error as XcmError;
pub use pallet::*;
/// An error sending a downward message.
#[cfg_attr(test, derive(Debug))]
pub enum QueueDownwardMessageError {
@@ -71,30 +73,49 @@ impl fmt::Debug for ProcessedDownwardMessagesAcceptanceErr {
}
}
pub trait Config: frame_system::Config + configuration::Config {}
#[frame_support::pallet]
pub mod pallet {
use super::*;
decl_storage! {
trait Store for Module<T: Config> as Dmp {
/// The downward messages addressed for a certain para.
DownwardMessageQueues: map hasher(twox_64_concat) ParaId => Vec<InboundDownwardMessage<T::BlockNumber>>;
/// A mapping that stores the downward message queue MQC head for each para.
///
/// Each link in this chain has a form:
/// `(prev_head, B, H(M))`, where
/// - `prev_head`: is the previous head hash or zero if none.
/// - `B`: is the relay-chain block number in which a message was appended.
/// - `H(M)`: is the hash of the message being appended.
DownwardMessageQueueHeads: map hasher(twox_64_concat) ParaId => Hash;
}
}
#[pallet::pallet]
#[pallet::generate_store(pub(super) trait Store)]
pub struct Pallet<T>(_);
decl_module! {
/// The DMP module.
pub struct Module<T: Config> for enum Call where origin: <T as frame_system::Config>::Origin { }
#[pallet::config]
pub trait Config: frame_system::Config + configuration::Config {}
/// The downward messages addressed for a certain para.
#[pallet::storage]
pub(crate) type DownwardMessageQueues<T: Config> = StorageMap<
_,
Twox64Concat,
ParaId,
Vec<InboundDownwardMessage<T::BlockNumber>>,
ValueQuery
>;
/// A mapping that stores the downward message queue MQC head for each para.
///
/// Each link in this chain has a form:
/// `(prev_head, B, H(M))`, where
/// - `prev_head`: is the previous head hash or zero if none.
/// - `B`: is the relay-chain block number in which a message was appended.
/// - `H(M)`: is the hash of the message being appended.
#[pallet::storage]
pub(crate) type DownwardMessageQueueHeads<T: Config> = StorageMap<
_,
Twox64Concat,
ParaId,
Hash,
ValueQuery,
>;
#[pallet::call]
impl<T: Config> Pallet<T> {}
}
/// Routines and getters related to downward message passing.
impl<T: Config> Module<T> {
impl<T: Config> Pallet<T> {
/// Block initialization logic, called by initializer.
pub(crate) fn initializer_initialize(_now: T::BlockNumber) -> Weight {
0
@@ -226,7 +247,6 @@ mod tests {
use super::*;
use hex_literal::hex;
use primitives::v1::BlockNumber;
use frame_support::traits::{OnFinalize, OnInitialize};
use parity_scale_codec::Encode;
use crate::mock::{Configuration, new_test_ext, System, Dmp, MockGenesisConfig, Paras};