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Move storage keys computation to the message-lane pallet (#478)

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* compute required storage keys in the message-lane pallet

* Update modules/message-lane/src/lib.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>
This commit is contained in:
Svyatoslav Nikolsky
2020-11-05 11:18:38 +03:00
committed by Bastian Köcher
parent 2d7eacf6e2
commit 804ef55146
6 changed files with 140 additions and 21 deletions
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bridges/bin/runtime-common/src/messages.rs
+28 -1
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@@ -28,9 +28,10 @@ use bp_message_lane::{
};
use bp_runtime::InstanceId;
use codec::{Compact, Decode, Input};
use frame_support::RuntimeDebug;
use frame_support::{traits::Instance, RuntimeDebug};
use sp_runtime::traits::{CheckedAdd, CheckedDiv, CheckedMul};
use sp_std::{cmp::PartialOrd, marker::PhantomData, vec::Vec};
use sp_trie::StorageProof;
/// Bidirectional message bridge.
pub trait MessageBridge {
@@ -73,6 +74,8 @@ pub trait MessageBridge {
/// Chain that has `message-lane` and `call-dispatch` modules.
pub trait ChainWithMessageLanes {
/// Hash used in the chain.
type Hash: Decode;
/// Accound id on the chain.
type AccountId;
/// Public key of the chain account that may be used to verify signatures.
@@ -88,10 +91,14 @@ pub trait ChainWithMessageLanes {
type Weight: From<frame_support::weights::Weight>;
/// Type of balances that is used on the chain.
type Balance: CheckedAdd + CheckedDiv + CheckedMul + PartialOrd + From<u32> + Copy;
/// Instance of the message-lane pallet.
type MessageLaneInstance: Instance;
}
pub(crate) type ThisChain<B> = <B as MessageBridge>::ThisChain;
pub(crate) type BridgedChain<B> = <B as MessageBridge>::BridgedChain;
pub(crate) type HashOf<C> = <C as ChainWithMessageLanes>::Hash;
pub(crate) type AccountIdOf<C> = <C as ChainWithMessageLanes>::AccountId;
pub(crate) type SignerOf<C> = <C as ChainWithMessageLanes>::Signer;
pub(crate) type SignatureOf<C> = <C as ChainWithMessageLanes>::Signature;
@@ -202,6 +209,20 @@ pub mod target {
CallOf<ThisChain<B>>,
>;
/// Messages proof from bridged chain:
///
/// - hash of finalized header;
/// - storage proof of messages and (optionally) outbound lane state;
/// - lane id;
/// - nonces (inclusive range) of messages which are included in this proof.
pub type FromBridgedChainMessagesProof<B> = (
HashOf<BridgedChain<B>>,
StorageProof,
LaneId,
MessageNonce,
MessageNonce,
);
/// Message payload for Bridged -> This messages.
pub struct FromBridgedChainMessagePayload<B: MessageBridge>(pub(crate) FromBridgedChainDecodedMessagePayload<B>);
@@ -450,23 +471,29 @@ mod tests {
struct ThisChain;
impl ChainWithMessageLanes for ThisChain {
type Hash = ();
type AccountId = ThisChainAccountId;
type Signer = ThisChainSigner;
type Signature = ThisChainSignature;
type Call = ThisChainCall;
type Weight = frame_support::weights::Weight;
type Balance = ThisChainBalance;
type MessageLaneInstance = pallet_message_lane::DefaultInstance;
}
struct BridgedChain;
impl ChainWithMessageLanes for BridgedChain {
type Hash = ();
type AccountId = BridgedChainAccountId;
type Signer = BridgedChainSigner;
type Signature = BridgedChainSignature;
type Call = BridgedChainCall;
type Weight = frame_support::weights::Weight;
type Balance = BridgedChainBalance;
type MessageLaneInstance = pallet_message_lane::DefaultInstance;
}
#[test]