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verify messages delivery proofs (#482)

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This commit is contained in:
Svyatoslav Nikolsky
2020-11-06 07:05:05 +03:00
committed by Bastian Köcher
parent cac8319480
commit 3d24a4e34e
4 changed files with 67 additions and 13 deletions
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bridges/bin/rialto/runtime/src/millau_messages.rs
+7 -5
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@@ -30,7 +30,6 @@ use frame_support::{
RuntimeDebug,
};
use sp_core::storage::StorageKey;
use sp_trie::StorageProof;
/// Storage key of the Rialto -> Millau message in the runtime storage.
pub fn message_key(lane: &LaneId, nonce: MessageNonce) -> StorageKey {
@@ -73,6 +72,9 @@ pub type FromMillauMessageDispatch = messages::target::FromBridgedChainMessageDi
/// Messages proof for Millau -> Rialto messages.
type FromMillauMessagesProof = messages::target::FromBridgedChainMessagesProof<WithMillauMessageBridge>;
/// Messages delivery proof for Rialto -> Millau messages.
type ToMillauMessagesDeliveryProof = messages::source::FromBridgedChainMessagesDeliveryProof<WithMillauMessageBridge>;
/// Millau <-> Rialto message bridge.
#[derive(RuntimeDebug, Clone, Copy)]
pub struct WithMillauMessageBridge;
@@ -155,7 +157,7 @@ impl TargetHeaderChain<ToMillauMessagePayload, bp_millau::AccountId> for Millau
// - hash of the header this proof has been created with;
// - the storage proof of one or several keys;
// - id of the lane we prove state of.
type MessagesDeliveryProof = (bp_millau::Hash, StorageProof, LaneId);
type MessagesDeliveryProof = ToMillauMessagesDeliveryProof;
fn verify_message(payload: &ToMillauMessagePayload) -> Result<(), Self::Error> {
if payload.weight > WithMillauMessageBridge::maximal_dispatch_weight_of_message_on_bridged_chain() {
@@ -166,9 +168,9 @@ impl TargetHeaderChain<ToMillauMessagePayload, bp_millau::AccountId> for Millau
}
fn verify_messages_delivery_proof(
_proof: Self::MessagesDeliveryProof,
) -> Result<(LaneId, InboundLaneData<bp_millau::AccountId>), Self::Error> {
unimplemented!("https://github.com/paritytech/parity-bridges-common/issues/397")
proof: Self::MessagesDeliveryProof,
) -> Result<(LaneId, InboundLaneData<bp_rialto::AccountId>), Self::Error> {
messages::source::verify_messages_delivery_proof::<WithMillauMessageBridge, Runtime>(proof)
}
}