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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/millau/runtime/src/rialto_messages.rs
+11 -6
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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 Millau -> Rialto message in the runtime storage.
pub fn message_key(lane: &LaneId, nonce: MessageNonce) -> StorageKey {
@@ -63,6 +62,12 @@ pub type ToRialtoMessageVerifier = messages::source::FromThisChainMessageVerifie
/// Message payload for Rialto -> Millau messages.
pub type FromRialtoMessagePayload = messages::target::FromBridgedChainMessagePayload<WithRialtoMessageBridge>;
/// Messages proof for Rialto -> Millau messages.
type FromRialtoMessagesProof = messages::target::FromBridgedChainMessagesProof<WithRialtoMessageBridge>;
/// Messages delivery proof for Millau -> Rialto messages.
type ToRialtoMessagesDeliveryProof = messages::source::FromBridgedChainMessagesDeliveryProof<WithRialtoMessageBridge>;
/// Call-dispatch based message dispatch for Rialto -> Millau messages.
pub type FromRialtoMessageDispatch = messages::target::FromBridgedChainMessageDispatch<
WithRialtoMessageBridge,
@@ -152,7 +157,7 @@ impl TargetHeaderChain<ToRialtoMessagePayload, bp_rialto::AccountId> for Rialto
// - hash of the header this proof has been created with;
// - the storage proof or one or several keys;
// - id of the lane we prove state of.
type MessagesDeliveryProof = (bp_rialto::Hash, StorageProof, LaneId);
type MessagesDeliveryProof = ToRialtoMessagesDeliveryProof;
fn verify_message(payload: &ToRialtoMessagePayload) -> Result<(), Self::Error> {
if payload.weight > WithRialtoMessageBridge::maximal_dispatch_weight_of_message_on_bridged_chain() {
@@ -163,9 +168,9 @@ impl TargetHeaderChain<ToRialtoMessagePayload, bp_rialto::AccountId> for Rialto
}
fn verify_messages_delivery_proof(
_proof: Self::MessagesDeliveryProof,
) -> Result<(LaneId, InboundLaneData<bp_rialto::AccountId>), Self::Error> {
unimplemented!("https://github.com/paritytech/parity-bridges-common/issues/397")
proof: Self::MessagesDeliveryProof,
) -> Result<(LaneId, InboundLaneData<bp_millau::AccountId>), Self::Error> {
messages::source::verify_messages_delivery_proof::<WithRialtoMessageBridge, Runtime>(proof)
}
}
@@ -176,7 +181,7 @@ impl SourceHeaderChain<bp_rialto::Balance> for Rialto {
// - the storage proof or one or several keys;
// - id of the lane we prove messages for;
// - inclusive range of messages nonces that are proved.
type MessagesProof = (bp_rialto::Hash, StorageProof, LaneId, MessageNonce, MessageNonce);
type MessagesProof = FromRialtoMessagesProof;
fn verify_messages_proof(
_proof: Self::MessagesProof,