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reject too large (by size) messages (#551)

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This commit is contained in:
Svyatoslav Nikolsky
2020-12-04 14:14:39 +03:00
committed by Bastian Köcher
parent f1949c6342
commit 81a3e7cce3
7 changed files with 127 additions and 17 deletions
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bridges/bin/millau/runtime/src/lib.rs
+1 -1
View File
@@ -153,7 +153,7 @@ parameter_types! {
pub const ExtrinsicBaseWeight: Weight = 10_000_000;
pub const AvailableBlockRatio: Perbill = Perbill::from_percent(bp_millau::AVAILABLE_BLOCK_RATIO);
pub MaximumExtrinsicWeight: Weight = bp_millau::MAXIMUM_EXTRINSIC_WEIGHT;
pub const MaximumBlockLength: u32 = 5 * 1024 * 1024;
pub const MaximumBlockLength: u32 = bp_millau::MAXIMUM_BLOCK_SIZE;
pub const Version: RuntimeVersion = VERSION;
pub const DbWeight: RuntimeDbWeight = RuntimeDbWeight {
read: 60_000_000, // ~0.06 ms = ~60 µs
bridges/bin/millau/runtime/src/rialto_messages.rs
+5 -6
View File
@@ -88,6 +88,10 @@ impl MessageBridge for WithRialtoMessageBridge {
type ThisChain = Millau;
type BridgedChain = Rialto;
fn maximal_extrinsic_size_on_target_chain() -> u32 {
bp_rialto::MAXIMUM_EXTRINSIC_SIZE
}
fn weight_limits_of_message_on_bridged_chain(message_payload: &[u8]) -> RangeInclusive<Weight> {
// we don't want to relay too large messages + keep reserve for future upgrades
let upper_limit = bp_rialto::MAXIMUM_EXTRINSIC_WEIGHT / 2;
@@ -167,12 +171,7 @@ impl TargetHeaderChain<ToRialtoMessagePayload, bp_rialto::AccountId> for Rialto
type MessagesDeliveryProof = ToRialtoMessagesDeliveryProof;
fn verify_message(payload: &ToRialtoMessagePayload) -> Result<(), Self::Error> {
let weight_limits = WithRialtoMessageBridge::weight_limits_of_message_on_bridged_chain(&payload.call);
if !weight_limits.contains(&payload.weight) {
return Err("Incorrect message weight declared");
}
Ok(())
messages::source::verify_chain_message::<WithRialtoMessageBridge>(payload)
}
fn verify_messages_delivery_proof(