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allow empty data

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thiolliere
2019-10-31 15:31:42 +01:00
parent 77868bf732
commit 8a8144502b
1 changed files with 7 additions and 0 deletions
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cumulus/network/src/lib.rs
+7
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@@ -35,6 +35,8 @@ use std::marker::PhantomData;
/// valid parachain-block candidate. /// valid parachain-block candidate.
/// Data encoding is just `GossipMessage`, the relay-chain validator candidate statement message is /// Data encoding is just `GossipMessage`, the relay-chain validator candidate statement message is
/// the justification. /// the justification.
///
/// Note: if no justification is provided the annouce is considered valid.
pub struct JustifiedBlockAnnounceValidator<B> { pub struct JustifiedBlockAnnounceValidator<B> {
authorities: Vec<ValidatorId>, authorities: Vec<ValidatorId>,
phantom: PhantomData<B>, phantom: PhantomData<B>,
@@ -53,6 +55,11 @@ impl<B: BlockT> BlockAnnounceValidator<B> for JustifiedBlockAnnounceValidator<B>
fn validate(&mut self, header: &B::Header, mut data: &[u8]) fn validate(&mut self, header: &B::Header, mut data: &[u8])
-> Result<Validation, Box<dyn std::error::Error + Send>> -> Result<Validation, Box<dyn std::error::Error + Send>>
{ {
// If no data is provided the announce is valid.
if data.is_empty() {
return Ok(Validation::Success)
}
// Check data is a gossip message. // Check data is a gossip message.
let gossip_message = GossipMessage::decode(&mut data) let gossip_message = GossipMessage::decode(&mut data)
.map_err(|_| Box::new(ClientError::BadJustification( .map_err(|_| Box::new(ClientError::BadJustification(