sc_network_gossip

Trait Validator

source 
pub trait Validator<B: BlockT>: Send + Sync {
    // Required method
    fn validate(
        &self,
        context: &mut dyn ValidatorContext<B>,
        sender: &PeerId,
        data: &[u8],
    ) -> ValidationResult<B::Hash>;

    // Provided methods
    fn new_peer(
        &self,
        _context: &mut dyn ValidatorContext<B>,
        _who: &PeerId,
        _role: ObservedRole,
    ) { ... }
    fn peer_disconnected(
        &self,
        _context: &mut dyn ValidatorContext<B>,
        _who: &PeerId,
    ) { ... }
    fn message_expired<'a>(
        &'a self,
    ) -> Box<dyn FnMut(B::Hash, &[u8]) -> bool + 'a> { ... }
    fn message_allowed<'a>(
        &'a self,
    ) -> Box<dyn FnMut(&PeerId, MessageIntent, &B::Hash, &[u8]) -> bool + 'a> { ... }
}
Expand description

Validates consensus messages.

Required Methods§

source

fn validate( &self, context: &mut dyn ValidatorContext<B>, sender: &PeerId, data: &[u8], ) -> ValidationResult<B::Hash>

Validate consensus message.

Provided Methods§

source

fn new_peer( &self, _context: &mut dyn ValidatorContext<B>, _who: &PeerId, _role: ObservedRole, )

New peer is connected.

source

fn peer_disconnected( &self, _context: &mut dyn ValidatorContext<B>, _who: &PeerId, )

New connection is dropped.

source

fn message_expired<'a>(&'a self) -> Box<dyn FnMut(B::Hash, &[u8]) -> bool + 'a>

Produce a closure for validating messages on a given topic.

source

fn message_allowed<'a>( &'a self, ) -> Box<dyn FnMut(&PeerId, MessageIntent, &B::Hash, &[u8]) -> bool + 'a>

Produce a closure for filtering egress messages.

Implementors§