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crate::ix!();
pub trait SetupAddressRelay {
fn setup_address_relay(self: Arc<Self>,
node: &dyn NodeInterface,
peer: &mut Peer) -> bool;
}
impl SetupAddressRelay for PeerManager {
/**
| Checks if address relay is permitted
| with peer. If needed, initializes the
| m_addr_known bloom filter and sets
| m_addr_relay_enabled to true.
|
|
| -----------
| @return
|
| True if address relay is enabled with
| peer
|
| False if address relay is disallowed
|
*/
fn setup_address_relay(self: Arc<Self>,
node: &dyn NodeInterface,
peer: &mut Peer) -> bool {
// We don't participate in addr relay with
// outbound block-relay-only connections
// to prevent providing adversaries with
// the additional information of addr
// traffic to infer the link.
if node.is_block_only_conn() {
return false;
}
if !peer.addr_relay_enabled.swap(true, atomic::Ordering::Relaxed) {
// First addr message we have received
// from the peer, initialize
// m_addr_known
peer.addr_known = Some(RollingBloomFilter::new(5000,0.001));
}
true
}
}