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Don't add an address to the topology if it is already in #724

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merged 4 commits into from
Dec 4, 2018
Merged

Don't add an address to the topology if it is already in #724

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e18029f
Don't add an address to the topology if it is already in
tomaka Dec 4, 2018
d808645
Update core/src/topology/mod.rs
twittner Dec 4, 2018
e3e6ded
Merge branch 'master' into fix-topo-duplicates
tomaka Dec 4, 2018
129d46b
Merge branch 'master' into fix-topo-duplicates
tomaka Dec 4, 2018
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5 changes: 4 additions & 1 deletion core/src/topology/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,10 @@ impl MemoryTopology {
/// Adds an address to the topology.
#[inline]
pub fn add_address(&mut self, peer: PeerId, addr: Multiaddr) {
self.list.entry(peer).or_insert_with(|| Vec::new()).push(addr);
let addrs = self.list.entry(peer).or_insert_with(|| Vec::new());
if addrs.iter().all(|a| a != &addr) {
addrs.push(addr);
}
}

/// Returns a list of all the known peers in the topology.
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