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client/authority-discovery: Terminate when network does (#5562)

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* client/authority-discovery: Add test ensure termination on network termi

* client/authority-discovery: Terminate when network does

When the dht event stream returns Poll::Ready(None) it is likely due to
the network terminating. When the network terminates due to the node
itself shutting down or due to a fatal error, there is no purpose in
continuing to run the authority discovery module.

* client/authority-discovery/src/lib: Apply suggestions

Co-Authored-By: André Silva <123550+andresilva@users.noreply.github.com>

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
This commit is contained in:
Max Inden
2020-04-09 10:34:51 +02:00
committed by GitHub
parent 8576937f44
commit 5913969f8d
3 changed files with 59 additions and 14 deletions
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substrate/client/authority-discovery/src/error.rs
+6 -3
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@@ -40,17 +40,20 @@ pub enum Error {
MatchingHashedAuthorityIdWithAuthorityId,
/// Failed to set the authority discovery peerset priority group in the peerset module.
SettingPeersetPriorityGroup(String),
/// The sender side of the dht event stream has been closed likely due to the network
/// terminating.
DhtEventStreamTerminated,
/// Failed to encode a protobuf payload.
EncodingProto(prost::EncodeError),
/// Failed to decode a protobuf payload.
DecodingProto(prost::DecodeError),
/// Failed to encode or decode scale payload
/// Failed to encode or decode scale payload.
EncodingDecodingScale(codec::Error),
/// Failed to parse a libp2p multi address.
ParsingMultiaddress(libp2p::core::multiaddr::Error),
/// Failed to sign using a specific public key
/// Failed to sign using a specific public key.
MissingSignature(CryptoTypePublicPair),
/// Failed to sign using all public keys
/// Failed to sign using all public keys.
Signing,
/// Failed to register Prometheus metric.
Prometheus(prometheus_endpoint::PrometheusError),