mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Max Inden
6bd93825ca
* client/authority-discovery: Rework error handling Instead of `handle_dht_events` returning a `Result<(), Error>`, return a `Poll<Error>` where `Poll::Pending` signals that there are no more events to handle and `Poll::Ready(Error)` signals that a fatal error occured. Non fatal errors are handled within `handle_dht_events` directly, thus looping in `poll` is not necessary anymore. * client/authority-discovery: Return () instead of error on termiantion * Update client/authority-discovery/src/lib.rs Co-Authored-By: André Silva <123550+andresilva@users.noreply.github.com> Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
58 lines
2.5 KiB
Rust
58 lines
2.5 KiB
Rust
// Copyright 2019-2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Authority discovery errors.
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use sp_core::crypto::CryptoTypePublicPair;
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/// AuthorityDiscovery Result.
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pub type Result<T> = std::result::Result<T, Error>;
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/// Error type for the authority discovery module.
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#[derive(Debug, derive_more::Display, derive_more::From)]
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pub enum Error {
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/// Received dht value found event with records with different keys.
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ReceivingDhtValueFoundEventWithDifferentKeys,
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/// Received dht value found event with no records.
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ReceivingDhtValueFoundEventWithNoRecords,
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/// Failed to verify a dht payload with the given signature.
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VerifyingDhtPayload,
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/// Failed to hash the authority id to be used as a dht key.
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HashingAuthorityId(libp2p::core::multiaddr::multihash::EncodeError),
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/// Failed calling into the Substrate runtime.
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CallingRuntime(sp_blockchain::Error),
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/// From the Dht we only get the hashed authority id. In order to retrieve the actual authority id and to ensure it
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/// is actually an authority, we match the hash against the hash of the authority id of all other authorities. This
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/// error is the result of the above failing.
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MatchingHashedAuthorityIdWithAuthorityId,
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/// Failed to set the authority discovery peerset priority group in the peerset module.
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SettingPeersetPriorityGroup(String),
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/// Failed to encode a protobuf payload.
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EncodingProto(prost::EncodeError),
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/// Failed to decode a protobuf payload.
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DecodingProto(prost::DecodeError),
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/// Failed to encode or decode scale payload.
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EncodingDecodingScale(codec::Error),
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/// Failed to parse a libp2p multi address.
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ParsingMultiaddress(libp2p::core::multiaddr::Error),
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/// Failed to sign using a specific public key.
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MissingSignature(CryptoTypePublicPair),
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/// Failed to sign using all public keys.
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Signing,
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/// Failed to register Prometheus metric.
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Prometheus(prometheus_endpoint::PrometheusError),
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}
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