pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error("Received dht value found event with records with different keys.")]
ReceivingDhtValueFoundEventWithDifferentKeys,
#[error("Received dht value found event with no records.")]
ReceivingDhtValueFoundEventWithNoRecords,
#[error("Failed to verify a dht payload with the given signature.")]
VerifyingDhtPayload,
#[error("Failed to hash the authority id to be used as a dht key.")]
HashingAuthorityId(#[from] sc_network_types::multihash::Error),
#[error("Failed calling into the Substrate runtime: {0}")]
CallingRuntime(#[from] sp_blockchain::Error),
#[error("Received a dht record with a key that does not match any in-flight awaited keys.")]
ReceivingUnexpectedRecord,
#[error("Failed to encode a protobuf payload.")]
EncodingProto(#[from] prost::EncodeError),
#[error("Failed to decode a protobuf payload.")]
DecodingProto(#[from] prost::DecodeError),
#[error("Failed to encode or decode scale payload.")]
EncodingDecodingScale(#[from] codec::Error),
#[error("Failed to parse a libp2p multi address.")]
ParsingMultiaddress(#[from] sc_network::multiaddr::ParseError),
#[error("Failed to parse a libp2p key: {0}")]
ParsingLibp2pIdentity(String),
#[error("Failed to sign: {0}.")]
CannotSign(String),
#[error("Failed to register Prometheus metric.")]
Prometheus(#[from] prometheus_endpoint::PrometheusError),
#[error("Received authority record that contains addresses with multiple peer ids")]
ReceivingDhtValueFoundEventWithDifferentPeerIds,
#[error("Received authority record without any addresses having a peer id")]
ReceivingDhtValueFoundEventWithNoPeerIds,
#[error("Received authority record without a valid signature for the remote peer id.")]
MissingPeerIdSignature,
#[error("Unable to fetch best block.")]
BestBlockFetchingError,
#[error("Publisher not present.")]
MissingPublisher,
#[error("Unknown authority.")]
UnknownAuthority,
}