Jędrzej Stuczyński
132 lines
3.7 KiB
Rust
132 lines
3.7 KiB
Rust
// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use tendermint::Hash;
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use thiserror::Error;
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use tokio::sync::mpsc::error::SendError;
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#[derive(Debug, Error)]
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pub enum ScraperError {
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#[error("experienced internal database error: {0}")]
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InternalDatabaseError(#[from] sqlx::Error),
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#[error("failed to perform startup SQL migration: {0}")]
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StartupMigrationFailure(#[from] sqlx::migrate::MigrateError),
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#[error("can't add any modules to the scraper as it's already running")]
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ScraperAlreadyRunning,
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#[error("failed to establish websocket connection to {url}: {source}")]
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WebSocketConnectionFailure {
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url: String,
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("failed to establish rpc connection to {url}: {source}")]
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HttpConnectionFailure {
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url: String,
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("failed to create chain subscription: {source}")]
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ChainSubscriptionFailure {
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("could not obtain basic block information at height: {height}: {source}")]
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BlockQueryFailure {
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height: u32,
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("could not obtain block results information at height: {height}: {source}")]
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BlockResultsQueryFailure {
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height: u32,
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("could not obtain validators information at height: {height}: {source}")]
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ValidatorsQueryFailure {
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height: u32,
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("could not obtain tx results for tx: {hash}: {source}")]
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TxResultsQueryFailure {
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hash: Hash,
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("could not obtain current abci info: {source}")]
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AbciInfoQueryFailure {
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#[source]
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source: tendermint_rpc::Error,
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},
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#[error("could not parse tx {hash}: {source}")]
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TxParseFailure {
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hash: Hash,
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#[source]
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source: cosmrs::ErrorReport,
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},
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#[error("received an invalid chain subscription event of kind {kind} while we were waiting for new block data (query: '{query}')")]
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InvalidSubscriptionEvent { query: String, kind: String },
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#[error("received block data was empty (query: '{query}')")]
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EmptyBlockData { query: String },
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#[error("reached maximum number of allowed errors for subscription events")]
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MaximumWebSocketFailures,
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#[error("failed to begin storage tx: {source}")]
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StorageTxBeginFailure {
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#[source]
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source: sqlx::Error,
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},
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#[error("failed to commit storage tx: {source}")]
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StorageTxCommitFailure {
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#[source]
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source: sqlx::Error,
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},
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#[error("failed to send on a closed channel")]
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ClosedChannelError,
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#[error("failed to parse validator's address: {source}")]
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MalformedValidatorAddress {
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#[source]
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source: eyre::Report,
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},
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#[error("failed to parse validator's address: {source}")]
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MalformedValidatorPubkey {
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#[source]
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source: eyre::Report,
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},
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#[error(
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"could not find the block proposer ('{proposer}') for height {height} in the validator set"
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)]
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BlockProposerNotInValidatorSet { height: u32, proposer: String },
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#[error(
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"could not find validator information for {address}; the validator has signed a commit"
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)]
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MissingValidatorInfoCommitted { address: String },
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}
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impl<T> From<SendError<T>> for ScraperError {
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fn from(_: SendError<T>) -> Self {
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ScraperError::ClosedChannelError
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}
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}
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