mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Replace error-chain for client error (#2231)
* WIP: convert client error * Remove error_chain for client error * Ignore tx-pool error deprecation warning * Update Cargo.lock files * Fix tests * Increment impl_version * Derive From impls, remove allow(missing_docs) * Remove space * Remove redundant into()s * Blockchain Error source * Bump impl version
This commit is contained in:
Andrew Jones
committed by
Bastian Köcher
Bastian Köcher
parent
1e0c1d8850
commit
7f59cdb900
@@ -16,159 +16,117 @@
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//! Substrate client possible errors.
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// Silence: `use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting`
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// https://github.com/paritytech/substrate/issues/1547
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#![allow(deprecated)]
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#![allow(missing_docs)]
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use std;
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use std::{self, error, result};
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use state_machine;
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use runtime_primitives::ApplyError;
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use consensus;
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use error_chain::*;
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use derive_more::{Display, From};
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error_chain! {
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links {
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Consensus(consensus::Error, consensus::ErrorKind);
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}
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errors {
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/// Backend error.
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Backend(s: String) {
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description("Unrecoverable backend error"),
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display("Backend error: {}", s),
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}
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/// Client Result type alias
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pub type Result<T> = result::Result<T, Error>;
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/// Unknown block.
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UnknownBlock(h: String) {
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description("unknown block"),
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display("UnknownBlock: {}", &*h),
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}
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/// Substrate Client error
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#[derive(Debug, Display, From)]
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pub enum Error {
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/// Consensus Error
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#[display(fmt = "Consensus: {}", _0)]
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Consensus(consensus::Error),
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/// Backend error.
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#[display(fmt = "Backend error: {}", _0)]
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Backend(String),
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/// Unknown block.
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#[display(fmt = "UnknownBlock: {}", _0)]
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UnknownBlock(String),
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/// Applying extrinsic error.
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#[display(fmt = "Extrinsic error: {:?}", _0)]
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ApplyExtrinsicFailed(ApplyError),
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/// Execution error.
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#[display(fmt = "Execution: {}", _0)]
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Execution(Box<state_machine::Error>),
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/// Blockchain error.
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#[display(fmt = "Blockchain: {}", _0)]
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Blockchain(Box<Error>),
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/// Invalid authorities set received from the runtime.
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#[display(fmt = "Current state of blockchain has invalid authorities set")]
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InvalidAuthoritiesSet,
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/// Could not get runtime version.
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#[display(fmt = "On-chain runtime does not specify version")]
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VersionInvalid,
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/// Genesis config is invalid.
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#[display(fmt = "Genesis config provided is invalid")]
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GenesisInvalid,
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/// Bad justification for header.
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#[display(fmt = "bad justification for header: {}", _0)]
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BadJustification(String),
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/// Not available on light client.
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#[display(fmt = "This method is not currently available when running in light client mode")]
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NotAvailableOnLightClient,
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/// Invalid remote CHT-based proof.
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#[display(fmt = "Remote node has responded with invalid header proof")]
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InvalidCHTProof,
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/// Remote fetch has been cancelled.
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#[display(fmt = "Remote data fetch has been cancelled")]
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RemoteFetchCancelled,
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/// Remote fetch has been failed.
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#[display(fmt = "Remote data fetch has been failed")]
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RemoteFetchFailed,
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/// Error decoding call result.
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#[display(fmt = "Error decoding call result of {}", _0)]
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CallResultDecode(&'static str),
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/// Error converting a parameter between runtime and node.
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#[display(fmt = "Error converting `{}` between runtime and node", _0)]
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RuntimeParamConversion(&'static str),
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/// Changes tries are not supported.
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#[display(fmt = "Changes tries are not supported by the runtime")]
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ChangesTriesNotSupported,
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/// Key changes query has failed.
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#[display(fmt = "Failed to check changes proof: {}", _0)]
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ChangesTrieAccessFailed(String),
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/// Last finalized block not parent of current.
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#[display(fmt = "Did not finalize blocks in sequential order.")]
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NonSequentialFinalization(String),
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/// Safety violation: new best block not descendent of last finalized.
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#[display(fmt = "Potential long-range attack: block not in finalized chain.")]
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NotInFinalizedChain,
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/// Hash that is required for building CHT is missing.
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#[display(fmt = "Failed to get hash of block#{} for building CHT#{}", _0, _1)]
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MissingHashRequiredForCHT(u64, u64),
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/// A convenience variant for String
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#[display(fmt = "{}", _0)]
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Msg(String),
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}
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/// Applying extrinsic error.
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ApplyExtrinsicFailed(e: ApplyError) {
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description("Extrinsic error"),
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display("Extrinsic error: {:?}", e),
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}
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/// Execution error.
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Execution(e: Box<state_machine::Error>) {
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description("execution error"),
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display("Execution: {}", e),
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}
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/// Blockchain error.
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Blockchain(e: Box<std::error::Error + Send>) {
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description("Blockchain error"),
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display("Blockchain: {}", e),
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}
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/// Could not get runtime version.
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VersionInvalid {
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description("Runtime version error"),
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display("On-chain runtime does not specify version"),
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}
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/// Genesis config is invalid.
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GenesisInvalid {
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description("Genesis config error"),
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display("Genesis config provided is invalid"),
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}
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/// Bad justification for header.
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BadJustification(h: String) {
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description("bad justification for header"),
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display("bad justification for header: {}", &*h),
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}
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/// Not available on light client.
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NotAvailableOnLightClient {
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description("not available on light client"),
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display("This method is not currently available when running in light client mode"),
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}
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/// Invalid remote CHT-based proof.
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InvalidCHTProof {
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description("invalid header proof"),
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display("Remote node has responded with invalid header proof"),
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}
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/// Remote fetch has been cancelled.
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RemoteFetchCancelled {
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description("remote fetch cancelled"),
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display("Remote data fetch has been cancelled"),
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}
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/// Remote fetch has been failed.
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RemoteFetchFailed {
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description("remote fetch failed"),
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display("Remote data fetch has been failed"),
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}
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/// Error decoding call result.
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CallResultDecode(method: &'static str) {
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description("Error decoding call result")
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display("Error decoding call result of {}", method)
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}
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/// Error converting a parameter between runtime and node.
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RuntimeParamConversion(param: &'static str) {
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description("Error converting parameter between runtime and node")
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display("Error converting `{}` between runtime and node", param)
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}
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/// Changes tries are not supported.
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ChangesTriesNotSupported {
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description("changes tries are not supported"),
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display("Changes tries are not supported by the runtime"),
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}
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/// Key changes query has failed.
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ChangesTrieAccessFailed(e: String) {
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description("invalid changes proof"),
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display("Failed to check changes proof: {}", e),
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}
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/// Last finalized block not parent of current.
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NonSequentialFinalization(s: String) {
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description("Did not finalize blocks in sequential order."),
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display("Did not finalize blocks in sequential order."),
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}
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/// Safety violation: new best block not descendent of last finalized.
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NotInFinalizedChain {
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description("Potential long-range attack: block not in finalized chain."),
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display("Potential long-range attack: block not in finalized chain."),
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}
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/// Hash that is required for building CHT is missing.
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MissingHashRequiredForCHT(cht_num: u64, block_number: u64) {
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description("missed hash required for building CHT"),
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display("Failed to get hash of block#{} for building CHT#{}", block_number, cht_num),
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impl error::Error for Error {
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fn source(&self) -> Option<&(error::Error + 'static)> {
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match self {
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Error::Consensus(e) => Some(e),
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Error::Blockchain(e) => Some(e),
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_ => None,
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}
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}
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}
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impl From<Box<state_machine::Error>> for Error {
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fn from(e: Box<state_machine::Error>) -> Self {
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ErrorKind::Execution(e).into()
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impl From<String> for Error {
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fn from(s: String) -> Self {
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Error::Msg(s)
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}
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}
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impl From<state_machine::backend::Void> for Error {
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fn from(e: state_machine::backend::Void) -> Self {
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match e {}
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impl<'a> From<&'a str> for Error {
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fn from(s: &'a str) -> Self {
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Error::Msg(s.into())
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}
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}
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impl Error {
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/// Chain a blockchain error.
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pub fn from_blockchain(e: Box<std::error::Error + Send>) -> Self {
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ErrorKind::Blockchain(e).into()
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pub fn from_blockchain(e: Box<Error>) -> Self {
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Error::Blockchain(e)
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}
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/// Chain a state error.
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pub fn from_state(e: Box<state_machine::Error + Send>) -> Self {
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ErrorKind::Execution(e).into()
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Error::Execution(e)
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}
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}
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