use std::path::PathBuf;
use sp_core::crypto;
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
Io(#[from] std::io::Error),
#[error(transparent)]
Cli(#[from] clap::Error),
#[error(transparent)]
Service(#[from] sc_service::Error),
#[error(transparent)]
Client(#[from] sp_blockchain::Error),
#[error(transparent)]
Codec(#[from] codec::Error),
#[error("Invalid input: {0}")]
Input(String),
#[error("Invalid listen multiaddress")]
InvalidListenMultiaddress,
#[error("Invalid URI; expecting either a secret URI or a public URI.")]
InvalidUri(crypto::PublicError),
#[error("Signature is an invalid format.")]
SignatureFormatInvalid,
#[error("Key is an invalid format.")]
KeyFormatInvalid,
#[error("Unknown key type, must be a known 4-character sequence")]
KeyTypeInvalid,
#[error("Signature verification failed")]
SignatureInvalid,
#[error("Key store operation failed")]
KeystoreOperation,
#[error("Key storage issue encountered")]
KeyStorage(#[from] sc_keystore::Error),
#[error("Invalid hexadecimal string data, {0:?}")]
HexDataConversion(array_bytes::Error),
#[error(transparent)]
Application(#[from] Box<dyn std::error::Error + Send + Sync + 'static>),
#[error(transparent)]
GlobalLoggerError(#[from] sc_tracing::logging::Error),
#[error(
"Starting an authorithy without network key in {0}.
\n This is not a safe operation because other authorities in the network may depend on your node having a stable identity.
\n Otherwise these other authorities may not being able to reach you.
\n If it is the first time running your node you could use one of the following methods:
\n 1. [Preferred] Separately generate the key with: <NODE_BINARY> key generate-node-key --base-path <YOUR_BASE_PATH>
\n 2. [Preferred] Separately generate the key with: <NODE_BINARY> key generate-node-key --file <YOUR_PATH_TO_NODE_KEY>
\n 3. [Preferred] Separately generate the key with: <NODE_BINARY> key generate-node-key --default-base-path
\n 4. [Unsafe] Pass --unsafe-force-node-key-generation and make sure you remove it for subsequent node restarts"
)]
NetworkKeyNotFound(PathBuf),
#[error("A network key already exists in path {0}")]
KeyAlreadyExistsInPath(PathBuf),
}
impl From<&str> for Error {
fn from(s: &str) -> Error {
Error::Input(s.to_string())
}
}
impl From<String> for Error {
fn from(s: String) -> Error {
Error::Input(s)
}
}
impl From<crypto::PublicError> for Error {
fn from(e: crypto::PublicError) -> Error {
Error::InvalidUri(e)
}
}
impl From<array_bytes::Error> for Error {
fn from(e: array_bytes::Error) -> Error {
Error::HexDataConversion(e)
}
}