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improve error handling in cli (#7436)

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* other error variant should carry a dyn Error

* introduce thiserror for error derive, add explicit error variants, cleanup dependencies

* cleanup handle dev-deps of sc-cli too

* Update client/cli/src/error.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bernhard Schuster <bernhard@parity.io>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Bernhard Schuster
2020-10-27 18:50:04 +01:00
committed by GitHub
parent 3ac070b61e
commit f373ecbcf0
8 changed files with 82 additions and 84 deletions
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substrate/client/cli/src/commands/utils.rs
+1 -2
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@@ -246,8 +246,7 @@ pub fn decode_hex<T: AsRef<[u8]>>(message: T) -> Result<Vec<u8>, Error> {
if message[..2] == [b'0', b'x'] {
message = &message[2..]
}
hex::decode(message)
.map_err(|e| Error::Other(format!("Invalid hex ({})", e)))
Ok(hex::decode(message)?)
}
/// checks if message is Some, otherwise reads message from stdin and optionally decodes hex