65 lines
2.1 KiB
Rust
65 lines
2.1 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
|
|
// This file is part of Parity.
|
|
|
|
// Parity is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// Parity is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
use std::fmt;
|
|
use std::error::Error as StdError;
|
|
use bytes::FromBytesError;
|
|
|
|
#[derive(Debug, PartialEq, Eq)]
|
|
/// Error concerning the RLP decoder.
|
|
pub enum DecoderError {
|
|
/// Couldn't convert given bytes to an instance of required type.
|
|
FromBytesError(FromBytesError),
|
|
/// Data has additional bytes at the end of the valid RLP fragment.
|
|
RlpIsTooBig,
|
|
/// Data has too few bytes for valid RLP.
|
|
RlpIsTooShort,
|
|
/// Expect an encoded list, RLP was something else.
|
|
RlpExpectedToBeList,
|
|
/// Expect encoded data, RLP was something else.
|
|
RlpExpectedToBeData,
|
|
/// Expected a different size list.
|
|
RlpIncorrectListLen,
|
|
/// Data length number has a prefixed zero byte, invalid for numbers.
|
|
RlpDataLenWithZeroPrefix,
|
|
/// List length number has a prefixed zero byte, invalid for numbers.
|
|
RlpListLenWithZeroPrefix,
|
|
/// Non-canonical (longer than necessary) representation used for data or list.
|
|
RlpInvalidIndirection,
|
|
/// Declared length is inconsistent with data specified after.
|
|
RlpInconsistentLengthAndData,
|
|
/// Custom rlp decoding error.
|
|
Custom(&'static str),
|
|
}
|
|
|
|
impl StdError for DecoderError {
|
|
fn description(&self) -> &str {
|
|
"builder error"
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for DecoderError {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
fmt::Debug::fmt(&self, f)
|
|
}
|
|
}
|
|
|
|
impl From<FromBytesError> for DecoderError {
|
|
fn from(err: FromBytesError) -> DecoderError {
|
|
DecoderError::FromBytesError(err)
|
|
}
|
|
}
|