openethereum/ethcore/src/client/error.rs
Robert Habermeier 11b65ce53d Remove (almost all) panickers from trie module (#1776)
* memorydb ub patch and other cleanup

* fix denote invocations

* move trie traits into trie module

* replace "denote" with shim

* triedb returns results and no longer panics

* fix warnings

* get ethcore compiling

* warn on trie errors in ethcore

* remove unsafety from node decoder

* restore broken denote behavior for this branch

* fix overlayrecent fallout

* fix triedb tests

* remove unwrap in state

* alter Trie::get to return Result<Option<_>>

* fix refcell error in require

* fix test warnings

* fix json tests

* whitespace

[ci:skip]

* Avoid unneeded match/indentation

* whitespace

* prettify map_or_else

* remove test warning
2016-08-03 18:35:48 +02:00

54 lines
1.1 KiB
Rust

use trace::Error as TraceError;
use util::UtilError;
use std::fmt::{Display, Formatter, Error as FmtError};
use util::trie::TrieError;
/// Client configuration errors.
#[derive(Debug)]
pub enum Error {
/// TraceDB configuration error.
Trace(TraceError),
/// TrieDB-related error.
Trie(TrieError),
/// Database error
Database(String),
/// Util error
Util(UtilError),
}
impl From<TraceError> for Error {
fn from(err: TraceError) -> Self {
Error::Trace(err)
}
}
impl From<TrieError> for Error {
fn from(err: TrieError) -> Self {
Error::Trie(err)
}
}
impl From<UtilError> for Error {
fn from(err: UtilError) -> Self {
Error::Util(err)
}
}
impl<E> From<Box<E>> for Error where Error: From<E> {
fn from(err: Box<E>) -> Self {
Error::from(*err)
}
}
impl Display for Error {
fn fmt(&self, f: &mut Formatter) -> Result<(), FmtError> {
match *self {
Error::Trace(ref err) => write!(f, "{}", err),
Error::Trie(ref err) => write!(f, "{}", err),
Error::Util(ref err) => write!(f, "{}", err),
Error::Database(ref s) => write!(f, "Database error: {}", s),
}
}
}