53 lines
1.0 KiB
Rust
53 lines
1.0 KiB
Rust
//! General error types for use in ethcore.
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use util::*;
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#[derive(Debug)]
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pub struct Mismatch<T: fmt::Debug> {
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pub expected: T,
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pub found: T,
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}
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#[derive(Debug)]
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pub struct OutOfBounds<T: fmt::Debug> {
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pub min: T,
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pub max: T,
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pub found: T,
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}
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#[derive(Debug)]
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pub enum BlockError {
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TooManyUncles,
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UncleWrongGeneration,
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ExtraDataOutOfBounds(OutOfBounds<usize>),
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InvalidSealArity(Mismatch<usize>),
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}
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#[derive(Debug)]
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/// General error type which should be capable of representing all errors in ethcore.
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pub enum Error {
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Util(UtilError),
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Block(BlockError),
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UnknownEngineName(String),
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}
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impl From<BlockError> for Error {
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fn from(err: BlockError) -> Error {
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Error::Block(err)
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}
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}
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// TODO: uncomment below once https://github.com/rust-lang/rust/issues/27336 sorted.
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/*#![feature(concat_idents)]
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macro_rules! assimilate {
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($name:ident) => (
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impl From<concat_idents!($name, Error)> for Error {
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fn from(err: concat_idents!($name, Error)) -> Error {
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Error:: $name (err)
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}
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}
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)
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}
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assimilate!(FromHex);
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assimilate!(BaseData);*/
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