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use crate::errors::TransactionError;
use std::fmt::Debug;
#[derive(Debug, Error)]
pub enum BlockError {
#[error("block already exists {}", _0)]
BlockExists(String),
#[error("{}: {}", _0, _1)]
Crate(&'static str, String),
#[error("{}", _0)]
Message(String),
#[error("{}", _0)]
TransactionError(#[from] TransactionError),
#[error("block number {} has not been mined yet", _0)]
InvalidBlockNumber(u32),
#[error("expected block parent: {} got parent: {} ", _0, _1)]
InvalidParent(String, String),
#[error("the given block {} is not a canonical or sidechain block", _0)]
IrrelevantBlock(String),
}
impl From<std::io::Error> for BlockError {
fn from(error: std::io::Error) -> Self {
BlockError::Crate("std::io", format!("{:?}", error))
}
}