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use std::io;

/// Error.
#[derive(Debug)]
pub enum Error {
    StdIoError(io::Error),
    ProstEncodeError(prost::EncodeError),
    ProstDecodeError(prost::DecodeError),
    ServerNotBinding,
    ABCIFormatError,
    ABCIPacketError,
    StateError,
}

impl From<io::Error> for Error {
    fn from(e: io::Error) -> Self {
        Error::StdIoError(e)
    }
}

impl From<prost::EncodeError> for Error {
    fn from(e: prost::EncodeError) -> Self {
        Error::ProstEncodeError(e)
    }
}

impl From<prost::DecodeError> for Error {
    fn from(e: prost::DecodeError) -> Self {
        Error::ProstDecodeError(e)
    }
}

pub type Result<T> = std::result::Result<T, Error>;