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use std::error;
use std::fmt;
use bitcoin;
use hex;
use jsonrpc;
use serde_json;
#[derive(Debug)]
pub enum Error {
JsonRpc(jsonrpc::error::Error),
FromHex(hex::FromHexError),
Json(serde_json::error::Error),
BitcoinSerialization(bitcoin::consensus::encode::Error),
}
impl From<jsonrpc::error::Error> for Error {
fn from(e: jsonrpc::error::Error) -> Error {
Error::JsonRpc(e)
}
}
impl From<hex::FromHexError> for Error {
fn from(e: hex::FromHexError) -> Error {
Error::FromHex(e)
}
}
impl From<serde_json::error::Error> for Error {
fn from(e: serde_json::error::Error) -> Error {
Error::Json(e)
}
}
impl From<bitcoin::consensus::encode::Error> for Error {
fn from(e: bitcoin::consensus::encode::Error) -> Error {
Error::BitcoinSerialization(e)
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Error::JsonRpc(ref e) => write!(f, "JSON-RPC error: {}", e),
Error::FromHex(ref e) => write!(f, "hex decode error: {}", e),
Error::Json(ref e) => write!(f, "JSON error: {}", e),
Error::BitcoinSerialization(ref e) => write!(f, "Bitcoin serialization error: {}", e),
}
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
Error::JsonRpc(_) => "JSON-RPC error",
Error::FromHex(_) => "hex decode error",
Error::Json(_) => "JSON error",
Error::BitcoinSerialization(_) => "Bitcoin serialization error",
}
}
fn cause(&self) -> Option<&error::Error> {
match *self {
Error::JsonRpc(ref e) => Some(e),
Error::FromHex(ref e) => Some(e),
Error::Json(ref e) => Some(e),
Error::BitcoinSerialization(ref e) => Some(e),
}
}
}