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use failure::{Backtrace, Context, Fail};
use std::fmt::{self, Display};
use crate::core::transaction;
use crate::keychain;
use crate::util::secp;
#[derive(Debug)]
pub struct Error {
inner: Context<ErrorKind>,
}
#[derive(Clone, Debug, Eq, Fail, PartialEq, Serialize, Deserialize)]
pub enum ErrorKind {
#[fail(display = "Secp Error")]
Secp(secp::Error),
#[fail(display = "Keychain Error")]
Keychain(keychain::Error),
#[fail(display = "Transaction Error")]
Transaction(transaction::Error),
#[fail(display = "Signature Error")]
Signature(String),
#[fail(display = "Rangeproof Error")]
RangeProof(String),
}
impl Fail for Error {
fn cause(&self) -> Option<&dyn Fail> {
self.inner.cause()
}
fn backtrace(&self) -> Option<&Backtrace> {
self.inner.backtrace()
}
}
impl Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
Display::fmt(&self.inner, f)
}
}
impl Error {
pub fn kind(&self) -> ErrorKind {
self.inner.get_context().clone()
}
}
impl From<ErrorKind> for Error {
fn from(kind: ErrorKind) -> Error {
Error {
inner: Context::new(kind),
}
}
}
impl From<Context<ErrorKind>> for Error {
fn from(inner: Context<ErrorKind>) -> Error {
Error { inner: inner }
}
}
impl From<secp::Error> for Error {
fn from(error: secp::Error) -> Error {
Error {
inner: Context::new(ErrorKind::Secp(error)),
}
}
}
impl From<keychain::Error> for Error {
fn from(error: keychain::Error) -> Error {
Error {
inner: Context::new(ErrorKind::Keychain(error)),
}
}
}
impl From<transaction::Error> for Error {
fn from(error: transaction::Error) -> Error {
Error {
inner: Context::new(ErrorKind::Transaction(error)),
}
}
}