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/*
 * Copyright 2018 Bitwise IO, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * -----------------------------------------------------------------------------
 */

//! Simple traits for signing transactions.

pub mod error;
pub mod hash;
#[cfg(feature = "ursa-compat")]
pub mod ursa;

pub use crate::signing::error::Error;

pub trait Signer {
    fn sign(&self, message: &[u8]) -> Result<Vec<u8>, Error>;
    fn public_key(&self) -> &[u8];
}