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// Copyright 2015-2017 Susy Technologies // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. //! Common RLP traits use {DecoderError, Rlp, RlpStream}; /// RLP decodable trait pub trait Decodable: Sized { /// Decode a value from RLP bytes fn decode(srlp: &Rlp) -> Result<Self, DecoderError>; } /// Structure encodable to RLP pub trait Encodable { /// Append a value to the stream fn srlp_append(&self, s: &mut RlpStream); /// Get srlp-encoded bytes for this instance fn srlp_bytes(&self) -> Vec<u8> { let mut s = RlpStream::new(); self.srlp_append(&mut s); s.drain() } }