openethereum/crates/ethcore/types/src/transaction/transaction_id.rs

56 lines
1.5 KiB
Rust

// Copyright 2020-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
// OpenEthereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// OpenEthereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
//! Transaction Id.
use serde_repr::*;
use std::convert::TryFrom;
#[derive(Serialize_repr, Eq, Hash, Deserialize_repr, Debug, Clone, PartialEq)]
#[repr(u8)]
pub enum TypedTxId {
AccessList = 0x01,
Legacy = 0x00,
}
impl TypedTxId {
pub fn from_u8_id(n: u8) -> Option<Self> {
match n {
0 => Some(Self::Legacy),
1 => Some(Self::AccessList),
_ => None,
}
}
}
impl Default for TypedTxId {
fn default() -> TypedTxId {
TypedTxId::Legacy
}
}
impl TryFrom<u8> for TypedTxId {
type Error = ();
fn try_from(v: u8) -> Result<Self, Self::Error> {
match v {
x if x == TypedTxId::AccessList as u8 => Ok(TypedTxId::AccessList),
x if (x & 0x80) != 0x00 => Ok(TypedTxId::Legacy),
_ => Err(()),
}
}
}