openethereum/accounts/fake-hardware-wallet/src/lib.rs
Afri Schoedon 7c335e8764
misc: bump license header to 2019 (#10135)
* misc: bump license header to 2019

* misc: remove_duplicate_empty_lines.sh

* misc: run license header script

* commit cargo lock
2019-01-07 11:33:07 +01:00

102 lines
2.5 KiB
Rust

// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum 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.
// Parity Ethereum 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 Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
//! Dummy module for platforms that does not provide support for hardware wallets (libusb)
extern crate ethereum_types;
extern crate ethkey;
use std::fmt;
use ethereum_types::U256;
use ethkey::{Address, Signature};
pub struct WalletInfo {
pub address: Address,
pub name: String,
pub manufacturer: String,
}
#[derive(Debug)]
/// `ErrorType` for devices with no `hardware wallet`
pub enum Error {
NoWallet,
KeyNotFound,
}
pub struct TransactionInfo {
/// Nonce
pub nonce: U256,
/// Gas price
pub gas_price: U256,
/// Gas limit
pub gas_limit: U256,
/// Receiver
pub to: Option<Address>,
/// Value
pub value: U256,
/// Data
pub data: Vec<u8>,
/// Chain ID
pub chain_id: Option<u64>,
}
pub enum KeyPath {
/// Ethereum.
Ethereum,
/// Ethereum classic.
EthereumClassic,
}
/// `HardwareWalletManager` for devices with no `hardware wallet`
pub struct HardwareWalletManager;
impl HardwareWalletManager {
pub fn new() -> Result<Self, Error> {
Err(Error::NoWallet)
}
pub fn set_key_path(&self, _key_path: KeyPath) {}
pub fn wallet_info(&self, _: &Address) -> Option<WalletInfo> {
None
}
pub fn list_wallets(&self) -> Vec<WalletInfo> {
Vec::with_capacity(0)
}
pub fn list_locked_wallets(&self) -> Result<Vec<String>, Error> {
Err(Error::NoWallet)
}
pub fn pin_matrix_ack(&self, _: &str, _: &str) -> Result<bool, Error> {
Err(Error::NoWallet)
}
pub fn sign_transaction(&self, _address: &Address, _transaction: &TransactionInfo, _rlp_transaction: &[u8]) -> Result<Signature, Error> {
Err(Error::NoWallet) }
pub fn sign_message(&self, _address: &Address, _msg: &[u8]) -> Result<Signature, Error> {
Err(Error::NoWallet)
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "No hardware wallet!!")
}
}