diff --git a/hw/src/ledger.rs b/hw/src/ledger.rs
index 6881c99a0..f9e206548 100644
--- a/hw/src/ledger.rs
+++ b/hw/src/ledger.rs
@@ -15,7 +15,13 @@
// along with Parity. If not, see .
//! Ledger hardware wallet module. Supports Ledger Blue and Nano S.
-/// See https://github.com/LedgerHQ/blue-app-eth/blob/master/doc/ethapp.asc for protocol details.
+//! See for protocol details.
+
+use std::cmp::min;
+use std::str::FromStr;
+use std::sync::{atomic, atomic::AtomicBool, Arc, Weak};
+use std::time::{Duration, Instant};
+use std::{fmt, thread};
use ethereum_types::{H256, Address};
use ethkey::Signature;
@@ -23,11 +29,6 @@ use hidapi;
use libusb;
use parking_lot::{Mutex, RwLock};
use semver::Version as FirmwareVersion;
-use std::cmp::min;
-use std::str::FromStr;
-use std::sync::{atomic, atomic::AtomicBool, Arc, Weak};
-use std::time::{Duration, Instant};
-use std::{fmt, thread};
use super::{WalletInfo, KeyPath, Device, DeviceDirection, Wallet, USB_DEVICE_CLASS_DEVICE, POLLING_DURATION};
const APDU_TAG: u8 = 0x05;
@@ -97,13 +98,13 @@ impl fmt::Display for Error {
}
impl From for Error {
- fn from(err: hidapi::HidError) -> Error {
+ fn from(err: hidapi::HidError) -> Self {
Error::Usb(err)
}
}
impl From for Error {
- fn from(err: libusb::Error) -> Error {
+ fn from(err: libusb::Error) -> Self {
Error::LibUsb(err)
}
}
@@ -117,8 +118,8 @@ pub (crate) struct Manager {
impl Manager {
/// Create a new instance.
- pub fn new(hidapi: Arc>, exiting: Arc) -> Result, libusb::Error> {
- let manager = Arc::new(Manager {
+ pub fn new(hidapi: Arc>, exiting: Arc) -> Result, libusb::Error> {
+ let manager = Arc::new(Self {
usb: hidapi,
devices: RwLock::new(Vec::new()),
key_path: RwLock::new(KeyPath::Ethereum),
@@ -180,14 +181,14 @@ impl Manager {
let size = min(64 - header, data_len - offset);
{
let chunk = &mut hid_chunk[HID_PREFIX_ZERO..];
- &mut chunk[0..5].copy_from_slice(&[0x01, 0x01, APDU_TAG, (sequence_number >> 8) as u8, (sequence_number & 0xff) as u8 ]);
+ chunk[0..5].copy_from_slice(&[0x01, 0x01, APDU_TAG, (sequence_number >> 8) as u8, (sequence_number & 0xff) as u8 ]);
if sequence_number == 0 {
let data_len = data.len() + 5;
- &mut chunk[5..12].copy_from_slice(&[(data_len >> 8) as u8, (data_len & 0xff) as u8, APDU_CLA, command, p1, p2, data.len() as u8]);
+ chunk[5..12].copy_from_slice(&[(data_len >> 8) as u8, (data_len & 0xff) as u8, APDU_CLA, command, p1, p2, data.len() as u8]);
}
- &mut chunk[header..header + size].copy_from_slice(&data[offset..offset + size]);
+ chunk[header..header + size].copy_from_slice(&data[offset..offset + size]);
}
trace!(target: "hw", "Ledger write {:?}", &hid_chunk[..]);
let n = handle.write(&hid_chunk[..])?;
@@ -262,7 +263,7 @@ impl Manager {
0x6a82 => Err(Error::Protocol("File not found")),
0x6a85 => Err(Error::UserCancel),
0x6b00 => Err(Error::Protocol("Incorrect parameters")),
- 0x6d00 => Err(Error::Protocol("Not implemented. Make sure Ethereum app is running.")),
+ 0x6d00 => Err(Error::Protocol("Not implemented. Make sure the Ledger Ethereum Wallet app is running.")),
0x6faa => Err(Error::Protocol("Your Ledger need to be unplugged")),
0x6f00...0x6fff => Err(Error::Protocol("Internal error")),
0x9000 => Ok(()),
@@ -324,7 +325,7 @@ impl Manager {
let derivation_path = self.get_derivation_path();
// Copy the address of the key (only done once)
- &mut chunk[0..derivation_path.len()].copy_from_slice(derivation_path);
+ chunk[0..derivation_path.len()].copy_from_slice(derivation_path);
let key_length = derivation_path.len();
let max_payload_size = MAX_CHUNK_SIZE - key_length;
@@ -363,7 +364,7 @@ impl Manager {
}
// Try to connect to the device using polling in at most the time specified by the `timeout`
-fn try_connect_polling(ledger: Arc, timeout: &Duration, device_direction: DeviceDirection) -> bool {
+fn try_connect_polling(ledger: &Manager, timeout: &Duration, device_direction: DeviceDirection) -> bool {
let start_time = Instant::now();
while start_time.elapsed() <= *timeout {
if let Ok(num_devices) = ledger.update_devices(device_direction) {
@@ -436,9 +437,9 @@ impl <'a>Wallet<'a> for Manager {
Ok(Device {
path: dev_info.path.clone(),
info: WalletInfo {
- name: name,
- manufacturer: manufacturer,
- serial: serial,
+ name,
+ manufacturer,
+ serial,
address: addr,
},
})
@@ -502,7 +503,7 @@ struct EventHandler {
impl EventHandler {
/// Ledger event handler constructor
fn new(ledger: Weak) -> Self {
- Self { ledger: ledger }
+ Self { ledger }
}
}
@@ -510,7 +511,7 @@ impl libusb::Hotplug for EventHandler {
fn device_arrived(&mut self, device: libusb::Device) {
debug!(target: "hw", "Ledger arrived");
if let (Some(ledger), Ok(_)) = (self.ledger.upgrade(), Manager::is_valid_ledger(&device)) {
- if try_connect_polling(ledger, &POLLING_DURATION, DeviceDirection::Arrived) != true {
+ if try_connect_polling(&ledger, &POLLING_DURATION, DeviceDirection::Arrived) != true {
debug!(target: "hw", "No Ledger device was connected");
}
}
@@ -519,7 +520,7 @@ impl libusb::Hotplug for EventHandler {
fn device_left(&mut self, device: libusb::Device) {
debug!(target: "hw", "Ledger left");
if let (Some(ledger), Ok(_)) = (self.ledger.upgrade(), Manager::is_valid_ledger(&device)) {
- if try_connect_polling(ledger, &POLLING_DURATION, DeviceDirection::Left) != true {
+ if try_connect_polling(&ledger, &POLLING_DURATION, DeviceDirection::Left) != true {
debug!(target: "hw", "No Ledger device was disconnected");
}
}
@@ -584,14 +585,12 @@ mod tests {
println!("Got {:?}", signature);
assert!(signature.is_ok());
-
// 218 bytes transaction
let large_tx = FromHex::from_hex("f86b028511cfc15d00825208940975ca9f986eee35f5cbba2d672ad9bc8d2a08448766c92c5cf830008026a0d2b0d401b543872d2a6a50de92455decbb868440321bf63a13b310c069e2ba5ba03c6d51bcb2e1653be86546b87f8a12ddb45b6d4e568420299b96f64c19701040f86b028511cfc15d00825208940975ca9f986eee35f5cbba2d672ad9bc8d2a08448766c92c5cf830008026a0d2b0d401b543872d2a6a50de92455decbb868440321bf63a13b310c069e2ba5ba03c6d51bcb2e1653be86546b87f8a12ddb45b6d4e568420299b96f64c19701040").unwrap();
let signature = manager.sign_transaction(&address, &large_tx);
println!("Got {:?}", signature);
assert!(signature.is_ok());
-
// 36206 bytes transaction (You need to confirm many transaction on your `Ledger` for this)
let huge_tx = FromHex::from_hex("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
").unwrap();
diff --git a/hw/src/lib.rs b/hw/src/lib.rs
index 3198aec64..98e682a30 100644
--- a/hw/src/lib.rs
+++ b/hw/src/lib.rs
@@ -16,8 +16,8 @@
//! Hardware wallet management.
-#[warn(missing_docs)]
-#[warn(warnings)]
+#![warn(missing_docs)]
+#![warn(warnings)]
extern crate ethereum_types;
extern crate ethkey;
@@ -34,22 +34,24 @@ extern crate trezor_sys;
mod ledger;
mod trezor;
-use ethkey::{Address, Signature};
-
-use parking_lot::Mutex;
-use std::{fmt, time::Duration};
use std::sync::{Arc, atomic, atomic::AtomicBool};
+use std::{fmt, time::Duration};
+
use ethereum_types::U256;
+use ethkey::{Address, Signature};
+use parking_lot::Mutex;
const USB_DEVICE_CLASS_DEVICE: u8 = 0;
const POLLING_DURATION: Duration = Duration::from_millis(500);
+/// `HardwareWallet` device
#[derive(Debug)]
pub struct Device {
path: String,
info: WalletInfo,
}
+/// `Wallet` trait
pub trait Wallet<'a> {
/// Error
type Error;
@@ -109,7 +111,7 @@ pub enum Error {
}
/// This is the transaction info we need to supply to Trezor message. It's more
-/// or less a duplicate of ethcore::transaction::Transaction, but we can't
+/// or less a duplicate of `ethcore::transaction::Transaction`, but we can't
/// import ethcore here as that would be a circular dependency.
pub struct TransactionInfo {
/// Nonce
@@ -163,7 +165,7 @@ impl fmt::Display for Error {
}
impl From for Error {
- fn from(err: ledger::Error) -> Error {
+ fn from(err: ledger::Error) -> Self {
match err {
ledger::Error::KeyNotFound => Error::KeyNotFound,
_ => Error::LedgerDevice(err),
@@ -172,7 +174,7 @@ impl From for Error {
}
impl From for Error {
- fn from(err: trezor::Error) -> Error {
+ fn from(err: trezor::Error) -> Self {
match err {
trezor::Error::KeyNotFound => Error::KeyNotFound,
_ => Error::TrezorDevice(err),
@@ -181,7 +183,7 @@ impl From for Error {
}
impl From for Error {
- fn from(err: libusb::Error) -> Error {
+ fn from(err: libusb::Error) -> Self {
Error::Usb(err)
}
}
@@ -189,8 +191,10 @@ impl From for Error {
/// Specifies the direction of the `HardwareWallet` i.e, whether it arrived or left
#[derive(Debug, Copy, Clone)]
pub enum DeviceDirection {
- Arrived,
- Left,
+ /// Device arrived
+ Arrived,
+ /// Device left
+ Left,
}
impl fmt::Display for DeviceDirection {
@@ -211,16 +215,16 @@ pub struct HardwareWalletManager {
impl HardwareWalletManager {
/// Hardware wallet constructor
- pub fn new() -> Result {
+ pub fn new() -> Result {
let exiting = Arc::new(AtomicBool::new(false));
let hidapi = Arc::new(Mutex::new(hidapi::HidApi::new().map_err(|e| Error::Hid(e.to_string().clone()))?));
let ledger = ledger::Manager::new(hidapi.clone(), exiting.clone())?;
let trezor = trezor::Manager::new(hidapi.clone(), exiting.clone())?;
- Ok(HardwareWalletManager {
- exiting: exiting,
- ledger: ledger,
- trezor: trezor,
+ Ok(Self {
+ exiting,
+ ledger,
+ trezor,
})
}
diff --git a/hw/src/trezor.rs b/hw/src/trezor.rs
index 5df5cc373..efd259d78 100644
--- a/hw/src/trezor.rs
+++ b/hw/src/trezor.rs
@@ -15,12 +15,10 @@
// along with Parity. If not, see .
//! Trezor hardware wallet module. Supports Trezor v1.
-//! See http://doc.satoshilabs.com/trezor-tech/api-protobuf.html
-//! and https://github.com/trezor/trezor-common/blob/master/protob/protocol.md
+//! See
+//! and
//! for protocol details.
-use super::{DeviceDirection, WalletInfo, TransactionInfo, KeyPath, Wallet, Device, USB_DEVICE_CLASS_DEVICE, POLLING_DURATION};
-
use std::cmp::{min, max};
use std::sync::{atomic, atomic::AtomicBool, Arc, Weak};
use std::time::{Duration, Instant};
@@ -31,9 +29,8 @@ use ethkey::Signature;
use hidapi;
use libusb;
use parking_lot::{Mutex, RwLock};
-use protobuf::{Message, ProtobufEnum};
-use protobuf;
-
+use protobuf::{self, Message, ProtobufEnum};
+use super::{DeviceDirection, WalletInfo, TransactionInfo, KeyPath, Wallet, Device, USB_DEVICE_CLASS_DEVICE, POLLING_DURATION};
use trezor_sys::messages::{EthereumAddress, PinMatrixAck, MessageType, EthereumTxRequest, EthereumSignTx, EthereumGetAddress, EthereumTxAck, ButtonAck};
/// Trezor v1 vendor ID
@@ -41,8 +38,8 @@ const TREZOR_VID: u16 = 0x534c;
/// Trezor product IDs
const TREZOR_PIDS: [u16; 1] = [0x0001];
-const ETH_DERIVATION_PATH: [u32; 5] = [0x8000002C, 0x8000003C, 0x80000000, 0, 0]; // m/44'/60'/0'/0/0
-const ETC_DERIVATION_PATH: [u32; 5] = [0x8000002C, 0x8000003D, 0x80000000, 0, 0]; // m/44'/61'/0'/0/0
+const ETH_DERIVATION_PATH: [u32; 5] = [0x8000_002C, 0x8000_003C, 0x8000_0000, 0, 0]; // m/44'/60'/0'/0/0
+const ETC_DERIVATION_PATH: [u32; 5] = [0x8000_002C, 0x8000_003D, 0x8000_0000, 0, 0]; // m/44'/61'/0'/0/0
/// Hardware wallet error.
#[derive(Debug)]
@@ -84,13 +81,13 @@ impl fmt::Display for Error {
}
impl From for Error {
- fn from(err: hidapi::HidError) -> Error {
+ fn from(err: hidapi::HidError) -> Self {
Error::Usb(err)
}
}
impl From for Error {
- fn from(_: protobuf::ProtobufError) -> Error {
+ fn from(_: protobuf::ProtobufError) -> Self {
Error::Protocol(&"Could not read response from Trezor Device")
}
}
@@ -111,8 +108,8 @@ enum HidVersion {
impl Manager {
/// Create a new instance.
- pub fn new(hidapi: Arc>, exiting: Arc) -> Result, libusb::Error> {
- let manager = Arc::new(Manager {
+ pub fn new(hidapi: Arc>, exiting: Arc) -> Result, libusb::Error> {
+ let manager = Arc::new(Self {
usb: hidapi,
devices: RwLock::new(Vec::new()),
locked_devices: RwLock::new(Vec::new()),
@@ -171,7 +168,7 @@ impl Manager {
}
fn u256_to_be_vec(&self, val: &U256) -> Vec {
- let mut buf = [0u8; 32];
+ let mut buf = [0_u8; 32];
val.to_big_endian(&mut buf);
buf.iter().skip_while(|x| **x == 0).cloned().collect()
}
@@ -226,8 +223,8 @@ impl Manager {
let mut data = Vec::new();
let hid_version = self.probe_hid_version(device)?;
// Magic constants
- data.push('#' as u8);
- data.push('#' as u8);
+ data.push(b'#');
+ data.push(b'#');
// Convert msg_id to BE and split into bytes
data.push(((msg_id >> 8) & 0xFF) as u8);
data.push((msg_id & 0xFF) as u8);
@@ -243,8 +240,8 @@ impl Manager {
let mut total_written = 0;
for chunk in data.chunks(63) {
let mut padded_chunk = match hid_version {
- HidVersion::V1 => vec!['?' as u8],
- HidVersion::V2 => vec![0, '?' as u8],
+ HidVersion::V1 => vec![b'?'],
+ HidVersion::V2 => vec![0, b'?'],
};
padded_chunk.extend_from_slice(&chunk);
total_written += device.write(&padded_chunk)?;
@@ -253,10 +250,10 @@ impl Manager {
}
fn probe_hid_version(&self, device: &hidapi::HidDevice) -> Result {
- let mut buf2 = [0xFFu8; 65];
+ let mut buf2 = [0xFF_u8; 65];
buf2[0] = 0;
buf2[1] = 63;
- let mut buf1 = [0xFFu8; 64];
+ let mut buf1 = [0xFF_u8; 64];
buf1[0] = 63;
if device.write(&buf2)? == 65 {
Ok(HidVersion::V2)
@@ -272,7 +269,7 @@ impl Manager {
let mut buf = vec![0; 64];
let first_chunk = device.read_timeout(&mut buf, 300_000)?;
- if first_chunk < 9 || buf[0] != '?' as u8 || buf[1] != '#' as u8 || buf[2] != '#' as u8 {
+ if first_chunk < 9 || buf[0] != b'?' || buf[1] != b'#' || buf[2] != b'#' {
return Err(protocol_err);
}
let msg_type = MessageType::from_i32(((buf[3] as i32 & 0xFF) << 8) + (buf[4] as i32 & 0xFF)).ok_or(protocol_err)?;
@@ -308,11 +305,8 @@ impl <'a>Wallet<'a> for Manager {
message.set_gas_price(self.u256_to_be_vec(&t_info.gas_price));
message.set_value(self.u256_to_be_vec(&t_info.value));
- match t_info.to {
- Some(addr) => {
- message.set_to(addr.to_vec())
- }
- None => (),
+ if let Some(addr) = t_info.to {
+ message.set_to(addr.to_vec())
}
let first_chunk_length = min(t_info.data.len(), 1024);
let chunk = &t_info.data[0..first_chunk_length];
@@ -387,9 +381,9 @@ impl <'a>Wallet<'a> for Manager {
Ok(Device {
path: dev_info.path.clone(),
info: WalletInfo {
- name: name,
- manufacturer: manufacturer,
- serial: serial,
+ name,
+ manufacturer,
+ serial,
address: addr,
},
})
@@ -439,7 +433,7 @@ impl <'a>Wallet<'a> for Manager {
}
// Try to connect to the device using polling in at most the time specified by the `timeout`
-fn try_connect_polling(trezor: Arc, duration: &Duration, dir: DeviceDirection) -> bool {
+fn try_connect_polling(trezor: &Manager, duration: &Duration, dir: DeviceDirection) -> bool {
let start_time = Instant::now();
while start_time.elapsed() <= *duration {
if let Ok(num_devices) = trezor.update_devices(dir) {
@@ -462,7 +456,7 @@ struct EventHandler {
impl EventHandler {
/// Trezor event handler constructor
pub fn new(trezor: Weak) -> Self {
- Self { trezor: trezor }
+ Self { trezor }
}
}
@@ -470,7 +464,7 @@ impl libusb::Hotplug for EventHandler {
fn device_arrived(&mut self, _device: libusb::Device) {
debug!(target: "hw", "Trezor V1 arrived");
if let Some(trezor) = self.trezor.upgrade() {
- if try_connect_polling(trezor, &POLLING_DURATION, DeviceDirection::Arrived) != true {
+ if try_connect_polling(&trezor, &POLLING_DURATION, DeviceDirection::Arrived) != true {
trace!(target: "hw", "No Trezor connected");
}
}
@@ -479,7 +473,7 @@ impl libusb::Hotplug for EventHandler {
fn device_left(&mut self, _device: libusb::Device) {
debug!(target: "hw", "Trezor V1 left");
if let Some(trezor) = self.trezor.upgrade() {
- if try_connect_polling(trezor, &POLLING_DURATION, DeviceDirection::Left) != true {
+ if try_connect_polling(&trezor, &POLLING_DURATION, DeviceDirection::Left) != true {
trace!(target: "hw", "No Trezor disconnected");
}
}
@@ -500,7 +494,7 @@ fn test_signature() {
let addr: Address = H160::from("some_addr");
- assert_eq!(try_connect_polling(manager.clone(), &POLLING_DURATION, DeviceDirection::Arrived), true);
+ assert_eq!(try_connect_polling(&manager.clone(), &POLLING_DURATION, DeviceDirection::Arrived), true);
let t_info = TransactionInfo {
nonce: U256::from(1),