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260 lines
9.2 KiB
260 lines
9.2 KiB
#[cfg(feature = "bitcoin")]
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mod bitcoin;
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#[cfg(feature = "bitcoin")]
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pub use self::bitcoin::*;
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#[cfg(feature = "ethereum")]
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mod ethereum;
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#[cfg(feature = "ethereum")]
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pub use ethereum::*;
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#[cfg(feature = "solana")]
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mod solana;
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#[cfg(feature = "solana")]
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pub use solana::*;
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pub mod common;
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pub use common::*;
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use crate::{
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error::{Error, Result},
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messages::TrezorMessage,
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protos,
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protos::MessageType::*,
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transport::{ProtoMessage, Transport},
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Model,
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};
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use protobuf::MessageField;
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use tracing::{debug, trace};
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/// A Trezor client.
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pub struct Trezor {
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model: Model,
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// Cached features for later inspection.
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features: Option<protos::Features>,
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transport: Box<dyn Transport>,
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}
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/// Create a new Trezor instance with the given transport.
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pub fn trezor_with_transport(model: Model, transport: Box<dyn Transport>) -> Trezor {
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Trezor { model, transport, features: None }
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}
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impl Trezor {
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/// Get the model of the Trezor device.
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pub fn model(&self) -> Model {
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self.model
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}
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/// Get the features of the Trezor device.
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pub fn features(&self) -> Option<&protos::Features> {
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self.features.as_ref()
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}
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/// Sends a message and returns the raw ProtoMessage struct that was responded by the device.
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/// This method is only exported for users that want to expand the features of this library
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/// f.e. for supporting additional coins etc.
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pub fn call_raw<S: TrezorMessage>(&mut self, message: S) -> Result<ProtoMessage> {
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let proto_msg = ProtoMessage(S::MESSAGE_TYPE, message.write_to_bytes()?);
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self.transport.write_message(proto_msg).map_err(Error::TransportSendMessage)?;
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self.transport.read_message().map_err(Error::TransportReceiveMessage)
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}
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/// Sends a message and returns a TrezorResponse with either the expected response message,
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/// a failure or an interaction request.
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/// This method is only exported for users that want to expand the features of this library
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/// f.e. for supporting additional coins etc.
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pub fn call<'a, T, S: TrezorMessage, R: TrezorMessage>(
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&'a mut self,
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message: S,
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result_handler: Box<ResultHandler<'a, T, R>>,
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) -> Result<TrezorResponse<'a, T, R>> {
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trace!("Sending {:?} msg: {:?}", S::MESSAGE_TYPE, message);
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let resp = self.call_raw(message)?;
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if resp.message_type() == R::MESSAGE_TYPE {
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let resp_msg = resp.into_message()?;
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trace!("Received {:?} msg: {:?}", R::MESSAGE_TYPE, resp_msg);
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Ok(TrezorResponse::Ok(result_handler(self, resp_msg)?))
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} else {
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match resp.message_type() {
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MessageType_Failure => {
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let fail_msg = resp.into_message()?;
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debug!("Received failure: {:?}", fail_msg);
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Ok(TrezorResponse::Failure(fail_msg))
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}
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MessageType_ButtonRequest => {
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let req_msg = resp.into_message()?;
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trace!("Received ButtonRequest: {:?}", req_msg);
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Ok(TrezorResponse::ButtonRequest(ButtonRequest {
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message: req_msg,
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client: self,
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result_handler,
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}))
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}
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MessageType_PinMatrixRequest => {
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let req_msg = resp.into_message()?;
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trace!("Received PinMatrixRequest: {:?}", req_msg);
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Ok(TrezorResponse::PinMatrixRequest(PinMatrixRequest {
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message: req_msg,
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client: self,
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result_handler,
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}))
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}
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MessageType_PassphraseRequest => {
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let req_msg = resp.into_message()?;
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trace!("Received PassphraseRequest: {:?}", req_msg);
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Ok(TrezorResponse::PassphraseRequest(PassphraseRequest {
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message: req_msg,
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client: self,
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result_handler,
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}))
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}
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mtype => {
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debug!(
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"Received unexpected msg type: {:?}; raw msg: {}",
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mtype,
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hex::encode(resp.into_payload())
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);
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Err(Error::UnexpectedMessageType(mtype))
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}
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}
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}
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}
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pub fn init_device(&mut self, session_id: Option<Vec<u8>>) -> Result<()> {
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let features = self.initialize(session_id)?.ok()?;
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self.features = Some(features);
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Ok(())
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}
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pub fn initialize(
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&mut self,
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session_id: Option<Vec<u8>>,
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) -> Result<TrezorResponse<'_, Features, Features>> {
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let mut req = protos::Initialize::new();
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if let Some(session_id) = session_id {
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req.set_session_id(session_id);
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}
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self.call(req, Box::new(|_, m| Ok(m)))
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}
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pub fn ping(&mut self, message: &str) -> Result<TrezorResponse<'_, (), protos::Success>> {
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let mut req = protos::Ping::new();
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req.set_message(message.to_owned());
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self.call(req, Box::new(|_, _| Ok(())))
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}
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pub fn change_pin(&mut self, remove: bool) -> Result<TrezorResponse<'_, (), protos::Success>> {
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let mut req = protos::ChangePin::new();
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req.set_remove(remove);
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self.call(req, Box::new(|_, _| Ok(())))
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}
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pub fn wipe_device(&mut self) -> Result<TrezorResponse<'_, (), protos::Success>> {
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let req = protos::WipeDevice::new();
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self.call(req, Box::new(|_, _| Ok(())))
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}
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pub fn recover_device(
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&mut self,
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word_count: WordCount,
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passphrase_protection: bool,
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pin_protection: bool,
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label: String,
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dry_run: bool,
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) -> Result<TrezorResponse<'_, (), protos::Success>> {
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let mut req = protos::RecoveryDevice::new();
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req.set_word_count(word_count as u32);
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req.set_passphrase_protection(passphrase_protection);
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req.set_pin_protection(pin_protection);
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req.set_label(label);
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req.set_enforce_wordlist(true);
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req.set_dry_run(dry_run);
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req.set_type(
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protos::recovery_device::RecoveryDeviceType::RecoveryDeviceType_ScrambledWords,
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);
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//TODO(stevenroose) support languages
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req.set_language("english".to_owned());
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self.call(req, Box::new(|_, _| Ok(())))
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}
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#[allow(clippy::too_many_arguments)]
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pub fn reset_device(
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&mut self,
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display_random: bool,
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strength: usize,
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passphrase_protection: bool,
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pin_protection: bool,
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label: String,
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skip_backup: bool,
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no_backup: bool,
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) -> Result<TrezorResponse<'_, EntropyRequest<'_>, protos::EntropyRequest>> {
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let mut req = protos::ResetDevice::new();
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req.set_display_random(display_random);
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req.set_strength(strength as u32);
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req.set_passphrase_protection(passphrase_protection);
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req.set_pin_protection(pin_protection);
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req.set_label(label);
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req.set_skip_backup(skip_backup);
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req.set_no_backup(no_backup);
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self.call(req, Box::new(|c, _| Ok(EntropyRequest { client: c })))
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}
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pub fn backup(&mut self) -> Result<TrezorResponse<'_, (), protos::Success>> {
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let req = protos::BackupDevice::new();
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self.call(req, Box::new(|_, _| Ok(())))
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}
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//TODO(stevenroose) support U2F stuff? currently ignored all
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pub fn apply_settings(
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&mut self,
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label: Option<String>,
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use_passphrase: Option<bool>,
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homescreen: Option<Vec<u8>>,
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auto_lock_delay_ms: Option<usize>,
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) -> Result<TrezorResponse<'_, (), protos::Success>> {
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let mut req = protos::ApplySettings::new();
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if let Some(label) = label {
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req.set_label(label);
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}
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if let Some(use_passphrase) = use_passphrase {
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req.set_use_passphrase(use_passphrase);
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}
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if let Some(homescreen) = homescreen {
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req.set_homescreen(homescreen);
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}
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if let Some(auto_lock_delay_ms) = auto_lock_delay_ms {
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req.set_auto_lock_delay_ms(auto_lock_delay_ms as u32);
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}
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self.call(req, Box::new(|_, _| Ok(())))
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}
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pub fn sign_identity(
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&mut self,
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identity: protos::IdentityType,
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digest: Vec<u8>,
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curve: String,
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) -> Result<TrezorResponse<'_, Vec<u8>, protos::SignedIdentity>> {
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let mut req = protos::SignIdentity::new();
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req.identity = MessageField::some(identity);
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req.set_challenge_hidden(digest);
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req.set_challenge_visual("".to_owned());
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req.set_ecdsa_curve_name(curve);
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self.call(req, Box::new(|_, m| Ok(m.signature().to_owned())))
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}
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pub fn get_ecdh_session_key(
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&mut self,
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identity: protos::IdentityType,
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peer_public_key: Vec<u8>,
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curve: String,
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) -> Result<TrezorResponse<'_, protos::ECDHSessionKey, protos::ECDHSessionKey>> {
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let mut req = protos::GetECDHSessionKey::new();
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req.identity = MessageField::some(identity);
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req.set_peer_public_key(peer_public_key);
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req.set_ecdsa_curve_name(curve);
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self.call(req, Box::new(|_, m| Ok(m)))
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}
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}
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