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use protos;
use super::{handle_interaction, Trezor};
use crate::error::Result;
use primitive_types::U256;
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct AccessListItem {
pub address: String,
pub storage_keys: Vec<Vec<u8>>,
}
#[derive(Debug, Clone, PartialEq, Eq, Copy)]
pub struct Signature {
pub r: U256,
pub s: U256,
pub v: u64,
}
impl Trezor {
pub fn ethereum_get_address(&mut self, path: Vec<u32>) -> Result<String> {
let mut req = protos::EthereumGetAddress::new();
req.set_address_n(path);
let address = handle_interaction(
self.call(req, Box::new(|_, m: protos::EthereumAddress| Ok(m.get_address().into())))?,
)?;
Ok(address)
}
pub fn ethereum_sign_message(&mut self, message: Vec<u8>, path: Vec<u32>) -> Result<Signature> {
let mut req = protos::EthereumSignMessage::new();
req.set_address_n(path);
req.set_message(message);
let signature = handle_interaction(self.call(
req,
Box::new(|_, m: protos::EthereumMessageSignature| {
let signature = m.get_signature();
let v = signature[64] as u64;
let r = U256::from_big_endian(&signature[0..32]);
let s = U256::from_big_endian(&signature[32..64]);
Ok(Signature {
r,
v,
s,
})
}),
)?)?;
Ok(signature)
}
#[allow(clippy::too_many_arguments)]
pub fn ethereum_sign_tx(
&mut self,
path: Vec<u32>,
nonce: Vec<u8>,
gas_price: Vec<u8>,
gas_limit: Vec<u8>,
to: String,
value: Vec<u8>,
_data: Vec<u8>,
chain_id: u64,
) -> Result<Signature> {
let mut req = protos::EthereumSignTx::new();
let mut data = _data;
req.set_address_n(path);
req.set_nonce(nonce);
req.set_gas_price(gas_price);
req.set_gas_limit(gas_limit);
req.set_value(value);
req.set_chain_id(chain_id);
req.set_to(to);
req.set_data_length(data.len() as u32);
req.set_data_initial_chunk(data.splice(..std::cmp::min(1024, data.len()), []).collect());
let mut resp =
handle_interaction(self.call(req, Box::new(|_, m: protos::EthereumTxRequest| Ok(m)))?)?;
while resp.get_data_length() > 0 {
let mut ack = protos::EthereumTxAck::new();
ack.set_data_chunk(data.splice(..std::cmp::min(1024, data.len()), []).collect());
resp = self.call(ack, Box::new(|_, m: protos::EthereumTxRequest| Ok(m)))?.ok()?;
}
if resp.get_signature_v() <= 1 {
resp.set_signature_v(resp.get_signature_v() + 2 * (chain_id as u32) + 35);
}
Ok(Signature {
r: resp.get_signature_r().into(),
v: resp.get_signature_v().into(),
s: resp.get_signature_s().into(),
})
}
#[allow(clippy::too_many_arguments)]
pub fn ethereum_sign_eip1559_tx(
&mut self,
path: Vec<u32>,
nonce: Vec<u8>,
gas_limit: Vec<u8>,
to: String,
value: Vec<u8>,
_data: Vec<u8>,
chain_id: u64,
max_gas_fee: Vec<u8>,
max_priority_fee: Vec<u8>,
access_list: Vec<AccessListItem>,
) -> Result<Signature> {
let mut req = protos::EthereumSignTxEIP1559::new();
let mut data = _data;
req.set_address_n(path);
req.set_nonce(nonce);
req.set_max_gas_fee(max_gas_fee);
req.set_max_priority_fee(max_priority_fee);
req.set_gas_limit(gas_limit);
req.set_value(value);
req.set_chain_id(chain_id);
req.set_to(to);
if !access_list.is_empty() {
let mut list_access = Vec::new();
for item in access_list {
let mut access = protos::EthereumSignTxEIP1559_EthereumAccessList::new();
access.set_address(item.address);
access.set_storage_keys(protobuf::RepeatedField::from_vec(item.storage_keys));
list_access.push(access)
}
req.set_access_list(protobuf::RepeatedField::from_vec(list_access.clone()));
}
req.set_data_length(data.len() as u32);
req.set_data_initial_chunk(data.splice(..std::cmp::min(1024, data.len()), []).collect());
let mut resp =
handle_interaction(self.call(req, Box::new(|_, m: protos::EthereumTxRequest| Ok(m)))?)?;
while resp.get_data_length() > 0 {
let mut ack = protos::EthereumTxAck::new();
ack.set_data_chunk(data.splice(..std::cmp::min(1024, data.len()), []).collect());
resp = self.call(ack, Box::new(|_, m: protos::EthereumTxRequest| Ok(m)))?.ok()?
}
if resp.get_signature_v() <= 1 {
resp.set_signature_v(resp.get_signature_v() + 2 * (chain_id as u32) + 35);
}
Ok(Signature {
r: resp.get_signature_r().into(),
v: resp.get_signature_v().into(),
s: resp.get_signature_s().into(),
})
}
}