def ethereum_sign_tx(self,
n,
nonce,
gas_price,
gas_limit,
value,
to=None,
to_n=None,
address_type=None,
exchange_type=None,
data=None,
chain_id=None,
token_shortcut=None,
token_value=None,
token_to=None):
from keepkeylib.tools import int_to_big_endian
n = self._convert_prime(n)
if address_type == types.TRANSFER: #Ethereum transfer transaction
msg = proto.EthereumSignTx(address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
value=int_to_big_endian(value),
to_address_n=to_n,
address_type=address_type)
elif address_type == types.EXCHANGE and token_to is None: #Ethereum exchange transaction
msg = proto.EthereumSignTx(address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
value=int_to_big_endian(value),
to_address_n=to_n,
exchange_type=exchange_type,
address_type=address_type)
elif address_type == types.EXCHANGE and token_to is not None:
msg = proto.EthereumSignTx(
address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
value=int_to_big_endian(value),
to_address_n=to_n,
exchange_type=exchange_type,
address_type=address_type,
token_value=token_value,
token_to=token_to,
token_shortcut=token_shortcut,
)
else:
if token_shortcut is None:
msg = proto.EthereumSignTx(
address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
value=int_to_big_endian(value))
else:
#erc20 token transfer
value_array = bytearray([0] * 32)
for ii, i in enumerate(int_to_big_endian(token_value)[::-1]):
value_array[31 - ii] = i
msg = proto.EthereumSignTx(
address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
token_value=bytes(value_array),
token_to=token_to,
token_shortcut=token_shortcut,
)
if to:
msg.to = to
if data:
msg.data_length = len(data)
data, chunk = data[1024:], data[:1024]
msg.data_initial_chunk = chunk
if chain_id:
msg.chain_id = chain_id
response = self.call(msg)
while response.HasField('data_length'):
data_length = response.data_length
data, chunk = data[data_length:], data[:data_length]
response = self.call(proto.EthereumTxAck(data_chunk=chunk))
if address_type:
return response.signature_v, response.signature_r, response.signature_s, response.hash, response.signature_der
else:
return response.signature_v, response.signature_r, response.signature_s
def ethereum_sign_tx(self, n, nonce, gas_price, gas_limit, value, to=None, to_n=None, address_type=None, exchange_type=None, data=None, chain_id=None):
from keepkeylib.tools import int_to_big_endian
n = self._convert_prime(n)
if address_type == types.TRANSFER: #Ethereum transfer transaction
msg = proto.EthereumSignTx(
address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
value=int_to_big_endian(value),
to_address_n=to_n,
address_type=address_type
)
elif address_type == types.EXCHANGE: #Ethereum exchange transaction
msg = proto.EthereumSignTx(
address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
value=int_to_big_endian(value),
to_address_n=to_n,
exchange_type=exchange_type,
address_type=address_type
)
else:
msg = proto.EthereumSignTx(
address_n=n,
nonce=int_to_big_endian(nonce),
gas_price=int_to_big_endian(gas_price),
gas_limit=int_to_big_endian(gas_limit),
value=int_to_big_endian(value)
)
if to:
msg.to = to
if data:
msg.data_length = len(data)
data, chunk = data[1024:], data[:1024]
msg.data_initial_chunk = chunk
if chain_id:
msg.chain_id = chain_id
response = self.call(msg)
while response.HasField('data_length'):
data_length = response.data_length
data, chunk = data[data_length:], data[:data_length]
response = self.call(proto.EthereumTxAck(data_chunk=chunk))
if address_type:
return response.signature_v, response.signature_r, response.signature_s, response.hash, response.signature_der
else:
return response.signature_v, response.signature_r, response.signature_s