class TrezorIdentityProvider(IdentityProvider):
def __init__(self, w3, index):
self.w3 = w3
self.client = TrezorClient(HidTransport.enumerate()[0])
self.index = index
self.address = self.w3.toChecksumAddress("0x" + bytes(
self.client.ethereum_get_address([
44 + bip32utils.BIP32_HARDEN, 60 +
bip32utils.BIP32_HARDEN, bip32utils.BIP32_HARDEN, 0, index
])).hex())
def get_address(self):
return self.address
def transact(self, transaction, out_f):
print("Sending transaction to trezor for signature...\n", file=out_f)
signature = self.client.ethereum_sign_tx(
n=[
44 + bip32utils.BIP32_HARDEN, 60 + bip32utils.BIP32_HARDEN,
bip32utils.BIP32_HARDEN, 0, self.index
],
nonce=transaction["nonce"],
gas_price=transaction["gasPrice"],
gas_limit=transaction["gas"],
to=bytearray.fromhex(transaction["to"][2:]),
value=transaction["value"],
data=bytearray.fromhex(transaction["data"][2:]))
transaction.pop("from")
unsigned_transaction = serializable_unsigned_transaction_from_dict(
transaction)
raw_transaction = encode_transaction(unsigned_transaction,
vrs=(signature[0],
int(signature[1].hex(), 16),
int(signature[2].hex(), 16)))
print("Submitting transaction...\n", file=out_f)
txn_hash = self.w3.eth.sendRawTransaction(raw_transaction)
# Wait for transaction to be mined
receipt = None
while receipt is None:
time.sleep(1)
receipt = self.w3.eth.getTransactionReceipt(txn_hash)
return receipt
# Currently broken (see https://github.com/ethereum/go-ethereum/issues/14794)
def sign_message(self, message, out_f):
# n = self.client._convert_prime([44 + bip32utils.BIP32_HARDEN,
# 60 + bip32utils.BIP32_HARDEN,
# bip32utils.BIP32_HARDEN,
# 0,
# self.index])
# print("Sending message to trezor for signature...\n", file=out_f)
# return self.client.call(proto.EthereumSignMessage(address_n=n, message=web3.Web3.sha3(hexstr=message)))
raise RuntimeError(
"Trezor's dogmatic developers have chosen to break message signing compatibility with no "
"security benefit to end users. Buy a ledger wallet here: https://www.ledgerwallet.com/"
)
class TrezorIdentityProvider(IdentityProvider):
def __init__(self, w3, index):
self.w3 = w3
self.client = TrezorClient(HidTransport.enumerate()[0])
self.index = index
self.address = self.w3.toChecksumAddress("0x" + bytes(
self.client.ethereum_get_address([
44 + bip32utils.BIP32_HARDEN, 60 +
bip32utils.BIP32_HARDEN, bip32utils.BIP32_HARDEN, 0, index
])).hex())
def get_address(self):
return self.address
def transact(self, transaction, out_f):
print("Sending transaction to trezor for signature...\n", file=out_f)
signature = self.client.ethereum_sign_tx(
n=[
44 + bip32utils.BIP32_HARDEN, 60 + bip32utils.BIP32_HARDEN,
bip32utils.BIP32_HARDEN, 0, self.index
],
nonce=transaction["nonce"],
gas_price=transaction["gasPrice"],
gas_limit=transaction["gas"],
to=bytearray.fromhex(transaction["to"][2:]),
value=transaction["value"],
data=bytearray.fromhex(transaction["data"][2:]))
transaction.pop("from")
unsigned_transaction = serializable_unsigned_transaction_from_dict(
transaction)
raw_transaction = encode_transaction(unsigned_transaction,
vrs=(signature[0],
int(signature[1].hex(), 16),
int(signature[2].hex(), 16)))
print("Submitting transaction...\n", file=out_f)
txn_hash = self.w3.eth.sendRawTransaction(raw_transaction)
# Wait for transaction to be mined
receipt = None
while receipt is None:
time.sleep(1)
receipt = self.w3.eth.getTransactionReceipt(txn_hash)
return receipt
def sign_message(self, message, out_f, agent_version=2):
n = self.client._convert_prime([
44 + bip32utils.BIP32_HARDEN, 60 + bip32utils.BIP32_HARDEN,
bip32utils.BIP32_HARDEN, 0, self.index
])
print("Sending message to trezor for signature...\n", file=out_f)
if agent_version == 1:
message = self.w3.sha3(hexstr=message)
else:
message = message.lower().encode("utf-8")
return self.client.call(
proto.EthereumSignMessage(address_n=n, message=message)).signature
class TrezorIdentityProvider(IdentityProvider):
def __init__(self, w3, index):
self.w3 = w3
self.client = TrezorClient(HidTransport.enumerate()[0])
self.index = index
self.address = self.w3.toChecksumAddress(
"0x" + bytes(self.client.ethereum_get_address([44 + BIP32_HARDEN,
60 + BIP32_HARDEN,
BIP32_HARDEN, 0,
index])).hex())
def get_address(self):
return self.address
def transact(self, transaction, out_f):
print("Sending transaction to trezor for signature...\n", file=out_f)
signature = self.client.ethereum_sign_tx(n=[44 + BIP32_HARDEN, 60 + BIP32_HARDEN,
BIP32_HARDEN, 0, self.index],
nonce=transaction["nonce"],
gas_price=transaction["gasPrice"],
gas_limit=transaction["gas"],
to=bytearray.fromhex(
transaction["to"][2:]),
value=transaction["value"],
data=bytearray.fromhex(transaction["data"][2:]))
transaction.pop("from")
unsigned_transaction = serializable_unsigned_transaction_from_dict(
transaction)
raw_transaction = encode_transaction(unsigned_transaction,
vrs=(signature[0],
int(signature[1].hex(), 16),
int(signature[2].hex(), 16)))
return send_and_wait_for_transaction(raw_transaction, self.w3, out_f)
def sign_message_after_soliditySha3(self, message):
n = self.client._convert_prime([44 + BIP32_HARDEN,
60 + BIP32_HARDEN,
BIP32_HARDEN,
0,
self.index])
return self.client.call(proto.EthereumSignMessage(address_n=n, message=message)).signature
