我一直在尝试编写一个简单的web3.py程序来从我的Trezor发送事务。我能够在我的Trezor上对事务进行签名,并且执行该操作的函数(ethereum.sign_tx())返回事务的V、R和S签名的元组,如下所示:
(42, b"\xa1\xd8blablablax883", b'<\x7f\xd0Eblablabla6\xe7\xe2Fc')
我的问题是如何将这些签名转换为可以使用Web3.eth.sendRawTransaction()函数发送的序列化形式。完整代码为:
from trezorlib.client import get_default_client
from trezorlib.tools import parse_path
from trezorlib import ethereum
from web3 import Web3
def main():
# Use first connected device
client = get_default_client()
ropsten = Web3(Web3.HTTPProvider("https://ropsten.infura.io/v3/7xxxxxxxxx23dee70e4aa"))
# Get the first address of first BIP44 account
# (should be the same address as shown in wallet.trezor.io)
bip32_path = parse_path("44'/60'/0'/0/0")
address = ethereum.get_address(client, bip32_path)
nonce = ropsten.eth.getTransactionCount(address)
tx = ethereum.sign_tx(client, bip32_path, nonce, Web3.toWei(1, 'gwei'), 21000, "0x7ccc4a67eB76b5B1C8Efc62672A6884A9B7bFDb7", Web3.toWei(1, 'ether'), chain_id=3)
#sent = ropsten.eth.sendRawTransaction(tx)
if __name__ == "__main__":
main()
您可以做
trezorctl
所做的事情并使用rlp.encode
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