def extract_transaction_sender(transaction: BaseTransaction) -> Address:
if is_eip_155_signed_transaction(transaction):
if is_even(transaction.v):
v = 28
else:
v = 27
else:
v = transaction.v
r, s = transaction.r, transaction.s
canonical_v = v - 27
vrs = (canonical_v, r, s)
signature = keys.Signature(vrs=vrs)
message = transaction.get_message_for_signing()
public_key = signature.recover_public_key_from_msg(message)
sender = public_key.to_canonical_address()
return Address(sender)