def sign_and_send_raw_middleware(make_request, w3):
format_and_fill_tx = compose(
format_transaction,
fill_transaction_defaults(w3),
fill_nonce(w3))
def middleware(method, params):
if method != "eth_sendTransaction":
return make_request(method, params)
else:
transaction = format_and_fill_tx(params[0])
if 'from' not in transaction:
return make_request(method, params)
elif transaction.get('from') not in accounts:
return make_request(method, params)
account = accounts[transaction['from']]
raw_tx = account.signTransaction(transaction).rawTransaction.hex()
return make_request(
"eth_sendRawTransaction",
[raw_tx])
return middleware
def sign_and_send_raw_middleware(
make_request: Callable[[RPCEndpoint, Any], Any],
w3: "Web3") -> Callable[[RPCEndpoint, Any], RPCResponse]:
format_and_fill_tx = compose(format_transaction,
fill_transaction_defaults(w3),
fill_nonce(w3))
def middleware(method: RPCEndpoint, params: Any) -> RPCResponse:
if method != "eth_sendTransaction":
return make_request(method, params)
else:
transaction = format_and_fill_tx(params[0])
if 'from' not in transaction:
return make_request(method, params)
elif transaction.get('from') not in accounts:
return make_request(method, params)
account = accounts[transaction['from']]
raw_tx = account.sign_transaction(transaction).rawTransaction
return make_request(RPCEndpoint("eth_sendRawTransaction"),
[raw_tx])
return middleware
def sign_and_send_raw_middleware(make_request, w3):
format_and_fill_tx = compose(
format_transaction,
fill_transaction_defaults(w3),
fill_nonce(w3))
def middleware(method, params):
if method != "eth_sendTransaction":
return make_request(method, params)
else:
transaction = format_and_fill_tx(params[0])
if 'from' not in transaction:
return make_request(method, params)
elif transaction.get('from') not in accounts:
return make_request(method, params)
account = accounts[transaction['from']]
raw_tx = account.signTransaction(transaction).rawTransaction
return make_request(
"eth_sendRawTransaction",
[raw_tx])
return middleware
def _build_and_sign_transaction(function_call, *, web3, transaction_options,
private_key):
account = Account.privateKeyToAccount(private_key)
if "from" in transaction_options and transaction_options[
"from"] != account.address:
raise ValueError(
"From can not be set in transaction_options if a private key is used"
)
transaction_options["from"] = account.address
transaction = fill_nonce(
web3, function_call.buildTransaction(transaction_options))
return account.signTransaction(transaction)