A bunch of errors at SimpleStorage.constructor().buildTransaction | w3.eth.getTransactionCount

import json from web3 import Web3 from solcx import compile_standard from os import getenv from dotenv import load_dotenv load_dotenv() with open("./contracts/SimpleStorage.sol", "r") as file: simple_storage_file = file.read() # Solidity source code compiled_sol = compile_standard( { "language": "Solidity", "sources": {"SimpleStorage.sol": {"content": simple_storage_file}}, "settings": { "outputSelection": { "*": { "*": ["abi", "metadata", "evm.bytecode", "evm.bytecode.sourceMap"] } } }, }, solc_version="0.6.0", ) with open("compiled_code.json", "w") as file: json.dump(compiled_sol, file) # get bytecode bytecode = compiled_sol["contracts"]["SimpleStorage.sol"]["SimpleStorage"]["evm"][ "bytecode" ]["object"] # get abi abi = json.loads( compiled_sol["contracts"]["SimpleStorage.sol"]["SimpleStorage"]["metadata"] )["output"]["abi"] # For connecting to ganache w3 = Web3(Web3.HTTPProvider("http://0.0.0.0:8545")) chain_id = 1337 my_address = "0x8A004259EF5504DEEA89b10F14dAac0b1Fd8bB2C" private_key = getenv("PRIVATE_KEY") # Create the contract in Python SimpleStorage = w3.eth.contract(abi=abi, bytecode=bytecode) # Get the latest transaction nonce = w3.eth.getTransactionCount(my_address) # <- if I comment out this line of code the no error is thrown print(nonce) # # Submit the transaction that deploys the contract # transaction = SimpleStorage.constructor().buildTransaction( # { # "chainId": chain_id, # "from": my_address, # "nonce": nonce, # } # ) # # Sign the transaction # signed_txn = w3.eth.account.sign_transaction(transaction, private_key=private_key) # print(signed_txn)

INFO: Could not find files for the given pattern(s). Traceback (most recent call last): File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connection.py", line 174, in _new_conn conn = connection.create_connection( File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\connection.py", line 96, in create_connection raise err File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\connection.py", line 86, in create_connection sock.connect(sa) OSError: [WinError 10049] O endereço pedido não é válido no seu contexto During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py", line 699, in urlopen httplib_response = self._make_request( File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py", line 394, in _make_request conn.request(method, url, **httplib_request_kw) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connection.py", line 239, in request super(HTTPConnection, self).request(method, url, body=body, headers=headers) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\http\client.py", line 1276, in request self._send_request(method, url, body, headers, encode_chunked) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\http\client.py", line 1322, in _send_request self.endheaders(body, encode_chunked=encode_chunked) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\http\client.py", line 1271, in endheaders self._send_output(message_body, encode_chunked=encode_chunked) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\http\client.py", line 1031, in _send_output self.send(msg) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\http\client.py", line 969, in send self.connect() File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connection.py", line 205, in connect conn = self._new_conn() File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connection.py", line 186, in _new_conn raise NewConnectionError( urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x0000020C455BB520>: Failed to establish a new connection: [WinError 10049] O endereço pedido não é válido no seu contexto During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\adapters.py", line 439, in send resp = conn.urlopen( File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\connectionpool.py", line 755, in urlopen retries = retries.increment( File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\urllib3\util\retry.py", line 574, in increment raise MaxRetryError(_pool, url, error or ResponseError(cause)) urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='0.0.0.0', port=8545): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x0000020C455BB520>: Failed to establish a new connection: [WinError 10049] O endereço pedido não é válido no seu contexto')) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Users\User\Learn\SolidityCourse\demos\web3_py_simple_storage\deploy.py", line 56, in <module> nonce = w3.eth.getTransactionCount(my_address) # <- if I comment out this line of code the no error is thrown File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\module.py", line 57, in caller result = w3.manager.request_blocking(method_str, File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\manager.py", line 197, in request_blocking response = self._make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\manager.py", line 150, in _make_request return request_func(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\formatting.py", line 94, in middleware response = make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\gas_price_strategy.py", line 90, in middleware return make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\formatting.py", line 94, in middleware response = make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\attrdict.py", line 33, in middleware response = make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\formatting.py", line 94, in middleware response = make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\formatting.py", line 94, in middleware response = make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\formatting.py", line 94, in middleware response = make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\buffered_gas_estimate.py", line 40, in middleware return make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\middleware\exception_retry_request.py", line 105, in middleware return make_request(method, params) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\providers\rpc.py", line 88, in make_request raw_response = make_post_request( File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\_utils\request.py", line 48, in make_post_request response = session.post(endpoint_uri, data=data, *args, **kwargs) # type: ignore File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\sessions.py", line 590, in post return self.request('POST', url, data=data, json=json, **kwargs) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\sessions.py", line 542, in request resp = self.send(prep, **send_kwargs) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\sessions.py", line 655, in send r = adapter.send(request, **kwargs) File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\requests\adapters.py", line 516, in send raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPConnectionPool(host='0.0.0.0', port=8545): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x0000020C455BB520>: Failed to establish a new connection: [WinError 10049] O endereço pedido não é válido no seu contexto'))

Ok, so I figured it out. I changed the Ganache server hostname to 127.0.0.1 and now it's working. But I'm getting a new error now with

transaction = SimpleStorage.constructor().buildTransaction(
    {
        "chainId": chain_id,
        "from": my_address,
        "nonce": nonce,
    }
)

Error(s):

INFO: Could not find files for the given pattern(s).
C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\eth.py:633: UserWarning: There was an issue with the method eth_maxPriorityFeePerGas. Calculating using eth_feeHistory.
  warnings.warn(
Traceback (most recent call last):
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\eth.py", line 631, in max_priority_fee
    return self._max_priority_fee()
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\module.py", line 57, in caller
    result = w3.manager.request_blocking(method_str,
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\manager.py", line 198, in request_blocking
    return self.formatted_response(response,
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\manager.py", line 171, in formatted_response
    raise ValueError(response["error"])
ValueError: {'message': 'Method eth_maxPriorityFeePerGas not supported.', 'code': -32000, 'data': {'stack': 'Error: Method eth_maxPriorityFeePerGas not supported.\n    at GethApiDouble.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\geth_api_double.js:70:16)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at GethDefaults.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\gethdefaults.js:15:12)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at SubscriptionSubprovider.FilterSubprovider.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\subproviders\\filters.js:89:7)\n    at SubscriptionSubprovider.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\subproviders\\subscriptions.js:137:49)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at DelayedBlockFilter.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\delayedblockfilter.js:31:3)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at RequestFunnel.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\requestfunnel.js:32:12)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at Web3ProviderEngine._handleAsync (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:123:3)\n    at Timeout._onTimeout (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:107:12)\n    at listOnTimeout (internal/timers.js:531:17)\n    at processTimers (internal/timers.js:475:7)', 'name': 'Error'}}

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\User\Learn\SolidityCourse\demos\web3_py_simple_storage\deploy.py", line 58, in <module>
    transaction = SimpleStorage.constructor().buildTransaction(
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\eth_utils\decorators.py", line 18, in _wrapper
    return self.method(obj, *args, **kwargs)
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\contract.py", line 684, in buildTransaction
    return fill_transaction_defaults(self.web3, built_transaction)
  File "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__
    return self.func(*args, **kwargs)
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\_utils\transactions.py", line 114, in fill_transaction_defaults
    default_val = default_getter(web3, transaction)
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\_utils\transactions.py", line 64, in <lambda>
    web3.eth.max_priority_fee + (2 * web3.eth.get_block('latest')['baseFeePerGas'])
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\eth.py", line 637, in max_priority_fee
    return fee_history_priority_fee(self)
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\_utils\fee_utils.py", line 45, in fee_history_priority_fee
    fee_history = eth.fee_history(*PRIORITY_FEE_HISTORY_PARAMS)  # type: ignore
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\eth.py", line 863, in fee_history
    return self._fee_history(block_count, newest_block, reward_percentiles)
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\module.py", line 57, in caller
    result = w3.manager.request_blocking(method_str,
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\manager.py", line 198, in request_blocking
    return self.formatted_response(response,
  File "C:\Users\User\AppData\Local\Programs\Python\Python310\lib\site-packages\web3\manager.py", line 171, in formatted_response
    raise ValueError(response["error"])
ValueError: {'message': 'Method eth_feeHistory not supported.', 'code': -32000, 'data': {'stack': 'Error: Method eth_feeHistory not supported.\n    at GethApiDouble.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\geth_api_double.js:70:16)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at GethDefaults.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\gethdefaults.js:15:12)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at SubscriptionSubprovider.FilterSubprovider.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\subproviders\\filters.js:89:7)\n    at SubscriptionSubprovider.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\subproviders\\subscriptions.js:137:49)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at DelayedBlockFilter.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\delayedblockfilter.js:31:3)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at RequestFunnel.handleRequest (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\lib\\subproviders\\requestfunnel.js:32:12)\n    at next (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:136:18)\n    at Web3ProviderEngine._handleAsync (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:123:3)\n    at Timeout._onTimeout (C:\\Program Files\\WindowsApps\\GanacheUI_2.5.4.0_x64__5dg5pnz03psnj\\app\\resources\\static\\node\\node_modules\\ganache-core\\node_modules\\web3-provider-engine\\index.js:107:12)\n    at listOnTimeout (internal/timers.js:531:17)\n    at processTimers (internal/timers.js:475:7)', 'name': 'Error'}}

transaction = SimpleStorage.constructor().buildTransaction( { "chainId": chain_id, "from": my_address, "gasPrice": w3.eth.gas_price, # <- missing this argument "nonce": nonce, } )

PatrickAlphaC / web3_py_simple_storage

A bunch of errors at SimpleStorage.constructor().buildTransaction | w3.eth.getTransactionCount #25