ERROR: raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPConnectionPool(host='127.0.0.1', port=7545): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f6e001a6400>: Failed to establish a new connection: [Errno 111] Connection refused'))
import json import solcx from solcx import compile_standard from web3 import Web3 with open("./SimpleStorage.sol","r") as file: simple_storage_file= file.read() ''' print(simple_storage_file) ''' compiled_sol = compile_standard( { "language": "Solidity", "sources":{"Simplestorage.sol":{"content":simple_storage_file}}, "settings":{ "outputSelection":{ "*":{"*":["abi","metadata","evm.bytecode","evm.sourceMap"]} } }, }, solc_version="0.6.0", ) with open("compiled_code.json","w") as file: json.dump(compiled_sol,file) bytecode = compiled_sol["contracts"]["Simplestorage.sol"]["Simplestorage"]["evm"][ "bytecode" ]["object"] #get abi abi=compiled_sol["contracts"]['Simplestorage.sol']["Simplestorage"]["abi"] w3 = Web3(Web3.HTTPProvider("HTTP://127.0.0.1:7545")) chain_id = 5777 my_address = "0xd8001711E3F781D3c762fF2D5e10504CE3033240" private_key ="0x0ed2c7e46aab218aa085032d315c16d32c0215dd60f0122810378fc636370ff4" Simplestorage = w3.eth.contract(abi=abi, bytecode=bytecode) nonce = w3.eth.getTransactionCount(my_address) print(nonce) 
