def get_contract(self):
with open(self.sol_path) as f:
contract_source_code = f.read()
compiled_sol = compile_source(
contract_source_code) # Compiled source code
contract_interface = compiled_sol['<stdin>:Lottery']
w3 = Web3(web3.HTTPProvider(config["url"]))
self.w3 = w3
# set pre-funded account as sender
acct = None
if not self.account_key:
if config["one_ether"].get("account"):
w3.eth.defaultAccount = account.address
else:
w3.eth.defaultAccount = w3.eth.accounts[0]
print("use the default accounts[0]")
else:
acct = w3.eth.account.privateKeyToAccount(self.account_key)
w3.eth.defaultAccount = acct.address
# Instantiate and deploy contract
compiled = w3.eth.contract(abi=contract_interface['abi'],
bytecode=contract_interface['bin'])
# deploy contract
if not self.contract_address:
if not acct:
raise Exception(
"account key should be set when there is no contract!")
contract_ = w3.eth.contract(abi=contract_interface['abi'],
bytecode=contract_interface['bin'])
construct_txn = contract_.constructor().buildTransaction({
'from':
acct.address,
'nonce':
w3.eth.getTransactionCount(acct.address),
'gasPrice':
self.w3.eth.gasPrice
})
signed = acct.signTransaction(construct_txn)
tx_hash = w3.eth.sendRawTransaction(signed.rawTransaction)
print("waiting for contract receipted", end="", flush=True)
count = 0
tx_receipt = None
while not tx_receipt and (count < 300):
time.sleep(1)
tx_receipt = w3.eth.getTransactionReceipt(tx_hash)
print(".", end="", flush=True)
print()
if not tx_receipt:
raise Exception("timeout for contract receipted!")
self.contract_address = tx_receipt.contractAddress
# Create the contract instance with the newly-deployed address
self.contract = w3.eth.contract(
address=self.contract_address,
abi=contract_interface['abi'],
)
print("contract address: {}".format(self.contract_address))
def connect(port=None, dev_mode=None):
global w3, _buffered_accounts, send_rpc_mine_block_commands
if port is None:
ports = [7545, 8545]
else:
ports = port
if w3 is None or not w3.isConnected():
# large request timeout required for performance tests
for p in ports:
w3 = web3.Web3(
web3.HTTPProvider(f"http://127.0.0.1:{p}",
request_kwargs={"timeout": 60 * 10}))
if w3.isConnected():
if port is None:
send_rpc_mine_block_commands = p == 7545
break
_buffered_accounts = None
if dev_mode:
send_rpc_mine_block_commands = False
assert w3.isConnected(), "Connecting to local Ethereum node failed!"
return w3
def main():
parser = argparse.ArgumentParser(prog="check-balances")
parser.add_argument("--endpoint", default=W3_ENDPOINT)
subparsers = parser.add_subparsers(dest="command")
show_balance_parser = subparsers.add_parser("balance")
show_balance_parser.add_argument("token-address")
show_balance_parser.add_argument("-a", "--account", default="0")
transfer_parser = subparsers.add_parser("transfer")
transfer_parser.add_argument("token-address")
transfer_parser.add_argument("amount", type=int)
transfer_parser.add_argument("-f", "--from", default="0")
transfer_parser.add_argument("-t", "--to", default="1")
allowance_parser = subparsers.add_parser("allowance")
allowance_parser.add_argument("token-address")
allowance_parser.add_argument("--spender")
allowance_parser.add_argument("-a", "--account", default="0")
args = vars(parser.parse_args())
w3 = web3.Web3(web3.HTTPProvider(args["endpoint"]))
manager = W3Manager(w3)
if args["command"] == "balance":
manager.show_balance(args["token-address"], args["account"])
elif args["command"] == "transfer":
manager.transfer_tokens(args["token-address"], args["from"],
args["to"], args["amount"])
elif args["command"] == "allowance":
manager.show_allowance(args["token-address"], args["account"],
args["spender"])
else:
print("no command passed")
def __init__(self):
self.w3 = web3.Web3(web3.HTTPProvider(self.ganache_url))
self.w3.eth.defaultAccount = self.w3.eth.accounts[0]
print (self.w3.eth.accounts)
self.contract = self.w3.eth.contract(
address=self.address,
abi=self.abi)
def signup(request):
if request.method == 'POST':
form = UserCreationForm(request.POST)
if form.is_valid():
form.save()
username = form.cleaned_data.get('username')
raw_password = form.cleaned_data.get('password1')
user = authenticate(username=username, password=raw_password)
w3 = web3.Web3(web3.HTTPProvider(node_url))
address = w3.personal.newAccount(raw_password)
var = UserExt(userId=user,
address=address,
stockA=0,
stockB=0,
stockC=0,
stockD=0,
stockE=0)
var.save()
login(request, user)
return redirect('index')
else:
form = UserCreationForm()
return render(request, 'signup.html', {'form': form})
def connect(port=None, dev=None, poa=None):
global w3, _buffered_accounts, send_rpc_mine_block_commands, _poa
if port is None:
ports = [7545, 8545]
else:
ports = port
if w3 is None or not w3.isConnected():
# large request timeout required for performance tests
for p in ports:
w3 = web3.Web3(web3.HTTPProvider(f"http://127.0.0.1:{p}", request_kwargs={"timeout": 60 * 1000}))
if (_poa in [None, False]) and (poa or _poa):
# print("using poa mode")
w3 = web3.auto.gethdev.w3
# w3.middleware_onion.inject(geth_poa_middleware, layer=0)
_poa = True
if w3.isConnected():
if port is None:
send_rpc_mine_block_commands = p == 7545
break
_buffered_accounts = None
if dev:
send_rpc_mine_block_commands = True
assert w3.isConnected(), "Connecting to local Ethereum node failed!"
return w3
def web3_provider(self):
w3 = web3.Web3(web3.HTTPProvider(self.ETH_RPC_PROVIDER))
try:
w3.eth.defaultAccount = self.node_key_store.address
except Exception as e:
logger.exception(e)
return w3
def get_contract():
base_url = "https://raw.githubusercontent.com/adriamb/bettingon/96e26fa6faa883119c425c526a20cc542636c7a9/contracts"
contract_addr = "0x7B77eBD4760D80A12586097ec1527ff8367a067f"
src = "pragma solidity ^0.4.11;\n" + \
get_and_filter(base_url+'/Directory.sol') + \
get_and_filter(base_url+'/PriceUpdater.sol') + \
get_and_filter(base_url+'/Bettingon.sol')
compiled = solc.compile_source(src)
w3 = web3.Web3(web3.HTTPProvider('http://localhost:8546'))
contract_factory = web3.contract.construct_contract_factory(
web3=w3, abi=compiled['<stdin>:Bettingon']['abi'])
contract = contract_factory(contract_addr)
try:
contract.call().boat()
except web3.exceptions.BadFunctionCallOutput:
raise RuntimeError(
'Cannot continue, seems that blockchain node is not yet sync.')
return contract
def get_web3(rpc_endpoint):
if rpc_endpoint.startswith("ws:"):
provider = web3.WebsocketProvider(rpc_endpoint)
else:
provider = web3.HTTPProvider(rpc_endpoint)
return web3.Web3(provider)
def index(request):
user = UserExt.objects.get(userId=request.user)
w3 = web3.Web3(web3.HTTPProvider(node_url))
d = {}
d["balance"] = w3.eth.getBalance(user.address)
d["StockA"] = user.stockA
d["StockB"] = user.stockB
d["StockC"] = user.stockC
d["StockD"] = user.stockD
d["StockE"] = user.stockE
d["address"] = user.address
d["OtherUsers"] = UserExt.objects.exclude(userId=request.user)
d2 = {
"A": Stocks.objects.get(name="A").price,
"B": Stocks.objects.get(name="B").price,
"C": Stocks.objects.get(name="C").price,
"D": Stocks.objects.get(name="D").price,
"E": Stocks.objects.get(name="E").price
}
return render(request, 'index.html', {
'userdict': d,
'stockdict': d2,
})
class transaction():
with open("abi.txt", 'r') as file:
abi = json.load(file)
print('lohdasjfn lgnkjfdsbgjkasdn gjkadgj')
contract_address = web3.Web3.toChecksumAddress("0xE736577B09beEE37C47D05abe0C64E520815ABF9")
w3 = web3.Web3(web3.HTTPProvider('http://127.0.0.1:7545'))
con = w3.eth.contract(address=contract_address, abi=abi)
w3.eth.defaultAccount = w3.eth.accounts[0]
def auth(self):
login = '******'
password = ''
public_key = self.con.functions.logins(login).call()
#Check login password
if 1:
self.w3.eth.defaultAccount = public_key
return public_key
def reg(self, address, login, fio, fiz_address, password):
self.con.functions.add_user(login, fio, fiz_address).transact({'from': address})
def set_admin(self):
string = 'lll (0xc50De47A6E56f894645eddE455b347Cdc956cd2B)'
index = string.find('(')
address = string[index + 1:len(string) - 1]
address = web3.Web3.toChecksumAddress(address)
self.con.functions.set_admin(address).transact()
def del_admin(self):
string = 'lll (0xc50De47A6E56f894645eddE455b347Cdc956cd2B)'
index = string.find('(')
address = string[index + 1:len(string) - 1]
print(address)
address = web3.Web3.toChecksumAddress(address)
self.con.functions.del_admin(address).transact()
def view_txns_user(request):
txnList = []
w3 = web3.Web3(web3.HTTPProvider(node_url))
cI = w3.eth.contract(abi,
contract_address,
ContractFactoryClass=ConciseContract)
user = UserExt.objects.get(userId=request.user)
tmp = TxnDB.objects.filter(user=user)
for i in tmp:
buyer, seller, balance = cI.getTxn(i.txnID)
t = {
"id": i.txnID,
"buyer": buyer,
"seller": seller,
"balance": balance,
"stock": i.stock,
"quantity": i.quantity
}
txnList.append(t)
head = "MY TRANSACTIONS"
return render(request, 'transactions.html', {
'head': head,
'transactions': txnList,
})
def __init__(self, host='localhost', port='8545'):
try:
self.ethereum = web3.Web3(web3.HTTPProvider('{host}:{port}'.format(host=host, port=port)))
self.ethereum.eth.blockNumber
self.contract = None
except InvalidSchema:
logging.error('Cannot connect to ethereum provider!')
raise EthereumConnectionError
def __init__(self):
self.geth = web3.Web3(web3.HTTPProvider("HTTP://26.200.208.237:7545"))
self.geth.eth.defaultAccount = self.geth.eth.accounts[0]
print(self.geth.eth.accounts)
self.cont = self.geth.eth.contract(address=self.address, abi=self.abi)
for i in range(len(self.accounts())):
self.cont.functions.add_user(self.accounts()[i]).transact()
def connect():
global w3
if w3 is None or not w3.isConnected:
# large request timeout require for performance tests
w3 = web3.Web3(
web3.HTTPProvider('http://127.0.0.1:8545',
request_kwargs={'timeout': 60 * 10}))
assert w3.isConnected
return w3
def connect(port=8545):
global w3
if w3 is None or not w3.isConnected:
# large request timeout required for performance tests
w3 = web3.Web3(
web3.HTTPProvider(f"http://127.0.0.1:{port}",
request_kwargs={"timeout": 60 * 10}))
assert w3.isConnected
return w3
def __init__(self, name: str, rpc_address: str, chain_id: int, b64_private_key: str):
self.blockchain = "ethereum"
self.name = name
self.rpc_address = rpc_address
self.chain_id = chain_id
self.priv_key = eth_keys.keys.PrivateKey(base64.b64decode(b64_private_key))
self.address = self.priv_key.public_key.to_checksum_address()
self.w3 = web3.Web3(web3.HTTPProvider(self.rpc_address))
# Set gas strategy
self.w3.eth.setGasPriceStrategy(web3.gas_strategies.time_based.medium_gas_price_strategy)
def __init__(self, network, address, rpc_endpoint_url, safe_relay_url):
"""Initializes a Safe.
"""
self.network = network
self.address = address
self.w3 = web3.Web3(web3.HTTPProvider(rpc_endpoint_url))
# https://web3py.readthedocs.io/en/stable/middleware.html#geth-style-proof-of-authority
self.w3.middleware_stack.inject(geth_poa_middleware, layer=0)
self.contract = get_safe_contract(w3=self.w3, address=self.address)
self.safe_relay = Relay(safe_relay_url)
def _get_highest_known_block_infura(self):
"""Get the highest known block from Consensys Infura"""
infura_uri = "https://mainnet.infura.io/%s" % (self.infura_api_key)
try:
infura_web3 = web3.Web3(web3.HTTPProvider(infura_uri))
number = infura_web3.ifa.blockNumber
return int(number)
except:
self.console.error("Could not retrieve from Infura.")
return False
def is_valid_feedbk(self, net_id, usr_addr, msg_txt, sign):
try:
provider = web3.HTTPProvider(NETWORKS[net_id]['http_provider'])
w3 = web3.Web3(provider)
message = w3.sha3(text=msg_txt)
message_hash = defunct_hash_message(primitive=message)
recovered = str(w3.eth.account.recoverHash(message_hash, signature=sign))
return str(usr_addr).lower() == recovered.lower()
except Exception as e:
print(repr(e))
raise e
return False
def get_client() -> web3.Web3:
client = web3.Web3(web3.HTTPProvider("http://127.0.0.1:7545"))
if not client.isConnected():
print("Not connected")
raise RuntimeError("Not connected")
client.middleware_onion.inject(web3.middleware.geth_poa_middleware,
layer=0)
print(f"Connected: {client.clientVersion}")
return client
def __init__(self, u_addr):
self.w3 = web3.Web3(web3.HTTPProvider('http://192.168.0.2:8545'))
with open(f'{os.path.dirname(__file__)}/abi.txt', 'r') as f:
abi = json.load(f)
with open(f'{os.path.dirname(__file__)}/contract_address.txt', 'r') as f:
contract_address = f.read()
contract_address = web3.Web3.toChecksumAddress(contract_address)
self.contract = self.w3.eth.contract(contract_address, abi=abi)
self.u_addr = web3.Web3.toChecksumAddress(u_addr)
self.w3.eth.defaultAccount(self.u_addr)
class transaction():
with open("C:/Users/wegas/workspace/Autorisation/abi.txt", 'r') as file:
abi = json.load(file)
print('lohdasjfn lgnkjfdsbgjkasdn gjkadgj')
contract_address = web3.Web3.toChecksumAddress(
"0x77e31a6550d5e0aac92b3c7264554CF781bbD897")
w3 = web3.Web3(web3.HTTPProvider('http://127.0.0.1:7545'))
con = w3.eth.contract(address=contract_address, abi=abi)
w3.eth.defaultAccount = w3.eth.accounts[0]
def auth(self):
public_key = self.con.functions.logins(ContractApp.login).call()
#Check login password
if 1:
self.w3.eth.defaultAccount = ContractApp.public_key
return public_key
def reg(self, address, login, fio, fiz_address, password):
address = web3.Web3.toChecksumAddress(address)
self.con.functions.add_user(login, fio,
fiz_address).transact({'from': address})
def set_admin(self, string):
address = string
"""
index = string.find('(')
address = string[index + 1:len(string) - 1]
"""
address = web3.Web3.toChecksumAddress(address)
self.con.functions.set_admin(address).transact()
def del_admin(self, string):
address = string
"""
index = string.find('(')
address = string[index + 1:len(string) - 1]
"""
address = web3.Web3.toChecksumAddress(address)
self.con.functions.del_admin(address).transact()
def set_postman(self, string):
index = string.find('(')
address = string[index + 1:len(string) - 1]
address = web3.Web3.toChecksumAddress(address)
self.con.functions.set_postman(address).transact()
def del_postman(self, string):
index = string.find('(')
address = string[index + 1:len(string) - 1]
address = web3.Web3.toChecksumAddress(address)
self.con.functions.del_postman(address).transact()
def _get_provider(self) -> web3.HTTPProvider:
# Maintain 'eth' and 'etc' values for backwords compatibility
if self.network == "ETH_MAINNET":
provider = Networks.Mainnet.value
elif self.network == "ETH_ROPSTEN":
provider = Networks.Ropsten.value
elif self.network == "ETC_MAINNET":
provider = Networks.Classic.value
elif self.network == "ETC_MORDEN":
provider = Networks.Morden.value
else:
raise RuntimeError("Invalid network specified.")
return web3.HTTPProvider(provider)
def _init_web3(self, rpc_url, passwd):
"""
Initialize Web3 and unlock the zeroth account.
:param rpc_url: HTTP URL where the RPC server can be found
:param passwd: passphrase for the zeroth account
:return: Web3 object
"""
w3 = web3.Web3(web3.HTTPProvider(rpc_url))
w3.personal.unlockAccount(w3.eth.accounts[0], passwd, 0)
if self.debug:
print('Initialized Web3')
return w3
def __init__(self, eth_node, contract_address, contract_abi):
"""
:param eth_node: address of ethereum node (example: http://localhost:8545)
:param contract_address: erc20 token contract address
:param contract_abi: erc20 token contract ABI
"""
self.eth_node = eth_node
self.contract_address = contract_address
self.contract_abi = contract_abi
self.w3provider = web3.HTTPProvider(eth_node)
self.w3 = web3.Web3(self.w3provider)
self.erc20 = self.w3.eth.contract(contract_address, abi=contract_abi)
def __init__(self):
# w3 = web3.Web3(web3.HTTPProvider("https://rinkeby.infura.io/xxxxxxxxx")) # Test network
w3 = web3.Web3(web3.HTTPProvider(
"https://api.myetherapi.com/eth")) # Real network
self._amc_contract = w3.eth.contract(
abi=am_abi.amc_abi,
# address="0xc4aB0302F2BeA6DE476614f7c20DaE8F35D03A08") # Test network
address="0xc26aA9AD649C5Def6d7f94fc46667F70210fE565"
) # Real network
self._am_ico_contract = w3.eth.contract(
# abi=am_abi.test_am_ico_abi, # Test network
abi=am_abi.am_ico_abi, # Real network
# address="0x9A0f9bdBAf42e98172F6CDC07caAFa9a7c75762c") # Test network
address="0x4D8Cf569C2fd7C436F44dEa3763C6BF967358e8D"
) # Real network
def __init__(self, config, metadata, options):
self._config = config
eth_rpc_endpoint = self._config.get("eth_rpc_endpoint",
"https://mainnet.infura.io")
provider = web3.HTTPProvider(eth_rpc_endpoint)
self.web3 = web3.Web3(provider)
self.mpe_contract = MPEContract(self.web3)
self.account = Account(self.web3, self._config, self.mpe_contract)
self.options = options
self.metadata = metadata
self.expiry_threshold = self.metadata["payment_expiration_threshold"]
self._base_grpc_channel = self._get_grpc_channel()
self.payment_channel_state_service_client = self._generate_payment_channel_state_service_client(
)
self.payment_channels = []
self.last_read_block = 0
def get(self, request, address):
key = '{}/balance'.format(address)
cached = cache.get(key)
if cached:
return HttpResponse(cached, content_type='image/svg+xml')
if not web3.Web3.isAddress(address):
attrs = {'text': 'Invalid Address'}
return render(request, self.template, attrs, content_type='image/svg+xml')
provider = web3.Web3(web3.HTTPProvider(settings.PROVIDER_URL))
balance = web3.Web3.fromWei(provider.eth.getBalance(address), 'ether')
attrs = {
'text': '{:.6f} Ether'.format(balance),
}
rendered = render_to_string(self.template, attrs)
cache.set(key, rendered)
return HttpResponse(rendered, content_type='image/svg+xml')
class pnh():
with open("C:/Users/wegas/workspace/WorldSkills/abi.txt", 'r') as file:
abi = json.load(file)
contract_address = web3.Web3.toChecksumAddress(
"0x4E59E181C01Ca724F6014f4f0892Fd5098876Ef8")
w3 = web3.Web3(web3.HTTPProvider('http://127.0.0.1:7545'))
con = w3.eth.contract(address=contract_address, abi=abi)
w3.eth.defaultAccount = w3.eth.accounts[0]
def auth(self):
login = '******'
password = ''
public_key = self.con.functions.logins(login).call()
#Check login password
if 1:
self.w3.eth.defaultAccount = public_key
return public_key
def reg(self):
address = web3.Web3.toChecksumAddress(
'0xc50De47A6E56f894645eddE455b347Cdc956cd2B')
login = '******'
fio = 'manman'
fiz_address = '22'
password = ''
self.con.functions.add_user(login, fio,
fiz_address).transact({'from': address})
def set_admin(self):
string = 'lll (0xc50De47A6E56f894645eddE455b347Cdc956cd2B)'
index = string.find('(')
address = string[index + 1:len(string) - 1]
address = web3.Web3.toChecksumAddress(address)
self.con.functions.set_admin(address).transact()
def del_admin(self):
string = 'lll (0xc50De47A6E56f894645eddE455b347Cdc956cd2B)'
index = string.find('(')
address = string[index + 1:len(string) - 1]
print(address)
address = web3.Web3.toChecksumAddress(address)
self.con.functions.del_admin(address).transact()
