def _get_rinkeby_w3():
logging.debug('Getting rinkeby w3 through infura')
w3 = Web3(HTTPProvider(
f'https://rinkeby.infura.io/v3/{settings.get_infura_api_key()}'))
w3.middleware_stack.inject(geth_poa_middleware, layer=0)
return w3
def exception_retry_request_setup():
web3 = Mock()
provider = HTTPProvider()
errors = (ConnectionError, HTTPError, Timeout, TooManyRedirects)
setup = exception_retry_middleware(provider.make_request, web3, errors, 5)
setup.web3 = web3
return setup
def main(contract_file, get_shell=False):
abi, bytecode = create_deploy_bytecode(contract_file)
w3 = Web3(HTTPProvider(RPC_URL))
acct = w3.eth.account.privateKeyToAccount(PRIVATE_KEY)
contract_ = w3.eth.contract(abi=abi, bytecode=bytecode)
construct_txn = contract_.constructor().buildTransaction({
'from':
acct.address,
'nonce':
w3.eth.getTransactionCount(acct.address),
'gas':
2000000,
'gasPrice':
w3.toWei('1', 'gwei')
})
# Deploy
print(f"Account address: {acct.address}")
receipt = None
signed = acct.signTransaction(construct_txn)
tx_hash = w3.eth.sendRawTransaction(signed.rawTransaction)
print(f'Deployed Transaction: {tx_hash.hex()}')
w3.eth.waitForTransactionReceipt(tx_hash)
print('Mined transaction')
receipt = w3.eth.waitForTransactionReceipt(tx_hash)
print(f'Contract Address: {receipt["contractAddress"]}')
print(f"Success?: {receipt['status'] == 1}")
print(receipt)
if get_shell:
import pdb
pdb.set_trace()
def run(method, address, game_id):
# Web3
INFURA_PROJECT_ID = os.environ['INFURA_PROJECT_ID']
INFURA_PROJECT_SECRET = os.environ['INFURA_PROJECT_SECRET']
headers = {"auth": ("", INFURA_PROJECT_SECRET)}
uri = 'https://ropsten.infura.io/v3/%s' % (INFURA_PROJECT_ID)
web3 = Web3(HTTPProvider(uri, headers))
# Owner
owner = Account.from_key(os.environ['PRIVATE_KEY_0x2048'])
# ABI
filepath = 'bin/combined.json'
with open(filepath) as f:
compiled_artifacts = json.load(f)
data = compiled_artifacts["contracts"]
contract_data = data["solidity/ArcadeProtocol.sol:ArcadeProtocol"]
abi = contract_data["abi"]
bytecode = contract_data["bin"]
# Run
interactor = ContractInteractor(web3)
if method == 'deploy':
interactor.deploy(abi, bytecode, from_addr=owner)
elif method == 'add_game':
price = 100000000000000 # 0.0001 ETH
fee = 1
interactor.set_contract(abi, address)
interactor.add_game(game_id, price, fee, from_addr=owner)
def get_web3(network: str = config["network"],
provider: str = config["provider"]) -> Web3:
"""
Get XinFin Web3 instance.
:param network: XinFin network, defaults to ``mainnet``.
:type network: str
:param provider: XinFin network provider, defaults to ``http``.
:type provider: str
:returns: Web3 -- XinFin Web3 instance.
>>> from swap.providers.xinfin.rpc import get_web3
>>> get_web3(network="testnet", provider="http")
<web3.main.Web3 object at 0x000001DDECCD0640>
"""
# Check parameter instances
if not is_network(network=network):
raise NetworkError(
f"Invalid XinFin '{network}' network",
"choose only 'mainnet', 'apothem' or 'testnet' networks.")
if provider == "http":
web3: Web3 = Web3(
HTTPProvider(endpoint_uri=URI(config[network]["http"]),
request_kwargs={"timeout": config["timeout"]}))
return web3
elif provider == "websocket":
web3: Web3 = Web3(
WebsocketProvider(endpoint_uri=URI(config[network]["websocket"])))
return web3
else:
raise ValueError(f"Invalid XinFin '{provider}' provider",
"choose only 'http' or 'websocket' providers.")
def move(payload):
errors = MovePayload().validate(payload)
if errors:
raise MovePayloadValidationError
# Validate session
sessions = redis.Redis.from_url(REDIS_URL)
session_id = payload['session_id']
serialized_session = sessions.get(session_id) or '{}'
session = json.loads(serialized_session)
errors = PaidSession().validate(session)
if errors:
raise PaidSessionValidationError
# Arcade protocol
user = session['user']
INFURA_PROJECT_ID = os.environ['INFURA_PROJECT_ID']
INFURA_PROJECT_SECRET = os.environ['INFURA_PROJECT_SECRET']
headers = {"auth": ("", INFURA_PROJECT_SECRET)}
uri = 'https://ropsten.infura.io/v3/%s' % (INFURA_PROJECT_ID)
provider = HTTPProvider(uri, headers)
contract = arcade_protocol.Contract(
provider,
ADDRESS,
ABI,
TwentyFortyEight.id,
)
game_interface = arcade_protocol.GameInterface(
contract,
player=user,
)
# Move
state = session['gamestate']
direction = payload['direction']
next_state = TwentyFortyEight.update(state, direction)
signed_score = game_interface.sign(KEY, next_state['score'])
# Set session
session_data = {
'paid': True,
'gamestate': next_state,
'user': user,
}
sessions.set(session_id, json.dumps(session_data))
# Set payload
payload = {
'board': next_state['board'],
'score': next_state['score'],
'gameover': next_state['gameover'],
'signed_score': signed_score,
}
return json.dumps(payload)
def get_web3(network: str = config["network"], provider: str = config["provider"],
token: Optional[str] = None) -> Web3:
"""
Get Ethereum Web3 instance.
:param network: Ethereum network, defaults to ``mainnet``.
:type network: str
:param provider: Ethereum network provider, defaults to ``http``.
:type provider: str
:param token: Infura API endpoint token, defaults to ``4414fea5f7454211956b1627621450b4``.
:type token: str
:returns: Web3 -- Ethereum Web3 instance.
>>> from swap.providers.ethereum.rpc import get_web3
>>> get_web3(network="testnet", provider="http", token="infura endpoint token ...")
<web3.main.Web3 object at 0x000001DDECCD0640>
"""
# Check parameter instances
if not is_network(network=network):
raise NetworkError(f"Invalid Ethereum '{network}' network",
"choose only 'mainnet', 'ropsten', 'kovan', 'rinkeby' or 'testnet' networks.")
endpoint: str = "ganache-cli" if network == "testnet" else "infura"
token: str = token if token else config[network][endpoint]["token"]
if provider == "http":
web3: Web3 = Web3(HTTPProvider(
URI(
f"{config[network]['infura']['http']}/{token}"
if token else config[network][endpoint]["http"]
),
request_kwargs={
"timeout": config["timeout"]
}
)
)
return web3
elif provider == "websocket":
web3: Web3 = Web3(WebsocketProvider(
URI(
f"{config[network]['infura']['websocket']}/{token}"
if token else config[network][endpoint]["websocket"]
)
)
)
return web3
else:
raise ValueError(f"Invalid Ethereum '{provider}' provider",
"choose only 'http' or 'websocket' providers.")
def load_provider_from_uri(uri_string, headers=None):
uri = urlparse(uri_string)
if uri.scheme == 'file':
return IPCProvider(uri.path)
elif uri.scheme in HTTP_SCHEMES:
return HTTPProvider(uri_string, headers)
elif uri.scheme in WS_SCHEMES:
return WebsocketProvider(uri_string)
else:
raise NotImplementedError(
'Web3 does not know how to connect to scheme %r in %r' % (
uri.scheme,
uri_string,
))
def load_provider_from_uri(
uri_string: URI,
headers: Optional[Dict[str, Tuple[str, str]]] = None) -> BaseProvider:
uri = urlparse(uri_string)
if uri.scheme == 'file':
return IPCProvider(uri.path)
elif uri.scheme in HTTP_SCHEMES:
return HTTPProvider(uri_string, headers)
elif uri.scheme in WS_SCHEMES:
return WebsocketProvider(uri_string)
else:
raise NotImplementedError(
f'Web3 does not know how to connect to scheme {uri.scheme!r} in {uri_string!r}'
)
def test_user_provided_session():
adapter = HTTPAdapter(pool_connections=20, pool_maxsize=20)
session = Session()
session.mount('http://', adapter)
session.mount('https://', adapter)
provider = HTTPProvider(endpoint_uri=URI, session=session)
web3 = Web3(provider)
assert web3.manager.provider == provider
session = request._get_session(URI)
adapter = session.get_adapter(URI)
assert isinstance(adapter, HTTPAdapter)
assert adapter._pool_connections == 20
assert adapter._pool_maxsize == 20
def test_retries(make_post_request_mock):
# use short backoff times to make the test run quickly
def quick_retry_middleware(make_request, web3):
return http_retry_with_backoff_middleware(
make_request,
web3,
retries=5,
first_backoff=0.01,
)
provider = HTTPProvider()
provider.middlewares.replace(
'http_retry_request',
quick_retry_middleware,
)
w3 = web3.Web3(provider)
# log the time since start each time the mock is called
start_time = time()
retry_times = []
def side_effect(*args, **kwargs):
retry_times.append(time() - start_time)
raise ConnectionError
make_post_request_mock.side_effect = side_effect
# the call must fail after the number of retries is exceeded
with pytest.raises(ConnectionError):
w3.eth.blockNumber()
# check timings
assert make_post_request_mock.call_count == 5
expected_times = [
0,
0.01,
0.01 + 0.02,
0.01 + 0.02 + 0.04,
0.01 + 0.02 + 0.04 + 0.08,
]
assert retry_times == pytest.approx(expected_times, abs=0.002, rel=0.3)
# try again to make sure that each request starts with a clean backoff
start_time = time()
retry_times = []
with pytest.raises(ConnectionError):
w3.eth.blockNumber()
assert retry_times == pytest.approx(expected_times, abs=0.002, rel=0.3)
def load_provider_from_environment():
uri_string = os.environ.get('WEB3_PROVIDER_URI', '')
if not uri_string:
return None
uri = urlparse(uri_string)
if uri.scheme == 'file':
return IPCProvider(uri.path)
elif uri.scheme == 'http':
return HTTPProvider(uri_string)
else:
raise NotImplementedError(
'Web3 does not know how to connect to scheme %r in %r' % (
uri.scheme,
uri_string,
))
def test_retries(make_post_request_mock):
# use short backoff times to make the test run quickly
def quick_retry_middleware(make_request, web3):
return http_retry_with_backoff_middleware(make_request,
web3,
retries=5,
first_backoff=0.01)
provider = HTTPProvider()
provider.middlewares.replace("http_retry_request",
quick_retry_middleware) # type: ignore
web3 = Web3(provider)
# log the time since start each time the mock is called
start_time = time()
retry_times = []
def side_effect(*_args, **_kwargs):
retry_times.append(time() - start_time)
raise requests.exceptions.ConnectionError
make_post_request_mock.side_effect = side_effect
# the call must fail after the number of retries is exceeded
with pytest.raises(requests.exceptions.ConnectionError):
web3.eth.blockNumber # pylint: disable=pointless-statement
# check timings
assert make_post_request_mock.call_count == 5
expected_times = [
0, 0.01, 0.01 + 0.02, 0.01 + 0.02 + 0.04, 0.01 + 0.02 + 0.04 + 0.08
]
assert retry_times == pytest.approx(expected_times, abs=0.006, rel=0.3)
# try again to make sure that each request starts with a clean backoff
start_time = time()
retry_times = []
with pytest.raises(requests.exceptions.ConnectionError):
web3.eth.blockNumber # pylint: disable=pointless-statement
assert retry_times == pytest.approx(expected_times, abs=0.006, rel=0.3)
def __init__(self,
key_file=None,
private_key=None,
account='0x0000000000000000000000000000000000000000',
password=None,
auth_type=None,
node_url=None):
"""
Devise constructor
:param key_file: An encrypted json keystore file, requires a password to decrypt
:param private_key: An Ethereum private key to use to sign messages and smart contract transactions
:param account: The Ethereum address to use to sign messages and smart contract transactions
:param password: The password to decrypt the encrypted key store file.
:param auth_type: One of "ledger", or "trezor", "key_file", "private_key", "software".
If auth_type is None (the default), we will attempt to use each signing methods until one is found in the
order: hardware, private_key, key_file, then software.
Note: the software option will attempt the locate the account specified in the local Ethereum Wallet
path for the current user.
:param node_url: An Ethereum node to connect to
"""
assert key_file or private_key or account, "Please specify one of: account, key_file or private_key!"
assert not (
key_file and private_key
), "Please specify either key_file or private_key, not both!"
# logging
self.logger = logging.getLogger(__name__)
self.logger.setLevel(logging.INFO)
self.logger.handlers.clear()
self.logger.addHandler(logging.StreamHandler())
# Initialize credentials for transaction and message signing
self._init_credentials(key_file, private_key, account, password,
auth_type)
# Connect to node url
if node_url is None:
node_url = get_default_node_url()
provider = HTTPProvider(node_url)
self.w3 = Web3(provider)
self._network_id = self._get_network_id()
network = NODE_TO_NETWORK.get(node_url, "CUSTOM")
if network == "MAINNET":
self.logger.info(
"!!!!!! WARNING: CONNECTED TO THE MAIN ETHEREUM NETWORK. "
"ALL TRANSACTIONS ARE FINAL. !!!!!")
elif network == "CUSTOM":
self.logger.info(
"WARNING: Connected to the Ethereum network corresponding "
"to your chosen node (%s)! All transactions are final!" %
node_url)
else:
self.logger.info("INFO: Connected to the %s Ethereum network." %
network)
# inject the poa compatibility middleware to the innermost layer
self.w3.middleware_stack.inject(geth_poa_middleware, layer=0)
# Automatically determine necessary gas based on 5min to mine avg time
self.w3.eth.setGasPriceStrategy(medium_gas_price_strategy)
import os
import sys
import time
from web3.providers import HTTPProvider
from web3 import Web3
from eth_account import Account
from migrate.legacy_rep import LEGACY_REP_ADDRESS, LEGACY_REP_ABI
from migrate.rep import REP_ADDRESS, REP_ABI
CHAIN_ID = 103
GAS_PRICE_IN_GWEI = '5'
w3 = Web3(HTTPProvider())
legacyReputationToken = w3.eth.contract(address=LEGACY_REP_ADDRESS, abi=LEGACY_REP_ABI)
reputationToken = w3.eth.contract(address=REP_ADDRESS, abi=REP_ABI)
def migrate():
private_key = os.environ.get('ETHEREUM_PRIVATE_KEY')
if not private_key:
print("No value found for required environment variable ETHEREUM_PRIVATE_KEY")
sys.exit()
account = Account.privateKeyToAccount(private_key)
address = account.address
nonce = w3.eth.getTransactionCount(address)
v1_balance = legacyReputationToken.functions.balanceOf(address).call()
import os
import arcade_protocol
from game.game import (
TwentyFortyEight, )
from web3.providers import (
HTTPProvider, )
from webserver.config import (
ADDRESS,
ABI,
)
infura_project_id = os.environ['INFURA_PROJECT_ID']
infura_project_secret = os.environ['INFURA_PROJECT_SECRET']
headers = {"auth": ("", infura_project_secret)}
uri = 'https://ropsten.infura.io/v3/%s' % (infura_project_id)
provider = HTTPProvider(uri, headers)
game_id = TwentyFortyEight.id
arcade_contract = lambda: arcade_protocol.Contract(
provider,
ADDRESS,
ABI,
game_id,
)
import os
import sys
import time
from web3.providers import HTTPProvider
from web3 import Web3
from eth_account import Account
from migrate.legacy_rep import LEGACY_REP_ADDRESS, LEGACY_REP_ABI
from migrate.rep import REP_ADDRESS, REP_ABI
w3 = Web3(HTTPProvider(os.environ.get('ETHEREUM_HTTP')))
legacyReputationToken = w3.eth.contract(address=LEGACY_REP_ADDRESS,
abi=LEGACY_REP_ABI)
reputationToken = w3.eth.contract(address=REP_ADDRESS, abi=REP_ABI)
def migrate():
private_key = os.environ.get('ETHEREUM_PRIVATE_KEY')
if not private_key:
print(
"No value found for required environment variable ETHEREUM_PRIVATE_KEY"
)
sys.exit()
account = Account.privateKeyToAccount(private_key)
address = account.address
nonce = w3.eth.getTransactionCount(address)
def __init__(self, providers):
self.providers = [
HTTPProvider(provider) for provider in providers.split(",")
]
def test_is_strictly_default_http_middleware():
web3 = HTTPProvider()
assert 'http_retry_request' in web3.middlewares
web3 = IPCProvider()
assert 'http_retry_request' not in web3.middlewares
def _get_ropsten_w3():
logging.debug('Getting ropsten w3 through infura')
return Web3(HTTPProvider(
f'https://ropsten.infura.io/v3/{settings.get_infura_api_key()}'))
def test_no_args():
provider = HTTPProvider()
web3 = Web3(provider)
assert web3.manager.provider == provider
def _get_parity_w3():
logging.debug('Getting parity w3')
return Web3(HTTPProvider(settings.parity_endpoint()))
def test_check_with_all_middlewares(make_post_request_mock):
provider = HTTPProvider()
w3 = web3.Web3(provider)
with pytest.raises(ConnectionError):
w3.eth.blockNumber()
assert make_post_request_mock.call_count == 5
def test_init_kwargs():
provider = HTTPProvider(endpoint_uri=URI, request_kwargs={'timeout': 60})
web3 = Web3(provider)
assert web3.manager.provider == provider
