0g-storage-node/tests/test_framework/blockchain_node.py

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import os
import subprocess
import tempfile
import time
import rlp
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from eth_utils import decode_hex, keccak
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from web3 import Web3, HTTPProvider
from web3.middleware import construct_sign_and_send_raw_middleware
from enum import Enum, unique
from config.node_config import (
GENESIS_PRIV_KEY,
GENESIS_PRIV_KEY1,
TX_PARAMS,
MINER_ID,
)
from utility.simple_rpc_proxy import SimpleRpcProxy
from utility.utils import (
initialize_config,
wait_until,
estimate_st_performance
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)
from test_framework.contracts import load_contract_metadata
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@unique
class BlockChainNodeType(Enum):
Conflux = 0
BSC = 1
Evmos = 2
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def block_time(self):
if self == BlockChainNodeType.Conflux:
return 0.5
elif self == BlockChainNodeType.BSC:
return 25 / estimate_st_performance()
else:
return 3.0
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@unique
class NodeType(Enum):
BlockChain = 0
Zgs = 1
class FailedToStartError(Exception):
"""Raised when a node fails to start correctly."""
class TestNode:
def __init__(
self, node_type, index, data_dir, rpc_url, binary, config, log, rpc_timeout=10
):
assert os.path.exists(binary), ("Binary not found: %s" % binary)
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self.node_type = node_type
self.index = index
self.data_dir = data_dir
self.rpc_url = rpc_url
self.config = config
self.rpc_timeout = rpc_timeout
self.process = None
self.stdout = None
self.stderr = None
self.config_file = os.path.join(self.data_dir, "config.toml")
self.args = [binary, "--config", self.config_file]
self.running = False
self.rpc_connected = False
self.rpc = None
self.log = log
def __del__(self):
if self.process:
self.process.terminate()
def __getattr__(self, name):
"""Dispatches any unrecognised messages to the RPC connection."""
assert self.rpc_connected and self.rpc is not None, self._node_msg(
"Error: no RPC connection"
)
return getattr(self.rpc, name)
def _node_msg(self, msg: str) -> str:
"""Return a modified msg that identifies this node by its index as a debugging aid."""
return "[node %s %d] %s" % (self.node_type, self.index, msg)
def _raise_assertion_error(self, msg: str):
"""Raise an AssertionError with msg modified to identify this node."""
raise AssertionError(self._node_msg(msg))
def setup_config(self):
os.mkdir(self.data_dir)
initialize_config(self.config_file, self.config)
def start(self, redirect_stderr=False):
my_env = os.environ.copy()
if self.stdout is None:
self.stdout = tempfile.NamedTemporaryFile(
dir=self.data_dir, prefix="stdout", delete=False
)
if self.stderr is None:
self.stderr = tempfile.NamedTemporaryFile(
dir=self.data_dir, prefix="stderr", delete=False
)
if redirect_stderr:
self.process = subprocess.Popen(
self.args,
stdout=self.stdout,
stderr=self.stdout,
cwd=self.data_dir,
env=my_env,
)
else:
self.process = subprocess.Popen(
self.args,
stdout=self.stdout,
stderr=self.stderr,
cwd=self.data_dir,
env=my_env,
)
self.running = True
def wait_for_rpc_connection(self):
raise NotImplementedError
def _wait_for_rpc_connection(self, check):
"""Sets up an RPC connection to the node process. Returns False if unable to connect."""
# Poll at a rate of four times per second
poll_per_s = 4
for _ in range(poll_per_s * self.rpc_timeout):
if self.process.poll() is not None:
raise FailedToStartError(
self._node_msg(
"exited with status {} during initialization".format(
self.process.returncode
)
)
)
rpc = SimpleRpcProxy(self.rpc_url, timeout=self.rpc_timeout)
if check(rpc):
self.rpc_connected = True
self.rpc = rpc
return
time.sleep(1.0 / poll_per_s)
self._raise_assertion_error(
"failed to get RPC proxy: index = {}, rpc_url = {}".format(
self.index, self.rpc_url
)
)
def stop(self, expected_stderr="", kill=False, wait=True):
"""Stop the node."""
if not self.running:
return
if kill:
self.process.kill()
else:
self.process.terminate()
if wait:
self.wait_until_stopped(close_stdout_stderr=False)
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# Check that stderr is as expected
self.stderr.seek(0)
stderr = self.stderr.read().decode("utf-8").strip()
# TODO: Check how to avoid `pthread lock: Invalid argument`.
if stderr != expected_stderr and stderr != "pthread lock: Invalid argument":
# print process status for debug
if self.return_code is None:
self.log.info("Process is still running")
else:
self.log.info(
"Process has terminated with code {}".format(self.return_code)
)
raise AssertionError(
"Unexpected stderr {} != {} from node={}{}".format(
stderr, expected_stderr, self.node_type, self.index
)
)
self.__safe_close_stdout_stderr__()
def __safe_close_stdout_stderr__(self):
if self.stdout is not None:
self.stdout.close()
self.stdout = None
if self.stderr is not None:
self.stderr.close()
self.stderr = None
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def __is_node_stopped__(self):
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"""Checks whether the node has stopped.
Returns True if the node has stopped. False otherwise.
This method is responsible for freeing resources (self.process)."""
if not self.running:
return True
return_code = self.process.poll()
if return_code is None:
return False
# process has stopped. Assert that it didn't return an error code.
# assert return_code == 0, self._node_msg(
# "Node returned non-zero exit code (%d) when stopping" % return_code
# )
self.running = False
self.process = None
self.rpc = None
self.log.debug("Node stopped")
self.return_code = return_code
return True
def wait_until_stopped(self, close_stdout_stderr=True, timeout=20):
wait_until(self.__is_node_stopped__, timeout=timeout)
if close_stdout_stderr:
self.__safe_close_stdout_stderr__()
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class BlockchainNode(TestNode):
def __init__(
self,
index,
data_dir,
rpc_url,
binary,
local_conf,
contract_path,
log,
blockchain_node_type,
rpc_timeout=10,
):
self.contract_path = contract_path
self.blockchain_node_type = blockchain_node_type
super().__init__(
NodeType.BlockChain,
index,
data_dir,
rpc_url,
binary,
local_conf,
log,
rpc_timeout,
)
def wait_for_rpc_connection(self):
self._wait_for_rpc_connection(lambda rpc: rpc.eth_syncing() is False)
def wait_for_start_mining(self):
self._wait_for_rpc_connection(lambda rpc: int(rpc.eth_blockNumber(), 16) > 0)
def wait_for_transaction_receipt(self, w3, tx_hash, timeout=120, parent_hash=None):
return w3.eth.wait_for_transaction_receipt(tx_hash, timeout)
def setup_contract(self, enable_market, mine_period):
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w3 = Web3(HTTPProvider(self.rpc_url))
account1 = w3.eth.account.from_key(GENESIS_PRIV_KEY)
account2 = w3.eth.account.from_key(GENESIS_PRIV_KEY1)
w3.middleware_onion.add(
construct_sign_and_send_raw_middleware([account1, account2])
)
# account = w3.eth.account.from_key(GENESIS_PRIV_KEY1)
# w3.middleware_onion.add(construct_sign_and_send_raw_middleware(account))
def deploy_contract(name, args=None):
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if args is None:
args = []
contract_interface = load_contract_metadata(base_path=self.contract_path, name=name)
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contract = w3.eth.contract(
abi=contract_interface["abi"],
bytecode=contract_interface["bytecode"],
)
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tx_params = TX_PARAMS.copy()
del tx_params["gas"]
tx_hash = contract.constructor(*args).transact(tx_params)
tx_receipt = self.wait_for_transaction_receipt(w3, tx_hash)
contract = w3.eth.contract(
address=tx_receipt.contractAddress,
abi=contract_interface["abi"],
)
return contract, tx_hash
def predict_contract_address(offset):
nonce = w3.eth.get_transaction_count(account1.address)
rlp_encoded = rlp.encode([decode_hex(account1.address), nonce + offset])
contract_address_bytes = keccak(rlp_encoded)[-20:]
contract_address = '0x' + contract_address_bytes.hex()
return Web3.to_checksum_address(contract_address)
def deploy_no_market():
flowAddress = predict_contract_address(1)
mineAddress = predict_contract_address(2)
ZERO = "0x0000000000000000000000000000000000000000"
self.log.debug("Start deploy contracts")
book, _ = deploy_contract("AddressBook", [flowAddress, ZERO, ZERO, mineAddress]);
self.log.debug("AddressBook deployed")
flow_contract, flow_contract_hash = deploy_contract("Flow", [book.address, mine_period, 0])
self.log.debug("Flow deployed")
mine_contract, _ = deploy_contract("PoraMineTest", [book.address, 0])
self.log.debug("Mine deployed")
self.log.info("All contracts deployed")
# tx_hash = mine_contract.functions.setMiner(decode_hex(MINER_ID)).transact(TX_PARAMS)
# self.wait_for_transaction_receipt(w3, tx_hash)
dummy_reward_contract = w3.eth.contract(
address = book.functions.reward().call(),
abi=load_contract_metadata(base_path=self.contract_path, name="IReward")["abi"],
)
return flow_contract, flow_contract_hash, mine_contract, dummy_reward_contract
def deploy_with_market():
mineAddress = predict_contract_address(1)
marketAddress = predict_contract_address(2)
rewardAddress = predict_contract_address(3)
flowAddress = predict_contract_address(4)
LIFETIME_MONTH = 1
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self.log.debug("Start deploy contracts")
book, _ = deploy_contract("AddressBook", [flowAddress, marketAddress, rewardAddress, mineAddress]);
self.log.debug("AddressBook deployed")
mine_contract, _ = deploy_contract("PoraMineTest", [book.address, 0])
deploy_contract("FixedPrice", [book.address, LIFETIME_MONTH])
reward_contract, _ =deploy_contract("OnePoolReward", [book.address, LIFETIME_MONTH])
flow_contract, flow_contract_hash = deploy_contract("FixedPriceFlow", [book.address, mine_period, 0])
self.log.info("All contracts deployed")
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# tx_hash = mine_contract.functions.setMiner(decode_hex(MINER_ID)).transact(TX_PARAMS)
# self.wait_for_transaction_receipt(w3, tx_hash)
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return flow_contract, flow_contract_hash, mine_contract, reward_contract
if enable_market:
return deploy_with_market()
else:
return deploy_no_market()
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def get_contract(self, contract_address):
w3 = Web3(HTTPProvider(self.rpc_url))
account1 = w3.eth.account.from_key(GENESIS_PRIV_KEY)
account2 = w3.eth.account.from_key(GENESIS_PRIV_KEY1)
w3.middleware_onion.add(
construct_sign_and_send_raw_middleware([account1, account2])
)
contract_interface = load_contract_metadata(self.contract_path, "Flow")
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return w3.eth.contract(address=contract_address, abi=contract_interface["abi"])
def wait_for_transaction(self, tx_hash):
w3 = Web3(HTTPProvider(self.rpc_url))
w3.eth.wait_for_transaction_receipt(tx_hash)
def start(self):
super().start(self.blockchain_node_type == BlockChainNodeType.BSC)