def disconnect(kill_rpc: bool = True) -> None:
"""Disconnects from the network."""
if not is_connected():
raise ConnectionError("Not connected to any network")
CONFIG.clear_active()
if kill_rpc and rpc.is_active():
if rpc.is_child():
rpc.kill()
web3.disconnect()
_notify_registry(0)
def connect(network: str = None, launch_rpc: bool = True) -> None:
"""Connects to the network.
Args:
network: string of of the name of the network to connect to
Network information is retrieved from brownie-config.json"""
if is_connected():
raise ConnectionError(
f"Already connected to network '{CONFIG.active_network['id']}'")
try:
active = CONFIG.set_active_network(network)
host = active["host"]
if ":" not in host.split("//", maxsplit=1)[-1]:
try:
host += f":{active['cmd_settings']['port']}"
except KeyError:
pass
web3.connect(host, active.get("timeout", 30))
if CONFIG.network_type == "development" and launch_rpc and not rpc.is_active(
):
if is_connected():
if web3.eth.blockNumber != 0:
warnings.warn(
f"Development network has a block height of {web3.eth.blockNumber}",
BrownieEnvironmentWarning,
)
rpc.attach(host)
else:
rpc.launch(active["cmd"], **active["cmd_settings"])
else:
Accounts()._reset()
if CONFIG.network_type == "live" or CONFIG.settings[
"dev_deployment_artifacts"]:
for p in project.get_loaded_projects():
p._load_deployments()
except Exception:
CONFIG.clear_active()
web3.disconnect()
raise
def connect(network: str = None, launch_rpc: bool = True) -> None:
"""Connects to the network.
Args:
network: string of of the name of the network to connect to
Network information is retrieved from brownie-config.json"""
if is_connected():
raise ConnectionError(f"Already connected to network '{CONFIG.active_network['id']}'")
try:
active = CONFIG.set_active_network(network)
if "host" not in active:
raise KeyError(f"No host in brownie-config.json for network '{active['id']}'")
host = active["host"]
if ":" not in host.split("//", maxsplit=1)[-1]:
try:
host += f":{active['cmd_settings']['port']}"
except KeyError:
pass
web3.connect(host)
if CONFIG.network_type == "development" and launch_rpc and not rpc.is_active():
if is_connected():
if web3.eth.blockNumber != 0:
raise ValueError("Local RPC Client has a block height > 0")
rpc.attach(host)
else:
rpc.launch(active["cmd"], **active["cmd_settings"])
else:
Accounts()._reset()
if CONFIG.network_type == "live":
for p in project.get_loaded_projects():
p._load_deployments()
except Exception:
CONFIG.clear_active()
web3.disconnect()
raise
