funga/crypto_dev_signer/eth/web3ext/__init__.py

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import re
from web3 import Web3 as Web3super
from web3 import WebsocketProvider, HTTPProvider
2020-08-08 11:33:15 +02:00
from .middleware import PlatformMiddleware
re_websocket = re.compile('^wss?://')
re_http = re.compile('^https?://')
#def create_middleware(ipcaddr='/var/run/cic-platform/cic.ipc'):
def create_middleware(ipcaddr='/tmp/foo.ipc'):
PlatformMiddleware.ipcaddr = ipcaddr
return PlatformMiddleware
# overrides the original Web3 constructor
def Web3(blockchain_provider='ws://localhost:8546', ipcaddr=None):
provider = None
if re.match(re_websocket, blockchain_provider) != None:
provider = WebsocketProvider(blockchain_provider)
elif re.match(re_http, blockchain_provider) != None:
provider = HTTPProvider(blockchain_provider)
w3 = Web3super(provider)
w3.middleware_onion.add(create_middleware())
w3.eth.personal = w3.geth.personal
return w3