cic-internal-integration/apps/cic-eth/cic_eth/eth/rpc.py

40 lines
1.1 KiB
Python

# standard imports
import logging
# local imports
from cic_eth.eth.gas import GasOracle
logg = logging.getLogger()
class RpcClient(GasOracle):
"""RPC wrapper for web3 enabling gas calculation helpers and signer middleware.
:param chain_spec: Chain spec
:type chain_spec: cic_registry.chain.ChainSpec
:param holder_address: DEPRECATED Address of subject of the session.
:type holder_address: str, 0x-hex
"""
signer_ipc_path = None
"""Unix socket path to JSONRPC signer and keystore"""
web3_constructor = None
"""Custom function to build a web3 object with middleware plugins"""
def __init__(self, chain_spec, holder_address=None):
(self.provider, w3) = RpcClient.web3_constructor()
super(RpcClient, self).__init__(w3)
self.chain_spec = chain_spec
if holder_address != None:
self.holder_address = holder_address
logg.info('gasprice {}'.format(self.gas_price()))
@staticmethod
def set_constructor(web3_constructor):
"""Sets the constructor to use for building the web3 object.
"""
RpcClient.web3_constructor = web3_constructor