cic-cli/cic/ext/eth/rpc.py
William Luke 47a9b259ae
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fix: add getpass
2022-03-14 15:48:36 +03:00

72 lines
2.1 KiB
Python

# standard imports
from getpass import getpass
import logging
import os
import stat
# external imports
from funga.eth.keystore.dict import DictKeystore
from funga.eth.signer import EIP155Signer
from chainlib.cli import Wallet
from chainlib.eth.cli import Rpc
# local imports
from cic.keystore import KeystoreDirectory
logg = logging.getLogger(__name__)
class EthKeystoreDirectory(DictKeystore, KeystoreDirectory):
"""Combination of DictKeystore and KeystoreDirectory
TODO: Move to funga
"""
def get_passphrase():
return getpass('Enter passphrase: ')
def parse_adapter(config, signer_hint):
"""Determine and instantiate signer and rpc from configuration.
If either could not be determined, None is returned.
:param config: Configuration object implementing the get() method
:type config: dict, object with get()
:param signer_hint: Signer resource description (e.g. keystore directory)
:type signer_hint: str
:rtype: tuple; chainlib.connection.RPCConnection, funga.signer.Signer
:return: RPC interface, signer interface
"""
keystore = None
if signer_hint is None:
logg.info("signer hint missing")
return None
st = os.stat(signer_hint)
if stat.S_ISDIR(st.st_mode):
logg.debug("signer hint is directory")
keystore = EthKeystoreDirectory()
keystore.process_dir(signer_hint, password_retriever=get_passphrase)
w = Wallet(EIP155Signer, keystore=keystore)
signer = EIP155Signer(keystore)
rpc = Rpc(wallet=w)
rpc.connect_by_config(config)
return (rpc.conn, signer)
# TODO Find a better place for this
def list_keys(config, signer_hint):
keystore = None
if signer_hint is None:
logg.info("signer hint missing")
return None
st = os.stat(signer_hint)
if stat.S_ISDIR(st.st_mode):
logg.debug("signer hint is directory")
keystore = EthKeystoreDirectory()
keystore.process_dir(signer_hint, default_password=config.get('WALLET_PASSPHRASE', ''), password_retriever=get_passphrase)
return keystore.list()