cic-internal-integration/apps/data-seeding/cic_eth/traffic/common/signer.py

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# standard imports
import logging
# external imports
from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
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from crypto_dev_signer.keystore.dict import DictKeystore
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logg = logging.getLogger(__name__)
keystore = DictKeystore()
def from_keystore(keyfile):
global keystore
# signer
if keyfile == None:
raise ValueError('please specify signer keystore file')
logg.debug('loading keystore file {}'.format(keyfile))
address = keystore.import_keystore_file(keyfile)
signer = EIP155Signer(keystore)
return (address, signer,)