Replace crypto_dev_signer with funga

chainlib/eth/unittest/base.py

@@ -25,8 +25,8 @@ from hexathon import (
         )
 from chainlib.eth.tx import receipt
 
-from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
-from crypto_dev_signer.encoding import private_key_to_address
+from funga.eth.signer import EIP155Signer
+from funga.eth.encoding import private_key_to_address
 
 
 logg = logging.getLogger().getChild(__name__)

chainlib/eth/unittest/ethtester.py

@@ -5,8 +5,8 @@ import logging
 
 # external imports
 import eth_tester
-from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
-from crypto_dev_signer.keystore.dict import DictKeystore
+from funga.eth.signer import EIP155Signer
+from funga.eth.keystore.dict import DictKeystore
 from hexathon import (
         strip_0x,
         add_0x,