confini<0.5.0,>=0.3.6rc3
crypto-dev-signer<=0.4.14,>=0.4.14b7
chainlib-eth<=0.0.6,>=0.0.5a2
eth_erc20~=0.0.10a2

[testing]
eth-tester==0.5.0b2
py-evm==0.3.0a20
