ethereum>=2.3.0 ZODB>=5.3.0 z3-solver>=4.5 laser-ethereum>=0.5.20 requests BTrees plyvel py-solc eth_abi>=1.0.0 eth-utils>=1.0.1 eth-account>=0.1.0a2 eth-hash>=0.1.0 eth-keyfile>=0.5.1 eth-keys>=0.2.0b3 eth-rlp>=0.1.0 eth-tester>=0.1.0b21 coverage jinja2