get_balance helper
get_balance helper

ethereum/pyethapp,changwu-tw/pyethapp,ethereum/pyethapp,d-das/pyethapp,vaporry/pyethapp,gsalgado/pyethapp,changwu-tw/pyethapp,kustomzone/pyethapp,RomanZacharia/pyethapp,RomanZacharia/pyethapp,gsalgado/pyethapp