Imports github.com/ethereum/go-ethereum/common github.com/ethereum/go-ethereum/core/types github.com/ethereum/go-ethereum/core/vm github.com/ethereum/go-ethereum/crypto github.com/ethereum/go-ethereum/params github.com/newalchemylimited/seth github.com/tinylib/msgp/msgp Standard library imports bytes encoding/binary encoding/json errors fmt log math/big math/rand net/http strconv sync time