package core import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/p2p" )
type Backend interface {
BlockProcessor() *BlockProcessor ChainManager() *ChainManager TxPool() *TxPool PeerCount() int IsListening() bool Peers() []*p2p.Peer
BlockDb() common.Database StateDb() common.Database
EventMux() *event.TypeMux }