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package core import ( "github.com/ethereum/go-ethereum/ethutil" "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 Db() ethutil.Database EventMux() *event.TypeMux }