"centralised" mining to backend. Closes #323

core/filter.go

@@ -25,7 +25,7 @@ type FilterOptions struct {
 
 // Filtering interface
 type Filter struct {
-	eth      EthManager
+	eth      Backend
 	earliest int64
 	latest   int64
 	skip     int
@@ -40,7 +40,7 @@ type Filter struct {
 
 // Create a new filter which uses a bloom filter on blocks to figure out whether a particular block
 // is interesting or not.
-func NewFilter(eth EthManager) *Filter {
+func NewFilter(eth Backend) *Filter {
 	return &Filter{eth: eth}
 }
 

core/manager.go

@@ -7,12 +7,11 @@ import (
 	"github.com/ethereum/go-ethereum/p2p"
 )
 
-type EthManager interface {
+type Backend interface {
 	BlockProcessor() *BlockProcessor
 	ChainManager() *ChainManager
 	TxPool() *TxPool
 	PeerCount() int
-	IsMining() bool
 	IsListening() bool
 	Peers() []*p2p.Peer
 	KeyManager() *crypto.KeyManager