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Poll-based miner

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This commit is contained in:
Luke Williams 2016-06-21 18:43:38 +10:00
parent b2d29f9e9a
commit 5b0255f05d
1 changed files with 56 additions and 36 deletions
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92
miner/miner.go
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@ -21,6 +21,7 @@ import (
"fmt"
"math/big"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
@ -50,7 +51,7 @@ type Miner struct {
canStart int32 // can start indicates whether we can start the mining operation
shouldStart int32 // should start indicates whether we should start after sync
sub event.Subscription
sub event.Subscription
}
func New(eth core.Backend, config *core.ChainConfig, mux *event.TypeMux, pow pow.PoW) *Miner {
@ -103,56 +104,75 @@ func (m *Miner) SetGasPrice(price *big.Int) {
func (self *Miner) Start(coinbase common.Address, threads int) {
self.sub = self.mux.Subscribe(core.TxPreEvent{}, core.NewBlockEvent{}, core.NewMinedBlockEvent{})
go self.filterLoop(coinbase, threads)
//go self.filterLoop(coinbase, threads)
go self.runLoop(coinbase, threads)
}
func (self *Miner) runLoop(coinbase common.Address, threads int) {
for true {
if len(self.worker.txQueue) == 0 {
if self.Mining() {
glog.V(logger.Info).Infoln("Nothing to do. The miner sleeps.")
self.Stop()
}
} else {
if self.Mining() == false {
glog.V(logger.Info).Infoln("A transaction awaits! Waking up miner.")
self.Start(coinbase, threads)
}
time.Sleep(3000 * time.Millisecond)
}
}
}
func (self *Miner) filterLoop(coinbase common.Address, threads int) {
for event := range self.sub.Chan() {
switch event.Data.(type) {
case core.TxPreEvent:
glog.V(logger.Info).Infoln("New pending tranny yo, start mining!")
self.actuallyStart(coinbase, threads)
case core.NewBlockEvent:
glog.V(logger.Info).Infoln("New block event")
self.Stop()
self.Start(coinbase, threads)
case core.NewMinedBlockEvent:
glog.V(logger.Info).Infoln("New MINED block event")
self.Stop()
self.Start(coinbase, threads)
}
}
for event := range self.sub.Chan() {
switch event.Data.(type) {
case core.TxPreEvent:
glog.V(logger.Info).Infoln("New pending tranny yo, start mining!")
self.actuallyStart(coinbase, threads)
case core.NewBlockEvent:
glog.V(logger.Info).Infoln("New block event")
self.Stop()
self.Start(coinbase, threads)
case core.NewMinedBlockEvent:
glog.V(logger.Info).Infoln("New MINED block event")
self.Stop()
self.Start(coinbase, threads)
}
}
}
func (self *Miner) actuallyStart(coinbase common.Address, threads int) {
atomic.StoreInt32(&self.shouldStart, 1)
self.threads = threads
self.worker.coinbase = coinbase
self.coinbase = coinbase
atomic.StoreInt32(&self.shouldStart, 1)
self.threads = threads
self.worker.coinbase = coinbase
self.coinbase = coinbase
if atomic.LoadInt32(&self.canStart) == 0 {
glog.V(logger.Info).Infoln("Can not start mining operation due to network sync (starts when finished)")
return
}
if atomic.LoadInt32(&self.canStart) == 0 {
glog.V(logger.Info).Infoln("Can not start mining operation due to network sync (starts when finished)")
return
}
atomic.StoreInt32(&self.mining, 1)
atomic.StoreInt32(&self.mining, 1)
for i := 0; i < threads; i++ {
self.worker.register(NewCpuAgent(i, self.pow))
}
for i := 0; i < threads; i++ {
self.worker.register(NewCpuAgent(i, self.pow))
}
glog.V(logger.Info).Infof("Starting mining operation (CPU=%d TOT=%d)\n", threads, len(self.worker.agents))
glog.V(logger.Info).Infof("Starting mining operation (CPU=%d TOT=%d)\n", threads, len(self.worker.agents))
self.worker.start()
self.worker.start()
self.worker.commitNewWork()
self.worker.commitNewWork()
}
func (self *Miner) Stop() {
if(self.sub != nil) {
self.sub.Unsubscribe();
}
self.worker.stop()
if self.sub != nil {
self.sub.Unsubscribe()
}
self.worker.stop()
atomic.StoreInt32(&self.mining, 0)
atomic.StoreInt32(&self.shouldStart, 0)
}