21e52efdfe
Miner threads are now settable through the admin interface (closes #897) and specify 0 CPU worker threads when eth_getWork is called (closes #916)
101 lines
1.9 KiB
Go
101 lines
1.9 KiB
Go
package miner
|
|
|
|
import (
|
|
"sync"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/logger"
|
|
"github.com/ethereum/go-ethereum/logger/glog"
|
|
"github.com/ethereum/go-ethereum/pow"
|
|
)
|
|
|
|
type CpuAgent struct {
|
|
chMu sync.Mutex
|
|
c chan *types.Block
|
|
quit chan struct{}
|
|
quitCurrentOp chan struct{}
|
|
returnCh chan<- *types.Block
|
|
|
|
index int
|
|
pow pow.PoW
|
|
}
|
|
|
|
func NewCpuAgent(index int, pow pow.PoW) *CpuAgent {
|
|
miner := &CpuAgent{
|
|
pow: pow,
|
|
index: index,
|
|
}
|
|
|
|
return miner
|
|
}
|
|
|
|
func (self *CpuAgent) Work() chan<- *types.Block { return self.c }
|
|
func (self *CpuAgent) Pow() pow.PoW { return self.pow }
|
|
func (self *CpuAgent) SetReturnCh(ch chan<- *types.Block) { self.returnCh = ch }
|
|
|
|
func (self *CpuAgent) Stop() {
|
|
close(self.quit)
|
|
close(self.quitCurrentOp)
|
|
}
|
|
|
|
func (self *CpuAgent) Start() {
|
|
self.quit = make(chan struct{})
|
|
self.quitCurrentOp = make(chan struct{}, 1)
|
|
self.c = make(chan *types.Block, 1)
|
|
|
|
go self.update()
|
|
}
|
|
|
|
func (self *CpuAgent) update() {
|
|
out:
|
|
for {
|
|
select {
|
|
case block := <-self.c:
|
|
self.chMu.Lock()
|
|
self.quitCurrentOp <- struct{}{}
|
|
self.chMu.Unlock()
|
|
|
|
go self.mine(block)
|
|
case <-self.quit:
|
|
break out
|
|
}
|
|
}
|
|
|
|
//close(self.quitCurrentOp)
|
|
done:
|
|
// Empty channel
|
|
for {
|
|
select {
|
|
case <-self.c:
|
|
default:
|
|
close(self.c)
|
|
|
|
break done
|
|
}
|
|
}
|
|
}
|
|
|
|
func (self *CpuAgent) mine(block *types.Block) {
|
|
glog.V(logger.Debug).Infof("(re)started agent[%d]. mining...\n", self.index)
|
|
|
|
// Reset the channel
|
|
self.chMu.Lock()
|
|
self.quitCurrentOp = make(chan struct{}, 1)
|
|
self.chMu.Unlock()
|
|
|
|
// Mine
|
|
nonce, mixDigest := self.pow.Search(block, self.quitCurrentOp)
|
|
if nonce != 0 {
|
|
block.SetNonce(nonce)
|
|
block.Header().MixDigest = common.BytesToHash(mixDigest)
|
|
self.returnCh <- block
|
|
} else {
|
|
self.returnCh <- nil
|
|
}
|
|
}
|
|
|
|
func (self *CpuAgent) GetHashRate() int64 {
|
|
return self.pow.GetHashrate()
|
|
}
|