2015-02-09 07:20:34 -08:00
|
|
|
package miner
|
|
|
|
|
|
|
|
import (
|
|
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
|
|
"github.com/ethereum/go-ethereum/pow"
|
|
|
|
)
|
|
|
|
|
|
|
|
type CpuMiner struct {
|
|
|
|
c chan *types.Block
|
|
|
|
quit chan struct{}
|
|
|
|
quitCurrentOp chan struct{}
|
2015-02-13 08:23:09 -08:00
|
|
|
returnCh chan<- Work
|
2015-02-09 07:20:34 -08:00
|
|
|
|
|
|
|
index int
|
|
|
|
pow pow.PoW
|
|
|
|
}
|
|
|
|
|
|
|
|
func NewCpuMiner(index int, pow pow.PoW) *CpuMiner {
|
|
|
|
miner := &CpuMiner{
|
2015-02-14 07:52:14 -08:00
|
|
|
pow: pow,
|
|
|
|
index: index,
|
2015-02-09 07:20:34 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
return miner
|
|
|
|
}
|
|
|
|
|
2015-02-13 08:23:09 -08:00
|
|
|
func (self *CpuMiner) Work() chan<- *types.Block { return self.c }
|
|
|
|
func (self *CpuMiner) Pow() pow.PoW { return self.pow }
|
2015-02-14 07:52:14 -08:00
|
|
|
func (self *CpuMiner) SetWorkCh(ch chan<- Work) { self.returnCh = ch }
|
2015-02-09 07:20:34 -08:00
|
|
|
|
|
|
|
func (self *CpuMiner) Stop() {
|
|
|
|
close(self.quit)
|
|
|
|
close(self.quitCurrentOp)
|
|
|
|
}
|
|
|
|
|
2015-02-14 07:52:14 -08:00
|
|
|
func (self *CpuMiner) Start() {
|
|
|
|
self.quit = make(chan struct{})
|
|
|
|
self.quitCurrentOp = make(chan struct{}, 1)
|
|
|
|
self.c = make(chan *types.Block, 1)
|
|
|
|
|
|
|
|
go self.update()
|
|
|
|
}
|
|
|
|
|
2015-02-09 07:20:34 -08:00
|
|
|
func (self *CpuMiner) update() {
|
|
|
|
out:
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case block := <-self.c:
|
|
|
|
self.quitCurrentOp <- struct{}{}
|
|
|
|
|
|
|
|
go self.mine(block)
|
|
|
|
case <-self.quit:
|
|
|
|
break out
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
done:
|
|
|
|
// Empty channel
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-self.c:
|
|
|
|
default:
|
|
|
|
close(self.c)
|
|
|
|
|
|
|
|
break done
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func (self *CpuMiner) mine(block *types.Block) {
|
2015-02-13 08:23:09 -08:00
|
|
|
minerlogger.Infof("(re)started agent[%d]. mining...\n", self.index)
|
2015-02-28 11:58:37 -08:00
|
|
|
nonce, mixDigest, seedHash := self.pow.Search(block, self.quitCurrentOp)
|
2015-02-09 07:20:34 -08:00
|
|
|
if nonce != nil {
|
2015-02-28 11:58:37 -08:00
|
|
|
self.returnCh <- Work{block.Number().Uint64(), nonce, mixDigest, seedHash}
|
2015-02-09 07:20:34 -08:00
|
|
|
}
|
|
|
|
}
|