mirror of https://github.com/poanetwork/quorum.git
74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package miner
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import (
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/pow"
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)
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type CpuMiner struct {
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c chan *types.Block
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quit chan struct{}
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quitCurrentOp chan struct{}
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returnCh chan<- Work
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index int
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pow pow.PoW
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}
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func NewCpuMiner(index int, pow pow.PoW) *CpuMiner {
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miner := &CpuMiner{
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c: make(chan *types.Block, 1),
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quit: make(chan struct{}),
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quitCurrentOp: make(chan struct{}, 1),
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pow: pow,
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index: index,
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}
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go miner.update()
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return miner
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}
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func (self *CpuMiner) Work() chan<- *types.Block { return self.c }
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func (self *CpuMiner) Pow() pow.PoW { return self.pow }
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func (self *CpuMiner) SetNonceCh(ch chan<- Work) { self.returnCh = ch }
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func (self *CpuMiner) Stop() {
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close(self.quit)
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close(self.quitCurrentOp)
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}
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func (self *CpuMiner) update() {
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out:
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for {
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select {
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case block := <-self.c:
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// make sure it's open
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self.quitCurrentOp <- struct{}{}
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go self.mine(block)
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case <-self.quit:
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break out
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}
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}
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done:
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// Empty channel
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for {
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select {
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case <-self.c:
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default:
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close(self.c)
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break done
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}
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}
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}
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func (self *CpuMiner) mine(block *types.Block) {
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minerlogger.Infof("(re)started agent[%d]. mining...\n", self.index)
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nonce := self.pow.Search(block, self.quitCurrentOp)
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if nonce != nil {
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self.returnCh <- Work{block.Number().Uint64(), nonce}
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}
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}
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