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-rw-r--r--miner/agent.go76
1 files changed, 76 insertions, 0 deletions
diff --git a/miner/agent.go b/miner/agent.go
new file mode 100644
index 000000000..9046f5d5a
--- /dev/null
+++ b/miner/agent.go
@@ -0,0 +1,76 @@
+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{}
+ returnCh chan<- Work
+
+ index int
+ pow pow.PoW
+}
+
+func NewCpuMiner(index int, pow pow.PoW) *CpuMiner {
+ miner := &CpuMiner{
+ pow: pow,
+ index: index,
+ }
+
+ return miner
+}
+
+func (self *CpuMiner) Work() chan<- *types.Block { return self.c }
+func (self *CpuMiner) Pow() pow.PoW { return self.pow }
+func (self *CpuMiner) SetWorkCh(ch chan<- Work) { self.returnCh = ch }
+
+func (self *CpuMiner) Stop() {
+ close(self.quit)
+ close(self.quitCurrentOp)
+}
+
+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()
+}
+
+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) {
+ minerlogger.Infof("(re)started agent[%d]. mining...\n", self.index)
+ nonce := self.pow.Search(block, self.quitCurrentOp)
+ if nonce != nil {
+ self.returnCh <- Work{block.Number().Uint64(), nonce}
+ }
+}