86 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package miner
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import (
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	"github.com/ethereum/ethash"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/core/types"
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)
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type RemoteAgent struct {
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	work        *types.Block
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	currentWork *types.Block
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	quit     chan struct{}
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	workCh   chan *types.Block
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	returnCh chan<- *types.Block
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}
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func NewRemoteAgent() *RemoteAgent {
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	agent := &RemoteAgent{}
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	return agent
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}
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func (a *RemoteAgent) Work() chan<- *types.Block {
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	return a.workCh
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}
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func (a *RemoteAgent) SetReturnCh(returnCh chan<- *types.Block) {
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	a.returnCh = returnCh
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}
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func (a *RemoteAgent) Start() {
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	a.quit = make(chan struct{})
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	a.workCh = make(chan *types.Block, 1)
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	go a.run()
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}
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func (a *RemoteAgent) Stop() {
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	close(a.quit)
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	close(a.workCh)
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}
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func (a *RemoteAgent) GetHashRate() int64 { return 0 }
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func (a *RemoteAgent) run() {
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out:
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	for {
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		select {
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		case <-a.quit:
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			break out
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		case work := <-a.workCh:
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			a.work = work
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			a.returnCh <- nil
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		}
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	}
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}
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func (a *RemoteAgent) GetWork() [3]string {
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	var res [3]string
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	// XXX Wait here until work != nil ?
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	if a.work != nil {
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		res[0] = a.work.HashNoNonce().Hex()
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		seedHash, _ := ethash.GetSeedHash(a.currentWork.NumberU64())
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		res[1] = common.Bytes2Hex(seedHash)
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		res[2] = common.Bytes2Hex(a.work.Difficulty().Bytes())
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	}
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	return res
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}
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func (a *RemoteAgent) SubmitWork(nonce uint64, mixDigest, seedHash common.Hash) bool {
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	// Return true or false, but does not indicate if the PoW was correct
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	// Make sure the external miner was working on the right hash
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	if a.currentWork != nil && a.work != nil {
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		a.currentWork.SetNonce(nonce)
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		a.currentWork.Header().MixDigest = mixDigest
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		a.returnCh <- a.currentWork
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		//a.returnCh <- Work{a.currentWork.Number().Uint64(), nonce, mixDigest.Bytes(), seedHash.Bytes()}
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		return true
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	}
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	return false
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}
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