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81 lines
1.6 KiB
81 lines
1.6 KiB
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<- Work
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}
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func NewRemoteAgent() *RemoteAgent {
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agent := &RemoteAgent{}
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go agent.run()
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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) SetWorkCh(returnCh chan<- Work) {
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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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}
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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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}
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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 && a.currentWork.Hash() == a.work.Hash() {
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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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