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