package rpc import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/miner" ) type Agent struct { work *types.Block currentWork *types.Block quit chan struct{} workCh chan *types.Block returnCh chan<- miner.Work } func NewAgent() *Agent { agent := &Agent{} go agent.run() return agent } func (a *Agent) Work() chan<- *types.Block { return a.workCh } func (a *Agent) SetWorkCh(returnCh chan<- miner.Work) { a.returnCh = returnCh } func (a *Agent) Start() { a.quit = make(chan struct{}) a.workCh = make(chan *types.Block, 1) } func (a *Agent) Stop() { close(a.quit) close(a.workCh) } func (a *Agent) GetHashRate() int64 { return 0 } func (a *Agent) run() { out: for { select { case <-a.quit: break out case work := <-a.workCh: a.work = work } } } func (a *Agent) GetWork() common.Hash { // TODO return HashNoNonce, DAGSeedHash, Difficulty // XXX Wait here untill work != nil ?. if a.work != nil { return a.work.HashNoNonce() } return common.Hash{} } func (a *Agent) SetResult(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 <- miner.Work{a.currentWork.Number().Uint64(), nonce, mixDigest.Bytes(), seedHash.Bytes()} return true } return false }