cerc-io/plugeth
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Changed miner

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* Instead of delivering `Work` to the `Worker`, push a complete Block to
  the `Worker` so that each agent can work on their own block.
This commit is contained in:
obscuren 2015-03-24 10:34:06 +01:00
parent d8e21b39b3
commit a59ea7ce29
4 changed files with 46 additions and 36 deletions
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12
miner/agent.go
View File

@ -1,6 +1,7 @@
package miner
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/pow"
)
@ -9,7 +10,7 @@ type CpuMiner struct {
c chan *types.Block
quit chan struct{}
quitCurrentOp chan struct{}
returnCh chan<- Work
returnCh chan<- *types.Block
index int
pow pow.PoW
@ -26,7 +27,7 @@ func NewCpuMiner(index int, pow pow.PoW) *CpuMiner {
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) SetReturnCh(ch chan<- *types.Block) { self.returnCh = ch }
func (self *CpuMiner) Stop() {
close(self.quit)
@ -74,9 +75,12 @@ done:
func (self *CpuMiner) mine(block *types.Block) {
minerlogger.Infof("(re)started agent[%d]. mining...\n", self.index)
nonce, mixDigest, seedHash := self.pow.Search(block, self.quitCurrentOp)
nonce, mixDigest, _ := self.pow.Search(block, self.quitCurrentOp)
if nonce != 0 {
self.returnCh <- Work{block.Number().Uint64(), nonce, mixDigest, seedHash}
block.SetNonce(nonce)
block.Header().MixDigest = common.BytesToHash(mixDigest)
self.returnCh <- block
//self.returnCh <- Work{block.Number().Uint64(), nonce, mixDigest, seedHash}
}
}

7
miner/miner.go
View File

@ -26,7 +26,11 @@ type Miner struct {
func New(eth core.Backend, pow pow.PoW, minerThreads int) *Miner {
// note: minerThreads is currently ignored because
// ethash is not thread safe.
return &Miner{eth: eth, pow: pow, worker: newWorker(common.Address{}, eth)}
miner := &Miner{eth: eth, pow: pow, worker: newWorker(common.Address{}, eth)}
for i := 0; i < minerThreads; i++ {
miner.worker.register(NewCpuMiner(i, pow))
}
return miner
}
func (self *Miner) Mining() bool {
@ -36,7 +40,6 @@ func (self *Miner) Mining() bool {
func (self *Miner) Start(coinbase common.Address) {
self.mining = true
self.worker.coinbase = coinbase
self.worker.register(NewCpuMiner(0, self.pow))
self.pow.(*ethash.Ethash).UpdateDAG()

11
miner/remote_agent.go
View File

@ -12,7 +12,7 @@ type RemoteAgent struct {
quit chan struct{}
workCh chan *types.Block
returnCh chan<- Work
returnCh chan<- *types.Block
}
func NewRemoteAgent() *RemoteAgent {
@ -25,7 +25,7 @@ func (a *RemoteAgent) Work() chan<- *types.Block {
return a.workCh
}
func (a *RemoteAgent) SetWorkCh(returnCh chan<- Work) {
func (a *RemoteAgent) SetReturnCh(returnCh chan<- *types.Block) {
a.returnCh = returnCh
}
@ -72,8 +72,11 @@ func (a *RemoteAgent) SubmitWork(nonce uint64, mixDigest, seedHash common.Hash)
// 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()}
if a.currentWork != nil && a.work != nil {
a.currentWork.SetNonce(nonce)
a.currentWork.Header().MixDigest = mixDigest
a.returnCh <- a.currentWork
//a.returnCh <- Work{a.currentWork.Number().Uint64(), nonce, mixDigest.Bytes(), seedHash.Bytes()}
return true
}

28
miner/worker.go
View File

@ -51,7 +51,7 @@ type Work struct {
type Agent interface {
Work() chan<- *types.Block
SetWorkCh(chan<- Work)
SetReturnCh(chan<- *types.Block)
Stop()
Start()
GetHashRate() int64
@ -60,7 +60,7 @@ type Agent interface {
type worker struct {
mu sync.Mutex
agents []Agent
recv chan Work
recv chan *types.Block
mux *event.TypeMux
quit chan struct{}
pow pow.PoW
@ -82,7 +82,7 @@ func newWorker(coinbase common.Address, eth core.Backend) *worker {
return &worker{
eth: eth,
mux: eth.EventMux(),
recv: make(chan Work),
recv: make(chan *types.Block),
chain: eth.ChainManager(),
proc: eth.BlockProcessor(),
possibleUncles: make(map[common.Hash]*types.Block),
@ -112,7 +112,7 @@ func (self *worker) stop() {
func (self *worker) register(agent Agent) {
self.agents = append(self.agents, agent)
agent.SetWorkCh(self.recv)
agent.SetReturnCh(self.recv)
}
func (self *worker) update() {
@ -155,12 +155,12 @@ func (self *worker) addUncle(uncle *types.Block) {
func (self *worker) wait() {
for {
for work := range self.recv {
for block := range self.recv {
// Someone Successfully Mined!
block := self.current.block
if block.Number().Uint64() == work.Number && block.Nonce() == 0 {
self.current.block.SetNonce(work.Nonce)
self.current.block.Header().MixDigest = common.BytesToHash(work.MixDigest)
//block := self.current.block
//if block.Number().Uint64() == work.Number && block.Nonce() == 0 {
//self.current.block.SetNonce(work.Nonce)
//self.current.block.Header().MixDigest = common.BytesToHash(work.MixDigest)
jsonlogger.LogJson(&logger.EthMinerNewBlock{
BlockHash: block.Hash().Hex(),
@ -169,16 +169,16 @@ func (self *worker) wait() {
BlockPrevHash: block.ParentHeaderHash.Hex(),
})
if err := self.chain.InsertChain(types.Blocks{self.current.block}); err == nil {
for _, uncle := range self.current.block.Uncles() {
if err := self.chain.InsertChain(types.Blocks{block}); err == nil {
for _, uncle := range block.Uncles() {
delete(self.possibleUncles, uncle.Hash())
}
self.mux.Post(core.NewMinedBlockEvent{self.current.block})
self.mux.Post(core.NewMinedBlockEvent{block})
} else {
self.commitNewWork()
}
}
//}
break
}
}
@ -191,7 +191,7 @@ func (self *worker) push() {
// push new work to agents
for _, agent := range self.agents {
agent.Work() <- self.current.block
agent.Work() <- self.current.block.Copy()
}
}
}