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authorobscuren <geffobscura@gmail.com>2015-03-23 19:12:53 +0800
committerobscuren <geffobscura@gmail.com>2015-03-23 19:12:53 +0800
commit6657d544db4eefec24ebd280940048f25ed85186 (patch)
treea65998614ecb147e0e67107aa34ac306d027ccc1 /miner
parent0be6d3404898a8e68f2f78cfa6b64d6b1f314fb0 (diff)
parentdbb2af6016c952b0f49d552a10fc59af0a9f7ce7 (diff)
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Merge branch 'develop' of github.com-obscure:ethereum/go-ethereum into develop
Diffstat (limited to 'miner')
-rw-r--r--miner/remote_agent.go81
1 files changed, 81 insertions, 0 deletions
diff --git a/miner/remote_agent.go b/miner/remote_agent.go
new file mode 100644
index 000000000..8ea164f34
--- /dev/null
+++ b/miner/remote_agent.go
@@ -0,0 +1,81 @@
+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{}
+ go agent.run()
+
+ 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)
+}
+
+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
+}