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-rw-r--r--rpc/miner_agent.go77
1 files changed, 77 insertions, 0 deletions
diff --git a/rpc/miner_agent.go b/rpc/miner_agent.go
new file mode 100644
index 000000000..46fb87207
--- /dev/null
+++ b/rpc/miner_agent.go
@@ -0,0 +1,77 @@
+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
+}