From 82956df523fd75d0c3b4a49f571eee60935fc32e Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Sun, 22 Mar 2015 15:38:01 +0100
Subject: Get work / submit work partially implemented.

* WIP missing arguments for submitting new work
* GetWork **done**
---
 rpc/miner_agest.go | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 rpc/miner_agest.go

(limited to 'rpc/miner_agest.go')

diff --git a/rpc/miner_agest.go b/rpc/miner_agest.go
new file mode 100644
index 000000000..f883ef54e
--- /dev/null
+++ b/rpc/miner_agest.go
@@ -0,0 +1,70 @@
+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 {
+	// 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) {
+	// Make sure the external miner was working on the right hash
+	if a.currentWork.Hash() == a.work.Hash() {
+		a.returnCh <- miner.Work{a.currentWork.Number().Uint64(), nonce, mixDigest.Bytes(), seedHash.Bytes()}
+	}
+}
-- 
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