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Added start / stopping methods

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This commit is contained in:
obscuren 2014-05-22 00:25:34 +02:00
parent f8f84ef095
commit 4e1c6a8a22
1 changed files with 31 additions and 21 deletions
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52
ethminer/miner.go
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@ -8,21 +8,22 @@ import (
)
type Miner struct {
pow ethchain.PoW
ethereum ethchain.EthManager
coinbase []byte
reactChan chan ethutil.React
txs []*ethchain.Transaction
uncles []*ethchain.Block
block *ethchain.Block
powChan chan []byte
quitChan chan ethutil.React
pow ethchain.PoW
ethereum ethchain.EthManager
coinbase []byte
reactChan chan ethutil.React
txs []*ethchain.Transaction
uncles []*ethchain.Block
block *ethchain.Block
powChan chan []byte
powQuitChan chan ethutil.React
quitChan chan bool
}
func NewDefaultMiner(coinbase []byte, ethereum ethchain.EthManager) Miner {
reactChan := make(chan ethutil.React, 1) // This is the channel that receives 'updates' when ever a new transaction or block comes in
powChan := make(chan []byte, 1) // This is the channel that receives valid sha hases for a given block
quitChan := make(chan ethutil.React, 1) // This is the channel that can exit the miner thread
reactChan := make(chan ethutil.React, 1) // This is the channel that receives 'updates' when ever a new transaction or block comes in
powChan := make(chan []byte, 1) // This is the channel that receives valid sha hases for a given block
powQuitChan := make(chan ethutil.React, 1) // This is the channel that can exit the miner thread
ethereum.Reactor().Subscribe("newBlock", reactChan)
ethereum.Reactor().Subscribe("newTx:pre", reactChan)
@ -32,16 +33,17 @@ func NewDefaultMiner(coinbase []byte, ethereum ethchain.EthManager) Miner {
// listen to the reactor events inside of the pow itself
// The miner overseer will never get the reactor events themselves
// Only after the miner will find the sha
ethereum.Reactor().Subscribe("newBlock", quitChan)
ethereum.Reactor().Subscribe("newTx:pre", quitChan)
ethereum.Reactor().Subscribe("newBlock", powQuitChan)
ethereum.Reactor().Subscribe("newTx:pre", powQuitChan)
miner := Miner{
pow: &ethchain.EasyPow{},
ethereum: ethereum,
coinbase: coinbase,
reactChan: reactChan,
powChan: powChan,
quitChan: quitChan,
pow: &ethchain.EasyPow{},
ethereum: ethereum,
coinbase: coinbase,
reactChan: reactChan,
powChan: powChan,
powQuitChan: powQuitChan,
quitChan: make(chan bool),
}
// Insert initial TXs in our little miner 'pool'
@ -56,8 +58,11 @@ func (miner *Miner) Start() {
go miner.listener()
}
func (miner *Miner) listener() {
out:
for {
select {
case <-miner.quitChan:
break out
case chanMessage := <-miner.reactChan:
if block, ok := chanMessage.Resource.(*ethchain.Block); ok {
//ethutil.Config.Log.Infoln("[MINER] Got new block via Reactor")
@ -112,6 +117,11 @@ func (miner *Miner) listener() {
}
}
func (self *Miner) Stop() {
self.powQuitChan <- ethutil.React{}
self.quitChan <- true
}
func (self *Miner) mineNewBlock() {
stateManager := self.ethereum.StateManager()
@ -138,7 +148,7 @@ func (self *Miner) mineNewBlock() {
ethutil.Config.Log.Infoln("[MINER] Mining on block. Includes", len(self.txs), "transactions")
// Find a valid nonce
self.block.Nonce = self.pow.Search(self.block, self.quitChan)
self.block.Nonce = self.pow.Search(self.block, self.powQuitChan)
if self.block.Nonce != nil {
err := self.ethereum.StateManager().Process(self.block, true)
if err != nil {