m2pool_core/internal/server/alph/alph.go

package alph

import (
	//"database/sql"

	"encoding/binary"
	"encoding/hex"
	"encoding/json"
	"strings"

	//"log"
	//"math"
	"math/big"

	"fmt"
	"pool/internal/msg"
	"pool/internal/server/coin"
	"pool/internal/server/dbif"
	"pool/internal/stratum"
	"pool/internal/utility"
	"time"

	_ "github.com/mattn/go-sqlite3"

	"go.uber.org/zap"
)

const SERVER_ALPH_VERSION = "alph v1.0"

type ServerAlphContext struct {
	ServerCtx *coin.ServerContext
	logg      *zap.Logger

	AlphJob msg.AlphStratumJob
}

var logg *zap.Logger
var ServerAlphCtx ServerAlphContext

type Notify_msg_alph struct {
	ID     interface{}          `json:"id"`
	Method string               `json:"method"`
	Params []msg.AlphStratumJob `json:"params"`
}

func handle_submit(miner *coin.MinerObj, id float64, miner_user string, job_id string, nonce string) (bool, bool, bool) {
	var submit_item coin.BlockMsg
	/*var user_blk_item coin.UserBlockMsg*/
	var pool_blk_item coin.PoolBlkMsg

	var blk_detail_height int64
	var blk_detail_hash string
	var blk_detail_success bool
	var blk_detail_miner_diff float64
	var blk_detail_pool_diff float64

	if miner.Authorized != true {
		miner.ErrOthers = miner.ErrOthers + 1
		stratum.Handle_exception(miner, id, stratum.MINER_ERR_UNAUTH_WORKER)
		stratum.Send_reconnect_msg(miner)
		return false, false, false
	}
	var new_found bool = false
	var ack stratum.Submit_ack
	ack.ID = id
	ack.Result = true
	v, ok := miner.Jobs.Load(job_id)

	if ok {
		job := v.(msg.AlphStratumJob)

		if job.Height < miner.CurHeight-1 {
			ack.Result = false
			stratum.Handle_exception(miner, id, stratum.MINER_ERR_STALED_JOB)
			miner.ErrStaleds = miner.ErrStaleds + 1
			return false, false, false
		}

		if (miner.LastNonce != nonce) || (miner.LastHeader != job.HeaderBlob) {
			miner.LastHeader = job.HeaderBlob
			miner.LastNonce = nonce
			job.Nonce = nonce
			logg.Debug("[server]", zap.Uint32("height", job.Height), zap.String("target", job.TargetBlob))

			// ============== 对nonce+区块头进行double blake3 hash ==============
			phb, _ := hex.DecodeString(job.HeaderBlob) // 区块头 []byte
			nb, _ := hex.DecodeString(nonce)           // nonce []byte

			// Blake3 Hash Test Code
			// headerStr := "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"
			// nonceStr := "cd1359f22f500001cd1359f22f50000151956b6400000000"
			// _header, _ := hex.DecodeString(headerStr)
			// _nonce, _ := hex.DecodeString(nonceStr)
			// _hash := Hash(append(_nonce, _header...))
			// fmt.Println("测试用hash：", _hash)

			// Hash Diff Test Code
			// _hash, _ := hex.DecodeString("0000000044b373be04ff72d317ec7f1e63b7d8eb8babbc6f33ab29bf640feee7")
			// diff := utility.AlphShareDiff(_hash)
			// fmt.Println("测试用diff：", diff)

			// 计算hash, nonce + header
			var calc_hash []byte
			calc_hash = append(nb, phb...)
			calc_hash = Hash(calc_hash)
			logg.Debug("[server]", zap.String("hash in", submit_item.Header))
			logg.Debug("[server]", zap.String("calc_hash", hex.EncodeToString(calc_hash)))
			// ==================================================================

			submit_target := new(big.Int)
			submit_target.SetBytes(calc_hash)             // bignum.fromBuffer(hash);
			calc_diff := utility.AlphShareDiff(calc_hash) // 根据hash计算难度,shareDiff
			// fmt.Println("提交shares难度：", calc_diff)
			// fmt.Println("任务难度：", job.JobDifficulty)
			logg.Warn("[server]", zap.String("user", miner.User+"."+miner.Miner), zap.Float64("target diff", miner.Difficulty), zap.Float64("submit diff", calc_diff))

			if calc_diff < job.JobDifficulty {
				ack.Result = false
				miner.ErrLowDiffs = miner.ErrLowDiffs + 1
				stratum.Handle_exception(miner, id, stratum.MINER_ERR_LOW_DIF_SHARE)
				return false, false, false
			}

			var addZero string = ""
			if len(job.TargetBlob) < 64 {
				addZero = strings.Repeat("0", 64-len(job.TargetBlob))
			}
			stb, _ := hex.DecodeString(addZero + job.TargetBlob)
			// server_diff := utility.Target2Diff(utility.Reverse(stb))
			server_diff := utility.AlphShareDiff(utility.Reverse(stb))
			network_target := new(big.Int)
			network_target.SetBytes(stb)
			Net_target := hex.EncodeToString(network_target.Bytes()) // jobTarget

			logg.Info("[server]", zap.Float64("calc_diff", calc_diff), zap.Float64("miner.Difficulty", miner.Difficulty), zap.Float64("server_diff", server_diff))
			logg.Debug("[server]", zap.String("submit_target", hex.EncodeToString(submit_target.Bytes())), zap.String("network_target", hex.EncodeToString(network_target.Bytes())), zap.String("target", hex.EncodeToString(miner.ServerTarget.Bytes())), zap.Int("cmp", network_target.Cmp(submit_target)))

			submit_item.Hash = hex.EncodeToString(calc_hash)
			submit_item.Target = hex.EncodeToString(miner.Target.Bytes())
			submit_item.Submit_target = hex.EncodeToString(calc_hash)
			submit_item.Height = int64(job.Height)
			submit_item.Pow = hex.EncodeToString(calc_hash)
			submit_item.Net_target = strings.Repeat("0", 64-len(Net_target)) + Net_target

			pool_blk_item.Height = int64(job.Height)
			pool_blk_item.Hash = hex.EncodeToString(calc_hash)
			pool_blk_item.Pow = hex.EncodeToString(calc_hash)
			pool_blk_item.Net_target = strings.Repeat("0", 64-len(Net_target)) + Net_target

			blk_detail_height = int64(job.Height)
			blk_detail_hash = hex.EncodeToString(calc_hash)
			blk_detail_success = false
			// blk_detail_miner_diff = job.JobDifficulty
			blk_detail_miner_diff = miner.Difficulty
			blk_detail_pool_diff = miner.Server.RefDifficulty
			// fmt.Println("mienr.Diff:", miner.Difficulty)
			// fmt.Println("job.Diff:", job.JobDifficulty)
			// fmt.Println("提交任务：", "Hash:", submit_item.Hash, "\tTarget:", submit_item.Target, "\tNet_target:", submit_item.Net_target)
			// fmt.Println("submit_item：", submit_item)
			// fmt.Println("pool_blk_item：", pool_blk_item)
			// fmt.Println("blk_detail_height：", blk_detail_height)
			if ack.Result == true {
				if (calc_diff >= server_diff) || (network_target.Cmp(submit_target) >= 0) {
					miner.Server.SubIdx++
					Produce_block_submit(miner, &job, submit_item.Hash, miner.Server.SubIdx)
					miner.SubmitIndex++
					miner.Submits = miner.Submits + 1
					new_found = true
				}
			}
		} else {
			miner.LastHeader = job.HeaderBlob
			miner.LastNonce = nonce
			ack.Result = false
			stratum.Handle_exception(miner, id, stratum.MINER_ERR_DUP_SHARE)
			miner.ErrDuplicates = miner.ErrDuplicates + 1
			return false, false, false

		}
	} else {
		ack.Result = false
		stratum.Handle_exception(miner, id, stratum.MINER_ERR_NOT_FOUND_JOB)
		miner.ErrStaleds = miner.ErrStaleds + 1
		return false, false, false
	}

	miner.LastJobId = job_id

	ack.Error = nil
	body, err := json.Marshal(ack)
	if err != nil {
		logg.Error("[server]", zap.String("Marshal", err.Error()))
		miner.ErrOthers = miner.ErrOthers + 1
		stratum.Handle_exception(miner, id, stratum.MINER_ERR_UNKNOWN)
		return false, false, false
	}

	var body_string = string(body) + "\n"
	err = stratum.Conn_tx(miner.Conn, []byte(body_string))
	if err != nil {
		//miner.Server.Miners.Delete(miner.MinerId)
	}
	if miner.ZlogInit {
		miner.Zlog.Info().Msg(body_string)
	}
	logg.Debug("[server]", zap.String("tx", body_string))
	miner.TxLock.Lock()
	miner.Status = coin.MINER_STATUS_RUNNING
	miner.TxLock.Unlock()

	if ack.Result {

		miner.Accepts += miner.Difficulty
		miner.M5Accepts += miner.Difficulty

		miner.VarDiffOpt.SubmitShares += miner.Difficulty

	} else {
		miner.Rejects += miner.Difficulty

	}
	now := time.Now()
	if miner.Server.Config.Diff.Filter == "kalman" {
		if ack.Result {
			share_interval := now.Sub(miner.LastSubmitime).Seconds()
			mhs := miner.Difficulty * share_interval
			diff_next, kalman_p := miner.DiffHandler.Handler(miner.Difficulty, share_interval)
			mhs_est := diff_next * miner.Server.Config.Diff.DiffAdjustInterval

			ratio := diff_next / miner.Difficulty
			if ratio > 0 {
				if now.Sub(miner.StartSubmitTime).Seconds() > 180 {
					if ratio >= 2 {
						//miner.DifficultyNext = math.Ceil(diff_next*100) / 100
						miner.DifficultyNext = diff_next * 10000000 / 10000000
					} else if ratio <= 0.5 {
						//miner.DifficultyNext = math.Ceil(diff_next*100) / 100
						miner.DifficultyNext = diff_next * 10000000 / 10000000
					} else {
					}
				} else {
					//miner.DifficultyNext = math.Ceil(diff_next*100) / 100
					miner.DifficultyNext = diff_next * 10000000 / 10000000
				}
			}
			if miner.DifficultyNext > 0.0 {
				if miner.DifficultyNext < miner.VarDiffOpt.MinDiff {
					miner.DifficultyNext = miner.VarDiffOpt.MinDiff
				} else if miner.DifficultyNext > miner.VarDiffOpt.MaxDiff {
					miner.DifficultyNext = miner.VarDiffOpt.MaxDiff
				}
			}
			//miner.VarDiffOpt.LastCalcTime = now

			if miner.Server.Config.Diff.Dbg {
				coin.New_diff_into_db(miner.User, miner.Miner, fmt.Sprint(miner.MinerIndex), miner.Difficulty, diff_next, kalman_p, share_interval, mhs, mhs_est)
			}

			//log.Println("diff adjust", ratio, diff_next, miner.Difficulty, miner.DifficultyNext)
		}
	} else {
		// submit time < DiffAdjustInterval,then up adjust diff
		if now.Sub(miner.LastSubmitime).Seconds() < miner.Server.Config.Diff.DiffAdjustInterval {
			if ack.Result {
				if miner.VarDiffOpt.Uptimes++; miner.VarDiffOpt.Uptimes >= coin.DIFFICULTY_WAIT_TIMES {
					coin.VarAdjustDifficulty(miner, coin.UP_DIFF)
					miner.VarDiffOpt.LastCalcTime = now
				}
			}
		} else {
			miner.VarDiffOpt.Uptimes = 0
		}

		// submit time > 2 * DiffAdjustInterval,then down adjust diff
		if now.Sub(miner.LastSubmitime).Seconds() > miner.Server.Config.Diff.DiffAdjustInterval*2 {
			if ack.Result {
				if miner.VarDiffOpt.Downtimes++; miner.VarDiffOpt.Downtimes >= coin.DIFFICULTY_WAIT_TIMES {
					coin.VarAdjustDifficulty(miner, coin.DOWN_DIFF)
					miner.VarDiffOpt.LastCalcTime = now
				}
			}
		} else {
			miner.VarDiffOpt.Downtimes = 0
		}
	}
	if ack.Result {
		miner.LastSubmitime = now
		miner.VarDiffOpt.LastSubmitTime = now
	}
	var duration float64 = float64(now.Sub(miner.StartSubmitTime)) / 1000000000

	if duration < 1 {
		duration = 1
	}
	diffOneShareHashesAvg := uint64(0x00000000FFFFFFFF)
	miner.AverageHashrate = miner.Accepts * float64(diffOneShareHashesAvg) / duration / 1000000
	var m5_duration float64 = float64(now.Sub(miner.M5SubmitTime)) / 1000000000
	if m5_duration >= float64(time.Minute*5)/1000000000 {
		miner.M5SubmitTime = now
		miner.M5Hashrate = miner.M5Accepts * float64(diffOneShareHashesAvg) / m5_duration / 1000000
		logg.Info("[server]", zap.Float64("Accepts", miner.Accepts), zap.Float64("M5Accepts", miner.M5Accepts), zap.Float64("M5Hashrate(MH/S)", miner.M5Hashrate))
		miner.M5Accepts = 0
	}

	logg.Warn("[server]", zap.Float64("M5Accepts", miner.M5Accepts), zap.Float64("M5Hashrate(MH/S)", miner.M5Hashrate))

	if miner.Server.Config.Diff.Filter == "kalman" {
	} else {
		if float64(now.Sub(miner.VarDiffOpt.LastCalcTime))/1000000000 >= miner.VarDiffOpt.AdjustTime {
			coin.VarAdjustDifficulty(miner, coin.UPDATE_DIFF)
			miner.VarDiffOpt.LastCalcTime = now
		}
	}

	if new_found {
		pool_blk_item.Submit = "y"
		pool_blk_item.Success = false
		pool_blk_item.Accepts = miner.Accepts
		pool_blk_item.Rejects = miner.Rejects
		pool_blk_item.Reward = 0
		pool_blk_item.Fee = 0
		pool_blk_item.Nonce = nonce
		pool_blk_item.SubIdx = miner.Server.SubIdx
		dbif.NotifyPoolBlkStatsDb2(miner.Server, &pool_blk_item)

	}

	if ack.Result {

		submit_item.Success = false
		if new_found {
			submit_item.Submit = "y"
			submit_item.SubIdx = miner.Server.SubIdx
		} else {
			submit_item.Submit = "n"
			submit_item.SubIdx = -1
		}

		submit_item.Accepts = miner.Accepts
		submit_item.Total_accepts = miner.Accepts
		submit_item.Rejects = miner.Rejects
		submit_item.Total_rejects = miner.Rejects
		submit_item.Reward = 0
		submit_item.Fee = 0
		submit_item.Nonce = nonce

		dbif.NotifyBlkDetailDb(miner, blk_detail_height, blk_detail_hash, blk_detail_success, blk_detail_miner_diff, blk_detail_pool_diff, nonce, submit_item.SubIdx)
		return true, new_found, true
	}
	return false, false, true
}

// 该方法和alph-gbt的768行代码相对应
func Produce_block_submit(miner *coin.MinerObj, job *msg.AlphStratumJob, PowHash string, SubIdx int64) {
	var nm msg.BlockAlphMsg
	nm.Id = job.JobId
	nm.Header = job.HeaderBlob
	nm.Nonce = job.Nonce
	nm.FromGroup = job.FromGroup
	nm.ToGroup = job.ToGroup
	nm.SubIdx = SubIdx
	nm.User = miner.User
	nm.Miner = miner.Miner
	nm.Hash = PowHash
	nm.Index = fmt.Sprint(miner.MinerIndex)
	body, err := json.Marshal(nm)
	if err != nil {
		logg.Error("[server]", zap.String("failed to Marshal job", err.Error()))
		return
	}
	blk := string(body)
	//Add Height
	heightb := utility.Uint32ToByte(job.Height)
	heights := hex.EncodeToString(heightb)
	blk += heights
	var Height uint32 = utility.ByteToUint32(heightb)
	logg.Warn("[server]", zap.Uint32("Height", Height))

	//Add SubmitIndex
	indexb := utility.Uint32ToByte(miner.SubmitIndex)
	indexs := hex.EncodeToString(indexb)
	blk += indexs
	var SubmitIndex uint32 = utility.ByteToUint32(indexb)
	logg.Info("[server]", zap.Uint32("SubmitIndex", SubmitIndex))
	logg.Info("[server]", zap.String("blk", blk))

	if miner.Server.PubCh == nil {
		miner.Server.PubCh = utility.InitZmqPub(miner.Server.Config.Zmq.Pub)
	}
	if miner.Server.PubCh != nil {
		//miner.Server.PubCh.SendChan <- [][]byte{[]byte("blknexa"), []byte(blk)}
		err := miner.Server.PubCh.SendMessage([][]byte{[]byte("blkalph"), []byte(blk)})
		if err != nil {
			miner.Server.PubCh.Destroy()
			miner.Server.PubCh = nil
			logg.Info("[server]", zap.String("blk", err.Error()))
		} else {
			logg.Info("[server]", zap.String("blk", "sent"))
		}
	}
}

func alph_parse_miner_notify(miner *coin.MinerObj, msg msg.AlphStratumJob) int {
	if miner.AlphJob.Height != msg.Height {
		miner.Job.IsClean = true
	}
	miner.AlphJob = msg
	miner.AlphJob.Extranonce1 = miner.Job.Extranonce1
	miner.Job.Extranonce2_size = msg.Extranonce2_size

	//miner.Server.Logg.Info("[server]", zap.Int32("miner.Version", miner.Version), zap.Int32("msg.Version", msg.Version))
	return 1
}

func Init(server *coin.ServerContext) {
	ServerAlphCtx.ServerCtx = server
	logg = server.Logg
	logg.Info("[server]", zap.String("server_alph_version", SERVER_ALPH_VERSION))
	coin.Init_diff_db()
}

func Start() {

}

func Stop() {
	coin.DiffStop()
}

func InitMiner(miner *coin.MinerObj) {
	be1 := make([]byte, 8)
	binary.LittleEndian.PutUint64(be1, (miner.Server.Extranonce1 /* + 0x81000000*/))
	miner.Job.Extranonce1 = hex.EncodeToString(be1)
	miner.AlphJob.Extranonce1 = miner.Job.Extranonce1
	miner.Server.Extranonce1++
	// fmt.Println("miner.Server.Extranonce1:", miner.Server.Extranonce1)

	target, err := utility.DiffToTarget(miner.Difficulty)
	if err != nil {
		logg.Error("[server]", zap.String("DiffToTarget", err.Error()))
		return
	}

	miner.Target = target
	logg.Debug("[target]", zap.String("target", hex.EncodeToString(target.Bytes())), zap.Float64("diff", miner.Difficulty))

	server_target := new(big.Int)
	t_bytes, err := hex.DecodeString(miner.AlphJob.TargetBlob)
	if err != nil {
		logg.Error("[server]", zap.String("DecodeString", err.Error()))
		return
	}
	//server_target.SetBytes(common.Reverse(t_bytes))
	server_target.SetBytes(t_bytes)
	miner.ServerTarget = server_target
	miner.ServerTargetS = miner.Server.SJob.Target

	miner.AlphJob = miner.Server.AlphJob
}
func HandleMinerSubscribe(miner *coin.MinerObj, id float64, extranonce1 string, msg string) {

}

func HandleMinerAuth(miner *coin.MinerObj) {
	// randomNumber := rand.Intn(65536)
	// hexString := fmt.Sprintf("%04x", randomNumber)
	// method := "mining.set_extranonce"
	// params := []string{hexString}
	// setExtranonce_msg := stratum.AlphSetExtranonce{Method: method, ID: nil, Params: params}
	// fmt.Println("extranonce:", setExtranonce_msg)
	// ex_msg, err := json.Marshal(setExtranonce_msg)
	// if err != nil {
	// 	logg.Error("[server]", zap.String("Marshal", err.Error()))
	// 	return
	// }
	// stratum.Conn_tx(miner.Conn, ex_msg)
}

func HandleMinerSubmit(miner *coin.MinerObj, id float64, miner_user string, job_id string, nonce2 string, ntime string, nonce string) (bool, bool, bool) {
	accept_ok, submit_ok, handle_ok := handle_submit(miner, id, miner_user, job_id, nonce)
	return accept_ok, submit_ok, handle_ok
}

func SetDifficulty(miner *coin.MinerObj) {
	extra_msg := stratum.AlphSetExtranonce()
	err := stratum.Conn_tx(miner.Conn, extra_msg)
	if err != nil {
		fmt.Println("alph.set_extranonce发送消息失败:", err)
	}
	stratum.Set_difficulty(miner)
}

func AlphNotify(miner *coin.MinerObj) {
	miner.TxLock.Lock()
	if !((miner.Status == coin.MINER_STATUS_AUTHORIZED) || (miner.Status == coin.MINER_STATUS_RUNNING)) {
		miner.TxLock.Unlock()
		return
	}
	miner.TxLock.Unlock()
	if miner.DifficultyNext > -1 {
		ratio := miner.DifficultyNext / miner.Difficulty
		if ratio > 1.1 || ratio < 0.9 {
			miner.Difficulty = miner.DifficultyNext
			miner.DifficultyNext = -1

			stratum.Set_difficulty(miner)

			logg.Info("[gbt]", zap.Float64("update Diff", miner.Difficulty))
		} else {
			miner.DifficultyNext = -1
		}
	}
	miner.TxLock.Lock()

	var params msg.AlphStratumJob

	target := utility.AlphDiffToTarget2(miner.Difficulty)

	params.JobId = miner.AlphJob.JobId
	params.HeaderBlob = miner.AlphJob.HeaderBlob
	params.TargetBlob = target

	params.Height = miner.AlphJob.Height
	params.FromGroup = miner.AlphJob.FromGroup
	params.ToGroup = miner.AlphJob.ToGroup
	params.TxsBlob = miner.AlphJob.TxsBlob
	miner.CurHeight = miner.AlphJob.Height
	miner.AlphJob.JobDifficulty = miner.Difficulty

	miner.Jobs.LoadOrStore(miner.AlphJob.JobId, miner.AlphJob)

	stratum.AddAndUpdateJob(miner)

	stratum.UpdateJobs(miner)

	miner.JobId++
	// 发送mining.notify消息
	var body []byte
	var err error
	var msg Notify_msg_alph
	msg.ID = nil
	msg.Method = "mining.notify"
	msg.Params = append(msg.Params, params)
	body, err = json.Marshal(msg)
	if err != nil {
		miner.Server.Logg.Error("[server]", zap.String("Marshal", err.Error()))
		miner.TxLock.Unlock()
		return
	}
	var body_string = string(body) + "\n"
	err = stratum.Conn_tx(miner.Conn, []byte(body_string))
	if err != nil {
		//delete(miner.Server.Miners, miner.MinerId)
		//miner.Server.Miners.Delete(miner.MinerId)
	}
	miner.Server.Logg.Debug("[server]", zap.String("tx", body_string))

	miner.TxLock.Unlock()
	if miner.ZlogInit {
		miner.Zlog.Info().Msg(body_string)
	}
}

func Notify(miner *coin.MinerObj) {
	AlphNotify(miner)
}

func HandleJobMsg(server *coin.ServerContext, Msg []byte) {
	var result msg.AlphStratumJob
	server.Logg.Warn("[server]", zap.String("receive", "job"))

	if err := json.Unmarshal(Msg, &result); err != nil {
		server.Logg.Error("[server]", zap.String("Unmarshal", err.Error()))
		return
	}

	server.AlphJob = msg.AlphStratumJob(result)

	logg.Debug("[gbt]", zap.String("Target", server.AlphJob.TargetBlob))

	// server.NexaJob.Extranonce2_size = 8
	// server.SJob.Extranonce2_size = 8
	logg.Debug("[gbt]", zap.Uint32("Height", server.AlphJob.Height), zap.String("Target", server.AlphJob.TargetBlob), zap.String("Header", server.AlphJob.HeaderBlob) /*, zap.Uint64("Timastamp", server.NexaJob.CurTime)*/)
	// targetb, _ := hex.DecodeString(server.AlphJob.TargetBlob)

	// jobIdInt, err := strconv.ParseInt(server.AlphJob.JobId, 16, 64)
	// if err != nil {
	// 	logg.Error("[server]", zap.String("Atoi", err.Error()))
	// 	return
	// }
	// uint64Id := uint64(jobIdInt)
	// logg.Debug("[gbt]", zap.Uint64("Id", uint64Id), zap.Float64("network diff", utility.Target2Diff(utility.Reverse(targetb))))

	server.NetHight = uint64(server.AlphJob.Height)
	server.NetTarget = server.AlphJob.TargetBlob // 任务的target就是全网target
	server.Miners.Range(func(k, v interface{}) bool {
		m, ok := v.(*(coin.MinerObj))
		if ok {
			server.Logg.Info("[server]", zap.String("lock", "start"))
			m.TxLock.Lock()
			status := m.Status
			cmd := alph_parse_miner_notify(m, server.AlphJob)
			m.TxLock.Unlock()
			server.Logg.Info("[server]", zap.String("lock", "end"))
			var need_notify bool = true
			if time.Now().Sub(m.ConnSetupTime) >= time.Duration(coin.CONN_EXPIRED_TIME)*time.Second {
				if (status != coin.MINER_STATUS_RUNNING) && (status != coin.MINER_STATUS_AUTHORIZED) {
					//m.Conn.Close()
					need_notify = false
				}
			}
			if need_notify {
				switch cmd {
				case 0: //extranonce 1 and extranonce2 size
					//TODO
				case 1: //notify
					AlphNotify(m)
				}
			}
		}
		return true
	})
}

func IsMhsLow(miner *coin.MinerObj) bool {
	if miner.Mhs5M < 1 {
		return true
	}
	return false
}

func GetBlockInterval() int {
	return 180
}