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miner: keep the timestamp for resubmitted mining block (#17547)

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This commit is contained in:
gary rong 2018-08-29 22:31:59 +08:00 committed by Péter Szilágyi
parent a4bc2c31e1
commit f0242ee76d
1 changed files with 13 additions and 10 deletions
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23
miner/worker.go
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@ -111,6 +111,7 @@ const (
type newWorkReq struct { type newWorkReq struct {
interrupt *int32 interrupt *int32
noempty bool noempty bool
timestamp int64
} }
// intervalAdjust represents a resubmitting interval adjustment. // intervalAdjust represents a resubmitting interval adjustment.
@ -285,6 +286,7 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
var ( var (
interrupt *int32 interrupt *int32
minRecommit = recommit // minimal resubmit interval specified by user. minRecommit = recommit // minimal resubmit interval specified by user.
timestamp int64 // timestamp for each round of mining.
) )
timer := time.NewTimer(0) timer := time.NewTimer(0)
@ -296,7 +298,7 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
atomic.StoreInt32(interrupt, s) atomic.StoreInt32(interrupt, s)
} }
interrupt = new(int32) interrupt = new(int32)
w.newWorkCh <- &newWorkReq{interrupt: interrupt, noempty: noempty} w.newWorkCh <- &newWorkReq{interrupt: interrupt, noempty: noempty, timestamp: timestamp}
timer.Reset(recommit) timer.Reset(recommit)
atomic.StoreInt32(&w.newTxs, 0) atomic.StoreInt32(&w.newTxs, 0)
} }
@ -336,10 +338,12 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
select { select {
case <-w.startCh: case <-w.startCh:
clearPending(w.chain.CurrentBlock().NumberU64()) clearPending(w.chain.CurrentBlock().NumberU64())
timestamp = time.Now().Unix()
commit(false, commitInterruptNewHead) commit(false, commitInterruptNewHead)
case head := <-w.chainHeadCh: case head := <-w.chainHeadCh:
clearPending(head.Block.NumberU64()) clearPending(head.Block.NumberU64())
timestamp = time.Now().Unix()
commit(false, commitInterruptNewHead) commit(false, commitInterruptNewHead)
case <-timer.C: case <-timer.C:
@ -398,7 +402,7 @@ func (w *worker) mainLoop() {
for { for {
select { select {
case req := <-w.newWorkCh: case req := <-w.newWorkCh:
w.commitNewWork(req.interrupt, req.noempty) w.commitNewWork(req.interrupt, req.noempty, req.timestamp)
case ev := <-w.chainSideCh: case ev := <-w.chainSideCh:
if _, exist := w.possibleUncles[ev.Block.Hash()]; exist { if _, exist := w.possibleUncles[ev.Block.Hash()]; exist {
@ -450,7 +454,7 @@ func (w *worker) mainLoop() {
} else { } else {
// If we're mining, but nothing is being processed, wake on new transactions // If we're mining, but nothing is being processed, wake on new transactions
if w.config.Clique != nil && w.config.Clique.Period == 0 { if w.config.Clique != nil && w.config.Clique.Period == 0 {
w.commitNewWork(nil, false) w.commitNewWork(nil, false, time.Now().Unix())
} }
} }
atomic.AddInt32(&w.newTxs, int32(len(ev.Txs))) atomic.AddInt32(&w.newTxs, int32(len(ev.Txs)))
@ -793,20 +797,19 @@ func (w *worker) commitTransactions(txs *types.TransactionsByPriceAndNonce, coin
} }
// commitNewWork generates several new sealing tasks based on the parent block. // commitNewWork generates several new sealing tasks based on the parent block.
func (w *worker) commitNewWork(interrupt *int32, noempty bool) { func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64) {
w.mu.RLock() w.mu.RLock()
defer w.mu.RUnlock() defer w.mu.RUnlock()
tstart := time.Now() tstart := time.Now()
parent := w.chain.CurrentBlock() parent := w.chain.CurrentBlock()
tstamp := tstart.Unix() if parent.Time().Cmp(new(big.Int).SetInt64(timestamp)) >= 0 {
if parent.Time().Cmp(new(big.Int).SetInt64(tstamp)) >= 0 { timestamp = parent.Time().Int64() + 1
tstamp = parent.Time().Int64() + 1
} }
// this will ensure we're not going off too far in the future // this will ensure we're not going off too far in the future
if now := time.Now().Unix(); tstamp > now+1 { if now := time.Now().Unix(); timestamp > now+1 {
wait := time.Duration(tstamp-now) * time.Second wait := time.Duration(timestamp-now) * time.Second
log.Info("Mining too far in the future", "wait", common.PrettyDuration(wait)) log.Info("Mining too far in the future", "wait", common.PrettyDuration(wait))
time.Sleep(wait) time.Sleep(wait)
} }
@ -817,7 +820,7 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool) {
Number: num.Add(num, common.Big1), Number: num.Add(num, common.Big1),
GasLimit: core.CalcGasLimit(parent, w.gasFloor, w.gasCeil), GasLimit: core.CalcGasLimit(parent, w.gasFloor, w.gasCeil),
Extra: w.extra, Extra: w.extra,
Time: big.NewInt(tstamp), Time: big.NewInt(timestamp),
} }
// Only set the coinbase if our consensus engine is running (avoid spurious block rewards) // Only set the coinbase if our consensus engine is running (avoid spurious block rewards)
if w.isRunning() { if w.isRunning() {