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Change SyncRateWindow to 15 minutes + update sync times on block headers as well (#1331)

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* Change SyncRateWindow to 15 minutes + update sync times on block headers as well

* Rename result to isSyncRateTooLow

* Fix formula for expected blocks
This commit is contained in:
Svarog 2020-12-31 16:45:56 +02:00 committed by GitHub
parent 23304a4977
commit 6fa3aa1dca
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 20 additions and 6 deletions
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2
app/protocol/flowcontext/blocks.go
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@ -24,7 +24,7 @@ func (f *FlowContext) OnNewBlock(block *externalapi.DomainBlock,
log.Debugf("OnNewBlock start for block %s", hash) log.Debugf("OnNewBlock start for block %s", hash)
defer log.Debugf("OnNewBlock end for block %s", hash) defer log.Debugf("OnNewBlock end for block %s", hash)
f.updateRecentBlockAddedTimesWithLastBlock() f.UpdateRecentBlockAddedTimesWithLastBlock()
unorphaningResults, err := f.UnorphanBlocks(block) unorphaningResults, err := f.UnorphanBlocks(block)
if err != nil { if err != nil {
return err return err

2
app/protocol/flowcontext/orphans.go
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@ -156,7 +156,7 @@ func (f *FlowContext) unorphanBlock(orphanHash externalapi.DomainHash) (*externa
} }
return nil, false, err return nil, false, err
} }
f.updateRecentBlockAddedTimesWithLastBlock() f.UpdateRecentBlockAddedTimesWithLastBlock()
log.Infof("Unorphaned block %s", orphanHash) log.Infof("Unorphaned block %s", orphanHash)
return blockInsertionResult, true, nil return blockInsertionResult, true, nil

15
app/protocol/flowcontext/sync_rate.go
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@ -3,12 +3,14 @@ package flowcontext
import "github.com/kaspanet/kaspad/util/mstime" import "github.com/kaspanet/kaspad/util/mstime"
const ( const (
syncRateWindowInMilliSeconds = 60_000 syncRateWindowInMilliSeconds = 15 * 60 * 1000
syncRateMaxDeviation = 0.05 syncRateMaxDeviation = 0.05
maxSelectedParentTimeDiffToAllowMiningInMilliSeconds = 300_000 maxSelectedParentTimeDiffToAllowMiningInMilliSeconds = 300_000
) )
func (f *FlowContext) updateRecentBlockAddedTimesWithLastBlock() { // UpdateRecentBlockAddedTimesWithLastBlock adds current time to list of times when block was added.
// We use this list to determine the current sync rate
func (f *FlowContext) UpdateRecentBlockAddedTimesWithLastBlock() {
f.recentBlockAddedTimesMutex.Lock() f.recentBlockAddedTimesMutex.Lock()
defer f.recentBlockAddedTimesMutex.Unlock() defer f.recentBlockAddedTimesMutex.Unlock()
@ -44,7 +46,14 @@ func (f *FlowContext) isSyncRateBelowMinimum() bool {
} }
expectedBlocks := float64(syncRateWindowInMilliSeconds) / float64(f.cfg.NetParams().TargetTimePerBlock.Milliseconds()) expectedBlocks := float64(syncRateWindowInMilliSeconds) / float64(f.cfg.NetParams().TargetTimePerBlock.Milliseconds())
return 1-float64(len(f.recentBlockAddedTimes))/expectedBlocks > syncRateMaxDeviation isSyncRateTooLow := 1-float64(len(f.recentBlockAddedTimes))/expectedBlocks > syncRateMaxDeviation
if isSyncRateTooLow {
log.Debugf("In the last %d seconds, got %d blocks, while at least %f were expected.",
syncRateWindowInMilliSeconds/1000, len(f.recentBlockAddedTimes), expectedBlocks*(1-syncRateMaxDeviation))
}
return isSyncRateTooLow
} }
// ShouldMine returns whether it's ok to use block template from this node // ShouldMine returns whether it's ok to use block template from this node

1
app/protocol/flows/blockrelay/handle_relay_invs.go
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@ -33,6 +33,7 @@ type RelayInvsContext interface {
IsIBDRunning() bool IsIBDRunning() bool
TrySetIBDRunning() bool TrySetIBDRunning() bool
UnsetIBDRunning() UnsetIBDRunning()
UpdateRecentBlockAddedTimesWithLastBlock()
} }
type handleRelayInvsFlow struct { type handleRelayInvsFlow struct {

6
app/protocol/flows/blockrelay/ibd.go
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@ -1,6 +1,8 @@
package blockrelay package blockrelay
import ( import (
"time"
"github.com/kaspanet/kaspad/app/appmessage" "github.com/kaspanet/kaspad/app/appmessage"
"github.com/kaspanet/kaspad/app/protocol/common" "github.com/kaspanet/kaspad/app/protocol/common"
"github.com/kaspanet/kaspad/app/protocol/protocolerrors" "github.com/kaspanet/kaspad/app/protocol/protocolerrors"
@ -8,7 +10,6 @@ import (
"github.com/kaspanet/kaspad/domain/consensus/ruleerrors" "github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing" "github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
"github.com/pkg/errors" "github.com/pkg/errors"
"time"
) )
func (flow *handleRelayInvsFlow) runIBDIfNotRunning(highHash *externalapi.DomainHash) error { func (flow *handleRelayInvsFlow) runIBDIfNotRunning(highHash *externalapi.DomainHash) error {
@ -257,6 +258,9 @@ func (flow *handleRelayInvsFlow) processHeader(msgBlockHeader *appmessage.MsgBlo
return protocolerrors.Wrapf(true, err, "got invalid block %s during IBD", blockHash) return protocolerrors.Wrapf(true, err, "got invalid block %s during IBD", blockHash)
} }
flow.UpdateRecentBlockAddedTimesWithLastBlock()
return nil return nil
} }