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Merge pull request #535 from filecoin-project/fix/temporal-problems

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Fix temporal problems in bad block cache
This commit is contained in:
Łukasz Magiera 2019-11-08 12:22:52 +01:00 committed by GitHub
commit d664e90d7c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 2 deletions
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11
chain/sync.go
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@ -2,6 +2,7 @@ package chain
import (
"context"
"errors"
"fmt"
"sync"
"time"
@ -368,6 +369,10 @@ func (syncer *Syncer) Sync(ctx context.Context, maybeHead *types.TipSet) error {
return nil
}
func isPermanent(err error) bool {
return !errors.Is(err, ErrTemporal)
}
func (syncer *Syncer) ValidateTipSet(ctx context.Context, fts *store.FullTipSet) error {
ctx, span := trace.StartSpan(ctx, "validateTipSet")
defer span.End()
@ -379,7 +384,9 @@ func (syncer *Syncer) ValidateTipSet(ctx context.Context, fts *store.FullTipSet)
for _, b := range fts.Blocks {
if err := syncer.ValidateBlock(ctx, b); err != nil {
if isPermanent(err) {
syncer.bad.Add(b.Cid())
}
return xerrors.Errorf("validating block %s: %w", b.Cid(), err)
}
@ -444,6 +451,8 @@ func (syncer *Syncer) validateTickets(ctx context.Context, mworker address.Addre
return nil
}
var ErrTemporal = errors.New("temporal error")
// Should match up with 'Semantical Validation' in validation.md in the spec
func (syncer *Syncer) ValidateBlock(ctx context.Context, b *types.FullBlock) error {
ctx, span := trace.StartSpan(ctx, "validateBlock")
@ -470,7 +479,7 @@ func (syncer *Syncer) ValidateBlock(ctx context.Context, b *types.FullBlock) err
}
if h.Timestamp > uint64(time.Now().Unix()+build.AllowableClockDrift) {
return xerrors.Errorf("block was from the future")
return xerrors.Errorf("block was from the future: %w", ErrTemporal)
}
if h.Timestamp < baseTs.MinTimestamp()+uint64(build.BlockDelay*len(h.Tickets)) {