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use blocks we have locally anytime we need them

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This commit is contained in:
whyrusleeping 2019-10-23 16:18:07 +08:00
parent 65b5bf7570
commit 46985246a2
1 changed files with 20 additions and 31 deletions
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51
chain/sync.go
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@ -669,33 +669,27 @@ func (syncer *Syncer) collectHeaders(ctx context.Context, from *types.TipSet, to
// we want to sync all the blocks until the height above the block we have
untilHeight := to.Height() + 1
// If, for some reason, we have a suffix of the chain locally, handle that here
syncer.syncState.SetHeight(blockSet[len(blockSet)-1].Height())
loop:
for blockSet[len(blockSet)-1].Height() > untilHeight {
log.Warn("syncing local: ", at)
for _, bc := range at {
if syncer.bad.Has(bc) {
return nil, xerrors.Errorf("chain contained block marked previously as bad (%s, %s)", from.Cids(), bc)
}
}
// If, for some reason, we have a suffix of the chain locally, handle that here
ts, err := syncer.store.LoadTipSet(at)
if err != nil {
if xerrors.Is(err, bstore.ErrNotFound) {
log.Info("tipset not found locally, starting sync: ", at)
break
}
if err == nil {
blockSet = append(blockSet, ts)
at = ts.Parents()
continue
}
if !xerrors.Is(err, bstore.ErrNotFound) {
log.Warn("loading local tipset: %s", err)
continue // TODO: verify
}
blockSet = append(blockSet, ts)
at = ts.Parents()
}
syncer.syncState.SetHeight(blockSet[len(blockSet)-1].Height())
loop:
for blockSet[len(blockSet)-1].Height() > untilHeight {
// NB: GetBlocks validates that the blocks are in-fact the ones we
// requested, and that they are correctly linked to eachother. It does
// not validate any state transitions
@ -800,25 +794,19 @@ func (syncer *Syncer) iterFullTipsets(ctx context.Context, headers []*types.TipS
ctx, span := trace.StartSpan(ctx, "iterFullTipsets")
defer span.End()
beg := len(headers) - 1
// handle case where we have a prefix of these locally
for ; beg >= 0; beg-- {
fts, err := syncer.store.TryFillTipSet(headers[beg])
windowSize := 200
for i := len(headers) - 1; i >= 0; {
fts, err := syncer.store.TryFillTipSet(headers[i])
if err != nil {
return err
}
if fts == nil {
break
if fts != nil {
if err := cb(ctx, fts); err != nil {
return err
}
i--
continue
}
if err := cb(ctx, fts); err != nil {
return err
}
}
headers = headers[:beg+1]
windowSize := 200
for i := len(headers) - 1; i >= 0; i -= windowSize {
batchSize := windowSize
if i < batchSize {
@ -859,6 +847,7 @@ func (syncer *Syncer) iterFullTipsets(ctx context.Context, headers []*types.TipS
return xerrors.Errorf("message processing failed: %w", err)
}
}
i -= windowSize
}
return nil