cerc-io/lotus
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cache block message cids to make blocksync cheaper

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This commit is contained in:
whyrusleeping 2019-10-24 14:24:58 +08:00
parent 3f991c0600
commit 2a49005ed6
1 changed files with 32 additions and 2 deletions
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34
chain/store/store.go
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@ -17,6 +17,7 @@ import (
amt "github.com/filecoin-project/go-amt-ipld"
"github.com/filecoin-project/lotus/chain/types"
lru "github.com/hashicorp/golang-lru"
block "github.com/ipfs/go-block-format"
"github.com/ipfs/go-cid"
dstore "github.com/ipfs/go-datastore"
@ -49,14 +50,18 @@ type ChainStore struct {
reorgCh chan<- reorg
headChangeNotifs []func(rev, app []*types.TipSet) error
mmCache *lru.ARCCache
}
func NewChainStore(bs bstore.Blockstore, ds dstore.Batching) *ChainStore {
c, _ := lru.NewARC(2048)
cs := &ChainStore{
bs: bs,
ds: ds,
bestTips: pubsub.New(64),
tipsets: make(map[uint64][]cid.Cid),
mmCache: c,
}
cs.reorgCh = cs.reorgWorker(context.TODO())
@ -627,10 +632,21 @@ func (cs *ChainStore) MessagesForTipset(ts *types.TipSet) ([]ChainMsg, error) {
return out, nil
}
func (cs *ChainStore) MessagesForBlock(b *types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error) {
type mmCids struct {
bls []cid.Cid
secpk []cid.Cid
}
func (cs *ChainStore) readMsgMetaCids(mmc cid.Cid) ([]cid.Cid, []cid.Cid, error) {
o, ok := cs.mmCache.Get(mmc)
if ok {
mmcids := o.(*mmCids)
return mmcids.bls, mmcids.secpk, nil
}
cst := hamt.CSTFromBstore(cs.bs)
var msgmeta types.MsgMeta
if err := cst.Get(context.TODO(), b.Messages, &msgmeta); err != nil {
if err := cst.Get(context.TODO(), mmc, &msgmeta); err != nil {
return nil, nil, xerrors.Errorf("failed to load msgmeta: %w", err)
}
@ -644,6 +660,20 @@ func (cs *ChainStore) MessagesForBlock(b *types.BlockHeader) ([]*types.Message,
return nil, nil, errors.Wrap(err, "loading secpk message cids for block")
}
cs.mmCache.Add(mmc, &mmCids{
bls: blscids,
secpk: secpkcids,
})
return blscids, secpkcids, nil
}
func (cs *ChainStore) MessagesForBlock(b *types.BlockHeader) ([]*types.Message, []*types.SignedMessage, error) {
blscids, secpkcids, err := cs.readMsgMetaCids(b.Messages)
if err != nil {
return nil, nil, err
}
blsmsgs, err := cs.LoadMessagesFromCids(blscids)
if err != nil {
return nil, nil, errors.Wrap(err, "loading bls messages for block")