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sync: Check bls aggregate early

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This commit is contained in:
Łukasz Magiera 2019-12-17 12:20:09 +01:00
parent 61123d44a9
commit 4ea6305771
1 changed files with 20 additions and 14 deletions
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34
chain/sync.go
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@ -679,6 +679,26 @@ func (syncer *Syncer) VerifyElectionPoStProof(ctx context.Context, h *types.Bloc
}
func (syncer *Syncer) checkBlockMessages(ctx context.Context, b *types.FullBlock, baseTs *types.TipSet) error {
{
var sigCids []cid.Cid // this is what we get for people not wanting the marshalcbor method on the cid type
var pubks []bls.PublicKey
for _, m := range b.BlsMessages {
sigCids = append(sigCids, m.Cid())
pubk, err := syncer.sm.GetBlsPublicKey(ctx, m.From, baseTs)
if err != nil {
return xerrors.Errorf("failed to load bls public to validate block: %w", err)
}
pubks = append(pubks, pubk)
}
if err := syncer.verifyBlsAggregate(ctx, b.Header.BLSAggregate, sigCids, pubks); err != nil {
return xerrors.Errorf("bls aggregate signature was invalid: %w", err)
}
}
nonces := make(map[address.Address]uint64)
balances := make(map[address.Address]types.BigInt)
@ -722,28 +742,14 @@ func (syncer *Syncer) checkBlockMessages(ctx context.Context, b *types.FullBlock
bs := amt.WrapBlockstore(syncer.store.Blockstore())
var blsCids []cbg.CBORMarshaler
var sigCids []cid.Cid // this is what we get for people not wanting the marshalcbor method on the cid type
var pubks []bls.PublicKey
for i, m := range b.BlsMessages {
if err := checkMsg(m); err != nil {
return xerrors.Errorf("block had invalid bls message at index %d: %w", i, err)
}
sigCids = append(sigCids, m.Cid())
c := cbg.CborCid(m.Cid())
blsCids = append(blsCids, &c)
pubk, err := syncer.sm.GetBlsPublicKey(ctx, m.From, baseTs)
if err != nil {
return xerrors.Errorf("failed to load bls public to validate block: %w", err)
}
pubks = append(pubks, pubk)
}
if err := syncer.verifyBlsAggregate(ctx, b.Header.BLSAggregate, sigCids, pubks); err != nil {
return xerrors.Errorf("bls aggregate signature was invalid: %w", err)
}
var secpkCids []cbg.CBORMarshaler