diff options
Diffstat (limited to 'core/lattice.go')
| -rw-r--r-- | core/lattice.go | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/core/lattice.go b/core/lattice.go index 73fdcb0..984203d 100644 --- a/core/lattice.go +++ b/core/lattice.go @@ -92,15 +92,37 @@ func (s *Lattice) PrepareBlock( return } +// PrepareEmptyBlock setup block's field based on current lattice status. +func (s *Lattice) PrepareEmptyBlock(b *types.Block) (err error) { + s.lock.RLock() + defer s.lock.RUnlock() + s.data.prepareEmptyBlock(b) + if b.Hash, err = hashBlock(b); err != nil { + return + } + return +} + // SanityCheck check if a block is valid. // If checkRelation is true, it also checks with current lattice status. // // If some acking blocks don't exists, Lattice would help to cache this block // and retry when lattice updated in Lattice.ProcessBlock. func (s *Lattice) SanityCheck(b *types.Block, checkRelation bool) (err error) { - // Verify block's signature. - if err = s.authModule.VerifyBlock(b); err != nil { - return + if b.IsEmpty() { + // Only need to verify block's hash. + var hash common.Hash + if hash, err = hashBlock(b); err != nil { + return + } + if b.Hash != hash { + return ErrInvalidBlock + } + } else { + // Verify block's signature. + if err = s.authModule.VerifyBlock(b); err != nil { + return + } } // Make sure acks are sorted. for i := range b.Acks { |