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author | Bas van Kervel <bas@ethdev.com> | 2016-07-26 22:37:04 +0800 |
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committer | Bas van Kervel <bas@ethdev.com> | 2016-08-16 21:21:22 +0800 |
commit | bb8059f6aa86d1052d7c2dd75a6985982cb278f4 (patch) | |
tree | 44c57f98592518652f9791655be98c75fc198760 /eth | |
parent | 4c2cc32f2e279baa3059603b8c8a4329f31606f6 (diff) | |
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core: ensure the canonical block is written before the canonical hash is set
Diffstat (limited to 'eth')
-rw-r--r-- | eth/filters/filter.go | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/eth/filters/filter.go b/eth/filters/filter.go index 995b588fb..fd739bf0e 100644 --- a/eth/filters/filter.go +++ b/eth/filters/filter.go @@ -74,6 +74,9 @@ func (self *Filter) SetTopics(topics [][]common.Hash) { func (self *Filter) Find() vm.Logs { latestHash := core.GetHeadBlockHash(self.db) latestBlock := core.GetBlock(self.db, latestHash, core.GetBlockNumber(self.db, latestHash)) + if latestBlock == nil { + return vm.Logs{} + } var beginBlockNo uint64 = uint64(self.begin) if self.begin == -1 { beginBlockNo = latestBlock.NumberU64() @@ -123,13 +126,13 @@ func (self *Filter) mipFind(start, end uint64, depth int) (logs vm.Logs) { } func (self *Filter) getLogs(start, end uint64) (logs vm.Logs) { - var block *types.Block - for i := start; i <= end; i++ { + var block *types.Block hash := core.GetCanonicalHash(self.db, i) if hash != (common.Hash{}) { block = core.GetBlock(self.db, hash, i) - } else { // block not found + } + if block == nil { // block not found/written return logs } |