From c3f7e3be3b60df3edd168e80aa89ee2992932b0d Mon Sep 17 00:00:00 2001 From: gary rong Date: Thu, 23 Aug 2018 20:59:58 +0800 Subject: [PATCH] core/statedb: deep copy logs (#17489) --- core/state/statedb.go | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/core/state/statedb.go b/core/state/statedb.go index 92d394ae3..101b03a12 100644 --- a/core/state/statedb.go +++ b/core/state/statedb.go @@ -489,10 +489,13 @@ func (self *StateDB) Copy() *StateDB { state.stateObjectsDirty[addr] = struct{}{} } } - for hash, logs := range self.logs { - state.logs[hash] = make([]*types.Log, len(logs)) - copy(state.logs[hash], logs) + cpy := make([]*types.Log, len(logs)) + for i, l := range logs { + cpy[i] = new(types.Log) + *cpy[i] = *l + } + state.logs[hash] = cpy } for hash, preimage := range self.preimages { state.preimages[hash] = preimage