core/statedb: deep copy logs (ethereum#17489)

influx6 · Aug 23, 2018 · c3f7e3b · c3f7e3b
1 parent 67d6d0b
commit c3f7e3b
Showing 1 changed file with 6 additions and 3 deletions.
diff --git 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