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-rw-r--r--core/vm/instructions.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index b7c3ca532..6696c6e3d 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -544,7 +544,12 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract,
// this account should be regarded as a non-existent account and zero should be returned.
func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
slot := stack.peek()
- slot.SetBytes(interpreter.evm.StateDB.GetCodeHash(common.BigToAddress(slot)).Bytes())
+ address := common.BigToAddress(slot)
+ if interpreter.evm.StateDB.Empty(address) {
+ slot.SetUint64(0)
+ } else {
+ slot.SetBytes(interpreter.evm.StateDB.GetCodeHash(address).Bytes())
+ }
return nil, nil
}