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-rw-r--r--libevmasm/Instruction.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libevmasm/Instruction.h b/libevmasm/Instruction.h
index 50c1f47d..63424eeb 100644
--- a/libevmasm/Instruction.h
+++ b/libevmasm/Instruction.h
@@ -82,6 +82,7 @@ enum class Instruction: uint8_t
EXTCODECOPY, ///< copy external code (from another contract)
RETURNDATASIZE = 0x3d, ///< get size of return data buffer
RETURNDATACOPY = 0x3e, ///< copy return data in current environment to memory
+ EXTCODEHASH = 0x3f, ///< get external code hash (from another contract)
BLOCKHASH = 0x40, ///< get hash of most recent complete block
COINBASE, ///< get the block's coinbase address