Merge 55ca968 into 7db87e5

CityOfZion · Jul 24, 2019 · f436824 · f436824
2 parents 7db87e5 + 55ca968
commit f436824
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diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -58,6 +58,7 @@ All notable changes to this project are documented in this file.
 - Fix ``Remove()`` behaviour for ``Map`` and ``Array`` types to be inline with C#
 - Add support for compressed syscalls
 - Fix NEP-5 token send operation in ``np-prompt`` to properly handle token ``decimals``/scale `#990 <https://github.com/CityOfZion/neo-python/pull/990>`_
+- Fix ``NOT`` VM instruction
 
 
 [0.8.4] 2019-02-14

diff --git a/neo/VM/ExecutionEngine.py b/neo/VM/ExecutionEngine.py
@@ -537,7 +537,7 @@ def ExecuteInstruction(self):
 
             elif opcode == NOT:
 
-                x = estack.Pop().GetBigInteger()
+                x = estack.Pop().GetBoolean()
                 estack.PushT(not x)
                 self.CheckStackSize(False, 0)