diff --git a/include/aeb_opcodes.hrl b/include/aeb_opcodes.hrl
index 9673dd6..86ecdff 100644
--- a/include/aeb_opcodes.hrl
+++ b/include/aeb_opcodes.hrl
@@ -189,3 +189,6 @@
 -define(PRIM_CALL_CRYPTO_BLAKE2B,        403).
 -define(PRIM_CALL_CRYPTO_SHA256_STRING,  404).
 -define(PRIM_CALL_CRYPTO_BLAKE2B_STRING, 405).
+
+-define(PRIM_CALL_IN_AUTH_RANGE(__TTYPE__), (((__TTYPE__) > 499) andalso ((__TTYPE__) < 600))).
+-define(PRIM_CALL_AUTH_TX_HASH, 500).