diff --git a/hook/error.h b/hook/error.h
index 63e0c03bb..52e59405a 100644
--- a/hook/error.h
+++ b/hook/error.h
@@ -47,5 +47,6 @@
 #define MEM_OVERLAP -43
 #define TOO_MANY_STATE_MODIFICATIONS -44
 #define TOO_MANY_NAMESPACES -45
+#define TOO_LITTLE_ENTROPY -46
 #define HOOK_ERROR_CODES
 #endif //HOOK_ERROR_CODES
diff --git a/hook/extern.h b/hook/extern.h
index ee34af6ff..01aff6612 100644
--- a/hook/extern.h
+++ b/hook/extern.h
@@ -329,5 +329,11 @@ meta_slot(uint32_t slot_no);
 extern int64_t
 xpop_slot(uint32_t slot_no_tx, uint32_t slot_no_meta);
 
+extern int64_t
+dice(uint32_t sides);
+
+extern int64_t
+random(uint32_t write_ptr, uint32_t write_len);
+
 #define HOOK_EXTERN
 #endif  // HOOK_EXTERN
diff --git a/hook/sfcodes.h b/hook/sfcodes.h
index 8c7bc48f4..5db88dc17 100644
--- a/hook/sfcodes.h
+++ b/hook/sfcodes.h
@@ -16,6 +16,7 @@
 #define sfHookExecutionIndex ((1U << 16U) + 19U)
 #define sfHookApiVersion ((1U << 16U) + 20U)
 #define sfHookStateScale ((1U << 16U) + 21U)
+#define sfEntropyCount ((1U << 16U) + 99U)
 #define sfNetworkID ((2U << 16U) + 1U)
 #define sfFlags ((2U << 16U) + 2U)
 #define sfSourceTag ((2U << 16U) + 3U)
diff --git a/hook/tts.h b/hook/tts.h
index bd03b0399..b2377b06b 100644
--- a/hook/tts.h
+++ b/hook/tts.h
@@ -47,3 +47,4 @@
 #define ttUNL_MODIFY 102
 #define ttEMIT_FAILURE 103
 #define ttUNL_REPORT 104
+#define ttCONSENSUS_ENTROPY 105