diff --git a/src/aeb_fate_generate_ops.erl b/src/aeb_fate_generate_ops.erl
index 0e40173..99a8379 100644
--- a/src/aeb_fate_generate_ops.erl
+++ b/src/aeb_fate_generate_ops.erl
@@ -146,12 +146,15 @@ ops_defs() ->
                                                             oracle_register,           {any,any,any,any,any,any},     oracle, "TODO: Document and describe types"}
     , { 'ORACLE_QUERY',        16#62,  false,   3, [a,a,a,a,a,a],
                                                                oracle_query,              {any,any,any,any,any},oracle_query, "TODO: Document and describe types."}
-      %% TODO:
-    , { 'ORACLE_RESPOND',      16#63,  false,   3, [],       oracle_respond,                                  {},    none, "NYI"}
-    , { 'ORACLE_EXTEND',       16#64,  false,   3, [],        oracle_extend,                                  {},    none, "NYI"}
-    , { 'ORACLE_GET_ANSWER',   16#65,  false,   3, [],    oracle_get_answer,                                  {},    none, "NYI"}
-    , { 'ORACLE_GET_QUESTION', 16#66,  false,   3, [],  oracle_get_question,                                  {},    none, "NYI"}
-    , { 'ORACLE_QUERY_FEE',    16#67,  false,   3, [],     oracle_query_fee,                                  {},    none, "NYI"}
+    , { 'ORACLE_RESPOND',      16#63,  false,   3, [a,a,a,a,a],
+                                                             oracle_respond,                   {any,any,any,any},     any, "TODO: Document and describe types."}
+    , { 'ORACLE_EXTEND',       16#64,  false,   3, [a,a,a,a,a],
+                                                              oracle_extend,                   {any,any,any,any},     any, "TODO: Document and describe types."}
+    , { 'ORACLE_GET_ANSWER',   16#65,  false,   3, [a,a,a],
+                                                          oracle_get_answer,                           {any,any},     any, "TODO: Document and describe types."}
+    , { 'ORACLE_GET_QUESTION', 16#66,  false,   3, [a,a,a],
+                                                        oracle_get_question,                           {any,any},     any, "TODO: Document and describe types."}
+    , { 'ORACLE_QUERY_FEE',    16#67,  false,   3, [a,a],  oracle_query_fee,                               {any}, integer, "TODO: Document and describe types."}
     , { 'AENS_RESOLVE',        16#68,  false,   3, [],         aens_resolve,                                  {},    none, "NYI"}
     , { 'AENS_PRECLAIM',       16#69,  false,   3, [],        aens_preclaim,                                  {},    none, "NYI"}
     , { 'AENS_CLAIM',          16#6a,  false,   3, [],           aens_claim,                                  {},    none, "NYI"}