diff --git a/validator.proto b/validator.proto
index 6b499ea..b8af944 100644
--- a/validator.proto
+++ b/validator.proto
@@ -144,17 +144,24 @@ service ValidatorScriptPolicyService {
   rpc List(ScriptPolicyListRequest) returns (ScriptPolicyListResponse);
 }
 
+enum Policy {
+  None = 0;
+  Allowed = 1;
+  Blocked = 2;
+  Delete = 3;
+  Replace = 4;
+}
+
 message ScriptPolicyCreate {
-  string Name = 1;
-  string Source = 2;
-  uint32 ResourceType = 3;
-  optional uint64 ResourceID = 4;
+  uint64 FromScriptID = 1;
+  uint64 ToScriptID = 1;
+  Policy Policy = 1;
 }
 
 message ScriptPolicyFilter {
   optional uint64 FromScriptHash = 1;
   optional uint64 ToScriptID = 2;
-  optional uint32 Policy = 3;
+  optional Policy Policy = 3;
 }
 
 message ScriptPolicyListRequest {
@@ -166,7 +173,7 @@ message ScriptPolicy {
   uint64 ID = 1;
   uint64 FromScriptHash = 2;
   uint64 ToScriptID = 3;
-  uint32 Policy = 4;
+  Policy Policy = 4;
 }
 
 message ScriptPolicyListResponse { repeated ScriptPolicy ScriptPolicies = 1; }