From 0ca4dcd78665bc5258a2b9cfcef0dcdf971a88c3 Mon Sep 17 00:00:00 2001
From: Bruno Garcia <brunoely.gc@gmail.com>
Date: Thu, 22 Jan 2026 10:04:29 -0300
Subject: [PATCH] script: add SCRIPT_ERR_SCRIPTNUM error

It will be used for errors related to CScriptNum (e.g. overflow or encoding errors).
Currently, we simply return unknown error for these errors.
---
 src/script/script_error.cpp | 2 ++
 src/script/script_error.h   | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/script/script_error.cpp b/src/script/script_error.cpp
index a6707638e46..b0e7a6e10ec 100644
--- a/src/script/script_error.cpp
+++ b/src/script/script_error.cpp
@@ -117,6 +117,8 @@ std::string ScriptErrorString(const ScriptError serror)
             return "Using OP_CODESEPARATOR in non-witness script";
         case SCRIPT_ERR_SIG_FINDANDDELETE:
             return "Signature is found in scriptCode";
+        case SCRIPT_ERR_SCRIPTNUM:
+            return "Script number overflowed or is non-minimally encoded";
         case SCRIPT_ERR_UNKNOWN_ERROR:
         case SCRIPT_ERR_ERROR_COUNT:
         default: break;
diff --git a/src/script/script_error.h b/src/script/script_error.h
index 58ac7db5393..23de3b1758e 100644
--- a/src/script/script_error.h
+++ b/src/script/script_error.h
@@ -14,6 +14,7 @@ typedef enum ScriptError_t
     SCRIPT_ERR_UNKNOWN_ERROR,
     SCRIPT_ERR_EVAL_FALSE,
     SCRIPT_ERR_OP_RETURN,
+    SCRIPT_ERR_SCRIPTNUM,
 
     /* Max sizes */
     SCRIPT_ERR_SCRIPT_SIZE,