From 3e0deddfaa7544ea3c3dacf197f0f885f7c15a41 Mon Sep 17 00:00:00 2001
From: Banana-J <wjrjerome@gmail.com>
Date: Mon, 5 Feb 2024 21:43:04 +1100
Subject: [PATCH] fix: missing length validaiton after doing regex (#415)

Co-authored-by: wjrjerome <wjrjerome@babylonchain.io>
---
 accounts/abi/type.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/accounts/abi/type.go b/accounts/abi/type.go
index a1f13ffa29..cec1ce8f56 100644
--- a/accounts/abi/type.go
+++ b/accounts/abi/type.go
@@ -103,7 +103,11 @@ func NewType(t string) (typ Type, err error) {
 		return typ, err
 	}
 	// parse the type and size of the abi-type.
-	parsedType := typeRegex.FindAllStringSubmatch(t, -1)[0]
+	matches := typeRegex.FindAllStringSubmatch(t, -1)
+	if len(matches) == 0 {
+		return Type{}, fmt.Errorf("invalid type '%v'", t)
+	}
+	parsedType := matches[0]
 	// varSize is the size of the variable
 	var varSize int
 	if len(parsedType[3]) > 0 {