From 8917fcc6e0557e23898d08ac8f346f02875060fc Mon Sep 17 00:00:00 2001
From: harkamal <gajinder@g11.in>
Date: Mon, 10 Jul 2023 22:13:49 +0530
Subject: [PATCH] add validation in from values array

---
 packages/block/src/header.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/block/src/header.ts b/packages/block/src/header.ts
index a37ec906c7..0033aca0c5 100644
--- a/packages/block/src/header.ts
+++ b/packages/block/src/header.ts
@@ -109,7 +109,7 @@ export class BlockHeader {
    */
   public static fromValuesArray(values: BlockHeaderBytes, opts: BlockOptions = {}) {
     const headerData = valuesArrayToHeaderData(values)
-    const { number, baseFeePerGas, excessDataGas, dataGasUsed } = headerData
+    const { number, baseFeePerGas, excessDataGas, dataGasUsed, parentBeaconBlockRoot } = headerData
     const header = BlockHeader.fromHeaderData(headerData, opts)
     // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
     if (header.common.isActivatedEIP(1559) && baseFeePerGas === undefined) {
@@ -127,6 +127,9 @@ export class BlockHeader {
         throw new Error('invalid header. dataGasUsed should be provided')
       }
     }
+    if (header.common.isActivatedEIP(4788) && parentBeaconBlockRoot === undefined) {
+      throw new Error('invalid header. parentBeaconBlockRoot should be provided')
+    }
     return header
   }
   /**