From 9e6e59f45ddcd5b0a09d358abad5319cb074358f Mon Sep 17 00:00:00 2001
From: has5aan <has5aan@outlook.com>
Date: Tue, 1 Aug 2023 13:45:57 +0200
Subject: [PATCH] :bug: RegisterMainchainCommand.verify throws if aggregate BFT
 weight exceeds MAX_UINT64

---
 .../interoperability/sidechain/commands/register_mainchain.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/framework/src/modules/interoperability/sidechain/commands/register_mainchain.ts b/framework/src/modules/interoperability/sidechain/commands/register_mainchain.ts
index 04c6b2311f6..3d6644fb6ed 100644
--- a/framework/src/modules/interoperability/sidechain/commands/register_mainchain.ts
+++ b/framework/src/modules/interoperability/sidechain/commands/register_mainchain.ts
@@ -119,14 +119,14 @@ export class RegisterMainchainCommand extends BaseInteroperabilityCommand<Sidech
 				};
 			}
 
+			totalWeight += currentValidator.bftWeight;
+
 			if (totalWeight > MAX_UINT64) {
 				return {
 					status: VerifyStatus.FAIL,
 					error: new Error('Total BFT weight exceeds maximum value.'),
 				};
 			}
-
-			totalWeight += currentValidator.bftWeight;
 		}
 
 		if (mainchainCertificateThreshold < totalWeight / BigInt(3) + BigInt(1)) {