From ca062df3b448375347af34542b7382483e793f12 Mon Sep 17 00:00:00 2001
From: ericlee <eric.l@metis.io>
Date: Tue, 5 Mar 2024 10:24:50 +0800
Subject: [PATCH] fix: mpc can only commit one epoch once

the consensus client has updated, and it doesn't allow to commit multipy epochs at a time
---
 contracts/SequencerSet.sol  | 2 +-
 ts-src/test/SequencerSet.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/contracts/SequencerSet.sol b/contracts/SequencerSet.sol
index 6c278fd..043095a 100644
--- a/contracts/SequencerSet.sol
+++ b/contracts/SequencerSet.sol
@@ -179,7 +179,7 @@ contract MetisSequencerSet is OwnableUpgradeable {
             "End block must be greater than start block"
         );
         require(
-            (_endBlock - _startBlock + 1) % epochLength == 0,
+            _endBlock - _startBlock + 1 == epochLength,
             "Mismatch epoch length and block length"
         );
         require(
diff --git a/ts-src/test/SequencerSet.ts b/ts-src/test/SequencerSet.ts
index df2a944..651cb34 100644
--- a/ts-src/test/SequencerSet.ts
+++ b/ts-src/test/SequencerSet.ts
@@ -126,7 +126,7 @@ describe("MetisSequencerSet", async () => {
 
     await mineUpTo(900);
     nextEpochNumber++;
-    await seqset.connect(mpc).commitEpoch(nextEpochNumber, 1000, 1999, seq1);
+    await seqset.connect(mpc).commitEpoch(nextEpochNumber, 1000, 1199, seq1);
     {
       const { number, startBlock, endBlock, signer } =
         await seqset.finalizedEpoch();