use IsL1MessageSkipped in da-codec repo

go.mod

@@ -57,7 +57,7 @@ require (
 	github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7
 	github.com/protolambda/bls12-381-util v0.0.0-20220416220906-d8552aa452c7
 	github.com/rs/cors v1.7.0
-	github.com/scroll-tech/da-codec v0.1.1-0.20241020160143-e971fc973c48
+	github.com/scroll-tech/da-codec v0.1.1-0.20241021081245-8c5d2f0cd707
 	github.com/scroll-tech/zktrie v0.8.4
 	github.com/shirou/gopsutil v3.21.11+incompatible
 	github.com/sourcegraph/conc v0.3.0

go.sum

@@ -474,8 +474,8 @@ github.com/rs/cors v1.7.0 h1:+88SsELBHx5r+hZ8TCkggzSstaWNbDvThkVK8H6f9ik=
 github.com/rs/cors v1.7.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/scroll-tech/da-codec v0.1.1-0.20241020160143-e971fc973c48 h1:R08Vpp1Zpv7gODO9lzl6gq2pf4BdYLxaz9DfIIOLNTI=
-github.com/scroll-tech/da-codec v0.1.1-0.20241020160143-e971fc973c48/go.mod h1:odz1ck3umvYccCG03osaQBISAYGinZktZYbpk94fYRE=
+github.com/scroll-tech/da-codec v0.1.1-0.20241021081245-8c5d2f0cd707 h1:uuBhIvpUK0+HuupF7TJAokdnRJc2FGrPQqplRY8jegw=
+github.com/scroll-tech/da-codec v0.1.1-0.20241021081245-8c5d2f0cd707/go.mod h1:odz1ck3umvYccCG03osaQBISAYGinZktZYbpk94fYRE=
 github.com/scroll-tech/zktrie v0.8.4 h1:UagmnZ4Z3ITCk+aUq9NQZJNAwnWl4gSxsLb2Nl7IgRE=
 github.com/scroll-tech/zktrie v0.8.4/go.mod h1:XvNo7vAk8yxNyTjBDj5WIiFzYW4bx/gJ78+NK6Zn6Uk=
 github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKlUeu/erjjvaPEYiI=

rollup/da_syncer/da/commitV0.go

@@ -3,7 +3,6 @@ package da
 import (
 	"encoding/binary"
 	"fmt"
-	"math/big"
 
 	"github.com/scroll-tech/da-codec/encoding"
 
@@ -147,19 +146,10 @@ func getL1Messages(db ethdb.Database, parentTotalL1MessagePopped uint64, skipped
 		return nil, fmt.Errorf("failed to decode skipped message bitmap: err: %w", err)
 	}
 
-	isL1MessageSkipped := func(skippedBitmap []*big.Int, index uint64) bool {
-		if index >= uint64(len(skippedBitmap))*256 {
-			return false
-		}
-		quo := index / 256
-		rem := index % 256
-		return skippedBitmap[quo].Bit(int(rem)) == 1
-	}
-
 	// get all necessary l1 messages without skipped
 	currentIndex := parentTotalL1MessagePopped
 	for index := 0; index < totalL1MessagePopped; index++ {
-		if isL1MessageSkipped(decodedSkippedBitmap, currentIndex-parentTotalL1MessagePopped) {
+		if encoding.IsL1MessageSkipped(decodedSkippedBitmap, currentIndex-parentTotalL1MessagePopped) {
 			currentIndex++
 			continue
 		}