Thegaram · Oct 27, 2026 · Oct 27, 2026
diff --git a/common/cmd/cmd.go b/common/cmd/cmd.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"sync/atomic"
 
-	"github.com/docker/docker/pkg/reexec"
+	"github.com/moby/sys/reexec"
 	cmap "github.com/orcaman/concurrent-map"
 )
 

diff --git a/common/go.mod b/common/go.mod
@@ -17,7 +17,7 @@ require (
 	github.com/mattn/go-colorable v0.1.13
 	github.com/mattn/go-isatty v0.0.20
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/modern-go/reflect2 v1.0.2
+	github.com/moby/sys/reexec v0.1.0
 	github.com/orcaman/concurrent-map v1.0.0
 	github.com/prometheus/client_golang v1.19.0
 	github.com/scroll-tech/go-ethereum v1.10.14-0.20261022073043-e8c9fb7297ca
@@ -161,6 +161,7 @@ require (
 	github.com/moby/sys/user v0.1.0 // indirect
 	github.com/moby/term v0.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect

diff --git a/common/go.sum b/common/go.sum
@@ -515,6 +515,8 @@ github.com/moby/spdystream v0.2.0 h1:cjW1zVyyoiM0T7b6UoySUFqzXMoqRckQtXwGPiBhOM8
 github.com/moby/spdystream v0.2.0/go.mod h1:f7i0iNDQJ059oMTcWxx8MA/zKFIuD/lY+0GqbN2Wy8c=
 github.com/moby/sys/mountinfo v0.7.1 h1:/tTvQaSJRr2FshkhXiIpux6fQ2Zvc4j7tAhMTStAG2g=
 github.com/moby/sys/mountinfo v0.7.1/go.mod h1:IJb6JQeOklcdMU9F5xQ8ZALD+CUr5VlGpwtX+VE0rpI=
+github.com/moby/sys/reexec v0.1.0 h1:RrBi8e0EBTLEgfruBOFcxtElzRGTEUkeIFaVXgU7wok=
+github.com/moby/sys/reexec v0.1.0/go.mod h1:EqjBg8F3X7iZe5pU6nRZnYCMUTXoxsjiIfHup5wYIN8=
 github.com/moby/sys/sequential v0.5.0 h1:OPvI35Lzn9K04PBbCLW0g4LcFAJgHsvXsRyewg5lXtc=
 github.com/moby/sys/sequential v0.5.0/go.mod h1:tH2cOOs5V9MlPiXcQzRC+eEyab644PWKGRYaaV5ZZlo=
 github.com/moby/sys/signal v0.7.0 h1:25RW3d5TnQEoKvRbEKUGay6DCQ46IxAVTT9CUMgmsSI=

diff --git a/common/utils/simulation.go b/common/utils/simulation.go
@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/docker/docker/pkg/reexec"
+	"github.com/moby/sys/reexec"
 	"github.com/urfave/cli/v2"
 )
 

diff --git a/common/utils/utils.go b/common/utils/utils.go
@@ -14,7 +14,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/modern-go/reflect2"
 	"github.com/scroll-tech/go-ethereum/core"
 	"github.com/scroll-tech/go-ethereum/log"
 )
@@ -58,11 +57,6 @@ func Loop(ctx context.Context, period time.Duration, f func()) {
 	}
 }
 
-// IsNil Check if the interface is empty.
-func IsNil(i interface{}) bool {
-	return i == nil || reflect2.IsNil(i)
-}
-
 // RandomURL return a random port endpoint.
 func RandomURL() string {
 	id, _ := rand.Int(rand.Reader, big.NewInt(5000-1))

diff --git a/common/version/version.go b/common/version/version.go
@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.8.8"
+var tag = "v4.8.9"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {

diff --git a/coordinator/cmd/api/app/mock_app.go → coordinator/cmd/mock_app.go b/coordinator/cmd/api/app/mock_app.go → coordinator/cmd/mock_app.go
@@ -69,7 +69,7 @@ func (c *CoordinatorApp) RunApp(t *testing.T, args ...string) {
 
 // Free stop and release coordinator-test.
 func (c *CoordinatorApp) Free() {
-	if !utils.IsNil(c.Cmd) {
+	if c.Cmd != nil {
 		c.Cmd.WaitExit()
 	}
 	_ = os.Remove(c.coordinatorFile)

diff --git a/tests/integration-test/integration_test.go b/tests/integration-test/integration_test.go
@@ -20,7 +20,8 @@ import (
 	"scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	capp "scroll-tech/coordinator/cmd/api/app"
+	capp "scroll-tech/coordinator/cmd"
+	_ "scroll-tech/coordinator/cmd/api/app"
 
 	bcmd "scroll-tech/rollup/cmd"
 )
-Original file line number
+Diff line change
@@ Expand Up / @@ -4,7 +4,7 @@ import ( @@
     	"fmt"
     	"os"
-    	"github.com/docker/docker/pkg/reexec"
+    	"github.com/moby/sys/reexec"
     	"github.com/urfave/cli/v2"
     )
@@ Expand Down @@