gballet
diff --git a/‎.github/CODEOWNERS
+1-1 b/‎.github/CODEOWNERS
+1-1
diff --git a/‎.github/workflows/go.yml
+48 b/‎.github/workflows/go.yml
+48
diff --git a/‎cmd/geth/chaincmd.go
+38 b/‎cmd/geth/chaincmd.go
+38
diff --git a/‎cmd/geth/main.go
+1 b/‎cmd/geth/main.go
+1
@@ -6,7 +6,7 @@ accounts/scwallet               @gballet
 accounts/abi                    @gballet @MariusVanDerWijden
 cmd/clef                        @holiman
 consensus                       @karalabe
-core/                           @karalabe @holiman @rjl493456442
+core/                           @karalabe @rjl493456442
 eth/                            @karalabe @holiman @rjl493456442
 eth/catalyst/                   @gballet
 eth/tracers/                    @s1na
 
@@ -0,0 +1,48 @@
+name: Go lint and test
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master, verkle-trie-proof-in-block-rebased, verkle-trie-post-merge, beverly-hills-head, 'verkle/replay-change-with-tree-group-tryupdate' ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18
+      - name: Build
+        run: go build -v ./...
+
+  lint:
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18
+      - name: Download golangci-lint
+        run: wget -O- -nv https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s latest
+      - name: Lint
+        run: ./bin/golangci-lint run
+      - name: Vet
+        run: go vet
+
+  test:
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18
+      - name: Download precomputed points
+        run: wget -nv https://github.com/gballet/go-verkle/releases/download/banderwagonv3/precomp -Otrie/utils/precomp
+      - name: Test
+        run: go test ./...
@@ -144,6 +144,17 @@ It's deprecated, please use "geth db import" instead.
 		Description: `
 The export-preimages command exports hash preimages to an RLP encoded stream.
 It's deprecated, please use "geth db export" instead.
+`,
+	}
+	exportOverlayPreimagesCommand = &cli.Command{
+		Action:    exportOverlayPreimages,
+		Name:      "export-overlay-preimages",
+		Usage:     "Export the preimage in overlay tree migration order",
+		ArgsUsage: "<dumpfile>",
+		Flags:     flags.Merge([]cli.Flag{utils.TreeRootFlag}, utils.DatabasePathFlags),
+		Description: `
+The export-overlay-preimages command exports hash preimages to a flat file, in exactly
+the expected order for the overlay tree migration.
 `,
 	}
 	dumpCommand = &cli.Command{
@@ -399,6 +410,33 @@ func exportPreimages(ctx *cli.Context) error {
 	return nil
 }
 
+// exportOverlayPreimages dumps the preimage data to a flat file.
+func exportOverlayPreimages(ctx *cli.Context) error {
+	if ctx.Args().Len() < 1 {
+		utils.Fatalf("This command requires an argument.")
+	}
+	stack, _ := makeConfigNode(ctx)
+	defer stack.Close()
+
+	chain, _ := utils.MakeChain(ctx, stack, true)
+
+	var root common.Hash
+	if ctx.String(utils.TreeRootFlag.Name) != "" {
+		rootBytes := common.FromHex(ctx.String(utils.StartKeyFlag.Name))
+		if len(rootBytes) != common.HashLength {
+			return fmt.Errorf("invalid root hash length")
+		}
+		root = common.BytesToHash(rootBytes)
+	}
+
+	start := time.Now()
+	if err := utils.ExportOverlayPreimages(chain, ctx.Args().First(), root); err != nil {
+		utils.Fatalf("Export error: %v\n", err)
+	}
+	fmt.Printf("Export done in %v\n", time.Since(start))
+	return nil
+}
+
 func parseDumpConfig(ctx *cli.Context, stack *node.Node) (*state.DumpConfig, ethdb.Database, common.Hash, error) {
 	db := utils.MakeChainDatabase(ctx, stack, true)
 	var header *types.Header
 
@@ -209,6 +209,7 @@ func init() {
 		exportCommand,
 		importPreimagesCommand,
 		exportPreimagesCommand,
+		exportOverlayPreimagesCommand,
 		removedbCommand,
 		dumpCommand,
 		dumpGenesisCommand,