From de9ed732e29c3eccd5e710f6d7b28539505684de Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Sat, 15 Nov 2025 19:20:52 +0800
Subject: [PATCH] cmd, eth: implement flag delete-all-bad-blocks (#1770)

---
 cmd/XDC/main.go         |  1 +
 cmd/utils/flags.go      |  8 ++++++++
 eth/backend.go          | 14 ++++++++++++++
 eth/ethconfig/config.go |  1 +
 4 files changed, 24 insertions(+)

diff --git a/cmd/XDC/main.go b/cmd/XDC/main.go
index 87501c919a..19d30d5dc8 100644
--- a/cmd/XDC/main.go
+++ b/cmd/XDC/main.go
@@ -138,6 +138,7 @@ var (
 		utils.AnnounceTxsFlag,
 		utils.StoreRewardFlag,
 		utils.SetHeadFlag,
+		utils.DeleteAllBadBlocksFlag,
 		utils.XDCSlaveModeFlag,
 	}, utils.NetworkFlags, utils.DatabaseFlags)
 
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index fb69b24b8b..d5636f3a89 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -806,6 +806,11 @@ var (
 	}
 
 	// MISC settings
+	DeleteAllBadBlocksFlag = &cli.BoolFlag{
+		Name:     "delete-all-bad-blocks",
+		Usage:    "Delete all bad blocks in the database",
+		Category: flags.MiscCategory,
+	}
 	SetHeadFlag = &cli.Uint64Flag{
 		Name:     "set-head",
 		Usage:    "Rollback chain to block number",
@@ -1553,6 +1558,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 			os.Mkdir(common.StoreRewardFolder, os.ModePerm)
 		}
 	}
+	if ctx.Bool(DeleteAllBadBlocksFlag.Name) {
+		cfg.DeleteAllBadBlocks = true
+	}
 	if ctx.IsSet(SetHeadFlag.Name) {
 		common.RollbackNumber = ctx.Uint64(SetHeadFlag.Name)
 		if common.RollbackNumber == 0 {
diff --git a/eth/backend.go b/eth/backend.go
index 7bcc796182..45f8f61097 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -177,6 +177,20 @@ func New(stack *node.Node, config *ethconfig.Config, XDCXServ *XDCx.XDCX, lendin
 		}
 	}
 
+	badBlocks := rawdb.ReadAllBadBlocks(chainDb)
+	log.Info("Bad blocks in db", "count", len(badBlocks))
+	for i, block := range badBlocks {
+		log.Info("Bad block in db", "i", i, "number", block.Number(), "hash", block.Hash().Hex())
+	}
+	if config.DeleteAllBadBlocks {
+		if len(badBlocks) == 0 {
+			log.Warn("No bad blocks in db to delete")
+		} else {
+			rawdb.DeleteBadBlocks(chainDb)
+			log.Info(fmt.Sprintf("Deleted %d bad blocks in db", len(badBlocks)))
+		}
+	}
+
 	var (
 		vmConfig    = vm.Config{EnablePreimageRecording: config.EnablePreimageRecording}
 		cacheConfig = &core.CacheConfig{
diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go
index 211ec29425..8b2aeb37fe 100644
--- a/eth/ethconfig/config.go
+++ b/eth/ethconfig/config.go
@@ -81,6 +81,7 @@ type Config struct {
 
 	// Database options
 	SkipBcVersionCheck bool `toml:"-"`
+	DeleteAllBadBlocks bool `toml:"-"`
 	DatabaseHandles    int  `toml:"-"`
 	DatabaseCache      int
 	TrieCleanCache     int