cmd, eth: implement flag delete-all-bad-blocks (#1770)

cmd/XDC/main.go

@@ -138,6 +138,7 @@ var (
 		utils.AnnounceTxsFlag,
 		utils.StoreRewardFlag,
 		utils.SetHeadFlag,
+		utils.DeleteAllBadBlocksFlag,
 		utils.XDCSlaveModeFlag,
 	}, utils.NetworkFlags, utils.DatabaseFlags)
 

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 {

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{

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