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cmd/utils: make readonly chaindb

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Signed-off-by: jsvisa <delweng@gmail.com>
This commit is contained in:
jsvisa 2023-09-26 22:59:46 +08:00
parent ec5a4e6c3a
commit 179a540cf7
1 changed files with 26 additions and 15 deletions
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41
cmd/utils/flags.go
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@ -1867,7 +1867,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
// Create a new developer genesis block or reuse existing one
cfg.Genesis = core.DeveloperGenesisBlock(ctx.Uint64(DeveloperGasLimitFlag.Name), developer.Address)
if ctx.IsSet(DataDirFlag.Name) {
chaindb := tryMakeReadOnlyDatabase(ctx, stack)
chaindb := tryMakeReadOnlyChainDB(ctx, stack)
if rawdb.ReadCanonicalHash(chaindb, 0) != (common.Hash{}) {
cfg.Genesis = nil // fallback to db content
}
@ -2057,7 +2057,8 @@ func MakeChainDatabase(ctx *cli.Context, stack *node.Node, readonly bool) ethdb.
switch {
case ctx.IsSet(RemoteDBFlag.Name):
log.Info("Using remote db", "url", ctx.String(RemoteDBFlag.Name), "headers", len(ctx.StringSlice(HttpHeaderFlag.Name)))
client, err := DialRPCWithHeaders(ctx.String(RemoteDBFlag.Name), ctx.StringSlice(HttpHeaderFlag.Name))
var client *rpc.Client
client, err = DialRPCWithHeaders(ctx.String(RemoteDBFlag.Name), ctx.StringSlice(HttpHeaderFlag.Name))
if err != nil {
break
}
@ -2073,9 +2074,9 @@ func MakeChainDatabase(ctx *cli.Context, stack *node.Node, readonly bool) ethdb.
return chainDb
}
// tryMakeReadOnlyDatabase try to open the chain database in read-only mode,
// tryMakeReadOnlyChainDB try to open the chain database(without ancient) in read-only mode,
// or fallback to write mode if the database is not initialized.
func tryMakeReadOnlyDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database {
func tryMakeReadOnlyChainDB(ctx *cli.Context, stack *node.Node) ethdb.Database {
// If the database doesn't exist we need to open it in write-mode to allow
// the engine to create files.
readonly := true
@ -2083,19 +2084,29 @@ func tryMakeReadOnlyDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database
readonly = false
}
// If the freeze database is not initialized or corrupted,
// we need to open it in write-mode to apply the initialization or repair process
if readonly && !ctx.IsSet(RemoteDBFlag.Name) && ctx.String(SyncModeFlag.Name) != "light" {
ancient := stack.ResolveAncient("chaindata", ctx.String(AncientFlag.Name))
frdb, err := rawdb.NewChainFreezer(ancient, "", readonly)
var (
cache = ctx.Int(CacheFlag.Name) * ctx.Int(CacheDatabaseFlag.Name) / 100
handles = MakeDatabaseHandles(ctx.Int(FDLimitFlag.Name))
err error
chainDb ethdb.Database
)
if ctx.IsSet(RemoteDBFlag.Name) {
log.Info("Using remote db", "url", ctx.String(RemoteDBFlag.Name), "headers", len(ctx.StringSlice(HttpHeaderFlag.Name)))
var client *rpc.Client
client, err = DialRPCWithHeaders(ctx.String(RemoteDBFlag.Name), ctx.StringSlice(HttpHeaderFlag.Name))
chainDb = remotedb.New(client)
} else {
name := "chaindata"
if ctx.String(SyncModeFlag.Name) == "light" {
name = "lightchaindata"
}
chainDb, err = stack.OpenDatabase(name, cache, handles, "", readonly)
}
if err != nil {
readonly = false
Fatalf("Could not open database: %v", err)
}
if frdb != nil {
frdb.Close()
}
}
return MakeChainDatabase(ctx, stack, readonly)
return chainDb
}
func IsNetworkPreset(ctx *cli.Context) bool {