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cmd/utils: open db in readonly when dev datadir exists (#24298)

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Sina Mahmoodi 2022-01-27 10:06:40 +01:00 committed by GitHub
parent 015fde9a2c
commit e282246a4b
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1 changed files with 7 additions and 1 deletions
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8
cmd/utils/flags.go
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@ -1673,9 +1673,15 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
// Create a new developer genesis block or reuse existing one // Create a new developer genesis block or reuse existing one
cfg.Genesis = core.DeveloperGenesisBlock(uint64(ctx.GlobalInt(DeveloperPeriodFlag.Name)), ctx.GlobalUint64(DeveloperGasLimitFlag.Name), developer.Address) cfg.Genesis = core.DeveloperGenesisBlock(uint64(ctx.GlobalInt(DeveloperPeriodFlag.Name)), ctx.GlobalUint64(DeveloperGasLimitFlag.Name), developer.Address)
if ctx.GlobalIsSet(DataDirFlag.Name) { if ctx.GlobalIsSet(DataDirFlag.Name) {
// If datadir doesn't exist we need to open db in write-mode
// so leveldb can create files.
readonly := true
if !common.FileExist(stack.ResolvePath("chaindata")) {
readonly = false
}
// Check if we have an already initialized chain and fall back to // Check if we have an already initialized chain and fall back to
// that if so. Otherwise we need to generate a new genesis spec. // that if so. Otherwise we need to generate a new genesis spec.
chaindb := MakeChainDatabase(ctx, stack, false) chaindb := MakeChainDatabase(ctx, stack, readonly)
if rawdb.ReadCanonicalHash(chaindb, 0) != (common.Hash{}) { if rawdb.ReadCanonicalHash(chaindb, 0) != (common.Hash{}) {
cfg.Genesis = nil // fallback to db content cfg.Genesis = nil // fallback to db content
} }