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cmd/utils: don't crash on nonexistent datadir (#22738)

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Marius van der Wijden 2021-05-03 14:29:05 +02:00 committed by GitHub
parent afb097eda8
commit 8f94fc26e3
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1 changed files with 1 additions and 1 deletions
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2
cmd/utils/flags.go
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@ -1662,7 +1662,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
if ctx.GlobalIsSet(DataDirFlag.Name) { if ctx.GlobalIsSet(DataDirFlag.Name) {
// 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, true) chaindb := MakeChainDatabase(ctx, stack, false) // TODO (MariusVanDerWijden) make this read only
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
} }