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cmd/utils: reuse existing genesis in persistent dev mode

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Péter Szilágyi 2020-07-21 15:53:47 +03:00
parent 722b742780
commit 9e22e912e3
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1 changed files with 11 additions and 0 deletions
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11
cmd/utils/flags.go
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@ -40,6 +40,7 @@ import (
"github.com/ethereum/go-ethereum/consensus/clique"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
@ -1627,7 +1628,17 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
}
log.Info("Using developer account", "address", developer.Address)
// Create a new developer genesis block or reuse existing one
cfg.Genesis = core.DeveloperGenesisBlock(uint64(ctx.GlobalInt(DeveloperPeriodFlag.Name)), developer.Address)
if ctx.GlobalIsSet(DataDirFlag.Name) {
// Check if we have an already initialized chain and fall back to
// that if so. Otherwise we need to generate a new genesis spec.
chaindb := MakeChainDatabase(ctx, stack)
if rawdb.ReadCanonicalHash(chaindb, 0) != (common.Hash{}) {
cfg.Genesis = nil // fallback to db content
}
chaindb.Close()
}
if !ctx.GlobalIsSet(MinerGasPriceFlag.Name) && !ctx.GlobalIsSet(LegacyMinerGasPriceFlag.Name) {
cfg.Miner.GasPrice = big.NewInt(1)
}