Merge pull request #21352 from karalabe/dev-noinit-genesis

cmd/utils: reuse existing genesis in persistent dev mode
This commit is contained in:
Péter Szilágyi 2020-07-22 17:39:08 +03:00 committed by GitHub
commit 0b53e485d8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -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)
}