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core, cmd/geth: add --override.* flags to geth init (#28407)

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* core, cmd/geth: add --override.* flags to geth init

* also apply overrides before genesis commit with new block

* review feedback
This commit is contained in:
Guillaume Ballet 2023-10-27 04:15:14 +02:00 committed by GitHub
parent abe3fca1de
commit 4cbca5178a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 3 deletions
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13
cmd/geth/chaincmd.go
View File

@ -50,6 +50,8 @@ var (
ArgsUsage: "<genesisPath>",
Flags: flags.Merge([]cli.Flag{
utils.CachePreimagesFlag,
utils.OverrideCancun,
utils.OverrideVerkle,
}, utils.DatabaseFlags),
Description: `
The init command initializes a new genesis block and definition for the network.
@ -193,6 +195,15 @@ func initGenesis(ctx *cli.Context) error {
stack, _ := makeConfigNode(ctx)
defer stack.Close()
var overrides core.ChainOverrides
if ctx.IsSet(utils.OverrideCancun.Name) {
v := ctx.Uint64(utils.OverrideCancun.Name)
overrides.OverrideCancun = &v
}
if ctx.IsSet(utils.OverrideVerkle.Name) {
v := ctx.Uint64(utils.OverrideVerkle.Name)
overrides.OverrideVerkle = &v
}
for _, name := range []string{"chaindata", "lightchaindata"} {
chaindb, err := stack.OpenDatabaseWithFreezer(name, 0, 0, ctx.String(utils.AncientFlag.Name), "", false)
if err != nil {
@ -203,7 +214,7 @@ func initGenesis(ctx *cli.Context) error {
triedb := utils.MakeTrieDatabase(ctx, chaindb, ctx.Bool(utils.CachePreimagesFlag.Name), false)
defer triedb.Close()
_, hash, err := core.SetupGenesisBlock(chaindb, triedb, genesis)
_, hash, err := core.SetupGenesisBlockWithOverride(chaindb, triedb, genesis, &overrides)
if err != nil {
utils.Fatalf("Failed to write genesis block: %v", err)
}

5
core/genesis.go
View File

@ -287,11 +287,11 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
} else {
log.Info("Writing custom genesis block")
}
applyOverrides(genesis.Config)
block, err := genesis.Commit(db, triedb)
if err != nil {
return genesis.Config, common.Hash{}, err
}
applyOverrides(genesis.Config)
return genesis.Config, block.Hash(), nil
}
// The genesis block is present(perhaps in ancient database) while the
@ -303,6 +303,7 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
if genesis == nil {
genesis = DefaultGenesisBlock()
}
applyOverrides(genesis.Config)
// Ensure the stored genesis matches with the given one.
hash := genesis.ToBlock().Hash()
if hash != stored {
@ -312,11 +313,11 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
if err != nil {
return genesis.Config, hash, err
}
applyOverrides(genesis.Config)
return genesis.Config, block.Hash(), nil
}
// Check whether the genesis block is already written.
if genesis != nil {
applyOverrides(genesis.Config)
hash := genesis.ToBlock().Hash()
if hash != stored {
return genesis.Config, hash, &GenesisMismatchError{stored, hash}