cmd, core: resolve scheme from a read-write database (#28313)

* cmd, core: resolve scheme from a read-write database

* cmd, core, eth: move the scheme check in the ethereum constructor

* cmd/geth: dump should in ro mode

* cmd: reverts
pull/28318/head
rjl493456442 1 year ago committed by GitHub
parent 13d1d425ac
commit eeb5dc3ccf
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
  1. 2
      cmd/geth/chaincmd.go
  2. 50
      cmd/utils/flags.go
  3. 45
      core/genesis.go
  4. 2
      core/genesis_test.go
  5. 35
      core/rawdb/accessors_trie.go
  6. 8
      eth/backend.go
  7. 8
      eth/ethconfig/config.go

@ -474,7 +474,7 @@ func dump(ctx *cli.Context) error {
if err != nil {
return err
}
triedb := utils.MakeTrieDatabase(ctx, db, true, false) // always enable preimage lookup
triedb := utils.MakeTrieDatabase(ctx, db, true, true) // always enable preimage lookup
defer triedb.Close()
state, err := state.New(root, state.NewDatabaseWithNodeDB(db, triedb), nil)

@ -268,7 +268,6 @@ var (
StateSchemeFlag = &cli.StringFlag{
Name: "state.scheme",
Usage: "Scheme to use for storing ethereum state ('hash' or 'path')",
Value: rawdb.HashScheme,
Category: flags.StateCategory,
}
StateHistoryFlag = &cli.Uint64Flag{
@ -1721,15 +1720,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
if ctx.IsSet(StateHistoryFlag.Name) {
cfg.StateHistory = ctx.Uint64(StateHistoryFlag.Name)
}
// Parse state scheme, abort the process if it's not compatible.
chaindb := tryMakeReadOnlyDatabase(ctx, stack)
scheme, err := ParseStateScheme(ctx, chaindb)
chaindb.Close()
if err != nil {
Fatalf("%v", err)
if ctx.IsSet(StateSchemeFlag.Name) {
cfg.StateScheme = ctx.String(StateSchemeFlag.Name)
}
cfg.StateScheme = scheme
// Parse transaction history flag, if user is still using legacy config
// file with 'TxLookupLimit' configured, copy the value to 'TransactionHistory'.
if cfg.TransactionHistory == ethconfig.Defaults.TransactionHistory && cfg.TxLookupLimit != ethconfig.Defaults.TxLookupLimit {
@ -2165,7 +2158,7 @@ func MakeChain(ctx *cli.Context, stack *node.Node, readonly bool) (*core.BlockCh
if gcmode := ctx.String(GCModeFlag.Name); gcmode != "full" && gcmode != "archive" {
Fatalf("--%s must be either 'full' or 'archive'", GCModeFlag.Name)
}
scheme, err := ParseStateScheme(ctx, chainDb)
scheme, err := rawdb.ParseStateScheme(ctx.String(StateSchemeFlag.Name), chainDb)
if err != nil {
Fatalf("%v", err)
}
@ -2224,47 +2217,12 @@ func MakeConsolePreloads(ctx *cli.Context) []string {
return preloads
}
// ParseStateScheme resolves scheme identifier from CLI flag. If the provided
// state scheme is not compatible with the one of persistent scheme, an error
// will be returned.
//
// - none: use the scheme consistent with persistent state, or fallback
// to hash-based scheme if state is empty.
// - hash: use hash-based scheme or error out if not compatible with
// persistent state scheme.
// - path: use path-based scheme or error out if not compatible with
// persistent state scheme.
func ParseStateScheme(ctx *cli.Context, disk ethdb.Database) (string, error) {
// If state scheme is not specified, use the scheme consistent
// with persistent state, or fallback to hash mode if database
// is empty.
stored := rawdb.ReadStateScheme(disk)
if !ctx.IsSet(StateSchemeFlag.Name) {
if stored == "" {
// use default scheme for empty database, flip it when
// path mode is chosen as default
log.Info("State schema set to default", "scheme", "hash")
return rawdb.HashScheme, nil
}
log.Info("State scheme set to already existing", "scheme", stored)
return stored, nil // reuse scheme of persistent scheme
}
// If state scheme is specified, ensure it's compatible with
// persistent state.
scheme := ctx.String(StateSchemeFlag.Name)
if stored == "" || scheme == stored {
log.Info("State scheme set by user", "scheme", scheme)
return scheme, nil
}
return "", fmt.Errorf("incompatible state scheme, stored: %s, provided: %s", stored, scheme)
}
// MakeTrieDatabase constructs a trie database based on the configured scheme.
func MakeTrieDatabase(ctx *cli.Context, disk ethdb.Database, preimage bool, readOnly bool) *trie.Database {
config := &trie.Config{
Preimages: preimage,
}
scheme, err := ParseStateScheme(ctx, disk)
scheme, err := rawdb.ParseStateScheme(ctx.String(StateSchemeFlag.Name), disk)
if err != nil {
Fatalf("%v", err)
}

@ -120,8 +120,8 @@ func (ga *GenesisAlloc) UnmarshalJSON(data []byte) error {
return nil
}
// deriveHash computes the state root according to the genesis specification.
func (ga *GenesisAlloc) deriveHash() (common.Hash, error) {
// hash computes the state root according to the genesis specification.
func (ga *GenesisAlloc) hash() (common.Hash, error) {
// Create an ephemeral in-memory database for computing hash,
// all the derived states will be discarded to not pollute disk.
db := state.NewDatabase(rawdb.NewMemoryDatabase())
@ -142,9 +142,9 @@ func (ga *GenesisAlloc) deriveHash() (common.Hash, error) {
return statedb.Commit(0, false)
}
// flush is very similar with deriveHash, but the main difference is
// all the generated states will be persisted into the given database.
// Also, the genesis state specification will be flushed as well.
// flush is very similar with hash, but the main difference is all the generated
// states will be persisted into the given database. Also, the genesis state
// specification will be flushed as well.
func (ga *GenesisAlloc) flush(db ethdb.Database, triedb *trie.Database, blockhash common.Hash) error {
statedb, err := state.New(types.EmptyRootHash, state.NewDatabaseWithNodeDB(db, triedb), nil)
if err != nil {
@ -179,39 +179,6 @@ func (ga *GenesisAlloc) flush(db ethdb.Database, triedb *trie.Database, blockhas
return nil
}
// CommitGenesisState loads the stored genesis state with the given block
// hash and commits it into the provided trie database.
func CommitGenesisState(db ethdb.Database, triedb *trie.Database, blockhash common.Hash) error {
var alloc GenesisAlloc
blob := rawdb.ReadGenesisStateSpec(db, blockhash)
if len(blob) != 0 {
if err := alloc.UnmarshalJSON(blob); err != nil {
return err
}
} else {
// Genesis allocation is missing and there are several possibilities:
// the node is legacy which doesn't persist the genesis allocation or
// the persisted allocation is just lost.
// - supported networks(mainnet, testnets), recover with defined allocations
// - private network, can't recover
var genesis *Genesis
switch blockhash {
case params.MainnetGenesisHash:
genesis = DefaultGenesisBlock()
case params.GoerliGenesisHash:
genesis = DefaultGoerliGenesisBlock()
case params.SepoliaGenesisHash:
genesis = DefaultSepoliaGenesisBlock()
}
if genesis != nil {
alloc = genesis.Alloc
} else {
return errors.New("not found")
}
}
return alloc.flush(db, triedb, blockhash)
}
// GenesisAccount is an account in the state of the genesis block.
type GenesisAccount struct {
Code []byte `json:"code,omitempty"`
@ -444,7 +411,7 @@ func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
// ToBlock returns the genesis block according to genesis specification.
func (g *Genesis) ToBlock() *types.Block {
root, err := g.Alloc.deriveHash()
root, err := g.Alloc.hash()
if err != nil {
panic(err)
}

@ -231,7 +231,7 @@ func TestReadWriteGenesisAlloc(t *testing.T) {
{1}: {Balance: big.NewInt(1), Storage: map[common.Hash]common.Hash{{1}: {1}}},
{2}: {Balance: big.NewInt(2), Storage: map[common.Hash]common.Hash{{2}: {2}}},
}
hash, _ = alloc.deriveHash()
hash, _ = alloc.hash()
)
blob, _ := json.Marshal(alloc)
rawdb.WriteGenesisStateSpec(db, hash, blob)

@ -305,3 +305,38 @@ func ReadStateScheme(db ethdb.Reader) string {
}
return HashScheme
}
// ParseStateScheme checks if the specified state scheme is compatible with
// the stored state.
//
// - If the provided scheme is none, use the scheme consistent with persistent
// state, or fallback to hash-based scheme if state is empty.
//
// - If the provided scheme is hash, use hash-based scheme or error out if not
// compatible with persistent state scheme.
//
// - If the provided scheme is path: use path-based scheme or error out if not
// compatible with persistent state scheme.
func ParseStateScheme(provided string, disk ethdb.Database) (string, error) {
// If state scheme is not specified, use the scheme consistent
// with persistent state, or fallback to hash mode if database
// is empty.
stored := ReadStateScheme(disk)
if provided == "" {
if stored == "" {
// use default scheme for empty database, flip it when
// path mode is chosen as default
log.Info("State schema set to default", "scheme", "hash")
return HashScheme, nil
}
log.Info("State scheme set to already existing", "scheme", stored)
return stored, nil // reuse scheme of persistent scheme
}
// If state scheme is specified, ensure it's compatible with
// persistent state.
if stored == "" || provided == stored {
log.Info("State scheme set by user", "scheme", provided)
return provided, nil
}
return "", fmt.Errorf("incompatible state scheme, stored: %s, provided: %s", stored, provided)
}

@ -133,8 +133,12 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
if err != nil {
return nil, err
}
scheme, err := rawdb.ParseStateScheme(config.StateScheme, chainDb)
if err != nil {
return nil, err
}
// Try to recover offline state pruning only in hash-based.
if config.StateScheme == rawdb.HashScheme {
if scheme == rawdb.HashScheme {
if err := pruner.RecoverPruning(stack.ResolvePath(""), chainDb); err != nil {
log.Error("Failed to recover state", "error", err)
}
@ -194,7 +198,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
SnapshotLimit: config.SnapshotCache,
Preimages: config.Preimages,
StateHistory: config.StateHistory,
StateScheme: config.StateScheme,
StateScheme: scheme,
}
)
// Override the chain config with provided settings.

@ -27,7 +27,6 @@ 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/txpool/blobpool"
"github.com/ethereum/go-ethereum/core/txpool/legacypool"
"github.com/ethereum/go-ethereum/eth/downloader"
@ -64,7 +63,6 @@ var Defaults = Config{
TxLookupLimit: 2350000,
TransactionHistory: 2350000,
StateHistory: params.FullImmutabilityThreshold,
StateScheme: rawdb.HashScheme,
LightPeers: 100,
DatabaseCache: 512,
TrieCleanCache: 154,
@ -105,7 +103,11 @@ type Config struct {
TxLookupLimit uint64 `toml:",omitempty"` // The maximum number of blocks from head whose tx indices are reserved.
TransactionHistory uint64 `toml:",omitempty"` // The maximum number of blocks from head whose tx indices are reserved.
StateHistory uint64 `toml:",omitempty"` // The maximum number of blocks from head whose state histories are reserved.
StateScheme string `toml:",omitempty"` // State scheme used to store ethereum state and merkle trie nodes on top
// State scheme represents the scheme used to store ethereum states and trie
// nodes on top. It can be 'hash', 'path', or none which means use the scheme
// consistent with persistent state.
StateScheme string `toml:",omitempty"`
// RequiredBlocks is a set of block number -> hash mappings which must be in the
// canonical chain of all remote peers. Setting the option makes geth verify the

Loading…
Cancel
Save