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Merge pull request #39 from roysc/with-recovery

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Track and restore iterator state
This commit is contained in:
Roy Crihfield 2022-09-07 00:22:26 -05:00 committed by GitHub
commit de813d73e6
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 151 additions and 97 deletions
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20
cmd/validateTrie.go
View File

@ -59,15 +59,19 @@ It can operate at three levels:
}
func validateTrie() {
numWorkers := viper.GetUint("validator.workers")
v, err := newValidator(numWorkers)
params := validator.Params{
Workers: viper.GetUint("validator.workers"),
RecoveryFormat: viper.GetString("validator.recoveryFormat"),
}
v, err := newValidator(params)
if err != nil {
logWithCommand.Fatal(err)
}
stateRootStr := viper.GetString("validator.stateRoot")
storageRootStr := viper.GetString("validator.storageRoot")
contractAddrStr := viper.GetString("validator.address")
switch strings.ToLower(viper.GetString("validator.type")) {
traversal := strings.ToLower(viper.GetString("validator.type"))
switch traversal {
case "f", "full":
if stateRootStr == "" {
logWithCommand.Fatal("must provide a state root for full state validation")
@ -99,26 +103,28 @@ func validateTrie() {
logWithCommand.Fatalf("Storage trie for contract %s and root %s not complete\r\nerr: %v", addr.String(), storageRoot.String(), err)
}
logWithCommand.Infof("Storage trie for contract %s and root %s is complete", addr.String(), storageRoot.String())
default:
logWithCommand.Fatalf("Invalid traversal level: '%s'", traversal)
}
stats := v.GetCacheStats()
logWithCommand.Debugf("groupcache stats %+v", stats)
}
func newValidator(workers uint) (*validator.Validator, error) {
func newValidator(params validator.Params) (*validator.Validator, error) {
ipfsPath := viper.GetString("ipfs.path")
if ipfsPath == "" {
db, err := validator.NewDB()
if err != nil {
logWithCommand.Fatal(err)
}
return validator.NewPGIPFSValidator(db, workers), nil
return validator.NewPGIPFSValidator(db, params), nil
}
bs, err := validator.InitIPFSBlockService(ipfsPath)
if err != nil {
return nil, err
}
return validator.NewIPFSValidator(bs, workers), nil
return validator.NewIPFSValidator(bs, params), nil
}
func init() {
@ -130,11 +136,13 @@ func init() {
validateTrieCmd.PersistentFlags().String("address", "", "Contract address for the storage trie we wish to validate; for storage validation")
validateTrieCmd.PersistentFlags().String("ipfs-path", "", "Path to IPFS repository; if provided operations move through the IPFS repo otherwise Postgres connection params are expected in the provided config")
validateTrieCmd.PersistentFlags().Int("workers", 4, "number of concurrent workers to use")
validateTrieCmd.PersistentFlags().String("recovery-format", validator.DefaultRecoveryFormat, "format pattern for recovery files")
viper.BindPFlag("validator.stateRoot", validateTrieCmd.PersistentFlags().Lookup("state-root"))
viper.BindPFlag("validator.type", validateTrieCmd.PersistentFlags().Lookup("type"))
viper.BindPFlag("validator.storageRoot", validateTrieCmd.PersistentFlags().Lookup("storage-root"))
viper.BindPFlag("validator.address", validateTrieCmd.PersistentFlags().Lookup("address"))
viper.BindPFlag("validator.workers", validateTrieCmd.PersistentFlags().Lookup("workers"))
viper.BindPFlag("validator.recoveryFormat", validateTrieCmd.PersistentFlags().Lookup("recovery-format"))
viper.BindPFlag("ipfs.path", validateTrieCmd.PersistentFlags().Lookup("ipfs-path"))
}

10
go.mod
View File

@ -15,10 +15,12 @@ require (
github.com/multiformats/go-multihash v0.2.0
github.com/onsi/ginkgo v1.16.5
github.com/onsi/gomega v1.19.0
github.com/sirupsen/logrus v1.8.1
github.com/sirupsen/logrus v1.9.0
github.com/spf13/cobra v1.4.0
github.com/spf13/viper v1.11.0
github.com/vulcanize/ipfs-ethdb/v4 v4.0.7-alpha
github.com/vulcanize/go-eth-state-node-iterator v1.1.6
github.com/vulcanize/ipfs-ethdb/v4 v4.0.5-alpha
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
)
require (
@ -202,7 +204,6 @@ require (
github.com/tidwall/pretty v1.2.0 // indirect
github.com/tklauser/go-sysconf v0.3.5 // indirect
github.com/tklauser/numcpus v0.2.2 // indirect
github.com/vulcanize/go-eth-state-node-iterator v1.1.4
github.com/wI2L/jsondiff v0.2.0 // indirect
github.com/whyrusleeping/base32 v0.0.0-20170828182744-c30ac30633cc // indirect
github.com/whyrusleeping/cbor-gen v0.0.0-20210219115102-f37d292932f2 // indirect
@ -223,8 +224,7 @@ require (
golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 // indirect
golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect
golang.org/x/net v0.0.0-20220607020251-c690dde0001d // indirect
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
golang.org/x/text v0.3.7 // indirect
golang.org/x/tools v0.1.10 // indirect
golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df // indirect

8
go.sum
View File

@ -1397,6 +1397,8 @@ github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6L
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
github.com/roysc/go-eth-state-node-iterator v0.0.1-alpha.0.20220825012218-c991d5a96e0f h1:DQCNcq5KRb6c0t/tnOZRwk9H6NdkNJFLZ6BXhs506Bo=
github.com/roysc/go-eth-state-node-iterator v0.0.1-alpha.0.20220825012218-c991d5a96e0f/go.mod h1:MXuwoa7yPL6wUgPa6Bh1qQveiYaNcLiqRE6e03dDPeo=
github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
github.com/rs/zerolog v1.21.0/go.mod h1:ZPhntP/xmq1nnND05hhpAh2QMhSsA4UN3MGZ6O2J3hM=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
@ -1438,8 +1440,9 @@ github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPx
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/assertions v1.0.0 h1:UVQPSSmc3qtTi+zPPkCXvZX9VvW/xT/NsRvKfwY81a8=
github.com/smartystreets/assertions v1.0.0/go.mod h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM=
@ -1910,8 +1913,9 @@ golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220517195934-5e4e11fc645e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a h1:dGzPydgVsqGcTRVwiLJ1jVbufYwmzD3LfVPLKsKg+0k=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=

9
pkg/types.go Normal file
View File

@ -0,0 +1,9 @@
package validator
type TraversalType = string
const (
fullTraversal = "full"
stateTraversal = "state"
storageTraversal = "storage"
)

190
pkg/validator.go
View File

@ -18,8 +18,8 @@ package validator
import (
"bytes"
"context"
"fmt"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
@ -32,8 +32,11 @@ import (
"github.com/ipfs/go-blockservice"
"github.com/jmoiron/sqlx"
"github.com/mailgun/groupcache/v2"
log "github.com/sirupsen/logrus"
"golang.org/x/sync/errgroup"
nodeiter "github.com/vulcanize/go-eth-state-node-iterator"
"github.com/vulcanize/go-eth-state-node-iterator/tracker"
ipfsethdb "github.com/vulcanize/ipfs-ethdb/v4"
pgipfsethdb "github.com/vulcanize/ipfs-ethdb/v4/postgres"
)
@ -45,13 +48,21 @@ type Validator struct {
stateDatabase state.Database
db *pgipfsethdb.Database
iterWorkers uint
params Params
}
var emptyCodeHash = crypto.Keccak256(nil)
type Params struct {
Workers uint
RecoveryFormat string // %s substituted with traversal type
}
var (
DefaultRecoveryFormat = "./recover_validate_%s"
emptyCodeHash = crypto.Keccak256(nil)
)
// NewPGIPFSValidator returns a new trie validator ontop of a connection pool for an IPFS backing Postgres database
func NewPGIPFSValidator(db *sqlx.DB, workers uint) *Validator {
func NewPGIPFSValidator(db *sqlx.DB, par Params) *Validator {
kvs := pgipfsethdb.NewKeyValueStore(db, pgipfsethdb.CacheConfig{
Name: "kv",
Size: 16 * 1000 * 1000, // 16MB
@ -64,15 +75,13 @@ func NewPGIPFSValidator(db *sqlx.DB, workers uint) *Validator {
ExpiryDuration: time.Hour * 8, // 8 hours
})
if workers == 0 {
workers = 1
}
normalizeParams(&par)
return &Validator{
kvs: kvs,
trieDB: trie.NewDatabase(kvs),
stateDatabase: state.NewDatabase(database),
db: database.(*pgipfsethdb.Database),
iterWorkers: workers,
params: par,
}
}
@ -81,17 +90,15 @@ func (v *Validator) GetCacheStats() groupcache.Stats {
}
// NewIPFSValidator returns a new trie validator ontop of an IPFS blockservice
func NewIPFSValidator(bs blockservice.BlockService, workers uint) *Validator {
func NewIPFSValidator(bs blockservice.BlockService, par Params) *Validator {
kvs := ipfsethdb.NewKeyValueStore(bs)
database := ipfsethdb.NewDatabase(bs)
if workers == 0 {
workers = 1
}
normalizeParams(&par)
return &Validator{
kvs: kvs,
trieDB: trie.NewDatabase(kvs),
stateDatabase: state.NewDatabase(database),
iterWorkers: workers,
params: par,
}
}
@ -106,71 +113,14 @@ func NewValidator(kvs ethdb.KeyValueStore, database ethdb.Database) *Validator {
}
}
// Traverses each iterator in a separate goroutine.
// If storage = true, also traverse storage tries for each leaf.
func (v *Validator) iterateAsync(iters []trie.NodeIterator, storage bool) error {
var wg sync.WaitGroup
errors := make(chan error)
for _, it := range iters {
wg.Add(1)
go func(it trie.NodeIterator) {
defer wg.Done()
for it.Next(true) {
// Iterate through entire state trie. it.Next() will return false when we have
// either completed iteration of the entire trie or run into an error (e.g. a
// missing node). If we are able to iterate through the entire trie without error
// then the trie is complete.
// If storage is not requested, or the state trie node is an internal entry, leave as is
if !storage || !it.Leaf() {
continue
}
// Otherwise we've reached an account node, initiate data iteration
var account types.StateAccount
if err := rlp.Decode(bytes.NewReader(it.LeafBlob()), &account); err != nil {
errors <- err
break
}
dataTrie, err := v.stateDatabase.OpenStorageTrie(common.BytesToHash(it.LeafKey()), account.Root)
if err != nil {
errors <- err
break
}
dataIt := dataTrie.NodeIterator(nil)
if !bytes.Equal(account.CodeHash, emptyCodeHash) {
addrHash := common.BytesToHash(it.LeafKey())
_, err := v.stateDatabase.ContractCode(addrHash, common.BytesToHash(account.CodeHash))
if err != nil {
errors <- fmt.Errorf("code %x: %v", account.CodeHash, err)
break
}
}
for dataIt.Next(true) {
}
if err = dataIt.Error(); err != nil {
errors <- err
break
}
}
if it.Error() != nil {
errors <- it.Error()
}
}(it)
// Ensure params are valid
func normalizeParams(p *Params) {
if p.Workers == 0 {
p.Workers = 1
}
done := make(chan struct{})
go func() {
wg.Wait()
done <- struct{}{}
}()
var err error
select {
case err = <-errors:
case <-done:
close(errors)
if len(p.RecoveryFormat) == 0 {
p.RecoveryFormat = DefaultRecoveryFormat
}
return err
}
// ValidateTrie returns an error if the state and storage tries for the provided state root cannot be confirmed as complete
@ -180,8 +130,8 @@ func (v *Validator) ValidateTrie(stateRoot common.Hash) error {
if err != nil {
return err
}
iters := nodeiter.SubtrieIterators(t, v.iterWorkers)
return v.iterateAsync(iters, true)
iterate := func(it trie.NodeIterator) error { return v.iterate(it, true) }
return iterateTracked(t, fmt.Sprintf(v.params.RecoveryFormat, fullTraversal), v.params.Workers, iterate)
}
// ValidateStateTrie returns an error if the state trie for the provided state root cannot be confirmed as complete
@ -192,8 +142,8 @@ func (v *Validator) ValidateStateTrie(stateRoot common.Hash) error {
if err != nil {
return err
}
iters := nodeiter.SubtrieIterators(t, v.iterWorkers)
return v.iterateAsync(iters, false)
iterate := func(it trie.NodeIterator) error { return v.iterate(it, false) }
return iterateTracked(t, fmt.Sprintf(v.params.RecoveryFormat, stateTraversal), v.params.Workers, iterate)
}
// ValidateStorageTrie returns an error if the storage trie for the provided storage root and contract address cannot be confirmed as complete
@ -204,8 +154,8 @@ func (v *Validator) ValidateStorageTrie(address common.Address, storageRoot comm
if err != nil {
return err
}
iters := nodeiter.SubtrieIterators(t, v.iterWorkers)
return v.iterateAsync(iters, false)
iterate := func(it trie.NodeIterator) error { return v.iterate(it, false) }
return iterateTracked(t, fmt.Sprintf(v.params.RecoveryFormat, storageTraversal), v.params.Workers, iterate)
}
// Close implements io.Closer
@ -215,3 +165,79 @@ func (v *Validator) Close() error {
groupcache.DeregisterGroup("db")
return nil
}
// Traverses each iterator in a separate goroutine.
// If storage = true, also traverse storage tries for each leaf.
func (v *Validator) iterate(it trie.NodeIterator, storage bool) error {
// Iterate through entire state trie. it.Next() will return false when we have
// either completed iteration of the entire trie or run into an error (e.g. a
// missing node). If we are able to iterate through the entire trie without error
// then the trie is complete.
for it.Next(true) {
// This block adapted from geth - core/state/iterator.go
// If storage is not requested, or the state trie node is an internal entry, skip
if !storage || !it.Leaf() {
continue
}
// Otherwise we've reached an account node, initiate data iteration
var account types.StateAccount
if err := rlp.Decode(bytes.NewReader(it.LeafBlob()), &account); err != nil {
return err
}
dataTrie, err := v.stateDatabase.OpenStorageTrie(common.BytesToHash(it.LeafKey()), account.Root)
if err != nil {
return err
}
dataIt := dataTrie.NodeIterator(nil)
if !bytes.Equal(account.CodeHash, emptyCodeHash) {
addrHash := common.BytesToHash(it.LeafKey())
_, err := v.stateDatabase.ContractCode(addrHash, common.BytesToHash(account.CodeHash))
if err != nil {
return fmt.Errorf("code %x: %v", account.CodeHash, err)
}
}
for dataIt.Next(true) {
}
if dataIt.Error() != nil {
return dataIt.Error()
}
}
return it.Error()
}
func iterateTracked(tree state.Trie, recoveryFile string, iterCount uint, fn func(trie.NodeIterator) error) error {
ctx, cancelCtx := context.WithCancel(context.Background())
tracker := tracker.New(recoveryFile, iterCount)
tracker.CaptureSignal(cancelCtx)
halt := func() {
if err := tracker.HaltAndDump(); err != nil {
log.Errorf("failed to write recovery file: %v", err)
}
}
// attempt to restore from recovery file if it exists
iters, err := tracker.Restore(tree)
if err != nil {
return err
}
if iterCount < uint(len(iters)) {
return fmt.Errorf("recovered too many iterators: got %d, expected %d", len(iters), iterCount)
}
if iters == nil { // nothing restored
iters = nodeiter.SubtrieIterators(tree, iterCount)
for i, it := range iters {
iters[i] = tracker.Tracked(it, nil)
}
}
g, ctx := errgroup.WithContext(ctx)
defer halt()
for _, it := range iters {
func(it trie.NodeIterator) {
g.Go(func() error { return fn(it) })
}(it)
}
return g.Wait()
}

11
pkg/validator_test.go
View File

@ -19,6 +19,8 @@ package validator_test
import (
"fmt"
"math/big"
"os"
"path/filepath"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
@ -194,15 +196,20 @@ var (
v *validator.Validator
db *sqlx.DB
err error
tmp string
)
var _ = Describe("PG-IPFS Validator", func() {
BeforeEach(func() {
db, err = pgipfsethdb.TestDB()
Expect(err).ToNot(HaveOccurred())
v = validator.NewPGIPFSValidator(db, 4)
tmp, err = os.MkdirTemp("", "test_validator")
Expect(err).ToNot(HaveOccurred())
params := validator.Params{Workers: 4, RecoveryFormat: filepath.Join(tmp, "recover_%s")}
v = validator.NewPGIPFSValidator(db, params)
})
AfterEach(func() {
os.RemoveAll(tmp)
v.Close()
})
Describe("ValidateTrie", func() {
@ -210,7 +217,7 @@ var _ = Describe("PG-IPFS Validator", func() {
err = validator.ResetTestDB(db)
Expect(err).ToNot(HaveOccurred())
})
It("Returns an error the state root node is missing", func() {
It("Returns an error if the state root node is missing", func() {
// we write code to ethdb, there should probably be an EthCode IPLD codec
// but there isn't, and we don't need one here since blockstore keys are mh-derived
loadTrie(append(missingRootStateNodes, mockCode), trieStorageNodes)