mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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18e67cd07d
* Disable caches * Fix cmd/integration? * state root hash matches * Cleanup * Skip TestForkIDSplit * Try to fix the test
295 lines
8.3 KiB
Go
295 lines
8.3 KiB
Go
package state
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import (
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"context"
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"encoding/binary"
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"fmt"
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"github.com/VictoriaMetrics/fastcache"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/turbo-geth/common"
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"github.com/ledgerwatch/turbo-geth/common/changeset"
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"github.com/ledgerwatch/turbo-geth/common/dbutils"
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"github.com/ledgerwatch/turbo-geth/core/rawdb"
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"github.com/ledgerwatch/turbo-geth/core/types/accounts"
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"github.com/ledgerwatch/turbo-geth/ethdb"
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"github.com/ledgerwatch/turbo-geth/trie"
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)
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// This type is now used in GenerateChain to generate blockchains for the tests (core/chain_makers.go)
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// Main mode of operation uses PlainDbStateWriter
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var _ WriterWithChangeSets = (*DbStateWriter)(nil)
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func NewDbStateWriter(db ethdb.Database, blockNr uint64) *DbStateWriter {
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return &DbStateWriter{
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db: db,
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blockNr: blockNr,
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pw: &PreimageWriter{db: db, savePreimages: false},
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csw: NewChangeSetWriter(),
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}
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}
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type DbStateWriter struct {
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db ethdb.Database
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pw *PreimageWriter
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blockNr uint64
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csw *ChangeSetWriter
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accountCache *fastcache.Cache
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storageCache *fastcache.Cache
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codeCache *fastcache.Cache
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codeSizeCache *fastcache.Cache
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}
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func (dsw *DbStateWriter) ChangeSetWriter() *ChangeSetWriter {
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return dsw.csw
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}
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func (dsw *DbStateWriter) SetAccountCache(accountCache *fastcache.Cache) {
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dsw.accountCache = accountCache
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}
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func (dsw *DbStateWriter) SetStorageCache(storageCache *fastcache.Cache) {
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dsw.storageCache = storageCache
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}
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func (dsw *DbStateWriter) SetCodeCache(codeCache *fastcache.Cache) {
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dsw.codeCache = codeCache
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}
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func (dsw *DbStateWriter) SetCodeSizeCache(codeSizeCache *fastcache.Cache) {
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dsw.codeSizeCache = codeSizeCache
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}
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func originalAccountData(original *accounts.Account, omitHashes bool) []byte {
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var originalData []byte
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if !original.Initialised {
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originalData = []byte{}
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} else if omitHashes {
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testAcc := original.SelfCopy()
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copy(testAcc.CodeHash[:], emptyCodeHash)
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testAcc.Root = trie.EmptyRoot
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originalDataLen := testAcc.EncodingLengthForStorage()
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originalData = make([]byte, originalDataLen)
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testAcc.EncodeForStorage(originalData)
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} else {
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originalDataLen := original.EncodingLengthForStorage()
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originalData = make([]byte, originalDataLen)
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original.EncodeForStorage(originalData)
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}
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return originalData
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}
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func (dsw *DbStateWriter) UpdateAccountData(ctx context.Context, address common.Address, original, account *accounts.Account) error {
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if err := dsw.csw.UpdateAccountData(ctx, address, original, account); err != nil {
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return err
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}
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addrHash, err := dsw.pw.HashAddress(address, true /*save*/)
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if err != nil {
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return err
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}
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value := make([]byte, account.EncodingLengthForStorage())
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account.EncodeForStorage(value)
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if err := dsw.db.Put(dbutils.CurrentStateBucket, addrHash[:], value); err != nil {
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return err
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}
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if dsw.accountCache != nil {
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dsw.accountCache.Set(address[:], value)
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}
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return nil
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}
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func (dsw *DbStateWriter) DeleteAccount(ctx context.Context, address common.Address, original *accounts.Account) error {
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if err := dsw.csw.DeleteAccount(ctx, address, original); err != nil {
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return err
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}
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addrHash, err := dsw.pw.HashAddress(address, true /*save*/)
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if err != nil {
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return err
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}
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if err := rawdb.DeleteAccount(dsw.db, addrHash); err != nil {
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return err
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}
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if original.Incarnation > 0 {
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var b [8]byte
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binary.BigEndian.PutUint64(b[:], original.Incarnation)
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if err := dsw.db.Put(dbutils.IncarnationMapBucket, address[:], b[:]); err != nil {
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return err
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}
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}
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if dsw.accountCache != nil {
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dsw.accountCache.Set(address[:], nil)
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}
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if dsw.codeCache != nil {
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dsw.codeCache.Set(address[:], nil)
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}
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if dsw.codeSizeCache != nil {
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var b [4]byte
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binary.BigEndian.PutUint32(b[:], 0)
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dsw.codeSizeCache.Set(address[:], b[:])
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}
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return nil
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}
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func (dsw *DbStateWriter) UpdateAccountCode(address common.Address, incarnation uint64, codeHash common.Hash, code []byte) error {
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if err := dsw.csw.UpdateAccountCode(address, incarnation, codeHash, code); err != nil {
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return err
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}
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//save contract code mapping
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if err := dsw.db.Put(dbutils.CodeBucket, codeHash[:], code); err != nil {
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return err
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}
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addrHash, err := common.HashData(address.Bytes())
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if err != nil {
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return err
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}
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//save contract to codeHash mapping
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if err := dsw.db.Put(dbutils.ContractCodeBucket, dbutils.GenerateStoragePrefix(addrHash[:], incarnation), codeHash[:]); err != nil {
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return err
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}
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if dsw.codeCache != nil {
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if len(code) <= 1024 {
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dsw.codeCache.Set(address[:], code)
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} else {
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dsw.codeCache.Del(address[:])
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}
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}
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if dsw.codeSizeCache != nil {
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var b [4]byte
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binary.BigEndian.PutUint32(b[:], uint32(len(code)))
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dsw.codeSizeCache.Set(address[:], b[:])
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}
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return nil
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}
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func (dsw *DbStateWriter) WriteAccountStorage(ctx context.Context, address common.Address, incarnation uint64, key *common.Hash, original, value *uint256.Int) error {
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// We delegate here first to let the changeSetWrite make its own decision on whether to proceed in case *original == *value
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if err := dsw.csw.WriteAccountStorage(ctx, address, incarnation, key, original, value); err != nil {
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return err
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}
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if *original == *value {
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return nil
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}
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seckey, err := dsw.pw.HashKey(key, true /*save*/)
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if err != nil {
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return err
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}
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addrHash, err := dsw.pw.HashAddress(address, false /*save*/)
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if err != nil {
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return err
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}
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compositeKey := dbutils.GenerateCompositeStorageKey(addrHash, incarnation, seckey)
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v := value.Bytes()
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if dsw.storageCache != nil {
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dsw.storageCache.Set(compositeKey, v)
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}
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if len(v) == 0 {
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return dsw.db.Delete(dbutils.CurrentStateBucket, compositeKey)
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}
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return dsw.db.Put(dbutils.CurrentStateBucket, compositeKey, v)
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}
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func (dsw *DbStateWriter) CreateContract(address common.Address) error {
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if err := dsw.csw.CreateContract(address); err != nil {
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return err
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}
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if err := dsw.db.Delete(dbutils.IncarnationMapBucket, address[:]); err != nil {
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return err
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}
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return nil
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}
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// WriteChangeSets causes accumulated change sets to be written into
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// the database (or batch) associated with the `dsw`
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func (dsw *DbStateWriter) WriteChangeSets() error {
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accountChanges, err := dsw.csw.GetAccountChanges()
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if err != nil {
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return err
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}
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var accountSerialised []byte
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accountSerialised, err = changeset.EncodeAccounts(accountChanges)
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if err != nil {
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return err
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}
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key := dbutils.EncodeTimestamp(dsw.blockNr)
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if err = dsw.db.Put(dbutils.AccountChangeSetBucket, key, accountSerialised); err != nil {
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return err
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}
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storageChanges, err := dsw.csw.GetStorageChanges()
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if err != nil {
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return err
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}
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var storageSerialized []byte
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if storageChanges.Len() > 0 {
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storageSerialized, err = changeset.EncodeStorage(storageChanges)
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if err != nil {
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return err
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}
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if err = dsw.db.Put(dbutils.StorageChangeSetBucket, key, storageSerialized); err != nil {
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return err
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}
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}
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return nil
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}
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func (dsw *DbStateWriter) WriteHistory() error {
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accountChanges, err := dsw.csw.GetAccountChanges()
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if err != nil {
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return err
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}
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err = writeIndex(dsw.blockNr, accountChanges, dbutils.AccountsHistoryBucket, dsw.db)
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if err != nil {
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return err
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}
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storageChanges, err := dsw.csw.GetStorageChanges()
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if err != nil {
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return err
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}
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err = writeIndex(dsw.blockNr, storageChanges, dbutils.StorageHistoryBucket, dsw.db)
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if err != nil {
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return err
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}
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return nil
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}
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func writeIndex(blocknum uint64, changes *changeset.ChangeSet, bucket []byte, changeDb ethdb.Database) error {
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for _, change := range changes.Changes {
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currentChunkKey := dbutils.CurrentChunkKey(change.Key)
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indexBytes, err := changeDb.Get(bucket, currentChunkKey)
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if err != nil && err != ethdb.ErrKeyNotFound {
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return fmt.Errorf("find chunk failed: %w", err)
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}
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var index dbutils.HistoryIndexBytes
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if len(indexBytes) == 0 {
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index = dbutils.NewHistoryIndex()
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} else if dbutils.CheckNewIndexChunk(indexBytes, blocknum) {
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// Chunk overflow, need to write the "old" current chunk under its key derived from the last element
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index = dbutils.WrapHistoryIndex(indexBytes)
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indexKey, err := index.Key(change.Key)
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if err != nil {
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return err
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}
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// Flush the old chunk
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if err := changeDb.Put(bucket, indexKey, index); err != nil {
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return err
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}
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// Start a new chunk
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index = dbutils.NewHistoryIndex()
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} else {
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index = dbutils.WrapHistoryIndex(indexBytes)
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}
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index = index.Append(blocknum, len(change.Value) == 0)
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if err := changeDb.Put(bucket, currentChunkKey, index); err != nil {
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return err
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}
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}
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return nil
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}
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