TrueCloudLab/neoneo-go
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stateroot: add and use DataMPTAux for auxiliary data

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Use DataMPT for nodes only, otherwise with 1M blocks with have 1M
height-stateroot mapping entries that our GC has to iterate over for no
reason.
This commit is contained in:
Roman Khimov 2022-02-12 22:48:16 +03:00
parent ad606101c7
commit ccdda21718
4 changed files with 14 additions and 20 deletions
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2
pkg/core/blockchain.go
View file

@ -44,7 +44,7 @@ import (
// Tuning parameters.
const (
headerBatchCount = 2000
version = "0.2.2"
version = "0.2.3"
defaultInitialGAS = 52000000_00000000
defaultGCPeriod = 10000

14
pkg/core/stateroot/module.go
View file

@ -118,7 +118,7 @@ func (s *Module) CurrentValidatedHeight() uint32 {
// Init initializes state root module at the given height.
func (s *Module) Init(height uint32) error {
data, err := s.Store.Get([]byte{byte(storage.DataMPT), prefixValidated})
data, err := s.Store.Get([]byte{byte(storage.DataMPTAux), prefixValidated})
if err == nil {
s.validatedHeight.Store(binary.LittleEndian.Uint32(data))
}
@ -156,16 +156,6 @@ func (s *Module) CleanStorage() error {
if err != nil {
return fmt.Errorf("failed to remove outdated MPT-reated items: %w", err)
}
currentLocal := s.currentLocal.Load().(util.Uint256)
if !currentLocal.Equals(util.Uint256{}) {
err := s.addLocalStateRoot(s.Store, &state.MPTRoot{
Index: s.localHeight.Load(),
Root: currentLocal,
})
if err != nil {
return fmt.Errorf("failed to store current local stateroot: %w", err)
}
}
return nil
}
@ -177,7 +167,7 @@ func (s *Module) JumpToState(sr *state.MPTRoot) error {
data := make([]byte, 4)
binary.LittleEndian.PutUint32(data, sr.Index)
if err := s.Store.Put([]byte{byte(storage.DataMPT), prefixValidated}, data); err != nil {
if err := s.Store.Put([]byte{byte(storage.DataMPTAux), prefixValidated}, data); err != nil {
return fmt.Errorf("failed to store validated height: %w", err)
}
s.validatedHeight.Store(sr.Index)

6
pkg/core/stateroot/store.go
View file

@ -29,7 +29,7 @@ func (s *Module) addLocalStateRoot(store *storage.MemCachedStore, sr *state.MPTR
data := make([]byte, 4)
binary.LittleEndian.PutUint32(data, sr.Index)
return store.Put([]byte{byte(storage.DataMPT), prefixLocal}, data)
return store.Put([]byte{byte(storage.DataMPTAux), prefixLocal}, data)
}
func putStateRoot(store *storage.MemCachedStore, key []byte, sr *state.MPTRoot) error {
@ -52,7 +52,7 @@ func (s *Module) getStateRoot(key []byte) (*state.MPTRoot, error) {
func makeStateRootKey(index uint32) []byte {
key := make([]byte, 5)
key[0] = byte(storage.DataMPT)
key[0] = byte(storage.DataMPTAux)
binary.BigEndian.PutUint32(key, index)
return key
}
@ -79,7 +79,7 @@ func (s *Module) AddStateRoot(sr *state.MPTRoot) error {
data := make([]byte, 4)
binary.LittleEndian.PutUint32(data, sr.Index)
if err := s.Store.Put([]byte{byte(storage.DataMPT), prefixValidated}, data); err != nil {
if err := s.Store.Put([]byte{byte(storage.DataMPTAux), prefixValidated}, data); err != nil {
return err
}
s.validatedHeight.Store(sr.Index)

12
pkg/core/storage/store.go
View file

@ -11,10 +11,14 @@ import (
// KeyPrefix constants.
const (
DataExecutable KeyPrefix = 0x01
DataMPT KeyPrefix = 0x03
STAccount KeyPrefix = 0x40
STContractID KeyPrefix = 0x51
STStorage KeyPrefix = 0x70
// DataMPT is used for MPT node entries identified by Uint256.
DataMPT KeyPrefix = 0x03
// DataMPTAux is used to store additional MPT data like height-root
// mappings and local/validated heights.
DataMPTAux KeyPrefix = 0x04
STAccount KeyPrefix = 0x40
STContractID KeyPrefix = 0x51
STStorage KeyPrefix = 0x70
// STTempStorage is used to store contract storage items during state sync process
// in order not to mess up the previous state which has its own items stored by
// STStorage prefix. Once state exchange process is completed, all items with