TrueCloudLab/neoneo-go
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mpt: add the notion of MPT mode

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It directly affects the storage format, so it's important. ModeGC is not used
at the moment, but defined for future extensibility.
This commit is contained in:
Roman Khimov 2022-01-28 11:56:33 +03:00
parent de99c3acdb
commit 86cb4ed80f
13 changed files with 140 additions and 96 deletions
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12
pkg/core/statesync/module.go
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@ -221,7 +221,11 @@ func (s *Module) defineSyncStage() error {
if err != nil {
return fmt.Errorf("failed to get header to initialize MPT billet: %w", err)
}
s.billet = mpt.NewBillet(header.PrevStateRoot, s.bc.GetConfig().KeepOnlyLatestState,
var mode mpt.TrieMode
if s.bc.GetConfig().KeepOnlyLatestState {
mode |= mpt.ModeLatest
}
s.billet = mpt.NewBillet(header.PrevStateRoot, mode,
TemporaryPrefix(s.dao.Version.StoragePrefix), s.dao.Store)
s.log.Info("MPT billet initialized",
zap.Uint32("height", s.syncPoint),
@ -494,7 +498,11 @@ func (s *Module) Traverse(root util.Uint256, process func(node mpt.Node, nodeByt
s.lock.RLock()
defer s.lock.RUnlock()
b := mpt.NewBillet(root, s.bc.GetConfig().KeepOnlyLatestState, 0, storage.NewMemCachedStore(s.dao.Store))
var mode mpt.TrieMode
if s.bc.GetConfig().KeepOnlyLatestState {
mode |= mpt.ModeLatest
}
b := mpt.NewBillet(root, mode, 0, storage.NewMemCachedStore(s.dao.Store))
return b.Traverse(func(pathToNode []byte, node mpt.Node, nodeBytes []byte) bool {
return process(node, nodeBytes)
}, false)