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core: convert (*Blockchain).JumpToState to a callback

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We don't need this method to be exposed, the only its user is the
StateSync module. At the same time StateSync module manages its state by
itself which guarantees that (*Blockchain).jumpToState will be called
with proper StateSync stage.
This commit is contained in:
Anna Shaleva 2021-08-25 16:24:20 +03:00
parent 6381173293
commit 0e0b55350a
5 changed files with 9 additions and 31 deletions
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10
pkg/core/blockchain.go
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@ -411,17 +411,13 @@ func (bc *Blockchain) init() error {
return bc.updateExtensibleWhitelist(bHeight)
}
// JumpToState is an atomic operation that changes Blockchain state to the one
// jumpToState is an atomic operation that changes Blockchain state to the one
// specified by the state sync point p. All the data needed for the jump must be
// collected by the state sync module.
func (bc *Blockchain) JumpToState(module blockchainer.StateSync) error {
func (bc *Blockchain) jumpToState(p uint32) error {
bc.lock.Lock()
defer bc.lock.Unlock()
p, err := module.GetJumpHeight()
if err != nil {
return fmt.Errorf("failed to get jump height: %w", err)
}
if p+1 >= uint32(len(bc.headerHashes)) {
return fmt.Errorf("invalid state sync point")
}
@ -792,7 +788,7 @@ func (bc *Blockchain) GetStateModule() blockchainer.StateRoot {
// GetStateSyncModule returns new state sync service instance.
func (bc *Blockchain) GetStateSyncModule() blockchainer.StateSync {
return statesync.NewModule(bc, bc.log, bc.dao)
return statesync.NewModule(bc, bc.log, bc.dao, bc.jumpToState)
}
// storeBlock performs chain update using the block given, it executes all