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45d9b63572
* [NOD-1567] Add clone methods to data stores types * [NOD-1567] Fix comments * [NOD-1567] Fix test
84 lines
2.9 KiB
Go
84 lines
2.9 KiB
Go
package consensusstatemanager
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import (
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"github.com/kaspanet/kaspad/domain/consensus/model"
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/pkg/errors"
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)
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func (csm *consensusStateManager) stageDiff(blockHash *externalapi.DomainHash,
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utxoDiff *model.UTXODiff, utxoDiffChild *externalapi.DomainHash) error {
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log.Tracef("stageDiff start for block %s", blockHash)
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defer log.Tracef("stageDiff end for block %s", blockHash)
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log.Tracef("Staging block %s as the diff child of %s", utxoDiffChild, blockHash)
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csm.utxoDiffStore.Stage(blockHash, utxoDiff, utxoDiffChild)
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if utxoDiffChild == nil {
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log.Tracef("Adding block %s to the virtual diff parents", blockHash)
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return csm.addToVirtualDiffParents(blockHash)
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}
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log.Tracef("Removing block %s from the virtual diff parents", blockHash)
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return csm.removeFromVirtualDiffParents(blockHash)
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}
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func (csm *consensusStateManager) addToVirtualDiffParents(blockHash *externalapi.DomainHash) error {
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log.Tracef("addToVirtualDiffParents start for block %s", blockHash)
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defer log.Tracef("addToVirtualDiffParents end for block %s", blockHash)
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var oldVirtualDiffParents []*externalapi.DomainHash
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if *blockHash != *csm.genesisHash {
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var err error
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oldVirtualDiffParents, err = csm.consensusStateStore.VirtualDiffParents(csm.databaseContext)
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if err != nil {
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return err
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}
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}
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isInVirtualDiffParents := false
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for _, diffParent := range oldVirtualDiffParents {
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if *diffParent == *blockHash {
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isInVirtualDiffParents = true
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break
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}
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}
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if isInVirtualDiffParents {
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log.Tracef("Block %s is already a virtual diff parent, so there's no need to add it", blockHash)
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return nil
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}
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newVirtualDiffParents := append([]*externalapi.DomainHash{blockHash}, oldVirtualDiffParents...)
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log.Tracef("Staging virtual diff parents after adding %s to it", blockHash)
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csm.consensusStateStore.StageVirtualDiffParents(newVirtualDiffParents)
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return nil
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}
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func (csm *consensusStateManager) removeFromVirtualDiffParents(blockHash *externalapi.DomainHash) error {
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log.Tracef("removeFromVirtualDiffParents start for block %s", blockHash)
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defer log.Tracef("removeFromVirtualDiffParents end for block %s", blockHash)
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oldVirtualDiffParents, err := csm.consensusStateStore.VirtualDiffParents(csm.databaseContext)
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if err != nil {
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return err
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}
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newVirtualDiffParents := make([]*externalapi.DomainHash, 0, len(oldVirtualDiffParents)-1)
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for _, diffParent := range oldVirtualDiffParents {
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if *diffParent != *blockHash {
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newVirtualDiffParents = append(newVirtualDiffParents, diffParent)
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}
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}
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if len(newVirtualDiffParents) != len(oldVirtualDiffParents)-1 {
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return errors.Errorf("expected to remove one member from virtual diff parents and "+
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"have a length of %d but got length of %d", len(oldVirtualDiffParents)-1, len(newVirtualDiffParents))
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}
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log.Tracef("Staging virtual diff parents after removing %s from it", blockHash)
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csm.consensusStateStore.StageVirtualDiffParents(newVirtualDiffParents)
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return nil
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}
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