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a436b30ebf
* [NOD-1417] Implement reachability * [NOD-1417] Rename package name * [NOD-1417] Add UpdateReindexRoot to interface api * [NOD-1417] Remove redundant type * [NOD-1417] Rename reachabilityTreeManager/reachabilityTree to reachabilityManager * [NOD-1417] Fix typo * [NOD-1417] Remove redundant copyright message * [NOD-1417] Fix comment
31 lines
1018 B
Go
31 lines
1018 B
Go
package reachabilitymanager
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import (
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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)
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// IsDAGAncestorOf returns true if blockHashA is an ancestor of
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// blockHashB in the DAG.
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//
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// Note: this method will return true if blockHashA == blockHashB
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// The complexity of this method is O(log(|this.futureCoveringTreeNodeSet|))
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func (rt *reachabilityManager) IsDAGAncestorOf(blockHashA, blockHashB *externalapi.DomainHash) (bool, error) {
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// Check if this node is a reachability tree ancestor of the
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// other node
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isReachabilityTreeAncestor, err := rt.IsReachabilityTreeAncestorOf(blockHashA, blockHashB)
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if err != nil {
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return false, err
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}
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if isReachabilityTreeAncestor {
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return true, nil
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}
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// Otherwise, use previously registered future blocks to complete the
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// reachability test
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return rt.futureCoveringSetHasAncestorOf(blockHashA, blockHashB)
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}
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func (rt *reachabilityManager) UpdateReindexRoot(selectedTip *externalapi.DomainHash) error {
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return rt.updateReindexRoot(selectedTip)
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}
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