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check parent height

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This commit is contained in:
Lucas Molas 2020-08-04 14:44:27 -03:00
parent c0c692fa22
commit 9f82e98f28
1 changed files with 5 additions and 1 deletions
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6
chain/types/tipset.go
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@ -226,5 +226,9 @@ func (ts *TipSet) Contains(oc cid.Cid) bool {
}
func (ts *TipSet) IsChildOf(parent *TipSet) bool {
return CidArrsEqual(ts.Parents().Cids(), parent.Cids())
return CidArrsEqual(ts.Parents().Cids(), parent.Cids()) &&
// FIXME: The height check might go beyond what is meant by
// "parent", but many parts of the code rely on the tipset's
// height for their processing logic at the moment to obviate it.
ts.height > parent.height
}