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document NewTipSet checks

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This commit is contained in:
Lucas Molas 2020-08-04 14:44:48 -03:00
parent 9f82e98f28
commit 1ec0ded953
1 changed files with 6 additions and 0 deletions
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6
chain/types/tipset.go
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@ -97,6 +97,12 @@ func tipsetSortFunc(blks []*BlockHeader) func(i, j int) bool {
}
}
// Checks:
// * A tipset is composed of at least one block. (Because of our variable
// number of blocks per tipset, determined by randomness, we do not impose
// an upper limit.)
// * All blocks have the same height.
// * All blocks have the same parents (same number of them and matching CIDs).
func NewTipSet(blks []*BlockHeader) (*TipSet, error) {
if len(blks) == 0 {
return nil, xerrors.Errorf("NewTipSet called with zero length array of blocks")