Method BitArray

types/block.go:841–851

BitArray returns a BitArray of which validators voted for BlockID or nil in this commit. Implements VoteSetReader.

()

// BitArray returns a BitArray of which validators voted for BlockID or nil in this commit.
// Implements VoteSetReader.
func (commit *Commit) BitArray() *bits.BitArray {
	if commit.bitArray == nil {
		commit.bitArray = bits.NewBitArray(len(commit.Signatures))
		for i, commitSig := range commit.Signatures {
			// TODO: need to check the BlockID otherwise we could be counting conflicts,
			// not just the one with +2/3 !
			commit.bitArray.SetIndex(i, !commitSig.Absent())
		}
	}
	return commit.bitArray
}

// GetByIndex returns the vote corresponding to a given validator index.
// Panics if `index >= commit.Size()`.