values = [][]byte{defaultLeaf, getFreshData(1)[0]}
	_, err := smt.Update(keys, values)
	assert.NoError(t, err)
}

func bitSet(bits []byte, i int) {
	bits[i/8] |= 1 << uint(7-i%8)
}

func TestSmtRaisesError(t *testing.T) {
	smt := newSMT(hasher, nil, time.Minute)
	// Add data to empty trie
	keys := getFreshData(10)
	values := getFreshData(10)
	_, err := smt.Update(keys, values)
	assert.NoError(t, err)