prysm-pulse/encoding/ssz/helpers_test.go
Nishant Das 0ade1f121d
Add Balance Field Trie (#9793)
* save stuff

* fix in v1

* clean up more

* fix bugs

* add comments and clean up

* add flag + test

* add tests

* fmt

* radek's review

* gaz

* kasey's review

* gaz and new conditional

* improve naming
2021-11-19 20:01:15 +08:00

120 lines
4.3 KiB
Go

package ssz_test
import (
"testing"
"github.com/prysmaticlabs/go-bitfield"
"github.com/prysmaticlabs/prysm/crypto/hash"
"github.com/prysmaticlabs/prysm/encoding/ssz"
"github.com/prysmaticlabs/prysm/testing/assert"
"github.com/prysmaticlabs/prysm/testing/require"
)
const merkleizingListLimitError = "merkleizing list that is too large, over limit"
func TestBitlistRoot(t *testing.T) {
hasher := hash.CustomSHA256Hasher()
capacity := uint64(10)
bfield := bitfield.NewBitlist(capacity)
expected := [32]byte{176, 76, 194, 203, 142, 166, 117, 79, 148, 194, 231, 64, 60, 245, 142, 32, 201, 2, 58, 152, 53, 12, 132, 40, 41, 102, 224, 189, 103, 41, 211, 202}
result, err := ssz.BitlistRoot(hasher, bfield, capacity)
require.NoError(t, err)
assert.Equal(t, expected, result)
}
func TestBitwiseMerkleize(t *testing.T) {
hasher := hash.CustomSHA256Hasher()
chunks := [][]byte{
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
{11, 12, 13, 14, 15, 16, 17, 18, 19, 20},
}
count := uint64(2)
limit := uint64(2)
expected := [32]byte{194, 32, 213, 52, 220, 127, 18, 240, 43, 151, 19, 79, 188, 175, 142, 177, 208, 46, 96, 20, 18, 231, 208, 29, 120, 102, 122, 17, 46, 31, 155, 30}
result, err := ssz.BitwiseMerkleize(hasher, chunks, count, limit)
require.NoError(t, err)
assert.Equal(t, expected, result)
}
func TestBitwiseMerkleizeOverLimit(t *testing.T) {
hasher := hash.CustomSHA256Hasher()
chunks := [][]byte{
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
{11, 12, 13, 14, 15, 16, 17, 18, 19, 20},
}
count := uint64(2)
limit := uint64(1)
_, err := ssz.BitwiseMerkleize(hasher, chunks, count, limit)
assert.ErrorContains(t, merkleizingListLimitError, err)
}
func TestBitwiseMerkleizeArrays(t *testing.T) {
hasher := hash.CustomSHA256Hasher()
chunks := [][32]byte{
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32},
{33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 62, 62, 63, 64},
}
count := uint64(2)
limit := uint64(2)
expected := [32]byte{138, 81, 210, 194, 151, 231, 249, 241, 64, 118, 209, 58, 145, 109, 225, 89, 118, 110, 159, 220, 193, 183, 203, 124, 166, 24, 65, 26, 160, 215, 233, 219}
result, err := ssz.BitwiseMerkleizeArrays(hasher, chunks, count, limit)
require.NoError(t, err)
assert.Equal(t, expected, result)
}
func TestBitwiseMerkleizeArraysOverLimit(t *testing.T) {
hasher := hash.CustomSHA256Hasher()
chunks := [][32]byte{
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32},
{33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 62, 62, 63, 64},
}
count := uint64(2)
limit := uint64(1)
_, err := ssz.BitwiseMerkleizeArrays(hasher, chunks, count, limit)
assert.ErrorContains(t, merkleizingListLimitError, err)
}
func TestPack(t *testing.T) {
byteSlice2D := [][]byte{
{1, 2, 3, 4, 5, 6, 7, 8, 9},
{1, 1, 2, 3, 5, 8, 13, 21, 34},
}
expected := []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 1, 2, 3, 5, 8, 13, 21, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
result, err := ssz.Pack(byteSlice2D)
require.NoError(t, err)
assert.Equal(t, len(expected), len(result[0]))
for i, v := range expected {
assert.DeepEqual(t, v, result[0][i])
}
}
func TestPackByChunk(t *testing.T) {
byteSlice2D := [][]byte{
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 2, 5, 2, 6, 2, 7},
{1, 1, 2, 3, 5, 8, 13, 21, 34},
}
expected := [][32]byte{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 2, 5, 2, 6, 2, 7, 1, 1},
{2, 3, 5, 8, 13, 21, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}
result, err := ssz.PackByChunk(byteSlice2D)
require.NoError(t, err)
assert.Equal(t, len(expected), len(result))
for i, v := range expected {
assert.DeepEqual(t, v, result[i])
}
}
func TestMixInLength(t *testing.T) {
byteSlice := [32]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}
length := []byte{1, 2, 3}
expected := [32]byte{105, 60, 167, 169, 197, 220, 122, 99, 59, 14, 250, 12, 251, 62, 135, 239, 29, 68, 140, 1, 6, 36, 207, 44, 64, 221, 76, 230, 237, 218, 150, 88}
result := ssz.MixInLength(byteSlice, length)
assert.Equal(t, expected, result)
}