hash_test.go

// Copyright © 2019 Weald Technology Trading
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package util_test

import (
	"testing"

	"github.com/stretchr/testify/assert"
	util "github.com/wealdtech/go-eth2-util"
)

func TestSHA256(t *testing.T) {
	tests := []struct {
		name  string
		input [][]byte
		hash  []byte
	}{
		{
			name:  "Nil",
			input: nil,
			hash:  []byte{0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55},
		},
		{
			name:  "Empty",
			input: [][]byte{},
			hash:  []byte{0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55},
		},
		{
			name:  "DoubleEmpty",
			input: [][]byte{{}, {}},
			hash:  []byte{0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55},
		},
		{
			name:  "Data",
			input: [][]byte{{0x01}},
			hash:  []byte{0x4b, 0xf5, 0x12, 0x2f, 0x34, 0x45, 0x54, 0xc5, 0x3b, 0xde, 0x2e, 0xbb, 0x8c, 0xd2, 0xb7, 0xe3, 0xd1, 0x60, 0x0a, 0xd6, 0x31, 0xc3, 0x85, 0xa5, 0xd7, 0xcc, 0xe2, 0x3c, 0x77, 0x85, 0x45, 0x9a},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			hash := util.SHA256(test.input...)
			assert.Equal(t, test.hash, hash)
		})
	}
}

func TestSHA3256(t *testing.T) {
	tests := []struct {
		name  string
		input []byte
		hash  []byte
	}{
		{
			name:  "Nil",
			input: nil,
			hash:  []byte{0xa7, 0xff, 0xc6, 0xf8, 0xbf, 0x1e, 0xd7, 0x66, 0x51, 0xc1, 0x47, 0x56, 0xa0, 0x61, 0xd6, 0x62, 0xf5, 0x80, 0xff, 0x4d, 0xe4, 0x3b, 0x49, 0xfa, 0x82, 0xd8, 0x0a, 0x4b, 0x80, 0xf8, 0x43, 0x4a},
		},
		{
			name:  "Empty",
			input: []byte{},
			hash:  []byte{0xa7, 0xff, 0xc6, 0xf8, 0xbf, 0x1e, 0xd7, 0x66, 0x51, 0xc1, 0x47, 0x56, 0xa0, 0x61, 0xd6, 0x62, 0xf5, 0x80, 0xff, 0x4d, 0xe4, 0x3b, 0x49, 0xfa, 0x82, 0xd8, 0x0a, 0x4b, 0x80, 0xf8, 0x43, 0x4a},
		},
		{
			name:  "Data",
			input: []byte{0x01},
			hash:  []byte{0x27, 0x67, 0xf1, 0x5c, 0x8a, 0xf2, 0xf2, 0xc7, 0x22, 0x5d, 0x52, 0x73, 0xfd, 0xd6, 0x83, 0xed, 0xc7, 0x14, 0x11, 0x0a, 0x98, 0x7d, 0x10, 0x54, 0x69, 0x7c, 0x34, 0x8a, 0xed, 0x4e, 0x6c, 0xc7},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			hash := util.SHA3256(test.input)
			assert.Equal(t, test.hash, hash)
		})
	}
}

func TestKeccak256(t *testing.T) {
	tests := []struct {
		name  string
		input []byte
		hash  []byte
	}{
		{
			name:  "Nil",
			input: nil,
			hash:  []byte{0xc5, 0xd2, 0x46, 0x01, 0x86, 0xf7, 0x23, 0x3c, 0x92, 0x7e, 0x7d, 0xb2, 0xdc, 0xc7, 0x03, 0xc0, 0xe5, 0x00, 0xb6, 0x53, 0xca, 0x82, 0x27, 0x3b, 0x7b, 0xfa, 0xd8, 0x04, 0x5d, 0x85, 0xa4, 0x70},
		},
		{
			name:  "Empty",
			input: []byte{},
			hash:  []byte{0xc5, 0xd2, 0x46, 0x01, 0x86, 0xf7, 0x23, 0x3c, 0x92, 0x7e, 0x7d, 0xb2, 0xdc, 0xc7, 0x03, 0xc0, 0xe5, 0x00, 0xb6, 0x53, 0xca, 0x82, 0x27, 0x3b, 0x7b, 0xfa, 0xd8, 0x04, 0x5d, 0x85, 0xa4, 0x70},
		},
		{
			name:  "Data",
			input: []byte{0x01},
			hash:  []byte{0x5f, 0xe7, 0xf9, 0x77, 0xe7, 0x1d, 0xba, 0x2e, 0xa1, 0xa6, 0x8e, 0x21, 0x05, 0x7b, 0xee, 0xbb, 0x9b, 0xe2, 0xac, 0x30, 0xc6, 0x41, 0x0a, 0xa3, 0x8d, 0x4f, 0x3f, 0xbe, 0x41, 0xdc, 0xff, 0xd2},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			hash := util.Keccak256(test.input)
			assert.Equal(t, test.hash, hash)
		})
	}
}