github.com/ledgerwatch/erigon-lib@v1.0.0/kv/temporal/historyv2/account_changeset_test.go (about)

     1  /*
     2     Copyright 2022 Erigon contributors
     3  
     4     Licensed under the Apache License, Version 2.0 (the "License");
     5     you may not use this file except in compliance with the License.
     6     You may obtain a copy of the License at
     7  
     8         http://www.apache.org/licenses/LICENSE-2.0
     9  
    10     Unless required by applicable law or agreed to in writing, software
    11     distributed under the License is distributed on an "AS IS" BASIS,
    12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13     See the License for the specific language governing permissions and
    14     limitations under the License.
    15  */
    16  
    17  package historyv2
    18  
    19  import (
    20  	"bytes"
    21  	"encoding/hex"
    22  	"fmt"
    23  	"reflect"
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  
    28  	"github.com/ledgerwatch/erigon-lib/common/hexutility"
    29  	"github.com/ledgerwatch/erigon-lib/kv"
    30  )
    31  
    32  func TestEncodingAccount(t *testing.T) {
    33  	bkt := kv.AccountChangeSet
    34  	m := Mapper[bkt]
    35  
    36  	ch := m.New()
    37  	// empty StorageChangeSset first
    38  	err := m.Encode(1, ch, func(k, v []byte) error {
    39  		return fmt.Errorf("must never call")
    40  	})
    41  	assert.NoError(t, err)
    42  
    43  	vals := [][]byte{
    44  		hexutility.MustDecodeHex("f7f6db1eb17c6d582078e0ffdd0c"),
    45  		hexutility.MustDecodeHex("b1e9b5c16355eede662031dd621d08faf4ea"),
    46  		hexutility.MustDecodeHex("862cf52b74f1cea41ddd8ffa4b3e7c7790"),
    47  	}
    48  	numOfElements := 3
    49  	for i := 0; i < numOfElements; i++ {
    50  		address := hexutility.MustDecodeHex(fmt.Sprintf("0xBe828AD8B538D1D691891F6c725dEdc5989abBc%d", i))
    51  		err2 := ch.Add(address, vals[i])
    52  		if err2 != nil {
    53  			t.Fatal(err)
    54  		}
    55  	}
    56  
    57  	ch2 := m.New()
    58  	err = m.Encode(1, ch, func(k, v []byte) error {
    59  		var err error
    60  		_, k, v, err = m.Decode(k, v)
    61  		if err != nil {
    62  			return err
    63  		}
    64  		return ch2.Add(k, v)
    65  	})
    66  	if err != nil {
    67  		t.Fatal(err)
    68  	}
    69  
    70  	if !reflect.DeepEqual(ch, ch2) {
    71  		fmt.Println("ch", len(ch.Changes), "ch2", len(ch2.Changes))
    72  		for i, v := range ch.Changes {
    73  			fmt.Println("Line ", i)
    74  
    75  			if !bytes.Equal(v.Key, ch2.Changes[i].Key) || !bytes.Equal(v.Value, ch2.Changes[i].Value) {
    76  				fmt.Println("Diff ", i)
    77  				fmt.Println("k1", hex.EncodeToString(v.Key), len(v.Key))
    78  				fmt.Println("k2", hex.EncodeToString(ch2.Changes[i].Key))
    79  				fmt.Println("v1", hex.EncodeToString(v.Value))
    80  				fmt.Println("v2", hex.EncodeToString(ch2.Changes[i].Value))
    81  			}
    82  		}
    83  		fmt.Printf("%+v %+v\n", ch, ch2)
    84  		t.Fatal("not equal")
    85  	}
    86  }