neoneo-go/pkg/core/block/block_test.go
Elizaveta Chichindaeva 28908aa3cf [#2442] English Check
Signed-off-by: Elizaveta Chichindaeva <elizaveta@nspcc.ru>
2022-05-04 19:48:27 +03:00

273 lines
13 KiB
Go

package block
import (
"encoding/base64"
"encoding/hex"
"errors"
"strings"
"testing"
"github.com/nspcc-dev/neo-go/internal/testserdes"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func trim0x(value interface{}) string {
s := value.(string)
return strings.TrimPrefix(s, "0x")
}
// Test blocks are blocks from testnet with their corresponding indices.
func TestDecodeBlock1(t *testing.T) {
data, err := getBlockData(1)
require.NoError(t, err)
b, err := hex.DecodeString(data["raw"].(string))
require.NoError(t, err)
block := New(false)
assert.NoError(t, testserdes.DecodeBinary(b, block))
assert.Equal(t, uint32(data["index"].(float64)), block.Index)
assert.Equal(t, uint32(data["version"].(float64)), block.Version)
assert.Equal(t, trim0x(data["hash"]), block.Hash().StringLE())
assert.Equal(t, trim0x(data["previousblockhash"]), block.PrevHash.StringLE())
assert.Equal(t, trim0x(data["merkleroot"]), block.MerkleRoot.StringLE())
assert.Equal(t, trim0x(data["nextconsensus"]), address.Uint160ToString(block.NextConsensus))
scripts := data["witnesses"].([]interface{})
script := scripts[0].(map[string]interface{})
assert.Equal(t, script["invocation"].(string), base64.StdEncoding.EncodeToString(block.Script.InvocationScript))
assert.Equal(t, script["verification"].(string), base64.StdEncoding.EncodeToString(block.Script.VerificationScript))
tx := data["tx"].([]interface{})
tx0 := tx[0].(map[string]interface{})
assert.Equal(t, len(tx), len(block.Transactions))
assert.Equal(t, len(tx0["attributes"].([]interface{})), len(block.Transactions[0].Attributes))
}
func TestTrimmedBlock(t *testing.T) {
block := getDecodedBlock(t, 1)
buf := io.NewBufBinWriter()
block.EncodeTrimmed(buf.BinWriter)
require.NoError(t, buf.Err)
r := io.NewBinReaderFromBuf(buf.Bytes())
trimmedBlock, err := NewTrimmedFromReader(false, r)
require.NoError(t, err)
assert.True(t, trimmedBlock.Trimmed)
assert.Equal(t, block.Version, trimmedBlock.Version)
assert.Equal(t, block.PrevHash, trimmedBlock.PrevHash)
assert.Equal(t, block.MerkleRoot, trimmedBlock.MerkleRoot)
assert.Equal(t, block.Timestamp, trimmedBlock.Timestamp)
assert.Equal(t, block.Index, trimmedBlock.Index)
assert.Equal(t, block.NextConsensus, trimmedBlock.NextConsensus)
assert.Equal(t, block.Script, trimmedBlock.Script)
assert.Equal(t, len(block.Transactions), len(trimmedBlock.Transactions))
for i := 0; i < len(block.Transactions); i++ {
assert.Equal(t, block.Transactions[i].Hash(), trimmedBlock.Transactions[i].Hash())
assert.True(t, trimmedBlock.Transactions[i].Trimmed)
}
}
func newDumbBlock() *Block {
return &Block{
Header: Header{
Version: 0,
PrevHash: hash.Sha256([]byte("a")),
MerkleRoot: hash.Sha256([]byte("b")),
Timestamp: 100500,
Index: 1,
NextConsensus: hash.Hash160([]byte("a")),
Script: transaction.Witness{
VerificationScript: []byte{0x51}, // PUSH1
InvocationScript: []byte{0x61}, // NOP
},
},
Transactions: []*transaction.Transaction{
transaction.New([]byte{byte(opcode.PUSH1)}, 0),
},
}
}
func TestHashBlockEqualsHashHeader(t *testing.T) {
block := newDumbBlock()
assert.Equal(t, block.Hash(), block.Header.Hash())
}
func TestBinBlockDecodeEncode(t *testing.T) {
// block with two transfer transactions taken from C# privnet
rawblock := "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"
rawblockBytes, _ := base64.StdEncoding.DecodeString(rawblock)
b := New(false)
assert.NoError(t, testserdes.DecodeBinary(rawblockBytes, b))
expected := map[string]bool{ // 1 trans
"5a30127b16a628de6aa6823418d76214b97a0fc6db865024d3d2c6e939ce3433": false,
"25426643feed564cd3e57f346d6c68692f5622b3063da11c5572d99ee1a5b49a": false,
}
var hashes []string
for _, tx := range b.Transactions {
hashes = append(hashes, tx.Hash().StringLE())
}
assert.Equal(t, len(expected), len(hashes))
// changes value in map to true, if hash is found
for _, hash := range hashes {
expected[hash] = true
}
// iterate map; all values should be true
val := true
for _, v := range expected {
if v == false {
val = false
}
}
assert.Equal(t, true, val)
data, err := testserdes.EncodeBinary(b)
assert.NoError(t, err)
assert.Equal(t, rawblock, base64.StdEncoding.EncodeToString(data))
testserdes.MarshalUnmarshalJSON(t, b, New(false))
}
func TestBlockSizeCalculation(t *testing.T) {
// block taken from C# privnet: 02d7c7801742cd404eb178780c840477f1eef4a771ecc8cc9434640fe8f2bb09
// The Size in golang is given by counting the number of bytes of an object. (len(Bytes))
// its implementation is different from the corresponding C# and python implementations. But the result should
// be the same. In this test we provide more details then necessary because in case of failure we can easily debug the
// root cause of the size calculation missmatch.
rawBlock := "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"
rawBlockBytes, _ := base64.StdEncoding.DecodeString(rawBlock)
b := New(false)
assert.NoError(t, testserdes.DecodeBinary(rawBlockBytes, b))
expected := []struct {
ID string
Size int
Version int
SignersLen int
AttributesLen int
WitnessesLen int
}{ // 2 transactions
{ID: "5a30127b16a628de6aa6823418d76214b97a0fc6db865024d3d2c6e939ce3433", Size: 488, Version: 0, SignersLen: 1, AttributesLen: 0, WitnessesLen: 1},
{ID: "25426643feed564cd3e57f346d6c68692f5622b3063da11c5572d99ee1a5b49a", Size: 492, Version: 0, SignersLen: 1, AttributesLen: 0, WitnessesLen: 1},
}
for i, tx := range b.Transactions {
txID := tx.Hash()
assert.Equal(t, expected[i].ID, txID.StringLE())
assert.Equal(t, expected[i].Size, io.GetVarSize(tx))
assert.Equal(t, expected[i].Version, int(tx.Version))
assert.Equal(t, expected[i].SignersLen, len(tx.Signers))
assert.Equal(t, expected[i].AttributesLen, len(tx.Attributes))
assert.Equal(t, expected[i].WitnessesLen, len(tx.Scripts))
}
assert.Equal(t, len(expected), len(b.Transactions))
// Block specific tests
assert.Equal(t, 0, int(b.Version))
assert.Equal(t, "5b60644c6c6f58faca72c70689d7ed1f40c2e795772bd0de5a88e983ad55080c", b.PrevHash.StringLE())
assert.Equal(t, "95c4d3ef673a732bf399459c7949d0f6e774ecf8c50f282bedad1f0b1c0de590", b.MerkleRoot.StringLE())
assert.Equal(t, 1616078164001, int(b.Timestamp))
assert.Equal(t, 1, int(b.Index))
nextConsensus := address.Uint160ToString(b.NextConsensus)
assert.Equal(t, "NgEisvCqr2h8wpRxQb7bVPWUZdbVCY8Uo6", nextConsensus)
assert.Equal(t, "DEDgwCcXkcaFw5MGOp1cpkgApzDTX2/RxKlmPeXTgWYtfEA8g9svUSbZA4TeoGyWvX8LiN0tJKrzajdMGvTVGqVmDEDp6PBmZmRx9CxswtLht6oWa2Uq4rl5diPsLtqXZeZepMlxUSbaCdlFTB7iWQG9yKXWR5hc0sScevvuVwwsUYdlDEDwlhwZrP07E5fEQKttVMYAiL7edd/eW2yoMGZe6Q95g7yXQ69edVHfQb61fBw3DjCpMDZ5lsxp3BgzXglJwMSK", base64.StdEncoding.EncodeToString(b.Script.InvocationScript))
assert.Equal(t, "EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl", base64.StdEncoding.EncodeToString(b.Script.VerificationScript))
assert.Equal(t, "0285238e7b5d3ca50ae8f8636dedb4fa486bc0536016e1f1edfd74442af7412e", b.Hash().StringLE())
benc, err := testserdes.EncodeBinary(b)
assert.NoError(t, err)
// test size of the block
assert.Equal(t, 1438, len(benc))
assert.Equal(t, rawBlock, base64.StdEncoding.EncodeToString(benc))
}
func TestBlockEncodeDecode(t *testing.T) {
t.Run("positive", func(t *testing.T) {
b := newDumbBlock()
b.Transactions = []*transaction.Transaction{}
_ = b.Hash()
testserdes.EncodeDecodeBinary(t, b, new(Block))
})
t.Run("bad contents count", func(t *testing.T) {
b := newDumbBlock()
b.Transactions = make([]*transaction.Transaction, MaxTransactionsPerBlock+1)
for i := range b.Transactions {
b.Transactions[i] = &transaction.Transaction{
Script: []byte("my_pretty_script"),
}
}
_ = b.Hash()
data, err := testserdes.EncodeBinary(b)
require.NoError(t, err)
require.True(t, errors.Is(testserdes.DecodeBinary(data, new(Block)), ErrMaxContentsPerBlock))
})
}
func TestGetExpectedBlockSize(t *testing.T) {
check := func(t *testing.T, stateRootEnabled bool) {
t.Run("without transactions", func(t *testing.T) {
b := newDumbBlock()
b.StateRootEnabled = stateRootEnabled
b.Transactions = []*transaction.Transaction{}
require.Equal(t, io.GetVarSize(b), b.GetExpectedBlockSize())
require.Equal(t, io.GetVarSize(b), b.GetExpectedBlockSizeWithoutTransactions(0))
})
t.Run("with one transaction", func(t *testing.T) {
b := newDumbBlock()
b.StateRootEnabled = stateRootEnabled
expected := io.GetVarSize(b)
require.Equal(t, expected, b.GetExpectedBlockSize())
require.Equal(t, expected-b.Transactions[0].Size(), b.GetExpectedBlockSizeWithoutTransactions(len(b.Transactions)))
})
t.Run("with multiple transactions", func(t *testing.T) {
b := newDumbBlock()
b.StateRootEnabled = stateRootEnabled
b.Transactions = make([]*transaction.Transaction, 123)
for i := range b.Transactions {
tx := transaction.New([]byte{byte(opcode.RET)}, int64(i))
tx.Signers = []transaction.Signer{{Account: util.Uint160{1, 2, 3}}}
tx.Scripts = []transaction.Witness{{}}
b.Transactions[i] = tx
}
expected := io.GetVarSize(b)
require.Equal(t, expected, b.GetExpectedBlockSize())
for _, tx := range b.Transactions {
expected -= tx.Size()
}
require.Equal(t, expected, b.GetExpectedBlockSizeWithoutTransactions(len(b.Transactions)))
})
}
t.Run("StateRoot enabled", func(t *testing.T) {
check(t, true)
})
t.Run("StateRoot disabled", func(t *testing.T) {
check(t, false)
})
}