forked from btcsuite/btcutil
/
block_test.go
550 lines (513 loc) · 16.8 KB
/
block_test.go
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// Copyright (c) 2013-2014 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package btcutil_test
import (
"bytes"
"io"
"reflect"
"testing"
"time"
"github.com/CryptocurrencyCabal/htcd/wire"
"github.com/CryptocurrencyCabal/btcutil"
"github.com/davecgh/go-spew/spew"
)
// TestBlock tests the API for Block.
func TestBlock(t *testing.T) {
b := btcutil.NewBlock(&Block100000)
// Ensure we get the same data back out.
if msgBlock := b.MsgBlock(); !reflect.DeepEqual(msgBlock, &Block100000) {
t.Errorf("MsgBlock: mismatched MsgBlock - got %v, want %v",
spew.Sdump(msgBlock), spew.Sdump(&Block100000))
}
// Ensure block height set and get work properly.
wantHeight := int32(100000)
b.SetHeight(wantHeight)
if gotHeight := b.Height(); gotHeight != wantHeight {
t.Errorf("Height: mismatched height - got %v, want %v",
gotHeight, wantHeight)
}
// Hash for block 100,000.
wantShaStr := "3ba27aa200b1cecaad478d2b00432346c3f1f3986da1afd33e506"
wantSha, err := wire.NewShaHashFromStr(wantShaStr)
if err != nil {
t.Errorf("NewShaHashFromStr: %v", err)
}
// Request the sha multiple times to test generation and caching.
for i := 0; i < 2; i++ {
sha := b.Sha()
if !sha.IsEqual(wantSha) {
t.Errorf("Sha #%d mismatched sha - got %v, want %v", i,
sha, wantSha)
}
}
// Shas for the transactions in Block100000.
wantTxShas := []string{
"8c14f0db3df150123e6f3dbbf30f8b955a8249b62ac1d1ff16284aefa3d06d87",
"fff2525b8931402dd09222c50775608f75787bd2b87e56995a7bdd30f79702c4",
"6359f0868171b1d194cbee1af2f16ea598ae8fad666d9b012c8ed2b79a236ec4",
"e9a66845e05d5abc0ad04ec80f774a7e585c6e8db975962d069a522137b80c1d",
}
// Create a new block to nuke all cached data.
b = btcutil.NewBlock(&Block100000)
// Request sha for all transactions one at a time via Tx.
for i, txSha := range wantTxShas {
wantSha, err := wire.NewShaHashFromStr(txSha)
if err != nil {
t.Errorf("NewShaHashFromStr: %v", err)
}
// Request the sha multiple times to test generation and caching.
for j := 0; j < 2; j++ {
tx, err := b.Tx(i)
if err != nil {
t.Errorf("Tx #%d: %v", i, err)
continue
}
sha := tx.Sha()
if !sha.IsEqual(wantSha) {
t.Errorf("Sha #%d mismatched sha - got %v, "+
"want %v", j, sha, wantSha)
continue
}
}
}
// Create a new block to nuke all cached data.
b = btcutil.NewBlock(&Block100000)
// Request slice of all transactions multiple times to test generation
// and caching.
for i := 0; i < 2; i++ {
transactions := b.Transactions()
// Ensure we get the expected number of transactions.
if len(transactions) != len(wantTxShas) {
t.Errorf("Transactions #%d mismatched number of "+
"transactions - got %d, want %d", i,
len(transactions), len(wantTxShas))
continue
}
// Ensure all of the shas match.
for j, tx := range transactions {
wantSha, err := wire.NewShaHashFromStr(wantTxShas[j])
if err != nil {
t.Errorf("NewShaHashFromStr: %v", err)
}
sha := tx.Sha()
if !sha.IsEqual(wantSha) {
t.Errorf("Transactions #%d mismatched shas - "+
"got %v, want %v", j, sha, wantSha)
continue
}
}
}
// Serialize the test block.
var block100000Buf bytes.Buffer
err = Block100000.Serialize(&block100000Buf)
if err != nil {
t.Errorf("Serialize: %v", err)
}
block100000Bytes := block100000Buf.Bytes()
// Request serialized bytes multiple times to test generation and
// caching.
for i := 0; i < 2; i++ {
serializedBytes, err := b.Bytes()
if err != nil {
t.Errorf("Bytes: %v", err)
continue
}
if !bytes.Equal(serializedBytes, block100000Bytes) {
t.Errorf("Bytes #%d wrong bytes - got %v, want %v", i,
spew.Sdump(serializedBytes),
spew.Sdump(block100000Bytes))
continue
}
}
// Transaction offsets and length for the transaction in Block100000.
wantTxLocs := []wire.TxLoc{
{TxStart: 81, TxLen: 135},
{TxStart: 216, TxLen: 259},
{TxStart: 475, TxLen: 257},
{TxStart: 732, TxLen: 225},
}
// Ensure the transaction location information is accurate.
txLocs, err := b.TxLoc()
if err != nil {
t.Errorf("TxLoc: %v", err)
return
}
if !reflect.DeepEqual(txLocs, wantTxLocs) {
t.Errorf("TxLoc: mismatched transaction location information "+
"- got %v, want %v", spew.Sdump(txLocs),
spew.Sdump(wantTxLocs))
}
}
// TestNewBlockFromBytes tests creation of a Block from serialized bytes.
func TestNewBlockFromBytes(t *testing.T) {
// Serialize the test block.
var block100000Buf bytes.Buffer
err := Block100000.Serialize(&block100000Buf)
if err != nil {
t.Errorf("Serialize: %v", err)
}
block100000Bytes := block100000Buf.Bytes()
// Create a new block from the serialized bytes.
b, err := btcutil.NewBlockFromBytes(block100000Bytes)
if err != nil {
t.Errorf("NewBlockFromBytes: %v", err)
return
}
// Ensure we get the same data back out.
serializedBytes, err := b.Bytes()
if err != nil {
t.Errorf("Bytes: %v", err)
return
}
if !bytes.Equal(serializedBytes, block100000Bytes) {
t.Errorf("Bytes: wrong bytes - got %v, want %v",
spew.Sdump(serializedBytes),
spew.Sdump(block100000Bytes))
}
// Ensure the generated MsgBlock is correct.
if msgBlock := b.MsgBlock(); !reflect.DeepEqual(msgBlock, &Block100000) {
t.Errorf("MsgBlock: mismatched MsgBlock - got %v, want %v",
spew.Sdump(msgBlock), spew.Sdump(&Block100000))
}
}
// TestNewBlockFromBlockAndBytes tests creation of a Block from a MsgBlock and
// raw bytes.
func TestNewBlockFromBlockAndBytes(t *testing.T) {
// Serialize the test block.
var block100000Buf bytes.Buffer
err := Block100000.Serialize(&block100000Buf)
if err != nil {
t.Errorf("Serialize: %v", err)
}
block100000Bytes := block100000Buf.Bytes()
// Create a new block from the serialized bytes.
b := btcutil.NewBlockFromBlockAndBytes(&Block100000, block100000Bytes)
// Ensure we get the same data back out.
serializedBytes, err := b.Bytes()
if err != nil {
t.Errorf("Bytes: %v", err)
return
}
if !bytes.Equal(serializedBytes, block100000Bytes) {
t.Errorf("Bytes: wrong bytes - got %v, want %v",
spew.Sdump(serializedBytes),
spew.Sdump(block100000Bytes))
}
if msgBlock := b.MsgBlock(); !reflect.DeepEqual(msgBlock, &Block100000) {
t.Errorf("MsgBlock: mismatched MsgBlock - got %v, want %v",
spew.Sdump(msgBlock), spew.Sdump(&Block100000))
}
}
// TestBlockErrors tests the error paths for the Block API.
func TestBlockErrors(t *testing.T) {
// Ensure out of range errors are as expected.
wantErr := "transaction index -1 is out of range - max 3"
testErr := btcutil.OutOfRangeError(wantErr)
if testErr.Error() != wantErr {
t.Errorf("OutOfRangeError: wrong error - got %v, want %v",
testErr.Error(), wantErr)
}
// Serialize the test block.
var block100000Buf bytes.Buffer
err := Block100000.Serialize(&block100000Buf)
if err != nil {
t.Errorf("Serialize: %v", err)
}
block100000Bytes := block100000Buf.Bytes()
// Create a new block from the serialized bytes.
b, err := btcutil.NewBlockFromBytes(block100000Bytes)
if err != nil {
t.Errorf("NewBlockFromBytes: %v", err)
return
}
// Truncate the block byte buffer to force errors.
shortBytes := block100000Bytes[:80]
_, err = btcutil.NewBlockFromBytes(shortBytes)
if err != io.EOF {
t.Errorf("NewBlockFromBytes: did not get expected error - "+
"got %v, want %v", err, io.EOF)
}
// Ensure TxSha returns expected error on invalid indices.
_, err = b.TxSha(-1)
if _, ok := err.(btcutil.OutOfRangeError); !ok {
t.Errorf("TxSha: wrong error - got: %v <%T>, "+
"want: <%T>", err, err, btcutil.OutOfRangeError(""))
}
_, err = b.TxSha(len(Block100000.Transactions) + 1)
if _, ok := err.(btcutil.OutOfRangeError); !ok {
t.Errorf("TxSha: wrong error - got: %v <%T>, "+
"want: <%T>", err, err, btcutil.OutOfRangeError(""))
}
// Ensure Tx returns expected error on invalid indices.
_, err = b.Tx(-1)
if _, ok := err.(btcutil.OutOfRangeError); !ok {
t.Errorf("Tx: wrong error - got: %v <%T>, "+
"want: <%T>", err, err, btcutil.OutOfRangeError(""))
}
_, err = b.Tx(len(Block100000.Transactions) + 1)
if _, ok := err.(btcutil.OutOfRangeError); !ok {
t.Errorf("Tx: wrong error - got: %v <%T>, "+
"want: <%T>", err, err, btcutil.OutOfRangeError(""))
}
// Ensure TxLoc returns expected error with short byte buffer.
// This makes use of the test package only function, SetBlockBytes, to
// inject a short byte buffer.
b.SetBlockBytes(shortBytes)
_, err = b.TxLoc()
if err != io.EOF {
t.Errorf("TxLoc: did not get expected error - "+
"got %v, want %v", err, io.EOF)
}
}
// Block100000 defines block 100,000 of the block chain. It is used to
// test Block operations.
var Block100000 = wire.MsgBlock{
Header: wire.BlockHeader{
Version: 1,
PrevBlock: wire.ShaHash([32]byte{ // Make go vet happy.
0x50, 0x12, 0x01, 0x19, 0x17, 0x2a, 0x61, 0x04,
0x21, 0xa6, 0xc3, 0x01, 0x1d, 0xd3, 0x30, 0xd9,
0xdf, 0x07, 0xb6, 0x36, 0x16, 0xc2, 0xcc, 0x1f,
0x1c, 0xd0, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
}), // 000000000002d01c1fccc21636b607dfd930d31d01c3a62104612a1719011250
MerkleRoot: wire.ShaHash([32]byte{ // Make go vet happy.
0x66, 0x57, 0xa9, 0x25, 0x2a, 0xac, 0xd5, 0xc0,
0xb2, 0x94, 0x09, 0x96, 0xec, 0xff, 0x95, 0x22,
0x28, 0xc3, 0x06, 0x7c, 0xc3, 0x8d, 0x48, 0x85,
0xef, 0xb5, 0xa4, 0xac, 0x42, 0x47, 0xe9, 0xf3,
}), // f3e94742aca4b5ef85488dc37c06c3282295ffec960994b2c0d5ac2a25a95766
Timestamp: time.Unix(1293623863, 0), // 2010-12-29 11:57:43 +0000 UTC
Bits: 0x1b04864c, // 453281356
Nonce: 0x10572b0f, // 274148111
},
Transactions: []*wire.MsgTx{
{
Version: 1,
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{
Hash: wire.ShaHash{},
Index: 0xffffffff,
},
SignatureScript: []byte{
0x04, 0x4c, 0x86, 0x04, 0x1b, 0x02, 0x06, 0x02,
},
Sequence: 0xffffffff,
},
},
TxOut: []*wire.TxOut{
{
Value: 0x12a05f200, // 5000000000
PkScript: []byte{
0x41, // OP_DATA_65
0x04, 0x1b, 0x0e, 0x8c, 0x25, 0x67, 0xc1, 0x25,
0x36, 0xaa, 0x13, 0x35, 0x7b, 0x79, 0xa0, 0x73,
0xdc, 0x44, 0x44, 0xac, 0xb8, 0x3c, 0x4e, 0xc7,
0xa0, 0xe2, 0xf9, 0x9d, 0xd7, 0x45, 0x75, 0x16,
0xc5, 0x81, 0x72, 0x42, 0xda, 0x79, 0x69, 0x24,
0xca, 0x4e, 0x99, 0x94, 0x7d, 0x08, 0x7f, 0xed,
0xf9, 0xce, 0x46, 0x7c, 0xb9, 0xf7, 0xc6, 0x28,
0x70, 0x78, 0xf8, 0x01, 0xdf, 0x27, 0x6f, 0xdf,
0x84, // 65-byte signature
0xac, // OP_CHECKSIG
},
},
},
LockTime: 0,
},
{
Version: 1,
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{
Hash: wire.ShaHash([32]byte{ // Make go vet happy.
0x03, 0x2e, 0x38, 0xe9, 0xc0, 0xa8, 0x4c, 0x60,
0x46, 0xd6, 0x87, 0xd1, 0x05, 0x56, 0xdc, 0xac,
0xc4, 0x1d, 0x27, 0x5e, 0xc5, 0x5f, 0xc0, 0x07,
0x79, 0xac, 0x88, 0xfd, 0xf3, 0x57, 0xa1, 0x87,
}), // 87a157f3fd88ac7907c05fc55e271dc4acdc5605d187d646604ca8c0e9382e03
Index: 0,
},
SignatureScript: []byte{
0x49, // OP_DATA_73
0x30, 0x46, 0x02, 0x21, 0x00, 0xc3, 0x52, 0xd3,
0xdd, 0x99, 0x3a, 0x98, 0x1b, 0xeb, 0xa4, 0xa6,
0x3a, 0xd1, 0x5c, 0x20, 0x92, 0x75, 0xca, 0x94,
0x70, 0xab, 0xfc, 0xd5, 0x7d, 0xa9, 0x3b, 0x58,
0xe4, 0xeb, 0x5d, 0xce, 0x82, 0x02, 0x21, 0x00,
0x84, 0x07, 0x92, 0xbc, 0x1f, 0x45, 0x60, 0x62,
0x81, 0x9f, 0x15, 0xd3, 0x3e, 0xe7, 0x05, 0x5c,
0xf7, 0xb5, 0xee, 0x1a, 0xf1, 0xeb, 0xcc, 0x60,
0x28, 0xd9, 0xcd, 0xb1, 0xc3, 0xaf, 0x77, 0x48,
0x01, // 73-byte signature
0x41, // OP_DATA_65
0x04, 0xf4, 0x6d, 0xb5, 0xe9, 0xd6, 0x1a, 0x9d,
0xc2, 0x7b, 0x8d, 0x64, 0xad, 0x23, 0xe7, 0x38,
0x3a, 0x4e, 0x6c, 0xa1, 0x64, 0x59, 0x3c, 0x25,
0x27, 0xc0, 0x38, 0xc0, 0x85, 0x7e, 0xb6, 0x7e,
0xe8, 0xe8, 0x25, 0xdc, 0xa6, 0x50, 0x46, 0xb8,
0x2c, 0x93, 0x31, 0x58, 0x6c, 0x82, 0xe0, 0xfd,
0x1f, 0x63, 0x3f, 0x25, 0xf8, 0x7c, 0x16, 0x1b,
0xc6, 0xf8, 0xa6, 0x30, 0x12, 0x1d, 0xf2, 0xb3,
0xd3, // 65-byte pubkey
},
Sequence: 0xffffffff,
},
},
TxOut: []*wire.TxOut{
{
Value: 0x2123e300, // 556000000
PkScript: []byte{
0x76, // OP_DUP
0xa9, // OP_HASH160
0x14, // OP_DATA_20
0xc3, 0x98, 0xef, 0xa9, 0xc3, 0x92, 0xba, 0x60,
0x13, 0xc5, 0xe0, 0x4e, 0xe7, 0x29, 0x75, 0x5e,
0xf7, 0xf5, 0x8b, 0x32,
0x88, // OP_EQUALVERIFY
0xac, // OP_CHECKSIG
},
},
{
Value: 0x108e20f00, // 4444000000
PkScript: []byte{
0x76, // OP_DUP
0xa9, // OP_HASH160
0x14, // OP_DATA_20
0x94, 0x8c, 0x76, 0x5a, 0x69, 0x14, 0xd4, 0x3f,
0x2a, 0x7a, 0xc1, 0x77, 0xda, 0x2c, 0x2f, 0x6b,
0x52, 0xde, 0x3d, 0x7c,
0x88, // OP_EQUALVERIFY
0xac, // OP_CHECKSIG
},
},
},
LockTime: 0,
},
{
Version: 1,
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{
Hash: wire.ShaHash([32]byte{ // Make go vet happy.
0xc3, 0x3e, 0xbf, 0xf2, 0xa7, 0x09, 0xf1, 0x3d,
0x9f, 0x9a, 0x75, 0x69, 0xab, 0x16, 0xa3, 0x27,
0x86, 0xaf, 0x7d, 0x7e, 0x2d, 0xe0, 0x92, 0x65,
0xe4, 0x1c, 0x61, 0xd0, 0x78, 0x29, 0x4e, 0xcf,
}), // cf4e2978d0611ce46592e02d7e7daf8627a316ab69759a9f3df109a7f2bf3ec3
Index: 1,
},
SignatureScript: []byte{
0x47, // OP_DATA_71
0x30, 0x44, 0x02, 0x20, 0x03, 0x2d, 0x30, 0xdf,
0x5e, 0xe6, 0xf5, 0x7f, 0xa4, 0x6c, 0xdd, 0xb5,
0xeb, 0x8d, 0x0d, 0x9f, 0xe8, 0xde, 0x6b, 0x34,
0x2d, 0x27, 0x94, 0x2a, 0xe9, 0x0a, 0x32, 0x31,
0xe0, 0xba, 0x33, 0x3e, 0x02, 0x20, 0x3d, 0xee,
0xe8, 0x06, 0x0f, 0xdc, 0x70, 0x23, 0x0a, 0x7f,
0x5b, 0x4a, 0xd7, 0xd7, 0xbc, 0x3e, 0x62, 0x8c,
0xbe, 0x21, 0x9a, 0x88, 0x6b, 0x84, 0x26, 0x9e,
0xae, 0xb8, 0x1e, 0x26, 0xb4, 0xfe, 0x01,
0x41, // OP_DATA_65
0x04, 0xae, 0x31, 0xc3, 0x1b, 0xf9, 0x12, 0x78,
0xd9, 0x9b, 0x83, 0x77, 0xa3, 0x5b, 0xbc, 0xe5,
0xb2, 0x7d, 0x9f, 0xff, 0x15, 0x45, 0x68, 0x39,
0xe9, 0x19, 0x45, 0x3f, 0xc7, 0xb3, 0xf7, 0x21,
0xf0, 0xba, 0x40, 0x3f, 0xf9, 0x6c, 0x9d, 0xee,
0xb6, 0x80, 0xe5, 0xfd, 0x34, 0x1c, 0x0f, 0xc3,
0xa7, 0xb9, 0x0d, 0xa4, 0x63, 0x1e, 0xe3, 0x95,
0x60, 0x63, 0x9d, 0xb4, 0x62, 0xe9, 0xcb, 0x85,
0x0f, // 65-byte pubkey
},
Sequence: 0xffffffff,
},
},
TxOut: []*wire.TxOut{
{
Value: 0xf4240, // 1000000
PkScript: []byte{
0x76, // OP_DUP
0xa9, // OP_HASH160
0x14, // OP_DATA_20
0xb0, 0xdc, 0xbf, 0x97, 0xea, 0xbf, 0x44, 0x04,
0xe3, 0x1d, 0x95, 0x24, 0x77, 0xce, 0x82, 0x2d,
0xad, 0xbe, 0x7e, 0x10,
0x88, // OP_EQUALVERIFY
0xac, // OP_CHECKSIG
},
},
{
Value: 0x11d260c0, // 299000000
PkScript: []byte{
0x76, // OP_DUP
0xa9, // OP_HASH160
0x14, // OP_DATA_20
0x6b, 0x12, 0x81, 0xee, 0xc2, 0x5a, 0xb4, 0xe1,
0xe0, 0x79, 0x3f, 0xf4, 0xe0, 0x8a, 0xb1, 0xab,
0xb3, 0x40, 0x9c, 0xd9,
0x88, // OP_EQUALVERIFY
0xac, // OP_CHECKSIG
},
},
},
LockTime: 0,
},
{
Version: 1,
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{
Hash: wire.ShaHash([32]byte{ // Make go vet happy.
0x0b, 0x60, 0x72, 0xb3, 0x86, 0xd4, 0xa7, 0x73,
0x23, 0x52, 0x37, 0xf6, 0x4c, 0x11, 0x26, 0xac,
0x3b, 0x24, 0x0c, 0x84, 0xb9, 0x17, 0xa3, 0x90,
0x9b, 0xa1, 0xc4, 0x3d, 0xed, 0x5f, 0x51, 0xf4,
}), // f4515fed3dc4a19b90a317b9840c243bac26114cf637522373a7d486b372600b
Index: 0,
},
SignatureScript: []byte{
0x49, // OP_DATA_73
0x30, 0x46, 0x02, 0x21, 0x00, 0xbb, 0x1a, 0xd2,
0x6d, 0xf9, 0x30, 0xa5, 0x1c, 0xce, 0x11, 0x0c,
0xf4, 0x4f, 0x7a, 0x48, 0xc3, 0xc5, 0x61, 0xfd,
0x97, 0x75, 0x00, 0xb1, 0xae, 0x5d, 0x6b, 0x6f,
0xd1, 0x3d, 0x0b, 0x3f, 0x4a, 0x02, 0x21, 0x00,
0xc5, 0xb4, 0x29, 0x51, 0xac, 0xed, 0xff, 0x14,
0xab, 0xba, 0x27, 0x36, 0xfd, 0x57, 0x4b, 0xdb,
0x46, 0x5f, 0x3e, 0x6f, 0x8d, 0xa1, 0x2e, 0x2c,
0x53, 0x03, 0x95, 0x4a, 0xca, 0x7f, 0x78, 0xf3,
0x01, // 73-byte signature
0x41, // OP_DATA_65
0x04, 0xa7, 0x13, 0x5b, 0xfe, 0x82, 0x4c, 0x97,
0xec, 0xc0, 0x1e, 0xc7, 0xd7, 0xe3, 0x36, 0x18,
0x5c, 0x81, 0xe2, 0xaa, 0x2c, 0x41, 0xab, 0x17,
0x54, 0x07, 0xc0, 0x94, 0x84, 0xce, 0x96, 0x94,
0xb4, 0x49, 0x53, 0xfc, 0xb7, 0x51, 0x20, 0x65,
0x64, 0xa9, 0xc2, 0x4d, 0xd0, 0x94, 0xd4, 0x2f,
0xdb, 0xfd, 0xd5, 0xaa, 0xd3, 0xe0, 0x63, 0xce,
0x6a, 0xf4, 0xcf, 0xaa, 0xea, 0x4e, 0xa1, 0x4f,
0xbb, // 65-byte pubkey
},
Sequence: 0xffffffff,
},
},
TxOut: []*wire.TxOut{
{
Value: 0xf4240, // 1000000
PkScript: []byte{
0x76, // OP_DUP
0xa9, // OP_HASH160
0x14, // OP_DATA_20
0x39, 0xaa, 0x3d, 0x56, 0x9e, 0x06, 0xa1, 0xd7,
0x92, 0x6d, 0xc4, 0xbe, 0x11, 0x93, 0xc9, 0x9b,
0xf2, 0xeb, 0x9e, 0xe0,
0x88, // OP_EQUALVERIFY
0xac, // OP_CHECKSIG
},
},
},
LockTime: 0,
},
},
}