forked from btcsuite/btcwire
/
msgblock_test.go
399 lines (366 loc) · 12.1 KB
/
msgblock_test.go
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
// Copyright (c) 2013 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package btcwire_test
import (
"bytes"
"github.com/conformal/btcwire"
"github.com/davecgh/go-spew/spew"
"io"
"reflect"
"testing"
"time"
)
// TestBlock tests the MsgBlock API.
func TestBlock(t *testing.T) {
pver := btcwire.ProtocolVersion
// Block 1 header.
prevHash := &blockOne.Header.PrevBlock
merkleHash := &blockOne.Header.MerkleRoot
bits := blockOne.Header.Bits
nonce := blockOne.Header.Nonce
bh := btcwire.NewBlockHeader(prevHash, merkleHash, bits, nonce)
// Ensure the command is expected value.
wantCmd := "block"
msg := btcwire.NewMsgBlock(bh)
if cmd := msg.Command(); cmd != wantCmd {
t.Errorf("NewMsgBlock: wrong command - got %v want %v",
cmd, wantCmd)
}
// Ensure max payload is expected value for latest protocol version.
// Num addresses (varInt) + max allowed addresses.
wantPayload := uint32(1024 * 1024 * 32)
maxPayload := msg.MaxPayloadLength(pver)
if maxPayload != wantPayload {
t.Errorf("MaxPayloadLength: wrong max payload length for "+
"protocol version %d - got %v, want %v", pver,
maxPayload, wantPayload)
}
// Ensure we get the same block header data back out.
if !reflect.DeepEqual(&msg.Header, bh) {
t.Errorf("NewMsgBlock: wrong block header - got %v, want %v",
spew.Sdump(&msg.Header), spew.Sdump(bh))
}
// Ensure transactions are added properly.
tx := blockOne.Transactions[0].Copy()
msg.AddTransaction(tx)
if !reflect.DeepEqual(msg.Transactions, blockOne.Transactions) {
t.Errorf("AddTransaction: wrong transactions - got %v, want %v",
spew.Sdump(msg.Transactions),
spew.Sdump(blockOne.Transactions))
}
// Ensure transactions are properly cleared.
msg.ClearTransactions()
if len(msg.Transactions) != 0 {
t.Errorf("ClearTransactions: wrong transactions - got %v, want %v",
len(msg.Transactions), 0)
}
return
}
// TestBlockTxShas tests the ability to generate a slice of all transaction
// hashes from a block accurately.
func TestBlockTxShas(t *testing.T) {
// Use protocol version 60002 specifically here instead of the latest
// because the test data is using bytes encoded with that protocol
// version.
pver := uint32(60002)
// Block 1, transaction 1 hash.
hashStr := "0e3e2357e806b6cdb1f70b54c3a3a17b6714ee1f0e68bebb44a74b1efd512098"
wantHash, err := btcwire.NewShaHashFromStr(hashStr)
if err != nil {
t.Errorf("NewShaHashFromStr: %v", err)
return
}
wantShas := []btcwire.ShaHash{*wantHash}
shas, err := blockOne.TxShas(pver)
if err != nil {
t.Errorf("TxShas: %v", err)
}
if !reflect.DeepEqual(shas, wantShas) {
t.Errorf("TxShas: wrong transaction hashes - got %v, want %v",
spew.Sdump(shas), spew.Sdump(wantShas))
}
}
// TestBlockSha tests the ability to generate the hash of a block accurately.
func TestBlockSha(t *testing.T) {
// Use protocol version 60002 specifically here instead of the latest
// because the test data is using bytes encoded with that protocol
// version.
pver := uint32(60002)
// Block 1 hash.
hashStr := "839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048"
wantHash, err := btcwire.NewShaHashFromStr(hashStr)
if err != nil {
t.Errorf("NewShaHashFromStr: %v", err)
}
// Ensure the hash produced is expected.
blockHash, err := blockOne.BlockSha(pver)
if err != nil {
t.Errorf("BlockSha: %v", err)
}
if !blockHash.IsEqual(wantHash) {
t.Errorf("BlockSha: wrong hash - got %v, want %v",
spew.Sprint(blockHash), spew.Sprint(wantHash))
}
}
// TestBlockWire tests the MsgBlock wire encode and decode for various numbers
// of transaction inputs and outputs and protocol versions.
func TestBlockWire(t *testing.T) {
tests := []struct {
in *btcwire.MsgBlock // Message to encode
out *btcwire.MsgBlock // Expected decoded message
buf []byte // Wire encoding
txLocs []btcwire.TxLoc // Expected transaction locations
pver uint32 // Protocol version for wire encoding
}{
// Latest protocol version.
{
&blockOne,
&blockOne,
blockOneBytes,
blockOneTxLocs,
btcwire.ProtocolVersion,
},
// Protocol version BIP0035Version.
{
&blockOne,
&blockOne,
blockOneBytes,
blockOneTxLocs,
btcwire.BIP0035Version,
},
// Protocol version BIP0031Version.
{
&blockOne,
&blockOne,
blockOneBytes,
blockOneTxLocs,
btcwire.BIP0031Version,
},
// Protocol version NetAddressTimeVersion.
{
&blockOne,
&blockOne,
blockOneBytes,
blockOneTxLocs,
btcwire.NetAddressTimeVersion,
},
// Protocol version MultipleAddressVersion.
{
&blockOne,
&blockOne,
blockOneBytes,
blockOneTxLocs,
btcwire.MultipleAddressVersion,
},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode the message to wire format.
var buf bytes.Buffer
err := test.in.BtcEncode(&buf, test.pver)
if err != nil {
t.Errorf("BtcEncode #%d error %v", i, err)
continue
}
if !bytes.Equal(buf.Bytes(), test.buf) {
t.Errorf("BtcEncode #%d\n got: %s want: %s", i,
spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
continue
}
// Decode the message from wire format.
var msg btcwire.MsgBlock
rbuf := bytes.NewBuffer(test.buf)
err = msg.BtcDecode(rbuf, test.pver)
if err != nil {
t.Errorf("BtcDecode #%d error %v", i, err)
continue
}
if !reflect.DeepEqual(&msg, test.out) {
t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
spew.Sdump(&msg), spew.Sdump(test.out))
continue
}
var txLocMsg btcwire.MsgBlock
rbuf = bytes.NewBuffer(test.buf)
txLocs, err := txLocMsg.BtcDecodeTxLoc(rbuf, test.pver)
if err != nil {
t.Errorf("BtcDecodeTxLoc #%d error %v", i, err)
continue
}
if !reflect.DeepEqual(&txLocMsg, test.out) {
t.Errorf("BtcDecodeTxLoc #%d\n got: %s want: %s", i,
spew.Sdump(&txLocMsg), spew.Sdump(test.out))
continue
}
if !reflect.DeepEqual(txLocs, test.txLocs) {
t.Errorf("BtcDecodeTxLoc #%d\n got: %s want: %s", i,
spew.Sdump(txLocs), spew.Sdump(test.txLocs))
continue
}
}
}
// TestBlockWireErrors performs negative tests against wire encode and decode
// of MsgBlock to confirm error paths work correctly.
func TestBlockWireErrors(t *testing.T) {
// Use protocol version 60002 specifically here instead of the latest
// because the test data is using bytes encoded with that protocol
// version.
pver := uint32(60002)
tests := []struct {
in *btcwire.MsgBlock // Value to encode
buf []byte // Wire encoding
pver uint32 // Protocol version for wire encoding
max int // Max size of fixed buffer to induce errors
writeErr error // Expected write error
readErr error // Expected read error
}{
// Force error in version.
{&blockOne, blockOneBytes, pver, 0, io.ErrShortWrite, io.EOF},
// Force error in prev block hash.
{&blockOne, blockOneBytes, pver, 4, io.ErrShortWrite, io.EOF},
// Force error in merkle root.
{&blockOne, blockOneBytes, pver, 36, io.ErrShortWrite, io.EOF},
// Force error in timestamp.
{&blockOne, blockOneBytes, pver, 68, io.ErrShortWrite, io.EOF},
// Force error in difficulty bits.
{&blockOne, blockOneBytes, pver, 72, io.ErrShortWrite, io.EOF},
// Force error in header nonce.
{&blockOne, blockOneBytes, pver, 76, io.ErrShortWrite, io.EOF},
// Force error in transaction count.
{&blockOne, blockOneBytes, pver, 80, io.ErrShortWrite, io.EOF},
// Force error in transactions.
{&blockOne, blockOneBytes, pver, 81, io.ErrShortWrite, io.EOF},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode to wire format.
w := newFixedWriter(test.max)
err := test.in.BtcEncode(w, test.pver)
if err != test.writeErr {
t.Errorf("BtcEncode #%d wrong error got: %v, want: %v",
i, err, test.writeErr)
continue
}
// Decode from wire format.
var msg btcwire.MsgBlock
r := newFixedReader(test.max, test.buf)
err = msg.BtcDecode(r, test.pver)
if err != test.readErr {
t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
i, err, test.readErr)
continue
}
var txLocMsg btcwire.MsgBlock
rbuf := bytes.NewBuffer(test.buf[0:test.max])
_, err = txLocMsg.BtcDecodeTxLoc(rbuf, test.pver)
if err != test.readErr {
t.Errorf("BtcDecodeTxLoc #%d wrong error got: %v, want: %v",
i, err, test.readErr)
continue
}
}
}
var blockOne btcwire.MsgBlock = btcwire.MsgBlock{
Header: btcwire.BlockHeader{
Version: 1,
PrevBlock: btcwire.ShaHash{
0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
},
MerkleRoot: btcwire.ShaHash{
0x98, 0x20, 0x51, 0xfd, 0x1e, 0x4b, 0xa7, 0x44,
0xbb, 0xbe, 0x68, 0x0e, 0x1f, 0xee, 0x14, 0x67,
0x7b, 0xa1, 0xa3, 0xc3, 0x54, 0x0b, 0xf7, 0xb1,
0xcd, 0xb6, 0x06, 0xe8, 0x57, 0x23, 0x3e, 0x0e,
},
Timestamp: time.Unix(0x4966bc61, 0), // 2009-01-08 20:54:25 -0600 CST
Bits: 0x1d00ffff, // 486604799
Nonce: 0x9962e301, // 2573394689
TxnCount: 1,
},
Transactions: []*btcwire.MsgTx{
&btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
&btcwire.TxIn{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash{},
Index: 0xffffffff,
},
SignatureScript: []byte{
0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04,
},
Sequence: 0xffffffff,
},
},
TxOut: []*btcwire.TxOut{
&btcwire.TxOut{
Value: 0x12a05f200,
PkScript: []byte{
0x41, // OP_DATA_65
0x04, 0x96, 0xb5, 0x38, 0xe8, 0x53, 0x51, 0x9c,
0x72, 0x6a, 0x2c, 0x91, 0xe6, 0x1e, 0xc1, 0x16,
0x00, 0xae, 0x13, 0x90, 0x81, 0x3a, 0x62, 0x7c,
0x66, 0xfb, 0x8b, 0xe7, 0x94, 0x7b, 0xe6, 0x3c,
0x52, 0xda, 0x75, 0x89, 0x37, 0x95, 0x15, 0xd4,
0xe0, 0xa6, 0x04, 0xf8, 0x14, 0x17, 0x81, 0xe6,
0x22, 0x94, 0x72, 0x11, 0x66, 0xbf, 0x62, 0x1e,
0x73, 0xa8, 0x2c, 0xbf, 0x23, 0x42, 0xc8, 0x58,
0xee, // 65-byte signature
0xac, // OP_CHECKSIG
},
},
},
LockTime: 0,
},
},
}
// Block one bytes encoded with protocol version 60002.
var blockOneBytes = []byte{
0x01, 0x00, 0x00, 0x00, // Version 1
0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // PrevBlock
0x98, 0x20, 0x51, 0xfd, 0x1e, 0x4b, 0xa7, 0x44,
0xbb, 0xbe, 0x68, 0x0e, 0x1f, 0xee, 0x14, 0x67,
0x7b, 0xa1, 0xa3, 0xc3, 0x54, 0x0b, 0xf7, 0xb1,
0xcd, 0xb6, 0x06, 0xe8, 0x57, 0x23, 0x3e, 0x0e, // MerkleRoot
0x61, 0xbc, 0x66, 0x49, // Timestamp
0xff, 0xff, 0x00, 0x1d, // Bits
0x01, 0xe3, 0x62, 0x99, // Nonce
0x01, // TxnCount
0x01, 0x00, 0x00, 0x00, // Version
0x01, // Varint for number of input transactions
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // // Previous output hash
0xff, 0xff, 0xff, 0xff, // Prevous output index
0x07, // Varint for length of signature script
0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, // Signature script
0xff, 0xff, 0xff, 0xff, // Sequence
0x01, // Varint for number of output transactions
0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, // Transaction amount
0x43, // Varint for length of pk script
0x41, // OP_DATA_65
0x04, 0x96, 0xb5, 0x38, 0xe8, 0x53, 0x51, 0x9c,
0x72, 0x6a, 0x2c, 0x91, 0xe6, 0x1e, 0xc1, 0x16,
0x00, 0xae, 0x13, 0x90, 0x81, 0x3a, 0x62, 0x7c,
0x66, 0xfb, 0x8b, 0xe7, 0x94, 0x7b, 0xe6, 0x3c,
0x52, 0xda, 0x75, 0x89, 0x37, 0x95, 0x15, 0xd4,
0xe0, 0xa6, 0x04, 0xf8, 0x14, 0x17, 0x81, 0xe6,
0x22, 0x94, 0x72, 0x11, 0x66, 0xbf, 0x62, 0x1e,
0x73, 0xa8, 0x2c, 0xbf, 0x23, 0x42, 0xc8, 0x58,
0xee, // 65-byte signature
0xac, // OP_CHECKSIG
0x00, 0x00, 0x00, 0x00, // Lock time
}
// Transaction location information for block one trasnactions as encoded with
// protocol version 60002.
var blockOneTxLocs = []btcwire.TxLoc{
btcwire.TxLoc{TxStart: 81, TxLen: 134},
}