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comparison tests/test_block.py @ 11:4987a219a704

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add tests
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Tue, 26 Oct 2021 08:57:11 +0200
parents
children 6a0a8cce058e
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10:6e9f420c117e 11:4987a219a704
1 from unittest import TestCase
2 from testfixtures import TempDirectory
3 from puppy.block import deserialize_block
4
5
6 class TestBlock(TestCase):
7 genesis_block_hex = """
8 f9beb4d91d0100000100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd7a7b12b27ac72c3e67
9 768f617fc81bc3888a51323a9fb8aa4b1e5e4a29ab5f49ffff001d1dac2b7c0101000000010000000000000000000000000000000000000000
10 000000000000000000000000ffffffff4d04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72
11 206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73ffffffff0100f2052a01000000434104678afdb0
12 fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6b
13 f11d5fac00000000
14 """
15
16 expected_genesis_block = {
17 'magic_number': 'f9beb4d9',
18 'size': '0000011d',
19 'id': '000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f',
20 'transaction_count': '01',
21 'header': {
22 'version': '00000001',
23 'previous_block_id': '0000000000000000000000000000000000000000000000000000000000000000',
24 'merkle_root': '4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b',
25 'time': '495fab29',
26 'bits': '1d00ffff',
27 'nonce': '7c2bac1d'
28 },
29 'transactions': [{
30 'version': '00000001',
31 'input_count': '01',
32 'output_count': '01',
33 'lock_time': '00000000',
34 'id': '4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b',
35 'inputs': [{
36 'id': '0000000000000000000000000000000000000000000000000000000000000000',
37 'vout': 'ffffffff',
38 'script_sig_size': '4d',
39 'script_sig': '04ffff001d0104455468652054696d65732030332f4a616e'
40 '2f32303039204368616e63656c6c6f72206f6e206272696e'
41 '6b206f66207365636f6e64206261696c6f757420666f722062616e6b73',
42 'sequence': 'ffffffff'
43 }],
44 'outputs': [{
45 'value': '000000012a05f200',
46 'script_pub_key_size': '43',
47 'script_pub_key': '4104678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f'
48 '6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5fac'
49 }]
50 }]
51 }
52
53 def test_deserialize_block(self):
54 with TempDirectory() as d:
55 test_block_binary = bytes.fromhex(self.genesis_block_hex)
56 d.write('test_block.dat', test_block_binary)
57
58 with open('{}/test_block.dat'.format(d.path), 'rb') as f:
59 block = deserialize_block(f)
60 self.assertEqual(
61 block, self.expected_genesis_block, 'Genesis block is not equal to expected genesis block'
62 )
63