├── .gitignore
├── config.py
├── create_signed_message.py
├── requirements.txt
├── signed-message.json
├── signing-key
├── utils.py
└── verify_signed_message.py


/.gitignore:
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 1 | .DS_Store
 2 | .idea
 3 | .vscode
 4 | dump.rdb
 5 | 
 6 | # Log files
 7 | !logs/.gitkeep
 8 | *.log
 9 | logs/*
10 | 
11 | # Django
12 | *.pot
13 | *.pyc
14 | __pycache__/
15 | __pycache__/*
16 | db.sqlite3
17 | db.sqlite3-journal
18 | local_settings.py
19 | media
20 | 
21 | # Byte-compiled / optimized / DLL files
22 | *$py.class
23 | *.py[cod]
24 | 
25 | # C extensions
26 | *.so
27 | 
28 | # Distribution / packaging
29 | *.egg
30 | *.egg-info/
31 | .Python
32 | .eggs/
33 | .installed.cfg
34 | MANIFEST
35 | develop-eggs/
36 | downloads/
37 | eggs/
38 | lib/
39 | lib64/
40 | parts/
41 | pip-wheel-metadata/
42 | sdist/
43 | share/python-wheels/
44 | var/
45 | wheels/
46 | dist/
47 | 
48 | # Unit test / coverage reports
49 | *.cover
50 | *.py,cover
51 | .cache
52 | .coverage
53 | .coverage.*
54 | .hypothesis/
55 | .nox/
56 | .pytest_cache/
57 | .tox/
58 | coverage.xml
59 | htmlcov/
60 | nosetests.xml
61 | 
62 | # pytest
63 | .pytest_cache
64 | 
65 | # pyenv
66 | .python-version
67 | 
68 | # Celery
69 | celerybeat-schedule
70 | celerybeat.pid
71 | 
72 | # Environments
73 | .env
74 | .venv
75 | ENV/
76 | env.bak/
77 | env/
78 | venv
79 | venv.bak/
80 | venv/


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/config.py:
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1 | import os
2 | 
3 | BASE_DIR = os.path.dirname(os.path.abspath(__file__))
4 | SIGNING_KEY_FILE = os.path.join(BASE_DIR, 'signing-key')
5 | SIGNED_MESSAGE_FILE = os.path.join(BASE_DIR, 'signed-message.json')
6 | 


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/create_signed_message.py:
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 1 | from thenewboston.accounts.key_files import read_signing_key_file
 2 | 
 3 | from config import SIGNED_MESSAGE_FILE, SIGNING_KEY_FILE
 4 | from utils import generate_signed_message, write_json
 5 | 
 6 | SIGNING_KEY = read_signing_key_file(SIGNING_KEY_FILE)
 7 | MESSAGE = 'My name is Bucky Roberts'
 8 | 
 9 | account_number = SIGNING_KEY.verify_key
10 | signed_message = generate_signed_message(
11 |     account_number=account_number,
12 |     message=MESSAGE,
13 |     signing_key=SIGNING_KEY
14 | )
15 | write_json(file=SIGNED_MESSAGE_FILE, data=signed_message)
16 | 


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/requirements.txt:
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1 | thenewboston==0.0.30


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/signed-message.json:
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1 | {
2 |   "account_number": "53b0cb8520ebd36fde9a4d7d86c802aa71e51822eb89e70e3d4ee4fa375cda29",
3 |   "message": "My name is Bucky Roberts",
4 |   "signature": "79202cec90cec1c76b84b20c7b86fead0bd3511cc67d9a9a00f4bdfd5ddf2f620f9b9b10b6c0d05292c78e380544599f1c9dd139892f0acaf0f25bfd87989f06"
5 | }


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/signing-key:
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1 | 4632b9f9bc903f571c1bd8dbea33eb8b3f178973ab162a2f243f50b7a66fef38


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/utils.py:
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 1 | import json
 2 | 
 3 | from thenewboston.verify_keys.verify_key import encode_verify_key
 4 | 
 5 | 
 6 | def generate_signed_message(*, account_number, message, signing_key):
 7 |     block = {
 8 |         'account_number': encode_verify_key(verify_key=account_number),
 9 |         'message': message,
10 |         'signature': signing_key.sign(message.encode('utf-8')).signature.hex()
11 |     }
12 |     return block
13 | 
14 | 
15 | def read_json(file):
16 |     try:
17 |         with open(file, 'r') as f:
18 |             data = json.load(f)
19 |     except FileNotFoundError:
20 |         data = None
21 |     return data
22 | 
23 | 
24 | def write_json(file, data):
25 |     with open(file, 'w') as f:
26 |         json.dump(data, f, indent=2)
27 | 


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/verify_signed_message.py:
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 1 | from thenewboston.blocks.signatures import verify_signature
 2 | 
 3 | from config import SIGNED_MESSAGE_FILE
 4 | from utils import read_json
 5 | 
 6 | SIGNED_MESSAGE = read_json(SIGNED_MESSAGE_FILE)
 7 | 
 8 | try:
 9 |     verify_signature(
10 |         message=SIGNED_MESSAGE['message'].encode('utf-8'),
11 |         signature=SIGNED_MESSAGE['signature'],
12 |         verify_key=SIGNED_MESSAGE['account_number']
13 |     )
14 |     print('\nValid!')
15 | except Exception:
16 |     print('\nInvalid')
17 | 


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