new requirements.txt

Makefile

@@ -0,0 +1,9 @@
+start:
+	./app.py -p 8000
+update:
+	pipenv update
+	pipenv lock -r > requirements.txt
+build: update
+	docker-compose build node
+push: build
+	docker-compose push node

blockchain.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-"""Block chain according to me."""
 
 import hashlib
 from time import time
@@ -11,7 +10,6 @@ DIFFICULTY = 4
 
 
 class Block:
-    """Block according to me."""
     def __init__(self, index, timestamp, transactions, previous_hash, proof):
         self.index = index
         self.timestamp = timestamp
@@ -21,7 +19,6 @@ class Block:
         self.hash = self.hash()
 
     def hash(self):
-        """Hash a block using sha256."""
         data = self.__dict__
         data["transactions"] = [t.__dict__ for t in self.transactions]
         block_string = json.dumps(data, sort_keys=True).encode()
@@ -32,19 +29,16 @@ class Block:
 
 
 class Transaction:
-    """Transaction of Samy coin."""
     def __init__(self, sender, recipient, amount):
         self.sender = sender
         self.recipient = recipient
         self.amount = amount
 
     def __str__(self):
-        """String representation of a transaction."""
         return f"FROM: {self.sender} TO: {self.recipient} AMOUNT: {self.amount}"
 
 
 class Blockchain:
-    """Blockchain"""
     def __init__(self):
         self.blocks = []
         self.blocks.append(self.create_first_block())

requirements.txt

@@ -1,2 +1,19 @@
-Flask==2.0.2
+#
+# These requirements were autogenerated by pipenv
+# To regenerate from the project's Pipfile, run:
+#
+#    pipenv lock --requirements
+#
+
+-i https://pypi.org/simple
+certifi==2021.10.8
+charset-normalizer==2.0.12; python_version >= '3'
+click==8.0.4; python_version >= '3.6'
+flask==2.0.2
+idna==3.3; python_version >= '3'
+itsdangerous==2.1.0; python_version >= '3.7'
+jinja2==3.0.3; python_version >= '3.6'
+markupsafe==2.1.0; python_version >= '3.7'
 requests==2.27.1
+urllib3==1.26.8; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'
+werkzeug==2.0.3; python_version >= '3.6'