From 0490806b5e2416a14712f00131cff9cf86e1a24f Mon Sep 17 00:00:00 2001
From: Shawn Wilkinson <me@super3.org>
Date: Sat, 30 May 2015 22:23:10 -0400
Subject: [PATCH] Building Challenge Class

---
 dataserv/Challenge.py | 16 ++++++++++++++++
 dataserv/Farmer.py    | 14 +-------------
 2 files changed, 17 insertions(+), 13 deletions(-)
 create mode 100644 dataserv/Challenge.py

diff --git a/dataserv/Challenge.py b/dataserv/Challenge.py
new file mode 100644
index 0000000..5cec806
--- /dev/null
+++ b/dataserv/Challenge.py
@@ -0,0 +1,16 @@
+import random
+
+class Challenge:
+    def seed_list(self, height):
+        """Generate a list of seeds for challenges based on the Bitcoin address."""
+        seeds = []
+        last_seed = sha256(self.btc_addr)
+        for i in range(height+1):
+            seeds.append(last_seed)
+            last_seed =sha256(last_seed)
+        return seeds
+
+    def gen_challenge(self):
+        """Generate a random challenge for the Farmer."""
+        iter_seed = random.randrange(0, len(app.config['SEED_HEIGHT']))
+        seeds = self.seed_list(app.config['SEED_HEIGHT'])
diff --git a/dataserv/Farmer.py b/dataserv/Farmer.py
index 3f3c71b..8a5bbf5 100644
--- a/dataserv/Farmer.py
+++ b/dataserv/Farmer.py
@@ -7,6 +7,7 @@
 
 app = Flask(__name__)
 app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///dataserv.db'
+app.config['SEED_HEIGHT'] = 100
 db = SQLAlchemy(app)
 
 
@@ -76,16 +77,3 @@ def ping(self):
         """
         self = Farmer.query.filter_by(btc_addr=self.btc_addr)
         self.update(dict(last_seen=datetime.utcnow()))
-
-    def seed_list(self, height):
-        """Generate a list of seeds for challenges based on the Bitcoin address."""
-        seeds = []
-        last_seed = sha256(self.btc_addr)
-        for i in range(height):
-            seeds.append(last_seed)
-            last_seed =sha256(last_seed)
-        return seeds
-
-    def gen_challenge(self):
-        """Generate a random challenge for the Farmer."""
-        pass