initial commit

mine.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+import hashlib
+
+DIFFICUTLY=6
+
+
+# block1_transactions="HEADER:nonce{}----DATA:1#2#3#4"
+block1_transactions="BL1#1#2#3#4"
+block2_transactions="BL2#6#7#8#9"
+
+
+def test_hash(hash, difficulty):
+
+    difficulty_str = ''
+    for i in range(difficulty):
+        difficulty_str = '0' + difficulty_str
+
+    print("Testing if hash starts with {}".format(difficulty_str))
+
+    if hash.startswith(difficulty_str):
+        # print("We a found a block !")
+        return True
+
+
+    # print("Keep looking for new block !")
+    return False
+
+
+
+
+def work_for_block(block_data, last_block_hash):
+    nonce = 0
+
+
+
+    block_hash = ''
+
+    while True:
+
+        block = "HEADER:nonce{}--last_block:{}----DATA:{}".format(nonce,
+                                                                last_block_hash,
+                                                                block_data)
+        blocksha = hashlib.sha256()
+        blocksha.update(str.encode(block))
+        block_hash = blocksha.hexdigest()
+        if test_hash(block_hash, DIFFICUTLY):
+            print("We found block {} with nonce {} and difficulty {}".format(block_hash, nonce, DIFFICUTLY))
+            break
+        else:
+            nonce += 1
+            print("BLK: {} Nonce: {}".format(block_data[0:3], nonce))
+
+    return block_hash
+
+
+
+
+if __name__ == '__main__':
+
+    block1 = work_for_block(block1_transactions, '0')
+    block2 = work_for_block(block2_transactions, block1)
+
+