merkle root

block.py

@@ -14,7 +14,7 @@ def __init__(self, version, prev_block, merkle_root,
     def serialize(self):
         result = int_to_little_endian(self.version, 4)
         result += self.prev_block[::-1]
-        result += self.merkle_root[::-1]
+        result += self.merkle_root
         result += int_to_little_endian(self.timestamp, 4)
         result += self.bits[::-1]
         result += self.nonce[::-1]
@@ -30,12 +30,10 @@ def hash(self):
         return h256[::-1]
 
     def validate_merkle_root(self):
-        '''Gets the merkle root of the tx_hashes and checks that it's
-        the same as the merkle root of this block.
-        '''
         # reverse each item in self.tx_hashes
+
         hashes = [h[::-1] for h in self.tx_hashes]
         # compute the Merkle Root and reverse
-        root = merkle_root(hashes)[::-1]
+        root = merkle_root(hashes)
         # return whether self.merkle_root is the same
         return root == self.merkle_root

main.py

@@ -4,6 +4,7 @@
 from usefulfunctions import  int_to_little_endian , hash256 , sha256 , merkle_root , read_varint , encode_varint
 from io import BytesIO
 import os
+import hashlib
 
 from block import Block  
 import random
@@ -18,12 +19,8 @@ def nonce():
     hex_string = ''.join(format(byte, '02x') for byte in random_bytes)
 
     return hex_string
-
 def wxcommitment(hash,val) :
     return hash256(hash + val)
-
-
-
 def scripttype(cmds) :
     x = bytes.fromhex(cmds)
     xx = encode_varint(len(x))+x 
@@ -115,6 +112,12 @@ def initializeTxn(txex , segwitness) :
         except Exception as e:
             continue
 
+def hash2561(data):
+    return hashlib.sha256(hashlib.sha256(bytes.fromhex(data)).digest()).digest().hex()
+
+
+
+
 hashes = [bytes.fromhex(h)[::-1] for h in wxtid]
 wxc = wxcommitment(merkle_root(hashes),bytes.fromhex(wxtidcons)).hex()
 witnesscomitmentpubkeyscript = "6a24aa21a9ed"+wxc
@@ -148,43 +151,28 @@ def initializeTxn(txex , segwitness) :
 
 
 CoinbaseTxnSerialize = ctx.serialize().hex()
-# print(CoinbaseTxnSerialize)
 CoinbaseTxnId = ctx.id()  # this is our coinbase transaction  
-
-# print(totalfees)
-# print(totalwu)
-# print(txids)
-
 txids.insert(0,CoinbaseTxnId)
 
-# txids = [
-#   "8c14f0db3df150123e6f3dbbf30f8b955a8249b62ac1d1ff16284aefa3d06d87",
-#   "fff2525b8931402dd09222c50775608f75787bd2b87e56995a7bdd30f79702c4",
-#   "6359f0868171b1d194cbee1af2f16ea598ae8fad666d9b012c8ed2b79a236ec4",
-#   "e9a66845e05d5abc0ad04ec80f774a7e585c6e8db975962d069a522137b80c1d"
-# ]
 
 
-txides = [bytes.fromhex(h)[::-1] for h in txids]
-# print(merkle_root(txidess).hex())
-# print(txides)
-# now we can create the blockheader  :
 
+# calculation of the merkle root 
+txides = [bytes.fromhex(h)[::-1] for h in txids]
 block = Block (
   version = 0x20000002 ,
   prev_block= bytes.fromhex(base_block),
   merkle_root= merkle_root(txides),
   timestamp= int(ts),
   bits=bytes.fromhex('1f00ffff') ,
   nonce= bytes.fromhex(nonce())  , #nonce()) , #nonce should be of the bytes 
-  tx_hashes = txides
+  tx_hashes = [bytes.fromhex(h) for h in txids]
 )
 
 
-# for h in txides :
-#     print(h.hex())
-# print(block.validate_merkle_root())
-# print(block.merkle_root.hex())
+for h in txids :
+    print(h)
+print(block.validate_merkle_root())
 
 
 
@@ -206,6 +194,7 @@ def initializeTxn(txex , segwitness) :
 # print(Coinbase_txn_serialize)
 # for tx in txids :
 #   print(tx)
+
 txcount = "FD"+int_to_little_endian(len(txids)+1,2).hex()
 script_directory = os.path.dirname(os.path.abspath(__file__))
 output_file_path = os.path.join(script_directory, "output.txt")

output.txt

@@ -1,4 +1,4 @@
-020000200000000000000000000000000000000000000000000000000000000000000000aa540c9d3d1c6f8812d00349518135f8fd675cbf348c139ea6a9571985e116e0ca342f66ffff001f115f4f78
+020000200000000000000000000000000000000000000000000000000000000000000000e016e1851957a9a69e138c34bf5c67fdf83581514903d012886f1c3d9d0c54aacfa12f66ffff001f09deb1c9
 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
 FD0600
 49a6af777488f947e2b6e2e0ab87f56f44cbfe8280c4dfd9c7c5d9c1b1291f10