PEP8 formating

pybtc/address.py

@@ -1,5 +1,6 @@
 from .tools import *
 
+
 class PrivateKey():
     def __init__(self, key=None, compressed=True, testnet=False):
         if key is None:
@@ -34,7 +35,7 @@ class PrivateKey():
     def hex(self):
         return hexlify(self.raw_key).decode()
 
-    def WIF(self, compressed=None, testnet=None):
+    def wif(self, compressed=None, testnet=None):
         if compressed is None:
             compressed = self.compressed
         if testnet is None:
@@ -60,18 +61,16 @@ class PublicKey():
             self.compressed = False
         self.raw_key = key
 
-
     def hex(self):
         return hexlify(self.raw_key).decode()
 
 
-
 class Address():
     def __init__(self, key = None,
-                 address_type="P2WPKH", testnet=False, compressed = True):
+                 address_type="P2WPKH", testnet=False, compressed=True):
         if key is None:
-            self.private_key = PrivateKey(testnet = testnet,
-                                          compressed = compressed)
+            self.private_key = PrivateKey(testnet=testnet,
+                                          compressed=compressed)
             self.public_key = PublicKey(self.private_key)
         elif type(key) == PrivateKey:
             self.private_key = key
@@ -92,7 +91,6 @@ class Address():
         else:
             self.witness_version = None
         self.compressed = compressed
-
         if address_type == "P2SH_P2WPKH":
             self.script_hash = True
             self.redeem_script = public_key_to_p2sh_p2wpkh_script(self.public_key.raw_key)
@@ -102,5 +100,5 @@ class Address():
             self.script_hash = False
             self.hash = hash160(self.public_key.raw_key)
         self.address = hash_to_address(self.hash,
-                                       script_hash = self.script_hash,
-                                       witness_version = self.witness_version)
+                                       script_hash=self.script_hash,
+                                       witness_version=self.witness_version)

pybtc/block.py

@@ -0,0 +1,28 @@
+from .tools import *
+from .transaction import Transaction
+from struct import pack, unpack
+
+
+class Block(dict):
+    def __init__(self, block):
+        s = get_stream(block)
+        self["header"] = s.read(80)
+        self["hash"] = double_sha256(self["header"])
+        self["version"] = unpack("<L", s.read(4))
+        self["previousBlockHash"] = s.read(32)
+        self["merkleRoot"] = s.read(32)
+        self["time"] = unpack("<L", s.read(4))
+        self["bits"] = s.read(4),
+        self["nonce"] = unpack("<L", s.read(4))
+        s.seek(-80, 1)
+        self["tx"] = {i: Transaction(s)
+                      for i in range(var_int_to_int(read_var_int(s)))}
+        self["weight"] = 0
+        self["size"] = 0
+        self["strippedSize"] = 0
+        self["height"] = 0
+        self["difficulty"] = 0
+        self["targetDifficulty"] = 0
+        self["target"] = 0
+
+

pybtc/blockchain.py

@@ -502,7 +502,6 @@ class OLDBlock():
             extranonce_start = len_coinbase + extranonce_start
         return tx[:44 + extranonce_start], tx[44 + extranonce_start + extranonce_size:]
 
-
     @classmethod
     def deserialize(cls, stream):
         stream = get_stream(stream)

pybtc/tools.py

@@ -589,7 +589,7 @@ def reverse_hash(h):
 #
 
 
-def merkleroot(tx_hash_list):
+def merkle_root(tx_hash_list):
     tx_hash_list = list(tx_hash_list)
     if len(tx_hash_list) == 1:
         return tx_hash_list[0]

pybtc/transaction.py

@@ -76,8 +76,8 @@ class Transaction(dict):
         self["weight"] = self["bSize"] * 3 + self["size"]
         self["vSize"] = math.ceil(self["weight"] / 4)
         if ic == 1 and \
-            self["vIn"][0]["txId"] == b'\x00' * 32 and \
-            self["vIn"][0]["vOut"] == 0xffffffff:
+           self["vIn"][0]["txId"] == b'\x00' * 32 and \
+           self["vIn"][0]["vOut"] == 0xffffffff:
             self["coinbase"] = True
         if sw:
             self["segwit"] = True