Add Bitgesell (BGL) - check pycodestyle

Author: wu-emma

electrumx/lib/coins.py

@@ -4249,27 +4249,18 @@ class Bitgesell(Coin):
     XPUB_VERBYTES = bytes.fromhex("0488b21e")
     XPRV_VERBYTES = bytes.fromhex("0488ade4")
     RPC_PORT = 8332
-    GENESIS_HASH = (
-        '00000018cdcfeeb4dfdebe9392b855cfea7d6ddb953ef13f974b58773606d53d')
-    PEERS = [
-    ]
-
-
+    GENESIS_HASH = ('00000018cdcfeeb4dfdebe9392b855cfea7d6ddb953ef13f974b58773606d53d')
+    PEERS = []
     DESERIALIZER = lib_tx.DeserializerSegWitBGL
-
     MEMPOOL_HISTOGRAM_REFRESH_SECS = 120
     TX_COUNT = 14731600
     TX_COUNT_HEIGHT = 228495
     TX_PER_BLOCK = 64
-
-
-
     P2PKH_VERBYTE = bytes.fromhex("0a")
     P2SH_VERBYTES = (bytes.fromhex("19"),)
     WIF_BYTE = bytes.fromhex("80")
 
-
     @classmethod
     def header_hash(cls, header):
         '''Given a header return hash'''
-        return keccak_256(header)
+        return keccak_256(header)

electrumx/lib/hash.py

@@ -46,11 +46,13 @@ def double_sha256(x):
     '''SHA-256 of SHA-256, as used extensively in bitcoin.'''
     return sha256(sha256(x))
 
+
 def keccak_256(s):
     from Cryptodome.Hash import keccak
     keccak_hash = keccak.new(data=s, digest_bits=256)
     return keccak_hash.digest()
 
+
 def hash_to_hex_str(x):
     '''Convert a big-endian binary hash to displayed hex string.
 

electrumx/lib/tx.py

@@ -311,9 +311,11 @@ def read_tx_and_vsize(self):
         tx, _tx_hash, vsize = self._read_tx_parts()
         return tx, vsize
 
+
 class DeserializerSegWitBGL(DeserializerSegWit):
     TX_HASH_FN = staticmethod(sha256)
 
+
 class DeserializerLitecoin(DeserializerSegWit):
     '''Class representing Litecoin transactions, which may have the MW flag set.