simplified big0034 redundancy

vertiond · Jun 19, 2015 · 2acfd3c · 2acfd3c
1 parent 0bc89a2
commit 2acfd3c
Showing 1 changed file with 1 addition and 16 deletions.
diff --git a/p2pool/data.py b/p2pool/data.py
@@ -12,24 +12,9 @@
 from p2pool.bitcoin import data as bitcoin_data, script, sha256
 from p2pool.util import math, forest, pack
 
-def deserialize_bignum(str_, len_):
-    result = 0L
-    for idx in xrange(len_//8):
-        limb, str_ = pack.IntType(64).unpack(str_[:8]), str_[8:]
-        result += limb << (idx * 64)
-    if len_ & 4:
-        limb, str_ = pack.IntType(32).unpack(str_[:4]), str_[4:]
-        result += limb << ((len_ & ~7) * 8)
-    if len_ & 2:
-        limb, str_ = pack.IntType(16).unpack(str_[:2]), str_[2:]
-        result += limb << ((len_ & ~3) * 8)
-    if len_ & 1:
-        limb, str_ = pack.IntType(8).unpack(str_[:1]), str_[1:]
-        result += limb << ((len_ & ~1) * 8)
-    return result
 def parse_bip0034(coinbase):
     _, opdata = script.parse(coinbase).next()
-    bignum = deserialize_bignum(opdata, len(opdata))
+    bignum = pack.IntType(len(opdata)*8).unpack(opdata)
     if ord(opdata[-1]) & 0x80:
         bignum = -bignum
     return (bignum,)