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Levin Zimmermann
neoppod
Commits
ef387448
Commit
ef387448
authored
May 25, 2018
by
Julien Muchembled
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Micro-optimization of p64/u64
parent
365c4398
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1
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6 deletions
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-6
neo/lib/util.py
neo/lib/util.py
+5
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neo/lib/util.py
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ef387448
...
...
@@ -20,7 +20,7 @@ from binascii import a2b_hex, b2a_hex
from
datetime
import
timedelta
,
datetime
from
hashlib
import
sha1
from
Queue
import
deque
from
struct
import
pack
,
unpack
from
struct
import
pack
,
unpack
,
Struct
from
time
import
gmtime
TID_LOW_OVERFLOW
=
2
**
32
...
...
@@ -102,11 +102,10 @@ def addTID(ptid, offset):
higher
=
(
d
.
year
,
d
.
month
,
d
.
day
,
d
.
hour
,
d
.
minute
)
return
packTID
(
higher
,
lower
)
def
u64
(
s
):
return
unpack
(
'!Q'
,
s
)[
0
]
def
p64
(
n
):
return
pack
(
'!Q'
,
n
)
p64
,
u64
=
(
lambda
unpack
:
(
unpack
.
__self__
.
pack
,
lambda
s
:
unpack
(
s
)[
0
]
))(
Struct
(
'!Q'
).
unpack
)
def
add64
(
packed
,
offset
):
"""Add a python number to a 64-bits packed value"""
...
...
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