def add_pubkeys(pubkeys, usehex):
"""Pubkeys should be a list (for compatibility).
"""
#Not supporting more than 2 items for now, not needed.
assert len(pubkeys) == 2
if usehex:
pubkeys = [binascii.unhexlify(x) for x in pubkeys]
p1pt, p2pt = [ebt.ser_to_point(x) for x in pubkeys]
sumpt = p1pt + p2pt
return ebt.point_to_ser(sumpt)
def __init__(self, serP):
self._point = ebt.ser_to_point(serP)
#!./venv/bin/python
from electrum import bitcoin, util
from sha3 import keccak_256
import sys
lines = [x.strip() for x in sys.stdin.readlines()]
if len(lines) != 1:
print("wrong input")
sys.exit(1)
_xtype, _depth, _fp, _cn, _c, K = bitcoin.deserialize_xpub(lines[0])
# privkey = bitcoin.serialize_privkey(k, True, "p2pkh")
keccak = keccak_256()
keccak.update(bitcoin.point_to_ser(bitcoin.ser_to_point(K), False)[1:])
print("0x" + keccak.hexdigest()[24:])