basicswap_miserver/basicswap/util_xmr.py
2024-03-25 13:52:55 +02:00

20 lines
681 B
Python

# -*- coding: utf-8 -*-
import basicswap.contrib.Keccak as Keccak
from basicswap.util.integer import encode_varint
from .contrib.MoneroPy.base58 import encode as xmr_b58encode
def cn_fast_hash(s):
k = Keccak.Keccak()
return k.Keccak((len(s) * 8, s.hex()), 1088, 512, 32 * 8, False).lower() # r = bitrate = 1088, c = capacity, n = output length in bits
def encode_address(view_point: bytes, spend_point: bytes, version=18) -> str:
prefix_bytes = version if isinstance(version, bytes) else encode_varint(version)
buf = prefix_bytes + spend_point + view_point
h = cn_fast_hash(buf)
buf = buf + bytes.fromhex(h[0: 8])
return xmr_b58encode(buf.hex())