AaronFiore/electrum
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keystore: add note regarding xpubkeys

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SomberNight
2018-09-12 18:22:34 +02:00
parent 152c6abb86
commit 3842205b8a
1 changed files with 5 additions and 0 deletions
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5
electrum/keystore.py
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@@ -253,12 +253,17 @@ class Xpub:
@classmethod @classmethod
def parse_xpubkey(self, pubkey): def parse_xpubkey(self, pubkey):
# type + xpub + derivation
assert pubkey[0:2] == 'ff' assert pubkey[0:2] == 'ff'
pk = bfh(pubkey) pk = bfh(pubkey)
# xpub:
pk = pk[1:] pk = pk[1:]
xkey = bitcoin.EncodeBase58Check(pk[0:78]) xkey = bitcoin.EncodeBase58Check(pk[0:78])
# derivation:
dd = pk[78:] dd = pk[78:]
s = [] s = []
# FIXME: due to an oversight, levels in the derivation are only
# allocated 2 bytes, instead of 4 (in bip32)
while dd: while dd:
n = int(bitcoin.rev_hex(bh2u(dd[0:2])), 16) n = int(bitcoin.rev_hex(bh2u(dd[0:2])), 16)
dd = dd[2:] dd = dd[2:]