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Code Issues Releases Wiki Activity

core/slip39: fix UI for 33 words

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closes #395
This commit is contained in:
Tomas Susanka 2019-08-14 11:16:12 +02:00
parent 542f156b4f
commit e119e8de96
1 changed files with 11 additions and 2 deletions
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13
core/src/apps/management/common/layout.py
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@ -409,8 +409,17 @@ async def _slip39_show_share_words(ctx, share_index, share_words):
def _slip39_split_share_into_pages(share_words):
share = list(enumerate(share_words)) # we need to keep track of the word indices
first = share[:2] # two words on the first page
middle = share[2:-2]
last = share[-2:] # two words on the last page
length = len(share_words)
if length == 20:
middle = share[2:-2]
last = share[-2:] # two words on the last page
elif length == 33:
middle = share[2:]
last = [] # no words at the last page, because it does not add up
else:
# Invalid number of shares. SLIP-39 allows 20 or 33 words.
raise RuntimeError
chunks = utils.chunks(middle, 4) # 4 words on the middle pages
return first, list(chunks), last