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fix #6757: truncate invoice description to 639 bytes

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This commit is contained in:
ThomasV
2020-11-26 12:07:03 +01:00
parent 2904615211
commit 2638c818e9
1 changed files with 2 additions and 1 deletions
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3
electrum/lnaddr.py
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@@ -217,7 +217,8 @@ def lnencode(addr: 'LnAddr', privkey) -> str:
elif k == 'f': elif k == 'f':
data += encode_fallback(v, addr.currency) data += encode_fallback(v, addr.currency)
elif k == 'd': elif k == 'd':
data += tagged_bytes('d', v.encode()) # truncate to max length: 1024*5 bits = 639 bytes
data += tagged_bytes('d', v.encode()[0:639])
elif k == 'x': elif k == 'x':
expirybits = bitstring.pack('intbe:64', v) expirybits = bitstring.pack('intbe:64', v)
expirybits = trim_to_min_length(expirybits) expirybits = trim_to_min_length(expirybits)