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wire: Allow non-u16 length variables in non-bolt wire formats

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Otherwise we can't really return a variable sized message with more than 65k
results. This was causing an integer overflow in `listchannels` (see #2504 for
details).

Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2019-03-26 19:28:04 +01:00
parent b17b05b8ae
commit 3ce98ab7de
1 changed files with 1 additions and 1 deletions
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2
tools/generate-wire.py
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@ -308,7 +308,7 @@ class Message(object):
return
for f in self.fields:
if f.name == field.lenvar:
if f.fieldtype.name != 'u16':
if f.fieldtype.name != 'u16' and options.bolt:
raise ValueError('Field {} has non-u16 length variable {} (type {})'
.format(field.name, field.lenvar, f.fieldtype.name))