lnwire: assert sorted short channel ids #3743
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cfromknecht
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wpaulino
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halseth
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This PR modifies our decoding of short channel id arrays to also assert that the decoded ids are in order for the plain encodings. We already do so for the zlib encoding, though this isn't tested directly. Here we correct the decoding make this assertion for plain encodings, and add unit tests to both
QueryShortChanIDsandReplyChannelRangeto ensure that they fail with this error when presented with duplicate or unsorted channel ids for either plain or zlib.