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routing/chainview/neutrino: error if we get a nil cfilter back (#1176)

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This commit is contained in:
Kenneth Perry 2018-05-03 17:21:56 -05:00 committed by Olaoluwa Osuntokun
parent a4b2765f83
commit f7c5a7a19e
1 changed files with 4 additions and 0 deletions
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4
routing/chainview/neutrino.go
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@ -241,6 +241,10 @@ func (c *CfFilteredChainView) FilterBlock(blockHash *chainhash.Hash) (*FilteredB
return nil, err
}
if filter == nil {
return nil, fmt.Errorf("Unable to fetch filter")
}
// Before we can match the filter, we'll need to map each item in our
// chain filter to the representation that included in the compact
// filters.