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extra check in toFullTipSets

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This commit is contained in:
Lucas Molas 2020-07-31 09:33:40 -03:00
parent 3f6c418dc6
commit 97b37474f9
1 changed files with 4 additions and 4 deletions
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8
chain/blocksync/protocol.go
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@ -163,11 +163,11 @@ type validatedResponse struct {
// Decompress messages and form full tipsets with them. The headers // Decompress messages and form full tipsets with them. The headers
// need to have been requested as well. // need to have been requested as well.
func (res *validatedResponse) toFullTipSets() ([]*store.FullTipSet) { func (res *validatedResponse) toFullTipSets() ([]*store.FullTipSet) {
if len(res.tipsets) == 0 { if len(res.tipsets) == 0 || len(res.tipsets) != len(res.messages) {
// This decompression can only be done if both headers and // This decompression can only be done if both headers and
// messages are returned in the response. // messages are returned in the response. (The second check
// FIXME: Do we need to check the messages are present also? The validation // is already implied by the guarantees of `validatedResponse`,
// would seem to imply this is unnecessary, can be added just in case. // added here just for completeness.)
return nil return nil
} }
ftsList := make([]*store.FullTipSet, len(res.tipsets)) ftsList := make([]*store.FullTipSet, len(res.tipsets))