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| author | Sonic <sonic@dexon.org> | 2018-12-27 16:25:45 +0800 |
|---|---|---|
| committer | Wei-Ning Huang <w@dexon.org> | 2019-04-09 21:32:55 +0800 |
| commit | 10d8d26ea0c2764c54db6fc2f56374a67f409de6 (patch) | |
| tree | 51c6e828d57d2ccc58621835eaf85301e1f2d477 | |
| parent | c249cbfec96083833025efa7dee5fe3fb176309a (diff) | |
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dex/downloader: fix bug when syncing (#106)
Since blocks will interleave around round change, we will probably need
to verify blocks at previous round.
| -rw-r--r-- | dex/downloader/downloader.go | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/dex/downloader/downloader.go b/dex/downloader/downloader.go index 809fe7e4a..6ff8c122e 100644 --- a/dex/downloader/downloader.go +++ b/dex/downloader/downloader.go @@ -480,9 +480,9 @@ func (d *Downloader) syncWithPeer(p *peerConnection, hash common.Hash, number ui return fmt.Errorf("origin header not exists, number: %d", origin) } - // prepare state origin - 2 + // prepare state origin - 3 d.gov = newGovernance(govState) - for i := uint64(0); i < 3; i++ { + for i := uint64(0); i < 4; i++ { if originHeader.Round >= i { h := d.gov.GetRoundHeight(originHeader.Round - i) s, err := d.lightchain.GetGovStateByNumber(h) @@ -494,6 +494,17 @@ func (d *Downloader) syncWithPeer(p *peerConnection, hash common.Hash, number ui } d.verifierCache = dexCore.NewTSigVerifierCache(d.gov, 5) + + // warm up verifierCache + if originHeader.Round > 0 { + ok, err := d.verifierCache.Update(originHeader.Round - 1) + if err != nil { + return err + } + if !ok { + return fmt.Errorf("can not update verifier cache") + } + } } // Initiate the sync using a concurrent header and content retrieval algorithm |