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Merge pull request #407 from cfromknecht/router-prevent-rescan 

router: prevent rescan on startup
This commit is contained in:
Olaoluwa Osuntokun 2017-11-11 17:05:13 -08:00 committed by GitHub
parent b6f64932c2 e62bb0319d
commit 06f82474d4
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 6 deletions
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10
routing/chainview/btcd.go
View File

@ -366,12 +366,12 @@ func (b *BtcdFilteredChainView) chainFilterer() {
continue
}
// If no block was returned from the rescan,
// it means no maching transactions were found.
// If no block was returned from the rescan, it
// means no matching transactions were found.
if len(rescanned) != 1 {
log.Debugf("no matching block found "+
"for rescan of hash %v",
blockHash)
log.Tracef("rescan of block %v at "+
"height=%d yielded no "+
"transactions", blockHash, i)
continue
}
decoded, err := decodeJSONBlock(

16
routing/router.go
View File

@ -273,6 +273,18 @@ func (r *ChannelRouter) Start() error {
r.newBlocks = r.cfg.ChainView.FilteredBlocks()
r.staleBlocks = r.cfg.ChainView.DisconnectedBlocks()
_, pruneHeight, err := r.cfg.Graph.PruneTip()
if err != nil {
switch {
// If the graph has never been pruned, or hasn't fully been
// created yet, then we don't treat this as an explicit error.
case err == channeldb.ErrGraphNeverPruned:
case err == channeldb.ErrGraphNotFound:
default:
return err
}
}
// Before we perform our manual block pruning, we'll construct and
// apply a fresh chain filter to the active FilteredChainView instance.
// We do this before, as otherwise we may miss on-chain events as the
@ -281,8 +293,9 @@ func (r *ChannelRouter) Start() error {
if err != nil && err != channeldb.ErrGraphNoEdgesFound {
return err
}
log.Infof("Filtering chain using %v channels active", len(channelView))
err = r.cfg.ChainView.UpdateFilter(channelView, r.bestHeight)
err = r.cfg.ChainView.UpdateFilter(channelView, pruneHeight)
if err != nil {
return err
}
@ -331,6 +344,7 @@ func (r *ChannelRouter) syncGraphWithChain() error {
return err
}
r.bestHeight = uint32(bestHeight)
pruneHash, pruneHeight, err := r.cfg.Graph.PruneTip()
if err != nil {
switch {