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events: Change null block handling

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This commit is contained in:
Łukasz Magiera 2019-10-05 01:49:18 +02:00
parent 1cfe67cb59
commit d0850b8c2f
1 changed files with 4 additions and 2 deletions
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6
chain/events/events_height.go
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@ -53,7 +53,7 @@ func (e *heightEvents) headChangeAt(rev, app []*types.TipSet) error {
break
}
revert(subh, nil)
revert(subh, ts)
subh--
}
@ -103,7 +103,7 @@ func (e *heightEvents) headChangeAt(rev, app []*types.TipSet) error {
break
}
if err := apply(subh, nil); err != nil {
if err := apply(subh, ts); err != nil {
return err
}
@ -118,6 +118,8 @@ func (e *heightEvents) headChangeAt(rev, app []*types.TipSet) error {
// ChainAt invokes the specified `HeightHandler` when the chain reaches the
// specified height+confidence threshold. If the chain is rolled-back under the
// specified height, `RevertHandler` will be called.
//
// ts passed to handlers is the tipset at the specified, or above, if lower tipsets were null
func (e *heightEvents) ChainAt(hnd HeightHandler, rev RevertHandler, confidence int, h uint64) error {
e.lk.Lock()
defer e.lk.Unlock()