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fastsync/event: emit fastsync status event when switching consensus/fastsync (#6619)

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closes #2498 
solves part of #3365

Note: difficult to test the event emit in SwitchToFastSync part, might need to change `stateSyncReactor` to an interface in the `nodeImpl` struct
This commit is contained in:
JayT106
2021-07-20 11:36:47 -04:00
committed by GitHub
parent 2030875056
commit c4f77ab6d1
8 changed files with 97 additions and 18 deletions
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10
node/node.go
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@@ -664,7 +664,7 @@ func (n *nodeImpl) OnStart() error {
}
err = startStateSync(n.stateSyncReactor, bcR, n.consensusReactor, n.stateSyncProvider,
n.config.StateSync, n.config.FastSyncMode, n.stateStore, n.blockStore, state)
n.config.StateSync, n.config.FastSyncMode, n.stateStore, n.blockStore, state, n.eventBus)
if err != nil {
return fmt.Errorf("failed to start state sync: %w", err)
}
@@ -1029,7 +1029,7 @@ func (n *nodeImpl) NodeInfo() types.NodeInfo {
// startStateSync starts an asynchronous state sync process, then switches to fast sync mode.
func startStateSync(ssR *statesync.Reactor, bcR cs.FastSyncReactor, conR *cs.Reactor,
stateProvider statesync.StateProvider, config *cfg.StateSyncConfig, fastSync bool,
stateStore sm.Store, blockStore *store.BlockStore, state sm.State) error {
stateStore sm.Store, blockStore *store.BlockStore, state sm.State, eventbus *types.EventBus) error {
ssR.Logger.Info("starting state sync...")
if stateProvider == nil {
@@ -1071,6 +1071,12 @@ func startStateSync(ssR *statesync.Reactor, bcR cs.FastSyncReactor, conR *cs.Rea
ssR.Logger.Error("failed to switch to fast sync", "err", err)
return
}
d := types.EventDataFastSyncStatus{Complete: false, Height: state.LastBlockHeight}
if err := eventbus.PublishEventFastSyncStatus(d); err != nil {
ssR.Logger.Error("failed to emit the fastsync starting event", "err", err)
}
} else {
conR.SwitchToConsensus(state, true)
}