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Update checked headers for new transformers

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- If a header was marked as checked before a transformer was added to
  the watcher, mark all headers since the new transformer's starting
  block number as unchecked.
This commit is contained in:
Rob Mulholand
2019-08-28 09:25:14 -05:00
parent d76be4962b
commit 666ea1c325
19 changed files with 538 additions and 49 deletions
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libraries/shared/watcher/event_watcher.go
+8 -3
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@@ -41,8 +41,9 @@ type EventWatcher struct {
func NewEventWatcher(db *postgres.DB, bc core.BlockChain) EventWatcher {
extractor := &logs.LogExtractor{
Fetcher: fetcher.NewLogFetcher(bc),
CheckedHeadersRepository: repositories.NewCheckedHeadersRepository(db),
CheckedLogsRepository: repositories.NewCheckedLogsRepository(db),
Fetcher: fetcher.NewLogFetcher(bc),
LogRepository: repositories.NewHeaderSyncLogRepository(db),
Syncer: transactions.NewTransactionsSyncer(db, bc),
}
@@ -59,13 +60,17 @@ func NewEventWatcher(db *postgres.DB, bc core.BlockChain) EventWatcher {
}
// Adds transformers to the watcher so that their logs will be extracted and delegated.
func (watcher *EventWatcher) AddTransformers(initializers []transformer.EventTransformerInitializer) {
func (watcher *EventWatcher) AddTransformers(initializers []transformer.EventTransformerInitializer) error {
for _, initializer := range initializers {
t := initializer(watcher.db)
watcher.LogDelegator.AddTransformer(t)
watcher.LogExtractor.AddTransformerConfig(t.GetConfig())
err := watcher.LogExtractor.AddTransformerConfig(t.GetConfig())
if err != nil {
return err
}
}
return nil
}
// Extracts and delegates watched log events.