when getting events from block 2535089, retriever.GetEvents() got error

[ryuuyq]

when getting events from block 2535089, retriever.GetEvents() got error :

event parsing: error 0: exec function error: event topics decoding: event #1: expected more bytes, but could not decode any more

	testURL := "wss://rpc.polkadot.io"
	api, err := gsrpc.NewSubstrateAPI(testURL)
	if err != nil {
		log.Printf("Couldn't connect to '%s': %s\n", testURL, err)
		return
	}
	retriever, err := retriever.NewDefaultEventRetriever(state.NewEventProvider(api.RPC.State), api.RPC.State)
	if err != nil {
		log.Printf("Couldn't create event retriever: %s", err)
		return
	}

	blockHash, err := api.RPC.Chain.GetBlockHash(uint64(2535089))
	if err != nil {
		log.Printf("Couldn't retrieve blockHash for '%s', block number %d: %s\n", testURL, header.Number, err)
		return
	}

	events, err := retriever.GetEvents(blockHash)
	if err != nil {
		log.Printf("Couldn't retrieve events for '%s', block number %d: %s\n", testURL, header.Number, err)
		return
	}

	log.Printf("Found %d events for '%s', at block number %d.\n", len(events), testURL, header.Number)

[cdamian]

@ryuuyq - please refer to - #357 (comment)