ethmonitor: update IsStreamingEnabled() check to also test explicit o…

…ptions.StreamingDisabled

ethmonitor/ethmonitor.go

@@ -302,6 +302,10 @@ func (m *Monitor) Provider() ethrpc.Interface {
 	return m.provider
 }
 
+func (m *Monitor) IsStreamingEnabled() bool {
+	return !m.options.StreamingDisabled && m.provider.IsStreamingEnabled()
+}
+
 func (m *Monitor) listenNewHead() <-chan uint64 {
 	ch := make(chan uint64)
 
@@ -339,7 +343,7 @@ func (m *Monitor) listenNewHead() <-chan uint64 {
 		// the monitor directly too.
 
 		// listen for new heads either via streaming or polling
-		if !m.options.StreamingDisabled && m.provider.IsStreamingEnabled() && streamingErrCount < m.options.StreamingErrNumToSwitchToPolling {
+		if m.IsStreamingEnabled() && streamingErrCount < m.options.StreamingErrNumToSwitchToPolling {
 			// Streaming mode if available, where we listen for new heads
 			// and push the new block number to the nextBlock channel.
 			m.log.Info("ethmonitor: starting stream head listener")
@@ -387,7 +391,7 @@ func (m *Monitor) listenNewHead() <-chan uint64 {
 			retryStreamingTimer := time.NewTimer(m.options.StreamingRetryAfter)
 			for {
 				// if streaming is enabled, we'll retry streaming
-				if m.provider.IsStreamingEnabled() {
+				if m.IsStreamingEnabled() {
 					select {
 					case <-retryStreamingTimer.C:
 						// retry streaming
@@ -759,7 +763,7 @@ func (m *Monitor) fetchNextBlock(ctx context.Context) (*types.Block, []byte, boo
 			nextBlockPayload, err := m.fetchRawBlockByNumber(ctx, m.nextBlockNumber)
 			if errors.Is(err, ethereum.NotFound) {
 				miss = true
-				if m.provider.IsStreamingEnabled() {
+				if m.IsStreamingEnabled() {
 					// in streaming mode, we'll use a shorter time to pause before we refetch
 					time.Sleep(200 * time.Millisecond)
 				} else {