Produce block immediately when exhausted without going through timer

plugins/producer_plugin/producer_plugin.cpp

@@ -1330,17 +1330,18 @@ producer_plugin_impl::start_block_result producer_plugin_impl::start_block() {
 
    const auto& hbs = chain.head_block_state();
 
-   fc_dlog(_log, "Starting block ${n} at ${time}", ("n", hbs->block_num + 1)("time", fc::time_point::now()));
-
    //Schedule for the next second's tick regardless of chain state
    // If we would wait less than 50ms (1/10 of block_interval), wait for the whole block interval.
    const fc::time_point now = fc::time_point::now();
    const fc::time_point block_time = calculate_pending_block_time();
 
    _pending_block_mode = pending_block_mode::producing;
 
-   // Not our turn
    const auto& scheduled_producer = hbs->get_scheduled_producer(block_time);
+
+   fc_dlog(_log, "Starting block ${n} at ${time} producer ${p}",
+           ("n", hbs->block_num + 1)("time", now)("p", scheduled_producer.producer_name));
+
    auto current_watermark = get_watermark(scheduled_producer.producer_name);
 
    size_t num_relevant_signatures = 0;
@@ -1745,9 +1746,13 @@ void producer_plugin_impl::schedule_production_loop() {
          auto expect_time = chain.pending_block_time() - fc::microseconds(config::block_interval_us);
          // ship this block off up to 1 block time earlier or immediately
          if (fc::time_point::now() >= expect_time) {
-            _timer.expires_from_now( boost::posix_time::microseconds( 0 ));
-            fc_dlog(_log, "Scheduling Block Production on Exhausted Block #${num} immediately",
+            // produce block immediately
+            fc_dlog(_log, "Completing Block Production on Exhausted Block #${num} immediately",
                           ("num", chain.head_block_num()+1));
+            fc_dlog( _log, "Produce block for ${num} running at ${time}", ("num", chain.head_block_num()+1)("time", fc::time_point::now()) );
+            auto res = maybe_produce_block();
+            fc_dlog( _log, "Producing Block #${num} returned: ${res}", ("num", chain.head_block_num()+1)( "res", res ) );
+            return;
          } else {
             _timer.expires_at(epoch + boost::posix_time::microseconds(expect_time.time_since_epoch().count()));
             fc_dlog(_log, "Scheduling Block Production on Exhausted Block #${num} at ${time}",