Hotfix/skip root for emission accum (#933)

* skip netuid 0 for pending emission accum

* comment

Author: camfairchild

pallets/subtensor/src/coinbase/run_coinbase.rs

@@ -48,6 +48,9 @@ impl<T: Config> Pallet<T> {
         // --- 3. Drain the subnet block emission and accumulate it as subnet emission, which increases until the tempo is reached in #4.
         // subnet_blockwise_emission -> subnet_pending_emission
         for netuid in subnets.clone().iter() {
+            if *netuid == 0 {
+                continue;
+            }
             // --- 3.1 Get the network's block-wise emission amount.
             // This value is newly minted TAO which has not reached staking accounts yet.
             let subnet_blockwise_emission: u64 = EmissionValues::<T>::get(*netuid);
@@ -87,6 +90,11 @@ impl<T: Config> Pallet<T> {
                 Self::set_blocks_since_last_step(*netuid, 0);
                 Self::set_last_mechanism_step_block(*netuid, current_block);
 
+                if *netuid == 0 {
+                    // Skip netuid 0 payouts
+                    continue;
+                }
+
                 // --- 4.4 Distribute owner take.
                 if SubnetOwner::<T>::contains_key(netuid) {
                     // Does the subnet have an owner?