add volumne

Author: unconst

pallets/subtensor/src/coinbase/run_coinbase.rs

@@ -285,7 +285,7 @@ impl<T: Config> Pallet<T> {
         // First clear the netuid from HotkeyDividends
         let mut total_root_alpha_divs: u64 = 0;
         let mut root_alpha_divs: BTreeMap<T::AccountId, u64> = BTreeMap::new();
-        let _ = HotkeyDividendsPerSubnet::<T>::clear_prefix(netuid, u32::MAX, None);
+        let _ = AlphaDividendsPerSubnet::<T>::clear_prefix(netuid, u32::MAX, None);
         for (hotkey, incentive, dividends) in hotkey_emission {
             log::debug!(
                 "Processing hotkey {:?} with incentive {:?} and dividends {:?}",
@@ -412,7 +412,7 @@ impl<T: Config> Pallet<T> {
                 );
 
                 // 7.6.3.9: Record dividends for this hotkey on this subnet.
-                HotkeyDividendsPerSubnet::<T>::mutate(netuid, hotkey_j.clone(), |divs| {
+                AlphaDividendsPerSubnet::<T>::mutate(netuid, hotkey_j.clone(), |divs| {
                     *divs = divs.saturating_add(divs_j);
                 });
                 log::debug!(
@@ -424,7 +424,7 @@ impl<T: Config> Pallet<T> {
             }
         }
         // For all the root alpha divs give this proportion of the swapped tao to the root participants.
-        let _ = RootDividendsPerSubnet::<T>::clear_prefix(netuid, u32::MAX, None);
+        let _ = TaoDividendsPerSubnet::<T>::clear_prefix(netuid, u32::MAX, None);
         let total_root_divs_to_distribute = PendingRootDivs::<T>::get(netuid);
         PendingRootDivs::<T>::insert(netuid, 0);
         for (hotkey_j, root_divs) in root_alpha_divs.iter() {
@@ -454,7 +454,7 @@ impl<T: Config> Pallet<T> {
             );
 
             // 7.6.3.9: Record dividends for this hotkey on this subnet.
-            RootDividendsPerSubnet::<T>::mutate(netuid, hotkey_j.clone(), |divs| {
+            TaoDividendsPerSubnet::<T>::mutate(netuid, hotkey_j.clone(), |divs| {
                 *divs = divs.saturating_add(root_divs_to_pay);
             });
         }

pallets/subtensor/src/lib.rs

@@ -814,7 +814,7 @@ pub mod pallet {
         DefaultAccountLinkage<T>,
     >;
     #[pallet::storage] // --- DMAP ( netuid, hotkey ) --> u64 | Last total dividend this hotkey got on tempo.
-    pub type HotkeyDividendsPerSubnet<T: Config> = StorageDoubleMap<
+    pub type AlphaDividendsPerSubnet<T: Config> = StorageDoubleMap<
         _,
         Identity,
         u16,
@@ -825,7 +825,7 @@ pub mod pallet {
         DefaultZeroU64<T>,
     >;
     #[pallet::storage] // --- DMAP ( netuid, hotkey ) --> u64 | Last total root dividend paid to this hotkey on this subnet.
-    pub type RootDividendsPerSubnet<T: Config> = StorageDoubleMap<
+    pub type TaoDividendsPerSubnet<T: Config> = StorageDoubleMap<
         _,
         Identity,
         u16,
@@ -883,6 +883,9 @@ pub mod pallet {
     pub type TotalIssuance<T> = StorageValue<_, u64, ValueQuery, DefaultTotalIssuance<T>>;
     #[pallet::storage] // --- ITEM ( total_stake )
     pub type TotalStake<T> = StorageValue<_, u64, ValueQuery>;
+    #[pallet::storage] // --- DMAP ( netuid ) --> total_volume | The total amount of TAO bought and sold since the start of the network.
+    pub type SubnetVolume<T: Config> =
+        StorageMap<_, Identity, u16, u64, ValueQuery, DefaultZeroU64<T>>;
     #[pallet::storage] // --- DMAP ( netuid ) --> tao_in_subnet | Returns the amount of TAO in the subnet.
     pub type SubnetTAO<T: Config> =
         StorageMap<_, Identity, u16, u64, ValueQuery, DefaultZeroU64<T>>;

pallets/subtensor/src/rpc_info/stake_info.rs

@@ -35,7 +35,7 @@ impl<T: Config> Pallet<T> {
                     let alpha: u64 = Self::get_stake_for_hotkey_and_coldkey_on_subnet(
                         hotkey_i, coldkey_i, *netuid_i,
                     );
-                    let emission: u64 = HotkeyDividendsPerSubnet::<T>::get(*netuid_i, &hotkey_i);
+                    let emission: u64 = AlphaDividendsPerSubnet::<T>::get(*netuid_i, &hotkey_i);
                     let is_registered: bool =
                         Self::is_hotkey_registered_on_network(*netuid_i, hotkey_i);
                     stake_info_for_coldkey.push(StakeInfo {

pallets/subtensor/src/staking/stake_utils.rs

@@ -482,6 +482,7 @@ impl<T: Config> Pallet<T> {
     ///
     /// Updates TaoIn, AlphaIn, and AlphaOut
     pub fn swap_tao_for_alpha(netuid: u16, tao: u64) -> u64 {
+
         // Step 1: Get the mechanism type for the subnet (0 for Stable, 1 for Dynamic)
         let mechanism_id: u16 = SubnetMechanism::<T>::get(netuid);
         // Step 2: Initialized vars.
@@ -517,7 +518,11 @@ impl<T: Config> Pallet<T> {
         TotalStake::<T>::mutate(|total| {
             *total = total.saturating_add(tao);
         });
-        // Step 8. Return the alpha received.
+        // Step 8. Decrease Alpha reserves.
+        SubnetVolume::<T>::mutate(netuid, |total| {
+            *total = total.saturating_sub(tao);
+        });
+        // Step 9. Return the alpha received.
         alpha.to_num::<u64>()
     }
 
@@ -560,7 +565,11 @@ impl<T: Config> Pallet<T> {
         TotalStake::<T>::mutate(|total| {
             *total = total.saturating_sub(tao.to_num::<u64>());
         });
-        // Step 8. Return the tao received.
+        // Step 8. Decrease Alpha reserves.
+        SubnetVolume::<T>::mutate(netuid, |total| {
+            *total = total.saturating_sub(tao.to_num::<u64>());
+        });
+        // Step 9. Return the tao received.
         tao.to_num::<u64>()
     }