Merge pull request #2029 from opentensor/recycle_alpha_helper

add recycle alpha helper function

Author: open-junius

pallets/subtensor/src/coinbase/run_coinbase.rs

@@ -830,7 +830,7 @@ impl<T: Config> Pallet<T> {
                 parent_emission = parent_emission.saturating_sub(child_take);
                 total_child_take = total_child_take.saturating_add(child_take);
 
-                Self::burn_subnet_alpha(
+                Self::recycle_subnet_alpha(
                     netuid,
                     AlphaCurrency::from(burn_take.saturating_to_num::<u64>()),
                 );

pallets/subtensor/src/staking/helpers.rs

@@ -322,7 +322,7 @@ impl<T: Config> Pallet<T> {
         T::SwapInterface::is_user_liquidity_enabled(netuid)
     }
 
-    pub fn burn_subnet_alpha(netuid: NetUid, amount: AlphaCurrency) {
+    pub fn recycle_subnet_alpha(netuid: NetUid, amount: AlphaCurrency) {
         SubnetAlphaOut::<T>::mutate(netuid, |total| {
             *total = total.saturating_sub(amount);
         });

pallets/subtensor/src/staking/recycle_alpha.rs

@@ -1,6 +1,6 @@
 use super::*;
 use crate::{Error, system::ensure_signed};
-use subtensor_runtime_common::{AlphaCurrency, Currency, NetUid};
+use subtensor_runtime_common::{AlphaCurrency, NetUid};
 
 impl<T: Config> Pallet<T> {
     /// Recycles alpha from a cold/hot key pair, reducing AlphaOut on a subnet
@@ -59,9 +59,7 @@ impl<T: Config> Pallet<T> {
         );
 
         // Recycle means we should decrease the alpha issuance tracker.
-        SubnetAlphaOut::<T>::mutate(netuid, |total| {
-            *total = total.saturating_sub(actual_alpha_decrease);
-        });
+        Self::recycle_subnet_alpha(netuid, amount);
 
         Self::deposit_event(Event::AlphaRecycled(
             coldkey,

runtime/src/lib.rs

@@ -220,7 +220,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 312,
+    spec_version: 313,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,