add block when the subnet transitioned to dtao

Author: unconst

pallets/subtensor/src/lib.rs

@@ -970,7 +970,10 @@ pub mod pallet {
     #[pallet::storage] // --- DMAP ( netuid ) --> subnet_name | Returns the name of the subnet.
     pub type SubnetName<T: Config> =
         StorageMap<_, Identity, u16, Vec<u8>, ValueQuery, DefaultUnicodeVecU8<T>>;
-
+    #[pallet::storage] // --- DMAP ( netuid ) --> block_at_dtao_transition | Returns the block when the subnet transitioned to DTAO.
+    pub type DynamicBlock<T: Config> =
+        StorageMap<_, Identity, u16, u64, ValueQuery, DefaultUnicodeVecU8<T>>;
+    
     /// ============================
     /// ==== Global Parameters =====
     /// ============================

pallets/subtensor/src/migrations/migrate_rao.rs

@@ -59,6 +59,7 @@ pub fn migrate_rao<T: Config>() -> Weight {
     // Set global weight to 18% from the start
     TaoWeight::<T>::set(332_041_393_326_771_929);
     for netuid in netuids.iter().clone() {
+        DynamicBlock::<T>::insert(netuid, Pallet::<T>::get_current_block_as_u64() );
         if *netuid == 0 {
             // Give root a single RAO in pool to avoid any catestrophic division by zero.
             SubnetAlphaIn::<T>::insert(netuid, 1);

pallets/subtensor/src/subnets/subnet.rs

@@ -226,6 +226,7 @@ impl<T: Config> Pallet<T> {
         // --- 11. Set the creation terms.
         NetworkLastRegistered::<T>::set(current_block);
         NetworkRegisteredAt::<T>::insert(netuid_to_register, current_block);
+        DynamicBlock::<T>::insert( netuid_to_register, current_block );
 
         // --- 14. Init the pool by putting the lock as the initial alpha.
         TokenSymbol::<T>::insert(
@@ -247,7 +248,7 @@ impl<T: Config> Pallet<T> {
         SubnetAlphaIn::<T>::insert(netuid_to_register, pool_initial_tao);
         SubnetOwner::<T>::insert(netuid_to_register, coldkey.clone());
         SubnetOwnerHotkey::<T>::insert(netuid_to_register, hotkey.clone());
-
+        
         if actual_tao_lock_amount_less_pool_tao > 0 {
             Self::burn_tokens(actual_tao_lock_amount_less_pool_tao);
         }