Merge pull request #259 from opentensor/fix_weights

fix weights issue

Author: unconst

pallets/subtensor/src/epoch.rs

@@ -733,7 +733,13 @@ impl<T: Config> Pallet<T> {
         for (uid_i, weights_i) in
             <Weights<T> as IterableStorageDoubleMap<u16, u16, Vec<(u16, u16)>>>::iter_prefix(netuid)
         {
+            if uid_i >= n as u16 {
+                continue;
+            }
             for (uid_j, weight_ij) in weights_i.iter() {
+                if *uid_j >= n as u16 {
+                    continue;
+                }
                 weights[uid_i as usize].push((*uid_j, I32F32::from_num(*weight_ij)));
             }
         }

pallets/subtensor/src/root.rs

@@ -825,6 +825,9 @@ impl<T: Config> Pallet<T> {
         let _ = Keys::<T>::clear_prefix(netuid, u32::max_value(), None);
         let _ = Bonds::<T>::clear_prefix(netuid, u32::max_value(), None);
 
+        // --- 8. Removes the weights for this subnet (do not remove).
+        let _ = Weights::<T>::clear_prefix(netuid, u32::max_value(), None);
+
         // --- 9. Iterate over stored weights and fill the matrix.
         for (uid_i, weights_i) in
             <Weights<T> as IterableStorageDoubleMap<u16, u16, Vec<(u16, u16)>>>::iter_prefix(

runtime/src/lib.rs

@@ -121,7 +121,7 @@ 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: 143,
+    spec_version: 144,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,