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reuse canonical alpha iterator helper #2929

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Merged
UnArbosSix merged 1 commit into from
Jul 16, 2026
+2 −14
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reuse canonical alpha iterator helper #2929

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16 changes: 2 additions & 14 deletions pallets/subtensor/src/swap/swap_hotkey.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -27,20 +27,8 @@ impl<T: Config> Pallet<T> {
/// Read and merge the old hotkey's V1/V2 stake rows once. V2 keeps the
/// existing precedence over a duplicate legacy row.
fn prepare_hotkey_stake(old_hotkey: &T::AccountId) -> PreparedHotkeyStake<T::AccountId> {
let mut merged: BTreeMap<(T::AccountId, NetUid), SafeFloat> = BTreeMap::new();

for ((coldkey, netuid), alpha) in Alpha::<T>::iter_prefix((old_hotkey,)) {
merged.insert((coldkey, netuid), alpha.into());
}

for ((coldkey, netuid), alpha) in AlphaV2::<T>::iter_prefix((old_hotkey,)) {
merged.insert((coldkey, netuid), alpha);
}

let positions: Vec<(T::AccountId, NetUid, SafeFloat)> = merged
.into_iter()
.map(|((coldkey, netuid), alpha)| (coldkey, netuid, alpha))
.collect();
let positions: Vec<(T::AccountId, NetUid, SafeFloat)> =
Self::alpha_iter_single_prefix(old_hotkey).collect();
let mut coldkeys_by_netuid: BTreeMap<NetUid, Vec<T::AccountId>> = BTreeMap::new();

for (coldkey, netuid, _) in &positions {
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