code/pallets/subtensor/src/migrations/migrate_network_lock_reduction_interval.rs
use super::*;
use frame_support::{traits::Get, weights::Weight};
use log;
use scale_info::prelude::string::String;
pub fn migrate_network_lock_reduction_interval<T: Config>() -> Weight {
const FOUR_DAYS: u64 = 28_800;
const EIGHT_DAYS: u64 = 57_600;
const ONE_WEEK_BLOCKS: u64 = 50_400;
let migration_name = b"migrate_network_lock_reduction_interval".to_vec();
let mut weight = T::DbWeight::get().reads(1);
// Skip if already executed
if HasMigrationRun::<T>::get(&migration_name) {
log::info!(
target: "runtime",
"Migration '{}' already run - skipping.",
String::from_utf8_lossy(&migration_name)
);
return weight;
}
let current_block = Pallet::<T>::get_current_block_as_u64();
// ── 1) Set new values ─────────────────────────────────────────────────
NetworkLockReductionInterval::<T>::put(EIGHT_DAYS);
weight = weight.saturating_add(T::DbWeight::get().writes(1));
NetworkRateLimit::<T>::put(FOUR_DAYS);
weight = weight.saturating_add(T::DbWeight::get().writes(1));
Pallet::<T>::set_network_last_lock(TaoBalance::from(1_000_000_000_000_u64));
weight = weight.saturating_add(T::DbWeight::get().writes(1));
// Hold price at 2000 TAO until day 7, then begin linear decay
Pallet::<T>::set_network_last_lock_block(current_block.saturating_add(ONE_WEEK_BLOCKS));
weight = weight.saturating_add(T::DbWeight::get().writes(1));
// Allow registrations starting at day 7
NetworkRegistrationStartBlock::<T>::put(current_block.saturating_add(ONE_WEEK_BLOCKS));
weight = weight.saturating_add(T::DbWeight::get().writes(1));
// ── 2) Mark migration done ───────────────────────────────────────────
HasMigrationRun::<T>::insert(&migration_name, true);
weight = weight.saturating_add(T::DbWeight::get().writes(1));
log::info!(
target: "runtime",
"Migration '{}' completed.",
String::from_utf8_lossy(&migration_name),
);
weight
}