How to activate the staking

aptos-move/move-examples/scripts/update_reconfiguration/sources/change_epoch_duration.move

@@ -2,8 +2,9 @@ script {
     use aptos_framework::aptos_governance;
     use aptos_framework::block;
 
-    fun main(core_resources: &signer) {
+    // for new_epoch_duration 200_000_000 indicate 200secs.
+    fun change_epoch_duration(core_resources: &signer, new_epoch_duration: u64) {
         let core_signer = aptos_governance::get_signer_testnet_only(core_resources, @0000000000000000000000000000000000000000000000000000000000000001);
-        block::update_epoch_interval_microsecs(&core_signer, 200_000_000); // 200 secs
+        block::update_epoch_interval_microsecs(&core_signer, new_epoch_duration);
     }
 }

aptos-move/move-examples/scripts/update_reconfiguration/sources/initialize_governed_gas_pool_extension.move

@@ -0,0 +1,9 @@
+script {
+    use aptos_framework::aptos_governance;
+    use aptos_framework::governed_gas_pool;
+
+    fun initialize_governed_gas_pool_extension(core_resources: &signer) {
+        let core_signer = aptos_governance::get_signer_testnet_only(core_resources, @0000000000000000000000000000000000000000000000000000000000000001);
+        governed_gas_pool::initialize_governed_gas_pool_extension(&core_signer);
+    }
+}

aptos-move/move-examples/scripts/update_reconfiguration/sources/update_rewards_rate.move

@@ -0,0 +1,13 @@
+script {
+    use aptos_framework::staking_config;
+    use aptos_framework::aptos_governance;
+
+    /// Update the reward rate. Reward rate must be >0 to start getting rewards.
+    /// Example of values: new_rewards_rate :15981 new_rewards_rate_denominator: 1000000000
+    fun update_rewards_rate(core_resources: &signer, new_rewards_rate: u64, new_rewards_rate_denominator: u64) {
+        let core_signer = aptos_governance::get_signer_testnet_only(core_resources, @0000000000000000000000000000000000000000000000000000000000000001);
+        staking_config::update_rewards_rate(&core_signer, new_rewards_rate, new_rewards_rate_denominator);
+
+        aptos_governance::reconfigure(&core_signer);
+    }
+}