feat(pallets/subspace): update parameters of proposals

pallets/subspace/src/global.rs

@@ -39,6 +39,7 @@ impl<T: Config> Pallet<T> {
     pub fn check_global_params(params: &GlobalParams<T>) -> DispatchResult {
         // checks if params are valid
         let old_params = Self::global_params();
+        let floor_founder_share = FloorFounderShare::<T>::get() as u16;
 
         // check if the name already exists
         ensure!(params.max_name_length > 0, Error::<T>::InvalidMaxNameLength);
@@ -91,6 +92,12 @@ impl<T: Config> Pallet<T> {
             Error::<T>::InvalidUnitEmission
         );
 
+        // Make sure of floor founder share
+        ensure!(
+            floor_founder_share >= params.founder_share,
+            Error::<T>::InvalidFounderShare
+        );
+
         // Make sure that the burn rate is below 100%
         ensure!(params.burn_rate <= 100, Error::<T>::InvalidBurnRate);