Remove unused ProposalBond parameter

substrate/frame/treasury/src/benchmarking.rs

@@ -64,7 +64,7 @@ fn setup_proposal<T: Config<I>, I: 'static>(
 	u: u32,
 ) -> (T::AccountId, BalanceOf<T, I>, AccountIdLookupOf<T>) {
 	let caller = account("caller", u, SEED);
-	let value: BalanceOf<T, I> = T::ProposalBondMinimum::get().saturating_mul(100u32.into());
+	let value: BalanceOf<T, I> = 100u32.try_into().ok().unwrap();
 	let _ = T::Currency::make_free_balance_be(&caller, value);
 	let beneficiary = account("beneficiary", u, SEED);
 	let beneficiary_lookup = T::Lookup::unlookup(beneficiary);

substrate/frame/treasury/src/lib.rs

@@ -213,19 +213,6 @@ pub mod pallet {
 		/// Handler for the unbalanced decrease when slashing for a rejected proposal or bounty.
 		type OnSlash: OnUnbalanced<NegativeImbalanceOf<Self, I>>;
 
-		/// Fraction of a proposal's value that should be bonded in order to place the proposal.
-		/// An accepted proposal gets these back. A rejected proposal does not.
-		#[pallet::constant]
-		type ProposalBond: Get<Permill>;
-
-		/// Minimum amount of funds that should be placed in a deposit for making a proposal.
-		#[pallet::constant]
-		type ProposalBondMinimum: Get<BalanceOf<Self, I>>;
-
-		/// Maximum amount of funds that should be placed in a deposit for making a proposal.
-		#[pallet::constant]
-		type ProposalBondMaximum: Get<Option<BalanceOf<Self, I>>>;
-
 		/// Period between successive spends.
 		#[pallet::constant]
 		type SpendPeriod: Get<BlockNumberFor<Self>>;
@@ -806,15 +793,6 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
 		T::PalletId::get().into_account_truncating()
 	}
 
-	/// The needed bond for a proposal whose spend is `value`.
-	fn calculate_bond(value: BalanceOf<T, I>) -> BalanceOf<T, I> {
-		let mut r = T::ProposalBondMinimum::get().max(T::ProposalBond::get() * value);
-		if let Some(m) = T::ProposalBondMaximum::get() {
-			r = r.min(m);
-		}
-		r
-	}
-
 	/// Spend some money! returns number of approvals before spend.
 	pub fn spend_funds() -> Weight {
 		let mut total_weight = Weight::zero();

substrate/frame/treasury/src/tests.rs

@@ -136,7 +136,6 @@ impl Pay for TestPay {
 }
 
 parameter_types! {
-	pub const ProposalBond: Permill = Permill::from_percent(5);
 	pub const Burn: Permill = Permill::from_percent(50);
 	pub const TreasuryPalletId: PalletId = PalletId(*b"py/trsry");
 	pub TreasuryAccount: u128 = Treasury::account_id();
@@ -178,9 +177,6 @@ impl Config for Test {
 	type RejectOrigin = frame_system::EnsureRoot<u128>;
 	type RuntimeEvent = RuntimeEvent;
 	type OnSlash = ();
-	type ProposalBond = ProposalBond;
-	type ProposalBondMinimum = ConstU64<1>;
-	type ProposalBondMaximum = ();
 	type SpendPeriod = ConstU64<2>;
 	type Burn = Burn;
 	type BurnDestination = (); // Just gets burned.