Feature/plmc 240 implement automatic funding payout to issuer for bids

pallets/funding/src/functions.rs

@@ -616,7 +616,7 @@ impl<T: Config> Pallet<T> {
 				project_id,
 				project_details,
 				SuccessReason::ReachedTarget,
-				1u32.into(),
+				T::SuccessToSettlementTime::get(),
 			)
 		}
 	}
@@ -1517,11 +1517,48 @@ impl<T: Config> Pallet<T> {
 	}
 
 	pub fn do_payout_bid_funds_for(
-		_caller: AccountIdOf<T>,
-		_project_id: T::ProjectIdentifier,
-		_bidder: AccountIdOf<T>,
-		_bid_id: StorageItemIdOf<T>,
+		caller: AccountIdOf<T>,
+		project_id: T::ProjectIdentifier,
+		bidder: AccountIdOf<T>,
+		bid_id: StorageItemIdOf<T>,
 	) -> Result<(), DispatchError> {
+		// * Get variables *
+		let project_details = ProjectsDetails::<T>::get(project_id).ok_or(Error::<T>::ProjectInfoNotFound)?;
+		let mut bid = Bids::<T>::get((project_id, bidder.clone(), bid_id)).ok_or(Error::<T>::BidNotFound)?;
+
+		// * Validity checks *
+		ensure!(
+			project_details.status == ProjectStatus::FundingSuccessful &&
+				matches!(bid.status, BidStatus::Accepted | BidStatus::PartiallyAccepted(..)),
+			Error::<T>::NotAllowed
+		);
+
+		// * Calculate variables *
+		let issuer = project_details.issuer;
+		let project_pot = Self::fund_account_id(project_id);
+		let payout_amount = bid.funding_asset_amount_locked;
+		let payout_asset = bid.funding_asset;
+
+		// * Update storage *
+		T::FundingCurrency::transfer(
+			payout_asset.to_statemint_id(),
+			&project_pot,
+			&issuer,
+			payout_amount,
+			Preservation::Expendable,
+		)?;
+		bid.funds_released = true;
+		Bids::<T>::insert((project_id, bidder.clone(), bid_id), bid);
+
+		// * Emit events *
+		Self::deposit_event(Event::<T>::BidFundingPaidOut {
+			project_id,
+			bidder: bidder.clone(),
+			id: bid_id,
+			amount: payout_amount,
+			caller,
+		});
+
 		Ok(())
 	}
 }

pallets/funding/src/impls.rs

@@ -600,7 +600,7 @@ fn issuer_funding_payout_one_bid<T: Config>(project_id: T::ProjectIdentifier) ->
 
 	let mut remaining_bids = project_bids.filter(|bid| !bid.funds_released);
 
-	if let Some(mut bid) = remaining_bids.next() {
+	if let Some(bid) = remaining_bids.next() {
 		match Pallet::<T>::do_payout_bid_funds_for(
 			T::PalletId::get().into_account_truncating(),
 			bid.project_id,
@@ -615,14 +615,7 @@ fn issuer_funding_payout_one_bid<T: Config>(project_id: T::ProjectIdentifier) ->
 				error: e,
 			}),
 		};
-
-		bid.funds_released = true;
-
-		Bids::<T>::insert((project_id, bid.bidder.clone(), bid.id), bid);
-
-		// (Weight::zero(), remaining_bids.count() as u64)
-		// TODO: Remove this when function is implemented
-		(Weight::zero(), 0u64)
+		(Weight::zero(), remaining_bids.count() as u64)
 	} else {
 		(Weight::zero(), 0u64)
 	}

pallets/funding/src/lib.rs

@@ -658,6 +658,13 @@ pub mod pallet {
 			amount: BalanceOf<T>,
 			caller: AccountIdOf<T>,
 		},
+		BidFundingPaidOut {
+			project_id: ProjectIdOf<T>,
+			bidder: AccountIdOf<T>,
+			id: StorageItemIdOf<T>,
+			amount: BalanceOf<T>,
+			caller: AccountIdOf<T>,
+		},
 	}
 
 	#[pallet::error]