git.delta.rocks / unique-network / refs/commits / 9ed680cd71d4

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -17,7 +17,7 @@
 	TokenId, Weight, WithdrawReasons, CollectionStats, MAX_TOKEN_OWNERSHIP, CollectionMode,
 	NFT_SPONSOR_TRANSFER_TIMEOUT, FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,
 	REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MAX_SPONSOR_TIMEOUT, CUSTOM_DATA_LIMIT, CollectionLimits,
-	CustomDataLimit, CreateCollectionData, SponsorshipState,
+	CustomDataLimit, CreateCollectionData, SponsorshipState, CreateItemExData,
 };
 pub use pallet::*;
 use sp_core::H160;
@@ -624,9 +624,10 @@
 }
 
 /// Worst cases
-pub trait CommonWeightInfo {
+pub trait CommonWeightInfo<CrossAccountId> {
 	fn create_item() -> Weight;
 	fn create_multiple_items(amount: u32) -> Weight;
+	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;
 	fn burn_item() -> Weight;
 	fn transfer() -> Weight;
 	fn approve() -> Weight;
@@ -648,6 +649,11 @@
 		to: T::CrossAccountId,
 		data: Vec<CreateItemData>,
 	) -> DispatchResultWithPostInfo;
+	fn create_multiple_items_ex(
+		&self,
+		sender: T::CrossAccountId,
+		data: CreateItemExData<T::CrossAccountId>,
+	) -> DispatchResultWithPostInfo;
 	fn burn_item(
 		&self,
 		sender: T::CrossAccountId,

--- a/pallets/fungible/src/benchmarking.rs
+++ b/pallets/fungible/src/benchmarking.rs
@@ -4,7 +4,7 @@
 use sp_std::prelude::*;
 use pallet_common::benchmarking::create_collection_raw;
 use frame_benchmarking::{benchmarks, account};
-use up_data_structs::{CollectionMode};
+use up_data_structs::{CollectionMode, MAX_ITEMS_PER_BATCH};
 use pallet_common::bench_init;
 
 const SEED: u32 = 1;
@@ -26,6 +26,18 @@
 		};
 	}: {<Pallet<T>>::create_item(&collection, &sender, (to, 200))?}
 
+	create_multiple_items_ex {
+		let b in 0..MAX_ITEMS_PER_BATCH;
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			sender: cross_from_sub(owner);
+		};
+		let data = (0..b).map(|i| {
+			bench_init!(to: cross_sub(i););
+			(to, 200)
+		}).collect::<BTreeMap<_, _>>().try_into().unwrap();
+	}: {<Pallet<T>>::create_multiple_items(&collection, &sender, data)}
+
 	burn_item {
 		bench_init!{
 			owner: sub; collection: collection(owner);

--- a/pallets/fungible/src/common.rs
+++ b/pallets/fungible/src/common.rs
@@ -1,7 +1,7 @@
 use core::marker::PhantomData;
 
 use frame_support::{dispatch::DispatchResultWithPostInfo, ensure, fail, weights::Weight, BoundedVec};
-use up_data_structs::TokenId;
+use up_data_structs::{TokenId, CreateItemExData};
 use pallet_common::{CommonCollectionOperations, CommonWeightInfo, with_weight};
 use sp_runtime::ArithmeticError;
 use sp_std::{vec::Vec, vec};
@@ -21,6 +21,15 @@
 		Self::create_item()
 	}
 
+	fn create_multiple_items_ex(data: &CreateItemExData<T::CrossAccountId>) -> Weight {
+		match data {
+			CreateItemExData::Fungible(f) => {
+				<SelfWeightOf<T>>::create_multiple_items_ex(f.len() as u32)
+			}
+			_ => 0,
+		}
+	}
+
 	fn burn_item() -> Weight {
 		<SelfWeightOf<T>>::burn_item()
 	}
@@ -87,6 +96,23 @@
 		)
 	}
 
+	fn create_multiple_items_ex(
+		&self,
+		sender: <T>::CrossAccountId,
+		data: up_data_structs::CreateItemExData<<T>::CrossAccountId>,
+	) -> DispatchResultWithPostInfo {
+		let weight = <CommonWeights<T>>::create_multiple_items_ex(&data);
+		let data = match data {
+			up_data_structs::CreateItemExData::Fungible(f) => f,
+			_ => fail!(<Error<T>>::NotFungibleDataUsedToMintFungibleCollectionToken),
+		};
+
+		with_weight(
+			<Pallet<T>>::create_multiple_items(self, &sender, data.into_inner()),
+			weight,
+		)
+	}
+
 	fn burn_item(
 		&self,
 		sender: T::CrossAccountId,

--- a/pallets/fungible/src/lib.rs
+++ b/pallets/fungible/src/lib.rs
@@ -392,6 +392,6 @@
 		sender: &T::CrossAccountId,
 		data: CreateItemData<T>,
 	) -> DispatchResult {
-		Self::create_multiple_items(collection, sender, vec![data])
+		Self::create_multiple_items(collection, sender, [(data.0, data.1)].into_iter().collect())
 	}
 }

--- a/pallets/fungible/src/weights.rs
+++ b/pallets/fungible/src/weights.rs
@@ -33,6 +33,7 @@
 /// Weight functions needed for pallet_fungible.
 pub trait WeightInfo {
 	fn create_item() -> Weight;
+	fn create_multiple_items_ex(b: u32, ) -> Weight;
 	fn burn_item() -> Weight;
 	fn transfer() -> Weight;
 	fn approve() -> Weight;
@@ -51,6 +52,17 @@
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
 	// Storage: Fungible TotalSupply (r:1 w:1)
+	// Storage: Fungible Balance (r:4 w:4)
+	fn create_multiple_items_ex(b: u32, ) -> Weight {
+		(1_055_000 as Weight)
+			// Standard Error: 22_000
+			.saturating_add((5_273_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+			.saturating_add(T::DbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+			.saturating_add(T::DbWeight::get().writes((1 as Weight).saturating_mul(b as Weight)))
+	}
+	// Storage: Fungible TotalSupply (r:1 w:1)
 	// Storage: Fungible Balance (r:1 w:1)
 	fn burn_item() -> Weight {
 		(14_096_000 as Weight)
@@ -97,6 +109,17 @@
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 	}
 	// Storage: Fungible TotalSupply (r:1 w:1)
+	// Storage: Fungible Balance (r:4 w:4)
+	fn create_multiple_items_ex(b: u32, ) -> Weight {
+		(1_055_000 as Weight)
+			// Standard Error: 22_000
+			.saturating_add((5_273_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+			.saturating_add(RocksDbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+			.saturating_add(RocksDbWeight::get().writes((1 as Weight).saturating_mul(b as Weight)))
+	}
+	// Storage: Fungible TotalSupply (r:1 w:1)
 	// Storage: Fungible Balance (r:1 w:1)
 	fn burn_item() -> Weight {
 		(14_096_000 as Weight)

--- a/pallets/nonfungible/src/benchmarking.rs
+++ b/pallets/nonfungible/src/benchmarking.rs
@@ -56,6 +56,16 @@
 		let data = (0..b).map(|_| create_max_item_data::<T>(to.clone())).collect();
 	}: {<Pallet<T>>::create_multiple_items(&collection, &sender, data)?}
 
+	create_multiple_items_ex {
+		let b in 0..MAX_ITEMS_PER_BATCH;
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			sender: cross_from_sub(owner);
+		};
+		let data = (0..b).map(|i| {
+			bench_init!(to: cross_sub(i););
+			create_max_item_data::<T>(to)
+		}).collect();
 	}: {<Pallet<T>>::create_multiple_items(&collection, &sender, data)?}
 
 	burn_item {

--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -2,7 +2,9 @@
 
 use erc::ERC721Events;
 use frame_support::{BoundedVec, ensure};
-use up_data_structs::{AccessMode, CollectionId, CustomDataLimit, TokenId, CreateCollectionData};
+use up_data_structs::{
+	AccessMode, CollectionId, CustomDataLimit, TokenId, CreateCollectionData, CreateNftExData,
+};
 use pallet_common::{
 	Error as CommonError, Pallet as PalletCommon, Event as CommonEvent, account::CrossAccountId,
 };
@@ -22,11 +24,7 @@
 pub mod erc;
 pub mod weights;
 
-pub struct CreateItemData<T: Config> {
-	pub const_data: BoundedVec<u8, CustomDataLimit>,
-	pub variable_data: BoundedVec<u8, CustomDataLimit>,
-	pub owner: T::CrossAccountId,
-}
+pub type CreateItemData<T> = CreateNftExData<<T as pallet_common::Config>::CrossAccountId>;
 pub(crate) type SelfWeightOf<T> = <T as Config>::WeightInfo;
 
 #[derive(Encode, Decode, TypeInfo, MaxEncodedLen)]

--- a/pallets/nonfungible/src/weights.rs
+++ b/pallets/nonfungible/src/weights.rs
@@ -34,6 +34,7 @@
 pub trait WeightInfo {
 	fn create_item() -> Weight;
 	fn create_multiple_items(b: u32, ) -> Weight;
+	fn create_multiple_items_ex(b: u32, ) -> Weight;
 	fn burn_item() -> Weight;
 	fn transfer() -> Weight;
 	fn approve() -> Weight;
@@ -66,6 +67,19 @@
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes((2 as Weight).saturating_mul(b as Weight)))
 	}
+	// Storage: Nonfungible TokensMinted (r:1 w:1)
+	// Storage: Nonfungible AccountBalance (r:4 w:4)
+	// Storage: Nonfungible TokenData (r:0 w:4)
+	// Storage: Nonfungible Owned (r:0 w:4)
+	fn create_multiple_items_ex(b: u32, ) -> Weight {
+		(2_090_000 as Weight)
+			// Standard Error: 10_000
+			.saturating_add((9_230_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+			.saturating_add(T::DbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+			.saturating_add(T::DbWeight::get().writes((3 as Weight).saturating_mul(b as Weight)))
+	}
 	// Storage: Nonfungible TokenData (r:1 w:1)
 	// Storage: Nonfungible TokensBurnt (r:1 w:1)
 	// Storage: Nonfungible Allowance (r:1 w:0)
@@ -140,6 +154,19 @@
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes((2 as Weight).saturating_mul(b as Weight)))
 	}
+	// Storage: Nonfungible TokensMinted (r:1 w:1)
+	// Storage: Nonfungible AccountBalance (r:4 w:4)
+	// Storage: Nonfungible TokenData (r:0 w:4)
+	// Storage: Nonfungible Owned (r:0 w:4)
+	fn create_multiple_items_ex(b: u32, ) -> Weight {
+		(2_090_000 as Weight)
+			// Standard Error: 10_000
+			.saturating_add((9_230_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+			.saturating_add(RocksDbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+			.saturating_add(RocksDbWeight::get().writes((3 as Weight).saturating_mul(b as Weight)))
+	}
 	// Storage: Nonfungible TokenData (r:1 w:1)
 	// Storage: Nonfungible TokensBurnt (r:1 w:1)
 	// Storage: Nonfungible Allowance (r:1 w:0)

--- a/pallets/refungible/src/benchmarking.rs
+++ b/pallets/refungible/src/benchmarking.rs
@@ -31,7 +31,8 @@
 	sender: &T::CrossAccountId,
 	users: impl IntoIterator<Item = (T::CrossAccountId, u128)>,
 ) -> Result<TokenId, DispatchError> {
-	<Pallet<T>>::create_item(&collection, sender, create_max_item_data(users))?;
+	let data: CreateRefungibleExData<T::CrossAccountId> = create_max_item_data(users);
+	<Pallet<T>>::create_item(&collection, sender, data)?;
 	Ok(TokenId(<TokensMinted<T>>::get(&collection.id)))
 }
 
@@ -60,6 +61,30 @@
 		let data = (0..b).map(|_| create_max_item_data([(to.clone(), 200)])).collect();
 	}: {<Pallet<T>>::create_multiple_items(&collection, &sender, data)?}
 
+	create_multiple_items_ex_multiple_items {
+		let b in 0..MAX_ITEMS_PER_BATCH;
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			sender: cross_from_sub(owner);
+		};
+		let data = (0..b).map(|t| {
+			bench_init!(to: cross_sub(t););
+			create_max_item_data([(to, 200)])
+		}).collect();
+	}: {<Pallet<T>>::create_multiple_items(&collection, &sender, data)?}
+
+	create_multiple_items_ex_multiple_owners {
+		let b in 0..MAX_ITEMS_PER_BATCH;
+		bench_init!{
+			owner: sub; collection: collection(owner);
+			sender: cross_from_sub(owner);
+		};
+		let data = vec![create_max_item_data((0..b).map(|u| {
+			bench_init!(to: cross_sub(u););
+			(to, 200)
+		}))].try_into().unwrap();
+	}: {<Pallet<T>>::create_multiple_items(&collection, &sender, data)?}
+
 	// Other user left, token data is kept
 	burn_item_partial {
 		bench_init!{
@@ -170,6 +195,6 @@
 			sender: cross_from_sub(owner);
 		};
 		let item = create_max_item(&collection, &sender, [(sender.clone(), 200)])?;
-		let data = create_data(b as usize);
+		let data = create_var_data(b).try_into().unwrap();
 	}: {<Pallet<T>>::set_variable_metadata(&collection, &sender, item, data)?}
 }

--- a/pallets/refungible/src/common.rs
+++ b/pallets/refungible/src/common.rs
@@ -2,10 +2,10 @@
 
 use sp_std::collections::btree_map::BTreeMap;
 use frame_support::{dispatch::DispatchResultWithPostInfo, fail, weights::Weight, BoundedVec};
-use up_data_structs::{TokenId, CustomDataLimit};
+use up_data_structs::{TokenId, CustomDataLimit, CreateItemExData, CreateRefungibleExData};
 use pallet_common::{CommonCollectionOperations, CommonWeightInfo, with_weight};
 use sp_runtime::DispatchError;
-use sp_std::vec::Vec;
+use sp_std::{vec::Vec, vec};
 
 use crate::{
 	AccountBalance, Allowance, Balance, Config, Error, Owned, Pallet, RefungibleHandle,
@@ -31,6 +31,18 @@
 		<SelfWeightOf<T>>::create_multiple_items(amount)
 	}
 
+	fn create_multiple_items_ex(call: &CreateItemExData<T::CrossAccountId>) -> Weight {
+		match call {
+			CreateItemExData::RefungibleMultipleOwners(i) => {
+				<SelfWeightOf<T>>::create_multiple_items_ex_multiple_owners(i.users.len() as u32)
+			}
+			CreateItemExData::RefungibleMultipleItems(i) => {
+				<SelfWeightOf<T>>::create_multiple_items_ex_multiple_items(i.len() as u32)
+			}
+			_ => 0,
+		}
+	}
+
 	fn burn_item() -> Weight {
 		max_weight_of!(burn_item_partial(), burn_item_fully())
 	}
@@ -69,15 +81,15 @@
 fn map_create_data<T: Config>(
 	data: up_data_structs::CreateItemData,
 	to: &T::CrossAccountId,
-) -> Result<CreateItemData<T>, DispatchError> {
+) -> Result<CreateRefungibleExData<T::CrossAccountId>, DispatchError> {
 	match data {
-		up_data_structs::CreateItemData::ReFungible(data) => Ok(CreateItemData {
+		up_data_structs::CreateItemData::ReFungible(data) => Ok(CreateRefungibleExData {
 			const_data: data.const_data,
 			variable_data: data.variable_data,
 			users: {
 				let mut out = BTreeMap::new();
 				out.insert(to.clone(), data.pieces);
-				out
+				out.try_into().expect("limit > 0")
 			},
 		}),
 		_ => fail!(<Error<T>>::NotRefungibleDataUsedToMintFungibleCollectionToken),
@@ -92,7 +104,7 @@
 		data: up_data_structs::CreateItemData,
 	) -> DispatchResultWithPostInfo {
 		with_weight(
-			<Pallet<T>>::create_item(self, &sender, map_create_data(data, &to)?),
+			<Pallet<T>>::create_item(self, &sender, map_create_data::<T>(data, &to)?),
 			<CommonWeights<T>>::create_item(),
 		)
 	}
@@ -115,6 +127,28 @@
 		)
 	}
 
+	fn create_multiple_items_ex(
+		&self,
+		sender: <T>::CrossAccountId,
+		data: CreateItemExData<T::CrossAccountId>,
+	) -> DispatchResultWithPostInfo {
+		let weight = <CommonWeights<T>>::create_multiple_items_ex(&data);
+		let data = match data {
+			CreateItemExData::RefungibleMultipleOwners(r) => vec![r],
+			CreateItemExData::RefungibleMultipleItems(r)
+				if r.iter().all(|i| i.users.len() == 1) =>
+			{
+				r.into_inner()
+			}
+			_ => fail!(<Error<T>>::NotRefungibleDataUsedToMintFungibleCollectionToken),
+		};
+
+		with_weight(
+			<Pallet<T>>::create_multiple_items(self, &sender, data),
+			weight,
+		)
+	}
+
 	fn burn_item(
 		&self,
 		sender: T::CrossAccountId,

--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -2,7 +2,8 @@
 
 use frame_support::{ensure, BoundedVec};
 use up_data_structs::{
-	AccessMode, CollectionId, CustomDataLimit, MAX_REFUNGIBLE_PIECES, TokenId, CreateCollectionData,
+	AccessMode, CollectionId, CustomDataLimit, MAX_REFUNGIBLE_PIECES, TokenId,
+	CreateCollectionData, CreateRefungibleExData,
 };
 use pallet_common::{
 	Error as CommonError, Event as CommonEvent, Pallet as PalletCommon, account::CrossAccountId,
@@ -19,11 +20,6 @@
 pub mod common;
 pub mod erc;
 pub mod weights;
-pub struct CreateItemData<T: Config> {
-	pub const_data: BoundedVec<u8, CustomDataLimit>,
-	pub variable_data: BoundedVec<u8, CustomDataLimit>,
-	pub users: BTreeMap<T::CrossAccountId, u128>,
-}
 pub(crate) type SelfWeightOf<T> = <T as Config>::WeightInfo;
 
 #[derive(Encode, Decode, Default, TypeInfo, MaxEncodedLen)]
@@ -361,7 +357,7 @@
 	pub fn create_multiple_items(
 		collection: &RefungibleHandle<T>,
 		sender: &T::CrossAccountId,
-		data: Vec<CreateItemData<T>>,
+		data: Vec<CreateRefungibleExData<T::CrossAccountId>>,
 	) -> DispatchResult {
 		if !collection.is_owner_or_admin(sender) {
 			ensure!(
@@ -606,7 +602,7 @@
 	pub fn create_item(
 		collection: &RefungibleHandle<T>,
 		sender: &T::CrossAccountId,
-		data: CreateItemData<T>,
+		data: CreateRefungibleExData<T::CrossAccountId>,
 	) -> DispatchResult {
 		Self::create_multiple_items(collection, sender, vec![data])
 	}

--- a/pallets/refungible/src/weights.rs
+++ b/pallets/refungible/src/weights.rs
@@ -34,6 +34,8 @@
 pub trait WeightInfo {
 	fn create_item() -> Weight;
 	fn create_multiple_items(b: u32, ) -> Weight;
+	fn create_multiple_items_ex_multiple_items(b: u32, ) -> Weight;
+	fn create_multiple_items_ex_multiple_owners(b: u32, ) -> Weight;
 	fn burn_item_partial() -> Weight;
 	fn burn_item_fully() -> Weight;
 	fn transfer_normal() -> Weight;
@@ -77,6 +79,36 @@
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes((4 as Weight).saturating_mul(b as Weight)))
 	}
+	// Storage: Refungible TokensMinted (r:1 w:1)
+	// Storage: Refungible AccountBalance (r:4 w:4)
+	// Storage: Refungible Balance (r:0 w:4)
+	// Storage: Refungible TotalSupply (r:0 w:4)
+	// Storage: Refungible TokenData (r:0 w:4)
+	// Storage: Refungible Owned (r:0 w:4)
+	fn create_multiple_items_ex_multiple_items(b: u32, ) -> Weight {
+		(11_953_000 as Weight)
+			// Standard Error: 27_000
+			.saturating_add((10_775_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+			.saturating_add(T::DbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+			.saturating_add(T::DbWeight::get().writes((5 as Weight).saturating_mul(b as Weight)))
+	}
+	// Storage: Refungible TokensMinted (r:1 w:1)
+	// Storage: Refungible TotalSupply (r:0 w:1)
+	// Storage: Refungible TokenData (r:0 w:1)
+	// Storage: Refungible AccountBalance (r:4 w:4)
+	// Storage: Refungible Balance (r:0 w:4)
+	// Storage: Refungible Owned (r:0 w:4)
+	fn create_multiple_items_ex_multiple_owners(b: u32, ) -> Weight {
+		(0 as Weight)
+			// Standard Error: 13_000
+			.saturating_add((8_528_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+			.saturating_add(T::DbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(T::DbWeight::get().writes(3 as Weight))
+			.saturating_add(T::DbWeight::get().writes((3 as Weight).saturating_mul(b as Weight)))
+	}
 	// Storage: Refungible TotalSupply (r:1 w:1)
 	// Storage: Refungible Balance (r:1 w:1)
 	// Storage: Refungible AccountBalance (r:1 w:1)
@@ -215,6 +247,36 @@
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 			.saturating_add(RocksDbWeight::get().writes((4 as Weight).saturating_mul(b as Weight)))
 	}
+	// Storage: Refungible TokensMinted (r:1 w:1)
+	// Storage: Refungible AccountBalance (r:4 w:4)
+	// Storage: Refungible Balance (r:0 w:4)
+	// Storage: Refungible TotalSupply (r:0 w:4)
+	// Storage: Refungible TokenData (r:0 w:4)
+	// Storage: Refungible Owned (r:0 w:4)
+	fn create_multiple_items_ex_multiple_items(b: u32, ) -> Weight {
+		(11_953_000 as Weight)
+			// Standard Error: 27_000
+			.saturating_add((10_775_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+			.saturating_add(RocksDbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+			.saturating_add(RocksDbWeight::get().writes((5 as Weight).saturating_mul(b as Weight)))
+	}
+	// Storage: Refungible TokensMinted (r:1 w:1)
+	// Storage: Refungible TotalSupply (r:0 w:1)
+	// Storage: Refungible TokenData (r:0 w:1)
+	// Storage: Refungible AccountBalance (r:4 w:4)
+	// Storage: Refungible Balance (r:0 w:4)
+	// Storage: Refungible Owned (r:0 w:4)
+	fn create_multiple_items_ex_multiple_owners(b: u32, ) -> Weight {
+		(0 as Weight)
+			// Standard Error: 13_000
+			.saturating_add((8_528_000 as Weight).saturating_mul(b as Weight))
+			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
+			.saturating_add(RocksDbWeight::get().reads((1 as Weight).saturating_mul(b as Weight)))
+			.saturating_add(RocksDbWeight::get().writes(3 as Weight))
+			.saturating_add(RocksDbWeight::get().writes((3 as Weight).saturating_mul(b as Weight)))
+	}
 	// Storage: Refungible TotalSupply (r:1 w:1)
 	// Storage: Refungible Balance (r:1 w:1)
 	// Storage: Refungible AccountBalance (r:1 w:1)

--- a/pallets/unique/src/common.rs
+++ b/pallets/unique/src/common.rs
@@ -5,6 +5,7 @@
 use pallet_fungible::{common::CommonWeights as FungibleWeights};
 use pallet_nonfungible::{common::CommonWeights as NonfungibleWeights};
 use pallet_refungible::{common::CommonWeights as RefungibleWeights};
+use up_data_structs::CreateItemExData;
 
 use crate::{Config, dispatch::dispatch_weight};
 
@@ -17,7 +18,7 @@
 }
 
 pub struct CommonWeights<T: Config>(PhantomData<T>);
-impl<T: Config> CommonWeightInfo for CommonWeights<T> {
+impl<T: Config> CommonWeightInfo<T::CrossAccountId> for CommonWeights<T> {
 	fn create_item() -> up_data_structs::Weight {
 		dispatch_weight::<T>() + max_weight_of!(create_item())
 	}
@@ -26,6 +27,10 @@
 		dispatch_weight::<T>() + max_weight_of!(create_multiple_items(amount))
 	}
 
+	fn create_multiple_items_ex(data: &CreateItemExData<T::CrossAccountId>) -> Weight {
+		dispatch_weight::<T>() + max_weight_of!(create_multiple_items_ex(data))
+	}
+
 	fn burn_item() -> Weight {
 		dispatch_weight::<T>() + max_weight_of!(burn_item())
 	}

--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -40,7 +40,7 @@
 	OFFCHAIN_SCHEMA_LIMIT, MAX_COLLECTION_NAME_LENGTH, MAX_COLLECTION_DESCRIPTION_LENGTH,
 	MAX_TOKEN_PREFIX_LENGTH, AccessMode, CreateItemData, CollectionLimits, CollectionId,
 	CollectionMode, TokenId, SchemaVersion, SponsorshipState, MetaUpdatePermission,
-	CreateCollectionData, CustomDataLimit,
+	CreateCollectionData, CustomDataLimit, CreateItemExData,
 };
 use pallet_common::{
 	account::CrossAccountId, CollectionHandle, Pallet as PalletCommon, Error as CommonError,
@@ -735,6 +735,14 @@
 			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data))
 		}
 
+		#[weight = <CommonWeights<T>>::create_multiple_items_ex(&data)]
+		#[transactional]
+		pub fn create_multiple_items_ex(origin, collection_id: CollectionId, data: CreateItemExData<T::CrossAccountId>) -> DispatchResultWithPostInfo {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+
+			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items_ex(sender, data))
+		}
+
 		// TODO! transaction weight
 
 		/// Set transfers_enabled value for particular collection

--- a/primitives/data-structs/src/lib.rs
+++ b/primitives/data-structs/src/lib.rs
@@ -1,6 +1,11 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use core::convert::{TryFrom, TryInto};
+use core::{
+	convert::{TryFrom, TryInto},
+	fmt,
+};
+use frame_support::storage::bounded_btree_map::BoundedBTreeMap;
+use sp_std::collections::btree_map::BTreeMap;
 
 #[cfg(feature = "serde")]
 pub use serde::{Serialize, Deserialize};
@@ -525,6 +530,47 @@
 	ReFungible(CreateReFungibleData),
 }
 
+#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]
+#[derivative(Debug)]
+pub struct CreateNftExData<CrossAccountId> {
+	#[derivative(Debug(format_with = "bounded_debug"))]
+	pub const_data: BoundedVec<u8, CustomDataLimit>,
+	#[derivative(Debug(format_with = "bounded_debug"))]
+	pub variable_data: BoundedVec<u8, CustomDataLimit>,
+	pub owner: CrossAccountId,
+}
+
+#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]
+#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]
+pub struct CreateRefungibleExData<CrossAccountId> {
+	#[derivative(Debug(format_with = "bounded_debug"))]
+	pub const_data: BoundedVec<u8, CustomDataLimit>,
+	#[derivative(Debug(format_with = "bounded_debug"))]
+	pub variable_data: BoundedVec<u8, CustomDataLimit>,
+	#[derivative(Debug(format_with = "bounded_map_debug"))]
+	pub users: BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,
+}
+
+#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]
+#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]
+pub enum CreateItemExData<CrossAccountId> {
+	NFT(
+		#[derivative(Debug(format_with = "bounded_debug"))]
+		BoundedVec<CreateNftExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,
+	),
+	Fungible(
+		#[derivative(Debug(format_with = "bounded_map_debug"))]
+		BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,
+	),
+	/// Many tokens, each may have only one owner
+	RefungibleMultipleItems(
+		#[derivative(Debug(format_with = "bounded_debug"))]
+		BoundedVec<CreateRefungibleExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,
+	),
+	/// Single token, which may have many owners
+	RefungibleMultipleOwners(CreateRefungibleExData<CrossAccountId>),
+}
+
 impl CreateItemData {
 	pub fn data_size(&self) -> usize {
 		match self {