git.delta.rocks / unique-network / refs/commits / cf884d838f57

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617#![cfg_attr(not(feature = "std"), no_std)]1819use frame_support::{pallet_prelude::*, transactional, BoundedVec, dispatch::DispatchResult};20use frame_system::{pallet_prelude::*, ensure_signed};21use sp_runtime::{DispatchError, Permill, traits::StaticLookup};22use sp_std::vec::Vec;23use up_data_structs::*;24use pallet_common::{Pallet as PalletCommon, Error as CommonError, CollectionHandle, CommonCollectionOperations};25use pallet_nonfungible::{Pallet as PalletNft, NonfungibleHandle};26use pallet_evm::account::CrossAccountId;2728pub use pallet::*;2930pub mod misc;31pub mod property;3233use misc::*;34pub use property::*;3536#[frame_support::pallet]37pub mod pallet {38    use super::*;39    use pallet_evm::account;4041	#[pallet::config]42	pub trait Config: frame_system::Config43                    + pallet_common::Config44                    + pallet_nonfungible::Config45                    + account::Config {46		type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;47	}4849	#[pallet::pallet]50	#[pallet::generate_store(pub(super) trait Store)]51	pub struct Pallet<T>(_);5253	#[pallet::event]54	#[pallet::generate_deposit(pub(super) fn deposit_event)]55	pub enum Event<T: Config> {56        CollectionCreated {57			issuer: T::AccountId,58			collection_id: RmrkCollectionId,59		},60        CollectionDestroyed {61			issuer: T::AccountId,62			collection_id: RmrkCollectionId,63		},64        IssuerChanged {65			old_issuer: T::AccountId,66			new_issuer: T::AccountId,67			collection_id: RmrkCollectionId,68		},69        CollectionLocked {70			issuer: T::AccountId,71			collection_id: RmrkCollectionId,72		},73        NftMinted {74			owner: T::AccountId,75			collection_id: RmrkCollectionId,76			nft_id: RmrkNftId,77		},78        NFTBurned {79			owner: T::AccountId,80			nft_id: RmrkNftId,81		},82	}8384	#[pallet::error]85	pub enum Error<T> {86        /* Unique-specific events */87        CorruptedCollectionType,88        NftTypeEncodeError,89        RmrkPropertyKeyIsTooLong,90        RmrkPropertyValueIsTooLong,9192        /* RMRK compatible events */93        CollectionNotEmpty,94        NoAvailableCollectionId,95        NoAvailableNftId,96        CollectionUnknown,97        NoPermission,98        CollectionFullOrLocked,99	}100101	#[pallet::call]102	impl<T: Config> Pallet<T> {103        #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]104		#[transactional]105		pub fn create_collection(106			origin: OriginFor<T>,107			metadata: RmrkString,108			max: Option<u32>,109			symbol: RmrkCollectionSymbol,110		) -> DispatchResult {111            let sender = ensure_signed(origin)?;112113            let limits = CollectionLimits {114                owner_can_transfer: Some(false),115                token_limit: max,116                ..Default::default()117            };118119            let data = CreateCollectionData {120                limits: Some(limits),121                token_prefix: symbol.into_inner()122                    .try_into()123                    .map_err(|_| <CommonError<T>>::CollectionTokenPrefixLimitExceeded)?,124                ..Default::default()125            };126127            let collection_id_res = <PalletNft<T>>::init_collection(sender.clone(), data);128129            if let Err(DispatchError::Arithmetic(_)) = &collection_id_res {130                return Err(<Error<T>>::NoAvailableCollectionId.into());131            }132133            let collection_id = collection_id_res?;134135            let collection = Self::get_nft_collection(collection_id)?.into_inner();136137            <PalletCommon<T>>::set_scoped_collection_properties(138                &collection,139                PropertyScope::Rmrk,140                [141                    rmrk_property!(Config=T, Metadata: metadata)?,142                    rmrk_property!(Config=T, CollectionType: CollectionType::Regular)?,143                ].into_iter()144            )?;145146            Self::deposit_event(Event::CollectionCreated {147                issuer: sender,148                collection_id: collection_id.0149            });150151            Ok(())152        }153154        #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]155		#[transactional]156		pub fn destroy_collection(157			origin: OriginFor<T>,158			collection_id: RmrkCollectionId,159		) -> DispatchResult {160            let sender = ensure_signed(origin)?;161            let cross_sender = T::CrossAccountId::from_sub(sender.clone());162163            let unique_collection_id = collection_id.into();164165            let collection = Self::get_typed_nft_collection(unique_collection_id, CollectionType::Regular)?;166167            ensure!(collection.total_supply() == 0, <Error<T>>::CollectionNotEmpty);168169            <PalletNft<T>>::destroy_collection(collection, &cross_sender)170                .map_err(Self::map_common_err_to_proxy)?;171172            Self::deposit_event(Event::CollectionDestroyed { issuer: sender, collection_id });173174            Ok(())175        }176177        #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]178		#[transactional]179		pub fn change_collection_issuer(180			origin: OriginFor<T>,181			collection_id: RmrkCollectionId,182			new_issuer: <T::Lookup as StaticLookup>::Source,183		) -> DispatchResult {184            let sender = ensure_signed(origin)?;185186            let new_issuer = T::Lookup::lookup(new_issuer)?;187188            Self::change_collection_owner(189                collection_id.into(),190                CollectionType::Regular,191                sender.clone(),192                new_issuer.clone()193            )?;194195            Self::deposit_event(Event::IssuerChanged {196				old_issuer: sender,197				new_issuer,198				collection_id,199			});200201            Ok(())202        }203204        #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]205		#[transactional]206		pub fn lock_collection(207			origin: OriginFor<T>,208			collection_id: RmrkCollectionId,209		) -> DispatchResult {210            let sender = ensure_signed(origin)?;211            let cross_sender = T::CrossAccountId::from_sub(sender.clone());212213            let collection = Self::get_typed_nft_collection(214                collection_id.into(),215                CollectionType::Regular216            )?;217218            Self::check_collection_owner(&collection, &cross_sender)?;219220            let token_count = collection.total_supply();221222            let mut collection = collection.into_inner();223            collection.limits.token_limit = Some(token_count);224            collection.save()?;225226			Self::deposit_event(Event::CollectionLocked { issuer: sender, collection_id });227228            Ok(())229        }230231        #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]232		#[transactional]233		pub fn mint_nft(234			origin: OriginFor<T>,235			owner: T::AccountId,236			collection_id: RmrkCollectionId,237			recipient: Option<T::AccountId>,238			royalty_amount: Option<Permill>,239			metadata: RmrkString,240		) -> DispatchResult {241            let sender = ensure_signed(origin)?;242            let sender = T::CrossAccountId::from_sub(sender);243            let cross_owner = T::CrossAccountId::from_sub(owner.clone());244245            let royalty_info = royalty_amount.map(|amount| rmrk::RoyaltyInfo {246                recipient: recipient.unwrap_or_else(|| owner.clone()),247                amount248            });249250            let nft_id = Self::create_nft(251                sender,252                cross_owner,253                collection_id.into(),254                CollectionType::Regular,255                NftType::Regular,256                [257                    rmrk_property!(Config=T, RoyaltyInfo: royalty_info)?,258                    rmrk_property!(Config=T, Metadata: metadata)?,259                    rmrk_property!(Config=T, Equipped: false)?,260                    rmrk_property!(Config=T, ResourceCollection: None::<CollectionId>)?,261                    rmrk_property!(Config=T, ResourcePriorities: <Vec<u8>>::new())?,262                ].into_iter()263            )?;264265            Self::deposit_event(Event::NftMinted {266                owner,267                collection_id,268                nft_id: nft_id.0269            });270271            Ok(())272        }273274        #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]275		#[transactional]276		pub fn burn_nft(277			origin: OriginFor<T>,278			collection_id: RmrkCollectionId,279			nft_id: RmrkNftId,280		) -> DispatchResult {281			let sender = ensure_signed(origin.clone())?;282            let cross_sender = T::CrossAccountId::from_sub(sender.clone());283284            Self::destroy_nft(285                cross_sender,286                collection_id.into(),287                CollectionType::Regular,288                nft_id.into()289            )?;290291            Self::deposit_event(Event::NFTBurned { owner: sender, nft_id });292293            Ok(())294        }295	}296}297298impl<T: Config> Pallet<T> {299    fn create_nft(300        sender: T::CrossAccountId,301        owner: T::CrossAccountId,302        collection_id: CollectionId,303        collection_type: CollectionType,304        nft_type: NftType,305        properties: impl Iterator<Item=Property>306    ) -> Result<TokenId, DispatchError> {307        let collection = Self::get_typed_nft_collection(308            collection_id,309            collection_type310        )?;311312        let data = CreateNftExData {313            const_data: nft_type.encode()314                .try_into()315                .map_err(|_| <Error<T>>::NftTypeEncodeError)?,316            properties: BoundedVec::default(),317            owner,318        };319320        let budget = budget::Value::new(2);321322        <PalletNft<T>>::create_item(323            &collection,324            &sender,325            data,326            &budget,327        ).map_err(Self::map_common_err_to_proxy)?;328329        let nft_id = <PalletNft<T>>::current_token_id(&collection);330331        <PalletNft<T>>::set_scoped_token_properties(332            &collection,333            nft_id,334            PropertyScope::Rmrk,335            properties336        )?;337338        Ok(nft_id)339    }340341    fn destroy_nft(342        sender: T::CrossAccountId,343        collection_id: CollectionId,344        collection_type: CollectionType,345        token_id: TokenId346    ) -> DispatchResult {347        let collection = Self::get_typed_nft_collection(348            collection_id,349            collection_type350        )?;351352        <PalletNft<T>>::burn(&collection, &sender, token_id)353            .map_err(Self::map_common_err_to_proxy)?;354355        Ok(())356    }357358    fn change_collection_owner(359        collection_id: CollectionId,360        collection_type: CollectionType,361        sender: T::AccountId,362        new_owner: T::AccountId,363    ) -> DispatchResult {364        let collection = Self::get_typed_nft_collection(365            collection_id,366            collection_type367        )?;368        Self::check_collection_owner(&collection, &T::CrossAccountId::from_sub(sender))?;369370        let mut collection = collection.into_inner();371372        collection.owner = new_owner;373        collection.save()374    }375376    fn check_collection_owner(collection: &NonfungibleHandle<T>, account: &T::CrossAccountId) -> DispatchResult {377        collection.check_is_owner(account)378            .map_err(Self::map_common_err_to_proxy)379    }380381    pub fn get_nft_collection(collection_id: CollectionId) -> Result<NonfungibleHandle<T>, DispatchError> {382        let collection = <CollectionHandle<T>>::try_get(collection_id)383            .map_err(|_| <Error<T>>::CollectionUnknown)?384            .into_nft_collection()?;385386        Ok(collection)387    }388389    pub fn get_collection_property(collection_id: CollectionId, key: RmrkProperty) -> Result<PropertyValue, DispatchError> {390        let collection_property = <PalletCommon<T>>::collection_properties(collection_id)391            .get(&rmrk_property!(Config=T, key)?)392            .ok_or(<Error<T>>::CollectionUnknown)?393            .clone();394395        Ok(collection_property)396    }397398    pub fn get_collection_type(collection_id: CollectionId) -> Result<CollectionType, DispatchError> {399        let value = Self::get_collection_property(collection_id, RmrkProperty::CollectionType)?;400        let collection_type: CollectionType = (&value)401            .try_into()402            .map_err(<Error<T>>::from)?;403404        Ok(collection_type)405    }406407    pub fn get_nft_property(collection_id: CollectionId, nft_id: TokenId, key: RmrkProperty) -> Result<PropertyValue, DispatchError> {408        let nft_property = <PalletNft<T>>::token_properties((collection_id, nft_id))409            .get(&rmrk_property!(Config=T, key)?)410            .ok_or(<Error<T>>::NoAvailableNftId)?411            .clone();412413        Ok(nft_property)414    }415416    pub fn check_collection_type(collection_id: CollectionId, collection_type: CollectionType) -> DispatchResult {417        let actual_type = Self::get_collection_type(collection_id)?;418        ensure!(actual_type == collection_type, <CommonError<T>>::NoPermission);419420        Ok(())421    }422423    fn get_typed_nft_collection(424        collection_id: CollectionId,425        collection_type: CollectionType426    ) -> Result<NonfungibleHandle<T>, DispatchError> {427        Self::check_collection_type(collection_id, collection_type)?;428429        Self::get_nft_collection(collection_id)430    }431432    fn map_common_err_to_proxy(err: DispatchError) -> DispatchError {433        map_common_err_to_proxy! {434            match err {435                NoPermission => NoPermission,436                CollectionTokenLimitExceeded => CollectionFullOrLocked437            }438        }439    }440}