1234567891011121314151617#![cfg_attr(not(feature = "std"), no_std)]1819use frame_support::{pallet_prelude::*, transactional, BoundedVec, traits::ConstU32, dispatch::DispatchResult};20use frame_system::{pallet_prelude::*, ensure_signed};21use sp_runtime::DispatchError;22use up_data_structs::*;23use pallet_common::{Pallet as PalletCommon, Error as CommonError, CollectionHandle, CommonCollectionOperations};24use pallet_nonfungible::{Pallet as PalletNft, NonfungibleHandle};25use pallet_evm::account::CrossAccountId;2627pub use pallet::*;2829pub mod misc;3031use misc::*;3233#[frame_support::pallet]34pub mod pallet {35 use super::*;36 use pallet_evm::account;3738 #[pallet::config]39 pub trait Config: frame_system::Config40 + pallet_common::Config41 + pallet_nonfungible::Config42 + account::Config {43 type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;44 }4546 #[pallet::pallet]47 #[pallet::generate_store(pub(super) trait Store)]48 pub struct Pallet<T>(_);4950 #[pallet::event]51 #[pallet::generate_deposit(pub(super) fn deposit_event)]52 pub enum Event<T: Config> {53 CollectionCreated {54 issuer: T::AccountId,55 collection_id: CollectionId,56 },57 CollectionDestroyed {58 issuer: T::AccountId,59 collection_id: CollectionId,60 },61 CollectionLocked {62 issuer: T::AccountId,63 collection_id: CollectionId,64 },65 }6667 #[pallet::error]68 pub enum Error<T> {69 CorruptedCollectionType,70 NotRmrkCollection,71 CollectionNotEmpty,72 NoAvailableCollectionId,73 CollectionUnknown,74 }7576 #[pallet::call]77 impl<T: Config> Pallet<T> {78 #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]79 #[transactional]80 pub fn create_collection(81 origin: OriginFor<T>,82 metadata: PropertyValue,83 max: Option<u32>,84 symbol: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,85 ) -> DispatchResult {86 let sender = ensure_signed(origin)?;8788 let limits = max.map(|max| CollectionLimits {89 token_limit: Some(max),90 ..Default::default()91 });9293 let data = CreateCollectionData {94 limits,95 token_prefix: symbol,96 ..Default::default()97 };9899 let collection_id_res = <PalletNft<T>>::init_collection(sender.clone(), data);100101 if let Err(DispatchError::Arithmetic(_)) = &collection_id_res {102 return Err(<Error<T>>::NoAvailableCollectionId.into());103 }104105 let collection_id = collection_id_res?;106107 let collection = Self::get_nft_collection(collection_id)?.into_inner();108109 <PalletCommon<T>>::set_scoped_collection_properties(110 &collection,111 PropertyScope::Rmrk,112 [113 rmrk_property!(Metadata, metadata),114 rmrk_property!(CollectionType, CollectionType::Regular),115 ].into_iter()116 )?;117118 Self::deposit_event(Event::CollectionCreated { issuer: sender, collection_id });119120 Ok(())121 }122123 #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]124 #[transactional]125 pub fn destroy_collection(126 origin: OriginFor<T>,127 collection_id: CollectionId,128 ) -> DispatchResult {129 let sender = ensure_signed(origin)?;130 let cross_sender = T::CrossAccountId::from_sub(sender.clone());131132 let collection = Self::get_nft_collection(collection_id)?;133134 Self::check_collection_type(collection_id, CollectionType::Regular)?;135136 ensure!(collection.total_supply() == 0, <Error<T>>::CollectionNotEmpty);137138 <PalletNft<T>>::destroy_collection(collection, &cross_sender)?;139140 Self::deposit_event(Event::CollectionDestroyed { issuer: sender, collection_id });141142 Ok(())143 }144145 #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]146 #[transactional]147 pub fn change_collection_issuer(148 origin: OriginFor<T>,149 collection_id: CollectionId,150 new_issuer: T::AccountId,151 ) -> DispatchResult {152 let sender = ensure_signed(origin)?;153154 Self::change_collection_owner(155 collection_id,156 CollectionType::Regular,157 sender,158 new_issuer159 )?;160161 Ok(())162 }163164 #[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]165 #[transactional]166 pub fn lock_collection(167 origin: OriginFor<T>,168 collection_id: CollectionId,169 ) -> DispatchResult {170 let sender = ensure_signed(origin)?;171 let cross_sender = T::CrossAccountId::from_sub(sender.clone());172173 let collection = Self::get_nft_collection(collection_id)?;174 collection.check_is_owner(&cross_sender)?;175176 let token_count = collection.total_supply();177178 let mut collection = collection.into_inner();179 collection.limits.token_limit = Some(token_count);180 collection.save()?;181182 Self::deposit_event(Event::CollectionLocked { issuer: sender, collection_id });183184 Ok(())185 }186 }187}188189impl<T: Config> Pallet<T> {190 fn change_collection_owner(191 collection_id: CollectionId,192 collection_type: CollectionType,193 sender: T::AccountId,194 new_owner: T::AccountId,195 ) -> DispatchResult {196 let mut collection = Self::get_nft_collection(collection_id)?.into_inner();197 collection.check_is_owner(&T::CrossAccountId::from_sub(sender))?;198199 Self::check_collection_type(collection_id, collection_type)?;200201 collection.owner = new_owner;202 collection.save()203 }204205 fn get_nft_collection(collection_id: CollectionId) -> Result<NonfungibleHandle<T>, DispatchError> {206 let collection = <CollectionHandle<T>>::try_get(collection_id)207 .map_err(|_| <Error<T>>::CollectionUnknown)?208 .into_nft_collection()?;209210 Ok(collection)211 }212213 fn get_collection_type(collection_id: CollectionId) -> Result<CollectionType, DispatchError> {214 let collection_type: CollectionType = <PalletCommon<T>>::collection_properties(collection_id)215 .get(&rmrk_property!(CollectionType))216 .ok_or(<Error<T>>::NotRmrkCollection)?217 .try_into()218 .map_err(<Error<T>>::from)?;219220 Ok(collection_type)221 }222223 fn check_collection_type(collection_id: CollectionId, collection_type: CollectionType) -> DispatchResult {224 let actual_type = Self::get_collection_type(collection_id)?;225 ensure!(actual_type == collection_type, <CommonError<T>>::NoPermission);226227 Ok(())228 }229}