difftreelog
feat bulk mint/get/set metadata
in: master
5 files changed
pallets/nft/src/eth/erc.rsdiffbeforeafterboth--- a/pallets/nft/src/eth/erc.rs
+++ b/pallets/nft/src/eth/erc.rs
@@ -8,6 +8,7 @@
};
use frame_support::storage::{StorageMap, StorageDoubleMap};
use pallet_evm::AddressMapping;
+use pallet_evm_coder_substrate::dispatch_to_evm;
use super::account::CrossAccountId;
use sp_std::{vec, vec::Vec};
@@ -299,6 +300,90 @@
.ok_or("item id overflow")?
.into())
}
+
+ fn set_variable_metadata(
+ &mut self,
+ caller: caller,
+ token_id: uint256,
+ data: bytes,
+ ) -> Result<void> {
+ let caller = T::CrossAccountId::from_eth(caller);
+ let token_id = token_id.try_into().map_err(|_| "token id overflow")?;
+
+ <Module<T>>::set_variable_meta_data_internal(&caller, self, token_id, data)
+ .map_err(dispatch_to_evm::<T>)?;
+ Ok(())
+ }
+
+ fn get_variable_metadata(&self, token_id: uint256) -> Result<bytes> {
+ let token_id = token_id.try_into().map_err(|_| "token id overflow")?;
+
+ <Module<T>>::get_variable_metadata(self, token_id).map_err(dispatch_to_evm::<T>)
+ }
+
+ fn mint_bulk(&mut self, caller: caller, to: address, token_ids: Vec<uint256>) -> Result<bool> {
+ let caller = T::CrossAccountId::from_eth(caller);
+ let to = T::CrossAccountId::from_eth(to);
+ let mut expected_index = <ItemListIndex>::get(self.id)
+ .checked_add(1)
+ .ok_or("item id overflow")?;
+
+ let total_tokens = token_ids.len();
+ for id in token_ids.into_iter() {
+ let id: u32 = id.try_into().map_err(|_| "token id overflow")?;
+ if id != expected_index {
+ return Err("item id should be next".into());
+ }
+ expected_index = expected_index.checked_add(1).ok_or("item id overflow")?;
+ }
+
+ let data = (0..total_tokens)
+ .map(|_| {
+ CreateItemData::NFT(CreateNftData {
+ const_data: vec![].try_into().unwrap(),
+ variable_data: vec![].try_into().unwrap(),
+ })
+ })
+ .collect();
+
+ <Module<T>>::create_multiple_items_internal(&caller, self, &to, data)
+ .map_err(dispatch_to_evm::<T>)?;
+ Ok(true)
+ }
+
+ #[solidity(rename_selector = "mintBulkWithTokenURI")]
+ fn mint_bulk_with_token_uri(
+ &mut self,
+ caller: caller,
+ to: address,
+ tokens: Vec<(uint256, string)>,
+ ) -> Result<bool> {
+ let caller = T::CrossAccountId::from_eth(caller);
+ let to = T::CrossAccountId::from_eth(to);
+ let mut expected_index = <ItemListIndex>::get(self.id)
+ .checked_add(1)
+ .ok_or("item id overflow")?;
+
+ let mut data = Vec::with_capacity(tokens.len());
+ for (id, token_uri) in tokens {
+ let id: u32 = id.try_into().map_err(|_| "token id overflow")?;
+ if id != expected_index {
+ panic!("item id should be next ({}) but got {}", expected_index, id);
+ }
+ expected_index = expected_index.checked_add(1).ok_or("item id overflow")?;
+
+ data.push(CreateItemData::NFT(CreateNftData {
+ const_data: Vec::<u8>::from(token_uri)
+ .try_into()
+ .map_err(|_| "token uri is too long")?,
+ variable_data: vec![].try_into().unwrap(),
+ }));
+ }
+
+ <Module<T>>::create_multiple_items_internal(&caller, self, &to, data)
+ .map_err(dispatch_to_evm::<T>)?;
+ Ok(true)
+ }
}
#[solidity_interface(
pallets/nft/src/eth/stubs/UniqueNFT.rawdiffbeforeafterbothbinary blob — no preview
pallets/nft/src/eth/stubs/UniqueNFT.soldiffbeforeafterboth--- a/pallets/nft/src/eth/stubs/UniqueNFT.sol
+++ b/pallets/nft/src/eth/stubs/UniqueNFT.sol
@@ -3,6 +3,12 @@
pragma solidity >=0.8.0 <0.9.0;
+// Anonymous struct
+struct Tuple0 {
+ uint256 field_0;
+ string field_1;
+}
+
// Common stubs holder
contract Dummy {
uint8 dummy;
@@ -239,6 +245,50 @@
dummy;
return 0;
}
+
+ // Selector: setVariableMetadata(uint256,bytes) d4eac26d
+ function setVariableMetadata(uint256 tokenId, bytes memory data) public {
+ require(false, stub_error);
+ tokenId;
+ data;
+ dummy = 0;
+ }
+
+ // Selector: getVariableMetadata(uint256) e6c5ce6f
+ function getVariableMetadata(uint256 tokenId)
+ public
+ view
+ returns (bytes memory)
+ {
+ require(false, stub_error);
+ tokenId;
+ dummy;
+ return hex"";
+ }
+
+ // Selector: mintBulk(address,uint256[]) 44a9945e
+ function mintBulk(address to, uint256[] memory tokenIds)
+ public
+ returns (bool)
+ {
+ require(false, stub_error);
+ to;
+ tokenIds;
+ dummy = 0;
+ return false;
+ }
+
+ // Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+ function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+ public
+ returns (bool)
+ {
+ require(false, stub_error);
+ to;
+ tokens;
+ dummy = 0;
+ return false;
+ }
}
contract UniqueNFT is
pallets/nft/src/lib.rsdiffbeforeafterboth1//2// This file is subject to the terms and conditions defined in3// file 'LICENSE', which is part of this source code package.4//56#![recursion_limit = "1024"]7#![cfg_attr(not(feature = "std"), no_std)]8#![allow(9 clippy::too_many_arguments,10 clippy::unnecessary_mut_passed,11 clippy::unused_unit12)]1314extern crate alloc;1516pub use serde::{Serialize, Deserialize};1718pub use frame_support::{19 construct_runtime, decl_event, decl_module, decl_storage, decl_error,20 dispatch::DispatchResult,21 ensure, fail, parameter_types,22 traits::{23 Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,24 Randomness, IsSubType, WithdrawReasons,25 },26 weights::{27 constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},28 DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,29 WeightToFeePolynomial, DispatchClass,30 },31 StorageValue, transactional,32};3334use frame_system::{self as system, ensure_signed};35use sp_core::H160;36use sp_std::vec;37use sp_runtime::{DispatchError, sp_std::prelude::Vec};38use core::ops::{Deref, DerefMut};39use nft_data_structs::{40 MAX_DECIMAL_POINTS, MAX_SPONSOR_TIMEOUT, MAX_TOKEN_OWNERSHIP, MAX_REFUNGIBLE_PIECES,41 CUSTOM_DATA_LIMIT, COLLECTION_NUMBER_LIMIT, ACCOUNT_TOKEN_OWNERSHIP_LIMIT,42 VARIABLE_ON_CHAIN_SCHEMA_LIMIT, CONST_ON_CHAIN_SCHEMA_LIMIT, COLLECTION_ADMINS_LIMIT,43 OFFCHAIN_SCHEMA_LIMIT, MAX_TOKEN_PREFIX_LENGTH, MAX_COLLECTION_NAME_LENGTH,44 MAX_COLLECTION_DESCRIPTION_LENGTH, AccessMode, Collection, CreateItemData, CollectionLimits,45 CollectionId, CollectionMode, TokenId, SchemaVersion, SponsorshipState, Ownership, NftItemType,46 FungibleItemType, ReFungibleItemType,47};4849#[cfg(test)]50mod mock;5152#[cfg(test)]53mod tests;5455mod eth;56mod sponsorship;57pub use sponsorship::NftSponsorshipHandler;58pub use eth::sponsoring::NftEthSponsorshipHandler;5960pub use eth::NftErcSupport;61pub use eth::account::*;62use eth::erc::{ERC20Events, ERC721Events};6364#[cfg(feature = "runtime-benchmarks")]65mod benchmarking;66pub mod weights;67use weights::WeightInfo;6869decl_error! {70 /// Error for non-fungible-token module.71 pub enum Error for Module<T: Config> {72 /// Total collections bound exceeded.73 TotalCollectionsLimitExceeded,74 /// Decimal_points parameter must be lower than MAX_DECIMAL_POINTS constant, currently it is 30.75 CollectionDecimalPointLimitExceeded,76 /// Collection name can not be longer than 63 char.77 CollectionNameLimitExceeded,78 /// Collection description can not be longer than 255 char.79 CollectionDescriptionLimitExceeded,80 /// Token prefix can not be longer than 15 char.81 CollectionTokenPrefixLimitExceeded,82 /// This collection does not exist.83 CollectionNotFound,84 /// Item not exists.85 TokenNotFound,86 /// Admin not found87 AdminNotFound,88 /// Arithmetic calculation overflow.89 NumOverflow,90 /// Account already has admin role.91 AlreadyAdmin,92 /// You do not own this collection.93 NoPermission,94 /// This address is not set as sponsor, use setCollectionSponsor first.95 ConfirmUnsetSponsorFail,96 /// Collection is not in mint mode.97 PublicMintingNotAllowed,98 /// Sender parameter and item owner must be equal.99 MustBeTokenOwner,100 /// Item balance not enough.101 TokenValueTooLow,102 /// Size of item is too large.103 NftSizeLimitExceeded,104 /// No approve found105 ApproveNotFound,106 /// Requested value more than approved.107 TokenValueNotEnough,108 /// Only approved addresses can call this method.109 ApproveRequired,110 /// Address is not in white list.111 AddresNotInWhiteList,112 /// Number of collection admins bound exceeded.113 CollectionAdminsLimitExceeded,114 /// Owned tokens by a single address bound exceeded.115 AddressOwnershipLimitExceeded,116 /// Length of items properties must be greater than 0.117 EmptyArgument,118 /// const_data exceeded data limit.119 TokenConstDataLimitExceeded,120 /// variable_data exceeded data limit.121 TokenVariableDataLimitExceeded,122 /// Not NFT item data used to mint in NFT collection.123 NotNftDataUsedToMintNftCollectionToken,124 /// Not Fungible item data used to mint in Fungible collection.125 NotFungibleDataUsedToMintFungibleCollectionToken,126 /// Not Re Fungible item data used to mint in Re Fungible collection.127 NotReFungibleDataUsedToMintReFungibleCollectionToken,128 /// Unexpected collection type.129 UnexpectedCollectionType,130 /// Can't store metadata in fungible tokens.131 CantStoreMetadataInFungibleTokens,132 /// Collection token limit exceeded133 CollectionTokenLimitExceeded,134 /// Account token limit exceeded per collection135 AccountTokenLimitExceeded,136 /// Collection limit bounds per collection exceeded137 CollectionLimitBoundsExceeded,138 /// Tried to enable permissions which are only permitted to be disabled139 OwnerPermissionsCantBeReverted,140 /// Schema data size limit bound exceeded141 SchemaDataLimitExceeded,142 /// Maximum refungibility exceeded143 WrongRefungiblePieces,144 /// createRefungible should be called with one owner145 BadCreateRefungibleCall,146 /// Gas limit exceeded147 OutOfGas,148 /// Collection settings not allowing items transferring149 TransferNotAllowed,150 /// Can't transfer tokens to ethereum zero address151 AddressIsZero,152 }153}154155#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]156pub struct CollectionHandle<T: Config> {157 pub id: CollectionId,158 collection: Collection<T>,159 recorder: pallet_evm_coder_substrate::SubstrateRecorder<T>,160}161impl<T: Config> CollectionHandle<T> {162 pub fn get_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {163 <CollectionById<T>>::get(id).map(|collection| Self {164 id,165 collection,166 recorder: pallet_evm_coder_substrate::SubstrateRecorder::new(167 eth::collection_id_to_address(id),168 gas_limit,169 ),170 })171 }172 pub fn get(id: CollectionId) -> Option<Self> {173 Self::get_with_gas_limit(id, u64::MAX)174 }175 pub fn log(&self, log: impl evm_coder::ToLog) -> DispatchResult {176 self.recorder.log_sub(log)177 }178 #[allow(dead_code)]179 fn consume_gas(&self, gas: u64) -> DispatchResult {180 self.recorder.consume_gas_sub(gas)181 }182 fn consume_sload(&self) -> DispatchResult {183 self.recorder.consume_sload_sub()184 }185 fn consume_sstore(&self) -> DispatchResult {186 self.recorder.consume_sstore_sub()187 }188 pub fn submit_logs(self) -> DispatchResult {189 self.recorder.submit_logs()190 }191 pub fn save(self) -> DispatchResult {192 self.recorder.submit_logs()?;193 <CollectionById<T>>::insert(self.id, self.collection);194 Ok(())195 }196}197impl<T: Config> Deref for CollectionHandle<T> {198 type Target = Collection<T>;199200 fn deref(&self) -> &Self::Target {201 &self.collection202 }203}204205impl<T: Config> DerefMut for CollectionHandle<T> {206 fn deref_mut(&mut self) -> &mut Self::Target {207 &mut self.collection208 }209}210211pub trait Config: system::Config + pallet_evm_coder_substrate::Config + Sized {212 type Event: From<Event<Self>> + Into<<Self as system::Config>::Event>;213214 /// Weight information for extrinsics in this pallet.215 type WeightInfo: WeightInfo;216217 type EvmAddressMapping: pallet_evm::AddressMapping<Self::AccountId>;218 type EvmBackwardsAddressMapping: EvmBackwardsAddressMapping<Self::AccountId>;219220 type CrossAccountId: CrossAccountId<Self::AccountId>;221 type Currency: Currency<Self::AccountId>;222 type CollectionCreationPrice: Get<223 <<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,224 >;225 type TreasuryAccountId: Get<Self::AccountId>;226}227228type SelfWeightOf<T> = <T as Config>::WeightInfo;229230trait WeightInfoHelpers: WeightInfo {231 fn transfer() -> Weight {232 Self::transfer_nft()233 .max(Self::transfer_fungible())234 .max(Self::transfer_refungible())235 }236 fn transfer_from() -> Weight {237 Self::transfer_from_nft()238 .max(Self::transfer_from_fungible())239 .max(Self::transfer_from_refungible())240 }241 fn approve() -> Weight {242 // TODO: refungible, fungible243 Self::approve_nft()244 }245 fn set_variable_meta_data(data: u32) -> Weight {246 // TODO: refungible247 Self::set_variable_meta_data_nft(data)248 }249 fn create_item(data: u32) -> Weight {250 Self::create_item_nft(data)251 .max(Self::create_item_fungible())252 .max(Self::create_item_refungible(data))253 }254 fn burn_item() -> Weight {255 // TODO: refungible, fungible256 Self::burn_item_nft()257 }258}259impl<T: WeightInfo> WeightInfoHelpers for T {}260261// # Used definitions262//263// ## User control levels264//265// chain-controlled - key is uncontrolled by user266// i.e autoincrementing index267// can use non-cryptographic hash268// real - key is controlled by user269// but it is hard to generate enough colliding values, i.e owner of signed txs270// can use non-cryptographic hash271// controlled - key is completly controlled by users272// i.e maps with mutable keys273// should use cryptographic hash274//275// ## User control level downgrade reasons276//277// ?1 - chain-controlled -> controlled278// collections/tokens can be destroyed, resulting in massive holes279// ?2 - chain-controlled -> controlled280// same as ?1, but can be only added, resulting in easier exploitation281// ?3 - real -> controlled282// no confirmation required, so addresses can be easily generated283decl_storage! {284 trait Store for Module<T: Config> as Nft {285286 //#region Private members287 /// Id of next collection288 CreatedCollectionCount: u32;289 /// Used for migrations290 ChainVersion: u64;291 /// Id of last collection token292 /// Collection id (controlled?1)293 ItemListIndex: map hasher(blake2_128_concat) CollectionId => TokenId;294 //#endregion295296 //#region Bound counters297 /// Amount of collections destroyed, used for total amount tracking with298 /// CreatedCollectionCount299 DestroyedCollectionCount: u32;300 /// Total amount of account owned tokens (NFTs + RFTs + unique fungibles)301 /// Account id (real)302 pub AccountItemCount get(fn account_item_count): map hasher(twox_64_concat) T::AccountId => u32;303 //#endregion304305 //#region Basic collections306 /// Collection info307 /// Collection id (controlled?1)308 pub CollectionById get(fn collection_id) config(): map hasher(blake2_128_concat) CollectionId => Option<Collection<T>> = None;309 /// List of collection admins310 /// Collection id (controlled?2)311 pub AdminList get(fn admin_list_collection): map hasher(blake2_128_concat) CollectionId => Vec<T::CrossAccountId>;312 /// Whitelisted collection users313 /// Collection id (controlled?2), user id (controlled?3)314 pub WhiteList get(fn white_list): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => bool;315 //#endregion316317 /// How many of collection items user have318 /// Collection id (controlled?2), account id (real)319 pub Balance get(fn balance_count): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => u128;320321 /// Amount of items which spender can transfer out of owners account (via transferFrom)322 /// Collection id (controlled?2), (token id (controlled ?2) + owner account id (real) + spender account id (controlled?3))323 /// TODO: Off chain worker should remove from this map when token gets removed324 pub Allowances get(fn approved): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) (TokenId, T::AccountId, T::AccountId) => u128;325326 //#region Item collections327 /// Collection id (controlled?2), token id (controlled?1)328 pub NftItemList get(fn nft_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<NftItemType<T::CrossAccountId>>;329 /// Collection id (controlled?2), owner (controlled?2)330 pub FungibleItemList get(fn fungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => FungibleItemType;331 /// Collection id (controlled?2), token id (controlled?1)332 pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<ReFungibleItemType<T::CrossAccountId>>;333 //#endregion334335 //#region Index list336 /// Collection id (controlled?2), tokens owner (controlled?2)337 pub AddressTokens get(fn address_tokens): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => Vec<TokenId>;338 //#endregion339340 //#region Tokens transfer rate limit baskets341 /// (Collection id (controlled?2), who created (real))342 /// TODO: Off chain worker should remove from this map when collection gets removed343 pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => T::BlockNumber;344 /// Collection id (controlled?2), token id (controlled?2)345 pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;346 /// Collection id (controlled?2), owning user (real)347 pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => T::BlockNumber;348 /// Collection id (controlled?2), token id (controlled?2)349 pub ReFungibleTransferBasket get(fn refungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;350 //#endregion351352 /// Variable metadata sponsoring353 /// Collection id (controlled?2), token id (controlled?2)354 pub VariableMetaDataBasket get(fn variable_meta_data_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber> = None;355 }356 add_extra_genesis {357 build(|config: &GenesisConfig<T>| {358 // Modification of storage359 for (_num, _c) in &config.collection_id {360 <Module<T>>::init_collection(_c);361 }362363 for (_num, _c, _i) in &config.nft_item_id {364 <Module<T>>::init_nft_token(*_c, _i);365 }366367 for (collection_id, account_id, fungible_item) in &config.fungible_item_id {368 <Module<T>>::init_fungible_token(*collection_id, &T::CrossAccountId::from_sub(account_id.clone()), fungible_item);369 }370371 for (_num, _c, _i) in &config.refungible_item_id {372 <Module<T>>::init_refungible_token(*_c, _i);373 }374 })375 }376}377378decl_event!(379 pub enum Event<T>380 where381 AccountId = <T as frame_system::Config>::AccountId,382 CrossAccountId = <T as Config>::CrossAccountId,383 {384 /// New collection was created385 ///386 /// # Arguments387 ///388 /// * collection_id: Globally unique identifier of newly created collection.389 ///390 /// * mode: [CollectionMode] converted into u8.391 ///392 /// * account_id: Collection owner.393 CollectionCreated(CollectionId, u8, AccountId),394395 /// New item was created.396 ///397 /// # Arguments398 ///399 /// * collection_id: Id of the collection where item was created.400 ///401 /// * item_id: Id of an item. Unique within the collection.402 ///403 /// * recipient: Owner of newly created item404 ItemCreated(CollectionId, TokenId, CrossAccountId),405406 /// Collection item was burned.407 ///408 /// # Arguments409 ///410 /// collection_id.411 ///412 /// item_id: Identifier of burned NFT.413 ItemDestroyed(CollectionId, TokenId),414415 /// Item was transferred416 ///417 /// * collection_id: Id of collection to which item is belong418 ///419 /// * item_id: Id of an item420 ///421 /// * sender: Original owner of item422 ///423 /// * recipient: New owner of item424 ///425 /// * amount: Always 1 for NFT426 Transfer(CollectionId, TokenId, CrossAccountId, CrossAccountId, u128),427428 /// * collection_id429 ///430 /// * item_id431 ///432 /// * sender433 ///434 /// * spender435 ///436 /// * amount437 Approved(CollectionId, TokenId, CrossAccountId, CrossAccountId, u128),438 }439);440441decl_module! {442 pub struct Module<T: Config> for enum Call443 where444 origin: T::Origin445 {446 fn deposit_event() = default;447 const CollectionAdminsLimit: u64 = COLLECTION_ADMINS_LIMIT;448 type Error = Error<T>;449450 fn on_initialize(_now: T::BlockNumber) -> Weight {451 0452 }453454 /// This method creates a Collection of NFTs. Each Token may have multiple properties encoded as an array of bytes of certain length. The initial owner and admin of the collection are set to the address that signed the transaction. Both addresses can be changed later.455 ///456 /// # Permissions457 ///458 /// * Anyone.459 ///460 /// # Arguments461 ///462 /// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.463 ///464 /// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.465 ///466 /// * token_prefix: UTF-8 string with token prefix.467 ///468 /// * mode: [CollectionMode] collection type and type dependent data.469 // returns collection ID470 #[weight = <SelfWeightOf<T>>::create_collection()]471 #[transactional]472 pub fn create_collection(origin,473 collection_name: Vec<u16>,474 collection_description: Vec<u16>,475 token_prefix: Vec<u8>,476 mode: CollectionMode) -> DispatchResult {477478 // Anyone can create a collection479 let who = ensure_signed(origin)?;480481 // Take a (non-refundable) deposit of collection creation482 let mut imbalance = <<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();483 imbalance.subsume(<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(484 &T::TreasuryAccountId::get(),485 T::CollectionCreationPrice::get(),486 ));487 <T as Config>::Currency::settle(488 &who,489 imbalance,490 WithdrawReasons::TRANSFER,491 ExistenceRequirement::KeepAlive,492 ).map_err(|_| Error::<T>::NoPermission)?;493494 let decimal_points = match mode {495 CollectionMode::Fungible(points) => points,496 _ => 0497 };498499 let created_count = CreatedCollectionCount::get();500 let destroyed_count = DestroyedCollectionCount::get();501502 // bound Total number of collections503 ensure!(created_count - destroyed_count < COLLECTION_NUMBER_LIMIT, Error::<T>::TotalCollectionsLimitExceeded);504505 // check params506 ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);507 ensure!(collection_name.len() <= MAX_COLLECTION_NAME_LENGTH, Error::<T>::CollectionNameLimitExceeded);508 ensure!(collection_description.len() <= MAX_COLLECTION_DESCRIPTION_LENGTH, Error::<T>::CollectionDescriptionLimitExceeded);509 ensure!(token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH, Error::<T>::CollectionTokenPrefixLimitExceeded);510511 // Generate next collection ID512 let next_id = created_count513 .checked_add(1)514 .ok_or(Error::<T>::NumOverflow)?;515516 CreatedCollectionCount::put(next_id);517518 let limits = CollectionLimits {519 sponsored_data_size: CUSTOM_DATA_LIMIT,520 ..Default::default()521 };522523 // Create new collection524 let new_collection = Collection {525 owner: who.clone(),526 name: collection_name,527 mode: mode.clone(),528 mint_mode: false,529 access: AccessMode::Normal,530 description: collection_description,531 decimal_points,532 token_prefix,533 offchain_schema: Vec::new(),534 schema_version: SchemaVersion::ImageURL,535 sponsorship: SponsorshipState::Disabled,536 variable_on_chain_schema: Vec::new(),537 const_on_chain_schema: Vec::new(),538 limits,539 transfers_enabled: true,540 };541542 // Add new collection to map543 <CollectionById<T>>::insert(next_id, new_collection);544545 // call event546 Self::deposit_event(RawEvent::CollectionCreated(next_id, mode.id(), who));547548 Ok(())549 }550551 /// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.552 ///553 /// # Permissions554 ///555 /// * Collection Owner.556 ///557 /// # Arguments558 ///559 /// * collection_id: collection to destroy.560 #[weight = <SelfWeightOf<T>>::destroy_collection()]561 #[transactional]562 pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {563564 let sender = ensure_signed(origin)?;565 let collection = Self::get_collection(collection_id)?;566 Self::check_owner_permissions(&collection, &sender)?;567 if !collection.limits.owner_can_destroy {568 fail!(Error::<T>::NoPermission);569 }570571 <AddressTokens<T>>::remove_prefix(collection_id, None);572 <Allowances<T>>::remove_prefix(collection_id, None);573 <Balance<T>>::remove_prefix(collection_id, None);574 <ItemListIndex>::remove(collection_id);575 <AdminList<T>>::remove(collection_id);576 <CollectionById<T>>::remove(collection_id);577 <WhiteList<T>>::remove_prefix(collection_id, None);578579 <NftItemList<T>>::remove_prefix(collection_id, None);580 <FungibleItemList<T>>::remove_prefix(collection_id, None);581 <ReFungibleItemList<T>>::remove_prefix(collection_id, None);582583 <NftTransferBasket<T>>::remove_prefix(collection_id, None);584 <FungibleTransferBasket<T>>::remove_prefix(collection_id, None);585 <ReFungibleTransferBasket<T>>::remove_prefix(collection_id, None);586587 <VariableMetaDataBasket<T>>::remove_prefix(collection_id, None);588589 DestroyedCollectionCount::put(DestroyedCollectionCount::get()590 .checked_add(1)591 .ok_or(Error::<T>::NumOverflow)?);592593 Ok(())594 }595596 /// Add an address to white list.597 ///598 /// # Permissions599 ///600 /// * Collection Owner601 /// * Collection Admin602 ///603 /// # Arguments604 ///605 /// * collection_id.606 ///607 /// * address.608 #[weight = <SelfWeightOf<T>>::add_to_white_list()]609 #[transactional]610 pub fn add_to_white_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{611612 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);613 let collection = Self::get_collection(collection_id)?;614615 Self::toggle_white_list_internal(616 &sender,617 &collection,618 &address,619 true,620 )?;621622 Ok(())623 }624625 /// Remove an address from white list.626 ///627 /// # Permissions628 ///629 /// * Collection Owner630 /// * Collection Admin631 ///632 /// # Arguments633 ///634 /// * collection_id.635 ///636 /// * address.637 #[weight = <SelfWeightOf<T>>::remove_from_white_list()]638 #[transactional]639 pub fn remove_from_white_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{640641 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);642 let collection = Self::get_collection(collection_id)?;643644 Self::toggle_white_list_internal(645 &sender,646 &collection,647 &address,648 false,649 )?;650651 Ok(())652 }653654 /// Toggle between normal and white list access for the methods with access for `Anyone`.655 ///656 /// # Permissions657 ///658 /// * Collection Owner.659 ///660 /// # Arguments661 ///662 /// * collection_id.663 ///664 /// * mode: [AccessMode]665 #[weight = <SelfWeightOf<T>>::set_public_access_mode()]666 #[transactional]667 pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult668 {669 let sender = ensure_signed(origin)?;670671 let mut target_collection = Self::get_collection(collection_id)?;672 Self::check_owner_permissions(&target_collection, &sender)?;673 target_collection.access = mode;674 target_collection.save()675 }676677 /// Allows Anyone to create tokens if:678 /// * White List is enabled, and679 /// * Address is added to white list, and680 /// * This method was called with True parameter681 ///682 /// # Permissions683 /// * Collection Owner684 ///685 /// # Arguments686 ///687 /// * collection_id.688 ///689 /// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.690 #[weight = <SelfWeightOf<T>>::set_mint_permission()]691 #[transactional]692 pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult693 {694 let sender = ensure_signed(origin)?;695696 let mut target_collection = Self::get_collection(collection_id)?;697 Self::check_owner_permissions(&target_collection, &sender)?;698 target_collection.mint_mode = mint_permission;699 target_collection.save()700 }701702 /// Change the owner of the collection.703 ///704 /// # Permissions705 ///706 /// * Collection Owner.707 ///708 /// # Arguments709 ///710 /// * collection_id.711 ///712 /// * new_owner.713 #[weight = <SelfWeightOf<T>>::change_collection_owner()]714 #[transactional]715 pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {716717 let sender = ensure_signed(origin)?;718 let mut target_collection = Self::get_collection(collection_id)?;719 Self::check_owner_permissions(&target_collection, &sender)?;720 target_collection.owner = new_owner;721 target_collection.save()722 }723724 /// Adds an admin of the Collection.725 /// NFT Collection can be controlled by multiple admin addresses (some which can also be servers, for example). Admins can issue and burn NFTs, as well as add and remove other admins, but cannot change NFT or Collection ownership.726 ///727 /// # Permissions728 ///729 /// * Collection Owner.730 /// * Collection Admin.731 ///732 /// # Arguments733 ///734 /// * collection_id: ID of the Collection to add admin for.735 ///736 /// * new_admin_id: Address of new admin to add.737 #[weight = <SelfWeightOf<T>>::add_collection_admin()]738 #[transactional]739 pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::CrossAccountId) -> DispatchResult {740 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);741 let collection = Self::get_collection(collection_id)?;742 Self::check_owner_or_admin_permissions(&collection, &sender)?;743 let mut admin_arr = <AdminList<T>>::get(collection_id);744745 match admin_arr.binary_search(&new_admin_id) {746 Ok(_) => {},747 Err(idx) => {748 ensure!(admin_arr.len() < COLLECTION_ADMINS_LIMIT as usize, Error::<T>::CollectionAdminsLimitExceeded);749 admin_arr.insert(idx, new_admin_id);750 <AdminList<T>>::insert(collection_id, admin_arr);751 }752 }753 Ok(())754 }755756 /// Remove admin address of the Collection. An admin address can remove itself. List of admins may become empty, in which case only Collection Owner will be able to add an Admin.757 ///758 /// # Permissions759 ///760 /// * Collection Owner.761 /// * Collection Admin.762 ///763 /// # Arguments764 ///765 /// * collection_id: ID of the Collection to remove admin for.766 ///767 /// * account_id: Address of admin to remove.768 #[weight = <SelfWeightOf<T>>::remove_collection_admin()]769 #[transactional]770 pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::CrossAccountId) -> DispatchResult {771 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);772 let collection = Self::get_collection(collection_id)?;773 Self::check_owner_or_admin_permissions(&collection, &sender)?;774 let mut admin_arr = <AdminList<T>>::get(collection_id);775776 if let Ok(idx) = admin_arr.binary_search(&account_id) {777 admin_arr.remove(idx);778 <AdminList<T>>::insert(collection_id, admin_arr);779 }780 Ok(())781 }782783 /// # Permissions784 ///785 /// * Collection Owner786 ///787 /// # Arguments788 ///789 /// * collection_id.790 ///791 /// * new_sponsor.792 #[weight = <SelfWeightOf<T>>::set_collection_sponsor()]793 #[transactional]794 pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {795 let sender = ensure_signed(origin)?;796 let mut target_collection = Self::get_collection(collection_id)?;797 Self::check_owner_permissions(&target_collection, &sender)?;798799 target_collection.sponsorship = SponsorshipState::Unconfirmed(new_sponsor);800 target_collection.save()801 }802803 /// # Permissions804 ///805 /// * Sponsor.806 ///807 /// # Arguments808 ///809 /// * collection_id.810 #[weight = <SelfWeightOf<T>>::confirm_sponsorship()]811 #[transactional]812 pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {813 let sender = ensure_signed(origin)?;814815 let mut target_collection = Self::get_collection(collection_id)?;816 ensure!(817 target_collection.sponsorship.pending_sponsor() == Some(&sender),818 Error::<T>::ConfirmUnsetSponsorFail819 );820821 target_collection.sponsorship = SponsorshipState::Confirmed(sender);822 target_collection.save()823 }824825 /// Switch back to pay-per-own-transaction model.826 ///827 /// # Permissions828 ///829 /// * Collection owner.830 ///831 /// # Arguments832 ///833 /// * collection_id.834 #[weight = <SelfWeightOf<T>>::remove_collection_sponsor()]835 #[transactional]836 pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {837 let sender = ensure_signed(origin)?;838839 let mut target_collection = Self::get_collection(collection_id)?;840 Self::check_owner_permissions(&target_collection, &sender)?;841842 target_collection.sponsorship = SponsorshipState::Disabled;843 target_collection.save()844 }845846 /// This method creates a concrete instance of NFT Collection created with CreateCollection method.847 ///848 /// # Permissions849 ///850 /// * Collection Owner.851 /// * Collection Admin.852 /// * Anyone if853 /// * White List is enabled, and854 /// * Address is added to white list, and855 /// * MintPermission is enabled (see SetMintPermission method)856 ///857 /// # Arguments858 ///859 /// * collection_id: ID of the collection.860 ///861 /// * owner: Address, initial owner of the NFT.862 ///863 /// * data: Token data to store on chain.864 // #[weight =865 // (130_000_000 as Weight)866 // .saturating_add((2135 as Weight).saturating_mul((properties.len() as u64) as Weight))867 // .saturating_add(RocksDbWeight::get().reads(10 as Weight))868 // .saturating_add(RocksDbWeight::get().writes(8 as Weight))]869870 #[weight = <SelfWeightOf<T>>::create_item(data.data_size() as u32)]871 #[transactional]872 pub fn create_item(origin, collection_id: CollectionId, owner: T::CrossAccountId, data: CreateItemData) -> DispatchResult {873 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);874 let collection = Self::get_collection(collection_id)?;875876 Self::create_item_internal(&sender, &collection, &owner, data)?;877878 collection.submit_logs()879 }880881 /// This method creates multiple items in a collection created with CreateCollection method.882 ///883 /// # Permissions884 ///885 /// * Collection Owner.886 /// * Collection Admin.887 /// * Anyone if888 /// * White List is enabled, and889 /// * Address is added to white list, and890 /// * MintPermission is enabled (see SetMintPermission method)891 ///892 /// # Arguments893 ///894 /// * collection_id: ID of the collection.895 ///896 /// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].897 ///898 /// * owner: Address, initial owner of the NFT.899 #[weight = <SelfWeightOf<T>>::create_item(items_data.iter()900 .map(|data| { data.data_size() as u32 })901 .sum())]902 #[transactional]903 pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResult {904905 ensure!(!items_data.is_empty(), Error::<T>::EmptyArgument);906 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);907 let collection = Self::get_collection(collection_id)?;908909 Self::create_multiple_items_internal(&sender, &collection, &owner, items_data)?;910911 collection.submit_logs()912 }913914 // TODO! transaction weight915916 /// Set transfers_enabled value for particular collection917 ///918 /// # Permissions919 ///920 /// * Collection Owner.921 ///922 /// # Arguments923 ///924 /// * collection_id: ID of the collection.925 ///926 /// * value: New flag value.927 #[weight = <SelfWeightOf<T>>::burn_item()]928 #[transactional]929 pub fn set_transfers_enabled_flag(origin, collection_id: CollectionId, value: bool) -> DispatchResult {930931 let sender = ensure_signed(origin)?;932 let mut target_collection = Self::get_collection(collection_id)?;933934 Self::check_owner_permissions(&target_collection, &sender)?;935936 target_collection.transfers_enabled = value;937 target_collection.save()938 }939940 /// Destroys a concrete instance of NFT.941 ///942 /// # Permissions943 ///944 /// * Collection Owner.945 /// * Collection Admin.946 /// * Current NFT Owner.947 ///948 /// # Arguments949 ///950 /// * collection_id: ID of the collection.951 ///952 /// * item_id: ID of NFT to burn.953 #[weight = <SelfWeightOf<T>>::burn_item()]954 #[transactional]955 pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {956957 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);958 let target_collection = Self::get_collection(collection_id)?;959960 Self::burn_item_internal(&sender, &target_collection, item_id, value)?;961962 target_collection.submit_logs()963 }964965 /// Change ownership of the token.966 ///967 /// # Permissions968 ///969 /// * Collection Owner970 /// * Collection Admin971 /// * Current NFT owner972 ///973 /// # Arguments974 ///975 /// * recipient: Address of token recipient.976 ///977 /// * collection_id.978 ///979 /// * item_id: ID of the item980 /// * Non-Fungible Mode: Required.981 /// * Fungible Mode: Ignored.982 /// * Re-Fungible Mode: Required.983 ///984 /// * value: Amount to transfer.985 /// * Non-Fungible Mode: Ignored986 /// * Fungible Mode: Must specify transferred amount987 /// * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)988 #[weight = <SelfWeightOf<T>>::transfer()]989 #[transactional]990 pub fn transfer(origin, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {991 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);992 let collection = Self::get_collection(collection_id)?;993994 Self::transfer_internal(&sender, &recipient, &collection, item_id, value)?;995996 collection.submit_logs()997 }998999 /// Set, change, or remove approved address to transfer the ownership of the NFT.1000 ///1001 /// # Permissions1002 ///1003 /// * Collection Owner1004 /// * Collection Admin1005 /// * Current NFT owner1006 ///1007 /// # Arguments1008 ///1009 /// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).1010 ///1011 /// * collection_id.1012 ///1013 /// * item_id: ID of the item.1014 #[weight = <SelfWeightOf<T>>::approve()]1015 #[transactional]1016 pub fn approve(origin, spender: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResult {1017 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1018 let collection = Self::get_collection(collection_id)?;10191020 Self::approve_internal(&sender, &spender, &collection, item_id, amount)?;10211022 collection.submit_logs()1023 }10241025 /// Change ownership of a NFT on behalf of the owner. See Approve method for additional information. After this method executes, the approval is removed so that the approved address will not be able to transfer this NFT again from this owner.1026 ///1027 /// # Permissions1028 /// * Collection Owner1029 /// * Collection Admin1030 /// * Current NFT owner1031 /// * Address approved by current NFT owner1032 ///1033 /// # Arguments1034 ///1035 /// * from: Address that owns token.1036 ///1037 /// * recipient: Address of token recipient.1038 ///1039 /// * collection_id.1040 ///1041 /// * item_id: ID of the item.1042 ///1043 /// * value: Amount to transfer.1044 #[weight = <SelfWeightOf<T>>::transfer_from()]1045 #[transactional]1046 pub fn transfer_from(origin, from: T::CrossAccountId, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResult {1047 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1048 let collection = Self::get_collection(collection_id)?;10491050 Self::transfer_from_internal(&sender, &from, &recipient, &collection, item_id, value)?;10511052 collection.submit_logs()1053 }1054 // #[weight = 0]1055 // // let no_perm_mes = "You do not have permissions to modify this collection";1056 // // ensure!(<ApprovedList<T>>::contains_key((collection_id, item_id)), no_perm_mes);1057 // // let list_itm = <ApprovedList<T>>::get((collection_id, item_id));1058 // // ensure!(list_itm.contains(&new_owner.clone()), no_perm_mes);10591060 // // // on_nft_received call10611062 // // Self::transfer(origin, collection_id, item_id, new_owner)?;10631064 // Ok(())1065 // }10661067 /// Set off-chain data schema.1068 ///1069 /// # Permissions1070 ///1071 /// * Collection Owner1072 /// * Collection Admin1073 ///1074 /// # Arguments1075 ///1076 /// * collection_id.1077 ///1078 /// * schema: String representing the offchain data schema.1079 #[weight = <SelfWeightOf<T>>::set_variable_meta_data(data.len() as u32)]1080 #[transactional]1081 pub fn set_variable_meta_data (1082 origin,1083 collection_id: CollectionId,1084 item_id: TokenId,1085 data: Vec<u8>1086 ) -> DispatchResult {1087 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);10881089 let collection = Self::get_collection(collection_id)?;10901091 Self::set_variable_meta_data_internal(&sender, &collection, item_id, data)?;10921093 Ok(())1094 }10951096 /// Set schema standard1097 /// ImageURL1098 /// Unique1099 ///1100 /// # Permissions1101 ///1102 /// * Collection Owner1103 /// * Collection Admin1104 ///1105 /// # Arguments1106 ///1107 /// * collection_id.1108 ///1109 /// * schema: SchemaVersion: enum1110 #[weight = <SelfWeightOf<T>>::set_schema_version()]1111 #[transactional]1112 pub fn set_schema_version(1113 origin,1114 collection_id: CollectionId,1115 version: SchemaVersion1116 ) -> DispatchResult {1117 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1118 let mut target_collection = Self::get_collection(collection_id)?;1119 Self::check_owner_or_admin_permissions(&target_collection, &sender)?;1120 target_collection.schema_version = version;1121 target_collection.save()1122 }11231124 /// Set off-chain data schema.1125 ///1126 /// # Permissions1127 ///1128 /// * Collection Owner1129 /// * Collection Admin1130 ///1131 /// # Arguments1132 ///1133 /// * collection_id.1134 ///1135 /// * schema: String representing the offchain data schema.1136 #[weight = <SelfWeightOf<T>>::set_offchain_schema(schema.len() as u32)]1137 #[transactional]1138 pub fn set_offchain_schema(1139 origin,1140 collection_id: CollectionId,1141 schema: Vec<u8>1142 ) -> DispatchResult {1143 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1144 let mut target_collection = Self::get_collection(collection_id)?;1145 Self::check_owner_or_admin_permissions(&target_collection, &sender)?;11461147 // check schema limit1148 ensure!(schema.len() as u32 <= OFFCHAIN_SCHEMA_LIMIT, "");11491150 target_collection.offchain_schema = schema;1151 target_collection.save()1152 }11531154 /// Set const on-chain data schema.1155 ///1156 /// # Permissions1157 ///1158 /// * Collection Owner1159 /// * Collection Admin1160 ///1161 /// # Arguments1162 ///1163 /// * collection_id.1164 ///1165 /// * schema: String representing the const on-chain data schema.1166 #[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1167 #[transactional]1168 pub fn set_const_on_chain_schema (1169 origin,1170 collection_id: CollectionId,1171 schema: Vec<u8>1172 ) -> DispatchResult {1173 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1174 let mut target_collection = Self::get_collection(collection_id)?;1175 Self::check_owner_or_admin_permissions(&target_collection, &sender)?;11761177 // check schema limit1178 ensure!(schema.len() as u32 <= CONST_ON_CHAIN_SCHEMA_LIMIT, "");11791180 target_collection.const_on_chain_schema = schema;1181 target_collection.save()1182 }11831184 /// Set variable on-chain data schema.1185 ///1186 /// # Permissions1187 ///1188 /// * Collection Owner1189 /// * Collection Admin1190 ///1191 /// # Arguments1192 ///1193 /// * collection_id.1194 ///1195 /// * schema: String representing the variable on-chain data schema.1196 #[weight = <SelfWeightOf<T>>::set_const_on_chain_schema(schema.len() as u32)]1197 #[transactional]1198 pub fn set_variable_on_chain_schema (1199 origin,1200 collection_id: CollectionId,1201 schema: Vec<u8>1202 ) -> DispatchResult {1203 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1204 let mut target_collection = Self::get_collection(collection_id)?;1205 Self::check_owner_or_admin_permissions(&target_collection, &sender)?;12061207 // check schema limit1208 ensure!(schema.len() as u32 <= VARIABLE_ON_CHAIN_SCHEMA_LIMIT, "");12091210 target_collection.variable_on_chain_schema = schema;1211 target_collection.save()1212 }12131214 #[weight = <SelfWeightOf<T>>::set_collection_limits()]1215 #[transactional]1216 pub fn set_collection_limits(1217 origin,1218 collection_id: u32,1219 new_limits: CollectionLimits<T::BlockNumber>,1220 ) -> DispatchResult {1221 let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);1222 let mut target_collection = Self::get_collection(collection_id)?;1223 Self::check_owner_permissions(&target_collection, sender.as_sub())?;1224 let old_limits = &target_collection.limits;12251226 // collection bounds1227 ensure!(new_limits.sponsor_transfer_timeout <= MAX_SPONSOR_TIMEOUT &&1228 new_limits.account_token_ownership_limit <= MAX_TOKEN_OWNERSHIP &&1229 new_limits.sponsored_data_size <= CUSTOM_DATA_LIMIT,1230 Error::<T>::CollectionLimitBoundsExceeded);12311232 // token_limit check prev1233 ensure!(old_limits.token_limit >= new_limits.token_limit, Error::<T>::CollectionTokenLimitExceeded);1234 ensure!(new_limits.token_limit > 0, Error::<T>::CollectionTokenLimitExceeded);12351236 ensure!(1237 (old_limits.owner_can_transfer || !new_limits.owner_can_transfer) &&1238 (old_limits.owner_can_destroy || !new_limits.owner_can_destroy),1239 Error::<T>::OwnerPermissionsCantBeReverted,1240 );12411242 target_collection.limits = new_limits;12431244 target_collection.save()1245 }1246 }1247}12481249impl<T: Config> Module<T> {1250 pub fn create_item_internal(1251 sender: &T::CrossAccountId,1252 collection: &CollectionHandle<T>,1253 owner: &T::CrossAccountId,1254 data: CreateItemData,1255 ) -> DispatchResult {1256 ensure!(1257 owner != &T::CrossAccountId::from_eth(H160([0; 20])),1258 Error::<T>::AddressIsZero1259 );12601261 Self::can_create_items_in_collection(collection, sender, owner, 1)?;1262 Self::validate_create_item_args(collection, &data)?;1263 Self::create_item_no_validation(collection, owner, data)?;12641265 Ok(())1266 }12671268 pub fn transfer_internal(1269 sender: &T::CrossAccountId,1270 recipient: &T::CrossAccountId,1271 target_collection: &CollectionHandle<T>,1272 item_id: TokenId,1273 value: u128,1274 ) -> DispatchResult {1275 ensure!(1276 recipient != &T::CrossAccountId::from_eth(H160([0; 20])),1277 Error::<T>::AddressIsZero1278 );12791280 // Limits check1281 Self::is_correct_transfer(target_collection, recipient)?;12821283 // Transfer permissions check1284 ensure!(1285 Self::is_item_owner(sender, target_collection, item_id)?1286 || Self::is_owner_or_admin_permissions(target_collection, sender)?,1287 Error::<T>::NoPermission1288 );12891290 if target_collection.access == AccessMode::WhiteList {1291 Self::check_white_list(target_collection, sender)?;1292 Self::check_white_list(target_collection, recipient)?;1293 }12941295 match target_collection.mode {1296 CollectionMode::NFT => Self::transfer_nft(1297 target_collection,1298 item_id,1299 sender.clone(),1300 recipient.clone(),1301 )?,1302 CollectionMode::Fungible(_) => {1303 Self::transfer_fungible(target_collection, value, sender, recipient)?1304 }1305 CollectionMode::ReFungible => Self::transfer_refungible(1306 target_collection,1307 item_id,1308 value,1309 sender.clone(),1310 recipient.clone(),1311 )?,1312 _ => (),1313 };13141315 Self::deposit_event(RawEvent::Transfer(1316 target_collection.id,1317 item_id,1318 sender.clone(),1319 recipient.clone(),1320 value,1321 ));13221323 Ok(())1324 }13251326 pub fn approve_internal(1327 sender: &T::CrossAccountId,1328 spender: &T::CrossAccountId,1329 collection: &CollectionHandle<T>,1330 item_id: TokenId,1331 amount: u128,1332 ) -> DispatchResult {1333 Self::token_exists(collection, item_id)?;13341335 // Transfer permissions check1336 let bypasses_limits = collection.limits.owner_can_transfer1337 && Self::is_owner_or_admin_permissions(collection, sender)?;13381339 let allowance_limit = if bypasses_limits {1340 None1341 } else if let Some(amount) = Self::owned_amount(sender, collection, item_id)? {1342 Some(amount)1343 } else {1344 fail!(Error::<T>::NoPermission);1345 };13461347 if collection.access == AccessMode::WhiteList {1348 Self::check_white_list(collection, sender)?;1349 Self::check_white_list(collection, spender)?;1350 }13511352 collection.consume_sload()?;1353 let allowance: u128 = amount1354 .checked_add(<Allowances<T>>::get(1355 collection.id,1356 (item_id, sender.as_sub(), spender.as_sub()),1357 ))1358 .ok_or(Error::<T>::NumOverflow)?;1359 if let Some(limit) = allowance_limit {1360 ensure!(limit >= allowance, Error::<T>::TokenValueTooLow);1361 }1362 collection.consume_sstore()?;1363 <Allowances<T>>::insert(1364 collection.id,1365 (item_id, sender.as_sub(), spender.as_sub()),1366 allowance,1367 );13681369 if matches!(collection.mode, CollectionMode::NFT) {1370 // TODO: NFT: only one owner may exist for token in ERC7211371 collection.log(ERC721Events::Approval {1372 owner: *sender.as_eth(),1373 approved: *spender.as_eth(),1374 token_id: item_id.into(),1375 })?;1376 }13771378 if matches!(collection.mode, CollectionMode::Fungible(_)) {1379 // TODO: NFT: only one owner may exist for token in ERC201380 collection.log(ERC20Events::Approval {1381 owner: *sender.as_eth(),1382 spender: *spender.as_eth(),1383 value: allowance.into(),1384 })?;1385 }13861387 Self::deposit_event(RawEvent::Approved(1388 collection.id,1389 item_id,1390 sender.clone(),1391 spender.clone(),1392 allowance,1393 ));1394 Ok(())1395 }13961397 pub fn transfer_from_internal(1398 sender: &T::CrossAccountId,1399 from: &T::CrossAccountId,1400 recipient: &T::CrossAccountId,1401 collection: &CollectionHandle<T>,1402 item_id: TokenId,1403 amount: u128,1404 ) -> DispatchResult {1405 if sender == from {1406 // Transfer by `from`, because it is either equal to sender, or derived from him1407 return Self::transfer_internal(from, recipient, collection, item_id, amount);1408 }14091410 // Check approval1411 collection.consume_sload()?;1412 let approval: u128 =1413 <Allowances<T>>::get(collection.id, (item_id, from.as_sub(), sender.as_sub()));14141415 // Limits check1416 Self::is_correct_transfer(collection, recipient)?;14171418 // Transfer permissions check1419 ensure!(1420 approval >= amount1421 || (collection.limits.owner_can_transfer1422 && Self::is_owner_or_admin_permissions(collection, sender)?),1423 Error::<T>::NoPermission1424 );14251426 if collection.access == AccessMode::WhiteList {1427 Self::check_white_list(collection, sender)?;1428 Self::check_white_list(collection, recipient)?;1429 }14301431 // Reduce approval by transferred amount or remove if remaining approval drops to 01432 let allowance = approval.saturating_sub(amount);1433 collection.consume_sstore()?;1434 if allowance > 0 {1435 <Allowances<T>>::insert(1436 collection.id,1437 (item_id, from.as_sub(), sender.as_sub()),1438 allowance,1439 );1440 } else {1441 <Allowances<T>>::remove(collection.id, (item_id, from.as_sub(), sender.as_sub()));1442 }14431444 match collection.mode {1445 CollectionMode::NFT => {1446 Self::transfer_nft(collection, item_id, from.clone(), recipient.clone())?1447 }1448 CollectionMode::Fungible(_) => {1449 Self::transfer_fungible(collection, amount, from, recipient)?1450 }1451 CollectionMode::ReFungible => Self::transfer_refungible(1452 collection,1453 item_id,1454 amount,1455 from.clone(),1456 recipient.clone(),1457 )?,1458 _ => (),1459 };14601461 if matches!(collection.mode, CollectionMode::Fungible(_)) {1462 collection.log(ERC20Events::Approval {1463 owner: *from.as_eth(),1464 spender: *sender.as_eth(),1465 value: allowance.into(),1466 })?;1467 }14681469 Ok(())1470 }14711472 pub fn set_variable_meta_data_internal(1473 sender: &T::CrossAccountId,1474 collection: &CollectionHandle<T>,1475 item_id: TokenId,1476 data: Vec<u8>,1477 ) -> DispatchResult {1478 Self::token_exists(collection, item_id)?;14791480 ensure!(1481 CUSTOM_DATA_LIMIT >= data.len() as u32,1482 Error::<T>::TokenVariableDataLimitExceeded1483 );14841485 // Modify permissions check1486 ensure!(1487 Self::is_item_owner(sender, collection, item_id)?1488 || Self::is_owner_or_admin_permissions(collection, sender)?,1489 Error::<T>::NoPermission1490 );14911492 match collection.mode {1493 CollectionMode::NFT => Self::set_nft_variable_data(collection, item_id, data)?,1494 CollectionMode::ReFungible => {1495 Self::set_re_fungible_variable_data(collection, item_id, data)?1496 }1497 CollectionMode::Fungible(_) => fail!(Error::<T>::CantStoreMetadataInFungibleTokens),1498 _ => fail!(Error::<T>::UnexpectedCollectionType),1499 };15001501 Ok(())1502 }15031504 pub fn create_multiple_items_internal(1505 sender: &T::CrossAccountId,1506 collection: &CollectionHandle<T>,1507 owner: &T::CrossAccountId,1508 items_data: Vec<CreateItemData>,1509 ) -> DispatchResult {1510 Self::can_create_items_in_collection(collection, sender, owner, items_data.len() as u32)?;15111512 for data in &items_data {1513 Self::validate_create_item_args(collection, data)?;1514 }1515 for data in &items_data {1516 Self::create_item_no_validation(collection, owner, data.clone())?;1517 }15181519 Ok(())1520 }15211522 pub fn burn_item_internal(1523 sender: &T::CrossAccountId,1524 collection: &CollectionHandle<T>,1525 item_id: TokenId,1526 value: u128,1527 ) -> DispatchResult {1528 ensure!(1529 Self::is_item_owner(sender, collection, item_id)?1530 || (collection.limits.owner_can_transfer1531 && Self::is_owner_or_admin_permissions(collection, sender)?),1532 Error::<T>::NoPermission1533 );15341535 if collection.access == AccessMode::WhiteList {1536 Self::check_white_list(collection, sender)?;1537 }15381539 match collection.mode {1540 CollectionMode::NFT => Self::burn_nft_item(collection, item_id)?,1541 CollectionMode::Fungible(_) => Self::burn_fungible_item(sender, collection, value)?,1542 CollectionMode::ReFungible => Self::burn_refungible_item(collection, item_id, sender)?,1543 _ => (),1544 };15451546 Ok(())1547 }15481549 pub fn toggle_white_list_internal(1550 sender: &T::CrossAccountId,1551 collection: &CollectionHandle<T>,1552 address: &T::CrossAccountId,1553 whitelisted: bool,1554 ) -> DispatchResult {1555 Self::check_owner_or_admin_permissions(collection, sender)?;15561557 if whitelisted {1558 <WhiteList<T>>::insert(collection.id, address.as_sub(), true);1559 } else {1560 <WhiteList<T>>::remove(collection.id, address.as_sub());1561 }15621563 Ok(())1564 }15651566 fn is_correct_transfer(1567 collection: &CollectionHandle<T>,1568 recipient: &T::CrossAccountId,1569 ) -> DispatchResult {1570 let collection_id = collection.id;15711572 // check token limit and account token limit1573 collection.consume_sload()?;1574 let account_items: u32 =1575 <AddressTokens<T>>::get(collection_id, recipient.as_sub()).len() as u32;1576 ensure!(1577 collection.limits.account_token_ownership_limit > account_items,1578 Error::<T>::AccountTokenLimitExceeded1579 );15801581 // preliminary transfer check1582 ensure!(collection.transfers_enabled, Error::<T>::TransferNotAllowed);15831584 Ok(())1585 }15861587 fn can_create_items_in_collection(1588 collection: &CollectionHandle<T>,1589 sender: &T::CrossAccountId,1590 owner: &T::CrossAccountId,1591 amount: u32,1592 ) -> DispatchResult {1593 let collection_id = collection.id;15941595 // check token limit and account token limit1596 let total_items: u32 = ItemListIndex::get(collection_id)1597 .checked_add(amount)1598 .ok_or(Error::<T>::CollectionTokenLimitExceeded)?;1599 let account_items: u32 = (<AddressTokens<T>>::get(collection_id, owner.as_sub()).len()1600 as u32)1601 .checked_add(amount)1602 .ok_or(Error::<T>::AccountTokenLimitExceeded)?;1603 ensure!(1604 collection.limits.token_limit >= total_items,1605 Error::<T>::CollectionTokenLimitExceeded1606 );1607 ensure!(1608 collection.limits.account_token_ownership_limit >= account_items,1609 Error::<T>::AccountTokenLimitExceeded1610 );16111612 if !Self::is_owner_or_admin_permissions(collection, sender)? {1613 ensure!(collection.mint_mode, Error::<T>::PublicMintingNotAllowed);1614 Self::check_white_list(collection, owner)?;1615 Self::check_white_list(collection, sender)?;1616 }16171618 Ok(())1619 }16201621 fn validate_create_item_args(1622 target_collection: &CollectionHandle<T>,1623 data: &CreateItemData,1624 ) -> DispatchResult {1625 match target_collection.mode {1626 CollectionMode::NFT => {1627 if !matches!(data, CreateItemData::NFT(_)) {1628 fail!(Error::<T>::NotNftDataUsedToMintNftCollectionToken);1629 }1630 }1631 CollectionMode::Fungible(_) => {1632 if !matches!(data, CreateItemData::Fungible(_)) {1633 fail!(Error::<T>::NotFungibleDataUsedToMintFungibleCollectionToken);1634 }1635 }1636 CollectionMode::ReFungible => {1637 if let CreateItemData::ReFungible(data) = data {1638 // Check refungibility limits1639 ensure!(1640 data.pieces <= MAX_REFUNGIBLE_PIECES,1641 Error::<T>::WrongRefungiblePieces1642 );1643 ensure!(data.pieces > 0, Error::<T>::WrongRefungiblePieces);1644 } else {1645 fail!(Error::<T>::NotReFungibleDataUsedToMintReFungibleCollectionToken);1646 }1647 }1648 _ => {1649 fail!(Error::<T>::UnexpectedCollectionType);1650 }1651 };16521653 Ok(())1654 }16551656 fn create_item_no_validation(1657 collection: &CollectionHandle<T>,1658 owner: &T::CrossAccountId,1659 data: CreateItemData,1660 ) -> DispatchResult {1661 match data {1662 CreateItemData::NFT(data) => {1663 let item = NftItemType {1664 owner: owner.clone(),1665 const_data: data.const_data.into_inner(),1666 variable_data: data.variable_data.into_inner(),1667 };16681669 Self::add_nft_item(collection, item)?;1670 }1671 CreateItemData::Fungible(data) => {1672 Self::add_fungible_item(collection, owner, data.value)?;1673 }1674 CreateItemData::ReFungible(data) => {1675 let owner_list = vec![Ownership {1676 owner: owner.clone(),1677 fraction: data.pieces,1678 }];16791680 let item = ReFungibleItemType {1681 owner: owner_list,1682 const_data: data.const_data.into_inner(),1683 variable_data: data.variable_data.into_inner(),1684 };16851686 Self::add_refungible_item(collection, item)?;1687 }1688 };16891690 Ok(())1691 }16921693 fn add_fungible_item(1694 collection: &CollectionHandle<T>,1695 owner: &T::CrossAccountId,1696 value: u128,1697 ) -> DispatchResult {1698 let collection_id = collection.id;16991700 // Does new owner already have an account?1701 collection.consume_sload()?;1702 let balance: u128 = <FungibleItemList<T>>::get(collection_id, owner.as_sub()).value;17031704 // Mint1705 let item = FungibleItemType {1706 value: balance.checked_add(value).ok_or(Error::<T>::NumOverflow)?,1707 };1708 collection.consume_sstore()?;1709 <FungibleItemList<T>>::insert(collection_id, owner.as_sub(), item);17101711 // Update balance1712 collection.consume_sload()?;1713 let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())1714 .checked_add(value)1715 .ok_or(Error::<T>::NumOverflow)?;1716 collection.consume_sstore()?;1717 <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);17181719 collection.log(ERC20Events::Transfer {1720 from: H160::default(),1721 to: *owner.as_eth(),1722 value: value.into(),1723 })?;1724 Self::deposit_event(RawEvent::ItemCreated(collection_id, 0, owner.clone()));1725 Ok(())1726 }17271728 fn add_refungible_item(1729 collection: &CollectionHandle<T>,1730 item: ReFungibleItemType<T::CrossAccountId>,1731 ) -> DispatchResult {1732 let collection_id = collection.id;17331734 let current_index = <ItemListIndex>::get(collection_id)1735 .checked_add(1)1736 .ok_or(Error::<T>::NumOverflow)?;1737 let itemcopy = item.clone();17381739 ensure!(item.owner.len() == 1, Error::<T>::BadCreateRefungibleCall,);1740 let item_owner = item.owner.first().expect("only one owner is defined");17411742 let value = item_owner.fraction;1743 let owner = item_owner.owner.clone();17441745 Self::add_token_index(collection, current_index, &owner)?;17461747 <ItemListIndex>::insert(collection_id, current_index);1748 <ReFungibleItemList<T>>::insert(collection_id, current_index, itemcopy);17491750 // Update balance1751 let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())1752 .checked_add(value)1753 .ok_or(Error::<T>::NumOverflow)?;1754 <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);17551756 Self::deposit_event(RawEvent::ItemCreated(collection_id, current_index, owner));1757 Ok(())1758 }17591760 fn add_nft_item(1761 collection: &CollectionHandle<T>,1762 item: NftItemType<T::CrossAccountId>,1763 ) -> DispatchResult {1764 let collection_id = collection.id;17651766 let current_index = <ItemListIndex>::get(collection_id)1767 .checked_add(1)1768 .ok_or(Error::<T>::NumOverflow)?;17691770 let item_owner = item.owner.clone();1771 Self::add_token_index(collection, current_index, &item.owner)?;17721773 <ItemListIndex>::insert(collection_id, current_index);1774 <NftItemList<T>>::insert(collection_id, current_index, item);17751776 // Update balance1777 let new_balance = <Balance<T>>::get(collection_id, item_owner.as_sub())1778 .checked_add(1)1779 .ok_or(Error::<T>::NumOverflow)?;1780 <Balance<T>>::insert(collection_id, item_owner.as_sub(), new_balance);17811782 collection.log(ERC721Events::Transfer {1783 from: H160::default(),1784 to: *item_owner.as_eth(),1785 token_id: current_index.into(),1786 })?;1787 Self::deposit_event(RawEvent::ItemCreated(1788 collection_id,1789 current_index,1790 item_owner,1791 ));1792 Ok(())1793 }17941795 fn burn_refungible_item(1796 collection: &CollectionHandle<T>,1797 item_id: TokenId,1798 owner: &T::CrossAccountId,1799 ) -> DispatchResult {1800 let collection_id = collection.id;18011802 let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id)1803 .ok_or(Error::<T>::TokenNotFound)?;1804 let rft_balance = token1805 .owner1806 .iter()1807 .find(|&i| i.owner == *owner)1808 .ok_or(Error::<T>::TokenNotFound)?;1809 Self::remove_token_index(collection, item_id, owner)?;18101811 // update balance1812 let new_balance = <Balance<T>>::get(collection_id, rft_balance.owner.as_sub())1813 .checked_sub(rft_balance.fraction)1814 .ok_or(Error::<T>::NumOverflow)?;1815 <Balance<T>>::insert(collection_id, rft_balance.owner.as_sub(), new_balance);18161817 // Re-create owners list with sender removed1818 let index = token1819 .owner1820 .iter()1821 .position(|i| i.owner == *owner)1822 .expect("owned item is exists");1823 token.owner.remove(index);1824 let owner_count = token.owner.len();18251826 // Burn the token completely if this was the last (only) owner1827 if owner_count == 0 {1828 <ReFungibleItemList<T>>::remove(collection_id, item_id);1829 <VariableMetaDataBasket<T>>::remove(collection_id, item_id);1830 } else {1831 <ReFungibleItemList<T>>::insert(collection_id, item_id, token);1832 }18331834 Ok(())1835 }18361837 fn burn_nft_item(collection: &CollectionHandle<T>, item_id: TokenId) -> DispatchResult {1838 let collection_id = collection.id;18391840 let item =1841 <NftItemList<T>>::get(collection_id, item_id).ok_or(Error::<T>::TokenNotFound)?;1842 Self::remove_token_index(collection, item_id, &item.owner)?;18431844 // update balance1845 let new_balance = <Balance<T>>::get(collection_id, item.owner.as_sub())1846 .checked_sub(1)1847 .ok_or(Error::<T>::NumOverflow)?;1848 <Balance<T>>::insert(collection_id, item.owner.as_sub(), new_balance);1849 <NftItemList<T>>::remove(collection_id, item_id);1850 <VariableMetaDataBasket<T>>::remove(collection_id, item_id);18511852 collection.log(ERC721Events::Transfer {1853 from: *item.owner.as_eth(),1854 to: H160::default(),1855 token_id: item_id.into(),1856 })?;1857 Self::deposit_event(RawEvent::ItemDestroyed(collection.id, item_id));1858 Ok(())1859 }18601861 fn burn_fungible_item(1862 owner: &T::CrossAccountId,1863 collection: &CollectionHandle<T>,1864 value: u128,1865 ) -> DispatchResult {1866 let collection_id = collection.id;18671868 let mut balance = <FungibleItemList<T>>::get(collection_id, owner.as_sub());1869 ensure!(balance.value >= value, Error::<T>::TokenValueNotEnough);18701871 // update balance1872 let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())1873 .checked_sub(value)1874 .ok_or(Error::<T>::NumOverflow)?;1875 <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);18761877 if balance.value - value > 0 {1878 balance.value -= value;1879 <FungibleItemList<T>>::insert(collection_id, owner.as_sub(), balance);1880 } else {1881 <FungibleItemList<T>>::remove(collection_id, owner.as_sub());1882 }18831884 collection.log(ERC20Events::Transfer {1885 from: *owner.as_eth(),1886 to: H160::default(),1887 value: value.into(),1888 })?;1889 Ok(())1890 }18911892 pub fn get_collection(1893 collection_id: CollectionId,1894 ) -> Result<CollectionHandle<T>, sp_runtime::DispatchError> {1895 Ok(<CollectionHandle<T>>::get(collection_id).ok_or(Error::<T>::CollectionNotFound)?)1896 }18971898 fn check_owner_permissions(1899 target_collection: &CollectionHandle<T>,1900 subject: &T::AccountId,1901 ) -> DispatchResult {1902 ensure!(1903 *subject == target_collection.owner,1904 Error::<T>::NoPermission1905 );19061907 Ok(())1908 }19091910 fn is_owner_or_admin_permissions(1911 collection: &CollectionHandle<T>,1912 subject: &T::CrossAccountId,1913 ) -> Result<bool, DispatchError> {1914 collection.consume_sload()?;1915 Ok(*subject.as_sub() == collection.owner1916 || <AdminList<T>>::get(collection.id).contains(subject))1917 }19181919 fn check_owner_or_admin_permissions(1920 collection: &CollectionHandle<T>,1921 subject: &T::CrossAccountId,1922 ) -> DispatchResult {1923 ensure!(1924 Self::is_owner_or_admin_permissions(collection, subject)?,1925 Error::<T>::NoPermission1926 );19271928 Ok(())1929 }19301931 fn owned_amount(1932 subject: &T::CrossAccountId,1933 collection: &CollectionHandle<T>,1934 item_id: TokenId,1935 ) -> Result<Option<u128>, DispatchError> {1936 collection.consume_sload()?;1937 Ok(Self::owned_amount_unchecked(subject, collection, item_id))1938 }19391940 fn owned_amount_unchecked(1941 subject: &T::CrossAccountId,1942 target_collection: &CollectionHandle<T>,1943 item_id: TokenId,1944 ) -> Option<u128> {1945 let collection_id = target_collection.id;19461947 match target_collection.mode {1948 CollectionMode::NFT => {1949 (<NftItemList<T>>::get(collection_id, item_id)?.owner == *subject).then(|| 1)1950 }1951 CollectionMode::Fungible(_) => {1952 Some(<FungibleItemList<T>>::get(collection_id, &subject.as_sub()).value)1953 }1954 CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)?1955 .owner1956 .iter()1957 .find(|i| i.owner == *subject)1958 .map(|i| i.fraction),1959 CollectionMode::Invalid => None,1960 }1961 }19621963 fn is_item_owner(1964 subject: &T::CrossAccountId,1965 target_collection: &CollectionHandle<T>,1966 item_id: TokenId,1967 ) -> Result<bool, DispatchError> {1968 Ok(match target_collection.mode {1969 CollectionMode::Fungible(_) => true,1970 _ => Self::owned_amount(subject, target_collection, item_id)?.is_some(),1971 })1972 }19731974 fn check_white_list(1975 collection: &CollectionHandle<T>,1976 address: &T::CrossAccountId,1977 ) -> DispatchResult {1978 collection.consume_sload()?;1979 ensure!(1980 <WhiteList<T>>::contains_key(collection.id, address.as_sub()),1981 Error::<T>::AddresNotInWhiteList,1982 );1983 Ok(())1984 }19851986 /// Check if token exists. In case of Fungible, check if there is an entry for1987 /// the owner in fungible balances double map1988 fn token_exists(target_collection: &CollectionHandle<T>, item_id: TokenId) -> DispatchResult {1989 let collection_id = target_collection.id;1990 let exists = match target_collection.mode {1991 CollectionMode::NFT => <NftItemList<T>>::contains_key(collection_id, item_id),1992 CollectionMode::Fungible(_) => true,1993 CollectionMode::ReFungible => {1994 <ReFungibleItemList<T>>::contains_key(collection_id, item_id)1995 }1996 _ => false,1997 };19981999 ensure!(exists, Error::<T>::TokenNotFound);2000 Ok(())2001 }20022003 fn transfer_fungible(2004 collection: &CollectionHandle<T>,2005 value: u128,2006 owner: &T::CrossAccountId,2007 recipient: &T::CrossAccountId,2008 ) -> DispatchResult {2009 let collection_id = collection.id;20102011 collection.consume_sload()?;2012 collection.consume_sload()?;2013 let mut recipient_balance = <FungibleItemList<T>>::get(collection_id, recipient.as_sub());2014 let mut balance = <FungibleItemList<T>>::get(collection_id, owner.as_sub());20152016 recipient_balance.value = recipient_balance2017 .value2018 .checked_add(value)2019 .ok_or(Error::<T>::NumOverflow)?;2020 balance.value = balance2021 .value2022 .checked_sub(value)2023 .ok_or(Error::<T>::TokenValueTooLow)?;20242025 // update balanceOf2026 collection.consume_sstore()?;2027 collection.consume_sstore()?;2028 if balance.value != 0 {2029 <Balance<T>>::insert(collection_id, owner.as_sub(), balance.value);2030 } else {2031 <Balance<T>>::remove(collection_id, owner.as_sub());2032 }2033 <Balance<T>>::insert(collection_id, recipient.as_sub(), recipient_balance.value);20342035 // Reduce or remove sender2036 collection.consume_sstore()?;2037 collection.consume_sstore()?;2038 if balance.value != 0 {2039 <FungibleItemList<T>>::insert(collection_id, owner.as_sub(), balance);2040 } else {2041 <FungibleItemList<T>>::remove(collection_id, owner.as_sub());2042 }2043 <FungibleItemList<T>>::insert(collection_id, recipient.as_sub(), recipient_balance);20442045 collection.log(ERC20Events::Transfer {2046 from: *owner.as_eth(),2047 to: *recipient.as_eth(),2048 value: value.into(),2049 })?;2050 Self::deposit_event(RawEvent::Transfer(2051 collection.id,2052 1,2053 owner.clone(),2054 recipient.clone(),2055 value,2056 ));20572058 Ok(())2059 }20602061 fn transfer_refungible(2062 collection: &CollectionHandle<T>,2063 item_id: TokenId,2064 value: u128,2065 owner: T::CrossAccountId,2066 new_owner: T::CrossAccountId,2067 ) -> DispatchResult {2068 let collection_id = collection.id;2069 collection.consume_sload()?;2070 let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id)2071 .ok_or(Error::<T>::TokenNotFound)?;20722073 let item = full_item2074 .owner2075 .iter()2076 .find(|i| i.owner == owner)2077 .ok_or(Error::<T>::TokenNotFound)?;2078 let amount = item.fraction;20792080 ensure!(amount >= value, Error::<T>::TokenValueTooLow);20812082 collection.consume_sload()?;2083 // update balance2084 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.as_sub())2085 .checked_sub(value)2086 .ok_or(Error::<T>::NumOverflow)?;2087 collection.consume_sstore()?;2088 <Balance<T>>::insert(collection_id, item.owner.as_sub(), balance_old_owner);20892090 collection.consume_sload()?;2091 let balance_new_owner = <Balance<T>>::get(collection_id, new_owner.as_sub())2092 .checked_add(value)2093 .ok_or(Error::<T>::NumOverflow)?;2094 collection.consume_sstore()?;2095 <Balance<T>>::insert(collection_id, new_owner.as_sub(), balance_new_owner);20962097 let old_owner = item.owner.clone();2098 let new_owner_has_account = full_item.owner.iter().any(|i| i.owner == new_owner);20992100 let mut new_full_item = full_item.clone();2101 // transfer2102 if amount == value && !new_owner_has_account {2103 // change owner2104 // new owner do not have account2105 new_full_item2106 .owner2107 .iter_mut()2108 .find(|i| i.owner == owner)2109 .expect("old owner does present in refungible")2110 .owner = new_owner.clone();2111 collection.consume_sstore()?;2112 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);21132114 // update index collection2115 Self::move_token_index(collection, item_id, &old_owner, &new_owner)?;2116 } else {2117 new_full_item2118 .owner2119 .iter_mut()2120 .find(|i| i.owner == owner)2121 .expect("old owner does present in refungible")2122 .fraction -= value;21232124 // separate amount2125 if new_owner_has_account {2126 // new owner has account2127 new_full_item2128 .owner2129 .iter_mut()2130 .find(|i| i.owner == new_owner)2131 .expect("new owner has account")2132 .fraction += value;2133 } else {2134 // new owner do not have account2135 new_full_item.owner.push(Ownership {2136 owner: new_owner.clone(),2137 fraction: value,2138 });2139 Self::add_token_index(collection, item_id, &new_owner)?;2140 }21412142 collection.consume_sstore()?;2143 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);2144 }21452146 Self::deposit_event(RawEvent::Transfer(2147 collection.id,2148 item_id,2149 owner,2150 new_owner,2151 amount,2152 ));21532154 Ok(())2155 }21562157 fn transfer_nft(2158 collection: &CollectionHandle<T>,2159 item_id: TokenId,2160 sender: T::CrossAccountId,2161 new_owner: T::CrossAccountId,2162 ) -> DispatchResult {2163 let collection_id = collection.id;2164 collection.consume_sload()?;2165 let mut item =2166 <NftItemList<T>>::get(collection_id, item_id).ok_or(Error::<T>::TokenNotFound)?;21672168 ensure!(sender == item.owner, Error::<T>::MustBeTokenOwner);21692170 collection.consume_sload()?;2171 // update balance2172 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.as_sub())2173 .checked_sub(1)2174 .ok_or(Error::<T>::NumOverflow)?;2175 collection.consume_sstore()?;2176 <Balance<T>>::insert(collection_id, item.owner.as_sub(), balance_old_owner);21772178 collection.consume_sload()?;2179 let balance_new_owner = <Balance<T>>::get(collection_id, new_owner.as_sub())2180 .checked_add(1)2181 .ok_or(Error::<T>::NumOverflow)?;2182 collection.consume_sstore()?;2183 <Balance<T>>::insert(collection_id, new_owner.as_sub(), balance_new_owner);21842185 // change owner2186 let old_owner = item.owner.clone();2187 item.owner = new_owner.clone();2188 collection.consume_sstore()?;2189 <NftItemList<T>>::insert(collection_id, item_id, item);21902191 // update index collection2192 Self::move_token_index(collection, item_id, &old_owner, &new_owner)?;21932194 collection.log(ERC721Events::Transfer {2195 from: *sender.as_eth(),2196 to: *new_owner.as_eth(),2197 token_id: item_id.into(),2198 })?;2199 Self::deposit_event(RawEvent::Transfer(2200 collection.id,2201 item_id,2202 sender,2203 new_owner,2204 1,2205 ));22062207 Ok(())2208 }22092210 fn set_re_fungible_variable_data(2211 collection: &CollectionHandle<T>,2212 item_id: TokenId,2213 data: Vec<u8>,2214 ) -> DispatchResult {2215 let collection_id = collection.id;2216 let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id)2217 .ok_or(Error::<T>::TokenNotFound)?;22182219 item.variable_data = data;22202221 <ReFungibleItemList<T>>::insert(collection_id, item_id, item);22222223 Ok(())2224 }22252226 fn set_nft_variable_data(2227 collection: &CollectionHandle<T>,2228 item_id: TokenId,2229 data: Vec<u8>,2230 ) -> DispatchResult {2231 let collection_id = collection.id;2232 let mut item =2233 <NftItemList<T>>::get(collection_id, item_id).ok_or(Error::<T>::TokenNotFound)?;22342235 item.variable_data = data;22362237 <NftItemList<T>>::insert(collection_id, item_id, item);22382239 Ok(())2240 }22412242 #[allow(dead_code)]2243 fn init_collection(item: &Collection<T>) {2244 // check params2245 assert!(2246 item.decimal_points <= MAX_DECIMAL_POINTS,2247 "decimal_points parameter must be lower than MAX_DECIMAL_POINTS"2248 );2249 assert!(2250 item.name.len() <= 64,2251 "Collection name can not be longer than 63 char"2252 );2253 assert!(2254 item.name.len() <= 256,2255 "Collection description can not be longer than 255 char"2256 );2257 assert!(2258 item.token_prefix.len() <= 16,2259 "Token prefix can not be longer than 15 char"2260 );22612262 // Generate next collection ID2263 let next_id = CreatedCollectionCount::get().checked_add(1).unwrap();22642265 CreatedCollectionCount::put(next_id);2266 }22672268 #[allow(dead_code)]2269 fn init_nft_token(collection_id: CollectionId, item: &NftItemType<T::CrossAccountId>) {2270 let current_index = <ItemListIndex>::get(collection_id).checked_add(1).unwrap();22712272 Self::add_token_index(2273 &CollectionHandle::get(collection_id).unwrap(),2274 current_index,2275 &item.owner,2276 )2277 .unwrap();22782279 <ItemListIndex>::insert(collection_id, current_index);22802281 // Update balance2282 let new_balance = <Balance<T>>::get(collection_id, item.owner.as_sub())2283 .checked_add(1)2284 .unwrap();2285 <Balance<T>>::insert(collection_id, item.owner.as_sub(), new_balance);2286 }22872288 #[allow(dead_code)]2289 fn init_fungible_token(2290 collection_id: CollectionId,2291 owner: &T::CrossAccountId,2292 item: &FungibleItemType,2293 ) {2294 let current_index = <ItemListIndex>::get(collection_id).checked_add(1).unwrap();22952296 Self::add_token_index(2297 &CollectionHandle::get(collection_id).unwrap(),2298 current_index,2299 owner,2300 )2301 .unwrap();23022303 <ItemListIndex>::insert(collection_id, current_index);23042305 // Update balance2306 let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())2307 .checked_add(item.value)2308 .unwrap();2309 <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);2310 }23112312 #[allow(dead_code)]2313 fn init_refungible_token(2314 collection_id: CollectionId,2315 item: &ReFungibleItemType<T::CrossAccountId>,2316 ) {2317 let current_index = <ItemListIndex>::get(collection_id).checked_add(1).unwrap();23182319 let value = item.owner.first().unwrap().fraction;2320 let owner = item.owner.first().unwrap().owner.clone();23212322 Self::add_token_index(2323 &CollectionHandle::get(collection_id).unwrap(),2324 current_index,2325 &owner,2326 )2327 .unwrap();23282329 <ItemListIndex>::insert(collection_id, current_index);23302331 // Update balance2332 let new_balance = <Balance<T>>::get(collection_id, &owner.as_sub())2333 .checked_add(value)2334 .unwrap();2335 <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);2336 }23372338 fn add_token_index(2339 collection: &CollectionHandle<T>,2340 item_index: TokenId,2341 owner: &T::CrossAccountId,2342 ) -> DispatchResult {2343 // add to account limit2344 collection.consume_sload()?;2345 if <AccountItemCount<T>>::contains_key(owner.as_sub()) {2346 // bound Owned tokens by a single address2347 collection.consume_sload()?;2348 let count = <AccountItemCount<T>>::get(owner.as_sub());2349 ensure!(2350 count < ACCOUNT_TOKEN_OWNERSHIP_LIMIT,2351 Error::<T>::AddressOwnershipLimitExceeded2352 );23532354 collection.consume_sstore()?;2355 <AccountItemCount<T>>::insert(2356 owner.as_sub(),2357 count.checked_add(1).ok_or(Error::<T>::NumOverflow)?,2358 );2359 } else {2360 collection.consume_sstore()?;2361 <AccountItemCount<T>>::insert(owner.as_sub(), 1);2362 }23632364 collection.consume_sload()?;2365 let list_exists = <AddressTokens<T>>::contains_key(collection.id, owner.as_sub());2366 if list_exists {2367 collection.consume_sload()?;2368 let mut list = <AddressTokens<T>>::get(collection.id, owner.as_sub());2369 let item_contains = list.contains(&item_index.clone());23702371 if !item_contains {2372 list.push(item_index);2373 }23742375 collection.consume_sstore()?;2376 <AddressTokens<T>>::insert(collection.id, owner.as_sub(), list);2377 } else {2378 let itm = vec![item_index];2379 collection.consume_sstore()?;2380 <AddressTokens<T>>::insert(collection.id, owner.as_sub(), itm);2381 }23822383 Ok(())2384 }23852386 fn remove_token_index(2387 collection: &CollectionHandle<T>,2388 item_index: TokenId,2389 owner: &T::CrossAccountId,2390 ) -> DispatchResult {2391 // update counter2392 collection.consume_sload()?;2393 collection.consume_sstore()?;2394 <AccountItemCount<T>>::insert(2395 owner.as_sub(),2396 <AccountItemCount<T>>::get(owner.as_sub())2397 .checked_sub(1)2398 .ok_or(Error::<T>::NumOverflow)?,2399 );24002401 collection.consume_sload()?;2402 let list_exists = <AddressTokens<T>>::contains_key(collection.id, owner.as_sub());2403 if list_exists {2404 collection.consume_sload()?;2405 let mut list = <AddressTokens<T>>::get(collection.id, owner.as_sub());2406 let item_contains = list.contains(&item_index.clone());24072408 if item_contains {2409 list.retain(|&item| item != item_index);2410 collection.consume_sstore()?;2411 <AddressTokens<T>>::insert(collection.id, owner.as_sub(), list);2412 }2413 }24142415 Ok(())2416 }24172418 fn move_token_index(2419 collection: &CollectionHandle<T>,2420 item_index: TokenId,2421 old_owner: &T::CrossAccountId,2422 new_owner: &T::CrossAccountId,2423 ) -> DispatchResult {2424 Self::remove_token_index(collection, item_index, old_owner)?;2425 Self::add_token_index(collection, item_index, new_owner)?;24262427 Ok(())2428 }2429}24302431sp_api::decl_runtime_apis! {2432 pub trait NftApi {2433 /// Used for ethereum integration2434 fn eth_contract_code(account: H160) -> Option<Vec<u8>>;2435 }2436}tests/src/eth/api/UniqueNFT.soldiffbeforeafterboth--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -3,6 +3,12 @@
pragma solidity >=0.8.0 <0.9.0;
+// Anonymous struct
+struct Tuple0 {
+ uint256 field_0;
+ string field_1;
+}
+
// Common stubs holder
interface Dummy {
@@ -119,6 +125,25 @@
function transfer(address to, uint256 tokenId) external;
function nextTokenId() external view returns (uint256);
+
+ // Selector: setVariableMetadata(uint256,bytes) d4eac26d
+ function setVariableMetadata(uint256 tokenId, bytes memory data) external;
+
+ // Selector: getVariableMetadata(uint256) e6c5ce6f
+ function getVariableMetadata(uint256 tokenId)
+ external
+ view
+ returns (bytes memory);
+
+ // Selector: mintBulk(address,uint256[]) 44a9945e
+ function mintBulk(address to, uint256[] memory tokenIds)
+ external
+ returns (bool);
+
+ // Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+ function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+ external
+ returns (bool);
}
interface UniqueNFT is