difftreelog
Cleanup approve tests
in: master
2 files changed
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"]78#![cfg_attr(not(feature = "std"), no_std)]910#[cfg(feature = "std")]11pub use std::*;1213#[cfg(feature = "std")]14pub use serde::*;1516use codec::{Decode, Encode};17pub use frame_support::{18 construct_runtime, decl_event, decl_module, decl_storage, decl_error,19 dispatch::DispatchResult,20 ensure, fail, parameter_types,21 traits::{22 Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,23 Randomness, IsSubType,24 },25 weights::{26 constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},27 DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,28 WeightToFeePolynomial, DispatchClass,29 },30 StorageValue,31};3233use frame_system::{self as system, ensure_signed, ensure_root};34use sp_runtime::sp_std::prelude::Vec;35use sp_runtime::{36 traits::{37 DispatchInfoOf, Dispatchable, PostDispatchInfoOf, Saturating, SaturatedConversion, SignedExtension, Zero,38 },39 transaction_validity::{40 TransactionPriority, InvalidTransaction, TransactionValidity, TransactionValidityError, ValidTransaction,41 },42 FixedPointOperand, FixedU128,43};44use sp_runtime::traits::StaticLookup;45use pallet_contracts::chain_extension::UncheckedFrom;46use transaction_payment::OnChargeTransaction;4748#[cfg(test)]49mod mock;5051#[cfg(test)]52mod tests;5354mod default_weights;5556pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;57pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;58pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;59pub const MAX_TOKEN_OWNERSHIP: u32 = 10_000_000;6061// Structs62// #region6364pub type CollectionId = u32;65pub type TokenId = u32;66pub type DecimalPoints = u8;6768#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]69#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]70pub enum CollectionMode {71 Invalid,72 NFT,73 // decimal points74 Fungible(DecimalPoints),75 ReFungible,76}7778impl Default for CollectionMode {79 fn default() -> Self {80 Self::Invalid81 }82}8384impl Into<u8> for CollectionMode {85 fn into(self) -> u8 {86 match self {87 CollectionMode::Invalid => 0,88 CollectionMode::NFT => 1,89 CollectionMode::Fungible(_) => 2,90 CollectionMode::ReFungible => 3,91 }92 }93}9495#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]96#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]97pub enum AccessMode {98 Normal,99 WhiteList,100}101impl Default for AccessMode {102 fn default() -> Self {103 Self::Normal104 }105}106107#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]108#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]109pub enum SchemaVersion {110 ImageURL,111 Unique,112}113impl Default for SchemaVersion {114 fn default() -> Self {115 Self::ImageURL116 }117}118119#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]120#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]121pub struct Ownership<AccountId> {122 pub owner: AccountId,123 pub fraction: u128,124}125126#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]127#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]128pub struct CollectionType<AccountId> {129 pub owner: AccountId,130 pub mode: CollectionMode,131 pub access: AccessMode,132 pub decimal_points: DecimalPoints,133 pub name: Vec<u16>, // 64 include null escape char134 pub description: Vec<u16>, // 256 include null escape char135 pub token_prefix: Vec<u8>, // 16 include null escape char136 pub mint_mode: bool,137 pub offchain_schema: Vec<u8>,138 pub schema_version: SchemaVersion,139 pub sponsor: AccountId, // Who pays fees. If set to default address, the fees are applied to the transaction sender140 pub sponsor_confirmed: bool, // False if sponsor address has not yet confirmed sponsorship. True otherwise.141 pub limits: CollectionLimits, // Collection private restrictions 142 pub variable_on_chain_schema: Vec<u8>, //143 pub const_on_chain_schema: Vec<u8>, //144}145146#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]147#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]148pub struct NftItemType<AccountId> {149 pub owner: AccountId,150 pub const_data: Vec<u8>,151 pub variable_data: Vec<u8>,152}153154#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]155#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]156pub struct FungibleItemType {157 pub value: u128,158}159160#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]161#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]162pub struct ReFungibleItemType<AccountId> {163 pub owner: Vec<Ownership<AccountId>>,164 pub const_data: Vec<u8>,165 pub variable_data: Vec<u8>,166}167168// #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]169// #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]170// pub struct VestingItem<AccountId, Moment> {171// pub sender: AccountId,172// pub recipient: AccountId,173// pub collection_id: CollectionId,174// pub item_id: TokenId,175// pub amount: u64,176// pub vesting_date: Moment,177// }178179#[derive(Encode, Decode, Debug, Clone, PartialEq)]180#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]181pub struct CollectionLimits {182 pub account_token_ownership_limit: u32,183 pub sponsored_data_size: u32,184 pub token_limit: u32,185186 // Timeouts for item types in passed blocks187 pub sponsor_transfer_timeout: u32,188 pub owner_can_transfer: bool,189 pub owner_can_destroy: bool,190}191192impl Default for CollectionLimits {193 fn default() -> CollectionLimits {194 CollectionLimits { 195 account_token_ownership_limit: 10_000_000, 196 token_limit: u32::max_value(),197 sponsored_data_size: u32::max_value(), 198 sponsor_transfer_timeout: 14400,199 owner_can_transfer: true,200 owner_can_destroy: true201 }202 }203}204205#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]206#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]207pub struct ChainLimits {208 pub collection_numbers_limit: u32,209 pub account_token_ownership_limit: u32,210 pub collections_admins_limit: u64,211 pub custom_data_limit: u32,212213 // Timeouts for item types in passed blocks214 pub nft_sponsor_transfer_timeout: u32,215 pub fungible_sponsor_transfer_timeout: u32,216 pub refungible_sponsor_transfer_timeout: u32,217218 // Schema limits219 pub offchain_schema_limit: u32,220 pub variable_on_chain_schema_limit: u32,221 pub const_on_chain_schema_limit: u32,222}223224pub trait WeightInfo {225 fn create_collection() -> Weight;226 fn destroy_collection() -> Weight;227 fn add_to_white_list() -> Weight;228 fn remove_from_white_list() -> Weight;229 fn set_public_access_mode() -> Weight;230 fn set_mint_permission() -> Weight;231 fn change_collection_owner() -> Weight;232 fn add_collection_admin() -> Weight;233 fn remove_collection_admin() -> Weight;234 fn set_collection_sponsor() -> Weight;235 fn confirm_sponsorship() -> Weight;236 fn remove_collection_sponsor() -> Weight;237 fn create_item(s: usize) -> Weight;238 fn burn_item() -> Weight;239 fn transfer() -> Weight;240 fn approve() -> Weight;241 fn transfer_from() -> Weight;242 fn set_offchain_schema() -> Weight;243 fn set_const_on_chain_schema() -> Weight;244 fn set_variable_on_chain_schema() -> Weight;245 fn set_variable_meta_data() -> Weight;246 fn enable_contract_sponsoring() -> Weight;247 fn set_schema_version() -> Weight;248 fn set_chain_limits() -> Weight;249 fn set_contract_sponsoring_rate_limit() -> Weight;250 fn toggle_contract_white_list() -> Weight;251 fn add_to_contract_white_list() -> Weight;252 fn remove_from_contract_white_list() -> Weight;253 fn set_collection_limits() -> Weight;254}255256#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]257#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]258pub struct CreateNftData {259 pub const_data: Vec<u8>,260 pub variable_data: Vec<u8>,261}262263#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]264#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]265pub struct CreateFungibleData {266 pub value: u128,267}268269#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]270#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]271pub struct CreateReFungibleData {272 pub const_data: Vec<u8>,273 pub variable_data: Vec<u8>,274 pub pieces: u128,275}276277#[derive(Encode, Decode, Debug, Clone, PartialEq)]278#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]279pub enum CreateItemData {280 NFT(CreateNftData),281 Fungible(CreateFungibleData),282 ReFungible(CreateReFungibleData),283}284285impl CreateItemData {286 pub fn len(&self) -> usize {287 let len = match self {288 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),289 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),290 _ => 0291 };292 293 return len;294 }295}296297impl From<CreateNftData> for CreateItemData {298 fn from(item: CreateNftData) -> Self {299 CreateItemData::NFT(item)300 }301}302303impl From<CreateReFungibleData> for CreateItemData {304 fn from(item: CreateReFungibleData) -> Self {305 CreateItemData::ReFungible(item)306 }307}308309impl From<CreateFungibleData> for CreateItemData {310 fn from(item: CreateFungibleData) -> Self {311 CreateItemData::Fungible(item)312 }313}314315316decl_error! {317 /// Error for non-fungible-token module.318 pub enum Error for Module<T: Config> {319 /// Total collections bound exceeded.320 TotalCollectionsLimitExceeded,321 /// Decimal_points parameter must be lower than MAX_DECIMAL_POINTS constant, currently it is 30.322 CollectionDecimalPointLimitExceeded, 323 /// Collection name can not be longer than 63 char.324 CollectionNameLimitExceeded, 325 /// Collection description can not be longer than 255 char.326 CollectionDescriptionLimitExceeded, 327 /// Token prefix can not be longer than 15 char.328 CollectionTokenPrefixLimitExceeded,329 /// This collection does not exist.330 CollectionNotFound,331 /// Item not exists.332 TokenNotFound,333 /// Admin not found334 AdminNotFound,335 /// Arithmetic calculation overflow.336 NumOverflow, 337 /// Account already has admin role.338 AlreadyAdmin, 339 /// You do not own this collection.340 NoPermission,341 /// This address is not set as sponsor, use setCollectionSponsor first.342 ConfirmUnsetSponsorFail,343 /// Collection is not in mint mode.344 PublicMintingNotAllowed,345 /// Sender parameter and item owner must be equal.346 MustBeTokenOwner,347 /// Item balance not enough.348 TokenValueTooLow,349 /// Size of item is too large.350 NftSizeLimitExceeded,351 /// Owned amount is lesser than tried to approve352 CantAfford,353 /// No approve found354 ApproveNotFound,355 /// Requested value more than approved.356 TokenValueNotEnough,357 /// Only approved addresses can call this method.358 ApproveRequired,359 /// Address is not in white list.360 AddresNotInWhiteList,361 /// Number of collection admins bound exceeded.362 CollectionAdminsLimitExceeded,363 /// Owned tokens by a single address bound exceeded.364 AddressOwnershipLimitExceeded,365 /// Length of items properties must be greater than 0.366 EmptyArgument,367 /// const_data exceeded data limit.368 TokenConstDataLimitExceeded,369 /// variable_data exceeded data limit.370 TokenVariableDataLimitExceeded,371 /// Not NFT item data used to mint in NFT collection.372 NotNftDataUsedToMintNftCollectionToken,373 /// Not Fungible item data used to mint in Fungible collection.374 NotFungibleDataUsedToMintFungibleCollectionToken,375 /// Not Re Fungible item data used to mint in Re Fungible collection.376 NotReFungibleDataUsedToMintReFungibleCollectionToken,377 /// Unexpected collection type.378 UnexpectedCollectionType,379 /// Can't store metadata in fungible tokens.380 CantStoreMetadataInFungibleTokens,381 /// Collection token limit exceeded382 CollectionTokenLimitExceeded,383 /// Account token limit exceeded per collection384 AccountTokenLimitExceeded,385 /// Collection limit bounds per collection exceeded386 CollectionLimitBoundsExceeded,387 /// Schema data size limit bound exceeded388 SchemaDataLimitExceeded,389 /// Maximum refungibility exceeded390 WrongRefungiblePieces391 }392}393394pub trait Config: system::Config + Sized + transaction_payment::Config + pallet_contracts::Config {395 type Event: From<Event<Self>> + Into<<Self as system::Config>::Event>;396397 /// Weight information for extrinsics in this pallet.398 type WeightInfo: WeightInfo;399}400401#[cfg(feature = "runtime-benchmarks")]402mod benchmarking;403404// #endregion405406decl_storage! {407 trait Store for Module<T: Config> as Nft {408409 // Private members410 NextCollectionID: CollectionId;411 CreatedCollectionCount: u32;412 ChainVersion: u64;413 ItemListIndex: map hasher(identity) CollectionId => TokenId;414415 // Chain limits struct416 pub ChainLimit get(fn chain_limit) config(): ChainLimits;417418 // Bound counters419 CollectionCount: u32;420 pub AccountItemCount get(fn account_item_count): map hasher(twox_64_concat) T::AccountId => u32;421422 // Basic collections423 pub Collection get(fn collection) config(): map hasher(identity) CollectionId => CollectionType<T::AccountId>;424 pub AdminList get(fn admin_list_collection): map hasher(identity) CollectionId => Vec<T::AccountId>;425 pub WhiteList get(fn white_list): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => bool;426427 /// Balance owner per collection map428 pub Balance get(fn balance_count): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => u128;429430 /// second parameter: item id + owner account id + spender account id431 pub Allowances get(fn approved): double_map hasher(identity) CollectionId, hasher(twox_64_concat) (TokenId, T::AccountId, T::AccountId) => u128;432433 /// Item collections434 pub NftItemList get(fn nft_item_id) config(): double_map hasher(identity) CollectionId, hasher(identity) TokenId => NftItemType<T::AccountId>;435 pub FungibleItemList get(fn fungible_item_id) config(): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => FungibleItemType;436 pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(identity) CollectionId, hasher(identity) TokenId => ReFungibleItemType<T::AccountId>;437438 /// Index list439 pub AddressTokens get(fn address_tokens): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => Vec<TokenId>;440441 /// Tokens transfer baskets442 pub CreateItemBasket get(fn create_item_basket): map hasher(twox_64_concat) (CollectionId, T::AccountId) => T::BlockNumber;443 pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(identity) CollectionId, hasher(identity) TokenId => T::BlockNumber;444 pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => T::BlockNumber;445 pub ReFungibleTransferBasket get(fn refungible_transfer_basket): double_map hasher(identity) CollectionId, hasher(identity) TokenId => T::BlockNumber;446447 // Contract Sponsorship and Ownership448 pub ContractOwner get(fn contract_owner): map hasher(twox_64_concat) T::AccountId => T::AccountId;449 pub ContractSelfSponsoring get(fn contract_self_sponsoring): map hasher(twox_64_concat) T::AccountId => bool;450 pub ContractSponsorBasket get(fn contract_sponsor_basket): map hasher(twox_64_concat) (T::AccountId, T::AccountId) => T::BlockNumber;451 pub ContractSponsoringRateLimit get(fn contract_sponsoring_rate_limit): map hasher(twox_64_concat) T::AccountId => T::BlockNumber;452 pub ContractWhiteListEnabled get(fn contract_white_list_enabled): map hasher(twox_64_concat) T::AccountId => bool; 453 pub ContractWhiteList get(fn contract_white_list): double_map hasher(twox_64_concat) T::AccountId, hasher(twox_64_concat) T::AccountId => bool; 454 }455 add_extra_genesis {456 build(|config: &GenesisConfig<T>| {457 // Modification of storage458 for (_num, _c) in &config.collection {459 <Module<T>>::init_collection(_c);460 }461462 for (_num, _c, _i) in &config.nft_item_id {463 <Module<T>>::init_nft_token(*_c, _i);464 }465466 for (collection_id, account_id, fungible_item) in &config.fungible_item_id {467 <Module<T>>::init_fungible_token(*collection_id, account_id, fungible_item);468 }469470 for (_num, _c, _i) in &config.refungible_item_id {471 <Module<T>>::init_refungible_token(*_c, _i);472 }473 })474 }475}476477decl_event!(478 pub enum Event<T>479 where480 AccountId = <T as system::Config>::AccountId,481 {482 /// New collection was created483 /// 484 /// # Arguments485 /// 486 /// * collection_id: Globally unique identifier of newly created collection.487 /// 488 /// * mode: [CollectionMode] converted into u8.489 /// 490 /// * account_id: Collection owner.491 Created(CollectionId, u8, AccountId),492493 /// New item was created.494 /// 495 /// # Arguments496 /// 497 /// * collection_id: Id of the collection where item was created.498 /// 499 /// * item_id: Id of an item. Unique within the collection.500 ItemCreated(CollectionId, TokenId),501502 /// Collection item was burned.503 /// 504 /// # Arguments505 /// 506 /// collection_id.507 /// 508 /// item_id: Identifier of burned NFT.509 ItemDestroyed(CollectionId, TokenId),510 }511);512513decl_module! {514 pub struct Module<T: Config> for enum Call 515 where 516 origin: T::Origin517 {518 fn deposit_event() = default;519 type Error = Error<T>;520521 fn on_initialize(now: T::BlockNumber) -> Weight {522523 if ChainVersion::get() < 2524 {525 let value = NextCollectionID::get();526 CreatedCollectionCount::put(value);527 ChainVersion::put(2);528 }529530 0531 }532533 /// 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.534 /// 535 /// # Permissions536 /// 537 /// * Anyone.538 /// 539 /// # Arguments540 /// 541 /// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.542 /// 543 /// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.544 /// 545 /// * token_prefix: UTF-8 string with token prefix.546 /// 547 /// * mode: [CollectionMode] collection type and type dependent data.548 // returns collection ID549 #[weight = <T as Config>::WeightInfo::create_collection()]550 pub fn create_collection(origin,551 collection_name: Vec<u16>,552 collection_description: Vec<u16>,553 token_prefix: Vec<u8>,554 mode: CollectionMode) -> DispatchResult {555556 // Anyone can create a collection557 let who = ensure_signed(origin)?;558559 let decimal_points = match mode {560 CollectionMode::Fungible(points) => points,561 _ => 0562 };563564 // bound Total number of collections565 ensure!(CollectionCount::get() < ChainLimit::get().collection_numbers_limit, Error::<T>::TotalCollectionsLimitExceeded);566567 // check params568 ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);569 ensure!(collection_name.len() <= 64, Error::<T>::CollectionNameLimitExceeded);570 ensure!(collection_description.len() <= 256, Error::<T>::CollectionDescriptionLimitExceeded);571 ensure!(token_prefix.len() <= 16, Error::<T>::CollectionTokenPrefixLimitExceeded);572573 // Generate next collection ID574 let next_id = CreatedCollectionCount::get()575 .checked_add(1)576 .ok_or(Error::<T>::NumOverflow)?;577578 // bound counter579 let total = CollectionCount::get()580 .checked_add(1)581 .ok_or(Error::<T>::NumOverflow)?;582583 CreatedCollectionCount::put(next_id);584 CollectionCount::put(total);585586 // Create new collection587 let new_collection = CollectionType {588 owner: who.clone(),589 name: collection_name,590 mode: mode.clone(),591 mint_mode: false,592 access: AccessMode::Normal,593 description: collection_description,594 decimal_points: decimal_points,595 token_prefix: token_prefix,596 offchain_schema: Vec::new(),597 schema_version: SchemaVersion::ImageURL,598 sponsor: T::AccountId::default(),599 sponsor_confirmed: false,600 variable_on_chain_schema: Vec::new(),601 const_on_chain_schema: Vec::new(),602 limits: CollectionLimits::default()603 };604605 // Add new collection to map606 <Collection<T>>::insert(next_id, new_collection);607608 // call event609 Self::deposit_event(RawEvent::Created(next_id, mode.into(), who.clone()));610611 Ok(())612 }613614 /// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.615 /// 616 /// # Permissions617 /// 618 /// * Collection Owner.619 /// 620 /// # Arguments621 /// 622 /// * collection_id: collection to destroy.623 #[weight = <T as Config>::WeightInfo::destroy_collection()]624 pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {625626 let sender = ensure_signed(origin)?;627 Self::check_owner_permissions(collection_id, sender)?;628629 <AddressTokens<T>>::remove_prefix(collection_id);630 <Allowances<T>>::remove_prefix(collection_id);631 <Balance<T>>::remove_prefix(collection_id);632 <ItemListIndex>::remove(collection_id);633 <AdminList<T>>::remove(collection_id);634 <Collection<T>>::remove(collection_id);635 <WhiteList<T>>::remove_prefix(collection_id);636637 <NftItemList<T>>::remove_prefix(collection_id);638 <FungibleItemList<T>>::remove_prefix(collection_id);639 <ReFungibleItemList<T>>::remove_prefix(collection_id);640641 <NftTransferBasket<T>>::remove_prefix(collection_id);642 <FungibleTransferBasket<T>>::remove_prefix(collection_id);643 <ReFungibleTransferBasket<T>>::remove_prefix(collection_id);644645 if CollectionCount::get() > 0646 {647 // bound couter648 let total = CollectionCount::get()649 .checked_sub(1)650 .ok_or(Error::<T>::NumOverflow)?;651652 CollectionCount::put(total);653 }654655 Ok(())656 }657658 /// Add an address to white list.659 /// 660 /// # Permissions661 /// 662 /// * Collection Owner663 /// * Collection Admin664 /// 665 /// # Arguments666 /// 667 /// * collection_id.668 /// 669 /// * address.670 #[weight = <T as Config>::WeightInfo::add_to_white_list()]671 pub fn add_to_white_list(origin, collection_id: CollectionId, address: T::AccountId) -> DispatchResult{672673 let sender = ensure_signed(origin)?;674 Self::check_owner_or_admin_permissions(collection_id, sender)?;675676 <WhiteList<T>>::insert(collection_id, address, true);677 678 Ok(())679 }680681 /// Remove an address from white list.682 /// 683 /// # Permissions684 /// 685 /// * Collection Owner686 /// * Collection Admin687 /// 688 /// # Arguments689 /// 690 /// * collection_id.691 /// 692 /// * address.693 #[weight = <T as Config>::WeightInfo::remove_from_white_list()]694 pub fn remove_from_white_list(origin, collection_id: CollectionId, address: T::AccountId) -> DispatchResult{695696 let sender = ensure_signed(origin)?;697 Self::check_owner_or_admin_permissions(collection_id, sender)?;698699 <WhiteList<T>>::remove(collection_id, address);700701 Ok(())702 }703704 /// Toggle between normal and white list access for the methods with access for `Anyone`.705 /// 706 /// # Permissions707 /// 708 /// * Collection Owner.709 /// 710 /// # Arguments711 /// 712 /// * collection_id.713 /// 714 /// * mode: [AccessMode]715 #[weight = <T as Config>::WeightInfo::set_public_access_mode()]716 pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult717 {718 let sender = ensure_signed(origin)?;719720 Self::check_owner_permissions(collection_id, sender)?;721 let mut target_collection = <Collection<T>>::get(collection_id);722 target_collection.access = mode;723 <Collection<T>>::insert(collection_id, target_collection);724725 Ok(())726 }727728 /// Allows Anyone to create tokens if:729 /// * White List is enabled, and730 /// * Address is added to white list, and731 /// * This method was called with True parameter732 /// 733 /// # Permissions734 /// * Collection Owner735 ///736 /// # Arguments737 /// 738 /// * collection_id.739 /// 740 /// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.741 #[weight = <T as Config>::WeightInfo::set_mint_permission()]742 pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult743 {744 let sender = ensure_signed(origin)?;745746 Self::check_owner_permissions(collection_id, sender)?;747 let mut target_collection = <Collection<T>>::get(collection_id);748 target_collection.mint_mode = mint_permission;749 <Collection<T>>::insert(collection_id, target_collection);750751 Ok(())752 }753754 /// Change the owner of the collection.755 /// 756 /// # Permissions757 /// 758 /// * Collection Owner.759 /// 760 /// # Arguments761 /// 762 /// * collection_id.763 /// 764 /// * new_owner.765 #[weight = <T as Config>::WeightInfo::change_collection_owner()]766 pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {767768 let sender = ensure_signed(origin)?;769 Self::check_owner_permissions(collection_id, sender)?;770 let mut target_collection = <Collection<T>>::get(collection_id);771 target_collection.owner = new_owner;772 <Collection<T>>::insert(collection_id, target_collection);773774 Ok(())775 }776777 /// Adds an admin of the Collection.778 /// 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. 779 /// 780 /// # Permissions781 /// 782 /// * Collection Owner.783 /// * Collection Admin.784 /// 785 /// # Arguments786 /// 787 /// * collection_id: ID of the Collection to add admin for.788 /// 789 /// * new_admin_id: Address of new admin to add.790 #[weight = <T as Config>::WeightInfo::add_collection_admin()]791 pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::AccountId) -> DispatchResult {792793 let sender = ensure_signed(origin)?;794 Self::check_owner_or_admin_permissions(collection_id, sender)?;795 let mut admin_arr: Vec<T::AccountId> = Vec::new();796797 if <AdminList<T>>::contains_key(collection_id)798 {799 admin_arr = <AdminList<T>>::get(collection_id);800 ensure!(!admin_arr.contains(&new_admin_id), Error::<T>::AlreadyAdmin);801 }802803 // Number of collection admins804 ensure!((admin_arr.len() as u64) < ChainLimit::get().collections_admins_limit, Error::<T>::CollectionAdminsLimitExceeded);805806 admin_arr.push(new_admin_id);807 <AdminList<T>>::insert(collection_id, admin_arr);808809 Ok(())810 }811812 /// 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.813 ///814 /// # Permissions815 /// 816 /// * Collection Owner.817 /// * Collection Admin.818 /// 819 /// # Arguments820 /// 821 /// * collection_id: ID of the Collection to remove admin for.822 /// 823 /// * account_id: Address of admin to remove.824 #[weight = <T as Config>::WeightInfo::remove_collection_admin()]825 pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::AccountId) -> DispatchResult {826827 let sender = ensure_signed(origin)?;828 Self::check_owner_or_admin_permissions(collection_id, sender)?;829 ensure!(<AdminList<T>>::contains_key(collection_id), Error::<T>::AdminNotFound);830831 let mut admin_arr = <AdminList<T>>::get(collection_id);832 admin_arr.retain(|i| *i != account_id);833 <AdminList<T>>::insert(collection_id, admin_arr);834835 Ok(())836 }837838 /// # Permissions839 /// 840 /// * Collection Owner841 /// 842 /// # Arguments843 /// 844 /// * collection_id.845 /// 846 /// * new_sponsor.847 #[weight = <T as Config>::WeightInfo::set_collection_sponsor()]848 pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {849850 let sender = ensure_signed(origin)?;851 ensure!(<Collection<T>>::contains_key(collection_id), Error::<T>::CollectionNotFound);852853 let mut target_collection = <Collection<T>>::get(collection_id);854 ensure!(sender == target_collection.owner, Error::<T>::NoPermission);855856 target_collection.sponsor = new_sponsor;857 target_collection.sponsor_confirmed = false;858 <Collection<T>>::insert(collection_id, target_collection);859860 Ok(())861 }862863 /// # Permissions864 /// 865 /// * Sponsor.866 /// 867 /// # Arguments868 /// 869 /// * collection_id.870 #[weight = <T as Config>::WeightInfo::confirm_sponsorship()]871 pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {872873 let sender = ensure_signed(origin)?;874 ensure!(<Collection<T>>::contains_key(collection_id), Error::<T>::CollectionNotFound);875876 let mut target_collection = <Collection<T>>::get(collection_id);877 ensure!(sender == target_collection.sponsor, Error::<T>::ConfirmUnsetSponsorFail);878879 target_collection.sponsor_confirmed = true;880 <Collection<T>>::insert(collection_id, target_collection);881882 Ok(())883 }884885 /// Switch back to pay-per-own-transaction model.886 ///887 /// # Permissions888 ///889 /// * Collection owner.890 /// 891 /// # Arguments892 /// 893 /// * collection_id.894 #[weight = <T as Config>::WeightInfo::remove_collection_sponsor()]895 pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {896897 let sender = ensure_signed(origin)?;898 ensure!(<Collection<T>>::contains_key(collection_id), Error::<T>::CollectionNotFound);899900 let mut target_collection = <Collection<T>>::get(collection_id);901 ensure!(sender == target_collection.owner, Error::<T>::NoPermission);902903 target_collection.sponsor = T::AccountId::default();904 target_collection.sponsor_confirmed = false;905 <Collection<T>>::insert(collection_id, target_collection);906907 Ok(())908 }909910 /// This method creates a concrete instance of NFT Collection created with CreateCollection method.911 /// 912 /// # Permissions913 /// 914 /// * Collection Owner.915 /// * Collection Admin.916 /// * Anyone if917 /// * White List is enabled, and918 /// * Address is added to white list, and919 /// * MintPermission is enabled (see SetMintPermission method)920 /// 921 /// # Arguments922 /// 923 /// * collection_id: ID of the collection.924 /// 925 /// * owner: Address, initial owner of the NFT.926 ///927 /// * data: Token data to store on chain.928 // #[weight =929 // (130_000_000 as Weight)930 // .saturating_add((2135 as Weight).saturating_mul((properties.len() as u64) as Weight))931 // .saturating_add(RocksDbWeight::get().reads(10 as Weight))932 // .saturating_add(RocksDbWeight::get().writes(8 as Weight))]933934 #[weight = <T as Config>::WeightInfo::create_item(data.len())]935 pub fn create_item(origin, collection_id: CollectionId, owner: T::AccountId, data: CreateItemData) -> DispatchResult {936937 let sender = ensure_signed(origin)?;938939 Self::collection_exists(collection_id)?;940941 let target_collection = <Collection<T>>::get(collection_id);942943 Self::can_create_items_in_collection(collection_id, &target_collection, &sender, &owner)?;944 Self::validate_create_item_args(&target_collection, &data)?;945 Self::create_item_no_validation(collection_id, owner, data)?;946947 Ok(())948 }949950 /// This method creates multiple instances of NFT Collection created with CreateCollection method.951 /// 952 /// # Permissions953 /// 954 /// * Collection Owner.955 /// * Collection Admin.956 /// * Anyone if957 /// * White List is enabled, and958 /// * Address is added to white list, and959 /// * MintPermission is enabled (see SetMintPermission method)960 /// 961 /// # Arguments962 /// 963 /// * collection_id: ID of the collection.964 /// 965 /// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].966 /// 967 /// * owner: Address, initial owner of the NFT.968 #[weight = <T as Config>::WeightInfo::create_item(items_data.into_iter()969 .map(|data| { data.len() })970 .sum())]971 pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::AccountId, items_data: Vec<CreateItemData>) -> DispatchResult {972973 ensure!(items_data.len() > 0, Error::<T>::EmptyArgument);974 let sender = ensure_signed(origin)?;975976 Self::collection_exists(collection_id)?;977 let target_collection = <Collection<T>>::get(collection_id);978979 Self::can_create_items_in_collection(collection_id, &target_collection, &sender, &owner)?;980981 for data in &items_data {982 Self::validate_create_item_args(&target_collection, data)?;983 }984 for data in &items_data {985 Self::create_item_no_validation(collection_id, owner.clone(), data.clone())?;986 }987988 Ok(())989 }990991 /// Destroys a concrete instance of NFT.992 /// 993 /// # Permissions994 /// 995 /// * Collection Owner.996 /// * Collection Admin.997 /// * Current NFT Owner.998 /// 999 /// # Arguments1000 /// 1001 /// * collection_id: ID of the collection.1002 /// 1003 /// * item_id: ID of NFT to burn.1004 #[weight = <T as Config>::WeightInfo::burn_item()]1005 pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {10061007 let sender = ensure_signed(origin)?;1008 Self::collection_exists(collection_id)?;10091010 // Transfer permissions check1011 let target_collection = <Collection<T>>::get(collection_id);1012 ensure!(Self::is_item_owner(sender.clone(), collection_id, item_id) ||1013 Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1014 Error::<T>::NoPermission);10151016 if target_collection.access == AccessMode::WhiteList {1017 Self::check_white_list(collection_id, &sender)?;1018 }10191020 match target_collection.mode1021 {1022 CollectionMode::NFT => Self::burn_nft_item(collection_id, item_id)?,1023 CollectionMode::Fungible(_) => Self::burn_fungible_item(&sender, collection_id, value)?,1024 CollectionMode::ReFungible => Self::burn_refungible_item(collection_id, item_id, &sender)?,1025 _ => ()1026 };10271028 // call event1029 Self::deposit_event(RawEvent::ItemDestroyed(collection_id, item_id));10301031 Ok(())1032 }10331034 /// Change ownership of the token.1035 /// 1036 /// # Permissions1037 /// 1038 /// * Collection Owner1039 /// * Collection Admin1040 /// * Current NFT owner1041 ///1042 /// # Arguments1043 /// 1044 /// * recipient: Address of token recipient.1045 /// 1046 /// * collection_id.1047 /// 1048 /// * item_id: ID of the item1049 /// * Non-Fungible Mode: Required.1050 /// * Fungible Mode: Ignored.1051 /// * Re-Fungible Mode: Required.1052 /// 1053 /// * value: Amount to transfer.1054 /// * Non-Fungible Mode: Ignored1055 /// * Fungible Mode: Must specify transferred amount1056 /// * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)1057 #[weight = <T as Config>::WeightInfo::transfer()]1058 pub fn transfer(origin, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {1059 let sender = ensure_signed(origin)?;1060 Self::transfer_internal(sender, recipient, collection_id, item_id, value)1061 }10621063 /// Set, change, or remove approved address to transfer the ownership of the NFT.1064 /// 1065 /// # Permissions1066 /// 1067 /// * Collection Owner1068 /// * Collection Admin1069 /// * Current NFT owner1070 /// 1071 /// # Arguments1072 /// 1073 /// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).1074 /// 1075 /// * collection_id.1076 /// 1077 /// * item_id: ID of the item.1078 #[weight = <T as Config>::WeightInfo::approve()]1079 pub fn approve(origin, spender: T::AccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResult {10801081 let sender = ensure_signed(origin)?;10821083 Self::collection_exists(collection_id)?;1084 Self::token_exists(collection_id, item_id, &sender)?;10851086 // Transfer permissions check1087 let target_collection = <Collection<T>>::get(collection_id);1088 let allowance_limit = if Self::is_owner_or_admin_permissions(1089 collection_id,1090 sender.clone(),1091 ) {1092 None1093 } else if let Some(amount) = Self::owned_amount(1094 sender.clone(),1095 collection_id,1096 item_id,1097 ) {1098 Some(amount)1099 } else {1100 fail!(Error::<T>::NoPermission);1101 };11021103 if target_collection.access == AccessMode::WhiteList {1104 Self::check_white_list(collection_id, &sender)?;1105 Self::check_white_list(collection_id, &spender)?;1106 }11071108 let allowance_exists = <Allowances<T>>::contains_key(collection_id, (item_id, &sender, &spender));1109 let mut allowance: u128 = amount;1110 if allowance_exists {1111 allowance += <Allowances<T>>::get(collection_id, (item_id, &sender, &spender));1112 }1113 if let Some(limit) = allowance_limit {1114 ensure!(limit >= allowance, Error::<T>::CantAfford);1115 }1116 <Allowances<T>>::insert(collection_id, (item_id, sender.clone(), spender.clone()), allowance);11171118 Ok(())1119 }1120 1121 /// 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.1122 /// 1123 /// # Permissions1124 /// * Collection Owner1125 /// * Collection Admin1126 /// * Current NFT owner1127 /// * Address approved by current NFT owner1128 /// 1129 /// # Arguments1130 /// 1131 /// * from: Address that owns token.1132 /// 1133 /// * recipient: Address of token recipient.1134 /// 1135 /// * collection_id.1136 /// 1137 /// * item_id: ID of the item.1138 /// 1139 /// * value: Amount to transfer.1140 #[weight = <T as Config>::WeightInfo::transfer_from()]1141 pub fn transfer_from(origin, from: T::AccountId, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResult {11421143 let sender = ensure_signed(origin)?;1144 let mut appoved_transfer = false;11451146 // Check approval1147 let mut approval: u128 = 0;1148 if <Allowances<T>>::contains_key(collection_id, (item_id, &from, &sender)) {1149 approval = <Allowances<T>>::get(collection_id, (item_id, &from, &sender));1150 ensure!(approval >= value, Error::<T>::TokenValueNotEnough);1151 appoved_transfer = true;1152 }11531154 let target_collection = <Collection<T>>::get(collection_id);11551156 // Limits check1157 Self::is_correct_transfer(collection_id, &target_collection, &recipient)?;11581159 // Transfer permissions check 1160 ensure!(appoved_transfer || Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1161 Error::<T>::NoPermission);11621163 if target_collection.access == AccessMode::WhiteList {1164 Self::check_white_list(collection_id, &sender)?;1165 Self::check_white_list(collection_id, &recipient)?;1166 }11671168 // Reduce approval by transferred amount or remove if remaining approval drops to 01169 if approval.checked_sub(value).unwrap_or(0) > 0 {1170 <Allowances<T>>::insert(collection_id, (item_id, &from, &sender), approval - value);1171 }1172 else {1173 <Allowances<T>>::remove(collection_id, (item_id, &from, &sender));1174 }11751176 match target_collection.mode1177 {1178 CollectionMode::NFT => Self::transfer_nft(collection_id, item_id, from, recipient)?,1179 CollectionMode::Fungible(_) => Self::transfer_fungible(collection_id, value, &from, &recipient)?,1180 CollectionMode::ReFungible => Self::transfer_refungible(collection_id, item_id, value, from.clone(), recipient)?,1181 _ => ()1182 };11831184 Ok(())1185 }11861187 // #[weight = 0]1188 // pub fn safe_transfer_from(origin, collection_id: CollectionId, item_id: TokenId, new_owner: T::AccountId) -> DispatchResult {11891190 // // let no_perm_mes = "You do not have permissions to modify this collection";1191 // // ensure!(<ApprovedList<T>>::contains_key((collection_id, item_id)), no_perm_mes);1192 // // let list_itm = <ApprovedList<T>>::get((collection_id, item_id));1193 // // ensure!(list_itm.contains(&new_owner.clone()), no_perm_mes);11941195 // // // on_nft_received call11961197 // // Self::transfer(origin, collection_id, item_id, new_owner)?;11981199 // Ok(())1200 // }12011202 /// Set off-chain data schema.1203 /// 1204 /// # Permissions1205 /// 1206 /// * Collection Owner1207 /// * Collection Admin1208 /// 1209 /// # Arguments1210 /// 1211 /// * collection_id.1212 /// 1213 /// * schema: String representing the offchain data schema.1214 #[weight = <T as Config>::WeightInfo::set_variable_meta_data()]1215 pub fn set_variable_meta_data (1216 origin,1217 collection_id: CollectionId,1218 item_id: TokenId,1219 data: Vec<u8>1220 ) -> DispatchResult {1221 let sender = ensure_signed(origin)?;1222 1223 Self::collection_exists(collection_id)?;1224 Self::token_exists(collection_id, item_id, &sender)?;12251226 ensure!(ChainLimit::get().custom_data_limit >= data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);12271228 // Modify permissions check1229 let target_collection = <Collection<T>>::get(collection_id);1230 ensure!(Self::is_item_owner(sender.clone(), collection_id, item_id) ||1231 Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1232 Error::<T>::NoPermission);12331234 match target_collection.mode1235 {1236 CollectionMode::NFT => Self::set_nft_variable_data(collection_id, item_id, data)?,1237 CollectionMode::ReFungible => Self::set_re_fungible_variable_data(collection_id, item_id, data)?,1238 CollectionMode::Fungible(_) => fail!(Error::<T>::CantStoreMetadataInFungibleTokens),1239 _ => fail!(Error::<T>::UnexpectedCollectionType)1240 };12411242 Ok(())1243 }1244 1245 /// Set schema standard1246 /// ImageURL1247 /// Unique1248 /// 1249 /// # Permissions1250 /// 1251 /// * Collection Owner1252 /// * Collection Admin1253 /// 1254 /// # Arguments1255 /// 1256 /// * collection_id.1257 /// 1258 /// * schema: SchemaVersion: enum1259 #[weight = <T as Config>::WeightInfo::set_schema_version()]1260 pub fn set_schema_version(1261 origin,1262 collection_id: CollectionId,1263 version: SchemaVersion1264 ) -> DispatchResult {1265 let sender = ensure_signed(origin)?;1266 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;1267 let mut target_collection = <Collection<T>>::get(collection_id);1268 target_collection.schema_version = version;1269 <Collection<T>>::insert(collection_id, target_collection);12701271 Ok(())1272 }12731274 /// Set off-chain data schema.1275 /// 1276 /// # Permissions1277 /// 1278 /// * Collection Owner1279 /// * Collection Admin1280 /// 1281 /// # Arguments1282 /// 1283 /// * collection_id.1284 /// 1285 /// * schema: String representing the offchain data schema.1286 #[weight = <T as Config>::WeightInfo::set_offchain_schema()]1287 pub fn set_offchain_schema(1288 origin,1289 collection_id: CollectionId,1290 schema: Vec<u8>1291 ) -> DispatchResult {1292 let sender = ensure_signed(origin)?;1293 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;12941295 // check schema limit1296 ensure!(schema.len() as u32 <= ChainLimit::get().offchain_schema_limit, "");12971298 let mut target_collection = <Collection<T>>::get(collection_id);1299 target_collection.offchain_schema = schema;1300 <Collection<T>>::insert(collection_id, target_collection);13011302 Ok(())1303 }13041305 /// Set const on-chain data schema.1306 /// 1307 /// # Permissions1308 /// 1309 /// * Collection Owner1310 /// * Collection Admin1311 /// 1312 /// # Arguments1313 /// 1314 /// * collection_id.1315 /// 1316 /// * schema: String representing the const on-chain data schema.1317 #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]1318 pub fn set_const_on_chain_schema (1319 origin,1320 collection_id: CollectionId,1321 schema: Vec<u8>1322 ) -> DispatchResult {1323 let sender = ensure_signed(origin)?;1324 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;13251326 // check schema limit1327 ensure!(schema.len() as u32 <= ChainLimit::get().const_on_chain_schema_limit, "");13281329 let mut target_collection = <Collection<T>>::get(collection_id);1330 target_collection.const_on_chain_schema = schema;1331 <Collection<T>>::insert(collection_id, target_collection);13321333 Ok(())1334 }13351336 /// Set variable on-chain data schema.1337 /// 1338 /// # Permissions1339 /// 1340 /// * Collection Owner1341 /// * Collection Admin1342 /// 1343 /// # Arguments1344 /// 1345 /// * collection_id.1346 /// 1347 /// * schema: String representing the variable on-chain data schema.1348 #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]1349 pub fn set_variable_on_chain_schema (1350 origin,1351 collection_id: CollectionId,1352 schema: Vec<u8>1353 ) -> DispatchResult {1354 let sender = ensure_signed(origin)?;1355 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;13561357 // check schema limit1358 ensure!(schema.len() as u32 <= ChainLimit::get().variable_on_chain_schema_limit, "");13591360 let mut target_collection = <Collection<T>>::get(collection_id);1361 target_collection.variable_on_chain_schema = schema;1362 <Collection<T>>::insert(collection_id, target_collection);13631364 Ok(())1365 }13661367 // Sudo permissions function1368 #[weight = <T as Config>::WeightInfo::set_chain_limits()]1369 pub fn set_chain_limits(1370 origin,1371 limits: ChainLimits1372 ) -> DispatchResult {13731374 #[cfg(not(feature = "runtime-benchmarks"))]1375 ensure_root(origin)?;13761377 <ChainLimit>::put(limits);1378 Ok(())1379 }13801381 /// Enable smart contract self-sponsoring.1382 /// 1383 /// # Permissions1384 /// 1385 /// * Contract Owner1386 /// 1387 /// # Arguments1388 /// 1389 /// * contract address1390 /// * enable flag1391 /// 1392 #[weight = <T as Config>::WeightInfo::enable_contract_sponsoring()]1393 pub fn enable_contract_sponsoring(1394 origin,1395 contract_address: T::AccountId,1396 enable: bool1397 ) -> DispatchResult {13981399 let sender = ensure_signed(origin)?;14001401 #[cfg(feature = "runtime-benchmarks")]1402 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());14031404 Self::ensure_contract_owned(sender, &contract_address)?;14051406 <ContractSelfSponsoring<T>>::insert(contract_address, enable);1407 Ok(())1408 }14091410 /// Set the rate limit for contract sponsoring to specified number of blocks.1411 /// 1412 /// If not set (has the default value of 0 blocks), the sponsoring will be disabled. 1413 /// If set to the number B (for blocks), the transactions will be sponsored with a rate 1414 /// limit of B, i.e. fees for every transaction sent to this smart contract will be paid 1415 /// from contract endowment if there are at least B blocks between such transactions. 1416 /// Nonetheless, if transactions are sent more frequently, the fees are paid by the sender.1417 /// 1418 /// # Permissions1419 /// 1420 /// * Contract Owner1421 /// 1422 /// # Arguments1423 /// 1424 /// -`contract_address`: Address of the contract to sponsor1425 /// -`rate_limit`: Number of blocks to wait until the next sponsored transaction is allowed1426 /// 1427 #[weight = <T as Config>::WeightInfo::set_contract_sponsoring_rate_limit()]1428 pub fn set_contract_sponsoring_rate_limit(1429 origin,1430 contract_address: T::AccountId,1431 rate_limit: T::BlockNumber1432 ) -> DispatchResult {1433 let sender = ensure_signed(origin)?;14341435 #[cfg(feature = "runtime-benchmarks")]1436 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());14371438 Self::ensure_contract_owned(sender, &contract_address)?;1439 <ContractSponsoringRateLimit<T>>::insert(contract_address, rate_limit);1440 Ok(())1441 }14421443 /// Enable the white list for a contract. Only addresses added to the white list with addToContractWhiteList will be able to call this smart contract.1444 /// 1445 /// # Permissions1446 /// 1447 /// * Address that deployed smart contract.1448 /// 1449 /// # Arguments1450 /// 1451 /// -`contract_address`: Address of the contract.1452 /// 1453 /// - `enable`: . 1454 #[weight = <T as Config>::WeightInfo::toggle_contract_white_list()]1455 pub fn toggle_contract_white_list(1456 origin,1457 contract_address: T::AccountId,1458 enable: bool1459 ) -> DispatchResult {1460 let sender = ensure_signed(origin)?;14611462 #[cfg(feature = "runtime-benchmarks")]1463 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());14641465 Self::ensure_contract_owned(sender, &contract_address)?;1466 <ContractWhiteListEnabled<T>>::insert(contract_address, enable);1467 Ok(())1468 }1469 1470 /// Add an address to smart contract white list.1471 /// 1472 /// # Permissions1473 /// 1474 /// * Address that deployed smart contract.1475 /// 1476 /// # Arguments1477 /// 1478 /// -`contract_address`: Address of the contract.1479 ///1480 /// -`account_address`: Address to add.1481 #[weight = <T as Config>::WeightInfo::add_to_contract_white_list()]1482 pub fn add_to_contract_white_list(1483 origin,1484 contract_address: T::AccountId,1485 account_address: T::AccountId1486 ) -> DispatchResult {1487 let sender = ensure_signed(origin)?;14881489 #[cfg(feature = "runtime-benchmarks")]1490 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());1491 1492 Self::ensure_contract_owned(sender, &contract_address)?; 1493 <ContractWhiteList<T>>::insert(contract_address, account_address, true);1494 Ok(())1495 }14961497 /// Remove an address from smart contract white list.1498 /// 1499 /// # Permissions1500 /// 1501 /// * Address that deployed smart contract.1502 /// 1503 /// # Arguments1504 /// 1505 /// -`contract_address`: Address of the contract.1506 ///1507 /// -`account_address`: Address to remove.1508 #[weight = <T as Config>::WeightInfo::remove_from_contract_white_list()]1509 pub fn remove_from_contract_white_list(1510 origin,1511 contract_address: T::AccountId,1512 account_address: T::AccountId1513 ) -> DispatchResult {1514 let sender = ensure_signed(origin)?;15151516 #[cfg(feature = "runtime-benchmarks")]1517 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());15181519 Self::ensure_contract_owned(sender, &contract_address)?;1520 <ContractWhiteList<T>>::remove(contract_address, account_address);1521 Ok(())1522 }15231524 #[weight = <T as Config>::WeightInfo::set_collection_limits()]1525 pub fn set_collection_limits(1526 origin,1527 collection_id: u32,1528 limits: CollectionLimits,1529 ) -> DispatchResult {1530 let sender = ensure_signed(origin)?;1531 Self::check_owner_permissions(collection_id, sender.clone())?;1532 let mut target_collection = <Collection<T>>::get(collection_id);1533 let chain_limits = ChainLimit::get();1534 let climits = target_collection.limits;15351536 // collection bounds1537 ensure!(limits.sponsor_transfer_timeout <= MAX_SPONSOR_TIMEOUT &&1538 limits.account_token_ownership_limit <= MAX_TOKEN_OWNERSHIP, 1539 Error::<T>::CollectionLimitBoundsExceeded);15401541 // token_limit check prev1542 ensure!(climits.token_limit > limits.token_limit && 1543 limits.token_limit <= chain_limits.account_token_ownership_limit, 1544 Error::<T>::AccountTokenLimitExceeded);15451546 target_collection.limits = limits;1547 <Collection<T>>::insert(collection_id, target_collection);15481549 Ok(())1550 } 1551 }1552}15531554impl<T: Config> Module<T> {15551556 pub fn transfer_internal(sender: T::AccountId, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {15571558 let target_collection = <Collection<T>>::get(collection_id);15591560 // Limits check1561 Self::is_correct_transfer(collection_id, &target_collection, &recipient)?;15621563 // Transfer permissions check1564 ensure!(Self::is_item_owner(sender.clone(), collection_id, item_id) ||1565 Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1566 Error::<T>::NoPermission);15671568 if target_collection.access == AccessMode::WhiteList {1569 Self::check_white_list(collection_id, &sender)?;1570 Self::check_white_list(collection_id, &recipient)?;1571 }15721573 match target_collection.mode1574 {1575 CollectionMode::NFT => Self::transfer_nft(collection_id, item_id, sender.clone(), recipient)?,1576 CollectionMode::Fungible(_) => Self::transfer_fungible(collection_id, value, &sender, &recipient)?,1577 CollectionMode::ReFungible => Self::transfer_refungible(collection_id, item_id, value, sender.clone(), recipient)?,1578 _ => ()1579 };15801581 Ok(())1582 }158315841585 fn is_correct_transfer(collection_id: CollectionId, collection: &CollectionType<T::AccountId>, recipient: &T::AccountId) -> DispatchResult {15861587 // check token limit and account token limit1588 let account_items: u32 = <AddressTokens<T>>::get(collection_id, recipient).len() as u32;1589 ensure!(collection.limits.account_token_ownership_limit > account_items, Error::<T>::AccountTokenLimitExceeded);1590 1591 Ok(())1592 }15931594 fn can_create_items_in_collection(collection_id: CollectionId, collection: &CollectionType<T::AccountId>, sender: &T::AccountId, owner: &T::AccountId) -> DispatchResult {15951596 // check token limit and account token limit1597 let total_items: u32 = ItemListIndex::get(collection_id);1598 let account_items: u32 = <AddressTokens<T>>::get(collection_id, owner).len() as u32;1599 ensure!(collection.limits.token_limit > total_items, Error::<T>::CollectionTokenLimitExceeded);1600 ensure!(collection.limits.account_token_ownership_limit > account_items, Error::<T>::AccountTokenLimitExceeded);16011602 if !Self::is_owner_or_admin_permissions(collection_id, sender.clone()) {1603 ensure!(collection.mint_mode == true, Error::<T>::PublicMintingNotAllowed);1604 Self::check_white_list(collection_id, owner)?;1605 Self::check_white_list(collection_id, sender)?;1606 }16071608 Ok(())1609 }16101611 fn validate_create_item_args(target_collection: &CollectionType<T::AccountId>, data: &CreateItemData) -> DispatchResult {1612 match target_collection.mode1613 {1614 CollectionMode::NFT => {1615 if let CreateItemData::NFT(data) = data {1616 // check sizes1617 ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);1618 ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);1619 } else {1620 fail!(Error::<T>::NotNftDataUsedToMintNftCollectionToken);1621 }1622 },1623 CollectionMode::Fungible(_) => {1624 if let CreateItemData::Fungible(_) = data {1625 } else {1626 fail!(Error::<T>::NotFungibleDataUsedToMintFungibleCollectionToken);1627 }1628 },1629 CollectionMode::ReFungible => {1630 if let CreateItemData::ReFungible(data) = data {16311632 // check sizes1633 ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);1634 ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);16351636 // Check refungibility limits1637 ensure!(data.pieces <= MAX_REFUNGIBLE_PIECES, Error::<T>::WrongRefungiblePieces);1638 ensure!(data.pieces > 0, Error::<T>::WrongRefungiblePieces);1639 } else {1640 fail!(Error::<T>::NotReFungibleDataUsedToMintReFungibleCollectionToken);1641 }1642 },1643 _ => { fail!(Error::<T>::UnexpectedCollectionType); }1644 };16451646 Ok(())1647 }16481649 fn create_item_no_validation(collection_id: CollectionId, owner: T::AccountId, data: CreateItemData) -> DispatchResult {1650 match data1651 {1652 CreateItemData::NFT(data) => {1653 let item = NftItemType {1654 owner,1655 const_data: data.const_data,1656 variable_data: data.variable_data1657 };16581659 Self::add_nft_item(collection_id, item)?;1660 },1661 CreateItemData::Fungible(data) => {1662 Self::add_fungible_item(collection_id, &owner, data.value)?;1663 },1664 CreateItemData::ReFungible(data) => {1665 let mut owner_list = Vec::new();1666 owner_list.push(Ownership {owner: owner.clone(), fraction: data.pieces});16671668 let item = ReFungibleItemType {1669 owner: owner_list,1670 const_data: data.const_data,1671 variable_data: data.variable_data1672 };16731674 Self::add_refungible_item(collection_id, item)?;1675 }1676 };16771678 // call event1679 Self::deposit_event(RawEvent::ItemCreated(collection_id, <ItemListIndex>::get(collection_id)));16801681 Ok(())1682 }16831684 fn add_fungible_item(collection_id: CollectionId, owner: &T::AccountId, value: u128) -> DispatchResult {16851686 // Does new owner already have an account?1687 let mut balance: u128 = 0;1688 if <FungibleItemList<T>>::contains_key(collection_id, owner) {1689 balance = <FungibleItemList<T>>::get(collection_id, owner).value;1690 } 16911692 // Mint 1693 let item = FungibleItemType {1694 value: balance + value1695 };1696 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), item);16971698 // Update balance1699 let new_balance = <Balance<T>>::get(collection_id, owner)1700 .checked_add(value)1701 .ok_or(Error::<T>::NumOverflow)?;1702 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);17031704 Ok(())1705 }17061707 fn add_refungible_item(collection_id: CollectionId, item: ReFungibleItemType<T::AccountId>) -> DispatchResult {1708 let current_index = <ItemListIndex>::get(collection_id)1709 .checked_add(1)1710 .ok_or(Error::<T>::NumOverflow)?;1711 let itemcopy = item.clone();17121713 let value = item.owner.first().unwrap().fraction;1714 let owner = item.owner.first().unwrap().owner.clone();17151716 Self::add_token_index(collection_id, current_index, &owner)?;17171718 <ItemListIndex>::insert(collection_id, current_index);1719 <ReFungibleItemList<T>>::insert(collection_id, current_index, itemcopy);17201721 // Update balance1722 let new_balance = <Balance<T>>::get(collection_id, &owner)1723 .checked_add(value)1724 .ok_or(Error::<T>::NumOverflow)?;1725 <Balance<T>>::insert(collection_id, owner.clone(), new_balance);17261727 Ok(())1728 }17291730 fn add_nft_item(collection_id: CollectionId, item: NftItemType<T::AccountId>) -> DispatchResult {1731 let current_index = <ItemListIndex>::get(collection_id)1732 .checked_add(1)1733 .ok_or(Error::<T>::NumOverflow)?;17341735 let item_owner = item.owner.clone();1736 Self::add_token_index(collection_id, current_index, &item.owner)?;17371738 <ItemListIndex>::insert(collection_id, current_index);1739 <NftItemList<T>>::insert(collection_id, current_index, item);17401741 // Update balance1742 let new_balance = <Balance<T>>::get(collection_id, item_owner.clone())1743 .checked_add(1)1744 .ok_or(Error::<T>::NumOverflow)?;1745 <Balance<T>>::insert(collection_id, item_owner.clone(), new_balance);17461747 Ok(())1748 }17491750 fn burn_refungible_item(1751 collection_id: CollectionId,1752 item_id: TokenId,1753 owner: &T::AccountId,1754 ) -> DispatchResult {1755 ensure!(1756 <ReFungibleItemList<T>>::contains_key(collection_id, item_id),1757 Error::<T>::TokenNotFound1758 );1759 let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id);1760 let rft_balance = token1761 .owner1762 .iter()1763 .filter(|&i| i.owner == *owner)1764 .next()1765 .unwrap();1766 Self::remove_token_index(collection_id, item_id, owner)?;17671768 // update balance1769 let new_balance = <Balance<T>>::get(collection_id, rft_balance.owner.clone())1770 .checked_sub(rft_balance.fraction)1771 .ok_or(Error::<T>::NumOverflow)?;1772 <Balance<T>>::insert(collection_id, rft_balance.owner.clone(), new_balance);17731774 // Re-create owners list with sender removed1775 let index = token1776 .owner1777 .iter()1778 .position(|i| i.owner == *owner)1779 .unwrap();1780 token.owner.remove(index);1781 let owner_count = token.owner.len();17821783 // Burn the token completely if this was the last (only) owner1784 if owner_count == 0 {1785 <ReFungibleItemList<T>>::remove(collection_id, item_id);1786 }1787 else {1788 <ReFungibleItemList<T>>::insert(collection_id, item_id, token);1789 }17901791 Ok(())1792 }17931794 fn burn_nft_item(collection_id: CollectionId, item_id: TokenId) -> DispatchResult {1795 ensure!(1796 <NftItemList<T>>::contains_key(collection_id, item_id),1797 Error::<T>::TokenNotFound1798 );1799 let item = <NftItemList<T>>::get(collection_id, item_id);1800 Self::remove_token_index(collection_id, item_id, &item.owner)?;18011802 // update balance1803 let new_balance = <Balance<T>>::get(collection_id, &item.owner)1804 .checked_sub(1)1805 .ok_or(Error::<T>::NumOverflow)?;1806 <Balance<T>>::insert(collection_id, item.owner.clone(), new_balance);1807 <NftItemList<T>>::remove(collection_id, item_id);18081809 Ok(())1810 }18111812 fn burn_fungible_item(owner: &T::AccountId, collection_id: CollectionId, value: u128) -> DispatchResult {1813 ensure!(1814 <FungibleItemList<T>>::contains_key(collection_id, owner),1815 Error::<T>::TokenNotFound1816 );1817 let mut balance = <FungibleItemList<T>>::get(collection_id, owner);1818 ensure!(balance.value >= value, Error::<T>::TokenValueNotEnough);18191820 // update balance1821 let new_balance = <Balance<T>>::get(collection_id, owner)1822 .checked_sub(value)1823 .ok_or(Error::<T>::NumOverflow)?;1824 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);18251826 if balance.value - value > 0 {1827 balance.value -= value;1828 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), balance);1829 }1830 else {1831 <FungibleItemList<T>>::remove(collection_id, owner);1832 }18331834 Ok(())1835 }18361837 fn collection_exists(collection_id: CollectionId) -> DispatchResult {1838 ensure!(1839 <Collection<T>>::contains_key(collection_id),1840 Error::<T>::CollectionNotFound1841 );1842 Ok(())1843 }18441845 fn check_owner_permissions(collection_id: CollectionId, subject: T::AccountId) -> DispatchResult {1846 Self::collection_exists(collection_id)?;18471848 let target_collection = <Collection<T>>::get(collection_id);1849 ensure!(1850 subject == target_collection.owner,1851 Error::<T>::NoPermission1852 );18531854 Ok(())1855 }18561857 fn is_owner_or_admin_permissions(collection_id: CollectionId, subject: T::AccountId) -> bool {1858 let target_collection = <Collection<T>>::get(collection_id);1859 let mut result: bool = subject == target_collection.owner;1860 let exists = <AdminList<T>>::contains_key(collection_id);18611862 if !result & exists {1863 if <AdminList<T>>::get(collection_id).contains(&subject) {1864 result = true1865 }1866 }18671868 result1869 }18701871 fn check_owner_or_admin_permissions(1872 collection_id: CollectionId,1873 subject: T::AccountId,1874 ) -> DispatchResult {1875 Self::collection_exists(collection_id)?;1876 let result = Self::is_owner_or_admin_permissions(collection_id, subject.clone());18771878 ensure!(1879 result,1880 Error::<T>::NoPermission1881 );1882 Ok(())1883 }18841885 fn owned_amount(1886 subject: T::AccountId,1887 collection_id: CollectionId,1888 item_id: TokenId,1889 ) -> Option<u128> {1890 let target_collection = <Collection<T>>::get(collection_id);18911892 match target_collection.mode {1893 CollectionMode::NFT => {1894 if <NftItemList<T>>::get(collection_id, item_id).owner == subject {1895 return Some(1)1896 }1897 None1898 },1899 CollectionMode::Fungible(_) => {1900 if <FungibleItemList<T>>::contains_key(collection_id, &subject) {1901 return Some(<FungibleItemList<T>>::get(collection_id, &subject)1902 .value);1903 }1904 None1905 },1906 CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)1907 .owner1908 .iter()1909 .find(|i| i.owner == subject)1910 .map(|i| i.fraction),1911 CollectionMode::Invalid => None,1912 }1913 }19141915 fn is_item_owner(subject: T::AccountId, collection_id: CollectionId, item_id: TokenId) -> bool {1916 let target_collection = <Collection<T>>::get(collection_id);19171918 match target_collection.mode {1919 CollectionMode::NFT => {1920 <NftItemList<T>>::get(collection_id, item_id).owner == subject1921 }1922 CollectionMode::Fungible(_) => {1923 <FungibleItemList<T>>::contains_key(collection_id, &subject)1924 }1925 CollectionMode::ReFungible => {1926 <ReFungibleItemList<T>>::get(collection_id, item_id)1927 .owner1928 .iter()1929 .any(|i| i.owner == subject)1930 }1931 CollectionMode::Invalid => false,1932 }1933 }19341935 fn check_white_list(collection_id: CollectionId, address: &T::AccountId) -> DispatchResult {1936 let mes = Error::<T>::AddresNotInWhiteList;1937 ensure!(<WhiteList<T>>::contains_key(collection_id, address), mes);19381939 Ok(())1940 }19411942 /// Check if token exists. In case of Fungible, check if there is an entry for 1943 /// the owner in fungible balances double map1944 fn token_exists(1945 collection_id: CollectionId,1946 item_id: TokenId,1947 owner: &T::AccountId1948 ) -> DispatchResult {1949 let target_collection = <Collection<T>>::get(collection_id);1950 let exists = match target_collection.mode1951 {1952 CollectionMode::NFT => <NftItemList<T>>::contains_key(collection_id, item_id),1953 CollectionMode::Fungible(_) => <FungibleItemList<T>>::contains_key(collection_id, owner),1954 CollectionMode::ReFungible => <ReFungibleItemList<T>>::contains_key(collection_id, item_id),1955 _ => false1956 };19571958 ensure!(exists == true, Error::<T>::TokenNotFound);1959 Ok(())1960 }19611962 fn transfer_fungible(1963 collection_id: CollectionId,1964 value: u128,1965 owner: &T::AccountId,1966 recipient: &T::AccountId,1967 ) -> DispatchResult {1968 Self::token_exists(collection_id, 0, owner)?;19691970 let mut balance = <FungibleItemList<T>>::get(collection_id, owner);1971 ensure!(balance.value >= value, Error::<T>::TokenValueTooLow);19721973 // Send balance to recipient (updates balanceOf of recipient)1974 Self::add_fungible_item(collection_id, recipient, value)?;19751976 // update balanceOf of sender1977 <Balance<T>>::insert(collection_id, (*owner).clone(), balance.value - value);19781979 // Reduce or remove sender1980 if balance.value == value {1981 <FungibleItemList<T>>::remove(collection_id, owner);1982 }1983 else {1984 balance.value -= value;1985 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), balance);1986 }19871988 Ok(())1989 }19901991 fn transfer_refungible(1992 collection_id: CollectionId,1993 item_id: TokenId,1994 value: u128,1995 owner: T::AccountId,1996 new_owner: T::AccountId,1997 ) -> DispatchResult {1998 Self::token_exists(collection_id, item_id, &owner)?;19992000 let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id);2001 let item = full_item2002 .owner2003 .iter()2004 .filter(|i| i.owner == owner)2005 .next()2006 .ok_or(Error::<T>::NumOverflow)?;2007 let amount = item.fraction;20082009 ensure!(amount >= value, Error::<T>::TokenValueTooLow);20102011 // update balance2012 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.clone())2013 .checked_sub(value)2014 .ok_or(Error::<T>::NumOverflow)?;2015 <Balance<T>>::insert(collection_id, item.owner.clone(), balance_old_owner);20162017 let balancenew_owner = <Balance<T>>::get(collection_id, new_owner.clone())2018 .checked_add(value)2019 .ok_or(Error::<T>::NumOverflow)?;2020 <Balance<T>>::insert(collection_id, new_owner.clone(), balancenew_owner);20212022 let old_owner = item.owner.clone();2023 let new_owner_has_account = full_item.owner.iter().any(|i| i.owner == new_owner);20242025 // transfer2026 if amount == value && !new_owner_has_account {2027 // change owner2028 // new owner do not have account2029 let mut new_full_item = full_item.clone();2030 new_full_item2031 .owner2032 .iter_mut()2033 .find(|i| i.owner == owner)2034 .unwrap()2035 .owner = new_owner.clone();2036 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);20372038 // update index collection2039 Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;2040 } else {2041 let mut new_full_item = full_item.clone();2042 new_full_item2043 .owner2044 .iter_mut()2045 .find(|i| i.owner == owner)2046 .unwrap()2047 .fraction -= value;20482049 // separate amount2050 if new_owner_has_account {2051 // new owner has account2052 new_full_item2053 .owner2054 .iter_mut()2055 .find(|i| i.owner == new_owner)2056 .unwrap()2057 .fraction += value;2058 } else {2059 // new owner do not have account2060 new_full_item.owner.push(Ownership {2061 owner: new_owner.clone(),2062 fraction: value,2063 });2064 Self::add_token_index(collection_id, item_id, &new_owner)?;2065 }20662067 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);2068 }20692070 Ok(())2071 }20722073 fn transfer_nft(2074 collection_id: CollectionId,2075 item_id: TokenId,2076 sender: T::AccountId,2077 new_owner: T::AccountId,2078 ) -> DispatchResult {2079 Self::token_exists(collection_id, item_id, &sender)?;20802081 let mut item = <NftItemList<T>>::get(collection_id, item_id);20822083 ensure!(2084 sender == item.owner,2085 Error::<T>::MustBeTokenOwner2086 );20872088 // update balance2089 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.clone())2090 .checked_sub(1)2091 .ok_or(Error::<T>::NumOverflow)?;2092 <Balance<T>>::insert(collection_id, item.owner.clone(), balance_old_owner);20932094 let balancenew_owner = <Balance<T>>::get(collection_id, new_owner.clone())2095 .checked_add(1)2096 .ok_or(Error::<T>::NumOverflow)?;2097 <Balance<T>>::insert(collection_id, new_owner.clone(), balancenew_owner);20982099 // change owner2100 let old_owner = item.owner.clone();2101 item.owner = new_owner.clone();2102 <NftItemList<T>>::insert(collection_id, item_id, item);21032104 // update index collection2105 Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;21062107 Ok(())2108 }2109 2110 fn set_re_fungible_variable_data(2111 collection_id: CollectionId,2112 item_id: TokenId,2113 data: Vec<u8>2114 ) -> DispatchResult {2115 let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id);21162117 item.variable_data = data;21182119 <ReFungibleItemList<T>>::insert(collection_id, item_id, item);21202121 Ok(())2122 }21232124 fn set_nft_variable_data(2125 collection_id: CollectionId,2126 item_id: TokenId,2127 data: Vec<u8>2128 ) -> DispatchResult {2129 let mut item = <NftItemList<T>>::get(collection_id, item_id);2130 2131 item.variable_data = data;21322133 <NftItemList<T>>::insert(collection_id, item_id, item);2134 2135 Ok(())2136 }21372138 fn init_collection(item: &CollectionType<T::AccountId>) {2139 // check params2140 assert!(2141 item.decimal_points <= MAX_DECIMAL_POINTS,2142 "decimal_points parameter must be lower than MAX_DECIMAL_POINTS"2143 );2144 assert!(2145 item.name.len() <= 64,2146 "Collection name can not be longer than 63 char"2147 );2148 assert!(2149 item.name.len() <= 256,2150 "Collection description can not be longer than 255 char"2151 );2152 assert!(2153 item.token_prefix.len() <= 16,2154 "Token prefix can not be longer than 15 char"2155 );21562157 // Generate next collection ID2158 let next_id = CreatedCollectionCount::get()2159 .checked_add(1)2160 .unwrap();21612162 CreatedCollectionCount::put(next_id);2163 }21642165 fn init_nft_token(collection_id: CollectionId, item: &NftItemType<T::AccountId>) {2166 let current_index = <ItemListIndex>::get(collection_id)2167 .checked_add(1)2168 .unwrap();21692170 let item_owner = item.owner.clone();2171 Self::add_token_index(collection_id, current_index, &item.owner).unwrap();21722173 <ItemListIndex>::insert(collection_id, current_index);21742175 // Update balance2176 let new_balance = <Balance<T>>::get(collection_id, &item_owner)2177 .checked_add(1)2178 .unwrap();2179 <Balance<T>>::insert(collection_id, item_owner.clone(), new_balance);2180 }21812182 fn init_fungible_token(collection_id: CollectionId, owner: &T::AccountId, item: &FungibleItemType) {2183 let current_index = <ItemListIndex>::get(collection_id)2184 .checked_add(1)2185 .unwrap();21862187 Self::add_token_index(collection_id, current_index, owner).unwrap();21882189 <ItemListIndex>::insert(collection_id, current_index);21902191 // Update balance2192 let new_balance = <Balance<T>>::get(collection_id, owner)2193 .checked_add(item.value)2194 .unwrap();2195 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);2196 }21972198 fn init_refungible_token(collection_id: CollectionId, item: &ReFungibleItemType<T::AccountId>) {2199 let current_index = <ItemListIndex>::get(collection_id)2200 .checked_add(1)2201 .unwrap();22022203 let value = item.owner.first().unwrap().fraction;2204 let owner = item.owner.first().unwrap().owner.clone();22052206 Self::add_token_index(collection_id, current_index, &owner).unwrap();22072208 <ItemListIndex>::insert(collection_id, current_index);22092210 // Update balance2211 let new_balance = <Balance<T>>::get(collection_id, &owner)2212 .checked_add(value)2213 .unwrap();2214 <Balance<T>>::insert(collection_id, owner.clone(), new_balance);2215 }22162217 fn add_token_index(collection_id: CollectionId, item_index: TokenId, owner: &T::AccountId) -> DispatchResult {22182219 // add to account limit2220 if <AccountItemCount<T>>::contains_key(owner) {22212222 // bound Owned tokens by a single address2223 let count = <AccountItemCount<T>>::get(owner);2224 ensure!(count < ChainLimit::get().account_token_ownership_limit, Error::<T>::AddressOwnershipLimitExceeded);22252226 <AccountItemCount<T>>::insert(owner.clone(), count2227 .checked_add(1)2228 .ok_or(Error::<T>::NumOverflow)?);2229 }2230 else {2231 <AccountItemCount<T>>::insert(owner.clone(), 1);2232 }22332234 let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner);2235 if list_exists {2236 let mut list = <AddressTokens<T>>::get(collection_id, owner);2237 let item_contains = list.contains(&item_index.clone());22382239 if !item_contains {2240 list.push(item_index.clone());2241 }22422243 <AddressTokens<T>>::insert(collection_id, owner.clone(), list);2244 } else {2245 let mut itm = Vec::new();2246 itm.push(item_index.clone());2247 <AddressTokens<T>>::insert(collection_id, owner.clone(), itm);2248 }22492250 Ok(())2251 }22522253 fn remove_token_index(2254 collection_id: CollectionId,2255 item_index: TokenId,2256 owner: &T::AccountId,2257 ) -> DispatchResult {22582259 // update counter2260 <AccountItemCount<T>>::insert(owner.clone(), 2261 <AccountItemCount<T>>::get(owner)2262 .checked_sub(1)2263 .ok_or(Error::<T>::NumOverflow)?);226422652266 let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner);2267 if list_exists {2268 let mut list = <AddressTokens<T>>::get(collection_id, owner);2269 let item_contains = list.contains(&item_index.clone());22702271 if item_contains {2272 list.retain(|&item| item != item_index);2273 <AddressTokens<T>>::insert(collection_id, owner.clone(), list);2274 }2275 }22762277 Ok(())2278 }22792280 fn move_token_index(2281 collection_id: CollectionId,2282 item_index: TokenId,2283 old_owner: &T::AccountId,2284 new_owner: &T::AccountId,2285 ) -> DispatchResult {2286 Self::remove_token_index(collection_id, item_index, old_owner)?;2287 Self::add_token_index(collection_id, item_index, new_owner)?;22882289 Ok(())2290 }2291 2292 fn ensure_contract_owned(account: T::AccountId, contract: &T::AccountId) -> DispatchResult {2293 if <ContractOwner<T>>::contains_key(contract.clone()) {2294 let owner = <ContractOwner<T>>::get(contract);2295 ensure!(account == owner, Error::<T>::NoPermission);2296 } else {2297 fail!(Error::<T>::NoPermission);2298 }22992300 Ok(())2301 }2302}23032304////////////////////////////////////////////////////////////////////////////////////////////////////2305// Economic models2306// #region23072308/// Fee multiplier.2309pub type Multiplier = FixedU128;23102311type BalanceOf<T> = <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::Balance;23122313/// Require the transactor pay for themselves and maybe include a tip to gain additional priority2314/// in the queue.2315#[derive(Encode, Decode, Clone, Eq, PartialEq)]2316pub struct ChargeTransactionPayment<T: Config>(#[codec(compact)] BalanceOf<T>);23172318impl<T: Config + Send + Sync> sp_std::fmt::Debug 2319 for ChargeTransactionPayment<T>2320{2321 #[cfg(feature = "std")]2322 fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {2323 write!(f, "ChargeTransactionPayment<{:?}>", self.0)2324 }2325 #[cfg(not(feature = "std"))]2326 fn fmt(&self, _: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {2327 Ok(())2328 }2329}23302331impl<T: Config> ChargeTransactionPayment<T>2332where2333 T::Call: Dispatchable<Info=DispatchInfo, PostInfo=PostDispatchInfo> + IsSubType<Call<T>> + IsSubType<pallet_contracts::Call<T>>,2334 BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,2335 T::AccountId: AsRef<[u8]>,2336 T::AccountId: UncheckedFrom<T::Hash>,2337{2338 fn traditional_fee(2339 len: usize,2340 info: &DispatchInfoOf<T::Call>,2341 tip: BalanceOf<T>,2342 ) -> BalanceOf<T>2343 where2344 T::Call: Dispatchable<Info = DispatchInfo>,2345 {2346 <transaction_payment::Module<T>>::compute_fee(len as u32, info, tip)2347 }23482349 fn get_priority(len: usize, info: &DispatchInfoOf<T::Call>, final_fee: BalanceOf<T>) -> TransactionPriority {2350 let weight_saturation = T::BlockWeights::get().max_block / info.weight.max(1);2351 let max_block_length = *T::BlockLength::get().max.get(DispatchClass::Normal);2352 let len_saturation = max_block_length as u64 / (len as u64).max(1);2353 let coefficient: BalanceOf<T> = weight_saturation2354 .min(len_saturation)2355 .saturated_into::<BalanceOf<T>>();2356 final_fee2357 .saturating_mul(coefficient)2358 .saturated_into::<TransactionPriority>()2359 }23602361 fn withdraw_fee(2362 &self,2363 who: &T::AccountId,2364 call: &T::Call,2365 info: &DispatchInfoOf<T::Call>,2366 len: usize,2367 ) -> Result<2368 (2369 BalanceOf<T>,2370 <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,2371 ),2372 TransactionValidityError,2373 > {2374 let tip = self.0;23752376 // Set fee based on call type. Creating collection costs 1 Unique.2377 // All other transactions have traditional fees so far2378 // let fee = match call.is_sub_type() {2379 // Some(Call::create_collection(..)) => <BalanceOf<T>>::from(1_000_000_000),2380 // _ => Self::traditional_fee(len, info, tip), // Flat fee model, use only for testing purposes2381 // // _ => <BalanceOf<T>>::from(100)2382 // };2383 let fee = Self::traditional_fee(len, info, tip);23842385 // Only mess with balances if fee is not zero.2386 if fee.is_zero() {2387 return <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::withdraw_fee(who, call, info, fee, tip)2388 .map(|i| (fee, i));2389 }23902391 // Determine who is paying transaction fee based on ecnomic model2392 // Parse call to extract collection ID and access collection sponsor2393 let mut sponsor: T::AccountId = match IsSubType::<Call<T>>::is_sub_type(call) {2394 Some(Call::create_item(collection_id, _owner, _properties)) => {23952396 // sponsor timeout2397 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;23982399 let limit = <Collection<T>>::get(collection_id).limits.sponsor_transfer_timeout;2400 let mut sponsored = true;2401 if <CreateItemBasket<T>>::contains_key((collection_id, &who)) {2402 let last_tx_block = <CreateItemBasket<T>>::get((collection_id, &who));2403 let limit_time = last_tx_block + limit.into();2404 if block_number <= limit_time {2405 sponsored = false;2406 }2407 }2408 if sponsored {2409 <CreateItemBasket<T>>::insert((collection_id, who.clone()), block_number);2410 }24112412 // check free create limit2413 if (<Collection<T>>::get(collection_id).limits.sponsored_data_size >= (_properties.len() as u32)) &&2414 (<Collection<T>>::get(collection_id).sponsor_confirmed) &&2415 (sponsored)2416 {2417 <Collection<T>>::get(collection_id).sponsor2418 } else {2419 T::AccountId::default()2420 }2421 }2422 Some(Call::transfer(_new_owner, collection_id, item_id, _value)) => {2423 2424 let mut sponsor_transfer = false;2425 if <Collection<T>>::get(collection_id).sponsor_confirmed {24262427 let collection_limits = <Collection<T>>::get(collection_id).limits;2428 let collection_mode = <Collection<T>>::get(collection_id).mode;2429 2430 // sponsor timeout2431 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2432 sponsor_transfer = match collection_mode {2433 CollectionMode::NFT => {2434 2435 // get correct limit2436 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2437 collection_limits.sponsor_transfer_timeout2438 } else {2439 ChainLimit::get().nft_sponsor_transfer_timeout2440 };2441 2442 let mut sponsored = true;2443 if <NftTransferBasket<T>>::contains_key(collection_id, item_id) {2444 let last_tx_block = <NftTransferBasket<T>>::get(collection_id, item_id);2445 let limit_time = last_tx_block + limit.into();2446 if block_number <= limit_time {2447 sponsored = false;2448 }2449 }2450 if sponsored {2451 <NftTransferBasket<T>>::insert(collection_id, item_id, block_number);2452 }24532454 sponsored2455 }2456 CollectionMode::Fungible(_) => {2457 2458 // get correct limit2459 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2460 collection_limits.sponsor_transfer_timeout2461 } else {2462 ChainLimit::get().fungible_sponsor_transfer_timeout2463 };2464 2465 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2466 let mut sponsored = true;2467 if <FungibleTransferBasket<T>>::contains_key(collection_id, who) {2468 let last_tx_block = <FungibleTransferBasket<T>>::get(collection_id, who);2469 let limit_time = last_tx_block + limit.into();2470 if block_number <= limit_time {2471 sponsored = false;2472 }2473 }2474 if sponsored {2475 <FungibleTransferBasket<T>>::insert(collection_id, who, block_number);2476 }24772478 sponsored2479 }2480 CollectionMode::ReFungible => {2481 2482 // get correct limit2483 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2484 collection_limits.sponsor_transfer_timeout2485 } else {2486 ChainLimit::get().refungible_sponsor_transfer_timeout2487 };2488 2489 let mut sponsored = true;2490 if <ReFungibleTransferBasket<T>>::contains_key(collection_id, item_id) {2491 let last_tx_block = <ReFungibleTransferBasket<T>>::get(collection_id, item_id);2492 let limit_time = last_tx_block + limit.into();2493 if block_number <= limit_time {2494 sponsored = false;2495 }2496 }2497 if sponsored {2498 <ReFungibleTransferBasket<T>>::insert(collection_id, item_id, block_number);2499 }25002501 sponsored2502 }2503 _ => {2504 false2505 },2506 };2507 }25082509 if !sponsor_transfer {2510 T::AccountId::default()2511 } else {2512 <Collection<T>>::get(collection_id).sponsor2513 }2514 }25152516 _ => T::AccountId::default(),2517 };25182519 // Sponsor smart contracts2520 sponsor = match IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call) {25212522 // On instantiation: set the contract owner2523 Some(pallet_contracts::Call::instantiate(_endowment, _gas_limit, code_hash, _data, salt)) => {25242525 let new_contract_address = <pallet_contracts::Module<T>>::contract_address(2526 &who,2527 code_hash,2528 salt,2529 );2530 <ContractOwner<T>>::insert(new_contract_address.clone(), who.clone());25312532 T::AccountId::default()2533 },25342535 // When the contract is called, check if the sponsoring is enabled and pay fees from contract endowment if it is2536 Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) => {25372538 let called_contract: T::AccountId = T::Lookup::lookup((*dest).clone()).unwrap_or(T::AccountId::default());25392540 let owned_contract = <ContractOwner<T>>::contains_key(called_contract.clone())2541 && <ContractOwner<T>>::get(called_contract.clone()) == *who;2542 let white_list_enabled = <ContractWhiteListEnabled<T>>::contains_key(called_contract.clone()) && <ContractWhiteListEnabled<T>>::get(called_contract.clone());2543 2544 if !owned_contract && white_list_enabled {2545 if !<ContractWhiteList<T>>::contains_key(called_contract.clone(), who) {2546 return Err(InvalidTransaction::Call.into());2547 }2548 }25492550 let mut sponsor_transfer = false;2551 if <ContractSponsoringRateLimit<T>>::contains_key(called_contract.clone()) {2552 let last_tx_block = <ContractSponsorBasket<T>>::get((&called_contract, &who));2553 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2554 let rate_limit = <ContractSponsoringRateLimit<T>>::get(&called_contract);2555 let limit_time = last_tx_block + rate_limit;25562557 if block_number >= limit_time {2558 <ContractSponsorBasket<T>>::insert((called_contract.clone(), who.clone()), block_number);2559 sponsor_transfer = true;2560 }2561 } else {2562 sponsor_transfer = false;2563 }2564 2565 2566 let mut sp = T::AccountId::default();2567 if sponsor_transfer {2568 if <ContractSelfSponsoring<T>>::contains_key(called_contract.clone()) {2569 if <ContractSelfSponsoring<T>>::get(called_contract.clone()) {2570 sp = called_contract;2571 }2572 }2573 }25742575 sp2576 },25772578 _ => sponsor,2579 };25802581 let mut who_pays_fee: T::AccountId = sponsor.clone();2582 if sponsor == T::AccountId::default() {2583 who_pays_fee = who.clone();2584 }25852586 <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::withdraw_fee(&who_pays_fee, call, info, fee, tip)2587 .map(|i| (fee, i))2588 }2589}259025912592impl<T: Config + Send + Sync> SignedExtension2593 for ChargeTransactionPayment<T>2594where2595 BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,2596 T::Call: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo> + IsSubType<Call<T>> + IsSubType<pallet_contracts::Call<T>>,2597 T::AccountId: AsRef<[u8]>,2598 T::AccountId: UncheckedFrom<T::Hash>,2599{2600 const IDENTIFIER: &'static str = "ChargeTransactionPayment";2601 type AccountId = T::AccountId;2602 type Call = T::Call;2603 type AdditionalSigned = ();2604 type Pre = (2605 // tip2606 BalanceOf<T>,2607 // who pays fee2608 Self::AccountId,2609 // imbalance resulting from withdrawing the fee2610 <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,2611 );2612 fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {2613 Ok(())2614 }26152616 fn validate(2617 &self,2618 who: &Self::AccountId,2619 call: &Self::Call,2620 info: &DispatchInfoOf<Self::Call>,2621 len: usize,2622 ) -> TransactionValidity {2623 let (fee, _) = self.withdraw_fee(who, call, info, len)?;2624 Ok(ValidTransaction {2625 priority: Self::get_priority(len, info, fee),2626 ..Default::default()2627 })2628 }26292630 fn pre_dispatch(2631 self,2632 who: &Self::AccountId,2633 call: &Self::Call,2634 info: &DispatchInfoOf<Self::Call>,2635 len: usize,2636 ) -> Result<Self::Pre, TransactionValidityError> {2637 let (_fee, imbalance) = self.withdraw_fee(who, call, info, len)?;2638 Ok((self.0, who.clone(), imbalance))2639 }26402641 fn post_dispatch(2642 pre: Self::Pre,2643 info: &DispatchInfoOf<Self::Call>,2644 post_info: &PostDispatchInfoOf<Self::Call>,2645 len: usize,2646 _result: &DispatchResult,2647 ) -> Result<(), TransactionValidityError> {2648 let (tip, who, imbalance) = pre;2649 let actual_fee = transaction_payment::Module::<T>::compute_actual_fee(2650 len as u32,2651 info,2652 post_info,2653 tip,2654 );2655 <T as transaction_payment::Config>::OnChargeTransaction::correct_and_deposit_fee(&who, info, post_info, actual_fee, tip, imbalance)?;2656 Ok(())2657 }2658}26592660// #endregion1//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"]78#![cfg_attr(not(feature = "std"), no_std)]910#[cfg(feature = "std")]11pub use std::*;1213#[cfg(feature = "std")]14pub use serde::*;1516use codec::{Decode, Encode};17pub use frame_support::{18 construct_runtime, decl_event, decl_module, decl_storage, decl_error,19 dispatch::DispatchResult,20 ensure, fail, parameter_types,21 traits::{22 Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,23 Randomness, IsSubType,24 },25 weights::{26 constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},27 DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,28 WeightToFeePolynomial, DispatchClass,29 },30 StorageValue,31};3233use frame_system::{self as system, ensure_signed, ensure_root};34use sp_runtime::sp_std::prelude::Vec;35use sp_runtime::{36 traits::{37 DispatchInfoOf, Dispatchable, PostDispatchInfoOf, Saturating, SaturatedConversion, SignedExtension, Zero,38 },39 transaction_validity::{40 TransactionPriority, InvalidTransaction, TransactionValidity, TransactionValidityError, ValidTransaction,41 },42 FixedPointOperand, FixedU128,43};44use sp_runtime::traits::StaticLookup;45use pallet_contracts::chain_extension::UncheckedFrom;46use transaction_payment::OnChargeTransaction;4748#[cfg(test)]49mod mock;5051#[cfg(test)]52mod tests;5354mod default_weights;5556pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;57pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;58pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;59pub const MAX_TOKEN_OWNERSHIP: u32 = 10_000_000;6061// Structs62// #region6364pub type CollectionId = u32;65pub type TokenId = u32;66pub type DecimalPoints = u8;6768#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]69#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]70pub enum CollectionMode {71 Invalid,72 NFT,73 // decimal points74 Fungible(DecimalPoints),75 ReFungible,76}7778impl Default for CollectionMode {79 fn default() -> Self {80 Self::Invalid81 }82}8384impl Into<u8> for CollectionMode {85 fn into(self) -> u8 {86 match self {87 CollectionMode::Invalid => 0,88 CollectionMode::NFT => 1,89 CollectionMode::Fungible(_) => 2,90 CollectionMode::ReFungible => 3,91 }92 }93}9495#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]96#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]97pub enum AccessMode {98 Normal,99 WhiteList,100}101impl Default for AccessMode {102 fn default() -> Self {103 Self::Normal104 }105}106107#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]108#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]109pub enum SchemaVersion {110 ImageURL,111 Unique,112}113impl Default for SchemaVersion {114 fn default() -> Self {115 Self::ImageURL116 }117}118119#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]120#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]121pub struct Ownership<AccountId> {122 pub owner: AccountId,123 pub fraction: u128,124}125126#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]127#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]128pub struct CollectionType<AccountId> {129 pub owner: AccountId,130 pub mode: CollectionMode,131 pub access: AccessMode,132 pub decimal_points: DecimalPoints,133 pub name: Vec<u16>, // 64 include null escape char134 pub description: Vec<u16>, // 256 include null escape char135 pub token_prefix: Vec<u8>, // 16 include null escape char136 pub mint_mode: bool,137 pub offchain_schema: Vec<u8>,138 pub schema_version: SchemaVersion,139 pub sponsor: AccountId, // Who pays fees. If set to default address, the fees are applied to the transaction sender140 pub sponsor_confirmed: bool, // False if sponsor address has not yet confirmed sponsorship. True otherwise.141 pub limits: CollectionLimits, // Collection private restrictions 142 pub variable_on_chain_schema: Vec<u8>, //143 pub const_on_chain_schema: Vec<u8>, //144}145146#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]147#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]148pub struct NftItemType<AccountId> {149 pub owner: AccountId,150 pub const_data: Vec<u8>,151 pub variable_data: Vec<u8>,152}153154#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]155#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]156pub struct FungibleItemType {157 pub value: u128,158}159160#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]161#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]162pub struct ReFungibleItemType<AccountId> {163 pub owner: Vec<Ownership<AccountId>>,164 pub const_data: Vec<u8>,165 pub variable_data: Vec<u8>,166}167168// #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]169// #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]170// pub struct VestingItem<AccountId, Moment> {171// pub sender: AccountId,172// pub recipient: AccountId,173// pub collection_id: CollectionId,174// pub item_id: TokenId,175// pub amount: u64,176// pub vesting_date: Moment,177// }178179#[derive(Encode, Decode, Debug, Clone, PartialEq)]180#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]181pub struct CollectionLimits {182 pub account_token_ownership_limit: u32,183 pub sponsored_data_size: u32,184 pub token_limit: u32,185186 // Timeouts for item types in passed blocks187 pub sponsor_transfer_timeout: u32,188 pub owner_can_transfer: bool,189 pub owner_can_destroy: bool,190}191192impl Default for CollectionLimits {193 fn default() -> CollectionLimits {194 CollectionLimits { 195 account_token_ownership_limit: 10_000_000, 196 token_limit: u32::max_value(),197 sponsored_data_size: u32::max_value(), 198 sponsor_transfer_timeout: 14400,199 owner_can_transfer: true,200 owner_can_destroy: true201 }202 }203}204205#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]206#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]207pub struct ChainLimits {208 pub collection_numbers_limit: u32,209 pub account_token_ownership_limit: u32,210 pub collections_admins_limit: u64,211 pub custom_data_limit: u32,212213 // Timeouts for item types in passed blocks214 pub nft_sponsor_transfer_timeout: u32,215 pub fungible_sponsor_transfer_timeout: u32,216 pub refungible_sponsor_transfer_timeout: u32,217218 // Schema limits219 pub offchain_schema_limit: u32,220 pub variable_on_chain_schema_limit: u32,221 pub const_on_chain_schema_limit: u32,222}223224pub trait WeightInfo {225 fn create_collection() -> Weight;226 fn destroy_collection() -> Weight;227 fn add_to_white_list() -> Weight;228 fn remove_from_white_list() -> Weight;229 fn set_public_access_mode() -> Weight;230 fn set_mint_permission() -> Weight;231 fn change_collection_owner() -> Weight;232 fn add_collection_admin() -> Weight;233 fn remove_collection_admin() -> Weight;234 fn set_collection_sponsor() -> Weight;235 fn confirm_sponsorship() -> Weight;236 fn remove_collection_sponsor() -> Weight;237 fn create_item(s: usize) -> Weight;238 fn burn_item() -> Weight;239 fn transfer() -> Weight;240 fn approve() -> Weight;241 fn transfer_from() -> Weight;242 fn set_offchain_schema() -> Weight;243 fn set_const_on_chain_schema() -> Weight;244 fn set_variable_on_chain_schema() -> Weight;245 fn set_variable_meta_data() -> Weight;246 fn enable_contract_sponsoring() -> Weight;247 fn set_schema_version() -> Weight;248 fn set_chain_limits() -> Weight;249 fn set_contract_sponsoring_rate_limit() -> Weight;250 fn toggle_contract_white_list() -> Weight;251 fn add_to_contract_white_list() -> Weight;252 fn remove_from_contract_white_list() -> Weight;253 fn set_collection_limits() -> Weight;254}255256#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]257#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]258pub struct CreateNftData {259 pub const_data: Vec<u8>,260 pub variable_data: Vec<u8>,261}262263#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]264#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]265pub struct CreateFungibleData {266 pub value: u128,267}268269#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]270#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]271pub struct CreateReFungibleData {272 pub const_data: Vec<u8>,273 pub variable_data: Vec<u8>,274 pub pieces: u128,275}276277#[derive(Encode, Decode, Debug, Clone, PartialEq)]278#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]279pub enum CreateItemData {280 NFT(CreateNftData),281 Fungible(CreateFungibleData),282 ReFungible(CreateReFungibleData),283}284285impl CreateItemData {286 pub fn len(&self) -> usize {287 let len = match self {288 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),289 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),290 _ => 0291 };292 293 return len;294 }295}296297impl From<CreateNftData> for CreateItemData {298 fn from(item: CreateNftData) -> Self {299 CreateItemData::NFT(item)300 }301}302303impl From<CreateReFungibleData> for CreateItemData {304 fn from(item: CreateReFungibleData) -> Self {305 CreateItemData::ReFungible(item)306 }307}308309impl From<CreateFungibleData> for CreateItemData {310 fn from(item: CreateFungibleData) -> Self {311 CreateItemData::Fungible(item)312 }313}314315316decl_error! {317 /// Error for non-fungible-token module.318 pub enum Error for Module<T: Config> {319 /// Total collections bound exceeded.320 TotalCollectionsLimitExceeded,321 /// Decimal_points parameter must be lower than MAX_DECIMAL_POINTS constant, currently it is 30.322 CollectionDecimalPointLimitExceeded, 323 /// Collection name can not be longer than 63 char.324 CollectionNameLimitExceeded, 325 /// Collection description can not be longer than 255 char.326 CollectionDescriptionLimitExceeded, 327 /// Token prefix can not be longer than 15 char.328 CollectionTokenPrefixLimitExceeded,329 /// This collection does not exist.330 CollectionNotFound,331 /// Item not exists.332 TokenNotFound,333 /// Admin not found334 AdminNotFound,335 /// Arithmetic calculation overflow.336 NumOverflow, 337 /// Account already has admin role.338 AlreadyAdmin, 339 /// You do not own this collection.340 NoPermission,341 /// This address is not set as sponsor, use setCollectionSponsor first.342 ConfirmUnsetSponsorFail,343 /// Collection is not in mint mode.344 PublicMintingNotAllowed,345 /// Sender parameter and item owner must be equal.346 MustBeTokenOwner,347 /// Item balance not enough.348 TokenValueTooLow,349 /// Size of item is too large.350 NftSizeLimitExceeded,351 /// No approve found352 ApproveNotFound,353 /// Requested value more than approved.354 TokenValueNotEnough,355 /// Only approved addresses can call this method.356 ApproveRequired,357 /// Address is not in white list.358 AddresNotInWhiteList,359 /// Number of collection admins bound exceeded.360 CollectionAdminsLimitExceeded,361 /// Owned tokens by a single address bound exceeded.362 AddressOwnershipLimitExceeded,363 /// Length of items properties must be greater than 0.364 EmptyArgument,365 /// const_data exceeded data limit.366 TokenConstDataLimitExceeded,367 /// variable_data exceeded data limit.368 TokenVariableDataLimitExceeded,369 /// Not NFT item data used to mint in NFT collection.370 NotNftDataUsedToMintNftCollectionToken,371 /// Not Fungible item data used to mint in Fungible collection.372 NotFungibleDataUsedToMintFungibleCollectionToken,373 /// Not Re Fungible item data used to mint in Re Fungible collection.374 NotReFungibleDataUsedToMintReFungibleCollectionToken,375 /// Unexpected collection type.376 UnexpectedCollectionType,377 /// Can't store metadata in fungible tokens.378 CantStoreMetadataInFungibleTokens,379 /// Collection token limit exceeded380 CollectionTokenLimitExceeded,381 /// Account token limit exceeded per collection382 AccountTokenLimitExceeded,383 /// Collection limit bounds per collection exceeded384 CollectionLimitBoundsExceeded,385 /// Schema data size limit bound exceeded386 SchemaDataLimitExceeded,387 /// Maximum refungibility exceeded388 WrongRefungiblePieces389 }390}391392pub trait Config: system::Config + Sized + transaction_payment::Config + pallet_contracts::Config {393 type Event: From<Event<Self>> + Into<<Self as system::Config>::Event>;394395 /// Weight information for extrinsics in this pallet.396 type WeightInfo: WeightInfo;397}398399#[cfg(feature = "runtime-benchmarks")]400mod benchmarking;401402// #endregion403404decl_storage! {405 trait Store for Module<T: Config> as Nft {406407 // Private members408 NextCollectionID: CollectionId;409 CreatedCollectionCount: u32;410 ChainVersion: u64;411 ItemListIndex: map hasher(identity) CollectionId => TokenId;412413 // Chain limits struct414 pub ChainLimit get(fn chain_limit) config(): ChainLimits;415416 // Bound counters417 CollectionCount: u32;418 pub AccountItemCount get(fn account_item_count): map hasher(twox_64_concat) T::AccountId => u32;419420 // Basic collections421 pub Collection get(fn collection) config(): map hasher(identity) CollectionId => CollectionType<T::AccountId>;422 pub AdminList get(fn admin_list_collection): map hasher(identity) CollectionId => Vec<T::AccountId>;423 pub WhiteList get(fn white_list): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => bool;424425 /// Balance owner per collection map426 pub Balance get(fn balance_count): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => u128;427428 /// second parameter: item id + owner account id + spender account id429 pub Allowances get(fn approved): double_map hasher(identity) CollectionId, hasher(twox_64_concat) (TokenId, T::AccountId, T::AccountId) => u128;430431 /// Item collections432 pub NftItemList get(fn nft_item_id) config(): double_map hasher(identity) CollectionId, hasher(identity) TokenId => NftItemType<T::AccountId>;433 pub FungibleItemList get(fn fungible_item_id) config(): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => FungibleItemType;434 pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(identity) CollectionId, hasher(identity) TokenId => ReFungibleItemType<T::AccountId>;435436 /// Index list437 pub AddressTokens get(fn address_tokens): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => Vec<TokenId>;438439 /// Tokens transfer baskets440 pub CreateItemBasket get(fn create_item_basket): map hasher(twox_64_concat) (CollectionId, T::AccountId) => T::BlockNumber;441 pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(identity) CollectionId, hasher(identity) TokenId => T::BlockNumber;442 pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(identity) CollectionId, hasher(twox_64_concat) T::AccountId => T::BlockNumber;443 pub ReFungibleTransferBasket get(fn refungible_transfer_basket): double_map hasher(identity) CollectionId, hasher(identity) TokenId => T::BlockNumber;444445 // Contract Sponsorship and Ownership446 pub ContractOwner get(fn contract_owner): map hasher(twox_64_concat) T::AccountId => T::AccountId;447 pub ContractSelfSponsoring get(fn contract_self_sponsoring): map hasher(twox_64_concat) T::AccountId => bool;448 pub ContractSponsorBasket get(fn contract_sponsor_basket): map hasher(twox_64_concat) (T::AccountId, T::AccountId) => T::BlockNumber;449 pub ContractSponsoringRateLimit get(fn contract_sponsoring_rate_limit): map hasher(twox_64_concat) T::AccountId => T::BlockNumber;450 pub ContractWhiteListEnabled get(fn contract_white_list_enabled): map hasher(twox_64_concat) T::AccountId => bool; 451 pub ContractWhiteList get(fn contract_white_list): double_map hasher(twox_64_concat) T::AccountId, hasher(twox_64_concat) T::AccountId => bool; 452 }453 add_extra_genesis {454 build(|config: &GenesisConfig<T>| {455 // Modification of storage456 for (_num, _c) in &config.collection {457 <Module<T>>::init_collection(_c);458 }459460 for (_num, _c, _i) in &config.nft_item_id {461 <Module<T>>::init_nft_token(*_c, _i);462 }463464 for (collection_id, account_id, fungible_item) in &config.fungible_item_id {465 <Module<T>>::init_fungible_token(*collection_id, account_id, fungible_item);466 }467468 for (_num, _c, _i) in &config.refungible_item_id {469 <Module<T>>::init_refungible_token(*_c, _i);470 }471 })472 }473}474475decl_event!(476 pub enum Event<T>477 where478 AccountId = <T as system::Config>::AccountId,479 {480 /// New collection was created481 /// 482 /// # Arguments483 /// 484 /// * collection_id: Globally unique identifier of newly created collection.485 /// 486 /// * mode: [CollectionMode] converted into u8.487 /// 488 /// * account_id: Collection owner.489 Created(CollectionId, u8, AccountId),490491 /// New item was created.492 /// 493 /// # Arguments494 /// 495 /// * collection_id: Id of the collection where item was created.496 /// 497 /// * item_id: Id of an item. Unique within the collection.498 ItemCreated(CollectionId, TokenId),499500 /// Collection item was burned.501 /// 502 /// # Arguments503 /// 504 /// collection_id.505 /// 506 /// item_id: Identifier of burned NFT.507 ItemDestroyed(CollectionId, TokenId),508 }509);510511decl_module! {512 pub struct Module<T: Config> for enum Call 513 where 514 origin: T::Origin515 {516 fn deposit_event() = default;517 type Error = Error<T>;518519 fn on_initialize(now: T::BlockNumber) -> Weight {520521 if ChainVersion::get() < 2522 {523 let value = NextCollectionID::get();524 CreatedCollectionCount::put(value);525 ChainVersion::put(2);526 }527528 0529 }530531 /// 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.532 /// 533 /// # Permissions534 /// 535 /// * Anyone.536 /// 537 /// # Arguments538 /// 539 /// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.540 /// 541 /// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.542 /// 543 /// * token_prefix: UTF-8 string with token prefix.544 /// 545 /// * mode: [CollectionMode] collection type and type dependent data.546 // returns collection ID547 #[weight = <T as Config>::WeightInfo::create_collection()]548 pub fn create_collection(origin,549 collection_name: Vec<u16>,550 collection_description: Vec<u16>,551 token_prefix: Vec<u8>,552 mode: CollectionMode) -> DispatchResult {553554 // Anyone can create a collection555 let who = ensure_signed(origin)?;556557 let decimal_points = match mode {558 CollectionMode::Fungible(points) => points,559 _ => 0560 };561562 // bound Total number of collections563 ensure!(CollectionCount::get() < ChainLimit::get().collection_numbers_limit, Error::<T>::TotalCollectionsLimitExceeded);564565 // check params566 ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);567 ensure!(collection_name.len() <= 64, Error::<T>::CollectionNameLimitExceeded);568 ensure!(collection_description.len() <= 256, Error::<T>::CollectionDescriptionLimitExceeded);569 ensure!(token_prefix.len() <= 16, Error::<T>::CollectionTokenPrefixLimitExceeded);570571 // Generate next collection ID572 let next_id = CreatedCollectionCount::get()573 .checked_add(1)574 .ok_or(Error::<T>::NumOverflow)?;575576 // bound counter577 let total = CollectionCount::get()578 .checked_add(1)579 .ok_or(Error::<T>::NumOverflow)?;580581 CreatedCollectionCount::put(next_id);582 CollectionCount::put(total);583584 // Create new collection585 let new_collection = CollectionType {586 owner: who.clone(),587 name: collection_name,588 mode: mode.clone(),589 mint_mode: false,590 access: AccessMode::Normal,591 description: collection_description,592 decimal_points: decimal_points,593 token_prefix: token_prefix,594 offchain_schema: Vec::new(),595 schema_version: SchemaVersion::ImageURL,596 sponsor: T::AccountId::default(),597 sponsor_confirmed: false,598 variable_on_chain_schema: Vec::new(),599 const_on_chain_schema: Vec::new(),600 limits: CollectionLimits::default()601 };602603 // Add new collection to map604 <Collection<T>>::insert(next_id, new_collection);605606 // call event607 Self::deposit_event(RawEvent::Created(next_id, mode.into(), who.clone()));608609 Ok(())610 }611612 /// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.613 /// 614 /// # Permissions615 /// 616 /// * Collection Owner.617 /// 618 /// # Arguments619 /// 620 /// * collection_id: collection to destroy.621 #[weight = <T as Config>::WeightInfo::destroy_collection()]622 pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {623624 let sender = ensure_signed(origin)?;625 Self::check_owner_permissions(collection_id, sender)?;626627 <AddressTokens<T>>::remove_prefix(collection_id);628 <Allowances<T>>::remove_prefix(collection_id);629 <Balance<T>>::remove_prefix(collection_id);630 <ItemListIndex>::remove(collection_id);631 <AdminList<T>>::remove(collection_id);632 <Collection<T>>::remove(collection_id);633 <WhiteList<T>>::remove_prefix(collection_id);634635 <NftItemList<T>>::remove_prefix(collection_id);636 <FungibleItemList<T>>::remove_prefix(collection_id);637 <ReFungibleItemList<T>>::remove_prefix(collection_id);638639 <NftTransferBasket<T>>::remove_prefix(collection_id);640 <FungibleTransferBasket<T>>::remove_prefix(collection_id);641 <ReFungibleTransferBasket<T>>::remove_prefix(collection_id);642643 if CollectionCount::get() > 0644 {645 // bound couter646 let total = CollectionCount::get()647 .checked_sub(1)648 .ok_or(Error::<T>::NumOverflow)?;649650 CollectionCount::put(total);651 }652653 Ok(())654 }655656 /// Add an address to white list.657 /// 658 /// # Permissions659 /// 660 /// * Collection Owner661 /// * Collection Admin662 /// 663 /// # Arguments664 /// 665 /// * collection_id.666 /// 667 /// * address.668 #[weight = <T as Config>::WeightInfo::add_to_white_list()]669 pub fn add_to_white_list(origin, collection_id: CollectionId, address: T::AccountId) -> DispatchResult{670671 let sender = ensure_signed(origin)?;672 Self::check_owner_or_admin_permissions(collection_id, sender)?;673674 <WhiteList<T>>::insert(collection_id, address, true);675 676 Ok(())677 }678679 /// Remove an address from white list.680 /// 681 /// # Permissions682 /// 683 /// * Collection Owner684 /// * Collection Admin685 /// 686 /// # Arguments687 /// 688 /// * collection_id.689 /// 690 /// * address.691 #[weight = <T as Config>::WeightInfo::remove_from_white_list()]692 pub fn remove_from_white_list(origin, collection_id: CollectionId, address: T::AccountId) -> DispatchResult{693694 let sender = ensure_signed(origin)?;695 Self::check_owner_or_admin_permissions(collection_id, sender)?;696697 <WhiteList<T>>::remove(collection_id, address);698699 Ok(())700 }701702 /// Toggle between normal and white list access for the methods with access for `Anyone`.703 /// 704 /// # Permissions705 /// 706 /// * Collection Owner.707 /// 708 /// # Arguments709 /// 710 /// * collection_id.711 /// 712 /// * mode: [AccessMode]713 #[weight = <T as Config>::WeightInfo::set_public_access_mode()]714 pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult715 {716 let sender = ensure_signed(origin)?;717718 Self::check_owner_permissions(collection_id, sender)?;719 let mut target_collection = <Collection<T>>::get(collection_id);720 target_collection.access = mode;721 <Collection<T>>::insert(collection_id, target_collection);722723 Ok(())724 }725726 /// Allows Anyone to create tokens if:727 /// * White List is enabled, and728 /// * Address is added to white list, and729 /// * This method was called with True parameter730 /// 731 /// # Permissions732 /// * Collection Owner733 ///734 /// # Arguments735 /// 736 /// * collection_id.737 /// 738 /// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.739 #[weight = <T as Config>::WeightInfo::set_mint_permission()]740 pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult741 {742 let sender = ensure_signed(origin)?;743744 Self::check_owner_permissions(collection_id, sender)?;745 let mut target_collection = <Collection<T>>::get(collection_id);746 target_collection.mint_mode = mint_permission;747 <Collection<T>>::insert(collection_id, target_collection);748749 Ok(())750 }751752 /// Change the owner of the collection.753 /// 754 /// # Permissions755 /// 756 /// * Collection Owner.757 /// 758 /// # Arguments759 /// 760 /// * collection_id.761 /// 762 /// * new_owner.763 #[weight = <T as Config>::WeightInfo::change_collection_owner()]764 pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {765766 let sender = ensure_signed(origin)?;767 Self::check_owner_permissions(collection_id, sender)?;768 let mut target_collection = <Collection<T>>::get(collection_id);769 target_collection.owner = new_owner;770 <Collection<T>>::insert(collection_id, target_collection);771772 Ok(())773 }774775 /// Adds an admin of the Collection.776 /// 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. 777 /// 778 /// # Permissions779 /// 780 /// * Collection Owner.781 /// * Collection Admin.782 /// 783 /// # Arguments784 /// 785 /// * collection_id: ID of the Collection to add admin for.786 /// 787 /// * new_admin_id: Address of new admin to add.788 #[weight = <T as Config>::WeightInfo::add_collection_admin()]789 pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::AccountId) -> DispatchResult {790791 let sender = ensure_signed(origin)?;792 Self::check_owner_or_admin_permissions(collection_id, sender)?;793 let mut admin_arr: Vec<T::AccountId> = Vec::new();794795 if <AdminList<T>>::contains_key(collection_id)796 {797 admin_arr = <AdminList<T>>::get(collection_id);798 ensure!(!admin_arr.contains(&new_admin_id), Error::<T>::AlreadyAdmin);799 }800801 // Number of collection admins802 ensure!((admin_arr.len() as u64) < ChainLimit::get().collections_admins_limit, Error::<T>::CollectionAdminsLimitExceeded);803804 admin_arr.push(new_admin_id);805 <AdminList<T>>::insert(collection_id, admin_arr);806807 Ok(())808 }809810 /// 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.811 ///812 /// # Permissions813 /// 814 /// * Collection Owner.815 /// * Collection Admin.816 /// 817 /// # Arguments818 /// 819 /// * collection_id: ID of the Collection to remove admin for.820 /// 821 /// * account_id: Address of admin to remove.822 #[weight = <T as Config>::WeightInfo::remove_collection_admin()]823 pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::AccountId) -> DispatchResult {824825 let sender = ensure_signed(origin)?;826 Self::check_owner_or_admin_permissions(collection_id, sender)?;827 ensure!(<AdminList<T>>::contains_key(collection_id), Error::<T>::AdminNotFound);828829 let mut admin_arr = <AdminList<T>>::get(collection_id);830 admin_arr.retain(|i| *i != account_id);831 <AdminList<T>>::insert(collection_id, admin_arr);832833 Ok(())834 }835836 /// # Permissions837 /// 838 /// * Collection Owner839 /// 840 /// # Arguments841 /// 842 /// * collection_id.843 /// 844 /// * new_sponsor.845 #[weight = <T as Config>::WeightInfo::set_collection_sponsor()]846 pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {847848 let sender = ensure_signed(origin)?;849 ensure!(<Collection<T>>::contains_key(collection_id), Error::<T>::CollectionNotFound);850851 let mut target_collection = <Collection<T>>::get(collection_id);852 ensure!(sender == target_collection.owner, Error::<T>::NoPermission);853854 target_collection.sponsor = new_sponsor;855 target_collection.sponsor_confirmed = false;856 <Collection<T>>::insert(collection_id, target_collection);857858 Ok(())859 }860861 /// # Permissions862 /// 863 /// * Sponsor.864 /// 865 /// # Arguments866 /// 867 /// * collection_id.868 #[weight = <T as Config>::WeightInfo::confirm_sponsorship()]869 pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {870871 let sender = ensure_signed(origin)?;872 ensure!(<Collection<T>>::contains_key(collection_id), Error::<T>::CollectionNotFound);873874 let mut target_collection = <Collection<T>>::get(collection_id);875 ensure!(sender == target_collection.sponsor, Error::<T>::ConfirmUnsetSponsorFail);876877 target_collection.sponsor_confirmed = true;878 <Collection<T>>::insert(collection_id, target_collection);879880 Ok(())881 }882883 /// Switch back to pay-per-own-transaction model.884 ///885 /// # Permissions886 ///887 /// * Collection owner.888 /// 889 /// # Arguments890 /// 891 /// * collection_id.892 #[weight = <T as Config>::WeightInfo::remove_collection_sponsor()]893 pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {894895 let sender = ensure_signed(origin)?;896 ensure!(<Collection<T>>::contains_key(collection_id), Error::<T>::CollectionNotFound);897898 let mut target_collection = <Collection<T>>::get(collection_id);899 ensure!(sender == target_collection.owner, Error::<T>::NoPermission);900901 target_collection.sponsor = T::AccountId::default();902 target_collection.sponsor_confirmed = false;903 <Collection<T>>::insert(collection_id, target_collection);904905 Ok(())906 }907908 /// This method creates a concrete instance of NFT Collection created with CreateCollection method.909 /// 910 /// # Permissions911 /// 912 /// * Collection Owner.913 /// * Collection Admin.914 /// * Anyone if915 /// * White List is enabled, and916 /// * Address is added to white list, and917 /// * MintPermission is enabled (see SetMintPermission method)918 /// 919 /// # Arguments920 /// 921 /// * collection_id: ID of the collection.922 /// 923 /// * owner: Address, initial owner of the NFT.924 ///925 /// * data: Token data to store on chain.926 // #[weight =927 // (130_000_000 as Weight)928 // .saturating_add((2135 as Weight).saturating_mul((properties.len() as u64) as Weight))929 // .saturating_add(RocksDbWeight::get().reads(10 as Weight))930 // .saturating_add(RocksDbWeight::get().writes(8 as Weight))]931932 #[weight = <T as Config>::WeightInfo::create_item(data.len())]933 pub fn create_item(origin, collection_id: CollectionId, owner: T::AccountId, data: CreateItemData) -> DispatchResult {934935 let sender = ensure_signed(origin)?;936937 Self::collection_exists(collection_id)?;938939 let target_collection = <Collection<T>>::get(collection_id);940941 Self::can_create_items_in_collection(collection_id, &target_collection, &sender, &owner)?;942 Self::validate_create_item_args(&target_collection, &data)?;943 Self::create_item_no_validation(collection_id, owner, data)?;944945 Ok(())946 }947948 /// This method creates multiple instances of NFT Collection created with CreateCollection method.949 /// 950 /// # Permissions951 /// 952 /// * Collection Owner.953 /// * Collection Admin.954 /// * Anyone if955 /// * White List is enabled, and956 /// * Address is added to white list, and957 /// * MintPermission is enabled (see SetMintPermission method)958 /// 959 /// # Arguments960 /// 961 /// * collection_id: ID of the collection.962 /// 963 /// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].964 /// 965 /// * owner: Address, initial owner of the NFT.966 #[weight = <T as Config>::WeightInfo::create_item(items_data.into_iter()967 .map(|data| { data.len() })968 .sum())]969 pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::AccountId, items_data: Vec<CreateItemData>) -> DispatchResult {970971 ensure!(items_data.len() > 0, Error::<T>::EmptyArgument);972 let sender = ensure_signed(origin)?;973974 Self::collection_exists(collection_id)?;975 let target_collection = <Collection<T>>::get(collection_id);976977 Self::can_create_items_in_collection(collection_id, &target_collection, &sender, &owner)?;978979 for data in &items_data {980 Self::validate_create_item_args(&target_collection, data)?;981 }982 for data in &items_data {983 Self::create_item_no_validation(collection_id, owner.clone(), data.clone())?;984 }985986 Ok(())987 }988989 /// Destroys a concrete instance of NFT.990 /// 991 /// # Permissions992 /// 993 /// * Collection Owner.994 /// * Collection Admin.995 /// * Current NFT Owner.996 /// 997 /// # Arguments998 /// 999 /// * collection_id: ID of the collection.1000 /// 1001 /// * item_id: ID of NFT to burn.1002 #[weight = <T as Config>::WeightInfo::burn_item()]1003 pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {10041005 let sender = ensure_signed(origin)?;1006 Self::collection_exists(collection_id)?;10071008 // Transfer permissions check1009 let target_collection = <Collection<T>>::get(collection_id);1010 ensure!(Self::is_item_owner(sender.clone(), collection_id, item_id) ||1011 Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1012 Error::<T>::NoPermission);10131014 if target_collection.access == AccessMode::WhiteList {1015 Self::check_white_list(collection_id, &sender)?;1016 }10171018 match target_collection.mode1019 {1020 CollectionMode::NFT => Self::burn_nft_item(collection_id, item_id)?,1021 CollectionMode::Fungible(_) => Self::burn_fungible_item(&sender, collection_id, value)?,1022 CollectionMode::ReFungible => Self::burn_refungible_item(collection_id, item_id, &sender)?,1023 _ => ()1024 };10251026 // call event1027 Self::deposit_event(RawEvent::ItemDestroyed(collection_id, item_id));10281029 Ok(())1030 }10311032 /// Change ownership of the token.1033 /// 1034 /// # Permissions1035 /// 1036 /// * Collection Owner1037 /// * Collection Admin1038 /// * Current NFT owner1039 ///1040 /// # Arguments1041 /// 1042 /// * recipient: Address of token recipient.1043 /// 1044 /// * collection_id.1045 /// 1046 /// * item_id: ID of the item1047 /// * Non-Fungible Mode: Required.1048 /// * Fungible Mode: Ignored.1049 /// * Re-Fungible Mode: Required.1050 /// 1051 /// * value: Amount to transfer.1052 /// * Non-Fungible Mode: Ignored1053 /// * Fungible Mode: Must specify transferred amount1054 /// * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)1055 #[weight = <T as Config>::WeightInfo::transfer()]1056 pub fn transfer(origin, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {1057 let sender = ensure_signed(origin)?;1058 Self::transfer_internal(sender, recipient, collection_id, item_id, value)1059 }10601061 /// Set, change, or remove approved address to transfer the ownership of the NFT.1062 /// 1063 /// # Permissions1064 /// 1065 /// * Collection Owner1066 /// * Collection Admin1067 /// * Current NFT owner1068 /// 1069 /// # Arguments1070 /// 1071 /// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).1072 /// 1073 /// * collection_id.1074 /// 1075 /// * item_id: ID of the item.1076 #[weight = <T as Config>::WeightInfo::approve()]1077 pub fn approve(origin, spender: T::AccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResult {10781079 let sender = ensure_signed(origin)?;10801081 Self::collection_exists(collection_id)?;1082 Self::token_exists(collection_id, item_id, &sender)?;10831084 // Transfer permissions check1085 let target_collection = <Collection<T>>::get(collection_id);1086 let allowance_limit = if Self::is_owner_or_admin_permissions(1087 collection_id,1088 sender.clone(),1089 ) {1090 None1091 } else if let Some(amount) = Self::owned_amount(1092 sender.clone(),1093 collection_id,1094 item_id,1095 ) {1096 Some(amount)1097 } else {1098 fail!(Error::<T>::NoPermission);1099 };11001101 if target_collection.access == AccessMode::WhiteList {1102 Self::check_white_list(collection_id, &sender)?;1103 Self::check_white_list(collection_id, &spender)?;1104 }11051106 let allowance_exists = <Allowances<T>>::contains_key(collection_id, (item_id, &sender, &spender));1107 let mut allowance: u128 = amount;1108 if allowance_exists {1109 allowance += <Allowances<T>>::get(collection_id, (item_id, &sender, &spender));1110 }1111 if let Some(limit) = allowance_limit {1112 ensure!(limit >= allowance, Error::<T>::TokenValueTooLow);1113 }1114 <Allowances<T>>::insert(collection_id, (item_id, sender.clone(), spender.clone()), allowance);11151116 Ok(())1117 }1118 1119 /// 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.1120 /// 1121 /// # Permissions1122 /// * Collection Owner1123 /// * Collection Admin1124 /// * Current NFT owner1125 /// * Address approved by current NFT owner1126 /// 1127 /// # Arguments1128 /// 1129 /// * from: Address that owns token.1130 /// 1131 /// * recipient: Address of token recipient.1132 /// 1133 /// * collection_id.1134 /// 1135 /// * item_id: ID of the item.1136 /// 1137 /// * value: Amount to transfer.1138 #[weight = <T as Config>::WeightInfo::transfer_from()]1139 pub fn transfer_from(origin, from: T::AccountId, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResult {11401141 let sender = ensure_signed(origin)?;1142 let mut appoved_transfer = false;11431144 // Check approval1145 let mut approval: u128 = 0;1146 if <Allowances<T>>::contains_key(collection_id, (item_id, &from, &sender)) {1147 approval = <Allowances<T>>::get(collection_id, (item_id, &from, &sender));1148 ensure!(approval >= value, Error::<T>::TokenValueNotEnough);1149 appoved_transfer = true;1150 }11511152 let target_collection = <Collection<T>>::get(collection_id);11531154 // Limits check1155 Self::is_correct_transfer(collection_id, &target_collection, &recipient)?;11561157 // Transfer permissions check 1158 ensure!(appoved_transfer || Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1159 Error::<T>::NoPermission);11601161 if target_collection.access == AccessMode::WhiteList {1162 Self::check_white_list(collection_id, &sender)?;1163 Self::check_white_list(collection_id, &recipient)?;1164 }11651166 // Reduce approval by transferred amount or remove if remaining approval drops to 01167 if approval.checked_sub(value).unwrap_or(0) > 0 {1168 <Allowances<T>>::insert(collection_id, (item_id, &from, &sender), approval - value);1169 }1170 else {1171 <Allowances<T>>::remove(collection_id, (item_id, &from, &sender));1172 }11731174 match target_collection.mode1175 {1176 CollectionMode::NFT => Self::transfer_nft(collection_id, item_id, from, recipient)?,1177 CollectionMode::Fungible(_) => Self::transfer_fungible(collection_id, value, &from, &recipient)?,1178 CollectionMode::ReFungible => Self::transfer_refungible(collection_id, item_id, value, from.clone(), recipient)?,1179 _ => ()1180 };11811182 Ok(())1183 }11841185 // #[weight = 0]1186 // pub fn safe_transfer_from(origin, collection_id: CollectionId, item_id: TokenId, new_owner: T::AccountId) -> DispatchResult {11871188 // // let no_perm_mes = "You do not have permissions to modify this collection";1189 // // ensure!(<ApprovedList<T>>::contains_key((collection_id, item_id)), no_perm_mes);1190 // // let list_itm = <ApprovedList<T>>::get((collection_id, item_id));1191 // // ensure!(list_itm.contains(&new_owner.clone()), no_perm_mes);11921193 // // // on_nft_received call11941195 // // Self::transfer(origin, collection_id, item_id, new_owner)?;11961197 // Ok(())1198 // }11991200 /// Set off-chain data schema.1201 /// 1202 /// # Permissions1203 /// 1204 /// * Collection Owner1205 /// * Collection Admin1206 /// 1207 /// # Arguments1208 /// 1209 /// * collection_id.1210 /// 1211 /// * schema: String representing the offchain data schema.1212 #[weight = <T as Config>::WeightInfo::set_variable_meta_data()]1213 pub fn set_variable_meta_data (1214 origin,1215 collection_id: CollectionId,1216 item_id: TokenId,1217 data: Vec<u8>1218 ) -> DispatchResult {1219 let sender = ensure_signed(origin)?;1220 1221 Self::collection_exists(collection_id)?;1222 Self::token_exists(collection_id, item_id, &sender)?;12231224 ensure!(ChainLimit::get().custom_data_limit >= data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);12251226 // Modify permissions check1227 let target_collection = <Collection<T>>::get(collection_id);1228 ensure!(Self::is_item_owner(sender.clone(), collection_id, item_id) ||1229 Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1230 Error::<T>::NoPermission);12311232 match target_collection.mode1233 {1234 CollectionMode::NFT => Self::set_nft_variable_data(collection_id, item_id, data)?,1235 CollectionMode::ReFungible => Self::set_re_fungible_variable_data(collection_id, item_id, data)?,1236 CollectionMode::Fungible(_) => fail!(Error::<T>::CantStoreMetadataInFungibleTokens),1237 _ => fail!(Error::<T>::UnexpectedCollectionType)1238 };12391240 Ok(())1241 }1242 1243 /// Set schema standard1244 /// ImageURL1245 /// Unique1246 /// 1247 /// # Permissions1248 /// 1249 /// * Collection Owner1250 /// * Collection Admin1251 /// 1252 /// # Arguments1253 /// 1254 /// * collection_id.1255 /// 1256 /// * schema: SchemaVersion: enum1257 #[weight = <T as Config>::WeightInfo::set_schema_version()]1258 pub fn set_schema_version(1259 origin,1260 collection_id: CollectionId,1261 version: SchemaVersion1262 ) -> DispatchResult {1263 let sender = ensure_signed(origin)?;1264 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;1265 let mut target_collection = <Collection<T>>::get(collection_id);1266 target_collection.schema_version = version;1267 <Collection<T>>::insert(collection_id, target_collection);12681269 Ok(())1270 }12711272 /// Set off-chain data schema.1273 /// 1274 /// # Permissions1275 /// 1276 /// * Collection Owner1277 /// * Collection Admin1278 /// 1279 /// # Arguments1280 /// 1281 /// * collection_id.1282 /// 1283 /// * schema: String representing the offchain data schema.1284 #[weight = <T as Config>::WeightInfo::set_offchain_schema()]1285 pub fn set_offchain_schema(1286 origin,1287 collection_id: CollectionId,1288 schema: Vec<u8>1289 ) -> DispatchResult {1290 let sender = ensure_signed(origin)?;1291 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;12921293 // check schema limit1294 ensure!(schema.len() as u32 <= ChainLimit::get().offchain_schema_limit, "");12951296 let mut target_collection = <Collection<T>>::get(collection_id);1297 target_collection.offchain_schema = schema;1298 <Collection<T>>::insert(collection_id, target_collection);12991300 Ok(())1301 }13021303 /// Set const on-chain data schema.1304 /// 1305 /// # Permissions1306 /// 1307 /// * Collection Owner1308 /// * Collection Admin1309 /// 1310 /// # Arguments1311 /// 1312 /// * collection_id.1313 /// 1314 /// * schema: String representing the const on-chain data schema.1315 #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]1316 pub fn set_const_on_chain_schema (1317 origin,1318 collection_id: CollectionId,1319 schema: Vec<u8>1320 ) -> DispatchResult {1321 let sender = ensure_signed(origin)?;1322 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;13231324 // check schema limit1325 ensure!(schema.len() as u32 <= ChainLimit::get().const_on_chain_schema_limit, "");13261327 let mut target_collection = <Collection<T>>::get(collection_id);1328 target_collection.const_on_chain_schema = schema;1329 <Collection<T>>::insert(collection_id, target_collection);13301331 Ok(())1332 }13331334 /// Set variable on-chain data schema.1335 /// 1336 /// # Permissions1337 /// 1338 /// * Collection Owner1339 /// * Collection Admin1340 /// 1341 /// # Arguments1342 /// 1343 /// * collection_id.1344 /// 1345 /// * schema: String representing the variable on-chain data schema.1346 #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]1347 pub fn set_variable_on_chain_schema (1348 origin,1349 collection_id: CollectionId,1350 schema: Vec<u8>1351 ) -> DispatchResult {1352 let sender = ensure_signed(origin)?;1353 Self::check_owner_or_admin_permissions(collection_id, sender.clone())?;13541355 // check schema limit1356 ensure!(schema.len() as u32 <= ChainLimit::get().variable_on_chain_schema_limit, "");13571358 let mut target_collection = <Collection<T>>::get(collection_id);1359 target_collection.variable_on_chain_schema = schema;1360 <Collection<T>>::insert(collection_id, target_collection);13611362 Ok(())1363 }13641365 // Sudo permissions function1366 #[weight = <T as Config>::WeightInfo::set_chain_limits()]1367 pub fn set_chain_limits(1368 origin,1369 limits: ChainLimits1370 ) -> DispatchResult {13711372 #[cfg(not(feature = "runtime-benchmarks"))]1373 ensure_root(origin)?;13741375 <ChainLimit>::put(limits);1376 Ok(())1377 }13781379 /// Enable smart contract self-sponsoring.1380 /// 1381 /// # Permissions1382 /// 1383 /// * Contract Owner1384 /// 1385 /// # Arguments1386 /// 1387 /// * contract address1388 /// * enable flag1389 /// 1390 #[weight = <T as Config>::WeightInfo::enable_contract_sponsoring()]1391 pub fn enable_contract_sponsoring(1392 origin,1393 contract_address: T::AccountId,1394 enable: bool1395 ) -> DispatchResult {13961397 let sender = ensure_signed(origin)?;13981399 #[cfg(feature = "runtime-benchmarks")]1400 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());14011402 Self::ensure_contract_owned(sender, &contract_address)?;14031404 <ContractSelfSponsoring<T>>::insert(contract_address, enable);1405 Ok(())1406 }14071408 /// Set the rate limit for contract sponsoring to specified number of blocks.1409 /// 1410 /// If not set (has the default value of 0 blocks), the sponsoring will be disabled. 1411 /// If set to the number B (for blocks), the transactions will be sponsored with a rate 1412 /// limit of B, i.e. fees for every transaction sent to this smart contract will be paid 1413 /// from contract endowment if there are at least B blocks between such transactions. 1414 /// Nonetheless, if transactions are sent more frequently, the fees are paid by the sender.1415 /// 1416 /// # Permissions1417 /// 1418 /// * Contract Owner1419 /// 1420 /// # Arguments1421 /// 1422 /// -`contract_address`: Address of the contract to sponsor1423 /// -`rate_limit`: Number of blocks to wait until the next sponsored transaction is allowed1424 /// 1425 #[weight = <T as Config>::WeightInfo::set_contract_sponsoring_rate_limit()]1426 pub fn set_contract_sponsoring_rate_limit(1427 origin,1428 contract_address: T::AccountId,1429 rate_limit: T::BlockNumber1430 ) -> DispatchResult {1431 let sender = ensure_signed(origin)?;14321433 #[cfg(feature = "runtime-benchmarks")]1434 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());14351436 Self::ensure_contract_owned(sender, &contract_address)?;1437 <ContractSponsoringRateLimit<T>>::insert(contract_address, rate_limit);1438 Ok(())1439 }14401441 /// Enable the white list for a contract. Only addresses added to the white list with addToContractWhiteList will be able to call this smart contract.1442 /// 1443 /// # Permissions1444 /// 1445 /// * Address that deployed smart contract.1446 /// 1447 /// # Arguments1448 /// 1449 /// -`contract_address`: Address of the contract.1450 /// 1451 /// - `enable`: . 1452 #[weight = <T as Config>::WeightInfo::toggle_contract_white_list()]1453 pub fn toggle_contract_white_list(1454 origin,1455 contract_address: T::AccountId,1456 enable: bool1457 ) -> DispatchResult {1458 let sender = ensure_signed(origin)?;14591460 #[cfg(feature = "runtime-benchmarks")]1461 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());14621463 Self::ensure_contract_owned(sender, &contract_address)?;1464 <ContractWhiteListEnabled<T>>::insert(contract_address, enable);1465 Ok(())1466 }1467 1468 /// Add an address to smart contract white list.1469 /// 1470 /// # Permissions1471 /// 1472 /// * Address that deployed smart contract.1473 /// 1474 /// # Arguments1475 /// 1476 /// -`contract_address`: Address of the contract.1477 ///1478 /// -`account_address`: Address to add.1479 #[weight = <T as Config>::WeightInfo::add_to_contract_white_list()]1480 pub fn add_to_contract_white_list(1481 origin,1482 contract_address: T::AccountId,1483 account_address: T::AccountId1484 ) -> DispatchResult {1485 let sender = ensure_signed(origin)?;14861487 #[cfg(feature = "runtime-benchmarks")]1488 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());1489 1490 Self::ensure_contract_owned(sender, &contract_address)?; 1491 <ContractWhiteList<T>>::insert(contract_address, account_address, true);1492 Ok(())1493 }14941495 /// Remove an address from smart contract white list.1496 /// 1497 /// # Permissions1498 /// 1499 /// * Address that deployed smart contract.1500 /// 1501 /// # Arguments1502 /// 1503 /// -`contract_address`: Address of the contract.1504 ///1505 /// -`account_address`: Address to remove.1506 #[weight = <T as Config>::WeightInfo::remove_from_contract_white_list()]1507 pub fn remove_from_contract_white_list(1508 origin,1509 contract_address: T::AccountId,1510 account_address: T::AccountId1511 ) -> DispatchResult {1512 let sender = ensure_signed(origin)?;15131514 #[cfg(feature = "runtime-benchmarks")]1515 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());15161517 Self::ensure_contract_owned(sender, &contract_address)?;1518 <ContractWhiteList<T>>::remove(contract_address, account_address);1519 Ok(())1520 }15211522 #[weight = <T as Config>::WeightInfo::set_collection_limits()]1523 pub fn set_collection_limits(1524 origin,1525 collection_id: u32,1526 limits: CollectionLimits,1527 ) -> DispatchResult {1528 let sender = ensure_signed(origin)?;1529 Self::check_owner_permissions(collection_id, sender.clone())?;1530 let mut target_collection = <Collection<T>>::get(collection_id);1531 let chain_limits = ChainLimit::get();1532 let climits = target_collection.limits;15331534 // collection bounds1535 ensure!(limits.sponsor_transfer_timeout <= MAX_SPONSOR_TIMEOUT &&1536 limits.account_token_ownership_limit <= MAX_TOKEN_OWNERSHIP, 1537 Error::<T>::CollectionLimitBoundsExceeded);15381539 // token_limit check prev1540 ensure!(climits.token_limit > limits.token_limit && 1541 limits.token_limit <= chain_limits.account_token_ownership_limit, 1542 Error::<T>::AccountTokenLimitExceeded);15431544 target_collection.limits = limits;1545 <Collection<T>>::insert(collection_id, target_collection);15461547 Ok(())1548 } 1549 }1550}15511552impl<T: Config> Module<T> {15531554 pub fn transfer_internal(sender: T::AccountId, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {15551556 let target_collection = <Collection<T>>::get(collection_id);15571558 // Limits check1559 Self::is_correct_transfer(collection_id, &target_collection, &recipient)?;15601561 // Transfer permissions check1562 ensure!(Self::is_item_owner(sender.clone(), collection_id, item_id) ||1563 Self::is_owner_or_admin_permissions(collection_id, sender.clone()),1564 Error::<T>::NoPermission);15651566 if target_collection.access == AccessMode::WhiteList {1567 Self::check_white_list(collection_id, &sender)?;1568 Self::check_white_list(collection_id, &recipient)?;1569 }15701571 match target_collection.mode1572 {1573 CollectionMode::NFT => Self::transfer_nft(collection_id, item_id, sender.clone(), recipient)?,1574 CollectionMode::Fungible(_) => Self::transfer_fungible(collection_id, value, &sender, &recipient)?,1575 CollectionMode::ReFungible => Self::transfer_refungible(collection_id, item_id, value, sender.clone(), recipient)?,1576 _ => ()1577 };15781579 Ok(())1580 }158115821583 fn is_correct_transfer(collection_id: CollectionId, collection: &CollectionType<T::AccountId>, recipient: &T::AccountId) -> DispatchResult {15841585 // check token limit and account token limit1586 let account_items: u32 = <AddressTokens<T>>::get(collection_id, recipient).len() as u32;1587 ensure!(collection.limits.account_token_ownership_limit > account_items, Error::<T>::AccountTokenLimitExceeded);1588 1589 Ok(())1590 }15911592 fn can_create_items_in_collection(collection_id: CollectionId, collection: &CollectionType<T::AccountId>, sender: &T::AccountId, owner: &T::AccountId) -> DispatchResult {15931594 // check token limit and account token limit1595 let total_items: u32 = ItemListIndex::get(collection_id);1596 let account_items: u32 = <AddressTokens<T>>::get(collection_id, owner).len() as u32;1597 ensure!(collection.limits.token_limit > total_items, Error::<T>::CollectionTokenLimitExceeded);1598 ensure!(collection.limits.account_token_ownership_limit > account_items, Error::<T>::AccountTokenLimitExceeded);15991600 if !Self::is_owner_or_admin_permissions(collection_id, sender.clone()) {1601 ensure!(collection.mint_mode == true, Error::<T>::PublicMintingNotAllowed);1602 Self::check_white_list(collection_id, owner)?;1603 Self::check_white_list(collection_id, sender)?;1604 }16051606 Ok(())1607 }16081609 fn validate_create_item_args(target_collection: &CollectionType<T::AccountId>, data: &CreateItemData) -> DispatchResult {1610 match target_collection.mode1611 {1612 CollectionMode::NFT => {1613 if let CreateItemData::NFT(data) = data {1614 // check sizes1615 ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);1616 ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);1617 } else {1618 fail!(Error::<T>::NotNftDataUsedToMintNftCollectionToken);1619 }1620 },1621 CollectionMode::Fungible(_) => {1622 if let CreateItemData::Fungible(_) = data {1623 } else {1624 fail!(Error::<T>::NotFungibleDataUsedToMintFungibleCollectionToken);1625 }1626 },1627 CollectionMode::ReFungible => {1628 if let CreateItemData::ReFungible(data) = data {16291630 // check sizes1631 ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);1632 ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);16331634 // Check refungibility limits1635 ensure!(data.pieces <= MAX_REFUNGIBLE_PIECES, Error::<T>::WrongRefungiblePieces);1636 ensure!(data.pieces > 0, Error::<T>::WrongRefungiblePieces);1637 } else {1638 fail!(Error::<T>::NotReFungibleDataUsedToMintReFungibleCollectionToken);1639 }1640 },1641 _ => { fail!(Error::<T>::UnexpectedCollectionType); }1642 };16431644 Ok(())1645 }16461647 fn create_item_no_validation(collection_id: CollectionId, owner: T::AccountId, data: CreateItemData) -> DispatchResult {1648 match data1649 {1650 CreateItemData::NFT(data) => {1651 let item = NftItemType {1652 owner,1653 const_data: data.const_data,1654 variable_data: data.variable_data1655 };16561657 Self::add_nft_item(collection_id, item)?;1658 },1659 CreateItemData::Fungible(data) => {1660 Self::add_fungible_item(collection_id, &owner, data.value)?;1661 },1662 CreateItemData::ReFungible(data) => {1663 let mut owner_list = Vec::new();1664 owner_list.push(Ownership {owner: owner.clone(), fraction: data.pieces});16651666 let item = ReFungibleItemType {1667 owner: owner_list,1668 const_data: data.const_data,1669 variable_data: data.variable_data1670 };16711672 Self::add_refungible_item(collection_id, item)?;1673 }1674 };16751676 // call event1677 Self::deposit_event(RawEvent::ItemCreated(collection_id, <ItemListIndex>::get(collection_id)));16781679 Ok(())1680 }16811682 fn add_fungible_item(collection_id: CollectionId, owner: &T::AccountId, value: u128) -> DispatchResult {16831684 // Does new owner already have an account?1685 let mut balance: u128 = 0;1686 if <FungibleItemList<T>>::contains_key(collection_id, owner) {1687 balance = <FungibleItemList<T>>::get(collection_id, owner).value;1688 } 16891690 // Mint 1691 let item = FungibleItemType {1692 value: balance + value1693 };1694 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), item);16951696 // Update balance1697 let new_balance = <Balance<T>>::get(collection_id, owner)1698 .checked_add(value)1699 .ok_or(Error::<T>::NumOverflow)?;1700 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);17011702 Ok(())1703 }17041705 fn add_refungible_item(collection_id: CollectionId, item: ReFungibleItemType<T::AccountId>) -> DispatchResult {1706 let current_index = <ItemListIndex>::get(collection_id)1707 .checked_add(1)1708 .ok_or(Error::<T>::NumOverflow)?;1709 let itemcopy = item.clone();17101711 let value = item.owner.first().unwrap().fraction;1712 let owner = item.owner.first().unwrap().owner.clone();17131714 Self::add_token_index(collection_id, current_index, &owner)?;17151716 <ItemListIndex>::insert(collection_id, current_index);1717 <ReFungibleItemList<T>>::insert(collection_id, current_index, itemcopy);17181719 // Update balance1720 let new_balance = <Balance<T>>::get(collection_id, &owner)1721 .checked_add(value)1722 .ok_or(Error::<T>::NumOverflow)?;1723 <Balance<T>>::insert(collection_id, owner.clone(), new_balance);17241725 Ok(())1726 }17271728 fn add_nft_item(collection_id: CollectionId, item: NftItemType<T::AccountId>) -> DispatchResult {1729 let current_index = <ItemListIndex>::get(collection_id)1730 .checked_add(1)1731 .ok_or(Error::<T>::NumOverflow)?;17321733 let item_owner = item.owner.clone();1734 Self::add_token_index(collection_id, current_index, &item.owner)?;17351736 <ItemListIndex>::insert(collection_id, current_index);1737 <NftItemList<T>>::insert(collection_id, current_index, item);17381739 // Update balance1740 let new_balance = <Balance<T>>::get(collection_id, item_owner.clone())1741 .checked_add(1)1742 .ok_or(Error::<T>::NumOverflow)?;1743 <Balance<T>>::insert(collection_id, item_owner.clone(), new_balance);17441745 Ok(())1746 }17471748 fn burn_refungible_item(1749 collection_id: CollectionId,1750 item_id: TokenId,1751 owner: &T::AccountId,1752 ) -> DispatchResult {1753 ensure!(1754 <ReFungibleItemList<T>>::contains_key(collection_id, item_id),1755 Error::<T>::TokenNotFound1756 );1757 let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id);1758 let rft_balance = token1759 .owner1760 .iter()1761 .filter(|&i| i.owner == *owner)1762 .next()1763 .unwrap();1764 Self::remove_token_index(collection_id, item_id, owner)?;17651766 // update balance1767 let new_balance = <Balance<T>>::get(collection_id, rft_balance.owner.clone())1768 .checked_sub(rft_balance.fraction)1769 .ok_or(Error::<T>::NumOverflow)?;1770 <Balance<T>>::insert(collection_id, rft_balance.owner.clone(), new_balance);17711772 // Re-create owners list with sender removed1773 let index = token1774 .owner1775 .iter()1776 .position(|i| i.owner == *owner)1777 .unwrap();1778 token.owner.remove(index);1779 let owner_count = token.owner.len();17801781 // Burn the token completely if this was the last (only) owner1782 if owner_count == 0 {1783 <ReFungibleItemList<T>>::remove(collection_id, item_id);1784 }1785 else {1786 <ReFungibleItemList<T>>::insert(collection_id, item_id, token);1787 }17881789 Ok(())1790 }17911792 fn burn_nft_item(collection_id: CollectionId, item_id: TokenId) -> DispatchResult {1793 ensure!(1794 <NftItemList<T>>::contains_key(collection_id, item_id),1795 Error::<T>::TokenNotFound1796 );1797 let item = <NftItemList<T>>::get(collection_id, item_id);1798 Self::remove_token_index(collection_id, item_id, &item.owner)?;17991800 // update balance1801 let new_balance = <Balance<T>>::get(collection_id, &item.owner)1802 .checked_sub(1)1803 .ok_or(Error::<T>::NumOverflow)?;1804 <Balance<T>>::insert(collection_id, item.owner.clone(), new_balance);1805 <NftItemList<T>>::remove(collection_id, item_id);18061807 Ok(())1808 }18091810 fn burn_fungible_item(owner: &T::AccountId, collection_id: CollectionId, value: u128) -> DispatchResult {1811 ensure!(1812 <FungibleItemList<T>>::contains_key(collection_id, owner),1813 Error::<T>::TokenNotFound1814 );1815 let mut balance = <FungibleItemList<T>>::get(collection_id, owner);1816 ensure!(balance.value >= value, Error::<T>::TokenValueNotEnough);18171818 // update balance1819 let new_balance = <Balance<T>>::get(collection_id, owner)1820 .checked_sub(value)1821 .ok_or(Error::<T>::NumOverflow)?;1822 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);18231824 if balance.value - value > 0 {1825 balance.value -= value;1826 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), balance);1827 }1828 else {1829 <FungibleItemList<T>>::remove(collection_id, owner);1830 }18311832 Ok(())1833 }18341835 fn collection_exists(collection_id: CollectionId) -> DispatchResult {1836 ensure!(1837 <Collection<T>>::contains_key(collection_id),1838 Error::<T>::CollectionNotFound1839 );1840 Ok(())1841 }18421843 fn check_owner_permissions(collection_id: CollectionId, subject: T::AccountId) -> DispatchResult {1844 Self::collection_exists(collection_id)?;18451846 let target_collection = <Collection<T>>::get(collection_id);1847 ensure!(1848 subject == target_collection.owner,1849 Error::<T>::NoPermission1850 );18511852 Ok(())1853 }18541855 fn is_owner_or_admin_permissions(collection_id: CollectionId, subject: T::AccountId) -> bool {1856 let target_collection = <Collection<T>>::get(collection_id);1857 let mut result: bool = subject == target_collection.owner;1858 let exists = <AdminList<T>>::contains_key(collection_id);18591860 if !result & exists {1861 if <AdminList<T>>::get(collection_id).contains(&subject) {1862 result = true1863 }1864 }18651866 result1867 }18681869 fn check_owner_or_admin_permissions(1870 collection_id: CollectionId,1871 subject: T::AccountId,1872 ) -> DispatchResult {1873 Self::collection_exists(collection_id)?;1874 let result = Self::is_owner_or_admin_permissions(collection_id, subject.clone());18751876 ensure!(1877 result,1878 Error::<T>::NoPermission1879 );1880 Ok(())1881 }18821883 fn owned_amount(1884 subject: T::AccountId,1885 collection_id: CollectionId,1886 item_id: TokenId,1887 ) -> Option<u128> {1888 let target_collection = <Collection<T>>::get(collection_id);18891890 match target_collection.mode {1891 CollectionMode::NFT => {1892 if <NftItemList<T>>::get(collection_id, item_id).owner == subject {1893 return Some(1)1894 }1895 None1896 },1897 CollectionMode::Fungible(_) => {1898 if <FungibleItemList<T>>::contains_key(collection_id, &subject) {1899 return Some(<FungibleItemList<T>>::get(collection_id, &subject)1900 .value);1901 }1902 None1903 },1904 CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)1905 .owner1906 .iter()1907 .find(|i| i.owner == subject)1908 .map(|i| i.fraction),1909 CollectionMode::Invalid => None,1910 }1911 }19121913 fn is_item_owner(subject: T::AccountId, collection_id: CollectionId, item_id: TokenId) -> bool {1914 let target_collection = <Collection<T>>::get(collection_id);19151916 match target_collection.mode {1917 CollectionMode::NFT => {1918 <NftItemList<T>>::get(collection_id, item_id).owner == subject1919 }1920 CollectionMode::Fungible(_) => {1921 <FungibleItemList<T>>::contains_key(collection_id, &subject)1922 }1923 CollectionMode::ReFungible => {1924 <ReFungibleItemList<T>>::get(collection_id, item_id)1925 .owner1926 .iter()1927 .any(|i| i.owner == subject)1928 }1929 CollectionMode::Invalid => false,1930 }1931 }19321933 fn check_white_list(collection_id: CollectionId, address: &T::AccountId) -> DispatchResult {1934 let mes = Error::<T>::AddresNotInWhiteList;1935 ensure!(<WhiteList<T>>::contains_key(collection_id, address), mes);19361937 Ok(())1938 }19391940 /// Check if token exists. In case of Fungible, check if there is an entry for 1941 /// the owner in fungible balances double map1942 fn token_exists(1943 collection_id: CollectionId,1944 item_id: TokenId,1945 owner: &T::AccountId1946 ) -> DispatchResult {1947 let target_collection = <Collection<T>>::get(collection_id);1948 let exists = match target_collection.mode1949 {1950 CollectionMode::NFT => <NftItemList<T>>::contains_key(collection_id, item_id),1951 CollectionMode::Fungible(_) => <FungibleItemList<T>>::contains_key(collection_id, owner),1952 CollectionMode::ReFungible => <ReFungibleItemList<T>>::contains_key(collection_id, item_id),1953 _ => false1954 };19551956 ensure!(exists == true, Error::<T>::TokenNotFound);1957 Ok(())1958 }19591960 fn transfer_fungible(1961 collection_id: CollectionId,1962 value: u128,1963 owner: &T::AccountId,1964 recipient: &T::AccountId,1965 ) -> DispatchResult {1966 Self::token_exists(collection_id, 0, owner)?;19671968 let mut balance = <FungibleItemList<T>>::get(collection_id, owner);1969 ensure!(balance.value >= value, Error::<T>::TokenValueTooLow);19701971 // Send balance to recipient (updates balanceOf of recipient)1972 Self::add_fungible_item(collection_id, recipient, value)?;19731974 // update balanceOf of sender1975 <Balance<T>>::insert(collection_id, (*owner).clone(), balance.value - value);19761977 // Reduce or remove sender1978 if balance.value == value {1979 <FungibleItemList<T>>::remove(collection_id, owner);1980 }1981 else {1982 balance.value -= value;1983 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), balance);1984 }19851986 Ok(())1987 }19881989 fn transfer_refungible(1990 collection_id: CollectionId,1991 item_id: TokenId,1992 value: u128,1993 owner: T::AccountId,1994 new_owner: T::AccountId,1995 ) -> DispatchResult {1996 Self::token_exists(collection_id, item_id, &owner)?;19971998 let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id);1999 let item = full_item2000 .owner2001 .iter()2002 .filter(|i| i.owner == owner)2003 .next()2004 .ok_or(Error::<T>::NumOverflow)?;2005 let amount = item.fraction;20062007 ensure!(amount >= value, Error::<T>::TokenValueTooLow);20082009 // update balance2010 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.clone())2011 .checked_sub(value)2012 .ok_or(Error::<T>::NumOverflow)?;2013 <Balance<T>>::insert(collection_id, item.owner.clone(), balance_old_owner);20142015 let balancenew_owner = <Balance<T>>::get(collection_id, new_owner.clone())2016 .checked_add(value)2017 .ok_or(Error::<T>::NumOverflow)?;2018 <Balance<T>>::insert(collection_id, new_owner.clone(), balancenew_owner);20192020 let old_owner = item.owner.clone();2021 let new_owner_has_account = full_item.owner.iter().any(|i| i.owner == new_owner);20222023 // transfer2024 if amount == value && !new_owner_has_account {2025 // change owner2026 // new owner do not have account2027 let mut new_full_item = full_item.clone();2028 new_full_item2029 .owner2030 .iter_mut()2031 .find(|i| i.owner == owner)2032 .unwrap()2033 .owner = new_owner.clone();2034 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);20352036 // update index collection2037 Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;2038 } else {2039 let mut new_full_item = full_item.clone();2040 new_full_item2041 .owner2042 .iter_mut()2043 .find(|i| i.owner == owner)2044 .unwrap()2045 .fraction -= value;20462047 // separate amount2048 if new_owner_has_account {2049 // new owner has account2050 new_full_item2051 .owner2052 .iter_mut()2053 .find(|i| i.owner == new_owner)2054 .unwrap()2055 .fraction += value;2056 } else {2057 // new owner do not have account2058 new_full_item.owner.push(Ownership {2059 owner: new_owner.clone(),2060 fraction: value,2061 });2062 Self::add_token_index(collection_id, item_id, &new_owner)?;2063 }20642065 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);2066 }20672068 Ok(())2069 }20702071 fn transfer_nft(2072 collection_id: CollectionId,2073 item_id: TokenId,2074 sender: T::AccountId,2075 new_owner: T::AccountId,2076 ) -> DispatchResult {2077 Self::token_exists(collection_id, item_id, &sender)?;20782079 let mut item = <NftItemList<T>>::get(collection_id, item_id);20802081 ensure!(2082 sender == item.owner,2083 Error::<T>::MustBeTokenOwner2084 );20852086 // update balance2087 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.clone())2088 .checked_sub(1)2089 .ok_or(Error::<T>::NumOverflow)?;2090 <Balance<T>>::insert(collection_id, item.owner.clone(), balance_old_owner);20912092 let balancenew_owner = <Balance<T>>::get(collection_id, new_owner.clone())2093 .checked_add(1)2094 .ok_or(Error::<T>::NumOverflow)?;2095 <Balance<T>>::insert(collection_id, new_owner.clone(), balancenew_owner);20962097 // change owner2098 let old_owner = item.owner.clone();2099 item.owner = new_owner.clone();2100 <NftItemList<T>>::insert(collection_id, item_id, item);21012102 // update index collection2103 Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;21042105 Ok(())2106 }2107 2108 fn set_re_fungible_variable_data(2109 collection_id: CollectionId,2110 item_id: TokenId,2111 data: Vec<u8>2112 ) -> DispatchResult {2113 let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id);21142115 item.variable_data = data;21162117 <ReFungibleItemList<T>>::insert(collection_id, item_id, item);21182119 Ok(())2120 }21212122 fn set_nft_variable_data(2123 collection_id: CollectionId,2124 item_id: TokenId,2125 data: Vec<u8>2126 ) -> DispatchResult {2127 let mut item = <NftItemList<T>>::get(collection_id, item_id);2128 2129 item.variable_data = data;21302131 <NftItemList<T>>::insert(collection_id, item_id, item);2132 2133 Ok(())2134 }21352136 fn init_collection(item: &CollectionType<T::AccountId>) {2137 // check params2138 assert!(2139 item.decimal_points <= MAX_DECIMAL_POINTS,2140 "decimal_points parameter must be lower than MAX_DECIMAL_POINTS"2141 );2142 assert!(2143 item.name.len() <= 64,2144 "Collection name can not be longer than 63 char"2145 );2146 assert!(2147 item.name.len() <= 256,2148 "Collection description can not be longer than 255 char"2149 );2150 assert!(2151 item.token_prefix.len() <= 16,2152 "Token prefix can not be longer than 15 char"2153 );21542155 // Generate next collection ID2156 let next_id = CreatedCollectionCount::get()2157 .checked_add(1)2158 .unwrap();21592160 CreatedCollectionCount::put(next_id);2161 }21622163 fn init_nft_token(collection_id: CollectionId, item: &NftItemType<T::AccountId>) {2164 let current_index = <ItemListIndex>::get(collection_id)2165 .checked_add(1)2166 .unwrap();21672168 let item_owner = item.owner.clone();2169 Self::add_token_index(collection_id, current_index, &item.owner).unwrap();21702171 <ItemListIndex>::insert(collection_id, current_index);21722173 // Update balance2174 let new_balance = <Balance<T>>::get(collection_id, &item_owner)2175 .checked_add(1)2176 .unwrap();2177 <Balance<T>>::insert(collection_id, item_owner.clone(), new_balance);2178 }21792180 fn init_fungible_token(collection_id: CollectionId, owner: &T::AccountId, item: &FungibleItemType) {2181 let current_index = <ItemListIndex>::get(collection_id)2182 .checked_add(1)2183 .unwrap();21842185 Self::add_token_index(collection_id, current_index, owner).unwrap();21862187 <ItemListIndex>::insert(collection_id, current_index);21882189 // Update balance2190 let new_balance = <Balance<T>>::get(collection_id, owner)2191 .checked_add(item.value)2192 .unwrap();2193 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);2194 }21952196 fn init_refungible_token(collection_id: CollectionId, item: &ReFungibleItemType<T::AccountId>) {2197 let current_index = <ItemListIndex>::get(collection_id)2198 .checked_add(1)2199 .unwrap();22002201 let value = item.owner.first().unwrap().fraction;2202 let owner = item.owner.first().unwrap().owner.clone();22032204 Self::add_token_index(collection_id, current_index, &owner).unwrap();22052206 <ItemListIndex>::insert(collection_id, current_index);22072208 // Update balance2209 let new_balance = <Balance<T>>::get(collection_id, &owner)2210 .checked_add(value)2211 .unwrap();2212 <Balance<T>>::insert(collection_id, owner.clone(), new_balance);2213 }22142215 fn add_token_index(collection_id: CollectionId, item_index: TokenId, owner: &T::AccountId) -> DispatchResult {22162217 // add to account limit2218 if <AccountItemCount<T>>::contains_key(owner) {22192220 // bound Owned tokens by a single address2221 let count = <AccountItemCount<T>>::get(owner);2222 ensure!(count < ChainLimit::get().account_token_ownership_limit, Error::<T>::AddressOwnershipLimitExceeded);22232224 <AccountItemCount<T>>::insert(owner.clone(), count2225 .checked_add(1)2226 .ok_or(Error::<T>::NumOverflow)?);2227 }2228 else {2229 <AccountItemCount<T>>::insert(owner.clone(), 1);2230 }22312232 let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner);2233 if list_exists {2234 let mut list = <AddressTokens<T>>::get(collection_id, owner);2235 let item_contains = list.contains(&item_index.clone());22362237 if !item_contains {2238 list.push(item_index.clone());2239 }22402241 <AddressTokens<T>>::insert(collection_id, owner.clone(), list);2242 } else {2243 let mut itm = Vec::new();2244 itm.push(item_index.clone());2245 <AddressTokens<T>>::insert(collection_id, owner.clone(), itm);2246 }22472248 Ok(())2249 }22502251 fn remove_token_index(2252 collection_id: CollectionId,2253 item_index: TokenId,2254 owner: &T::AccountId,2255 ) -> DispatchResult {22562257 // update counter2258 <AccountItemCount<T>>::insert(owner.clone(), 2259 <AccountItemCount<T>>::get(owner)2260 .checked_sub(1)2261 .ok_or(Error::<T>::NumOverflow)?);226222632264 let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner);2265 if list_exists {2266 let mut list = <AddressTokens<T>>::get(collection_id, owner);2267 let item_contains = list.contains(&item_index.clone());22682269 if item_contains {2270 list.retain(|&item| item != item_index);2271 <AddressTokens<T>>::insert(collection_id, owner.clone(), list);2272 }2273 }22742275 Ok(())2276 }22772278 fn move_token_index(2279 collection_id: CollectionId,2280 item_index: TokenId,2281 old_owner: &T::AccountId,2282 new_owner: &T::AccountId,2283 ) -> DispatchResult {2284 Self::remove_token_index(collection_id, item_index, old_owner)?;2285 Self::add_token_index(collection_id, item_index, new_owner)?;22862287 Ok(())2288 }2289 2290 fn ensure_contract_owned(account: T::AccountId, contract: &T::AccountId) -> DispatchResult {2291 if <ContractOwner<T>>::contains_key(contract.clone()) {2292 let owner = <ContractOwner<T>>::get(contract);2293 ensure!(account == owner, Error::<T>::NoPermission);2294 } else {2295 fail!(Error::<T>::NoPermission);2296 }22972298 Ok(())2299 }2300}23012302////////////////////////////////////////////////////////////////////////////////////////////////////2303// Economic models2304// #region23052306/// Fee multiplier.2307pub type Multiplier = FixedU128;23082309type BalanceOf<T> = <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::Balance;23102311/// Require the transactor pay for themselves and maybe include a tip to gain additional priority2312/// in the queue.2313#[derive(Encode, Decode, Clone, Eq, PartialEq)]2314pub struct ChargeTransactionPayment<T: Config>(#[codec(compact)] BalanceOf<T>);23152316impl<T: Config + Send + Sync> sp_std::fmt::Debug 2317 for ChargeTransactionPayment<T>2318{2319 #[cfg(feature = "std")]2320 fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {2321 write!(f, "ChargeTransactionPayment<{:?}>", self.0)2322 }2323 #[cfg(not(feature = "std"))]2324 fn fmt(&self, _: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {2325 Ok(())2326 }2327}23282329impl<T: Config> ChargeTransactionPayment<T>2330where2331 T::Call: Dispatchable<Info=DispatchInfo, PostInfo=PostDispatchInfo> + IsSubType<Call<T>> + IsSubType<pallet_contracts::Call<T>>,2332 BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,2333 T::AccountId: AsRef<[u8]>,2334 T::AccountId: UncheckedFrom<T::Hash>,2335{2336 fn traditional_fee(2337 len: usize,2338 info: &DispatchInfoOf<T::Call>,2339 tip: BalanceOf<T>,2340 ) -> BalanceOf<T>2341 where2342 T::Call: Dispatchable<Info = DispatchInfo>,2343 {2344 <transaction_payment::Module<T>>::compute_fee(len as u32, info, tip)2345 }23462347 fn get_priority(len: usize, info: &DispatchInfoOf<T::Call>, final_fee: BalanceOf<T>) -> TransactionPriority {2348 let weight_saturation = T::BlockWeights::get().max_block / info.weight.max(1);2349 let max_block_length = *T::BlockLength::get().max.get(DispatchClass::Normal);2350 let len_saturation = max_block_length as u64 / (len as u64).max(1);2351 let coefficient: BalanceOf<T> = weight_saturation2352 .min(len_saturation)2353 .saturated_into::<BalanceOf<T>>();2354 final_fee2355 .saturating_mul(coefficient)2356 .saturated_into::<TransactionPriority>()2357 }23582359 fn withdraw_fee(2360 &self,2361 who: &T::AccountId,2362 call: &T::Call,2363 info: &DispatchInfoOf<T::Call>,2364 len: usize,2365 ) -> Result<2366 (2367 BalanceOf<T>,2368 <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,2369 ),2370 TransactionValidityError,2371 > {2372 let tip = self.0;23732374 // Set fee based on call type. Creating collection costs 1 Unique.2375 // All other transactions have traditional fees so far2376 // let fee = match call.is_sub_type() {2377 // Some(Call::create_collection(..)) => <BalanceOf<T>>::from(1_000_000_000),2378 // _ => Self::traditional_fee(len, info, tip), // Flat fee model, use only for testing purposes2379 // // _ => <BalanceOf<T>>::from(100)2380 // };2381 let fee = Self::traditional_fee(len, info, tip);23822383 // Only mess with balances if fee is not zero.2384 if fee.is_zero() {2385 return <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::withdraw_fee(who, call, info, fee, tip)2386 .map(|i| (fee, i));2387 }23882389 // Determine who is paying transaction fee based on ecnomic model2390 // Parse call to extract collection ID and access collection sponsor2391 let mut sponsor: T::AccountId = match IsSubType::<Call<T>>::is_sub_type(call) {2392 Some(Call::create_item(collection_id, _owner, _properties)) => {23932394 // sponsor timeout2395 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;23962397 let limit = <Collection<T>>::get(collection_id).limits.sponsor_transfer_timeout;2398 let mut sponsored = true;2399 if <CreateItemBasket<T>>::contains_key((collection_id, &who)) {2400 let last_tx_block = <CreateItemBasket<T>>::get((collection_id, &who));2401 let limit_time = last_tx_block + limit.into();2402 if block_number <= limit_time {2403 sponsored = false;2404 }2405 }2406 if sponsored {2407 <CreateItemBasket<T>>::insert((collection_id, who.clone()), block_number);2408 }24092410 // check free create limit2411 if (<Collection<T>>::get(collection_id).limits.sponsored_data_size >= (_properties.len() as u32)) &&2412 (<Collection<T>>::get(collection_id).sponsor_confirmed) &&2413 (sponsored)2414 {2415 <Collection<T>>::get(collection_id).sponsor2416 } else {2417 T::AccountId::default()2418 }2419 }2420 Some(Call::transfer(_new_owner, collection_id, item_id, _value)) => {2421 2422 let mut sponsor_transfer = false;2423 if <Collection<T>>::get(collection_id).sponsor_confirmed {24242425 let collection_limits = <Collection<T>>::get(collection_id).limits;2426 let collection_mode = <Collection<T>>::get(collection_id).mode;2427 2428 // sponsor timeout2429 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2430 sponsor_transfer = match collection_mode {2431 CollectionMode::NFT => {2432 2433 // get correct limit2434 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2435 collection_limits.sponsor_transfer_timeout2436 } else {2437 ChainLimit::get().nft_sponsor_transfer_timeout2438 };2439 2440 let mut sponsored = true;2441 if <NftTransferBasket<T>>::contains_key(collection_id, item_id) {2442 let last_tx_block = <NftTransferBasket<T>>::get(collection_id, item_id);2443 let limit_time = last_tx_block + limit.into();2444 if block_number <= limit_time {2445 sponsored = false;2446 }2447 }2448 if sponsored {2449 <NftTransferBasket<T>>::insert(collection_id, item_id, block_number);2450 }24512452 sponsored2453 }2454 CollectionMode::Fungible(_) => {2455 2456 // get correct limit2457 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2458 collection_limits.sponsor_transfer_timeout2459 } else {2460 ChainLimit::get().fungible_sponsor_transfer_timeout2461 };2462 2463 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2464 let mut sponsored = true;2465 if <FungibleTransferBasket<T>>::contains_key(collection_id, who) {2466 let last_tx_block = <FungibleTransferBasket<T>>::get(collection_id, who);2467 let limit_time = last_tx_block + limit.into();2468 if block_number <= limit_time {2469 sponsored = false;2470 }2471 }2472 if sponsored {2473 <FungibleTransferBasket<T>>::insert(collection_id, who, block_number);2474 }24752476 sponsored2477 }2478 CollectionMode::ReFungible => {2479 2480 // get correct limit2481 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2482 collection_limits.sponsor_transfer_timeout2483 } else {2484 ChainLimit::get().refungible_sponsor_transfer_timeout2485 };2486 2487 let mut sponsored = true;2488 if <ReFungibleTransferBasket<T>>::contains_key(collection_id, item_id) {2489 let last_tx_block = <ReFungibleTransferBasket<T>>::get(collection_id, item_id);2490 let limit_time = last_tx_block + limit.into();2491 if block_number <= limit_time {2492 sponsored = false;2493 }2494 }2495 if sponsored {2496 <ReFungibleTransferBasket<T>>::insert(collection_id, item_id, block_number);2497 }24982499 sponsored2500 }2501 _ => {2502 false2503 },2504 };2505 }25062507 if !sponsor_transfer {2508 T::AccountId::default()2509 } else {2510 <Collection<T>>::get(collection_id).sponsor2511 }2512 }25132514 _ => T::AccountId::default(),2515 };25162517 // Sponsor smart contracts2518 sponsor = match IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call) {25192520 // On instantiation: set the contract owner2521 Some(pallet_contracts::Call::instantiate(_endowment, _gas_limit, code_hash, _data, salt)) => {25222523 let new_contract_address = <pallet_contracts::Module<T>>::contract_address(2524 &who,2525 code_hash,2526 salt,2527 );2528 <ContractOwner<T>>::insert(new_contract_address.clone(), who.clone());25292530 T::AccountId::default()2531 },25322533 // When the contract is called, check if the sponsoring is enabled and pay fees from contract endowment if it is2534 Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) => {25352536 let called_contract: T::AccountId = T::Lookup::lookup((*dest).clone()).unwrap_or(T::AccountId::default());25372538 let owned_contract = <ContractOwner<T>>::contains_key(called_contract.clone())2539 && <ContractOwner<T>>::get(called_contract.clone()) == *who;2540 let white_list_enabled = <ContractWhiteListEnabled<T>>::contains_key(called_contract.clone()) && <ContractWhiteListEnabled<T>>::get(called_contract.clone());2541 2542 if !owned_contract && white_list_enabled {2543 if !<ContractWhiteList<T>>::contains_key(called_contract.clone(), who) {2544 return Err(InvalidTransaction::Call.into());2545 }2546 }25472548 let mut sponsor_transfer = false;2549 if <ContractSponsoringRateLimit<T>>::contains_key(called_contract.clone()) {2550 let last_tx_block = <ContractSponsorBasket<T>>::get((&called_contract, &who));2551 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2552 let rate_limit = <ContractSponsoringRateLimit<T>>::get(&called_contract);2553 let limit_time = last_tx_block + rate_limit;25542555 if block_number >= limit_time {2556 <ContractSponsorBasket<T>>::insert((called_contract.clone(), who.clone()), block_number);2557 sponsor_transfer = true;2558 }2559 } else {2560 sponsor_transfer = false;2561 }2562 2563 2564 let mut sp = T::AccountId::default();2565 if sponsor_transfer {2566 if <ContractSelfSponsoring<T>>::contains_key(called_contract.clone()) {2567 if <ContractSelfSponsoring<T>>::get(called_contract.clone()) {2568 sp = called_contract;2569 }2570 }2571 }25722573 sp2574 },25752576 _ => sponsor,2577 };25782579 let mut who_pays_fee: T::AccountId = sponsor.clone();2580 if sponsor == T::AccountId::default() {2581 who_pays_fee = who.clone();2582 }25832584 <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::withdraw_fee(&who_pays_fee, call, info, fee, tip)2585 .map(|i| (fee, i))2586 }2587}258825892590impl<T: Config + Send + Sync> SignedExtension2591 for ChargeTransactionPayment<T>2592where2593 BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,2594 T::Call: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo> + IsSubType<Call<T>> + IsSubType<pallet_contracts::Call<T>>,2595 T::AccountId: AsRef<[u8]>,2596 T::AccountId: UncheckedFrom<T::Hash>,2597{2598 const IDENTIFIER: &'static str = "ChargeTransactionPayment";2599 type AccountId = T::AccountId;2600 type Call = T::Call;2601 type AdditionalSigned = ();2602 type Pre = (2603 // tip2604 BalanceOf<T>,2605 // who pays fee2606 Self::AccountId,2607 // imbalance resulting from withdrawing the fee2608 <<T as transaction_payment::Config>::OnChargeTransaction as transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,2609 );2610 fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {2611 Ok(())2612 }26132614 fn validate(2615 &self,2616 who: &Self::AccountId,2617 call: &Self::Call,2618 info: &DispatchInfoOf<Self::Call>,2619 len: usize,2620 ) -> TransactionValidity {2621 let (fee, _) = self.withdraw_fee(who, call, info, len)?;2622 Ok(ValidTransaction {2623 priority: Self::get_priority(len, info, fee),2624 ..Default::default()2625 })2626 }26272628 fn pre_dispatch(2629 self,2630 who: &Self::AccountId,2631 call: &Self::Call,2632 info: &DispatchInfoOf<Self::Call>,2633 len: usize,2634 ) -> Result<Self::Pre, TransactionValidityError> {2635 let (_fee, imbalance) = self.withdraw_fee(who, call, info, len)?;2636 Ok((self.0, who.clone(), imbalance))2637 }26382639 fn post_dispatch(2640 pre: Self::Pre,2641 info: &DispatchInfoOf<Self::Call>,2642 post_info: &PostDispatchInfoOf<Self::Call>,2643 len: usize,2644 _result: &DispatchResult,2645 ) -> Result<(), TransactionValidityError> {2646 let (tip, who, imbalance) = pre;2647 let actual_fee = transaction_payment::Module::<T>::compute_actual_fee(2648 len as u32,2649 info,2650 post_info,2651 tip,2652 );2653 <T as transaction_payment::Config>::OnChargeTransaction::correct_and_deposit_fee(&who, info, post_info, actual_fee, tip, imbalance)?;2654 Ok(())2655 }2656}26572658// #endregiontests/src/approve.test.tsdiffbeforeafterboth--- a/tests/src/approve.test.ts
+++ b/tests/src/approve.test.ts
@@ -4,7 +4,6 @@
//
import { IKeyringPair } from '@polkadot/types/types';
import { ApiPromise } from '@polkadot/api';
-import BN from 'bn.js';
import chai from 'chai';
import chaiAsPromised from 'chai-as-promised';
import privateKey from './substrate/privateKey';
@@ -13,66 +12,61 @@
approveExpectFail,
approveExpectSuccess,
createCollectionExpectSuccess,
- createFungibleItemExpectSuccess,
createItemExpectSuccess,
destroyCollectionExpectSuccess,
transferExpectSuccess,
- transferFromExpectSuccess,
- U128_MAX,
} from './util/helpers';
chai.use(chaiAsPromised);
-const expect = chai.expect;
-describe('Integration Test approve(spender, collection_id, item_id, amount):', () => {
- it('Execute the extrinsic and check approvedList', async () => {
- await usingApi(async (api: ApiPromise) => {
- const Alice = privateKey('//Alice');
- const Bob = privateKey('//Bob');
- const nftCollectionId = await createCollectionExpectSuccess();
- // nft
- const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
- await approveExpectSuccess(nftCollectionId, newNftTokenId, Alice, Bob);
- // fungible
- const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
- const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
- await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob);
- // reFungible
- const reFungibleCollectionId =
- await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
- const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
- await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob);
+let Alice: IKeyringPair;
+let Bob: IKeyringPair;
+
+describe.only('Integration Test approve(spender, collection_id, item_id, amount):', () => {
+ before(async () => {
+ await usingApi(async () => {
+ Alice = privateKey('//Alice');
+ Bob = privateKey('//Bob');
});
});
+ it('Execute the extrinsic and check approvedList', async () => {
+ const nftCollectionId = await createCollectionExpectSuccess();
+ // nft
+ const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
+ await approveExpectSuccess(nftCollectionId, newNftTokenId, Alice, Bob);
+ // fungible
+ const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
+ const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
+ await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob);
+ // reFungible
+ const reFungibleCollectionId =
+ await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+ const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
+ await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob);
+ });
+
it('Remove approval by using 0 amount', async () => {
- await usingApi(async (api: ApiPromise) => {
- const Alice = privateKey('//Alice');
- const Bob = privateKey('//Bob');
- const nftCollectionId = await createCollectionExpectSuccess();
- // nft
- const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
- await approveExpectSuccess(nftCollectionId, newNftTokenId, Alice, Bob, 1);
- await approveExpectSuccess(nftCollectionId, newNftTokenId, Alice, Bob, 0);
- // fungible
- const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
- const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
- await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob, 1);
- await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob, 0);
- // reFungible
- const reFungibleCollectionId =
- await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
- const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
- await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob, 1);
- await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob, 0);
- });
+ const nftCollectionId = await createCollectionExpectSuccess();
+ // nft
+ const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
+ await approveExpectSuccess(nftCollectionId, newNftTokenId, Alice, Bob, 1);
+ await approveExpectSuccess(nftCollectionId, newNftTokenId, Alice, Bob, 0);
+ // fungible
+ const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
+ const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
+ await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob, 1);
+ await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob, 0);
+ // reFungible
+ const reFungibleCollectionId =
+ await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+ const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
+ await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob, 1);
+ await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob, 0);
});
});
-describe('Negative Integration Test approve(spender, collection_id, item_id, amount):', () => {
- let Alice: IKeyringPair;
- let Bob: IKeyringPair;
-
+describe.only('Negative Integration Test approve(spender, collection_id, item_id, amount):', () => {
before(async () => {
await usingApi(async (api) => {
Alice = privateKey('//Alice');
@@ -82,7 +76,6 @@
it('Approve for a collection that does not exist', async () => {
await usingApi(async (api: ApiPromise) => {
-
// nft
const nftCollectionCount = await api.query.nft.createdCollectionCount() as unknown as number;
await approveExpectFail(nftCollectionCount + 1, 1, Alice, Bob);
@@ -96,56 +89,48 @@
});
it('Approve for a collection that was destroyed', async () => {
- await usingApi(async (api: ApiPromise) => {
- // nft
- const nftCollectionId = await createCollectionExpectSuccess();
- await destroyCollectionExpectSuccess(nftCollectionId);
- await approveExpectFail(nftCollectionId, 1, Alice, Bob);
- // fungible
- const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
- await destroyCollectionExpectSuccess(fungibleCollectionId);
- await approveExpectFail(fungibleCollectionId, 1, Alice, Bob);
- // reFungible
- const reFungibleCollectionId =
- await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
- await destroyCollectionExpectSuccess(reFungibleCollectionId);
- await approveExpectFail(reFungibleCollectionId, 1, Alice, Bob);
- });
+ // nft
+ const nftCollectionId = await createCollectionExpectSuccess();
+ await destroyCollectionExpectSuccess(nftCollectionId);
+ await approveExpectFail(nftCollectionId, 1, Alice, Bob);
+ // fungible
+ const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
+ await destroyCollectionExpectSuccess(fungibleCollectionId);
+ await approveExpectFail(fungibleCollectionId, 1, Alice, Bob);
+ // reFungible
+ const reFungibleCollectionId =
+ await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+ await destroyCollectionExpectSuccess(reFungibleCollectionId);
+ await approveExpectFail(reFungibleCollectionId, 1, Alice, Bob);
});
it('Approve transfer of a token that does not exist', async () => {
- await usingApi(async (api: ApiPromise) => {
- // nft
- const nftCollectionId = await createCollectionExpectSuccess();
- await approveExpectFail(nftCollectionId, 2, Alice, Bob);
- // fungible
- const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
- await approveExpectFail(fungibleCollectionId, 2, Alice, Bob);
- // reFungible
- const reFungibleCollectionId =
- await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
- await approveExpectFail(reFungibleCollectionId, 2, Alice, Bob);
- });
+ // nft
+ const nftCollectionId = await createCollectionExpectSuccess();
+ await approveExpectFail(nftCollectionId, 2, Alice, Bob);
+ // fungible
+ const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
+ await approveExpectFail(fungibleCollectionId, 2, Alice, Bob);
+ // reFungible
+ const reFungibleCollectionId =
+ await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+ await approveExpectFail(reFungibleCollectionId, 2, Alice, Bob);
});
it('Approve using the address that does not own the approved token', async () => {
- await usingApi(async (api: ApiPromise) => {
- const Alice = privateKey('//Alice');
- const Bob = privateKey('//Bob');
- const nftCollectionId = await createCollectionExpectSuccess();
- // nft
- const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
- await approveExpectFail(nftCollectionId, newNftTokenId, Bob, Alice);
- // fungible
- const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
- const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
- await approveExpectFail(fungibleCollectionId, newFungibleTokenId, Bob, Alice);
- // reFungible
- const reFungibleCollectionId =
- await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
- const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
- await approveExpectFail(reFungibleCollectionId, newReFungibleTokenId, Bob, Alice);
- });
+ const nftCollectionId = await createCollectionExpectSuccess();
+ // nft
+ const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
+ await approveExpectFail(nftCollectionId, newNftTokenId, Bob, Alice);
+ // fungible
+ const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
+ const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
+ await approveExpectFail(fungibleCollectionId, newFungibleTokenId, Bob, Alice);
+ // reFungible
+ const reFungibleCollectionId =
+ await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+ const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
+ await approveExpectFail(reFungibleCollectionId, newReFungibleTokenId, Bob, Alice);
});
it('should fail if approved more NFTs than owned', async () => {