123456#![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 core::ops::{Deref, DerefMut};17use codec::{Decode, Encode};18pub use frame_support::{19 construct_runtime, decl_event, decl_module, decl_storage, decl_error,20 dispatch::DispatchResult,21 ensure, fail, parameter_types,22 traits::{23 Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,24 Randomness, IsSubType, WithdrawReasons,25 },26 weights::{27 constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},28 DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,29 WeightToFeePolynomial, DispatchClass,30 },31 StorageValue,32 transactional,33};3435use frame_system::{self as system, ensure_signed, ensure_root};36use sp_runtime::sp_std::prelude::Vec;37use sp_runtime::{38 traits::{39 Hash, DispatchInfoOf, Dispatchable, PostDispatchInfoOf, Saturating, SaturatedConversion, SignedExtension, Zero,40 },41 transaction_validity::{42 TransactionPriority, InvalidTransaction, TransactionValidity, TransactionValidityError, ValidTransaction,43 },44 FixedPointOperand, FixedU128,45};46use sp_runtime::traits::StaticLookup;47use pallet_contracts::chain_extension::UncheckedFrom;48use pallet_transaction_payment::OnChargeTransaction;4950#[cfg(test)]51mod mock;5253#[cfg(test)]54mod tests;5556mod default_weights;5758pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;59pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;60pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;61pub const MAX_TOKEN_OWNERSHIP: u32 = 10_000_000;6263646566pub type CollectionId = u32;67pub type TokenId = u32;68pub type DecimalPoints = u8;6970#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]71#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]72pub enum CollectionMode {73 Invalid,74 NFT,75 76 Fungible(DecimalPoints),77 ReFungible,78}7980impl Default for CollectionMode {81 fn default() -> Self {82 Self::Invalid83 }84}8586impl Into<u8> for CollectionMode {87 fn into(self) -> u8 {88 match self {89 CollectionMode::Invalid => 0,90 CollectionMode::NFT => 1,91 CollectionMode::Fungible(_) => 2,92 CollectionMode::ReFungible => 3,93 }94 }95}9697#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]98#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]99pub enum AccessMode {100 Normal,101 WhiteList,102}103impl Default for AccessMode {104 fn default() -> Self {105 Self::Normal106 }107}108109#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]110#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]111pub enum SchemaVersion {112 ImageURL,113 Unique,114}115impl Default for SchemaVersion {116 fn default() -> Self {117 Self::ImageURL118 }119}120121#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]122#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]123pub struct Ownership<AccountId> {124 pub owner: AccountId,125 pub fraction: u128,126}127128#[derive(Encode, Decode, Debug, Clone, PartialEq)]129#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]130pub enum SponsorshipState<AccountId> {131 132 Disabled,133 Unconfirmed(AccountId),134 135 Confirmed(AccountId),136}137138impl<AccountId> SponsorshipState<AccountId> {139 fn sponsor(&self) -> Option<&AccountId> {140 match self {141 Self::Confirmed(sponsor) => Some(sponsor),142 _ => None,143 }144 }145146 fn pending_sponsor(&self) -> Option<&AccountId> {147 match self {148 Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),149 _ => None,150 }151 }152153 fn confirmed(&self) -> bool {154 matches!(self, Self::Confirmed(_))155 }156}157158impl<T> Default for SponsorshipState<T> {159 fn default() -> Self {160 Self::Disabled161 }162}163164#[derive(Encode, Decode, Clone, PartialEq)]165#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]166pub struct Collection<T: Config> {167 pub owner: T::AccountId,168 pub mode: CollectionMode,169 pub access: AccessMode,170 pub decimal_points: DecimalPoints,171 pub name: Vec<u16>, 172 pub description: Vec<u16>, 173 pub token_prefix: Vec<u8>, 174 pub mint_mode: bool,175 pub offchain_schema: Vec<u8>,176 pub schema_version: SchemaVersion,177 pub sponsorship: SponsorshipState<T::AccountId>,178 pub limits: CollectionLimits<T::BlockNumber>, 179 pub variable_on_chain_schema: Vec<u8>, 180 pub const_on_chain_schema: Vec<u8>, 181}182183pub struct CollectionHandle<T: Config> {184 pub id: CollectionId,185 collection: Collection<T>,186}187188impl<T: Config> Deref for CollectionHandle<T> {189 type Target = Collection<T>;190191 fn deref(&self) -> &Self::Target {192 &self.collection193 }194}195196impl<T: Config> DerefMut for CollectionHandle<T> {197 fn deref_mut(&mut self) -> &mut Self::Target {198 &mut self.collection199 }200}201202#[derive(Encode, Decode, Debug, Clone, PartialEq)]203#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]204pub struct NftItemType<AccountId> {205 pub owner: AccountId,206 pub const_data: Vec<u8>,207 pub variable_data: Vec<u8>,208}209210#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]211#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]212pub struct FungibleItemType {213 pub value: u128,214}215216#[derive(Encode, Decode, Debug, Clone, PartialEq)]217#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]218pub struct ReFungibleItemType<AccountId> {219 pub owner: Vec<Ownership<AccountId>>,220 pub const_data: Vec<u8>,221 pub variable_data: Vec<u8>,222}223224225226227228229230231232233234235#[derive(Encode, Decode, Debug, Clone, PartialEq)]236#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]237pub struct CollectionLimits<BlockNumber: Encode + Decode> {238 pub account_token_ownership_limit: u32,239 pub sponsored_data_size: u32,240 241 242 243 pub sponsored_data_rate_limit: Option<BlockNumber>,244 pub token_limit: u32,245246 247 pub sponsor_transfer_timeout: u32,248 pub owner_can_transfer: bool,249 pub owner_can_destroy: bool,250}251252impl<BlockNumber: Encode + Decode> Default for CollectionLimits<BlockNumber> {253 fn default() -> Self {254 Self { 255 account_token_ownership_limit: 10_000_000, 256 token_limit: u32::max_value(),257 sponsored_data_size: u32::MAX, 258 sponsored_data_rate_limit: None,259 sponsor_transfer_timeout: 14400,260 owner_can_transfer: true,261 owner_can_destroy: true262 }263 }264}265266#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]267#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]268pub struct ChainLimits {269 pub collection_numbers_limit: u32,270 pub account_token_ownership_limit: u32,271 pub collections_admins_limit: u64,272 pub custom_data_limit: u32,273274 275 pub nft_sponsor_transfer_timeout: u32,276 pub fungible_sponsor_transfer_timeout: u32,277 pub refungible_sponsor_transfer_timeout: u32,278279 280 pub offchain_schema_limit: u32,281 pub variable_on_chain_schema_limit: u32,282 pub const_on_chain_schema_limit: u32,283}284285pub trait WeightInfo {286 fn create_collection() -> Weight;287 fn destroy_collection() -> Weight;288 fn add_to_white_list() -> Weight;289 fn remove_from_white_list() -> Weight;290 fn set_public_access_mode() -> Weight;291 fn set_mint_permission() -> Weight;292 fn change_collection_owner() -> Weight;293 fn add_collection_admin() -> Weight;294 fn remove_collection_admin() -> Weight;295 fn set_collection_sponsor() -> Weight;296 fn confirm_sponsorship() -> Weight;297 fn remove_collection_sponsor() -> Weight;298 fn create_item(s: usize) -> Weight;299 fn burn_item() -> Weight;300 fn transfer() -> Weight;301 fn approve() -> Weight;302 fn transfer_from() -> Weight;303 fn set_offchain_schema() -> Weight;304 fn set_const_on_chain_schema() -> Weight;305 fn set_variable_on_chain_schema() -> Weight;306 fn set_variable_meta_data() -> Weight;307 fn enable_contract_sponsoring() -> Weight;308 fn set_schema_version() -> Weight;309 fn set_chain_limits() -> Weight;310 fn set_contract_sponsoring_rate_limit() -> Weight;311 fn set_variable_meta_data_sponsoring_rate_limit() -> Weight;312 fn toggle_contract_white_list() -> Weight;313 fn add_to_contract_white_list() -> Weight;314 fn remove_from_contract_white_list() -> Weight;315 fn set_collection_limits() -> Weight;316}317318#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]319#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]320pub struct CreateNftData {321 pub const_data: Vec<u8>,322 pub variable_data: Vec<u8>,323}324325#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]326#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]327pub struct CreateFungibleData {328 pub value: u128,329}330331#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]332#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]333pub struct CreateReFungibleData {334 pub const_data: Vec<u8>,335 pub variable_data: Vec<u8>,336 pub pieces: u128,337}338339#[derive(Encode, Decode, Debug, Clone, PartialEq)]340#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]341pub enum CreateItemData {342 NFT(CreateNftData),343 Fungible(CreateFungibleData),344 ReFungible(CreateReFungibleData),345}346347impl CreateItemData {348 pub fn len(&self) -> usize {349 let len = match self {350 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),351 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),352 _ => 0353 };354 355 return len;356 }357}358359impl From<CreateNftData> for CreateItemData {360 fn from(item: CreateNftData) -> Self {361 CreateItemData::NFT(item)362 }363}364365impl From<CreateReFungibleData> for CreateItemData {366 fn from(item: CreateReFungibleData) -> Self {367 CreateItemData::ReFungible(item)368 }369}370371impl From<CreateFungibleData> for CreateItemData {372 fn from(item: CreateFungibleData) -> Self {373 CreateItemData::Fungible(item)374 }375}376377378decl_error! {379 380 pub enum Error for Module<T: Config> {381 382 TotalCollectionsLimitExceeded,383 384 CollectionDecimalPointLimitExceeded, 385 386 CollectionNameLimitExceeded, 387 388 CollectionDescriptionLimitExceeded, 389 390 CollectionTokenPrefixLimitExceeded,391 392 CollectionNotFound,393 394 TokenNotFound,395 396 AdminNotFound,397 398 NumOverflow, 399 400 AlreadyAdmin, 401 402 NoPermission,403 404 ConfirmUnsetSponsorFail,405 406 PublicMintingNotAllowed,407 408 MustBeTokenOwner,409 410 TokenValueTooLow,411 412 NftSizeLimitExceeded,413 414 ApproveNotFound,415 416 TokenValueNotEnough,417 418 ApproveRequired,419 420 AddresNotInWhiteList,421 422 CollectionAdminsLimitExceeded,423 424 AddressOwnershipLimitExceeded,425 426 EmptyArgument,427 428 TokenConstDataLimitExceeded,429 430 TokenVariableDataLimitExceeded,431 432 NotNftDataUsedToMintNftCollectionToken,433 434 NotFungibleDataUsedToMintFungibleCollectionToken,435 436 NotReFungibleDataUsedToMintReFungibleCollectionToken,437 438 UnexpectedCollectionType,439 440 CantStoreMetadataInFungibleTokens,441 442 CollectionTokenLimitExceeded,443 444 AccountTokenLimitExceeded,445 446 CollectionLimitBoundsExceeded,447 448 OwnerPermissionsCantBeReverted,449 450 SchemaDataLimitExceeded,451 452 WrongRefungiblePieces,453 454 BadCreateRefungibleCall,455 }456}457458pub trait Config: system::Config + Sized + pallet_transaction_payment::Config + pallet_contracts::Config {459 type Event: From<Event<Self>> + Into<<Self as system::Config>::Event>;460461 462 type WeightInfo: WeightInfo;463464 type Currency: Currency<Self::AccountId>;465 type CollectionCreationPrice: Get<<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance>;466 type TreasuryAccountId: Get<Self::AccountId>;467}468469#[cfg(feature = "runtime-benchmarks")]470mod benchmarking;471472473474475476477478479480481482483484485486487488489490491492493494495496decl_storage! {497 trait Store for Module<T: Config> as Nft {498499 500 501 CreatedCollectionCount: u32;502 503 ChainVersion: u64;504 505 506 ItemListIndex: map hasher(blake2_128_concat) CollectionId => TokenId;507 508509 510 pub ChainLimit get(fn chain_limit) config(): ChainLimits;511 512513 514 515 516 DestroyedCollectionCount: u32;517 518 519 pub AccountItemCount get(fn account_item_count): map hasher(twox_64_concat) T::AccountId => u32;520 521522 523 524 525 pub CollectionById get(fn collection_id) config(): map hasher(blake2_128_concat) CollectionId => Option<Collection<T>> = None;526 527 528 pub AdminList get(fn admin_list_collection): map hasher(blake2_128_concat) CollectionId => Vec<T::AccountId>;529 530 531 pub WhiteList get(fn white_list): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => bool;532 533534 535 536 pub Balance get(fn balance_count): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => u128;537538 539 540 541 pub Allowances get(fn approved): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) (TokenId, T::AccountId, T::AccountId) => u128;542543 544 545 pub NftItemList get(fn nft_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<NftItemType<T::AccountId>>;546 547 pub FungibleItemList get(fn fungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => FungibleItemType;548 549 pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<ReFungibleItemType<T::AccountId>>;550 551552 553 554 pub AddressTokens get(fn address_tokens): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => Vec<TokenId>;555 556557 558 559 560 pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => T::BlockNumber;561 562 pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;563 564 pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => T::BlockNumber;565 566 pub ReFungibleTransferBasket get(fn refungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;567 568569 570 571 pub VariableMetaDataBasket get(fn variable_meta_data_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber> = None;572 573 574 575 pub ContractOwner get(fn contract_owner): map hasher(twox_64_concat) T::AccountId => Option<T::AccountId>;576 577 pub ContractSelfSponsoring get(fn contract_self_sponsoring): map hasher(twox_64_concat) T::AccountId => bool;578 579 pub ContractSponsorBasket get(fn contract_sponsor_basket): map hasher(twox_64_concat) (T::AccountId, T::AccountId) => T::BlockNumber;580 581 pub ContractSponsoringRateLimit get(fn contract_sponsoring_rate_limit): map hasher(twox_64_concat) T::AccountId => T::BlockNumber;582 583 pub ContractWhiteListEnabled get(fn contract_white_list_enabled): map hasher(twox_64_concat) T::AccountId => bool; 584 585 pub ContractWhiteList get(fn contract_white_list): double_map hasher(twox_64_concat) T::AccountId, hasher(blake2_128_concat) T::AccountId => bool; 586 587 }588 add_extra_genesis {589 build(|config: &GenesisConfig<T>| {590 591 for (_num, _c) in &config.collection_id {592 <Module<T>>::init_collection(_c);593 }594595 for (_num, _c, _i) in &config.nft_item_id {596 <Module<T>>::init_nft_token(*_c, _i);597 }598599 for (collection_id, account_id, fungible_item) in &config.fungible_item_id {600 <Module<T>>::init_fungible_token(*collection_id, account_id, fungible_item);601 }602603 for (_num, _c, _i) in &config.refungible_item_id {604 <Module<T>>::init_refungible_token(*_c, _i);605 }606 })607 }608}609610decl_event!(611 pub enum Event<T>612 where613 AccountId = <T as system::Config>::AccountId,614 {615 616 617 618 619 620 621 622 623 624 CollectionCreated(CollectionId, u8, AccountId),625626 627 628 629 630 631 632 633 634 635 ItemCreated(CollectionId, TokenId, AccountId),636637 638 639 640 641 642 643 644 ItemDestroyed(CollectionId, TokenId),645646 647 648 649 650 651 652 653 654 655 656 657 Transfer(CollectionId, TokenId, AccountId, AccountId, u128),658659 660 661 662 663 664 665 666 667 668 Approved(CollectionId, TokenId, AccountId, AccountId, u128),669 }670);671672decl_module! {673 pub struct Module<T: Config> for enum Call 674 where 675 origin: T::Origin676 {677 fn deposit_event() = default;678 type Error = Error<T>;679680 fn on_initialize(now: T::BlockNumber) -> Weight {681 0682 }683684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 #[weight = <T as Config>::WeightInfo::create_collection()]701 #[transactional]702 pub fn create_collection(origin,703 collection_name: Vec<u16>,704 collection_description: Vec<u16>,705 token_prefix: Vec<u8>,706 mode: CollectionMode) -> DispatchResult {707708 709 let who = ensure_signed(origin)?;710711 712 let mut imbalance = <<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();713 imbalance.subsume(<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(714 &T::TreasuryAccountId::get(),715 T::CollectionCreationPrice::get(),716 ));717 <T as Config>::Currency::settle(718 &who,719 imbalance,720 WithdrawReasons::TRANSFER,721 ExistenceRequirement::KeepAlive,722 ).map_err(|_| Error::<T>::NoPermission)?;723724 let decimal_points = match mode {725 CollectionMode::Fungible(points) => points,726 _ => 0727 };728729 let chain_limit = ChainLimit::get();730731 let created_count = CreatedCollectionCount::get();732 let destroyed_count = DestroyedCollectionCount::get();733734 735 ensure!(created_count - destroyed_count < chain_limit.collection_numbers_limit, Error::<T>::TotalCollectionsLimitExceeded);736737 738 ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);739 ensure!(collection_name.len() <= 64, Error::<T>::CollectionNameLimitExceeded);740 ensure!(collection_description.len() <= 256, Error::<T>::CollectionDescriptionLimitExceeded);741 ensure!(token_prefix.len() <= 16, Error::<T>::CollectionTokenPrefixLimitExceeded);742743 744 let next_id = created_count745 .checked_add(1)746 .ok_or(Error::<T>::NumOverflow)?;747748 CreatedCollectionCount::put(next_id);749750 let limits = CollectionLimits {751 sponsored_data_size: chain_limit.custom_data_limit,752 ..Default::default()753 };754755 756 let new_collection = Collection {757 owner: who.clone(),758 name: collection_name,759 mode: mode.clone(),760 mint_mode: false,761 access: AccessMode::Normal,762 description: collection_description,763 decimal_points: decimal_points,764 token_prefix: token_prefix,765 offchain_schema: Vec::new(),766 schema_version: SchemaVersion::ImageURL,767 sponsorship: SponsorshipState::Disabled,768 variable_on_chain_schema: Vec::new(),769 const_on_chain_schema: Vec::new(),770 limits,771 };772773 774 <CollectionById<T>>::insert(next_id, new_collection);775776 777 Self::deposit_event(RawEvent::CollectionCreated(next_id, mode.into(), who.clone()));778779 Ok(())780 }781782 783 784 785 786 787 788 789 790 791 #[weight = <T as Config>::WeightInfo::destroy_collection()]792 #[transactional]793 pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {794795 let sender = ensure_signed(origin)?;796 let collection = Self::get_collection(collection_id)?;797 Self::check_owner_permissions(&collection, sender)?;798 if !collection.limits.owner_can_destroy {799 fail!(Error::<T>::NoPermission);800 }801802 <AddressTokens<T>>::remove_prefix(collection_id);803 <Allowances<T>>::remove_prefix(collection_id);804 <Balance<T>>::remove_prefix(collection_id);805 <ItemListIndex>::remove(collection_id);806 <AdminList<T>>::remove(collection_id);807 <CollectionById<T>>::remove(collection_id);808 <WhiteList<T>>::remove_prefix(collection_id);809810 <NftItemList<T>>::remove_prefix(collection_id);811 <FungibleItemList<T>>::remove_prefix(collection_id);812 <ReFungibleItemList<T>>::remove_prefix(collection_id);813814 <NftTransferBasket<T>>::remove_prefix(collection_id);815 <FungibleTransferBasket<T>>::remove_prefix(collection_id);816 <ReFungibleTransferBasket<T>>::remove_prefix(collection_id);817818 <VariableMetaDataBasket<T>>::remove_prefix(collection_id);819820 DestroyedCollectionCount::put(DestroyedCollectionCount::get()821 .checked_add(1)822 .ok_or(Error::<T>::NumOverflow)?);823824 Ok(())825 }826827 828 829 830 831 832 833 834 835 836 837 838 839 #[weight = <T as Config>::WeightInfo::add_to_white_list()]840 #[transactional]841 pub fn add_to_white_list(origin, collection_id: CollectionId, address: T::AccountId) -> DispatchResult{842843 let sender = ensure_signed(origin)?;844 let collection = Self::get_collection(collection_id)?;845 Self::check_owner_or_admin_permissions(&collection, sender)?;846847 <WhiteList<T>>::insert(collection_id, address, true);848 849 Ok(())850 }851852 853 854 855 856 857 858 859 860 861 862 863 864 #[weight = <T as Config>::WeightInfo::remove_from_white_list()]865 #[transactional]866 pub fn remove_from_white_list(origin, collection_id: CollectionId, address: T::AccountId) -> DispatchResult{867868 let sender = ensure_signed(origin)?;869 let collection = Self::get_collection(collection_id)?;870 Self::check_owner_or_admin_permissions(&collection, sender)?;871872 <WhiteList<T>>::remove(collection_id, address);873874 Ok(())875 }876877 878 879 880 881 882 883 884 885 886 887 888 #[weight = <T as Config>::WeightInfo::set_public_access_mode()]889 #[transactional]890 pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult891 {892 let sender = ensure_signed(origin)?;893894 let mut target_collection = Self::get_collection(collection_id)?;895 Self::check_owner_permissions(&target_collection, sender)?;896 target_collection.access = mode;897 Self::save_collection(target_collection);898899 Ok(())900 }901902 903 904 905 906 907 908 909 910 911 912 913 914 915 #[weight = <T as Config>::WeightInfo::set_mint_permission()]916 #[transactional]917 pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult918 {919 let sender = ensure_signed(origin)?;920921 let mut target_collection = Self::get_collection(collection_id)?;922 Self::check_owner_permissions(&target_collection, sender)?;923 target_collection.mint_mode = mint_permission;924 Self::save_collection(target_collection);925926 Ok(())927 }928929 930 931 932 933 934 935 936 937 938 939 940 #[weight = <T as Config>::WeightInfo::change_collection_owner()]941 #[transactional]942 pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {943944 let sender = ensure_signed(origin)?;945 let mut target_collection = Self::get_collection(collection_id)?;946 Self::check_owner_permissions(&target_collection, sender)?;947 target_collection.owner = new_owner;948 Self::save_collection(target_collection);949950 Ok(())951 }952953 954 955 956 957 958 959 960 961 962 963 964 965 966 #[weight = <T as Config>::WeightInfo::add_collection_admin()]967 #[transactional]968 pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::AccountId) -> DispatchResult {969970 let sender = ensure_signed(origin)?;971 let collection = Self::get_collection(collection_id)?;972 Self::check_owner_or_admin_permissions(&collection, sender)?;973 let mut admin_arr = <AdminList<T>>::get(collection_id);974975 match admin_arr.binary_search(&new_admin_id) {976 Ok(_) => {},977 Err(idx) => {978 let limits = ChainLimit::get();979 ensure!(admin_arr.len() < limits.collections_admins_limit as usize, Error::<T>::CollectionAdminsLimitExceeded);980 admin_arr.insert(idx, new_admin_id);981 <AdminList<T>>::insert(collection_id, admin_arr);982 }983 }984 Ok(())985 }986987 988 989 990 991 992 993 994 995 996 997 998 999 #[weight = <T as Config>::WeightInfo::remove_collection_admin()]1000 #[transactional]1001 pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::AccountId) -> DispatchResult {10021003 let sender = ensure_signed(origin)?;1004 let collection = Self::get_collection(collection_id)?;1005 Self::check_owner_or_admin_permissions(&collection, sender)?;1006 let mut admin_arr = <AdminList<T>>::get(collection_id);10071008 match admin_arr.binary_search(&account_id) {1009 Ok(idx) => {1010 admin_arr.remove(idx);1011 <AdminList<T>>::insert(collection_id, admin_arr);1012 },1013 Err(_) => {}1014 }1015 Ok(())1016 }10171018 1019 1020 1021 1022 1023 1024 1025 1026 1027 #[weight = <T as Config>::WeightInfo::set_collection_sponsor()]1028 #[transactional]1029 pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {10301031 let sender = ensure_signed(origin)?;1032 let mut target_collection = Self::get_collection(collection_id)?;1033 Self::check_owner_permissions(&target_collection, sender)?;10341035 target_collection.sponsorship = SponsorshipState::Unconfirmed(new_sponsor);1036 Self::save_collection(target_collection);10371038 Ok(())1039 }10401041 1042 1043 1044 1045 1046 1047 1048 #[weight = <T as Config>::WeightInfo::confirm_sponsorship()]1049 #[transactional]1050 pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {10511052 let sender = ensure_signed(origin)?;10531054 let mut target_collection = Self::get_collection(collection_id)?;1055 ensure!(1056 target_collection.sponsorship.pending_sponsor() == Some(&sender),1057 Error::<T>::ConfirmUnsetSponsorFail1058 );10591060 target_collection.sponsorship = SponsorshipState::Confirmed(sender);1061 Self::save_collection(target_collection);10621063 Ok(())1064 }10651066 1067 1068 1069 1070 1071 1072 1073 1074 1075 #[weight = <T as Config>::WeightInfo::remove_collection_sponsor()]1076 #[transactional]1077 pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {10781079 let sender = ensure_signed(origin)?;10801081 let mut target_collection = Self::get_collection(collection_id)?;1082 Self::check_owner_permissions(&target_collection, sender)?;10831084 target_collection.sponsorship = SponsorshipState::Disabled;1085 Self::save_collection(target_collection);10861087 Ok(())1088 }10891090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 11131114 #[weight = <T as Config>::WeightInfo::create_item(data.len())]1115 #[transactional]1116 pub fn create_item(origin, collection_id: CollectionId, owner: T::AccountId, data: CreateItemData) -> DispatchResult {11171118 let sender = ensure_signed(origin)?;11191120 let target_collection = Self::get_collection(collection_id)?;11211122 Self::can_create_items_in_collection(&target_collection, &sender, &owner, 1)?;1123 Self::validate_create_item_args(&target_collection, &data)?;1124 Self::create_item_no_validation(&target_collection, owner, data)?;11251126 Ok(())1127 }11281129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 #[weight = <T as Config>::WeightInfo::create_item(items_data.into_iter()1148 .map(|data| { data.len() })1149 .sum())]1150 #[transactional]1151 pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::AccountId, items_data: Vec<CreateItemData>) -> DispatchResult {11521153 ensure!(items_data.len() > 0, Error::<T>::EmptyArgument);1154 let sender = ensure_signed(origin)?;11551156 let target_collection = Self::get_collection(collection_id)?;11571158 Self::can_create_items_in_collection(&target_collection, &sender, &owner, items_data.len() as u32)?;11591160 for data in &items_data {1161 Self::validate_create_item_args(&target_collection, data)?;1162 }1163 for data in &items_data {1164 Self::create_item_no_validation(&target_collection, owner.clone(), data.clone())?;1165 }11661167 Ok(())1168 }11691170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 #[weight = <T as Config>::WeightInfo::burn_item()]1184 #[transactional]1185 pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {11861187 let sender = ensure_signed(origin)?;11881189 1190 let target_collection = Self::get_collection(collection_id)?;1191 ensure!(1192 Self::is_item_owner(sender.clone(), &target_collection, item_id) ||1193 (1194 target_collection.limits.owner_can_transfer &&1195 Self::is_owner_or_admin_permissions(&target_collection, sender.clone())1196 ),1197 Error::<T>::NoPermission1198 );11991200 if target_collection.access == AccessMode::WhiteList {1201 Self::check_white_list(&target_collection, &sender)?;1202 }12031204 match target_collection.mode1205 {1206 CollectionMode::NFT => Self::burn_nft_item(&target_collection, item_id)?,1207 CollectionMode::Fungible(_) => Self::burn_fungible_item(&sender, &target_collection, value)?,1208 CollectionMode::ReFungible => Self::burn_refungible_item(&target_collection, item_id, &sender)?,1209 _ => ()1210 };12111212 1213 Self::deposit_event(RawEvent::ItemDestroyed(target_collection.id, item_id));12141215 Ok(())1216 }12171218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 #[weight = <T as Config>::WeightInfo::transfer()]1242 #[transactional]1243 pub fn transfer(origin, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {1244 let sender = ensure_signed(origin)?;1245 let collection = Self::get_collection(collection_id)?;12461247 Self::transfer_internal(sender, recipient, &collection, item_id, value)1248 }12491250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 #[weight = <T as Config>::WeightInfo::approve()]1266 #[transactional]1267 pub fn approve(origin, spender: T::AccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResult {12681269 let sender = ensure_signed(origin)?;1270 let target_collection = Self::get_collection(collection_id)?;12711272 Self::token_exists(&target_collection, item_id)?;12731274 1275 let bypasses_limits = target_collection.limits.owner_can_transfer &&1276 Self::is_owner_or_admin_permissions(1277 &target_collection,1278 sender.clone(),1279 );12801281 let allowance_limit = if bypasses_limits {1282 None1283 } else if let Some(amount) = Self::owned_amount(1284 sender.clone(),1285 &target_collection,1286 item_id,1287 ) {1288 Some(amount)1289 } else {1290 fail!(Error::<T>::NoPermission);1291 };12921293 if target_collection.access == AccessMode::WhiteList {1294 Self::check_white_list(&target_collection, &sender)?;1295 Self::check_white_list(&target_collection, &spender)?;1296 }12971298 let allowance: u128 = amount1299 .checked_add(<Allowances<T>>::get(collection_id, (item_id, &sender, &spender)))1300 .ok_or(Error::<T>::NumOverflow)?;1301 if let Some(limit) = allowance_limit {1302 ensure!(limit >= allowance, Error::<T>::TokenValueTooLow);1303 }1304 <Allowances<T>>::insert(collection_id, (item_id, sender.clone(), spender.clone()), allowance);13051306 Self::deposit_event(RawEvent::Approved(target_collection.id, item_id, sender, spender, allowance));1307 Ok(())1308 }1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 #[weight = <T as Config>::WeightInfo::transfer_from()]1330 #[transactional]1331 pub fn transfer_from(origin, from: T::AccountId, recipient: T::AccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResult {13321333 let sender = ensure_signed(origin)?;1334 let target_collection = Self::get_collection(collection_id)?;13351336 1337 let approval: u128 = <Allowances<T>>::get(collection_id, (item_id, &from, &sender));13381339 1340 Self::is_correct_transfer(&target_collection, &recipient)?;13411342 1343 ensure!(1344 approval >= value || 1345 (1346 target_collection.limits.owner_can_transfer &&1347 Self::is_owner_or_admin_permissions(&target_collection, sender.clone())1348 ),1349 Error::<T>::NoPermission1350 );13511352 if target_collection.access == AccessMode::WhiteList {1353 Self::check_white_list(&target_collection, &sender)?;1354 Self::check_white_list(&target_collection, &recipient)?;1355 }13561357 if value == 0 {1358 return Ok(())1359 }13601361 1362 if approval.saturating_sub(value) > 0 {1363 <Allowances<T>>::insert(collection_id, (item_id, &from, &sender), approval - value);1364 }1365 else {1366 <Allowances<T>>::remove(collection_id, (item_id, &from, &sender));1367 }13681369 match target_collection.mode1370 {1371 CollectionMode::NFT => Self::transfer_nft(&target_collection, item_id, from.clone(), recipient.clone())?,1372 CollectionMode::Fungible(_) => Self::transfer_fungible(&target_collection, value, &from, &recipient)?,1373 CollectionMode::ReFungible => Self::transfer_refungible(&target_collection, item_id, value, from.clone(), recipient.clone())?,1374 _ => ()1375 };13761377 Self::deposit_event(RawEvent::Transfer(target_collection.id, item_id, from, recipient, value));1378 Ok(())1379 }13801381 1382 13831384 1385 1386 1387 13881389 13901391 13921393 1394 13951396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 #[weight = <T as Config>::WeightInfo::set_variable_meta_data()]1409 #[transactional]1410 pub fn set_variable_meta_data (1411 origin,1412 collection_id: CollectionId,1413 item_id: TokenId,1414 data: Vec<u8>1415 ) -> DispatchResult {1416 let sender = ensure_signed(origin)?;1417 1418 let target_collection = Self::get_collection(collection_id)?;1419 Self::token_exists(&target_collection, item_id)?;14201421 ensure!(ChainLimit::get().custom_data_limit >= data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);14221423 1424 ensure!(Self::is_item_owner(sender.clone(), &target_collection, item_id) ||1425 Self::is_owner_or_admin_permissions(&target_collection, sender.clone()),1426 Error::<T>::NoPermission);14271428 match target_collection.mode1429 {1430 CollectionMode::NFT => Self::set_nft_variable_data(&target_collection, item_id, data)?,1431 CollectionMode::ReFungible => Self::set_re_fungible_variable_data(&target_collection, item_id, data)?,1432 CollectionMode::Fungible(_) => fail!(Error::<T>::CantStoreMetadataInFungibleTokens),1433 _ => fail!(Error::<T>::UnexpectedCollectionType)1434 };14351436 Ok(())1437 }1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 #[weight = <T as Config>::WeightInfo::set_schema_version()]1454 #[transactional]1455 pub fn set_schema_version(1456 origin,1457 collection_id: CollectionId,1458 version: SchemaVersion1459 ) -> DispatchResult {1460 let sender = ensure_signed(origin)?;1461 let mut target_collection = Self::get_collection(collection_id)?;1462 Self::check_owner_or_admin_permissions(&target_collection, sender.clone())?;1463 target_collection.schema_version = version;1464 Self::save_collection(target_collection);14651466 Ok(())1467 }14681469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 #[weight = <T as Config>::WeightInfo::set_offchain_schema()]1482 #[transactional]1483 pub fn set_offchain_schema(1484 origin,1485 collection_id: CollectionId,1486 schema: Vec<u8>1487 ) -> DispatchResult {1488 let sender = ensure_signed(origin)?;1489 let mut target_collection = Self::get_collection(collection_id)?;1490 Self::check_owner_or_admin_permissions(&target_collection, sender.clone())?;14911492 1493 ensure!(schema.len() as u32 <= ChainLimit::get().offchain_schema_limit, "");14941495 target_collection.offchain_schema = schema;1496 Self::save_collection(target_collection);14971498 Ok(())1499 }15001501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]1514 #[transactional]1515 pub fn set_const_on_chain_schema (1516 origin,1517 collection_id: CollectionId,1518 schema: Vec<u8>1519 ) -> DispatchResult {1520 let sender = ensure_signed(origin)?;1521 let mut target_collection = Self::get_collection(collection_id)?;1522 Self::check_owner_or_admin_permissions(&target_collection, sender.clone())?;15231524 1525 ensure!(schema.len() as u32 <= ChainLimit::get().const_on_chain_schema_limit, "");15261527 target_collection.const_on_chain_schema = schema;1528 Self::save_collection(target_collection);15291530 Ok(())1531 }15321533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]1546 #[transactional]1547 pub fn set_variable_on_chain_schema (1548 origin,1549 collection_id: CollectionId,1550 schema: Vec<u8>1551 ) -> DispatchResult {1552 let sender = ensure_signed(origin)?;1553 let mut target_collection = Self::get_collection(collection_id)?;1554 Self::check_owner_or_admin_permissions(&target_collection, sender.clone())?;15551556 1557 ensure!(schema.len() as u32 <= ChainLimit::get().variable_on_chain_schema_limit, "");15581559 target_collection.variable_on_chain_schema = schema;1560 Self::save_collection(target_collection);15611562 Ok(())1563 }15641565 1566 #[weight = <T as Config>::WeightInfo::set_chain_limits()]1567 #[transactional]1568 pub fn set_chain_limits(1569 origin,1570 limits: ChainLimits1571 ) -> DispatchResult {15721573 #[cfg(not(feature = "runtime-benchmarks"))]1574 ensure_root(origin)?;15751576 <ChainLimit>::put(limits);1577 Ok(())1578 }15791580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 #[weight = <T as Config>::WeightInfo::enable_contract_sponsoring()]1592 #[transactional]1593 pub fn enable_contract_sponsoring(1594 origin,1595 contract_address: T::AccountId,1596 enable: bool1597 ) -> DispatchResult {15981599 let sender = ensure_signed(origin)?;16001601 #[cfg(feature = "runtime-benchmarks")]1602 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());16031604 Self::ensure_contract_owned(sender, &contract_address)?;16051606 <ContractSelfSponsoring<T>>::insert(contract_address, enable);1607 Ok(())1608 }16091610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 #[weight = <T as Config>::WeightInfo::set_contract_sponsoring_rate_limit()]1628 #[transactional]1629 pub fn set_contract_sponsoring_rate_limit(1630 origin,1631 contract_address: T::AccountId,1632 rate_limit: T::BlockNumber1633 ) -> DispatchResult {1634 let sender = ensure_signed(origin)?;16351636 #[cfg(feature = "runtime-benchmarks")]1637 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());16381639 Self::ensure_contract_owned(sender, &contract_address)?;1640 <ContractSponsoringRateLimit<T>>::insert(contract_address, rate_limit);1641 Ok(())1642 }16431644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 #[weight = <T as Config>::WeightInfo::toggle_contract_white_list()]1656 #[transactional]1657 pub fn toggle_contract_white_list(1658 origin,1659 contract_address: T::AccountId,1660 enable: bool1661 ) -> DispatchResult {1662 let sender = ensure_signed(origin)?;16631664 #[cfg(feature = "runtime-benchmarks")]1665 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());16661667 Self::ensure_contract_owned(sender, &contract_address)?;1668 if enable {1669 <ContractWhiteListEnabled<T>>::insert(contract_address, true);1670 } else {1671 <ContractWhiteListEnabled<T>>::remove(contract_address);1672 }1673 Ok(())1674 }1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 #[weight = <T as Config>::WeightInfo::add_to_contract_white_list()]1688 #[transactional]1689 pub fn add_to_contract_white_list(1690 origin,1691 contract_address: T::AccountId,1692 account_address: T::AccountId1693 ) -> DispatchResult {1694 let sender = ensure_signed(origin)?;16951696 #[cfg(feature = "runtime-benchmarks")]1697 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());1698 1699 Self::ensure_contract_owned(sender, &contract_address)?; 1700 <ContractWhiteList<T>>::insert(contract_address, account_address, true);1701 Ok(())1702 }17031704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 #[weight = <T as Config>::WeightInfo::remove_from_contract_white_list()]1716 #[transactional]1717 pub fn remove_from_contract_white_list(1718 origin,1719 contract_address: T::AccountId,1720 account_address: T::AccountId1721 ) -> DispatchResult {1722 let sender = ensure_signed(origin)?;17231724 #[cfg(feature = "runtime-benchmarks")]1725 <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());17261727 Self::ensure_contract_owned(sender, &contract_address)?;1728 <ContractWhiteList<T>>::remove(contract_address, account_address);1729 Ok(())1730 }17311732 #[weight = <T as Config>::WeightInfo::set_collection_limits()]1733 #[transactional]1734 pub fn set_collection_limits(1735 origin,1736 collection_id: u32,1737 new_limits: CollectionLimits<T::BlockNumber>,1738 ) -> DispatchResult {1739 let sender = ensure_signed(origin)?;1740 let mut target_collection = Self::get_collection(collection_id)?;1741 Self::check_owner_permissions(&target_collection, sender.clone())?;1742 let old_limits = &target_collection.limits;1743 let chain_limits = ChainLimit::get();17441745 1746 ensure!(new_limits.sponsor_transfer_timeout <= MAX_SPONSOR_TIMEOUT &&1747 new_limits.account_token_ownership_limit <= MAX_TOKEN_OWNERSHIP && 1748 new_limits.sponsored_data_size <= chain_limits.custom_data_limit,1749 Error::<T>::CollectionLimitBoundsExceeded);17501751 1752 ensure!(old_limits.token_limit >= new_limits.token_limit, Error::<T>::CollectionTokenLimitExceeded);1753 ensure!(new_limits.token_limit > 0, Error::<T>::CollectionTokenLimitExceeded);17541755 ensure!(1756 (old_limits.owner_can_transfer || !new_limits.owner_can_transfer) &&1757 (old_limits.owner_can_destroy || !new_limits.owner_can_destroy),1758 Error::<T>::OwnerPermissionsCantBeReverted,1759 );17601761 target_collection.limits = new_limits;1762 Self::save_collection(target_collection);17631764 Ok(())1765 } 1766 }1767}17681769impl<T: Config> Module<T> {17701771 pub fn transfer_internal(sender: T::AccountId, recipient: T::AccountId, target_collection: &CollectionHandle<T>, item_id: TokenId, value: u128) -> DispatchResult {1772 1773 Self::is_correct_transfer(target_collection, &recipient)?;17741775 1776 ensure!(Self::is_item_owner(sender.clone(), target_collection, item_id) ||1777 Self::is_owner_or_admin_permissions(target_collection, sender.clone()),1778 Error::<T>::NoPermission);17791780 if target_collection.access == AccessMode::WhiteList {1781 Self::check_white_list(target_collection, &sender)?;1782 Self::check_white_list(target_collection, &recipient)?;1783 }17841785 match target_collection.mode1786 {1787 CollectionMode::NFT => Self::transfer_nft(target_collection, item_id, sender.clone(), recipient.clone())?,1788 CollectionMode::Fungible(_) => Self::transfer_fungible(target_collection, value, &sender, &recipient)?,1789 CollectionMode::ReFungible => Self::transfer_refungible(target_collection, item_id, value, sender.clone(), recipient.clone())?,1790 _ => ()1791 };17921793 Self::deposit_event(RawEvent::Transfer(target_collection.id, item_id, sender, recipient, value));17941795 Ok(())1796 }179717981799 fn is_correct_transfer(collection: &CollectionHandle<T>, recipient: &T::AccountId) -> DispatchResult {1800 let collection_id = collection.id;18011802 1803 let account_items: u32 = <AddressTokens<T>>::get(collection_id, recipient).len() as u32;1804 ensure!(collection.limits.account_token_ownership_limit > account_items, Error::<T>::AccountTokenLimitExceeded);1805 1806 Ok(())1807 }18081809 fn can_create_items_in_collection(collection: &CollectionHandle<T>, sender: &T::AccountId, owner: &T::AccountId, amount: u32) -> DispatchResult {1810 let collection_id = collection.id;18111812 1813 let total_items: u32 = ItemListIndex::get(collection_id)1814 .checked_add(amount)1815 .ok_or(Error::<T>::CollectionTokenLimitExceeded)?;1816 let account_items: u32 = (<AddressTokens<T>>::get(collection_id, owner).len() as u32)1817 .checked_add(amount)1818 .ok_or(Error::<T>::AccountTokenLimitExceeded)?;1819 ensure!(collection.limits.token_limit >= total_items, Error::<T>::CollectionTokenLimitExceeded);1820 ensure!(collection.limits.account_token_ownership_limit >= account_items, Error::<T>::AccountTokenLimitExceeded);18211822 if !Self::is_owner_or_admin_permissions(collection, sender.clone()) {1823 ensure!(collection.mint_mode == true, Error::<T>::PublicMintingNotAllowed);1824 Self::check_white_list(collection, owner)?;1825 Self::check_white_list(collection, sender)?;1826 }18271828 Ok(())1829 }18301831 fn validate_create_item_args(target_collection: &CollectionHandle<T>, data: &CreateItemData) -> DispatchResult {1832 match target_collection.mode1833 {1834 CollectionMode::NFT => {1835 if let CreateItemData::NFT(data) = data {1836 1837 ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);1838 ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);1839 } else {1840 fail!(Error::<T>::NotNftDataUsedToMintNftCollectionToken);1841 }1842 },1843 CollectionMode::Fungible(_) => {1844 if let CreateItemData::Fungible(_) = data {1845 } else {1846 fail!(Error::<T>::NotFungibleDataUsedToMintFungibleCollectionToken);1847 }1848 },1849 CollectionMode::ReFungible => {1850 if let CreateItemData::ReFungible(data) = data {18511852 1853 ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);1854 ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);18551856 1857 ensure!(data.pieces <= MAX_REFUNGIBLE_PIECES, Error::<T>::WrongRefungiblePieces);1858 ensure!(data.pieces > 0, Error::<T>::WrongRefungiblePieces);1859 } else {1860 fail!(Error::<T>::NotReFungibleDataUsedToMintReFungibleCollectionToken);1861 }1862 },1863 _ => { fail!(Error::<T>::UnexpectedCollectionType); }1864 };18651866 Ok(())1867 }18681869 fn create_item_no_validation(collection: &CollectionHandle<T>, owner: T::AccountId, data: CreateItemData) -> DispatchResult {1870 match data1871 {1872 CreateItemData::NFT(data) => {1873 let item = NftItemType {1874 owner: owner.clone(),1875 const_data: data.const_data,1876 variable_data: data.variable_data1877 };18781879 Self::add_nft_item(collection, item)?;1880 },1881 CreateItemData::Fungible(data) => {1882 Self::add_fungible_item(collection, &owner, data.value)?;1883 },1884 CreateItemData::ReFungible(data) => {1885 let mut owner_list = Vec::new();1886 owner_list.push(Ownership {owner: owner.clone(), fraction: data.pieces});18871888 let item = ReFungibleItemType {1889 owner: owner_list,1890 const_data: data.const_data,1891 variable_data: data.variable_data1892 };18931894 Self::add_refungible_item(collection, item)?;1895 }1896 };18971898 Ok(())1899 }19001901 fn add_fungible_item(collection: &CollectionHandle<T>, owner: &T::AccountId, value: u128) -> DispatchResult {1902 let collection_id = collection.id;19031904 1905 let balance: u128 = <FungibleItemList<T>>::get(collection_id, owner).value;19061907 1908 let item = FungibleItemType {1909 value: balance.checked_add(value).ok_or(Error::<T>::NumOverflow)?,1910 };1911 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), item);19121913 1914 let new_balance = <Balance<T>>::get(collection_id, owner)1915 .checked_add(value)1916 .ok_or(Error::<T>::NumOverflow)?;1917 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);19181919 Self::deposit_event(RawEvent::ItemCreated(collection_id, 0, owner.clone()));1920 Ok(())1921 }19221923 fn add_refungible_item(collection: &CollectionHandle<T>, item: ReFungibleItemType<T::AccountId>) -> DispatchResult {1924 let collection_id = collection.id;19251926 let current_index = <ItemListIndex>::get(collection_id)1927 .checked_add(1)1928 .ok_or(Error::<T>::NumOverflow)?;1929 let itemcopy = item.clone();19301931 ensure!(1932 item.owner.len() == 1,1933 Error::<T>::BadCreateRefungibleCall,1934 );1935 let item_owner = item.owner.first().expect("only one owner is defined");19361937 let value = item_owner.fraction;1938 let owner = item_owner.owner.clone();19391940 Self::add_token_index(collection_id, current_index, &owner)?;19411942 <ItemListIndex>::insert(collection_id, current_index);1943 <ReFungibleItemList<T>>::insert(collection_id, current_index, itemcopy);19441945 1946 let new_balance = <Balance<T>>::get(collection_id, &owner)1947 .checked_add(value)1948 .ok_or(Error::<T>::NumOverflow)?;1949 <Balance<T>>::insert(collection_id, owner.clone(), new_balance);19501951 Self::deposit_event(RawEvent::ItemCreated(collection_id, current_index, owner));1952 Ok(())1953 }19541955 fn add_nft_item(collection: &CollectionHandle<T>, item: NftItemType<T::AccountId>) -> DispatchResult {1956 let collection_id = collection.id;19571958 let current_index = <ItemListIndex>::get(collection_id)1959 .checked_add(1)1960 .ok_or(Error::<T>::NumOverflow)?;19611962 let item_owner = item.owner.clone();1963 Self::add_token_index(collection_id, current_index, &item.owner)?;19641965 <ItemListIndex>::insert(collection_id, current_index);1966 <NftItemList<T>>::insert(collection_id, current_index, item);19671968 1969 let new_balance = <Balance<T>>::get(collection_id, item_owner.clone())1970 .checked_add(1)1971 .ok_or(Error::<T>::NumOverflow)?;1972 <Balance<T>>::insert(collection_id, item_owner.clone(), new_balance);19731974 Self::deposit_event(RawEvent::ItemCreated(collection_id, current_index, item_owner));1975 Ok(())1976 }19771978 fn burn_refungible_item(1979 collection: &CollectionHandle<T>,1980 item_id: TokenId,1981 owner: &T::AccountId,1982 ) -> DispatchResult {1983 let collection_id = collection.id;19841985 let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id)1986 .ok_or(Error::<T>::TokenNotFound)?;1987 let rft_balance = token1988 .owner1989 .iter()1990 .find(|&i| i.owner == *owner)1991 .ok_or(Error::<T>::TokenNotFound)?;1992 Self::remove_token_index(collection_id, item_id, owner)?;19931994 1995 let new_balance = <Balance<T>>::get(collection_id, rft_balance.owner.clone())1996 .checked_sub(rft_balance.fraction)1997 .ok_or(Error::<T>::NumOverflow)?;1998 <Balance<T>>::insert(collection_id, rft_balance.owner.clone(), new_balance);19992000 2001 let index = token2002 .owner2003 .iter()2004 .position(|i| i.owner == *owner)2005 .expect("owned item is exists");2006 token.owner.remove(index);2007 let owner_count = token.owner.len();20082009 2010 if owner_count == 0 {2011 <ReFungibleItemList<T>>::remove(collection_id, item_id);2012 <VariableMetaDataBasket<T>>::remove(collection_id, item_id);2013 }2014 else {2015 <ReFungibleItemList<T>>::insert(collection_id, item_id, token);2016 }20172018 Ok(())2019 }20202021 fn burn_nft_item(collection: &CollectionHandle<T>, item_id: TokenId) -> DispatchResult {2022 let collection_id = collection.id;20232024 let item = <NftItemList<T>>::get(collection_id, item_id)2025 .ok_or(Error::<T>::TokenNotFound)?;2026 Self::remove_token_index(collection_id, item_id, &item.owner)?;20272028 2029 let new_balance = <Balance<T>>::get(collection_id, &item.owner)2030 .checked_sub(1)2031 .ok_or(Error::<T>::NumOverflow)?;2032 <Balance<T>>::insert(collection_id, item.owner.clone(), new_balance);2033 <NftItemList<T>>::remove(collection_id, item_id);2034 <VariableMetaDataBasket<T>>::remove(collection_id, item_id);20352036 Ok(())2037 }20382039 fn burn_fungible_item(owner: &T::AccountId, collection: &CollectionHandle<T>, value: u128) -> DispatchResult {2040 let collection_id = collection.id;20412042 let mut balance = <FungibleItemList<T>>::get(collection_id, owner);2043 ensure!(balance.value >= value, Error::<T>::TokenValueNotEnough);20442045 2046 let new_balance = <Balance<T>>::get(collection_id, owner)2047 .checked_sub(value)2048 .ok_or(Error::<T>::NumOverflow)?;2049 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);20502051 if balance.value - value > 0 {2052 balance.value -= value;2053 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), balance);2054 }2055 else {2056 <FungibleItemList<T>>::remove(collection_id, owner);2057 }20582059 Ok(())2060 }20612062 pub fn get_collection(collection_id: CollectionId) -> Result<CollectionHandle<T>, sp_runtime::DispatchError> {2063 Ok(<CollectionById<T>>::get(collection_id)2064 .map(|collection| CollectionHandle {2065 id: collection_id,2066 collection2067 })2068 .ok_or(Error::<T>::CollectionNotFound)?)2069 }20702071 fn save_collection(collection: CollectionHandle<T>) {2072 <CollectionById<T>>::insert(collection.id, collection.collection);2073 }20742075 fn check_owner_permissions(target_collection: &CollectionHandle<T>, subject: T::AccountId) -> DispatchResult {2076 ensure!(2077 subject == target_collection.owner,2078 Error::<T>::NoPermission2079 );20802081 Ok(())2082 }20832084 fn is_owner_or_admin_permissions(collection: &CollectionHandle<T>, subject: T::AccountId) -> bool {2085 subject == collection.owner || <AdminList<T>>::get(collection.id).contains(&subject)2086 }20872088 fn check_owner_or_admin_permissions(2089 collection: &CollectionHandle<T>,2090 subject: T::AccountId,2091 ) -> DispatchResult {2092 ensure!(Self::is_owner_or_admin_permissions(collection, subject), Error::<T>::NoPermission);20932094 Ok(())2095 }20962097 fn owned_amount(2098 subject: T::AccountId,2099 target_collection: &CollectionHandle<T>,2100 item_id: TokenId,2101 ) -> Option<u128> {2102 let collection_id = target_collection.id;21032104 match target_collection.mode {2105 CollectionMode::NFT => (<NftItemList<T>>::get(collection_id, item_id)?.owner == subject)2106 .then(|| 1),2107 CollectionMode::Fungible(_) => Some(<FungibleItemList<T>>::get(collection_id, &subject)2108 .value),2109 CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)?2110 .owner2111 .iter()2112 .find(|i| i.owner == subject)2113 .map(|i| i.fraction),2114 CollectionMode::Invalid => None,2115 }2116 }21172118 fn is_item_owner(subject: T::AccountId, target_collection: &CollectionHandle<T>, item_id: TokenId) -> bool {2119 match target_collection.mode {2120 CollectionMode::Fungible(_) => true,2121 _ => Self::owned_amount(subject, target_collection, item_id).is_some(),2122 }2123 }21242125 fn check_white_list(collection: &CollectionHandle<T>, address: &T::AccountId) -> DispatchResult {2126 let collection_id = collection.id;21272128 let mes = Error::<T>::AddresNotInWhiteList;2129 ensure!(<WhiteList<T>>::contains_key(collection_id, address), mes);21302131 Ok(())2132 }21332134 2135 2136 fn token_exists(2137 target_collection: &CollectionHandle<T>,2138 item_id: TokenId,2139 ) -> DispatchResult {2140 let collection_id = target_collection.id;2141 let exists = match target_collection.mode2142 {2143 CollectionMode::NFT => <NftItemList<T>>::contains_key(collection_id, item_id),2144 CollectionMode::Fungible(_) => true,2145 CollectionMode::ReFungible => <ReFungibleItemList<T>>::contains_key(collection_id, item_id),2146 _ => false2147 };21482149 ensure!(exists == true, Error::<T>::TokenNotFound);2150 Ok(())2151 }21522153 fn transfer_fungible(2154 collection: &CollectionHandle<T>,2155 value: u128,2156 owner: &T::AccountId,2157 recipient: &T::AccountId,2158 ) -> DispatchResult {2159 let collection_id = collection.id;21602161 let mut balance = <FungibleItemList<T>>::get(collection_id, owner);2162 ensure!(balance.value >= value, Error::<T>::TokenValueTooLow);21632164 2165 Self::add_fungible_item(collection, recipient, value)?;21662167 2168 <Balance<T>>::insert(collection_id, (*owner).clone(), balance.value - value);21692170 2171 if balance.value == value {2172 <FungibleItemList<T>>::remove(collection_id, owner);2173 }2174 else {2175 balance.value -= value;2176 <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), balance);2177 }21782179 Ok(())2180 }21812182 fn transfer_refungible(2183 collection: &CollectionHandle<T>,2184 item_id: TokenId,2185 value: u128,2186 owner: T::AccountId,2187 new_owner: T::AccountId,2188 ) -> DispatchResult {2189 let collection_id = collection.id;2190 let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id)2191 .ok_or(Error::<T>::TokenNotFound)?;21922193 let item = full_item2194 .owner2195 .iter()2196 .filter(|i| i.owner == owner)2197 .next()2198 .ok_or(Error::<T>::TokenNotFound)?;2199 let amount = item.fraction;22002201 ensure!(amount >= value, Error::<T>::TokenValueTooLow);22022203 2204 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.clone())2205 .checked_sub(value)2206 .ok_or(Error::<T>::NumOverflow)?;2207 <Balance<T>>::insert(collection_id, item.owner.clone(), balance_old_owner);22082209 let balance_new_owner = <Balance<T>>::get(collection_id, new_owner.clone())2210 .checked_add(value)2211 .ok_or(Error::<T>::NumOverflow)?;2212 <Balance<T>>::insert(collection_id, new_owner.clone(), balance_new_owner);22132214 let old_owner = item.owner.clone();2215 let new_owner_has_account = full_item.owner.iter().any(|i| i.owner == new_owner);22162217 2218 if amount == value && !new_owner_has_account {2219 2220 2221 let mut new_full_item = full_item.clone();2222 new_full_item2223 .owner2224 .iter_mut()2225 .find(|i| i.owner == owner)2226 .expect("old owner does present in refungible")2227 .owner = new_owner.clone();2228 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);22292230 2231 Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;2232 } else {2233 let mut new_full_item = full_item.clone();2234 new_full_item2235 .owner2236 .iter_mut()2237 .find(|i| i.owner == owner)2238 .expect("old owner does present in refungible")2239 .fraction -= value;22402241 2242 if new_owner_has_account {2243 2244 new_full_item2245 .owner2246 .iter_mut()2247 .find(|i| i.owner == new_owner)2248 .expect("new owner has account")2249 .fraction += value;2250 } else {2251 2252 new_full_item.owner.push(Ownership {2253 owner: new_owner.clone(),2254 fraction: value,2255 });2256 Self::add_token_index(collection_id, item_id, &new_owner)?;2257 }22582259 <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);2260 }22612262 Ok(())2263 }22642265 fn transfer_nft(2266 collection: &CollectionHandle<T>,2267 item_id: TokenId,2268 sender: T::AccountId,2269 new_owner: T::AccountId,2270 ) -> DispatchResult {2271 let collection_id = collection.id;2272 let mut item = <NftItemList<T>>::get(collection_id, item_id)2273 .ok_or(Error::<T>::TokenNotFound)?;22742275 ensure!(2276 sender == item.owner,2277 Error::<T>::MustBeTokenOwner2278 );22792280 2281 let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.clone())2282 .checked_sub(1)2283 .ok_or(Error::<T>::NumOverflow)?;2284 <Balance<T>>::insert(collection_id, item.owner.clone(), balance_old_owner);22852286 let balancenew_owner = <Balance<T>>::get(collection_id, new_owner.clone())2287 .checked_add(1)2288 .ok_or(Error::<T>::NumOverflow)?;2289 <Balance<T>>::insert(collection_id, new_owner.clone(), balancenew_owner);22902291 2292 let old_owner = item.owner.clone();2293 item.owner = new_owner.clone();2294 <NftItemList<T>>::insert(collection_id, item_id, item);22952296 2297 Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;22982299 Ok(())2300 }2301 2302 fn set_re_fungible_variable_data(2303 collection: &CollectionHandle<T>,2304 item_id: TokenId,2305 data: Vec<u8>2306 ) -> DispatchResult {2307 let collection_id = collection.id;2308 let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id)2309 .ok_or(Error::<T>::TokenNotFound)?;23102311 item.variable_data = data;23122313 <ReFungibleItemList<T>>::insert(collection_id, item_id, item);23142315 Ok(())2316 }23172318 fn set_nft_variable_data(2319 collection: &CollectionHandle<T>,2320 item_id: TokenId,2321 data: Vec<u8>2322 ) -> DispatchResult {2323 let collection_id = collection.id;2324 let mut item = <NftItemList<T>>::get(collection_id, item_id)2325 .ok_or(Error::<T>::TokenNotFound)?;2326 2327 item.variable_data = data;23282329 <NftItemList<T>>::insert(collection_id, item_id, item);2330 2331 Ok(())2332 }23332334 fn init_collection(item: &Collection<T>) {2335 2336 assert!(2337 item.decimal_points <= MAX_DECIMAL_POINTS,2338 "decimal_points parameter must be lower than MAX_DECIMAL_POINTS"2339 );2340 assert!(2341 item.name.len() <= 64,2342 "Collection name can not be longer than 63 char"2343 );2344 assert!(2345 item.name.len() <= 256,2346 "Collection description can not be longer than 255 char"2347 );2348 assert!(2349 item.token_prefix.len() <= 16,2350 "Token prefix can not be longer than 15 char"2351 );23522353 2354 let next_id = CreatedCollectionCount::get()2355 .checked_add(1)2356 .unwrap();23572358 CreatedCollectionCount::put(next_id);2359 }23602361 fn init_nft_token(collection_id: CollectionId, item: &NftItemType<T::AccountId>) {2362 let current_index = <ItemListIndex>::get(collection_id)2363 .checked_add(1)2364 .unwrap();23652366 let item_owner = item.owner.clone();2367 Self::add_token_index(collection_id, current_index, &item.owner).unwrap();23682369 <ItemListIndex>::insert(collection_id, current_index);23702371 2372 let new_balance = <Balance<T>>::get(collection_id, &item_owner)2373 .checked_add(1)2374 .unwrap();2375 <Balance<T>>::insert(collection_id, item_owner.clone(), new_balance);2376 }23772378 fn init_fungible_token(collection_id: CollectionId, owner: &T::AccountId, item: &FungibleItemType) {2379 let current_index = <ItemListIndex>::get(collection_id)2380 .checked_add(1)2381 .unwrap();23822383 Self::add_token_index(collection_id, current_index, owner).unwrap();23842385 <ItemListIndex>::insert(collection_id, current_index);23862387 2388 let new_balance = <Balance<T>>::get(collection_id, owner)2389 .checked_add(item.value)2390 .unwrap();2391 <Balance<T>>::insert(collection_id, (*owner).clone(), new_balance);2392 }23932394 fn init_refungible_token(collection_id: CollectionId, item: &ReFungibleItemType<T::AccountId>) {2395 let current_index = <ItemListIndex>::get(collection_id)2396 .checked_add(1)2397 .unwrap();23982399 let value = item.owner.first().unwrap().fraction;2400 let owner = item.owner.first().unwrap().owner.clone();24012402 Self::add_token_index(collection_id, current_index, &owner).unwrap();24032404 <ItemListIndex>::insert(collection_id, current_index);24052406 2407 let new_balance = <Balance<T>>::get(collection_id, &owner)2408 .checked_add(value)2409 .unwrap();2410 <Balance<T>>::insert(collection_id, owner.clone(), new_balance);2411 }24122413 fn add_token_index(collection_id: CollectionId, item_index: TokenId, owner: &T::AccountId) -> DispatchResult {2414 2415 if <AccountItemCount<T>>::contains_key(owner) {24162417 2418 let count = <AccountItemCount<T>>::get(owner);2419 ensure!(count < ChainLimit::get().account_token_ownership_limit, Error::<T>::AddressOwnershipLimitExceeded);24202421 <AccountItemCount<T>>::insert(owner.clone(), count2422 .checked_add(1)2423 .ok_or(Error::<T>::NumOverflow)?);2424 }2425 else {2426 <AccountItemCount<T>>::insert(owner.clone(), 1);2427 }24282429 let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner);2430 if list_exists {2431 let mut list = <AddressTokens<T>>::get(collection_id, owner);2432 let item_contains = list.contains(&item_index.clone());24332434 if !item_contains {2435 list.push(item_index.clone());2436 }24372438 <AddressTokens<T>>::insert(collection_id, owner.clone(), list);2439 } else {2440 let mut itm = Vec::new();2441 itm.push(item_index.clone());2442 <AddressTokens<T>>::insert(collection_id, owner.clone(), itm);2443 }24442445 Ok(())2446 }24472448 fn remove_token_index(2449 collection_id: CollectionId,2450 item_index: TokenId,2451 owner: &T::AccountId,2452 ) -> DispatchResult {24532454 2455 <AccountItemCount<T>>::insert(owner.clone(), 2456 <AccountItemCount<T>>::get(owner)2457 .checked_sub(1)2458 .ok_or(Error::<T>::NumOverflow)?);245924602461 let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner);2462 if list_exists {2463 let mut list = <AddressTokens<T>>::get(collection_id, owner);2464 let item_contains = list.contains(&item_index.clone());24652466 if item_contains {2467 list.retain(|&item| item != item_index);2468 <AddressTokens<T>>::insert(collection_id, owner.clone(), list);2469 }2470 }24712472 Ok(())2473 }24742475 fn move_token_index(2476 collection_id: CollectionId,2477 item_index: TokenId,2478 old_owner: &T::AccountId,2479 new_owner: &T::AccountId,2480 ) -> DispatchResult {2481 Self::remove_token_index(collection_id, item_index, old_owner)?;2482 Self::add_token_index(collection_id, item_index, new_owner)?;24832484 Ok(())2485 }2486 2487 fn ensure_contract_owned(account: T::AccountId, contract: &T::AccountId) -> DispatchResult {2488 ensure!(<ContractOwner<T>>::get(contract) == Some(account), Error::<T>::NoPermission);24892490 Ok(())2491 }2492}2493249424952496249724982499pub type Multiplier = FixedU128;25002501type BalanceOf<T> = <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::Balance;2502250325042505#[derive(Encode, Decode, Clone, Eq, PartialEq)]2506pub struct ChargeTransactionPayment<T: Config>(#[codec(compact)] BalanceOf<T>);25072508impl<T: Config + Send + Sync> sp_std::fmt::Debug 2509 for ChargeTransactionPayment<T>2510{2511 #[cfg(feature = "std")]2512 fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {2513 write!(f, "ChargeTransactionPayment<{:?}>", self.0)2514 }2515 #[cfg(not(feature = "std"))]2516 fn fmt(&self, _: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {2517 Ok(())2518 }2519}25202521impl<T: Config> ChargeTransactionPayment<T>2522where2523 T::Call: Dispatchable<Info=DispatchInfo, PostInfo=PostDispatchInfo> + IsSubType<Call<T>> + IsSubType<pallet_contracts::Call<T>>,2524 BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,2525 T::AccountId: AsRef<[u8]>,2526 T::AccountId: UncheckedFrom<T::Hash>,2527{2528 fn traditional_fee(2529 len: usize,2530 info: &DispatchInfoOf<T::Call>,2531 tip: BalanceOf<T>,2532 ) -> BalanceOf<T>2533 where2534 T::Call: Dispatchable<Info = DispatchInfo>,2535 {2536 <pallet_transaction_payment::Module<T>>::compute_fee(len as u32, info, tip)2537 }25382539 fn get_priority(len: usize, info: &DispatchInfoOf<T::Call>, final_fee: BalanceOf<T>) -> TransactionPriority {2540 let weight_saturation = T::BlockWeights::get().max_block / info.weight.max(1);2541 let max_block_length = *T::BlockLength::get().max.get(DispatchClass::Normal);2542 let len_saturation = max_block_length as u64 / (len as u64).max(1);2543 let coefficient: BalanceOf<T> = weight_saturation2544 .min(len_saturation)2545 .saturated_into::<BalanceOf<T>>();2546 final_fee2547 .saturating_mul(coefficient)2548 .saturated_into::<TransactionPriority>()2549 }25502551 fn withdraw_fee(2552 &self,2553 who: &T::AccountId,2554 call: &T::Call,2555 info: &DispatchInfoOf<T::Call>,2556 len: usize,2557 ) -> Result<2558 (2559 BalanceOf<T>,2560 <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,2561 ),2562 TransactionValidityError,2563 > {2564 let tip = self.0;25652566 let fee = Self::traditional_fee(len, info, tip);25672568 2569 if fee.is_zero() {2570 return <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::withdraw_fee(who, call, info, fee, tip)2571 .map(|i| (fee, i));2572 }25732574 2575 2576 let mut sponsor: Option<T::AccountId> = (|| match IsSubType::<Call<T>>::is_sub_type(call) {2577 Some(Call::create_item(collection_id, _owner, _properties)) => {2578 let collection = <CollectionById<T>>::get(collection_id)?;25792580 2581 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;25822583 let limit = collection.limits.sponsor_transfer_timeout;2584 if <CreateItemBasket<T>>::contains_key((collection_id, &who)) {2585 let last_tx_block = <CreateItemBasket<T>>::get((collection_id, &who));2586 let limit_time = last_tx_block + limit.into();2587 if block_number <= limit_time {2588 return None;2589 }2590 }2591 <CreateItemBasket<T>>::insert((collection_id, who.clone()), block_number);25922593 2594 if collection.limits.sponsored_data_size >= (_properties.len() as u32) {2595 collection.sponsorship.sponsor()2596 .cloned()2597 } else {2598 None2599 }2600 }2601 Some(Call::transfer(_new_owner, collection_id, item_id, _value)) => {2602 let collection = <CollectionById<T>>::get(collection_id)?;2603 2604 let mut sponsor_transfer = false;2605 if collection.sponsorship.confirmed() {26062607 let collection_limits = collection.limits;2608 let collection_mode = collection.mode;2609 2610 2611 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2612 sponsor_transfer = match collection_mode {2613 CollectionMode::NFT => {2614 2615 2616 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2617 collection_limits.sponsor_transfer_timeout2618 } else {2619 ChainLimit::get().nft_sponsor_transfer_timeout2620 };2621 2622 let mut sponsored = true;2623 if <NftTransferBasket<T>>::contains_key(collection_id, item_id) {2624 let last_tx_block = <NftTransferBasket<T>>::get(collection_id, item_id);2625 let limit_time = last_tx_block + limit.into();2626 if block_number <= limit_time {2627 sponsored = false;2628 }2629 }2630 if sponsored {2631 <NftTransferBasket<T>>::insert(collection_id, item_id, block_number);2632 }26332634 sponsored2635 }2636 CollectionMode::Fungible(_) => {2637 2638 2639 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2640 collection_limits.sponsor_transfer_timeout2641 } else {2642 ChainLimit::get().fungible_sponsor_transfer_timeout2643 };2644 2645 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2646 let mut sponsored = true;2647 if <FungibleTransferBasket<T>>::contains_key(collection_id, who) {2648 let last_tx_block = <FungibleTransferBasket<T>>::get(collection_id, who);2649 let limit_time = last_tx_block + limit.into();2650 if block_number <= limit_time {2651 sponsored = false;2652 }2653 }2654 if sponsored {2655 <FungibleTransferBasket<T>>::insert(collection_id, who, block_number);2656 }26572658 sponsored2659 }2660 CollectionMode::ReFungible => {2661 2662 2663 let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {2664 collection_limits.sponsor_transfer_timeout2665 } else {2666 ChainLimit::get().refungible_sponsor_transfer_timeout2667 };2668 2669 let mut sponsored = true;2670 if <ReFungibleTransferBasket<T>>::contains_key(collection_id, item_id) {2671 let last_tx_block = <ReFungibleTransferBasket<T>>::get(collection_id, item_id);2672 let limit_time = last_tx_block + limit.into();2673 if block_number <= limit_time {2674 sponsored = false;2675 }2676 }2677 if sponsored {2678 <ReFungibleTransferBasket<T>>::insert(collection_id, item_id, block_number);2679 }26802681 sponsored2682 }2683 _ => {2684 false2685 },2686 };2687 }26882689 if !sponsor_transfer {2690 None2691 } else {2692 collection.sponsorship.sponsor()2693 .cloned()2694 }2695 }26962697 Some(Call::set_variable_meta_data(collection_id, item_id, data)) => {2698 let mut sponsor_metadata_changes = false;26992700 let collection = <CollectionById<T>>::get(collection_id)?;27012702 if2703 collection.sponsorship.confirmed() &&2704 2705 2706 !matches!(collection.mode, CollectionMode::Fungible(_)) &&2707 data.len() <= collection.limits.sponsored_data_size as usize2708 {2709 if let Some(rate_limit) = collection.limits.sponsored_data_rate_limit {2710 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;27112712 if <VariableMetaDataBasket<T>>::get(collection_id, item_id)2713 .map(|last_block| block_number - last_block > rate_limit)2714 .unwrap_or(true) 2715 {2716 sponsor_metadata_changes = true;2717 <VariableMetaDataBasket<T>>::insert(collection_id, item_id, block_number);2718 }2719 }2720 }27212722 if !sponsor_metadata_changes {2723 None2724 } else {2725 collection.sponsorship.sponsor().cloned()2726 }2727 }27282729 _ => None,2730 })();27312732 match IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call) {2733 Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) => {27342735 let called_contract: T::AccountId = T::Lookup::lookup((*dest).clone()).unwrap_or(T::AccountId::default());27362737 let owned_contract = <ContractOwner<T>>::get(called_contract.clone()).as_ref() == Some(who);2738 let white_list_enabled = <ContractWhiteListEnabled<T>>::contains_key(called_contract.clone());2739 2740 if !owned_contract && white_list_enabled {2741 if !<ContractWhiteList<T>>::contains_key(called_contract.clone(), who) {2742 return Err(InvalidTransaction::Call.into());2743 }2744 }2745 },2746 _ => {},2747 }27482749 2750 sponsor = sponsor.or_else(|| match IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call) {27512752 2753 Some(pallet_contracts::Call::instantiate(_endowment, _gas_limit, code_hash, _data, salt)) => {27542755 let new_contract_address = <pallet_contracts::Module<T>>::contract_address(2756 &who,2757 code_hash,2758 salt,2759 );2760 <ContractOwner<T>>::insert(new_contract_address.clone(), who.clone());27612762 None2763 },27642765 2766 Some(pallet_contracts::Call::instantiate_with_code(_endowment, _gas_limit, _code, _data, _salt)) => {27672768 let new_contract_address = <pallet_contracts::Module<T>>::contract_address(2769 &who,2770 &T::Hashing::hash(&_code),2771 _salt,2772 );27732774 <ContractOwner<T>>::insert(new_contract_address.clone(), who.clone());27752776 None2777 }27782779 2780 Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) => {27812782 let called_contract: T::AccountId = T::Lookup::lookup((*dest).clone()).unwrap_or(T::AccountId::default());27832784 let mut sponsor_transfer = false;2785 if <ContractSponsoringRateLimit<T>>::contains_key(called_contract.clone()) {2786 let last_tx_block = <ContractSponsorBasket<T>>::get((&called_contract, &who));2787 let block_number = <system::Module<T>>::block_number() as T::BlockNumber;2788 let rate_limit = <ContractSponsoringRateLimit<T>>::get(&called_contract);2789 let limit_time = last_tx_block + rate_limit;27902791 if block_number >= limit_time {2792 <ContractSponsorBasket<T>>::insert((called_contract.clone(), who.clone()), block_number);2793 sponsor_transfer = true;2794 }2795 } else {2796 sponsor_transfer = false;2797 }2798 2799 if sponsor_transfer {2800 if <ContractSelfSponsoring<T>>::contains_key(called_contract.clone()) {2801 if <ContractSelfSponsoring<T>>::get(called_contract.clone()) {2802 return Some(called_contract);2803 }2804 }2805 }28062807 None2808 },28092810 _ => None,2811 });28122813 let who_pays_fee = sponsor.unwrap_or_else(|| who.clone());28142815 <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::withdraw_fee(&who_pays_fee, call, info, fee, tip)2816 .map(|i| (fee, i))2817 }2818}281928202821impl<T: Config + Send + Sync> SignedExtension2822 for ChargeTransactionPayment<T>2823where2824 BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,2825 T::Call: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo> + IsSubType<Call<T>> + IsSubType<pallet_contracts::Call<T>>,2826 T::AccountId: AsRef<[u8]>,2827 T::AccountId: UncheckedFrom<T::Hash>,2828{2829 const IDENTIFIER: &'static str = "ChargeTransactionPayment";2830 type AccountId = T::AccountId;2831 type Call = T::Call;2832 type AdditionalSigned = ();2833 type Pre = (2834 2835 BalanceOf<T>,2836 2837 Self::AccountId,2838 2839 <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,2840 );2841 fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {2842 Ok(())2843 }28442845 fn validate(2846 &self,2847 who: &Self::AccountId,2848 call: &Self::Call,2849 info: &DispatchInfoOf<Self::Call>,2850 len: usize,2851 ) -> TransactionValidity {2852 let (fee, _) = self.withdraw_fee(who, call, info, len)?;2853 Ok(ValidTransaction {2854 priority: Self::get_priority(len, info, fee),2855 ..Default::default()2856 })2857 }28582859 fn pre_dispatch(2860 self,2861 who: &Self::AccountId,2862 call: &Self::Call,2863 info: &DispatchInfoOf<Self::Call>,2864 len: usize,2865 ) -> Result<Self::Pre, TransactionValidityError> {2866 let (_fee, imbalance) = self.withdraw_fee(who, call, info, len)?;2867 Ok((self.0, who.clone(), imbalance))2868 }28692870 fn post_dispatch(2871 pre: Self::Pre,2872 info: &DispatchInfoOf<Self::Call>,2873 post_info: &PostDispatchInfoOf<Self::Call>,2874 len: usize,2875 _result: &DispatchResult,2876 ) -> Result<(), TransactionValidityError> {2877 let (tip, who, imbalance) = pre;2878 let actual_fee = pallet_transaction_payment::Module::<T>::compute_actual_fee(2879 len as u32,2880 info,2881 post_info,2882 tip,2883 );2884 <T as pallet_transaction_payment::Config>::OnChargeTransaction::correct_and_deposit_fee(&who, info, post_info, actual_fee, tip, imbalance)?;2885 Ok(())2886 }2887}28882889