difftreelog
fmt
in: master
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primitives/data-structs/src/lib.rsdiffbeforeafterboth1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! # Primitives crate.18//! 19//! This crate contains amount of types, traits and constants.2021#![cfg_attr(not(feature = "std"), no_std)]2223use core::{24 convert::{TryFrom, TryInto},25 fmt,26};27use frame_support::{28 storage::{bounded_btree_map::BoundedBTreeMap, bounded_btree_set::BoundedBTreeSet},29 traits::Get,30 parameter_types,31};3233#[cfg(feature = "serde")]34use serde::{Serialize, Deserialize};3536use sp_core::U256;37use sp_runtime::{ArithmeticError, sp_std::prelude::Vec, Permill};38use codec::{Decode, Encode, EncodeLike, MaxEncodedLen};39use frame_support::{BoundedVec, traits::ConstU32};40use derivative::Derivative;41use scale_info::TypeInfo;4243// RMRK44use rmrk_traits::{45 CollectionInfo, NftInfo, ResourceInfo, PropertyInfo, BaseInfo, PartType, Theme, ThemeProperty,46 ResourceTypes, BasicResource, ComposableResource, SlotResource, EquippableList,47};48pub use rmrk_traits::{49 primitives::{50 CollectionId as RmrkCollectionId, NftId as RmrkNftId, BaseId as RmrkBaseId,51 SlotId as RmrkSlotId, PartId as RmrkPartId, ResourceId as RmrkResourceId,52 },53 NftChild as RmrkNftChild, AccountIdOrCollectionNftTuple as RmrkAccountIdOrCollectionNftTuple,54 FixedPart as RmrkFixedPart, SlotPart as RmrkSlotPart,55};5657mod bounded;58pub mod budget;59pub mod mapping;60mod migration;6162/// Maximum of decimal points.63pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;6465/// Maximum pieces for refungible token.66pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;67pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;6869/// Maximum tokens for user.70pub const MAX_TOKEN_OWNERSHIP: u32 = if cfg!(not(feature = "limit-testing")) {71 100_00072} else {73 1074};7576/// Maximum for collections can be created.77pub const COLLECTION_NUMBER_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {78 100_00079} else {80 1081};8283/// Maximum for various custom data of token.84pub const CUSTOM_DATA_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {85 204886} else {87 1088};8990/// Maximum admins per collection.91pub const COLLECTION_ADMINS_LIMIT: u32 = 5;9293/// Maximum tokens per collection.94pub const COLLECTION_TOKEN_LIMIT: u32 = u32::MAX;9596/// Maximum tokens per account.97pub const ACCOUNT_TOKEN_OWNERSHIP_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {98 1_000_00099} else {100 10101};102103/// Default timeout for transfer sponsoring NFT item.104pub const NFT_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;105/// Default timeout for transfer sponsoring fungible item.106pub const FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;107/// Default timeout for transfer sponsoring refungible item.108pub const REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;109110/// Default timeout for sponsored approving.111pub const SPONSOR_APPROVE_TIMEOUT: u32 = 5;112113// Schema limits114pub const OFFCHAIN_SCHEMA_LIMIT: u32 = 8192;115pub const VARIABLE_ON_CHAIN_SCHEMA_LIMIT: u32 = 8192;116pub const CONST_ON_CHAIN_SCHEMA_LIMIT: u32 = 32768;117118// TODO: not used. Delete?119pub const COLLECTION_FIELD_LIMIT: u32 = CONST_ON_CHAIN_SCHEMA_LIMIT;120121/// Maximum length for collection name.122pub const MAX_COLLECTION_NAME_LENGTH: u32 = 64;123124/// Maximum length for collection description.125pub const MAX_COLLECTION_DESCRIPTION_LENGTH: u32 = 256;126127/// Maximal token prefix length.128pub const MAX_TOKEN_PREFIX_LENGTH: u32 = 16;129130/// Maximal lenght of property key.131pub const MAX_PROPERTY_KEY_LENGTH: u32 = 256;132133/// Maximal lenght of property value.134pub const MAX_PROPERTY_VALUE_LENGTH: u32 = 32768;135136/// Maximum properties that can be assigned to token.137pub const MAX_PROPERTIES_PER_ITEM: u32 = 64;138139/// Maximal lenght of extended property value.140pub const MAX_AUX_PROPERTY_VALUE_LENGTH: u32 = 2048;141142/// Maximum size for all collection properties.143pub const MAX_COLLECTION_PROPERTIES_SIZE: u32 = 40960;144145/// Maximum size for all token properties.146pub const MAX_TOKEN_PROPERTIES_SIZE: u32 = 32768;147148/// How much items can be created per single149/// create_many call.150pub const MAX_ITEMS_PER_BATCH: u32 = 200;151152/// Used for limit bounded types of token custom data.153pub type CustomDataLimit = ConstU32<CUSTOM_DATA_LIMIT>;154155/// Collection id.156#[derive(157 Encode,158 Decode,159 PartialEq,160 Eq,161 PartialOrd,162 Ord,163 Clone,164 Copy,165 Debug,166 Default,167 TypeInfo,168 MaxEncodedLen,169)]170#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]171pub struct CollectionId(pub u32);172impl EncodeLike<u32> for CollectionId {}173impl EncodeLike<CollectionId> for u32 {}174175/// Token id.176#[derive(177 Encode,178 Decode,179 PartialEq,180 Eq,181 PartialOrd,182 Ord,183 Clone,184 Copy,185 Debug,186 Default,187 TypeInfo,188 MaxEncodedLen,189)]190#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]191pub struct TokenId(pub u32);192impl EncodeLike<u32> for TokenId {}193impl EncodeLike<TokenId> for u32 {}194195impl TokenId {196 /// Try to get next token id.197 /// 198 /// If next id cause overflow, then [`ArithmeticError::Overflow`] returned.199 pub fn try_next(self) -> Result<TokenId, ArithmeticError> {200 self.0201 .checked_add(1)202 .ok_or(ArithmeticError::Overflow)203 .map(Self)204 }205}206207impl From<TokenId> for U256 {208 fn from(t: TokenId) -> Self {209 t.0.into()210 }211}212213impl TryFrom<U256> for TokenId {214 type Error = &'static str;215216 fn try_from(value: U256) -> Result<Self, Self::Error> {217 Ok(TokenId(value.try_into().map_err(|_| "too large token id")?))218 }219}220221/// Token data.222#[derive(Encode, Decode, Clone, PartialEq, TypeInfo)]223#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]224pub struct TokenData<CrossAccountId> {225 /// Properties of token.226 pub properties: Vec<Property>,227228 /// Token owner.229 pub owner: Option<CrossAccountId>,230231 /// Token pieces.232 pub pieces: u128,233}234235// TODO: unused type236pub struct OverflowError;237impl From<OverflowError> for &'static str {238 fn from(_: OverflowError) -> Self {239 "overflow occured"240 }241}242243/// Alias for decimal points type.244pub type DecimalPoints = u8;245246/// Collection mode.247/// 248/// Collection can represent various types of tokens.249/// Each collection can contain only one type of tokens at a time.250/// This type helps to understand which tokens the collection contains.251#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]252#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]253pub enum CollectionMode {254 /// Non fungible tokens.255 NFT,256 /// Fungible tokens.257 Fungible(DecimalPoints),258 /// Refungible tokens.259 ReFungible,260}261262impl CollectionMode {263 /// Get collection mod as number.264 pub fn id(&self) -> u8 {265 match self {266 CollectionMode::NFT => 1,267 CollectionMode::Fungible(_) => 2,268 CollectionMode::ReFungible => 3,269 }270 }271}272273// TODO: unused trait274pub trait SponsoringResolve<AccountId, Call> {275 fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;276}277278/// Access mode for some token operations.279#[derive(Encode, Decode, Eq, Debug, Clone, Copy, PartialEq, TypeInfo, MaxEncodedLen)]280#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]281pub enum AccessMode {282 /// Access grant for owner and admins. Used as default.283 Normal,284 /// Like a [`Normal`](AccessMode::Normal) but also users in allow list.285 AllowList,286}287impl Default for AccessMode {288 fn default() -> Self {289 Self::Normal290 }291}292293// TODO: remove in future.294#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]295#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]296pub enum SchemaVersion {297 ImageURL,298 Unique,299}300impl Default for SchemaVersion {301 fn default() -> Self {302 Self::ImageURL303 }304}305306// TODO: unused type307#[derive(Encode, Decode, Default, Debug, Clone, PartialEq, TypeInfo)]308#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]309pub struct Ownership<AccountId> {310 pub owner: AccountId,311 pub fraction: u128,312}313314/// The state of collection sponsorship.315#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]316#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]317pub enum SponsorshipState<AccountId> {318 /// The fees are applied to the transaction sender.319 Disabled,320 /// The sponsor is under consideration. Until the sponsor gives his consent,321 /// the fee will still be charged to sender.322 Unconfirmed(AccountId),323 /// Transactions are sponsored by specified account.324 Confirmed(AccountId),325}326327impl<AccountId> SponsorshipState<AccountId> {328 /// Get a sponsor of the collection who has confirmed his status.329 pub fn sponsor(&self) -> Option<&AccountId> {330 match self {331 Self::Confirmed(sponsor) => Some(sponsor),332 _ => None,333 }334 }335336 /// Get a sponsor of the collection who has pending or confirmed status.337 pub fn pending_sponsor(&self) -> Option<&AccountId> {338 match self {339 Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),340 _ => None,341 }342 }343344 /// Whether the sponsorship is confirmed.345 pub fn confirmed(&self) -> bool {346 matches!(self, Self::Confirmed(_))347 }348}349350impl<T> Default for SponsorshipState<T> {351 fn default() -> Self {352 Self::Disabled353 }354}355356pub type CollectionName = BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>;357pub type CollectionDescription = BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>;358pub type CollectionTokenPrefix = BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>;359360/// Base structure for represent collection.361/// 362/// Used to provide basic functionality for all types of collections.363/// 364/// #### Note365/// Collection parameters, used in storage (see [`RpcCollection`] for the RPC version).366#[struct_versioning::versioned(version = 2, upper)]367#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen)]368pub struct Collection<AccountId> {369 /// Collection owner account.370 pub owner: AccountId,371372 /// Collection mode.373 pub mode: CollectionMode,374375 /// Access mode.376 #[version(..2)]377 pub access: AccessMode,378379 /// Collection name.380 pub name: CollectionName,381382 /// Collection description.383 pub description: CollectionDescription,384385 /// Token prefix.386 pub token_prefix: CollectionTokenPrefix,387388 #[version(..2)]389 pub mint_mode: bool,390391 #[version(..2)]392 pub offchain_schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,393394 #[version(..2)]395 pub schema_version: SchemaVersion,396397 /// The state of sponsorship of the collection.398 pub sponsorship: SponsorshipState<AccountId>,399400 /// Collection limits.401 pub limits: CollectionLimits,402403 /// Collection permissions.404 #[version(2.., upper(Default::default()))]405 pub permissions: CollectionPermissions,406407 /// Marks that this collection is not "unique", and managed from external.408 #[version(2.., upper(false))]409 pub external_collection: bool,410411 #[version(..2)]412 pub variable_on_chain_schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>,413414 #[version(..2)]415 pub const_on_chain_schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>,416417 #[version(..2)]418 pub meta_update_permission: MetaUpdatePermission,419}420421/// Collection parameters, used in RPC calls (see [`Collection`] for the storage version).422#[derive(Encode, Decode, Clone, PartialEq, TypeInfo)]423#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]424pub struct RpcCollection<AccountId> {425 /// Collection owner account.426 pub owner: AccountId,427428 /// Collection mode.429 pub mode: CollectionMode,430431 /// Collection name.432 pub name: Vec<u16>,433434 /// Collection description.435 pub description: Vec<u16>,436437 /// Token prefix.438 pub token_prefix: Vec<u8>,439440 /// The state of sponsorship of the collection.441 pub sponsorship: SponsorshipState<AccountId>,442443 /// Collection limits.444 pub limits: CollectionLimits,445446 /// Collection permissions.447 pub permissions: CollectionPermissions,448449 /// Token property permissions.450 pub token_property_permissions: Vec<PropertyKeyPermission>,451452 /// Collection properties.453 pub properties: Vec<Property>,454455 /// Is collection read only.456 pub read_only: bool,457}458459/// Data used for create collection.460/// 461/// All fields are wrapped in [`Option`], where `None` means chain default.462#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, Derivative, MaxEncodedLen)]463#[derivative(Debug, Default(bound = ""))]464pub struct CreateCollectionData<AccountId> {465 /// Collection mode.466 #[derivative(Default(value = "CollectionMode::NFT"))]467 pub mode: CollectionMode,468469 /// Access mode.470 pub access: Option<AccessMode>,471472 /// Collection name.473 pub name: CollectionName,474475 /// Collection description.476 pub description: CollectionDescription,477478 /// Token prefix.479 pub token_prefix: CollectionTokenPrefix,480481 /// Pending collection sponsor.482 pub pending_sponsor: Option<AccountId>,483484 /// Collection limits.485 pub limits: Option<CollectionLimits>,486487 /// Collection permissions.488 pub permissions: Option<CollectionPermissions>,489490 /// Token property permissions.491 pub token_property_permissions: CollectionPropertiesPermissionsVec,492493 /// Collection properties.494 pub properties: CollectionPropertiesVec,495}496497/// Bounded vector of properties permissions. Max length is [`MAX_PROPERTIES_PER_ITEM`].498// TODO: maybe rename to PropertiesPermissionsVec499pub type CollectionPropertiesPermissionsVec =500 BoundedVec<PropertyKeyPermission, ConstU32<MAX_PROPERTIES_PER_ITEM>>;501502/// Bounded vector of properties. Max length is [`MAX_PROPERTIES_PER_ITEM`].503pub type CollectionPropertiesVec = BoundedVec<Property, ConstU32<MAX_PROPERTIES_PER_ITEM>>;504505/// Limits and restrictions of a collection.506///507/// All fields are wrapped in [`Option`], where `None` means chain default.508/// 509/// Update with `pallet_common::Pallet::clamp_limits`.510// IMPORTANT: When adding/removing fields from this struct - don't forget to also511#[derive(Encode, Decode, Debug, Default, Clone, PartialEq, TypeInfo, MaxEncodedLen)]512#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]513// When adding/removing fields from this struct - don't forget to also update with `pallet_common::Pallet::clamp_limits`.514// TODO: move `pallet_common::Pallet::clamp_limits` into `impl CollectionLimits`.515// TODO: may be remove [`Option`] and **pub** from fields and create struct with default values.516pub struct CollectionLimits {517 /// How many tokens can a user have on one account.518 /// * Default - [`ACCOUNT_TOKEN_OWNERSHIP_LIMIT`].519 /// * Limit - [`MAX_TOKEN_OWNERSHIP`].520 pub account_token_ownership_limit: Option<u32>,521522 /// How many bytes of data are available for sponsorship.523 /// * Default - [`CUSTOM_DATA_LIMIT`].524 /// * Limit - [`CUSTOM_DATA_LIMIT`].525 pub sponsored_data_size: Option<u32>,526527 // FIXME should we delete this or repurpose it?528 /// Times in how many blocks we sponsor data.529 /// 530 /// If is `Some(v)` then **setVariableMetadata** is sponsored if there is `v` block between transactions.531 /// 532 /// * Default - [`SponsoringDisabled`](SponsoringRateLimit::SponsoringDisabled).533 /// * Limit - [`MAX_SPONSOR_TIMEOUT`].534 ///535 /// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]536 pub sponsored_data_rate_limit: Option<SponsoringRateLimit>,537 /// Maximum amount of tokens inside the collection. Chain default: [`COLLECTION_TOKEN_LIMIT`]538539 /// How many tokens can be mined into this collection.540 /// 541 /// * Default - [`COLLECTION_TOKEN_LIMIT`].542 /// * Limit - [`COLLECTION_TOKEN_LIMIT`].543 pub token_limit: Option<u32>,544545 /// Timeouts for transfer sponsoring.546 /// 547 /// * Default548 /// - **Fungible** - [`FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT`]549 /// - **NFT** - [`NFT_SPONSOR_TRANSFER_TIMEOUT`]550 /// - **Refungible** - [`REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT`]551 /// * Limit - [`MAX_SPONSOR_TIMEOUT`].552 pub sponsor_transfer_timeout: Option<u32>,553 554 /// Timeout for sponsoring an approval in passed blocks.555 /// 556 /// * Default - [`SPONSOR_APPROVE_TIMEOUT`].557 /// * Limit - [`MAX_SPONSOR_TIMEOUT`].558 pub sponsor_approve_timeout: Option<u32>,559560 /// Whether the collection owner of the collection can send tokens (which belong to other users).561 /// 562 /// * Default - **false**.563 pub owner_can_transfer: Option<bool>,564565 /// Can the collection owner burn other people's tokens.566 /// 567 /// * Default - **true**.568 pub owner_can_destroy: Option<bool>,569 570 /// Is it possible to send tokens from this collection between users.571 /// 572 /// * Default - **true**.573 pub transfers_enabled: Option<bool>,574}575576impl CollectionLimits {577 /// Get effective value for [`account_token_ownership_limit`](self.account_token_ownership_limit).578 pub fn account_token_ownership_limit(&self) -> u32 {579 self.account_token_ownership_limit580 .unwrap_or(ACCOUNT_TOKEN_OWNERSHIP_LIMIT)581 .min(MAX_TOKEN_OWNERSHIP)582 }583584 /// Get effective value for [`sponsored_data_size`](self.sponsored_data_size).585 pub fn sponsored_data_size(&self) -> u32 {586 self.sponsored_data_size587 .unwrap_or(CUSTOM_DATA_LIMIT)588 .min(CUSTOM_DATA_LIMIT)589 }590591 /// Get effective value for [`token_limit`](self.token_limit).592 pub fn token_limit(&self) -> u32 {593 self.token_limit594 .unwrap_or(COLLECTION_TOKEN_LIMIT)595 .min(COLLECTION_TOKEN_LIMIT)596 }597598 // TODO: may be replace u32 to mode?599 /// Get effective value for [`sponsor_transfer_timeout`](self.sponsor_transfer_timeout).600 pub fn sponsor_transfer_timeout(&self, default: u32) -> u32 {601 self.sponsor_transfer_timeout602 .unwrap_or(default)603 .min(MAX_SPONSOR_TIMEOUT)604 }605606 /// Get effective value for [`sponsor_approve_timeout`](self.sponsor_approve_timeout).607 pub fn sponsor_approve_timeout(&self) -> u32 {608 self.sponsor_approve_timeout609 .unwrap_or(SPONSOR_APPROVE_TIMEOUT)610 .min(MAX_SPONSOR_TIMEOUT)611 }612613 /// Get effective value for [`owner_can_transfer`](self.owner_can_transfer).614 pub fn owner_can_transfer(&self) -> bool {615 self.owner_can_transfer.unwrap_or(false)616 }617618 /// Get effective value for [`owner_can_transfer_instaled`](self.owner_can_transfer_instaled).619 pub fn owner_can_transfer_instaled(&self) -> bool {620 self.owner_can_transfer.is_some()621 }622623 /// Get effective value for [`owner_can_destroy`](self.owner_can_destroy).624 pub fn owner_can_destroy(&self) -> bool {625 self.owner_can_destroy.unwrap_or(true)626 }627628 /// Get effective value for [`transfers_enabled`](self.transfers_enabled).629 pub fn transfers_enabled(&self) -> bool {630 self.transfers_enabled.unwrap_or(true)631 }632633 /// Get effective value for [`sponsored_data_rate_limit`](self.sponsored_data_rate_limit).634 pub fn sponsored_data_rate_limit(&self) -> Option<u32> {635 match self636 .sponsored_data_rate_limit637 .unwrap_or(SponsoringRateLimit::SponsoringDisabled)638 {639 SponsoringRateLimit::SponsoringDisabled => None,640 SponsoringRateLimit::Blocks(v) => Some(v.min(MAX_SPONSOR_TIMEOUT)),641 }642 }643}644645/// Permissions on certain operations within a collection.646/// 647/// Some fields are wrapped in [`Option`], where `None` means chain default.648/// 649/// Update with `pallet_common::Pallet::clamp_permissions`.650#[derive(Encode, Decode, Debug, Default, Clone, PartialEq, TypeInfo, MaxEncodedLen)]651#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]652// When adding/removing fields from this struct - don't forget to also update `pallet_common::Pallet::clamp_permissions`.653// TODO: move `pallet_common::Pallet::clamp_permissions` into `impl CollectionPermissions`.654pub struct CollectionPermissions {655 /// Access mode.656 /// 657 /// * Default - [`AccessMode::Normal`].658 pub access: Option<AccessMode>,659660 /// Minting allowance.661 /// 662 /// * Default - **false**.663 pub mint_mode: Option<bool>,664665 /// Permissions for nesting.666 /// 667 /// * Default668 /// - `token_owner` - **false**669 /// - `collection_admin` - **false**670 /// - `restricted` - **None**671 pub nesting: Option<NestingPermissions>,672}673674impl CollectionPermissions {675 /// Get effective value for [`access`](self.access).676 pub fn access(&self) -> AccessMode {677 self.access.unwrap_or(AccessMode::Normal)678 }679680 /// Get effective value for [`mint_mode`](self.mint_mode).681 pub fn mint_mode(&self) -> bool {682 self.mint_mode.unwrap_or(false)683 }684685 /// Get effective value for [`nesting`](self.nesting).686 pub fn nesting(&self) -> &NestingPermissions {687 static DEFAULT: NestingPermissions = NestingPermissions {688 token_owner: false,689 collection_admin: false,690 restricted: None,691 #[cfg(feature = "runtime-benchmarks")]692 permissive: false,693 };694 self.nesting.as_ref().unwrap_or(&DEFAULT)695 }696}697698/// Inner set for collections allowed to nest.699type OwnerRestrictedSetInner = BoundedBTreeSet<CollectionId, ConstU32<16>>;700701/// Wraper for collections set allowing nest.702#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen, Derivative)]703#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]704#[derivative(Debug)]705pub struct OwnerRestrictedSet(706 #[cfg_attr(feature = "serde1", serde(with = "bounded::set_serde"))]707 #[derivative(Debug(format_with = "bounded::set_debug"))]708 pub OwnerRestrictedSetInner,709);710711impl OwnerRestrictedSet {712 /// Create new set.713 pub fn new() -> Self {714 Self(Default::default())715 }716}717impl core::ops::Deref for OwnerRestrictedSet {718 type Target = OwnerRestrictedSetInner;719 fn deref(&self) -> &Self::Target {720 &self.0721 }722}723impl core::ops::DerefMut for OwnerRestrictedSet {724 fn deref_mut(&mut self) -> &mut Self::Target {725 &mut self.0726 }727}728729/// Part of collection permissions, if set, defines who is able to nest tokens into other tokens.730#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen, Derivative)]731#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]732#[derivative(Debug)]733pub struct NestingPermissions {734 /// Owner of token can nest tokens under it.735 pub token_owner: bool,736 /// Admin of token collection can nest tokens under token.737 pub collection_admin: bool,738 /// If set - only tokens from specified collections can be nested.739 pub restricted: Option<OwnerRestrictedSet>,740741 #[cfg(feature = "runtime-benchmarks")]742 /// Anyone can nest tokens, mutually exclusive with `token_owner`, `admin`.743 pub permissive: bool,744}745746/// Enum denominating how often can sponsoring occur if it is enabled.747/// 748/// Used for [`collection limits`](CollectionLimits).749#[derive(Encode, Decode, Debug, Clone, Copy, PartialEq, TypeInfo, MaxEncodedLen)]750#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]751pub enum SponsoringRateLimit {752 /// Sponsoring is disabled, and the collection sponsor will not pay for transactions753 SponsoringDisabled,754 /// Once per how many blocks can sponsorship of a transaction type occur755 Blocks(u32),756}757758/// Data used to describe an NFT at creation.759#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative, TypeInfo)]760#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]761#[derivative(Debug)]762pub struct CreateNftData {763 /// Key-value pairs used to describe the token as metadata764 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]765 #[derivative(Debug(format_with = "bounded::vec_debug"))]766 /// Properties that wil be assignet to created item.767 pub properties: CollectionPropertiesVec,768}769770/// Data used to describe a Fungible token at creation.771#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq, TypeInfo)]772#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]773pub struct CreateFungibleData {774 /// Number of fungible coins minted775 pub value: u128,776}777778/// Data used to describe a Refungible token at creation.779#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative, TypeInfo)]780#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]781#[derivative(Debug)]782pub struct CreateReFungibleData {783 /// Immutable metadata of the token784 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]785 #[derivative(Debug(format_with = "bounded::vec_debug"))]786 pub const_data: BoundedVec<u8, CustomDataLimit>,787788 /// Pieces of created token.789 pub pieces: u128,790791 /// Key-value pairs used to describe the token as metadata792 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]793 #[derivative(Debug(format_with = "bounded::vec_debug"))]794 pub properties: CollectionPropertiesVec,795}796797// TODO: remove this.798#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]799#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]800pub enum MetaUpdatePermission {801 ItemOwner,802 Admin,803 None,804}805806/// Enum holding data used for creation of all three item types.807/// Unified data for create item.808#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]809#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]810pub enum CreateItemData {811 /// Data for create NFT.812 NFT(CreateNftData),813 /// Data for create Fungible item.814 Fungible(CreateFungibleData),815 /// Data for create ReFungible item.816 ReFungible(CreateReFungibleData),817}818819/// Extended data for create NFT.820#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]821#[derivative(Debug)]822pub struct CreateNftExData<CrossAccountId> {823 /// Properties that wil be assignet to created item.824 #[derivative(Debug(format_with = "bounded::vec_debug"))]825 pub properties: CollectionPropertiesVec,826827 /// Owner of creating item.828 pub owner: CrossAccountId,829}830831/// Extended data for create ReFungible item.832#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]833#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]834pub struct CreateRefungibleExData<CrossAccountId> {835 /// Custom data stored in token.836 #[derivative(Debug(format_with = "bounded::vec_debug"))]837 pub const_data: BoundedVec<u8, CustomDataLimit>,838839 /// Users who will be assigned the specified number of token parts.840 #[derivative(Debug(format_with = "bounded::map_debug"))]841 pub users: BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,842 #[derivative(Debug(format_with = "bounded::vec_debug"))]843 pub properties: CollectionPropertiesVec,844}845846/// Unified extended data for creating item.847#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]848#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]849pub enum CreateItemExData<CrossAccountId> {850 /// Extended data for create NFT.851 NFT(852 #[derivative(Debug(format_with = "bounded::vec_debug"))]853 BoundedVec<CreateNftExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,854 ),855856 /// Extended data for create Fungible item.857 Fungible(858 #[derivative(Debug(format_with = "bounded::map_debug"))]859 BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,860 ),861862 /// Extended data for create ReFungible item in case of863 /// many tokens, each may have only one owner864 RefungibleMultipleItems(865 #[derivative(Debug(format_with = "bounded::vec_debug"))]866 BoundedVec<CreateRefungibleExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,867 ),868869 /// Extended data for create ReFungible item in case of870 /// single token, which may have many owners871 RefungibleMultipleOwners(CreateRefungibleExData<CrossAccountId>),872}873874impl CreateItemData {875 /// Get size of custom data.876 pub fn data_size(&self) -> usize {877 match self {878 CreateItemData::ReFungible(data) => data.const_data.len(),879 _ => 0,880 }881 }882}883884impl From<CreateNftData> for CreateItemData {885 fn from(item: CreateNftData) -> Self {886 CreateItemData::NFT(item)887 }888}889890impl From<CreateReFungibleData> for CreateItemData {891 fn from(item: CreateReFungibleData) -> Self {892 CreateItemData::ReFungible(item)893 }894}895896impl From<CreateFungibleData> for CreateItemData {897 fn from(item: CreateFungibleData) -> Self {898 CreateItemData::Fungible(item)899 }900}901902/// Token's address, dictated by its collection and token IDs.903#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]904#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]905// todo possibly rename to be used generally as an address pair906pub struct TokenChild {907 /// Token id.908 pub token: TokenId,909910 /// Collection id.911 pub collection: CollectionId,912}913914/// Collection statistics.915#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]916#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]917pub struct CollectionStats {918 /// Number of created items.919 pub created: u32,920921 /// Number of burned items.922 pub destroyed: u32,923924 /// Number of current items.925 pub alive: u32,926}927928/// This type works like [`PhantomData`] but supports generating _scale-info_ descriptions to generate node metadata.929#[derive(Encode, Decode, Clone, Debug)]930#[cfg_attr(feature = "std", derive(PartialEq))]931pub struct PhantomType<T>(core::marker::PhantomData<T>);932933impl<T: TypeInfo + 'static> TypeInfo for PhantomType<T> {934 type Identity = PhantomType<T>;935936 fn type_info() -> scale_info::Type {937 use scale_info::{938 Type, Path,939 build::{FieldsBuilder, UnnamedFields},940 type_params,941 };942 Type::builder()943 .path(Path::new("up_data_structs", "PhantomType"))944 .type_params(type_params!(T))945 .composite(<FieldsBuilder<UnnamedFields>>::default().field(|b| b.ty::<[T; 0]>()))946 }947}948impl<T> MaxEncodedLen for PhantomType<T> {949 fn max_encoded_len() -> usize {950 0951 }952}953954/// Bounded vector of bytes.955pub type BoundedBytes<S> = BoundedVec<u8, S>;956957/// Extra properties for external collections.958pub type AuxPropertyValue = BoundedBytes<ConstU32<MAX_AUX_PROPERTY_VALUE_LENGTH>>;959960/// Property key.961pub type PropertyKey = BoundedBytes<ConstU32<MAX_PROPERTY_KEY_LENGTH>>;962963/// Property value.964pub type PropertyValue = BoundedBytes<ConstU32<MAX_PROPERTY_VALUE_LENGTH>>;965966/// Property permission.967#[derive(Encode, Decode, TypeInfo, Debug, MaxEncodedLen, PartialEq, Clone)]968#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]969pub struct PropertyPermission {970 /// Permission to change the property and property permission.971 /// 972 /// If it **false** then you can not change corresponding property even if [`collection_admin`] and [`token_owner`] are **true**.973 pub mutable: bool,974975 /// Change permission for the collection administrator.976 pub collection_admin: bool,977978 /// Permission to change the property for the owner of the token.979 pub token_owner: bool,980}981982impl PropertyPermission {983 /// Creates mutable property permission but changes restricted for collection admin and token owner.984 pub fn none() -> Self {985 Self {986 mutable: true,987 collection_admin: false,988 token_owner: false,989 }990 }991}992993/// Property is simpl key-value record.994#[derive(Encode, Decode, Debug, TypeInfo, Clone, PartialEq, MaxEncodedLen)]995#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]996pub struct Property {997 /// Property key.998 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]999 pub key: PropertyKey,10001001 /// Property value.1002 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]1003 pub value: PropertyValue,1004}10051006impl Into<(PropertyKey, PropertyValue)> for Property {1007 fn into(self) -> (PropertyKey, PropertyValue) {1008 (self.key, self.value)1009 }1010}10111012/// Record for proprty key permission.1013#[derive(Encode, Decode, TypeInfo, Debug, MaxEncodedLen, PartialEq, Clone)]1014#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]1015pub struct PropertyKeyPermission {1016 /// Key.1017 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]1018 pub key: PropertyKey,10191020 /// Permission.1021 pub permission: PropertyPermission,1022}10231024impl Into<(PropertyKey, PropertyPermission)> for PropertyKeyPermission {1025 fn into(self) -> (PropertyKey, PropertyPermission) {1026 (self.key, self.permission)1027 }1028}10291030/// Errors for properties actions.1031#[derive(Debug)]1032pub enum PropertiesError {1033 /// The space allocated for properties has run out.1034 /// 1035 /// * Limit for colection - [`MAX_COLLECTION_PROPERTIES_SIZE`].1036 /// * Limit for token - [`MAX_TOKEN_PROPERTIES_SIZE`].1037 NoSpaceForProperty,10381039 /// The property limit has been reached.1040 /// 1041 /// * Limit - [`MAX_PROPERTIES_PER_ITEM`].1042 PropertyLimitReached,10431044 /// Property key contains not allowed character.1045 InvalidCharacterInPropertyKey,10461047 /// Property key length is too long.1048 /// 1049 /// * Limit - [`MAX_PROPERTY_KEY_LENGTH`].1050 PropertyKeyIsTooLong,10511052 /// Property key is empty.1053 EmptyPropertyKey,1054}10551056/// Marker for scope of property.1057/// 1058/// Scoped property can't be changed by user. Used for external collections.1059#[derive(Encode, Decode, MaxEncodedLen, TypeInfo, PartialEq, Clone, Copy)]1060pub enum PropertyScope {1061 None,1062 Rmrk,1063}10641065impl PropertyScope {1066 /// Apply scope to property key.1067 pub fn apply(self, key: PropertyKey) -> Result<PropertyKey, PropertiesError> {1068 let scope_str: &[u8] = match self {1069 Self::None => return Ok(key),1070 Self::Rmrk => b"rmrk",1071 };10721073 [scope_str, b":", key.as_slice()]1074 .concat()1075 .try_into()1076 .map_err(|_| PropertiesError::PropertyKeyIsTooLong)1077 }1078}10791080/// Trait for operate with properties.1081pub trait TrySetProperty: Sized {1082 type Value;10831084 /// Try to set property with scope.1085 fn try_scoped_set(1086 &mut self,1087 scope: PropertyScope,1088 key: PropertyKey,1089 value: Self::Value,1090 ) -> Result<(), PropertiesError>;1091 1092 1093 /// Try to set property with scope from iterator.1094 fn try_scoped_set_from_iter<I, KV>(1095 &mut self,1096 scope: PropertyScope,1097 iter: I,1098 ) -> Result<(), PropertiesError>1099 where1100 I: Iterator<Item = KV>,1101 KV: Into<(PropertyKey, Self::Value)>,1102 {1103 for kv in iter {1104 let (key, value) = kv.into();1105 self.try_scoped_set(scope, key, value)?;1106 }11071108 Ok(())1109 }11101111 /// Try to set property.1112 fn try_set(&mut self, key: PropertyKey, value: Self::Value) -> Result<(), PropertiesError> {1113 self.try_scoped_set(PropertyScope::None, key, value)1114 }1115 1116 /// Try to set property from iterator.1117 fn try_set_from_iter<I, KV>(&mut self, iter: I) -> Result<(), PropertiesError>1118 where1119 I: Iterator<Item = KV>,1120 KV: Into<(PropertyKey, Self::Value)>,1121 {1122 self.try_scoped_set_from_iter(PropertyScope::None, iter)1123 }1124}11251126/// Wrapped map for storing properties.1127#[derive(Encode, Decode, TypeInfo, Derivative, Clone, PartialEq, MaxEncodedLen)]1128#[derivative(Default(bound = ""))]1129pub struct PropertiesMap<Value>(1130 BoundedBTreeMap<PropertyKey, Value, ConstU32<MAX_PROPERTIES_PER_ITEM>>,1131);11321133impl<Value> PropertiesMap<Value> {1134 /// Create new property map.1135 pub fn new() -> Self {1136 Self(BoundedBTreeMap::new())1137 }11381139 /// Remove property from map.1140 pub fn remove(&mut self, key: &PropertyKey) -> Result<Option<Value>, PropertiesError> {1141 Self::check_property_key(key)?;11421143 Ok(self.0.remove(key))1144 }11451146 /// Get property with appropriate key from map.1147 pub fn get(&self, key: &PropertyKey) -> Option<&Value> {1148 self.0.get(key)1149 }11501151 /// Check if map contains key.1152 pub fn contains_key(&self, key: &PropertyKey) -> bool {1153 self.0.contains_key(key)1154 }1155 1156 /// Check if map contains key with key validation.1157 fn check_property_key(key: &PropertyKey) -> Result<(), PropertiesError> {1158 if key.is_empty() {1159 return Err(PropertiesError::EmptyPropertyKey);1160 }11611162 for byte in key.as_slice().iter() {1163 let byte = *byte;11641165 if !byte.is_ascii_alphanumeric() && byte != b'_' && byte != b'-' && byte != b'.' {1166 return Err(PropertiesError::InvalidCharacterInPropertyKey);1167 }1168 }11691170 Ok(())1171 }1172}11731174impl<Value> IntoIterator for PropertiesMap<Value> {1175 type Item = (PropertyKey, Value);1176 type IntoIter = <1177 BoundedBTreeMap<1178 PropertyKey,1179 Value,1180 ConstU32<MAX_PROPERTIES_PER_ITEM>1181 > as IntoIterator1182 >::IntoIter;11831184 fn into_iter(self) -> Self::IntoIter {1185 self.0.into_iter()1186 }1187}11881189impl<Value> TrySetProperty for PropertiesMap<Value> {1190 type Value = Value;11911192 fn try_scoped_set(1193 &mut self,1194 scope: PropertyScope,1195 key: PropertyKey,1196 value: Self::Value,1197 ) -> Result<(), PropertiesError> {1198 Self::check_property_key(&key)?;11991200 let key = scope.apply(key)?;1201 self.01202 .try_insert(key, value)1203 .map_err(|_| PropertiesError::PropertyLimitReached)?;12041205 Ok(())1206 }1207}12081209/// Alias for property permissions map.1210pub type PropertiesPermissionMap = PropertiesMap<PropertyPermission>;12111212/// Wrapper for properties map with consumed space control.1213#[derive(Encode, Decode, TypeInfo, Clone, PartialEq, MaxEncodedLen)]1214pub struct Properties {1215 map: PropertiesMap<PropertyValue>,1216 consumed_space: u32,1217 space_limit: u32,1218}12191220impl Properties {1221 /// Create new properies container.1222 pub fn new(space_limit: u32) -> Self {1223 Self {1224 map: PropertiesMap::new(),1225 consumed_space: 0,1226 space_limit,1227 }1228 }12291230 /// Remove propery with appropiate key.1231 pub fn remove(&mut self, key: &PropertyKey) -> Result<Option<PropertyValue>, PropertiesError> {1232 let value = self.map.remove(key)?;12331234 if let Some(ref value) = value {1235 let value_len = value.len() as u32;1236 self.consumed_space -= value_len;1237 }12381239 Ok(value)1240 }12411242 /// Get property with appropriate key.1243 pub fn get(&self, key: &PropertyKey) -> Option<&PropertyValue> {1244 self.map.get(key)1245 }1246}12471248impl IntoIterator for Properties {1249 type Item = (PropertyKey, PropertyValue);1250 type IntoIter = <PropertiesMap<PropertyValue> as IntoIterator>::IntoIter;12511252 fn into_iter(self) -> Self::IntoIter {1253 self.map.into_iter()1254 }1255}12561257impl TrySetProperty for Properties {1258 type Value = PropertyValue;12591260 fn try_scoped_set(1261 &mut self,1262 scope: PropertyScope,1263 key: PropertyKey,1264 value: Self::Value,1265 ) -> Result<(), PropertiesError> {1266 let value_len = value.len();12671268 if self.consumed_space as usize + value_len > self.space_limit as usize1269 && !cfg!(feature = "runtime-benchmarks")1270 {1271 return Err(PropertiesError::NoSpaceForProperty);1272 }12731274 self.map.try_scoped_set(scope, key, value)?;12751276 self.consumed_space += value_len as u32;12771278 Ok(())1279 }1280}12811282/// Utility struct for using in `StorageMap`.1283pub struct CollectionProperties;12841285impl Get<Properties> for CollectionProperties {1286 fn get() -> Properties {1287 Properties::new(MAX_COLLECTION_PROPERTIES_SIZE)1288 }1289}12901291/// Utility struct for using in `StorageMap`.1292pub struct TokenProperties;12931294impl Get<Properties> for TokenProperties {1295 fn get() -> Properties {1296 Properties::new(MAX_TOKEN_PROPERTIES_SIZE)1297 }1298}12991300// RMRK1301// todo document?1302parameter_types! {1303 #[derive(PartialEq, TypeInfo)]1304 pub const RmrkStringLimit: u32 = 128;1305 #[derive(PartialEq)]1306 pub const RmrkCollectionSymbolLimit: u32 = MAX_TOKEN_PREFIX_LENGTH;1307 #[derive(PartialEq)]1308 pub const RmrkResourceSymbolLimit: u32 = 10;1309 #[derive(PartialEq)]1310 pub const RmrkBaseSymbolLimit: u32 = MAX_TOKEN_PREFIX_LENGTH;1311 #[derive(PartialEq)]1312 pub const RmrkKeyLimit: u32 = 32;1313 #[derive(PartialEq)]1314 pub const RmrkValueLimit: u32 = 256;1315 #[derive(PartialEq)]1316 pub const RmrkMaxCollectionsEquippablePerPart: u32 = 100;1317 #[derive(PartialEq)]1318 pub const MaxPropertiesPerTheme: u32 = 5;1319 #[derive(PartialEq)]1320 pub const RmrkPartsLimit: u32 = 25;1321 #[derive(PartialEq)]1322 pub const RmrkMaxPriorities: u32 = 25;1323 #[derive(PartialEq)]1324 pub const MaxResourcesOnMint: u32 = 100;1325}13261327impl From<RmrkCollectionId> for CollectionId {1328 fn from(id: RmrkCollectionId) -> Self {1329 Self(id)1330 }1331}13321333impl From<RmrkNftId> for TokenId {1334 fn from(id: RmrkNftId) -> Self {1335 Self(id)1336 }1337}13381339pub type RmrkCollectionInfo<AccountId> =1340 CollectionInfo<RmrkString, RmrkCollectionSymbol, AccountId>;1341pub type RmrkInstanceInfo<AccountId> = NftInfo<AccountId, Permill, RmrkString>;1342pub type RmrkResourceInfo = ResourceInfo<RmrkString, RmrkBoundedParts>;1343pub type RmrkPropertyInfo = PropertyInfo<RmrkKeyString, RmrkValueString>;1344pub type RmrkBaseInfo<AccountId> = BaseInfo<AccountId, RmrkString>;1345pub type BoundedEquippableCollectionIds =1346 BoundedVec<RmrkCollectionId, RmrkMaxCollectionsEquippablePerPart>;1347pub type RmrkPartType = PartType<RmrkString, BoundedEquippableCollectionIds>;1348pub type RmrkEquippableList = EquippableList<BoundedEquippableCollectionIds>;1349pub type RmrkThemeProperty = ThemeProperty<RmrkString>;1350pub type RmrkTheme = Theme<RmrkString, Vec<RmrkThemeProperty>>;1351pub type RmrkBoundedTheme = Theme<RmrkString, BoundedVec<RmrkThemeProperty, MaxPropertiesPerTheme>>;1352pub type RmrkResourceTypes = ResourceTypes<RmrkString, RmrkBoundedParts>;13531354pub type RmrkBasicResource = BasicResource<RmrkString>;1355pub type RmrkComposableResource = ComposableResource<RmrkString, RmrkBoundedParts>;1356pub type RmrkSlotResource = SlotResource<RmrkString>;13571358pub type RmrkString = BoundedVec<u8, RmrkStringLimit>;1359pub type RmrkCollectionSymbol = BoundedVec<u8, RmrkCollectionSymbolLimit>;1360pub type RmrkBaseSymbol = BoundedVec<u8, RmrkBaseSymbolLimit>;1361pub type RmrkKeyString = BoundedVec<u8, RmrkKeyLimit>;1362pub type RmrkValueString = BoundedVec<u8, RmrkValueLimit>;1363pub type RmrkBoundedResource = BoundedVec<u8, RmrkResourceSymbolLimit>;1364pub type RmrkBoundedParts = BoundedVec<RmrkPartId, RmrkPartsLimit>; // todo make sure it is needed13651366pub type RmrkRpcString = Vec<u8>;1367pub type RmrkThemeName = RmrkRpcString;1368pub type RmrkPropertyKey = RmrkRpcString;1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! # Primitives crate.18//!19//! This crate contains amount of types, traits and constants.2021#![cfg_attr(not(feature = "std"), no_std)]2223use core::{24 convert::{TryFrom, TryInto},25 fmt,26};27use frame_support::{28 storage::{bounded_btree_map::BoundedBTreeMap, bounded_btree_set::BoundedBTreeSet},29 traits::Get,30 parameter_types,31};3233#[cfg(feature = "serde")]34use serde::{Serialize, Deserialize};3536use sp_core::U256;37use sp_runtime::{ArithmeticError, sp_std::prelude::Vec, Permill};38use codec::{Decode, Encode, EncodeLike, MaxEncodedLen};39use frame_support::{BoundedVec, traits::ConstU32};40use derivative::Derivative;41use scale_info::TypeInfo;4243// RMRK44use rmrk_traits::{45 CollectionInfo, NftInfo, ResourceInfo, PropertyInfo, BaseInfo, PartType, Theme, ThemeProperty,46 ResourceTypes, BasicResource, ComposableResource, SlotResource, EquippableList,47};48pub use rmrk_traits::{49 primitives::{50 CollectionId as RmrkCollectionId, NftId as RmrkNftId, BaseId as RmrkBaseId,51 SlotId as RmrkSlotId, PartId as RmrkPartId, ResourceId as RmrkResourceId,52 },53 NftChild as RmrkNftChild, AccountIdOrCollectionNftTuple as RmrkAccountIdOrCollectionNftTuple,54 FixedPart as RmrkFixedPart, SlotPart as RmrkSlotPart,55};5657mod bounded;58pub mod budget;59pub mod mapping;60mod migration;6162/// Maximum of decimal points.63pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;6465/// Maximum pieces for refungible token.66pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;67pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;6869/// Maximum tokens for user.70pub const MAX_TOKEN_OWNERSHIP: u32 = if cfg!(not(feature = "limit-testing")) {71 100_00072} else {73 1074};7576/// Maximum for collections can be created.77pub const COLLECTION_NUMBER_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {78 100_00079} else {80 1081};8283/// Maximum for various custom data of token.84pub const CUSTOM_DATA_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {85 204886} else {87 1088};8990/// Maximum admins per collection.91pub const COLLECTION_ADMINS_LIMIT: u32 = 5;9293/// Maximum tokens per collection.94pub const COLLECTION_TOKEN_LIMIT: u32 = u32::MAX;9596/// Maximum tokens per account.97pub const ACCOUNT_TOKEN_OWNERSHIP_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {98 1_000_00099} else {100 10101};102103/// Default timeout for transfer sponsoring NFT item.104pub const NFT_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;105/// Default timeout for transfer sponsoring fungible item.106pub const FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;107/// Default timeout for transfer sponsoring refungible item.108pub const REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;109110/// Default timeout for sponsored approving.111pub const SPONSOR_APPROVE_TIMEOUT: u32 = 5;112113// Schema limits114pub const OFFCHAIN_SCHEMA_LIMIT: u32 = 8192;115pub const VARIABLE_ON_CHAIN_SCHEMA_LIMIT: u32 = 8192;116pub const CONST_ON_CHAIN_SCHEMA_LIMIT: u32 = 32768;117118// TODO: not used. Delete?119pub const COLLECTION_FIELD_LIMIT: u32 = CONST_ON_CHAIN_SCHEMA_LIMIT;120121/// Maximum length for collection name.122pub const MAX_COLLECTION_NAME_LENGTH: u32 = 64;123124/// Maximum length for collection description.125pub const MAX_COLLECTION_DESCRIPTION_LENGTH: u32 = 256;126127/// Maximal token prefix length.128pub const MAX_TOKEN_PREFIX_LENGTH: u32 = 16;129130/// Maximal lenght of property key.131pub const MAX_PROPERTY_KEY_LENGTH: u32 = 256;132133/// Maximal lenght of property value.134pub const MAX_PROPERTY_VALUE_LENGTH: u32 = 32768;135136/// Maximum properties that can be assigned to token.137pub const MAX_PROPERTIES_PER_ITEM: u32 = 64;138139/// Maximal lenght of extended property value.140pub const MAX_AUX_PROPERTY_VALUE_LENGTH: u32 = 2048;141142/// Maximum size for all collection properties.143pub const MAX_COLLECTION_PROPERTIES_SIZE: u32 = 40960;144145/// Maximum size for all token properties.146pub const MAX_TOKEN_PROPERTIES_SIZE: u32 = 32768;147148/// How much items can be created per single149/// create_many call.150pub const MAX_ITEMS_PER_BATCH: u32 = 200;151152/// Used for limit bounded types of token custom data.153pub type CustomDataLimit = ConstU32<CUSTOM_DATA_LIMIT>;154155/// Collection id.156#[derive(157 Encode,158 Decode,159 PartialEq,160 Eq,161 PartialOrd,162 Ord,163 Clone,164 Copy,165 Debug,166 Default,167 TypeInfo,168 MaxEncodedLen,169)]170#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]171pub struct CollectionId(pub u32);172impl EncodeLike<u32> for CollectionId {}173impl EncodeLike<CollectionId> for u32 {}174175/// Token id.176#[derive(177 Encode,178 Decode,179 PartialEq,180 Eq,181 PartialOrd,182 Ord,183 Clone,184 Copy,185 Debug,186 Default,187 TypeInfo,188 MaxEncodedLen,189)]190#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]191pub struct TokenId(pub u32);192impl EncodeLike<u32> for TokenId {}193impl EncodeLike<TokenId> for u32 {}194195impl TokenId {196 /// Try to get next token id.197 ///198 /// If next id cause overflow, then [`ArithmeticError::Overflow`] returned.199 pub fn try_next(self) -> Result<TokenId, ArithmeticError> {200 self.0201 .checked_add(1)202 .ok_or(ArithmeticError::Overflow)203 .map(Self)204 }205}206207impl From<TokenId> for U256 {208 fn from(t: TokenId) -> Self {209 t.0.into()210 }211}212213impl TryFrom<U256> for TokenId {214 type Error = &'static str;215216 fn try_from(value: U256) -> Result<Self, Self::Error> {217 Ok(TokenId(value.try_into().map_err(|_| "too large token id")?))218 }219}220221/// Token data.222#[derive(Encode, Decode, Clone, PartialEq, TypeInfo)]223#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]224pub struct TokenData<CrossAccountId> {225 /// Properties of token.226 pub properties: Vec<Property>,227228 /// Token owner.229 pub owner: Option<CrossAccountId>,230231 /// Token pieces.232 pub pieces: u128,233}234235// TODO: unused type236pub struct OverflowError;237impl From<OverflowError> for &'static str {238 fn from(_: OverflowError) -> Self {239 "overflow occured"240 }241}242243/// Alias for decimal points type.244pub type DecimalPoints = u8;245246/// Collection mode.247///248/// Collection can represent various types of tokens.249/// Each collection can contain only one type of tokens at a time.250/// This type helps to understand which tokens the collection contains.251#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]252#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]253pub enum CollectionMode {254 /// Non fungible tokens.255 NFT,256 /// Fungible tokens.257 Fungible(DecimalPoints),258 /// Refungible tokens.259 ReFungible,260}261262impl CollectionMode {263 /// Get collection mod as number.264 pub fn id(&self) -> u8 {265 match self {266 CollectionMode::NFT => 1,267 CollectionMode::Fungible(_) => 2,268 CollectionMode::ReFungible => 3,269 }270 }271}272273// TODO: unused trait274pub trait SponsoringResolve<AccountId, Call> {275 fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;276}277278/// Access mode for some token operations.279#[derive(Encode, Decode, Eq, Debug, Clone, Copy, PartialEq, TypeInfo, MaxEncodedLen)]280#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]281pub enum AccessMode {282 /// Access grant for owner and admins. Used as default.283 Normal,284 /// Like a [`Normal`](AccessMode::Normal) but also users in allow list.285 AllowList,286}287impl Default for AccessMode {288 fn default() -> Self {289 Self::Normal290 }291}292293// TODO: remove in future.294#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]295#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]296pub enum SchemaVersion {297 ImageURL,298 Unique,299}300impl Default for SchemaVersion {301 fn default() -> Self {302 Self::ImageURL303 }304}305306// TODO: unused type307#[derive(Encode, Decode, Default, Debug, Clone, PartialEq, TypeInfo)]308#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]309pub struct Ownership<AccountId> {310 pub owner: AccountId,311 pub fraction: u128,312}313314/// The state of collection sponsorship.315#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]316#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]317pub enum SponsorshipState<AccountId> {318 /// The fees are applied to the transaction sender.319 Disabled,320 /// The sponsor is under consideration. Until the sponsor gives his consent,321 /// the fee will still be charged to sender.322 Unconfirmed(AccountId),323 /// Transactions are sponsored by specified account.324 Confirmed(AccountId),325}326327impl<AccountId> SponsorshipState<AccountId> {328 /// Get a sponsor of the collection who has confirmed his status.329 pub fn sponsor(&self) -> Option<&AccountId> {330 match self {331 Self::Confirmed(sponsor) => Some(sponsor),332 _ => None,333 }334 }335336 /// Get a sponsor of the collection who has pending or confirmed status.337 pub fn pending_sponsor(&self) -> Option<&AccountId> {338 match self {339 Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),340 _ => None,341 }342 }343344 /// Whether the sponsorship is confirmed.345 pub fn confirmed(&self) -> bool {346 matches!(self, Self::Confirmed(_))347 }348}349350impl<T> Default for SponsorshipState<T> {351 fn default() -> Self {352 Self::Disabled353 }354}355356pub type CollectionName = BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>;357pub type CollectionDescription = BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>;358pub type CollectionTokenPrefix = BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>;359360/// Base structure for represent collection.361///362/// Used to provide basic functionality for all types of collections.363///364/// #### Note365/// Collection parameters, used in storage (see [`RpcCollection`] for the RPC version).366#[struct_versioning::versioned(version = 2, upper)]367#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen)]368pub struct Collection<AccountId> {369 /// Collection owner account.370 pub owner: AccountId,371372 /// Collection mode.373 pub mode: CollectionMode,374375 /// Access mode.376 #[version(..2)]377 pub access: AccessMode,378379 /// Collection name.380 pub name: CollectionName,381382 /// Collection description.383 pub description: CollectionDescription,384385 /// Token prefix.386 pub token_prefix: CollectionTokenPrefix,387388 #[version(..2)]389 pub mint_mode: bool,390391 #[version(..2)]392 pub offchain_schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,393394 #[version(..2)]395 pub schema_version: SchemaVersion,396397 /// The state of sponsorship of the collection.398 pub sponsorship: SponsorshipState<AccountId>,399400 /// Collection limits.401 pub limits: CollectionLimits,402403 /// Collection permissions.404 #[version(2.., upper(Default::default()))]405 pub permissions: CollectionPermissions,406407 /// Marks that this collection is not "unique", and managed from external.408 #[version(2.., upper(false))]409 pub external_collection: bool,410411 #[version(..2)]412 pub variable_on_chain_schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>,413414 #[version(..2)]415 pub const_on_chain_schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>,416417 #[version(..2)]418 pub meta_update_permission: MetaUpdatePermission,419}420421/// Collection parameters, used in RPC calls (see [`Collection`] for the storage version).422#[derive(Encode, Decode, Clone, PartialEq, TypeInfo)]423#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]424pub struct RpcCollection<AccountId> {425 /// Collection owner account.426 pub owner: AccountId,427428 /// Collection mode.429 pub mode: CollectionMode,430431 /// Collection name.432 pub name: Vec<u16>,433434 /// Collection description.435 pub description: Vec<u16>,436437 /// Token prefix.438 pub token_prefix: Vec<u8>,439440 /// The state of sponsorship of the collection.441 pub sponsorship: SponsorshipState<AccountId>,442443 /// Collection limits.444 pub limits: CollectionLimits,445446 /// Collection permissions.447 pub permissions: CollectionPermissions,448449 /// Token property permissions.450 pub token_property_permissions: Vec<PropertyKeyPermission>,451452 /// Collection properties.453 pub properties: Vec<Property>,454455 /// Is collection read only.456 pub read_only: bool,457}458459/// Data used for create collection.460///461/// All fields are wrapped in [`Option`], where `None` means chain default.462#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, Derivative, MaxEncodedLen)]463#[derivative(Debug, Default(bound = ""))]464pub struct CreateCollectionData<AccountId> {465 /// Collection mode.466 #[derivative(Default(value = "CollectionMode::NFT"))]467 pub mode: CollectionMode,468469 /// Access mode.470 pub access: Option<AccessMode>,471472 /// Collection name.473 pub name: CollectionName,474475 /// Collection description.476 pub description: CollectionDescription,477478 /// Token prefix.479 pub token_prefix: CollectionTokenPrefix,480481 /// Pending collection sponsor.482 pub pending_sponsor: Option<AccountId>,483484 /// Collection limits.485 pub limits: Option<CollectionLimits>,486487 /// Collection permissions.488 pub permissions: Option<CollectionPermissions>,489490 /// Token property permissions.491 pub token_property_permissions: CollectionPropertiesPermissionsVec,492493 /// Collection properties.494 pub properties: CollectionPropertiesVec,495}496497/// Bounded vector of properties permissions. Max length is [`MAX_PROPERTIES_PER_ITEM`].498// TODO: maybe rename to PropertiesPermissionsVec499pub type CollectionPropertiesPermissionsVec =500 BoundedVec<PropertyKeyPermission, ConstU32<MAX_PROPERTIES_PER_ITEM>>;501502/// Bounded vector of properties. Max length is [`MAX_PROPERTIES_PER_ITEM`].503pub type CollectionPropertiesVec = BoundedVec<Property, ConstU32<MAX_PROPERTIES_PER_ITEM>>;504505/// Limits and restrictions of a collection.506///507/// All fields are wrapped in [`Option`], where `None` means chain default.508///509/// Update with `pallet_common::Pallet::clamp_limits`.510// IMPORTANT: When adding/removing fields from this struct - don't forget to also511#[derive(Encode, Decode, Debug, Default, Clone, PartialEq, TypeInfo, MaxEncodedLen)]512#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]513// When adding/removing fields from this struct - don't forget to also update with `pallet_common::Pallet::clamp_limits`.514// TODO: move `pallet_common::Pallet::clamp_limits` into `impl CollectionLimits`.515// TODO: may be remove [`Option`] and **pub** from fields and create struct with default values.516pub struct CollectionLimits {517 /// How many tokens can a user have on one account.518 /// * Default - [`ACCOUNT_TOKEN_OWNERSHIP_LIMIT`].519 /// * Limit - [`MAX_TOKEN_OWNERSHIP`].520 pub account_token_ownership_limit: Option<u32>,521522 /// How many bytes of data are available for sponsorship.523 /// * Default - [`CUSTOM_DATA_LIMIT`].524 /// * Limit - [`CUSTOM_DATA_LIMIT`].525 pub sponsored_data_size: Option<u32>,526527 // FIXME should we delete this or repurpose it?528 /// Times in how many blocks we sponsor data.529 ///530 /// If is `Some(v)` then **setVariableMetadata** is sponsored if there is `v` block between transactions.531 ///532 /// * Default - [`SponsoringDisabled`](SponsoringRateLimit::SponsoringDisabled).533 /// * Limit - [`MAX_SPONSOR_TIMEOUT`].534 ///535 /// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]536 pub sponsored_data_rate_limit: Option<SponsoringRateLimit>,537 /// Maximum amount of tokens inside the collection. Chain default: [`COLLECTION_TOKEN_LIMIT`]538539 /// How many tokens can be mined into this collection.540 ///541 /// * Default - [`COLLECTION_TOKEN_LIMIT`].542 /// * Limit - [`COLLECTION_TOKEN_LIMIT`].543 pub token_limit: Option<u32>,544545 /// Timeouts for transfer sponsoring.546 ///547 /// * Default548 /// - **Fungible** - [`FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT`]549 /// - **NFT** - [`NFT_SPONSOR_TRANSFER_TIMEOUT`]550 /// - **Refungible** - [`REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT`]551 /// * Limit - [`MAX_SPONSOR_TIMEOUT`].552 pub sponsor_transfer_timeout: Option<u32>,553554 /// Timeout for sponsoring an approval in passed blocks.555 ///556 /// * Default - [`SPONSOR_APPROVE_TIMEOUT`].557 /// * Limit - [`MAX_SPONSOR_TIMEOUT`].558 pub sponsor_approve_timeout: Option<u32>,559560 /// Whether the collection owner of the collection can send tokens (which belong to other users).561 ///562 /// * Default - **false**.563 pub owner_can_transfer: Option<bool>,564565 /// Can the collection owner burn other people's tokens.566 ///567 /// * Default - **true**.568 pub owner_can_destroy: Option<bool>,569570 /// Is it possible to send tokens from this collection between users.571 ///572 /// * Default - **true**.573 pub transfers_enabled: Option<bool>,574}575576impl CollectionLimits {577 /// Get effective value for [`account_token_ownership_limit`](self.account_token_ownership_limit).578 pub fn account_token_ownership_limit(&self) -> u32 {579 self.account_token_ownership_limit580 .unwrap_or(ACCOUNT_TOKEN_OWNERSHIP_LIMIT)581 .min(MAX_TOKEN_OWNERSHIP)582 }583584 /// Get effective value for [`sponsored_data_size`](self.sponsored_data_size).585 pub fn sponsored_data_size(&self) -> u32 {586 self.sponsored_data_size587 .unwrap_or(CUSTOM_DATA_LIMIT)588 .min(CUSTOM_DATA_LIMIT)589 }590591 /// Get effective value for [`token_limit`](self.token_limit).592 pub fn token_limit(&self) -> u32 {593 self.token_limit594 .unwrap_or(COLLECTION_TOKEN_LIMIT)595 .min(COLLECTION_TOKEN_LIMIT)596 }597598 // TODO: may be replace u32 to mode?599 /// Get effective value for [`sponsor_transfer_timeout`](self.sponsor_transfer_timeout).600 pub fn sponsor_transfer_timeout(&self, default: u32) -> u32 {601 self.sponsor_transfer_timeout602 .unwrap_or(default)603 .min(MAX_SPONSOR_TIMEOUT)604 }605606 /// Get effective value for [`sponsor_approve_timeout`](self.sponsor_approve_timeout).607 pub fn sponsor_approve_timeout(&self) -> u32 {608 self.sponsor_approve_timeout609 .unwrap_or(SPONSOR_APPROVE_TIMEOUT)610 .min(MAX_SPONSOR_TIMEOUT)611 }612613 /// Get effective value for [`owner_can_transfer`](self.owner_can_transfer).614 pub fn owner_can_transfer(&self) -> bool {615 self.owner_can_transfer.unwrap_or(false)616 }617618 /// Get effective value for [`owner_can_transfer_instaled`](self.owner_can_transfer_instaled).619 pub fn owner_can_transfer_instaled(&self) -> bool {620 self.owner_can_transfer.is_some()621 }622623 /// Get effective value for [`owner_can_destroy`](self.owner_can_destroy).624 pub fn owner_can_destroy(&self) -> bool {625 self.owner_can_destroy.unwrap_or(true)626 }627628 /// Get effective value for [`transfers_enabled`](self.transfers_enabled).629 pub fn transfers_enabled(&self) -> bool {630 self.transfers_enabled.unwrap_or(true)631 }632633 /// Get effective value for [`sponsored_data_rate_limit`](self.sponsored_data_rate_limit).634 pub fn sponsored_data_rate_limit(&self) -> Option<u32> {635 match self636 .sponsored_data_rate_limit637 .unwrap_or(SponsoringRateLimit::SponsoringDisabled)638 {639 SponsoringRateLimit::SponsoringDisabled => None,640 SponsoringRateLimit::Blocks(v) => Some(v.min(MAX_SPONSOR_TIMEOUT)),641 }642 }643}644645/// Permissions on certain operations within a collection.646///647/// Some fields are wrapped in [`Option`], where `None` means chain default.648///649/// Update with `pallet_common::Pallet::clamp_permissions`.650#[derive(Encode, Decode, Debug, Default, Clone, PartialEq, TypeInfo, MaxEncodedLen)]651#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]652// When adding/removing fields from this struct - don't forget to also update `pallet_common::Pallet::clamp_permissions`.653// TODO: move `pallet_common::Pallet::clamp_permissions` into `impl CollectionPermissions`.654pub struct CollectionPermissions {655 /// Access mode.656 ///657 /// * Default - [`AccessMode::Normal`].658 pub access: Option<AccessMode>,659660 /// Minting allowance.661 ///662 /// * Default - **false**.663 pub mint_mode: Option<bool>,664665 /// Permissions for nesting.666 ///667 /// * Default668 /// - `token_owner` - **false**669 /// - `collection_admin` - **false**670 /// - `restricted` - **None**671 pub nesting: Option<NestingPermissions>,672}673674impl CollectionPermissions {675 /// Get effective value for [`access`](self.access).676 pub fn access(&self) -> AccessMode {677 self.access.unwrap_or(AccessMode::Normal)678 }679680 /// Get effective value for [`mint_mode`](self.mint_mode).681 pub fn mint_mode(&self) -> bool {682 self.mint_mode.unwrap_or(false)683 }684685 /// Get effective value for [`nesting`](self.nesting).686 pub fn nesting(&self) -> &NestingPermissions {687 static DEFAULT: NestingPermissions = NestingPermissions {688 token_owner: false,689 collection_admin: false,690 restricted: None,691 #[cfg(feature = "runtime-benchmarks")]692 permissive: false,693 };694 self.nesting.as_ref().unwrap_or(&DEFAULT)695 }696}697698/// Inner set for collections allowed to nest.699type OwnerRestrictedSetInner = BoundedBTreeSet<CollectionId, ConstU32<16>>;700701/// Wraper for collections set allowing nest.702#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen, Derivative)]703#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]704#[derivative(Debug)]705pub struct OwnerRestrictedSet(706 #[cfg_attr(feature = "serde1", serde(with = "bounded::set_serde"))]707 #[derivative(Debug(format_with = "bounded::set_debug"))]708 pub OwnerRestrictedSetInner,709);710711impl OwnerRestrictedSet {712 /// Create new set.713 pub fn new() -> Self {714 Self(Default::default())715 }716}717impl core::ops::Deref for OwnerRestrictedSet {718 type Target = OwnerRestrictedSetInner;719 fn deref(&self) -> &Self::Target {720 &self.0721 }722}723impl core::ops::DerefMut for OwnerRestrictedSet {724 fn deref_mut(&mut self) -> &mut Self::Target {725 &mut self.0726 }727}728729/// Part of collection permissions, if set, defines who is able to nest tokens into other tokens.730#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen, Derivative)]731#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]732#[derivative(Debug)]733pub struct NestingPermissions {734 /// Owner of token can nest tokens under it.735 pub token_owner: bool,736 /// Admin of token collection can nest tokens under token.737 pub collection_admin: bool,738 /// If set - only tokens from specified collections can be nested.739 pub restricted: Option<OwnerRestrictedSet>,740741 #[cfg(feature = "runtime-benchmarks")]742 /// Anyone can nest tokens, mutually exclusive with `token_owner`, `admin`.743 pub permissive: bool,744}745746/// Enum denominating how often can sponsoring occur if it is enabled.747///748/// Used for [`collection limits`](CollectionLimits).749#[derive(Encode, Decode, Debug, Clone, Copy, PartialEq, TypeInfo, MaxEncodedLen)]750#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]751pub enum SponsoringRateLimit {752 /// Sponsoring is disabled, and the collection sponsor will not pay for transactions753 SponsoringDisabled,754 /// Once per how many blocks can sponsorship of a transaction type occur755 Blocks(u32),756}757758/// Data used to describe an NFT at creation.759#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative, TypeInfo)]760#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]761#[derivative(Debug)]762pub struct CreateNftData {763 /// Key-value pairs used to describe the token as metadata764 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]765 #[derivative(Debug(format_with = "bounded::vec_debug"))]766 /// Properties that wil be assignet to created item.767 pub properties: CollectionPropertiesVec,768}769770/// Data used to describe a Fungible token at creation.771#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq, TypeInfo)]772#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]773pub struct CreateFungibleData {774 /// Number of fungible coins minted775 pub value: u128,776}777778/// Data used to describe a Refungible token at creation.779#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative, TypeInfo)]780#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]781#[derivative(Debug)]782pub struct CreateReFungibleData {783 /// Immutable metadata of the token784 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]785 #[derivative(Debug(format_with = "bounded::vec_debug"))]786 pub const_data: BoundedVec<u8, CustomDataLimit>,787788 /// Pieces of created token.789 pub pieces: u128,790791 /// Key-value pairs used to describe the token as metadata792 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]793 #[derivative(Debug(format_with = "bounded::vec_debug"))]794 pub properties: CollectionPropertiesVec,795}796797// TODO: remove this.798#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]799#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]800pub enum MetaUpdatePermission {801 ItemOwner,802 Admin,803 None,804}805806/// Enum holding data used for creation of all three item types.807/// Unified data for create item.808#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]809#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]810pub enum CreateItemData {811 /// Data for create NFT.812 NFT(CreateNftData),813 /// Data for create Fungible item.814 Fungible(CreateFungibleData),815 /// Data for create ReFungible item.816 ReFungible(CreateReFungibleData),817}818819/// Extended data for create NFT.820#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]821#[derivative(Debug)]822pub struct CreateNftExData<CrossAccountId> {823 /// Properties that wil be assignet to created item.824 #[derivative(Debug(format_with = "bounded::vec_debug"))]825 pub properties: CollectionPropertiesVec,826827 /// Owner of creating item.828 pub owner: CrossAccountId,829}830831/// Extended data for create ReFungible item.832#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]833#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]834pub struct CreateRefungibleExData<CrossAccountId> {835 /// Custom data stored in token.836 #[derivative(Debug(format_with = "bounded::vec_debug"))]837 pub const_data: BoundedVec<u8, CustomDataLimit>,838839 /// Users who will be assigned the specified number of token parts.840 #[derivative(Debug(format_with = "bounded::map_debug"))]841 pub users: BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,842 #[derivative(Debug(format_with = "bounded::vec_debug"))]843 pub properties: CollectionPropertiesVec,844}845846/// Unified extended data for creating item.847#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]848#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]849pub enum CreateItemExData<CrossAccountId> {850 /// Extended data for create NFT.851 NFT(852 #[derivative(Debug(format_with = "bounded::vec_debug"))]853 BoundedVec<CreateNftExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,854 ),855856 /// Extended data for create Fungible item.857 Fungible(858 #[derivative(Debug(format_with = "bounded::map_debug"))]859 BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,860 ),861862 /// Extended data for create ReFungible item in case of863 /// many tokens, each may have only one owner864 RefungibleMultipleItems(865 #[derivative(Debug(format_with = "bounded::vec_debug"))]866 BoundedVec<CreateRefungibleExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,867 ),868869 /// Extended data for create ReFungible item in case of870 /// single token, which may have many owners871 RefungibleMultipleOwners(CreateRefungibleExData<CrossAccountId>),872}873874impl CreateItemData {875 /// Get size of custom data.876 pub fn data_size(&self) -> usize {877 match self {878 CreateItemData::ReFungible(data) => data.const_data.len(),879 _ => 0,880 }881 }882}883884impl From<CreateNftData> for CreateItemData {885 fn from(item: CreateNftData) -> Self {886 CreateItemData::NFT(item)887 }888}889890impl From<CreateReFungibleData> for CreateItemData {891 fn from(item: CreateReFungibleData) -> Self {892 CreateItemData::ReFungible(item)893 }894}895896impl From<CreateFungibleData> for CreateItemData {897 fn from(item: CreateFungibleData) -> Self {898 CreateItemData::Fungible(item)899 }900}901902/// Token's address, dictated by its collection and token IDs.903#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]904#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]905// todo possibly rename to be used generally as an address pair906pub struct TokenChild {907 /// Token id.908 pub token: TokenId,909910 /// Collection id.911 pub collection: CollectionId,912}913914/// Collection statistics.915#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]916#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]917pub struct CollectionStats {918 /// Number of created items.919 pub created: u32,920921 /// Number of burned items.922 pub destroyed: u32,923924 /// Number of current items.925 pub alive: u32,926}927928/// This type works like [`PhantomData`] but supports generating _scale-info_ descriptions to generate node metadata.929#[derive(Encode, Decode, Clone, Debug)]930#[cfg_attr(feature = "std", derive(PartialEq))]931pub struct PhantomType<T>(core::marker::PhantomData<T>);932933impl<T: TypeInfo + 'static> TypeInfo for PhantomType<T> {934 type Identity = PhantomType<T>;935936 fn type_info() -> scale_info::Type {937 use scale_info::{938 Type, Path,939 build::{FieldsBuilder, UnnamedFields},940 type_params,941 };942 Type::builder()943 .path(Path::new("up_data_structs", "PhantomType"))944 .type_params(type_params!(T))945 .composite(<FieldsBuilder<UnnamedFields>>::default().field(|b| b.ty::<[T; 0]>()))946 }947}948impl<T> MaxEncodedLen for PhantomType<T> {949 fn max_encoded_len() -> usize {950 0951 }952}953954/// Bounded vector of bytes.955pub type BoundedBytes<S> = BoundedVec<u8, S>;956957/// Extra properties for external collections.958pub type AuxPropertyValue = BoundedBytes<ConstU32<MAX_AUX_PROPERTY_VALUE_LENGTH>>;959960/// Property key.961pub type PropertyKey = BoundedBytes<ConstU32<MAX_PROPERTY_KEY_LENGTH>>;962963/// Property value.964pub type PropertyValue = BoundedBytes<ConstU32<MAX_PROPERTY_VALUE_LENGTH>>;965966/// Property permission.967#[derive(Encode, Decode, TypeInfo, Debug, MaxEncodedLen, PartialEq, Clone)]968#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]969pub struct PropertyPermission {970 /// Permission to change the property and property permission.971 ///972 /// If it **false** then you can not change corresponding property even if [`collection_admin`] and [`token_owner`] are **true**.973 pub mutable: bool,974975 /// Change permission for the collection administrator.976 pub collection_admin: bool,977978 /// Permission to change the property for the owner of the token.979 pub token_owner: bool,980}981982impl PropertyPermission {983 /// Creates mutable property permission but changes restricted for collection admin and token owner.984 pub fn none() -> Self {985 Self {986 mutable: true,987 collection_admin: false,988 token_owner: false,989 }990 }991}992993/// Property is simpl key-value record.994#[derive(Encode, Decode, Debug, TypeInfo, Clone, PartialEq, MaxEncodedLen)]995#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]996pub struct Property {997 /// Property key.998 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]999 pub key: PropertyKey,10001001 /// Property value.1002 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]1003 pub value: PropertyValue,1004}10051006impl Into<(PropertyKey, PropertyValue)> for Property {1007 fn into(self) -> (PropertyKey, PropertyValue) {1008 (self.key, self.value)1009 }1010}10111012/// Record for proprty key permission.1013#[derive(Encode, Decode, TypeInfo, Debug, MaxEncodedLen, PartialEq, Clone)]1014#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]1015pub struct PropertyKeyPermission {1016 /// Key.1017 #[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]1018 pub key: PropertyKey,10191020 /// Permission.1021 pub permission: PropertyPermission,1022}10231024impl Into<(PropertyKey, PropertyPermission)> for PropertyKeyPermission {1025 fn into(self) -> (PropertyKey, PropertyPermission) {1026 (self.key, self.permission)1027 }1028}10291030/// Errors for properties actions.1031#[derive(Debug)]1032pub enum PropertiesError {1033 /// The space allocated for properties has run out.1034 ///1035 /// * Limit for colection - [`MAX_COLLECTION_PROPERTIES_SIZE`].1036 /// * Limit for token - [`MAX_TOKEN_PROPERTIES_SIZE`].1037 NoSpaceForProperty,10381039 /// The property limit has been reached.1040 ///1041 /// * Limit - [`MAX_PROPERTIES_PER_ITEM`].1042 PropertyLimitReached,10431044 /// Property key contains not allowed character.1045 InvalidCharacterInPropertyKey,10461047 /// Property key length is too long.1048 ///1049 /// * Limit - [`MAX_PROPERTY_KEY_LENGTH`].1050 PropertyKeyIsTooLong,10511052 /// Property key is empty.1053 EmptyPropertyKey,1054}10551056/// Marker for scope of property.1057///1058/// Scoped property can't be changed by user. Used for external collections.1059#[derive(Encode, Decode, MaxEncodedLen, TypeInfo, PartialEq, Clone, Copy)]1060pub enum PropertyScope {1061 None,1062 Rmrk,1063}10641065impl PropertyScope {1066 /// Apply scope to property key.1067 pub fn apply(self, key: PropertyKey) -> Result<PropertyKey, PropertiesError> {1068 let scope_str: &[u8] = match self {1069 Self::None => return Ok(key),1070 Self::Rmrk => b"rmrk",1071 };10721073 [scope_str, b":", key.as_slice()]1074 .concat()1075 .try_into()1076 .map_err(|_| PropertiesError::PropertyKeyIsTooLong)1077 }1078}10791080/// Trait for operate with properties.1081pub trait TrySetProperty: Sized {1082 type Value;10831084 /// Try to set property with scope.1085 fn try_scoped_set(1086 &mut self,1087 scope: PropertyScope,1088 key: PropertyKey,1089 value: Self::Value,1090 ) -> Result<(), PropertiesError>;10911092 /// Try to set property with scope from iterator.1093 fn try_scoped_set_from_iter<I, KV>(1094 &mut self,1095 scope: PropertyScope,1096 iter: I,1097 ) -> Result<(), PropertiesError>1098 where1099 I: Iterator<Item = KV>,1100 KV: Into<(PropertyKey, Self::Value)>,1101 {1102 for kv in iter {1103 let (key, value) = kv.into();1104 self.try_scoped_set(scope, key, value)?;1105 }11061107 Ok(())1108 }11091110 /// Try to set property.1111 fn try_set(&mut self, key: PropertyKey, value: Self::Value) -> Result<(), PropertiesError> {1112 self.try_scoped_set(PropertyScope::None, key, value)1113 }11141115 /// Try to set property from iterator.1116 fn try_set_from_iter<I, KV>(&mut self, iter: I) -> Result<(), PropertiesError>1117 where1118 I: Iterator<Item = KV>,1119 KV: Into<(PropertyKey, Self::Value)>,1120 {1121 self.try_scoped_set_from_iter(PropertyScope::None, iter)1122 }1123}11241125/// Wrapped map for storing properties.1126#[derive(Encode, Decode, TypeInfo, Derivative, Clone, PartialEq, MaxEncodedLen)]1127#[derivative(Default(bound = ""))]1128pub struct PropertiesMap<Value>(1129 BoundedBTreeMap<PropertyKey, Value, ConstU32<MAX_PROPERTIES_PER_ITEM>>,1130);11311132impl<Value> PropertiesMap<Value> {1133 /// Create new property map.1134 pub fn new() -> Self {1135 Self(BoundedBTreeMap::new())1136 }11371138 /// Remove property from map.1139 pub fn remove(&mut self, key: &PropertyKey) -> Result<Option<Value>, PropertiesError> {1140 Self::check_property_key(key)?;11411142 Ok(self.0.remove(key))1143 }11441145 /// Get property with appropriate key from map.1146 pub fn get(&self, key: &PropertyKey) -> Option<&Value> {1147 self.0.get(key)1148 }11491150 /// Check if map contains key.1151 pub fn contains_key(&self, key: &PropertyKey) -> bool {1152 self.0.contains_key(key)1153 }11541155 /// Check if map contains key with key validation.1156 fn check_property_key(key: &PropertyKey) -> Result<(), PropertiesError> {1157 if key.is_empty() {1158 return Err(PropertiesError::EmptyPropertyKey);1159 }11601161 for byte in key.as_slice().iter() {1162 let byte = *byte;11631164 if !byte.is_ascii_alphanumeric() && byte != b'_' && byte != b'-' && byte != b'.' {1165 return Err(PropertiesError::InvalidCharacterInPropertyKey);1166 }1167 }11681169 Ok(())1170 }1171}11721173impl<Value> IntoIterator for PropertiesMap<Value> {1174 type Item = (PropertyKey, Value);1175 type IntoIter = <1176 BoundedBTreeMap<1177 PropertyKey,1178 Value,1179 ConstU32<MAX_PROPERTIES_PER_ITEM>1180 > as IntoIterator1181 >::IntoIter;11821183 fn into_iter(self) -> Self::IntoIter {1184 self.0.into_iter()1185 }1186}11871188impl<Value> TrySetProperty for PropertiesMap<Value> {1189 type Value = Value;11901191 fn try_scoped_set(1192 &mut self,1193 scope: PropertyScope,1194 key: PropertyKey,1195 value: Self::Value,1196 ) -> Result<(), PropertiesError> {1197 Self::check_property_key(&key)?;11981199 let key = scope.apply(key)?;1200 self.01201 .try_insert(key, value)1202 .map_err(|_| PropertiesError::PropertyLimitReached)?;12031204 Ok(())1205 }1206}12071208/// Alias for property permissions map.1209pub type PropertiesPermissionMap = PropertiesMap<PropertyPermission>;12101211/// Wrapper for properties map with consumed space control.1212#[derive(Encode, Decode, TypeInfo, Clone, PartialEq, MaxEncodedLen)]1213pub struct Properties {1214 map: PropertiesMap<PropertyValue>,1215 consumed_space: u32,1216 space_limit: u32,1217}12181219impl Properties {1220 /// Create new properies container.1221 pub fn new(space_limit: u32) -> Self {1222 Self {1223 map: PropertiesMap::new(),1224 consumed_space: 0,1225 space_limit,1226 }1227 }12281229 /// Remove propery with appropiate key.1230 pub fn remove(&mut self, key: &PropertyKey) -> Result<Option<PropertyValue>, PropertiesError> {1231 let value = self.map.remove(key)?;12321233 if let Some(ref value) = value {1234 let value_len = value.len() as u32;1235 self.consumed_space -= value_len;1236 }12371238 Ok(value)1239 }12401241 /// Get property with appropriate key.1242 pub fn get(&self, key: &PropertyKey) -> Option<&PropertyValue> {1243 self.map.get(key)1244 }1245}12461247impl IntoIterator for Properties {1248 type Item = (PropertyKey, PropertyValue);1249 type IntoIter = <PropertiesMap<PropertyValue> as IntoIterator>::IntoIter;12501251 fn into_iter(self) -> Self::IntoIter {1252 self.map.into_iter()1253 }1254}12551256impl TrySetProperty for Properties {1257 type Value = PropertyValue;12581259 fn try_scoped_set(1260 &mut self,1261 scope: PropertyScope,1262 key: PropertyKey,1263 value: Self::Value,1264 ) -> Result<(), PropertiesError> {1265 let value_len = value.len();12661267 if self.consumed_space as usize + value_len > self.space_limit as usize1268 && !cfg!(feature = "runtime-benchmarks")1269 {1270 return Err(PropertiesError::NoSpaceForProperty);1271 }12721273 self.map.try_scoped_set(scope, key, value)?;12741275 self.consumed_space += value_len as u32;12761277 Ok(())1278 }1279}12801281/// Utility struct for using in `StorageMap`.1282pub struct CollectionProperties;12831284impl Get<Properties> for CollectionProperties {1285 fn get() -> Properties {1286 Properties::new(MAX_COLLECTION_PROPERTIES_SIZE)1287 }1288}12891290/// Utility struct for using in `StorageMap`.1291pub struct TokenProperties;12921293impl Get<Properties> for TokenProperties {1294 fn get() -> Properties {1295 Properties::new(MAX_TOKEN_PROPERTIES_SIZE)1296 }1297}12981299// RMRK1300// todo document?1301parameter_types! {1302 #[derive(PartialEq, TypeInfo)]1303 pub const RmrkStringLimit: u32 = 128;1304 #[derive(PartialEq)]1305 pub const RmrkCollectionSymbolLimit: u32 = MAX_TOKEN_PREFIX_LENGTH;1306 #[derive(PartialEq)]1307 pub const RmrkResourceSymbolLimit: u32 = 10;1308 #[derive(PartialEq)]1309 pub const RmrkBaseSymbolLimit: u32 = MAX_TOKEN_PREFIX_LENGTH;1310 #[derive(PartialEq)]1311 pub const RmrkKeyLimit: u32 = 32;1312 #[derive(PartialEq)]1313 pub const RmrkValueLimit: u32 = 256;1314 #[derive(PartialEq)]1315 pub const RmrkMaxCollectionsEquippablePerPart: u32 = 100;1316 #[derive(PartialEq)]1317 pub const MaxPropertiesPerTheme: u32 = 5;1318 #[derive(PartialEq)]1319 pub const RmrkPartsLimit: u32 = 25;1320 #[derive(PartialEq)]1321 pub const RmrkMaxPriorities: u32 = 25;1322 #[derive(PartialEq)]1323 pub const MaxResourcesOnMint: u32 = 100;1324}13251326impl From<RmrkCollectionId> for CollectionId {1327 fn from(id: RmrkCollectionId) -> Self {1328 Self(id)1329 }1330}13311332impl From<RmrkNftId> for TokenId {1333 fn from(id: RmrkNftId) -> Self {1334 Self(id)1335 }1336}13371338pub type RmrkCollectionInfo<AccountId> =1339 CollectionInfo<RmrkString, RmrkCollectionSymbol, AccountId>;1340pub type RmrkInstanceInfo<AccountId> = NftInfo<AccountId, Permill, RmrkString>;1341pub type RmrkResourceInfo = ResourceInfo<RmrkString, RmrkBoundedParts>;1342pub type RmrkPropertyInfo = PropertyInfo<RmrkKeyString, RmrkValueString>;1343pub type RmrkBaseInfo<AccountId> = BaseInfo<AccountId, RmrkString>;1344pub type BoundedEquippableCollectionIds =1345 BoundedVec<RmrkCollectionId, RmrkMaxCollectionsEquippablePerPart>;1346pub type RmrkPartType = PartType<RmrkString, BoundedEquippableCollectionIds>;1347pub type RmrkEquippableList = EquippableList<BoundedEquippableCollectionIds>;1348pub type RmrkThemeProperty = ThemeProperty<RmrkString>;1349pub type RmrkTheme = Theme<RmrkString, Vec<RmrkThemeProperty>>;1350pub type RmrkBoundedTheme = Theme<RmrkString, BoundedVec<RmrkThemeProperty, MaxPropertiesPerTheme>>;1351pub type RmrkResourceTypes = ResourceTypes<RmrkString, RmrkBoundedParts>;13521353pub type RmrkBasicResource = BasicResource<RmrkString>;1354pub type RmrkComposableResource = ComposableResource<RmrkString, RmrkBoundedParts>;1355pub type RmrkSlotResource = SlotResource<RmrkString>;13561357pub type RmrkString = BoundedVec<u8, RmrkStringLimit>;1358pub type RmrkCollectionSymbol = BoundedVec<u8, RmrkCollectionSymbolLimit>;1359pub type RmrkBaseSymbol = BoundedVec<u8, RmrkBaseSymbolLimit>;1360pub type RmrkKeyString = BoundedVec<u8, RmrkKeyLimit>;1361pub type RmrkValueString = BoundedVec<u8, RmrkValueLimit>;1362pub type RmrkBoundedResource = BoundedVec<u8, RmrkResourceSymbolLimit>;1363pub type RmrkBoundedParts = BoundedVec<RmrkPartId, RmrkPartsLimit>; // todo make sure it is needed13641365pub type RmrkRpcString = Vec<u8>;1366pub type RmrkThemeName = RmrkRpcString;1367pub type RmrkPropertyKey = RmrkRpcString;primitives/rpc/src/lib.rsdiffbeforeafterboth--- a/primitives/rpc/src/lib.rs
+++ b/primitives/rpc/src/lib.rs
@@ -82,7 +82,7 @@
/// Get account balance for collection (sum of tokens pieces).
fn account_balance(collection: CollectionId, account: CrossAccountId) -> Result<u32>;
-
+
/// Get account balance for specified token.
fn balance(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<u128>;