git.delta.rocks / unique-network / refs/commits / 7faf112aedc7

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#![cfg_attr(not(feature = "std"), no_std)]1819use core::{20	convert::{TryFrom, TryInto},21	fmt,22};23use frame_support::{24	storage::{bounded_btree_map::BoundedBTreeMap, bounded_btree_set::BoundedBTreeSet},25	traits::Get,26	parameter_types,27};2829#[cfg(feature = "serde")]30use serde::{Serialize, Deserialize};3132use sp_core::U256;33use sp_runtime::{ArithmeticError, sp_std::prelude::Vec, Permill};34use codec::{Decode, Encode, EncodeLike, MaxEncodedLen};35use frame_support::{BoundedVec, traits::ConstU32};36use derivative::Derivative;37use scale_info::TypeInfo;3839// RMRK40use rmrk_types::{41	CollectionInfo, NftInfo, ResourceInfo, PropertyInfo, BaseInfo, PartType, Theme, ThemeProperty,42};43pub use rmrk_types::{44	primitives::{45		CollectionId as RmrkCollectionId, NftId as RmrkNftId, BaseId as RmrkBaseId,46		PartId as RmrkPartId, ResourceId as RmrkResourceId,47	},48	NftChild as RmrkNftChild, AccountIdOrCollectionNftTuple as RmrkAccountIdOrCollectionNftTuple,49};5051mod bounded;52pub mod budget;53pub mod mapping;54mod migration;5556pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;57pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;58pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;5960pub const MAX_TOKEN_OWNERSHIP: u32 = if cfg!(not(feature = "limit-testing")) {61	100_00062} else {63	1064};65pub const COLLECTION_NUMBER_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {66	100_00067} else {68	1069};70pub const CUSTOM_DATA_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {71	204872} else {73	1074};75pub const COLLECTION_ADMINS_LIMIT: u32 = 5;76pub const COLLECTION_TOKEN_LIMIT: u32 = u32::MAX;77pub const ACCOUNT_TOKEN_OWNERSHIP_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {78	1_000_00079} else {80	1081};8283// Timeouts for item types in passed blocks84pub const NFT_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;85pub const FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;86pub const REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;8788pub const SPONSOR_APPROVE_TIMEOUT: u32 = 5;8990// Schema limits91pub const OFFCHAIN_SCHEMA_LIMIT: u32 = 8192;92pub const VARIABLE_ON_CHAIN_SCHEMA_LIMIT: u32 = 8192;93pub const CONST_ON_CHAIN_SCHEMA_LIMIT: u32 = 32768;9495pub const COLLECTION_FIELD_LIMIT: u32 = CONST_ON_CHAIN_SCHEMA_LIMIT;9697pub const MAX_COLLECTION_NAME_LENGTH: u32 = 64;98pub const MAX_COLLECTION_DESCRIPTION_LENGTH: u32 = 256;99pub const MAX_TOKEN_PREFIX_LENGTH: u32 = 16;100101pub const MAX_PROPERTY_KEY_LENGTH: u32 = 256;102pub const MAX_PROPERTY_VALUE_LENGTH: u32 = 32768;103pub const MAX_PROPERTIES_PER_ITEM: u32 = 64;104105// pub const MAX_PROPERTY_KEYS_OVERALL_LENGTH: u32 = MAX_PROPERTY_KEY_LENGTH * MAX_PROPERTIES_PER_ITEM;106pub const MAX_COLLECTION_PROPERTIES_SIZE: u32 = 40960;107pub const MAX_TOKEN_PROPERTIES_SIZE: u32 = 32768;108109pub const MAX_COLLECTION_PROPERTIES_ENCODE_LEN: u32 =110	MAX_PROPERTIES_PER_ITEM * MAX_PROPERTY_KEY_LENGTH + MAX_COLLECTION_PROPERTIES_SIZE;111112// RMRK constants113pub const RMRK_STRING_LIMIT: u32 = 128;114pub const RMRK_COLLECTION_SYMBOL_LIMIT: u32 = 100;115pub const RMRK_RESOURCE_SYMBOL_LIMIT: u32 = 10;116pub const RMRK_KEY_LIMIT: u32 = 32;117pub const RMRK_VALUE_LIMIT: u32 = 256;118119pub struct MaxPropertiesPermissionsEncodeLen;120121impl Get<u32> for MaxPropertiesPermissionsEncodeLen {122	fn get() -> u32 {123		MAX_PROPERTIES_PER_ITEM * MAX_PROPERTY_KEY_LENGTH124			+ <PropertyPermission as MaxEncodedLen>::max_encoded_len() as u32125	}126}127128/// How much items can be created per single129/// create_many call130pub const MAX_ITEMS_PER_BATCH: u32 = 200;131132pub type CustomDataLimit = ConstU32<CUSTOM_DATA_LIMIT>;133134#[derive(135	Encode,136	Decode,137	PartialEq,138	Eq,139	PartialOrd,140	Ord,141	Clone,142	Copy,143	Debug,144	Default,145	TypeInfo,146	MaxEncodedLen,147)]148#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]149pub struct CollectionId(pub u32);150impl EncodeLike<u32> for CollectionId {}151impl EncodeLike<CollectionId> for u32 {}152153#[derive(154	Encode,155	Decode,156	PartialEq,157	Eq,158	PartialOrd,159	Ord,160	Clone,161	Copy,162	Debug,163	Default,164	TypeInfo,165	MaxEncodedLen,166)]167#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]168pub struct TokenId(pub u32);169impl EncodeLike<u32> for TokenId {}170impl EncodeLike<TokenId> for u32 {}171172impl TokenId {173	pub fn try_next(self) -> Result<TokenId, ArithmeticError> {174		self.0175			.checked_add(1)176			.ok_or(ArithmeticError::Overflow)177			.map(Self)178	}179}180181impl From<TokenId> for U256 {182	fn from(t: TokenId) -> Self {183		t.0.into()184	}185}186187impl TryFrom<U256> for TokenId {188	type Error = &'static str;189190	fn try_from(value: U256) -> Result<Self, Self::Error> {191		Ok(TokenId(value.try_into().map_err(|_| "too large token id")?))192	}193}194195#[derive(Encode, Decode, Clone, PartialEq, TypeInfo)]196#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]197pub struct TokenData<CrossAccountId> {198	pub const_data: Vec<u8>,199	pub properties: Vec<Property>,200	pub owner: Option<CrossAccountId>,201}202203pub struct OverflowError;204impl From<OverflowError> for &'static str {205	fn from(_: OverflowError) -> Self {206		"overflow occured"207	}208}209210pub type DecimalPoints = u8;211212#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]213#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]214pub enum CollectionMode {215	NFT,216	// decimal points217	Fungible(DecimalPoints),218	ReFungible,219}220221impl CollectionMode {222	pub fn id(&self) -> u8 {223		match self {224			CollectionMode::NFT => 1,225			CollectionMode::Fungible(_) => 2,226			CollectionMode::ReFungible => 3,227		}228	}229}230231pub trait SponsoringResolve<AccountId, Call> {232	fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;233}234235#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]236#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]237pub enum AccessMode {238	Normal,239	AllowList,240}241impl Default for AccessMode {242	fn default() -> Self {243		Self::Normal244	}245}246247#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]248#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]249pub enum SchemaVersion {250	ImageURL,251	Unique,252}253impl Default for SchemaVersion {254	fn default() -> Self {255		Self::ImageURL256	}257}258259#[derive(Encode, Decode, Default, Debug, Clone, PartialEq, TypeInfo)]260#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]261pub struct Ownership<AccountId> {262	pub owner: AccountId,263	pub fraction: u128,264}265266#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]267#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]268pub enum SponsorshipState<AccountId> {269	/// The fees are applied to the transaction sender270	Disabled,271	Unconfirmed(AccountId),272	/// Transactions are sponsored by specified account273	Confirmed(AccountId),274}275276impl<AccountId> SponsorshipState<AccountId> {277	pub fn sponsor(&self) -> Option<&AccountId> {278		match self {279			Self::Confirmed(sponsor) => Some(sponsor),280			_ => None,281		}282	}283284	pub fn pending_sponsor(&self) -> Option<&AccountId> {285		match self {286			Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),287			_ => None,288		}289	}290291	pub fn confirmed(&self) -> bool {292		matches!(self, Self::Confirmed(_))293	}294}295296impl<T> Default for SponsorshipState<T> {297	fn default() -> Self {298		Self::Disabled299	}300}301302/// Used in storage303#[struct_versioning::versioned(version = 2, upper)]304#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen)]305pub struct Collection<AccountId> {306	pub owner: AccountId,307	pub mode: CollectionMode,308	pub access: AccessMode,309	pub name: BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>,310	pub description: BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>,311	pub token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,312	pub mint_mode: bool,313314	#[version(..2)]315	pub offchain_schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,316317	pub schema_version: SchemaVersion,318	pub sponsorship: SponsorshipState<AccountId>,319320	#[version(..2)]321	pub limits: CollectionLimitsVersion1, // Collection private restrictions322	#[version(2.., upper(limits.into()))]323	pub limits: CollectionLimitsVersion2,324325	#[version(..2)]326	pub variable_on_chain_schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>,327328	#[version(..2)]329	pub const_on_chain_schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>,330331	#[version(..2)]332	pub meta_update_permission: MetaUpdatePermission,333}334335/// Used in RPC calls336#[derive(Encode, Decode, Clone, PartialEq, TypeInfo)]337#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]338pub struct RpcCollection<AccountId> {339	pub owner: AccountId,340	pub mode: CollectionMode,341	pub access: AccessMode,342	pub name: Vec<u16>,343	pub description: Vec<u16>,344	pub token_prefix: Vec<u8>,345	pub mint_mode: bool,346	pub offchain_schema: Vec<u8>,347	pub schema_version: SchemaVersion,348	pub sponsorship: SponsorshipState<AccountId>,349	pub limits: CollectionLimits,350	pub const_on_chain_schema: Vec<u8>,351	pub token_property_permissions: Vec<PropertyKeyPermission>,352	pub properties: Vec<Property>,353}354355#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen)]356#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]357pub enum CollectionField {358	ConstOnChainSchema,359	OffchainSchema,360}361362#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, Derivative, MaxEncodedLen)]363#[derivative(Debug, Default(bound = ""))]364pub struct CreateCollectionData<AccountId> {365	#[derivative(Default(value = "CollectionMode::NFT"))]366	pub mode: CollectionMode,367	pub access: Option<AccessMode>,368	pub name: BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>,369	pub description: BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>,370	pub token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,371	pub offchain_schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,372	pub schema_version: Option<SchemaVersion>,373	pub pending_sponsor: Option<AccountId>,374	pub limits: Option<CollectionLimits>,375	pub const_on_chain_schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>,376	pub token_property_permissions: CollectionPropertiesPermissionsVec,377	pub properties: CollectionPropertiesVec,378}379380pub type CollectionPropertiesPermissionsVec =381	BoundedVec<PropertyKeyPermission, MaxPropertiesPermissionsEncodeLen>;382383pub type CollectionPropertiesVec =384	BoundedVec<Property, ConstU32<MAX_COLLECTION_PROPERTIES_ENCODE_LEN>>;385386/// All fields are wrapped in `Option`s, where None means chain default387#[struct_versioning::versioned(version = 2, upper)]388#[derive(Encode, Decode, Debug, Default, Clone, PartialEq, TypeInfo, MaxEncodedLen)]389#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]390pub struct CollectionLimits {391	pub account_token_ownership_limit: Option<u32>,392	pub sponsored_data_size: Option<u32>,393394	/// FIXME should we delete this or repurpose it?395	/// None - setVariableMetadata is not sponsored396	/// Some(v) - setVariableMetadata is sponsored397	///           if there is v block between txs398	pub sponsored_data_rate_limit: Option<SponsoringRateLimit>,399	pub token_limit: Option<u32>,400401	// Timeouts for item types in passed blocks402	pub sponsor_transfer_timeout: Option<u32>,403	pub sponsor_approve_timeout: Option<u32>,404	pub owner_can_transfer: Option<bool>,405	pub owner_can_destroy: Option<bool>,406	pub transfers_enabled: Option<bool>,407408	#[version(2.., upper(None))]409	pub nesting_rule: Option<NestingRule>,410}411412impl CollectionLimits {413	pub fn account_token_ownership_limit(&self) -> u32 {414		self.account_token_ownership_limit415			.unwrap_or(ACCOUNT_TOKEN_OWNERSHIP_LIMIT)416			.min(MAX_TOKEN_OWNERSHIP)417	}418	pub fn sponsored_data_size(&self) -> u32 {419		self.sponsored_data_size420			.unwrap_or(CUSTOM_DATA_LIMIT)421			.min(CUSTOM_DATA_LIMIT)422	}423	pub fn token_limit(&self) -> u32 {424		self.token_limit425			.unwrap_or(COLLECTION_TOKEN_LIMIT)426			.min(COLLECTION_TOKEN_LIMIT)427	}428	pub fn sponsor_transfer_timeout(&self, default: u32) -> u32 {429		self.sponsor_transfer_timeout430			.unwrap_or(default)431			.min(MAX_SPONSOR_TIMEOUT)432	}433	pub fn sponsor_approve_timeout(&self) -> u32 {434		self.sponsor_approve_timeout435			.unwrap_or(SPONSOR_APPROVE_TIMEOUT)436			.min(MAX_SPONSOR_TIMEOUT)437	}438	pub fn owner_can_transfer(&self) -> bool {439		self.owner_can_transfer.unwrap_or(true)440	}441	pub fn owner_can_destroy(&self) -> bool {442		self.owner_can_destroy.unwrap_or(true)443	}444	pub fn transfers_enabled(&self) -> bool {445		self.transfers_enabled.unwrap_or(true)446	}447	pub fn sponsored_data_rate_limit(&self) -> Option<u32> {448		match self449			.sponsored_data_rate_limit450			.unwrap_or(SponsoringRateLimit::SponsoringDisabled)451		{452			SponsoringRateLimit::SponsoringDisabled => None,453			SponsoringRateLimit::Blocks(v) => Some(v.min(MAX_SPONSOR_TIMEOUT)),454		}455	}456	pub fn nesting_rule(&self) -> &NestingRule {457		static DEFAULT: NestingRule = NestingRule::Disabled;458		self.nesting_rule.as_ref().unwrap_or(&DEFAULT)459	}460}461462#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen, Derivative)]463#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]464#[derivative(Debug)]465pub enum NestingRule {466	/// No one can nest tokens467	Disabled,468	/// Owner can nest any tokens469	Owner,470	/// Owner can nest tokens from specified collections471	OwnerRestricted(472		#[cfg_attr(feature = "serde1", serde(with = "bounded::set_serde"))]473		#[derivative(Debug(format_with = "bounded::set_debug"))]474		BoundedBTreeSet<CollectionId, ConstU32<16>>,475	),476}477478#[derive(Encode, Decode, Debug, Clone, Copy, PartialEq, TypeInfo, MaxEncodedLen)]479#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]480pub enum SponsoringRateLimit {481	SponsoringDisabled,482	Blocks(u32),483}484485#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative, TypeInfo)]486#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]487#[derivative(Debug)]488pub struct CreateNftData {489	#[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]490	#[derivative(Debug(format_with = "bounded::vec_debug"))]491	pub const_data: BoundedVec<u8, CustomDataLimit>,492493	#[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]494	#[derivative(Debug(format_with = "bounded::vec_debug"))]495	pub properties: CollectionPropertiesVec,496}497498#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq, TypeInfo)]499#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]500pub struct CreateFungibleData {501	pub value: u128,502}503504#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative, TypeInfo)]505#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]506#[derivative(Debug)]507pub struct CreateReFungibleData {508	#[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]509	#[derivative(Debug(format_with = "bounded::vec_debug"))]510	pub const_data: BoundedVec<u8, CustomDataLimit>,511	pub pieces: u128,512}513514#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]515pub enum MetaUpdatePermission {516	ItemOwner,517	Admin,518	None,519}520521#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]522#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]523pub enum CreateItemData {524	NFT(CreateNftData),525	Fungible(CreateFungibleData),526	ReFungible(CreateReFungibleData),527}528529#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]530#[derivative(Debug)]531pub struct CreateNftExData<CrossAccountId> {532	#[derivative(Debug(format_with = "bounded::vec_debug"))]533	pub const_data: BoundedVec<u8, CustomDataLimit>,534	#[derivative(Debug(format_with = "bounded::vec_debug"))]535	pub properties: CollectionPropertiesVec,536	pub owner: CrossAccountId,537}538539#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]540#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]541pub struct CreateRefungibleExData<CrossAccountId> {542	#[derivative(Debug(format_with = "bounded::vec_debug"))]543	pub const_data: BoundedVec<u8, CustomDataLimit>,544	#[derivative(Debug(format_with = "bounded::map_debug"))]545	pub users: BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,546}547548#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]549#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]550pub enum CreateItemExData<CrossAccountId> {551	NFT(552		#[derivative(Debug(format_with = "bounded::vec_debug"))]553		BoundedVec<CreateNftExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,554	),555	Fungible(556		#[derivative(Debug(format_with = "bounded::map_debug"))]557		BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,558	),559	/// Many tokens, each may have only one owner560	RefungibleMultipleItems(561		#[derivative(Debug(format_with = "bounded::vec_debug"))]562		BoundedVec<CreateRefungibleExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,563	),564	/// Single token, which may have many owners565	RefungibleMultipleOwners(CreateRefungibleExData<CrossAccountId>),566}567568impl CreateItemData {569	pub fn data_size(&self) -> usize {570		match self {571			CreateItemData::NFT(data) => data.const_data.len(),572			CreateItemData::ReFungible(data) => data.const_data.len(),573			_ => 0,574		}575	}576}577578impl From<CreateNftData> for CreateItemData {579	fn from(item: CreateNftData) -> Self {580		CreateItemData::NFT(item)581	}582}583584impl From<CreateReFungibleData> for CreateItemData {585	fn from(item: CreateReFungibleData) -> Self {586		CreateItemData::ReFungible(item)587	}588}589590impl From<CreateFungibleData> for CreateItemData {591	fn from(item: CreateFungibleData) -> Self {592		CreateItemData::Fungible(item)593	}594}595596#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]597#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]598pub struct CollectionStats {599	pub created: u32,600	pub destroyed: u32,601	pub alive: u32,602}603604#[derive(Encode, Decode, Clone, Debug)]605#[cfg_attr(feature = "std", derive(PartialEq))]606pub struct PhantomType<T>(core::marker::PhantomData<T>);607608impl<T: TypeInfo + 'static> TypeInfo for PhantomType<T> {609	type Identity = PhantomType<T>;610611	fn type_info() -> scale_info::Type {612		use scale_info::{613			Type, Path,614			build::{FieldsBuilder, UnnamedFields},615			type_params,616		};617		Type::builder()618			.path(Path::new("up_data_structs", "PhantomType"))619			.type_params(type_params!(T))620			.composite(<FieldsBuilder<UnnamedFields>>::default().field(|b| b.ty::<[T; 0]>()))621	}622}623impl<T> MaxEncodedLen for PhantomType<T> {624	fn max_encoded_len() -> usize {625		0626	}627}628629pub type PropertyKey = BoundedVec<u8, ConstU32<MAX_PROPERTY_KEY_LENGTH>>;630pub type PropertyValue = BoundedVec<u8, ConstU32<MAX_PROPERTY_VALUE_LENGTH>>;631632#[derive(Encode, Decode, TypeInfo, Debug, MaxEncodedLen, PartialEq, Clone)]633#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]634pub struct PropertyPermission {635	pub mutable: bool,636	pub collection_admin: bool,637	pub token_owner: bool,638}639640impl PropertyPermission {641	pub fn none() -> Self {642		Self {643			mutable: true,644			collection_admin: false,645			token_owner: false,646		}647	}648}649650#[derive(Encode, Decode, Debug, TypeInfo, Clone, PartialEq, MaxEncodedLen)]651#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]652pub struct Property {653	#[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]654	pub key: PropertyKey,655656	#[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]657	pub value: PropertyValue,658}659660impl Into<(PropertyKey, PropertyValue)> for Property {661	fn into(self) -> (PropertyKey, PropertyValue) {662		(self.key, self.value)663	}664}665666#[derive(Encode, Decode, TypeInfo, Debug, MaxEncodedLen, PartialEq, Clone)]667#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]668pub struct PropertyKeyPermission {669	#[cfg_attr(feature = "serde1", serde(with = "bounded::vec_serde"))]670	pub key: PropertyKey,671672	pub permission: PropertyPermission,673}674675impl Into<(PropertyKey, PropertyPermission)> for PropertyKeyPermission {676	fn into(self) -> (PropertyKey, PropertyPermission) {677		(self.key, self.permission)678	}679}680681#[derive(Debug)]682pub enum PropertiesError {683	NoSpaceForProperty,684	PropertyLimitReached,685	InvalidCharacterInPropertyKey,686	PropertyKeyIsTooLong,687	EmptyPropertyKey,688}689690#[derive(Clone, Copy)]691pub enum PropertyScope {692	None,693	Rmrk,694}695696impl PropertyScope {697	pub fn apply(self, key: PropertyKey) -> Result<PropertyKey, PropertiesError> {698		let scope_str: &[u8] = match self {699			Self::None => return Ok(key),700			Self::Rmrk => b"rmrk",701		};702703		[scope_str, b":", key.as_slice()]704			.concat()705			.try_into()706			.map_err(|_| PropertiesError::PropertyKeyIsTooLong)707	}708}709710pub trait TrySetProperty: Sized {711	type Value;712713	fn try_scoped_set(714		&mut self,715		scope: PropertyScope,716		key: PropertyKey,717		value: Self::Value,718	) -> Result<(), PropertiesError>;719720	fn try_scoped_set_from_iter<I, KV>(721		&mut self,722		scope: PropertyScope,723		iter: I,724	) -> Result<(), PropertiesError>725	where726		I: Iterator<Item=KV>,727		KV: Into<(PropertyKey, Self::Value)>728	{729		for kv in iter {730			let (key, value) = kv.into();731			self.try_scoped_set(scope, key, value)?;732		}733734		Ok(())735	}736737	fn try_set(&mut self, key: PropertyKey, value: Self::Value) -> Result<(), PropertiesError> {738		self.try_scoped_set(PropertyScope::None, key, value)739	}740741	fn try_set_from_iter<I, KV>(&mut self, iter: I) -> Result<(), PropertiesError>742	where743		I: Iterator<Item=KV>,744		KV: Into<(PropertyKey, Self::Value)>745	{746		self.try_scoped_set_from_iter(PropertyScope::None, iter)747	}748}749750#[derive(Encode, Decode, TypeInfo, Derivative, Clone, PartialEq, MaxEncodedLen)]751#[derivative(Default(bound = ""))]752pub struct PropertiesMap<Value>(753	BoundedBTreeMap<PropertyKey, Value, ConstU32<MAX_PROPERTIES_PER_ITEM>>,754);755756impl<Value> PropertiesMap<Value> {757	pub fn new() -> Self {758		Self(BoundedBTreeMap::new())759	}760761	pub fn remove(&mut self, key: &PropertyKey) -> Result<Option<Value>, PropertiesError> {762		Self::check_property_key(key)?;763764		Ok(self.0.remove(key))765	}766767	pub fn get(&self, key: &PropertyKey) -> Option<&Value> {768		self.0.get(key)769	}770771	pub fn iter(&self) -> impl Iterator<Item = (&PropertyKey, &Value)> {772		self.0.iter()773	}774775	fn check_property_key(key: &PropertyKey) -> Result<(), PropertiesError> {776		if key.is_empty() {777			return Err(PropertiesError::EmptyPropertyKey);778		}779780		for byte in key.as_slice().iter() {781			let byte = *byte;782783			if !byte.is_ascii_alphanumeric() && byte != b'_' && byte != b'-' {784				return Err(PropertiesError::InvalidCharacterInPropertyKey);785			}786		}787788		Ok(())789	}790}791792impl<Value> TrySetProperty for PropertiesMap<Value> {793	type Value = Value;794795	fn try_scoped_set(796		&mut self,797		scope: PropertyScope,798		key: PropertyKey,799		value: Self::Value,800	) -> Result<(), PropertiesError> {801		Self::check_property_key(&key)?;802803		let key = scope.apply(key)?;804		self.0805			.try_insert(key, value)806			.map_err(|_| PropertiesError::PropertyLimitReached)?;807808		Ok(())809	}810}811812pub type PropertiesPermissionMap = PropertiesMap<PropertyPermission>;813814#[derive(Encode, Decode, TypeInfo, Clone, PartialEq, MaxEncodedLen)]815pub struct Properties {816	map: PropertiesMap<PropertyValue>,817	consumed_space: u32,818	space_limit: u32,819}820821impl Properties {822	pub fn new(space_limit: u32) -> Self {823		Self {824			map: PropertiesMap::new(),825			consumed_space: 0,826			space_limit,827		}828	}829830	pub fn remove(&mut self, key: &PropertyKey) -> Result<Option<PropertyValue>, PropertiesError> {831		let value = self.map.remove(key)?;832833		if let Some(ref value) = value {834			let value_len = value.len() as u32;835			self.consumed_space -= value_len;836		}837838		Ok(value)839	}840841	pub fn get(&self, key: &PropertyKey) -> Option<&PropertyValue> {842		self.map.get(key)843	}844845	pub fn iter(&self) -> impl Iterator<Item = (&PropertyKey, &PropertyValue)> {846		self.map.iter()847	}848}849850impl TrySetProperty for Properties {851	type Value = PropertyValue;852853	fn try_scoped_set(854		&mut self,855		scope: PropertyScope,856		key: PropertyKey,857		value: Self::Value,858	) -> Result<(), PropertiesError> {859		let value_len = value.len();860861		if self.consumed_space as usize + value_len > self.space_limit as usize {862			return Err(PropertiesError::NoSpaceForProperty);863		}864865		self.map.try_scoped_set(scope, key, value)?;866867		self.consumed_space += value_len as u32;868869		Ok(())870	}871}872873pub struct CollectionProperties;874875impl Get<Properties> for CollectionProperties {876	fn get() -> Properties {877		Properties::new(MAX_COLLECTION_PROPERTIES_SIZE)878	}879}880881pub struct TokenProperties;882883impl Get<Properties> for TokenProperties {884	fn get() -> Properties {885		Properties::new(MAX_TOKEN_PROPERTIES_SIZE)886	}887}888889// RMRK890// todo document?891parameter_types! {892	#[derive(PartialEq, TypeInfo)]893	pub const RmrkStringLimit: u32 = 128;894	#[derive(PartialEq)]895	pub const RmrkCollectionSymbolLimit: u32 = 100;896	#[derive(PartialEq)]897	pub const RmrkResourceSymbolLimit: u32 = 10;898	#[derive(PartialEq)]899	pub const RmrkKeyLimit: u32 = 32;900	#[derive(PartialEq)]901	pub const RmrkValueLimit: u32 = 256;902	#[derive(PartialEq)]903	pub const RmrkMaxCollectionsEquippablePerPart: u32 = 100;904	#[derive(PartialEq)]905	pub const RmrkPartsLimit: u32 = 3;906}907908pub type RmrkCollectionInfo<AccountId> =909	CollectionInfo<RmrkString, BoundedVec<u8, RmrkCollectionSymbolLimit>, AccountId>;910pub type RmrkInstanceInfo<AccountId> = NftInfo<AccountId, Permill, RmrkString>;911pub type RmrkResourceInfo = ResourceInfo<912	BoundedVec<u8, RmrkResourceSymbolLimit>,913	RmrkString,914	BoundedVec<RmrkPartId, RmrkPartsLimit>,915>;916pub type RmrkPropertyInfo =917	PropertyInfo<BoundedVec<u8, RmrkKeyLimit>, BoundedVec<u8, RmrkValueLimit>>;918pub type RmrkBaseInfo<AccountId> = BaseInfo<AccountId, RmrkString>;919pub type RmrkPartType =920	PartType<RmrkString, BoundedVec<RmrkCollectionId, RmrkMaxCollectionsEquippablePerPart>>;921pub type RmrkTheme = Theme<RmrkString, Vec<ThemeProperty<RmrkString>>>;922923pub type RmrkRpcString = Vec<u8>;924pub type RmrkThemeName = RmrkRpcString;925pub type RmrkPropertyKey = RmrkRpcString;926927type RmrkString = BoundedVec<u8, RmrkStringLimit>;