git.delta.rocks / unique-network / refs/commits / e9953e99cb51

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::ConstU16,26};27use sp_std::collections::{btree_map::BTreeMap, btree_set::BTreeSet};2829#[cfg(feature = "serde")]30use serde::{Serialize, Deserialize};3132use sp_core::U256;33use sp_runtime::{ArithmeticError, sp_std::prelude::Vec};34use codec::{Decode, Encode, EncodeLike, MaxEncodedLen};35use frame_support::{BoundedVec, traits::ConstU32};36use derivative::Derivative;37use scale_info::TypeInfo;3839pub mod mapping;40mod migration;4142pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;43pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;44pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;4546pub const MAX_TOKEN_OWNERSHIP: u32 = if cfg!(not(feature = "limit-testing")) {47	100_00048} else {49	1050};51pub const COLLECTION_NUMBER_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {52	100_00053} else {54	1055};56pub const CUSTOM_DATA_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {57	204858} else {59	1060};61pub const COLLECTION_ADMINS_LIMIT: u32 = 5;62pub const COLLECTION_TOKEN_LIMIT: u32 = u32::MAX;63pub const ACCOUNT_TOKEN_OWNERSHIP_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {64	1_000_00065} else {66	1067};6869// Timeouts for item types in passed blocks70pub const NFT_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;71pub const FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;72pub const REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;7374pub const SPONSOR_APPROVE_TIMEOUT: u32 = 5;7576// Schema limits77pub const OFFCHAIN_SCHEMA_LIMIT: u32 = 8192;78pub const VARIABLE_ON_CHAIN_SCHEMA_LIMIT: u32 = 8192;79pub const CONST_ON_CHAIN_SCHEMA_LIMIT: u32 = 32768;8081pub const MAX_COLLECTION_NAME_LENGTH: u32 = 64;82pub const MAX_COLLECTION_DESCRIPTION_LENGTH: u32 = 256;83pub const MAX_TOKEN_PREFIX_LENGTH: u32 = 16;8485/// How much items can be created per single86/// create_many call87pub const MAX_ITEMS_PER_BATCH: u32 = 200;8889pub type CustomDataLimit = ConstU32<CUSTOM_DATA_LIMIT>;9091#[derive(92	Encode,93	Decode,94	PartialEq,95	Eq,96	PartialOrd,97	Ord,98	Clone,99	Copy,100	Debug,101	Default,102	TypeInfo,103	MaxEncodedLen,104)]105#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]106pub struct CollectionId(pub u32);107impl EncodeLike<u32> for CollectionId {}108impl EncodeLike<CollectionId> for u32 {}109110#[derive(111	Encode,112	Decode,113	PartialEq,114	Eq,115	PartialOrd,116	Ord,117	Clone,118	Copy,119	Debug,120	Default,121	TypeInfo,122	MaxEncodedLen,123)]124#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]125pub struct TokenId(pub u32);126impl EncodeLike<u32> for TokenId {}127impl EncodeLike<TokenId> for u32 {}128129impl TokenId {130	pub fn try_next(self) -> Result<TokenId, ArithmeticError> {131		self.0132			.checked_add(1)133			.ok_or(ArithmeticError::Overflow)134			.map(Self)135	}136}137138impl From<TokenId> for U256 {139	fn from(t: TokenId) -> Self {140		t.0.into()141	}142}143144impl TryFrom<U256> for TokenId {145	type Error = &'static str;146147	fn try_from(value: U256) -> Result<Self, Self::Error> {148		Ok(TokenId(value.try_into().map_err(|_| "too large token id")?))149	}150}151152pub struct OverflowError;153impl From<OverflowError> for &'static str {154	fn from(_: OverflowError) -> Self {155		"overflow occured"156	}157}158159pub type DecimalPoints = u8;160161#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]162#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]163pub enum CollectionMode {164	NFT,165	// decimal points166	Fungible(DecimalPoints),167	ReFungible,168}169170impl CollectionMode {171	pub fn id(&self) -> u8 {172		match self {173			CollectionMode::NFT => 1,174			CollectionMode::Fungible(_) => 2,175			CollectionMode::ReFungible => 3,176		}177	}178}179180pub trait SponsoringResolve<AccountId, Call> {181	fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;182}183184#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]185#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]186pub enum AccessMode {187	Normal,188	AllowList,189}190impl Default for AccessMode {191	fn default() -> Self {192		Self::Normal193	}194}195196#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]197#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]198pub enum SchemaVersion {199	ImageURL,200	Unique,201}202impl Default for SchemaVersion {203	fn default() -> Self {204		Self::ImageURL205	}206}207208#[derive(Encode, Decode, Default, Debug, Clone, PartialEq, TypeInfo)]209#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]210pub struct Ownership<AccountId> {211	pub owner: AccountId,212	pub fraction: u128,213}214215#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]216#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]217pub enum SponsorshipState<AccountId> {218	/// The fees are applied to the transaction sender219	Disabled,220	Unconfirmed(AccountId),221	/// Transactions are sponsored by specified account222	Confirmed(AccountId),223}224225impl<AccountId> SponsorshipState<AccountId> {226	pub fn sponsor(&self) -> Option<&AccountId> {227		match self {228			Self::Confirmed(sponsor) => Some(sponsor),229			_ => None,230		}231	}232233	pub fn pending_sponsor(&self) -> Option<&AccountId> {234		match self {235			Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),236			_ => None,237		}238	}239240	pub fn confirmed(&self) -> bool {241		matches!(self, Self::Confirmed(_))242	}243}244245impl<T> Default for SponsorshipState<T> {246	fn default() -> Self {247		Self::Disabled248	}249}250251#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen)]252#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]253pub struct Collection<AccountId> {254	pub owner: AccountId,255	pub mode: CollectionMode,256	pub access: AccessMode,257	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]258	pub name: BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>,259	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]260	pub description: BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>,261	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]262	pub token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,263	pub mint_mode: bool,264	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]265	pub offchain_schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,266	pub schema_version: SchemaVersion,267	pub sponsorship: SponsorshipState<AccountId>,268	pub limits: CollectionLimits, // Collection private restrictions269	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]270	pub variable_on_chain_schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>,271	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]272	pub const_on_chain_schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>,273	pub meta_update_permission: MetaUpdatePermission,274}275276#[derive(Encode, Decode, Clone, PartialEq, TypeInfo, Debug, Derivative, MaxEncodedLen)]277#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]278#[derivative(Default(bound = ""))]279pub struct CreateCollectionData<AccountId> {280	#[derivative(Default(value = "CollectionMode::NFT"))]281	pub mode: CollectionMode,282	pub access: Option<AccessMode>,283	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]284	pub name: BoundedVec<u16, ConstU32<MAX_COLLECTION_NAME_LENGTH>>,285	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]286	pub description: BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>,287	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]288	pub token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,289	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]290	pub offchain_schema: BoundedVec<u8, ConstU32<OFFCHAIN_SCHEMA_LIMIT>>,291	pub schema_version: Option<SchemaVersion>,292	pub pending_sponsor: Option<AccountId>,293	pub limits: Option<CollectionLimits>,294	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]295	pub variable_on_chain_schema: BoundedVec<u8, ConstU32<VARIABLE_ON_CHAIN_SCHEMA_LIMIT>>,296	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]297	pub const_on_chain_schema: BoundedVec<u8, ConstU32<CONST_ON_CHAIN_SCHEMA_LIMIT>>,298	pub meta_update_permission: Option<MetaUpdatePermission>,299}300301#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo)]302#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]303pub struct NftItemType<AccountId> {304	pub owner: AccountId,305	pub const_data: Vec<u8>,306	pub variable_data: Vec<u8>,307}308309#[derive(Encode, Decode, Default, Debug, Clone, PartialEq, TypeInfo)]310#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]311pub struct FungibleItemType {312	pub value: u128,313}314315#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo)]316#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]317pub struct ReFungibleItemType<AccountId> {318	pub owner: Vec<Ownership<AccountId>>,319	pub const_data: Vec<u8>,320	pub variable_data: Vec<u8>,321}322323/// All fields are wrapped in `Option`s, where None means chain default324#[derive(Encode, Decode, Debug, Default, Clone, PartialEq, TypeInfo, MaxEncodedLen)]325#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]326pub struct CollectionLimits {327	pub account_token_ownership_limit: Option<u32>,328	pub sponsored_data_size: Option<u32>,329	/// None - setVariableMetadata is not sponsored330	/// Some(v) - setVariableMetadata is sponsored331	///           if there is v block between txs332	pub sponsored_data_rate_limit: Option<SponsoringRateLimit>,333	pub token_limit: Option<u32>,334335	// Timeouts for item types in passed blocks336	pub sponsor_transfer_timeout: Option<u32>,337	pub sponsor_approve_timeout: Option<u32>,338	pub owner_can_transfer: Option<bool>,339	pub owner_can_destroy: Option<bool>,340	pub transfers_enabled: Option<bool>,341}342343impl CollectionLimits {344	pub fn account_token_ownership_limit(&self) -> u32 {345		self.account_token_ownership_limit346			.unwrap_or(ACCOUNT_TOKEN_OWNERSHIP_LIMIT)347			.min(MAX_TOKEN_OWNERSHIP)348	}349	pub fn sponsored_data_size(&self) -> u32 {350		self.sponsored_data_size351			.unwrap_or(CUSTOM_DATA_LIMIT)352			.min(CUSTOM_DATA_LIMIT)353	}354	pub fn token_limit(&self) -> u32 {355		self.token_limit356			.unwrap_or(COLLECTION_TOKEN_LIMIT)357			.min(COLLECTION_TOKEN_LIMIT)358	}359	pub fn sponsor_transfer_timeout(&self, default: u32) -> u32 {360		self.sponsor_transfer_timeout361			.unwrap_or(default)362			.min(MAX_SPONSOR_TIMEOUT)363	}364	pub fn sponsor_approve_timeout(&self) -> u32 {365		self.sponsor_approve_timeout366			.unwrap_or(SPONSOR_APPROVE_TIMEOUT)367			.min(MAX_SPONSOR_TIMEOUT)368	}369	pub fn owner_can_transfer(&self) -> bool {370		self.owner_can_transfer.unwrap_or(true)371	}372	pub fn owner_can_destroy(&self) -> bool {373		self.owner_can_destroy.unwrap_or(true)374	}375	pub fn transfers_enabled(&self) -> bool {376		self.transfers_enabled.unwrap_or(true)377	}378	pub fn sponsored_data_rate_limit(&self) -> Option<u32> {379		match self380			.sponsored_data_rate_limit381			.unwrap_or(SponsoringRateLimit::SponsoringDisabled)382		{383			SponsoringRateLimit::SponsoringDisabled => None,384			SponsoringRateLimit::Blocks(v) => Some(v.min(MAX_SPONSOR_TIMEOUT)),385		}386	}387}388389#[derive(Encode, Decode, Debug, Clone, Copy, PartialEq, TypeInfo, MaxEncodedLen)]390#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]391pub enum SponsoringRateLimit {392	SponsoringDisabled,393	Blocks(u32),394}395396/// BoundedVec doesn't supports serde397#[cfg(feature = "serde1")]398mod bounded_serde {399	use core::convert::TryFrom;400	use frame_support::{BoundedVec, traits::Get};401	use serde::{402		ser::{self, Serialize},403		de::{self, Deserialize, Error},404	};405	use sp_std::vec::Vec;406407	pub fn serialize<D, V, S>(value: &BoundedVec<V, S>, serializer: D) -> Result<D::Ok, D::Error>408	where409		D: ser::Serializer,410		V: Serialize,411	{412		(value as &Vec<_>).serialize(serializer)413	}414415	pub fn deserialize<'de, D, V, S>(deserializer: D) -> Result<BoundedVec<V, S>, D::Error>416	where417		D: de::Deserializer<'de>,418		V: de::Deserialize<'de>,419		S: Get<u32>,420	{421		// TODO: Implement custom visitor, which will limit vec size at parse time? Will serde only be used by chainspec?422		let vec = <Vec<V>>::deserialize(deserializer)?;423		let len = vec.len();424		TryFrom::try_from(vec).map_err(|_| D::Error::invalid_length(len, &"lesser size"))425	}426}427428fn bounded_debug<V, S>(v: &BoundedVec<V, S>, f: &mut fmt::Formatter) -> Result<(), fmt::Error>429where430	V: fmt::Debug,431{432	use core::fmt::Debug;433	(&v as &Vec<V>).fmt(f)434}435436#[cfg(feature = "serde1")]437#[allow(dead_code)]438mod bounded_map_serde {439	use core::convert::TryFrom;440	use sp_std::collections::btree_map::BTreeMap;441	use frame_support::{traits::Get, storage::bounded_btree_map::BoundedBTreeMap};442	use serde::{443		ser::{self, Serialize},444		de::{self, Deserialize, Error},445	};446	pub fn serialize<D, K, V, S>(447		value: &BoundedBTreeMap<K, V, S>,448		serializer: D,449	) -> Result<D::Ok, D::Error>450	where451		D: ser::Serializer,452		K: Serialize + Ord,453		V: Serialize,454	{455		(value as &BTreeMap<_, _>).serialize(serializer)456	}457458	pub fn deserialize<'de, D, K, V, S>(459		deserializer: D,460	) -> Result<BoundedBTreeMap<K, V, S>, D::Error>461	where462		D: de::Deserializer<'de>,463		K: de::Deserialize<'de> + Ord,464		V: de::Deserialize<'de>,465		S: Get<u32>,466	{467		let map = <BTreeMap<K, V>>::deserialize(deserializer)?;468		let len = map.len();469		TryFrom::try_from(map).map_err(|_| D::Error::invalid_length(len, &"lesser size"))470	}471}472473fn bounded_map_debug<K, V, S>(474	v: &BoundedBTreeMap<K, V, S>,475	f: &mut fmt::Formatter,476) -> Result<(), fmt::Error>477where478	K: fmt::Debug + Ord,479	V: fmt::Debug,480{481	use core::fmt::Debug;482	(&v as &BTreeMap<K, V>).fmt(f)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_serde"))]490	#[derivative(Debug(format_with = "bounded_debug"))]491	pub const_data: BoundedVec<u8, CustomDataLimit>,492	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]493	#[derivative(Debug(format_with = "bounded_debug"))]494	pub variable_data: BoundedVec<u8, CustomDataLimit>,495}496497#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq, TypeInfo)]498#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]499pub struct CreateFungibleData {500	pub value: u128,501}502503#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative, TypeInfo)]504#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]505#[derivative(Debug)]506pub struct CreateReFungibleData {507	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]508	#[derivative(Debug(format_with = "bounded_debug"))]509	pub const_data: BoundedVec<u8, CustomDataLimit>,510	#[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]511	#[derivative(Debug(format_with = "bounded_debug"))]512	pub variable_data: BoundedVec<u8, CustomDataLimit>,513	pub pieces: u128,514}515516#[derive(Encode, Decode, Debug, Clone, PartialEq, TypeInfo, MaxEncodedLen)]517#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]518pub enum MetaUpdatePermission {519	ItemOwner,520	Admin,521	None,522}523524impl Default for MetaUpdatePermission {525	fn default() -> Self {526		Self::ItemOwner527	}528}529530#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]531#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]532pub enum CreateItemData {533	NFT(CreateNftData),534	Fungible(CreateFungibleData),535	ReFungible(CreateReFungibleData),536}537538#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]539#[derivative(Debug)]540pub struct CreateNftExData<CrossAccountId> {541	#[derivative(Debug(format_with = "bounded_debug"))]542	pub const_data: BoundedVec<u8, CustomDataLimit>,543	#[derivative(Debug(format_with = "bounded_debug"))]544	pub variable_data: BoundedVec<u8, CustomDataLimit>,545	pub owner: CrossAccountId,546}547548#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]549#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]550pub struct CreateRefungibleExData<CrossAccountId> {551	#[derivative(Debug(format_with = "bounded_debug"))]552	pub const_data: BoundedVec<u8, CustomDataLimit>,553	#[derivative(Debug(format_with = "bounded_debug"))]554	pub variable_data: BoundedVec<u8, CustomDataLimit>,555	#[derivative(Debug(format_with = "bounded_map_debug"))]556	pub users: BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,557}558559#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, TypeInfo, Derivative)]560#[derivative(Debug(bound = "CrossAccountId: fmt::Debug + Ord"))]561pub enum CreateItemExData<CrossAccountId> {562	NFT(563		#[derivative(Debug(format_with = "bounded_debug"))]564		BoundedVec<CreateNftExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,565	),566	Fungible(567		#[derivative(Debug(format_with = "bounded_map_debug"))]568		BoundedBTreeMap<CrossAccountId, u128, ConstU32<MAX_ITEMS_PER_BATCH>>,569	),570	/// Many tokens, each may have only one owner571	RefungibleMultipleItems(572		#[derivative(Debug(format_with = "bounded_debug"))]573		BoundedVec<CreateRefungibleExData<CrossAccountId>, ConstU32<MAX_ITEMS_PER_BATCH>>,574	),575	/// Single token, which may have many owners576	RefungibleMultipleOwners(CreateRefungibleExData<CrossAccountId>),577}578579impl CreateItemData {580	pub fn data_size(&self) -> usize {581		match self {582			CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),583			CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),584			_ => 0,585		}586	}587}588589impl From<CreateNftData> for CreateItemData {590	fn from(item: CreateNftData) -> Self {591		CreateItemData::NFT(item)592	}593}594595impl From<CreateReFungibleData> for CreateItemData {596	fn from(item: CreateReFungibleData) -> Self {597		CreateItemData::ReFungible(item)598	}599}600601impl From<CreateFungibleData> for CreateItemData {602	fn from(item: CreateFungibleData) -> Self {603		CreateItemData::Fungible(item)604	}605}606607#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]608#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]609pub struct CollectionStats {610	pub created: u32,611	pub destroyed: u32,612	pub alive: u32,613}