1#![cfg_attr(not(feature = "std"), no_std)]23#[cfg(feature = "serde")]4pub use serde::{Serialize, Deserialize};56use sp_runtime::sp_std::prelude::Vec;7use codec::{Decode, Encode};8use max_encoded_len::MaxEncodedLen;9pub use frame_support::{10 BoundedVec, construct_runtime, decl_event, decl_module, decl_storage, decl_error,11 dispatch::DispatchResult,12 ensure, fail, parameter_types,13 traits::{14 Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,15 Randomness, IsSubType, WithdrawReasons,16 },17 weights::{18 constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},19 DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,20 WeightToFeePolynomial, DispatchClass,21 },22 StorageValue, transactional,23};24use derivative::Derivative;2526pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;27pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;28pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;29pub const MAX_TOKEN_OWNERSHIP: u32 = 10_000_000;3031pub const COLLECTION_NUMBER_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {32 10000033} else {34 1035};36pub const CUSTOM_DATA_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {37 204838} else {39 1040};41pub const COLLECTION_ADMINS_LIMIT: u64 = 5;42pub const ACCOUNT_TOKEN_OWNERSHIP_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {43 100000044} else {45 1046};474849pub const NFT_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;50pub const FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;51pub const REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;525354pub const OFFCHAIN_SCHEMA_LIMIT: u32 = 1024;55pub const VARIABLE_ON_CHAIN_SCHEMA_LIMIT: u32 = 1024;56pub const CONST_ON_CHAIN_SCHEMA_LIMIT: u32 = 1024;5758pub const MAX_COLLECTION_NAME_LENGTH: usize = 64;59pub const MAX_COLLECTION_DESCRIPTION_LENGTH: usize = 256;60pub const MAX_TOKEN_PREFIX_LENGTH: usize = 16;61626364pub const MAX_ITEMS_PER_BATCH: u32 = 200;6566parameter_types! {67 pub const CustomDataLimit: u32 = CUSTOM_DATA_LIMIT;68}6970pub type CollectionId = u32;71pub type TokenId = u32;72pub type DecimalPoints = u8;7374#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]75#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]76pub enum CollectionMode {77 Invalid,78 NFT,79 80 Fungible(DecimalPoints),81 ReFungible,82}8384impl Default for CollectionMode {85 fn default() -> Self {86 Self::Invalid87 }88}8990impl CollectionMode {91 pub fn id(&self) -> u8 {92 match self {93 CollectionMode::Invalid => 0,94 CollectionMode::NFT => 1,95 CollectionMode::Fungible(_) => 2,96 CollectionMode::ReFungible => 3,97 }98 }99}100101pub trait SponsoringResolve<AccountId, Call> {102 fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;103}104105#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]106#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]107pub enum AccessMode {108 Normal,109 WhiteList,110}111impl Default for AccessMode {112 fn default() -> Self {113 Self::Normal114 }115}116117#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]118#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]119pub enum SchemaVersion {120 ImageURL,121 Unique,122}123impl Default for SchemaVersion {124 fn default() -> Self {125 Self::ImageURL126 }127}128129#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]130#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]131pub struct Ownership<AccountId> {132 pub owner: AccountId,133 pub fraction: u128,134}135136#[derive(Encode, Decode, Debug, Clone, PartialEq)]137#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]138pub enum SponsorshipState<AccountId> {139 140 Disabled,141 Unconfirmed(AccountId),142 143 Confirmed(AccountId),144}145146impl<AccountId> SponsorshipState<AccountId> {147 pub fn sponsor(&self) -> Option<&AccountId> {148 match self {149 Self::Confirmed(sponsor) => Some(sponsor),150 _ => None,151 }152 }153154 pub fn pending_sponsor(&self) -> Option<&AccountId> {155 match self {156 Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),157 _ => None,158 }159 }160161 pub fn confirmed(&self) -> bool {162 matches!(self, Self::Confirmed(_))163 }164}165166impl<T> Default for SponsorshipState<T> {167 fn default() -> Self {168 Self::Disabled169 }170}171172#[derive(Encode, Decode, Clone, PartialEq)]173#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]174pub struct Collection<T: frame_system::Config> {175 pub owner: T::AccountId,176 pub mode: CollectionMode,177 pub access: AccessMode,178 pub decimal_points: DecimalPoints,179 pub name: Vec<u16>, 180 pub description: Vec<u16>, 181 pub token_prefix: Vec<u8>, 182 pub mint_mode: bool,183 pub offchain_schema: Vec<u8>,184 pub schema_version: SchemaVersion,185 pub sponsorship: SponsorshipState<T::AccountId>,186 pub limits: CollectionLimits<T::BlockNumber>, 187 pub variable_on_chain_schema: Vec<u8>, 188 pub const_on_chain_schema: Vec<u8>, 189 pub transfers_enabled: bool,190}191192#[derive(Encode, Decode, Debug, Clone, PartialEq)]193#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]194pub struct NftItemType<AccountId> {195 pub owner: AccountId,196 pub const_data: Vec<u8>,197 pub variable_data: Vec<u8>,198}199200#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]201#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]202pub struct FungibleItemType {203 pub value: u128,204}205206#[derive(Encode, Decode, Debug, Clone, PartialEq)]207#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]208pub struct ReFungibleItemType<AccountId> {209 pub owner: Vec<Ownership<AccountId>>,210 pub const_data: Vec<u8>,211 pub variable_data: Vec<u8>,212}213214#[derive(Encode, Decode, Debug, Clone, PartialEq)]215#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]216pub struct CollectionLimits<BlockNumber: Encode + Decode> {217 pub account_token_ownership_limit: u32,218 pub sponsored_data_size: u32,219 220 221 222 pub sponsored_data_rate_limit: Option<BlockNumber>,223 pub token_limit: u32,224225 226 pub sponsor_transfer_timeout: u32,227 pub owner_can_transfer: bool,228 pub owner_can_destroy: bool,229}230231impl<BlockNumber: Encode + Decode> Default for CollectionLimits<BlockNumber> {232 fn default() -> Self {233 Self {234 account_token_ownership_limit: 10_000_000,235 token_limit: u32::max_value(),236 sponsored_data_size: u32::MAX,237 sponsored_data_rate_limit: None,238 sponsor_transfer_timeout: 14400,239 owner_can_transfer: true,240 owner_can_destroy: true,241 }242 }243}244245246#[cfg(feature = "serde1")]247mod bounded_serde {248 use core::convert::TryFrom;249 use frame_support::{BoundedVec, traits::Get};250 use serde::{251 ser::{self, Serialize},252 de::{self, Deserialize, Error},253 };254 use sp_std::vec::Vec;255256 pub fn serialize<D, V, S>(value: &BoundedVec<V, S>, serializer: D) -> Result<D::Ok, D::Error>257 where258 D: ser::Serializer,259 V: Serialize,260 {261 let vec: &Vec<_> = &value;262 vec.serialize(serializer)263 }264265 pub fn deserialize<'de, D, V, S>(deserializer: D) -> Result<BoundedVec<V, S>, D::Error>266 where267 D: de::Deserializer<'de>,268 V: de::Deserialize<'de>,269 S: Get<u32>,270 {271 272 let vec = <Vec<V>>::deserialize(deserializer)?;273 let len = vec.len();274 TryFrom::try_from(vec).map_err(|_| D::Error::invalid_length(len, &"lesser size"))275 }276}277278#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]279#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]280#[derivative(Debug)]281pub struct CreateNftData {282 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]283 #[derivative(Debug = "ignore")]284 pub const_data: BoundedVec<u8, CustomDataLimit>,285 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]286 #[derivative(Debug = "ignore")]287 pub variable_data: BoundedVec<u8, CustomDataLimit>,288}289290#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq)]291#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]292pub struct CreateFungibleData {293 pub value: u128,294}295296#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]297#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]298#[derivative(Debug)]299pub struct CreateReFungibleData {300 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]301 #[derivative(Debug = "ignore")]302 pub const_data: BoundedVec<u8, CustomDataLimit>,303 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]304 #[derivative(Debug = "ignore")]305 pub variable_data: BoundedVec<u8, CustomDataLimit>,306 pub pieces: u128,307}308309#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug)]310#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]311pub enum CreateItemData {312 NFT(CreateNftData),313 Fungible(CreateFungibleData),314 ReFungible(CreateReFungibleData),315}316317impl CreateItemData {318 pub fn data_size(&self) -> usize {319 match self {320 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),321 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),322 _ => 0,323 }324 }325}326327impl From<CreateNftData> for CreateItemData {328 fn from(item: CreateNftData) -> Self {329 CreateItemData::NFT(item)330 }331}332333impl From<CreateReFungibleData> for CreateItemData {334 fn from(item: CreateReFungibleData) -> Self {335 CreateItemData::ReFungible(item)336 }337}338339impl From<CreateFungibleData> for CreateItemData {340 fn from(item: CreateFungibleData) -> Self {341 CreateItemData::Fungible(item)342 }343}