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 meta_update_permission: MetaUpdatePermission,190 pub transfers_enabled: bool,191}192193#[derive(Encode, Decode, Debug, Clone, PartialEq)]194#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]195pub struct NftItemType<AccountId> {196 pub owner: AccountId,197 pub const_data: Vec<u8>,198 pub variable_data: Vec<u8>,199}200201#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]202#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]203pub struct FungibleItemType {204 pub value: u128,205}206207#[derive(Encode, Decode, Debug, Clone, PartialEq)]208#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]209pub struct ReFungibleItemType<AccountId> {210 pub owner: Vec<Ownership<AccountId>>,211 pub const_data: Vec<u8>,212 pub variable_data: Vec<u8>,213}214215#[derive(Encode, Decode, Debug, Clone, PartialEq)]216#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]217pub struct CollectionLimits<BlockNumber: Encode + Decode> {218 pub account_token_ownership_limit: u32,219 pub sponsored_data_size: u32,220 221 222 223 pub sponsored_data_rate_limit: Option<BlockNumber>,224 pub token_limit: u32,225226 227 pub sponsor_transfer_timeout: u32,228 pub owner_can_transfer: bool,229 pub owner_can_destroy: bool,230}231232impl<BlockNumber: Encode + Decode> Default for CollectionLimits<BlockNumber> {233 fn default() -> Self {234 Self {235 account_token_ownership_limit: 10_000_000,236 token_limit: u32::max_value(),237 sponsored_data_size: u32::MAX,238 sponsored_data_rate_limit: None,239 sponsor_transfer_timeout: 14400,240 owner_can_transfer: true,241 owner_can_destroy: true,242 }243 }244}245246247#[cfg(feature = "serde1")]248mod bounded_serde {249 use core::convert::TryFrom;250 use frame_support::{BoundedVec, traits::Get};251 use serde::{252 ser::{self, Serialize},253 de::{self, Deserialize, Error},254 };255 use sp_std::vec::Vec;256257 pub fn serialize<D, V, S>(value: &BoundedVec<V, S>, serializer: D) -> Result<D::Ok, D::Error>258 where259 D: ser::Serializer,260 V: Serialize,261 {262 let vec: &Vec<_> = &value;263 vec.serialize(serializer)264 }265266 pub fn deserialize<'de, D, V, S>(deserializer: D) -> Result<BoundedVec<V, S>, D::Error>267 where268 D: de::Deserializer<'de>,269 V: de::Deserialize<'de>,270 S: Get<u32>,271 {272 273 let vec = <Vec<V>>::deserialize(deserializer)?;274 let len = vec.len();275 TryFrom::try_from(vec).map_err(|_| D::Error::invalid_length(len, &"lesser size"))276 }277}278279#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]280#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]281#[derivative(Debug)]282pub struct CreateNftData {283 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]284 #[derivative(Debug = "ignore")]285 pub const_data: BoundedVec<u8, CustomDataLimit>,286 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]287 #[derivative(Debug = "ignore")]288 pub variable_data: BoundedVec<u8, CustomDataLimit>,289}290291#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq)]292#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]293pub struct CreateFungibleData {294 pub value: u128,295}296297#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]298#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]299#[derivative(Debug)]300pub struct CreateReFungibleData {301 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]302 #[derivative(Debug = "ignore")]303 pub const_data: BoundedVec<u8, CustomDataLimit>,304 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]305 #[derivative(Debug = "ignore")]306 pub variable_data: BoundedVec<u8, CustomDataLimit>,307 pub pieces: u128,308}309310#[derive(Encode, Decode, Debug, Clone, PartialEq)]311#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]312pub enum MetaUpdatePermission {313 ItemOwner,314 Admin,315 None,316}317318impl Default for MetaUpdatePermission {319 fn default() -> Self {320 Self::ItemOwner321 }322}323324#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug)]325#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]326pub enum CreateItemData {327 NFT(CreateNftData),328 Fungible(CreateFungibleData),329 ReFungible(CreateReFungibleData),330}331332impl CreateItemData {333 pub fn data_size(&self) -> usize {334 match self {335 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),336 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),337 _ => 0,338 }339 }340}341342impl From<CreateNftData> for CreateItemData {343 fn from(item: CreateNftData) -> Self {344 CreateItemData::NFT(item)345 }346}347348impl From<CreateReFungibleData> for CreateItemData {349 fn from(item: CreateReFungibleData) -> Self {350 CreateItemData::ReFungible(item)351 }352}353354impl From<CreateFungibleData> for CreateItemData {355 fn from(item: CreateFungibleData) -> Self {356 CreateItemData::Fungible(item)357 }358}