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 = 100000;32pub const CUSTOM_DATA_LIMIT: u32 = 2048;33pub const COLLECTION_ADMINS_LIMIT: u64 = 5;34pub const ACCOUNT_TOKEN_OWNERSHIP_LIMIT: u32 = 1000000;353637pub const NFT_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;38pub const FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;39pub const REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;404142pub const OFFCHAIN_SCHEMA_LIMIT: u32 = 1024;43pub const VARIABLE_ON_CHAIN_SCHEMA_LIMIT: u32 = 1024;44pub const CONST_ON_CHAIN_SCHEMA_LIMIT: u32 = 1024;45464748pub const MAX_ITEMS_PER_BATCH: u32 = 200;4950parameter_types! {51 pub const CustomDataLimit: u32 = CUSTOM_DATA_LIMIT;52}5354pub type CollectionId = u32;55pub type TokenId = u32;56pub type DecimalPoints = u8;5758#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]59#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]60pub enum CollectionMode {61 Invalid,62 NFT,63 64 Fungible(DecimalPoints),65 ReFungible,66}6768impl Default for CollectionMode {69 fn default() -> Self {70 Self::Invalid71 }72}7374impl CollectionMode {75 pub fn id(&self) -> u8 {76 match self {77 CollectionMode::Invalid => 0,78 CollectionMode::NFT => 1,79 CollectionMode::Fungible(_) => 2,80 CollectionMode::ReFungible => 3,81 }82 }83}8485pub trait SponsoringResolve<AccountId, Call> {86 fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;87}8889#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]90#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]91pub enum AccessMode {92 Normal,93 WhiteList,94}95impl Default for AccessMode {96 fn default() -> Self {97 Self::Normal98 }99}100101#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]102#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]103pub enum SchemaVersion {104 ImageURL,105 Unique,106}107impl Default for SchemaVersion {108 fn default() -> Self {109 Self::ImageURL110 }111}112113#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]114#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]115pub struct Ownership<AccountId> {116 pub owner: AccountId,117 pub fraction: u128,118}119120#[derive(Encode, Decode, Debug, Clone, PartialEq)]121#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]122pub enum SponsorshipState<AccountId> {123 124 Disabled,125 Unconfirmed(AccountId),126 127 Confirmed(AccountId),128}129130impl<AccountId> SponsorshipState<AccountId> {131 pub fn sponsor(&self) -> Option<&AccountId> {132 match self {133 Self::Confirmed(sponsor) => Some(sponsor),134 _ => None,135 }136 }137138 pub fn pending_sponsor(&self) -> Option<&AccountId> {139 match self {140 Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),141 _ => None,142 }143 }144145 pub fn confirmed(&self) -> bool {146 matches!(self, Self::Confirmed(_))147 }148}149150impl<T> Default for SponsorshipState<T> {151 fn default() -> Self {152 Self::Disabled153 }154}155156#[derive(Encode, Decode, Clone, PartialEq)]157#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]158pub struct Collection<T: frame_system::Config> {159 pub owner: T::AccountId,160 pub mode: CollectionMode,161 pub access: AccessMode,162 pub decimal_points: DecimalPoints,163 pub name: Vec<u16>, 164 pub description: Vec<u16>, 165 pub token_prefix: Vec<u8>, 166 pub mint_mode: bool,167 pub offchain_schema: Vec<u8>,168 pub schema_version: SchemaVersion,169 pub sponsorship: SponsorshipState<T::AccountId>,170 pub limits: CollectionLimits<T::BlockNumber>, 171 pub variable_on_chain_schema: Vec<u8>, 172 pub const_on_chain_schema: Vec<u8>, 173 pub transfers_enabled: bool,174}175176#[derive(Encode, Decode, Debug, Clone, PartialEq)]177#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]178pub struct NftItemType<AccountId> {179 pub owner: AccountId,180 pub const_data: Vec<u8>,181 pub variable_data: Vec<u8>,182}183184#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]185#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]186pub struct FungibleItemType {187 pub value: u128,188}189190#[derive(Encode, Decode, Debug, Clone, PartialEq)]191#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]192pub struct ReFungibleItemType<AccountId> {193 pub owner: Vec<Ownership<AccountId>>,194 pub const_data: Vec<u8>,195 pub variable_data: Vec<u8>,196}197198#[derive(Encode, Decode, Debug, Clone, PartialEq)]199#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]200pub struct CollectionLimits<BlockNumber: Encode + Decode> {201 pub account_token_ownership_limit: u32,202 pub sponsored_data_size: u32,203 204 205 206 pub sponsored_data_rate_limit: Option<BlockNumber>,207 pub token_limit: u32,208209 210 pub sponsor_transfer_timeout: u32,211 pub owner_can_transfer: bool,212 pub owner_can_destroy: bool,213}214215impl<BlockNumber: Encode + Decode> Default for CollectionLimits<BlockNumber> {216 fn default() -> Self {217 Self {218 account_token_ownership_limit: 10_000_000,219 token_limit: u32::max_value(),220 sponsored_data_size: u32::MAX,221 sponsored_data_rate_limit: None,222 sponsor_transfer_timeout: 14400,223 owner_can_transfer: true,224 owner_can_destroy: true,225 }226 }227}228229230#[cfg(feature = "serde1")]231mod bounded_serde {232 use core::convert::TryFrom;233 use frame_support::{BoundedVec, traits::Get};234 use serde::{235 ser::{self, Serialize},236 de::{self, Deserialize, Error},237 };238 use sp_std::vec::Vec;239240 pub fn serialize<D, V, S>(value: &BoundedVec<V, S>, serializer: D) -> Result<D::Ok, D::Error>241 where242 D: ser::Serializer,243 V: Serialize,244 {245 let vec: &Vec<_> = &value;246 vec.serialize(serializer)247 }248249 pub fn deserialize<'de, D, V, S>(deserializer: D) -> Result<BoundedVec<V, S>, D::Error>250 where251 D: de::Deserializer<'de>,252 V: de::Deserialize<'de>,253 S: Get<u32>,254 {255 256 let vec = <Vec<V>>::deserialize(deserializer)?;257 let len = vec.len();258 TryFrom::try_from(vec).map_err(|_| D::Error::invalid_length(len, &"lesser size"))259 }260}261262#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]263#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]264#[derivative(Debug)]265pub struct CreateNftData {266 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]267 #[derivative(Debug = "ignore")]268 pub const_data: BoundedVec<u8, CustomDataLimit>,269 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]270 #[derivative(Debug = "ignore")]271 pub variable_data: BoundedVec<u8, CustomDataLimit>,272}273274#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq)]275#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]276pub struct CreateFungibleData {277 pub value: u128,278}279280#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]281#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]282#[derivative(Debug)]283pub struct CreateReFungibleData {284 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]285 #[derivative(Debug = "ignore")]286 pub const_data: BoundedVec<u8, CustomDataLimit>,287 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]288 #[derivative(Debug = "ignore")]289 pub variable_data: BoundedVec<u8, CustomDataLimit>,290 pub pieces: u128,291}292293#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug)]294#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]295pub enum CreateItemData {296 NFT(CreateNftData),297 Fungible(CreateFungibleData),298 ReFungible(CreateReFungibleData),299}300301impl CreateItemData {302 pub fn data_size(&self) -> usize {303 match self {304 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),305 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),306 _ => 0,307 }308 }309}310311impl From<CreateNftData> for CreateItemData {312 fn from(item: CreateNftData) -> Self {313 CreateItemData::NFT(item)314 }315}316317impl From<CreateReFungibleData> for CreateItemData {318 fn from(item: CreateReFungibleData) -> Self {319 CreateItemData::ReFungible(item)320 }321}322323impl From<CreateFungibleData> for CreateItemData {324 fn from(item: CreateFungibleData) -> Self {325 CreateItemData::Fungible(item)326 }327}