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;57585960pub const MAX_ITEMS_PER_BATCH: u32 = 200;6162parameter_types! {63 pub const CustomDataLimit: u32 = CUSTOM_DATA_LIMIT;64}6566pub type CollectionId = u32;67pub type TokenId = u32;68pub type DecimalPoints = u8;6970#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]71#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]72pub enum CollectionMode {73 Invalid,74 NFT,75 76 Fungible(DecimalPoints),77 ReFungible,78}7980impl Default for CollectionMode {81 fn default() -> Self {82 Self::Invalid83 }84}8586impl CollectionMode {87 pub fn id(&self) -> u8 {88 match self {89 CollectionMode::Invalid => 0,90 CollectionMode::NFT => 1,91 CollectionMode::Fungible(_) => 2,92 CollectionMode::ReFungible => 3,93 }94 }95}9697pub trait SponsoringResolve<AccountId, Call> {98 fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;99}100101#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]102#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]103pub enum AccessMode {104 Normal,105 WhiteList,106}107impl Default for AccessMode {108 fn default() -> Self {109 Self::Normal110 }111}112113#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]114#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]115pub enum SchemaVersion {116 ImageURL,117 Unique,118}119impl Default for SchemaVersion {120 fn default() -> Self {121 Self::ImageURL122 }123}124125#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]126#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]127pub struct Ownership<AccountId> {128 pub owner: AccountId,129 pub fraction: u128,130}131132#[derive(Encode, Decode, Debug, Clone, PartialEq)]133#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]134pub enum SponsorshipState<AccountId> {135 136 Disabled,137 Unconfirmed(AccountId),138 139 Confirmed(AccountId),140}141142impl<AccountId> SponsorshipState<AccountId> {143 pub fn sponsor(&self) -> Option<&AccountId> {144 match self {145 Self::Confirmed(sponsor) => Some(sponsor),146 _ => None,147 }148 }149150 pub fn pending_sponsor(&self) -> Option<&AccountId> {151 match self {152 Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),153 _ => None,154 }155 }156157 pub fn confirmed(&self) -> bool {158 matches!(self, Self::Confirmed(_))159 }160}161162impl<T> Default for SponsorshipState<T> {163 fn default() -> Self {164 Self::Disabled165 }166}167168#[derive(Encode, Decode, Clone, PartialEq)]169#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]170pub struct Collection<T: frame_system::Config> {171 pub owner: T::AccountId,172 pub mode: CollectionMode,173 pub access: AccessMode,174 pub decimal_points: DecimalPoints,175 pub name: Vec<u16>, 176 pub description: Vec<u16>, 177 pub token_prefix: Vec<u8>, 178 pub mint_mode: bool,179 pub offchain_schema: Vec<u8>,180 pub schema_version: SchemaVersion,181 pub sponsorship: SponsorshipState<T::AccountId>,182 pub limits: CollectionLimits<T::BlockNumber>, 183 pub variable_on_chain_schema: Vec<u8>, 184 pub const_on_chain_schema: Vec<u8>, 185 pub transfers_enabled: bool,186}187188#[derive(Encode, Decode, Debug, Clone, PartialEq)]189#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]190pub struct NftItemType<AccountId> {191 pub owner: AccountId,192 pub const_data: Vec<u8>,193 pub variable_data: Vec<u8>,194}195196#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]197#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]198pub struct FungibleItemType {199 pub value: u128,200}201202#[derive(Encode, Decode, Debug, Clone, PartialEq)]203#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]204pub struct ReFungibleItemType<AccountId> {205 pub owner: Vec<Ownership<AccountId>>,206 pub const_data: Vec<u8>,207 pub variable_data: Vec<u8>,208}209210#[derive(Encode, Decode, Debug, Clone, PartialEq)]211#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]212pub struct CollectionLimits<BlockNumber: Encode + Decode> {213 pub account_token_ownership_limit: u32,214 pub sponsored_data_size: u32,215 216 217 218 pub sponsored_data_rate_limit: Option<BlockNumber>,219 pub token_limit: u32,220221 222 pub sponsor_transfer_timeout: u32,223 pub owner_can_transfer: bool,224 pub owner_can_destroy: bool,225}226227impl<BlockNumber: Encode + Decode> Default for CollectionLimits<BlockNumber> {228 fn default() -> Self {229 Self {230 account_token_ownership_limit: 10_000_000,231 token_limit: u32::max_value(),232 sponsored_data_size: u32::MAX,233 sponsored_data_rate_limit: None,234 sponsor_transfer_timeout: 14400,235 owner_can_transfer: true,236 owner_can_destroy: true,237 }238 }239}240241242#[cfg(feature = "serde1")]243mod bounded_serde {244 use core::convert::TryFrom;245 use frame_support::{BoundedVec, traits::Get};246 use serde::{247 ser::{self, Serialize},248 de::{self, Deserialize, Error},249 };250 use sp_std::vec::Vec;251252 pub fn serialize<D, V, S>(value: &BoundedVec<V, S>, serializer: D) -> Result<D::Ok, D::Error>253 where254 D: ser::Serializer,255 V: Serialize,256 {257 let vec: &Vec<_> = &value;258 vec.serialize(serializer)259 }260261 pub fn deserialize<'de, D, V, S>(deserializer: D) -> Result<BoundedVec<V, S>, D::Error>262 where263 D: de::Deserializer<'de>,264 V: de::Deserialize<'de>,265 S: Get<u32>,266 {267 268 let vec = <Vec<V>>::deserialize(deserializer)?;269 let len = vec.len();270 TryFrom::try_from(vec).map_err(|_| D::Error::invalid_length(len, &"lesser size"))271 }272}273274#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]275#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]276#[derivative(Debug)]277pub struct CreateNftData {278 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]279 #[derivative(Debug = "ignore")]280 pub const_data: BoundedVec<u8, CustomDataLimit>,281 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]282 #[derivative(Debug = "ignore")]283 pub variable_data: BoundedVec<u8, CustomDataLimit>,284}285286#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq)]287#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]288pub struct CreateFungibleData {289 pub value: u128,290}291292#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]293#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]294#[derivative(Debug)]295pub struct CreateReFungibleData {296 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]297 #[derivative(Debug = "ignore")]298 pub const_data: BoundedVec<u8, CustomDataLimit>,299 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]300 #[derivative(Debug = "ignore")]301 pub variable_data: BoundedVec<u8, CustomDataLimit>,302 pub pieces: u128,303}304305#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug)]306#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]307pub enum CreateItemData {308 NFT(CreateNftData),309 Fungible(CreateFungibleData),310 ReFungible(CreateReFungibleData),311}312313impl CreateItemData {314 pub fn data_size(&self) -> usize {315 match self {316 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),317 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),318 _ => 0,319 }320 }321}322323impl From<CreateNftData> for CreateItemData {324 fn from(item: CreateNftData) -> Self {325 CreateItemData::NFT(item)326 }327}328329impl From<CreateReFungibleData> for CreateItemData {330 fn from(item: CreateReFungibleData) -> Self {331 CreateItemData::ReFungible(item)332 }333}334335impl From<CreateFungibleData> for CreateItemData {336 fn from(item: CreateFungibleData) -> Self {337 CreateItemData::Fungible(item)338 }339}