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, MaxEncodedLen};8pub use frame_support::{9 BoundedVec, construct_runtime, decl_event, decl_module, decl_storage, decl_error,10 dispatch::DispatchResult,11 ensure, fail, parameter_types,12 traits::{13 Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,14 Randomness, IsSubType, WithdrawReasons,15 },16 weights::{17 constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},18 DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,19 WeightToFeePolynomial, DispatchClass,20 },21 StorageValue, transactional,22};23use derivative::Derivative;2425pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;26pub const MAX_REFUNGIBLE_PIECES: u128 = 1_000_000_000_000_000_000_000;27pub const MAX_SPONSOR_TIMEOUT: u32 = 10_368_000;28pub const MAX_TOKEN_OWNERSHIP: u32 = 10_000_000;2930pub const COLLECTION_NUMBER_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {31 10000032} else {33 1034};35pub const CUSTOM_DATA_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {36 204837} else {38 1039};40pub const COLLECTION_ADMINS_LIMIT: u64 = 5;41pub const ACCOUNT_TOKEN_OWNERSHIP_LIMIT: u32 = if cfg!(not(feature = "limit-testing")) {42 100000043} else {44 1045};464748pub const NFT_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;49pub const FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;50pub const REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT: u32 = 5;515253pub const OFFCHAIN_SCHEMA_LIMIT: u32 = 1024;54pub const VARIABLE_ON_CHAIN_SCHEMA_LIMIT: u32 = 1024;55pub const CONST_ON_CHAIN_SCHEMA_LIMIT: u32 = 1024;5657pub const MAX_COLLECTION_NAME_LENGTH: usize = 64;58pub const MAX_COLLECTION_DESCRIPTION_LENGTH: usize = 256;59pub const MAX_TOKEN_PREFIX_LENGTH: usize = 16;60616263pub const MAX_ITEMS_PER_BATCH: u32 = 200;6465parameter_types! {66 pub const CustomDataLimit: u32 = CUSTOM_DATA_LIMIT;67}6869pub type CollectionId = u32;70pub type TokenId = u32;71pub type DecimalPoints = u8;7273#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]74#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]75pub enum CollectionMode {76 Invalid,77 NFT,78 79 Fungible(DecimalPoints),80 ReFungible,81}8283impl Default for CollectionMode {84 fn default() -> Self {85 Self::Invalid86 }87}8889impl CollectionMode {90 pub fn id(&self) -> u8 {91 match self {92 CollectionMode::Invalid => 0,93 CollectionMode::NFT => 1,94 CollectionMode::Fungible(_) => 2,95 CollectionMode::ReFungible => 3,96 }97 }98}99100pub trait SponsoringResolve<AccountId, Call> {101 fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;102}103104#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]105#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]106pub enum AccessMode {107 Normal,108 WhiteList,109}110impl Default for AccessMode {111 fn default() -> Self {112 Self::Normal113 }114}115116#[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]117#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]118pub enum SchemaVersion {119 ImageURL,120 Unique,121}122impl Default for SchemaVersion {123 fn default() -> Self {124 Self::ImageURL125 }126}127128#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]129#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]130pub struct Ownership<AccountId> {131 pub owner: AccountId,132 pub fraction: u128,133}134135#[derive(Encode, Decode, Debug, Clone, PartialEq)]136#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]137pub enum SponsorshipState<AccountId> {138 139 Disabled,140 Unconfirmed(AccountId),141 142 Confirmed(AccountId),143}144145impl<AccountId> SponsorshipState<AccountId> {146 pub fn sponsor(&self) -> Option<&AccountId> {147 match self {148 Self::Confirmed(sponsor) => Some(sponsor),149 _ => None,150 }151 }152153 pub fn pending_sponsor(&self) -> Option<&AccountId> {154 match self {155 Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),156 _ => None,157 }158 }159160 pub fn confirmed(&self) -> bool {161 matches!(self, Self::Confirmed(_))162 }163}164165impl<T> Default for SponsorshipState<T> {166 fn default() -> Self {167 Self::Disabled168 }169}170171#[derive(Encode, Decode, Clone, PartialEq)]172#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]173pub struct Collection<T: frame_system::Config> {174 pub owner: T::AccountId,175 pub mode: CollectionMode,176 pub access: AccessMode,177 pub decimal_points: DecimalPoints,178 pub name: Vec<u16>, 179 pub description: Vec<u16>, 180 pub token_prefix: Vec<u8>, 181 pub mint_mode: bool,182 pub offchain_schema: Vec<u8>,183 pub schema_version: SchemaVersion,184 pub sponsorship: SponsorshipState<T::AccountId>,185 pub limits: CollectionLimits<T::BlockNumber>, 186 pub variable_on_chain_schema: Vec<u8>, 187 pub const_on_chain_schema: Vec<u8>, 188 pub transfers_enabled: bool,189}190191#[derive(Encode, Decode, Debug, Clone, PartialEq)]192#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]193pub struct NftItemType<AccountId> {194 pub owner: AccountId,195 pub const_data: Vec<u8>,196 pub variable_data: Vec<u8>,197}198199#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]200#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]201pub struct FungibleItemType {202 pub value: u128,203}204205#[derive(Encode, Decode, Debug, Clone, PartialEq)]206#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]207pub struct ReFungibleItemType<AccountId> {208 pub owner: Vec<Ownership<AccountId>>,209 pub const_data: Vec<u8>,210 pub variable_data: Vec<u8>,211}212213#[derive(Encode, Decode, Debug, Clone, PartialEq)]214#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]215pub struct CollectionLimits<BlockNumber: Encode + Decode> {216 pub account_token_ownership_limit: u32,217 pub sponsored_data_size: u32,218 219 220 221 pub sponsored_data_rate_limit: Option<BlockNumber>,222 pub token_limit: u32,223224 225 pub sponsor_transfer_timeout: u32,226 pub owner_can_transfer: bool,227 pub owner_can_destroy: bool,228}229230impl<BlockNumber: Encode + Decode> Default for CollectionLimits<BlockNumber> {231 fn default() -> Self {232 Self {233 account_token_ownership_limit: 10_000_000,234 token_limit: u32::max_value(),235 sponsored_data_size: u32::MAX,236 sponsored_data_rate_limit: None,237 sponsor_transfer_timeout: 14400,238 owner_can_transfer: true,239 owner_can_destroy: true,240 }241 }242}243244245#[cfg(feature = "serde1")]246mod bounded_serde {247 use core::convert::TryFrom;248 use frame_support::{BoundedVec, traits::Get};249 use serde::{250 ser::{self, Serialize},251 de::{self, Deserialize, Error},252 };253 use sp_std::vec::Vec;254255 pub fn serialize<D, V, S>(value: &BoundedVec<V, S>, serializer: D) -> Result<D::Ok, D::Error>256 where257 D: ser::Serializer,258 V: Serialize,259 {260 let vec: &Vec<_> = &value;261 vec.serialize(serializer)262 }263264 pub fn deserialize<'de, D, V, S>(deserializer: D) -> Result<BoundedVec<V, S>, D::Error>265 where266 D: de::Deserializer<'de>,267 V: de::Deserialize<'de>,268 S: Get<u32>,269 {270 271 let vec = <Vec<V>>::deserialize(deserializer)?;272 let len = vec.len();273 TryFrom::try_from(vec).map_err(|_| D::Error::invalid_length(len, &"lesser size"))274 }275}276277#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]278#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]279#[derivative(Debug)]280pub struct CreateNftData {281 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]282 #[derivative(Debug = "ignore")]283 pub const_data: BoundedVec<u8, CustomDataLimit>,284 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]285 #[derivative(Debug = "ignore")]286 pub variable_data: BoundedVec<u8, CustomDataLimit>,287}288289#[derive(Encode, Decode, MaxEncodedLen, Default, Debug, Clone, PartialEq)]290#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]291pub struct CreateFungibleData {292 pub value: u128,293}294295#[derive(Encode, Decode, MaxEncodedLen, Default, PartialEq, Clone, Derivative)]296#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]297#[derivative(Debug)]298pub struct CreateReFungibleData {299 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]300 #[derivative(Debug = "ignore")]301 pub const_data: BoundedVec<u8, CustomDataLimit>,302 #[cfg_attr(feature = "serde1", serde(with = "bounded_serde"))]303 #[derivative(Debug = "ignore")]304 pub variable_data: BoundedVec<u8, CustomDataLimit>,305 pub pieces: u128,306}307308#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug)]309#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]310pub enum CreateItemData {311 NFT(CreateNftData),312 Fungible(CreateFungibleData),313 ReFungible(CreateReFungibleData),314}315316impl CreateItemData {317 pub fn data_size(&self) -> usize {318 match self {319 CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),320 CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),321 _ => 0,322 }323 }324}325326impl From<CreateNftData> for CreateItemData {327 fn from(item: CreateNftData) -> Self {328 CreateItemData::NFT(item)329 }330}331332impl From<CreateReFungibleData> for CreateItemData {333 fn from(item: CreateReFungibleData) -> Self {334 CreateItemData::ReFungible(item)335 }336}337338impl From<CreateFungibleData> for CreateItemData {339 fn from(item: CreateFungibleData) -> Self {340 CreateItemData::Fungible(item)341 }342}