12345678910111213141516171819use alloc::{collections::BTreeSet, format};20use core::marker::PhantomData;2122use ethereum as _;23use evm_coder::{abi::AbiType, generate_stubgen, solidity_interface, types::*};24use frame_support::{traits::Get, BoundedVec};25use pallet_common::{26 dispatch::CollectionDispatch,27 erc::{static_property::key, CollectionHelpersEvents},28 eth::{self, collection_id_to_address, map_eth_to_id},29 CollectionById, CollectionHandle, CollectionIssuer, Pallet as PalletCommon,30};31use pallet_evm::{account::CrossAccountId, OnMethodCall, PrecompileHandle, PrecompileResult};32use pallet_evm_coder_substrate::{33 dispatch_to_evm,34 execution::{Error, PreDispatch, Result},35 frontier_contract, SubstrateRecorder, WithRecorder,36};37use sp_std::vec::Vec;38use up_data_structs::{39 CollectionDescription, CollectionMode, CollectionName, CollectionPermissions,40 CollectionTokenPrefix, CreateCollectionData, NestingPermissions,41};4243use crate::{weights::WeightInfo, Config, Pallet, SelfWeightOf};4445frontier_contract! {46 macro_rules! EvmCollectionHelpers_result {...}47 impl<T: Config> Contract for EvmCollectionHelpers<T> {...}48}4950pub struct EvmCollectionHelpers<T: Config>(SubstrateRecorder<T>);51impl<T: Config> WithRecorder<T> for EvmCollectionHelpers<T> {52 fn recorder(&self) -> &SubstrateRecorder<T> {53 &self.054 }5556 fn into_recorder(self) -> SubstrateRecorder<T> {57 self.058 }59}6061fn convert_data<T: Config>(62 caller: Caller,63 name: String,64 description: String,65 token_prefix: String,66) -> Result<(67 T::CrossAccountId,68 CollectionName,69 CollectionDescription,70 CollectionTokenPrefix,71)> {72 let caller = T::CrossAccountId::from_eth(caller);73 let name = name74 .encode_utf16()75 .collect::<Vec<u16>>()76 .try_into()77 .map_err(|_| error_field_too_long(stringify!(name), CollectionName::bound()))?;78 let description = description79 .encode_utf16()80 .collect::<Vec<u16>>()81 .try_into()82 .map_err(|_| {83 error_field_too_long(stringify!(description), CollectionDescription::bound())84 })?;85 let token_prefix = token_prefix.into_bytes().try_into().map_err(|_| {86 error_field_too_long(stringify!(token_prefix), CollectionTokenPrefix::bound())87 })?;88 Ok((caller, name, description, token_prefix))89}9091#[inline(always)]92fn create_collection_internal<T: Config>(93 caller: Caller,94 value: Value,95 name: String,96 collection_mode: CollectionMode,97 description: String,98 token_prefix: String,99) -> Result<Address> {100 let (caller, name, description, token_prefix) =101 convert_data::<T>(caller, name, description, token_prefix)?;102 let data = CreateCollectionData {103 name,104 mode: collection_mode,105 description,106 token_prefix,107 ..Default::default()108 };109 check_sent_amount_equals_collection_creation_price::<T>(value)?;110 let collection_helpers_address =111 T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());112113 let collection_id = T::CollectionDispatch::create(114 caller,115 CollectionIssuer::User(collection_helpers_address),116 data,117 )118 .map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;119 let address = pallet_common::eth::collection_id_to_address(collection_id);120 Ok(address)121}122123fn check_sent_amount_equals_collection_creation_price<T: Config>(value: Value) -> Result<()> {124 let value = value.as_u128();125 let creation_price: u128 = T::CollectionCreationPrice::get()126 .try_into()127 .map_err(|_| ()) 128 .expect("Collection creation price should be convertible to u128");129 if value != creation_price {130 return Err(format!(131 "Sent amount not equals to collection creation price ({creation_price})",132 )133 .into());134 }135 Ok(())136}137138139#[solidity_interface(name = CollectionHelpers, events(CollectionHelpersEvents), enum(derive(PreDispatch)), enum_attr(weight))]140impl<T> EvmCollectionHelpers<T>141where142 T: Config + pallet_common::Config + pallet_nonfungible::Config + pallet_refungible::Config,143 T::AccountId: From<[u8; 32]>,144{145 146 147 #[weight(<SelfWeightOf<T>>::create_collection())]148 #[solidity(rename_selector = "createCollection")]149 fn create_collection(150 &mut self,151 caller: Caller,152 value: Value,153 data: eth::CreateCollectionData,154 ) -> Result<Address> {155 let (caller, name, description, token_prefix) =156 convert_data::<T>(caller, data.name, data.description, data.token_prefix)?;157 if data.mode != eth::CollectionMode::Fungible && data.decimals != 0 {158 return Err("decimals are only supported for NFT and RFT collections".into());159 }160 let mode = match data.mode {161 eth::CollectionMode::Fungible => CollectionMode::Fungible(data.decimals),162 eth::CollectionMode::Nonfungible => CollectionMode::NFT,163 eth::CollectionMode::Refungible => CollectionMode::ReFungible,164 };165166 let properties: BoundedVec<_, _> = data167 .properties168 .into_iter()169 .map(eth::Property::try_into)170 .collect::<Result<Vec<_>>>()?171 .try_into()172 .map_err(|_| "too many properties")?;173174 let token_property_permissions =175 eth::TokenPropertyPermission::into_property_key_permissions(176 data.token_property_permissions,177 )?178 .try_into()179 .map_err(|_| "too many property permissions")?;180181 let limits = if !data.limits.is_empty() {182 Some(183 data.limits184 .into_iter()185 .collect::<Result<up_data_structs::CollectionLimits>>()?,186 )187 } else {188 None189 };190191 let pending_sponsor = data.pending_sponsor.into_option_sub_cross_account::<T>()?;192193 let restricted = if !data.nesting_settings.restricted.is_empty() {194 Some(195 data.nesting_settings196 .restricted197 .iter()198 .map(map_eth_to_id)199 .collect::<Option<BTreeSet<_>>>()200 .ok_or("can't convert address into collection id")?201 .try_into()202 .map_err(|_| "too many collections")?,203 )204 } else {205 None206 };207208 let admin_list = data209 .admin_list210 .into_iter()211 .map(|admin| admin.into_sub_cross_account::<T>())212 .collect::<Result<Vec<_>>>()?;213214 let flags = data.flags;215 if !flags.is_allowed_for_user() {216 return Err("internal flags were used".into());217 }218219 let data = CreateCollectionData {220 name,221 mode,222 description,223 token_prefix,224 properties,225 token_property_permissions,226 limits,227 pending_sponsor,228 access: None,229 permissions: Some(CollectionPermissions {230 access: None,231 mint_mode: None,232 nesting: Some(NestingPermissions {233 token_owner: data.nesting_settings.token_owner,234 collection_admin: data.nesting_settings.collection_admin,235 restricted,236 #[cfg(feature = "runtime-benchmarks")]237 permissive: true,238 }),239 }),240 admin_list,241 flags,242 };243 check_sent_amount_equals_collection_creation_price::<T>(value)?;244 let collection_helpers_address =245 T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());246247 let collection_id = T::CollectionDispatch::create(248 caller,249 CollectionIssuer::User(collection_helpers_address),250 data,251 )252 .map_err(dispatch_to_evm::<T>)?;253254 let address = pallet_common::eth::collection_id_to_address(collection_id);255 Ok(address)256 }257258 259 260 261 262 263 #[weight(<SelfWeightOf<T>>::create_collection())]264 #[solidity(rename_selector = "createNFTCollection")]265 fn create_nft_collection(266 &mut self,267 caller: Caller,268 value: Value,269 name: String,270 description: String,271 token_prefix: String,272 ) -> Result<Address> {273 let (caller, name, description, token_prefix) =274 convert_data::<T>(caller, name, description, token_prefix)?;275 let data = CreateCollectionData {276 name,277 mode: CollectionMode::NFT,278 description,279 token_prefix,280 ..Default::default()281 };282 check_sent_amount_equals_collection_creation_price::<T>(value)?;283 let collection_helpers_address =284 T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());285 let collection_id = T::CollectionDispatch::create(286 caller,287 CollectionIssuer::User(collection_helpers_address),288 data,289 )290 .map_err(dispatch_to_evm::<T>)?;291292 let address = pallet_common::eth::collection_id_to_address(collection_id);293 Ok(address)294 }295 296 297 298 299 300 #[deprecated(note = "mathod was renamed to `create_nft_collection`, prefer it instead")]301 #[solidity(hide)]302 #[weight(<SelfWeightOf<T>>::create_collection())]303 fn create_nonfungible_collection(304 &mut self,305 caller: Caller,306 value: Value,307 name: String,308 description: String,309 token_prefix: String,310 ) -> Result<Address> {311 create_collection_internal::<T>(312 caller,313 value,314 name,315 CollectionMode::NFT,316 description,317 token_prefix,318 )319 }320321 #[weight(<SelfWeightOf<T>>::create_collection())]322 #[solidity(rename_selector = "createRFTCollection")]323 fn create_rft_collection(324 &mut self,325 caller: Caller,326 value: Value,327 name: String,328 description: String,329 token_prefix: String,330 ) -> Result<Address> {331 create_collection_internal::<T>(332 caller,333 value,334 name,335 CollectionMode::ReFungible,336 description,337 token_prefix,338 )339 }340341 #[weight(<SelfWeightOf<T>>::create_collection())]342 #[solidity(rename_selector = "createFTCollection")]343 fn create_fungible_collection(344 &mut self,345 caller: Caller,346 value: Value,347 name: String,348 decimals: u8,349 description: String,350 token_prefix: String,351 ) -> Result<Address> {352 create_collection_internal::<T>(353 caller,354 value,355 name,356 CollectionMode::Fungible(decimals),357 description,358 token_prefix,359 )360 }361362 #[solidity(rename_selector = "makeCollectionERC721MetadataCompatible")]363 fn make_collection_metadata_compatible(364 &mut self,365 caller: Caller,366 collection: Address,367 base_uri: String,368 ) -> Result<()> {369 let caller = T::CrossAccountId::from_eth(caller);370 let collection =371 pallet_common::eth::map_eth_to_id(&collection).ok_or("not a collection address")?;372 let mut collection =373 <CollectionHandle<T>>::new(collection).ok_or("collection not found")?;374375 if !matches!(376 collection.mode,377 CollectionMode::NFT | CollectionMode::ReFungible378 ) {379 return Err("target collection should be either NFT or Refungible".into());380 }381382 self.recorder().consume_sstore()?;383 collection384 .check_is_owner_or_admin(&caller)385 .map_err(dispatch_to_evm::<T>)?;386387 if collection.flags.erc721metadata {388 return Err("target collection is already Erc721Metadata compatible".into());389 }390 collection.flags.erc721metadata = true;391392 let all_permissions = <pallet_common::CollectionPropertyPermissions<T>>::get(collection.id);393 if all_permissions.get(&key::url()).is_none() {394 self.recorder().consume_sstore()?;395 <PalletCommon<T>>::set_property_permission(396 &collection,397 &caller,398 up_data_structs::PropertyKeyPermission {399 key: key::url(),400 permission: up_data_structs::PropertyPermission {401 mutable: true,402 collection_admin: true,403 token_owner: false,404 },405 },406 )407 .map_err(dispatch_to_evm::<T>)?;408 }409 if all_permissions.get(&key::suffix()).is_none() {410 self.recorder().consume_sstore()?;411 <PalletCommon<T>>::set_property_permission(412 &collection,413 &caller,414 up_data_structs::PropertyKeyPermission {415 key: key::suffix(),416 permission: up_data_structs::PropertyPermission {417 mutable: true,418 collection_admin: true,419 token_owner: false,420 },421 },422 )423 .map_err(dispatch_to_evm::<T>)?;424 }425426 let all_properties = <pallet_common::CollectionProperties<T>>::get(collection.id);427 if all_properties.get(&key::base_uri()).is_none() && !base_uri.is_empty() {428 self.recorder().consume_sstore()?;429 <PalletCommon<T>>::set_collection_properties(430 &collection,431 &caller,432 [up_data_structs::Property {433 key: key::base_uri(),434 value: base_uri435 .into_bytes()436 .try_into()437 .map_err(|_| "base uri is too large")?,438 }]439 .into_iter(),440 )441 .map_err(dispatch_to_evm::<T>)?;442 }443444 self.recorder().consume_sstore()?;445 collection.save().map_err(dispatch_to_evm::<T>)?;446447 Ok(())448 }449450 #[weight(<SelfWeightOf<T>>::destroy_collection())]451 fn destroy_collection(&mut self, caller: Caller, collection_address: Address) -> Result<()> {452 let caller = T::CrossAccountId::from_eth(caller);453454 let collection_id = pallet_common::eth::map_eth_to_id(&collection_address)455 .ok_or("Invalid collection address format")?;456 <Pallet<T>>::destroy_collection_internal(caller, collection_id)457 .map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)458 }459460 461 462 463 fn is_collection_exist(&self, _caller: Caller, collection_address: Address) -> Result<bool> {464 if let Some(id) = pallet_common::eth::map_eth_to_id(&collection_address) {465 let collection_id = id;466 return Ok(<CollectionById<T>>::contains_key(collection_id));467 }468469 Ok(false)470 }471472 fn collection_creation_fee(&self) -> Result<Value> {473 let price: u128 = T::CollectionCreationPrice::get()474 .try_into()475 .map_err(|_| ()) 476 .expect("Collection creation price should be convertible to u128");477 Ok(price.into())478 }479480 481 482 483 fn collection_address(&self, collection_id: u32) -> Result<Address> {484 Ok(collection_id_to_address(collection_id.into()))485 }486487 488 489 490 fn collection_id(&self, collection_address: Address) -> Result<u32> {491 map_eth_to_id(&collection_address)492 .map(|id| id.0)493 .ok_or(Error::Revert(format!(494 "failed to convert address {collection_address} into collectionId."495 )))496 }497}498499500pub struct CollectionHelpersOnMethodCall<T: Config>(PhantomData<*const T>);501impl<T: Config + pallet_nonfungible::Config + pallet_refungible::Config> OnMethodCall<T>502 for CollectionHelpersOnMethodCall<T>503where504 T::AccountId: From<[u8; 32]>,505{506 fn is_reserved(contract: &sp_core::H160) -> bool {507 contract == &T::ContractAddress::get()508 }509510 fn is_used(contract: &sp_core::H160) -> bool {511 contract == &T::ContractAddress::get()512 }513514 fn call(handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> {515 if handle.code_address() != T::ContractAddress::get() {516 return None;517 }518519 let helpers =520 EvmCollectionHelpers::<T>(SubstrateRecorder::<T>::new(handle.remaining_gas()));521 pallet_evm_coder_substrate::call(handle, helpers)522 }523524 fn get_code(contract: &sp_core::H160) -> Option<Vec<u8>> {525 (contract == &T::ContractAddress::get())526 .then(|| include_bytes!("./stubs/CollectionHelpers.raw").to_vec())527 }528}529530generate_stubgen!(collection_helper_impl, CollectionHelpersCall<()>, true);531generate_stubgen!(collection_helper_iface, CollectionHelpersCall<()>, false);532533fn error_field_too_long(feild: &str, bound: usize) -> Error {534 Error::Revert(format!("{feild} is too long. Max length is {bound}."))535}