git.delta.rocks / unique-network / refs/commits / 23e7e864f113

difftreelog

Merge pull request #337 from UniqueNetwork/CORE-178

kozyrevdev2022-04-21parents: #41b4396 #ac711ec.patch.diff
in: master
feature/core-178

9 files changed

modifiedclient/rpc/src/lib.rsdiffbeforeafterboth
--- a/client/rpc/src/lib.rs
+++ b/client/rpc/src/lib.rs
@@ -119,6 +119,15 @@
 	) -> Result<Option<Collection<AccountId>>>;
 	#[rpc(name = "unique_collectionStats")]
 	fn collection_stats(&self, at: Option<BlockHash>) -> Result<CollectionStats>;
+
+	#[rpc(name = "unique_nextSponsored")]
+	fn next_sponsored(
+		&self,
+		collection: CollectionId,
+		account: CrossAccountId,
+		token: TokenId,
+		at: Option<BlockHash>,
+	) -> Result<Option<u64>>;
 	#[rpc(name = "unique_effectiveCollectionLimits")]
 	fn effective_collection_limits(
 		&self,
@@ -228,5 +237,6 @@
 	pass_method!(last_token_id(collection: CollectionId) -> TokenId);
 	pass_method!(collection_by_id(collection: CollectionId) -> Option<Collection<AccountId>>);
 	pass_method!(collection_stats() -> CollectionStats);
+	pass_method!(next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Option<u64>);
 	pass_method!(effective_collection_limits(collection_id: CollectionId) -> Option<CollectionLimits>);
 }
modifiedpallets/unique/src/lib.rsdiffbeforeafterboth
--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -67,7 +67,7 @@
 
 mod eth;
 mod sponsorship;
-pub use sponsorship::UniqueSponsorshipHandler;
+pub use sponsorship::{UniqueSponsorshipHandler, UniqueSponsorshipPredict};
 pub use eth::sponsoring::UniqueEthSponsorshipHandler;
 
 pub use eth::UniqueErcSupport;
@@ -82,6 +82,12 @@
 pub mod weights;
 use weights::WeightInfo;
 
+pub trait SponsorshipPredict<T: Config> {
+	fn predict(collection: CollectionId, account: T::CrossAccountId, token: TokenId) -> Option<u64>
+	where
+		u64: From<<T as frame_system::Config>::BlockNumber>;
+}
+
 decl_error! {
 	/// Error for non-fungible-token module.
 	pub enum Error for Module<T: Config> {
modifiedpallets/unique/src/sponsorship.rsdiffbeforeafterboth
--- a/pallets/unique/src/sponsorship.rs
+++ b/pallets/unique/src/sponsorship.rs
@@ -29,6 +29,7 @@
 	CollectionId, FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MetaUpdatePermission,
 	NFT_SPONSOR_TRANSFER_TIMEOUT, REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, TokenId,
 };
+use sp_runtime::traits::Saturating;
 use pallet_common::{CollectionHandle};
 use pallet_evm::account::CrossAccountId;
 
@@ -301,3 +302,65 @@
 		}
 	}
 }
+
+use crate::SponsorshipPredict;
+use up_data_structs::SponsorshipState;
+pub struct UniqueSponsorshipPredict<T>(PhantomData<T>);
+
+impl<T> SponsorshipPredict<T> for UniqueSponsorshipPredict<T>
+where
+	T: Config,
+{
+	fn predict(collection_id: CollectionId, who: T::CrossAccountId, token: TokenId) -> Option<u64>
+	where
+		u64: From<<T as frame_system::Config>::BlockNumber>,
+	{
+		let collection = <CollectionHandle<T>>::try_get(collection_id).ok()?;
+		let _ = collection.sponsorship.sponsor()?;
+
+		// sponsor timeout
+		let block_number = <frame_system::Pallet<T>>::block_number() as T::BlockNumber;
+		let limit = collection
+			.limits
+			.sponsor_transfer_timeout(match collection.mode {
+				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,
+				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,
+				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,
+			});
+
+		let last_tx_block = match collection.mode {
+			CollectionMode::NFT => <NftTransferBasket<T>>::get(collection.id, token),
+			CollectionMode::Fungible(_) => {
+				<FungibleTransferBasket<T>>::get(collection.id, who.as_sub())
+			}
+			CollectionMode::ReFungible => {
+				<ReFungibleTransferBasket<T>>::get((collection.id, token, who.as_sub()))
+			}
+		};
+
+		if let Some(last_tx_block) = last_tx_block {
+			return Some(
+				last_tx_block
+					.saturating_add(limit.into())
+					.saturating_sub(block_number)
+					.into(),
+			);
+		}
+
+		let token_exists = match collection.mode {
+			CollectionMode::NFT => {
+				<pallet_nonfungible::TokenData<T>>::contains_key((collection.id, token))
+			}
+			CollectionMode::Fungible(_) => true,
+			CollectionMode::ReFungible => {
+				<pallet_refungible::TotalSupply<T>>::contains_key((collection.id, token))
+			}
+		};
+
+		if token_exists {
+			Some(0)
+		} else {
+			None
+		}
+	}
+}
modifiedprimitives/rpc/src/lib.rsdiffbeforeafterboth
--- a/primitives/rpc/src/lib.rs
+++ b/primitives/rpc/src/lib.rs
@@ -59,6 +59,7 @@
 		fn last_token_id(collection: CollectionId) -> Result<TokenId>;
 		fn collection_by_id(collection: CollectionId) -> Result<Option<Collection<AccountId>>>;
 		fn collection_stats() -> Result<CollectionStats>;
+		fn next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<Option<u64>>;
 		fn effective_collection_limits(collection_id: CollectionId) -> Result<Option<CollectionLimits>>;
 	}
 }
modifiedruntime/common/src/runtime_apis.rsdiffbeforeafterboth
before · runtime/common/src/runtime_apis.rs
1#[macro_export]2macro_rules! impl_common_runtime_apis {3    (4        $(5            #![custom_apis]67            $($custom_apis:tt)+8        )?9    ) => {10        impl_runtime_apis! {11            $($($custom_apis)+)?1213            impl up_rpc::UniqueApi<Block, CrossAccountId, AccountId> for Runtime {14                fn account_tokens(collection: CollectionId, account: CrossAccountId) -> Result<Vec<TokenId>, DispatchError> {15                    dispatch_unique_runtime!(collection.account_tokens(account))16                }17                fn token_exists(collection: CollectionId, token: TokenId) -> Result<bool, DispatchError> {18                    dispatch_unique_runtime!(collection.token_exists(token))19                }2021                fn token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>, DispatchError> {22                    dispatch_unique_runtime!(collection.token_owner(token))23                }24                fn const_metadata(collection: CollectionId, token: TokenId) -> Result<Vec<u8>, DispatchError> {25                    dispatch_unique_runtime!(collection.const_metadata(token))26                }27                fn variable_metadata(collection: CollectionId, token: TokenId) -> Result<Vec<u8>, DispatchError> {28                    dispatch_unique_runtime!(collection.variable_metadata(token))29                }3031                fn collection_tokens(collection: CollectionId) -> Result<u32, DispatchError> {32                    dispatch_unique_runtime!(collection.collection_tokens())33                }34                fn account_balance(collection: CollectionId, account: CrossAccountId) -> Result<u32, DispatchError> {35                    dispatch_unique_runtime!(collection.account_balance(account))36                }37                fn balance(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<u128, DispatchError> {38                    dispatch_unique_runtime!(collection.balance(account, token))39                }40                fn allowance(41                    collection: CollectionId,42                    sender: CrossAccountId,43                    spender: CrossAccountId,44                    token: TokenId,45                ) -> Result<u128, DispatchError> {46                    dispatch_unique_runtime!(collection.allowance(sender, spender, token))47                }4849                fn eth_contract_code(account: H160) -> Option<Vec<u8>> {50                    <pallet_unique::UniqueErcSupport<Runtime>>::get_code(&account)51                        .or_else(|| <pallet_evm_migration::OnMethodCall<Runtime>>::get_code(&account))52                        .or_else(|| <pallet_evm_contract_helpers::HelpersOnMethodCall<Self>>::get_code(&account))53                }54                fn adminlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {55                    Ok(<pallet_common::Pallet<Runtime>>::adminlist(collection))56                }57                fn allowlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {58                    Ok(<pallet_common::Pallet<Runtime>>::allowlist(collection))59                }60                fn allowed(collection: CollectionId, user: CrossAccountId) -> Result<bool, DispatchError> {61                    Ok(<pallet_common::Pallet<Runtime>>::allowed(collection, user))62                }63                fn last_token_id(collection: CollectionId) -> Result<TokenId, DispatchError> {64                    dispatch_unique_runtime!(collection.last_token_id())65                }66                fn collection_by_id(collection: CollectionId) -> Result<Option<Collection<AccountId>>, DispatchError> {67                    Ok(<pallet_common::CollectionById<Runtime>>::get(collection))68                }69                fn collection_stats() -> Result<CollectionStats, DispatchError> {70                    Ok(<pallet_common::Pallet<Runtime>>::collection_stats())71                }7273                fn effective_collection_limits(collection: CollectionId) -> Result<Option<CollectionLimits>, DispatchError> {74                    Ok(<pallet_common::Pallet<Runtime>>::effective_collection_limits(collection))75                }76            }7778            impl sp_api::Core<Block> for Runtime {79                fn version() -> RuntimeVersion {80                    VERSION81                }8283                fn execute_block(block: Block) {84                    Executive::execute_block(block)85                }8687                fn initialize_block(header: &<Block as BlockT>::Header) {88                    Executive::initialize_block(header)89                }90            }9192            impl sp_api::Metadata<Block> for Runtime {93                fn metadata() -> OpaqueMetadata {94                    OpaqueMetadata::new(Runtime::metadata().into())95                }96            }9798            impl sp_block_builder::BlockBuilder<Block> for Runtime {99                fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {100                    Executive::apply_extrinsic(extrinsic)101                }102103                fn finalize_block() -> <Block as BlockT>::Header {104                    Executive::finalize_block()105                }106107                fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {108                    data.create_extrinsics()109                }110111                fn check_inherents(112                    block: Block,113                    data: sp_inherents::InherentData,114                ) -> sp_inherents::CheckInherentsResult {115                    data.check_extrinsics(&block)116                }117118                // fn random_seed() -> <Block as BlockT>::Hash {119                //     RandomnessCollectiveFlip::random_seed().0120                // }121            }122123            impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {124                fn validate_transaction(125                    source: TransactionSource,126                    tx: <Block as BlockT>::Extrinsic,127                    hash: <Block as BlockT>::Hash,128                ) -> TransactionValidity {129                    Executive::validate_transaction(source, tx, hash)130                }131            }132133            impl sp_offchain::OffchainWorkerApi<Block> for Runtime {134                fn offchain_worker(header: &<Block as BlockT>::Header) {135                    Executive::offchain_worker(header)136                }137            }138139            impl fp_rpc::EthereumRuntimeRPCApi<Block> for Runtime {140                fn chain_id() -> u64 {141                    <Runtime as pallet_evm::Config>::ChainId::get()142                }143144                fn account_basic(address: H160) -> EVMAccount {145                    EVM::account_basic(&address)146                }147148                fn gas_price() -> U256 {149                    <Runtime as pallet_evm::Config>::FeeCalculator::min_gas_price()150                }151152                fn account_code_at(address: H160) -> Vec<u8> {153                    EVM::account_codes(address)154                }155156                fn author() -> H160 {157                    <pallet_evm::Pallet<Runtime>>::find_author()158                }159160                fn storage_at(address: H160, index: U256) -> H256 {161                    let mut tmp = [0u8; 32];162                    index.to_big_endian(&mut tmp);163                    EVM::account_storages(address, H256::from_slice(&tmp[..]))164                }165166                #[allow(clippy::redundant_closure)]167                fn call(168                    from: H160,169                    to: H160,170                    data: Vec<u8>,171                    value: U256,172                    gas_limit: U256,173                    max_fee_per_gas: Option<U256>,174                    max_priority_fee_per_gas: Option<U256>,175                    nonce: Option<U256>,176                    estimate: bool,177                    access_list: Option<Vec<(H160, Vec<H256>)>>,178                ) -> Result<pallet_evm::CallInfo, sp_runtime::DispatchError> {179                    let config = if estimate {180                        let mut config = <Runtime as pallet_evm::Config>::config().clone();181                        config.estimate = true;182                        Some(config)183                    } else {184                        None185                    };186187                    <Runtime as pallet_evm::Config>::Runner::call(188                        CrossAccountId::from_eth(from),189                        to,190                        data,191                        value,192                        gas_limit.low_u64(),193                        max_fee_per_gas,194                        max_priority_fee_per_gas,195                        nonce,196                        access_list.unwrap_or_default(),197                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),198                    ).map_err(|err| err.into())199                }200201                #[allow(clippy::redundant_closure)]202                fn create(203                    from: H160,204                    data: Vec<u8>,205                    value: U256,206                    gas_limit: U256,207                    max_fee_per_gas: Option<U256>,208                    max_priority_fee_per_gas: Option<U256>,209                    nonce: Option<U256>,210                    estimate: bool,211                    access_list: Option<Vec<(H160, Vec<H256>)>>,212                ) -> Result<pallet_evm::CreateInfo, sp_runtime::DispatchError> {213                    let config = if estimate {214                        let mut config = <Runtime as pallet_evm::Config>::config().clone();215                        config.estimate = true;216                        Some(config)217                    } else {218                        None219                    };220221                    <Runtime as pallet_evm::Config>::Runner::create(222                        CrossAccountId::from_eth(from),223                        data,224                        value,225                        gas_limit.low_u64(),226                        max_fee_per_gas,227                        max_priority_fee_per_gas,228                        nonce,229                        access_list.unwrap_or_default(),230                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),231                    ).map_err(|err| err.into())232                }233234                fn current_transaction_statuses() -> Option<Vec<TransactionStatus>> {235                    Ethereum::current_transaction_statuses()236                }237238                fn current_block() -> Option<pallet_ethereum::Block> {239                    Ethereum::current_block()240                }241242                fn current_receipts() -> Option<Vec<pallet_ethereum::Receipt>> {243                    Ethereum::current_receipts()244                }245246                fn current_all() -> (247                    Option<pallet_ethereum::Block>,248                    Option<Vec<pallet_ethereum::Receipt>>,249                    Option<Vec<TransactionStatus>>250                ) {251                    (252                        Ethereum::current_block(),253                        Ethereum::current_receipts(),254                        Ethereum::current_transaction_statuses()255                    )256                }257258                fn extrinsic_filter(xts: Vec<<Block as sp_api::BlockT>::Extrinsic>) -> Vec<pallet_ethereum::Transaction> {259                    xts.into_iter().filter_map(|xt| match xt.0.function {260                        Call::Ethereum(pallet_ethereum::Call::transact { transaction }) => Some(transaction),261                        _ => None262                    }).collect()263                }264265                fn elasticity() -> Option<Permill> {266                    None267                }268            }269270            impl sp_session::SessionKeys<Block> for Runtime {271                fn decode_session_keys(272                    encoded: Vec<u8>,273                ) -> Option<Vec<(Vec<u8>, KeyTypeId)>> {274                    SessionKeys::decode_into_raw_public_keys(&encoded)275                }276277                fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {278                    SessionKeys::generate(seed)279                }280            }281282            impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {283                fn slot_duration() -> sp_consensus_aura::SlotDuration {284                    sp_consensus_aura::SlotDuration::from_millis(Aura::slot_duration())285                }286287                fn authorities() -> Vec<AuraId> {288                    Aura::authorities().to_vec()289                }290            }291292            impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {293                fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {294                    ParachainSystem::collect_collation_info(header)295                }296            }297298            impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {299                fn account_nonce(account: AccountId) -> Index {300                    System::account_nonce(account)301                }302            }303304            impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {305                fn query_info(uxt: <Block as BlockT>::Extrinsic, len: u32) -> RuntimeDispatchInfo<Balance> {306                    TransactionPayment::query_info(uxt, len)307                }308                fn query_fee_details(uxt: <Block as BlockT>::Extrinsic, len: u32) -> FeeDetails<Balance> {309                    TransactionPayment::query_fee_details(uxt, len)310                }311            }312313            /*314            impl pallet_contracts_rpc_runtime_api::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash>315                for Runtime316            {317                fn call(318                    origin: AccountId,319                    dest: AccountId,320                    value: Balance,321                    gas_limit: u64,322                    input_data: Vec<u8>,323                ) -> pallet_contracts_primitives::ContractExecResult {324                    Contracts::bare_call(origin, dest, value, gas_limit, input_data, false)325                }326327                fn instantiate(328                    origin: AccountId,329                    endowment: Balance,330                    gas_limit: u64,331                    code: pallet_contracts_primitives::Code<Hash>,332                    data: Vec<u8>,333                    salt: Vec<u8>,334                ) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, BlockNumber>335                {336                    Contracts::bare_instantiate(origin, endowment, gas_limit, code, data, salt, true, false)337                }338339                fn get_storage(340                    address: AccountId,341                    key: [u8; 32],342                ) -> pallet_contracts_primitives::GetStorageResult {343                    Contracts::get_storage(address, key)344                }345346                fn rent_projection(347                    address: AccountId,348                ) -> pallet_contracts_primitives::RentProjectionResult<BlockNumber> {349                    Contracts::rent_projection(address)350                }351            }352            */353354            #[cfg(feature = "runtime-benchmarks")]355            impl frame_benchmarking::Benchmark<Block> for Runtime {356                fn benchmark_metadata(extra: bool) -> (357                    Vec<frame_benchmarking::BenchmarkList>,358                    Vec<frame_support::traits::StorageInfo>,359                ) {360                    use frame_benchmarking::{list_benchmark, Benchmarking, BenchmarkList};361                    use frame_support::traits::StorageInfoTrait;362363                    let mut list = Vec::<BenchmarkList>::new();364365                    list_benchmark!(list, extra, pallet_evm_migration, EvmMigration);366                    list_benchmark!(list, extra, pallet_unique, Unique);367                    list_benchmark!(list, extra, pallet_inflation, Inflation);368                    list_benchmark!(list, extra, pallet_fungible, Fungible);369                    list_benchmark!(list, extra, pallet_refungible, Refungible);370                    list_benchmark!(list, extra, pallet_nonfungible, Nonfungible);371                    // list_benchmark!(list, extra, pallet_evm_coder_substrate, EvmCoderSubstrate);372373                    let storage_info = AllPalletsReversedWithSystemFirst::storage_info();374375                    return (list, storage_info)376                }377378                fn dispatch_benchmark(379                    config: frame_benchmarking::BenchmarkConfig380                ) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {381                    use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey};382383                    let allowlist: Vec<TrackedStorageKey> = vec![384                        // Block Number385                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),386                        // Total Issuance387                        hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80").to_vec().into(),388                        // Execution Phase389                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a").to_vec().into(),390                        // Event Count391                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850").to_vec().into(),392                        // System Events393                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),394                    ];395396                    let mut batches = Vec::<BenchmarkBatch>::new();397                    let params = (&config, &allowlist);398399                    add_benchmark!(params, batches, pallet_evm_migration, EvmMigration);400                    add_benchmark!(params, batches, pallet_unique, Unique);401                    add_benchmark!(params, batches, pallet_inflation, Inflation);402                    add_benchmark!(params, batches, pallet_fungible, Fungible);403                    add_benchmark!(params, batches, pallet_refungible, Refungible);404                    add_benchmark!(params, batches, pallet_nonfungible, Nonfungible);405                    // add_benchmark!(params, batches, pallet_evm_coder_substrate, EvmCoderSubstrate);406407                    if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }408                    Ok(batches)409                }410            }411        }412    }413}
after · runtime/common/src/runtime_apis.rs
1#[macro_export]2macro_rules! impl_common_runtime_apis {3    (4        $(5            #![custom_apis]67            $($custom_apis:tt)+8        )?9    ) => {10        impl_runtime_apis! {11            $($($custom_apis)+)?1213            impl up_rpc::UniqueApi<Block, CrossAccountId, AccountId> for Runtime {14                fn account_tokens(collection: CollectionId, account: CrossAccountId) -> Result<Vec<TokenId>, DispatchError> {15                    dispatch_unique_runtime!(collection.account_tokens(account))16                }17                fn token_exists(collection: CollectionId, token: TokenId) -> Result<bool, DispatchError> {18                    dispatch_unique_runtime!(collection.token_exists(token))19                }2021                fn token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>, DispatchError> {22                    dispatch_unique_runtime!(collection.token_owner(token))23                }24                fn const_metadata(collection: CollectionId, token: TokenId) -> Result<Vec<u8>, DispatchError> {25                    dispatch_unique_runtime!(collection.const_metadata(token))26                }27                fn variable_metadata(collection: CollectionId, token: TokenId) -> Result<Vec<u8>, DispatchError> {28                    dispatch_unique_runtime!(collection.variable_metadata(token))29                }3031                fn collection_tokens(collection: CollectionId) -> Result<u32, DispatchError> {32                    dispatch_unique_runtime!(collection.collection_tokens())33                }34                fn account_balance(collection: CollectionId, account: CrossAccountId) -> Result<u32, DispatchError> {35                    dispatch_unique_runtime!(collection.account_balance(account))36                }37                fn balance(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<u128, DispatchError> {38                    dispatch_unique_runtime!(collection.balance(account, token))39                }40                fn allowance(41                    collection: CollectionId,42                    sender: CrossAccountId,43                    spender: CrossAccountId,44                    token: TokenId,45                ) -> Result<u128, DispatchError> {46                    dispatch_unique_runtime!(collection.allowance(sender, spender, token))47                }4849                fn eth_contract_code(account: H160) -> Option<Vec<u8>> {50                    <pallet_unique::UniqueErcSupport<Runtime>>::get_code(&account)51                        .or_else(|| <pallet_evm_migration::OnMethodCall<Runtime>>::get_code(&account))52                        .or_else(|| <pallet_evm_contract_helpers::HelpersOnMethodCall<Self>>::get_code(&account))53                }54                fn adminlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {55                    Ok(<pallet_common::Pallet<Runtime>>::adminlist(collection))56                }57                fn allowlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {58                    Ok(<pallet_common::Pallet<Runtime>>::allowlist(collection))59                }60                fn allowed(collection: CollectionId, user: CrossAccountId) -> Result<bool, DispatchError> {61                    Ok(<pallet_common::Pallet<Runtime>>::allowed(collection, user))62                }63                fn last_token_id(collection: CollectionId) -> Result<TokenId, DispatchError> {64                    dispatch_unique_runtime!(collection.last_token_id())65                }66                fn collection_by_id(collection: CollectionId) -> Result<Option<Collection<AccountId>>, DispatchError> {67                    Ok(<pallet_common::CollectionById<Runtime>>::get(collection))68                }69                fn collection_stats() -> Result<CollectionStats, DispatchError> {70                    Ok(<pallet_common::Pallet<Runtime>>::collection_stats())71                }72                fn next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<Option<u64>, DispatchError> {73                    Ok(<pallet_unique::UniqueSponsorshipPredict<Runtime> as74                            pallet_unique::SponsorshipPredict<Runtime>>::predict(75                        collection,76                        account,77                        token))78                }7980                fn effective_collection_limits(collection: CollectionId) -> Result<Option<CollectionLimits>, DispatchError> {81                    Ok(<pallet_common::Pallet<Runtime>>::effective_collection_limits(collection))82                }83            }8485            impl sp_api::Core<Block> for Runtime {86                fn version() -> RuntimeVersion {87                    VERSION88                }8990                fn execute_block(block: Block) {91                    Executive::execute_block(block)92                }9394                fn initialize_block(header: &<Block as BlockT>::Header) {95                    Executive::initialize_block(header)96                }97            }9899            impl sp_api::Metadata<Block> for Runtime {100                fn metadata() -> OpaqueMetadata {101                    OpaqueMetadata::new(Runtime::metadata().into())102                }103            }104105            impl sp_block_builder::BlockBuilder<Block> for Runtime {106                fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {107                    Executive::apply_extrinsic(extrinsic)108                }109110                fn finalize_block() -> <Block as BlockT>::Header {111                    Executive::finalize_block()112                }113114                fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {115                    data.create_extrinsics()116                }117118                fn check_inherents(119                    block: Block,120                    data: sp_inherents::InherentData,121                ) -> sp_inherents::CheckInherentsResult {122                    data.check_extrinsics(&block)123                }124125                // fn random_seed() -> <Block as BlockT>::Hash {126                //     RandomnessCollectiveFlip::random_seed().0127                // }128            }129130            impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {131                fn validate_transaction(132                    source: TransactionSource,133                    tx: <Block as BlockT>::Extrinsic,134                    hash: <Block as BlockT>::Hash,135                ) -> TransactionValidity {136                    Executive::validate_transaction(source, tx, hash)137                }138            }139140            impl sp_offchain::OffchainWorkerApi<Block> for Runtime {141                fn offchain_worker(header: &<Block as BlockT>::Header) {142                    Executive::offchain_worker(header)143                }144            }145146            impl fp_rpc::EthereumRuntimeRPCApi<Block> for Runtime {147                fn chain_id() -> u64 {148                    <Runtime as pallet_evm::Config>::ChainId::get()149                }150151                fn account_basic(address: H160) -> EVMAccount {152                    EVM::account_basic(&address)153                }154155                fn gas_price() -> U256 {156                    <Runtime as pallet_evm::Config>::FeeCalculator::min_gas_price()157                }158159                fn account_code_at(address: H160) -> Vec<u8> {160                    EVM::account_codes(address)161                }162163                fn author() -> H160 {164                    <pallet_evm::Pallet<Runtime>>::find_author()165                }166167                fn storage_at(address: H160, index: U256) -> H256 {168                    let mut tmp = [0u8; 32];169                    index.to_big_endian(&mut tmp);170                    EVM::account_storages(address, H256::from_slice(&tmp[..]))171                }172173                #[allow(clippy::redundant_closure)]174                fn call(175                    from: H160,176                    to: H160,177                    data: Vec<u8>,178                    value: U256,179                    gas_limit: U256,180                    max_fee_per_gas: Option<U256>,181                    max_priority_fee_per_gas: Option<U256>,182                    nonce: Option<U256>,183                    estimate: bool,184                    access_list: Option<Vec<(H160, Vec<H256>)>>,185                ) -> Result<pallet_evm::CallInfo, sp_runtime::DispatchError> {186                    let config = if estimate {187                        let mut config = <Runtime as pallet_evm::Config>::config().clone();188                        config.estimate = true;189                        Some(config)190                    } else {191                        None192                    };193194                    <Runtime as pallet_evm::Config>::Runner::call(195                        CrossAccountId::from_eth(from),196                        to,197                        data,198                        value,199                        gas_limit.low_u64(),200                        max_fee_per_gas,201                        max_priority_fee_per_gas,202                        nonce,203                        access_list.unwrap_or_default(),204                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),205                    ).map_err(|err| err.into())206                }207208                #[allow(clippy::redundant_closure)]209                fn create(210                    from: H160,211                    data: Vec<u8>,212                    value: U256,213                    gas_limit: U256,214                    max_fee_per_gas: Option<U256>,215                    max_priority_fee_per_gas: Option<U256>,216                    nonce: Option<U256>,217                    estimate: bool,218                    access_list: Option<Vec<(H160, Vec<H256>)>>,219                ) -> Result<pallet_evm::CreateInfo, sp_runtime::DispatchError> {220                    let config = if estimate {221                        let mut config = <Runtime as pallet_evm::Config>::config().clone();222                        config.estimate = true;223                        Some(config)224                    } else {225                        None226                    };227228                    <Runtime as pallet_evm::Config>::Runner::create(229                        CrossAccountId::from_eth(from),230                        data,231                        value,232                        gas_limit.low_u64(),233                        max_fee_per_gas,234                        max_priority_fee_per_gas,235                        nonce,236                        access_list.unwrap_or_default(),237                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),238                    ).map_err(|err| err.into())239                }240241                fn current_transaction_statuses() -> Option<Vec<TransactionStatus>> {242                    Ethereum::current_transaction_statuses()243                }244245                fn current_block() -> Option<pallet_ethereum::Block> {246                    Ethereum::current_block()247                }248249                fn current_receipts() -> Option<Vec<pallet_ethereum::Receipt>> {250                    Ethereum::current_receipts()251                }252253                fn current_all() -> (254                    Option<pallet_ethereum::Block>,255                    Option<Vec<pallet_ethereum::Receipt>>,256                    Option<Vec<TransactionStatus>>257                ) {258                    (259                        Ethereum::current_block(),260                        Ethereum::current_receipts(),261                        Ethereum::current_transaction_statuses()262                    )263                }264265                fn extrinsic_filter(xts: Vec<<Block as sp_api::BlockT>::Extrinsic>) -> Vec<pallet_ethereum::Transaction> {266                    xts.into_iter().filter_map(|xt| match xt.0.function {267                        Call::Ethereum(pallet_ethereum::Call::transact { transaction }) => Some(transaction),268                        _ => None269                    }).collect()270                }271272                fn elasticity() -> Option<Permill> {273                    None274                }275            }276277            impl sp_session::SessionKeys<Block> for Runtime {278                fn decode_session_keys(279                    encoded: Vec<u8>,280                ) -> Option<Vec<(Vec<u8>, KeyTypeId)>> {281                    SessionKeys::decode_into_raw_public_keys(&encoded)282                }283284                fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {285                    SessionKeys::generate(seed)286                }287            }288289            impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {290                fn slot_duration() -> sp_consensus_aura::SlotDuration {291                    sp_consensus_aura::SlotDuration::from_millis(Aura::slot_duration())292                }293294                fn authorities() -> Vec<AuraId> {295                    Aura::authorities().to_vec()296                }297            }298299            impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {300                fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {301                    ParachainSystem::collect_collation_info(header)302                }303            }304305            impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {306                fn account_nonce(account: AccountId) -> Index {307                    System::account_nonce(account)308                }309            }310311            impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {312                fn query_info(uxt: <Block as BlockT>::Extrinsic, len: u32) -> RuntimeDispatchInfo<Balance> {313                    TransactionPayment::query_info(uxt, len)314                }315                fn query_fee_details(uxt: <Block as BlockT>::Extrinsic, len: u32) -> FeeDetails<Balance> {316                    TransactionPayment::query_fee_details(uxt, len)317                }318            }319320            /*321            impl pallet_contracts_rpc_runtime_api::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash>322                for Runtime323            {324                fn call(325                    origin: AccountId,326                    dest: AccountId,327                    value: Balance,328                    gas_limit: u64,329                    input_data: Vec<u8>,330                ) -> pallet_contracts_primitives::ContractExecResult {331                    Contracts::bare_call(origin, dest, value, gas_limit, input_data, false)332                }333334                fn instantiate(335                    origin: AccountId,336                    endowment: Balance,337                    gas_limit: u64,338                    code: pallet_contracts_primitives::Code<Hash>,339                    data: Vec<u8>,340                    salt: Vec<u8>,341                ) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, BlockNumber>342                {343                    Contracts::bare_instantiate(origin, endowment, gas_limit, code, data, salt, true, false)344                }345346                fn get_storage(347                    address: AccountId,348                    key: [u8; 32],349                ) -> pallet_contracts_primitives::GetStorageResult {350                    Contracts::get_storage(address, key)351                }352353                fn rent_projection(354                    address: AccountId,355                ) -> pallet_contracts_primitives::RentProjectionResult<BlockNumber> {356                    Contracts::rent_projection(address)357                }358            }359            */360361            #[cfg(feature = "runtime-benchmarks")]362            impl frame_benchmarking::Benchmark<Block> for Runtime {363                fn benchmark_metadata(extra: bool) -> (364                    Vec<frame_benchmarking::BenchmarkList>,365                    Vec<frame_support::traits::StorageInfo>,366                ) {367                    use frame_benchmarking::{list_benchmark, Benchmarking, BenchmarkList};368                    use frame_support::traits::StorageInfoTrait;369370                    let mut list = Vec::<BenchmarkList>::new();371372                    list_benchmark!(list, extra, pallet_evm_migration, EvmMigration);373                    list_benchmark!(list, extra, pallet_unique, Unique);374                    list_benchmark!(list, extra, pallet_inflation, Inflation);375                    list_benchmark!(list, extra, pallet_fungible, Fungible);376                    list_benchmark!(list, extra, pallet_refungible, Refungible);377                    list_benchmark!(list, extra, pallet_nonfungible, Nonfungible);378                    // list_benchmark!(list, extra, pallet_evm_coder_substrate, EvmCoderSubstrate);379380                    let storage_info = AllPalletsReversedWithSystemFirst::storage_info();381382                    return (list, storage_info)383                }384385                fn dispatch_benchmark(386                    config: frame_benchmarking::BenchmarkConfig387                ) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {388                    use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey};389390                    let allowlist: Vec<TrackedStorageKey> = vec![391                        // Block Number392                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),393                        // Total Issuance394                        hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80").to_vec().into(),395                        // Execution Phase396                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a").to_vec().into(),397                        // Event Count398                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850").to_vec().into(),399                        // System Events400                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),401                    ];402403                    let mut batches = Vec::<BenchmarkBatch>::new();404                    let params = (&config, &allowlist);405406                    add_benchmark!(params, batches, pallet_evm_migration, EvmMigration);407                    add_benchmark!(params, batches, pallet_unique, Unique);408                    add_benchmark!(params, batches, pallet_inflation, Inflation);409                    add_benchmark!(params, batches, pallet_fungible, Fungible);410                    add_benchmark!(params, batches, pallet_refungible, Refungible);411                    add_benchmark!(params, batches, pallet_nonfungible, Nonfungible);412                    // add_benchmark!(params, batches, pallet_evm_coder_substrate, EvmCoderSubstrate);413414                    if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }415                    Ok(batches)416                }417            }418        }419    }420}
modifiedtests/src/interfaces/augment-api-rpc.tsdiffbeforeafterboth
--- a/tests/src/interfaces/augment-api-rpc.ts
+++ b/tests/src/interfaces/augment-api-rpc.ts
@@ -623,6 +623,10 @@
        * Get token variable metadata
        **/
       variableMetadata: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, tokenId: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Bytes>>;
+      /**
+       * nextSponsored transaction
+       **/
+      nextSponsored: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array,  account:  AccountId | string | Uint8Array | { Substrate: any } | { Ethereum: any } | string | Uint8Array, tokenId: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Option<u64>>>;
     };
     web3: {
       /**
modifiedtests/src/interfaces/unique/definitions.tsdiffbeforeafterboth
--- a/tests/src/interfaces/unique/definitions.ts
+++ b/tests/src/interfaces/unique/definitions.ts
@@ -55,6 +55,7 @@
     collectionById: fun('Get collection by specified id', [collectionParam], 'Option<UpDataStructsCollection>'),
     collectionStats: fun('Get collection stats', [], 'UpDataStructsCollectionStats'),
     allowed: fun('Check if user is allowed to use collection', [collectionParam, crossAccountParam()], 'bool'),
+    nextSponsored: fun('Get number of blocks when sponsored transaction is available', [collectionParam, crossAccountParam(), tokenParam], 'Option<u64>'),
     effectiveCollectionLimits: fun('Get effective collection limits', [collectionParam], 'Option<UpDataStructsCollectionLimits>'),
   },
 };
addedtests/src/nextSponsoring.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/nextSponsoring.test.ts
@@ -0,0 +1,110 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {ApiPromise} from '@polkadot/api';
+import {IKeyringPair} from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from './substrate/privateKey';
+import {default as usingApi} from './substrate/substrate-api';
+import {
+  createCollectionExpectSuccess,
+  setCollectionSponsorExpectSuccess,
+  confirmSponsorshipExpectSuccess,
+  createItemExpectSuccess,
+  transferExpectSuccess,
+  normalizeAccountId,
+  getNextSponsored,
+} from './util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+
+
+
+describe('Integration Test getNextSponsored(collection_id, owner, item_id):', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
+  before(async () => {
+    await usingApi(async () => {
+      alice = privateKey('//Alice');
+      bob = privateKey('//Bob');
+    });
+  });
+
+  it('NFT', async () => {
+    await usingApi(async (api: ApiPromise) => {
+
+      // Not existing collection 
+      expect(await getNextSponsored(api, 0, normalizeAccountId(alice), 0)).to.be.equal(-1);
+
+      const collectionId = await createCollectionExpectSuccess();
+      const itemId = await createItemExpectSuccess(alice, collectionId, 'NFT', alice.address);
+
+      // Check with Disabled sponsoring state
+      expect(await getNextSponsored(api, collectionId, normalizeAccountId(alice), itemId)).to.be.equal(-1);
+      await setCollectionSponsorExpectSuccess(collectionId, bob.address);
+
+      // Check with Unconfirmed sponsoring state
+      expect(await getNextSponsored(api, collectionId, normalizeAccountId(alice), itemId)).to.be.equal(-1);
+      await confirmSponsorshipExpectSuccess(collectionId, '//Bob');
+
+      // Check with Confirmed sponsoring state
+      expect(await getNextSponsored(api, collectionId, normalizeAccountId(alice), itemId)).to.be.equal(0);
+
+      // After transfer
+      await transferExpectSuccess(collectionId, itemId, alice, bob, 1);
+      expect(await getNextSponsored(api, collectionId, normalizeAccountId(alice), itemId)).to.be.equal(5);
+
+      // Not existing token 
+      expect(await getNextSponsored(api, collectionId, normalizeAccountId(alice), itemId+1)).to.be.equal(-1);
+    });
+  });
+
+  it('Fungible', async () => {
+    await usingApi(async (api: ApiPromise) => {
+
+      const createMode = 'Fungible';
+      const funCollectionId = await createCollectionExpectSuccess({mode: {type: createMode, decimalPoints: 0}});
+      await createItemExpectSuccess(alice, funCollectionId, createMode);
+      await setCollectionSponsorExpectSuccess(funCollectionId, bob.address);
+      await confirmSponsorshipExpectSuccess(funCollectionId, '//Bob');
+      expect(await getNextSponsored(api, funCollectionId, normalizeAccountId(alice), 0)).to.be.equal(0);
+
+      await transferExpectSuccess(funCollectionId, 0, alice, bob, 10, 'Fungible');
+      expect(await getNextSponsored(api, funCollectionId, normalizeAccountId(alice), 0)).to.be.equal(5);
+    });
+  });
+
+  it('ReFungible', async () => {
+    await usingApi(async (api: ApiPromise) => {
+
+      const createMode = 'ReFungible';
+      const refunCollectionId = await createCollectionExpectSuccess({mode: {type: createMode}});
+      const refunItemId = await createItemExpectSuccess(alice, refunCollectionId, createMode);
+      await setCollectionSponsorExpectSuccess(refunCollectionId, bob.address);
+      await confirmSponsorshipExpectSuccess(refunCollectionId, '//Bob');
+      expect(await getNextSponsored(api, refunCollectionId, normalizeAccountId(alice), refunItemId)).to.be.equal(0);
+
+      await transferExpectSuccess(refunCollectionId, refunItemId, alice, bob, 10, 'ReFungible');
+      expect(await getNextSponsored(api, refunCollectionId, normalizeAccountId(alice), refunItemId)).to.be.equal(5);
+
+      // Not existing token 
+      expect(await getNextSponsored(api, refunCollectionId, normalizeAccountId(alice), refunItemId+1)).to.be.equal(-1);
+    });
+  });
+});
modifiedtests/src/util/helpers.tsdiffbeforeafterboth
--- a/tests/src/util/helpers.ts
+++ b/tests/src/util/helpers.ts
@@ -608,6 +608,15 @@
   });
 }
 
+export async function getNextSponsored(
+  api: ApiPromise,
+  collectionId: number,
+  account: string | CrossAccountId,
+  tokenId: number,
+): Promise<number> {
+  return Number((await api.rpc.unique.nextSponsored(collectionId, account, tokenId)).unwrapOr(-1));
+}
+
 export async function toggleContractAllowlistExpectSuccess(sender: IKeyringPair, contractAddress: AccountId | string, value = true) {
   await usingApi(async (api) => {
     const tx = api.tx.unique.toggleContractAllowList(contractAddress, value);