git.delta.rocks / unique-network / refs/commits / a6f3f04785a9

--- a/pallets/nft/src/lib.rs
+++ b/pallets/nft/src/lib.rs
@@ -199,7 +199,7 @@
     }
 }
 
-#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
+#[derive(Encode, Decode, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct NftItemType<AccountId> {
     pub owner: AccountId,
@@ -213,7 +213,7 @@
     pub value: u128,
 }
 
-#[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
+#[derive(Encode, Decode, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct ReFungibleItemType<AccountId> {
     pub owner: Vec<Ownership<AccountId>>,
@@ -537,15 +537,16 @@
 
         /// Amount of items which spender can transfer out of owners account (via transferFrom)
         /// Collection id (controlled?2), (token id (controlled ?2) + owner account id (real) + spender account id (controlled?3))
+        /// TODO: Off chain worker should remove from this map when token gets removed
         pub Allowances get(fn approved): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) (TokenId, T::AccountId, T::AccountId) => u128;
 
         //#region Item collections
         /// Collection id (controlled?2), token id (controlled?1)
-        pub NftItemList get(fn nft_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => NftItemType<T::AccountId>;
+        pub NftItemList get(fn nft_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<NftItemType<T::AccountId>>;
         /// Collection id (controlled?2), owner (controlled?2)
         pub FungibleItemList get(fn fungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => FungibleItemType;
         /// Collection id (controlled?2), token id (controlled?1)
-        pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => ReFungibleItemType<T::AccountId>;
+        pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<ReFungibleItemType<T::AccountId>>;
         //#endregion
 
         //#region Index list
@@ -555,6 +556,7 @@
 
         //#region Tokens transfer rate limit baskets
         /// (Collection id (controlled?2), who created (real))
+        /// TODO: Off chain worker should remove from this map when collection gets removed
         pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => T::BlockNumber;
         /// Collection id (controlled?2), token id (controlled?2)
         pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;
@@ -570,7 +572,7 @@
       
         //#region Contract Sponsorship and Ownership
         /// Contract address (real)
-        pub ContractOwner get(fn contract_owner): map hasher(twox_64_concat) T::AccountId => T::AccountId;
+        pub ContractOwner get(fn contract_owner): map hasher(twox_64_concat) T::AccountId => Option<T::AccountId>;
         /// Contract address (real)
         pub ContractSelfSponsoring get(fn contract_self_sponsoring): map hasher(twox_64_concat) T::AccountId => bool;
         /// (Contract address(real), caller (real))
@@ -968,20 +970,17 @@
             let sender = ensure_signed(origin)?;
             let collection = Self::get_collection(collection_id)?;
             Self::check_owner_or_admin_permissions(&collection, sender)?;
-            let mut admin_arr: Vec<T::AccountId> = Vec::new();
+            let mut admin_arr = <AdminList<T>>::get(collection_id);
 
-            if <AdminList<T>>::contains_key(collection_id)
-            {
-                admin_arr = <AdminList<T>>::get(collection_id);
-                ensure!(!admin_arr.contains(&new_admin_id), Error::<T>::AlreadyAdmin);
+            match admin_arr.binary_search(&new_admin_id) {
+                Ok(_) => {},
+                Err(idx) => {
+                    let limits = ChainLimit::get();
+                    ensure!(admin_arr.len() < limits.collections_admins_limit as usize, Error::<T>::CollectionAdminsLimitExceeded);
+                    admin_arr.insert(idx, new_admin_id);
+                    <AdminList<T>>::insert(collection_id, admin_arr);
+                }
             }
-
-            // Number of collection admins
-            ensure!((admin_arr.len() as u64) < ChainLimit::get().collections_admins_limit, Error::<T>::CollectionAdminsLimitExceeded);
-
-            admin_arr.push(new_admin_id);
-            <AdminList<T>>::insert(collection_id, admin_arr);
-
             Ok(())
         }
 
@@ -1004,12 +1003,15 @@
             let sender = ensure_signed(origin)?;
             let collection = Self::get_collection(collection_id)?;
             Self::check_owner_or_admin_permissions(&collection, sender)?;
-            ensure!(<AdminList<T>>::contains_key(collection_id), Error::<T>::AdminNotFound);
-
             let mut admin_arr = <AdminList<T>>::get(collection_id);
-            admin_arr.retain(|i| *i != account_id);
-            <AdminList<T>>::insert(collection_id, admin_arr);
 
+            match admin_arr.binary_search(&account_id) {
+                Ok(idx) => {
+                    admin_arr.remove(idx);
+                    <AdminList<T>>::insert(collection_id, admin_arr);
+                },
+                Err(_) => {}
+            }
             Ok(())
         }
 
@@ -1267,7 +1269,7 @@
             let sender = ensure_signed(origin)?;
             let target_collection = Self::get_collection(collection_id)?;
 
-            Self::token_exists(&target_collection, item_id, &sender)?;
+            Self::token_exists(&target_collection, item_id)?;
 
             // Transfer permissions check
             let bypasses_limits = target_collection.limits.owner_can_transfer &&
@@ -1419,7 +1421,7 @@
             let sender = ensure_signed(origin)?;
             
             let target_collection = Self::get_collection(collection_id)?;
-            Self::token_exists(&target_collection, item_id, &sender)?;
+            Self::token_exists(&target_collection, item_id)?;
 
             ensure!(ChainLimit::get().custom_data_limit >= data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);
 
@@ -1668,7 +1670,11 @@
             <ContractOwner<T>>::insert(contract_address.clone(), sender.clone());
 
             Self::ensure_contract_owned(sender, &contract_address)?;
-            <ContractWhiteListEnabled<T>>::insert(contract_address, enable);
+            if enable {
+                <ContractWhiteListEnabled<T>>::insert(contract_address, true);
+            } else {
+                <ContractWhiteListEnabled<T>>::remove(contract_address);
+            }
             Ok(())
         }
         
@@ -1901,14 +1907,11 @@
         let collection_id = collection.id;
 
         // Does new owner already have an account?
-        let mut balance: u128 = 0;
-        if <FungibleItemList<T>>::contains_key(collection_id, owner) {
-            balance = <FungibleItemList<T>>::get(collection_id, owner).value;
-        } 
+        let balance: u128 = <FungibleItemList<T>>::get(collection_id, owner).value;
 
         // Mint 
         let item = FungibleItemType {
-            value: balance + value
+            value: balance.checked_add(value).ok_or(Error::<T>::NumOverflow)?,
         };
         <FungibleItemList<T>>::insert(collection_id, (*owner).clone(), item);
 
@@ -1984,11 +1987,8 @@
     ) -> DispatchResult {
         let collection_id = collection.id;
 
-        ensure!(
-            <ReFungibleItemList<T>>::contains_key(collection_id, item_id),
-            Error::<T>::TokenNotFound
-        );
-        let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id);
+        let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id)
+            .ok_or(Error::<T>::TokenNotFound)?;
         let rft_balance = token
             .owner
             .iter()
@@ -2026,11 +2026,8 @@
     fn burn_nft_item(collection: &CollectionHandle<T>, item_id: TokenId) -> DispatchResult {
         let collection_id = collection.id;
 
-        ensure!(
-            <NftItemList<T>>::contains_key(collection_id, item_id),
-            Error::<T>::TokenNotFound
-        );
-        let item = <NftItemList<T>>::get(collection_id, item_id);
+        let item = <NftItemList<T>>::get(collection_id, item_id)
+            .ok_or(Error::<T>::TokenNotFound)?;
         Self::remove_token_index(collection_id, item_id, &item.owner)?;
 
         // update balance
@@ -2047,10 +2044,6 @@
     fn burn_fungible_item(owner: &T::AccountId, collection: &CollectionHandle<T>, value: u128) -> DispatchResult {
         let collection_id = collection.id;
 
-        ensure!(
-            <FungibleItemList<T>>::contains_key(collection_id, owner),
-            Error::<T>::TokenNotFound
-        );
         let mut balance = <FungibleItemList<T>>::get(collection_id, owner);
         ensure!(balance.value >= value, Error::<T>::TokenValueNotEnough);
 
@@ -2094,28 +2087,15 @@
     }
 
     fn is_owner_or_admin_permissions(collection: &CollectionHandle<T>, subject: T::AccountId) -> bool {
-        let mut result: bool = subject == collection.owner;
-        let exists = <AdminList<T>>::contains_key(collection.id);
-
-        if !result & exists {
-            if <AdminList<T>>::get(collection.id).contains(&subject) {
-                result = true
-            }
-        }
-
-        result
+        subject == collection.owner || <AdminList<T>>::get(collection.id).contains(&subject)
     }
 
     fn check_owner_or_admin_permissions(
         collection: &CollectionHandle<T>,
         subject: T::AccountId,
     ) -> DispatchResult {
-        let result = Self::is_owner_or_admin_permissions(collection, subject.clone());
+        ensure!(Self::is_owner_or_admin_permissions(collection, subject), Error::<T>::NoPermission);
 
-        ensure!(
-            result,
-            Error::<T>::NoPermission
-        );
         Ok(())
     }
 
@@ -2127,20 +2107,11 @@
         let collection_id = target_collection.id;
 
         match target_collection.mode {
-            CollectionMode::NFT => {
-                if <NftItemList<T>>::get(collection_id, item_id).owner == subject {
-                    return Some(1)
-                }
-                None
-            },
-            CollectionMode::Fungible(_) => {
-                if <FungibleItemList<T>>::contains_key(collection_id, &subject) {
-                    return Some(<FungibleItemList<T>>::get(collection_id, &subject)
-                        .value);
-                }
-                None
-            },
-            CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)
+            CollectionMode::NFT => (<NftItemList<T>>::get(collection_id, item_id)?.owner == subject)
+                .then(|| 1),
+            CollectionMode::Fungible(_) => Some(<FungibleItemList<T>>::get(collection_id, &subject)
+                .value),
+            CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)?
                 .owner
                 .iter()
                 .find(|i| i.owner == subject)
@@ -2150,22 +2121,9 @@
     }
 
     fn is_item_owner(subject: T::AccountId, target_collection: &CollectionHandle<T>, item_id: TokenId) -> bool {
-        let collection_id = target_collection.id;
-
         match target_collection.mode {
-            CollectionMode::NFT => {
-                <NftItemList<T>>::get(collection_id, item_id).owner == subject
-            }
-            CollectionMode::Fungible(_) => {
-                <FungibleItemList<T>>::contains_key(collection_id, &subject)
-            }
-            CollectionMode::ReFungible => {
-                <ReFungibleItemList<T>>::get(collection_id, item_id)
-                    .owner
-                    .iter()
-                    .any(|i| i.owner == subject)
-            }
-            CollectionMode::Invalid => false,
+            CollectionMode::Fungible(_) => true,
+            _ => Self::owned_amount(subject, target_collection, item_id).is_some(),
         }
     }
 
@@ -2183,13 +2141,12 @@
     fn token_exists(
         target_collection: &CollectionHandle<T>,
         item_id: TokenId,
-        owner: &T::AccountId
     ) -> DispatchResult {
         let collection_id = target_collection.id;
         let exists = match target_collection.mode
         {
             CollectionMode::NFT => <NftItemList<T>>::contains_key(collection_id, item_id),
-            CollectionMode::Fungible(_)  => <FungibleItemList<T>>::contains_key(collection_id, owner),
+            CollectionMode::Fungible(_)  => true,
             CollectionMode::ReFungible  => <ReFungibleItemList<T>>::contains_key(collection_id, item_id),
             _ => false
         };
@@ -2205,7 +2162,6 @@
         recipient: &T::AccountId,
     ) -> DispatchResult {
         let collection_id = collection.id;
-        Self::token_exists(&collection, 0, owner)?;
 
         let mut balance = <FungibleItemList<T>>::get(collection_id, owner);
         ensure!(balance.value >= value, Error::<T>::TokenValueTooLow);
@@ -2236,9 +2192,9 @@
         new_owner: T::AccountId,
     ) -> DispatchResult {
         let collection_id = collection.id;
-        Self::token_exists(collection, item_id, &owner)?;
+        let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id)
+            .ok_or(Error::<T>::TokenNotFound)?;
 
-        let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id);
         let item = full_item
             .owner
             .iter()
@@ -2318,10 +2274,9 @@
         new_owner: T::AccountId,
     ) -> DispatchResult {
         let collection_id = collection.id;
-        Self::token_exists(&collection, item_id, &sender)?;
+        let mut item = <NftItemList<T>>::get(collection_id, item_id)
+            .ok_or(Error::<T>::TokenNotFound)?;
 
-        let mut item = <NftItemList<T>>::get(collection_id, item_id);
-
         ensure!(
             sender == item.owner,
             Error::<T>::MustBeTokenOwner
@@ -2355,7 +2310,8 @@
         data: Vec<u8>
     ) -> DispatchResult {
         let collection_id = collection.id;
-        let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id);
+        let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id)
+            .ok_or(Error::<T>::TokenNotFound)?;
 
         item.variable_data = data;
 
@@ -2370,7 +2326,8 @@
         data: Vec<u8>
     ) -> DispatchResult {
         let collection_id = collection.id;
-        let mut item = <NftItemList<T>>::get(collection_id, item_id);
+        let mut item = <NftItemList<T>>::get(collection_id, item_id)
+            .ok_or(Error::<T>::TokenNotFound)?;
         
         item.variable_data = data;
 
@@ -2533,12 +2490,7 @@
     }
     
     fn ensure_contract_owned(account: T::AccountId, contract: &T::AccountId) -> DispatchResult {
-        if <ContractOwner<T>>::contains_key(contract.clone()) {
-            let owner = <ContractOwner<T>>::get(contract);
-            ensure!(account == owner, Error::<T>::NoPermission);
-        } else {
-            fail!(Error::<T>::NoPermission);
-        }
+        ensure!(<ContractOwner<T>>::get(contract) == Some(account), Error::<T>::NoPermission);
 
         Ok(())
     }
@@ -2787,9 +2739,8 @@
 
                 let called_contract: T::AccountId = T::Lookup::lookup((*dest).clone()).unwrap_or(T::AccountId::default());
 
-                let owned_contract = <ContractOwner<T>>::contains_key(called_contract.clone())
-                  && <ContractOwner<T>>::get(called_contract.clone()) == *who;
-                let white_list_enabled = <ContractWhiteListEnabled<T>>::contains_key(called_contract.clone()) && <ContractWhiteListEnabled<T>>::get(called_contract.clone());
+                let owned_contract = <ContractOwner<T>>::get(called_contract.clone()).as_ref() == Some(who);
+                let white_list_enabled = <ContractWhiteListEnabled<T>>::contains_key(called_contract.clone());
                   
                 if !owned_contract && white_list_enabled {
                     if !<ContractWhiteList<T>>::contains_key(called_contract.clone(), who) {

--- a/tests/package.json
+++ b/tests/package.json
@@ -32,6 +32,7 @@
     "testRemoveFromWhiteList": "mocha --timeout 9999999 -r ts-node/register ./**/removeFromWhiteList.test.ts",
     "testConnection": "mocha --timeout 9999999 -r ts-node/register ./**/connection.test.ts",
     "testCollection": "mocha --timeout 9999999 -r ts-node/register ./**/createCollection.test.ts",
+    "testContracts": "mocha --timeout 9999999 -r ts-node/register ./**/contracts.test.ts",
     "testCreateItem": "mocha --timeout 9999999 -r ts-node/register ./**/createItem.test.ts",
     "testCreateMultipleItems": "mocha --timeout 9999999 -r ts-node/register ./**/createMultipleItems.test.ts",
     "testApprove": "mocha --timeout 9999999 -r ts-node/register ./**/approve.test.ts",
@@ -44,6 +45,7 @@
     "testSetMintPermission": "mocha --timeout 9999999 -r ts-node/register ./**/setMintPermission.test.ts",
     "testCreditFeesToTreasury": "mocha --timeout 9999999 -r ts-node/register ./**/creditFeesToTreasury.test.ts",
     "testEnableContractSponsoring": "mocha --timeout 9999999 -r ts-node/register ./**/enableContractSponsoring.test.ts",
+    "testRemoveFromContractWhiteList": "mocha --timeout 9999999 -r ts-node/register ./**/removeFromContractWhiteList.test.ts",
     "testSetContractSponsoringRateLimit": "mocha --timeout 9999999 -r ts-node/register ./**/setContractSponsoringRateLimit.test.ts",
     "testSetOffchainSchema": "mocha --timeout 9999999 -r ts-node/register ./**/setOffchainSchema.test.ts",
     "testOverflow": "mocha --timeout 9999999 -r ts-node/register ./**/overflow.test.ts",

--- a/tests/src/approve.test.ts
+++ b/tests/src/approve.test.ts
@@ -123,9 +123,6 @@
     // nft
     const nftCollectionId = await createCollectionExpectSuccess();
     await approveExpectFail(nftCollectionId, 2, Alice, Bob);
-    // fungible
-    const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
-    await approveExpectFail(fungibleCollectionId, 2, Alice, Bob);
     // reFungible
     const reFungibleCollectionId =
       await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});

--- a/tests/src/contracts.test.ts
+++ b/tests/src/contracts.test.ts
@@ -63,13 +63,13 @@
       const collectionId = await createCollectionExpectSuccess();
       const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');
       const [contract, deployer] = await deployTransferContract(api);
-      const tokenBefore: any = await api.query.nft.nftItemList(collectionId, tokenId);
+      const tokenBefore: any = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap();
       
       // Transfer
       const transferTx = contract.tx.transfer(value, gasLimit, bob.address, collectionId, tokenId, 1);
       const events = await submitTransactionAsync(alice, transferTx);
       const result = getGenericResult(events);
-      const tokenAfter: any = await api.query.nft.nftItemList(collectionId, tokenId);
+      const tokenAfter: any = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap();
 
       // tslint:disable-next-line:no-unused-expression
       expect(result.success).to.be.true;

--- a/tests/src/createMultipleItems.test.ts
+++ b/tests/src/createMultipleItems.test.ts
@@ -38,9 +38,9 @@
       await submitTransactionAsync(Alice, createMultipleItemsTx);
       const itemsListIndexAfter = await api.query.nft.itemListIndex(collectionId) as unknown as BN;
       expect(itemsListIndexAfter.toNumber()).to.be.equal(3);
-      const token1Data = await api.query.nft.nftItemList(collectionId, 1) as unknown as ITokenDataType;
-      const token2Data = await api.query.nft.nftItemList(collectionId, 2) as unknown as ITokenDataType;
-      const token3Data = await api.query.nft.nftItemList(collectionId, 3) as unknown as ITokenDataType;
+      const token1Data = (await api.query.nft.nftItemList(collectionId, 1)).toJSON() as unknown as ITokenDataType;
+      const token2Data = (await api.query.nft.nftItemList(collectionId, 2)).toJSON() as unknown as ITokenDataType;
+      const token3Data = (await api.query.nft.nftItemList(collectionId, 3)).toJSON() as unknown as ITokenDataType;
 
       expect(token1Data.Owner.toString()).to.be.equal(Alice.address);
       expect(token2Data.Owner.toString()).to.be.equal(Alice.address);
@@ -72,9 +72,9 @@
       await submitTransactionAsync(Alice, createMultipleItemsTx);
       const itemsListIndexAfter = await api.query.nft.itemListIndex(collectionId) as unknown as BN;
       expect(itemsListIndexAfter.toNumber()).to.be.equal(3);
-      const token1Data = await api.query.nft.reFungibleItemList(collectionId, 1) as unknown as IReFungibleTokenDataType;
-      const token2Data = await api.query.nft.reFungibleItemList(collectionId, 2) as unknown as IReFungibleTokenDataType;
-      const token3Data = await api.query.nft.reFungibleItemList(collectionId, 3) as unknown as IReFungibleTokenDataType;
+      const token1Data = (await api.query.nft.reFungibleItemList(collectionId, 1) as any).unwrap() as unknown as IReFungibleTokenDataType;
+      const token2Data = (await api.query.nft.reFungibleItemList(collectionId, 2) as any).unwrap() as unknown as IReFungibleTokenDataType;
+      const token3Data = (await api.query.nft.reFungibleItemList(collectionId, 3) as any).unwrap() as unknown as IReFungibleTokenDataType;
 
       expect(token1Data.Owner[0].Owner.toString()).to.be.equal(Alice.address);
       expect(token1Data.Owner[0].Fraction.toNumber()).to.be.equal(1);

--- a/tests/src/removeCollectionAdmin.test.ts
+++ b/tests/src/removeCollectionAdmin.test.ts
@@ -36,6 +36,19 @@
       expect(adminListAfterRemoveAdmin).not.to.be.contains(Bob.address);
     });
   });
+
+  it('Remove admin from collection that has no admins', async () => {
+    await usingApi(async (api: ApiPromise) => {
+      const Alice = privateKey('//Alice');
+      const collectionId = await createCollectionExpectSuccess();
+
+      const adminListBeforeAddAdmin: any = (await api.query.nft.adminList(collectionId));
+      expect(adminListBeforeAddAdmin).to.have.lengthOf(0);
+
+      const tx = api.tx.nft.removeCollectionAdmin(collectionId, Alice.address);
+      await submitTransactionAsync(Alice, tx);
+    });
+  });
 });
 
 describe('Negative Integration Test removeCollectionAdmin(collection_id, account_id):', () => {
@@ -68,19 +81,6 @@
 
       // Verifying that nothing bad happened (network is live, new collections can be created, etc.)
       await createCollectionExpectSuccess();
-    });
-  });
-
-  it('Remove admin from collection that has no admins', async () => {
-    await usingApi(async (api: ApiPromise) => {
-      const Alice = privateKey('//Alice');
-      const collectionId = await createCollectionExpectSuccess();
-
-      const adminListBeforeAddAdmin: any = (await api.query.nft.adminList(collectionId));
-      expect(adminListBeforeAddAdmin).to.have.lengthOf(0);
-
-      const tx = api.tx.nft.removeCollectionAdmin(collectionId, Alice.address);
-      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
     });
   });
 });

--- a/tests/src/removeFromContractWhiteList.test.ts
+++ b/tests/src/removeFromContractWhiteList.test.ts
@@ -13,8 +13,10 @@
 describe('Integration Test removeFromContractWhiteList', () => {
     let bob: IKeyringPair;
 
-    before(() => {
-        bob = privateKey('//Bob');
+    before(async () => {
+        await usingApi(async () => {
+            bob = privateKey('//Bob');
+        });
     });
 
     it('user is no longer whitelisted after removal', async () => {
@@ -56,9 +58,11 @@
     let alice: IKeyringPair;
     let bob: IKeyringPair;
 
-    before(() => {
-        alice = privateKey('//Alice');
-        bob = privateKey('//Bob');
+    before(async () => {
+        await usingApi(async () => {
+            alice = privateKey('//Alice');
+            bob = privateKey('//Bob');
+        });
     });
 
     it('fails when called with non-contract address', async () => {

--- a/tests/src/setVariableMetaData.test.ts
+++ b/tests/src/setVariableMetaData.test.ts
@@ -41,7 +41,7 @@
 
   it('verify data was set', async () => {
     await usingApi(async api => {
-      const item: any = await api.query.nft.nftItemList(collectionId, tokenId);
+      const item: any = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap();
 
       expect(Array.from(item.VariableData)).to.deep.equal(Array.from(data));
     });

--- a/tests/src/transferFrom.test.ts
+++ b/tests/src/transferFrom.test.ts
@@ -237,7 +237,7 @@
       const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
       const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
       await burnItemExpectSuccess(Alice, fungibleCollectionId, 1, 10);
-      await approveExpectFail(fungibleCollectionId, newFungibleTokenId, Alice, Bob);
+      await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob);
       await transferFromExpectFail(fungibleCollectionId, newFungibleTokenId, Bob, Alice, Charlie, 1);
           
     });

--- a/tests/src/util/helpers.ts
+++ b/tests/src/util/helpers.ts
@@ -599,8 +599,7 @@
     // tslint:disable-next-line:no-unused-expression
     expect(result.success).to.be.true;
     // tslint:disable-next-line:no-unused-expression
-    expect(item).to.be.not.null;
-    expect(item.Owner).to.be.equal(nullPublicKey);
+    expect(item).to.be.null;
   });
 }
 
@@ -641,16 +640,16 @@
     // tslint:disable-next-line:no-unused-expression
     expect(result.success).to.be.true;
     if (type === 'NFT') {
-      const nftItemData = await api.query.nft.nftItemList(collectionId, tokenId) as unknown as ITokenDataType;
+      const nftItemData = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap() as ITokenDataType;
       expect(nftItemData.Owner.toString()).to.be.equal(accountTo.address);
     }
     if (type === 'Fungible') {
-      const balanceAfter = await api.query.nft.balance(collectionId, accountTo.address) as unknown as BN;
+      const balanceAfter = (await api.query.nft.fungibleItemList(collectionId, accountTo.address) as any).Value as unknown as BN;
       expect(balanceAfter.sub(balanceBefore).toString()).to.be.equal(value.toString());
     }
     if (type === 'ReFungible') {
       const nftItemData =
-        await api.query.nft.reFungibleItemList(collectionId, tokenId) as unknown as IReFungibleTokenDataType;
+        (await api.query.nft.reFungibleItemList(collectionId, tokenId) as any).unwrap() as IReFungibleTokenDataType;
       expect(nftItemData.Owner[0].Owner.toString()).to.be.equal(accountTo.address);
       expect(nftItemData.Owner[0].Fraction.toNumber()).to.be.equal(value);
     }
@@ -697,18 +696,18 @@
     expect(result.recipient).to.be.equal(recipient.address);
     expect(result.value.toString()).to.be.equal(value.toString());
     if (type === 'NFT') {
-      const nftItemData = await api.query.nft.nftItemList(collectionId, tokenId) as unknown as ITokenDataType;
+      const nftItemData = (await api.query.nft.nftItemList(collectionId, tokenId)).toJSON() as unknown as ITokenDataType;
       expect(nftItemData.Owner.toString()).to.be.equal(recipient.address);
     }
     if (type === 'Fungible') {
-      const balanceAfter = await api.query.nft.balance(collectionId, recipient.address) as unknown as BN;
+      const balanceAfter = (await api.query.nft.fungibleItemList(collectionId, recipient.address) as any).Value as unknown as BN;
       expect(balanceAfter.sub(balanceBefore).toString()).to.be.equal(value.toString());
     }
     if (type === 'ReFungible') {
       const nftItemData =
-        await api.query.nft.reFungibleItemList(collectionId, tokenId) as unknown as IReFungibleTokenDataType;
+        (await api.query.nft.reFungibleItemList(collectionId, tokenId)).toJSON() as unknown as IReFungibleTokenDataType;
       expect(nftItemData.Owner[0].Owner.toString()).to.be.equal(recipient.address);
-      expect(nftItemData.Owner[0].Fraction.toNumber()).to.be.equal(value);
+      expect(nftItemData.Owner[0].Fraction.toString()).to.be.equal(value.toString());
     }
   });
 }