git.delta.rocks / unique-network / refs/commits / edc6ac8eb230

difftreelog

Merge pull request #607 from UniqueNetwork/tests/nesting

ut-akuznetsov2022-09-27parents: #644729e #77e366b.patch.diff
in: master

11 files changed

modifiedtests/src/eth/util/playgrounds/index.tsdiffbeforeafterboth
--- a/tests/src/eth/util/playgrounds/index.ts
+++ b/tests/src/eth/util/playgrounds/index.ts
@@ -12,7 +12,7 @@
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { requirePalletsOrSkip } from '../../../util/playgrounds';
+import {requirePalletsOrSkip} from '../../../util/playgrounds';
 chai.use(chaiAsPromised);
 export const expect = chai.expect;
 
modifiedtests/src/eth/util/playgrounds/unique.dev.tsdiffbeforeafterboth
--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -240,7 +240,7 @@
   }
 
   fromTokenId(collectionId: number, tokenId: number): string  {
-    return this.helper.util.getNestingTokenAddress(collectionId, tokenId);
+    return this.helper.util.getTokenAddress({collectionId, tokenId});
   }
 
   normalizeAddress(address: string): string {
modifiedtests/src/nesting/graphs.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/graphs.test.ts
+++ b/tests/src/nesting/graphs.test.ts
@@ -1,9 +1,22 @@
-import {ApiPromise} from '@polkadot/api';
+// 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 {IKeyringPair} from '@polkadot/types/types';
-import {expect} from 'chai';
-import {tokenIdToCross} from '../eth/util/helpers';
-import usingApi, {executeTransaction} from '../substrate/substrate-api';
-import {getCreateCollectionResult, transferExpectSuccess, setCollectionLimitsExpectSuccess} from '../util/helpers';
+import {expect, itSub, usingPlaygrounds} from '../util/playgrounds';
+import {UniqueHelper, UniqueNFToken} from '../util/playgrounds/unique';
 
 /**
  * ```dot
@@ -12,46 +25,47 @@
  * 8 -> 5
  * ```
  */
-async function buildComplexObjectGraph(api: ApiPromise, sender: IKeyringPair): Promise<number> {
-  const events = await executeTransaction(api, sender, api.tx.unique.createCollectionEx({mode: 'NFT', permissions: {nesting: {tokenOwner: true}}}));
-  const {collectionId} = getCreateCollectionResult(events);
+async function buildComplexObjectGraph(helper: UniqueHelper, sender: IKeyringPair): Promise<UniqueNFToken[]> {
+  const collection = await helper.nft.mintCollection(sender, {permissions: {nesting: {tokenOwner: true}}});
+  const tokens = await collection.mintMultipleTokens(sender, Array(8).fill({owner: {Substrate: sender.address}}));
 
-  await executeTransaction(api, sender, api.tx.unique.createMultipleItemsEx(collectionId, {NFT: Array(8).fill({owner: {Substrate: sender.address}})}));
-
-  await transferExpectSuccess(collectionId, 8, sender, tokenIdToCross(collectionId, 5));
-
-  await transferExpectSuccess(collectionId, 7, sender, tokenIdToCross(collectionId, 6));
-  await transferExpectSuccess(collectionId, 6, sender, tokenIdToCross(collectionId, 5));
-  await transferExpectSuccess(collectionId, 5, sender, tokenIdToCross(collectionId, 2));
+  await tokens[7].nest(sender, tokens[4]);
+  await tokens[6].nest(sender, tokens[5]);
+  await tokens[5].nest(sender, tokens[4]);
+  await tokens[4].nest(sender, tokens[1]);
+  await tokens[3].nest(sender, tokens[2]);
+  await tokens[2].nest(sender, tokens[1]);
+  await tokens[1].nest(sender, tokens[0]);
 
-  await transferExpectSuccess(collectionId, 4, sender, tokenIdToCross(collectionId, 3));
-  await transferExpectSuccess(collectionId, 3, sender, tokenIdToCross(collectionId, 2));
-  await transferExpectSuccess(collectionId, 2, sender, tokenIdToCross(collectionId, 1));
-
-  return collectionId;
+  return tokens;
 }
 
 describe('Graphs', () => {
-  it('Ouroboros can\'t be created in a complex graph', async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      const alice = privateKeyWrapper('//Alice');
-      const collection = await buildComplexObjectGraph(api, alice);
-      const tokenTwoParent = tokenIdToCross(collection, 1);
+  let alice: IKeyringPair;
 
-      // to self
-      await expect(
-        executeTransaction(api, alice, api.tx.unique.transfer(tokenIdToCross(collection, 1), collection, 1, 1)),
-        'first transaction',  
-      ).to.be.rejectedWith(/structure\.OuroborosDetected/);
-      // to nested part of graph
-      await expect(
-        executeTransaction(api, alice, api.tx.unique.transfer(tokenIdToCross(collection, 5), collection, 1, 1)),
-        'second transaction',
-      ).to.be.rejectedWith(/structure\.OuroborosDetected/);
-      await expect(
-        executeTransaction(api, alice, api.tx.unique.transferFrom(tokenTwoParent, tokenIdToCross(collection, 8), collection, 2, 1)),
-        'third transaction',
-      ).to.be.rejectedWith(/structure\.OuroborosDetected/);
+  before(async () => {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
+
+  itSub('Ouroboros can\'t be created in a complex graph', async ({helper}) => {
+    const tokens = await buildComplexObjectGraph(helper, alice);
+
+    // to self
+    await expect(
+      tokens[0].nest(alice, tokens[0]),
+      'first transaction',  
+    ).to.be.rejectedWith(/structure\.OuroborosDetected/);
+    // to nested part of graph
+    await expect(
+      tokens[0].nest(alice, tokens[4]),
+      'second transaction',
+    ).to.be.rejectedWith(/structure\.OuroborosDetected/);
+    await expect(
+      tokens[1].transferFrom(alice, tokens[0].nestingAccount(), tokens[7].nestingAccount()),
+      'third transaction',
+    ).to.be.rejectedWith(/structure\.OuroborosDetected/);
+  });
 });
modifiedtests/src/nesting/migration-check.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/migration-check.test.ts
+++ b/tests/src/nesting/migration-check.test.ts
@@ -8,7 +8,8 @@
 import find from 'find-process';
 
 // todo un-skip for migrations
-describe.skip('Migration testing', () => {
+// todo:playgrounds skipped, this one is outdated. Probably to be deleted/replaced.
+describe.skip('Migration testing: Properties', () => {
   let alice: IKeyringPair;
 
   before(async() => {
modifiedtests/src/nesting/nest.test.tsdiffbeforeafterboth
before · tests/src/nesting/nest.test.ts
1import {expect} from 'chai';2import {tokenIdToAddress} from '../eth/util/helpers';3import usingApi, {executeTransaction} from '../substrate/substrate-api';4import {5  addCollectionAdminExpectSuccess,6  addToAllowListExpectSuccess,7  createCollectionExpectSuccess,8  createItemExpectSuccess,9  enableAllowListExpectSuccess,10  enablePublicMintingExpectSuccess,11  getTokenChildren,12  getTokenOwner,13  getTopmostTokenOwner,14  normalizeAccountId,15  setCollectionPermissionsExpectSuccess,16  transferExpectFailure,17  transferExpectSuccess,18  transferFromExpectSuccess,19  setCollectionLimitsExpectSuccess,20  requirePallets,21  Pallets,22} from '../util/helpers';23import {IKeyringPair} from '@polkadot/types/types';2425let alice: IKeyringPair;26let bob: IKeyringPair;27let charlie: IKeyringPair;2829describe('Integration Test: Composite nesting tests', () => {30  before(async () => {31    await usingApi(async (_, privateKeyWrapper) => {32      alice = privateKeyWrapper('//Alice');33      bob = privateKeyWrapper('//Bob');34    });35  });3637  it('Performs the full suite: bundles a token, transfers, and unnests', async () => {38    await usingApi(async api => {39      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});40      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});41      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');4243      // Create a nested token44      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});45      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});46      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});4748      // Create a token to be nested49      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');5051      // Nest52      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});53      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});54      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});5556      // Move bundle to different user57      await transferExpectSuccess(collection, targetToken, alice, {Substrate: bob.address});58      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: bob.address});59      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});6061      // Unnest62      await transferFromExpectSuccess(collection, newToken, bob, {Ethereum: tokenIdToAddress(collection, targetToken)}, {Substrate: bob.address});63      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: bob.address});64    });65  });6667  it('Transfers an already bundled token', async () => {68    await usingApi(async api => {69      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});70      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});7172      const tokenA = await createItemExpectSuccess(alice, collection, 'NFT');73      const tokenB = await createItemExpectSuccess(alice, collection, 'NFT');7475      // Create a nested token76      const tokenC = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, tokenA)});77      expect(await getTopmostTokenOwner(api, collection, tokenC)).to.be.deep.equal({Substrate: alice.address});78      expect(await getTokenOwner(api, collection, tokenC)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, tokenA).toLowerCase()});7980      // Transfer the nested token to another token81      await expect(executeTransaction(82        api,83        alice,84        api.tx.unique.transferFrom(85          normalizeAccountId({Ethereum: tokenIdToAddress(collection, tokenA)}),86          normalizeAccountId({Ethereum: tokenIdToAddress(collection, tokenB)}),87          collection,88          tokenC,89          1,90        ),91      )).to.not.be.rejected;92      expect(await getTopmostTokenOwner(api, collection, tokenC)).to.be.deep.equal({Substrate: alice.address});93      expect(await getTokenOwner(api, collection, tokenC)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, tokenB).toLowerCase()});94    });95  });9697  it('Checks token children', async () => {98    await usingApi(async api => {99      const collectionA = await createCollectionExpectSuccess({mode: {type: 'NFT'}});100      await setCollectionLimitsExpectSuccess(alice, collectionA, {ownerCanTransfer: true});101      await setCollectionPermissionsExpectSuccess(alice, collectionA, {nesting: {tokenOwner: true}});102      const collectionB = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});103104      const targetToken = await createItemExpectSuccess(alice, collectionA, 'NFT');105      const targetAddress = {Ethereum: tokenIdToAddress(collectionA, targetToken)};106      let children = await getTokenChildren(api, collectionA, targetToken);107      expect(children.length).to.be.equal(0, 'Children length check at creation');108109      // Create a nested NFT token110      const tokenA = await createItemExpectSuccess(alice, collectionA, 'NFT', targetAddress);111      children = await getTokenChildren(api, collectionA, targetToken);112      expect(children.length).to.be.equal(1, 'Children length check at nesting #1');113      expect(children).to.have.deep.members([114        {token: tokenA, collection: collectionA},115      ], 'Children contents check at nesting #1');116117      // Create then nest118      const tokenB = await createItemExpectSuccess(alice, collectionA, 'NFT');119      await transferExpectSuccess(collectionA, tokenB, alice, targetAddress);120      children = await getTokenChildren(api, collectionA, targetToken);121      expect(children.length).to.be.equal(2, 'Children length check at nesting #2');122      expect(children).to.have.deep.members([123        {token: tokenA, collection: collectionA},124        {token: tokenB, collection: collectionA},125      ], 'Children contents check at nesting #2');126127      // Move token B to a different user outside the nesting tree128      await transferFromExpectSuccess(collectionA, tokenB, alice, targetAddress, bob);129      children = await getTokenChildren(api, collectionA, targetToken);130      expect(children.length).to.be.equal(1, 'Children length check at unnesting');131      expect(children).to.be.have.deep.members([132        {token: tokenA, collection: collectionA},133      ], 'Children contents check at unnesting');134135      // Create a fungible token in another collection and then nest136      const tokenC = await createItemExpectSuccess(alice, collectionB, 'Fungible');137      await transferExpectSuccess(collectionB, tokenC, alice, targetAddress, 1, 'Fungible');138      children = await getTokenChildren(api, collectionA, targetToken);139      expect(children.length).to.be.equal(2, 'Children length check at nesting #3 (from another collection)');140      expect(children).to.be.have.deep.members([141        {token: tokenA, collection: collectionA},142        {token: tokenC, collection: collectionB},143      ], 'Children contents check at nesting #3 (from another collection)');144145      // Move the fungible token inside token A deeper in the nesting tree146      await transferFromExpectSuccess(collectionB, tokenC, alice, targetAddress, {Ethereum: tokenIdToAddress(collectionA, tokenA)}, 1, 'Fungible');147      children = await getTokenChildren(api, collectionA, targetToken);148      expect(children.length).to.be.equal(1, 'Children length check at deeper nesting');149      expect(children).to.be.have.deep.members([150        {token: tokenA, collection: collectionA},151      ], 'Children contents check at deeper nesting');152    });153  });154});155156describe('Integration Test: Various token type nesting', async () => {157  before(async () => {158    await usingApi(async (_, privateKeyWrapper) => {159      alice = privateKeyWrapper('//Alice');160      bob = privateKeyWrapper('//Bob');161      charlie = privateKeyWrapper('//Charlie');162    });163  });164165  it('Admin (NFT): allows an Admin to nest a token', async () => {166    await usingApi(async api => {167      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});168      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {collectionAdmin: true}});169      await addCollectionAdminExpectSuccess(alice, collection, bob.address);170      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT', charlie.address);171172      // Create a nested token173      const nestedToken = await createItemExpectSuccess(bob, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});174      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: charlie.address});175      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});176177      // Create a token to be nested and nest178      const newToken = await createItemExpectSuccess(bob, collection, 'NFT');179      await transferExpectSuccess(collection, newToken, bob, {Ethereum: tokenIdToAddress(collection, targetToken)});180      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: charlie.address});181      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});182    });183  });184185  it('Admin (NFT): Admin and Token Owner can operate together', async () => {186    await usingApi(async api => {187      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});188      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true, collectionAdmin: true}});189      await addCollectionAdminExpectSuccess(alice, collection, bob.address);190      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT', charlie.address);191192      // Create a nested token by an administrator193      const nestedToken = await createItemExpectSuccess(bob, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});194      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: charlie.address});195      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});196197      // Create a token and allow the owner to nest too198      const newToken = await createItemExpectSuccess(alice, collection, 'NFT', charlie.address);199      await transferExpectSuccess(collection, newToken, charlie, {Ethereum: tokenIdToAddress(collection, nestedToken)});200      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: charlie.address});201      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, nestedToken).toLowerCase()});202    });203  });204205  it('Admin (NFT): allows an Admin to nest a token (Restricted nesting)', async () => {206    await usingApi(async api => {207      const collectionA = await createCollectionExpectSuccess({mode: {type: 'NFT'}});208      await addCollectionAdminExpectSuccess(alice, collectionA, bob.address);209      const collectionB = await createCollectionExpectSuccess({mode: {type: 'NFT'}});210      await addCollectionAdminExpectSuccess(alice, collectionB, bob.address);211      await setCollectionPermissionsExpectSuccess(alice, collectionA, {nesting: {collectionAdmin: true, restricted:[collectionA, collectionB]}});212      const targetToken = await createItemExpectSuccess(alice, collectionA, 'NFT', charlie.address);213214      // Create a nested token215      const nestedToken = await createItemExpectSuccess(bob, collectionB, 'NFT', {Ethereum: tokenIdToAddress(collectionA, targetToken)});216      expect(await getTopmostTokenOwner(api, collectionB, nestedToken)).to.be.deep.equal({Substrate: charlie.address});217      expect(await getTokenOwner(api, collectionB, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collectionA, targetToken).toLowerCase()});218219      // Create a token to be nested and nest220      const newToken = await createItemExpectSuccess(bob, collectionB, 'NFT');221      await transferExpectSuccess(collectionB, newToken, bob, {Ethereum: tokenIdToAddress(collectionA, targetToken)});222      expect(await getTopmostTokenOwner(api, collectionB, newToken)).to.be.deep.equal({Substrate: charlie.address});223      expect(await getTokenOwner(api, collectionB, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collectionA, targetToken).toLowerCase()});224    });225  });226227  // ---------- Non-Fungible ----------228229  it('NFT: allows an Owner to nest/unnest their token', async () => {230    await usingApi(async api => {231      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});232      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});233      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');234235      // Create a nested token236      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});237      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});238      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});239240      // Create a token to be nested and nest241      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');242      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});243      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});244      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});245    });246  });247248  it('NFT: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {249    await usingApi(async api => {250      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});251      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true, restricted:[collection]}});252      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');253254      // Create a nested token255      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});256      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});257      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});258259      // Create a token to be nested and nest260      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');261      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});262      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});263      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});264    });265  });266267  // ---------- Fungible ----------268269  it('Fungible: allows an Owner to nest/unnest their token', async () => {270    await usingApi(async api => {271      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});272      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true}});273      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});274      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};275276      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});277278      // Create a nested token279      await expect(executeTransaction(api, alice, api.tx.unique.createItem(280        collectionFT,281        targetAddress,282        {Fungible: {Value: 10}},283      ))).to.not.be.rejected;284285      // Nest a new token286      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');287      await transferExpectSuccess(collectionFT, newToken, alice, targetAddress, 1, 'Fungible');288    });289  });290291  it('Fungible: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {292    await usingApi(async api => {293      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});294      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});295      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};296297      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});298299      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true, restricted: [collectionFT]}});300301      // Create a nested token302      await expect(executeTransaction(api, alice, api.tx.unique.createItem(303        collectionFT,304        targetAddress,305        {Fungible: {Value: 10}},306      ))).to.not.be.rejected;307308      // Nest a new token309      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');310      await transferExpectSuccess(collectionFT, newToken, alice, targetAddress, 1, 'Fungible');311    });312  });313314  // ---------- Re-Fungible ----------315316  it('ReFungible: allows an Owner to nest/unnest their token', async function() {317    await requirePallets(this, [Pallets.ReFungible]);318319    await usingApi(async api => {320      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});321      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true}});322      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});323      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};324325      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});326327      // Create a nested token328      await expect(executeTransaction(api, alice, api.tx.unique.createItem(329        collectionRFT,330        targetAddress,331        {ReFungible: {pieces: 100}},332      ))).to.not.be.rejected;333334      // Nest a new token335      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');336      await transferExpectSuccess(collectionRFT, newToken, alice, targetAddress, 100, 'ReFungible');337    });338  });339340  it('ReFungible: allows an Owner to nest/unnest their token (Restricted nesting)', async function() {341    await requirePallets(this, [Pallets.ReFungible]);342343    await usingApi(async api => {344      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});345      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});346      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};347348      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});349350      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true, restricted:[collectionRFT]}});351352      // Create a nested token353      await expect(executeTransaction(api, alice, api.tx.unique.createItem(354        collectionRFT,355        targetAddress,356        {ReFungible: {pieces: 100}},357      ))).to.not.be.rejected;358359      // Nest a new token360      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');361      await transferExpectSuccess(collectionRFT, newToken, alice, targetAddress, 100, 'ReFungible');362    });363  });364});365366describe('Negative Test: Nesting', async() => {367  before(async () => {368    await usingApi(async (_, privateKeyWrapper) => {369      alice = privateKeyWrapper('//Alice');370      bob = privateKeyWrapper('//Bob');371    });372  });373374  it('Disallows excessive token nesting', async () => {375    await usingApi(async api => {376      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});377      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});378      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');379380      const maxNestingLevel = 5;381      let prevToken = targetToken;382383      // Create a nested-token matryoshka384      for (let i = 0; i < maxNestingLevel; i++) {385        const nestedToken = await createItemExpectSuccess(386          alice,387          collection,388          'NFT',389          {Ethereum: tokenIdToAddress(collection, prevToken)},390        );391392        prevToken = nestedToken;393      }394395      // The nesting depth is limited by `maxNestingLevel`396      await expect(executeTransaction(api, alice, api.tx.unique.createItem(397        collection,398        {Ethereum: tokenIdToAddress(collection, prevToken)},399          {nft: {}} as any,400      )), 'while creating nested token').to.be.rejectedWith(/^structure\.DepthLimit$/);401402      expect(await getTopmostTokenOwner(api, collection, prevToken)).to.be.deep.equal({Substrate: alice.address});403    });404  });405406  // ---------- Admin ------------407408  it('Admin (NFT): disallows an Admin to operate nesting when only TokenOwner is allowed', async () => {409    await usingApi(async api => {410      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});411      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});412      await addCollectionAdminExpectSuccess(alice, collection, bob.address);413      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');414415      // Try to create a nested token as collection admin when it's disallowed416      await expect(executeTransaction(api, bob, api.tx.unique.createItem(417        collection,418        {Ethereum: tokenIdToAddress(collection, targetToken)},419          {nft: {}} as any,420      )), 'while creating nested token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);421422      // Try to create and nest a token in the wrong collection423      const newToken = await createItemExpectSuccess(bob, collection, 'NFT');424      await expect(executeTransaction(425        api, 426        bob, 427        api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1),428      ), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);429      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: bob.address});430    });431  });432433  it('Admin (NFT): disallows a Token Owner to operate nesting when only Admin is allowed', async () => {434    await usingApi(async api => {435      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});436      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {collectionAdmin: true}});437      await addToAllowListExpectSuccess(alice, collection, bob.address);438      await enableAllowListExpectSuccess(alice, collection);439      await enablePublicMintingExpectSuccess(alice, collection);440      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');441442      // Try to create a nested token as collection admin when it's disallowed443      await expect(executeTransaction(api, bob, api.tx.unique.createItem(444        collection,445        {Ethereum: tokenIdToAddress(collection, targetToken)},446          {nft: {}} as any,447      )), 'while creating nested token').to.be.rejectedWith(/common\.AddressNotInAllowlist/); 448449      // Try to create and nest a token in the wrong collection450      const newToken = await createItemExpectSuccess(bob, collection, 'NFT');451      await expect(executeTransaction(452        api, 453        bob, 454        api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1),455      ), 'while nesting new token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);456      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: bob.address});457    });458  });459460  it('Admin (NFT): disallows an Admin to nest and unnest someone else\'s token', async () => {461    await usingApi(async api => {462      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});463      await setCollectionLimitsExpectSuccess(alice, collection, {ownerCanTransfer: true});464      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {collectionAdmin: true}});465466      await addToAllowListExpectSuccess(alice, collection, bob.address);467      await enableAllowListExpectSuccess(alice, collection);468      await enablePublicMintingExpectSuccess(alice, collection);469470      // Create a token to attempt to be nested into471      const targetToken = await createItemExpectSuccess(bob, collection, 'NFT');472      const targetAddress = {Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()};473474      // Try to nest somebody else's token475      const newToken = await createItemExpectSuccess(bob, collection, 'NFT');476      await expect(executeTransaction(477        api, 478        alice, 479        api.tx.unique.transferFrom(targetAddress, {Substrate: bob.address}, collection, newToken, 1),480      ), 'while nesting another\'s token token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);481      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: bob.address});482483      // Nest a token as admin and try to unnest it, now belonging to someone else484      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', targetAddress);485      await expect(executeTransaction(486        api, 487        alice, 488        api.tx.unique.transferFrom(targetAddress, normalizeAccountId(alice), collection, nestedToken, 1),489      ), 'while unnesting another\'s token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);490      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal(targetAddress);491      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: bob.address});492    });493  });494495  it('Admin (NFT): disallows an Admin to nest a token from an unlisted collection (Restricted nesting)', async () => {496    await usingApi(async api => {497      const collectionA = await createCollectionExpectSuccess({mode: {type: 'NFT'}});498      const collectionB = await createCollectionExpectSuccess({mode: {type: 'NFT'}});499      await setCollectionPermissionsExpectSuccess(alice, collectionA, {nesting: {collectionAdmin: true, restricted:[collectionA]}});500501      // Create a token to attempt to be nested into502      const targetToken = await createItemExpectSuccess(alice, collectionA, 'NFT');503504      // Try to create and nest a token in the wrong collection505      const newToken = await createItemExpectSuccess(alice, collectionB, 'NFT');506      await expect(executeTransaction(507        api, 508        alice, 509        api.tx.unique.transfer({Ethereum: tokenIdToAddress(collectionA, targetToken)}, collectionB, newToken, 1),510      ), 'while nesting a foreign token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);511      expect(await getTokenOwner(api, collectionB, newToken)).to.be.deep.equal({Substrate: alice.address});512    });513  });514515  // ---------- Non-Fungible ----------516517  it('NFT: disallows to nest token if nesting is disabled', async () => {518    await usingApi(async api => {519      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});520      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {}});521      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');522523      // Try to create a nested token524      await expect(executeTransaction(api, alice, api.tx.unique.createItem(525        collection,526        {Ethereum: tokenIdToAddress(collection, targetToken)},527          {nft: {}} as any,528      )), 'while creating nested token').to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);529530      // Create a token to be nested531      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');532      // Try to nest533      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);534      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});535      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});536    });537  });538539  it('NFT: disallows a non-Owner to nest someone else\'s token', async () => {540    await usingApi(async api => {541      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});542      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});543544      await addToAllowListExpectSuccess(alice, collection, bob.address);545      await enableAllowListExpectSuccess(alice, collection);546      await enablePublicMintingExpectSuccess(alice, collection);547548      // Create a token to attempt to be nested into549      const targetToken = await createItemExpectSuccess(bob, collection, 'NFT');550551      // Try to create a nested token in the wrong collection552      await expect(executeTransaction(api, alice, api.tx.unique.createItem(553        collection,554        {Ethereum: tokenIdToAddress(collection, targetToken)},555          {nft: {}} as any,556      )), 'while creating nested token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);557558      // Try to create and nest a token in the wrong collection559      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');560      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);561      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});562    });563  });564565  it('NFT: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {566    await usingApi(async api => {567      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});568      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true, restricted:[collection]}});569570      await addToAllowListExpectSuccess(alice, collection, bob.address);571      await enableAllowListExpectSuccess(alice, collection);572      await enablePublicMintingExpectSuccess(alice, collection);573574      // Create a token to attempt to be nested into575      const targetToken = await createItemExpectSuccess(bob, collection, 'NFT');576577      // Try to create a nested token in the wrong collection578      await expect(executeTransaction(api, alice, api.tx.unique.createItem(579        collection,580        {Ethereum: tokenIdToAddress(collection, targetToken)},581          {nft: {}} as any,582      )), 'while creating nested token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);583584      // Try to create and nest a token in the wrong collection585      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');586      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);587      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});588    });589  });590591  it('NFT: disallows to nest token in an unlisted collection', async () => {592    await usingApi(async api => {593      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});594      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true, restricted:[]}});595596      // Create a token to attempt to be nested into597      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');598599      // Try to create a nested token in the wrong collection600      await expect(executeTransaction(api, alice, api.tx.unique.createItem(601        collection,602        {Ethereum: tokenIdToAddress(collection, targetToken)},603          {nft: {}} as any,604      )), 'while creating nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);605606      // Try to create and nest a token in the wrong collection607      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');608      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);609      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});610    });611  });612613  // ---------- Fungible ----------614615  it('Fungible: disallows to nest token if nesting is disabled', async () => {616    await usingApi(async api => {617      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});618      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {}});619      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');620      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};621622      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});623624      // Try to create a nested token625      await expect(executeTransaction(api, alice, api.tx.unique.createItem(626        collectionFT,627        targetAddress,628        {Fungible: {Value: 10}},629      )), 'while creating nested token').to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);630631      // Create a token to be nested632      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');633      // Try to nest634      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);635636      // Create another token to be nested637      const newToken2 = await createItemExpectSuccess(alice, collectionFT, 'Fungible');638      // Try to nest inside a fungible token639      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collectionFT, newToken)}, collectionFT, newToken2, 1)), 'while nesting new token inside fungible').to.be.rejectedWith(/fungible\.FungibleDisallowsNesting/);640    });641  });642643  it('Fungible: disallows a non-Owner to nest someone else\'s token', async () => {644    await usingApi(async api => {645      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});646      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true}});647648      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);649      await enableAllowListExpectSuccess(alice, collectionNFT);650      await enablePublicMintingExpectSuccess(alice, collectionNFT);651652      // Create a token to attempt to be nested into653      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');654      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};655656      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});657658      // Try to create a nested token in the wrong collection659      await expect(executeTransaction(api, alice, api.tx.unique.createItem(660        collectionFT,661        targetAddress,662        {Fungible: {Value: 10}},663      )), 'while creating nested token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);664665      // Try to create and nest a token in the wrong collection666      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');667      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);668    });669  });670671  it('Fungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {672    await usingApi(async api => {673      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});674      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);675      await enableAllowListExpectSuccess(alice, collectionNFT);676      await enablePublicMintingExpectSuccess(alice, collectionNFT);677678      // Create a token to attempt to be nested into679      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');680      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};681682      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});683      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true, restricted:[collectionFT]}});684685      // Try to create a nested token in the wrong collection686      await expect(executeTransaction(api, alice, api.tx.unique.createItem(687        collectionFT,688        targetAddress,689        {Fungible: {Value: 10}},690      )), 'while creating nested token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);691692      // Try to create and nest a token in the wrong collection693      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');694      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);695    });696  });697698  it('Fungible: disallows to nest token in an unlisted collection', async () => {699    await usingApi(async api => {700      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});701      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true, restricted:[]}});702703      // Create a token to attempt to be nested into704      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');705      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};706707      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});708709      // Try to create a nested token in the wrong collection710      await expect(executeTransaction(api, alice, api.tx.unique.createItem(711        collectionFT,712        targetAddress,713        {Fungible: {Value: 10}},714      )), 'while creating a nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);715716      // Try to create and nest a token in the wrong collection717      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');718      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);719    });720  });721722  // ---------- Re-Fungible ----------723724  it('ReFungible: disallows to nest token if nesting is disabled', async function() {725    await requirePallets(this, [Pallets.ReFungible]);726727    await usingApi(async api => {728      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});729      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {}});730      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');731      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};732733      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});734735      // Create a nested token736      await expect(executeTransaction(api, alice, api.tx.unique.createItem(737        collectionRFT,738        targetAddress,739        {ReFungible: {pieces: 100}},740      )), 'while creating a nested token').to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);741742      // Create a token to be nested743      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');744      // Try to nest745      await transferExpectFailure(collectionRFT, newToken, alice, targetAddress, 100);746      // Try to nest747      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);748749      // Create another token to be nested750      const newToken2 = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');751      // Try to nest inside a fungible token752      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collectionRFT, newToken)}, collectionRFT, newToken2, 1)), 'while nesting new token inside refungible').to.be.rejectedWith(/refungible\.RefungibleDisallowsNesting/);753    });754  });755756  it('ReFungible: disallows a non-Owner to nest someone else\'s token', async function() {757    await requirePallets(this, [Pallets.ReFungible]);758759    await usingApi(async api => {760      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});761      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true}});762763      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);764      await enableAllowListExpectSuccess(alice, collectionNFT);765      await enablePublicMintingExpectSuccess(alice, collectionNFT);766767      // Create a token to attempt to be nested into768      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');769      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};770771      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});772773      // Try to create a nested token in the wrong collection774      await expect(executeTransaction(api, alice, api.tx.unique.createItem(775        collectionRFT,776        targetAddress,777        {ReFungible: {pieces: 100}},778      )), 'while creating a nested token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);779780      // Try to create and nest a token in the wrong collection781      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');782      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);783    });784  });785786  it('ReFungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async function() {787    await requirePallets(this, [Pallets.ReFungible]);788789    await usingApi(async api => {790      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});791      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);792      await enableAllowListExpectSuccess(alice, collectionNFT);793      await enablePublicMintingExpectSuccess(alice, collectionNFT);794795      // Create a token to attempt to be nested into796      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');797      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};798799      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});800      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true, restricted:[collectionRFT]}});801802      // Try to create a nested token in the wrong collection803      await expect(executeTransaction(api, alice, api.tx.unique.createItem(804        collectionRFT,805        targetAddress,806        {ReFungible: {pieces: 100}},807      )), 'while creating a nested token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);808809      // Try to create and nest a token in the wrong collection810      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');811      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);812    });813  });814815  it('ReFungible: disallows to nest token to an unlisted collection', async function() {816    await requirePallets(this, [Pallets.ReFungible]);817818    await usingApi(async api => {819      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});820      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {tokenOwner: true, restricted:[]}});821822      // Create a token to attempt to be nested into823      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');824      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};825826      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});827828      // Try to create a nested token in the wrong collection829      await expect(executeTransaction(api, alice, api.tx.unique.createItem(830        collectionRFT,831        targetAddress,832        {ReFungible: {pieces: 100}},833      )), 'while creating a nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);834835      // Try to create and nest a token in the wrong collection836      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');837      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);838    });839  });840});
after · tests/src/nesting/nest.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {IKeyringPair} from '@polkadot/types/types';18import {expect, itSub, Pallets, usingPlaygrounds} from '../util/playgrounds';1920describe('Integration Test: Composite nesting tests', () => {21  let alice: IKeyringPair;22  let bob: IKeyringPair;2324  before(async () => {25    await usingPlaygrounds(async (helper, privateKey) => {26      const donor = privateKey('//Alice');27      [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);28    });29  });3031  itSub('Performs the full suite: bundles a token, transfers, and unnests', async ({helper}) => {32    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});33    const targetToken = await collection.mintToken(alice);3435    // Create an immediately nested token36    const nestedToken = await collection.mintToken(alice, targetToken.nestingAccount());37    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});38    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());39    40    // Create a token to be nested41    const newToken = await collection.mintToken(alice);4243    // Nest44    await newToken.nest(alice, targetToken);45    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});46    expect(await newToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());4748    // Move bundle to different user49    await targetToken.transfer(alice, {Substrate: bob.address});50    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: bob.address});51    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());52    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: bob.address});53    expect(await newToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());5455    // Unnest56    await newToken.unnest(bob, targetToken, {Substrate: bob.address});57    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: bob.address});58    expect(await newToken.getOwner()).to.be.deep.equal({Substrate: bob.address});59  });6061  itSub('Transfers an already bundled token', async ({helper}) => {62    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});63    const tokenA = await collection.mintToken(alice);64    const tokenB = await collection.mintToken(alice);6566    // Create a nested token67    const tokenC = await collection.mintToken(alice, tokenA.nestingAccount());68    expect(await tokenC.getOwner()).to.be.deep.equal(tokenA.nestingAccountInLowerCase());69    70    // Transfer the nested token to another token71    await expect(tokenC.transferFrom(alice, tokenA.nestingAccount(), tokenB.nestingAccount())).to.be.fulfilled;72    expect(await tokenC.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});73    expect(await tokenC.getOwner()).to.be.deep.equal(tokenB.nestingAccountInLowerCase());74  });7576  itSub('Checks token children', async ({helper}) => {77    const collectionA = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});78    const collectionB = await helper.ft.mintCollection(alice);79    80    const targetToken = await collectionA.mintToken(alice);81    expect((await targetToken.getChildren()).length).to.be.equal(0, 'Children length check at creation');8283    // Create a nested NFT token84    const tokenA = await collectionA.mintToken(alice, targetToken.nestingAccount());85    expect(await targetToken.getChildren()).to.have.deep.members([86      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},87    ], 'Children contents check at nesting #1').and.be.length(1, 'Children length check at nesting #1');8889    // Create then nest90    const tokenB = await collectionA.mintToken(alice);91    await tokenB.nest(alice, targetToken);92    expect(await targetToken.getChildren()).to.have.deep.members([93      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},94      {tokenId: tokenB.tokenId, collectionId: collectionA.collectionId},95    ], 'Children contents check at nesting #2').and.be.length(2, 'Children length check at nesting #2');9697    // Move token B to a different user outside the nesting tree98    await tokenB.unnest(alice, targetToken, {Substrate: bob.address});99    expect(await targetToken.getChildren()).to.be.have.deep.members([100      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},101    ], 'Children contents check at nesting #3 (unnesting)').and.be.length(1, 'Children length check at nesting #3 (unnesting)');102103    // Create a fungible token in another collection and then nest104    await collectionB.mint(alice, 10n);105    await collectionB.transfer(alice, targetToken.nestingAccount(), 2n);106    expect(await targetToken.getChildren()).to.be.have.deep.members([107      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},108      {tokenId: 0, collectionId: collectionB.collectionId},109    ], 'Children contents check at nesting #4 (from another collection)')110      .and.be.length(2, 'Children length check at nesting #4 (from another collection)');111    112    // Move part of the fungible token inside token A deeper in the nesting tree113    await collectionB.transferFrom(alice, targetToken.nestingAccount(), tokenA.nestingAccount(), 1n);114    expect(await targetToken.getChildren()).to.be.have.deep.members([115      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},116      {tokenId: 0, collectionId: collectionB.collectionId},117    ], 'Children contents check at nesting #5 (deeper)').and.be.length(2, 'Children length check at nesting #5 (deeper)');118    expect(await tokenA.getChildren()).to.be.have.deep.members([119      {tokenId: 0, collectionId: collectionB.collectionId},120    ], 'Children contents check at nesting #5.5 (deeper)').and.be.length(1, 'Children length check at nesting #5.5 (deeper)');121122    // Move the remaining part of the fungible token inside token A deeper in the nesting tree123    await collectionB.transferFrom(alice, targetToken.nestingAccount(), tokenA.nestingAccount(), 1n);124    expect(await targetToken.getChildren()).to.be.have.deep.members([125      {tokenId: tokenA.tokenId, collectionId: collectionA.collectionId},126    ], 'Children contents check at nesting #6 (deeper)').and.be.length(1, 'Children length check at nesting #6 (deeper)');127    expect(await tokenA.getChildren()).to.be.have.deep.members([128      {tokenId: 0, collectionId: collectionB.collectionId},129    ], 'Children contents check at nesting #6.5 (deeper)').and.be.length(1, 'Children length check at nesting #6.5 (deeper)');130  });131});132133describe('Integration Test: Various token type nesting', () => {134  let alice: IKeyringPair;135  let bob: IKeyringPair;136  let charlie: IKeyringPair;137138  before(async () => {139    await usingPlaygrounds(async (helper, privateKey) => {140      const donor = privateKey('//Alice');141      [alice, bob, charlie] = await helper.arrange.createAccounts([50n, 10n, 10n], donor);142    });143  });144145  itSub('Admin (NFT): allows an Admin to nest a token', async ({helper}) => {146    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {collectionAdmin: true}}});147    await collection.addAdmin(alice, {Substrate: bob.address});148    const targetToken = await collection.mintToken(alice, {Substrate: charlie.address});149150    // Create an immediately nested token151    const nestedToken = await collection.mintToken(bob, targetToken.nestingAccount());152    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});153    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());154155    // Create a token to be nested and nest156    const newToken = await collection.mintToken(bob);157    await newToken.nest(bob, targetToken);158    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});159    expect(await newToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());160  });161162  itSub('Admin (NFT): Admin and Token Owner can operate together', async ({helper}) => {163    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {collectionAdmin: true, tokenOwner: true}}});164    await collection.addAdmin(alice, {Substrate: bob.address});165    const targetToken = await collection.mintToken(alice, {Substrate: charlie.address});166167    // Create an immediately nested token by an administrator168    const nestedToken = await collection.mintToken(bob, targetToken.nestingAccount());169    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});170    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());171172    // Create a token to be nested and nest173    const newToken = await collection.mintToken(alice, {Substrate: charlie.address});174    await newToken.nest(charlie, targetToken);175    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});176    expect(await newToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());177  });178179  itSub('Admin (NFT): allows an Admin to nest a token (Restricted nesting)', async ({helper}) => {180    const collectionA = await helper.nft.mintCollection(alice);181    await collectionA.addAdmin(alice, {Substrate: bob.address});182    const collectionB = await helper.nft.mintCollection(alice);183    await collectionB.addAdmin(alice, {Substrate: bob.address});184    await collectionA.setPermissions(alice, {nesting: {collectionAdmin: true, restricted:[collectionB.collectionId]}});185    const targetToken = await collectionA.mintToken(alice, {Substrate: charlie.address});186187    // Create an immediately nested token188    const nestedToken = await collectionB.mintToken(bob, targetToken.nestingAccount());189    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});190    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());191192    // Create a token to be nested and nest193    const newToken = await collectionB.mintToken(bob);194    await newToken.nest(bob, targetToken);195    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});196    expect(await newToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());197  });198199  // ---------- Non-Fungible ----------200201  itSub('NFT: allows an Owner to nest/unnest their token', async ({helper}) => {202    const collection = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}}});203    await collection.addToAllowList(alice, {Substrate: charlie.address});204    const targetToken = await collection.mintToken(charlie);205    await collection.addToAllowList(alice, targetToken.nestingAccount());206207    // Create an immediately nested token208    const nestedToken = await collection.mintToken(charlie, targetToken.nestingAccount());209    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});210    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());211212    // Create a token to be nested and nest213    const newToken = await collection.mintToken(charlie);214    await newToken.nest(charlie, targetToken);215    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});216    expect(await newToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());217  });218219  itSub('NFT: allows an Owner to nest/unnest their token (Restricted nesting)', async ({helper}) => {220    const collectionA = await helper.nft.mintCollection(alice);221    const collectionB = await helper.nft.mintCollection(alice);222    //await collectionB.addAdmin(alice, {Substrate: bob.address});223    const targetToken = await collectionA.mintToken(alice, {Substrate: charlie.address});224225    await collectionA.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted:[collectionB.collectionId]}});226    await collectionA.addToAllowList(alice, {Substrate: charlie.address});227    await collectionA.addToAllowList(alice, targetToken.nestingAccount());228229    await collectionB.setPermissions(alice, {access: 'AllowList', mintMode: true});230    await collectionB.addToAllowList(alice, {Substrate: charlie.address});231    await collectionB.addToAllowList(alice, targetToken.nestingAccount());232233    // Create an immediately nested token234    const nestedToken = await collectionB.mintToken(charlie, targetToken.nestingAccount());235    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});236    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());237238    // Create a token to be nested and nest239    const newToken = await collectionB.mintToken(charlie);240    await newToken.nest(charlie, targetToken);241    expect(await newToken.getTopmostOwner()).to.be.deep.equal({Substrate: charlie.address});242    expect(await newToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());243  });244245  // ---------- Fungible ----------246247  itSub('Fungible: allows an Owner to nest/unnest their token', async ({helper}) => {248    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}}});249    const collectionFT = await helper.ft.mintCollection(alice);250    const targetToken = await collectionNFT.mintToken(alice, {Substrate: charlie.address});251252    await collectionNFT.addToAllowList(alice, {Substrate: charlie.address});253    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());254255    await collectionFT.setPermissions(alice, {access: 'AllowList', mintMode: true});256    await collectionFT.addToAllowList(alice, {Substrate: charlie.address});257    await collectionFT.addToAllowList(alice, targetToken.nestingAccount());258259    // Create an immediately nested token260    await collectionFT.mint(charlie, 5n, targetToken.nestingAccount());261    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(5n);262263    // Create a token to be nested and nest264    await collectionFT.mint(charlie, 5n);265    await collectionFT.transfer(charlie, targetToken.nestingAccount(), 2n);266    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(7n);267  });268269  itSub('Fungible: allows an Owner to nest/unnest their token (Restricted nesting)', async ({helper}) => {270    const collectionNFT = await helper.nft.mintCollection(alice);271    const collectionFT = await helper.ft.mintCollection(alice);272    const targetToken = await collectionNFT.mintToken(alice, {Substrate: charlie.address});273274    await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted:[collectionFT.collectionId]}});275    await collectionNFT.addToAllowList(alice, {Substrate: charlie.address});276    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());277278    await collectionFT.setPermissions(alice, {access: 'AllowList', mintMode: true});279    await collectionFT.addToAllowList(alice, {Substrate: charlie.address});280    await collectionFT.addToAllowList(alice, targetToken.nestingAccount());281282    // Create an immediately nested token283    await collectionFT.mint(charlie, 5n, targetToken.nestingAccount());284    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(5n);285286    // Create a token to be nested and nest287    await collectionFT.mint(charlie, 5n);288    await collectionFT.transfer(charlie, targetToken.nestingAccount(), 2n);289    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(7n);290  });291292  // ---------- Re-Fungible ----------293294  itSub.ifWithPallets('ReFungible: allows an Owner to nest/unnest their token', [Pallets.ReFungible], async ({helper}) => {295    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}}});296    const collectionRFT = await helper.rft.mintCollection(alice);297    const targetToken = await collectionNFT.mintToken(alice, {Substrate: charlie.address});298299    await collectionNFT.addToAllowList(alice, {Substrate: charlie.address});300    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());301302    await collectionRFT.setPermissions(alice, {access: 'AllowList', mintMode: true});303    await collectionRFT.addToAllowList(alice, {Substrate: charlie.address});304    await collectionRFT.addToAllowList(alice, targetToken.nestingAccount());305306    // Create an immediately nested token307    const nestedToken = await collectionRFT.mintToken(charlie, 5n, targetToken.nestingAccount());308    expect(await nestedToken.getBalance(targetToken.nestingAccount())).to.be.equal(5n);309310    // Create a token to be nested and nest311    const newToken = await collectionRFT.mintToken(charlie, 5n);312    await newToken.transfer(charlie, targetToken.nestingAccount(), 2n);313    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(2n);314  });315316  itSub.ifWithPallets('ReFungible: allows an Owner to nest/unnest their token (Restricted nesting)', [Pallets.ReFungible], async ({helper}) => {317    const collectionNFT = await helper.nft.mintCollection(alice);318    const collectionRFT = await helper.rft.mintCollection(alice);319    const targetToken = await collectionNFT.mintToken(alice, {Substrate: charlie.address});320321    await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted:[collectionRFT.collectionId]}});322    await collectionNFT.addToAllowList(alice, {Substrate: charlie.address});323    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());324325    await collectionRFT.setPermissions(alice, {access: 'AllowList', mintMode: true});326    await collectionRFT.addToAllowList(alice, {Substrate: charlie.address});327    await collectionRFT.addToAllowList(alice, targetToken.nestingAccount());328329    // Create an immediately nested token330    const nestedToken = await collectionRFT.mintToken(charlie, 5n, targetToken.nestingAccount());331    expect(await nestedToken.getBalance(targetToken.nestingAccount())).to.be.equal(5n);332333    // Create a token to be nested and nest334    const newToken = await collectionRFT.mintToken(charlie, 5n);335    await newToken.transfer(charlie, targetToken.nestingAccount(), 2n);336    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(2n);337  });338});339340describe('Negative Test: Nesting', () => {341  let alice: IKeyringPair;342  let bob: IKeyringPair;343344  before(async () => {345    await usingPlaygrounds(async (helper, privateKey) => {346      const donor = privateKey('//Alice');347      [alice, bob] = await helper.arrange.createAccounts([100n, 50n], donor);348    });349  });350351  itSub('Disallows excessive token nesting', async ({helper}) => {352    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});353    let token = await collection.mintToken(alice);354355    const maxNestingLevel = 5;356357    // Create a nested-token matryoshka358    for (let i = 0; i < maxNestingLevel; i++) {359      token = await collection.mintToken(alice, token.nestingAccount());360    }361362    // The nesting depth is limited by `maxNestingLevel`363    await expect(collection.mintToken(alice, token.nestingAccount()))364      .to.be.rejectedWith(/structure\.DepthLimit/);365    expect(await token.getTopmostOwner()).to.be.deep.equal({Substrate: alice.address});366    expect(await token.getChildren()).to.be.length(0);367  });368369  // ---------- Admin ------------370371  itSub('Admin (NFT): disallows an Admin to operate nesting when only TokenOwner is allowed', async ({helper}) => {372    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});373    await collection.addAdmin(alice, {Substrate: bob.address});374    const targetToken = await collection.mintToken(alice);375376    // Try to create an immediately nested token as collection admin when it's disallowed377    await expect(collection.mintToken(bob, targetToken.nestingAccount()))378      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);379380    // Try to create a token to be nested and nest381    const newToken = await collection.mintToken(bob);382    await expect(newToken.nest(bob, targetToken))383      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);384385    expect(await targetToken.getChildren()).to.be.length(0);386    expect(await newToken.getOwner()).to.be.deep.equal({Substrate: bob.address});387  });388389  itSub('Admin (NFT): disallows a Token Owner to operate nesting when only Admin is allowed', async ({helper}) => {390    const collection = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true, nesting: {collectionAdmin: true}}});391    const targetToken = await collection.mintToken(alice, {Substrate: bob.address});392    await collection.addToAllowList(alice, {Substrate: bob.address});393    await collection.addToAllowList(alice, targetToken.nestingAccount());394395    // Try to create a nested token as token owner when it's disallowed396    await expect(collection.mintToken(bob, targetToken.nestingAccount()))397      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);398399    // Try to create a token to be nested and nest400    const newToken = await collection.mintToken(bob);401    await expect(newToken.nest(bob, targetToken))402      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);403404    expect(await targetToken.getChildren()).to.be.length(0);405    expect(await newToken.getOwner()).to.be.deep.equal({Substrate: bob.address});406  });407408  itSub('Admin (NFT): disallows an Admin to unnest someone else\'s token', async ({helper}) => {409    const collection = await helper.nft.mintCollection(alice, {limits: {ownerCanTransfer: true}, permissions: {access: 'AllowList', mintMode: true, nesting: {collectionAdmin: true}}});410    //await collection.addAdmin(alice, {Substrate: bob.address});411    const targetToken = await collection.mintToken(alice, {Substrate: bob.address});412    await collection.addToAllowList(alice, {Substrate: bob.address});413    await collection.addToAllowList(alice, targetToken.nestingAccount());414415    // Try to nest somebody else's token416    const newToken = await collection.mintToken(bob);417    await expect(newToken.nest(alice, targetToken))418      .to.be.rejectedWith(/common\.NoPermission/);419420    // Try to unnest a token belonging to someone else as collection admin421    const nestedToken = await collection.mintToken(alice, targetToken.nestingAccount());422    await expect(nestedToken.unnest(alice, targetToken, {Substrate: bob.address}))423      .to.be.rejectedWith(/common\.AddressNotInAllowlist/);424425    expect(await targetToken.getChildren()).to.be.length(1);426    expect(await nestedToken.getTopmostOwner()).to.be.deep.equal({Substrate: bob.address});427    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());428  });429430  itSub('Admin (NFT): disallows an Admin to nest a token from an unlisted collection (Restricted nesting)', async ({helper}) => {431    const collectionA = await helper.nft.mintCollection(alice);432    const collectionB = await helper.nft.mintCollection(alice);433    await collectionA.setPermissions(alice, {nesting: {collectionAdmin: true, restricted: [collectionA.collectionId]}});434    const targetToken = await collectionA.mintToken(alice);435436    // Try to create a nested token from another collection437    await expect(collectionB.mintToken(alice, targetToken.nestingAccount()))438      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);439440    // Create a token in another collection yet to be nested and try to nest441    const newToken = await collectionB.mintToken(alice);442    await expect(newToken.nest(alice, targetToken))443      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);444445    expect(await targetToken.getChildren()).to.be.length(0);446    expect(await newToken.getOwner()).to.be.deep.equal({Substrate: alice.address});447  });448449  // ---------- Non-Fungible ----------450451  itSub('NFT: disallows to nest token if nesting is disabled', async ({helper}) => {452    // Collection is implicitly not allowed nesting at creation453    const collection = await helper.nft.mintCollection(alice);454    const targetToken = await collection.mintToken(alice);455456    // Try to create a nested token as token owner when it's disallowed457    await expect(collection.mintToken(alice, targetToken.nestingAccount()))458      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);459460    // Try to create a token to be nested and nest461    const newToken = await collection.mintToken(alice);462    await expect(newToken.nest(alice, targetToken))463      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);464465    expect(await targetToken.getChildren()).to.be.length(0);466    expect(await newToken.getOwner()).to.be.deep.equal({Substrate: alice.address});467  });468469  itSub('NFT: disallows a non-Owner to nest someone else\'s token', async ({helper}) => {470    const collection = await helper.nft.mintCollection(alice);471    const targetToken = await collection.mintToken(alice);472473    await collection.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}});474    await collection.addToAllowList(alice, {Substrate: bob.address});475    await collection.addToAllowList(alice, targetToken.nestingAccount());476477    // Try to create a token to be nested and nest478    const newToken = await collection.mintToken(alice);479    await expect(newToken.nest(bob, targetToken)).to.be.rejectedWith(/common\.NoPermission/);480481    expect(await targetToken.getChildren()).to.be.length(0);482    expect(await newToken.getOwner()).to.be.deep.equal({Substrate: alice.address});483  });484485  itSub('NFT: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async ({helper}) => {486    const collection = await helper.nft.mintCollection(alice);487    const targetToken = await collection.mintToken(alice);488489    await collection.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}});490    await collection.addToAllowList(alice, {Substrate: bob.address});491    await collection.addToAllowList(alice, targetToken.nestingAccount());492493    const collectionB = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true}});494    await collectionB.addToAllowList(alice, {Substrate: bob.address});495    await collectionB.addToAllowList(alice, targetToken.nestingAccount());496497    // Try to create a token to be nested and nest498    const newToken = await collectionB.mintToken(alice);499    await expect(newToken.nest(bob, targetToken)).to.be.rejectedWith(/common\.NoPermission/);500501    expect(await targetToken.getChildren()).to.be.length(0);502    expect(await newToken.getOwner()).to.be.deep.equal({Substrate: alice.address});503  });504505  itSub('NFT: disallows to nest token in an unlisted collection', async ({helper}) => {506    // Create collection with restricted nesting -- even self is not allowed507    const collection = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted: []}}});508    const targetToken = await collection.mintToken(alice, {Substrate: bob.address});509510    await collection.addToAllowList(alice, {Substrate: bob.address});511    await collection.addToAllowList(alice, targetToken.nestingAccount());512513    // Try to mint in own collection after allowlisting the accounts514    await expect(collection.mintToken(bob, targetToken.nestingAccount()))515      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);516  });517518  // ---------- Fungible ----------519520  itSub('Fungible: disallows to nest token if nesting is disabled', async ({helper}) => {521    const collectionNFT = await helper.nft.mintCollection(alice);522    const collectionFT = await helper.ft.mintCollection(alice);523    const targetToken = await collectionNFT.mintToken(alice);524525    // Try to create an immediately nested token526    await expect(collectionFT.mint(alice, 5n, targetToken.nestingAccount()))527      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);528529    // Try to create a token to be nested and nest530    await collectionFT.mint(alice, 5n);531    await expect(collectionFT.transfer(alice, targetToken.nestingAccount(), 2n))532      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);533    expect(await collectionFT.getBalance({Substrate: alice.address})).to.be.equal(5n);534  });535536  itSub('Fungible: disallows a non-Owner to unnest someone else\'s token', async ({helper}) => {537    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {nesting: {collectionAdmin: true, tokenOwner: true}}});538    const collectionFT = await helper.ft.mintCollection(alice);539    const targetToken = await collectionNFT.mintToken(alice, {Substrate: bob.address});540541    // Nest some tokens as Alice into Bob's token542    await collectionFT.mint(alice, 5n, targetToken.nestingAccount());543544    // Try to pull it out545    await expect(collectionFT.transferFrom(alice, targetToken.nestingAccount(), {Substrate: bob.address}, 1n))546      .to.be.rejectedWith(/common\.ApprovedValueTooLow/);547    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(5n);548  });549550  itSub('Fungible: disallows a non-Owner to unnest someone else\'s token (Restricted nesting)', async ({helper}) => {551    const collectionNFT = await helper.nft.mintCollection(alice);552    const collectionFT = await helper.ft.mintCollection(alice);553    const targetToken = await collectionNFT.mintToken(alice, {Substrate: bob.address});554555    await collectionNFT.setPermissions(alice, {nesting: {collectionAdmin: true, tokenOwner: true, restricted: [collectionFT.collectionId]}});556557    // Nest some tokens as Alice into Bob's token558    await collectionFT.mint(alice, 5n, targetToken.nestingAccount());559560    // Try to pull it out as Alice still561    await expect(collectionFT.transferFrom(alice, targetToken.nestingAccount(), {Substrate: bob.address}, 1n))562      .to.be.rejectedWith(/common\.ApprovedValueTooLow/);563    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(5n);564  });565566  itSub('Fungible: disallows to nest token in an unlisted collection', async ({helper}) => {567    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {nesting: {collectionAdmin: true, tokenOwner: true, restricted: []}}});568    const collectionFT = await helper.ft.mintCollection(alice);569    const targetToken = await collectionNFT.mintToken(alice);570571    // Try to mint an immediately nested token572    await expect(collectionFT.mint(alice, 5n, targetToken.nestingAccount()))573      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);574575    // Mint a token and try to nest it576    await collectionFT.mint(alice, 5n);577    await expect(collectionFT.transfer(alice, targetToken.nestingAccount(), 1n))578      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);579580    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(0n);581    expect(await collectionFT.getBalance({Substrate: alice.address})).to.be.equal(5n);582  });583584  // ---------- Re-Fungible ----------585586  itSub.ifWithPallets('ReFungible: disallows to nest token if nesting is disabled', [Pallets.ReFungible], async ({helper}) => {587    const collectionNFT = await helper.nft.mintCollection(alice);588    const collectionRFT = await helper.rft.mintCollection(alice);589    const targetToken = await collectionNFT.mintToken(alice);590591    // Try to create an immediately nested token592    await expect(collectionRFT.mintToken(alice, 5n, targetToken.nestingAccount()))593      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);594595    // Try to create a token to be nested and nest596    const token = await collectionRFT.mintToken(alice, 5n);597    await expect(token.transfer(alice, targetToken.nestingAccount(), 2n))598      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);599    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(5n);600  });601602  itSub.ifWithPallets('ReFungible: disallows a non-Owner to nest someone else\'s token', [Pallets.ReFungible], async ({helper}) => {603    const collectionNFT = await helper.nft.mintCollection(alice);604    const collectionRFT = await helper.rft.mintCollection(alice);605    const targetToken = await collectionNFT.mintToken(alice);606607    await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}});608    await collectionNFT.addToAllowList(alice, {Substrate: bob.address});609    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());610611    // Try to create a token to be nested and nest612    const newToken = await collectionRFT.mintToken(alice);613    await expect(newToken.transfer(bob, targetToken.nestingAccount())).to.be.rejectedWith(/common\.TokenValueTooLow/);614615    expect(await targetToken.getChildren()).to.be.length(0);616    expect(await newToken.getBalance({Substrate: alice.address})).to.be.equal(1n);617618    // Nest some tokens as Alice into Bob's token619    await newToken.transfer(alice, targetToken.nestingAccount());620621    // Try to pull it out622    await expect(newToken.transferFrom(bob, targetToken.nestingAccount(), {Substrate: alice.address}, 1n))623      .to.be.rejectedWith(/common\.ApprovedValueTooLow/);624    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(1n);625  });626627  itSub.ifWithPallets('ReFungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', [Pallets.ReFungible], async ({helper}) => {628    const collectionNFT = await helper.nft.mintCollection(alice);629    const collectionRFT = await helper.rft.mintCollection(alice);630    const targetToken = await collectionNFT.mintToken(alice);631632    await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted: [collectionRFT.collectionId]}});633    await collectionNFT.addToAllowList(alice, {Substrate: bob.address});634    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());635636    // Try to create a token to be nested and nest637    const newToken = await collectionRFT.mintToken(alice);638    await expect(newToken.transfer(bob, targetToken.nestingAccount())).to.be.rejectedWith(/common\.TokenValueTooLow/);639640    expect(await targetToken.getChildren()).to.be.length(0);641    expect(await newToken.getBalance({Substrate: alice.address})).to.be.equal(1n);642643    // Nest some tokens as Alice into Bob's token644    await newToken.transfer(alice, targetToken.nestingAccount());645646    // Try to pull it out647    await expect(newToken.transferFrom(bob, targetToken.nestingAccount(), {Substrate: alice.address}, 1n))648      .to.be.rejectedWith(/common\.ApprovedValueTooLow/);649    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(1n);650  });651652  itSub.ifWithPallets('ReFungible: disallows to nest token to an unlisted collection', [Pallets.ReFungible], async ({helper}) => {653    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true, restricted: []}}});654    const collectionRFT = await helper.rft.mintCollection(alice);655    const targetToken = await collectionNFT.mintToken(alice);656657    // Try to create an immediately nested token658    await expect(collectionRFT.mintToken(alice, 5n, targetToken.nestingAccount()))659      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);660661    // Try to create a token to be nested and nest662    const token = await collectionRFT.mintToken(alice, 5n);663    await expect(token.transfer(alice, targetToken.nestingAccount(), 2n))664      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);665    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(5n);666  });667});
modifiedtests/src/nesting/properties.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/properties.test.ts
+++ b/tests/src/nesting/properties.test.ts
@@ -1,1004 +1,788 @@
-import {expect} from 'chai';
-import usingApi, {executeTransaction} from '../substrate/substrate-api';
-import {
-  addCollectionAdminExpectSuccess,
-  CollectionMode,
-  createCollectionExpectSuccess,
-  setCollectionPermissionsExpectSuccess,
-  createItemExpectSuccess,
-  getCreateCollectionResult,
-  transferExpectSuccess,
-  requirePallets,
-  Pallets,
-} from '../util/helpers';
-import {IKeyringPair} from '@polkadot/types/types';
-import {tokenIdToAddress} from '../eth/util/helpers';
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
 
-let alice: IKeyringPair;
-let bob: IKeyringPair;
-let charlie: IKeyringPair;
+// 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.
 
-describe('Composite Properties Test', () => {
-  before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
-    });
-  });
+// 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.
 
-  async function testMakeSureSuppliesRequired(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collectionId = await createCollectionExpectSuccess({mode: mode});
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
-      const collectionOption = await api.rpc.unique.collectionById(collectionId);
-      expect(collectionOption.isSome).to.be.true;
-      let collection = collectionOption.unwrap();
-      expect(collection.tokenPropertyPermissions.toHuman()).to.be.empty;
-      expect(collection.properties.toHuman()).to.be.empty;
+import {IKeyringPair} from '@polkadot/types/types';
+import {itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds, expect} from '../util/playgrounds';
+import {UniqueHelper, UniqueBaseCollection, UniqueNFTCollection, UniqueNFToken, UniqueRFTCollection, UniqueRFToken} from '../util/playgrounds/unique';
 
-      const propertyPermissions = [
-        {key: 'mindgame', permission: {collectionAdmin: true, mutable: false, tokenOwner: true}},
-        {key: 'skullduggery', permission: {collectionAdmin: false, mutable: true, tokenOwner: false}},
-      ];
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collectionId, propertyPermissions), 
-      )).to.not.be.rejected;
+// ---------- COLLECTION PROPERTIES
 
-      const collectionProperties = [
-        {key: 'black_hole', value: 'LIGO'},
-        {key: 'electron', value: 'come bond'}, 
-      ];
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collectionId, collectionProperties), 
-      )).to.not.be.rejected;
+describe('Integration Test: Collection Properties', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
 
-      collection = (await api.rpc.unique.collectionById(collectionId)).unwrap();
-      expect(collection.tokenPropertyPermissions.toHuman()).to.be.deep.equal(propertyPermissions);
-      expect(collection.properties.toHuman()).to.be.deep.equal(collectionProperties);
+  before(async () => {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
-  }
+  });
 
-  it('Makes sure collectionById supplies required fields for NFT', async () => {
-    await testMakeSureSuppliesRequired({type: 'NFT'});
+  itSub('Properties are initially empty', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice);
+    expect(await collection.getProperties()).to.be.empty;
   });
 
-  it('Makes sure collectionById supplies required fields for ReFungible', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
+  async function testSetsPropertiesForCollection(collection: UniqueBaseCollection) {
+    // As owner
+    await expect(collection.setProperties(alice, [{key: 'electron', value: 'come bond'}])).to.be.fulfilled;
+
+    await collection.addAdmin(alice, {Substrate: bob.address});
 
-    await testMakeSureSuppliesRequired({type: 'ReFungible'});
-  });
-});
+    // As administrator
+    await expect(collection.setProperties(bob, [{key: 'black_hole'}])).to.be.fulfilled;
 
-// ---------- COLLECTION PROPERTIES
+    const properties = await collection.getProperties();
+    expect(properties).to.include.deep.members([
+      {key: 'electron', value: 'come bond'},
+      {key: 'black_hole', value: ''},
+    ]);
+  }
 
-describe('Integration Test: Collection Properties', () => {
-  before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
-    });
+  itSub('Sets properties for a NFT collection', async ({helper}) =>  {
+    await testSetsPropertiesForCollection(await helper.nft.mintCollection(alice));
   });
 
-  it('Reads properties from a collection', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess();
-      const properties = (await api.query.common.collectionProperties(collection)).toJSON();
-      expect(properties.map).to.be.empty;
-      expect(properties.consumedSpace).to.equal(0);
-    });
+  itSub.ifWithPallets('Sets properties for a ReFungible collection', [Pallets.ReFungible], async ({helper}) => {
+    await testSetsPropertiesForCollection(await helper.rft.mintCollection(alice));
   });
 
+  async function testCheckValidNames(collection: UniqueBaseCollection) {
+    // alpha symbols
+    await expect(collection.setProperties(alice, [{key: 'answer'}])).to.be.fulfilled;
 
-  async function testSetsPropertiesForCollection(mode: string) {
-    await usingApi(async api => {
-      const events = await executeTransaction(api, bob, api.tx.unique.createCollectionEx({mode: mode}));
-      const {collectionId} = getCreateCollectionResult(events);
+    // numeric symbols
+    await expect(collection.setProperties(alice, [{key: '451'}])).to.be.fulfilled;
 
-      // As owner
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setCollectionProperties(collectionId, [{key: 'electron', value: 'come bond'}]), 
-      )).to.not.be.rejected;
+    // underscore symbol
+    await expect(collection.setProperties(alice, [{key: 'black_hole'}])).to.be.fulfilled;
 
-      await addCollectionAdminExpectSuccess(bob, collectionId, alice.address);
+    // dash symbol
+    await expect(collection.setProperties(alice, [{key: '-'}])).to.be.fulfilled;
 
-      // As administrator
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collectionId, [{key: 'black_hole'}]), 
-      )).to.not.be.rejected;
+    // dot symbol
+    await expect(collection.setProperties(alice, [{key: 'once.in.a.long.long.while...', value: 'you get a little lost'}])).to.be.fulfilled;
 
-      const properties = (await api.rpc.unique.collectionProperties(collectionId, ['electron', 'black_hole'])).toHuman();
-      expect(properties).to.be.deep.equal([
-        {key: 'electron', value: 'come bond'},
-        {key: 'black_hole', value: ''},
-      ]);
-    });
+    const properties = await collection.getProperties();
+    expect(properties).to.include.deep.members([
+      {key: 'answer', value: ''},
+      {key: '451', value: ''},
+      {key: 'black_hole', value: ''},
+      {key: '-', value: ''},
+      {key: 'once.in.a.long.long.while...', value: 'you get a little lost'},
+    ]);
   }
-  it('Sets properties for a NFT collection', async () => {
-    await testSetsPropertiesForCollection('NFT');
-  });
-  it('Sets properties for a ReFungible collection', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testSetsPropertiesForCollection('ReFungible');
+  itSub('Check valid names for NFT collection properties keys', async ({helper}) =>  {
+    await testCheckValidNames(await helper.nft.mintCollection(alice));
   });
 
-  async function testCheckValidNames(mode: string) {
-    await usingApi(async api => {
-      const events = await executeTransaction(api, bob, api.tx.unique.createCollectionEx({mode: mode}));
-      const {collectionId} = getCreateCollectionResult(events);
-  
-      // alpha symbols
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setCollectionProperties(collectionId, [{key: 'alpha'}]), 
-      )).to.not.be.rejected;
-  
-      // numeric symbols
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setCollectionProperties(collectionId, [{key: '123'}]), 
-      )).to.not.be.rejected;
-  
-      // underscore symbol
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setCollectionProperties(collectionId, [{key: 'black_hole'}]), 
-      )).to.not.be.rejected;
-  
-      // dash symbol
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setCollectionProperties(collectionId, [{key: 'semi-automatic'}]), 
-      )).to.not.be.rejected;
-  
-      // underscore symbol
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setCollectionProperties(collectionId, [{key: 'build.rs'}]), 
-      )).to.not.be.rejected;
-  
-      const propertyKeys = ['alpha', '123', 'black_hole', 'semi-automatic', 'build.rs'];
-      const properties = (await api.rpc.unique.collectionProperties(collectionId, propertyKeys)).toHuman();
-      expect(properties).to.be.deep.equal([
-        {key: 'alpha', value: ''},
-        {key: '123', value: ''},
-        {key: 'black_hole', value: ''},
-        {key: 'semi-automatic', value: ''},
-        {key: 'build.rs', value: ''},
-      ]);
-    });
-  }
-  it('Check valid names for NFT collection properties keys', async () => {
-    await testCheckValidNames('NFT');
+  itSub.ifWithPallets('Check valid names for ReFungible collection properties keys', [Pallets.ReFungible], async ({helper}) => {
+    await testCheckValidNames(await helper.rft.mintCollection(alice));
   });
-  it('Check valid names for ReFungible collection properties keys', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testCheckValidNames('ReFungible');
-  });
+  async function testChangesProperties(collection: UniqueBaseCollection) {
+    await expect(collection.setProperties(alice, [{key: 'electron', value: 'come bond'}, {key: 'black_hole', value: ''}])).to.be.fulfilled;
 
-  async function testChangesProperties(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collection, [{key: 'electron', value: 'come bond'}, {key: 'black_hole'}]), 
-      )).to.not.be.rejected;
-  
-      // Mutate the properties
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collection, [{key: 'electron', value: 'bonded'}, {key: 'black_hole', value: 'LIGO'}]), 
-      )).to.not.be.rejected;
-  
-      const properties = (await api.rpc.unique.collectionProperties(collection, ['electron', 'black_hole'])).toHuman();
-      expect(properties).to.be.deep.equal([
-        {key: 'electron', value: 'bonded'},
-        {key: 'black_hole', value: 'LIGO'},
-      ]);
-    });
+    // Mutate the properties
+    await expect(collection.setProperties(alice, [{key: 'black_hole', value: 'LIGO'}])).to.be.fulfilled;
+
+    const properties = await collection.getProperties();
+    expect(properties).to.include.deep.members([
+      {key: 'electron', value: 'come bond'},
+      {key: 'black_hole', value: 'LIGO'},
+    ]);
   }
-  it('Changes properties of a NFT collection', async () => {
-    await testChangesProperties({type: 'NFT'});
+
+  itSub('Changes properties of a NFT collection', async ({helper}) =>  {
+    await testChangesProperties(await helper.nft.mintCollection(alice));
   });
-  it('Changes properties of a ReFungible collection', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testChangesProperties({type: 'ReFungible'});
+  itSub.ifWithPallets('Changes properties of a ReFungible collection', [Pallets.ReFungible], async ({helper}) => {
+    await testChangesProperties(await helper.rft.mintCollection(alice));
   });
 
-  async function testDeleteProperties(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collection, [{key: 'electron', value: 'come bond'}, {key: 'black_hole', value: 'LIGO'}]), 
-      )).to.not.be.rejected;
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.deleteCollectionProperties(collection, ['electron']), 
-      )).to.not.be.rejected;
-  
-      const properties = (await api.rpc.unique.collectionProperties(collection, ['electron', 'black_hole'])).toHuman();
-      expect(properties).to.be.deep.equal([
-        {key: 'black_hole', value: 'LIGO'},
-      ]);
-    });  
+  async function testDeleteProperties(collection: UniqueBaseCollection) {
+    await expect(collection.setProperties(alice, [{key: 'electron', value: 'come bond'}, {key: 'black_hole', value: 'LIGO'}])).to.be.fulfilled;
+
+    await expect(collection.deleteProperties(alice, ['electron'])).to.be.fulfilled;
+
+    const properties = await collection.getProperties(['black_hole', 'electron']);
+    expect(properties).to.be.deep.equal([
+      {key: 'black_hole', value: 'LIGO'},
+    ]);
   }
-  it('Deletes properties of a NFT collection', async () => {
-    await testDeleteProperties({type: 'NFT'});
+
+  itSub('Deletes properties of a NFT collection', async ({helper}) =>  {
+    await testDeleteProperties(await helper.nft.mintCollection(alice));
   });
-  it('Deletes properties of a ReFungible collection', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testDeleteProperties({type: 'ReFungible'});
+  itSub.ifWithPallets('Deletes properties of a ReFungible collection', [Pallets.ReFungible], async ({helper}) => {
+    await testDeleteProperties(await helper.rft.mintCollection(alice));
   });
 });
 
 describe('Negative Integration Test: Collection Properties', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
   before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
     });
   });
-  
-  async function testFailsSetPropertiesIfNotOwnerOrAdmin(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
   
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setCollectionProperties(collection, [{key: 'electron', value: 'come bond'}, {key: 'black_hole', value: 'LIGO'}]), 
-      )).to.be.rejectedWith(/common\.NoPermission/);
-  
-      const properties = (await api.query.common.collectionProperties(collection)).toJSON();
-      expect(properties.map).to.be.empty;
-      expect(properties.consumedSpace).to.equal(0);
-    });  
+  async function testFailsSetPropertiesIfNotOwnerOrAdmin(collection: UniqueBaseCollection) {  
+    await expect(collection.setProperties(bob, [{key: 'electron', value: 'come bond'}, {key: 'black_hole', value: 'LIGO'}]))
+      .to.be.rejectedWith(/common\.NoPermission/);
+
+    expect(await collection.getProperties()).to.be.empty;
   }
-  it('Fails to set properties in a NFT collection if not its onwer/administrator', async () => {
-    await testFailsSetPropertiesIfNotOwnerOrAdmin({type: 'NFT'});
+
+  itSub('Fails to set properties in a NFT collection if not its onwer/administrator', async ({helper}) =>  {
+    await testFailsSetPropertiesIfNotOwnerOrAdmin(await helper.nft.mintCollection(alice));
   });
-  it('Fails to set properties in a ReFungible collection if not its onwer/administrator', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testFailsSetPropertiesIfNotOwnerOrAdmin({type: 'ReFungible'});
+  itSub.ifWithPallets('Fails to set properties in a ReFungible collection if not its onwer/administrator', [Pallets.ReFungible], async ({helper}) => {
+    await testFailsSetPropertiesIfNotOwnerOrAdmin(await helper.rft.mintCollection(alice));
   });
   
-  async function testFailsSetPropertiesThatExeedLimits(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-      const spaceLimit = (await api.query.common.collectionProperties(collection)).toJSON().spaceLimit as number; 
+  async function testFailsSetPropertiesThatExeedLimits(collection: UniqueBaseCollection) {
+    const spaceLimit = (await (collection.helper!.api! as any).query.common.collectionProperties(collection.collectionId)).spaceLimit.toNumber();
   
-      // Mute the general tx parsing error, too many bytes to process
-      {
-        console.error = () => {};
-        await expect(executeTransaction(
-          api, 
-          alice, 
-          api.tx.unique.setCollectionProperties(collection, [{key: 'electron', value: 'low high '.repeat(Math.ceil(spaceLimit! / 9))}]), 
-        )).to.be.rejected;
-      }
-  
-      let properties = (await api.rpc.unique.collectionProperties(collection, ['electron'])).toJSON();
-      expect(properties).to.be.empty;
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collection, [
-          {key: 'electron', value: 'low high '.repeat(Math.ceil(spaceLimit! / 18))}, 
-          {key: 'black_hole', value: '0'.repeat(Math.ceil(spaceLimit! / 2))}, 
-        ]), 
-      )).to.be.rejectedWith(/common\.NoSpaceForProperty/);
-  
-      properties = (await api.rpc.unique.collectionProperties(collection, ['electron', 'black hole'])).toJSON();
-      expect(properties).to.be.empty;
-    });  
+    // Mute the general tx parsing error, too many bytes to process
+    {
+      console.error = () => {};
+      await expect(collection.setProperties(alice, [
+        {key: 'electron', value: 'low high '.repeat(Math.ceil(spaceLimit! / 9))},
+      ])).to.be.rejected;
+    }
+
+    expect(await collection.getProperties(['electron'])).to.be.empty;
+
+    await expect(collection.setProperties(alice, [
+      {key: 'electron', value: 'low high '.repeat(Math.ceil(spaceLimit! / 18))}, 
+      {key: 'black_hole', value: '0'.repeat(Math.ceil(spaceLimit! / 2))}, 
+    ])).to.be.rejectedWith(/common\.NoSpaceForProperty/);
+
+    expect(await collection.getProperties(['electron', 'black_hole'])).to.be.empty;
   }
-  it('Fails to set properties that exceed the limits (NFT)', async () => {
-    await testFailsSetPropertiesThatExeedLimits({type: 'NFT'});
+
+  itSub('Fails to set properties that exceed the limits (NFT)', async ({helper}) =>  {
+    await testFailsSetPropertiesThatExeedLimits(await helper.nft.mintCollection(alice));
   });
-  it('Fails to set properties that exceed the limits (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testFailsSetPropertiesThatExeedLimits({type: 'ReFungible'});
+  itSub.ifWithPallets('Fails to set properties that exceed the limits (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    await testFailsSetPropertiesThatExeedLimits(await helper.rft.mintCollection(alice));
   });
   
-  async function testFailsSetMorePropertiesThanAllowed(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      const propertiesToBeSet = [];
-      for (let i = 0; i < 65; i++) {
-        propertiesToBeSet.push({
-          key: 'electron_' + i,
-          value: Math.random() > 0.5 ? 'high' : 'low',
-        });
-      }
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collection, propertiesToBeSet), 
-      )).to.be.rejectedWith(/common\.PropertyLimitReached/);
-  
-      const properties = (await api.query.common.collectionProperties(collection)).toJSON();
-      expect(properties.map).to.be.empty;
-      expect(properties.consumedSpace).to.equal(0);
-    });  
+  async function testFailsSetMorePropertiesThanAllowed(collection: UniqueBaseCollection) {
+    const propertiesToBeSet = [];
+    for (let i = 0; i < 65; i++) {
+      propertiesToBeSet.push({
+        key: 'electron_' + i,
+        value: Math.random() > 0.5 ? 'high' : 'low',
+      });
+    }
+
+    await expect(collection.setProperties(alice, propertiesToBeSet)).
+      to.be.rejectedWith(/common\.PropertyLimitReached/);
+
+    expect(await collection.getProperties()).to.be.empty;
   }
-  it('Fails to set more properties than it is allowed (NFT)', async () => {
-    await testFailsSetMorePropertiesThanAllowed({type: 'NFT'});
+
+  itSub('Fails to set more properties than it is allowed (NFT)', async ({helper}) =>  {
+    await testFailsSetMorePropertiesThanAllowed(await helper.nft.mintCollection(alice));
   });
-  it('Fails to set more properties than it is allowed (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testFailsSetMorePropertiesThanAllowed({type: 'ReFungible'});
+  itSub.ifWithPallets('Fails to set more properties than it is allowed (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    await testFailsSetMorePropertiesThanAllowed(await helper.rft.mintCollection(alice));
   });
-  
-  async function testFailsSetPropertiesWithInvalidNames(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      const invalidProperties = [
-        [{key: 'electron', value: 'negative'}, {key: 'string theory', value: 'understandable'}],
-        [{key: 'Mr/Sandman', value: 'Bring me a gene'}],
-        [{key: 'déjà vu', value: 'hmm...'}],
-      ];
   
-      for (let i = 0; i < invalidProperties.length; i++) {
-        await expect(executeTransaction(
-          api, 
-          alice, 
-          api.tx.unique.setCollectionProperties(collection, invalidProperties[i]), 
-        ), `on rejecting the new badly-named property #${i}`).to.be.rejectedWith(/common\.InvalidCharacterInPropertyKey/);
-      }
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collection, [{key: '', value: 'nothing must not exist'}]), 
-      ), 'on rejecting an unnamed property').to.be.rejectedWith(/common\.EmptyPropertyKey/);
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setCollectionProperties(collection, [
-          {key: 'CRISPR-Cas9', value: 'rewriting nature!'},
-        ]), 
-      ), 'on setting the correctly-but-still-badly-named property').to.not.be.rejected;
-  
-      const keys = invalidProperties.flatMap(propertySet => propertySet.map(property => property.key)).concat('CRISPR-Cas9').concat('');
-  
-      const properties = (await api.rpc.unique.collectionProperties(collection, keys)).toHuman();
-      expect(properties).to.be.deep.equal([
-        {key: 'CRISPR-Cas9', value: 'rewriting nature!'},
-      ]);
-  
-      for (let i = 0; i < invalidProperties.length; i++) {
-        await expect(executeTransaction(
-          api, 
-          alice, 
-          api.tx.unique.deleteCollectionProperties(collection, invalidProperties[i].map(propertySet => propertySet.key)), 
-        ), `on trying to delete the non-existent badly-named property #${i}`).to.be.rejectedWith(/common\.InvalidCharacterInPropertyKey/);
-      }
-    });
+  async function testFailsSetPropertiesWithInvalidNames(collection: UniqueBaseCollection) {
+    const invalidProperties = [
+      [{key: 'electron', value: 'negative'}, {key: 'string theory', value: 'understandable'}],
+      [{key: 'Mr/Sandman', value: 'Bring me a gene'}],
+      [{key: 'déjà vu', value: 'hmm...'}],
+    ];
+
+    for (let i = 0; i < invalidProperties.length; i++) {
+      await expect(
+        collection.setProperties(alice, invalidProperties[i]), 
+        `on rejecting the new badly-named property #${i}`,
+      ).to.be.rejectedWith(/common\.InvalidCharacterInPropertyKey/);
+    }
+
+    await expect(
+      collection.setProperties(alice, [{key: '', value: 'nothing must not exist'}]), 
+      'on rejecting an unnamed property',
+    ).to.be.rejectedWith(/common\.EmptyPropertyKey/);
+
+    await expect(
+      collection.setProperties(alice, [{key: 'CRISPR-Cas9', value: 'rewriting nature!'}]), 
+      'on setting the correctly-but-still-badly-named property',
+    ).to.be.fulfilled;
+
+    const keys = invalidProperties.flatMap(propertySet => propertySet.map(property => property.key)).concat('CRISPR-Cas9').concat('');
+
+    const properties = await collection.getProperties(keys);
+    expect(properties).to.be.deep.equal([
+      {key: 'CRISPR-Cas9', value: 'rewriting nature!'},
+    ]);
+
+    for (let i = 0; i < invalidProperties.length; i++) {
+      await expect(
+        collection.deleteProperties(alice, invalidProperties[i].map(propertySet => propertySet.key)), 
+        `on trying to delete the non-existent badly-named property #${i}`,
+      ).to.be.rejectedWith(/common\.InvalidCharacterInPropertyKey/);
+    }
   }
-  it('Fails to set properties with invalid names (NFT)', async () => {
-    await testFailsSetPropertiesWithInvalidNames({type: 'NFT'});
+
+  itSub('Fails to set properties with invalid names (NFT)', async ({helper}) =>  {
+    await testFailsSetPropertiesWithInvalidNames(await helper.nft.mintCollection(alice));
   });
-  it('Fails to set properties with invalid names (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testFailsSetPropertiesWithInvalidNames({type: 'ReFungible'});
+  itSub.ifWithPallets('Fails to set properties with invalid names (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    await testFailsSetPropertiesWithInvalidNames(await helper.rft.mintCollection(alice));
   });
 });
 
 // ---------- ACCESS RIGHTS
 
 describe('Integration Test: Access Rights to Token Properties', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
   before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
     });
   });
   
-  it('Reads access rights to properties of a collection', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess();
-      const propertyRights = (await api.query.common.collectionPropertyPermissions(collection)).toJSON();
-      expect(propertyRights).to.be.empty;
-    });
+  itSub('Reads access rights to properties of a collection', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const propertyRights = (await helper.api!.query.common.collectionPropertyPermissions(collection.collectionId)).toJSON();
+    expect(propertyRights).to.be.empty;
   });
   
-  async function testSetsAccessRightsToProperties(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'skullduggery', permission: {mutable: true}}]), 
-      )).to.not.be.rejected;
-  
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'mindgame', permission: {collectionAdmin: true, tokenOwner: false}}]), 
-      )).to.not.be.rejected;
-  
-      const propertyRights = (await api.rpc.unique.propertyPermissions(collection, ['skullduggery', 'mindgame'])).toHuman();
-      expect(propertyRights).to.be.deep.equal([
-        {key: 'skullduggery', permission: {'mutable': true, 'collectionAdmin': false, 'tokenOwner': false}},
-        {key: 'mindgame', permission: {'mutable': false, 'collectionAdmin': true, 'tokenOwner': false}},
-      ]);
-    });  
+  async function testSetsAccessRightsToProperties(collection: UniqueNFTCollection | UniqueRFTCollection) {  
+    await expect(collection.setTokenPropertyPermissions(alice, [{key: 'skullduggery', permission: {mutable: true}}]))
+      .to.be.fulfilled;
+
+    await collection.addAdmin(alice, {Substrate: bob.address});
+
+    await expect(collection.setTokenPropertyPermissions(bob, [{key: 'mindgame', permission: {collectionAdmin: true, tokenOwner: false}}]))
+      .to.be.fulfilled;
+
+    const propertyRights = await collection.getPropertyPermissions(['skullduggery', 'mindgame']);
+    expect(propertyRights).to.include.deep.members([
+      {key: 'skullduggery', permission: {mutable: true, collectionAdmin: false, tokenOwner: false}},
+      {key: 'mindgame', permission: {mutable: false, collectionAdmin: true, tokenOwner: false}},
+    ]);
   }
-  it('Sets access rights to properties of a collection (NFT)', async () => {
-    await testSetsAccessRightsToProperties({type: 'NFT'});
+
+  itSub('Sets access rights to properties of a collection (NFT)', async ({helper}) =>  {
+    await testSetsAccessRightsToProperties(await helper.nft.mintCollection(alice));
   });
-  it('Sets access rights to properties of a collection (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testSetsAccessRightsToProperties({type: 'ReFungible'});
+  itSub.ifWithPallets('Sets access rights to properties of a collection (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    await testSetsAccessRightsToProperties(await helper.rft.mintCollection(alice));
   });
-  
-  async function testChangesAccessRightsToProperty(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
   
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'skullduggery', permission: {mutable: true, collectionAdmin: true}}]), 
-      )).to.not.be.rejected;
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'skullduggery', permission: {mutable: false, tokenOwner: true}}]), 
-      )).to.not.be.rejected;
-  
-      const propertyRights = (await api.rpc.unique.propertyPermissions(collection, ['skullduggery'])).toHuman();
-      expect(propertyRights).to.be.deep.equal([
-        {key: 'skullduggery', permission: {'mutable': false, 'collectionAdmin': false, 'tokenOwner': true}},
-      ]);
-    });
+  async function testChangesAccessRightsToProperty(collection: UniqueNFTCollection | UniqueRFTCollection) {
+    await expect(collection.setTokenPropertyPermissions(alice, [{key: 'skullduggery', permission: {mutable: true, collectionAdmin: true}}]))
+      .to.be.fulfilled;
+
+    await expect(collection.setTokenPropertyPermissions(alice, [{key: 'skullduggery', permission: {mutable: false, tokenOwner: true}}]))
+      .to.be.fulfilled;
+
+    const propertyRights = await collection.getPropertyPermissions();
+    expect(propertyRights).to.be.deep.equal([
+      {key: 'skullduggery', permission: {'mutable': false, 'collectionAdmin': false, 'tokenOwner': true}},
+    ]);
   }
-  it('Changes access rights to properties of a NFT collection', async () => {
-    await testChangesAccessRightsToProperty({type: 'NFT'});
+
+  itSub('Changes access rights to properties of a NFT collection', async ({helper}) =>  {
+    await testChangesAccessRightsToProperty(await helper.nft.mintCollection(alice));
   });
-  it('Changes access rights to properties of a ReFungible collection', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testChangesAccessRightsToProperty({type: 'ReFungible'});
+  itSub.ifWithPallets('Changes access rights to properties of a ReFungible collection', [Pallets.ReFungible], async ({helper}) => {
+    await testChangesAccessRightsToProperty(await helper.rft.mintCollection(alice));
   });
 });
 
 describe('Negative Integration Test: Access Rights to Token Properties', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
   before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
 
-  async function testPreventsFromSettingAccessRightsNotAdminOrOwner(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      await expect(executeTransaction(
-        api, 
-        bob, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'skullduggery', permission: {mutable: true, tokenOwner: true}}]), 
-      )).to.be.rejectedWith(/common\.NoPermission/);
-  
-      const propertyRights = (await api.rpc.unique.propertyPermissions(collection, ['skullduggery'])).toJSON();
-      expect(propertyRights).to.be.empty;
-    });
+  async function testPreventsFromSettingAccessRightsNotAdminOrOwner(collection: UniqueNFTCollection | UniqueRFTCollection) {
+    await expect(collection.setTokenPropertyPermissions(bob, [{key: 'skullduggery', permission: {mutable: true, tokenOwner: true}}]))
+      .to.be.rejectedWith(/common\.NoPermission/);
+
+    const propertyRights = await collection.getPropertyPermissions(['skullduggery']);
+    expect(propertyRights).to.be.empty;
   }
-  it('Prevents from setting access rights to properties of a NFT collection if not an onwer/admin', async () => {
-    await testPreventsFromSettingAccessRightsNotAdminOrOwner({type: 'NFT'});
+
+  itSub('Prevents from setting access rights to properties of a NFT collection if not an onwer/admin', async ({helper}) =>  {
+    await testPreventsFromSettingAccessRightsNotAdminOrOwner(await helper.nft.mintCollection(alice));
   });
-  it('Prevents from setting access rights to properties of a ReFungible collection if not an onwer/admin', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testPreventsFromSettingAccessRightsNotAdminOrOwner({type: 'ReFungible'});
+  itSub.ifWithPallets('Prevents from setting access rights to properties of a ReFungible collection if not an onwer/admin', [Pallets.ReFungible], async ({helper}) => {
+    await testPreventsFromSettingAccessRightsNotAdminOrOwner(await helper.rft.mintCollection(alice));
   });
 
-  async function testPreventFromAddingTooManyPossibleProperties(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      const constitution = [];
-      for (let i = 0; i < 65; i++) {
-        constitution.push({
-          key: 'property_' + i,
-          permission: Math.random() > 0.5 ? {mutable: true, collectionAdmin: true, tokenOwner: true} : {},
-        });
-      }
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, constitution), 
-      )).to.be.rejectedWith(/common\.PropertyLimitReached/);
-  
-      const propertyRights = (await api.query.common.collectionPropertyPermissions(collection)).toJSON();
-      expect(propertyRights).to.be.empty;
-    });  
+  async function testPreventFromAddingTooManyPossibleProperties(collection: UniqueNFTCollection | UniqueRFTCollection) {  
+    const constitution = [];
+    for (let i = 0; i < 65; i++) {
+      constitution.push({
+        key: 'property_' + i,
+        permission: Math.random() > 0.5 ? {mutable: true, collectionAdmin: true, tokenOwner: true} : {},
+      });
+    }
+
+    await expect(collection.setTokenPropertyPermissions(alice, constitution))
+      .to.be.rejectedWith(/common\.PropertyLimitReached/);
+
+    const propertyRights = await collection.getPropertyPermissions();
+    expect(propertyRights).to.be.empty;
   }
-  it('Prevents from adding too many possible properties (NFT)', async () => {
-    await testPreventFromAddingTooManyPossibleProperties({type: 'NFT'});
+
+  itSub('Prevents from adding too many possible properties (NFT)', async ({helper}) =>  {
+    await testPreventFromAddingTooManyPossibleProperties(await helper.nft.mintCollection(alice));
   });
-  it('Prevents from adding too many possible properties (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testPreventFromAddingTooManyPossibleProperties({type: 'ReFungible'});
+  itSub.ifWithPallets('Prevents from adding too many possible properties (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    await testPreventFromAddingTooManyPossibleProperties(await helper.rft.mintCollection(alice));
   });
 
-  async function testPreventAccessRightsModifiedIfConstant(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'skullduggery', permission: {mutable: false, tokenOwner: true}}]), 
-      )).to.not.be.rejected;
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'skullduggery', permission: {}}]), 
-      )).to.be.rejectedWith(/common\.NoPermission/);
-  
-      const propertyRights = (await api.rpc.unique.propertyPermissions(collection, ['skullduggery'])).toHuman();
-      expect(propertyRights).to.deep.equal([
-        {key: 'skullduggery', permission: {'mutable': false, 'collectionAdmin': false, 'tokenOwner': true}},
-      ]);
-    });  
+  async function testPreventAccessRightsModifiedIfConstant(collection: UniqueNFTCollection | UniqueRFTCollection) {
+    await expect(collection.setTokenPropertyPermissions(alice, [{key: 'skullduggery', permission: {mutable: false, tokenOwner: true}}]))
+      .to.be.fulfilled;
+
+    await expect(collection.setTokenPropertyPermissions(alice, [{key: 'skullduggery', permission: {collectionAdmin: true}}]))
+      .to.be.rejectedWith(/common\.NoPermission/);
+
+    const propertyRights = await collection.getPropertyPermissions(['skullduggery']);
+    expect(propertyRights).to.deep.equal([
+      {key: 'skullduggery', permission: {'mutable': false, 'collectionAdmin': false, 'tokenOwner': true}},
+    ]);
   }
-  it('Prevents access rights to be modified if constant (NFT)', async () => {
-    await testPreventAccessRightsModifiedIfConstant({type: 'NFT'});
+
+  itSub('Prevents access rights to be modified if constant (NFT)', async ({helper}) =>  {
+    await testPreventAccessRightsModifiedIfConstant(await helper.nft.mintCollection(alice));
   });
-  it('Prevents access rights to be modified if constant (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testPreventAccessRightsModifiedIfConstant({type: 'ReFungible'});
+  itSub.ifWithPallets('Prevents access rights to be modified if constant (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    await testPreventAccessRightsModifiedIfConstant(await helper.rft.mintCollection(alice));
   });
 
-  async function testPreventsAddingPropertiesWithInvalidNames(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-  
-      const invalidProperties = [
-        [{key: 'skullduggery', permission: {tokenOwner: true}}, {key: 'im possible', permission: {collectionAdmin: true}}],
-        [{key: 'G#4', permission: {tokenOwner: true}}],
-        [{key: 'HÆMILTON', permission: {mutable: false, collectionAdmin: true, tokenOwner: true}}],
-      ];
-  
-      for (let i = 0; i < invalidProperties.length; i++) {
-        await expect(executeTransaction(
-          api, 
-          alice, 
-          api.tx.unique.setTokenPropertyPermissions(collection, invalidProperties[i]), 
-        ), `on setting the new badly-named property #${i}`).to.be.rejectedWith(/common\.InvalidCharacterInPropertyKey/);
-      }
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: '', permission: {}}]), 
-      ), 'on rejecting an unnamed property').to.be.rejectedWith(/common\.EmptyPropertyKey/);
-  
-      const correctKey = '--0x03116e387820CA05'; // PolkadotJS would parse this as an already encoded hex-string
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [
-          {key: correctKey, permission: {collectionAdmin: true}},
-        ]), 
-      ), 'on setting the correctly-but-still-badly-named property').to.not.be.rejected;
-  
-      const keys = invalidProperties.flatMap(propertySet => propertySet.map(property => property.key)).concat(correctKey).concat('');
-  
-      const propertyRights = (await api.rpc.unique.propertyPermissions(collection, keys)).toHuman();
-      expect(propertyRights).to.be.deep.equal([
-        {key: correctKey, permission: {mutable: false, collectionAdmin: true, tokenOwner: false}},
-      ]);
-    });
+  async function testPreventsAddingPropertiesWithInvalidNames(collection: UniqueNFTCollection | UniqueRFTCollection) {
+    const invalidProperties = [
+      [{key: 'skullduggery', permission: {tokenOwner: true}}, {key: 'im possible', permission: {collectionAdmin: true}}],
+      [{key: 'G#4', permission: {tokenOwner: true}}],
+      [{key: 'HÆMILTON', permission: {mutable: false, collectionAdmin: true, tokenOwner: true}}],
+    ];
+
+    for (let i = 0; i < invalidProperties.length; i++) {
+      await expect(
+        collection.setTokenPropertyPermissions(alice, invalidProperties[i]), 
+        `on setting the new badly-named property #${i}`,
+      ).to.be.rejectedWith(/common\.InvalidCharacterInPropertyKey/);
+    }
+
+    await expect(
+      collection.setTokenPropertyPermissions(alice, [{key: '', permission: {}}]), 
+      'on rejecting an unnamed property',
+    ).to.be.rejectedWith(/common\.EmptyPropertyKey/);
+
+    const correctKey = '--0x03116e387820CA05'; // PolkadotJS would parse this as an already encoded hex-string
+    await expect(
+      collection.setTokenPropertyPermissions(alice, [
+        {key: correctKey, permission: {collectionAdmin: true}},
+      ]), 
+      'on setting the correctly-but-still-badly-named property',
+    ).to.be.fulfilled;
+
+    const keys = invalidProperties.flatMap(propertySet => propertySet.map(property => property.key)).concat(correctKey).concat('');
+
+    const propertyRights = await collection.getPropertyPermissions(keys);
+    expect(propertyRights).to.be.deep.equal([
+      {key: correctKey, permission: {mutable: false, collectionAdmin: true, tokenOwner: false}},
+    ]);
   }
-  it('Prevents adding properties with invalid names (NFT)', async () => {
-    await testPreventsAddingPropertiesWithInvalidNames({type: 'NFT'});
+
+  itSub('Prevents adding properties with invalid names (NFT)', async ({helper}) =>  {
+    await testPreventsAddingPropertiesWithInvalidNames(await helper.nft.mintCollection(alice));
   });
-  it('Prevents adding properties with invalid names (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testPreventsAddingPropertiesWithInvalidNames({type: 'ReFungible'});
+  itSub.ifWithPallets('Prevents adding properties with invalid names (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    await testPreventsAddingPropertiesWithInvalidNames(await helper.rft.mintCollection(alice));
   });
 });
 
 // ---------- TOKEN PROPERTIES
 
 describe('Integration Test: Token Properties', () => {
+  let alice: IKeyringPair; // collection owner
+  let bob: IKeyringPair; // collection admin
+  let charlie: IKeyringPair; // token owner
+
   let permissions: {permission: any, signers: IKeyringPair[]}[];
 
   before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice'); // collection owner
-      bob = privateKeyWrapper('//Bob'); // collection admin
-      charlie = privateKeyWrapper('//Charlie'); // token owner
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+    });
 
-      permissions = [
-        {permission: {mutable: true, collectionAdmin: true}, signers: [alice, bob]},
-        {permission: {mutable: false, collectionAdmin: true}, signers: [alice, bob]},
-        {permission: {mutable: true, tokenOwner: true}, signers: [charlie]},
-        {permission: {mutable: false, tokenOwner: true}, signers: [charlie]},
-        {permission: {mutable: true, collectionAdmin: true, tokenOwner: true}, signers: [alice, bob, charlie]},
-        {permission: {mutable: false, collectionAdmin: true, tokenOwner: true}, signers: [alice, bob, charlie]},
-      ];
-    });
+    // todo:playgrounds probably separate these tests later
+    permissions = [
+      {permission: {mutable: true, collectionAdmin: true}, signers: [alice, bob]},
+      {permission: {mutable: false, collectionAdmin: true}, signers: [alice, bob]},
+      {permission: {mutable: true, tokenOwner: true}, signers: [charlie]},
+      {permission: {mutable: false, tokenOwner: true}, signers: [charlie]},
+      {permission: {mutable: true, collectionAdmin: true, tokenOwner: true}, signers: [alice, bob, charlie]},
+      {permission: {mutable: false, collectionAdmin: true, tokenOwner: true}, signers: [alice, bob, charlie]},
+    ];
   });
   
-  async function testReadsYetEmptyProperties(mode: CollectionMode) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-      const token = await createItemExpectSuccess(alice, collection, mode.type);
-  
-      const properties = (await api.query.nonfungible.tokenProperties(collection, token)).toJSON();
-      expect(properties.map).to.be.empty;
-      expect(properties.consumedSpace).to.be.equal(0);
-  
-      const tokenData = (await api.rpc.unique.tokenData(collection, token, ['anything'])).toJSON().properties;
-      expect(tokenData).to.be.empty;
-    });
+  async function testReadsYetEmptyProperties(token: UniqueNFToken | UniqueRFToken) {
+    const properties = await token.getProperties();
+    expect(properties).to.be.empty;
+
+    const tokenData = await token.getData();
+    expect(tokenData!.properties).to.be.empty;
   }
-  it('Reads yet empty properties of a token (NFT)', async () => {
-    await testReadsYetEmptyProperties({type: 'NFT'});
-  });
-  it('Reads yet empty properties of a token (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testReadsYetEmptyProperties({type: 'ReFungible'});
+  itSub('Reads yet empty properties of a token (NFT)', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testReadsYetEmptyProperties(token);
   });
 
-  async function testAssignPropertiesAccordingToPermissions(mode: CollectionMode, pieces: number) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-      const token = await createItemExpectSuccess(alice, collection, mode.type);
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-      await transferExpectSuccess(collection, token, alice, charlie, pieces, mode.type);
+  itSub.ifWithPallets('Reads yet empty properties of a token (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testReadsYetEmptyProperties(token);
+  });
 
-      const propertyKeys: string[] = [];
-      let i = 0;
-      for (const permission of permissions) {
-        for (const signer of permission.signers) {
-          const key = i + '_' + signer.address;
-          propertyKeys.push(key);
+  async function testAssignPropertiesAccordingToPermissions(token: UniqueNFToken | UniqueRFToken, pieces: bigint) {
+    await token.collection.addAdmin(alice, {Substrate: bob.address});
+    await token.transfer(alice, {Substrate: charlie.address}, pieces);
 
-          await expect(executeTransaction(
-            api, 
-            alice, 
-            api.tx.unique.setTokenPropertyPermissions(collection, [{key: key, permission: permission.permission}]), 
-          ), `on setting permission ${i} by ${signer.address}`).to.not.be.rejected;
+    const propertyKeys: string[] = [];
+    let i = 0;
+    for (const permission of permissions) {
+      i++;
+      let j = 0;
+      for (const signer of permission.signers) {
+        j++;
+        const key = i + '_' + signer.address;
+        propertyKeys.push(key);
 
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, token, [{key: key, value: 'Serotonin increase'}]), 
-          ), `on adding property ${i} by ${signer.address}`).to.not.be.rejected;
-        }
+        await expect(
+          token.collection.setTokenPropertyPermissions(alice, [{key: key, permission: permission.permission}]), 
+          `on setting permission #${i} by alice`,
+        ).to.be.fulfilled;
 
-        i++;
+        await expect(
+          token.setProperties(signer, [{key: key, value: 'Serotonin increase'}]), 
+          `on adding property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
       }
+    }
 
-      const properties = (await api.rpc.unique.tokenProperties(collection, token, propertyKeys)).toHuman() as any[];
-      const tokensData = (await api.rpc.unique.tokenData(collection, token, propertyKeys)).toHuman().properties as any[];
-      for (let i = 0; i < properties.length; i++) {
-        expect(properties[i].value).to.be.equal('Serotonin increase');
-        expect(tokensData[i].value).to.be.equal('Serotonin increase');
-      }
-    });
+    const properties = await token.getProperties(propertyKeys);
+    const tokenData = await token.getData();
+    for (let i = 0; i < properties.length; i++) {
+      expect(properties[i].value).to.be.equal('Serotonin increase');
+      expect(tokenData!.properties[i].value).to.be.equal('Serotonin increase');
+    }
   }
-  it('Assigns properties to a token according to permissions (NFT)', async () => {
-    await testAssignPropertiesAccordingToPermissions({type: 'NFT'}, 1);
+
+  itSub('Assigns properties to a token according to permissions (NFT)', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testAssignPropertiesAccordingToPermissions(token, 1n);
   });
-  it('Assigns properties to a token according to permissions (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testAssignPropertiesAccordingToPermissions({type: 'ReFungible'}, 100);
+  itSub.ifWithPallets('Assigns properties to a token according to permissions (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    await testAssignPropertiesAccordingToPermissions(token, 100n);
   });
 
-  async function testChangesPropertiesAccordingPermission(mode: CollectionMode, pieces: number) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-      const token = await createItemExpectSuccess(alice, collection, mode.type);
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-      await transferExpectSuccess(collection, token, alice, charlie, pieces, mode.type);
+  async function testChangesPropertiesAccordingPermission(token: UniqueNFToken | UniqueRFToken, pieces: bigint) {
+    await token.collection.addAdmin(alice, {Substrate: bob.address});
+    await token.transfer(alice, {Substrate: charlie.address}, pieces);
+
+    const propertyKeys: string[] = [];
+    let i = 0;
+    for (const permission of permissions) {
+      i++;
+      if (!permission.permission.mutable) continue;
+      
+      let j = 0;
+      for (const signer of permission.signers) {
+        j++;
+        const key = i + '_' + signer.address;
+        propertyKeys.push(key);
+
+        await expect(
+          token.collection.setTokenPropertyPermissions(alice, [{key: key, permission: permission.permission}]), 
+          `on setting permission #${i} by alice`,
+        ).to.be.fulfilled;
+
+        await expect(
+          token.setProperties(signer, [{key, value: 'Serotonin increase'}]), 
+          `on adding property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
 
-      const propertyKeys: string[] = [];
-      let i = 0;
-      for (const permission of permissions) {
-        if (!permission.permission.mutable) continue;
-        
-        for (const signer of permission.signers) {
-          const key = i + '_' + signer.address;
-          propertyKeys.push(key);
-  
-          await expect(executeTransaction(
-            api, 
-            alice, 
-            api.tx.unique.setTokenPropertyPermissions(collection, [{key: key, permission: permission.permission}]), 
-          ), `on setting permission ${i} by ${signer.address}`).to.not.be.rejected;
-  
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, token, [{key: key, value: 'Serotonin increase'}]), 
-          ), `on adding property ${i} by ${signer.address}`).to.not.be.rejected;
-  
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, token, [{key: key, value: 'Serotonin stable'}]), 
-          ), `on changing property ${i} by ${signer.address}`).to.not.be.rejected;
-        }
-  
-        i++;
+        await expect(
+          token.setProperties(signer, [{key, value: 'Serotonin stable'}]), 
+          `on changing property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
       }
-  
-      const properties = (await api.rpc.unique.tokenProperties(collection, token, propertyKeys)).toHuman() as any[];
-      const tokensData = (await api.rpc.unique.tokenData(collection, token, propertyKeys)).toHuman().properties as any[];
-      for (let i = 0; i < properties.length; i++) {
-        expect(properties[i].value).to.be.equal('Serotonin stable');
-        expect(tokensData[i].value).to.be.equal('Serotonin stable');
-      }
-    });
+    }
+
+    const properties = await token.getProperties(propertyKeys);
+    const tokenData = await token.getData();
+    for (let i = 0; i < properties.length; i++) {
+      expect(properties[i].value).to.be.equal('Serotonin stable');
+      expect(tokenData!.properties[i].value).to.be.equal('Serotonin stable');
+    }
   }
-  it('Changes properties of a token according to permissions (NFT)', async () => {
-    await testChangesPropertiesAccordingPermission({type: 'NFT'}, 1);
+
+  itSub('Changes properties of a token according to permissions (NFT)', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testChangesPropertiesAccordingPermission(token, 1n);
   });
-  it('Changes properties of a token according to permissions (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testChangesPropertiesAccordingPermission({type: 'ReFungible'}, 100);
+  itSub.ifWithPallets('Changes properties of a token according to permissions (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    await testChangesPropertiesAccordingPermission(token, 100n);
   });
 
-  async function testDeletePropertiesAccordingPermission(mode: CollectionMode, pieces: number) {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: mode});
-      const token = await createItemExpectSuccess(alice, collection, mode.type);
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-      await transferExpectSuccess(collection, token, alice, charlie, pieces, mode.type);
+  async function testDeletePropertiesAccordingPermission(token: UniqueNFToken | UniqueRFToken, pieces: bigint) {
+    await token.collection.addAdmin(alice, {Substrate: bob.address});
+    await token.transfer(alice, {Substrate: charlie.address}, pieces);
+
+    const propertyKeys: string[] = [];
+    let i = 0;
+
+    for (const permission of permissions) {
+      i++;
+      if (!permission.permission.mutable) continue;
+      
+      let j = 0;
+      for (const signer of permission.signers) {
+        j++;
+        const key = i + '_' + signer.address;
+        propertyKeys.push(key);
+
+        await expect(
+          token.collection.setTokenPropertyPermissions(alice, [{key: key, permission: permission.permission}]), 
+          `on setting permission #${i} by alice`,
+        ).to.be.fulfilled;
 
-      const propertyKeys: string[] = [];
-      let i = 0;
-  
-      for (const permission of permissions) {
-        if (!permission.permission.mutable) continue;
-        
-        for (const signer of permission.signers) {
-          const key = i + '_' + signer.address;
-          propertyKeys.push(key);
-  
-          await expect(executeTransaction(
-            api, 
-            alice, 
-            api.tx.unique.setTokenPropertyPermissions(collection, [{key: key, permission: permission.permission}]), 
-          ), `on setting permission ${i} by ${signer.address}`).to.not.be.rejected;
-  
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, token, [{key: key, value: 'Serotonin increase'}]), 
-          ), `on adding property ${i} by ${signer.address}`).to.not.be.rejected;
-  
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.deleteTokenProperties(collection, token, [key]), 
-          ), `on deleting property ${i} by ${signer.address}`).to.not.be.rejected;
-        }
-        
-        i++;
+        await expect(
+          token.setProperties(signer, [{key, value: 'Serotonin increase'}]), 
+          `on adding property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
+
+        await expect(
+          token.deleteProperties(signer, [key]), 
+          `on deleting property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
       }
-  
-      const properties = (await api.rpc.unique.tokenProperties(collection, token, propertyKeys)).toJSON() as any[];
-      expect(properties).to.be.empty;
-      const tokensData = (await api.rpc.unique.tokenData(collection, token, propertyKeys)).toJSON().properties as any[];
-      expect(tokensData).to.be.empty;
-      expect((await api.query.nonfungible.tokenProperties(collection, token)).toJSON().consumedSpace).to.be.equal(0);
-    });
+    }
+
+    expect(await token.getProperties(propertyKeys)).to.be.empty;
+    expect((await token.getData())!.properties).to.be.empty;
   }
-  it('Deletes properties of a token according to permissions (NFT)', async () => {
-    await testDeletePropertiesAccordingPermission({type: 'NFT'}, 1);
+  
+  itSub('Deletes properties of a token according to permissions (NFT)', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testDeletePropertiesAccordingPermission(token, 1n);
   });
-  it('Deletes properties of a token according to permissions (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testDeletePropertiesAccordingPermission({type: 'ReFungible'}, 100);
+  itSub.ifWithPallets('Deletes properties of a token according to permissions (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    await testDeletePropertiesAccordingPermission(token, 100n);
   });
 
-  it('Assigns properties to a nested token according to permissions', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-      const token = await createItemExpectSuccess(alice, collection, 'NFT');
-      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, token)});
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-      await transferExpectSuccess(collection, token, alice, charlie);
+  itSub('Assigns properties to a nested token according to permissions', async ({helper}) =>  {
+    const collectionA = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const collectionB = await helper.nft.mintCollection(alice);
+    const targetToken = await collectionA.mintToken(alice);
+    const nestedToken = await collectionB.mintToken(alice, targetToken.nestingAccount());
 
-      const propertyKeys: string[] = [];
-      let i = 0;
-      for (const permission of permissions) {
-        for (const signer of permission.signers) {
-          const key = i + '_' + signer.address;
-          propertyKeys.push(key);
+    await collectionB.addAdmin(alice, {Substrate: bob.address});
+    await targetToken.transfer(alice, {Substrate: charlie.address});
 
-          await expect(executeTransaction(
-            api, 
-            alice, 
-            api.tx.unique.setTokenPropertyPermissions(collection, [{key: key, permission: permission.permission}]), 
-          ), `on setting permission ${i} by ${signer.address}`).to.not.be.rejected;
+    const propertyKeys: string[] = [];
+    let i = 0;
+    for (const permission of permissions) {
+      i++;
+      let j = 0;
+      for (const signer of permission.signers) {
+        j++;
+        const key = i + '_' + signer.address;
+        propertyKeys.push(key);
+        
+        await expect(
+          nestedToken.collection.setTokenPropertyPermissions(alice, [{key: key, permission: permission.permission}]), 
+          `on setting permission #${i} by alice`,
+        ).to.be.fulfilled;
 
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, nestedToken, [{key: key, value: 'Serotonin increase'}]), 
-          ), `on adding property ${i} by ${signer.address}`).to.not.be.rejected;
-        }
-
-        i++;
+        await expect(
+          nestedToken.setProperties(signer, [{key, value: 'Serotonin increase'}]), 
+          `on adding property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
       }
 
-      const properties = (await api.rpc.unique.tokenProperties(collection, nestedToken, propertyKeys)).toHuman() as any[];
-      const tokensData = (await api.rpc.unique.tokenData(collection, nestedToken, propertyKeys)).toHuman().properties as any[];
-      for (let i = 0; i < properties.length; i++) {
-        expect(properties[i].value).to.be.equal('Serotonin increase');
-        expect(tokensData[i].value).to.be.equal('Serotonin increase');
-      }
-    });
+    }
+
+    const properties = await nestedToken.getProperties(propertyKeys);
+    const tokenData = await nestedToken.getData();
+    for (let i = 0; i < properties.length; i++) {
+      expect(properties[i].value).to.be.equal('Serotonin increase');
+      expect(tokenData!.properties[i].value).to.be.equal('Serotonin increase');
+    }
+    expect(await targetToken.getProperties()).to.be.empty;
   });
 
-  it('Changes properties of a nested token according to permissions', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-      const token = await createItemExpectSuccess(alice, collection, 'NFT');
-      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, token)});
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-      await transferExpectSuccess(collection, token, alice, charlie);
+  itSub('Changes properties of a nested token according to permissions', async ({helper}) =>  {
+    const collectionA = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const collectionB = await helper.nft.mintCollection(alice);
+    const targetToken = await collectionA.mintToken(alice);
+    const nestedToken = await collectionB.mintToken(alice, targetToken.nestingAccount());
 
-      const propertyKeys: string[] = [];
-      let i = 0;
-      for (const permission of permissions) {
-        if (!permission.permission.mutable) continue;
-        
-        for (const signer of permission.signers) {
-          const key = i + '_' + signer.address;
-          propertyKeys.push(key);
+    await collectionB.addAdmin(alice, {Substrate: bob.address});
+    await targetToken.transfer(alice, {Substrate: charlie.address});
 
-          await expect(executeTransaction(
-            api, 
-            alice, 
-            api.tx.unique.setTokenPropertyPermissions(collection, [{key: key, permission: permission.permission}]), 
-          ), `on setting permission ${i} by ${signer.address}`).to.not.be.rejected;
+    const propertyKeys: string[] = [];
+    let i = 0;
+    for (const permission of permissions) {
+      i++;
+      if (!permission.permission.mutable) continue;
+      
+      let j = 0;
+      for (const signer of permission.signers) {
+        j++;
+        const key = i + '_' + signer.address;
+        propertyKeys.push(key);
 
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, nestedToken, [{key: key, value: 'Serotonin increase'}]), 
-          ), `on adding property ${i} by ${signer.address}`).to.not.be.rejected;
+        await expect(
+          nestedToken.collection.setTokenPropertyPermissions(alice, [{key: key, permission: permission.permission}]), 
+          `on setting permission #${i} by alice`,
+        ).to.be.fulfilled;
 
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, nestedToken, [{key: key, value: 'Serotonin stable'}]), 
-          ), `on changing property ${i} by ${signer.address}`).to.not.be.rejected;
-        }
+        await expect(
+          nestedToken.setProperties(signer, [{key, value: 'Serotonin increase'}]), 
+          `on adding property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
 
-        i++;
+        await expect(
+          nestedToken.setProperties(signer, [{key, value: 'Serotonin stable'}]), 
+          `on changing property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
       }
+    }
 
-      const properties = (await api.rpc.unique.tokenProperties(collection, nestedToken, propertyKeys)).toHuman() as any[];
-      const tokensData = (await api.rpc.unique.tokenData(collection, nestedToken, propertyKeys)).toHuman().properties as any[];
-      for (let i = 0; i < properties.length; i++) {
-        expect(properties[i].value).to.be.equal('Serotonin stable');
-        expect(tokensData[i].value).to.be.equal('Serotonin stable');
-      }
-    });
+    const properties = await nestedToken.getProperties(propertyKeys);
+    const tokenData = await nestedToken.getData();
+    for (let i = 0; i < properties.length; i++) {
+      expect(properties[i].value).to.be.equal('Serotonin stable');
+      expect(tokenData!.properties[i].value).to.be.equal('Serotonin stable');
+    }
+    expect(await targetToken.getProperties()).to.be.empty;
   });
 
-  it('Deletes properties of a nested token according to permissions', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-      const token = await createItemExpectSuccess(alice, collection, 'NFT');
-      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, token)});
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-      await transferExpectSuccess(collection, token, alice, charlie);
+  itSub('Deletes properties of a nested token according to permissions', async ({helper}) =>  {
+    const collectionA = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const collectionB = await helper.nft.mintCollection(alice);
+    const targetToken = await collectionA.mintToken(alice);
+    const nestedToken = await collectionB.mintToken(alice, targetToken.nestingAccount());
 
-      const propertyKeys: string[] = [];
-      let i = 0;
+    await collectionB.addAdmin(alice, {Substrate: bob.address});
+    await targetToken.transfer(alice, {Substrate: charlie.address});
 
-      for (const permission of permissions) {
-        if (!permission.permission.mutable) continue;
-        
-        for (const signer of permission.signers) {
-          const key = i + '_' + signer.address;
-          propertyKeys.push(key);
+    const propertyKeys: string[] = [];
+    let i = 0;
+    for (const permission of permissions) {
+      i++;
+      if (!permission.permission.mutable) continue;
+      
+      let j = 0;
+      for (const signer of permission.signers) {
+        j++;
+        const key = i + '_' + signer.address;
+        propertyKeys.push(key);
 
-          await expect(executeTransaction(
-            api, 
-            alice, 
-            api.tx.unique.setTokenPropertyPermissions(collection, [{key: key, permission: permission.permission}]), 
-          ), `on setting permission ${i} by ${signer.address}`).to.not.be.rejected;
+        await expect(
+          nestedToken.collection.setTokenPropertyPermissions(alice, [{key: key, permission: permission.permission}]), 
+          `on setting permission #${i} by alice`,
+        ).to.be.fulfilled;
 
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.setTokenProperties(collection, nestedToken, [{key: key, value: 'Serotonin increase'}]), 
-          ), `on adding property ${i} by ${signer.address}`).to.not.be.rejected;
+        await expect(
+          nestedToken.setProperties(signer, [{key, value: 'Serotonin increase'}]), 
+          `on adding property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
 
-          await expect(executeTransaction(
-            api, 
-            signer, 
-            api.tx.unique.deleteTokenProperties(collection, nestedToken, [key]), 
-          ), `on deleting property ${i} by ${signer.address}`).to.not.be.rejected;
-        }
-        
-        i++;
+        await expect(
+          nestedToken.deleteProperties(signer, [key]), 
+          `on deleting property #${i} by signer #${j}`,
+        ).to.be.fulfilled;
       }
+    }
 
-      const properties = (await api.rpc.unique.tokenProperties(collection, nestedToken, propertyKeys)).toJSON() as any[];
-      expect(properties).to.be.empty;
-      const tokensData = (await api.rpc.unique.tokenData(collection, nestedToken, propertyKeys)).toJSON().properties as any[];
-      expect(tokensData).to.be.empty;
-      expect((await api.query.nonfungible.tokenProperties(collection, nestedToken)).toJSON().consumedSpace).to.be.equal(0);
-    });
+    expect(await nestedToken.getProperties(propertyKeys)).to.be.empty;
+    expect((await nestedToken.getData())!.properties).to.be.empty;
+    expect(await targetToken.getProperties()).to.be.empty;
   });
 });
 
 describe('Negative Integration Test: Token Properties', () => {
-  let collection: number;
-  let token: number;
-  let originalSpace: number;
+  let alice: IKeyringPair; // collection owner
+  let bob: IKeyringPair; // collection admin
+  let charlie: IKeyringPair; // token owner
+
   let constitution: {permission: any, signers: IKeyringPair[], sinner: IKeyringPair}[];
 
   before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
-      charlie = privateKeyWrapper('//Charlie');
-      const dave = privateKeyWrapper('//Dave');
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      let dave: IKeyringPair;
+      [alice, bob, charlie, dave] = await helper.arrange.createAccounts([100n, 100n, 100n, 100n], donor);
 
+      // todo:playgrounds probably separate these tests later
       constitution = [
         {permission: {mutable: true, collectionAdmin: true}, signers: [alice, bob], sinner: charlie},
         {permission: {mutable: false, collectionAdmin: true}, signers: [alice, bob], sinner: charlie},
@@ -1010,278 +794,255 @@
     });
   });
 
-  async function prepare(mode: CollectionMode, pieces: number) {
-    collection = await createCollectionExpectSuccess({mode: mode});
-    token = await createItemExpectSuccess(alice, collection, mode.type);
-    await addCollectionAdminExpectSuccess(alice, collection, bob.address);
-    await transferExpectSuccess(collection, token, alice, charlie, pieces, mode.type);
-        
-    await usingApi(async api => {
-      let i = 0;
-      for (const passage of constitution) {
-        const signer = passage.signers[0];
-        
-        await expect(executeTransaction(
-          api, 
-          alice, 
-          api.tx.unique.setTokenPropertyPermissions(collection, [{key: `${i}`, permission: passage.permission}]), 
-        ), `on setting permission ${i} by ${signer.address}`).to.not.be.rejected;
-  
-        await expect(executeTransaction(
-          api, 
-          signer, 
-          api.tx.unique.setTokenProperties(collection, token, [{key: `${i}`, value: 'Serotonin increase'}]), 
-        ), `on adding property ${i} by ${signer.address}`).to.not.be.rejected;
-  
-        i++;
-      }
-  
-      originalSpace = (await api.query.nonfungible.tokenProperties(collection, token)).toJSON().consumedSpace as number;
-    }); 
+  async function getConsumedSpace(api: any, collectionId: number, tokenId: number, mode: 'NFT' | 'RFT'): Promise<number> {
+    return (await (mode == 'NFT' ? api.query.nonfungible : api.query.refungible).tokenProperties(collectionId, tokenId)).toJSON().consumedSpace;
+  }
+
+  async function prepare(token: UniqueNFToken | UniqueRFToken, pieces: bigint): Promise<number> {
+    await token.collection.addAdmin(alice, {Substrate: bob.address});
+    await token.transfer(alice, {Substrate: charlie.address}, pieces);
+
+    let i = 0;
+    for (const passage of constitution) {
+      i++;
+      const signer = passage.signers[0];
+      
+      await expect(
+        token.collection.setTokenPropertyPermissions(alice, [{key: `${i}`, permission: passage.permission}]), 
+        `on setting permission ${i} by alice`,
+      ).to.be.fulfilled;
+
+      await expect(
+        token.setProperties(signer, [{key: `${i}`, value: 'Serotonin increase'}]), 
+        `on adding property ${i} by ${signer.address}`,
+      ).to.be.fulfilled;
+    }
+
+    const originalSpace = await getConsumedSpace(token.collection.helper.api, token.collectionId, token.tokenId, pieces == 1n ? 'NFT' : 'RFT'); 
+    return originalSpace;
   }
 
-  async function testForbidsChangingDeletingPropertiesUserOutsideOfPermissions(mode: CollectionMode, pieces: number) {
-    await prepare(mode, pieces);
-  
-    await usingApi(async api => {
-      let i = -1;
-      for (const forbiddance of constitution) {
-        i++;
-        if (!forbiddance.permission.mutable) continue;
-  
-        await expect(executeTransaction(
-          api, 
-          forbiddance.sinner, 
-          api.tx.unique.setTokenProperties(collection, token, [{key: `${i}`, value: 'Serotonin down'}]), 
-        ), `on failing to change property ${i} by ${forbiddance.sinner.address}`).to.be.rejectedWith(/common\.NoPermission/);
-  
-        await expect(executeTransaction(
-          api, 
-          forbiddance.sinner, 
-          api.tx.unique.deleteTokenProperties(collection, token, [`${i}`]), 
-        ), `on failing to delete property ${i} by ${forbiddance.sinner.address}`).to.be.rejectedWith(/common\.NoPermission/);
-      }
-  
-      const properties = (await api.query.nonfungible.tokenProperties(collection, token)).toJSON();
-      expect(properties.consumedSpace).to.be.equal(originalSpace);
-    });
+  async function testForbidsChangingDeletingPropertiesUserOutsideOfPermissions(token: UniqueNFToken | UniqueRFToken, pieces: bigint) {
+    const originalSpace = await prepare(token, pieces);
+
+    let i = 0;
+    for (const forbiddance of constitution) {
+      i++;
+      if (!forbiddance.permission.mutable) continue;
+
+      await expect(
+        token.setProperties(forbiddance.sinner, [{key: `${i}`, value: 'Serotonin down'}]), 
+        `on failing to change property ${i} by the malefactor`,
+      ).to.be.rejectedWith(/common\.NoPermission/);
+
+      await expect(
+        token.deleteProperties(forbiddance.sinner, [`${i}`]), 
+        `on failing to delete property ${i} by the malefactor`,
+      ).to.be.rejectedWith(/common\.NoPermission/);
+    }
+
+    const consumedSpace = await getConsumedSpace(token.collection.helper.api, token.collectionId, token.tokenId, pieces == 1n ? 'NFT' : 'RFT'); 
+    expect(consumedSpace).to.be.equal(originalSpace);
   }
-  it('Forbids changing/deleting properties of a token if the user is outside of permissions (NFT)', async () => {
-    await testForbidsChangingDeletingPropertiesUserOutsideOfPermissions({type: 'NFT'}, 1);
+
+  itSub('Forbids changing/deleting properties of a token if the user is outside of permissions (NFT)', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testForbidsChangingDeletingPropertiesUserOutsideOfPermissions(token, 1n);
   });
-  it('Forbids changing/deleting properties of a token if the user is outside of permissions (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testForbidsChangingDeletingPropertiesUserOutsideOfPermissions({type: 'ReFungible'}, 100);
+  itSub.ifWithPallets('Forbids changing/deleting properties of a token if the user is outside of permissions (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    await testForbidsChangingDeletingPropertiesUserOutsideOfPermissions(token, 100n);
   });
 
-  async function testForbidsChangingDeletingPropertiesIfPropertyImmutable(mode: CollectionMode, pieces: number) {
-    await prepare(mode, pieces);
-    
-    await usingApi(async api => {
-      let i = -1;
-      for (const permission of constitution) {
-        i++;
-        if (permission.permission.mutable) continue;
+  async function testForbidsChangingDeletingPropertiesIfPropertyImmutable(token: UniqueNFToken | UniqueRFToken, pieces: bigint) {
+    const originalSpace = await prepare(token, pieces);
+
+    let i = 0;
+    for (const permission of constitution) {
+      i++;
+      if (permission.permission.mutable) continue;
+
+      await expect(
+        token.setProperties(permission.signers[0], [{key: `${i}`, value: 'Serotonin down'}]), 
+        `on failing to change property ${i} by signer #0`,
+      ).to.be.rejectedWith(/common\.NoPermission/);
+
+      await expect(
+        token.deleteProperties(permission.signers[0], [i.toString()]), 
+        `on failing to delete property ${i} by signer #0`,
+      ).to.be.rejectedWith(/common\.NoPermission/);
+    }
   
-        await expect(executeTransaction(
-          api, 
-          permission.signers[0], 
-          api.tx.unique.setTokenProperties(collection, token, [{key: `${i}`, value: 'Serotonin down'}]), 
-        ), `on failing to change property ${i} by ${permission.signers[0].address}`).to.be.rejectedWith(/common\.NoPermission/);
-  
-        await expect(executeTransaction(
-          api, 
-          permission.signers[0], 
-          api.tx.unique.deleteTokenProperties(collection, token, [i.toString()]), 
-        ), `on failing to delete property ${i} by ${permission.signers[0].address}`).to.be.rejectedWith(/common\.NoPermission/);
-      }
-  
-      const properties = (await api.query.nonfungible.tokenProperties(collection, token)).toJSON();
-      expect(properties.consumedSpace).to.be.equal(originalSpace);
-    });  
+    const consumedSpace = await getConsumedSpace(token.collection.helper.api, token.collectionId, token.tokenId, pieces == 1n ? 'NFT' : 'RFT'); 
+    expect(consumedSpace).to.be.equal(originalSpace);
   }
-  it('Forbids changing/deleting properties of a token if the property is permanent (immutable) (NFT)', async () => {
-    await testForbidsChangingDeletingPropertiesIfPropertyImmutable({type: 'NFT'}, 1);
+
+  itSub('Forbids changing/deleting properties of a token if the property is permanent (immutable) (NFT)', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testForbidsChangingDeletingPropertiesIfPropertyImmutable(token, 1n);
   });
-  it('Forbids changing/deleting properties of a token if the property is permanent (immutable) (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testForbidsChangingDeletingPropertiesIfPropertyImmutable({type: 'ReFungible'}, 100);
+  itSub.ifWithPallets('Forbids changing/deleting properties of a token if the property is permanent (immutable) (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    await testForbidsChangingDeletingPropertiesIfPropertyImmutable(token, 100n);
   });
 
-  async function testForbidsAddingPropertiesIfPropertyNotDeclared(mode: CollectionMode, pieces: number) {
-    await prepare(mode, pieces);
+  async function testForbidsAddingPropertiesIfPropertyNotDeclared(token: UniqueNFToken | UniqueRFToken, pieces: bigint) {
+    const originalSpace = await prepare(token, pieces);
+
+    await expect(
+      token.setProperties(alice, [{key: 'non-existent', value: 'I exist!'}]), 
+      'on failing to add a previously non-existent property',
+    ).to.be.rejectedWith(/common\.NoPermission/);
+      
+    await expect(
+      token.collection.setTokenPropertyPermissions(alice, [{key: 'now-existent', permission: {}}]), 
+      'on setting a new non-permitted property',
+    ).to.be.fulfilled;
+
+    await expect(
+      token.setProperties(alice, [{key: 'now-existent', value: 'I exist!'}]), 
+      'on failing to add a property forbidden by the \'None\' permission',
+    ).to.be.rejectedWith(/common\.NoPermission/);
 
-    await usingApi(async api => {
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenProperties(collection, token, [{key: 'non-existent', value: 'I exist!'}]), 
-      ), 'on failing to add a previously non-existent property').to.be.rejectedWith(/common\.NoPermission/);
-        
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'now-existent', permission: {}}]), 
-      ), 'on setting a new non-permitted property').to.not.be.rejected;
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenProperties(collection, token, [{key: 'now-existent', value: 'I exist!'}]), 
-      ), 'on failing to add a property forbidden by the \'None\' permission').to.be.rejectedWith(/common\.NoPermission/);
-  
-      expect((await api.rpc.unique.tokenProperties(collection, token, ['non-existent', 'now-existent'])).toJSON()).to.be.empty;
-      const properties = (await api.query.nonfungible.tokenProperties(collection, token)).toJSON();
-      expect(properties.consumedSpace).to.be.equal(originalSpace);
-    });
+    expect(await token.getProperties(['non-existent', 'now-existent'])).to.be.empty;
+      
+    const consumedSpace = await getConsumedSpace(token.collection.helper.api, token.collectionId, token.tokenId, pieces == 1n ? 'NFT' : 'RFT'); 
+    expect(consumedSpace).to.be.equal(originalSpace);
   }
-  it('Forbids adding properties to a token if the property is not declared / forbidden with the \'None\' permission (NFT)', async () => {
-    await testForbidsAddingPropertiesIfPropertyNotDeclared({type: 'NFT'}, 1);
+
+  itSub('Forbids adding properties to a token if the property is not declared / forbidden with the \'None\' permission (NFT)', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testForbidsAddingPropertiesIfPropertyNotDeclared(token, 1n);
   });
-  it('Forbids adding properties to a token if the property is not declared / forbidden with the \'None\' permission (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testForbidsAddingPropertiesIfPropertyNotDeclared({type: 'ReFungible'}, 100);
+  itSub.ifWithPallets('Forbids adding properties to a token if the property is not declared / forbidden with the \'None\' permission (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    await testForbidsAddingPropertiesIfPropertyNotDeclared(token, 100n);
   });
 
-  async function testForbidsAddingTooManyProperties(mode: CollectionMode, pieces: number) {
-    await prepare(mode, pieces);
+  async function testForbidsAddingTooManyProperties(token: UniqueNFToken | UniqueRFToken, pieces: bigint) {
+    const originalSpace = await prepare(token, pieces);
+
+    await expect(
+      token.collection.setTokenPropertyPermissions(alice, [
+        {key: 'a_holy_book', permission: {collectionAdmin: true, tokenOwner: true}}, 
+        {key: 'young_years', permission: {collectionAdmin: true, tokenOwner: true}},
+      ]), 
+      'on setting new permissions for properties',
+    ).to.be.fulfilled;
+
+    // Mute the general tx parsing error
+    {
+      console.error = () => {};
+      await expect(token.setProperties(alice, [{key: 'a_holy_book', value: 'word '.repeat(6554)}]))
+        .to.be.rejected;
+    }
 
-    await usingApi(async api => {
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [
-          {key: 'a_holy_book', permission: {collectionAdmin: true, tokenOwner: true}}, 
-          {key: 'young_years', permission: {collectionAdmin: true, tokenOwner: true}},
-        ]), 
-      ), 'on setting a new non-permitted property').to.not.be.rejected;
+    await expect(token.setProperties(alice, [
+      {key: 'a_holy_book', value: 'word '.repeat(3277)}, 
+      {key: 'young_years', value: 'neverending'.repeat(1490)},
+    ])).to.be.rejectedWith(/common\.NoSpaceForProperty/);
   
-      // Mute the general tx parsing error
-      {
-        console.error = () => {};
-        await expect(executeTransaction(
-          api, 
-          alice, 
-          api.tx.unique.setCollectionProperties(collection, [{key: 'a_holy_book', value: 'word '.repeat(6554)}]), 
-        )).to.be.rejected;
-      }
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenProperties(collection, token, [
-          {key: 'a_holy_book', value: 'word '.repeat(3277)}, 
-          {key: 'young_years', value: 'neverending'.repeat(1490)},
-        ]), 
-      )).to.be.rejectedWith(/common\.NoSpaceForProperty/);
-  
-      expect((await api.rpc.unique.tokenProperties(collection, token, ['a_holy_book', 'young_years'])).toJSON()).to.be.empty;
-      const propertiesMap = (await api.query.nonfungible.tokenProperties(collection, token)).toJSON();
-      expect(propertiesMap.consumedSpace).to.be.equal(originalSpace);
-    });
+    expect(await token.getProperties(['a_holy_book', 'young_years'])).to.be.empty;
+    const consumedSpace = await getConsumedSpace(token.collection.helper.api, token.collectionId, token.tokenId, pieces == 1n ? 'NFT' : 'RFT'); 
+    expect(consumedSpace).to.be.equal(originalSpace);
   }
-  it('Forbids adding too many properties to a token (NFT)', async () => {
-    await testForbidsAddingTooManyProperties({type: 'NFT'}, 1);
+
+  itSub('Forbids adding too many properties to a token (NFT)', async ({helper}) =>  {
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+    await testForbidsAddingTooManyProperties(token, 1n);
   });
-  it('Forbids adding too many properties to a token (ReFungible)', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
 
-    await testForbidsAddingTooManyProperties({type: 'ReFungible'}, 100);
+  itSub.ifWithPallets('Forbids adding too many properties to a token (ReFungible)', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    await testForbidsAddingTooManyProperties(token, 100n);
   });
 });
 
 describe('ReFungible token properties permissions tests', () => {
-  let collection: number;
-  let token: number;
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+  let charlie: IKeyringPair;
 
   before(async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
+    await usingPlaygrounds(async (helper, privateKey) => {
+      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
-      charlie = privateKeyWrapper('//Charlie');
+      const donor = privateKey('//Alice');
+      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
   });
 
-  beforeEach(async () => {
-    await usingApi(async api => {
-      collection = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
-      token = await createItemExpectSuccess(alice, collection, 'ReFungible');
-      await addCollectionAdminExpectSuccess(alice, collection, bob.address);
+  async function prepare(helper: UniqueHelper): Promise<UniqueRFToken> {
+    const collection = await helper.rft.mintCollection(alice);
+    const token = await collection.mintToken(alice, 100n);
+    
+    await collection.addAdmin(alice, {Substrate: bob.address});
+    await collection.setTokenPropertyPermissions(alice, [{key: 'fractals', permission: {mutable: true, tokenOwner: true}}]);
+    
+    return token;
+  }
+
+  itSub('Forbids adding token property with tokenOwner==true when signer doesn\'t have all pieces', async ({helper}) =>  {
+    const token = await prepare(helper);
+
+    await token.transfer(alice, {Substrate: charlie.address}, 33n);
 
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'key', permission: {mutable:true, tokenOwner: true}}]), 
-      )).to.not.be.rejected;
-    });
+    await expect(token.setProperties(alice, [
+      {key: 'fractals', value: 'multiverse'}, 
+    ])).to.be.rejectedWith(/common\.NoPermission/);
   });
 
-  it('Forbids add token property with tokenOwher==true but signer have\'t all pieces', async () => {
-    await usingApi(async api => {
-      await transferExpectSuccess(collection, token, alice, charlie, 33, 'ReFungible');
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenProperties(collection, token, [
-          {key: 'key', value: 'word'}, 
-        ]), 
-      )).to.be.rejectedWith(/common\.NoPermission/);
-    });
+  itSub('Forbids mutating token property with tokenOwher==true when signer doesn\'t have all pieces', async ({helper}) =>  {
+    const token = await prepare(helper);
+
+    await expect(token.collection.setTokenPropertyPermissions(alice, [{key: 'fractals', permission: {mutable:true, tokenOwner: true}}]))
+      .to.be.fulfilled;
+
+    await expect(token.setProperties(alice, [
+      {key: 'fractals', value: 'multiverse'}, 
+    ])).to.be.fulfilled;
+
+    await token.transfer(alice, {Substrate: charlie.address}, 33n);
+
+    await expect(token.setProperties(alice, [
+      {key: 'fractals', value: 'want to rule the world'}, 
+    ])).to.be.rejectedWith(/common\.NoPermission/);
   });
 
-  it('Forbids mutate token property with tokenOwher==true but signer have\'t all pieces', async () => {
-    await usingApi(async api => {
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenPropertyPermissions(collection, [{key: 'key', permission: {mutable:true, tokenOwner: true}}]), 
-      )).to.not.be.rejected;
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenProperties(collection, token, [
-          {key: 'key', value: 'word'}, 
-        ]), 
-      )).to.be.not.rejected;
+  itSub('Forbids deleting token property with tokenOwner==true when signer doesn\'t have all pieces', async ({helper}) =>  {
+    const token = await prepare(helper);
+
+    await expect(token.setProperties(alice, [
+      {key: 'fractals', value: 'one headline - why believe it'}, 
+    ])).to.be.fulfilled;
+
+    await token.transfer(alice, {Substrate: charlie.address}, 33n);
 
-      await transferExpectSuccess(collection, token, alice, charlie, 33, 'ReFungible');
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenProperties(collection, token, [
-          {key: 'key', value: 'bad word'}, 
-        ]), 
-      )).to.be.rejectedWith(/common\.NoPermission/);
-    });
+    await expect(token.deleteProperties(alice, ['fractals'])).
+      to.be.rejectedWith(/common\.NoPermission/);
   });
 
-  it('Forbids delete token property with tokenOwher==true but signer have\'t all pieces', async () => {
-    await usingApi(async api => {
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.setTokenProperties(collection, token, [
-          {key: 'key', value: 'word'}, 
-        ]), 
-      )).to.be.not.rejected;
+  itSub('Allows token property mutation with collectionOwner==true when admin doesn\'t have all pieces', async ({helper}) =>  {
+    const token = await prepare(helper);
 
-      await transferExpectSuccess(collection, token, alice, charlie, 33, 'ReFungible');
-  
-      await expect(executeTransaction(
-        api, 
-        alice, 
-        api.tx.unique.deleteTokenProperties(collection, token, [
-          'key',
-        ]), 
-      )).to.be.rejectedWith(/common\.NoPermission/);
-    });
+    await token.transfer(alice, {Substrate: charlie.address}, 33n);
+
+    await expect(token.collection.setTokenPropertyPermissions(alice, [{key: 'fractals', permission: {mutable:true, collectionAdmin: true}}]))
+      .to.be.fulfilled;
+
+    await expect(token.setProperties(alice, [
+      {key: 'fractals', value: 'multiverse'}, 
+    ])).to.be.fulfilled;
   });
 });
deletedtests/src/nesting/rules-smoke.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/rules-smoke.test.ts
+++ /dev/null
@@ -1,63 +0,0 @@
-import {expect} from 'chai';
-import {tokenIdToAddress} from '../eth/util/helpers';
-import usingApi, {executeTransaction} from '../substrate/substrate-api';
-import {createCollectionExpectSuccess, createFungibleItemExpectSuccess, createItemExpectSuccess, CrossAccountId, getCreateCollectionResult, requirePallets, Pallets} from '../util/helpers';
-import {IKeyringPair} from '@polkadot/types/types';
-
-describe('nesting check', () => {
-  let alice!: IKeyringPair;
-  let nestTarget!: CrossAccountId;
-  before(async() => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      const bob = privateKeyWrapper('//Bob');
-      const events = await executeTransaction(api, alice, api.tx.unique.createCollectionEx({
-        mode: 'NFT',
-        permissions: {
-          nesting: {tokenOwner: true, restricted: []},
-        },
-      }));
-      const collection = getCreateCollectionResult(events).collectionId;
-      const token = await createItemExpectSuccess(alice, collection, 'NFT', {Substrate: bob.address});
-      nestTarget = {Ethereum: tokenIdToAddress(collection, token)};
-    });
-  });
-
-  it('called for fungible', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'Fungible',decimalPoints:0}});
-      await expect(executeTransaction(api, alice, api.tx.unique.createItem(collection, nestTarget, {Fungible: {Value: 1}})))
-        .to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);
-
-      await createFungibleItemExpectSuccess(alice, collection, {Value:1n}, {Substrate: alice.address});
-      await expect(executeTransaction(api, alice, api.tx.unique.transfer(nestTarget, collection, 0, 1n)))
-        .to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);
-    });
-  });
-
-  it('called for nonfungible', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await expect(executeTransaction(api, alice, api.tx.unique.createItem(collection, nestTarget, {NFT: {properties: []}})))
-        .to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);
-
-      const token = await createItemExpectSuccess(alice, collection, 'NFT', {Substrate: alice.address});
-      await expect(executeTransaction(api, alice, api.tx.unique.transfer(nestTarget, collection, token, 1n)))
-        .to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);
-    });
-  });
-
-  it('called for refungible', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
-
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
-      await expect(executeTransaction(api, alice, api.tx.unique.createItem(collection, nestTarget, {ReFungible: {}})))
-        .to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);
-
-      const token = await createItemExpectSuccess(alice, collection, 'ReFungible', {Substrate: alice.address});
-      await expect(executeTransaction(api, alice, api.tx.unique.transfer(nestTarget, collection, token, 1n)))
-        .to.be.rejectedWith(/^common\.UserIsNotAllowedToNest$/);
-    });
-  });
-});
modifiedtests/src/nesting/unnest.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/unnest.test.ts
+++ b/tests/src/nesting/unnest.test.ts
@@ -1,162 +1,126 @@
-import {expect} from 'chai';
-import {tokenIdToAddress} from '../eth/util/helpers';
-import usingApi, {executeTransaction} from '../substrate/substrate-api';
-import {
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  getBalance,
-  getTokenOwner,
-  normalizeAccountId,
-  setCollectionPermissionsExpectSuccess,
-  transferExpectSuccess,
-  transferFromExpectSuccess,
-  requirePallets,
-  Pallets,
-} from '../util/helpers';
+// 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 {IKeyringPair} from '@polkadot/types/types';
+import {expect, itSub, Pallets, usingPlaygrounds} from '../util/playgrounds';
 
-let alice: IKeyringPair;
-let bob: IKeyringPair;
+describe('Integration Test: Unnesting', () => {
+  let alice: IKeyringPair;
 
-describe('Integration Test: Unnesting', () => {
   before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice] = await helper.arrange.createAccounts([50n], donor);
     });
   });
 
-  it('NFT: allows the owner to successfully unnest a token', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');
-      const targetAddress = {Ethereum: tokenIdToAddress(collection, targetToken)};
-
-      // Create a nested token
-      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', targetAddress);
+  itSub('NFT: allows the owner to successfully unnest a token', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const targetToken = await collection.mintToken(alice);
+    
+    // Create a nested token
+    const nestedToken = await collection.mintToken(alice, targetToken.nestingAccount());
 
-      // Unnest
-      await expect(executeTransaction(
-        api,
-        alice,
-        api.tx.unique.transferFrom(normalizeAccountId(targetAddress), normalizeAccountId(alice), collection, nestedToken, 1),
-      ), 'while unnesting').to.not.be.rejected;
-      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});
+    // Unnest
+    await expect(nestedToken.transferFrom(alice, targetToken.nestingAccount(), {Substrate: alice.address}), 'while unnesting').to.be.fulfilled;
+    expect(await nestedToken.getOwner()).to.be.deep.equal({Substrate: alice.address});
 
-      // Nest and burn
-      await transferExpectSuccess(collection, nestedToken, alice, targetAddress);
-      await expect(executeTransaction(
-        api,
-        alice,
-        api.tx.unique.burnFrom(collection, normalizeAccountId(targetAddress), nestedToken, 1),
-      ), 'while burning').to.not.be.rejected;
-      await expect(getTokenOwner(api, collection, nestedToken)).to.be.rejected;
-    });
+    // Nest and burn
+    await nestedToken.nest(alice, targetToken);
+    await expect(nestedToken.burnFrom(alice, targetToken.nestingAccount()), 'while burning').to.be.fulfilled;
+    await expect(nestedToken.getOwner()).to.be.rejected;
   });
 
-  it('Fungible: allows the owner to successfully unnest a token', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');
-      const targetAddress = {Ethereum: tokenIdToAddress(collection, targetToken)};
+  itSub('Fungible: allows the owner to successfully unnest a token', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const targetToken = await collection.mintToken(alice);
 
-      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
-      const nestedToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');
+    const collectionFT = await helper.ft.mintCollection(alice);
+    
+    // Nest and unnest
+    await collectionFT.mint(alice, 10n, targetToken.nestingAccount());
+    await expect(collectionFT.transferFrom(alice, targetToken.nestingAccount(), {Substrate: alice.address}, 9n), 'while unnesting').to.be.fulfilled;
+    expect(await collectionFT.getBalance({Substrate: alice.address})).to.be.equal(9n);
+    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(1n);
 
-      // Nest and unnest
-      await transferExpectSuccess(collectionFT, nestedToken, alice, targetAddress, 1, 'Fungible');
-      await transferFromExpectSuccess(collectionFT, nestedToken, alice, targetAddress, alice, 1, 'Fungible');
-
-      // Nest and burn
-      await transferExpectSuccess(collectionFT, nestedToken, alice, targetAddress, 1, 'Fungible');
-      const balanceBefore = await getBalance(api, collectionFT, normalizeAccountId(targetAddress), nestedToken);
-      await expect(executeTransaction(
-        api,
-        alice,
-        api.tx.unique.burnFrom(collectionFT, normalizeAccountId(targetAddress), nestedToken, 1),
-      ), 'while burning').to.not.be.rejected;
-      const balanceAfter = await getBalance(api, collectionFT, normalizeAccountId(targetAddress), nestedToken);
-      expect(balanceAfter + BigInt(1)).to.be.equal(balanceBefore);
-    });
+    // Nest and burn
+    await collectionFT.transfer(alice, targetToken.nestingAccount(), 5n);
+    await expect(collectionFT.burnTokensFrom(alice, targetToken.nestingAccount(), 6n), 'while burning').to.be.fulfilled;
+    expect(await collectionFT.getBalance({Substrate: alice.address})).to.be.equal(4n);
+    expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(0n);
+    expect(await targetToken.getChildren()).to.be.length(0);
   });
 
-  it('ReFungible: allows the owner to successfully unnest a token', async function() {
-    await requirePallets(this, [Pallets.ReFungible]);
+  itSub.ifWithPallets('ReFungible: allows the owner to successfully unnest a token', [Pallets.ReFungible], async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const targetToken = await collection.mintToken(alice);
 
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');
-      const targetAddress = {Ethereum: tokenIdToAddress(collection, targetToken)};
-
-      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
-      const nestedToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');
-
-      // Nest and unnest
-      await transferExpectSuccess(collectionRFT, nestedToken, alice, targetAddress, 1, 'ReFungible');
-      await transferFromExpectSuccess(collectionRFT, nestedToken, alice, targetAddress, alice, 1, 'ReFungible');
+    const collectionRFT = await helper.rft.mintCollection(alice);
+    
+    // Nest and unnest
+    const token = await collectionRFT.mintToken(alice, 10n, targetToken.nestingAccount());
+    await expect(token.transferFrom(alice, targetToken.nestingAccount(), {Substrate: alice.address}, 9n), 'while unnesting').to.be.fulfilled;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(9n);
+    expect(await token.getBalance(targetToken.nestingAccount())).to.be.equal(1n);
 
-      // Nest and burn
-      await transferExpectSuccess(collectionRFT, nestedToken, alice, targetAddress, 1, 'ReFungible');
-      await expect(executeTransaction(
-        api,
-        alice,
-        api.tx.unique.burnFrom(collectionRFT, normalizeAccountId(targetAddress), nestedToken, 1),
-      ), 'while burning').to.not.be.rejected;
-      const balance = await getBalance(api, collectionRFT, normalizeAccountId(targetAddress), nestedToken);
-      expect(balance).to.be.equal(0n);
-    });
+    // Nest and burn
+    await token.transfer(alice, targetToken.nestingAccount(), 5n);
+    await expect(token.burnFrom(alice, targetToken.nestingAccount(), 6n), 'while burning').to.be.fulfilled;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(4n);
+    expect(await token.getBalance(targetToken.nestingAccount())).to.be.equal(0n);
+    expect(await targetToken.getChildren()).to.be.length(0);
   });
 });
 
 describe('Negative Test: Unnesting', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
   before(async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      alice = privateKeyWrapper('//Alice');
-      bob = privateKeyWrapper('//Bob');
+    await usingPlaygrounds(async (helper, privateKey) => {
+      const donor = privateKey('//Alice');
+      [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
 
-  it('Disallows a non-owner to unnest/burn a token', async () => {
-    await usingApi(async api => {
-      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');
-      const targetAddress = {Ethereum: tokenIdToAddress(collection, targetToken)};
+  itSub('Disallows a non-owner to unnest/burn a token', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const targetToken = await collection.mintToken(alice);
 
-      // Create a nested token
-      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', targetAddress);
+    // Create a nested token
+    const nestedToken = await collection.mintToken(alice, targetToken.nestingAccount());
 
-      // Try to unnest
-      await expect(executeTransaction(
-        api,
-        bob,
-        api.tx.unique.transferFrom(normalizeAccountId(targetAddress), normalizeAccountId(bob), collection, nestedToken, 1),
-      ), 'while unnesting').to.be.rejectedWith(/^common\.ApprovedValueTooLow$/);
-      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});
+    // Try to unnest
+    await expect(nestedToken.unnest(bob, targetToken, {Substrate: alice.address})).to.be.rejectedWith(/common\.ApprovedValueTooLow/);
+    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());
 
-      // Try to burn
-      await expect(executeTransaction(
-        api,
-        bob,
-        api.tx.unique.burnFrom(collection, normalizeAccountId(bob.address), nestedToken, 1),
-      ), 'while burning').to.not.be.rejectedWith(/^common\.ApprovedValueTooLow$/);
-      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});
-    });
+    // Try to burn
+    await expect(nestedToken.burnFrom(bob, targetToken.nestingAccount())).to.be.rejectedWith(/common\.ApprovedValueTooLow/);
+    expect(await nestedToken.getOwner()).to.be.deep.equal(targetToken.nestingAccountInLowerCase());
   });
 
   // todo another test for creating excessive depth matryoshka with Ethereum?
 
   // Recursive nesting
-  it('Prevents Ouroboros creation', async () => {
-    const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-    await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {tokenOwner: true}});
-    const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');
+  itSub('Prevents Ouroboros creation', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const targetToken = await collection.mintToken(alice);
 
-    // Create a nested token ouroboros
-    const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});
-    await expect(transferExpectSuccess(collection, targetToken, alice, {Ethereum: tokenIdToAddress(collection, nestedToken)})).to.be.rejectedWith(/^structure\.OuroborosDetected$/);
+    // Fail to create a nested token ouroboros
+    const nestedToken = await collection.mintToken(alice, targetToken.nestingAccount());
+    await expect(targetToken.nest(alice, nestedToken)).to.be.rejectedWith(/^structure\.OuroborosDetected$/);
   });
 });
modifiedtests/src/util/playgrounds/index.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/index.ts
+++ b/tests/src/util/playgrounds/index.ts
@@ -9,7 +9,6 @@
 import '../../interfaces/augment-api-events';
 import {DevUniqueHelper, SilentLogger, SilentConsole} from './unique.dev';
 
-
 chai.use(chaiAsPromised);
 export const expect = chai.expect;
 
modifiedtests/src/util/playgrounds/types.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/types.ts
+++ b/tests/src/util/playgrounds/types.ts
@@ -94,15 +94,15 @@
 
 export interface IProperty {
   key: string;
-  value: string;
+  value?: string;
 }
 
 export interface ITokenPropertyPermission {
   key: string;
   permission: {
-    mutable: boolean;
-    tokenOwner: boolean;
-    collectionAdmin: boolean;
+    mutable?: boolean;
+    tokenOwner?: boolean;
+    collectionAdmin?: boolean;
   }
 }
 
modifiedtests/src/util/playgrounds/unique.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/unique.ts
+++ b/tests/src/util/playgrounds/unique.ts
@@ -55,10 +55,18 @@
     RPC: 'rpc',
   };
 
-  static getNestingTokenAddress(collectionId: number, tokenId: number) {
-    return nesting.tokenIdToAddress(collectionId, tokenId);
+  static getTokenAccount(token: IToken): ICrossAccountId {
+    return {Ethereum: this.getTokenAddress(token)};
   }
 
+  static getTokenAccountInLowerCase(token: IToken): ICrossAccountId {
+    return {Ethereum: this.getTokenAddress(token).toLowerCase()};
+  }
+
+  static getTokenAddress(token: IToken): string {
+    return nesting.tokenIdToAddress(token.collectionId, token.tokenId);
+  }
+
   static getDefaultLogger(): ILogger {
     return {
       log(msg: any, level = 'INFO') {
@@ -592,11 +600,7 @@
     const admins = (await this.helper.callRpc('api.rpc.unique.adminlist', [collectionId])).toHuman();
 
     return normalize
-      ? admins.map((address: any) => {
-        return address.Substrate
-          ? {Substrate: this.helper.address.normalizeSubstrate(address.Substrate)}
-          : address;
-      })
+      ? admins.map((address: any) => this.helper.address.normalizeCrossAccountIfSubstrate(address))
       : admins;
   }
 
@@ -610,11 +614,7 @@
   async getAllowList(collectionId: number, normalize = false): Promise<ICrossAccountId[]> {
     const allowListed = (await this.helper.callRpc('api.rpc.unique.allowlist', [collectionId])).toHuman();
     return normalize
-      ? allowListed.map((address: any) => {
-        return address.Substrate
-          ? {Substrate: this.helper.address.normalizeSubstrate(address.Substrate)}
-          : address;
-      })
+      ? allowListed.map((address: any) => this.helper.address.normalizeCrossAccountIfSubstrate(address))
       : allowListed;
   }
 
@@ -897,6 +897,18 @@
   }
 
   /**
+   * Get collection properties.
+   * 
+   * @param collectionId ID of collection
+   * @param propertyKeys optionally filter the returned properties to only these keys
+   * @example getProperties(1219, ['location', 'date', 'time', 'isParadise']);
+   * @returns array of key-value pairs
+   */
+  async getProperties(collectionId: number, propertyKeys: string[] | null = null): Promise<IProperty[]> {
+    return (await this.helper.callRpc('api.rpc.unique.collectionProperties', [collectionId, ...(propertyKeys === null ? [] : [propertyKeys])])).toHuman();
+  }
+
+  /**
    * Deletes onchain properties from the collection.
    *
    * @param signer keyring of signer
@@ -988,13 +1000,13 @@
    *
    * @param signer keyring of signer
    * @param collectionId ID of collection
+   * @param tokenId ID of token
    * @param fromAddressObj address on behalf of which the token will be burnt
-   * @param tokenId ID of token
    * @param amount amount of tokens to be burned. For NFT must be set to 1n
    * @example burnTokenFrom(aliceKeyring, 10, {Substrate: "5DyN4Y92vZCjv38fg..."}, 5, {Ethereum: "0x9F0583DbB85..."})
    * @returns ```true``` if extrinsic success, otherwise ```false```
    */
-  async burnTokenFrom(signer: TSigner, collectionId: number, fromAddressObj: ICrossAccountId, tokenId: number, amount=1n): Promise<boolean> {
+  async burnTokenFrom(signer: TSigner, collectionId: number, tokenId: number, fromAddressObj: ICrossAccountId, amount=1n): Promise<boolean> {
     const burnResult = await this.helper.executeExtrinsic(
       signer,
       'api.tx.unique.burnFrom', [collectionId, fromAddressObj, tokenId, amount],
@@ -1106,7 +1118,7 @@
     if (tokenData === null || tokenData.owner === null) return null;
     const owner = {} as any;
     for (const key of Object.keys(tokenData.owner)) {
-      owner[key.toLocaleLowerCase()] = key.toLocaleLowerCase() === 'substrate' ? this.helper.address.normalizeSubstrate(tokenData.owner[key]) : tokenData.owner[key];
+      owner[key.toLocaleLowerCase()] = this.helper.address.normalizeCrossAccountIfSubstrate(tokenData.owner[key]);
     }
     tokenData.normalizedOwner = crossAccountIdFromLower(owner);
     return tokenData;
@@ -1117,7 +1129,7 @@
    *
    * @param signer keyring of signer
    * @param collectionId ID of collection
-   * @param permissions permissions to change a property by the collection owner or admin
+   * @param permissions permissions to change a property by the collection admin or token owner
    * @example setTokenPropertyPermissions(
    *   aliceKeyring, 10, [{key: "gender", permission: {tokenOwner: true, mutable: true, collectionAdmin: true}}]
    * )
@@ -1134,6 +1146,18 @@
   }
 
   /**
+   * Get token property permissions.
+   * 
+   * @param collectionId ID of collection
+   * @param propertyKeys optionally filter the returned property permissions to only these keys
+   * @example getPropertyPermissions(1219, ['location', 'date', 'time', 'isParadise']);
+   * @returns array of key-permission pairs
+   */
+  async getPropertyPermissions(collectionId: number, propertyKeys: string[] | null = null): Promise<ITokenPropertyPermission[]> {
+    return (await this.helper.callRpc('api.rpc.unique.propertyPermissions', [collectionId, ...(propertyKeys === null ? [] : [propertyKeys])])).toHuman();
+  }
+
+  /**
    * Set token properties
    *
    * @param signer keyring of signer
@@ -1154,6 +1178,19 @@
   }
 
   /**
+   * Get properties, metadata assigned to a token.
+   * 
+   * @param collectionId ID of collection
+   * @param tokenId ID of token
+   * @param propertyKeys optionally filter the returned properties to only these keys
+   * @example getTokenProperties(1219, ['location', 'date', 'time', 'isParadise']);
+   * @returns array of key-value pairs
+   */
+  async getTokenProperties(collectionId: number, tokenId: number, propertyKeys: string[] | null = null): Promise<IProperty[]> {
+    return (await this.helper.callRpc('api.rpc.unique.tokenProperties', [collectionId, tokenId, ...(propertyKeys === null ? [] : [propertyKeys])])).toHuman();
+  }
+
+  /**
    * Delete the provided properties of a token
    * @param signer keyring of signer
    * @param collectionId ID of collection
@@ -1181,7 +1218,7 @@
    * @example mintCollection(aliceKeyring, {name: 'New', description: "New collection", tokenPrefix: "NEW"}, "NFT")
    * @returns object of the created collection
    */
-  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions, mode: 'NFT' | 'RFT'): Promise<UniqueCollectionBase> {
+  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions, mode: 'NFT' | 'RFT'): Promise<UniqueBaseCollection> {
     collectionOptions = JSON.parse(JSON.stringify(collectionOptions)) as ICollectionCreationOptions; // Clone object
     collectionOptions.mode = (mode === 'NFT') ? {nft: null} : {refungible: null};
     for (const key of ['name', 'description', 'tokenPrefix']) {
@@ -1223,8 +1260,8 @@
    * @example getTokenObject(10, 5);
    * @returns instance of UniqueNFTToken
    */
-  getTokenObject(collectionId: number, tokenId: number): UniqueNFTToken {
-    return new UniqueNFTToken(tokenId, this.getCollectionObject(collectionId));
+  getTokenObject(collectionId: number, tokenId: number): UniqueNFToken {
+    return new UniqueNFToken(tokenId, this.getCollectionObject(collectionId));
   }
 
   /**
@@ -1304,9 +1341,7 @@
 
     if (owner === null) return null;
 
-    owner = owner.toHuman();
-
-    return owner.Substrate ? {Substrate: this.helper.address.normalizeSubstrate(owner.Substrate)} : owner;
+    return owner.toHuman();
   }
 
   /**
@@ -1339,7 +1374,7 @@
    * @returns ```true``` if extrinsic success, otherwise ```false```
    */
   async nestToken(signer: TSigner, tokenObj: IToken, rootTokenObj: IToken): Promise<boolean> {
-    const rootTokenAddress = {Ethereum: this.helper.util.getNestingTokenAddress(rootTokenObj.collectionId, rootTokenObj.tokenId)};
+    const rootTokenAddress = this.helper.util.getTokenAccount(rootTokenObj);
     const result = await this.transferToken(signer, tokenObj.collectionId, tokenObj.tokenId, rootTokenAddress);
     if(!result) {
       throw Error('Unable to nest token!');
@@ -1357,7 +1392,7 @@
    * @returns ```true``` if extrinsic success, otherwise ```false```
    */
   async unnestToken(signer: TSigner, tokenObj: IToken, rootTokenObj: IToken, toAddressObj: ICrossAccountId): Promise<boolean> {
-    const rootTokenAddress = {Ethereum: this.helper.util.getNestingTokenAddress(rootTokenObj.collectionId, rootTokenObj.tokenId)};
+    const rootTokenAddress = this.helper.util.getTokenAccount(rootTokenObj);
     const result = await this.transferTokenFrom(signer, tokenObj.collectionId, tokenObj.tokenId, rootTokenAddress, toAddressObj);
     if(!result) {
       throw Error('Unable to unnest token!');
@@ -1377,7 +1412,7 @@
    * })
    * @returns object of the created collection
    */
-  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions): Promise<UniqueNFTCollection> {
+  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions = {}): Promise<UniqueNFTCollection> {
     return await super.mintCollection(signer, collectionOptions, 'NFT') as UniqueNFTCollection;
   }
 
@@ -1387,7 +1422,7 @@
    * @param data token data
    * @returns created token object
    */
-  async mintToken(signer: TSigner, data: { collectionId: number; owner: ICrossAccountId | string; properties?: IProperty[]; }): Promise<UniqueNFTToken> {
+  async mintToken(signer: TSigner, data: { collectionId: number; owner: ICrossAccountId | string; properties?: IProperty[]; }): Promise<UniqueNFToken> {
     const creationResult = await this.helper.executeExtrinsic(
       signer,
       'api.tx.unique.createItem', [data.collectionId, (typeof data.owner === 'string') ? {Substrate: data.owner} : data.owner, {
@@ -1418,7 +1453,7 @@
    * }]);
    * @returns ```true``` if extrinsic success, otherwise ```false```
    */
-  async mintMultipleTokens(signer: TSigner, collectionId: number, tokens: {owner: ICrossAccountId, properties?: IProperty[]}[]): Promise<UniqueNFTToken[]> {
+  async mintMultipleTokens(signer: TSigner, collectionId: number, tokens: {owner: ICrossAccountId, properties?: IProperty[]}[]): Promise<UniqueNFToken[]> {
     const creationResult = await this.helper.executeExtrinsic(
       signer,
       'api.tx.unique.createMultipleItemsEx', [collectionId, {NFT: tokens}],
@@ -1446,7 +1481,7 @@
    * }]);
    * @returns array of newly created tokens
    */
-  async mintMultipleTokensWithOneOwner(signer: TSigner, collectionId: number, owner: ICrossAccountId, tokens: {properties?: IProperty[]}[]): Promise<UniqueNFTToken[]> {
+  async mintMultipleTokensWithOneOwner(signer: TSigner, collectionId: number, owner: ICrossAccountId, tokens: {properties?: IProperty[]}[]): Promise<UniqueNFToken[]> {
     const rawTokens = [];
     for (const token of tokens) {
       const raw = {NFT: {properties: token.properties}};
@@ -1495,8 +1530,8 @@
    * @example getTokenObject(10, 5);
    * @returns instance of UniqueNFTToken
    */
-  getTokenObject(collectionId: number, tokenId: number): UniqueRFTToken {
-    return new UniqueRFTToken(tokenId, this.getCollectionObject(collectionId));
+  getTokenObject(collectionId: number, tokenId: number): UniqueRFToken {
+    return new UniqueRFToken(tokenId, this.getCollectionObject(collectionId));
   }
 
   /**
@@ -1563,7 +1598,7 @@
    * })
    * @returns object of the created collection
    */
-  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions): Promise<UniqueRFTCollection> {
+  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions = {}): Promise<UniqueRFTCollection> {
     return await super.mintCollection(signer, collectionOptions, 'RFT') as UniqueRFTCollection;
   }
 
@@ -1574,7 +1609,7 @@
    * @example mintToken(aliceKeyring, {collectionId: 10, owner: {Substrate: '5GHoZe9c73RYbVzq...'}, pieces: 10000n});
    * @returns created token object
    */
-  async mintToken(signer: TSigner, data: { collectionId: number; owner: ICrossAccountId | string; pieces: bigint; properties?: IProperty[]; }): Promise<UniqueRFTToken> {
+  async mintToken(signer: TSigner, data: { collectionId: number; owner: ICrossAccountId | string; pieces: bigint; properties?: IProperty[]; }): Promise<UniqueRFToken> {
     const creationResult = await this.helper.executeExtrinsic(
       signer,
       'api.tx.unique.createItem', [data.collectionId, (typeof data.owner === 'string') ? {Substrate: data.owner} : data.owner, {
@@ -1591,7 +1626,7 @@
     return this.getTokenObject(data.collectionId, createdTokens.tokens[0].tokenId);
   }
 
-  async mintMultipleTokens(signer: TSigner, collectionId: number, tokens: {owner: ICrossAccountId, pieces: bigint, properties?: IProperty[]}[]): Promise<UniqueRFTToken[]> {
+  async mintMultipleTokens(signer: TSigner, collectionId: number, tokens: {owner: ICrossAccountId, pieces: bigint, properties?: IProperty[]}[]): Promise<UniqueRFToken[]> {
     throw Error('Not implemented');
     const creationResult = await this.helper.executeExtrinsic(
       signer,
@@ -1611,7 +1646,7 @@
    * @example mintMultipleTokensWithOneOwner(aliceKeyring, 10, {Substrate: "5GHoZe9c73RYbVzq..."}, [{pieces: 100000n, properties: [{key: "gender", value: "male"}]}]);
    * @returns array of newly created RFT tokens
    */
-  async mintMultipleTokensWithOneOwner(signer: TSigner, collectionId: number, owner: ICrossAccountId, tokens: {pieces: bigint, properties?: IProperty[]}[]): Promise<UniqueRFTToken[]> {
+  async mintMultipleTokensWithOneOwner(signer: TSigner, collectionId: number, owner: ICrossAccountId, tokens: {pieces: bigint, properties?: IProperty[]}[]): Promise<UniqueRFToken[]> {
     const rawTokens = [];
     for (const token of tokens) {
       const raw = {ReFungible: {pieces: token.pieces, properties: token.properties}};
@@ -1633,13 +1668,27 @@
    * @param tokenId ID of token
    * @param amount number of pieces to be burnt
    * @example burnToken(aliceKeyring, 10, 5);
-   * @returns ```true``` and burnt token number is extrinsic success. Otherwise ```false``` and ```null```
+   * @returns ```true``` and burnt token number, if extrinsic is successful. Otherwise ```false``` and ```null```
    */
   async burnToken(signer: IKeyringPair, collectionId: number, tokenId: number, amount=1n): Promise<{ success: boolean; token: number | null; }> {
     return await super.burnToken(signer, collectionId, tokenId, amount);
   }
 
   /**
+   * Destroys a concrete instance of RFT on behalf of the owner.
+   * @param signer keyring of signer
+   * @param collectionId ID of collection
+   * @param tokenId ID of token
+   * @param fromAddressObj address on behalf of which the token will be burnt
+   * @param amount number of pieces to be burnt
+   * @example burnTokenFrom(aliceKeyring, 10, 5, {Substrate: "5DyN4Y92vZCjv38fg..."}, 2n)
+   * @returns ```true``` if extrinsic success, otherwise ```false```
+   */
+  async burnTokenFrom(signer: IKeyringPair, collectionId: number, tokenId: number, fromAddressObj: ICrossAccountId, amount=1n): Promise<boolean> {
+    return await super.burnTokenFrom(signer, collectionId, tokenId, fromAddressObj, amount);
+  }
+
+  /**
    * Set, change, or remove approved address to transfer the ownership of the RFT.
    *
    * @param signer keyring of signer
@@ -1711,7 +1760,7 @@
    * }, 18)
    * @returns newly created fungible collection
    */
-  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions, decimalPoints = 0): Promise<UniqueFTCollection> {
+  async mintCollection(signer: TSigner, collectionOptions: ICollectionCreationOptions = {}, decimalPoints = 0): Promise<UniqueFTCollection> {
     collectionOptions = JSON.parse(JSON.stringify(collectionOptions)) as ICollectionCreationOptions; // Clone object
     if(collectionOptions.tokenPropertyPermissions) throw Error('Fungible collections has no tokenPropertyPermissions');
     collectionOptions.mode = {fungible: decimalPoints};
@@ -1840,7 +1889,7 @@
    * @returns ```true``` if extrinsic success, otherwise ```false```
    */
   async burnTokensFrom(signer: IKeyringPair, collectionId: number, fromAddressObj: ICrossAccountId, amount=1n): Promise<boolean> {
-    return await super.burnTokenFrom(signer, collectionId, fromAddressObj, 0, amount);
+    return await super.burnTokenFrom(signer, collectionId, 0, fromAddressObj, amount);
   }
 
   /**
@@ -1936,7 +1985,7 @@
 
 class BalanceGroup extends HelperGroup {
   /**
-   * Representation of the native token in the smallest unit
+   * Representation of the native token in the smallest unit - one OPAL (OPL), QUARTZ (QTZ), or UNIQUE (UNQ).
    * @example getOneTokenNominal()
    * @returns ```BigInt``` representation of the native token in the smallest unit, e.g. ```1_000_000_000_000_000_000n``` for QTZ.
    */
@@ -2017,6 +2066,19 @@
   }
 
   /**
+   * Normalizes the address of an account ONLY if it's Substrate to the specified ss58 format, by default ```42```.
+   * @param account account of either Substrate type or Ethereum, but only Substrate will be changed
+   * @param ss58Format format for address conversion, by default ```42```
+   * @example normalizeCrossAccountIfSubstrate({Substrate: "unjKJQJrRd238pkUZZvzDQrfKuM39zBSnQ5zjAGAGcdRhaJTx"}) // returns 5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY
+   * @returns untouched ethereum account or substrate account converted to normalized (i.e., starting with 5) or specified explicitly representation
+   */
+  normalizeCrossAccountIfSubstrate(account: ICrossAccountId, ss58Format = 42): ICrossAccountId  {
+    return account.Substrate
+      ? {Substrate: this.normalizeSubstrate(account.Substrate, ss58Format)}
+      : account;
+  }
+
+  /**
    * Get address in the connected chain format
    * @param address substrate address
    * @example normalizeSubstrateToChainFormat("5GrwvaEF5zXb26Fz...") // returns unjKJQJrRd238pkUZZ... for Unique Network
@@ -2161,7 +2223,7 @@
 }
 
 
-class UniqueCollectionBase {
+export class UniqueBaseCollection {
   helper: UniqueHelper;
   collectionId: number;
 
@@ -2194,6 +2256,14 @@
     return await this.helper.collection.getEffectiveLimits(this.collectionId);
   }
 
+  async getProperties(propertyKeys: string[] | null = null) {
+    return await this.helper.collection.getProperties(this.collectionId, propertyKeys);
+  }
+
+  async getTokenNextSponsored(tokenId: number, addressObj: ICrossAccountId) {
+    return await this.helper.collection.getTokenNextSponsored(this.collectionId, tokenId, addressObj);
+  }
+
   async setSponsor(signer: TSigner, sponsorAddress: TSubstrateAccount) {
     return await this.helper.collection.setSponsor(signer, this.collectionId, sponsorAddress);
   }
@@ -2238,10 +2308,6 @@
     return await this.helper.collection.deleteProperties(signer, this.collectionId, propertyKeys);
   }
 
-  async getTokenNextSponsored(tokenId: number, addressObj: ICrossAccountId) {
-    return await this.helper.collection.getTokenNextSponsored(this.collectionId, tokenId, addressObj);
-  }
-
   async setPermissions(signer: TSigner, permissions: ICollectionPermissions) {
     return await this.helper.collection.setPermissions(signer, this.collectionId, permissions);
   }
@@ -2260,9 +2326,9 @@
 }
 
 
-class UniqueNFTCollection extends UniqueCollectionBase {
+export class UniqueNFTCollection extends UniqueBaseCollection {
   getTokenObject(tokenId: number) {
-    return new UniqueNFTToken(tokenId, this);
+    return new UniqueNFToken(tokenId, this);
   }
 
   async getTokensByAddress(addressObj: ICrossAccountId) {
@@ -2285,6 +2351,14 @@
     return await this.helper.nft.getTokenChildren(this.collectionId, tokenId, blockHashAt);
   }
 
+  async getPropertyPermissions(propertyKeys: string[] | null = null) {
+    return await this.helper.nft.getPropertyPermissions(this.collectionId, propertyKeys);
+  }
+
+  async getTokenProperties(tokenId: number, propertyKeys: string[] | null = null) {
+    return await this.helper.nft.getTokenProperties(this.collectionId, tokenId, propertyKeys);
+  }
+
   async transferToken(signer: TSigner, tokenId: number, addressObj: ICrossAccountId) {
     return await this.helper.nft.transferToken(signer, this.collectionId, tokenId, addressObj);
   }
@@ -2313,6 +2387,10 @@
     return await this.helper.nft.burnToken(signer, this.collectionId, tokenId);
   }
 
+  async burnTokenFrom(signer: TSigner, tokenId: number, fromAddressObj: ICrossAccountId) {
+    return await this.helper.nft.burnTokenFrom(signer, this.collectionId, tokenId, fromAddressObj);
+  }
+
   async setTokenProperties(signer: TSigner, tokenId: number, properties: IProperty[]) {
     return await this.helper.nft.setTokenProperties(signer, this.collectionId, tokenId, properties);
   }
@@ -2335,11 +2413,15 @@
 }
 
 
-class UniqueRFTCollection extends UniqueCollectionBase {
+export class UniqueRFTCollection extends UniqueBaseCollection {
   getTokenObject(tokenId: number) {
-    return new UniqueRFTToken(tokenId, this);
+    return new UniqueRFToken(tokenId, this);
   }
 
+  async getToken(tokenId: number, blockHashAt?: string) {
+    return await this.helper.rft.getToken(this.collectionId, tokenId, [], blockHashAt);
+  }
+
   async getTokensByAddress(addressObj: ICrossAccountId) {
     return await this.helper.rft.getTokensByAddress(this.collectionId, addressObj);
   }
@@ -2356,6 +2438,18 @@
     return await this.helper.rft.getTokenTotalPieces(this.collectionId, tokenId);
   }
 
+  async getTokenApprovedPieces(tokenId: number, fromAddressObj: ICrossAccountId, toAddressObj: ICrossAccountId) {
+    return await this.helper.rft.getTokenApprovedPieces(this.collectionId, tokenId, toAddressObj, fromAddressObj);
+  }
+
+  async getPropertyPermissions(propertyKeys: string[] | null = null) {
+    return await this.helper.rft.getPropertyPermissions(this.collectionId, propertyKeys);
+  }
+
+  async getTokenProperties(tokenId: number, propertyKeys: string[] | null = null) {
+    return await this.helper.rft.getTokenProperties(this.collectionId, tokenId, propertyKeys);
+  }
+
   async transferToken(signer: TSigner, tokenId: number, addressObj: ICrossAccountId, amount=1n) {
     return await this.helper.rft.transferToken(signer, this.collectionId, tokenId, addressObj, amount);
   }
@@ -2366,10 +2460,6 @@
 
   async approveToken(signer: TSigner, tokenId: number, toAddressObj: ICrossAccountId, amount=1n) {
     return await this.helper.rft.approveToken(signer, this.collectionId, tokenId, toAddressObj, amount);
-  }
-
-  async getTokenApprovedPieces(tokenId: number, fromAddressObj: ICrossAccountId, toAddressObj: ICrossAccountId) {
-    return await this.helper.rft.getTokenApprovedPieces(this.collectionId, tokenId, toAddressObj, fromAddressObj);
   }
 
   async repartitionToken(signer: TSigner, tokenId: number, amount: bigint) {
@@ -2388,6 +2478,10 @@
     return await this.helper.rft.burnToken(signer, this.collectionId, tokenId, amount);
   }
 
+  async burnTokenFrom(signer: TSigner, tokenId: number, fromAddressObj: ICrossAccountId,  amount=1n) {
+    return await this.helper.rft.burnTokenFrom(signer, this.collectionId, tokenId, fromAddressObj, amount);
+  }
+
   async setTokenProperties(signer: TSigner, tokenId: number, properties: IProperty[]) {
     return await this.helper.rft.setTokenProperties(signer, this.collectionId, tokenId, properties);
   }
@@ -2402,23 +2496,31 @@
 }
 
 
-class UniqueFTCollection extends UniqueCollectionBase {
-  async mint(signer: TSigner, amount=1n, owner: ICrossAccountId = {Substrate: signer.address}) {
-    return await this.helper.ft.mintTokens(signer, this.collectionId, amount, owner);
+export class UniqueFTCollection extends UniqueBaseCollection {
+  async getBalance(addressObj: ICrossAccountId) {
+    return await this.helper.ft.getBalance(this.collectionId, addressObj);
   }
 
-  async mintWithOneOwner(signer: TSigner, tokens: {value: bigint}[], owner: ICrossAccountId = {Substrate: signer.address}) {
-    return await this.helper.ft.mintMultipleTokensWithOneOwner(signer, this.collectionId, tokens, owner);
+  async getTotalPieces() {
+    return await this.helper.ft.getTotalPieces(this.collectionId);
   }
 
-  async getBalance(addressObj: ICrossAccountId) {
-    return await this.helper.ft.getBalance(this.collectionId, addressObj);
+  async getApprovedTokens(fromAddressObj: ICrossAccountId, toAddressObj: ICrossAccountId) {
+    return await this.helper.ft.getApprovedTokens(this.collectionId, fromAddressObj, toAddressObj);
   }
 
   async getTop10Owners() {
     return await this.helper.ft.getTop10Owners(this.collectionId);
   }
 
+  async mint(signer: TSigner, amount=1n, owner: ICrossAccountId = {Substrate: signer.address}) {
+    return await this.helper.ft.mintTokens(signer, this.collectionId, amount, owner);
+  }
+
+  async mintWithOneOwner(signer: TSigner, tokens: {value: bigint}[], owner: ICrossAccountId = {Substrate: signer.address}) {
+    return await this.helper.ft.mintMultipleTokensWithOneOwner(signer, this.collectionId, tokens, owner);
+  }
+
   async transfer(signer: TSigner, toAddressObj: ICrossAccountId, amount=1n) {
     return await this.helper.ft.transfer(signer, this.collectionId, toAddressObj, amount);
   }
@@ -2433,23 +2535,15 @@
 
   async burnTokensFrom(signer: TSigner, fromAddressObj: ICrossAccountId, amount=1n) {
     return await this.helper.ft.burnTokensFrom(signer, this.collectionId, fromAddressObj, amount);
-  }
-
-  async getTotalPieces() {
-    return await this.helper.ft.getTotalPieces(this.collectionId);
   }
 
   async approveTokens(signer: TSigner, toAddressObj: ICrossAccountId, amount=1n) {
     return await this.helper.ft.approveTokens(signer, this.collectionId, toAddressObj, amount);
-  }
-
-  async getApprovedTokens(fromAddressObj: ICrossAccountId, toAddressObj: ICrossAccountId) {
-    return await this.helper.ft.getApprovedTokens(this.collectionId, fromAddressObj, toAddressObj);
   }
 }
 
 
-class UniqueTokenBase implements IToken {
+export class UniqueBaseToken {
   collection: UniqueNFTCollection | UniqueRFTCollection;
   collectionId: number;
   tokenId: number;
@@ -2464,6 +2558,10 @@
     return await this.collection.getTokenNextSponsored(this.tokenId, addressObj);
   }
 
+  async getProperties(propertyKeys: string[] | null = null) {
+    return await this.collection.getTokenProperties(this.tokenId, propertyKeys);
+  }
+
   async setProperties(signer: TSigner, properties: IProperty[]) {
     return await this.collection.setTokenProperties(signer, this.tokenId, properties);
   }
@@ -2471,10 +2569,18 @@
   async deleteProperties(signer: TSigner, propertyKeys: string[]) {
     return await this.collection.deleteTokenProperties(signer, this.tokenId, propertyKeys);
   }
+
+  nestingAccount() {
+    return this.collection.helper.util.getTokenAccount(this);
+  }
+
+  nestingAccountInLowerCase() {
+    return this.collection.helper.util.getTokenAccountInLowerCase(this);
+  }
 }
 
 
-class UniqueNFTToken extends UniqueTokenBase {
+export class UniqueNFToken extends UniqueBaseToken {
   collection: UniqueNFTCollection;
 
   constructor(tokenId: number, collection: UniqueNFTCollection) {
@@ -2525,9 +2631,13 @@
   async burn(signer: TSigner) {
     return await this.collection.burnToken(signer, this.tokenId);
   }
+
+  async burnFrom(signer: TSigner, fromAddressObj: ICrossAccountId) {
+    return await this.collection.burnTokenFrom(signer, this.tokenId, fromAddressObj);
+  }
 }
 
-class UniqueRFTToken extends UniqueTokenBase {
+export class UniqueRFToken extends UniqueBaseToken {
   collection: UniqueRFTCollection;
 
   constructor(tokenId: number, collection: UniqueRFTCollection) {
@@ -2535,6 +2645,10 @@
     this.collection = collection;
   }
 
+  async getData(blockHashAt?: string) {
+    return await this.collection.getToken(this.tokenId, blockHashAt);
+  }
+
   async getTop10Owners() {
     return await this.collection.getTop10TokenOwners(this.tokenId);
   }
@@ -2547,6 +2661,10 @@
     return await this.collection.getTokenTotalPieces(this.tokenId);
   }
 
+  async getApprovedPieces(fromAddressObj: ICrossAccountId, toAccountObj: ICrossAccountId) {
+    return await this.collection.getTokenApprovedPieces(this.tokenId, fromAddressObj, toAccountObj);
+  }
+
   async transfer(signer: TSigner, addressObj: ICrossAccountId, amount=1n) {
     return await this.collection.transferToken(signer, this.tokenId, addressObj, amount);
   }
@@ -2559,10 +2677,6 @@
     return await this.collection.approveToken(signer, this.tokenId, toAddressObj, amount);
   }
 
-  async getApprovedPieces(fromAddressObj: ICrossAccountId, toAccountObj: ICrossAccountId) {
-    return await this.collection.getTokenApprovedPieces(this.tokenId, fromAddressObj, toAccountObj);
-  }
-
   async repartition(signer: TSigner, amount: bigint) {
     return await this.collection.repartitionToken(signer, this.tokenId, amount);
   }
@@ -2570,4 +2684,8 @@
   async burn(signer: TSigner, amount=1n) {
     return await this.collection.burnToken(signer, this.tokenId, amount);
   }
+
+  async burnFrom(signer: TSigner, fromAddressObj: ICrossAccountId, amount=1n) {
+    return await this.collection.burnTokenFrom(signer, this.tokenId, fromAddressObj, amount);
+  }
 }