--- /dev/null
+++ b/tests/src/util/playgrounds/types.ts
@@ -0,0 +1,130 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+import {IKeyringPair} from '@polkadot/types/types';
+
+export interface IChainEvent {
+  data: any;
+  method: string;
+  section: string;
+}
+
+export interface ITransactionResult {
+    status: 'Fail' | 'Success';
+    result: {
+        events: {
+          event: IChainEvent
+        }[];
+    },
+    moduleError?: string;
+}
+
+export interface ILogger {
+  log: (msg: any, level?: string) => void;
+  level: {
+    ERROR: 'ERROR';
+    WARNING: 'WARNING';
+    INFO: 'INFO';
+    [key: string]: string;
+  }
+}
+
+export interface IUniqueHelperLog {
+  executedAt: number;
+  executionTime: number;
+  type: 'extrinsic' | 'rpc';
+  status: 'Fail' | 'Success';
+  call: string;
+  params: any[];
+  moduleError?: string;
+  events?: any;
+}
+
+export interface IApiListeners {
+  connected?: (...args: any[]) => any;
+  disconnected?: (...args: any[]) => any;
+  error?: (...args: any[]) => any;
+  ready?: (...args: any[]) => any; 
+  decorated?: (...args: any[]) => any;
+}
+
+export interface ICrossAccountId {
+  Substrate?: TSubstrateAccount;
+  Ethereum?: TEthereumAccount;
+}
+
+export interface ICrossAccountIdLower {
+  substrate?: TSubstrateAccount;
+  ethereum?: TEthereumAccount;
+}
+
+export interface ICollectionLimits {
+  accountTokenOwnershipLimit?: number | null;
+  sponsoredDataSize?: number | null;
+  sponsoredDataRateLimit?: {blocks: number} | {sponsoringDisabled: null} | null;
+  tokenLimit?: number | null;
+  sponsorTransferTimeout?: number | null;
+  sponsorApproveTimeout?: number | null;
+  ownerCanTransfer?: boolean | null;
+  ownerCanDestroy?: boolean | null;
+  transfersEnabled?: boolean | null;
+}
+
+export interface INestingPermissions {
+  tokenOwner?: boolean;
+  collectionAdmin?: boolean;
+  restricted?: number[] | null;
+}
+
+export interface ICollectionPermissions {
+  access?: 'Normal' | 'AllowList';
+  mintMode?: boolean;
+  nesting?: INestingPermissions;
+}
+
+export interface IProperty {
+  key: string;
+  value: string;
+}
+
+export interface ITokenPropertyPermission {
+  key: string;
+  permission: {
+    mutable: boolean;
+    tokenOwner: boolean;
+    collectionAdmin: boolean;
+  }
+}
+
+export interface IToken {
+  collectionId: number;
+  tokenId: number;
+}
+
+export interface ICollectionCreationOptions {
+  name: string | number[];
+  description: string | number[];
+  tokenPrefix: string | number[];
+  mode?: {
+    nft?: null;
+    refungible?: null;
+    fungible?: number;
+  }
+  permissions?: ICollectionPermissions;
+  properties?: IProperty[];
+  tokenPropertyPermissions?: ITokenPropertyPermission[];
+  limits?: ICollectionLimits;
+  pendingSponsor?: TSubstrateAccount;
+}
+
+export interface IChainProperties {
+  ss58Format: number;
+  tokenDecimals: number[];
+  tokenSymbol: string[]
+}
+
+export type TSubstrateAccount = string;
+export type TEthereumAccount = string;
+export type TApiAllowedListeners = 'connected' | 'disconnected' | 'error' | 'ready' | 'decorated';
+export type TUniqueNetworks = 'opal' | 'quartz' | 'unique';
+export type TSigner = IKeyringPair; // | 'string'
\ No newline at end of file
--- a/tests/src/util/playgrounds/unique.dev.ts
+++ b/tests/src/util/playgrounds/unique.dev.ts
@@ -3,9 +3,10 @@
 
 import {mnemonicGenerate} from '@polkadot/util-crypto';
 import {UniqueHelper} from './unique';
-import {IKeyringPair} from '@polkadot/types/types';
 import {ApiPromise, WsProvider} from '@polkadot/api';
 import * as defs from '../../interfaces/definitions';
+import {TSigner} from './types';
+import {IKeyringPair} from '@polkadot/types/types';
 
 
 export class DevUniqueHelper extends UniqueHelper {
@@ -73,7 +74,7 @@
     let nonce = await this.helper.chain.getNonce(donor.address);
     const tokenNominal = this.helper.balance.getOneTokenNominal();
     const transactions = [];
-    const accounts = [];
+    const accounts: IKeyringPair[] = [];
     for (const balance of balances) {
       const recepient = this.helper.util.fromSeed(mnemonicGenerate());
       accounts.push(recepient);
@@ -84,7 +85,52 @@
       }
     }
 
-    await Promise.all(transactions);
+    await Promise.all(transactions).catch(e => {});
+    
+    //#region TODO remove this region, when nonce problem will be solved
+    const checkBalances = async () => {
+      let isSuccess = true;
+      for (let i = 0; i < balances.length; i++) {
+        const balance = await this.helper.balance.getSubstrate(accounts[i].address);
+        if (balance !== balances[i] * tokenNominal) {
+          isSuccess = false;
+          break;
+        }
+      }
+      return isSuccess;
+    };
+
+    let accountsCreated = false;
+    // checkBalances retry up to 5 blocks
+    for (let index = 0; index < 5; index++) {
+      console.log(await this.helper.chain.getLatestBlockNumber());
+      accountsCreated = await checkBalances();
+      if(accountsCreated) break;
+      await this.waitNewBlocks(1);
+    }
+
+    if (!accountsCreated) throw Error('Accounts generation failed');
+    //#endregion
+
     return accounts;
   };
+
+  /**
+   * Wait for specified bnumber of blocks
+   * @param blocksCount number of blocks to wait
+   * @returns 
+   */
+  async waitNewBlocks(blocksCount = 1): Promise<void> {
+    const promise = new Promise<void>(async (resolve) => {
+      const unsubscribe = await this.helper.api!.rpc.chain.subscribeNewHeads(() => {
+        if (blocksCount > 0) {
+          blocksCount--;
+        } else {
+          unsubscribe();
+          resolve();
+        }
+      });
+    });
+    return promise;
+  }
 }
\ No newline at end of file
--- a/tests/src/util/playgrounds/unique.ts
+++ b/tests/src/util/playgrounds/unique.ts
@@ -7,10 +7,10 @@
 
 import {ApiPromise, WsProvider, Keyring} from '@polkadot/api';
 import {ApiInterfaceEvents} from '@polkadot/api/types';
+import {encodeAddress, decodeAddress, keccakAsHex, evmToAddress, addressToEvm} from '@polkadot/util-crypto';
 import {IKeyringPair} from '@polkadot/types/types';
-import {encodeAddress, decodeAddress, keccakAsHex, evmToAddress, addressToEvm} from '@polkadot/util-crypto';
+import {IApiListeners, IChainEvent, IChainProperties, ICollectionCreationOptions, ICollectionLimits, ICollectionPermissions, ICrossAccountId, ICrossAccountIdLower, ILogger, INestingPermissions, IProperty, IToken, ITokenPropertyPermission, ITransactionResult, IUniqueHelperLog, TApiAllowedListeners, TEthereumAccount, TSigner, TSubstrateAccount, TUniqueNetworks} from './types';
 
-
 const crossAccountIdFromLower = (lowerAddress: ICrossAccountIdLower): ICrossAccountId => {
   const address = {} as ICrossAccountId;
   if(lowerAddress.substrate) address.Substrate = lowerAddress.substrate;
@@ -43,133 +43,6 @@
     return this.toChecksumAddress(`0xf8238ccfff8ed887463fd5e0${collectionId.toString(16).padStart(8, '0')}${tokenId.toString(16).padStart(8, '0')}`);
   },
 };
-
-
-interface IChainEvent {
-  data: any;
-  method: string;
-  section: string;
-}
-
-interface ITransactionResult {
-    status: 'Fail' | 'Success';
-    result: {
-        events: {
-          event: IChainEvent
-        }[];
-    },
-    moduleError?: string;
-}
-
-interface ILogger {
-  log: (msg: any, level?: string) => void;
-  level: {
-    ERROR: 'ERROR';
-    WARNING: 'WARNING';
-    INFO: 'INFO';
-    [key: string]: string;
-  }
-}
-
-interface IUniqueHelperLog {
-  executedAt: number;
-  executionTime: number;
-  type: 'extrinsic' | 'rpc';
-  status: 'Fail' | 'Success';
-  call: string;
-  params: any[];
-  moduleError?: string;
-  events?: any;
-}
-
-interface IApiListeners {
-  connected?: (...args: any[]) => any;
-  disconnected?: (...args: any[]) => any;
-  error?: (...args: any[]) => any;
-  ready?: (...args: any[]) => any; 
-  decorated?: (...args: any[]) => any;
-}
-
-interface ICrossAccountId {
-  Substrate?: TSubstrateAccount;
-  Ethereum?: TEthereumAccount;
-}
-
-interface ICrossAccountIdLower {
-  substrate?: TSubstrateAccount;
-  ethereum?: TEthereumAccount;
-}
-
-interface ICollectionLimits {
-  accountTokenOwnershipLimit?: number | null;
-  sponsoredDataSize?: number | null;
-  sponsoredDataRateLimit?: {blocks: number} | {sponsoringDisabled: null} | null;
-  tokenLimit?: number | null;
-  sponsorTransferTimeout?: number | null;
-  sponsorApproveTimeout?: number | null;
-  ownerCanTransfer?: boolean | null;
-  ownerCanDestroy?: boolean | null;
-  transfersEnabled?: boolean | null;
-}
-
-interface INestingPermissions {
-  tokenOwner?: boolean;
-  collectionAdmin?: boolean;
-  restricted?: number[] | null;
-}
-
-interface ICollectionPermissions {
-  access?: 'Normal' | 'AllowList';
-  mintMode?: boolean;
-  nesting?: INestingPermissions;
-}
-
-interface IProperty {
-  key: string;
-  value: string;
-}
-
-interface ITokenPropertyPermission {
-  key: string;
-  permission: {
-    mutable: boolean;
-    tokenOwner: boolean;
-    collectionAdmin: boolean;
-  }
-}
-
-interface IToken {
-  collectionId: number;
-  tokenId: number;
-}
-
-interface ICollectionCreationOptions {
-  name: string | number[];
-  description: string | number[];
-  tokenPrefix: string | number[];
-  mode?: {
-    nft?: null;
-    refungible?: null;
-    fungible?: number;
-  }
-  permissions?: ICollectionPermissions;
-  properties?: IProperty[];
-  tokenPropertyPermissions?: ITokenPropertyPermission[];
-  limits?: ICollectionLimits;
-  pendingSponsor?: TSubstrateAccount;
-}
-
-interface IChainProperties {
-  ss58Format: number;
-  tokenDecimals: number[];
-  tokenSymbol: string[]
-}
-
-type TSubstrateAccount = string;
-type TEthereumAccount = string;
-type TApiAllowedListeners = 'connected' | 'disconnected' | 'error' | 'ready' | 'decorated';
-type TUniqueNetworks = 'opal' | 'quartz' | 'unique';
-type TSigner = IKeyringPair; // | 'string'
 
 class UniqueUtil {
   static transactionStatus = {
@@ -652,6 +525,22 @@
   }
 
   /**
+   * Get the normalized addresses added to the collection allow-list.
+   * @param collectionId ID of collection
+   * @example await getAllowList(1)
+   * @returns array of allow-listed addresses
+   */
+  async getAllowList(collectionId: number): Promise<ICrossAccountId[]> {
+    const normalized = [];
+    const allowListed = (await this.helper.callRpc('api.rpc.unique.allowlist', [collectionId])).toHuman();
+    for (const address of allowListed) {
+      if (address.Substrate) normalized.push({Substrate: this.helper.address.normalizeSubstrate(address.Substrate)});
+      else normalized.push(address);
+    }
+    return normalized;
+  }
+
+  /**
    * Get the effective limits of the collection instead of null for default values
    * 
    * @param collectionId ID of collection
@@ -795,6 +684,25 @@
   }
 
   /**
+   * Adds an address to allow list 
+   * @param signer keyring of signer
+   * @param collectionId ID of collection
+   * @param addressObj address to add to the allow list
+   * @param label extra label for log
+   * @returns ```true``` if extrinsic success, otherwise ```false```
+   */
+  async addToAllowList(signer: TSigner, collectionId: number, addressObj: ICrossAccountId, label?: string): Promise<boolean> {
+    if(typeof label === 'undefined') label = `collection #${collectionId}`;
+    const result = await this.helper.executeExtrinsic(
+      signer,
+      'api.tx.unique.addToAllowList', [collectionId, addressObj],
+      true, `Unable to add address to allow list for ${label}`,
+    );
+
+    return this.helper.util.findCollectionInEvents(result.result.events, collectionId, 'unique', 'AllowListAddressAdded');
+  }
+
+  /**
    * Removes a collection administrator.
    * 
    * @param signer keyring of signer
@@ -2119,6 +2027,10 @@
     return await this.helper.collection.getAdmins(this.collectionId);
   }
 
+  async getAllowList() {
+    return await this.helper.collection.getAllowList(this.collectionId);
+  }
+
   async getEffectiveLimits() {
     return await this.helper.collection.getEffectiveLimits(this.collectionId);
   }
@@ -2143,6 +2055,10 @@
     return await this.helper.collection.addAdmin(signer, this.collectionId, adminAddressObj, label);
   }
 
+  async addToAllowList(signer: TSigner, addressObj: ICrossAccountId, label?: string) {
+    return await this.helper.collection.addToAllowList(signer, this.collectionId, addressObj, label);
+  }
+
   async removeAdmin(signer: TSigner, adminAddressObj: ICrossAccountId, label?: string) {
     return await this.helper.collection.removeAdmin(signer, this.collectionId, adminAddressObj, label);
   }