git.delta.rocks / unique-network / refs/commits / e23fc19c9b9d

difftreelog

test statemine usdt exchange

Daniel Shiposha2022-12-19parent: #5509757.patch.diff
in: master

4 files changed

modifiedtests/src/config.tsdiffbeforeafterboth
--- a/tests/src/config.ts
+++ b/tests/src/config.ts
@@ -25,6 +25,8 @@
   moonbeamUrl: process.env.moonbeamUrl || 'ws://127.0.0.1:9947',
   moonriverUrl: process.env.moonbeamUrl || 'ws://127.0.0.1:9947',
   westmintUrl: process.env.westmintUrl || 'ws://127.0.0.1:9948',
+  statemineUrl: process.env.statemineUrl || 'ws://127.0.0.1:9948',
+  statemintUrl: process.env.statemintUrl || 'ws://127.0.0.1:9948',
 };
 
 export default config;
modifiedtests/src/util/index.tsdiffbeforeafterboth
--- a/tests/src/util/index.ts
+++ b/tests/src/util/index.ts
@@ -11,7 +11,7 @@
 import config from '../config';
 import {ChainHelperBase} from './playgrounds/unique';
 import {ILogger} from './playgrounds/types';
-import {DevUniqueHelper, SilentLogger, SilentConsole, DevMoonbeamHelper, DevMoonriverHelper, DevAcalaHelper, DevKaruraHelper, DevRelayHelper, DevWestmintHelper} from './playgrounds/unique.dev';
+import {DevUniqueHelper, SilentLogger, SilentConsole, DevMoonbeamHelper, DevMoonriverHelper, DevAcalaHelper, DevKaruraHelper, DevRelayHelper, DevWestmintHelper, DevStatemineHelper, DevStatemintHelper} from './playgrounds/unique.dev';
 
 chai.use(chaiAsPromised);
 chai.use(chaiSubset);
@@ -65,6 +65,14 @@
   return usingPlaygroundsGeneral<DevWestmintHelper>(DevWestmintHelper, url, code);
 };
 
+export const usingStateminePlaygrounds = (url: string, code: (helper: DevWestmintHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => {
+  return usingPlaygroundsGeneral<DevStatemineHelper>(DevWestmintHelper, url, code);
+};
+
+export const usingStatemintPlaygrounds = (url: string, code: (helper: DevWestmintHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => {
+  return usingPlaygroundsGeneral<DevStatemintHelper>(DevWestmintHelper, url, code);
+};
+
 export const usingRelayPlaygrounds = (url: string, code: (helper: DevRelayHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => {
   return usingPlaygroundsGeneral<DevRelayHelper>(DevRelayHelper, url, code);
 };
modifiedtests/src/util/playgrounds/unique.dev.tsdiffbeforeafterboth
before · tests/src/util/playgrounds/unique.dev.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// SPDX-License-Identifier: Apache-2.034import {stringToU8a} from '@polkadot/util';5import {encodeAddress, mnemonicGenerate} from '@polkadot/util-crypto';6import {UniqueHelper, MoonbeamHelper, ChainHelperBase, AcalaHelper, RelayHelper, WestmintHelper} from './unique';7import {ApiPromise, Keyring, WsProvider} from '@polkadot/api';8import * as defs from '../../interfaces/definitions';9import {IKeyringPair} from '@polkadot/types/types';10import {EventRecord} from '@polkadot/types/interfaces';11import {ICrossAccountId, TSigner} from './types';12import {FrameSystemEventRecord} from '@polkadot/types/lookup';13import {VoidFn} from '@polkadot/api/types';14import {Pallets} from '..';1516export class SilentLogger {17  log(_msg: any, _level: any): void { }18  level = {19    ERROR: 'ERROR' as const,20    WARNING: 'WARNING' as const,21    INFO: 'INFO' as const,22  };23}2425export class SilentConsole {26  // TODO: Remove, this is temporary: Filter unneeded API output27  // (Jaco promised it will be removed in the next version)28  consoleErr: any;29  consoleLog: any;30  consoleWarn: any;3132  constructor() {33    this.consoleErr = console.error;34    this.consoleLog = console.log;35    this.consoleWarn = console.warn;36  }3738  enable() {  39    const outFn = (printer: any) => (...args: any[]) => {40      for (const arg of args) {41        if (typeof arg !== 'string')42          continue;43        if (arg.includes('1000:: Normal connection closure') || arg.includes('Not decorating unknown runtime apis:') || arg.includes('RPC methods not decorated:') || arg === 'Normal connection closure')44          return;45      }46      printer(...args);47    };48  49    console.error = outFn(this.consoleErr.bind(console));50    console.log = outFn(this.consoleLog.bind(console));51    console.warn = outFn(this.consoleWarn.bind(console));52  }5354  disable() {55    console.error = this.consoleErr;56    console.log = this.consoleLog;57    console.warn = this.consoleWarn;58  }59}6061export class DevUniqueHelper extends UniqueHelper {62  /**63   * Arrange methods for tests64   */65  arrange: ArrangeGroup;66  wait: WaitGroup;67  admin: AdminGroup;68  testUtils: TestUtilGroup;6970  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {71    options.helperBase = options.helperBase ?? DevUniqueHelper;7273    super(logger, options);74    this.arrange = new ArrangeGroup(this);75    this.wait = new WaitGroup(this);76    this.admin = new AdminGroup(this);77    this.testUtils = new TestUtilGroup(this);78  }7980  async connect(wsEndpoint: string, _listeners?: any): Promise<void> {81    const wsProvider = new WsProvider(wsEndpoint);82    this.api = new ApiPromise({83      provider: wsProvider,84      signedExtensions: {85        ContractHelpers: {86          extrinsic: {},87          payload: {},88        },89        CheckMaintenance: {90          extrinsic: {},91          payload: {},92        },93        FakeTransactionFinalizer: {94          extrinsic: {},95          payload: {},96        },97      },98      rpc: {99        unique: defs.unique.rpc,100        appPromotion: defs.appPromotion.rpc,101        rmrk: defs.rmrk.rpc,102        eth: {103          feeHistory: {104            description: 'Dummy',105            params: [],106            type: 'u8',107          },108          maxPriorityFeePerGas: {109            description: 'Dummy',110            params: [],111            type: 'u8',112          },113        },114      },115    });116    await this.api.isReadyOrError;117    this.network = await UniqueHelper.detectNetwork(this.api);118  }119}120121export class DevRelayHelper extends RelayHelper {}122123export class DevWestmintHelper extends WestmintHelper {124  wait: WaitGroup;125126  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {127    options.helperBase = options.helperBase ?? DevWestmintHelper;128129    super(logger, options);130    this.wait = new WaitGroup(this);131  }132}133134export class DevMoonbeamHelper extends MoonbeamHelper {135  account: MoonbeamAccountGroup;136  wait: WaitGroup;137138  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {139    options.helperBase = options.helperBase ?? DevMoonbeamHelper;140141    super(logger, options);142    this.account = new MoonbeamAccountGroup(this);143    this.wait = new WaitGroup(this);144  }145}146147export class DevMoonriverHelper extends DevMoonbeamHelper {}148149export class DevAcalaHelper extends AcalaHelper {150  wait: WaitGroup;151152  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {153    options.helperBase = options.helperBase ?? DevAcalaHelper;154155    super(logger, options);156    this.wait = new WaitGroup(this);157  }158}159160export class DevKaruraHelper extends DevAcalaHelper {}161162class ArrangeGroup {163  helper: DevUniqueHelper;164165  scheduledIdSlider = 0;166167  constructor(helper: DevUniqueHelper) {168    this.helper = helper;169  }170171  /**172   * Generates accounts with the specified UNQ token balance 173   * @param balances balances for generated accounts. Each balance will be multiplied by the token nominal.174   * @param donor donor account for balances175   * @returns array of newly created accounts176   * @example const [acc1, acc2, acc3] = await createAccounts([0n, 10n, 20n], donor); 177   */178  createAccounts = async (balances: bigint[], donor: IKeyringPair): Promise<IKeyringPair[]> => {179    let nonce = await this.helper.chain.getNonce(donor.address);180    const wait = new WaitGroup(this.helper);181    const ss58Format = this.helper.chain.getChainProperties().ss58Format;182    const tokenNominal = this.helper.balance.getOneTokenNominal();183    const transactions = [];184    const accounts: IKeyringPair[] = [];185    for (const balance of balances) {186      const recipient = this.helper.util.fromSeed(mnemonicGenerate(), ss58Format);187      accounts.push(recipient);188      if (balance !== 0n) {189        const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recipient.address}, balance * tokenNominal]);190        transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));191        nonce++;192      }193    }194195    await Promise.all(transactions).catch(_e => {});196    197    //#region TODO remove this region, when nonce problem will be solved198    const checkBalances = async () => {199      let isSuccess = true;200      for (let i = 0; i < balances.length; i++) {201        const balance = await this.helper.balance.getSubstrate(accounts[i].address);202        if (balance !== balances[i] * tokenNominal) {203          isSuccess = false;204          break;205        }206      }207      return isSuccess;208    };209210    let accountsCreated = false;211    const maxBlocksChecked = await this.helper.arrange.isDevNode() ? 50 : 5;212    // checkBalances retry up to 5-50 blocks213    for (let index = 0; index < maxBlocksChecked; index++) {214      accountsCreated = await checkBalances();215      if(accountsCreated) break;216      await wait.newBlocks(1);217    }218219    if (!accountsCreated) throw Error('Accounts generation failed');220    //#endregion221222    return accounts;223  };224225  // TODO combine this method and createAccounts into one226  createCrowd = async (accountsToCreate: number, withBalance: bigint, donor: IKeyringPair): Promise<IKeyringPair[]> => {  227    const createAsManyAsCan = async () => {228      let transactions: any = [];229      const accounts: IKeyringPair[] = [];230      let nonce = await this.helper.chain.getNonce(donor.address);231      const tokenNominal = this.helper.balance.getOneTokenNominal();232      for (let i = 0; i < accountsToCreate; i++) {233        if (i === 500) { // if there are too many accounts to create234          await Promise.allSettled(transactions); // wait while first 500 (should be 100 for devnode) tx will be settled 235          transactions = []; //236          nonce = await this.helper.chain.getNonce(donor.address); // update nonce 237        }238        const recepient = this.helper.util.fromSeed(mnemonicGenerate());239        accounts.push(recepient);240        if (withBalance !== 0n) {241          const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recepient.address}, withBalance * tokenNominal]);242          transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));243          nonce++;244        }245      }246      247      const fullfilledAccounts = [];248      await Promise.allSettled(transactions);249      for (const account of accounts) {250        const accountBalance = await this.helper.balance.getSubstrate(account.address);251        if (accountBalance === withBalance * tokenNominal) {252          fullfilledAccounts.push(account);253        }254      }255      return fullfilledAccounts;256    };257258    259    const crowd: IKeyringPair[] = [];260    // do up to 5 retries261    for (let index = 0; index < 5 && accountsToCreate !== 0; index++) {262      const asManyAsCan = await createAsManyAsCan();263      crowd.push(...asManyAsCan);264      accountsToCreate -= asManyAsCan.length;265    }266267    if (accountsToCreate !== 0) throw Error(`Crowd generation failed: ${accountsToCreate} accounts left`);268269    return crowd;270  };271272  isDevNode = async () => {273    let blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();274    if (blockNumber == 0) {275      await this.helper.wait.newBlocks(1); 276      blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();277    }278    const block2 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber])]);279    const block1 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber - 1])]);280    const findCreationDate = (block: any) => {281      const humanBlock = block.toHuman();282      let date;283      humanBlock.block.extrinsics.forEach((ext: any) => {284        if(ext.method.section === 'timestamp') {285          date = Number(ext.method.args.now.replaceAll(',', ''));286        }287      });288      return date;289    };290    const block1date = await findCreationDate(block1);291    const block2date = await findCreationDate(block2);292    if(block2date! - block1date! < 9000) return true;293  };294  295  async calculcateFee(payer: ICrossAccountId, promise: () => Promise<any>): Promise<bigint> {296    const address = payer.Substrate ? payer.Substrate : await this.helper.address.ethToSubstrate(payer.Ethereum!);297    let balance = await this.helper.balance.getSubstrate(address); 298    299    await promise();300    301    balance -= await this.helper.balance.getSubstrate(address);302    303    return balance;304  }305306  calculatePalletAddress(palletId: any) {307    const address = stringToU8a(('modl' + palletId).padEnd(32, '\0'));308    return encodeAddress(address, this.helper.chain.getChainProperties().ss58Format);309  }310311  makeScheduledIds(num: number): string[] {312    function makeId(slider: number) {313      const scheduledIdSize = 64;314      const hexId = slider.toString(16);315      const prefixSize = scheduledIdSize - hexId.length;316317      const scheduledId = '0x' + '0'.repeat(prefixSize) + hexId;318319      return scheduledId;  320    }321322    const ids = [];323    for (let i = 0; i < num; i++) {324      ids.push(makeId(this.scheduledIdSlider));325      this.scheduledIdSlider += 1;326    }327328    return ids;329  }330331  makeScheduledId(): string {332    return (this.makeScheduledIds(1))[0];333  }334335  async captureEvents(eventSection: string, eventMethod: string): Promise<EventCapture> {336    const capture = new EventCapture(this.helper, eventSection, eventMethod);337    await capture.startCapture();338339    return capture;340  }341}342343class MoonbeamAccountGroup {344  helper: MoonbeamHelper;345346  keyring: Keyring;347  _alithAccount: IKeyringPair;348  _baltatharAccount: IKeyringPair;349  _dorothyAccount: IKeyringPair;350351  constructor(helper: MoonbeamHelper) {352    this.helper = helper;353354    this.keyring = new Keyring({type: 'ethereum'});355    const alithPrivateKey = '0x5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133';356    const baltatharPrivateKey = '0x8075991ce870b93a8870eca0c0f91913d12f47948ca0fd25b49c6fa7cdbeee8b';357    const dorothyPrivateKey = '0x39539ab1876910bbf3a223d84a29e28f1cb4e2e456503e7e91ed39b2e7223d68';358359    this._alithAccount = this.keyring.addFromUri(alithPrivateKey, undefined, 'ethereum');360    this._baltatharAccount = this.keyring.addFromUri(baltatharPrivateKey, undefined, 'ethereum');361    this._dorothyAccount = this.keyring.addFromUri(dorothyPrivateKey, undefined, 'ethereum');362  }363364  alithAccount() {365    return this._alithAccount;366  }367368  baltatharAccount() {369    return this._baltatharAccount;370  }371372  dorothyAccount() {373    return this._dorothyAccount;374  }375376  create() {377    return this.keyring.addFromUri(mnemonicGenerate());378  }379}380381class WaitGroup {382  helper: ChainHelperBase;383384  constructor(helper: ChainHelperBase) {385    this.helper = helper;386  }387388  sleep(milliseconds: number) {389    return new Promise((resolve) => setTimeout(resolve, milliseconds));390  }391392  private async waitWithTimeout(promise: Promise<any>, timeout: number) {393    let isBlock = false;394    promise.then(() => isBlock = true).catch(() => isBlock = true);395    let totalTime = 0;396    const step = 100;397    while(!isBlock) {398      await this.sleep(step);399      totalTime += step;400      if(totalTime >= timeout) throw Error('Blocks production failed');401    }402    return promise;403  }404405  /**406   * Wait for specified number of blocks407   * @param blocksCount number of blocks to wait408   * @returns 409   */410  async newBlocks(blocksCount = 1, timeout?: number): Promise<void> {411    timeout = timeout ?? blocksCount * 60_000;412    // eslint-disable-next-line no-async-promise-executor413    const promise = new Promise<void>(async (resolve) => {414      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(() => {415        if (blocksCount > 0) {416          blocksCount--;417        } else {418          unsubscribe();419          resolve();420        }421      });422    });423    await this.waitWithTimeout(promise, timeout);424    return promise;425  }426427  async forParachainBlockNumber(blockNumber: bigint | number, timeout?: number) {428    timeout = timeout ?? 30 * 60 * 1000;429    // eslint-disable-next-line no-async-promise-executor430    const promise = new Promise<void>(async (resolve) => {431      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads((data: any) => {432        if (data.number.toNumber() >= blockNumber) {433          unsubscribe();434          resolve();435        }436      });437    });438    await this.waitWithTimeout(promise, timeout);439    return promise;440  }441  442  async forRelayBlockNumber(blockNumber: bigint | number, timeout?: number) {443    timeout = timeout ?? 30 * 60 * 1000;444    // eslint-disable-next-line no-async-promise-executor445    const promise = new Promise<void>(async (resolve) => {446      const unsubscribe = await this.helper.getApi().query.parachainSystem.validationData((data: any) => {447        if (data.value.relayParentNumber.toNumber() >= blockNumber) {448          // @ts-ignore449          unsubscribe();450          resolve();451        }452      });453    });454    await this.waitWithTimeout(promise, timeout);455    return promise;456  }457458  noScheduledTasks() {459    const api = this.helper.getApi();460    461    // eslint-disable-next-line no-async-promise-executor462    const promise = new Promise<void>(async resolve => {463      const unsubscribe = await api.rpc.chain.subscribeNewHeads(async () => {464        const areThereScheduledTasks = await api.query.scheduler.lookup.entries();465466        if(areThereScheduledTasks.length == 0) {467          unsubscribe();468          resolve();469        }470      }); 471    });472473    return promise;474  }475476  event(maxBlocksToWait: number, eventSection: string, eventMethod: string) {477    // eslint-disable-next-line no-async-promise-executor478    const promise = new Promise<EventRecord | null>(async (resolve) => {479      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(async header => {480        const blockNumber = header.number.toHuman();481        const blockHash = header.hash;482        const eventIdStr = `${eventSection}.${eventMethod}`;483        const waitLimitStr = `wait blocks remaining: ${maxBlocksToWait}`;484  485        this.helper.logger.log(`[Block #${blockNumber}] Waiting for event \`${eventIdStr}\` (${waitLimitStr})`);486  487        const apiAt = await this.helper.getApi().at(blockHash);488        const eventRecords = (await apiAt.query.system.events()) as any;489  490        const neededEvent = eventRecords.toArray().find((r: FrameSystemEventRecord) => {491          return r.event.section == eventSection && r.event.method == eventMethod;492        });493  494        if (neededEvent) {495          unsubscribe();496          resolve(neededEvent);497        } else if (maxBlocksToWait > 0) {498          maxBlocksToWait--;499        } else {500          this.helper.logger.log(`Event \`${eventIdStr}\` is NOT found`);501          unsubscribe();502          resolve(null);503        }504      });505    });506    return promise;507  }508}509510class TestUtilGroup {511  helper: DevUniqueHelper;512513  constructor(helper: DevUniqueHelper) {514    this.helper = helper;515  }516517  async enable() {518    if (this.helper.fetchMissingPalletNames([Pallets.TestUtils]).length != 0) {519      return;520    }521522    const signer = this.helper.util.fromSeed('//Alice');523    await this.helper.getSudo<DevUniqueHelper>().executeExtrinsic(signer, 'api.tx.testUtils.enable', [], true);524  }525526  async setTestValue(signer: TSigner, testVal: number) {527    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValue', [testVal], true);528  }529530  async incTestValue(signer: TSigner) {531    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.incTestValue', [], true);532  }533534  async setTestValueAndRollback(signer: TSigner, testVal: number) {535    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValueAndRollback', [testVal], true);536  }537538  async testValue(blockIdx?: number) {539    const api = blockIdx540      ? await this.helper.getApi().at(await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockIdx]))541      : this.helper.getApi();542543    return (await api.query.testUtils.testValue()).toJSON();544  }545546  async justTakeFee(signer: TSigner) {547    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.justTakeFee', [], true);548  }549550  async selfCancelingInc(signer: TSigner, scheduledId: string, maxTestVal: number) {551    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.selfCancelingInc', [scheduledId, maxTestVal], true);552  }553}554555class EventCapture {556  helper: DevUniqueHelper;557  eventSection: string;558  eventMethod: string;559  events: EventRecord[] = [];560  unsubscribe: VoidFn | null = null;561562  constructor(563    helper: DevUniqueHelper,564    eventSection: string,565    eventMethod: string,566  ) {567    this.helper = helper;568    this.eventSection = eventSection;569    this.eventMethod = eventMethod;570  }571572  async startCapture() {573    this.stopCapture();574    this.unsubscribe = (await this.helper.getApi().query.system.events((eventRecords: FrameSystemEventRecord[]) => {575      const newEvents = eventRecords.filter(r => {576        return r.event.section == this.eventSection && r.event.method == this.eventMethod;577      });578579      this.events.push(...newEvents);580    })) as any;581  }582583  stopCapture() {584    if (this.unsubscribe !== null) {585      this.unsubscribe();586    }587  }588589  extractCapturedEvents() {590    return this.events;591  }592}593594class AdminGroup {595  helper: UniqueHelper;596597  constructor(helper: UniqueHelper) {598    this.helper = helper;599  }600601  async payoutStakers(signer: IKeyringPair, stakersToPayout: number) {602    const payoutResult = await this.helper.executeExtrinsic(signer, 'api.tx.appPromotion.payoutStakers', [stakersToPayout], true);603    return payoutResult.result.events.filter(e => e.event.method === 'StakingRecalculation').map(e => {604      return {605        staker: e.event.data[0].toString(),606        stake: e.event.data[1].toBigInt(),607        payout: e.event.data[2].toBigInt(),608      };609    });610  }611}
after · tests/src/util/playgrounds/unique.dev.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// SPDX-License-Identifier: Apache-2.034import {stringToU8a} from '@polkadot/util';5import {encodeAddress, mnemonicGenerate} from '@polkadot/util-crypto';6import {UniqueHelper, MoonbeamHelper, ChainHelperBase, AcalaHelper, RelayHelper, WestmintHelper} from './unique';7import {ApiPromise, Keyring, WsProvider} from '@polkadot/api';8import * as defs from '../../interfaces/definitions';9import {IKeyringPair} from '@polkadot/types/types';10import {EventRecord} from '@polkadot/types/interfaces';11import {ICrossAccountId, TSigner} from './types';12import {FrameSystemEventRecord} from '@polkadot/types/lookup';13import {VoidFn} from '@polkadot/api/types';14import {Pallets} from '..';1516export class SilentLogger {17  log(_msg: any, _level: any): void { }18  level = {19    ERROR: 'ERROR' as const,20    WARNING: 'WARNING' as const,21    INFO: 'INFO' as const,22  };23}2425export class SilentConsole {26  // TODO: Remove, this is temporary: Filter unneeded API output27  // (Jaco promised it will be removed in the next version)28  consoleErr: any;29  consoleLog: any;30  consoleWarn: any;3132  constructor() {33    this.consoleErr = console.error;34    this.consoleLog = console.log;35    this.consoleWarn = console.warn;36  }3738  enable() {  39    const outFn = (printer: any) => (...args: any[]) => {40      for (const arg of args) {41        if (typeof arg !== 'string')42          continue;43        if (arg.includes('1000:: Normal connection closure') || arg.includes('Not decorating unknown runtime apis:') || arg.includes('RPC methods not decorated:') || arg === 'Normal connection closure')44          return;45      }46      printer(...args);47    };48  49    console.error = outFn(this.consoleErr.bind(console));50    console.log = outFn(this.consoleLog.bind(console));51    console.warn = outFn(this.consoleWarn.bind(console));52  }5354  disable() {55    console.error = this.consoleErr;56    console.log = this.consoleLog;57    console.warn = this.consoleWarn;58  }59}6061export class DevUniqueHelper extends UniqueHelper {62  /**63   * Arrange methods for tests64   */65  arrange: ArrangeGroup;66  wait: WaitGroup;67  admin: AdminGroup;68  testUtils: TestUtilGroup;6970  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {71    options.helperBase = options.helperBase ?? DevUniqueHelper;7273    super(logger, options);74    this.arrange = new ArrangeGroup(this);75    this.wait = new WaitGroup(this);76    this.admin = new AdminGroup(this);77    this.testUtils = new TestUtilGroup(this);78  }7980  async connect(wsEndpoint: string, _listeners?: any): Promise<void> {81    const wsProvider = new WsProvider(wsEndpoint);82    this.api = new ApiPromise({83      provider: wsProvider,84      signedExtensions: {85        ContractHelpers: {86          extrinsic: {},87          payload: {},88        },89        CheckMaintenance: {90          extrinsic: {},91          payload: {},92        },93        FakeTransactionFinalizer: {94          extrinsic: {},95          payload: {},96        },97      },98      rpc: {99        unique: defs.unique.rpc,100        appPromotion: defs.appPromotion.rpc,101        rmrk: defs.rmrk.rpc,102        eth: {103          feeHistory: {104            description: 'Dummy',105            params: [],106            type: 'u8',107          },108          maxPriorityFeePerGas: {109            description: 'Dummy',110            params: [],111            type: 'u8',112          },113        },114      },115    });116    await this.api.isReadyOrError;117    this.network = await UniqueHelper.detectNetwork(this.api);118  }119}120121export class DevRelayHelper extends RelayHelper {}122123export class DevWestmintHelper extends WestmintHelper {124  wait: WaitGroup;125126  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {127    options.helperBase = options.helperBase ?? DevWestmintHelper;128129    super(logger, options);130    this.wait = new WaitGroup(this);131  }132}133134export class DevStatemineHelper extends DevWestmintHelper {}135136export class DevStatemintHelper extends DevWestmintHelper {}137138export class DevMoonbeamHelper extends MoonbeamHelper {139  account: MoonbeamAccountGroup;140  wait: WaitGroup;141142  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {143    options.helperBase = options.helperBase ?? DevMoonbeamHelper;144145    super(logger, options);146    this.account = new MoonbeamAccountGroup(this);147    this.wait = new WaitGroup(this);148  }149}150151export class DevMoonriverHelper extends DevMoonbeamHelper {}152153export class DevAcalaHelper extends AcalaHelper {154  wait: WaitGroup;155156  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {157    options.helperBase = options.helperBase ?? DevAcalaHelper;158159    super(logger, options);160    this.wait = new WaitGroup(this);161  }162}163164export class DevKaruraHelper extends DevAcalaHelper {}165166class ArrangeGroup {167  helper: DevUniqueHelper;168169  scheduledIdSlider = 0;170171  constructor(helper: DevUniqueHelper) {172    this.helper = helper;173  }174175  /**176   * Generates accounts with the specified UNQ token balance 177   * @param balances balances for generated accounts. Each balance will be multiplied by the token nominal.178   * @param donor donor account for balances179   * @returns array of newly created accounts180   * @example const [acc1, acc2, acc3] = await createAccounts([0n, 10n, 20n], donor); 181   */182  createAccounts = async (balances: bigint[], donor: IKeyringPair): Promise<IKeyringPair[]> => {183    let nonce = await this.helper.chain.getNonce(donor.address);184    const wait = new WaitGroup(this.helper);185    const ss58Format = this.helper.chain.getChainProperties().ss58Format;186    const tokenNominal = this.helper.balance.getOneTokenNominal();187    const transactions = [];188    const accounts: IKeyringPair[] = [];189    for (const balance of balances) {190      const recipient = this.helper.util.fromSeed(mnemonicGenerate(), ss58Format);191      accounts.push(recipient);192      if (balance !== 0n) {193        const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recipient.address}, balance * tokenNominal]);194        transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));195        nonce++;196      }197    }198199    await Promise.all(transactions).catch(_e => {});200    201    //#region TODO remove this region, when nonce problem will be solved202    const checkBalances = async () => {203      let isSuccess = true;204      for (let i = 0; i < balances.length; i++) {205        const balance = await this.helper.balance.getSubstrate(accounts[i].address);206        if (balance !== balances[i] * tokenNominal) {207          isSuccess = false;208          break;209        }210      }211      return isSuccess;212    };213214    let accountsCreated = false;215    const maxBlocksChecked = await this.helper.arrange.isDevNode() ? 50 : 5;216    // checkBalances retry up to 5-50 blocks217    for (let index = 0; index < maxBlocksChecked; index++) {218      accountsCreated = await checkBalances();219      if(accountsCreated) break;220      await wait.newBlocks(1);221    }222223    if (!accountsCreated) throw Error('Accounts generation failed');224    //#endregion225226    return accounts;227  };228229  // TODO combine this method and createAccounts into one230  createCrowd = async (accountsToCreate: number, withBalance: bigint, donor: IKeyringPair): Promise<IKeyringPair[]> => {  231    const createAsManyAsCan = async () => {232      let transactions: any = [];233      const accounts: IKeyringPair[] = [];234      let nonce = await this.helper.chain.getNonce(donor.address);235      const tokenNominal = this.helper.balance.getOneTokenNominal();236      for (let i = 0; i < accountsToCreate; i++) {237        if (i === 500) { // if there are too many accounts to create238          await Promise.allSettled(transactions); // wait while first 500 (should be 100 for devnode) tx will be settled 239          transactions = []; //240          nonce = await this.helper.chain.getNonce(donor.address); // update nonce 241        }242        const recepient = this.helper.util.fromSeed(mnemonicGenerate());243        accounts.push(recepient);244        if (withBalance !== 0n) {245          const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recepient.address}, withBalance * tokenNominal]);246          transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));247          nonce++;248        }249      }250      251      const fullfilledAccounts = [];252      await Promise.allSettled(transactions);253      for (const account of accounts) {254        const accountBalance = await this.helper.balance.getSubstrate(account.address);255        if (accountBalance === withBalance * tokenNominal) {256          fullfilledAccounts.push(account);257        }258      }259      return fullfilledAccounts;260    };261262    263    const crowd: IKeyringPair[] = [];264    // do up to 5 retries265    for (let index = 0; index < 5 && accountsToCreate !== 0; index++) {266      const asManyAsCan = await createAsManyAsCan();267      crowd.push(...asManyAsCan);268      accountsToCreate -= asManyAsCan.length;269    }270271    if (accountsToCreate !== 0) throw Error(`Crowd generation failed: ${accountsToCreate} accounts left`);272273    return crowd;274  };275276  isDevNode = async () => {277    let blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();278    if (blockNumber == 0) {279      await this.helper.wait.newBlocks(1); 280      blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();281    }282    const block2 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber])]);283    const block1 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber - 1])]);284    const findCreationDate = (block: any) => {285      const humanBlock = block.toHuman();286      let date;287      humanBlock.block.extrinsics.forEach((ext: any) => {288        if(ext.method.section === 'timestamp') {289          date = Number(ext.method.args.now.replaceAll(',', ''));290        }291      });292      return date;293    };294    const block1date = await findCreationDate(block1);295    const block2date = await findCreationDate(block2);296    if(block2date! - block1date! < 9000) return true;297  };298  299  async calculcateFee(payer: ICrossAccountId, promise: () => Promise<any>): Promise<bigint> {300    const address = payer.Substrate ? payer.Substrate : await this.helper.address.ethToSubstrate(payer.Ethereum!);301    let balance = await this.helper.balance.getSubstrate(address); 302    303    await promise();304    305    balance -= await this.helper.balance.getSubstrate(address);306    307    return balance;308  }309310  calculatePalletAddress(palletId: any) {311    const address = stringToU8a(('modl' + palletId).padEnd(32, '\0'));312    return encodeAddress(address, this.helper.chain.getChainProperties().ss58Format);313  }314315  makeScheduledIds(num: number): string[] {316    function makeId(slider: number) {317      const scheduledIdSize = 64;318      const hexId = slider.toString(16);319      const prefixSize = scheduledIdSize - hexId.length;320321      const scheduledId = '0x' + '0'.repeat(prefixSize) + hexId;322323      return scheduledId;  324    }325326    const ids = [];327    for (let i = 0; i < num; i++) {328      ids.push(makeId(this.scheduledIdSlider));329      this.scheduledIdSlider += 1;330    }331332    return ids;333  }334335  makeScheduledId(): string {336    return (this.makeScheduledIds(1))[0];337  }338339  async captureEvents(eventSection: string, eventMethod: string): Promise<EventCapture> {340    const capture = new EventCapture(this.helper, eventSection, eventMethod);341    await capture.startCapture();342343    return capture;344  }345}346347class MoonbeamAccountGroup {348  helper: MoonbeamHelper;349350  keyring: Keyring;351  _alithAccount: IKeyringPair;352  _baltatharAccount: IKeyringPair;353  _dorothyAccount: IKeyringPair;354355  constructor(helper: MoonbeamHelper) {356    this.helper = helper;357358    this.keyring = new Keyring({type: 'ethereum'});359    const alithPrivateKey = '0x5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133';360    const baltatharPrivateKey = '0x8075991ce870b93a8870eca0c0f91913d12f47948ca0fd25b49c6fa7cdbeee8b';361    const dorothyPrivateKey = '0x39539ab1876910bbf3a223d84a29e28f1cb4e2e456503e7e91ed39b2e7223d68';362363    this._alithAccount = this.keyring.addFromUri(alithPrivateKey, undefined, 'ethereum');364    this._baltatharAccount = this.keyring.addFromUri(baltatharPrivateKey, undefined, 'ethereum');365    this._dorothyAccount = this.keyring.addFromUri(dorothyPrivateKey, undefined, 'ethereum');366  }367368  alithAccount() {369    return this._alithAccount;370  }371372  baltatharAccount() {373    return this._baltatharAccount;374  }375376  dorothyAccount() {377    return this._dorothyAccount;378  }379380  create() {381    return this.keyring.addFromUri(mnemonicGenerate());382  }383}384385class WaitGroup {386  helper: ChainHelperBase;387388  constructor(helper: ChainHelperBase) {389    this.helper = helper;390  }391392  sleep(milliseconds: number) {393    return new Promise((resolve) => setTimeout(resolve, milliseconds));394  }395396  private async waitWithTimeout(promise: Promise<any>, timeout: number) {397    let isBlock = false;398    promise.then(() => isBlock = true).catch(() => isBlock = true);399    let totalTime = 0;400    const step = 100;401    while(!isBlock) {402      await this.sleep(step);403      totalTime += step;404      if(totalTime >= timeout) throw Error('Blocks production failed');405    }406    return promise;407  }408409  /**410   * Wait for specified number of blocks411   * @param blocksCount number of blocks to wait412   * @returns 413   */414  async newBlocks(blocksCount = 1, timeout?: number): Promise<void> {415    timeout = timeout ?? blocksCount * 60_000;416    // eslint-disable-next-line no-async-promise-executor417    const promise = new Promise<void>(async (resolve) => {418      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(() => {419        if (blocksCount > 0) {420          blocksCount--;421        } else {422          unsubscribe();423          resolve();424        }425      });426    });427    await this.waitWithTimeout(promise, timeout);428    return promise;429  }430431  async forParachainBlockNumber(blockNumber: bigint | number, timeout?: number) {432    timeout = timeout ?? 30 * 60 * 1000;433    // eslint-disable-next-line no-async-promise-executor434    const promise = new Promise<void>(async (resolve) => {435      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads((data: any) => {436        if (data.number.toNumber() >= blockNumber) {437          unsubscribe();438          resolve();439        }440      });441    });442    await this.waitWithTimeout(promise, timeout);443    return promise;444  }445  446  async forRelayBlockNumber(blockNumber: bigint | number, timeout?: number) {447    timeout = timeout ?? 30 * 60 * 1000;448    // eslint-disable-next-line no-async-promise-executor449    const promise = new Promise<void>(async (resolve) => {450      const unsubscribe = await this.helper.getApi().query.parachainSystem.validationData((data: any) => {451        if (data.value.relayParentNumber.toNumber() >= blockNumber) {452          // @ts-ignore453          unsubscribe();454          resolve();455        }456      });457    });458    await this.waitWithTimeout(promise, timeout);459    return promise;460  }461462  noScheduledTasks() {463    const api = this.helper.getApi();464    465    // eslint-disable-next-line no-async-promise-executor466    const promise = new Promise<void>(async resolve => {467      const unsubscribe = await api.rpc.chain.subscribeNewHeads(async () => {468        const areThereScheduledTasks = await api.query.scheduler.lookup.entries();469470        if(areThereScheduledTasks.length == 0) {471          unsubscribe();472          resolve();473        }474      }); 475    });476477    return promise;478  }479480  event(maxBlocksToWait: number, eventSection: string, eventMethod: string) {481    // eslint-disable-next-line no-async-promise-executor482    const promise = new Promise<EventRecord | null>(async (resolve) => {483      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(async header => {484        const blockNumber = header.number.toHuman();485        const blockHash = header.hash;486        const eventIdStr = `${eventSection}.${eventMethod}`;487        const waitLimitStr = `wait blocks remaining: ${maxBlocksToWait}`;488  489        this.helper.logger.log(`[Block #${blockNumber}] Waiting for event \`${eventIdStr}\` (${waitLimitStr})`);490  491        const apiAt = await this.helper.getApi().at(blockHash);492        const eventRecords = (await apiAt.query.system.events()) as any;493  494        const neededEvent = eventRecords.toArray().find((r: FrameSystemEventRecord) => {495          return r.event.section == eventSection && r.event.method == eventMethod;496        });497  498        if (neededEvent) {499          unsubscribe();500          resolve(neededEvent);501        } else if (maxBlocksToWait > 0) {502          maxBlocksToWait--;503        } else {504          this.helper.logger.log(`Event \`${eventIdStr}\` is NOT found`);505          unsubscribe();506          resolve(null);507        }508      });509    });510    return promise;511  }512}513514class TestUtilGroup {515  helper: DevUniqueHelper;516517  constructor(helper: DevUniqueHelper) {518    this.helper = helper;519  }520521  async enable() {522    if (this.helper.fetchMissingPalletNames([Pallets.TestUtils]).length != 0) {523      return;524    }525526    const signer = this.helper.util.fromSeed('//Alice');527    await this.helper.getSudo<DevUniqueHelper>().executeExtrinsic(signer, 'api.tx.testUtils.enable', [], true);528  }529530  async setTestValue(signer: TSigner, testVal: number) {531    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValue', [testVal], true);532  }533534  async incTestValue(signer: TSigner) {535    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.incTestValue', [], true);536  }537538  async setTestValueAndRollback(signer: TSigner, testVal: number) {539    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValueAndRollback', [testVal], true);540  }541542  async testValue(blockIdx?: number) {543    const api = blockIdx544      ? await this.helper.getApi().at(await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockIdx]))545      : this.helper.getApi();546547    return (await api.query.testUtils.testValue()).toJSON();548  }549550  async justTakeFee(signer: TSigner) {551    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.justTakeFee', [], true);552  }553554  async selfCancelingInc(signer: TSigner, scheduledId: string, maxTestVal: number) {555    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.selfCancelingInc', [scheduledId, maxTestVal], true);556  }557}558559class EventCapture {560  helper: DevUniqueHelper;561  eventSection: string;562  eventMethod: string;563  events: EventRecord[] = [];564  unsubscribe: VoidFn | null = null;565566  constructor(567    helper: DevUniqueHelper,568    eventSection: string,569    eventMethod: string,570  ) {571    this.helper = helper;572    this.eventSection = eventSection;573    this.eventMethod = eventMethod;574  }575576  async startCapture() {577    this.stopCapture();578    this.unsubscribe = (await this.helper.getApi().query.system.events((eventRecords: FrameSystemEventRecord[]) => {579      const newEvents = eventRecords.filter(r => {580        return r.event.section == this.eventSection && r.event.method == this.eventMethod;581      });582583      this.events.push(...newEvents);584    })) as any;585  }586587  stopCapture() {588    if (this.unsubscribe !== null) {589      this.unsubscribe();590    }591  }592593  extractCapturedEvents() {594    return this.events;595  }596}597598class AdminGroup {599  helper: UniqueHelper;600601  constructor(helper: UniqueHelper) {602    this.helper = helper;603  }604605  async payoutStakers(signer: IKeyringPair, stakersToPayout: number) {606    const payoutResult = await this.helper.executeExtrinsic(signer, 'api.tx.appPromotion.payoutStakers', [stakersToPayout], true);607    return payoutResult.result.events.filter(e => e.event.method === 'StakingRecalculation').map(e => {608      return {609        staker: e.event.data[0].toString(),610        stake: e.event.data[1].toBigInt(),611        payout: e.event.data[2].toBigInt(),612      };613    });614  }615}
modifiedtests/src/xcm/xcmQuartz.test.tsdiffbeforeafterboth
--- a/tests/src/xcm/xcmQuartz.test.ts
+++ b/tests/src/xcm/xcmQuartz.test.ts
@@ -18,20 +18,406 @@
 import {blake2AsHex} from '@polkadot/util-crypto';
 import config from '../config';
 import {XcmV2TraitsOutcome, XcmV2TraitsError} from '../interfaces';
-import {itSub, expect, describeXCM, usingPlaygrounds, usingKaruraPlaygrounds, usingRelayPlaygrounds, usingMoonriverPlaygrounds} from '../util';
+import {itSub, expect, describeXCM, usingPlaygrounds, usingKaruraPlaygrounds, usingRelayPlaygrounds, usingMoonriverPlaygrounds, usingStateminePlaygrounds} from '../util';
 
 const QUARTZ_CHAIN = 2095;
+const STATEMINE_CHAIN = 1000;
 const KARURA_CHAIN = 2000;
 const MOONRIVER_CHAIN = 2023;
 
+const STATEMINE_PALLET_INSTANCE = 50;
+
 const relayUrl = config.relayUrl;
+const statemineUrl = config.statemineUrl;
 const karuraUrl = config.karuraUrl;
 const moonriverUrl = config.moonriverUrl;
 
+const STATEMINE_DECIMALS = 12;
 const KARURA_DECIMALS = 12;
 
 const TRANSFER_AMOUNT = 2000000000000000000000000n;
 
+const USDT_ASSET_ID = 100;
+const USDT_ASSET_METADATA_DECIMALS = 18;
+const USDT_ASSET_METADATA_NAME = 'USDT';
+const USDT_ASSET_METADATA_DESCRIPTION = 'USDT';
+const USDT_ASSET_METADATA_MINIMAL_BALANCE = 1n;
+
+describeXCM('[XCM] Integration test: Exchanging USDT with Statemine', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+  
+  let balanceStmnBefore: bigint;
+  let balanceStmnAfter: bigint;
+
+  let balanceQuartzBefore: bigint;
+  let balanceQuartzAfter: bigint;
+  let balanceQuartzFinal: bigint;
+
+  let balanceBobBefore: bigint;
+  let balanceBobAfter: bigint;
+  let balanceBobFinal: bigint;
+
+  let balanceBobRelayTokenBefore: bigint;
+  let balanceBobRelayTokenAfter: bigint;
+
+
+  before(async () => {
+    await usingPlaygrounds(async (_helper, privateKey) => {
+      alice = await privateKey('//Alice');
+      bob = await privateKey('//Bob'); // funds donor
+    });
+
+    await usingStateminePlaygrounds(statemineUrl, async (helper) => {
+      // 350.00 (three hundred fifty) DOT
+      const fundingAmount = 3_500_000_000_000n; 
+
+      await helper.assets.create(
+        alice,
+        USDT_ASSET_ID,
+        alice.address,
+        USDT_ASSET_METADATA_MINIMAL_BALANCE,
+      );
+      await helper.assets.setMetadata(
+        alice,
+        USDT_ASSET_ID,
+        USDT_ASSET_METADATA_NAME,
+        USDT_ASSET_METADATA_DESCRIPTION,
+        USDT_ASSET_METADATA_DECIMALS,
+      );
+      await helper.assets.mint(
+        alice,
+        USDT_ASSET_ID,
+        alice.address,
+        TRANSFER_AMOUNT,
+      );
+
+      // funding parachain sovereing account (Parachain: 2095)
+      const parachainSovereingAccount = helper.address.paraSiblingSovereignAccount(QUARTZ_CHAIN);
+      await helper.balance.transferToSubstrate(bob, parachainSovereingAccount, fundingAmount);
+    });
+
+
+    await usingPlaygrounds(async (helper) => {
+      const location = {
+        V1: {
+          parents: 1,
+          interior: {X3: [
+            {
+              Parachain: STATEMINE_CHAIN,
+            },
+            {
+              PalletInstance: STATEMINE_PALLET_INSTANCE,
+            },
+            {
+              GeneralIndex: USDT_ASSET_ID,
+            },
+          ]},
+        },
+      };
+
+      const metadata =
+      {
+        name: USDT_ASSET_ID,
+        symbol: USDT_ASSET_METADATA_NAME,
+        decimals: USDT_ASSET_METADATA_DECIMALS,
+        minimalBalance: USDT_ASSET_METADATA_MINIMAL_BALANCE,
+      };
+      await helper.getSudo().foreignAssets.register(alice, alice.address, location, metadata);
+      balanceQuartzBefore = await helper.balance.getSubstrate(alice.address);
+    });
+
+
+    // Providing the relay currency to the unique sender account
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      const destination = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            Parachain: QUARTZ_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: 'Here',
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+      const weightLimit = 5_000_000_000;
+
+      await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, weightLimit);
+    });
+  
+  });
+
+  itSub('Should connect and send USDT from Statemine to Quartz', async ({helper}) => {
+    await usingStateminePlaygrounds(statemineUrl, async (helper) => {
+      const dest = {
+        V1: {
+          parents: 1,
+          interior: {X1: {
+            Parachain: QUARTZ_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: {
+                  X2: [
+                    {
+                      PalletInstance: STATEMINE_PALLET_INSTANCE,
+                    },
+                    {
+                      GeneralIndex: USDT_ASSET_ID,
+                    }, 
+                  ]},
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+      const weightLimit = 5000000000;
+
+      balanceStmnBefore = await helper.balance.getSubstrate(alice.address);
+      await helper.xcm.limitedReserveTransferAssets(alice, dest, beneficiary, assets, feeAssetItem, weightLimit);
+
+      balanceStmnAfter = await helper.balance.getSubstrate(alice.address);
+
+      // common good parachain take commission in it native token
+      console.log(
+        '[Quartz -> Statemine] transaction fees on Statemine: %s WND',
+        helper.util.bigIntToDecimals(balanceStmnBefore - balanceStmnAfter, STATEMINE_DECIMALS),
+      );
+      expect(balanceStmnBefore > balanceStmnAfter).to.be.true;
+
+    });
+
+
+    // ensure that asset has been delivered
+    await helper.wait.newBlocks(3);
+
+    // expext collection id will be with id 1
+    const free = await helper.ft.getBalance(1, {Substrate: alice.address});
+
+    balanceQuartzAfter = await helper.balance.getSubstrate(alice.address);
+
+    // commission has not paid in USDT token
+    expect(free == TRANSFER_AMOUNT).to.be.true;
+    console.log(
+      '[Quartz -> Statemine] transaction fees on Quartz: %s USDT',
+      helper.util.bigIntToDecimals(TRANSFER_AMOUNT - free),
+    );
+    // ... and parachain native token
+    expect(balanceQuartzAfter == balanceQuartzBefore).to.be.true;
+    console.log(
+      '[Quartz -> Statemine] transaction fees on Quartz: %s WND',
+      helper.util.bigIntToDecimals(balanceQuartzAfter - balanceQuartzBefore, STATEMINE_DECIMALS),
+    );    
+  });
+
+  itSub('Should connect and send USDT from Quartz to Statemine back', async ({helper}) => {
+    const destination = {
+      V1: {
+        parents: 1,
+        interior: {X2: [
+          {
+            Parachain: STATEMINE_CHAIN,
+          },
+          {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          },
+        ]},
+      },
+    };
+
+    const currencies: [any, bigint][] = [
+      [
+        {
+          ForeignAssetId: 0,
+        },
+        //10_000_000_000_000_000n,
+        TRANSFER_AMOUNT,
+      ], 
+      [
+        {
+          NativeAssetId: 'Parent',
+        },
+        400_000_000_000_000n,
+      ],
+    ];
+
+    const feeItem = 1;
+    const destWeight = 500000000000;
+
+    await helper.xTokens.transferMulticurrencies(alice, currencies, feeItem, destination, destWeight);
+    
+    // the commission has been paid in parachain native token
+    balanceQuartzFinal = await helper.balance.getSubstrate(alice.address);
+    expect(balanceQuartzAfter > balanceQuartzFinal).to.be.true;
+
+    await usingStateminePlaygrounds(statemineUrl, async (helper) => {
+      await helper.wait.newBlocks(3);
+      
+      // The USDT token never paid fees. Its amount not changed from begin value.
+      // Also check that xcm transfer has been succeeded 
+      expect((await helper.assets.account(USDT_ASSET_ID, alice.address))! == TRANSFER_AMOUNT).to.be.true;
+    });
+  });
+
+  itSub('Should connect and send Relay token to Quartz', async ({helper}) => {
+    balanceBobBefore = await helper.balance.getSubstrate(bob.address);
+    balanceBobRelayTokenBefore = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});
+
+    // Providing the relay currency to the unique sender account
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      const destination = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            Parachain: QUARTZ_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: bob.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: 'Here',
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+      const weightLimit = 5_000_000_000;
+
+      await helper.xcm.limitedReserveTransferAssets(bob, destination, beneficiary, assets, feeAssetItem, weightLimit);
+    });
+  
+    await helper.wait.newBlocks(3);
+
+    balanceBobAfter = await helper.balance.getSubstrate(bob.address);  
+    balanceBobRelayTokenAfter = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});
+
+    const wndFee = balanceBobRelayTokenAfter - TRANSFER_AMOUNT - balanceBobRelayTokenBefore; 
+    console.log(
+      '[Relay (Westend) -> Quartz] transaction fees: %s QTZ',
+      helper.util.bigIntToDecimals(balanceBobAfter - balanceBobBefore),
+    );
+    console.log(
+      '[Relay (Westend) -> Quartz] transaction fees: %s WND',
+      helper.util.bigIntToDecimals(wndFee, STATEMINE_DECIMALS),
+    );
+    expect(balanceBobBefore == balanceBobAfter).to.be.true;
+    expect(balanceBobRelayTokenBefore < balanceBobRelayTokenAfter).to.be.true;
+  });
+
+  itSub('Should connect and send Relay token back', async ({helper}) => {
+    const destination = {
+      V1: {
+        parents: 1,
+        interior: {X2: [
+          {
+            Parachain: STATEMINE_CHAIN,
+          },
+          {
+            AccountId32: {
+              network: 'Any',
+              id: bob.addressRaw,
+            },
+          },
+        ]},
+      },
+    };
+
+    const currencies: any = [
+      [
+        {
+          NativeAssetId: 'Parent',
+        },
+        TRANSFER_AMOUNT,
+      ],
+    ];
+
+    const feeItem = 0;
+    const destWeight = 500000000000;
+
+    await helper.xTokens.transferMulticurrencies(bob, currencies, feeItem, destination, destWeight);
+
+    balanceBobFinal = await helper.balance.getSubstrate(bob.address);
+    console.log('[Relay (Westend) to Quartz] transaction fees: %s QTZ', balanceBobAfter - balanceBobFinal);
+  });
+});
+
 describeXCM('[XCM] Integration test: Exchanging tokens with Karura', () => {
   let alice: IKeyringPair;
   let randomAccount: IKeyringPair;
@@ -249,7 +635,7 @@
               },
             },
             fun: {
-              Fungible: 50_000_000_000_000_000n,
+              Fungible: TRANSFER_AMOUNT,
             },
           },
         ],