123456import chai from 'chai';7import chaiAsPromised from 'chai-as-promised';89import {WsProvider} from '@polkadot/api';10import {ApiOptions} from '@polkadot/api/types';11import {IKeyringPair} from '@polkadot/types/types';12import privateKey from './substrate/privateKey';13import usingApi, {submitTransactionAsync} from './substrate/substrate-api';14import {getGenericResult} from './util/helpers';15import waitNewBlocks from './substrate/wait-new-blocks';16import getBalance from './substrate/get-balance';17import {alicesPublicKey} from './accounts';1819chai.use(chaiAsPromised);20const expect = chai.expect;2122const UNIQUE_CHAIN = 1000;23const KARURA_CHAIN = 2000;24const KARURA_PORT = '9946';2526describe('Integration test: Exchanging QTZ/OPL with Karura', () => {27 let alice: IKeyringPair;28 29 before(async () => {30 await usingApi(async () => {31 alice = privateKey('//Alice');32 });3334 const karuraApiOptions: ApiOptions = {35 provider: new WsProvider('ws://127.0.0.1:' + KARURA_PORT),36 };3738 await usingApi(async (api) => {39 const destination = {40 V0: {41 X2: [42 'Parent',43 {44 Parachain: UNIQUE_CHAIN,45 },46 ],47 },48 };4950 const metadata =51 {52 name: 'OPL',53 symbol: 'OPL',54 decimals: 18,55 minimalBalance: 1,56 };5758 const tx = api.tx.assetRegistry.registerForeignAsset(destination, metadata);59 const sudoTx = api.tx.sudo.sudo(tx as any);60 const events = await submitTransactionAsync(alice, sudoTx);61 const result = getGenericResult(events);62 expect(result.success).to.be.true;63 }, karuraApiOptions);64 });6566 it('Should connect and send OPL to Karura', async () => {67 let balanceOnKaruraBefore: bigint;68 69 await usingApi(async (api) => {70 const {free} = (await api.query.tokens.accounts(alice.addressRaw, {ForeignAsset: 0})).toJSON() as any;71 balanceOnKaruraBefore = free;72 }, {provider: new WsProvider('ws://127.0.0.1:' + KARURA_PORT)});7374 await usingApi(async (api) => {75 const destination = {76 V0: {77 X2: [78 'Parent',79 {80 Parachain: KARURA_CHAIN,81 },82 ],83 },84 };8586 const beneficiary = {87 V0: {88 X1: {89 AccountId32: {90 network: 'Any',91 id: alice.addressRaw,92 },93 },94 },95 };9697 const assets = {98 V1: [99 {100 id: {101 Concrete: {102 parents: 0,103 interior: 'Here',104 },105 },106 fun: {107 Fungible: 5000000000,108 },109 },110 ],111 };112113 const feeAssetItem = 0;114115 const weightLimit = {116 Limited: 5000000000,117 };118119 const tx = api.tx.polkadotXcm.limitedReserveTransferAssets(destination, beneficiary, assets, feeAssetItem, weightLimit);120 const events = await submitTransactionAsync(alice, tx);121 const result = getGenericResult(events);122 expect(result.success).to.be.true;123 });124125 await usingApi(async (api) => {126 127 await waitNewBlocks(api, 1);128 const {free} = (await api.query.tokens.accounts(alice.addressRaw, {ForeignAsset: 0})).toJSON() as any;129 expect(free > balanceOnKaruraBefore).to.be.true;130 }, {provider: new WsProvider('ws://127.0.0.1:' + KARURA_PORT)});131 });132133 it('Should connect to Karura and send OPL back', async () => {134 let balanceBefore: bigint;135 136 await usingApi(async (api) => {137 [balanceBefore] = await getBalance(api, [alicesPublicKey]);138 });139140 await usingApi(async (api) => {141 const destination = {142 V0: {143 X3: [144 'Parent',145 {146 Parachain: UNIQUE_CHAIN,147 },148 {149 AccountId32: {150 network: 'Any',151 id: alice.addressRaw,152 },153 },154 ],155 },156 };157158 const id = {159 ForeignAsset: 0,160 };161162 const amount = 5000000000;163 const destWeight = 50000000;164165 const tx = api.tx.xTokens.transfer(id, amount, destination, destWeight);166 const events = await submitTransactionAsync(alice, tx);167 const result = getGenericResult(events);168 expect(result.success).to.be.true;169 }, {provider: new WsProvider('ws://127.0.0.1:' + KARURA_PORT)});170171 await usingApi(async (api) => {172 173 await waitNewBlocks(api, 1);174 const [balanceAfter] = await getBalance(api, [alicesPublicKey]);175 expect(balanceAfter > balanceBefore).to.be.true;176 });177 });178});