1234567891011121314151617import {IKeyringPair} from '@polkadot/types/types';18import config from '../config';19import {itSub, expect, describeXCM, usingPlaygrounds, usingWestmintPlaygrounds, usingRelayPlaygrounds} from '../util';2021const STATEMINE_CHAIN = 1000;22const UNIQUE_CHAIN = 2095;2324const relayUrl = config.relayUrl;25const westmintUrl = config.westmintUrl;2627const STATEMINE_PALLET_INSTANCE = 50;28const ASSET_ID = 100;29const ASSET_METADATA_DECIMALS = 18;30const ASSET_METADATA_NAME = 'USDT';31const ASSET_METADATA_DESCRIPTION = 'USDT';32const ASSET_METADATA_MINIMAL_BALANCE = 1n;3334const WESTMINT_DECIMALS = 12;3536const TRANSFER_AMOUNT = 1_000_000_000_000_000_000n;373839const ASSET_AMOUNT = 1_000_000_000_000_000_000_000n; 4041describeXCM('[XCM] Integration test: Exchanging USDT with Westmint', () => {42 let alice: IKeyringPair;43 let bob: IKeyringPair;44 45 let balanceStmnBefore: bigint;46 let balanceStmnAfter: bigint;4748 let balanceOpalBefore: bigint;49 let balanceOpalAfter: bigint;50 let balanceOpalFinal: bigint;5152 let balanceBobBefore: bigint;53 let balanceBobAfter: bigint;54 let balanceBobFinal: bigint;5556 let balanceBobRelayTokenBefore: bigint;57 let balanceBobRelayTokenAfter: bigint;585960 before(async () => {61 await usingPlaygrounds(async (_helper, privateKey) => {62 alice = await privateKey('//Alice');63 bob = await privateKey('//Bob'); 64 });6566 await usingWestmintPlaygrounds(westmintUrl, async (helper) => {67 68 const fundingAmount = 3_500_000_000_000n; 6970 await helper.assets.create(alice, ASSET_ID, alice.address, ASSET_METADATA_MINIMAL_BALANCE);71 await helper.assets.setMetadata(alice, ASSET_ID, ASSET_METADATA_NAME, ASSET_METADATA_DESCRIPTION, ASSET_METADATA_DECIMALS);72 await helper.assets.mint(alice, ASSET_ID, alice.address, ASSET_AMOUNT);7374 75 const parachainSovereingAccount = helper.address.paraSiblingSovereignAccount(UNIQUE_CHAIN);76 await helper.balance.transferToSubstrate(bob, parachainSovereingAccount, fundingAmount);77 });787980 await usingPlaygrounds(async (helper) => {81 const location = {82 V1: {83 parents: 1,84 interior: {X3: [85 {86 Parachain: STATEMINE_CHAIN,87 },88 {89 PalletInstance: STATEMINE_PALLET_INSTANCE,90 },91 {92 GeneralIndex: ASSET_ID,93 },94 ]},95 },96 };9798 const metadata =99 {100 name: ASSET_ID,101 symbol: ASSET_METADATA_NAME,102 decimals: ASSET_METADATA_DECIMALS,103 minimalBalance: ASSET_METADATA_MINIMAL_BALANCE,104 };105 await helper.getSudo().foreignAssets.register(alice, alice.address, location, metadata);106 balanceOpalBefore = await helper.balance.getSubstrate(alice.address);107 });108109110 111 await usingRelayPlaygrounds(relayUrl, async (helper) => {112 const destination = {113 V1: {114 parents: 0,115 interior: {X1: {116 Parachain: UNIQUE_CHAIN,117 },118 },119 }};120121 const beneficiary = {122 V1: {123 parents: 0,124 interior: {X1: {125 AccountId32: {126 network: 'Any',127 id: alice.addressRaw,128 },129 }},130 },131 };132133 const assets = {134 V1: [135 {136 id: {137 Concrete: {138 parents: 0,139 interior: 'Here',140 },141 },142 fun: {143 Fungible: 50_000_000_000_000_000n,144 },145 },146 ],147 };148149 const feeAssetItem = 0;150151 await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, {Unlimited: null});152 });153 154 });155156 itSub('Should connect and send USDT from Westmint to Opal', async ({helper}) => {157 await usingWestmintPlaygrounds(westmintUrl, async (helper) => {158 const dest = {159 V1: {160 parents: 1,161 interior: {X1: {162 Parachain: UNIQUE_CHAIN,163 },164 },165 }};166167 const beneficiary = {168 V1: {169 parents: 0,170 interior: {X1: {171 AccountId32: {172 network: 'Any',173 id: alice.addressRaw,174 },175 }},176 },177 };178179 const assets = {180 V1: [181 {182 id: {183 Concrete: {184 parents: 0,185 interior: {186 X2: [187 {188 PalletInstance: STATEMINE_PALLET_INSTANCE,189 },190 {191 GeneralIndex: ASSET_ID,192 }, 193 ]},194 },195 },196 fun: {197 Fungible: TRANSFER_AMOUNT,198 },199 },200 ],201 };202203 const feeAssetItem = 0;204205 balanceStmnBefore = await helper.balance.getSubstrate(alice.address);206 await helper.xcm.limitedReserveTransferAssets(alice, dest, beneficiary, assets, feeAssetItem, {Unlimited: null});207208 balanceStmnAfter = await helper.balance.getSubstrate(alice.address);209210 211 console.log(212 'Opal to Westmint transaction fees on Westmint: %s WND',213 helper.util.bigIntToDecimals(balanceStmnBefore - balanceStmnAfter, WESTMINT_DECIMALS),214 );215 expect(balanceStmnBefore > balanceStmnAfter).to.be.true;216217 });218219220 221 await helper.wait.newBlocks(3);222223 224 const free = await helper.ft.getBalance(1, {Substrate: alice.address});225226 balanceOpalAfter = await helper.balance.getSubstrate(alice.address);227228 console.log(229 'Opal to Westmint transaction fees on Opal: %s USDT',230 helper.util.bigIntToDecimals(TRANSFER_AMOUNT - free, ASSET_METADATA_DECIMALS),231 );232 console.log(233 'Opal to Westmint transaction fees on Opal: %s OPL',234 helper.util.bigIntToDecimals(balanceOpalAfter - balanceOpalBefore),235 );236237 238 expect(free == TRANSFER_AMOUNT).to.be.true;239 240 expect(balanceOpalAfter == balanceOpalBefore).to.be.true;241 });242243 itSub('Should connect and send USDT from Unique to Statemine back', async ({helper}) => {244 const destination = {245 V1: {246 parents: 1,247 interior: {X2: [248 {249 Parachain: STATEMINE_CHAIN,250 },251 {252 AccountId32: {253 network: 'Any',254 id: alice.addressRaw,255 },256 },257 ]},258 },259 };260261 const currencies: [any, bigint][] = [262 [263 {264 ForeignAssetId: 0,265 },266 267 TRANSFER_AMOUNT,268 ], 269 [270 {271 NativeAssetId: 'Parent',272 },273 400_000_000_000_000n,274 ],275 ];276277 const feeItem = 1;278279 await helper.xTokens.transferMulticurrencies(alice, currencies, feeItem, destination, {Unlimited: null});280 281 282 balanceOpalFinal = await helper.balance.getSubstrate(alice.address);283 expect(balanceOpalAfter > balanceOpalFinal).to.be.true;284285 await usingWestmintPlaygrounds(westmintUrl, async (helper) => {286 await helper.wait.newBlocks(3);287 288 289 290 expect((await helper.assets.account(ASSET_ID, alice.address))! == ASSET_AMOUNT).to.be.true;291 });292 });293294 itSub('Should connect and send Relay token to Unique', async ({helper}) => {295 const TRANSFER_AMOUNT_RELAY = 50_000_000_000_000_000n;296297 balanceBobBefore = await helper.balance.getSubstrate(bob.address);298 balanceBobRelayTokenBefore = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});299300 301 await usingRelayPlaygrounds(relayUrl, async (helper) => {302 const destination = {303 V1: {304 parents: 0,305 interior: {X1: {306 Parachain: UNIQUE_CHAIN,307 },308 },309 }};310311 const beneficiary = {312 V1: {313 parents: 0,314 interior: {X1: {315 AccountId32: {316 network: 'Any',317 id: bob.addressRaw,318 },319 }},320 },321 };322323 const assets = {324 V1: [325 {326 id: {327 Concrete: {328 parents: 0,329 interior: 'Here',330 },331 },332 fun: {333 Fungible: TRANSFER_AMOUNT_RELAY,334 },335 },336 ],337 };338339 const feeAssetItem = 0;340341 await helper.xcm.limitedReserveTransferAssets(bob, destination, beneficiary, assets, feeAssetItem, {Unlimited: null});342 });343 344 await helper.wait.newBlocks(3);345346 balanceBobAfter = await helper.balance.getSubstrate(bob.address); 347 balanceBobRelayTokenAfter = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});348349 const wndFee = balanceBobRelayTokenAfter - TRANSFER_AMOUNT_RELAY - balanceBobRelayTokenBefore; 350 console.log(351 'Relay (Westend) to Opal transaction fees: %s OPL',352 helper.util.bigIntToDecimals(balanceBobAfter - balanceBobBefore),353 );354 console.log(355 'Relay (Westend) to Opal transaction fees: %s WND',356 helper.util.bigIntToDecimals(wndFee, WESTMINT_DECIMALS),357 );358 expect(balanceBobBefore == balanceBobAfter).to.be.true;359 expect(balanceBobRelayTokenBefore < balanceBobRelayTokenAfter).to.be.true;360 });361362 itSub('Should connect and send Relay token back', async ({helper}) => {363 const destination = {364 V1: {365 parents: 1,366 interior: {X2: [367 {368 Parachain: STATEMINE_CHAIN,369 },370 {371 AccountId32: {372 network: 'Any',373 id: bob.addressRaw,374 },375 },376 ]},377 },378 };379380 const currencies: any = [381 [382 {383 NativeAssetId: 'Parent',384 },385 50_000_000_000_000_000n,386 ],387 ];388389 const feeItem = 0;390391 await helper.xTokens.transferMulticurrencies(bob, currencies, feeItem, destination, {Unlimited: null});392393 balanceBobFinal = await helper.balance.getSubstrate(bob.address);394 console.log('Relay (Westend) to Opal transaction fees: %s OPL', balanceBobAfter - balanceBobFinal);395 });396});