1234567891011121314151617import type {IKeyringPair} from '@polkadot/types/types';18import {expect, itSub, usingPlaygrounds} from '../util/index.js';19import {UniqueHelper, UniqueNFTCollection, UniqueNFToken} from '@unique/playgrounds/unique.js';202122232425262728async function buildComplexObjectGraph(helper: UniqueHelper, sender: IKeyringPair): Promise<[UniqueNFTCollection,UniqueNFToken[]]> {29 const collection = await helper.nft.mintCollection(sender, {permissions: {nesting: {tokenOwner: true}}});30 const tokens = await collection.mintMultipleTokens(sender, Array(8).fill({owner: {Substrate: sender.address}}));3132 await tokens[7].nest(sender, tokens[4]);33 await tokens[6].nest(sender, tokens[5]);34 await tokens[5].nest(sender, tokens[4]);35 await tokens[4].nest(sender, tokens[1]);36 await tokens[3].nest(sender, tokens[2]);37 await tokens[2].nest(sender, tokens[1]);38 await tokens[1].nest(sender, tokens[0]);3940 return [collection, tokens];41}4243describe('Graphs', () => {44 let alice: IKeyringPair;4546 before(async () => {47 await usingPlaygrounds(async (helper, privateKey) => {48 const donor = await privateKey({url: import.meta.url});49 [alice] = await helper.arrange.createAccounts([10n], donor);50 });51 });5253 itSub('Ouroboros can\'t be created in a complex graph', async ({helper}) => {54 const [collection, tokens] = await buildComplexObjectGraph(helper, alice);5556 await collection.setPermissions(alice, {nesting: {collectionAdmin: false, tokenOwner: true}});5758 59 await expect(60 tokens[0].nest(alice, tokens[0]),61 '[token owner] self-nesting is forbidden',62 ).to.be.rejectedWith(/structure\.OuroborosDetected/);63 64 await expect(65 tokens[0].nest(alice, tokens[4]),66 '[token owner] cannot nest the root node into an internal node',67 ).to.be.rejectedWith(/structure\.OuroborosDetected/);68 await expect(69 tokens[1].transferFrom(alice, tokens[0].nestingAccount(), tokens[7].nestingAccount()),70 '[token owner] cannot nest higher internal node into lower internal node',71 ).to.be.rejectedWith(/structure\.OuroborosDetected/);7273 await collection.setPermissions(alice, {nesting: {collectionAdmin: true, tokenOwner: false}});7475 76 await expect(77 tokens[0].nest(alice, tokens[0]),78 '[collection owner] self-nesting is forbidden',79 ).to.be.rejectedWith(/structure\.OuroborosDetected/);80 81 await expect(82 tokens[0].nest(alice, tokens[4]),83 '[collection owner] cannot nest the root node into an internal node',84 ).to.be.rejectedWith(/structure\.OuroborosDetected/);85 });86});