1234567import {ApiPromise} from '@polkadot/api';8import {IKeyringPair} from '@polkadot/types/types';9import chai from 'chai';10import chaiAsPromised from 'chai-as-promised';11import privateKey from '../substrate/privateKey';12import usingApi, {submitTransactionAsync} from '../substrate/substrate-api';13import {createCollectionExpectSuccess, createItemExpectSuccess, nftEventMessage} from '../util/helpers';1415chai.use(chaiAsPromised);16const expect = chai.expect;1718describe('Burn Item event ', () => {19 let alice: IKeyringPair;20 const checkSection = 'ItemDestroyed';21 const checkTreasury = 'Deposit';22 const checkSystem = 'ExtrinsicSuccess';23 before(async () => {24 await usingApi(async () => {25 alice = privateKey('//Alice');26 });27 });28 it('Check event from burnItem(): ', async () => {29 await usingApi(async (api: ApiPromise) => {30 const collectionID = await createCollectionExpectSuccess();31 const itemID = await createItemExpectSuccess(alice, collectionID, 'NFT');32 const burnItem = api.tx.nft.burnItem(collectionID, itemID, 1);33 const events = await submitTransactionAsync(alice, burnItem);34 const msg = JSON.stringify(nftEventMessage(events));35 expect(msg).to.be.contain(checkSection);36 expect(msg).to.be.contain(checkTreasury);37 expect(msg).to.be.contain(checkSystem);38 });39 });40});