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('Transfer from event ', () => {19 let Alice: IKeyringPair;20 let Bob: IKeyringPair;21 const checkTreasury = 'Deposit';22 const checkSystem = 'ExtrinsicSuccess';23 before(async () => {24 await usingApi(async () => {25 Alice = privateKey('//Alice');26 Bob = privateKey('//Bob');27 });28 });29 it('Check event from transferFrom(): ', async () => {30 await usingApi(async (api: ApiPromise) => {31 const collectionID = await createCollectionExpectSuccess();32 const itemID = await createItemExpectSuccess(Alice, collectionID, 'NFT');33 const transferFrom = api.tx.nft.transferFrom(Alice.address, Bob.address, collectionID, itemID, 1);34 const events = await submitTransactionAsync(Alice, transferFrom);35 const msg = JSON.stringify(nftEventMessage(events));36 expect(msg).to.be.contain(checkTreasury);37 expect(msg).to.be.contain(checkSystem);38 });39 });40});41