1import { expect } from 'chai';2import privateKey from '../substrate/privateKey';3import waitNewBlocks from '../substrate/wait-new-blocks';4import { contractHelpers, createEthAccount, createEthAccountWithBalance, deployCollector, deployFlipper, itWeb3, transferBalanceToEth, usingWeb3Http } from './util/helpers';56describe('EVM sponsoring', () => {7 itWeb3('Fee is deducted from contract if sponsoring is enabled', async ({api, web3}) => {8 await usingWeb3Http(async web3Http => {9 const alice = privateKey('//Alice');1011 const owner = await createEthAccountWithBalance(api, web3Http);12 const caller = createEthAccount(web3Http);13 const originalCallerBalance = await web3.eth.getBalance(caller);14 expect(originalCallerBalance).to.be.equal('0');1516 const flipper = await deployFlipper(web3Http, owner);17 await waitNewBlocks(api, 1);18 19 const helpers = contractHelpers(web3Http, owner);20 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.false;21 await helpers.methods.toggleSponsoring(flipper.options.address, true).send({from: owner});22 await waitNewBlocks(api, 1);23 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.true;2425 await transferBalanceToEth(api, alice, flipper.options.address);26 await waitNewBlocks(api, 2);2728 const originalFlipperBalance = await web3.eth.getBalance(flipper.options.address);29 expect(originalFlipperBalance).to.be.not.equal('0');3031 await flipper.methods.flip().send({ from: caller });32 await waitNewBlocks(api, 1);33 expect(await flipper.methods.getValue().call()).to.be.true;3435 36 expect(await web3.eth.getBalance(caller)).to.be.equals(originalCallerBalance);37 expect(await web3.eth.getBalance(flipper.options.address)).to.be.not.equals(originalFlipperBalance);38 });39 });40 itWeb3('...but this doesn\'t applies to payable value', async ({api, web3}) => {41 await usingWeb3Http(async web3Http => {42 const alice = privateKey('//Alice');4344 const owner = await createEthAccountWithBalance(api, web3Http);45 const caller = await createEthAccountWithBalance(api, web3Http);46 await waitNewBlocks(api, 1);47 const originalCallerBalance = await web3.eth.getBalance(caller);48 expect(originalCallerBalance).to.be.not.equal('0');4950 const collector = await deployCollector(web3Http, owner);51 await waitNewBlocks(api, 1);52 53 const helpers = contractHelpers(web3Http, owner);54 expect(await helpers.methods.sponsoringEnabled(collector.options.address).call()).to.be.false;55 await helpers.methods.toggleSponsoring(collector.options.address, true).send({from: owner});56 await waitNewBlocks(api, 1);57 expect(await helpers.methods.sponsoringEnabled(collector.options.address).call()).to.be.true;5859 await transferBalanceToEth(api, alice, collector.options.address);60 await waitNewBlocks(api, 2);6162 const originalCollectorBalance = await web3.eth.getBalance(collector.options.address);63 expect(originalCollectorBalance).to.be.not.equal('0');6465 await collector.methods.giveMoney().send({ from: caller, value: '10000' });66 await waitNewBlocks(api, 1);6768 69 expect(await web3.eth.getBalance(caller)).to.be.equals((BigInt(originalCallerBalance) - 10000n).toString());70 expect(await web3.eth.getBalance(collector.options.address)).to.be.not.equals(originalCollectorBalance);71 expect(await collector.methods.getCollected().call()).to.be.equal('10000');72 });73 });74});