difftreelog
Review: contractSponsoring tests
in: master
Combine some duplicated tests. Add checks
1 file changed
tests/src/eth/contractSponsoring.test.tsdiffbeforeafterboth222223describe('Sponsoring EVM contracts', () => {23describe('Sponsoring EVM contracts', () => {24 let donor: IKeyringPair;24 let donor: IKeyringPair;25 let nominal: bigint;252626 before(async () => {27 before(async () => {27 await usingPlaygrounds(async (_helper, privateKey) => {28 await usingPlaygrounds(async (helper, privateKey) => {28 donor = await privateKey({filename: __filename});29 donor = await privateKey({filename: __filename});30 nominal = helper.balance.getOneTokenNominal();29 });31 });30 });32 });3132 itEth('Self sponsored can be set by the address that deployed the contract', async ({helper}) => {33 const owner = await helper.eth.createAccountWithBalance(donor);34 const flipper = await helper.eth.deployFlipper(owner);35 const helpers = helper.ethNativeContract.contractHelpers(owner);3637 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;38 await expect(helpers.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.not.rejected;39 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;40 });413342 itEth('Set self sponsored events', async ({helper}) => {34 itEth('Self sponsoring can be set by the address that deployed the contract', async ({helper}) => {43 const owner = await helper.eth.createAccountWithBalance(donor);35 const owner = await helper.eth.createAccountWithBalance(donor);44 const flipper = await helper.eth.deployFlipper(owner);36 const flipper = await helper.eth.deployFlipper(owner);45 const helpers = helper.ethNativeContract.contractHelpers(owner);37 const helpers = helper.ethNativeContract.contractHelpers(owner);46 3839 // 1. owner can set selfSponsoring:40 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;47 const result = await helpers.methods.selfSponsoredEnable(flipper.options.address).send();41 const result = await helpers.methods.selfSponsoredEnable(flipper.options.address).send({from: owner});42 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;4344 // 1.1 Can get sponsor using methods.sponsor:45 const actualSponsor = await helpers.methods.sponsor(flipper.options.address).call();46 expect(actualSponsor.eth).to.eq(flipper.options.address);47 expect(actualSponsor.sub).to.eq('0');4849 // 2. Events should be:48 const ethEvents = helper.eth.helper.eth.normalizeEvents(result.events);50 const ethEvents = helper.eth.helper.eth.normalizeEvents(result.events);49 expect(ethEvents).to.be.deep.equal([51 expect(ethEvents).to.be.deep.equal([50 {52 {66 ]);68 ]);67 });69 });687069 itEth('Self sponsored can not be set by the address that did not deployed the contract', async ({helper}) => {71 itEth('Self sponsoring cannot be set by the address that did not deployed the contract', async ({helper}) => {70 const owner = await helper.eth.createAccountWithBalance(donor);72 const owner = await helper.eth.createAccountWithBalance(donor);71 const notOwner = await helper.eth.createAccountWithBalance(donor);73 const notOwner = await helper.eth.createAccountWithBalance(donor);72 const helpers = helper.ethNativeContract.contractHelpers(owner);74 const helpers = helper.ethNativeContract.contractHelpers(owner);83 const flipper = await helper.eth.deployFlipper(owner);85 const flipper = await helper.eth.deployFlipper(owner);848685 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.false;87 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.false;86 await expect(helpers.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Allowlisted).send({from: owner})).to.be.not.rejected;88 await helpers.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Allowlisted).send({from: owner});87 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.true;89 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.true;88 });90 });899198 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.false;100 expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.false;99 });101 });100 102 101 itEth('Sponsor can be set by the address that deployed the contract', async ({helper}) => {102 const owner = await helper.eth.createAccountWithBalance(donor);103 const sponsor = await helper.eth.createAccountWithBalance(donor);104 const helpers = helper.ethNativeContract.contractHelpers(owner);105 const flipper = await helper.eth.deployFlipper(owner);106107 expect(await helpers.methods.hasPendingSponsor(flipper.options.address).call()).to.be.false;108 await expect(helpers.methods.setSponsor(flipper.options.address, sponsor).send()).to.be.not.rejected;109 expect(await helpers.methods.hasPendingSponsor(flipper.options.address).call()).to.be.true;110 });111 112 itEth('Set sponsor event', async ({helper}) => {103 itEth('Sponsor can be set by the address that deployed the contract', async ({helper}) => {113 const owner = await helper.eth.createAccountWithBalance(donor);104 const owner = await helper.eth.createAccountWithBalance(donor);114 const sponsor = await helper.eth.createAccountWithBalance(donor);105 const sponsor = await helper.eth.createAccountWithBalance(donor);115 const helpers = helper.ethNativeContract.contractHelpers(owner);106 const helpers = helper.ethNativeContract.contractHelpers(owner);116 const flipper = await helper.eth.deployFlipper(owner);107 const flipper = await helper.eth.deployFlipper(owner);117 108109 // 1. owner can set a sponsor:110 expect(await helpers.methods.hasPendingSponsor(flipper.options.address).call()).to.be.false;118 const result = await helpers.methods.setSponsor(flipper.options.address, sponsor).send();111 const result = await helpers.methods.setSponsor(flipper.options.address, sponsor).send();112 expect(await helpers.methods.hasPendingSponsor(flipper.options.address).call()).to.be.true;113114 // 2. Events should be:119 const events = helper.eth.normalizeEvents(result.events);115 const events = helper.eth.normalizeEvents(result.events);120 expect(events).to.be.deep.equal([116 expect(events).to.be.deep.equal([121 {117 {129 ]);125 ]);130 });126 });131 127 132 itEth('Sponsor can not be set by the address that did not deployed the contract', async ({helper}) => {128 itEth('Sponsor cannot be set by the address that did not deployed the contract', async ({helper}) => {133 const owner = await helper.eth.createAccountWithBalance(donor);129 const owner = await helper.eth.createAccountWithBalance(donor);134 const sponsor = await helper.eth.createAccountWithBalance(donor);130 const sponsor = await helper.eth.createAccountWithBalance(donor);135 const notOwner = await helper.eth.createAccountWithBalance(donor);131 const notOwner = await helper.eth.createAccountWithBalance(donor);141 expect(await helpers.methods.hasPendingSponsor(flipper.options.address).call()).to.be.false;137 expect(await helpers.methods.hasPendingSponsor(flipper.options.address).call()).to.be.false;142 });138 });143144 itEth('Sponsorship can be confirmed by the address that pending as sponsor', async ({helper}) => {145 const owner = await helper.eth.createAccountWithBalance(donor);146 const sponsor = await helper.eth.createAccountWithBalance(donor);147 const helpers = helper.ethNativeContract.contractHelpers(owner);148 const flipper = await helper.eth.deployFlipper(owner);149150 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;151 await expect(helpers.methods.setSponsor(flipper.options.address, sponsor).send()).to.be.not.rejected;152 await expect(helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor})).to.be.not.rejected;153 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;154 });155139156 itEth('Confirm sponsorship event', async ({helper}) => {140 itEth('Sponsorship can be confirmed by the address that pending as sponsor', async ({helper}) => {157 const owner = await helper.eth.createAccountWithBalance(donor);141 const owner = await helper.eth.createAccountWithBalance(donor);158 const sponsor = await helper.eth.createAccountWithBalance(donor);142 const sponsor = await helper.eth.createAccountWithBalance(donor);159 const helpers = helper.ethNativeContract.contractHelpers(owner);143 const helpers = helper.ethNativeContract.contractHelpers(owner);160 const flipper = await helper.eth.deployFlipper(owner);144 const flipper = await helper.eth.deployFlipper(owner);161145146 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;162 await expect(helpers.methods.setSponsor(flipper.options.address, sponsor).send()).to.be.not.rejected;147 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();148149 // 1. sponsor can confirm sponsorship:163 const result = await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});150 const result = await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});151 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;152153 // 1.1 Can get sponsor using methods.sponsor:154 const actualSponsor = await helpers.methods.sponsor(flipper.options.address).call();155 expect(actualSponsor.eth).to.eq(sponsor);156 expect(actualSponsor.sub).to.eq('0');157158 // 2. Events should be:164 const events = helper.eth.normalizeEvents(result.events);159 const events = helper.eth.normalizeEvents(result.events);165 expect(events).to.be.deep.equal([160 expect(events).to.be.deep.equal([166 {161 {198 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;193 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;199 });194 });200201 itEth('Get self sponsored sponsor', async ({helper}) => {202 const owner = await helper.eth.createAccountWithBalance(donor);203 const helpers = helper.ethNativeContract.contractHelpers(owner);204 const flipper = await helper.eth.deployFlipper(owner);205206 await helpers.methods.selfSponsoredEnable(flipper.options.address).send();207 208 const result = await helpers.methods.sponsor(flipper.options.address).call();209210 expect(result[0]).to.be.eq(flipper.options.address);211 expect(result[1]).to.be.eq('0');212 });213214 itEth('Get confirmed sponsor', async ({helper}) => {215 const owner = await helper.eth.createAccountWithBalance(donor);216 const sponsor = await helper.eth.createAccountWithBalance(donor);217 const helpers = helper.ethNativeContract.contractHelpers(owner);218 const flipper = await helper.eth.deployFlipper(owner);219220 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();221 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});222 223 const result = await helpers.methods.sponsor(flipper.options.address).call();224225 expect(result[0]).to.be.eq(sponsor);226 expect(result[1]).to.be.eq('0');227 });228195229 itEth('Sponsor can be removed by the address that deployed the contract', async ({helper}) => {196 itEth('Sponsor can be removed by the address that deployed the contract', async ({helper}) => {230 const owner = await helper.eth.createAccountWithBalance(donor);197 const owner = await helper.eth.createAccountWithBalance(donor);236 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();203 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();237 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});204 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});238 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;205 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;239 206 // 1. Can remove sponsor:240 await helpers.methods.removeSponsor(flipper.options.address).send();207 const result = await helpers.methods.removeSponsor(flipper.options.address).send();241 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;208 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.false;209210 // 2. Events should be:211 const events = helper.eth.normalizeEvents(result.events);212 expect(events).to.be.deep.equal([213 {214 address: flipper.options.address,215 event: 'ContractSponsorRemoved',216 args: {217 contractAddress: flipper.options.address,218 },219 },220 ]);221222 // TODO: why call method reverts?223 // const actualSponsor = await helpers.methods.sponsor(flipper.options.address).call();224 // expect(actualSponsor.eth).to.eq(sponsor);225 // expect(actualSponsor.sub).to.eq('0');242 });226 });243244 itEth('Remove sponsor event', async ({helper}) => {245 const owner = await helper.eth.createAccountWithBalance(donor);246 const sponsor = await helper.eth.createAccountWithBalance(donor);247 const helpers = helper.ethNativeContract.contractHelpers(owner);248 const flipper = await helper.eth.deployFlipper(owner);249250 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();251 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});252 253 const result = await helpers.methods.removeSponsor(flipper.options.address).send();254 const events = helper.eth.normalizeEvents(result.events);255 expect(events).to.be.deep.equal([256 {257 address: flipper.options.address,258 event: 'ContractSponsorRemoved',259 args: {260 contractAddress: flipper.options.address,261 },262 },263 ]);264 });265227266 itEth('Sponsor can not be removed by the address that did not deployed the contract', async ({helper}) => {228 itEth('Sponsor can not be removed by the address that did not deployed the contract', async ({helper}) => {267 const owner = await helper.eth.createAccountWithBalance(donor);229 const owner = await helper.eth.createAccountWithBalance(donor);276 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;238 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;277 239 278 await expect(helpers.methods.removeSponsor(flipper.options.address).call({from: notOwner})).to.be.rejectedWith('NoPermission');240 await expect(helpers.methods.removeSponsor(flipper.options.address).call({from: notOwner})).to.be.rejectedWith('NoPermission');241 await expect(helpers.methods.removeSponsor(flipper.options.address).send({from: notOwner})).to.be.rejected;279 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;242 expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;280 });243 });281244292 await helpers.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Generous).send({from: owner});255 await helpers.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Generous).send({from: owner});293 await helpers.methods.setSponsoringRateLimit(flipper.options.address, 0).send({from: owner});256 await helpers.methods.setSponsoringRateLimit(flipper.options.address, 0).send({from: owner});294257295 const sponsorBalanceBefore = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(sponsor));258 const sponsorBalanceBefore = await helper.balance.getSubstrate(helper.address.ethToSubstrate(sponsor));296 const callerBalanceBefore = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(caller));259 const callerBalanceBefore = await helper.balance.getSubstrate(helper.address.ethToSubstrate(caller));297260298 await flipper.methods.flip().send({from: caller});261 await flipper.methods.flip().send({from: caller});299 expect(await flipper.methods.getValue().call()).to.be.true;262 expect(await flipper.methods.getValue().call()).to.be.true;300263301 // Balance should be taken from sponsor instead of caller264 // Balance should be taken from sponsor instead of caller302 const sponsorBalanceAfter = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(sponsor));265 const sponsorBalanceAfter = await helper.balance.getSubstrate(helper.address.ethToSubstrate(sponsor));303 const callerBalanceAfter = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(caller));266 const callerBalanceAfter = await helper.balance.getSubstrate(helper.address.ethToSubstrate(caller));304 expect(sponsorBalanceAfter < sponsorBalanceBefore).to.be.true;267 expect(sponsorBalanceAfter < sponsorBalanceBefore).to.be.true;305 expect(callerBalanceAfter).to.be.eq(callerBalanceBefore);268 expect(callerBalanceAfter).to.be.eq(callerBalanceBefore);306 });269 });331 expect(callerBalanceAfter).to.be.eq(callerBalanceBefore);294 expect(callerBalanceAfter).to.be.eq(callerBalanceBefore);332 });295 });333296297 [298 {balance: 0n, label: '0'},299 {balance: 10n, label: '10'},300 ].map(testCase => {334 itEth('Sponsoring is set, an address that has no UNQ can send a transaction and it works. Sponsor balance should decrease (allowlisted)', async ({helper}) => {301 itEth(`Allow-listed address that has ${testCase.label} UNQ can call a contract. Sponsor balance should decrease`, async ({helper}) => {335 const owner = await helper.eth.createAccountWithBalance(donor);302 const owner = await helper.eth.createAccountWithBalance(donor);336 const sponsor = await helper.eth.createAccountWithBalance(donor);303 const sponsor = await helper.eth.createAccountWithBalance(donor);337 const caller = helper.eth.createAccount();304 const caller = helper.eth.createAccount();305 await helper.eth.transferBalanceFromSubstrate(donor, caller, testCase.balance);338 const helpers = helper.ethNativeContract.contractHelpers(owner);306 const helpers = helper.ethNativeContract.contractHelpers(owner);339 const flipper = await helper.eth.deployFlipper(owner);307 const flipper = await helper.eth.deployFlipper(owner);340308 347 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();315 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();348 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});316 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});349317 350 const sponsorBalanceBefore = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(sponsor));318 const sponsorBalanceBefore = await helper.balance.getSubstrate(helper.address.ethToSubstrate(sponsor));351 expect(sponsorBalanceBefore).to.be.not.equal('0');319 expect(sponsorBalanceBefore > 0n).to.be.true;352320 353 await flipper.methods.flip().send({from: caller});321 await flipper.methods.flip().send({from: caller});354 expect(await flipper.methods.getValue().call()).to.be.true;322 expect(await flipper.methods.getValue().call()).to.be.true;355323 356 // Balance should be taken from flipper instead of caller324 // Balance should be taken from flipper instead of caller357 const sponsorBalanceAfter = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(sponsor));325 const sponsorBalanceAfter = await helper.balance.getSubstrate(helper.address.ethToSubstrate(sponsor));358 expect(sponsorBalanceAfter < sponsorBalanceBefore).to.be.true;326 expect(sponsorBalanceAfter < sponsorBalanceBefore).to.be.true;327 // Caller's balance does not change:328 const callerBalanceAfter = await helper.balance.getSubstrate(helper.address.ethToSubstrate(caller));329 expect(callerBalanceAfter).to.eq(testCase.balance * nominal);359 });330 });360331 });361 itEth('Sponsoring is set, an address that has no UNQ can send a transaction and it works. Sponsor balance should not decrease (non-allowlisted)', async ({helper}) => {362 const owner = await helper.eth.createAccountWithBalance(donor);363 const caller = await helper.eth.createAccount();364 const helpers = helper.ethNativeContract.contractHelpers(owner);365 const flipper = await helper.eth.deployFlipper(owner);366367 await helpers.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Allowlisted).send({from: owner});368 await helpers.methods.setSponsoringRateLimit(flipper.options.address, 0).send({from: owner});369370 await helper.eth.transferBalanceFromSubstrate(donor, flipper.options.address);371372 const originalFlipperBalance = await helper.balance.getEthereum(flipper.options.address);373 expect(originalFlipperBalance).to.be.not.equal('0');374375 await expect(flipper.methods.flip().send({from: caller})).to.be.rejectedWith(/Returned error: insufficient funds for gas \* price \+ value/);376 expect(await flipper.methods.getValue().call()).to.be.false;377378 // Balance should be taken from flipper instead of caller379 // FIXME the comment is wrong! What check should be here?380 const balanceAfter = await helper.balance.getEthereum(flipper.options.address);381 expect(balanceAfter).to.be.equal(originalFlipperBalance);382 });383332384 itEth('Sponsoring is set, an address that has UNQ can send a transaction and it works. User balance should not change', async ({helper}) => {333 itEth('Non-allow-listed address can call a contract. Sponsor balance should not decrease', async ({helper}) => {385 const owner = await helper.eth.createAccountWithBalance(donor);334 const owner = await helper.eth.createAccountWithBalance(donor);386 const sponsor = await helper.eth.createAccountWithBalance(donor);387 const caller = await helper.eth.createAccountWithBalance(donor);335 const caller = helper.eth.createAccount();388 const helpers = helper.ethNativeContract.contractHelpers(owner);336 const contractHelpers = helper.ethNativeContract.contractHelpers(owner);337338 // Deploy flipper and send some tokens:389 const flipper = await helper.eth.deployFlipper(owner);339 const flipper = await helper.eth.deployFlipper(owner);390391 await helpers.methods.toggleAllowlist(flipper.options.address, true).send({from: owner});340 await helper.eth.transferBalanceFromSubstrate(donor, flipper.options.address);392 await helpers.methods.toggleAllowed(flipper.options.address, caller, true).send({from: owner});341 expect(await flipper.methods.getValue().call()).to.be.false;393342 // flipper address has some tokens:394 await helpers.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Allowlisted).send({from: owner});343 const originalFlipperBalance = await helper.balance.getEthereum(flipper.options.address);344 expect(originalFlipperBalance > 0n).to.be.true;345346 // Set Allowlisted sponsoring mode. caller is not in allow list:395 await helpers.methods.setSponsoringRateLimit(flipper.options.address, 0).send({from: owner});347 await contractHelpers.methods.toggleAllowlist(flipper.options.address, true).send({from: owner});396397 await helpers.methods.setSponsor(flipper.options.address, sponsor).send();348 await contractHelpers.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Allowlisted).send({from: owner});398 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});349 await contractHelpers.methods.setSponsoringRateLimit(flipper.options.address, 0).send({from: owner});399350400 const sponsorBalanceBefore = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(sponsor));351 // 1. Caller has no UNQ and is not in allow list. So he cannot flip: 401 const callerBalanceBefore = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(caller));402403 await flipper.methods.flip().send({from: caller});352 await expect(flipper.methods.flip().send({from: caller})).to.be.rejectedWith(/Returned error: insufficient funds for gas \* price \+ value/);404 expect(await flipper.methods.getValue().call()).to.be.true;353 expect(await flipper.methods.getValue().call()).to.be.false;405354355 // Flipper's balance does not change:406 const sponsorBalanceAfter = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(sponsor));356 const balanceAfter = await helper.balance.getEthereum(flipper.options.address);407 const callerBalanceAfter = await helper.balance.getSubstrate(await helper.address.ethToSubstrate(caller));408 expect(sponsorBalanceAfter < sponsorBalanceBefore).to.be.true;409 expect(callerBalanceAfter).to.be.equal(callerBalanceBefore);357 expect(balanceAfter).to.be.equal(originalFlipperBalance);410 });358 });411359412 itEth('Sponsoring is limited, with setContractRateLimit. The limitation is working if transactions are sent more often, the sender pays the commission.', async ({helper}) => {360 itEth('Sponsoring is limited, with setContractRateLimit. The limitation is working if transactions are sent more often, the sender pays the commission.', async ({helper}) => {427 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});375 await helpers.methods.confirmSponsorship(flipper.options.address).send({from: sponsor});428376429 const originalFlipperBalance = await helper.balance.getEthereum(sponsor);377 const originalFlipperBalance = await helper.balance.getEthereum(sponsor);430 expect(originalFlipperBalance).to.be.not.equal('0');378 expect(originalFlipperBalance > 0n).to.be.true;431379432 await flipper.methods.flip().send({from: caller});380 await flipper.methods.flip().send({from: caller});433 expect(await flipper.methods.getValue().call()).to.be.true;381 expect(await flipper.methods.getValue().call()).to.be.true;