diff options
Diffstat (limited to 'packages/0x.js/test/token_wrapper_test.ts')
| -rw-r--r-- | packages/0x.js/test/token_wrapper_test.ts | 994 |
1 files changed, 497 insertions, 497 deletions
diff --git a/packages/0x.js/test/token_wrapper_test.ts b/packages/0x.js/test/token_wrapper_test.ts index 6919183cb..4ba1f07c5 100644 --- a/packages/0x.js/test/token_wrapper_test.ts +++ b/packages/0x.js/test/token_wrapper_test.ts @@ -6,15 +6,15 @@ import 'mocha'; import * as Web3 from 'web3'; import { - ApprovalContractEventArgs, - BlockParamLiteral, - BlockRange, - DecodedLogEvent, - Token, - TokenEvents, - TransferContractEventArgs, - ZeroEx, - ZeroExError, + ApprovalContractEventArgs, + BlockParamLiteral, + BlockRange, + DecodedLogEvent, + Token, + TokenEvents, + TransferContractEventArgs, + ZeroEx, + ZeroExError, } from '../src'; import { DoneCallback } from '../src/types'; @@ -29,493 +29,493 @@ const expect = chai.expect; const blockchainLifecycle = new BlockchainLifecycle(constants.RPC_URL); describe('TokenWrapper', () => { - let web3: Web3; - let zeroEx: ZeroEx; - let userAddresses: string[]; - let tokens: Token[]; - let tokenUtils: TokenUtils; - let coinbase: string; - let addressWithoutFunds: string; - let web3Wrapper: Web3Wrapper; - const config = { - networkId: constants.TESTRPC_NETWORK_ID, - }; - before(async () => { - web3 = web3Factory.create(); - zeroEx = new ZeroEx(web3.currentProvider, config); - web3Wrapper = new Web3Wrapper(web3.currentProvider); - userAddresses = await zeroEx.getAvailableAddressesAsync(); - tokens = await zeroEx.tokenRegistry.getTokensAsync(); - tokenUtils = new TokenUtils(tokens); - coinbase = userAddresses[0]; - addressWithoutFunds = userAddresses[1]; - }); - beforeEach(async () => { - await blockchainLifecycle.startAsync(); - }); - afterEach(async () => { - await blockchainLifecycle.revertAsync(); - }); - describe('#transferAsync', () => { - let token: Token; - let transferAmount: BigNumber; - before(() => { - token = tokens[0]; - transferAmount = new BigNumber(42); - }); - it('should successfully transfer tokens', async () => { - const fromAddress = coinbase; - const toAddress = addressWithoutFunds; - const preBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); - expect(preBalance).to.be.bignumber.equal(0); - await zeroEx.token.transferAsync(token.address, fromAddress, toAddress, transferAmount); - const postBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); - return expect(postBalance).to.be.bignumber.equal(transferAmount); - }); - it('should fail to transfer tokens if fromAddress has an insufficient balance', async () => { - const fromAddress = addressWithoutFunds; - const toAddress = coinbase; - return expect( - zeroEx.token.transferAsync(token.address, fromAddress, toAddress, transferAmount), - ).to.be.rejectedWith(ZeroExError.InsufficientBalanceForTransfer); - }); - it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => { - const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065'; - const fromAddress = coinbase; - const toAddress = coinbase; - return expect( - zeroEx.token.transferAsync(nonExistentTokenAddress, fromAddress, toAddress, transferAmount), - ).to.be.rejectedWith(ZeroExError.TokenContractDoesNotExist); - }); - }); - describe('#transferFromAsync', () => { - let token: Token; - let toAddress: string; - let senderAddress: string; - before(async () => { - token = tokens[0]; - toAddress = addressWithoutFunds; - senderAddress = userAddresses[2]; - }); - it('should fail to transfer tokens if fromAddress has insufficient allowance set', async () => { - const fromAddress = coinbase; - const transferAmount = new BigNumber(42); - - const fromAddressBalance = await zeroEx.token.getBalanceAsync(token.address, fromAddress); - expect(fromAddressBalance).to.be.bignumber.greaterThan(transferAmount); - - const fromAddressAllowance = await zeroEx.token.getAllowanceAsync(token.address, fromAddress, toAddress); - expect(fromAddressAllowance).to.be.bignumber.equal(0); - - return expect( - zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount), - ).to.be.rejectedWith(ZeroExError.InsufficientAllowanceForTransfer); - }); - it('[regression] should fail to transfer tokens if set allowance for toAddress instead of senderAddress', async () => { - const fromAddress = coinbase; - const transferAmount = new BigNumber(42); - - await zeroEx.token.setAllowanceAsync(token.address, fromAddress, toAddress, transferAmount); - - return expect( - zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount), - ).to.be.rejectedWith(ZeroExError.InsufficientAllowanceForTransfer); - }); - it('should fail to transfer tokens if fromAddress has insufficient balance', async () => { - const fromAddress = addressWithoutFunds; - const transferAmount = new BigNumber(42); - - const fromAddressBalance = await zeroEx.token.getBalanceAsync(token.address, fromAddress); - expect(fromAddressBalance).to.be.bignumber.equal(0); - - await zeroEx.token.setAllowanceAsync(token.address, fromAddress, senderAddress, transferAmount); - const fromAddressAllowance = await zeroEx.token.getAllowanceAsync( - token.address, - fromAddress, - senderAddress, - ); - expect(fromAddressAllowance).to.be.bignumber.equal(transferAmount); - - return expect( - zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount), - ).to.be.rejectedWith(ZeroExError.InsufficientBalanceForTransfer); - }); - it('should successfully transfer tokens', async () => { - const fromAddress = coinbase; - - const preBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); - expect(preBalance).to.be.bignumber.equal(0); - - const transferAmount = new BigNumber(42); - await zeroEx.token.setAllowanceAsync(token.address, fromAddress, senderAddress, transferAmount); - - await zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount); - const postBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); - return expect(postBalance).to.be.bignumber.equal(transferAmount); - }); - it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => { - const fromAddress = coinbase; - const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065'; - return expect( - zeroEx.token.transferFromAsync( - nonExistentTokenAddress, - fromAddress, - toAddress, - senderAddress, - new BigNumber(42), - ), - ).to.be.rejectedWith(ZeroExError.TokenContractDoesNotExist); - }); - }); - describe('#getBalanceAsync', () => { - describe('With web3 provider with accounts', () => { - it('should return the balance for an existing ERC20 token', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - const balance = await zeroEx.token.getBalanceAsync(token.address, ownerAddress); - const expectedBalance = new BigNumber('1000000000000000000000000000'); - return expect(balance).to.be.bignumber.equal(expectedBalance); - }); - it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => { - const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065'; - const ownerAddress = coinbase; - return expect(zeroEx.token.getBalanceAsync(nonExistentTokenAddress, ownerAddress)).to.be.rejectedWith( - ZeroExError.TokenContractDoesNotExist, - ); - }); - it('should return a balance of 0 for a non-existent owner address', async () => { - const token = tokens[0]; - const nonExistentOwner = '0x198c6ad858f213fb31b6fe809e25040e6b964593'; - const balance = await zeroEx.token.getBalanceAsync(token.address, nonExistentOwner); - const expectedBalance = new BigNumber(0); - return expect(balance).to.be.bignumber.equal(expectedBalance); - }); - }); - describe('With web3 provider without accounts', () => { - let zeroExWithoutAccounts: ZeroEx; - before(async () => { - const hasAddresses = false; - const web3WithoutAccounts = web3Factory.create(hasAddresses); - zeroExWithoutAccounts = new ZeroEx(web3WithoutAccounts.currentProvider, config); - }); - it('should return balance even when called with Web3 provider instance without addresses', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - const balance = await zeroExWithoutAccounts.token.getBalanceAsync(token.address, ownerAddress); - const expectedBalance = new BigNumber('1000000000000000000000000000'); - return expect(balance).to.be.bignumber.equal(expectedBalance); - }); - }); - }); - describe('#setAllowanceAsync', () => { - it("should set the spender's allowance", async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - const spenderAddress = addressWithoutFunds; - - const allowanceBeforeSet = await zeroEx.token.getAllowanceAsync( - token.address, - ownerAddress, - spenderAddress, - ); - const expectedAllowanceBeforeAllowanceSet = new BigNumber(0); - expect(allowanceBeforeSet).to.be.bignumber.equal(expectedAllowanceBeforeAllowanceSet); - - const amountInBaseUnits = new BigNumber(50); - await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits); - - const allowanceAfterSet = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); - const expectedAllowanceAfterAllowanceSet = amountInBaseUnits; - return expect(allowanceAfterSet).to.be.bignumber.equal(expectedAllowanceAfterAllowanceSet); - }); - }); - describe('#setUnlimitedAllowanceAsync', () => { - it("should set the unlimited spender's allowance", async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - const spenderAddress = addressWithoutFunds; - - await zeroEx.token.setUnlimitedAllowanceAsync(token.address, ownerAddress, spenderAddress); - const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); - return expect(allowance).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS); - }); - it('should reduce the gas cost for transfers including tokens with unlimited allowance support', async () => { - const transferAmount = new BigNumber(5); - const zrx = tokenUtils.getProtocolTokenOrThrow(); - const [, userWithNormalAllowance, userWithUnlimitedAllowance] = userAddresses; - await zeroEx.token.setAllowanceAsync(zrx.address, coinbase, userWithNormalAllowance, transferAmount); - await zeroEx.token.setUnlimitedAllowanceAsync(zrx.address, coinbase, userWithUnlimitedAllowance); - - const initBalanceWithNormalAllowance = await web3Wrapper.getBalanceInWeiAsync(userWithNormalAllowance); - const initBalanceWithUnlimitedAllowance = await web3Wrapper.getBalanceInWeiAsync( - userWithUnlimitedAllowance, - ); - - await zeroEx.token.transferFromAsync( - zrx.address, - coinbase, - userWithNormalAllowance, - userWithNormalAllowance, - transferAmount, - ); - await zeroEx.token.transferFromAsync( - zrx.address, - coinbase, - userWithUnlimitedAllowance, - userWithUnlimitedAllowance, - transferAmount, - ); - - const finalBalanceWithNormalAllowance = await web3Wrapper.getBalanceInWeiAsync(userWithNormalAllowance); - const finalBalanceWithUnlimitedAllowance = await web3Wrapper.getBalanceInWeiAsync( - userWithUnlimitedAllowance, - ); - - const normalGasCost = initBalanceWithNormalAllowance.minus(finalBalanceWithNormalAllowance); - const unlimitedGasCost = initBalanceWithUnlimitedAllowance.minus(finalBalanceWithUnlimitedAllowance); - - // In theory the gas cost with unlimited allowance should be smaller, but with testrpc it's actually bigger. - // This needs to be investigated in ethereumjs-vm. This test is essentially a repro. - // TODO: Make this test pass with inverted assertion. - expect(unlimitedGasCost.toNumber()).to.be.gt(normalGasCost.toNumber()); - }); - }); - describe('#getAllowanceAsync', () => { - describe('With web3 provider with accounts', () => { - it('should get the proxy allowance', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - const spenderAddress = addressWithoutFunds; - - const amountInBaseUnits = new BigNumber(50); - await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits); - - const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); - const expectedAllowance = amountInBaseUnits; - return expect(allowance).to.be.bignumber.equal(expectedAllowance); - }); - it('should return 0 if no allowance set yet', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - const spenderAddress = addressWithoutFunds; - const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); - const expectedAllowance = new BigNumber(0); - return expect(allowance).to.be.bignumber.equal(expectedAllowance); - }); - }); - describe('With web3 provider without accounts', () => { - let zeroExWithoutAccounts: ZeroEx; - before(async () => { - const hasAddresses = false; - const web3WithoutAccounts = web3Factory.create(hasAddresses); - zeroExWithoutAccounts = new ZeroEx(web3WithoutAccounts.currentProvider, config); - }); - it('should get the proxy allowance', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - const spenderAddress = addressWithoutFunds; - - const amountInBaseUnits = new BigNumber(50); - await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits); - - const allowance = await zeroExWithoutAccounts.token.getAllowanceAsync( - token.address, - ownerAddress, - spenderAddress, - ); - const expectedAllowance = amountInBaseUnits; - return expect(allowance).to.be.bignumber.equal(expectedAllowance); - }); - }); - }); - describe('#getProxyAllowanceAsync', () => { - it('should get the proxy allowance', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - - const amountInBaseUnits = new BigNumber(50); - await zeroEx.token.setProxyAllowanceAsync(token.address, ownerAddress, amountInBaseUnits); - - const allowance = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); - const expectedAllowance = amountInBaseUnits; - return expect(allowance).to.be.bignumber.equal(expectedAllowance); - }); - }); - describe('#setProxyAllowanceAsync', () => { - it('should set the proxy allowance', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - - const allowanceBeforeSet = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); - const expectedAllowanceBeforeAllowanceSet = new BigNumber(0); - expect(allowanceBeforeSet).to.be.bignumber.equal(expectedAllowanceBeforeAllowanceSet); - - const amountInBaseUnits = new BigNumber(50); - await zeroEx.token.setProxyAllowanceAsync(token.address, ownerAddress, amountInBaseUnits); - - const allowanceAfterSet = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); - const expectedAllowanceAfterAllowanceSet = amountInBaseUnits; - return expect(allowanceAfterSet).to.be.bignumber.equal(expectedAllowanceAfterAllowanceSet); - }); - }); - describe('#setUnlimitedProxyAllowanceAsync', () => { - it('should set the unlimited proxy allowance', async () => { - const token = tokens[0]; - const ownerAddress = coinbase; - - await zeroEx.token.setUnlimitedProxyAllowanceAsync(token.address, ownerAddress); - const allowance = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); - return expect(allowance).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS); - }); - }); - describe('#subscribe', () => { - const indexFilterValues = {}; - let tokenAddress: string; - const transferAmount = new BigNumber(42); - const allowanceAmount = new BigNumber(42); - before(() => { - const token = tokens[0]; - tokenAddress = token.address; - }); - afterEach(() => { - zeroEx.token.unsubscribeAll(); - }); - // Hack: Mocha does not allow a test to be both async and have a `done` callback - // Since we need to await the receipt of the event in the `subscribe` callback, - // we do need both. A hack is to make the top-level a sync fn w/ a done callback and then - // wrap the rest of the test in an async block - // Source: https://github.com/mochajs/mocha/issues/2407 - it('Should receive the Transfer event when tokens are transfered', (done: DoneCallback) => { - (async () => { - const callback = reportNodeCallbackErrors(done)( - (logEvent: DecodedLogEvent<TransferContractEventArgs>) => { - expect(logEvent.isRemoved).to.be.false(); - expect(logEvent.log.logIndex).to.be.equal(0); - expect(logEvent.log.transactionIndex).to.be.equal(0); - expect(logEvent.log.blockNumber).to.be.a('number'); - const args = logEvent.log.args; - expect(args._from).to.be.equal(coinbase); - expect(args._to).to.be.equal(addressWithoutFunds); - expect(args._value).to.be.bignumber.equal(transferAmount); - }, - ); - zeroEx.token.subscribe(tokenAddress, TokenEvents.Transfer, indexFilterValues, callback); - await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount); - })().catch(done); - }); - it('Should receive the Approval event when allowance is being set', (done: DoneCallback) => { - (async () => { - const callback = reportNodeCallbackErrors(done)( - (logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { - expect(logEvent).to.not.be.undefined(); - expect(logEvent.isRemoved).to.be.false(); - const args = logEvent.log.args; - expect(args._owner).to.be.equal(coinbase); - expect(args._spender).to.be.equal(addressWithoutFunds); - expect(args._value).to.be.bignumber.equal(allowanceAmount); - }, - ); - zeroEx.token.subscribe(tokenAddress, TokenEvents.Approval, indexFilterValues, callback); - await zeroEx.token.setAllowanceAsync(tokenAddress, coinbase, addressWithoutFunds, allowanceAmount); - })().catch(done); - }); - it('Outstanding subscriptions are cancelled when zeroEx.setProvider called', (done: DoneCallback) => { - (async () => { - const callbackNeverToBeCalled = reportNodeCallbackErrors(done)( - (logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { - done(new Error('Expected this subscription to have been cancelled')); - }, - ); - zeroEx.token.subscribe(tokenAddress, TokenEvents.Transfer, indexFilterValues, callbackNeverToBeCalled); - const callbackToBeCalled = reportNodeCallbackErrors(done)(); - const newProvider = web3Factory.getRpcProvider(); - zeroEx.setProvider(newProvider, constants.TESTRPC_NETWORK_ID); - zeroEx.token.subscribe(tokenAddress, TokenEvents.Transfer, indexFilterValues, callbackToBeCalled); - await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount); - })().catch(done); - }); - it('Should cancel subscription when unsubscribe called', (done: DoneCallback) => { - (async () => { - const callbackNeverToBeCalled = reportNodeCallbackErrors(done)( - (logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { - done(new Error('Expected this subscription to have been cancelled')); - }, - ); - const subscriptionToken = zeroEx.token.subscribe( - tokenAddress, - TokenEvents.Transfer, - indexFilterValues, - callbackNeverToBeCalled, - ); - zeroEx.token.unsubscribe(subscriptionToken); - await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount); - done(); - })().catch(done); - }); - }); - describe('#getLogsAsync', () => { - let tokenAddress: string; - let tokenTransferProxyAddress: string; - const blockRange: BlockRange = { - fromBlock: 0, - toBlock: BlockParamLiteral.Latest, - }; - let txHash: string; - before(() => { - const token = tokens[0]; - tokenAddress = token.address; - tokenTransferProxyAddress = zeroEx.proxy.getContractAddress(); - }); - it('should get logs with decoded args emitted by Approval', async () => { - txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, coinbase); - await zeroEx.awaitTransactionMinedAsync(txHash); - const eventName = TokenEvents.Approval; - const indexFilterValues = {}; - const logs = await zeroEx.token.getLogsAsync<ApprovalContractEventArgs>( - tokenAddress, - eventName, - blockRange, - indexFilterValues, - ); - expect(logs).to.have.length(1); - const args = logs[0].args; - expect(logs[0].event).to.be.equal(eventName); - expect(args._owner).to.be.equal(coinbase); - expect(args._spender).to.be.equal(tokenTransferProxyAddress); - expect(args._value).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS); - }); - it('should only get the logs with the correct event name', async () => { - txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, coinbase); - await zeroEx.awaitTransactionMinedAsync(txHash); - const differentEventName = TokenEvents.Transfer; - const indexFilterValues = {}; - const logs = await zeroEx.token.getLogsAsync( - tokenAddress, - differentEventName, - blockRange, - indexFilterValues, - ); - expect(logs).to.have.length(0); - }); - it('should only get the logs with the correct indexed fields', async () => { - txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, coinbase); - await zeroEx.awaitTransactionMinedAsync(txHash); - txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, addressWithoutFunds); - await zeroEx.awaitTransactionMinedAsync(txHash); - const eventName = TokenEvents.Approval; - const indexFilterValues = { - _owner: coinbase, - }; - const logs = await zeroEx.token.getLogsAsync<ApprovalContractEventArgs>( - tokenAddress, - eventName, - blockRange, - indexFilterValues, - ); - expect(logs).to.have.length(1); - const args = logs[0].args; - expect(args._owner).to.be.equal(coinbase); - }); - }); + let web3: Web3; + let zeroEx: ZeroEx; + let userAddresses: string[]; + let tokens: Token[]; + let tokenUtils: TokenUtils; + let coinbase: string; + let addressWithoutFunds: string; + let web3Wrapper: Web3Wrapper; + const config = { + networkId: constants.TESTRPC_NETWORK_ID, + }; + before(async () => { + web3 = web3Factory.create(); + zeroEx = new ZeroEx(web3.currentProvider, config); + web3Wrapper = new Web3Wrapper(web3.currentProvider); + userAddresses = await zeroEx.getAvailableAddressesAsync(); + tokens = await zeroEx.tokenRegistry.getTokensAsync(); + tokenUtils = new TokenUtils(tokens); + coinbase = userAddresses[0]; + addressWithoutFunds = userAddresses[1]; + }); + beforeEach(async () => { + await blockchainLifecycle.startAsync(); + }); + afterEach(async () => { + await blockchainLifecycle.revertAsync(); + }); + describe('#transferAsync', () => { + let token: Token; + let transferAmount: BigNumber; + before(() => { + token = tokens[0]; + transferAmount = new BigNumber(42); + }); + it('should successfully transfer tokens', async () => { + const fromAddress = coinbase; + const toAddress = addressWithoutFunds; + const preBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); + expect(preBalance).to.be.bignumber.equal(0); + await zeroEx.token.transferAsync(token.address, fromAddress, toAddress, transferAmount); + const postBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); + return expect(postBalance).to.be.bignumber.equal(transferAmount); + }); + it('should fail to transfer tokens if fromAddress has an insufficient balance', async () => { + const fromAddress = addressWithoutFunds; + const toAddress = coinbase; + return expect( + zeroEx.token.transferAsync(token.address, fromAddress, toAddress, transferAmount), + ).to.be.rejectedWith(ZeroExError.InsufficientBalanceForTransfer); + }); + it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => { + const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065'; + const fromAddress = coinbase; + const toAddress = coinbase; + return expect( + zeroEx.token.transferAsync(nonExistentTokenAddress, fromAddress, toAddress, transferAmount), + ).to.be.rejectedWith(ZeroExError.TokenContractDoesNotExist); + }); + }); + describe('#transferFromAsync', () => { + let token: Token; + let toAddress: string; + let senderAddress: string; + before(async () => { + token = tokens[0]; + toAddress = addressWithoutFunds; + senderAddress = userAddresses[2]; + }); + it('should fail to transfer tokens if fromAddress has insufficient allowance set', async () => { + const fromAddress = coinbase; + const transferAmount = new BigNumber(42); + + const fromAddressBalance = await zeroEx.token.getBalanceAsync(token.address, fromAddress); + expect(fromAddressBalance).to.be.bignumber.greaterThan(transferAmount); + + const fromAddressAllowance = await zeroEx.token.getAllowanceAsync(token.address, fromAddress, toAddress); + expect(fromAddressAllowance).to.be.bignumber.equal(0); + + return expect( + zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount), + ).to.be.rejectedWith(ZeroExError.InsufficientAllowanceForTransfer); + }); + it('[regression] should fail to transfer tokens if set allowance for toAddress instead of senderAddress', async () => { + const fromAddress = coinbase; + const transferAmount = new BigNumber(42); + + await zeroEx.token.setAllowanceAsync(token.address, fromAddress, toAddress, transferAmount); + + return expect( + zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount), + ).to.be.rejectedWith(ZeroExError.InsufficientAllowanceForTransfer); + }); + it('should fail to transfer tokens if fromAddress has insufficient balance', async () => { + const fromAddress = addressWithoutFunds; + const transferAmount = new BigNumber(42); + + const fromAddressBalance = await zeroEx.token.getBalanceAsync(token.address, fromAddress); + expect(fromAddressBalance).to.be.bignumber.equal(0); + + await zeroEx.token.setAllowanceAsync(token.address, fromAddress, senderAddress, transferAmount); + const fromAddressAllowance = await zeroEx.token.getAllowanceAsync( + token.address, + fromAddress, + senderAddress, + ); + expect(fromAddressAllowance).to.be.bignumber.equal(transferAmount); + + return expect( + zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount), + ).to.be.rejectedWith(ZeroExError.InsufficientBalanceForTransfer); + }); + it('should successfully transfer tokens', async () => { + const fromAddress = coinbase; + + const preBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); + expect(preBalance).to.be.bignumber.equal(0); + + const transferAmount = new BigNumber(42); + await zeroEx.token.setAllowanceAsync(token.address, fromAddress, senderAddress, transferAmount); + + await zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress, transferAmount); + const postBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress); + return expect(postBalance).to.be.bignumber.equal(transferAmount); + }); + it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => { + const fromAddress = coinbase; + const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065'; + return expect( + zeroEx.token.transferFromAsync( + nonExistentTokenAddress, + fromAddress, + toAddress, + senderAddress, + new BigNumber(42), + ), + ).to.be.rejectedWith(ZeroExError.TokenContractDoesNotExist); + }); + }); + describe('#getBalanceAsync', () => { + describe('With web3 provider with accounts', () => { + it('should return the balance for an existing ERC20 token', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + const balance = await zeroEx.token.getBalanceAsync(token.address, ownerAddress); + const expectedBalance = new BigNumber('1000000000000000000000000000'); + return expect(balance).to.be.bignumber.equal(expectedBalance); + }); + it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => { + const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065'; + const ownerAddress = coinbase; + return expect(zeroEx.token.getBalanceAsync(nonExistentTokenAddress, ownerAddress)).to.be.rejectedWith( + ZeroExError.TokenContractDoesNotExist, + ); + }); + it('should return a balance of 0 for a non-existent owner address', async () => { + const token = tokens[0]; + const nonExistentOwner = '0x198c6ad858f213fb31b6fe809e25040e6b964593'; + const balance = await zeroEx.token.getBalanceAsync(token.address, nonExistentOwner); + const expectedBalance = new BigNumber(0); + return expect(balance).to.be.bignumber.equal(expectedBalance); + }); + }); + describe('With web3 provider without accounts', () => { + let zeroExWithoutAccounts: ZeroEx; + before(async () => { + const hasAddresses = false; + const web3WithoutAccounts = web3Factory.create(hasAddresses); + zeroExWithoutAccounts = new ZeroEx(web3WithoutAccounts.currentProvider, config); + }); + it('should return balance even when called with Web3 provider instance without addresses', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + const balance = await zeroExWithoutAccounts.token.getBalanceAsync(token.address, ownerAddress); + const expectedBalance = new BigNumber('1000000000000000000000000000'); + return expect(balance).to.be.bignumber.equal(expectedBalance); + }); + }); + }); + describe('#setAllowanceAsync', () => { + it("should set the spender's allowance", async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + const spenderAddress = addressWithoutFunds; + + const allowanceBeforeSet = await zeroEx.token.getAllowanceAsync( + token.address, + ownerAddress, + spenderAddress, + ); + const expectedAllowanceBeforeAllowanceSet = new BigNumber(0); + expect(allowanceBeforeSet).to.be.bignumber.equal(expectedAllowanceBeforeAllowanceSet); + + const amountInBaseUnits = new BigNumber(50); + await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits); + + const allowanceAfterSet = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); + const expectedAllowanceAfterAllowanceSet = amountInBaseUnits; + return expect(allowanceAfterSet).to.be.bignumber.equal(expectedAllowanceAfterAllowanceSet); + }); + }); + describe('#setUnlimitedAllowanceAsync', () => { + it("should set the unlimited spender's allowance", async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + const spenderAddress = addressWithoutFunds; + + await zeroEx.token.setUnlimitedAllowanceAsync(token.address, ownerAddress, spenderAddress); + const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); + return expect(allowance).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS); + }); + it('should reduce the gas cost for transfers including tokens with unlimited allowance support', async () => { + const transferAmount = new BigNumber(5); + const zrx = tokenUtils.getProtocolTokenOrThrow(); + const [, userWithNormalAllowance, userWithUnlimitedAllowance] = userAddresses; + await zeroEx.token.setAllowanceAsync(zrx.address, coinbase, userWithNormalAllowance, transferAmount); + await zeroEx.token.setUnlimitedAllowanceAsync(zrx.address, coinbase, userWithUnlimitedAllowance); + + const initBalanceWithNormalAllowance = await web3Wrapper.getBalanceInWeiAsync(userWithNormalAllowance); + const initBalanceWithUnlimitedAllowance = await web3Wrapper.getBalanceInWeiAsync( + userWithUnlimitedAllowance, + ); + + await zeroEx.token.transferFromAsync( + zrx.address, + coinbase, + userWithNormalAllowance, + userWithNormalAllowance, + transferAmount, + ); + await zeroEx.token.transferFromAsync( + zrx.address, + coinbase, + userWithUnlimitedAllowance, + userWithUnlimitedAllowance, + transferAmount, + ); + + const finalBalanceWithNormalAllowance = await web3Wrapper.getBalanceInWeiAsync(userWithNormalAllowance); + const finalBalanceWithUnlimitedAllowance = await web3Wrapper.getBalanceInWeiAsync( + userWithUnlimitedAllowance, + ); + + const normalGasCost = initBalanceWithNormalAllowance.minus(finalBalanceWithNormalAllowance); + const unlimitedGasCost = initBalanceWithUnlimitedAllowance.minus(finalBalanceWithUnlimitedAllowance); + + // In theory the gas cost with unlimited allowance should be smaller, but with testrpc it's actually bigger. + // This needs to be investigated in ethereumjs-vm. This test is essentially a repro. + // TODO: Make this test pass with inverted assertion. + expect(unlimitedGasCost.toNumber()).to.be.gt(normalGasCost.toNumber()); + }); + }); + describe('#getAllowanceAsync', () => { + describe('With web3 provider with accounts', () => { + it('should get the proxy allowance', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + const spenderAddress = addressWithoutFunds; + + const amountInBaseUnits = new BigNumber(50); + await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits); + + const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); + const expectedAllowance = amountInBaseUnits; + return expect(allowance).to.be.bignumber.equal(expectedAllowance); + }); + it('should return 0 if no allowance set yet', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + const spenderAddress = addressWithoutFunds; + const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress); + const expectedAllowance = new BigNumber(0); + return expect(allowance).to.be.bignumber.equal(expectedAllowance); + }); + }); + describe('With web3 provider without accounts', () => { + let zeroExWithoutAccounts: ZeroEx; + before(async () => { + const hasAddresses = false; + const web3WithoutAccounts = web3Factory.create(hasAddresses); + zeroExWithoutAccounts = new ZeroEx(web3WithoutAccounts.currentProvider, config); + }); + it('should get the proxy allowance', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + const spenderAddress = addressWithoutFunds; + + const amountInBaseUnits = new BigNumber(50); + await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits); + + const allowance = await zeroExWithoutAccounts.token.getAllowanceAsync( + token.address, + ownerAddress, + spenderAddress, + ); + const expectedAllowance = amountInBaseUnits; + return expect(allowance).to.be.bignumber.equal(expectedAllowance); + }); + }); + }); + describe('#getProxyAllowanceAsync', () => { + it('should get the proxy allowance', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + + const amountInBaseUnits = new BigNumber(50); + await zeroEx.token.setProxyAllowanceAsync(token.address, ownerAddress, amountInBaseUnits); + + const allowance = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); + const expectedAllowance = amountInBaseUnits; + return expect(allowance).to.be.bignumber.equal(expectedAllowance); + }); + }); + describe('#setProxyAllowanceAsync', () => { + it('should set the proxy allowance', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + + const allowanceBeforeSet = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); + const expectedAllowanceBeforeAllowanceSet = new BigNumber(0); + expect(allowanceBeforeSet).to.be.bignumber.equal(expectedAllowanceBeforeAllowanceSet); + + const amountInBaseUnits = new BigNumber(50); + await zeroEx.token.setProxyAllowanceAsync(token.address, ownerAddress, amountInBaseUnits); + + const allowanceAfterSet = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); + const expectedAllowanceAfterAllowanceSet = amountInBaseUnits; + return expect(allowanceAfterSet).to.be.bignumber.equal(expectedAllowanceAfterAllowanceSet); + }); + }); + describe('#setUnlimitedProxyAllowanceAsync', () => { + it('should set the unlimited proxy allowance', async () => { + const token = tokens[0]; + const ownerAddress = coinbase; + + await zeroEx.token.setUnlimitedProxyAllowanceAsync(token.address, ownerAddress); + const allowance = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress); + return expect(allowance).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS); + }); + }); + describe('#subscribe', () => { + const indexFilterValues = {}; + let tokenAddress: string; + const transferAmount = new BigNumber(42); + const allowanceAmount = new BigNumber(42); + before(() => { + const token = tokens[0]; + tokenAddress = token.address; + }); + afterEach(() => { + zeroEx.token.unsubscribeAll(); + }); + // Hack: Mocha does not allow a test to be both async and have a `done` callback + // Since we need to await the receipt of the event in the `subscribe` callback, + // we do need both. A hack is to make the top-level a sync fn w/ a done callback and then + // wrap the rest of the test in an async block + // Source: https://github.com/mochajs/mocha/issues/2407 + it('Should receive the Transfer event when tokens are transfered', (done: DoneCallback) => { + (async () => { + const callback = reportNodeCallbackErrors(done)( + (logEvent: DecodedLogEvent<TransferContractEventArgs>) => { + expect(logEvent.isRemoved).to.be.false(); + expect(logEvent.log.logIndex).to.be.equal(0); + expect(logEvent.log.transactionIndex).to.be.equal(0); + expect(logEvent.log.blockNumber).to.be.a('number'); + const args = logEvent.log.args; + expect(args._from).to.be.equal(coinbase); + expect(args._to).to.be.equal(addressWithoutFunds); + expect(args._value).to.be.bignumber.equal(transferAmount); + }, + ); + zeroEx.token.subscribe(tokenAddress, TokenEvents.Transfer, indexFilterValues, callback); + await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount); + })().catch(done); + }); + it('Should receive the Approval event when allowance is being set', (done: DoneCallback) => { + (async () => { + const callback = reportNodeCallbackErrors(done)( + (logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { + expect(logEvent).to.not.be.undefined(); + expect(logEvent.isRemoved).to.be.false(); + const args = logEvent.log.args; + expect(args._owner).to.be.equal(coinbase); + expect(args._spender).to.be.equal(addressWithoutFunds); + expect(args._value).to.be.bignumber.equal(allowanceAmount); + }, + ); + zeroEx.token.subscribe(tokenAddress, TokenEvents.Approval, indexFilterValues, callback); + await zeroEx.token.setAllowanceAsync(tokenAddress, coinbase, addressWithoutFunds, allowanceAmount); + })().catch(done); + }); + it('Outstanding subscriptions are cancelled when zeroEx.setProvider called', (done: DoneCallback) => { + (async () => { + const callbackNeverToBeCalled = reportNodeCallbackErrors(done)( + (logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { + done(new Error('Expected this subscription to have been cancelled')); + }, + ); + zeroEx.token.subscribe(tokenAddress, TokenEvents.Transfer, indexFilterValues, callbackNeverToBeCalled); + const callbackToBeCalled = reportNodeCallbackErrors(done)(); + const newProvider = web3Factory.getRpcProvider(); + zeroEx.setProvider(newProvider, constants.TESTRPC_NETWORK_ID); + zeroEx.token.subscribe(tokenAddress, TokenEvents.Transfer, indexFilterValues, callbackToBeCalled); + await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount); + })().catch(done); + }); + it('Should cancel subscription when unsubscribe called', (done: DoneCallback) => { + (async () => { + const callbackNeverToBeCalled = reportNodeCallbackErrors(done)( + (logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { + done(new Error('Expected this subscription to have been cancelled')); + }, + ); + const subscriptionToken = zeroEx.token.subscribe( + tokenAddress, + TokenEvents.Transfer, + indexFilterValues, + callbackNeverToBeCalled, + ); + zeroEx.token.unsubscribe(subscriptionToken); + await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount); + done(); + })().catch(done); + }); + }); + describe('#getLogsAsync', () => { + let tokenAddress: string; + let tokenTransferProxyAddress: string; + const blockRange: BlockRange = { + fromBlock: 0, + toBlock: BlockParamLiteral.Latest, + }; + let txHash: string; + before(() => { + const token = tokens[0]; + tokenAddress = token.address; + tokenTransferProxyAddress = zeroEx.proxy.getContractAddress(); + }); + it('should get logs with decoded args emitted by Approval', async () => { + txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, coinbase); + await zeroEx.awaitTransactionMinedAsync(txHash); + const eventName = TokenEvents.Approval; + const indexFilterValues = {}; + const logs = await zeroEx.token.getLogsAsync<ApprovalContractEventArgs>( + tokenAddress, + eventName, + blockRange, + indexFilterValues, + ); + expect(logs).to.have.length(1); + const args = logs[0].args; + expect(logs[0].event).to.be.equal(eventName); + expect(args._owner).to.be.equal(coinbase); + expect(args._spender).to.be.equal(tokenTransferProxyAddress); + expect(args._value).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS); + }); + it('should only get the logs with the correct event name', async () => { + txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, coinbase); + await zeroEx.awaitTransactionMinedAsync(txHash); + const differentEventName = TokenEvents.Transfer; + const indexFilterValues = {}; + const logs = await zeroEx.token.getLogsAsync( + tokenAddress, + differentEventName, + blockRange, + indexFilterValues, + ); + expect(logs).to.have.length(0); + }); + it('should only get the logs with the correct indexed fields', async () => { + txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, coinbase); + await zeroEx.awaitTransactionMinedAsync(txHash); + txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(tokenAddress, addressWithoutFunds); + await zeroEx.awaitTransactionMinedAsync(txHash); + const eventName = TokenEvents.Approval; + const indexFilterValues = { + _owner: coinbase, + }; + const logs = await zeroEx.token.getLogsAsync<ApprovalContractEventArgs>( + tokenAddress, + eventName, + blockRange, + indexFilterValues, + ); + expect(logs).to.have.length(1); + const args = logs[0].args; + expect(args._owner).to.be.equal(coinbase); + }); + }); }); // tslint:disable:max-file-line-count |