diff options
Diffstat (limited to 'packages/0x.js/test/ether_token_wrapper_test.ts')
| -rw-r--r-- | packages/0x.js/test/ether_token_wrapper_test.ts | 229 |
1 files changed, 228 insertions, 1 deletions
diff --git a/packages/0x.js/test/ether_token_wrapper_test.ts b/packages/0x.js/test/ether_token_wrapper_test.ts index b5ed19308..4fcb37409 100644 --- a/packages/0x.js/test/ether_token_wrapper_test.ts +++ b/packages/0x.js/test/ether_token_wrapper_test.ts @@ -4,11 +4,25 @@ import * as chai from 'chai'; import 'mocha'; import * as Web3 from 'web3'; -import {ZeroEx, ZeroExError} from '../src'; +import { + ApprovalContractEventArgs, + BlockParamLiteral, + BlockRange, + DecodedLogEvent, + DepositContractEventArgs, + EtherTokenEvents, + Token, + TransferContractEventArgs, + WithdrawalContractEventArgs, + ZeroEx, + ZeroExError, +} from '../src'; import {artifacts} from '../src/artifacts'; +import {DoneCallback} from '../src/types'; import {chaiSetup} from './utils/chai_setup'; import {constants} from './utils/constants'; +import {TokenUtils} from './utils/token_utils'; import {web3Factory} from './utils/web3_factory'; chaiSetup.configure(); @@ -24,24 +38,32 @@ const MAX_REASONABLE_GAS_COST_IN_WEI = 62517; describe('EtherTokenWrapper', () => { let web3: Web3; let zeroEx: ZeroEx; + let tokens: Token[]; let userAddresses: string[]; let addressWithETH: string; let wethContractAddress: string; let depositWeiAmount: BigNumber; let decimalPlaces: number; + let addressWithoutFunds: string; const gasPrice = new BigNumber(1); const zeroExConfig = { gasPrice, networkId: constants.TESTRPC_NETWORK_ID, }; + const transferAmount = new BigNumber(42); + const allowanceAmount = new BigNumber(42); + const depositAmount = new BigNumber(42); + const withdrawalAmount = new BigNumber(42); before(async () => { web3 = web3Factory.create(); zeroEx = new ZeroEx(web3.currentProvider, zeroExConfig); + tokens = await zeroEx.tokenRegistry.getTokensAsync(); userAddresses = await zeroEx.getAvailableAddressesAsync(); addressWithETH = userAddresses[0]; wethContractAddress = (zeroEx.etherToken as any)._getContractAddress(artifacts.EtherTokenArtifact); depositWeiAmount = (zeroEx as any)._web3Wrapper.toWei(new BigNumber(5)); decimalPlaces = 7; + addressWithoutFunds = userAddresses[1]; }); beforeEach(async () => { await blockchainLifecycle.startAsync(); @@ -113,4 +135,209 @@ describe('EtherTokenWrapper', () => { ).to.be.rejectedWith(ZeroExError.InsufficientWEthBalanceForWithdrawal); }); }); + describe('#subscribe', () => { + const indexFilterValues = {}; + let etherTokenAddress: string; + before(() => { + const tokenUtils = new TokenUtils(tokens); + const etherToken = tokenUtils.getWethTokenOrThrow(); + etherTokenAddress = etherToken.address; + }); + afterEach(() => { + zeroEx.etherToken.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 async 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 = (err: Error, logEvent: DecodedLogEvent<TransferContractEventArgs>) => { + expect(err).to.be.null(); + expect(logEvent).to.not.be.undefined(); + 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(addressWithETH); + expect(args._to).to.be.equal(addressWithoutFunds); + expect(args._value).to.be.bignumber.equal(transferAmount); + done(); + }; + await zeroEx.etherToken.depositAsync(etherTokenAddress, transferAmount, addressWithETH); + zeroEx.etherToken.subscribe( + etherTokenAddress, EtherTokenEvents.Transfer, indexFilterValues, callback); + await zeroEx.token.transferAsync( + etherTokenAddress, addressWithETH, addressWithoutFunds, transferAmount, + ); + })().catch(done); + }); + it('Should receive the Approval event when allowance is being set', (done: DoneCallback) => { + (async () => { + const callback = (err: Error, logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { + expect(err).to.be.null(); + expect(logEvent).to.not.be.undefined(); + expect(logEvent.isRemoved).to.be.false(); + const args = logEvent.log.args; + expect(args._owner).to.be.equal(addressWithETH); + expect(args._spender).to.be.equal(addressWithoutFunds); + expect(args._value).to.be.bignumber.equal(allowanceAmount); + done(); + }; + zeroEx.etherToken.subscribe( + etherTokenAddress, EtherTokenEvents.Approval, indexFilterValues, callback); + await zeroEx.token.setAllowanceAsync( + etherTokenAddress, addressWithETH, addressWithoutFunds, allowanceAmount, + ); + })().catch(done); + }); + it('Should receive the Deposit event when ether is being deposited', (done: DoneCallback) => { + (async () => { + const callback = (err: Error, logEvent: DecodedLogEvent<DepositContractEventArgs>) => { + expect(err).to.be.null(); + expect(logEvent).to.not.be.undefined(); + expect(logEvent.isRemoved).to.be.false(); + const args = logEvent.log.args; + expect(args._owner).to.be.equal(addressWithETH); + expect(args._value).to.be.bignumber.equal(depositAmount); + done(); + }; + zeroEx.etherToken.subscribe( + etherTokenAddress, EtherTokenEvents.Deposit, indexFilterValues, callback); + await zeroEx.etherToken.depositAsync( + etherTokenAddress, depositAmount, addressWithETH, + ); + })().catch(done); + }); + it('Should receive the Withdrawal event when ether is being withdrawn', (done: DoneCallback) => { + (async () => { + const callback = (err: Error, logEvent: DecodedLogEvent<WithdrawalContractEventArgs>) => { + expect(err).to.be.null(); + expect(logEvent).to.not.be.undefined(); + expect(logEvent.isRemoved).to.be.false(); + const args = logEvent.log.args; + expect(args._owner).to.be.equal(addressWithETH); + expect(args._value).to.be.bignumber.equal(depositAmount); + done(); + }; + await zeroEx.etherToken.depositAsync( + etherTokenAddress, depositAmount, addressWithETH, + ); + zeroEx.etherToken.subscribe( + etherTokenAddress, EtherTokenEvents.Withdrawal, indexFilterValues, callback); + await zeroEx.etherToken.withdrawAsync( + etherTokenAddress, withdrawalAmount, addressWithETH, + ); + })().catch(done); + }); + it('should cancel outstanding subscriptions when ZeroEx.setProvider is called', (done: DoneCallback) => { + (async () => { + const callbackNeverToBeCalled = (err: Error, logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { + done(new Error('Expected this subscription to have been cancelled')); + }; + zeroEx.etherToken.subscribe( + etherTokenAddress, EtherTokenEvents.Transfer, indexFilterValues, callbackNeverToBeCalled, + ); + const callbackToBeCalled = (err: Error, logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { + done(); + }; + const newProvider = web3Factory.getRpcProvider(); + zeroEx.setProvider(newProvider, constants.TESTRPC_NETWORK_ID); + await zeroEx.etherToken.depositAsync(etherTokenAddress, transferAmount, addressWithETH); + zeroEx.etherToken.subscribe( + etherTokenAddress, EtherTokenEvents.Transfer, indexFilterValues, callbackToBeCalled, + ); + await zeroEx.token.transferAsync( + etherTokenAddress, addressWithETH, addressWithoutFunds, transferAmount, + ); + })().catch(done); + }); + it('Should cancel subscription when unsubscribe called', (done: DoneCallback) => { + (async () => { + const callbackNeverToBeCalled = (err: Error, logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => { + done(new Error('Expected this subscription to have been cancelled')); + }; + await zeroEx.etherToken.depositAsync(etherTokenAddress, transferAmount, addressWithETH); + const subscriptionToken = zeroEx.etherToken.subscribe( + etherTokenAddress, EtherTokenEvents.Transfer, indexFilterValues, callbackNeverToBeCalled); + zeroEx.etherToken.unsubscribe(subscriptionToken); + await zeroEx.token.transferAsync( + etherTokenAddress, addressWithETH, addressWithoutFunds, transferAmount, + ); + done(); + })().catch(done); + }); + }); + describe('#getLogsAsync', () => { + let etherTokenAddress: string; + let tokenTransferProxyAddress: string; + const blockRange: BlockRange = { + fromBlock: 0, + toBlock: BlockParamLiteral.Latest, + }; + let txHash: string; + before(() => { + addressWithETH = userAddresses[0]; + const tokenUtils = new TokenUtils(tokens); + const etherToken = tokenUtils.getWethTokenOrThrow(); + etherTokenAddress = etherToken.address; + tokenTransferProxyAddress = zeroEx.proxy.getContractAddress(); + }); + it('should get logs with decoded args emitted by Approval', async () => { + txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(etherTokenAddress, addressWithETH); + await zeroEx.awaitTransactionMinedAsync(txHash); + const eventName = EtherTokenEvents.Approval; + const indexFilterValues = {}; + const logs = await zeroEx.etherToken.getLogsAsync<ApprovalContractEventArgs>( + etherTokenAddress, 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(addressWithETH); + expect(args._spender).to.be.equal(tokenTransferProxyAddress); + expect(args._value).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS); + }); + it('should get logs with decoded args emitted by Deposit', async () => { + await zeroEx.etherToken.depositAsync(etherTokenAddress, depositAmount, addressWithETH); + const eventName = EtherTokenEvents.Deposit; + const indexFilterValues = {}; + const logs = await zeroEx.etherToken.getLogsAsync<DepositContractEventArgs>( + etherTokenAddress, 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(addressWithETH); + expect(args._value).to.be.bignumber.equal(depositAmount); + }); + it('should only get the logs with the correct event name', async () => { + txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(etherTokenAddress, addressWithETH); + await zeroEx.awaitTransactionMinedAsync(txHash); + const differentEventName = EtherTokenEvents.Transfer; + const indexFilterValues = {}; + const logs = await zeroEx.etherToken.getLogsAsync( + etherTokenAddress, 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(etherTokenAddress, addressWithETH); + await zeroEx.awaitTransactionMinedAsync(txHash); + txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(etherTokenAddress, addressWithoutFunds); + await zeroEx.awaitTransactionMinedAsync(txHash); + const eventName = EtherTokenEvents.Approval; + const indexFilterValues = { + _owner: addressWithETH, + }; + const logs = await zeroEx.etherToken.getLogsAsync<ApprovalContractEventArgs>( + etherTokenAddress, eventName, blockRange, indexFilterValues, + ); + expect(logs).to.have.length(1); + const args = logs[0].args; + expect(args._owner).to.be.equal(addressWithETH); + }); + }); }); |