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-rw-r--r--packages/0x.js/test/ether_token_wrapper_test.ts171
-rw-r--r--packages/0x.js/test/token_wrapper_test.ts3
-rw-r--r--packages/0x.js/test/utils/token_utils.ts7
3 files changed, 179 insertions, 2 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..cdb6ef3b6 100644
--- a/packages/0x.js/test/ether_token_wrapper_test.ts
+++ b/packages/0x.js/test/ether_token_wrapper_test.ts
@@ -4,11 +4,23 @@ import * as chai from 'chai';
import 'mocha';
import * as Web3 from 'web3';
-import {ZeroEx, ZeroExError} from '../src';
+import {
+ ApprovalContractEventArgs,
+ BlockParamLiteral,
+ BlockRange,
+ DecodedLogEvent,
+ EtherTokenEvents,
+ Token,
+ TransferContractEventArgs,
+ 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();
@@ -24,11 +36,13 @@ 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,
@@ -37,11 +51,13 @@ describe('EtherTokenWrapper', () => {
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 +129,157 @@ describe('EtherTokenWrapper', () => {
).to.be.rejectedWith(ZeroExError.InsufficientWEthBalanceForWithdrawal);
});
});
+ describe('#subscribe', () => {
+ const indexFilterValues = {};
+ let etherTokenAddress: string;
+ const transferAmount = new BigNumber(42);
+ const allowanceAmount = new BigNumber(42);
+ 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 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 = (err: Error, logEvent: DecodedLogEvent<TransferContractEventArgs>) => {
+ 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(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('Outstanding subscriptions are cancelled when zeroEx.setProvider 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 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);
+ });
+ });
});
diff --git a/packages/0x.js/test/token_wrapper_test.ts b/packages/0x.js/test/token_wrapper_test.ts
index 48742b663..a43cef675 100644
--- a/packages/0x.js/test/token_wrapper_test.ts
+++ b/packages/0x.js/test/token_wrapper_test.ts
@@ -7,6 +7,7 @@ import * as Web3 from 'web3';
import {
ApprovalContractEventArgs,
+ BlockParamLiteral,
BlockRange,
DecodedLogEvent,
Token,
@@ -15,7 +16,7 @@ import {
ZeroEx,
ZeroExError,
} from '../src';
-import {BlockParamLiteral, DoneCallback} from '../src/types';
+import {DoneCallback} from '../src/types';
import {chaiSetup} from './utils/chai_setup';
import {constants} from './utils/constants';
diff --git a/packages/0x.js/test/utils/token_utils.ts b/packages/0x.js/test/utils/token_utils.ts
index 4634899a7..7da7f466c 100644
--- a/packages/0x.js/test/utils/token_utils.ts
+++ b/packages/0x.js/test/utils/token_utils.ts
@@ -17,6 +17,13 @@ export class TokenUtils {
}
return zrxToken;
}
+ public getWethTokenOrThrow(): Token {
+ const wethToken = _.find(this.tokens, {symbol: WETH_TOKEN_SYMBOL});
+ if (_.isUndefined(wethToken)) {
+ throw new Error(InternalZeroExError.WethNotInTokenRegistry);
+ }
+ return wethToken;
+ }
public getDummyTokens(): Token[] {
const dummyTokens = _.filter(this.tokens, token => {
return !_.includes([PROTOCOL_TOKEN_SYMBOL, WETH_TOKEN_SYMBOL], token.symbol);