Add test for logs decoding in awaitTransactionMinedAsync

test/0x.js_test.ts

@@ -6,6 +6,7 @@ import * as BigNumber from 'bignumber.js';
 import * as Sinon from 'sinon';
 import {ZeroEx, Order} from '../src';
 import {constants} from './utils/constants';
+import {TokenUtils} from './utils/token_utils';
 import {web3Factory} from './utils/web3_factory';
 
 chaiSetup.configure();
@@ -204,4 +205,23 @@ describe('ZeroEx library', () => {
             expect(ecSignature).to.deep.equal(expectedECSignature);
         });
     });
+    describe('#awaitTransactionMinedAsync', () => {
+        it('return transaction receipt with decoded logs', async () => {
+            const availableAddresses = await zeroEx.getAvailableAddressesAsync();
+            const coinbase = availableAddresses[0];
+            const tokens = await zeroEx.tokenRegistry.getTokensAsync();
+            const tokenUtils = new TokenUtils(tokens);
+            const zrxTokenAddress = tokenUtils.getProtocolTokenOrThrow().address;
+            const proxyAddress = await zeroEx.proxy.getContractAddressAsync();
+            const txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(zrxTokenAddress, coinbase);
+            const txReceiptWithDecodedLogs = await zeroEx.awaitTransactionMinedAsync(txHash);
+            const log = txReceiptWithDecodedLogs.logs[0];
+            expect(log.event).to.be.equal('Approval');
+            expect(log.args).to.be.deep.equal({
+                _owner: coinbase,
+                _spender: proxyAddress,
+                _value: zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS.toString(),
+            });
+        });
+    });
 });