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-rw-r--r--packages/contracts/test/exchange/core.ts39
-rw-r--r--packages/contracts/test/exchange/dispatcher.ts54
2 files changed, 92 insertions, 1 deletions
diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index 3bb71b58f..acb99eed1 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -8,7 +8,10 @@ import { LogWithDecodedArgs } from 'ethereum-types';
import ethUtil = require('ethereumjs-util');
import * as _ from 'lodash';
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
+import {
+ DummyERC20TokenContract,
+ DummyERC20TokenTransferEventArgs,
+} from '../../generated_contract_wrappers/dummy_erc20_token';
import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
import { DummyNoReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_no_return_erc20_token';
import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
@@ -243,6 +246,40 @@ describe('Exchange core', () => {
RevertReason.ValidatorError,
);
});
+
+ it('should not emit transfer events for transfers where from == to', async () => {
+ const txReceipt = await exchangeWrapper.fillOrderAsync(signedOrder, makerAddress);
+ const logs = txReceipt.logs;
+ const transferLogs = _.filter(
+ logs,
+ log => (log as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).event === 'Transfer',
+ );
+ expect(transferLogs.length).to.be.equal(2);
+ expect((transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).address).to.be.equal(
+ zrxToken.address,
+ );
+ expect((transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._from).to.be.equal(
+ makerAddress,
+ );
+ expect((transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._to).to.be.equal(
+ feeRecipientAddress,
+ );
+ expect(
+ (transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._value,
+ ).to.be.bignumber.equal(signedOrder.makerFee);
+ expect((transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).address).to.be.equal(
+ zrxToken.address,
+ );
+ expect((transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._from).to.be.equal(
+ makerAddress,
+ );
+ expect((transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._to).to.be.equal(
+ feeRecipientAddress,
+ );
+ expect(
+ (transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._value,
+ ).to.be.bignumber.equal(signedOrder.takerFee);
+ });
});
describe('Testing exchange of ERC20 tokens with no return values', () => {
diff --git a/packages/contracts/test/exchange/dispatcher.ts b/packages/contracts/test/exchange/dispatcher.ts
index 81871a680..a8ae897a8 100644
--- a/packages/contracts/test/exchange/dispatcher.ts
+++ b/packages/contracts/test/exchange/dispatcher.ts
@@ -205,6 +205,60 @@ describe('AssetProxyDispatcher', () => {
);
});
+ it('should not dispatch a transfer if amount == 0', async () => {
+ // Register ERC20 proxy
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Construct metadata for ERC20 proxy
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
+
+ // Perform a transfer from makerAddress to takerAddress
+ const erc20Balances = await erc20Wrapper.getBalancesAsync();
+ const amount = constants.ZERO_AMOUNT;
+ const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ { from: owner },
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ expect(txReceipt.logs.length).to.be.equal(0);
+ const newBalances = await erc20Wrapper.getBalancesAsync();
+ expect(newBalances).to.deep.equal(erc20Balances);
+ });
+
+ it('should not dispatch a transfer if from == to', async () => {
+ // Register ERC20 proxy
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Construct metadata for ERC20 proxy
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
+
+ // Perform a transfer from makerAddress to takerAddress
+ const erc20Balances = await erc20Wrapper.getBalancesAsync();
+ const amount = new BigNumber(10);
+ const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
+ encodedAssetData,
+ makerAddress,
+ makerAddress,
+ amount,
+ { from: owner },
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ expect(txReceipt.logs.length).to.be.equal(0);
+ const newBalances = await erc20Wrapper.getBalancesAsync();
+ expect(newBalances).to.deep.equal(erc20Balances);
+ });
+
it('should throw if dispatching to unregistered proxy', async () => {
// Construct metadata for ERC20 proxy
const encodedAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);