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-rw-r--r--packages/contracts/compiler.json1
-rw-r--r--packages/contracts/package.json12
-rw-r--r--packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol70
-rw-r--r--packages/contracts/test/asset_proxy/proxies.ts53
-rw-r--r--packages/contracts/test/utils/artifacts.ts2
5 files changed, 134 insertions, 4 deletions
diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json
index f66114e87..cdf49dcf6 100644
--- a/packages/contracts/compiler.json
+++ b/packages/contracts/compiler.json
@@ -23,6 +23,7 @@
"DummyERC20Token",
"DummyERC721Receiver",
"DummyERC721Token",
+ "DummyMultipleReturnERC20Token",
"DummyNoReturnERC20Token",
"ERC20Proxy",
"ERC20Token",
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index d3351e6cf..283991cee 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -19,11 +19,14 @@
"test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
"test:profiler": "SOLIDITY_PROFILER=true run-s build run_mocha profiler:report:html",
"test:trace": "SOLIDITY_REVERT_TRACE=true run-s build run_mocha",
- "run_mocha": "mocha --require source-map-support/register --require make-promises-safe 'lib/test/**/*.js' --timeout 100000 --bail --exit",
+ "run_mocha":
+ "mocha --require source-map-support/register --require make-promises-safe 'lib/test/**/*.js' --timeout 100000 --bail --exit",
"compile": "sol-compiler --contracts-dir src",
"clean": "shx rm -rf lib generated_contract_wrappers",
- "generate_contract_wrappers": "abi-gen --abis ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated_contract_wrappers --backend ethers",
- "lint": "tslint --project . --exclude **/src/generated_contract_wrappers/**/* --exclude **/lib/**/* && yarn lint-contracts",
+ "generate_contract_wrappers":
+ "abi-gen --abis ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated_contract_wrappers --backend ethers",
+ "lint":
+ "tslint --project . --exclude **/src/generated_contract_wrappers/**/* --exclude **/lib/**/* && yarn lint-contracts",
"coverage:report:text": "istanbul report text",
"coverage:report:html": "istanbul report html && open coverage/index.html",
"profiler:report:html": "istanbul report html && open coverage/index.html",
@@ -32,7 +35,8 @@
"lint-contracts": "solhint src/2.0.0/**/**/**/**/*.sol"
},
"config": {
- "abis": "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyNoReturnERC20Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json"
+ "abis":
+ "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyMultipleReturnERC20Token|DummyNoReturnERC20Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json"
},
"repository": {
"type": "git",
diff --git a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
new file mode 100644
index 000000000..8a8aecae8
--- /dev/null
+++ b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
@@ -0,0 +1,70 @@
+/*
+
+ Copyright 2018 ZeroEx Intl.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+*/
+
+pragma solidity 0.4.24;
+
+import "./DummyERC20Token.sol";
+
+
+// solhint-disable no-empty-blocks
+contract DummyMultipleReturnERC20Token is
+ DummyERC20Token
+{
+
+ constructor (
+ string _name,
+ string _symbol,
+ uint256 _decimals,
+ uint256 _totalSupply
+ )
+ public
+ DummyERC20Token(
+ _name,
+ _symbol,
+ _decimals,
+ _totalSupply
+ )
+ {}
+
+ /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`
+ /// @param _from The address of the sender
+ /// @param _to The address of the recipient
+ /// @param _value The amount of token to be transferred
+ function transferFrom(
+ address _from,
+ address _to,
+ uint256 _value
+ )
+ external
+ returns (bool)
+ {
+ emit Transfer(
+ _from,
+ _to,
+ _value
+ );
+
+ // HACK: This contract will not compile if we remove `returns (bool)`, so we manually return 64 bytes (equiavalent to true, true)
+ assembly {
+ mstore(0, 1)
+ mstore(32, 1)
+ return(0, 64)
+ }
+ }
+}
+
diff --git a/packages/contracts/test/asset_proxy/proxies.ts b/packages/contracts/test/asset_proxy/proxies.ts
index b3cee23c7..4d70031d1 100644
--- a/packages/contracts/test/asset_proxy/proxies.ts
+++ b/packages/contracts/test/asset_proxy/proxies.ts
@@ -8,6 +8,7 @@ import * as _ from 'lodash';
import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
import { DummyERC721ReceiverContract } from '../../generated_contract_wrappers/dummy_erc721_receiver';
import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
+import { DummyMultipleReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_multiple_return_erc20_token';
import { DummyNoReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_no_return_erc20_token';
import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
@@ -44,6 +45,7 @@ describe('Asset Transfer Proxies', () => {
let erc20Proxy: ERC20ProxyContract;
let erc721Proxy: ERC721ProxyContract;
let noReturnErc20Token: DummyNoReturnERC20TokenContract;
+ let multipleReturnErc20Token: DummyMultipleReturnERC20TokenContract;
let erc20Wrapper: ERC20Wrapper;
let erc721Wrapper: ERC721Wrapper;
@@ -114,6 +116,30 @@ describe('Asset Transfer Proxies', () => {
),
constants.AWAIT_TRANSACTION_MINED_MS,
);
+ multipleReturnErc20Token = await DummyMultipleReturnERC20TokenContract.deployFrom0xArtifactAsync(
+ artifacts.DummyMultipleReturnERC20Token,
+ provider,
+ txDefaults,
+ constants.DUMMY_TOKEN_NAME,
+ constants.DUMMY_TOKEN_SYMBOL,
+ constants.DUMMY_TOKEN_DECIMALS,
+ constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await multipleReturnErc20Token.setBalance.sendTransactionAsync(
+ makerAddress,
+ constants.INITIAL_ERC20_BALANCE,
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await multipleReturnErc20Token.approve.sendTransactionAsync(
+ erc20Proxy.address,
+ constants.INITIAL_ERC20_ALLOWANCE,
+ { from: makerAddress },
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
@@ -343,6 +369,33 @@ describe('Asset Transfer Proxies', () => {
const newBalances = await erc20Wrapper.getBalancesAsync();
expect(newBalances).to.deep.equal(erc20Balances);
});
+
+ it('should throw if token returns more than 32 bytes', async () => {
+ // Construct ERC20 asset data
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(multipleReturnErc20Token.address);
+ const amount = new BigNumber(10);
+ const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ );
+ const initialMakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const initialTakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(takerAddress);
+ // Perform a transfer; expect this to fail.
+ await expectTransactionFailedAsync(
+ web3Wrapper.sendTransactionAsync({
+ to: erc20Proxy.address,
+ data,
+ from: exchangeAddress,
+ }),
+ RevertReason.TransferFailed,
+ );
+ const newMakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const newTakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(takerAddress);
+ expect(newMakerBalance).to.be.bignumber.equal(initialMakerBalance);
+ expect(newTakerBalance).to.be.bignumber.equal(initialTakerBalance);
+ });
});
it('should have an id of 0xf47261b0', async () => {
diff --git a/packages/contracts/test/utils/artifacts.ts b/packages/contracts/test/utils/artifacts.ts
index 5ddb5cc7f..53f2a4e4e 100644
--- a/packages/contracts/test/utils/artifacts.ts
+++ b/packages/contracts/test/utils/artifacts.ts
@@ -4,6 +4,7 @@ import * as AssetProxyOwner from '../../artifacts/AssetProxyOwner.json';
import * as DummyERC20Token from '../../artifacts/DummyERC20Token.json';
import * as DummyERC721Receiver from '../../artifacts/DummyERC721Receiver.json';
import * as DummyERC721Token from '../../artifacts/DummyERC721Token.json';
+import * as DummyMultipleReturnERC20Token from '../../artifacts/DummyMultipleReturnERC20Token.json';
import * as DummyNoReturnERC20Token from '../../artifacts/DummyNoReturnERC20Token.json';
import * as ERC20Proxy from '../../artifacts/ERC20Proxy.json';
import * as ERC721Proxy from '../../artifacts/ERC721Proxy.json';
@@ -37,6 +38,7 @@ export const artifacts = {
DummyERC20Token: (DummyERC20Token as any) as ContractArtifact,
DummyERC721Receiver: (DummyERC721Receiver as any) as ContractArtifact,
DummyERC721Token: (DummyERC721Token as any) as ContractArtifact,
+ DummyMultipleReturnERC20Token: (DummyMultipleReturnERC20Token as any) as ContractArtifact,
DummyNoReturnERC20Token: (DummyNoReturnERC20Token as any) as ContractArtifact,
ERC20Proxy: (ERC20Proxy as any) as ContractArtifact,
ERC721Proxy: (ERC721Proxy as any) as ContractArtifact,