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authorAmir Bandeali <abandeali1@gmail.com>2018-12-21 02:15:35 +0800
committerGitHub <noreply@github.com>2018-12-21 02:15:35 +0800
commitbc3093e635e7753e897c9d7aa0f9d8dde49d752a (patch)
tree00076dd75e350a3cc0688a4fec5c9bc7212f4c54 /contracts
parent2a9e03b61e02a7a97462e0e97858349187ca9879 (diff)
parentfbfb6eb45e60aa1439162559df16444344322092 (diff)
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Merge pull request #1117 from 0xProject/feature/contracts/orderMatcher
Implement OrderMatcher
Diffstat (limited to 'contracts')
-rw-r--r--contracts/extensions/CHANGELOG.json4
-rw-r--r--contracts/extensions/compiler.json2
-rw-r--r--contracts/extensions/contracts/OrderMatcher/MixinAssets.sol195
-rw-r--r--contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol86
-rw-r--r--contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol38
-rw-r--r--contracts/extensions/contracts/OrderMatcher/interfaces/IAssets.sol43
-rw-r--r--contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol43
-rw-r--r--contracts/extensions/contracts/OrderMatcher/interfaces/IOrderMatcher.sol31
-rw-r--r--contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol56
-rw-r--r--contracts/extensions/contracts/OrderMatcher/mixins/MAssets.sol71
-rw-r--r--contracts/extensions/package.json2
-rw-r--r--contracts/extensions/src/artifacts/index.ts2
-rw-r--r--contracts/extensions/src/wrappers/index.ts1
-rw-r--r--contracts/extensions/test/extensions/forwarder.ts3
-rw-r--r--contracts/extensions/test/extensions/order_matcher.ts818
-rw-r--r--contracts/extensions/tsconfig.json3
-rw-r--r--contracts/test-utils/src/constants.ts1
17 files changed, 1394 insertions, 5 deletions
diff --git a/contracts/extensions/CHANGELOG.json b/contracts/extensions/CHANGELOG.json
index da4d9c2ba..4f2b54988 100644
--- a/contracts/extensions/CHANGELOG.json
+++ b/contracts/extensions/CHANGELOG.json
@@ -5,6 +5,10 @@
{
"note": "Added Balance Threshold Filter",
"pr": 1383
+ },
+ {
+ "note": "Add OrderMatcher",
+ "pr": 1117
}
]
},
diff --git a/contracts/extensions/compiler.json b/contracts/extensions/compiler.json
index e6ed0c215..1e21e6e6a 100644
--- a/contracts/extensions/compiler.json
+++ b/contracts/extensions/compiler.json
@@ -18,5 +18,5 @@
}
}
},
- "contracts": ["BalanceThresholdFilter", "DutchAuction", "Forwarder"]
+ "contracts": ["BalanceThresholdFilter", "DutchAuction", "Forwarder", "OrderMatcher"]
}
diff --git a/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol b/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol
new file mode 100644
index 000000000..323998705
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol
@@ -0,0 +1,195 @@
+/*
+
+ 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 "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol";
+import "@0x/contracts-tokens/contracts/tokens/ERC721Token/IERC721Token.sol";
+import "./mixins/MAssets.sol";
+import "./libs/LibConstants.sol";
+
+
+contract MixinAssets is
+ MAssets,
+ Ownable,
+ LibConstants
+{
+ using LibBytes for bytes;
+
+ /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to
+ /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be
+ /// used to withdraw assets that were accidentally sent to this contract.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to withdraw.
+ function withdrawAsset(
+ bytes assetData,
+ uint256 amount
+ )
+ external
+ onlyOwner
+ {
+ transferAssetToSender(assetData, amount);
+ }
+
+ /// @dev Approves or disapproves an AssetProxy to spend asset.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to approve for respective proxy.
+ function approveAssetProxy(
+ bytes assetData,
+ uint256 amount
+ )
+ external
+ onlyOwner
+ {
+ bytes4 proxyId = assetData.readBytes4(0);
+
+ if (proxyId == ERC20_DATA_ID) {
+ approveERC20Token(assetData, amount);
+ } else if (proxyId == ERC721_DATA_ID) {
+ approveERC721Token(assetData, amount);
+ } else {
+ revert("UNSUPPORTED_ASSET_PROXY");
+ }
+ }
+
+ /// @dev Transfers given amount of asset to sender.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to transfer to sender.
+ function transferAssetToSender(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal
+ {
+ bytes4 proxyId = assetData.readBytes4(0);
+
+ if (proxyId == ERC20_DATA_ID) {
+ transferERC20Token(assetData, amount);
+ } else if (proxyId == ERC721_DATA_ID) {
+ transferERC721Token(assetData, amount);
+ } else {
+ revert("UNSUPPORTED_ASSET_PROXY");
+ }
+ }
+
+ /// @dev Decodes ERC20 assetData and transfers given amount to sender.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to transfer to sender.
+ function transferERC20Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal
+ {
+ // 4 byte id + 12 0 bytes before ABI encoded token address.
+ address token = assetData.readAddress(16);
+
+ // Transfer tokens.
+ // We do a raw call so we can check the success separate
+ // from the return data.
+ bool success = token.call(abi.encodeWithSelector(
+ ERC20_TRANSFER_SELECTOR,
+ msg.sender,
+ amount
+ ));
+ require(
+ success,
+ "TRANSFER_FAILED"
+ );
+
+ // Check return data.
+ // If there is no return data, we assume the token incorrectly
+ // does not return a bool. In this case we expect it to revert
+ // on failure, which was handled above.
+ // If the token does return data, we require that it is a single
+ // value that evaluates to true.
+ assembly {
+ if returndatasize {
+ success := 0
+ if eq(returndatasize, 32) {
+ // First 64 bytes of memory are reserved scratch space
+ returndatacopy(0, 0, 32)
+ success := mload(0)
+ }
+ }
+ }
+ require(
+ success,
+ "TRANSFER_FAILED"
+ );
+ }
+
+ /// @dev Decodes ERC721 assetData and transfers given amount to sender.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to transfer to sender.
+ function transferERC721Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal
+ {
+ require(
+ amount == 1,
+ "INVALID_AMOUNT"
+ );
+ // Decode asset data.
+ // 4 byte id + 12 0 bytes before ABI encoded token address.
+ address token = assetData.readAddress(16);
+ // 4 byte id + 32 byte ABI encoded token address before token id.
+ uint256 tokenId = assetData.readUint256(36);
+
+ // Perform transfer.
+ IERC721Token(token).transferFrom(
+ address(this),
+ msg.sender,
+ tokenId
+ );
+ }
+
+ /// @dev Sets approval for ERC20 AssetProxy.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to approve for respective proxy.
+ function approveERC20Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal
+ {
+ address token = assetData.readAddress(16);
+ require(
+ IERC20Token(token).approve(ERC20_PROXY_ADDRESS, amount),
+ "APPROVAL_FAILED"
+ );
+ }
+
+ /// @dev Sets approval for ERC721 AssetProxy.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to approve for respective proxy.
+ function approveERC721Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal
+ {
+ address token = assetData.readAddress(16);
+ bool approval = amount >= 1;
+ IERC721Token(token).setApprovalForAll(ERC721_PROXY_ADDRESS, approval);
+ }
+}
diff --git a/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol b/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol
new file mode 100644
index 000000000..f75cecdc1
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol
@@ -0,0 +1,86 @@
+/*
+
+ 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;
+pragma experimental ABIEncoderV2;
+
+import "./libs/LibConstants.sol";
+import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+
+
+contract MixinMatchOrders is
+ Ownable,
+ LibConstants
+{
+ /// @dev Match two complementary orders that have a profitable spread.
+ /// Each order is filled at their respective price point. However, the calculations are
+ /// carried out as though the orders are both being filled at the right order's price point.
+ /// The profit made by the left order is then used to fill the right order as much as possible.
+ /// This results in a spread being taken in terms of both assets. The spread is held within this contract.
+ /// @param leftOrder First order to match.
+ /// @param rightOrder Second order to match.
+ /// @param leftSignature Proof that order was created by the left maker.
+ /// @param rightSignature Proof that order was created by the right maker.
+ function matchOrders(
+ LibOrder.Order memory leftOrder,
+ LibOrder.Order memory rightOrder,
+ bytes memory leftSignature,
+ bytes memory rightSignature
+ )
+ public
+ onlyOwner
+ {
+ // Match orders, maximally filling `leftOrder`
+ LibFillResults.MatchedFillResults memory matchedFillResults = EXCHANGE.matchOrders(
+ leftOrder,
+ rightOrder,
+ leftSignature,
+ rightSignature
+ );
+
+ uint256 leftMakerAssetSpreadAmount = matchedFillResults.leftMakerAssetSpreadAmount;
+ uint256 rightOrderTakerAssetAmount = rightOrder.takerAssetAmount;
+
+ // Do not attempt to call `fillOrder` if no spread was taken or `rightOrder` has been completely filled
+ if (leftMakerAssetSpreadAmount == 0 || matchedFillResults.right.takerAssetFilledAmount == rightOrderTakerAssetAmount) {
+ return;
+ }
+
+ // The `assetData` fields of the `rightOrder` could have been null for the `matchOrders` call. We reassign them before calling `fillOrder`.
+ rightOrder.makerAssetData = leftOrder.takerAssetData;
+ rightOrder.takerAssetData = leftOrder.makerAssetData;
+
+ // Query `rightOrder` info to check if it has been completely filled
+ // We need to make this check in case the `rightOrder` was partially filled before the `matchOrders` call
+ LibOrder.OrderInfo memory orderInfo = EXCHANGE.getOrderInfo(rightOrder);
+
+ // Do not attempt to call `fillOrder` if order has been completely filled
+ if (orderInfo.orderTakerAssetFilledAmount == rightOrderTakerAssetAmount) {
+ return;
+ }
+
+ // We do not need to pass in a signature since it was already validated in the `matchOrders` call
+ EXCHANGE.fillOrder(
+ rightOrder,
+ leftMakerAssetSpreadAmount,
+ ""
+ );
+ }
+}
diff --git a/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol b/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol
new file mode 100644
index 000000000..4879b7bca
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol
@@ -0,0 +1,38 @@
+/*
+
+ 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;
+pragma experimental ABIEncoderV2;
+
+import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "./libs/LibConstants.sol";
+import "./MixinMatchOrders.sol";
+import "./MixinAssets.sol";
+
+
+// solhint-disable no-empty-blocks
+contract OrderMatcher is
+ MixinMatchOrders,
+ MixinAssets
+{
+ constructor (address _exchange)
+ public
+ LibConstants(_exchange)
+ Ownable()
+ {}
+}
diff --git a/contracts/extensions/contracts/OrderMatcher/interfaces/IAssets.sol b/contracts/extensions/contracts/OrderMatcher/interfaces/IAssets.sol
new file mode 100644
index 000000000..a0b3aa4c7
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/interfaces/IAssets.sol
@@ -0,0 +1,43 @@
+/*
+
+ 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;
+
+
+contract IAssets {
+
+ /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to
+ /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be
+ /// used to withdraw assets that were accidentally sent to this contract.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to withdraw.
+ function withdrawAsset(
+ bytes assetData,
+ uint256 amount
+ )
+ external;
+
+ /// @dev Approves or disapproves an AssetProxy to spend asset.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to approve for respective proxy.
+ function approveAssetProxy(
+ bytes assetData,
+ uint256 amount
+ )
+ external;
+}
diff --git a/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol b/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol
new file mode 100644
index 000000000..19bcbb326
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol
@@ -0,0 +1,43 @@
+/*
+
+ 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;
+pragma experimental ABIEncoderV2;
+
+import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+
+
+contract IMatchOrders {
+
+ /// @dev Match two complementary orders that have a profitable spread.
+ /// Each order is filled at their respective price point. However, the calculations are
+ /// carried out as though the orders are both being filled at the right order's price point.
+ /// The profit made by the left order is then used to fill the right order as much as possible.
+ /// This results in a spread being taken in terms of both assets. The spread is held within this contract.
+ /// @param leftOrder First order to match.
+ /// @param rightOrder Second order to match.
+ /// @param leftSignature Proof that order was created by the left maker.
+ /// @param rightSignature Proof that order was created by the right maker.
+ function matchOrders(
+ LibOrder.Order memory leftOrder,
+ LibOrder.Order memory rightOrder,
+ bytes memory leftSignature,
+ bytes memory rightSignature
+ )
+ public;
+}
diff --git a/contracts/extensions/contracts/OrderMatcher/interfaces/IOrderMatcher.sol b/contracts/extensions/contracts/OrderMatcher/interfaces/IOrderMatcher.sol
new file mode 100644
index 000000000..9b6ea26d8
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/interfaces/IOrderMatcher.sol
@@ -0,0 +1,31 @@
+/*
+
+ 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 "@0x/contract-utils/contracts/utils/Ownable/IOwnable.sol";
+import "./IMatchOrders.sol";
+import "./IAssets.sol";
+
+
+// solhint-disable no-empty-blocks
+contract IOrderMatcher is
+ IOwnable,
+ IMatchOrders,
+ IAssets
+{}
diff --git a/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol b/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol
new file mode 100644
index 000000000..bd6a5e0ee
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol
@@ -0,0 +1,56 @@
+/*
+
+ 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 "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
+
+
+contract LibConstants {
+
+ // bytes4(keccak256("transfer(address,uint256)"))
+ bytes4 constant internal ERC20_TRANSFER_SELECTOR = 0xa9059cbb;
+ // bytes4(keccak256("ERC20Token(address)"))
+ bytes4 constant internal ERC20_DATA_ID = 0xf47261b0;
+ // bytes4(keccak256("ERC721Token(address,uint256)"))
+ bytes4 constant internal ERC721_DATA_ID = 0x02571792;
+
+ // solhint-disable var-name-mixedcase
+ IExchange internal EXCHANGE;
+ address internal ERC20_PROXY_ADDRESS;
+ address internal ERC721_PROXY_ADDRESS;
+ // solhint-enable var-name-mixedcase
+
+ constructor (address _exchange)
+ public
+ {
+ EXCHANGE = IExchange(_exchange);
+
+ ERC20_PROXY_ADDRESS = EXCHANGE.getAssetProxy(ERC20_DATA_ID);
+ require(
+ ERC20_PROXY_ADDRESS != address(0),
+ "UNREGISTERED_ASSET_PROXY"
+ );
+
+ ERC721_PROXY_ADDRESS = EXCHANGE.getAssetProxy(ERC721_DATA_ID);
+ require(
+ ERC721_PROXY_ADDRESS != address(0),
+ "UNREGISTERED_ASSET_PROXY"
+ );
+ }
+}
diff --git a/contracts/extensions/contracts/OrderMatcher/mixins/MAssets.sol b/contracts/extensions/contracts/OrderMatcher/mixins/MAssets.sol
new file mode 100644
index 000000000..32cfddf1c
--- /dev/null
+++ b/contracts/extensions/contracts/OrderMatcher/mixins/MAssets.sol
@@ -0,0 +1,71 @@
+/*
+
+ 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 "../interfaces/IAssets.sol";
+
+
+contract MAssets is
+ IAssets
+{
+ /// @dev Transfers given amount of asset to sender.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to transfer to sender.
+ function transferAssetToSender(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal;
+
+ /// @dev Decodes ERC20 assetData and transfers given amount to sender.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to transfer to sender.
+ function transferERC20Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal;
+
+ /// @dev Decodes ERC721 assetData and transfers given amount to sender.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to transfer to sender.
+ function transferERC721Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal;
+
+ /// @dev Sets approval for ERC20 AssetProxy.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to approve for respective proxy.
+ function approveERC20Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal;
+
+ /// @dev Sets approval for ERC721 AssetProxy.
+ /// @param assetData Byte array encoded for the respective asset proxy.
+ /// @param amount Amount of asset to approve for respective proxy.
+ function approveERC721Token(
+ bytes memory assetData,
+ uint256 amount
+ )
+ internal;
+}
diff --git a/contracts/extensions/package.json b/contracts/extensions/package.json
index aa5cef462..d0caa030e 100644
--- a/contracts/extensions/package.json
+++ b/contracts/extensions/package.json
@@ -32,7 +32,7 @@
"lint-contracts": "solhint -c ../.solhint.json contracts/**/**/**/**/*.sol"
},
"config": {
- "abis": "generated-artifacts/@(BalanceThresholdFilter|DutchAuction|Forwarder).json"
+ "abis": "generated-artifacts/@(BalanceThresholdFilter|DutchAuction|Forwarder|OrderMatcher).json"
},
"repository": {
"type": "git",
diff --git a/contracts/extensions/src/artifacts/index.ts b/contracts/extensions/src/artifacts/index.ts
index ebf0b8050..a8bd34b4e 100644
--- a/contracts/extensions/src/artifacts/index.ts
+++ b/contracts/extensions/src/artifacts/index.ts
@@ -3,9 +3,11 @@ import { ContractArtifact } from 'ethereum-types';
import * as BalanceThresholdFilter from '../../generated-artifacts/BalanceThresholdFilter.json';
import * as DutchAuction from '../../generated-artifacts/DutchAuction.json';
import * as Forwarder from '../../generated-artifacts/Forwarder.json';
+import * as OrderMatcher from '../../generated-artifacts/OrderMatcher.json';
export const artifacts = {
BalanceThresholdFilter: BalanceThresholdFilter as ContractArtifact,
DutchAuction: DutchAuction as ContractArtifact,
Forwarder: Forwarder as ContractArtifact,
+ OrderMatcher: OrderMatcher as ContractArtifact,
};
diff --git a/contracts/extensions/src/wrappers/index.ts b/contracts/extensions/src/wrappers/index.ts
index 8a8122caa..4d075ee13 100644
--- a/contracts/extensions/src/wrappers/index.ts
+++ b/contracts/extensions/src/wrappers/index.ts
@@ -1,3 +1,4 @@
export * from '../../generated-wrappers/balance_threshold_filter';
export * from '../../generated-wrappers/dutch_auction';
export * from '../../generated-wrappers/forwarder';
+export * from '../../generated-wrappers/order_matcher';
diff --git a/contracts/extensions/test/extensions/forwarder.ts b/contracts/extensions/test/extensions/forwarder.ts
index 4027f493d..69939ed04 100644
--- a/contracts/extensions/test/extensions/forwarder.ts
+++ b/contracts/extensions/test/extensions/forwarder.ts
@@ -48,7 +48,6 @@ describe(ContractName.Forwarder, () => {
let owner: string;
let takerAddress: string;
let feeRecipientAddress: string;
- let otherAddress: string;
let defaultMakerAssetAddress: string;
let zrxAssetData: string;
let wethAssetData: string;
@@ -78,7 +77,7 @@ describe(ContractName.Forwarder, () => {
before(async () => {
await blockchainLifecycle.startAsync();
const accounts = await web3Wrapper.getAvailableAddressesAsync();
- const usedAddresses = ([owner, makerAddress, takerAddress, feeRecipientAddress, otherAddress] = accounts);
+ const usedAddresses = ([owner, makerAddress, takerAddress, feeRecipientAddress] = accounts);
const txHash = await web3Wrapper.sendTransactionAsync({ from: accounts[0], to: accounts[0], value: 0 });
const transaction = await web3Wrapper.getTransactionByHashAsync(txHash);
diff --git a/contracts/extensions/test/extensions/order_matcher.ts b/contracts/extensions/test/extensions/order_matcher.ts
new file mode 100644
index 000000000..acb46ced4
--- /dev/null
+++ b/contracts/extensions/test/extensions/order_matcher.ts
@@ -0,0 +1,818 @@
+import {
+ artifacts as protocolArtifacts,
+ ERC20ProxyContract,
+ ERC20Wrapper,
+ ERC721ProxyContract,
+ ExchangeContract,
+ ExchangeFillEventArgs,
+ ExchangeWrapper,
+} from '@0x/contracts-protocol';
+import {
+ chaiSetup,
+ constants,
+ ERC20BalancesByOwner,
+ expectContractCreationFailedAsync,
+ expectTransactionFailedAsync,
+ LogDecoder,
+ OrderFactory,
+ provider,
+ sendTransactionResult,
+ txDefaults,
+ web3Wrapper,
+} from '@0x/contracts-test-utils';
+import { artifacts as tokenArtifacts, DummyERC20TokenContract, DummyERC721TokenContract } from '@0x/contracts-tokens';
+import { BlockchainLifecycle } from '@0x/dev-utils';
+import { assetDataUtils } from '@0x/order-utils';
+import { RevertReason } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import * as chai from 'chai';
+import { LogWithDecodedArgs } from 'ethereum-types';
+import * as _ from 'lodash';
+
+import { OrderMatcherContract } from '../../generated-wrappers/order_matcher';
+import { artifacts } from '../../src/artifacts';
+
+const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+chaiSetup.configure();
+const expect = chai.expect;
+// tslint:disable:no-unnecessary-type-assertion
+describe('OrderMatcher', () => {
+ let makerAddressLeft: string;
+ let makerAddressRight: string;
+ let owner: string;
+ let takerAddress: string;
+ let feeRecipientAddressLeft: string;
+ let feeRecipientAddressRight: string;
+
+ let erc20TokenA: DummyERC20TokenContract;
+ let erc20TokenB: DummyERC20TokenContract;
+ let zrxToken: DummyERC20TokenContract;
+ let exchange: ExchangeContract;
+ let erc20Proxy: ERC20ProxyContract;
+ let erc721Proxy: ERC721ProxyContract;
+ let orderMatcher: OrderMatcherContract;
+
+ let erc20BalancesByOwner: ERC20BalancesByOwner;
+ let exchangeWrapper: ExchangeWrapper;
+ let erc20Wrapper: ERC20Wrapper;
+ let orderFactoryLeft: OrderFactory;
+ let orderFactoryRight: OrderFactory;
+
+ let leftMakerAssetData: string;
+ let leftTakerAssetData: string;
+ let defaultERC20MakerAssetAddress: string;
+ let defaultERC20TakerAssetAddress: string;
+
+ before(async () => {
+ await blockchainLifecycle.startAsync();
+ });
+ after(async () => {
+ await blockchainLifecycle.revertAsync();
+ });
+ before(async () => {
+ // Create accounts
+ const accounts = await web3Wrapper.getAvailableAddressesAsync();
+ // Hack(albrow): Both Prettier and TSLint insert a trailing comma below
+ // but that is invalid syntax as of TypeScript version >= 2.8. We don't
+ // have the right fine-grained configuration options in TSLint,
+ // Prettier, or TypeScript, to reconcile this, so we will just have to
+ // wait for them to sort it out. We disable TSLint and Prettier for
+ // this part of the code for now. This occurs several times in this
+ // file. See https://github.com/prettier/prettier/issues/4624.
+ // prettier-ignore
+ const usedAddresses = ([
+ owner,
+ makerAddressLeft,
+ makerAddressRight,
+ takerAddress,
+ feeRecipientAddressLeft,
+ // tslint:disable-next-line:trailing-comma
+ feeRecipientAddressRight
+ ] = _.slice(accounts, 0, 6));
+ // Create wrappers
+ erc20Wrapper = new ERC20Wrapper(provider, usedAddresses, owner);
+ // Deploy ERC20 token & ERC20 proxy
+ const numDummyErc20ToDeploy = 3;
+ [erc20TokenA, erc20TokenB, zrxToken] = await erc20Wrapper.deployDummyTokensAsync(
+ numDummyErc20ToDeploy,
+ constants.DUMMY_TOKEN_DECIMALS,
+ );
+ erc20Proxy = await erc20Wrapper.deployProxyAsync();
+ await erc20Wrapper.setBalancesAndAllowancesAsync();
+ // Deploy ERC721 proxy
+ erc721Proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync(
+ protocolArtifacts.ERC721Proxy,
+ provider,
+ txDefaults,
+ );
+ // Depoy exchange
+ exchange = await ExchangeContract.deployFrom0xArtifactAsync(
+ protocolArtifacts.Exchange,
+ provider,
+ txDefaults,
+ assetDataUtils.encodeERC20AssetData(zrxToken.address),
+ );
+ exchangeWrapper = new ExchangeWrapper(exchange, provider);
+ await exchangeWrapper.registerAssetProxyAsync(erc20Proxy.address, owner);
+ await exchangeWrapper.registerAssetProxyAsync(erc721Proxy.address, owner);
+ // Authorize ERC20 trades by exchange
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
+ from: owner,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Deploy OrderMatcher
+ orderMatcher = await OrderMatcherContract.deployFrom0xArtifactAsync(
+ artifacts.OrderMatcher,
+ provider,
+ txDefaults,
+ exchange.address,
+ );
+ // Set default addresses
+ defaultERC20MakerAssetAddress = erc20TokenA.address;
+ defaultERC20TakerAssetAddress = erc20TokenB.address;
+ leftMakerAssetData = assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress);
+ leftTakerAssetData = assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress);
+ // Set OrderMatcher balances and allowances
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await erc20TokenA.setBalance.sendTransactionAsync(orderMatcher.address, constants.INITIAL_ERC20_BALANCE, {
+ from: owner,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await erc20TokenB.setBalance.sendTransactionAsync(orderMatcher.address, constants.INITIAL_ERC20_BALANCE, {
+ from: owner,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.approveAssetProxy.sendTransactionAsync(
+ leftMakerAssetData,
+ constants.INITIAL_ERC20_ALLOWANCE,
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.approveAssetProxy.sendTransactionAsync(
+ leftTakerAssetData,
+ constants.INITIAL_ERC20_ALLOWANCE,
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Create default order parameters
+ const defaultOrderParamsLeft = {
+ ...constants.STATIC_ORDER_PARAMS,
+ makerAddress: makerAddressLeft,
+ exchangeAddress: exchange.address,
+ makerAssetData: leftMakerAssetData,
+ takerAssetData: leftTakerAssetData,
+ feeRecipientAddress: feeRecipientAddressLeft,
+ makerFee: constants.ZERO_AMOUNT,
+ takerFee: constants.ZERO_AMOUNT,
+ };
+ const defaultOrderParamsRight = {
+ ...constants.STATIC_ORDER_PARAMS,
+ makerAddress: makerAddressRight,
+ exchangeAddress: exchange.address,
+ makerAssetData: leftTakerAssetData,
+ takerAssetData: leftMakerAssetData,
+ feeRecipientAddress: feeRecipientAddressRight,
+ makerFee: constants.ZERO_AMOUNT,
+ takerFee: constants.ZERO_AMOUNT,
+ };
+ const privateKeyLeft = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(makerAddressLeft)];
+ orderFactoryLeft = new OrderFactory(privateKeyLeft, defaultOrderParamsLeft);
+ const privateKeyRight = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(makerAddressRight)];
+ orderFactoryRight = new OrderFactory(privateKeyRight, defaultOrderParamsRight);
+ });
+ beforeEach(async () => {
+ await blockchainLifecycle.startAsync();
+ });
+ afterEach(async () => {
+ await blockchainLifecycle.revertAsync();
+ });
+ describe('constructor', () => {
+ it('should revert if assetProxy is unregistered', async () => {
+ const exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
+ protocolArtifacts.Exchange,
+ provider,
+ txDefaults,
+ constants.NULL_BYTES,
+ );
+ return expectContractCreationFailedAsync(
+ (OrderMatcherContract.deployFrom0xArtifactAsync(
+ artifacts.OrderMatcher,
+ provider,
+ txDefaults,
+ exchangeInstance.address,
+ ) as any) as sendTransactionResult,
+ RevertReason.UnregisteredAssetProxy,
+ );
+ });
+ });
+ describe('matchOrders', () => {
+ beforeEach(async () => {
+ erc20BalancesByOwner = await erc20Wrapper.getBalancesAsync();
+ });
+ it('should revert if not called by owner', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+ });
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await expectTransactionFailedAsync(
+ web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: takerAddress,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ RevertReason.OnlyContractOwner,
+ );
+ });
+ it('should transfer the correct amounts when orders completely fill each other', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+ });
+ // Match signedOrderLeft with signedOrderRight
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
+ amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
+ // Right Maker
+ amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
+ amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
+ // Taker
+ leftMakerAssetSpreadAmount: signedOrderLeft.makerAssetAmount.minus(signedOrderRight.takerAssetAmount),
+ };
+ const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const newErc20Balances = await erc20Wrapper.getBalancesAsync();
+ expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByRightMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByRightMaker,
+ ),
+ );
+ expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
+ initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
+ );
+ });
+ it('should transfer the correct amounts when orders completely fill each other and taker doesnt take a profit', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ });
+ // Match signedOrderLeft with signedOrderRight
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
+ amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
+ // Right Maker
+ amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
+ amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
+ };
+ const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const newErc20Balances = await erc20Wrapper.getBalancesAsync();
+ expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByRightMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByRightMaker,
+ ),
+ );
+ expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(initialLeftMakerAssetTakerBalance);
+ });
+ it('should transfer the correct amounts when left order is completely filled and right order would be partially filled', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(20), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
+ });
+ // Match signedOrderLeft with signedOrderRight
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
+ amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
+ // Right Maker
+ amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
+ amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
+ // Taker
+ leftMakerAssetSpreadAmount: signedOrderLeft.makerAssetAmount.minus(signedOrderRight.takerAssetAmount),
+ leftTakerAssetSpreadAmount: signedOrderRight.makerAssetAmount.minus(signedOrderLeft.takerAssetAmount),
+ };
+ const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const initialLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
+ // Match signedOrderLeft with signedOrderRight
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const newLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
+ const newErc20Balances = await erc20Wrapper.getBalancesAsync();
+ expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByRightMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByRightMaker,
+ ),
+ );
+ expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
+ initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
+ );
+ expect(newLeftTakerAssetTakerBalance).to.be.bignumber.equal(
+ initialLeftTakerAssetTakerBalance.plus(expectedTransferAmounts.leftTakerAssetSpreadAmount),
+ );
+ });
+ it('should not call fillOrder when rightOrder is completely filled after matchOrders call and orders were never partially filled', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+ });
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...tokenArtifacts, ...protocolArtifacts });
+ const txReceipt = await logDecoder.getTxWithDecodedLogsAsync(
+ await web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ );
+ const fillLogs = _.filter(
+ txReceipt.logs,
+ log => (log as LogWithDecodedArgs<ExchangeFillEventArgs>).event === 'Fill',
+ );
+ // Only 2 Fill logs should exist for `matchOrders` call. `fillOrder` should not have been called and should not have emitted a Fill event.
+ expect(fillLogs.length).to.be.equal(2);
+ });
+ it('should not call fillOrder when rightOrder is completely filled after matchOrders call and orders were initially partially filled', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+ });
+ await exchangeWrapper.fillOrderAsync(signedOrderLeft, takerAddress, {
+ takerAssetFillAmount: signedOrderLeft.takerAssetAmount.dividedToIntegerBy(5),
+ });
+ await exchangeWrapper.fillOrderAsync(signedOrderRight, takerAddress, {
+ takerAssetFillAmount: signedOrderRight.takerAssetAmount.dividedToIntegerBy(5),
+ });
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...tokenArtifacts, ...protocolArtifacts });
+ const txReceipt = await logDecoder.getTxWithDecodedLogsAsync(
+ await web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ );
+ const fillLogs = _.filter(
+ txReceipt.logs,
+ log => (log as LogWithDecodedArgs<ExchangeFillEventArgs>).event === 'Fill',
+ );
+ // Only 2 Fill logs should exist for `matchOrders` call. `fillOrder` should not have been called and should not have emitted a Fill event.
+ expect(fillLogs.length).to.be.equal(2);
+ });
+ it('should only take a spread in rightMakerAsset if entire leftMakerAssetSpread amount can be used to fill rightOrder after matchOrders call', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(0.9), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(990), 18),
+ });
+ const initialLeftMakerAssetSpreadAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1.09), 18);
+ const leftTakerAssetSpreadAmount = initialLeftMakerAssetSpreadAmount
+ .times(signedOrderRight.makerAssetAmount)
+ .dividedToIntegerBy(signedOrderRight.takerAssetAmount);
+ // Match signedOrderLeft with signedOrderRight
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
+ amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
+ // Right Maker
+ amountSoldByRightMaker: signedOrderLeft.takerAssetAmount.plus(leftTakerAssetSpreadAmount),
+ amountBoughtByRightMaker: signedOrderLeft.makerAssetAmount,
+ // Taker
+ leftMakerAssetSpreadAmount: constants.ZERO_AMOUNT,
+ leftTakerAssetSpreadAmount,
+ };
+ const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const initialLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
+ // Match signedOrderLeft with signedOrderRight
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const newLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
+ const newErc20Balances = await erc20Wrapper.getBalancesAsync();
+ expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByRightMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByRightMaker,
+ ),
+ );
+ expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
+ initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
+ );
+ expect(newLeftTakerAssetTakerBalance).to.be.bignumber.equal(
+ initialLeftTakerAssetTakerBalance.plus(expectedTransferAmounts.leftTakerAssetSpreadAmount),
+ );
+ });
+ it("should succeed if rightOrder's makerAssetData and takerAssetData are not provided", async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(20), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
+ });
+ // Match signedOrderLeft with signedOrderRight
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
+ amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
+ // Right Maker
+ amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
+ amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
+ // Taker
+ leftMakerAssetSpreadAmount: signedOrderLeft.makerAssetAmount.minus(signedOrderRight.takerAssetAmount),
+ leftTakerAssetSpreadAmount: signedOrderRight.makerAssetAmount.minus(signedOrderLeft.takerAssetAmount),
+ };
+ const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const initialLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
+ // Match signedOrderLeft with signedOrderRight
+ signedOrderRight.makerAssetData = constants.NULL_BYTES;
+ signedOrderRight.takerAssetData = constants.NULL_BYTES;
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ const newLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
+ const newErc20Balances = await erc20Wrapper.getBalancesAsync();
+ expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
+ expectedTransferAmounts.amountSoldByRightMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByLeftMaker,
+ ),
+ );
+ expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
+ erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
+ expectedTransferAmounts.amountBoughtByRightMaker,
+ ),
+ );
+ expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
+ initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
+ );
+ expect(newLeftTakerAssetTakerBalance).to.be.bignumber.equal(
+ initialLeftTakerAssetTakerBalance.plus(expectedTransferAmounts.leftTakerAssetSpreadAmount),
+ );
+ });
+ it('should revert with the correct reason if matchOrders call reverts', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ });
+ signedOrderRight.signature = `0xff${signedOrderRight.signature.slice(4)}`;
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await expectTransactionFailedAsync(
+ web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ RevertReason.InvalidOrderSignature,
+ );
+ });
+ it('should revert with the correct reason if fillOrder call reverts', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(20), 18),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
+ });
+ // Matcher will not have enough allowance to fill rightOrder
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.approveAssetProxy.sendTransactionAsync(leftMakerAssetData, constants.ZERO_AMOUNT, {
+ from: owner,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const data = exchange.matchOrders.getABIEncodedTransactionData(
+ signedOrderLeft,
+ signedOrderRight,
+ signedOrderLeft.signature,
+ signedOrderRight.signature,
+ );
+ await expectTransactionFailedAsync(
+ web3Wrapper.sendTransactionAsync({
+ data,
+ to: orderMatcher.address,
+ from: owner,
+ gas: constants.MAX_MATCH_ORDERS_GAS,
+ }),
+ RevertReason.TransferFailed,
+ );
+ });
+ });
+ describe('withdrawAsset', () => {
+ it('should allow owner to withdraw ERC20 tokens', async () => {
+ const erc20AWithdrawAmount = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ expect(erc20AWithdrawAmount).to.be.bignumber.gt(constants.ZERO_AMOUNT);
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.withdrawAsset.sendTransactionAsync(leftMakerAssetData, erc20AWithdrawAmount, {
+ from: owner,
+ }),
+ );
+ const newBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ expect(newBalance).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+ });
+ it('should allow owner to withdraw ERC721 tokens', async () => {
+ const erc721Token = await DummyERC721TokenContract.deployFrom0xArtifactAsync(
+ tokenArtifacts.DummyERC721Token,
+ provider,
+ txDefaults,
+ constants.DUMMY_TOKEN_NAME,
+ constants.DUMMY_TOKEN_SYMBOL,
+ );
+ const tokenId = new BigNumber(1);
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await erc721Token.mint.sendTransactionAsync(orderMatcher.address, tokenId, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const assetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, tokenId);
+ const withdrawAmount = new BigNumber(1);
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.withdrawAsset.sendTransactionAsync(assetData, withdrawAmount, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const erc721Owner = await erc721Token.ownerOf.callAsync(tokenId);
+ expect(erc721Owner).to.be.equal(owner);
+ });
+ it('should revert if not called by owner', async () => {
+ const erc20AWithdrawAmount = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
+ expect(erc20AWithdrawAmount).to.be.bignumber.gt(constants.ZERO_AMOUNT);
+ await expectTransactionFailedAsync(
+ orderMatcher.withdrawAsset.sendTransactionAsync(leftMakerAssetData, erc20AWithdrawAmount, {
+ from: takerAddress,
+ }),
+ RevertReason.OnlyContractOwner,
+ );
+ });
+ });
+ describe('approveAssetProxy', () => {
+ it('should be able to set an allowance for ERC20 tokens', async () => {
+ const allowance = new BigNumber(55465465426546);
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.approveAssetProxy.sendTransactionAsync(leftMakerAssetData, allowance, {
+ from: owner,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const newAllowance = await erc20TokenA.allowance.callAsync(orderMatcher.address, erc20Proxy.address);
+ expect(newAllowance).to.be.bignumber.equal(allowance);
+ });
+ it('should be able to approve an ERC721 token by passing in allowance = 1', async () => {
+ const erc721Token = await DummyERC721TokenContract.deployFrom0xArtifactAsync(
+ tokenArtifacts.DummyERC721Token,
+ provider,
+ txDefaults,
+ constants.DUMMY_TOKEN_NAME,
+ constants.DUMMY_TOKEN_SYMBOL,
+ );
+ const assetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, constants.ZERO_AMOUNT);
+ const allowance = new BigNumber(1);
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.approveAssetProxy.sendTransactionAsync(assetData, allowance, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const isApproved = await erc721Token.isApprovedForAll.callAsync(orderMatcher.address, erc721Proxy.address);
+ expect(isApproved).to.be.equal(true);
+ });
+ it('should be able to approve an ERC721 token by passing in allowance > 1', async () => {
+ const erc721Token = await DummyERC721TokenContract.deployFrom0xArtifactAsync(
+ tokenArtifacts.DummyERC721Token,
+ provider,
+ txDefaults,
+ constants.DUMMY_TOKEN_NAME,
+ constants.DUMMY_TOKEN_SYMBOL,
+ );
+ const assetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, constants.ZERO_AMOUNT);
+ const allowance = new BigNumber(2);
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await orderMatcher.approveAssetProxy.sendTransactionAsync(assetData, allowance, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const isApproved = await erc721Token.isApprovedForAll.callAsync(orderMatcher.address, erc721Proxy.address);
+ expect(isApproved).to.be.equal(true);
+ });
+ it('should revert if not called by owner', async () => {
+ const approval = new BigNumber(1);
+ await expectTransactionFailedAsync(
+ orderMatcher.approveAssetProxy.sendTransactionAsync(leftMakerAssetData, approval, {
+ from: takerAddress,
+ }),
+ RevertReason.OnlyContractOwner,
+ );
+ });
+ });
+});
+// tslint:disable:max-file-line-count
+// tslint:enable:no-unnecessary-type-assertion
diff --git a/contracts/extensions/tsconfig.json b/contracts/extensions/tsconfig.json
index a303e3f5c..506c283aa 100644
--- a/contracts/extensions/tsconfig.json
+++ b/contracts/extensions/tsconfig.json
@@ -9,7 +9,8 @@
"files": [
"./generated-artifacts/BalanceThresholdFilter.json",
"./generated-artifacts/DutchAuction.json",
- "./generated-artifacts/Forwarder.json"
+ "./generated-artifacts/Forwarder.json",
+ "./generated-artifacts/OrderMatcher.json"
],
"exclude": ["./deploy/solc/solc_bin"]
}
diff --git a/contracts/test-utils/src/constants.ts b/contracts/test-utils/src/constants.ts
index d2c3ab512..f631dc81a 100644
--- a/contracts/test-utils/src/constants.ts
+++ b/contracts/test-utils/src/constants.ts
@@ -29,6 +29,7 @@ export const constants = {
MAX_TOKEN_TRANSFERFROM_GAS: 80000,
MAX_TOKEN_APPROVE_GAS: 60000,
MAX_TRANSFER_FROM_GAS: 150000,
+ MAX_MATCH_ORDERS_GAS: 400000,
DUMMY_TOKEN_NAME: '',
DUMMY_TOKEN_SYMBOL: '',
DUMMY_TOKEN_DECIMALS: new BigNumber(18),