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-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/Exchange.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol5
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinTransactions.sol74
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchange.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ITransactions.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IValidator.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWallet.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/libs/LibConstants.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/libs/LibEIP712.sol8
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/libs/LibFillResults.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/libs/LibOrder.sol6
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MMatchOrders.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol2
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MTransactions.sol2
27 files changed, 74 insertions, 70 deletions
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/Exchange.sol b/packages/contracts/src/2.0.0/protocol/Exchange/Exchange.sol
index effff82e0..7507d3da1 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/Exchange.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/Exchange.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "./libs/LibConstants.sol";
@@ -28,6 +28,7 @@ import "./MixinTransactions.sol";
import "./MixinMatchOrders.sol";
+// solhint-disable no-empty-blocks
contract Exchange is
MixinExchangeCore,
MixinMatchOrders,
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
index dcfe9e1de..e9f882194 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "../../utils/Ownable/Ownable.sol";
import "../../utils/LibBytes/LibBytes.sol";
@@ -151,6 +151,7 @@ contract MixinAssetProxyDispatcher is
/////// Setup Data Area ///////
// This area holds `assetData`.
let dataArea := add(cdStart, 132)
+ // solhint-disable-next-line no-empty-blocks
for {} lt(dataArea, cdEnd) {} {
mstore(dataArea, mload(assetData))
dataArea := add(dataArea, 32)
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
index 9e63dc1c0..cf53c3176 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "./libs/LibConstants.sol";
@@ -49,8 +49,6 @@ contract MixinExchangeCore is
// Orders with specified senderAddress and with a salt less than their epoch to are considered cancelled
mapping (address => mapping (address => uint256)) public orderEpoch;
- ////// Core exchange functions //////
-
/// @dev Cancels all orders created by makerAddress with a salt less than or equal to the targetOrderEpoch
/// and senderAddress equal to msg.sender (or null address if msg.sender == makerAddress).
/// @param targetOrderEpoch Orders created with a salt less or equal to this value will be cancelled.
@@ -175,6 +173,7 @@ contract MixinExchangeCore is
}
// Validate order expiration
+ // solhint-disable-next-line not-rely-on-time
if (block.timestamp >= order.expirationTimeSeconds) {
orderInfo.orderStatus = uint8(OrderStatus.EXPIRED);
return orderInfo;
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol
index bfe838837..ba687543a 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol
@@ -11,7 +11,7 @@
limitations under the License.
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "./libs/LibConstants.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol
index 78f13286f..822701459 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "../../utils/LibBytes/LibBytes.sol";
import "./mixins/MSignatureValidator.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinTransactions.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinTransactions.sol
index 3b18ac733..823e14316 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinTransactions.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinTransactions.sol
@@ -15,7 +15,7 @@
limitations under the License.
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "./libs/LibExchangeErrors.sol";
import "./mixins/MSignatureValidator.sol";
@@ -37,7 +37,7 @@ contract MixinTransactions is
address public currentContextAddress;
// Hash for the EIP712 ZeroEx Transaction Schema
- bytes32 constant EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(
+ bytes32 constant internal EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH = keccak256(abi.encodePacked(
"ZeroExTransaction(",
"uint256 salt,",
"address signerAddress,",
@@ -45,41 +45,6 @@ contract MixinTransactions is
")"
));
- /// @dev Calculates EIP712 hash of the Transaction.
- /// @param salt Arbitrary number to ensure uniqueness of transaction hash.
- /// @param signerAddress Address of transaction signer.
- /// @param data AbiV2 encoded calldata.
- /// @return EIP712 hash of the Transaction.
- function hashZeroExTransaction(
- uint256 salt,
- address signerAddress,
- bytes memory data
- )
- internal
- pure
- returns (bytes32 result)
- {
- bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;
- bytes32 dataHash = keccak256(data);
- // Assembly for more efficiently computing:
- // keccak256(abi.encode(
- // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,
- // salt,
- // signerAddress,
- // keccak256(data)
- // ));
- assembly {
- let memPtr := mload(64)
- mstore(memPtr, schemaHash)
- mstore(add(memPtr, 32), salt)
- mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff))
- mstore(add(memPtr, 96), dataHash)
- result := keccak256(memPtr, 128)
- }
-
- return result;
- }
-
/// @dev Executes an exchange method call in the context of signer.
/// @param salt Arbitrary number to ensure uniqueness of transaction hash.
/// @param signerAddress Address of transaction signer.
@@ -139,6 +104,41 @@ contract MixinTransactions is
currentContextAddress = address(0);
}
+ /// @dev Calculates EIP712 hash of the Transaction.
+ /// @param salt Arbitrary number to ensure uniqueness of transaction hash.
+ /// @param signerAddress Address of transaction signer.
+ /// @param data AbiV2 encoded calldata.
+ /// @return EIP712 hash of the Transaction.
+ function hashZeroExTransaction(
+ uint256 salt,
+ address signerAddress,
+ bytes memory data
+ )
+ internal
+ pure
+ returns (bytes32 result)
+ {
+ bytes32 schemaHash = EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH;
+ bytes32 dataHash = keccak256(data);
+ // Assembly for more efficiently computing:
+ // keccak256(abi.encode(
+ // EIP712_ZEROEX_TRANSACTION_SCHEMA_HASH,
+ // salt,
+ // signerAddress,
+ // keccak256(data)
+ // ));
+ assembly {
+ let memPtr := mload(64)
+ mstore(memPtr, schemaHash)
+ mstore(add(memPtr, 32), salt)
+ mstore(add(memPtr, 64), and(signerAddress, 0xffffffffffffffffffffffffffffffffffffffff))
+ mstore(add(memPtr, 96), dataHash)
+ result := keccak256(memPtr, 128)
+ }
+
+ return result;
+ }
+
/// @dev The current function will be called in the context of this address (either 0x transaction signer or `msg.sender`).
/// If calling a fill function, this address will represent the taker.
/// If calling a cancel function, this address will represent the maker.
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
index 678d0252a..a16d2f897 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "./libs/LibMath.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol
index b73881c07..8db8d6f6c 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
contract IAssetProxyDispatcher {
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchange.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchange.sol
index 05e5dedf4..b92abba04 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchange.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchange.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "./IExchangeCore.sol";
@@ -27,6 +27,7 @@ import "./IAssetProxyDispatcher.sol";
import "./IWrapperFunctions.sol";
+// solhint-disable no-empty-blocks
contract IExchange is
IExchangeCore,
IMatchOrders,
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol
index 2b573eb1a..9995e0385 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "../libs/LibOrder.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol
index d44116474..cea5adbbb 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol
@@ -15,7 +15,7 @@
limitations under the License.
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "../libs/LibOrder.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol
index c5a4a57e1..1fd0eccf0 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
contract ISignatureValidator {
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ITransactions.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ITransactions.sol
index aaaee389f..4446c55ce 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ITransactions.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ITransactions.sol
@@ -15,7 +15,7 @@
limitations under the License.
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
contract ITransactions {
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IValidator.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IValidator.sol
index 2c0a5dbe2..2dd69100c 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IValidator.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IValidator.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.23;
+pragma solidity 0.4.24;
contract IValidator {
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWallet.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWallet.sol
index c2db4a5b1..c97161ca6 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWallet.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWallet.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
contract IWallet {
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol
index 04257b883..7c8b12724 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "../libs/LibOrder.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibConstants.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibConstants.sol
index 76200ec44..6918d755e 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibConstants.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibConstants.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
contract LibConstants {
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibEIP712.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibEIP712.sol
index 2bd7b60d4..1fc41dafd 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibEIP712.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibEIP712.sol
@@ -16,18 +16,18 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
contract LibEIP712 {
// EIP191 header for EIP712 prefix
- string constant EIP191_HEADER = "\x19\x01";
+ string constant internal EIP191_HEADER = "\x19\x01";
// EIP712 Domain Name value
- string constant EIP712_DOMAIN_NAME = "0x Protocol";
+ string constant internal EIP712_DOMAIN_NAME = "0x Protocol";
// EIP712 Domain Version value
- string constant EIP712_DOMAIN_VERSION = "2";
+ string constant internal EIP712_DOMAIN_VERSION = "2";
// Hash of the EIP712 Domain Separator Schema
bytes32 public constant EIP712_DOMAIN_SEPARATOR_SCHEMA_HASH = keccak256(abi.encodePacked(
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol
index 99f683e1a..a0f75bc06 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.24;
+// solhint-disable
+pragma solidity 0.4.24;
/// @dev This contract documents the revert reasons used in the Exchange contract.
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibFillResults.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibFillResults.sol
index 35fa9ac0f..1b4181d94 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibFillResults.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibFillResults.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "../../../utils/SafeMath/SafeMath.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
index 9da784854..46c13d390 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "../../../utils/SafeMath/SafeMath.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibOrder.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibOrder.sol
index dda581d9f..2ea864a5a 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibOrder.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibOrder.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "./LibEIP712.sol";
@@ -26,7 +26,7 @@ contract LibOrder is
{
// Hash for the EIP712 Order Schema
- bytes32 constant EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(
+ bytes32 constant internal EIP712_ORDER_SCHEMA_HASH = keccak256(abi.encodePacked(
"Order(",
"address makerAddress,",
"address takerAddress,",
@@ -55,6 +55,7 @@ contract LibOrder is
CANCELLED // Order has been cancelled
}
+ // solhint-disable max-line-length
struct Order {
address makerAddress; // Address that created the order.
address takerAddress; // Address that is allowed to fill the order. If set to 0, any address is allowed to fill the order.
@@ -69,6 +70,7 @@ contract LibOrder is
bytes makerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring makerAsset. The last byte references the id of this proxy.
bytes takerAssetData; // Encoded data that can be decoded by a specified proxy contract when transferring takerAsset. The last byte references the id of this proxy.
}
+ // solhint-enable max-line-length
struct OrderInfo {
uint8 orderStatus; // Status that describes order's validity and fillability.
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
index 367b37e80..9207dfdc2 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "../interfaces/IAssetProxyDispatcher.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol
index e28d9d25b..9e3b5a2e2 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "../libs/LibOrder.sol";
@@ -102,7 +102,6 @@ contract MExchangeCore is
internal
view;
-
/// @dev Validates context for cancelOrder. Succeeds or throws.
/// @param order to be cancelled.
/// @param orderInfo OrderStatus, orderHash, and amount already filled of order.
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MMatchOrders.sol b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MMatchOrders.sol
index 289514b24..a31ec1585 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MMatchOrders.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MMatchOrders.sol
@@ -15,7 +15,7 @@
limitations under the License.
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
pragma experimental ABIEncoderV2;
import "../libs/LibOrder.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol
index 83650b4aa..f14f2ba00 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "../interfaces/ISignatureValidator.sol";
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MTransactions.sol b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MTransactions.sol
index a9fa6d4e2..f2b5e4b16 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MTransactions.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MTransactions.sol
@@ -15,7 +15,7 @@
limitations under the License.
*/
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
import "../interfaces/ITransactions.sol";