Unfix compiler version except for top level contracts

12 files changed, 12 insertions, 12 deletions

diff --git a/contracts/interfaces/contracts/protocol/AssetProxy/IAssetData.sol b/contracts/interfaces/contracts/protocol/AssetProxy/IAssetData.sol
index e2da68919..a130e615f 100644
--- a/contracts/interfaces/contracts/protocol/AssetProxy/IAssetData.sol
+++ b/contracts/interfaces/contracts/protocol/AssetProxy/IAssetData.sol
@@ -17,7 +17,7 @@
 */
 
 // solhint-disable
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
 
diff --git a/contracts/interfaces/contracts/protocol/AssetProxy/IAssetProxy.sol b/contracts/interfaces/contracts/protocol/AssetProxy/IAssetProxy.sol
index b25d2d75a..706412dd0 100644
--- a/contracts/interfaces/contracts/protocol/AssetProxy/IAssetProxy.sol
+++ b/contracts/interfaces/contracts/protocol/AssetProxy/IAssetProxy.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 
 import "./IAuthorizable.sol";
 
diff --git a/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol b/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol
index 96ee05dee..202173998 100644
--- a/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol
+++ b/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 
 import "@0x/contracts-utils/contracts/utils/Ownable/IOwnable.sol";
 
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IAssetProxyDispatcher.sol b/contracts/interfaces/contracts/protocol/Exchange/IAssetProxyDispatcher.sol
index 8db8d6f6c..b73881c07 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IAssetProxyDispatcher.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IAssetProxyDispatcher.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 
 
 contract IAssetProxyDispatcher {
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IExchange.sol b/contracts/interfaces/contracts/protocol/Exchange/IExchange.sol
index b92abba04..866e4c194 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IExchange.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IExchange.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "./IExchangeCore.sol";
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol b/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol
index 0da73529c..ab4a62408 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol b/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol
index b88e158c3..5df46ea80 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol
@@ -15,7 +15,7 @@
   limitations under the License.
 
 */
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
diff --git a/contracts/interfaces/contracts/protocol/Exchange/ISignatureValidator.sol b/contracts/interfaces/contracts/protocol/Exchange/ISignatureValidator.sol
index 1fd0eccf0..c5a4a57e1 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/ISignatureValidator.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/ISignatureValidator.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 
 
 contract ISignatureValidator {
diff --git a/contracts/interfaces/contracts/protocol/Exchange/ITransactions.sol b/contracts/interfaces/contracts/protocol/Exchange/ITransactions.sol
index 4446c55ce..aaaee389f 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/ITransactions.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/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/contracts/interfaces/contracts/protocol/Exchange/IValidator.sol b/contracts/interfaces/contracts/protocol/Exchange/IValidator.sol
index 2dd69100c..d214e54dd 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IValidator.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IValidator.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 
 
 contract IValidator {
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IWallet.sol b/contracts/interfaces/contracts/protocol/Exchange/IWallet.sol
index c97161ca6..c2db4a5b1 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IWallet.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IWallet.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 
 
 contract IWallet {
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol b/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol
index 833bb7e88..0eeaa874b 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol
@@ -16,7 +16,7 @@
 
 */
 
-pragma solidity 0.4.24;
+pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-libs/contracts/libs/LibOrder.sol";