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authorAmir Bandeali <abandeali1@gmail.com>2018-05-03 05:14:17 +0800
committerAmir Bandeali <abandeali1@gmail.com>2018-05-03 06:23:05 +0800
commitc84be8ddb350d17575e4bb6824fc195e590419fa (patch)
tree919bf3d5c11d73829b6f6ae191ff417baf4d42be /packages/contracts/src
parent853b5e1b72733c5dee862a62b549a6c784aeb4eb (diff)
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Update contracts with revert reasons and constructor keyword
Diffstat (limited to 'packages/contracts/src')
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol6
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol6
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol2
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol24
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol25
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/Exchange.sol4
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/ISigner.sol2
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/LibErrors.sol35
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/LibExchangeErrors.sol59
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/LibFillResults.sol6
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/LibMath.sol6
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/LibOrder.sol2
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol28
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/MixinExchangeCore.sol63
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/MixinSettlement.sol4
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/MixinSignatureValidator.sol81
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/MixinTransactions.sol17
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/MixinWrapperFunctions.sol33
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol3
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/mixins/MExchangeCore.sol2
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSettlement.sol4
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSignatureValidator.sol2
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/mixins/MTransactions.sol6
-rw-r--r--packages/contracts/src/contracts/current/test/DummyERC20Token/DummyERC20Token.sol5
-rw-r--r--packages/contracts/src/contracts/current/test/DummyERC721Token/DummyERC721Token.sol11
-rw-r--r--packages/contracts/src/contracts/current/test/Mintable/Mintable.sol8
-rw-r--r--packages/contracts/src/contracts/current/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol3
-rw-r--r--packages/contracts/src/contracts/current/test/TestLibs/TestLibs.sol2
-rw-r--r--packages/contracts/src/contracts/current/test/TestSignatureValidator/TestSignatureValidator.sol2
-rw-r--r--packages/contracts/src/contracts/current/tokens/ERC20Token/ERC20Token.sol25
-rw-r--r--packages/contracts/src/contracts/current/tokens/ERC20Token/IERC20Token.sol13
-rw-r--r--packages/contracts/src/contracts/current/tokens/ERC721Token/ERC721Token.sol2
-rw-r--r--packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Receiver.sol2
-rw-r--r--packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Token.sol2
-rw-r--r--packages/contracts/src/contracts/current/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol18
-rw-r--r--packages/contracts/src/contracts/current/utils/Authorizable/Authorizable.sol28
-rw-r--r--packages/contracts/src/contracts/current/utils/Authorizable/IAuthorizable.sol9
-rw-r--r--packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol23
-rw-r--r--packages/contracts/src/contracts/current/utils/Ownable/IOwnable.sol3
-rw-r--r--packages/contracts/src/contracts/current/utils/Ownable/Ownable.sol10
-rw-r--r--packages/contracts/src/contracts/current/utils/SafeMath/SafeMath.sol3
41 files changed, 409 insertions, 180 deletions
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol
index df993a0ab..7675d684b 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/IAssetProxy.sol
@@ -16,12 +16,14 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../../utils/Authorizable/IAuthorizable.sol";
-contract IAssetProxy is IAuthorizable {
+contract IAssetProxy is
+ IAuthorizable
+{
/// @dev Transfers assets. Either succeeds or throws.
/// @param assetMetadata Byte array encoded for the respective asset proxy.
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol
index 23dce6a8b..b96c84582 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "./mixins/MAssetProxy.sol";
@@ -25,8 +25,8 @@ import "../../utils/Authorizable/Authorizable.sol";
contract MixinAssetProxy is
IAssetProxy,
- MAssetProxy,
- Authorizable
+ Authorizable,
+ MAssetProxy
{
/// @dev Transfers assets. Either succeeds or throws.
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol
index 8e9b3bc65..d1276a61c 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
contract MAssetProxy {
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol
index 713e8a6e6..7e9b41f33 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC20Proxy.sol
@@ -16,10 +16,9 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
-
import "../../../utils/LibBytes/LibBytes.sol";
import "../../../tokens/ERC20Token/IERC20Token.sol";
import "../MixinAssetProxy.sol";
@@ -29,8 +28,14 @@ contract ERC20Proxy is
MixinAssetProxy
{
+ // Id of this proxy.
uint8 constant PROXY_ID = 1;
+ // Revert reasons
+ string constant INVALID_METADATA_LENGTH = "Metadata must have a length of 21.";
+ string constant TRANSFER_FAILED = "Transfer failed.";
+ string constant PROXY_ID_MISMATCH = "Proxy id in metadata does not match this proxy id.";
+
/// @dev Internal version of `transferFrom`.
/// @param assetMetadata Encoded byte array.
/// @param from Address to transfer asset from.
@@ -44,15 +49,24 @@ contract ERC20Proxy is
internal
{
// Data must be intended for this proxy.
- require(uint8(assetMetadata[0]) == PROXY_ID);
+ require(
+ uint8(assetMetadata[0]) == PROXY_ID,
+ PROXY_ID_MISMATCH
+ );
// Decode metadata.
- require(assetMetadata.length == 21);
+ require(
+ assetMetadata.length == 21,
+ INVALID_METADATA_LENGTH
+ );
address token = readAddress(assetMetadata, 1);
// Transfer tokens.
bool success = IERC20Token(token).transferFrom(from, to, amount);
- require(success == true);
+ require(
+ success == true,
+ TRANSFER_FAILED
+ );
}
/// @dev Gets the proxy id associated with the proxy address.
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol
index 6a4475d48..4d52893b0 100644
--- a/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol
+++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/proxies/ERC721Proxy.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../../../utils/LibBytes/LibBytes.sol";
@@ -28,8 +28,14 @@ contract ERC721Proxy is
MixinAssetProxy
{
+ // Id of this proxy.
uint8 constant PROXY_ID = 2;
+ // Revert reasons
+ string constant INVALID_TRANSFER_AMOUNT = "Transfer amount must equal 1.";
+ string constant INVALID_METADATA_LENGTH = "Metadata must have a length of 53.";
+ string constant PROXY_ID_MISMATCH = "Proxy id in metadata does not match this proxy id.";
+
/// @dev Internal version of `transferFrom`.
/// @param assetMetadata Encoded byte array.
/// @param from Address to transfer asset from.
@@ -43,13 +49,22 @@ contract ERC721Proxy is
internal
{
// Data must be intended for this proxy.
- require(uint8(assetMetadata[0]) == PROXY_ID);
+ require(
+ uint8(assetMetadata[0]) == PROXY_ID,
+ PROXY_ID_MISMATCH
+ );
// There exists only 1 of each token.
- require(amount == 1);
+ require(
+ amount == 1,
+ INVALID_TRANSFER_AMOUNT
+ );
- // Decode metadata.
- require(assetMetadata.length == 53);
+ // Decode metadata
+ require(
+ assetMetadata.length == 53,
+ INVALID_METADATA_LENGTH
+ );
address token = readAddress(assetMetadata, 1);
uint256 tokenId = readUint256(assetMetadata, 21);
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/Exchange.sol b/packages/contracts/src/contracts/current/protocol/Exchange/Exchange.sol
index e78446b99..85e2bc47e 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/Exchange.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/Exchange.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "./MixinExchangeCore.sol";
@@ -36,7 +36,7 @@ contract Exchange is
{
string constant public VERSION = "2.0.1-alpha";
- function Exchange(bytes memory _zrxProxyData)
+ constructor (bytes memory _zrxProxyData)
public
MixinExchangeCore()
MixinSignatureValidator()
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/ISigner.sol b/packages/contracts/src/contracts/current/protocol/Exchange/ISigner.sol
index d5641a09f..d604a1aec 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/ISigner.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/ISigner.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
contract ISigner {
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/LibErrors.sol b/packages/contracts/src/contracts/current/protocol/Exchange/LibErrors.sol
deleted file mode 100644
index 55160ad5b..000000000
--- a/packages/contracts/src/contracts/current/protocol/Exchange/LibErrors.sol
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
-
- 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 ^0.4.21;
-pragma experimental ABIEncoderV2;
-
-contract LibErrors {
-
- // Error Codes
- enum Errors {
- ORDER_EXPIRED, // Order has already expired
- ORDER_FULLY_FILLED, // Order has already been fully filled
- ORDER_CANCELLED, // Order has already been cancelled
- ROUNDING_ERROR_TOO_LARGE, // Rounding error too large
- INSUFFICIENT_BALANCE_OR_ALLOWANCE // Insufficient balance or allowance for token transfer
- }
-
- event ExchangeError(uint8 indexed errorId, bytes32 indexed orderHash);
-
-}
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/LibExchangeErrors.sol b/packages/contracts/src/contracts/current/protocol/Exchange/LibExchangeErrors.sol
new file mode 100644
index 000000000..cbd6cac29
--- /dev/null
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/LibExchangeErrors.sol
@@ -0,0 +1,59 @@
+/*
+
+ 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 ^0.4.23;
+pragma experimental ABIEncoderV2;
+
+contract LibExchangeErrors {
+
+ // Error Codes
+ enum Errors {
+ ORDER_EXPIRED, // Order has already expired
+ ORDER_FULLY_FILLED, // Order has already been fully filled
+ ORDER_CANCELLED, // Order has already been cancelled
+ ROUNDING_ERROR_TOO_LARGE, // Rounding error too large
+ INSUFFICIENT_BALANCE_OR_ALLOWANCE // Insufficient balance or allowance for token transfer
+ }
+
+ event ExchangeError(uint8 indexed errorId, bytes32 indexed orderHash);
+
+ // Core revert reasons
+ string constant GREATER_THAN_ZERO_AMOUNT_REQUIRED = "Amount must be greater than 0.";
+ string constant SIGNATURE_VALIDATION_FAILED = "Signature validation failed.";
+ string constant INVALID_SENDER = "Invalid `msg.sender`.";
+ string constant INVALID_CONTEXT = "Function called in an invalid context.";
+ string constant INVALID_NEW_MAKER_EPOCH = "Specified salt must be greater than or equal to existing makerEpoch.";
+
+ // Transaction revert reasons
+ string constant DUPLICATE_TRANSACTION_HASH = "Transaction has already been executed.";
+ string constant TRANSACTION_EXECUTION_FAILED = "Transaction execution failed.";
+
+ // Wrapper revert reasons
+ string constant COMPLETE_FILL_FAILED = "Desired fill amount could not be completely filled.";
+ string constant ASSET_DATA_MISMATCH = "Asset data must be the same for each order.";
+
+ // Asset proxy dispatcher revert reasons
+ string constant GREATER_THAN_ZERO_LENGTH_REQUIRED = "Length must be greater than 0.";
+ string constant OLD_ASSET_PROXY_MISMATCH = "Old asset proxy does not match asset proxy at given id.";
+ string constant NEW_ASSET_PROXY_MISMATCH = "New asset proxy id does not match given id.";
+
+ // Signature validator revert reasons
+ string constant INVALID_SIGNATURE_LENGTH = "Invalid signature length.";
+ string constant ILLEGAL_SIGNATURE_TYPE = "Illegal signature type.";
+ string constant UNSUPPORTED_SIGNATURE_TYPE = "Unsupported signature type.";
+}
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/LibFillResults.sol b/packages/contracts/src/contracts/current/protocol/Exchange/LibFillResults.sol
index 41096f448..e26da2bce 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/LibFillResults.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/LibFillResults.sol
@@ -16,12 +16,14 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../../utils/SafeMath/SafeMath.sol";
-contract LibFillResults is SafeMath {
+contract LibFillResults is
+ SafeMath
+{
struct FillResults {
uint256 makerAssetFilledAmount;
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/LibMath.sol b/packages/contracts/src/contracts/current/protocol/Exchange/LibMath.sol
index 3b553ebbc..761c300a1 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/LibMath.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/LibMath.sol
@@ -16,12 +16,14 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../../utils/SafeMath/SafeMath.sol";
-contract LibMath is SafeMath {
+contract LibMath is
+ SafeMath
+{
/// @dev Calculates partial value given a numerator and denominator.
/// @param numerator Numerator.
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/LibOrder.sol b/packages/contracts/src/contracts/current/protocol/Exchange/LibOrder.sol
index df974e177..32554f45b 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/LibOrder.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/LibOrder.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
contract LibOrder {
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol
index b73c6ca90..eb423ad28 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol
@@ -16,13 +16,16 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
import "../../utils/Ownable/Ownable.sol";
import "../AssetProxy/IAssetProxy.sol";
+import "./LibExchangeErrors.sol";
import "./mixins/MAssetProxyDispatcher.sol";
contract MixinAssetProxyDispatcher is
+ LibExchangeErrors,
Ownable,
MAssetProxyDispatcher
{
@@ -43,8 +46,11 @@ contract MixinAssetProxyDispatcher is
{
// Do nothing if no amount should be transferred.
if (amount > 0) {
- // Lookup asset proxy.
- require(assetMetadata.length >= 1);
+ // Lookup asset proxy
+ require(
+ assetMetadata.length >= 1,
+ GREATER_THAN_ZERO_LENGTH_REQUIRED
+ );
uint8 assetProxyId = uint8(assetMetadata[0]);
IAssetProxy assetProxy = assetProxies[assetProxyId];
@@ -65,15 +71,21 @@ contract MixinAssetProxyDispatcher is
external
onlyOwner
{
- // Ensure the existing asset proxy is not unintentionally overwritten.
- require(oldAssetProxy == address(assetProxies[assetProxyId]));
+ // Ensure the existing asset proxy is not unintentionally overwritten
+ require(
+ oldAssetProxy == address(assetProxies[assetProxyId]),
+ OLD_ASSET_PROXY_MISMATCH
+ );
IAssetProxy assetProxy = IAssetProxy(newAssetProxy);
// Ensure that the id of newAssetProxy matches the passed in assetProxyId, unless it is being reset to 0.
if (newAssetProxy != address(0)) {
uint8 newAssetProxyId = assetProxy.getProxyId();
- require(newAssetProxyId == assetProxyId);
+ require(
+ newAssetProxyId == assetProxyId,
+ NEW_ASSET_PROXY_MISMATCH
+ );
}
// Add asset proxy and log registration.
@@ -89,7 +101,7 @@ contract MixinAssetProxyDispatcher is
view
returns (address)
{
- IAssetProxy assetProxy = assetProxies[assetProxyId];
- return address(assetProxy);
+ address assetProxy = address(assetProxies[assetProxyId]);
+ return assetProxy;
}
}
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinExchangeCore.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinExchangeCore.sol
index 4ca271b2a..d764d7a4f 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinExchangeCore.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinExchangeCore.sol
@@ -16,13 +16,13 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "./LibFillResults.sol";
import "./LibOrder.sol";
-import "./LibErrors.sol";
import "./LibMath.sol";
+import "./LibExchangeErrors.sol";
import "./mixins/MExchangeCore.sol";
import "./mixins/MSettlement.sol";
import "./mixins/MSignatureValidator.sol";
@@ -34,8 +34,8 @@ import "./mixins/MTransactions.sol";
contract MixinExchangeCore is
LibOrder,
LibFillResults,
- LibErrors,
LibMath,
+ LibExchangeErrors,
MExchangeCore,
MSettlement,
MSignatureValidator,
@@ -111,22 +111,40 @@ contract MixinExchangeCore is
// Validate order and maker only if first time seen
// TODO: Read filled and cancelled only once
if (filled[orderHash] == 0) {
- require(order.makerAssetAmount > 0);
- require(order.takerAssetAmount > 0);
- require(isValidSignature(orderHash, order.makerAddress, signature));
+ require(
+ order.makerAssetAmount > 0,
+ GREATER_THAN_ZERO_AMOUNT_REQUIRED
+ );
+ require(
+ order.takerAssetAmount > 0,
+ GREATER_THAN_ZERO_AMOUNT_REQUIRED
+ );
+ require(
+ isValidSignature(orderHash, order.makerAddress, signature),
+ SIGNATURE_VALIDATION_FAILED
+ );
}
// Validate sender is allowed to fill this order
if (order.senderAddress != address(0)) {
- require(order.senderAddress == msg.sender);
+ require(
+ order.senderAddress == msg.sender,
+ INVALID_SENDER
+ );
}
// Validate taker is allowed to fill this order
address takerAddress = getCurrentContextAddress();
if (order.takerAddress != address(0)) {
- require(order.takerAddress == takerAddress);
+ require(
+ order.takerAddress == takerAddress,
+ INVALID_CONTEXT
+ );
}
- require(takerAssetFillAmount > 0);
+ require(
+ takerAssetFillAmount > 0,
+ GREATER_THAN_ZERO_AMOUNT_REQUIRED
+ );
// Validate order expiration
if (block.timestamp >= order.expirationTimeSeconds) {
@@ -173,17 +191,29 @@ contract MixinExchangeCore is
bytes32 orderHash = getOrderHash(order);
// Validate the order
- require(order.makerAssetAmount > 0);
- require(order.takerAssetAmount > 0);
+ require(
+ order.makerAssetAmount > 0,
+ GREATER_THAN_ZERO_AMOUNT_REQUIRED
+ );
+ require(
+ order.takerAssetAmount > 0,
+ GREATER_THAN_ZERO_AMOUNT_REQUIRED
+ );
// Validate sender is allowed to cancel this order
if (order.senderAddress != address(0)) {
- require(order.senderAddress == msg.sender);
+ require(
+ order.senderAddress == msg.sender,
+ INVALID_SENDER
+ );
}
// Validate transaction signed by maker
address makerAddress = getCurrentContextAddress();
- require(order.makerAddress == makerAddress);
+ require(
+ order.makerAddress == makerAddress,
+ INVALID_CONTEXT
+ );
if (block.timestamp >= order.expirationTimeSeconds) {
emit ExchangeError(uint8(Errors.ORDER_EXPIRED), orderHash);
@@ -211,8 +241,11 @@ contract MixinExchangeCore is
function cancelOrdersUpTo(uint256 salt)
external
{
- uint256 newMakerEpoch = salt + 1; // makerEpoch is initialized to 0, so to cancelUpTo we need salt+1
- require(newMakerEpoch > makerEpoch[msg.sender]); // epoch must be monotonically increasing
+ uint256 newMakerEpoch = salt + 1; // makerEpoch is initialized to 0, so to cancelUpTo we need salt + 1
+ require(
+ newMakerEpoch > makerEpoch[msg.sender], // epoch must be monotonically increasing
+ INVALID_NEW_MAKER_EPOCH
+ );
makerEpoch[msg.sender] = newMakerEpoch;
emit CancelUpTo(msg.sender, newMakerEpoch);
}
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinSettlement.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinSettlement.sol
index cab2ccfb6..3e805aa8e 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinSettlement.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinSettlement.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "./mixins/MSettlement.sol";
@@ -41,7 +41,7 @@ contract MixinSettlement is
return ZRX_PROXY_DATA;
}
- function MixinSettlement(bytes memory _zrxProxyData)
+ constructor (bytes memory _zrxProxyData)
public
{
ZRX_PROXY_DATA = _zrxProxyData;
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinSignatureValidator.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinSignatureValidator.sol
index 690a70820..3091adcaf 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinSignatureValidator.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinSignatureValidator.sol
@@ -16,15 +16,20 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "./mixins/MSignatureValidator.sol";
import "./ISigner.sol";
+import "./LibExchangeErrors.sol";
+import "../../utils/LibBytes/LibBytes.sol";
/// @dev Provides MSignatureValidator
-contract MixinSignatureValidator is MSignatureValidator {
-
+contract MixinSignatureValidator is
+ LibBytes,
+ LibExchangeErrors,
+ MSignatureValidator
+{
enum SignatureType {
Illegal, // Default value
Invalid,
@@ -54,7 +59,10 @@ contract MixinSignatureValidator is MSignatureValidator {
{
// TODO: Domain separation: make hash depend on role. (Taker sig should not be valid as maker sig, etc.)
- require(signature.length >= 1);
+ require(
+ signature.length >= 1,
+ INVALID_SIGNATURE_LENGTH
+ );
SignatureType signatureType = SignatureType(uint8(signature[0]));
// Variables are not scoped in Solidity
@@ -69,14 +77,18 @@ contract MixinSignatureValidator is MSignatureValidator {
// it an explicit option. This aids testing and analysis. It is
// also the initialization value for the enum type.
if (signatureType == SignatureType.Illegal) {
- revert();
+ // NOTE: Reason cannot be assigned to a variable because of https://github.com/ethereum/solidity/issues/4051
+ revert("Illegal signature type.");
// Always invalid signature
// Like Illegal, this is always implicitly available and therefore
// offered explicitly. It can be implicitly created by providing
// a correctly formatted but incorrect signature.
} else if (signatureType == SignatureType.Invalid) {
- require(signature.length == 1);
+ require(
+ signature.length == 1,
+ INVALID_SIGNATURE_LENGTH
+ );
isValid = false;
return isValid;
@@ -89,16 +101,22 @@ contract MixinSignatureValidator is MSignatureValidator {
// `Caller` for his own signature. Or A and C can sign and B can
// submit using `Caller`. Having `Caller` allows this flexibility.
} else if (signatureType == SignatureType.Caller) {
- require(signature.length == 1);
+ require(
+ signature.length == 1,
+ INVALID_SIGNATURE_LENGTH
+ );
isValid = signer == msg.sender;
return isValid;
// Signed using web3.eth_sign
} else if (signatureType == SignatureType.Ecrecover) {
- require(signature.length == 66);
+ require(
+ signature.length == 66,
+ INVALID_SIGNATURE_LENGTH
+ );
v = uint8(signature[1]);
- r = get32(signature, 2);
- s = get32(signature, 34);
+ r = readBytes32(signature, 2);
+ s = readBytes32(signature, 34);
recovered = ecrecover(
keccak256("\x19Ethereum Signed Message:\n32", hash),
v,
@@ -110,10 +128,13 @@ contract MixinSignatureValidator is MSignatureValidator {
// Signature using EIP712
} else if (signatureType == SignatureType.EIP712) {
- require(signature.length == 66);
+ require(
+ signature.length == 66,
+ INVALID_SIGNATURE_LENGTH
+ );
v = uint8(signature[1]);
- r = get32(signature, 2);
- s = get32(signature, 34);
+ r = readBytes32(signature, 2);
+ s = readBytes32(signature, 34);
recovered = ecrecover(hash, v, r, s);
isValid = signer == recovered;
return isValid;
@@ -127,10 +148,13 @@ contract MixinSignatureValidator is MSignatureValidator {
// https://github.com/trezor/trezor-mcu/blob/master/firmware/ethereum.c#L602
// https://github.com/trezor/trezor-mcu/blob/master/firmware/crypto.c#L36
} else if (signatureType == SignatureType.Trezor) {
- require(signature.length == 66);
+ require(
+ signature.length == 66,
+ INVALID_SIGNATURE_LENGTH
+ );
v = uint8(signature[1]);
- r = get32(signature, 2);
- s = get32(signature, 34);
+ r = readBytes32(signature, 2);
+ s = readBytes32(signature, 34);
recovered = ecrecover(
keccak256("\x19Ethereum Signed Message:\n\x41", hash),
v,
@@ -156,7 +180,8 @@ contract MixinSignatureValidator is MSignatureValidator {
// that we currently support. In this case returning false
// may lead the caller to incorrectly believe that the
// signature was invalid.)
- revert();
+ // NOTE: Reason cannot be assigned to a variable because of https://github.com/ethereum/solidity/issues/4051
+ revert("Unsupported signature type.");
}
/// @dev Approves a hash on-chain using any valid signature type.
@@ -169,24 +194,10 @@ contract MixinSignatureValidator is MSignatureValidator {
bytes signature)
external
{
- require(isValidSignature(hash, signer, signature));
+ require(
+ isValidSignature(hash, signer, signature),
+ SIGNATURE_VALIDATION_FAILED
+ );
preSigned[hash][signer] = true;
}
-
- function get32(bytes memory b, uint256 index)
- private pure
- returns (bytes32 result)
- {
- require(b.length >= index + 32);
-
- // Arrays are prefixed by a 256 bit length parameter
- index += 32;
-
- // Read the bytes32 from array memory
- assembly {
- result := mload(add(b, index))
- }
- return result;
- }
-
}
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinTransactions.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinTransactions.sol
index 9edb1694f..670d454d6 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinTransactions.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinTransactions.sol
@@ -20,8 +20,10 @@ pragma experimental ABIEncoderV2;
import "./mixins/MSignatureValidator.sol";
import "./mixins/MTransactions.sol";
+import "./LibExchangeErrors.sol";
contract MixinTransactions is
+ LibExchangeErrors,
MSignatureValidator,
MTransactions
{
@@ -56,12 +58,18 @@ contract MixinTransactions is
);
// Validate transaction has not been executed
- require(!transactions[transactionHash]);
+ require(
+ !transactions[transactionHash],
+ DUPLICATE_TRANSACTION_HASH
+ );
// TODO: is SignatureType.Caller necessary if we make this check?
if (signer != msg.sender) {
// Validate signature
- require(isValidSignature(transactionHash, signer, signature));
+ require(
+ isValidSignature(transactionHash, signer, signature),
+ SIGNATURE_VALIDATION_FAILED
+ );
// Set the current transaction signer
currentContextAddress = signer;
@@ -69,7 +77,10 @@ contract MixinTransactions is
// Execute transaction
transactions[transactionHash] = true;
- require(address(this).delegatecall(data));
+ require(
+ address(this).delegatecall(data),
+ TRANSACTION_EXECUTION_FAILED
+ );
// Reset current transaction signer
// TODO: Check if gas is paid when currentContextAddress is already 0.
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinWrapperFunctions.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinWrapperFunctions.sol
index 105c0f0a0..0cfcf0c25 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinWrapperFunctions.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinWrapperFunctions.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../../utils/LibBytes/LibBytes.sol";
@@ -24,6 +24,7 @@ import "./mixins/MExchangeCore.sol";
import "./LibMath.sol";
import "./LibOrder.sol";
import "./LibFillResults.sol";
+import "./LibExchangeErrors.sol";
/// @dev Consumes MExchangeCore
contract MixinWrapperFunctions is
@@ -31,6 +32,7 @@ contract MixinWrapperFunctions is
LibFillResults,
LibMath,
LibBytes,
+ LibExchangeErrors,
MExchangeCore
{
/// @dev Fills the input order. Reverts if exact takerAssetFillAmount not filled.
@@ -49,7 +51,10 @@ contract MixinWrapperFunctions is
takerAssetFillAmount,
signature
);
- require(fillResults.takerAssetFilledAmount == takerAssetFillAmount);
+ require(
+ fillResults.takerAssetFilledAmount == takerAssetFillAmount,
+ COMPLETE_FILL_FAILED
+ );
return fillResults;
}
@@ -327,7 +332,11 @@ contract MixinWrapperFunctions is
for (uint256 i = 0; i < orders.length; i++) {
// Token being sold by taker must be the same for each order
- require(areBytesEqual(orders[i].takerAssetData, orders[0].takerAssetData));
+ // TODO: optimize by only using takerAssetData for first order.
+ require(
+ areBytesEqual(orders[i].takerAssetData, orders[0].takerAssetData),
+ ASSET_DATA_MISMATCH
+ );
// Calculate the remaining amount of takerAsset to sell
uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);
@@ -366,7 +375,11 @@ contract MixinWrapperFunctions is
for (uint256 i = 0; i < orders.length; i++) {
// Token being sold by taker must be the same for each order
- require(areBytesEqual(orders[i].takerAssetData, orders[0].takerAssetData));
+ // TODO: optimize by only using takerAssetData for first order.
+ require(
+ areBytesEqual(orders[i].takerAssetData, orders[0].takerAssetData),
+ ASSET_DATA_MISMATCH
+ );
// Calculate the remaining amount of takerAsset to sell
uint256 remainingTakerAssetFillAmount = safeSub(takerAssetFillAmount, totalFillResults.takerAssetFilledAmount);
@@ -404,7 +417,11 @@ contract MixinWrapperFunctions is
for (uint256 i = 0; i < orders.length; i++) {
// Token being bought by taker must be the same for each order
- require(areBytesEqual(orders[i].makerAssetData, orders[0].makerAssetData));
+ // TODO: optimize by only using makerAssetData for first order.
+ require(
+ areBytesEqual(orders[i].makerAssetData, orders[0].makerAssetData),
+ ASSET_DATA_MISMATCH
+ );
// Calculate the remaining amount of makerAsset to buy
uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);
@@ -451,7 +468,11 @@ contract MixinWrapperFunctions is
for (uint256 i = 0; i < orders.length; i++) {
// Token being bought by taker must be the same for each order
- require(areBytesEqual(orders[i].makerAssetData, orders[0].makerAssetData));
+ // TODO: optimize by only using makerAssetData for first order.
+ require(
+ areBytesEqual(orders[i].makerAssetData, orders[0].makerAssetData),
+ ASSET_DATA_MISMATCH
+ );
// Calculate the remaining amount of makerAsset to buy
uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount);
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
index 0cf750d7d..df2250cd9 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
contract MAssetProxyDispatcher {
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MExchangeCore.sol b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MExchangeCore.sol
index 656df079e..6bd8fd9b6 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MExchangeCore.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MExchangeCore.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../LibOrder.sol";
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSettlement.sol b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSettlement.sol
index 0d7e59a9a..9cb2afeb0 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSettlement.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSettlement.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../LibOrder.sol";
@@ -33,5 +33,5 @@ contract MSettlement {
uint256 makerFeePaid,
uint256 takerFeePaid
);
-
}
+
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSignatureValidator.sol b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSignatureValidator.sol
index 043a7da9c..2b8ae78dd 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSignatureValidator.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MSignatureValidator.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
contract MSignatureValidator {
diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MTransactions.sol b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MTransactions.sol
index 10bfcb035..3d167c0bc 100644
--- a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MTransactions.sol
+++ b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MTransactions.sol
@@ -15,12 +15,10 @@
limitations under the License.
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
-import "./MSignatureValidator.sol";
-
-contract MTransactions is MSignatureValidator {
+contract MTransactions {
/// @dev Executes an exchange method call in the context of signer.
/// @param salt Arbitrary number to ensure uniqueness of transaction hash.
diff --git a/packages/contracts/src/contracts/current/test/DummyERC20Token/DummyERC20Token.sol b/packages/contracts/src/contracts/current/test/DummyERC20Token/DummyERC20Token.sol
index 2626399c2..ab5311e0c 100644
--- a/packages/contracts/src/contracts/current/test/DummyERC20Token/DummyERC20Token.sol
+++ b/packages/contracts/src/contracts/current/test/DummyERC20Token/DummyERC20Token.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
import "../Mintable/Mintable.sol";
import "../../utils/Ownable/Ownable.sol";
@@ -26,7 +27,7 @@ contract DummyERC20Token is Mintable, Ownable {
string public symbol;
uint256 public decimals;
- function DummyERC20Token(
+ constructor (
string _name,
string _symbol,
uint256 _decimals,
diff --git a/packages/contracts/src/contracts/current/test/DummyERC721Token/DummyERC721Token.sol b/packages/contracts/src/contracts/current/test/DummyERC721Token/DummyERC721Token.sol
index 4fbaa6b74..22ebbd3c1 100644
--- a/packages/contracts/src/contracts/current/test/DummyERC721Token/DummyERC721Token.sol
+++ b/packages/contracts/src/contracts/current/test/DummyERC721Token/DummyERC721Token.sol
@@ -16,7 +16,9 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
+
import "../../tokens/ERC721Token/ERC721Token.sol";
import "../../utils/Ownable/Ownable.sol";
@@ -30,7 +32,7 @@ contract DummyERC721Token is
* @param name of token
* @param symbol of token
*/
- function DummyERC721Token(
+ constructor (
string name,
string symbol)
public
@@ -47,7 +49,10 @@ contract DummyERC721Token is
public
onlyOwner
{
- require(!exists(tokenId));
+ require(
+ !exists(tokenId),
+ "Token with tokenId already exists."
+ );
_mint(to, tokenId);
}
}
diff --git a/packages/contracts/src/contracts/current/test/Mintable/Mintable.sol b/packages/contracts/src/contracts/current/test/Mintable/Mintable.sol
index 305737b72..fd944f244 100644
--- a/packages/contracts/src/contracts/current/test/Mintable/Mintable.sol
+++ b/packages/contracts/src/contracts/current/test/Mintable/Mintable.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
import "../../tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol";
import "../../utils/SafeMath/SafeMath.sol";
@@ -29,7 +30,10 @@ contract Mintable is UnlimitedAllowanceToken, SafeMath {
function mint(uint256 _value)
public
{
- require(_value <= 100000000000000000000);
+ require(
+ _value <= 100000000000000000000,
+ "Minting more than 100000000000000000000 is not allowed."
+ );
balances[msg.sender] = safeAdd(_value, balances[msg.sender]);
totalSupply = safeAdd(totalSupply, _value);
}
diff --git a/packages/contracts/src/contracts/current/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol b/packages/contracts/src/contracts/current/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol
index 8206b84bd..93ec3cef3 100644
--- a/packages/contracts/src/contracts/current/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol
+++ b/packages/contracts/src/contracts/current/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
import "../../protocol/Exchange/MixinAssetProxyDispatcher.sol";
diff --git a/packages/contracts/src/contracts/current/test/TestLibs/TestLibs.sol b/packages/contracts/src/contracts/current/test/TestLibs/TestLibs.sol
index a5b327a90..5a16ae947 100644
--- a/packages/contracts/src/contracts/current/test/TestLibs/TestLibs.sol
+++ b/packages/contracts/src/contracts/current/test/TestLibs/TestLibs.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../../protocol/Exchange/LibMath.sol";
diff --git a/packages/contracts/src/contracts/current/test/TestSignatureValidator/TestSignatureValidator.sol b/packages/contracts/src/contracts/current/test/TestSignatureValidator/TestSignatureValidator.sol
index 4ba04b64e..20202cd7b 100644
--- a/packages/contracts/src/contracts/current/test/TestSignatureValidator/TestSignatureValidator.sol
+++ b/packages/contracts/src/contracts/current/test/TestSignatureValidator/TestSignatureValidator.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../../protocol/Exchange/MixinSignatureValidator.sol";
diff --git a/packages/contracts/src/contracts/current/tokens/ERC20Token/ERC20Token.sol b/packages/contracts/src/contracts/current/tokens/ERC20Token/ERC20Token.sol
index 13ceeb2c6..27e7fa355 100644
--- a/packages/contracts/src/contracts/current/tokens/ERC20Token/ERC20Token.sol
+++ b/packages/contracts/src/contracts/current/tokens/ERC20Token/ERC20Token.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
import "./IERC20Token.sol";
@@ -26,7 +27,14 @@ contract ERC20Token is IERC20Token {
public
returns (bool)
{
- require(balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]);
+ require(
+ balances[msg.sender] >= _value,
+ "Insufficient balance to complete transfer."
+ );
+ require(
+ balances[_to] + _value >= balances[_to],
+ "Transfer would result in an overflow."
+ );
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
@@ -37,7 +45,18 @@ contract ERC20Token is IERC20Token {
public
returns (bool)
{
- require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]);
+ require(
+ balances[_from] >= _value,
+ "Insufficient balance to complete transfer."
+ );
+ require(
+ allowed[_from][msg.sender] >= _value,
+ "Insufficient allowance to complete transfer."
+ );
+ require(
+ balances[_to] + _value >= balances[_to],
+ "Transfer would result in an overflow."
+ );
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
diff --git a/packages/contracts/src/contracts/current/tokens/ERC20Token/IERC20Token.sol b/packages/contracts/src/contracts/current/tokens/ERC20Token/IERC20Token.sol
index 0159b31e8..537f5a83d 100644
--- a/packages/contracts/src/contracts/current/tokens/ERC20Token/IERC20Token.sol
+++ b/packages/contracts/src/contracts/current/tokens/ERC20Token/IERC20Token.sol
@@ -16,11 +16,12 @@
*/
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
contract IERC20Token {
- /// @notice send `_value` token to `_to` from `msg.sender`
+ /// @notice send `value` token to `to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
@@ -28,7 +29,7 @@ contract IERC20Token {
public
returns (bool);
- /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
+ /// @notice 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
@@ -61,10 +62,12 @@ contract IERC20Token {
event Transfer(
address indexed _from,
address indexed _to,
- uint256 _value);
+ uint256 _value
+ );
event Approval(
address indexed _owner,
address indexed _spender,
- uint256 _value);
+ uint256 _value
+ );
}
diff --git a/packages/contracts/src/contracts/current/tokens/ERC721Token/ERC721Token.sol b/packages/contracts/src/contracts/current/tokens/ERC721Token/ERC721Token.sol
index 3bf064c3f..b3493bc99 100644
--- a/packages/contracts/src/contracts/current/tokens/ERC721Token/ERC721Token.sol
+++ b/packages/contracts/src/contracts/current/tokens/ERC721Token/ERC721Token.sol
@@ -23,7 +23,7 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
import "./IERC721Token.sol";
import "./IERC721Receiver.sol";
diff --git a/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Receiver.sol b/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Receiver.sol
index 26871cc89..3484bf824 100644
--- a/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Receiver.sol
+++ b/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Receiver.sol
@@ -23,7 +23,7 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
/**
* @title ERC721 token receiver interface
diff --git a/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Token.sol b/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Token.sol
index 73741ed53..81e1b97af 100644
--- a/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Token.sol
+++ b/packages/contracts/src/contracts/current/tokens/ERC721Token/IERC721Token.sol
@@ -23,7 +23,7 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
/**
* @title ERC721 Non-Fungible Token Standard basic interface
diff --git a/packages/contracts/src/contracts/current/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol b/packages/contracts/src/contracts/current/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol
index be774e374..4aedced49 100644
--- a/packages/contracts/src/contracts/current/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol
+++ b/packages/contracts/src/contracts/current/tokens/UnlimitedAllowanceToken/UnlimitedAllowanceToken.sol
@@ -16,9 +16,10 @@
*/
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
-import { ERC20Token } from "../ERC20Token/ERC20Token.sol";
+import "../ERC20Token/ERC20Token.sol";
contract UnlimitedAllowanceToken is ERC20Token {
@@ -34,7 +35,18 @@ contract UnlimitedAllowanceToken is ERC20Token {
returns (bool)
{
uint256 allowance = allowed[_from][msg.sender];
- require(balances[_from] >= _value && allowance >= _value && balances[_to] + _value >= balances[_to]);
+ require(
+ balances[_from] >= _value,
+ "Insufficient balance to complete transfer."
+ );
+ require(
+ allowance >= _value,
+ "Insufficient allowance to complete transfer."
+ );
+ require(
+ balances[_to] + _value >= balances[_to],
+ "Transfer would result in an overflow."
+ );
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT) {
diff --git a/packages/contracts/src/contracts/current/utils/Authorizable/Authorizable.sol b/packages/contracts/src/contracts/current/utils/Authorizable/Authorizable.sol
index f6032f889..6b84d7aca 100644
--- a/packages/contracts/src/contracts/current/utils/Authorizable/Authorizable.sol
+++ b/packages/contracts/src/contracts/current/utils/Authorizable/Authorizable.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
import "./IAuthorizable.sol";
import "../Ownable/Ownable.sol";
@@ -28,17 +29,26 @@ contract Authorizable is
/// @dev Only authorized addresses can invoke functions with this modifier.
modifier onlyAuthorized {
- require(authorized[msg.sender]);
+ require(
+ authorized[msg.sender],
+ "Sender not authorized to call this method."
+ );
_;
}
modifier targetAuthorized(address target) {
- require(authorized[target]);
+ require(
+ authorized[target],
+ "Target address not authorized to call this method."
+ );
_;
}
modifier targetNotAuthorized(address target) {
- require(!authorized[target]);
+ require(
+ !authorized[target],
+ "Target must not already be authorized to call this method."
+ );
_;
}
@@ -85,8 +95,14 @@ contract Authorizable is
function removeAuthorizedAddressAtIndex(address target, uint256 index)
public
{
- require(index < authorities.length);
- require(authorities[index] == target);
+ require(
+ index < authorities.length,
+ "Specified index is out of bounds."
+ );
+ require(
+ authorities[index] == target,
+ "Address found at index does not match target address."
+ );
delete authorized[target];
authorities[index] = authorities[authorities.length - 1];
authorities.length -= 1;
diff --git a/packages/contracts/src/contracts/current/utils/Authorizable/IAuthorizable.sol b/packages/contracts/src/contracts/current/utils/Authorizable/IAuthorizable.sol
index 10c01c6fe..b14cfba22 100644
--- a/packages/contracts/src/contracts/current/utils/Authorizable/IAuthorizable.sol
+++ b/packages/contracts/src/contracts/current/utils/Authorizable/IAuthorizable.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
contract IAuthorizable {
@@ -44,9 +45,11 @@ contract IAuthorizable {
event AuthorizedAddressAdded(
address indexed target,
- address indexed caller);
+ address indexed caller
+ );
event AuthorizedAddressRemoved(
address indexed target,
- address indexed caller);
+ address indexed caller
+ );
}
diff --git a/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol b/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol
index ce107f306..cff780ba4 100644
--- a/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol
+++ b/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol
@@ -16,7 +16,8 @@
*/
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
contract LibBytes {
@@ -61,7 +62,10 @@ contract LibBytes {
public pure
returns (address result)
{
- require(b.length >= index + 20); // 20 is length of address
+ require(
+ b.length >= index + 20, // 20 is length of address
+ "Cannot read address from byte array shorter than 20 bytes."
+ );
// Add offset to index:
// 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)
@@ -88,7 +92,10 @@ contract LibBytes {
address input)
public pure
{
- require(b.length >= index + 20); // 20 is length of address
+ require(
+ b.length >= index + 20, // 20 is length of address
+ "Cannot write address to byte array shorter than 20 bytes."
+ );
// Add offset to index:
// 1. Arrays are prefixed by 32-byte length parameter (add 32 to index)
@@ -122,7 +129,10 @@ contract LibBytes {
public pure
returns (bytes32 result)
{
- require(b.length >= index + 32);
+ require(
+ b.length >= index + 32,
+ "Cannot read 32 bytes from byte array shorter than 32 bytes."
+ );
// Arrays are prefixed by a 256 bit length parameter
index += 32;
@@ -144,7 +154,10 @@ contract LibBytes {
bytes32 input)
public pure
{
- require(b.length >= index + 32);
+ require(
+ b.length >= index + 32,
+ "Cannot write 32 bytes to byte array shorter than 32 bytes."
+ );
// Arrays are prefixed by a 256 bit length parameter
index += 32;
diff --git a/packages/contracts/src/contracts/current/utils/Ownable/IOwnable.sol b/packages/contracts/src/contracts/current/utils/Ownable/IOwnable.sol
index 7784a7ba9..63b04945f 100644
--- a/packages/contracts/src/contracts/current/utils/Ownable/IOwnable.sol
+++ b/packages/contracts/src/contracts/current/utils/Ownable/IOwnable.sol
@@ -1,4 +1,5 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
/*
* Ownable
diff --git a/packages/contracts/src/contracts/current/utils/Ownable/Ownable.sol b/packages/contracts/src/contracts/current/utils/Ownable/Ownable.sol
index 91a5cb7ae..e9b4d6a3b 100644
--- a/packages/contracts/src/contracts/current/utils/Ownable/Ownable.sol
+++ b/packages/contracts/src/contracts/current/utils/Ownable/Ownable.sol
@@ -1,4 +1,5 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
/*
* Ownable
@@ -12,14 +13,17 @@ import "../Ownable/IOwnable.sol";
contract Ownable is IOwnable {
address public owner;
- function Ownable()
+ constructor ()
public
{
owner = msg.sender;
}
modifier onlyOwner() {
- require(msg.sender == owner);
+ require(
+ msg.sender == owner,
+ "Only contract owner is allowed to call this method."
+ );
_;
}
diff --git a/packages/contracts/src/contracts/current/utils/SafeMath/SafeMath.sol b/packages/contracts/src/contracts/current/utils/SafeMath/SafeMath.sol
index 7bd9c2122..1ab27eebc 100644
--- a/packages/contracts/src/contracts/current/utils/SafeMath/SafeMath.sol
+++ b/packages/contracts/src/contracts/current/utils/SafeMath/SafeMath.sol
@@ -1,4 +1,5 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
+pragma experimental ABIEncoderV2;
contract SafeMath {
function safeMul(uint a, uint b)