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-rw-r--r--packages/contracts/compiler.json1
-rw-r--r--packages/contracts/package.json15
-rw-r--r--packages/contracts/src/2.0.0/protocol/AssetProxy/ERC20Proxy.sol68
-rw-r--r--packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol49
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol4
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol45
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol16
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol82
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol5
-rw-r--r--packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol70
-rw-r--r--packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol7
-rw-r--r--packages/contracts/src/2.0.0/test/TestAssetProxyOwner/TestAssetProxyOwner.sol23
-rw-r--r--packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol36
-rw-r--r--packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol7
-rw-r--r--packages/contracts/test/asset_proxy/authorizable.ts4
-rw-r--r--packages/contracts/test/asset_proxy/proxies.ts237
-rw-r--r--packages/contracts/test/exchange/core.ts39
-rw-r--r--packages/contracts/test/exchange/dispatcher.ts54
-rw-r--r--packages/contracts/test/exchange/internal.ts201
-rw-r--r--packages/contracts/test/exchange/match_orders.ts314
-rw-r--r--packages/contracts/test/exchange/signature_validator.ts14
-rw-r--r--packages/contracts/test/libraries/lib_bytes.ts95
-rw-r--r--packages/contracts/test/multisig/asset_proxy_owner.ts45
-rw-r--r--packages/contracts/test/tokens/unlimited_allowance_token.ts8
-rw-r--r--packages/contracts/test/utils/artifacts.ts2
-rw-r--r--packages/contracts/test/utils/assertions.ts17
-rw-r--r--packages/contracts/test/utils/constants.ts1
-rw-r--r--packages/contracts/test/utils/web3_wrapper.ts4
-rw-r--r--packages/contracts/tsconfig.json6
31 files changed, 1189 insertions, 286 deletions
diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json
index f66114e87..cdf49dcf6 100644
--- a/packages/contracts/compiler.json
+++ b/packages/contracts/compiler.json
@@ -23,6 +23,7 @@
"DummyERC20Token",
"DummyERC721Receiver",
"DummyERC721Token",
+ "DummyMultipleReturnERC20Token",
"DummyNoReturnERC20Token",
"ERC20Proxy",
"ERC20Token",
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 5d2f290ac..283991cee 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -11,8 +11,7 @@
"test": "test"
},
"scripts": {
- "watch_without_deps": "yarn pre_build && tsc -w",
- "build": "yarn pre_build && tsc",
+ "build": "yarn pre_build && tsc -b",
"pre_build": "run-s compile copy_artifacts generate_contract_wrappers",
"copy_artifacts": "copyfiles -u 4 '../migrations/artifacts/2.0.0/**/*' ./lib/artifacts;",
"test": "yarn run_mocha",
@@ -20,11 +19,14 @@
"test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
"test:profiler": "SOLIDITY_PROFILER=true run-s build run_mocha profiler:report:html",
"test:trace": "SOLIDITY_REVERT_TRACE=true run-s build run_mocha",
- "run_mocha": "mocha --require source-map-support/register --require make-promises-safe 'lib/test/**/*.js' --timeout 100000 --bail --exit",
+ "run_mocha":
+ "mocha --require source-map-support/register --require make-promises-safe 'lib/test/**/*.js' --timeout 100000 --bail --exit",
"compile": "sol-compiler --contracts-dir src",
"clean": "shx rm -rf lib generated_contract_wrappers",
- "generate_contract_wrappers": "abi-gen --abis ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated_contract_wrappers --backend ethers",
- "lint": "tslint --project . --exclude **/src/generated_contract_wrappers/**/* --exclude **/lib/**/* && yarn lint-contracts",
+ "generate_contract_wrappers":
+ "abi-gen --abis ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated_contract_wrappers --backend ethers",
+ "lint":
+ "tslint --project . --exclude **/src/generated_contract_wrappers/**/* --exclude **/lib/**/* && yarn lint-contracts",
"coverage:report:text": "istanbul report text",
"coverage:report:html": "istanbul report html && open coverage/index.html",
"profiler:report:html": "istanbul report html && open coverage/index.html",
@@ -33,7 +35,8 @@
"lint-contracts": "solhint src/2.0.0/**/**/**/**/*.sol"
},
"config": {
- "abis": "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyNoReturnERC20Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json"
+ "abis":
+ "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyMultipleReturnERC20Token|DummyNoReturnERC20Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json"
},
"repository": {
"type": "git",
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC20Proxy.sol b/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC20Proxy.sol
index 004c3892d..258443bca 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC20Proxy.sol
+++ b/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC20Proxy.sol
@@ -18,7 +18,6 @@
pragma solidity 0.4.24;
-import "../../utils/LibBytes/LibBytes.sol";
import "./MixinAuthorizable.sol";
@@ -59,15 +58,64 @@ contract ERC20Proxy is
mstore(96, 0)
revert(0, 100)
}
-
- /////// Token contract address ///////
- // The token address is found as follows:
- // * It is stored at offset 4 in `assetData` contents.
- // * This is stored at offset 32 from `assetData`.
- // * The offset to `assetData` from Params is stored at offset
- // 4 in calldata.
- // * The offset of Params in calldata is 4.
- // So we read location 4 and add 32 + 4 + 4 to it.
+
+ // `transferFrom`.
+ // The function is marked `external`, so no abi decodeding is done for
+ // us. Instead, we expect the `calldata` memory to contain the
+ // following:
+ //
+ // | Area | Offset | Length | Contents |
+ // |----------|--------|---------|-------------------------------------|
+ // | Header | 0 | 4 | function selector |
+ // | Params | | 4 * 32 | function parameters: |
+ // | | 4 | | 1. offset to assetData (*) |
+ // | | 36 | | 2. from |
+ // | | 68 | | 3. to |
+ // | | 100 | | 4. amount |
+ // | Data | | | assetData: |
+ // | | 132 | 32 | assetData Length |
+ // | | 164 | ** | assetData Contents |
+ //
+ // (*): offset is computed from start of function parameters, so offset
+ // by an additional 4 bytes in the calldata.
+ //
+ // (**): see table below to compute length of assetData Contents
+ //
+ // WARNING: The ABIv2 specification allows additional padding between
+ // the Params and Data section. This will result in a larger
+ // offset to assetData.
+
+ // Asset data itself is encoded as follows:
+ //
+ // | Area | Offset | Length | Contents |
+ // |----------|--------|---------|-------------------------------------|
+ // | Header | 0 | 4 | function selector |
+ // | Params | | 1 * 32 | function parameters: |
+ // | | 4 | 12 + 20 | 1. token address |
+
+ // We construct calldata for the `token.transferFrom` ABI.
+ // The layout of this calldata is in the table below.
+ //
+ // | Area | Offset | Length | Contents |
+ // |----------|--------|---------|-------------------------------------|
+ // | Header | 0 | 4 | function selector |
+ // | Params | | 3 * 32 | function parameters: |
+ // | | 4 | | 1. from |
+ // | | 36 | | 2. to |
+ // | | 68 | | 3. amount |
+
+ /////// Read token address from calldata ///////
+ // * The token address is stored in `assetData`.
+ //
+ // * The "offset to assetData" is stored at offset 4 in the calldata (table 1).
+ // [assetDataOffsetFromParams = calldataload(4)]
+ //
+ // * Notes that the "offset to assetData" is relative to the "Params" area of calldata;
+ // add 4 bytes to account for the length of the "Header" area (table 1).
+ // [assetDataOffsetFromHeader = assetDataOffsetFromParams + 4]
+ //
+ // * The "token address" is offset 32+4=36 bytes into "assetData" (tables 1 & 2).
+ // [tokenOffset = assetDataOffsetFromHeader + 36 = calldataload(4) + 4 + 36]
let token := calldataload(add(calldataload(4), 40))
/////// Setup Header Area ///////
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol b/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol
index 9d0bc0f74..65b664b8b 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol
+++ b/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol
@@ -18,7 +18,6 @@
pragma solidity 0.4.24;
-import "../../utils/LibBytes/LibBytes.sol";
import "./MixinAuthorizable.sol";
@@ -80,6 +79,8 @@ contract ERC721Proxy is
// (*): offset is computed from start of function parameters, so offset
// by an additional 4 bytes in the calldata.
//
+ // (**): see table below to compute length of assetData Contents
+ //
// WARNING: The ABIv2 specification allows additional padding between
// the Params and Data section. This will result in a larger
// offset to assetData.
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol b/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol
index 8b7333646..4d00e92d3 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol
+++ b/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol
@@ -16,15 +16,18 @@
*/
-pragma solidity 0.4.10;
+pragma solidity 0.4.24;
import "../../multisig/MultiSigWalletWithTimeLock.sol";
+import "../../utils/LibBytes/LibBytes.sol";
contract AssetProxyOwner is
MultiSigWalletWithTimeLock
{
+ using LibBytes for bytes;
+
event AssetProxyRegistration(address assetProxyContract, bool isRegistered);
// Mapping of AssetProxy contract address =>
@@ -37,8 +40,14 @@ contract AssetProxyOwner is
/// on an approved AssetProxy contract.
modifier validRemoveAuthorizedAddressAtIndexTx(uint256 transactionId) {
Transaction storage tx = transactions[transactionId];
- require(isAssetProxyRegistered[tx.destination]);
- require(readBytes4(tx.data, 0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR);
+ require(
+ isAssetProxyRegistered[tx.destination],
+ "UNREGISTERED_ASSET_PROXY"
+ );
+ require(
+ tx.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR,
+ "INVALID_FUNCTION_SELECTOR"
+ );
_;
}
@@ -48,7 +57,7 @@ contract AssetProxyOwner is
/// @param _assetProxyContracts Array of AssetProxy contract addresses.
/// @param _required Number of required confirmations.
/// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.
- function AssetProxyOwner(
+ constructor (
address[] memory _owners,
address[] memory _assetProxyContracts,
uint256 _required,
@@ -59,7 +68,10 @@ contract AssetProxyOwner is
{
for (uint256 i = 0; i < _assetProxyContracts.length; i++) {
address assetProxy = _assetProxyContracts[i];
- require(assetProxy != address(0));
+ require(
+ assetProxy != address(0),
+ "INVALID_ASSET_PROXY"
+ );
isAssetProxyRegistered[assetProxy] = true;
}
}
@@ -74,7 +86,7 @@ contract AssetProxyOwner is
notNull(assetProxyContract)
{
isAssetProxyRegistered[assetProxyContract] = isRegistered;
- AssetProxyRegistration(assetProxyContract, isRegistered);
+ emit AssetProxyRegistration(assetProxyContract, isRegistered);
}
/// @dev Allows execution of `removeAuthorizedAddressAtIndex` without time lock.
@@ -89,31 +101,10 @@ contract AssetProxyOwner is
tx.executed = true;
// solhint-disable-next-line avoid-call-value
if (tx.destination.call.value(tx.value)(tx.data))
- Execution(transactionId);
+ emit Execution(transactionId);
else {
- ExecutionFailure(transactionId);
+ emit ExecutionFailure(transactionId);
tx.executed = false;
}
}
-
- /// @dev Reads an unpadded bytes4 value from a position in a byte array.
- /// @param b Byte array containing a bytes4 value.
- /// @param index Index in byte array of bytes4 value.
- /// @return bytes4 value from byte array.
- function readBytes4(
- bytes memory b,
- uint256 index
- )
- internal
- returns (bytes4 result)
- {
- require(b.length >= index + 4);
- assembly {
- result := mload(add(b, 32))
- // Solidity does not require us to clean the trailing bytes.
- // We do it anyway
- result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)
- }
- return result;
- }
}
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 80475e6e3..e90b62f19 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
@@ -19,7 +19,6 @@
pragma solidity 0.4.24;
import "../../utils/Ownable/Ownable.sol";
-import "../../utils/LibBytes/LibBytes.sol";
import "./mixins/MAssetProxyDispatcher.sol";
import "../AssetProxy/interfaces/IAssetProxy.sol";
@@ -28,7 +27,6 @@ contract MixinAssetProxyDispatcher is
Ownable,
MAssetProxyDispatcher
{
- using LibBytes for bytes;
// Mapping from Asset Proxy Id's to their respective Asset Proxy
mapping (bytes4 => IAssetProxy) public assetProxies;
@@ -90,7 +88,7 @@ contract MixinAssetProxyDispatcher is
"LENGTH_GREATER_THAN_3_REQUIRED"
);
- // Lookup assetProxy
+ // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.
bytes4 assetProxyId;
assembly {
assetProxyId := and(mload(
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 be163ec97..11bbe40fb 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
@@ -107,14 +107,7 @@ contract MixinExchangeCore is
public
nonReentrant
{
- // Fetch current order status
- OrderInfo memory orderInfo = getOrderInfo(order);
-
- // Validate context
- assertValidCancel(order, orderInfo);
-
- // Perform cancel
- updateCancelledState(order, orderInfo.orderHash);
+ cancelOrderInternal(order);
}
/// @dev Gets information about an order: status, hash, and amount filled.
@@ -236,6 +229,22 @@ contract MixinExchangeCore is
return fillResults;
}
+ /// @dev After calling, the order can not be filled anymore.
+ /// Throws if order is invalid or sender does not have permission to cancel.
+ /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.
+ function cancelOrderInternal(Order memory order)
+ internal
+ {
+ // Fetch current order status
+ OrderInfo memory orderInfo = getOrderInfo(order);
+
+ // Validate context
+ assertValidCancel(order, orderInfo);
+
+ // Perform cancel
+ updateCancelledState(order, orderInfo.orderHash);
+ }
+
/// @dev Updates state with results of a fill order.
/// @param order that was filled.
/// @param takerAddress Address of taker who filled the order.
@@ -404,16 +413,6 @@ contract MixinExchangeCore is
safeMul(order.makerAssetAmount, takerAssetFilledAmount),
"INVALID_FILL_PRICE"
);
-
- // Validate fill order rounding
- require(
- !isRoundingErrorFloor(
- takerAssetFilledAmount,
- order.takerAssetAmount,
- order.makerAssetAmount
- ),
- "ROUNDING_ERROR"
- );
}
/// @dev Validates context for cancelOrder. Succeeds or throws.
@@ -463,17 +462,17 @@ contract MixinExchangeCore is
{
// Compute proportional transfer amounts
fillResults.takerAssetFilledAmount = takerAssetFilledAmount;
- fillResults.makerAssetFilledAmount = getPartialAmountFloor(
+ fillResults.makerAssetFilledAmount = safeGetPartialAmountFloor(
takerAssetFilledAmount,
order.takerAssetAmount,
order.makerAssetAmount
);
- fillResults.makerFeePaid = getPartialAmountFloor(
- takerAssetFilledAmount,
- order.takerAssetAmount,
+ fillResults.makerFeePaid = safeGetPartialAmountFloor(
+ fillResults.makerAssetFilledAmount,
+ order.makerAssetAmount,
order.makerFee
);
- fillResults.takerFeePaid = getPartialAmountFloor(
+ fillResults.takerFeePaid = safeGetPartialAmountFloor(
takerAssetFilledAmount,
order.takerAssetAmount,
order.takerFee
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 075a610b5..b4f6bdb26 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol
@@ -177,13 +177,13 @@ contract MixinMatchOrders is
{
// Derive maker asset amounts for left & right orders, given store taker assert amounts
uint256 leftTakerAssetAmountRemaining = safeSub(leftOrder.takerAssetAmount, leftOrderTakerAssetFilledAmount);
- uint256 leftMakerAssetAmountRemaining = getPartialAmountFloor(
+ uint256 leftMakerAssetAmountRemaining = safeGetPartialAmountFloor(
leftOrder.makerAssetAmount,
leftOrder.takerAssetAmount,
leftTakerAssetAmountRemaining
);
uint256 rightTakerAssetAmountRemaining = safeSub(rightOrder.takerAssetAmount, rightOrderTakerAssetFilledAmount);
- uint256 rightMakerAssetAmountRemaining = getPartialAmountFloor(
+ uint256 rightMakerAssetAmountRemaining = safeGetPartialAmountFloor(
rightOrder.makerAssetAmount,
rightOrder.takerAssetAmount,
rightTakerAssetAmountRemaining
@@ -205,7 +205,7 @@ contract MixinMatchOrders is
matchedFillResults.left.takerAssetFilledAmount = matchedFillResults.right.makerAssetFilledAmount;
// Round down to ensure the maker's exchange rate does not exceed the price specified by the order.
// We favor the maker when the exchange rate must be rounded.
- matchedFillResults.left.makerAssetFilledAmount = getPartialAmountFloor(
+ matchedFillResults.left.makerAssetFilledAmount = safeGetPartialAmountFloor(
leftOrder.makerAssetAmount,
leftOrder.takerAssetAmount,
matchedFillResults.left.takerAssetFilledAmount
@@ -217,7 +217,7 @@ contract MixinMatchOrders is
matchedFillResults.right.makerAssetFilledAmount = matchedFillResults.left.takerAssetFilledAmount;
// Round up to ensure the maker's exchange rate does not exceed the price specified by the order.
// We favor the maker when the exchange rate must be rounded.
- matchedFillResults.right.takerAssetFilledAmount = getPartialAmountCeil(
+ matchedFillResults.right.takerAssetFilledAmount = safeGetPartialAmountCeil(
rightOrder.takerAssetAmount,
rightOrder.makerAssetAmount,
matchedFillResults.right.makerAssetFilledAmount
@@ -231,24 +231,24 @@ contract MixinMatchOrders is
);
// Compute fees for left order
- matchedFillResults.left.makerFeePaid = getPartialAmountFloor(
+ matchedFillResults.left.makerFeePaid = safeGetPartialAmountFloor(
matchedFillResults.left.makerAssetFilledAmount,
leftOrder.makerAssetAmount,
leftOrder.makerFee
);
- matchedFillResults.left.takerFeePaid = getPartialAmountFloor(
+ matchedFillResults.left.takerFeePaid = safeGetPartialAmountFloor(
matchedFillResults.left.takerAssetFilledAmount,
leftOrder.takerAssetAmount,
leftOrder.takerFee
);
// Compute fees for right order
- matchedFillResults.right.makerFeePaid = getPartialAmountFloor(
+ matchedFillResults.right.makerFeePaid = safeGetPartialAmountFloor(
matchedFillResults.right.makerAssetFilledAmount,
rightOrder.makerAssetAmount,
rightOrder.makerFee
);
- matchedFillResults.right.takerFeePaid = getPartialAmountFloor(
+ matchedFillResults.right.takerFeePaid = safeGetPartialAmountFloor(
matchedFillResults.right.takerAssetFilledAmount,
rightOrder.takerAssetAmount,
rightOrder.takerFee
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 a5459a21e..a149f95c9 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
@@ -377,10 +377,11 @@ contract MixinWrapperFunctions is
/// @param orders Array of order specifications.
function batchCancelOrders(LibOrder.Order[] memory orders)
public
+ nonReentrant
{
uint256 ordersLength = orders.length;
for (uint256 i = 0; i != ordersLength; i++) {
- cancelOrder(orders[i]);
+ cancelOrderInternal(orders[i]);
}
}
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 0e0fba5d2..57fd53f29 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
@@ -26,11 +26,48 @@ contract LibMath is
{
/// @dev Calculates partial value given a numerator and denominator rounded down.
+ /// Reverts if rounding error is >= 0.1%
/// @param numerator Numerator.
/// @param denominator Denominator.
/// @param target Value to calculate partial of.
/// @return Partial value of target rounded down.
- function getPartialAmountFloor(
+ function safeGetPartialAmountFloor(
+ uint256 numerator,
+ uint256 denominator,
+ uint256 target
+ )
+ internal
+ pure
+ returns (uint256 partialAmount)
+ {
+ require(
+ denominator > 0,
+ "DIVISION_BY_ZERO"
+ );
+
+ require(
+ !isRoundingErrorFloor(
+ numerator,
+ denominator,
+ target
+ ),
+ "ROUNDING_ERROR"
+ );
+
+ partialAmount = safeDiv(
+ safeMul(numerator, target),
+ denominator
+ );
+ return partialAmount;
+ }
+
+ /// @dev Calculates partial value given a numerator and denominator rounded down.
+ /// Reverts if rounding error is >= 0.1%
+ /// @param numerator Numerator.
+ /// @param denominator Denominator.
+ /// @param target Value to calculate partial of.
+ /// @return Partial value of target rounded up.
+ function safeGetPartialAmountCeil(
uint256 numerator,
uint256 denominator,
uint256 target
@@ -43,7 +80,48 @@ contract LibMath is
denominator > 0,
"DIVISION_BY_ZERO"
);
+
+ require(
+ !isRoundingErrorCeil(
+ numerator,
+ denominator,
+ target
+ ),
+ "ROUNDING_ERROR"
+ );
+ // safeDiv computes `floor(a / b)`. We use the identity (a, b integer):
+ // ceil(a / b) = floor((a + b - 1) / b)
+ // To implement `ceil(a / b)` using safeDiv.
+ partialAmount = safeDiv(
+ safeAdd(
+ safeMul(numerator, target),
+ safeSub(denominator, 1)
+ ),
+ denominator
+ );
+ return partialAmount;
+ }
+
+ /// @dev Calculates partial value given a numerator and denominator rounded down.
+ /// @param numerator Numerator.
+ /// @param denominator Denominator.
+ /// @param target Value to calculate partial of.
+ /// @return Partial value of target rounded down.
+ function getPartialAmountFloor(
+ uint256 numerator,
+ uint256 denominator,
+ uint256 target
+ )
+ internal
+ pure
+ returns (uint256 partialAmount)
+ {
+ require(
+ denominator > 0,
+ "DIVISION_BY_ZERO"
+ );
+
partialAmount = safeDiv(
safeMul(numerator, target),
denominator
@@ -69,7 +147,7 @@ contract LibMath is
denominator > 0,
"DIVISION_BY_ZERO"
);
-
+
// safeDiv computes `floor(a / b)`. We use the identity (a, b integer):
// ceil(a / b) = floor((a + b - 1) / b)
// To implement `ceil(a / b)` using safeDiv.
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 d85913e0f..742499568 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
@@ -72,6 +72,11 @@ contract MExchangeCore is
internal
returns (LibFillResults.FillResults memory fillResults);
+ /// @dev After calling, the order can not be filled anymore.
+ /// @param order Order struct containing order specifications.
+ function cancelOrderInternal(LibOrder.Order memory order)
+ internal;
+
/// @dev Updates state with results of a fill order.
/// @param order that was filled.
/// @param takerAddress Address of taker who filled the order.
diff --git a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
new file mode 100644
index 000000000..8a8aecae8
--- /dev/null
+++ b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
@@ -0,0 +1,70 @@
+/*
+
+ Copyright 2018 ZeroEx Intl.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+*/
+
+pragma solidity 0.4.24;
+
+import "./DummyERC20Token.sol";
+
+
+// solhint-disable no-empty-blocks
+contract DummyMultipleReturnERC20Token is
+ DummyERC20Token
+{
+
+ constructor (
+ string _name,
+ string _symbol,
+ uint256 _decimals,
+ uint256 _totalSupply
+ )
+ public
+ DummyERC20Token(
+ _name,
+ _symbol,
+ _decimals,
+ _totalSupply
+ )
+ {}
+
+ /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`
+ /// @param _from The address of the sender
+ /// @param _to The address of the recipient
+ /// @param _value The amount of token to be transferred
+ function transferFrom(
+ address _from,
+ address _to,
+ uint256 _value
+ )
+ external
+ returns (bool)
+ {
+ emit Transfer(
+ _from,
+ _to,
+ _value
+ );
+
+ // HACK: This contract will not compile if we remove `returns (bool)`, so we manually return 64 bytes (equiavalent to true, true)
+ assembly {
+ mstore(0, 1)
+ mstore(32, 1)
+ return(0, 64)
+ }
+ }
+}
+
diff --git a/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol b/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol
index 8bfdd2e66..e3311c703 100644
--- a/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol
+++ b/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol
@@ -25,6 +25,7 @@ import "../../protocol/Exchange/interfaces/IExchange.sol";
import "../../protocol/Exchange/libs/LibOrder.sol";
+// solhint-disable no-unused-vars
contract ReentrantERC20Token is
ERC20Token
{
@@ -50,6 +51,7 @@ contract ReentrantERC20Token is
MARKET_SELL_ORDERS,
MATCH_ORDERS,
CANCEL_ORDER,
+ BATCH_CANCEL_ORDERS,
CANCEL_ORDERS_UP_TO,
SET_SIGNATURE_VALIDATOR_APPROVAL
}
@@ -149,6 +151,11 @@ contract ReentrantERC20Token is
EXCHANGE.cancelOrder.selector,
order
);
+ } else if (currentFunctionId == uint8(ExchangeFunction.BATCH_CANCEL_ORDERS)) {
+ calldata = abi.encodeWithSelector(
+ EXCHANGE.batchCancelOrders.selector,
+ orders
+ );
} else if (currentFunctionId == uint8(ExchangeFunction.CANCEL_ORDERS_UP_TO)) {
calldata = abi.encodeWithSelector(
EXCHANGE.cancelOrdersUpTo.selector,
diff --git a/packages/contracts/src/2.0.0/test/TestAssetProxyOwner/TestAssetProxyOwner.sol b/packages/contracts/src/2.0.0/test/TestAssetProxyOwner/TestAssetProxyOwner.sol
index 75e782d43..38ec42a72 100644
--- a/packages/contracts/src/2.0.0/test/TestAssetProxyOwner/TestAssetProxyOwner.sol
+++ b/packages/contracts/src/2.0.0/test/TestAssetProxyOwner/TestAssetProxyOwner.sol
@@ -16,7 +16,7 @@
*/
-pragma solidity 0.4.10;
+pragma solidity 0.4.24;
import "../../protocol/AssetProxyOwner/AssetProxyOwner.sol";
@@ -26,7 +26,7 @@ contract TestAssetProxyOwner is
AssetProxyOwner
{
- function TestAssetProxyOwner(
+ constructor (
address[] memory _owners,
address[] memory _assetProxyContracts,
uint256 _required,
@@ -38,6 +38,7 @@ contract TestAssetProxyOwner is
function testValidRemoveAuthorizedAddressAtIndexTx(uint256 id)
public
+ view
validRemoveAuthorizedAddressAtIndexTx(id)
returns (bool)
{
@@ -50,23 +51,9 @@ contract TestAssetProxyOwner is
/// @return Successful if data is a call to `removeAuthorizedAddressAtIndex`.
function isFunctionRemoveAuthorizedAddressAtIndex(bytes memory data)
public
+ pure
returns (bool)
{
- return readBytes4(data, 0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR;
- }
-
- /// @dev Reads an unpadded bytes4 value from a position in a byte array.
- /// @param b Byte array containing a bytes4 value.
- /// @param index Index in byte array of bytes4 value.
- /// @return bytes4 value from byte array.
- function publicReadBytes4(
- bytes memory b,
- uint256 index
- )
- public
- returns (bytes4 result)
- {
- result = readBytes4(b, index);
- return result;
+ return data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_AT_INDEX_SELECTOR;
}
}
diff --git a/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol b/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol
index da9313e02..27187f8f8 100644
--- a/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol
+++ b/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol
@@ -63,6 +63,42 @@ contract TestExchangeInternals is
}
/// @dev Calculates partial value given a numerator and denominator.
+ /// Reverts if rounding error is >= 0.1%
+ /// @param numerator Numerator.
+ /// @param denominator Denominator.
+ /// @param target Value to calculate partial of.
+ /// @return Partial value of target.
+ function publicSafeGetPartialAmountFloor(
+ uint256 numerator,
+ uint256 denominator,
+ uint256 target
+ )
+ public
+ pure
+ returns (uint256 partialAmount)
+ {
+ return safeGetPartialAmountFloor(numerator, denominator, target);
+ }
+
+ /// @dev Calculates partial value given a numerator and denominator.
+ /// Reverts if rounding error is >= 0.1%
+ /// @param numerator Numerator.
+ /// @param denominator Denominator.
+ /// @param target Value to calculate partial of.
+ /// @return Partial value of target.
+ function publicSafeGetPartialAmountCeil(
+ uint256 numerator,
+ uint256 denominator,
+ uint256 target
+ )
+ public
+ pure
+ returns (uint256 partialAmount)
+ {
+ return safeGetPartialAmountCeil(numerator, denominator, target);
+ }
+
+ /// @dev Calculates partial value given a numerator and denominator.
/// @param numerator Numerator.
/// @param denominator Denominator.
/// @param target Value to calculate partial of.
diff --git a/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol b/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol
index 504e950a8..93873cbcc 100644
--- a/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol
+++ b/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol
@@ -467,8 +467,13 @@ library LibBytes {
b.length >= index + 4,
"GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED"
);
+
+ // Arrays are prefixed by a 32 byte length field
+ index += 32;
+
+ // Read the bytes4 from array memory
assembly {
- result := mload(add(b, 32))
+ result := mload(add(b, index))
// Solidity does not require us to clean the trailing bytes.
// We do it anyway
result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)
diff --git a/packages/contracts/test/asset_proxy/authorizable.ts b/packages/contracts/test/asset_proxy/authorizable.ts
index e99c6cee3..0c0da46b3 100644
--- a/packages/contracts/test/asset_proxy/authorizable.ts
+++ b/packages/contracts/test/asset_proxy/authorizable.ts
@@ -2,6 +2,7 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
import { RevertReason } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
+import * as _ from 'lodash';
import { MixinAuthorizableContract } from '../../generated_contract_wrappers/mixin_authorizable';
import { artifacts } from '../utils/artifacts';
@@ -28,8 +29,7 @@ describe('Authorizable', () => {
});
before(async () => {
const accounts = await web3Wrapper.getAvailableAddressesAsync();
- owner = address = accounts[0];
- notOwner = accounts[1];
+ [owner, address, notOwner] = _.slice(accounts, 0, 3);
authorizable = await MixinAuthorizableContract.deployFrom0xArtifactAsync(
artifacts.MixinAuthorizable,
provider,
diff --git a/packages/contracts/test/asset_proxy/proxies.ts b/packages/contracts/test/asset_proxy/proxies.ts
index 6031e554d..4d70031d1 100644
--- a/packages/contracts/test/asset_proxy/proxies.ts
+++ b/packages/contracts/test/asset_proxy/proxies.ts
@@ -8,6 +8,8 @@ import * as _ from 'lodash';
import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
import { DummyERC721ReceiverContract } from '../../generated_contract_wrappers/dummy_erc721_receiver';
import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
+import { DummyMultipleReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_multiple_return_erc20_token';
+import { DummyNoReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_no_return_erc20_token';
import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
import { IAssetProxyContract } from '../../generated_contract_wrappers/i_asset_proxy';
@@ -42,6 +44,8 @@ describe('Asset Transfer Proxies', () => {
let erc721Receiver: DummyERC721ReceiverContract;
let erc20Proxy: ERC20ProxyContract;
let erc721Proxy: ERC721ProxyContract;
+ let noReturnErc20Token: DummyNoReturnERC20TokenContract;
+ let multipleReturnErc20Token: DummyMultipleReturnERC20TokenContract;
let erc20Wrapper: ERC20Wrapper;
let erc721Wrapper: ERC721Wrapper;
@@ -91,6 +95,51 @@ describe('Asset Transfer Proxies', () => {
provider,
txDefaults,
);
+ noReturnErc20Token = await DummyNoReturnERC20TokenContract.deployFrom0xArtifactAsync(
+ artifacts.DummyNoReturnERC20Token,
+ provider,
+ txDefaults,
+ constants.DUMMY_TOKEN_NAME,
+ constants.DUMMY_TOKEN_SYMBOL,
+ constants.DUMMY_TOKEN_DECIMALS,
+ constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await noReturnErc20Token.setBalance.sendTransactionAsync(makerAddress, constants.INITIAL_ERC20_BALANCE),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await noReturnErc20Token.approve.sendTransactionAsync(
+ erc20Proxy.address,
+ constants.INITIAL_ERC20_ALLOWANCE,
+ { from: makerAddress },
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ multipleReturnErc20Token = await DummyMultipleReturnERC20TokenContract.deployFrom0xArtifactAsync(
+ artifacts.DummyMultipleReturnERC20Token,
+ provider,
+ txDefaults,
+ constants.DUMMY_TOKEN_NAME,
+ constants.DUMMY_TOKEN_SYMBOL,
+ constants.DUMMY_TOKEN_DECIMALS,
+ constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await multipleReturnErc20Token.setBalance.sendTransactionAsync(
+ makerAddress,
+ constants.INITIAL_ERC20_BALANCE,
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await multipleReturnErc20Token.approve.sendTransactionAsync(
+ erc20Proxy.address,
+ constants.INITIAL_ERC20_ALLOWANCE,
+ { from: makerAddress },
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
@@ -141,6 +190,65 @@ describe('Asset Transfer Proxies', () => {
);
});
+ it('should successfully transfer tokens that do not return a value', async () => {
+ // Construct ERC20 asset data
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(noReturnErc20Token.address);
+ // Perform a transfer from makerAddress to takerAddress
+ const initialMakerBalance = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const initialTakerBalance = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
+ const amount = new BigNumber(10);
+ const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ to: erc20Proxy.address,
+ data,
+ from: exchangeAddress,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Verify transfer was successful
+ const newMakerBalance = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const newTakerBalance = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
+ expect(newMakerBalance).to.be.bignumber.equal(initialMakerBalance.minus(amount));
+ expect(newTakerBalance).to.be.bignumber.equal(initialTakerBalance.plus(amount));
+ });
+
+ it('should successfully transfer tokens and ignore extra assetData', async () => {
+ // Construct ERC20 asset data
+ const extraData = '0102030405060708';
+ const encodedAssetData = `${assetDataUtils.encodeERC20AssetData(zrxToken.address)}${extraData}`;
+ // Perform a transfer from makerAddress to takerAddress
+ const erc20Balances = await erc20Wrapper.getBalancesAsync();
+ const amount = new BigNumber(10);
+ const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ to: erc20Proxy.address,
+ data,
+ from: exchangeAddress,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Verify transfer was successful
+ const newBalances = await erc20Wrapper.getBalancesAsync();
+ expect(newBalances[makerAddress][zrxToken.address]).to.be.bignumber.equal(
+ erc20Balances[makerAddress][zrxToken.address].minus(amount),
+ );
+ expect(newBalances[takerAddress][zrxToken.address]).to.be.bignumber.equal(
+ erc20Balances[takerAddress][zrxToken.address].add(amount),
+ );
+ });
+
it('should do nothing if transferring 0 amount of a token', async () => {
// Construct ERC20 asset data
const encodedAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
@@ -189,6 +297,7 @@ describe('Asset Transfer Proxies', () => {
}),
constants.AWAIT_TRANSACTION_MINED_MS,
);
+ const erc20Balances = await erc20Wrapper.getBalancesAsync();
// Perform a transfer; expect this to fail.
await expectTransactionFailedAsync(
web3Wrapper.sendTransactionAsync({
@@ -198,6 +307,43 @@ describe('Asset Transfer Proxies', () => {
}),
RevertReason.TransferFailed,
);
+ const newBalances = await erc20Wrapper.getBalancesAsync();
+ expect(newBalances).to.deep.equal(erc20Balances);
+ });
+
+ it('should throw if allowances are too low and token does not return a value', async () => {
+ // Construct ERC20 asset data
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(noReturnErc20Token.address);
+ // Create allowance less than transfer amount. Set allowance on proxy.
+ const allowance = new BigNumber(0);
+ const amount = new BigNumber(10);
+ const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await noReturnErc20Token.approve.sendTransactionAsync(erc20Proxy.address, allowance, {
+ from: makerAddress,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ const initialMakerBalance = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const initialTakerBalance = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
+ // Perform a transfer; expect this to fail.
+ await expectTransactionFailedAsync(
+ web3Wrapper.sendTransactionAsync({
+ to: erc20Proxy.address,
+ data,
+ from: exchangeAddress,
+ }),
+ RevertReason.TransferFailed,
+ );
+ const newMakerBalance = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const newTakerBalance = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
+ expect(newMakerBalance).to.be.bignumber.equal(initialMakerBalance);
+ expect(newTakerBalance).to.be.bignumber.equal(initialTakerBalance);
});
it('should throw if requesting address is not authorized', async () => {
@@ -211,6 +357,7 @@ describe('Asset Transfer Proxies', () => {
takerAddress,
amount,
);
+ const erc20Balances = await erc20Wrapper.getBalancesAsync();
await expectTransactionFailedAsync(
web3Wrapper.sendTransactionAsync({
to: erc20Proxy.address,
@@ -219,6 +366,35 @@ describe('Asset Transfer Proxies', () => {
}),
RevertReason.SenderNotAuthorized,
);
+ const newBalances = await erc20Wrapper.getBalancesAsync();
+ expect(newBalances).to.deep.equal(erc20Balances);
+ });
+
+ it('should throw if token returns more than 32 bytes', async () => {
+ // Construct ERC20 asset data
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(multipleReturnErc20Token.address);
+ const amount = new BigNumber(10);
+ const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ );
+ const initialMakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const initialTakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(takerAddress);
+ // Perform a transfer; expect this to fail.
+ await expectTransactionFailedAsync(
+ web3Wrapper.sendTransactionAsync({
+ to: erc20Proxy.address,
+ data,
+ from: exchangeAddress,
+ }),
+ RevertReason.TransferFailed,
+ );
+ const newMakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(makerAddress);
+ const newTakerBalance = await multipleReturnErc20Token.balanceOf.callAsync(takerAddress);
+ expect(newMakerBalance).to.be.bignumber.equal(initialMakerBalance);
+ expect(newTakerBalance).to.be.bignumber.equal(initialTakerBalance);
});
});
@@ -247,7 +423,38 @@ describe('Asset Transfer Proxies', () => {
const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, erc721MakerTokenId);
// Verify pre-condition
const ownerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
- expect(ownerMakerAsset).to.be.bignumber.equal(makerAddress);
+ expect(ownerMakerAsset).to.be.equal(makerAddress);
+ // Perform a transfer from makerAddress to takerAddress
+ const amount = new BigNumber(1);
+ const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await web3Wrapper.sendTransactionAsync({
+ to: erc721Proxy.address,
+ data,
+ from: exchangeAddress,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Verify transfer was successful
+ const newOwnerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(newOwnerMakerAsset).to.be.bignumber.equal(takerAddress);
+ });
+
+ it('should successfully transfer tokens and ignore extra assetData', async () => {
+ // Construct ERC721 asset data
+ const extraData = '0102030405060708';
+ const encodedAssetData = `${assetDataUtils.encodeERC721AssetData(
+ erc721Token.address,
+ erc721MakerTokenId,
+ )}${extraData}`;
+ // Verify pre-condition
+ const ownerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(ownerMakerAsset).to.be.equal(makerAddress);
// Perform a transfer from makerAddress to takerAddress
const amount = new BigNumber(1);
const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
@@ -274,7 +481,7 @@ describe('Asset Transfer Proxies', () => {
const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, erc721MakerTokenId);
// Verify pre-condition
const ownerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
- expect(ownerMakerAsset).to.be.bignumber.equal(makerAddress);
+ expect(ownerMakerAsset).to.be.equal(makerAddress);
// Perform a transfer from makerAddress to takerAddress
const amount = new BigNumber(1);
const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
@@ -304,7 +511,7 @@ describe('Asset Transfer Proxies', () => {
const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, erc721MakerTokenId);
// Verify pre-condition
const ownerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
- expect(ownerMakerAsset).to.be.bignumber.equal(makerAddress);
+ expect(ownerMakerAsset).to.be.equal(makerAddress);
// Perform a transfer from makerAddress to takerAddress
const amount = new BigNumber(0);
const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
@@ -313,7 +520,7 @@ describe('Asset Transfer Proxies', () => {
takerAddress,
amount,
);
- return expectTransactionFailedAsync(
+ await expectTransactionFailedAsync(
web3Wrapper.sendTransactionAsync({
to: erc721Proxy.address,
data,
@@ -321,6 +528,8 @@ describe('Asset Transfer Proxies', () => {
}),
RevertReason.InvalidAmount,
);
+ const newOwner = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(newOwner).to.be.equal(ownerMakerAsset);
});
it('should throw if transferring > 1 amount of a token', async () => {
@@ -328,7 +537,7 @@ describe('Asset Transfer Proxies', () => {
const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, erc721MakerTokenId);
// Verify pre-condition
const ownerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
- expect(ownerMakerAsset).to.be.bignumber.equal(makerAddress);
+ expect(ownerMakerAsset).to.be.equal(makerAddress);
// Perform a transfer from makerAddress to takerAddress
const amount = new BigNumber(500);
const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
@@ -337,7 +546,7 @@ describe('Asset Transfer Proxies', () => {
takerAddress,
amount,
);
- return expectTransactionFailedAsync(
+ await expectTransactionFailedAsync(
web3Wrapper.sendTransactionAsync({
to: erc721Proxy.address,
data,
@@ -345,11 +554,16 @@ describe('Asset Transfer Proxies', () => {
}),
RevertReason.InvalidAmount,
);
+ const newOwner = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(newOwner).to.be.equal(ownerMakerAsset);
});
it('should throw if allowances are too low', async () => {
// Construct ERC721 asset data
const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, erc721MakerTokenId);
+ // Verify pre-condition
+ const ownerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(ownerMakerAsset).to.be.equal(makerAddress);
// Remove transfer approval for makerAddress.
await web3Wrapper.awaitTransactionSuccessAsync(
await erc721Token.approve.sendTransactionAsync(constants.NULL_ADDRESS, erc721MakerTokenId, {
@@ -365,7 +579,7 @@ describe('Asset Transfer Proxies', () => {
takerAddress,
amount,
);
- return expectTransactionFailedAsync(
+ await expectTransactionFailedAsync(
web3Wrapper.sendTransactionAsync({
to: erc721Proxy.address,
data,
@@ -373,11 +587,16 @@ describe('Asset Transfer Proxies', () => {
}),
RevertReason.TransferFailed,
);
+ const newOwner = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(newOwner).to.be.equal(ownerMakerAsset);
});
it('should throw if requesting address is not authorized', async () => {
// Construct ERC721 asset data
const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, erc721MakerTokenId);
+ // Verify pre-condition
+ const ownerMakerAsset = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(ownerMakerAsset).to.be.equal(makerAddress);
// Perform a transfer from makerAddress to takerAddress
const amount = new BigNumber(1);
const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
@@ -386,7 +605,7 @@ describe('Asset Transfer Proxies', () => {
takerAddress,
amount,
);
- return expectTransactionFailedAsync(
+ await expectTransactionFailedAsync(
web3Wrapper.sendTransactionAsync({
to: erc721Proxy.address,
data,
@@ -394,6 +613,8 @@ describe('Asset Transfer Proxies', () => {
}),
RevertReason.SenderNotAuthorized,
);
+ const newOwner = await erc721Token.ownerOf.callAsync(erc721MakerTokenId);
+ expect(newOwner).to.be.equal(ownerMakerAsset);
});
});
diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index 3bb71b58f..acb99eed1 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -8,7 +8,10 @@ import { LogWithDecodedArgs } from 'ethereum-types';
import ethUtil = require('ethereumjs-util');
import * as _ from 'lodash';
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
+import {
+ DummyERC20TokenContract,
+ DummyERC20TokenTransferEventArgs,
+} from '../../generated_contract_wrappers/dummy_erc20_token';
import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
import { DummyNoReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_no_return_erc20_token';
import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
@@ -243,6 +246,40 @@ describe('Exchange core', () => {
RevertReason.ValidatorError,
);
});
+
+ it('should not emit transfer events for transfers where from == to', async () => {
+ const txReceipt = await exchangeWrapper.fillOrderAsync(signedOrder, makerAddress);
+ const logs = txReceipt.logs;
+ const transferLogs = _.filter(
+ logs,
+ log => (log as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).event === 'Transfer',
+ );
+ expect(transferLogs.length).to.be.equal(2);
+ expect((transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).address).to.be.equal(
+ zrxToken.address,
+ );
+ expect((transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._from).to.be.equal(
+ makerAddress,
+ );
+ expect((transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._to).to.be.equal(
+ feeRecipientAddress,
+ );
+ expect(
+ (transferLogs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._value,
+ ).to.be.bignumber.equal(signedOrder.makerFee);
+ expect((transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).address).to.be.equal(
+ zrxToken.address,
+ );
+ expect((transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._from).to.be.equal(
+ makerAddress,
+ );
+ expect((transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._to).to.be.equal(
+ feeRecipientAddress,
+ );
+ expect(
+ (transferLogs[1] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>).args._value,
+ ).to.be.bignumber.equal(signedOrder.takerFee);
+ });
});
describe('Testing exchange of ERC20 tokens with no return values', () => {
diff --git a/packages/contracts/test/exchange/dispatcher.ts b/packages/contracts/test/exchange/dispatcher.ts
index 81871a680..a8ae897a8 100644
--- a/packages/contracts/test/exchange/dispatcher.ts
+++ b/packages/contracts/test/exchange/dispatcher.ts
@@ -205,6 +205,60 @@ describe('AssetProxyDispatcher', () => {
);
});
+ it('should not dispatch a transfer if amount == 0', async () => {
+ // Register ERC20 proxy
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Construct metadata for ERC20 proxy
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
+
+ // Perform a transfer from makerAddress to takerAddress
+ const erc20Balances = await erc20Wrapper.getBalancesAsync();
+ const amount = constants.ZERO_AMOUNT;
+ const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
+ encodedAssetData,
+ makerAddress,
+ takerAddress,
+ amount,
+ { from: owner },
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ expect(txReceipt.logs.length).to.be.equal(0);
+ const newBalances = await erc20Wrapper.getBalancesAsync();
+ expect(newBalances).to.deep.equal(erc20Balances);
+ });
+
+ it('should not dispatch a transfer if from == to', async () => {
+ // Register ERC20 proxy
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ // Construct metadata for ERC20 proxy
+ const encodedAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
+
+ // Perform a transfer from makerAddress to takerAddress
+ const erc20Balances = await erc20Wrapper.getBalancesAsync();
+ const amount = new BigNumber(10);
+ const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(
+ await assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
+ encodedAssetData,
+ makerAddress,
+ makerAddress,
+ amount,
+ { from: owner },
+ ),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ expect(txReceipt.logs.length).to.be.equal(0);
+ const newBalances = await erc20Wrapper.getBalancesAsync();
+ expect(newBalances).to.deep.equal(erc20Balances);
+ });
+
it('should throw if dispatching to unregistered proxy', async () => {
// Construct metadata for ERC20 proxy
const encodedAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
diff --git a/packages/contracts/test/exchange/internal.ts b/packages/contracts/test/exchange/internal.ts
index de381fca3..156e086af 100644
--- a/packages/contracts/test/exchange/internal.ts
+++ b/packages/contracts/test/exchange/internal.ts
@@ -6,10 +6,7 @@ import * as _ from 'lodash';
import { TestExchangeInternalsContract } from '../../generated_contract_wrappers/test_exchange_internals';
import { artifacts } from '../utils/artifacts';
-import {
- getInvalidOpcodeErrorMessageForCallAsync,
- getRevertReasonOrErrorMessageForSendTransactionAsync,
-} from '../utils/assertions';
+import { getRevertReasonOrErrorMessageForSendTransactionAsync } from '../utils/assertions';
import { chaiSetup } from '../utils/chai_setup';
import { bytes32Values, testCombinatoriallyWithReferenceFuncAsync, uint256Values } from '../utils/combinatorial_utils';
import { constants } from '../utils/constants';
@@ -48,9 +45,9 @@ const overflowErrorForCall = new Error(RevertReason.Uint256Overflow);
describe('Exchange core internal functions', () => {
let testExchange: TestExchangeInternalsContract;
- let invalidOpcodeErrorForCall: Error | undefined;
let overflowErrorForSendTransaction: Error | undefined;
let divisionByZeroErrorForCall: Error | undefined;
+ let roundingErrorForCall: Error | undefined;
before(async () => {
await blockchainLifecycle.startAsync();
@@ -68,12 +65,67 @@ describe('Exchange core internal functions', () => {
await getRevertReasonOrErrorMessageForSendTransactionAsync(RevertReason.Uint256Overflow),
);
divisionByZeroErrorForCall = new Error(RevertReason.DivisionByZero);
- invalidOpcodeErrorForCall = new Error(await getInvalidOpcodeErrorMessageForCallAsync());
+ roundingErrorForCall = new Error(RevertReason.RoundingError);
});
// Note(albrow): Don't forget to add beforeEach and afterEach calls to reset
// the blockchain state for any tests which modify it!
- async function referenceGetPartialAmountFloorAsync(
+ async function referenceIsRoundingErrorFloorAsync(
+ numerator: BigNumber,
+ denominator: BigNumber,
+ target: BigNumber,
+ ): Promise<boolean> {
+ if (denominator.eq(0)) {
+ throw divisionByZeroErrorForCall;
+ }
+ if (numerator.eq(0)) {
+ return false;
+ }
+ if (target.eq(0)) {
+ return false;
+ }
+ const product = numerator.mul(target);
+ const remainder = product.mod(denominator);
+ const remainderTimes1000 = remainder.mul('1000');
+ const isError = remainderTimes1000.gte(product);
+ if (product.greaterThan(MAX_UINT256)) {
+ throw overflowErrorForCall;
+ }
+ if (remainderTimes1000.greaterThan(MAX_UINT256)) {
+ throw overflowErrorForCall;
+ }
+ return isError;
+ }
+
+ async function referenceIsRoundingErrorCeilAsync(
+ numerator: BigNumber,
+ denominator: BigNumber,
+ target: BigNumber,
+ ): Promise<boolean> {
+ if (denominator.eq(0)) {
+ throw divisionByZeroErrorForCall;
+ }
+ if (numerator.eq(0)) {
+ return false;
+ }
+ if (target.eq(0)) {
+ return false;
+ }
+ const product = numerator.mul(target);
+ const remainder = product.mod(denominator);
+ const error = denominator.sub(remainder).mod(denominator);
+ const errorTimes1000 = error.mul('1000');
+ const isError = errorTimes1000.gte(product);
+ if (product.greaterThan(MAX_UINT256)) {
+ throw overflowErrorForCall;
+ }
+ if (errorTimes1000.greaterThan(MAX_UINT256)) {
+ throw overflowErrorForCall;
+ }
+ return isError;
+ }
+
+ async function referenceSafeGetPartialAmountFloorAsync(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
@@ -81,6 +133,10 @@ describe('Exchange core internal functions', () => {
if (denominator.eq(0)) {
throw divisionByZeroErrorForCall;
}
+ const isRoundingError = await referenceIsRoundingErrorFloorAsync(numerator, denominator, target);
+ if (isRoundingError) {
+ throw roundingErrorForCall;
+ }
const product = numerator.mul(target);
if (product.greaterThan(MAX_UINT256)) {
throw overflowErrorForCall;
@@ -162,19 +218,22 @@ describe('Exchange core internal functions', () => {
// in any mathematical operation in either the reference TypeScript
// implementation or the Solidity implementation of
// calculateFillResults.
+ const makerAssetFilledAmount = await referenceSafeGetPartialAmountFloorAsync(
+ takerAssetFilledAmount,
+ orderTakerAssetAmount,
+ otherAmount,
+ );
+ const order = makeOrder(otherAmount, orderTakerAssetAmount, otherAmount, otherAmount);
+ const orderMakerAssetAmount = order.makerAssetAmount;
return {
- makerAssetFilledAmount: await referenceGetPartialAmountFloorAsync(
- takerAssetFilledAmount,
- orderTakerAssetAmount,
- otherAmount,
- ),
+ makerAssetFilledAmount,
takerAssetFilledAmount,
- makerFeePaid: await referenceGetPartialAmountFloorAsync(
- takerAssetFilledAmount,
- orderTakerAssetAmount,
+ makerFeePaid: await referenceSafeGetPartialAmountFloorAsync(
+ makerAssetFilledAmount,
+ orderMakerAssetAmount,
otherAmount,
),
- takerFeePaid: await referenceGetPartialAmountFloorAsync(
+ takerFeePaid: await referenceSafeGetPartialAmountFloorAsync(
takerAssetFilledAmount,
orderTakerAssetAmount,
otherAmount,
@@ -198,6 +257,20 @@ describe('Exchange core internal functions', () => {
});
describe('getPartialAmountFloor', async () => {
+ async function referenceGetPartialAmountFloorAsync(
+ numerator: BigNumber,
+ denominator: BigNumber,
+ target: BigNumber,
+ ): Promise<BigNumber> {
+ if (denominator.eq(0)) {
+ throw divisionByZeroErrorForCall;
+ }
+ const product = numerator.mul(target);
+ if (product.greaterThan(MAX_UINT256)) {
+ throw overflowErrorForCall;
+ }
+ return product.dividedToIntegerBy(denominator);
+ }
async function testGetPartialAmountFloorAsync(
numerator: BigNumber,
denominator: BigNumber,
@@ -206,7 +279,7 @@ describe('Exchange core internal functions', () => {
return testExchange.publicGetPartialAmountFloor.callAsync(numerator, denominator, target);
}
await testCombinatoriallyWithReferenceFuncAsync(
- 'getPartialAmount',
+ 'getPartialAmountFloor',
referenceGetPartialAmountFloorAsync,
testGetPartialAmountFloorAsync,
[uint256Values, uint256Values, uint256Values],
@@ -250,76 +323,80 @@ describe('Exchange core internal functions', () => {
);
});
- describe('isRoundingError', async () => {
- async function referenceIsRoundingErrorAsync(
+ describe('safeGetPartialAmountFloor', async () => {
+ async function testSafeGetPartialAmountFloorAsync(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
- ): Promise<boolean> {
+ ): Promise<BigNumber> {
+ return testExchange.publicSafeGetPartialAmountFloor.callAsync(numerator, denominator, target);
+ }
+ await testCombinatoriallyWithReferenceFuncAsync(
+ 'safeGetPartialAmountFloor',
+ referenceSafeGetPartialAmountFloorAsync,
+ testSafeGetPartialAmountFloorAsync,
+ [uint256Values, uint256Values, uint256Values],
+ );
+ });
+
+ describe('safeGetPartialAmountCeil', async () => {
+ async function referenceSafeGetPartialAmountCeilAsync(
+ numerator: BigNumber,
+ denominator: BigNumber,
+ target: BigNumber,
+ ): Promise<BigNumber> {
if (denominator.eq(0)) {
throw divisionByZeroErrorForCall;
}
- if (numerator.eq(0)) {
- return false;
- }
- if (target.eq(0)) {
- return false;
+ const isRoundingError = await referenceIsRoundingErrorCeilAsync(numerator, denominator, target);
+ if (isRoundingError) {
+ throw roundingErrorForCall;
}
const product = numerator.mul(target);
- const remainder = product.mod(denominator);
- const remainderTimes1000 = remainder.mul('1000');
- const isError = remainderTimes1000.gt(product);
- if (product.greaterThan(MAX_UINT256)) {
+ const offset = product.add(denominator.sub(1));
+ if (offset.greaterThan(MAX_UINT256)) {
throw overflowErrorForCall;
}
- if (remainderTimes1000.greaterThan(MAX_UINT256)) {
- throw overflowErrorForCall;
+ const result = offset.dividedToIntegerBy(denominator);
+ if (product.mod(denominator).eq(0)) {
+ expect(result.mul(denominator)).to.be.bignumber.eq(product);
+ } else {
+ expect(result.mul(denominator)).to.be.bignumber.gt(product);
}
- return isError;
+ return result;
}
- async function testIsRoundingErrorAsync(
+ async function testSafeGetPartialAmountCeilAsync(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
- ): Promise<boolean> {
- return testExchange.publicIsRoundingErrorFloor.callAsync(numerator, denominator, target);
+ ): Promise<BigNumber> {
+ return testExchange.publicSafeGetPartialAmountCeil.callAsync(numerator, denominator, target);
}
await testCombinatoriallyWithReferenceFuncAsync(
- 'isRoundingError',
- referenceIsRoundingErrorAsync,
- testIsRoundingErrorAsync,
+ 'safeGetPartialAmountCeil',
+ referenceSafeGetPartialAmountCeilAsync,
+ testSafeGetPartialAmountCeilAsync,
[uint256Values, uint256Values, uint256Values],
);
});
- describe('isRoundingErrorCeil', async () => {
- async function referenceIsRoundingErrorAsync(
+ describe('isRoundingErrorFloor', async () => {
+ async function testIsRoundingErrorFloorAsync(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): Promise<boolean> {
- if (denominator.eq(0)) {
- throw divisionByZeroErrorForCall;
- }
- if (numerator.eq(0)) {
- return false;
- }
- if (target.eq(0)) {
- return false;
- }
- const product = numerator.mul(target);
- const remainder = product.mod(denominator);
- const error = denominator.sub(remainder).mod(denominator);
- const errorTimes1000 = error.mul('1000');
- const isError = errorTimes1000.gt(product);
- if (product.greaterThan(MAX_UINT256)) {
- throw overflowErrorForCall;
- }
- if (errorTimes1000.greaterThan(MAX_UINT256)) {
- throw overflowErrorForCall;
- }
- return isError;
+ return testExchange.publicIsRoundingErrorFloor.callAsync(numerator, denominator, target);
}
+ await testCombinatoriallyWithReferenceFuncAsync(
+ 'isRoundingErrorFloor',
+ referenceIsRoundingErrorFloorAsync,
+ testIsRoundingErrorFloorAsync,
+ [uint256Values, uint256Values, uint256Values],
+ );
+ });
+
+ describe('isRoundingErrorCeil', async () => {
async function testIsRoundingErrorCeilAsync(
numerator: BigNumber,
denominator: BigNumber,
@@ -329,7 +406,7 @@ describe('Exchange core internal functions', () => {
}
await testCombinatoriallyWithReferenceFuncAsync(
'isRoundingErrorCeil',
- referenceIsRoundingErrorAsync,
+ referenceIsRoundingErrorCeilAsync,
testIsRoundingErrorCeilAsync,
[uint256Values, uint256Values, uint256Values],
);
diff --git a/packages/contracts/test/exchange/match_orders.ts b/packages/contracts/test/exchange/match_orders.ts
index 8732e20ba..c6e7b494f 100644
--- a/packages/contracts/test/exchange/match_orders.ts
+++ b/packages/contracts/test/exchange/match_orders.ts
@@ -3,6 +3,7 @@ import { assetDataUtils } from '@0xproject/order-utils';
import { RevertReason } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as chai from 'chai';
import * as _ from 'lodash';
import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
@@ -11,8 +12,10 @@ import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_prox
import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
import { ExchangeContract } from '../../generated_contract_wrappers/exchange';
import { ReentrantERC20TokenContract } from '../../generated_contract_wrappers/reentrant_erc20_token';
+import { TestExchangeInternalsContract } from '../../generated_contract_wrappers/test_exchange_internals';
import { artifacts } from '../utils/artifacts';
import { expectTransactionFailedAsync } from '../utils/assertions';
+import { chaiSetup } from '../utils/chai_setup';
import { constants } from '../utils/constants';
import { ERC20Wrapper } from '../utils/erc20_wrapper';
import { ERC721Wrapper } from '../utils/erc721_wrapper';
@@ -23,6 +26,8 @@ import { ERC20BalancesByOwner, ERC721TokenIdsByOwner } from '../utils/types';
import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+chaiSetup.configure();
+const expect = chai.expect;
describe('matchOrders', () => {
let makerAddressLeft: string;
@@ -58,6 +63,8 @@ describe('matchOrders', () => {
let matchOrderTester: MatchOrderTester;
+ let testExchange: TestExchangeInternalsContract;
+
before(async () => {
await blockchainLifecycle.startAsync();
});
@@ -160,6 +167,11 @@ describe('matchOrders', () => {
orderFactoryRight = new OrderFactory(privateKeyRight, defaultOrderParamsRight);
// Set match order tester
matchOrderTester = new MatchOrderTester(exchangeWrapper, erc20Wrapper, erc721Wrapper, zrxToken.address);
+ testExchange = await TestExchangeInternalsContract.deployFrom0xArtifactAsync(
+ artifacts.TestExchangeInternals,
+ provider,
+ txDefaults,
+ );
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
@@ -173,39 +185,170 @@ describe('matchOrders', () => {
erc721TokenIdsByOwner = await erc721Wrapper.getBalancesAsync();
});
- it('Should give right maker a better price when correct price is not integral', async () => {
+ it('Should transfer correct amounts when right order is fully filled and values pass isRoundingErrorFloor but fail isRoundingErrorCeil', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAddress: makerAddressLeft,
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(17), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(98), 0),
+ feeRecipientAddress: feeRecipientAddressLeft,
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAddress: makerAddressRight,
+ makerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress),
+ takerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(75), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
+ feeRecipientAddress: feeRecipientAddressRight,
+ });
+ // Assert is rounding error ceil & not rounding error floor
+ // These assertions are taken from MixinMatchOrders::calculateMatchedFillResults
+ // The rounding error is derived computating how much the left maker will sell.
+ const numerator = signedOrderLeft.makerAssetAmount;
+ const denominator = signedOrderLeft.takerAssetAmount;
+ const target = signedOrderRight.makerAssetAmount;
+ const isRoundingErrorCeil = await testExchange.publicIsRoundingErrorCeil.callAsync(
+ numerator,
+ denominator,
+ target,
+ );
+ expect(isRoundingErrorCeil).to.be.true();
+ const isRoundingErrorFloor = await testExchange.publicIsRoundingErrorFloor.callAsync(
+ numerator,
+ denominator,
+ target,
+ );
+ expect(isRoundingErrorFloor).to.be.false();
+ // Match signedOrderLeft with signedOrderRight
+ // Note that the left maker received a slightly better sell price.
+ // This is intentional; see note in MixinMatchOrders.calculateMatchedFillResults.
+ // Because the left maker received a slightly more favorable sell price, the fee
+ // paid by the left taker is slightly higher than that paid by the left maker.
+ // Fees can be thought of as a tax paid by the seller, derived from the sale price.
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
+ amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(75), 0),
+ feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber('76.4705882352941176'), 16), // 76.47%
+ // Right Maker
+ amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(75), 0),
+ amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
+ feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ // Taker
+ amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(0), 0),
+ feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber('76.5306122448979591'), 16), // 76.53%
+ feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ };
+ await matchOrderTester.matchOrdersAndAssertEffectsAsync(
+ signedOrderLeft,
+ signedOrderRight,
+ takerAddress,
+ erc20BalancesByOwner,
+ erc721TokenIdsByOwner,
+ expectedTransferAmounts,
+ );
+ });
+
+ it('Should transfer correct amounts when left order is fully filled and values pass isRoundingErrorCeil but fail isRoundingErrorFloor', async () => {
// Create orders to match
const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
makerAddress: makerAddressLeft,
- makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2000), 0),
- takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(1001), 0),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(15), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 0),
feeRecipientAddress: feeRecipientAddressLeft,
});
const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
makerAddress: makerAddressRight,
makerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress),
takerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress),
- makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10000), 0),
- takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(3000), 0),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(97), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(14), 0),
+ feeRecipientAddress: feeRecipientAddressRight,
+ });
+ // Assert is rounding error floor & not rounding error ceil
+ // These assertions are taken from MixinMatchOrders::calculateMatchedFillResults
+ // The rounding error is derived computating how much the right maker will buy.
+ const numerator = signedOrderRight.takerAssetAmount;
+ const denominator = signedOrderRight.makerAssetAmount;
+ const target = signedOrderLeft.takerAssetAmount;
+ const isRoundingErrorFloor = await testExchange.publicIsRoundingErrorFloor.callAsync(
+ numerator,
+ denominator,
+ target,
+ );
+ expect(isRoundingErrorFloor).to.be.true();
+ const isRoundingErrorCeil = await testExchange.publicIsRoundingErrorCeil.callAsync(
+ numerator,
+ denominator,
+ target,
+ );
+ expect(isRoundingErrorCeil).to.be.false();
+ // Match signedOrderLeft with signedOrderRight
+ // Note that the right maker received a slightly better purchase price.
+ // This is intentional; see note in MixinMatchOrders.calculateMatchedFillResults.
+ // Because the right maker received a slightly more favorable buy price, the fee
+ // paid by the right taker is slightly higher than that paid by the right maker.
+ // Fees can be thought of as a tax paid by the seller, derived from the sale price.
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(15), 0),
+ amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 0),
+ feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ // Right Maker
+ amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 0),
+ amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
+ feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber('92.7835051546391752'), 16), // 92.78%
+ // Taker
+ amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 0),
+ feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber('92.8571428571428571'), 16), // 92.85%
+ };
+ await matchOrderTester.matchOrdersAndAssertEffectsAsync(
+ signedOrderLeft,
+ signedOrderRight,
+ takerAddress,
+ erc20BalancesByOwner,
+ erc721TokenIdsByOwner,
+ expectedTransferAmounts,
+ );
+ });
+
+ it('Should give right maker a better buy price when rounding', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAddress: makerAddressLeft,
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(16), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(22), 0),
+ feeRecipientAddress: feeRecipientAddressLeft,
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAddress: makerAddressRight,
+ makerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress),
+ takerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(83), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(49), 0),
feeRecipientAddress: feeRecipientAddressRight,
});
// Note:
+ // The correct price buy price for the right maker would yield (49/83) * 22 = 12.988 units
+ // of the left maker asset. This gets rounded up to 13, giving the right maker a better price.
+ // Note:
// The maker/taker fee percentage paid on the right order differs because
- // they received different sale prices. Similarly, the right maker pays a
- // slightly higher lower than the right taker.
+ // they received different sale prices. The right maker pays a
+ // fee slightly lower than the right taker.
const expectedTransferAmounts = {
// Left Maker
- amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2000), 0),
- amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1001), 0),
+ amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(16), 0),
+ amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(22), 0),
feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
// Right Maker
- amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1001), 0),
- amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(301), 0),
- feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10.01), 16), // 10.01%
+ amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(22), 0),
+ amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
+ feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber('26.5060240963855421'), 16), // 26.506%
// Taker
- amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1699), 0),
+ amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 0),
feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
- feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber('10.0333333333333333'), 16), // 10.03%
+ feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber('26.5306122448979591'), 16), // 26.531%
};
// Match signedOrderLeft with signedOrderRight
await matchOrderTester.matchOrdersAndAssertEffectsAsync(
@@ -218,7 +361,7 @@ describe('matchOrders', () => {
);
});
- it('Should give left maker a better price when correct price is not integral', async () => {
+ it('Should give left maker a better sell price when rounding', async () => {
// Create orders to match
const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
makerAddress: makerAddressLeft,
@@ -236,7 +379,8 @@ describe('matchOrders', () => {
});
// Note:
// The maker/taker fee percentage paid on the left order differs because
- // they received different sale prices.
+ // they received different sale prices. The left maker pays a fee
+ // slightly lower than the left taker.
const expectedTransferAmounts = {
// Left Maker
amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(11), 0),
@@ -262,42 +406,87 @@ describe('matchOrders', () => {
);
});
- it('Should transfer correct amounts when right order fill amount deviates from amount derived by `Exchange.fillOrder`', async () => {
+ it('Should give right maker and right taker a favorable fee price when rounding', async () => {
// Create orders to match
const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
makerAddress: makerAddressLeft,
- makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 0),
- takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 0),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(16), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(22), 0),
feeRecipientAddress: feeRecipientAddressLeft,
});
const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
makerAddress: makerAddressRight,
makerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress),
takerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress),
- makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 0),
- takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 0),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(83), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(49), 0),
feeRecipientAddress: feeRecipientAddressRight,
+ makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(10000), 0),
+ takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(10000), 0),
});
- // TODO: These values will change after implementation of rounding up has been merged
+ // Note:
+ // The maker/taker fee percentage paid on the right order differs because
+ // they received different sale prices. The right maker pays a
+ // fee slightly lower than the right taker.
const expectedTransferAmounts = {
// Left Maker
- amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 0),
- amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 0),
+ amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(16), 0),
+ amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(22), 0),
feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
// Right Maker
- // Note:
- // For order [4,2] valid fill amounts through `Exchange.fillOrder` would be [2, 1] or [4, 2]
- // In this case we have fill amounts of [3, 1] which is attainable through
- // `Exchange.matchOrders` but not `Exchange.fillOrder`
- // Note:
- // The right maker fee differs from the right taker fee because their exchange rate differs.
- // The right maker always receives the better exchange and fee price.
- amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 0),
- amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 0),
- feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(75), 16), // 75%
+ amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(22), 0),
+ amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
+ feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2650), 0), // 2650.6 rounded down tro 2650
// Taker
- amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(8), 0),
+ amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 0),
feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(2653), 0), // 2653.1 rounded down to 2653
+ };
+ // Match signedOrderLeft with signedOrderRight
+ await matchOrderTester.matchOrdersAndAssertEffectsAsync(
+ signedOrderLeft,
+ signedOrderRight,
+ takerAddress,
+ erc20BalancesByOwner,
+ erc721TokenIdsByOwner,
+ expectedTransferAmounts,
+ );
+ });
+
+ it('Should give left maker and left taker a favorable fee price when rounding', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAddress: makerAddressLeft,
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(12), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(97), 0),
+ feeRecipientAddress: feeRecipientAddressLeft,
+ makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(10000), 0),
+ takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(10000), 0),
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAddress: makerAddressRight,
+ makerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress),
+ takerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(89), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 0),
+ feeRecipientAddress: feeRecipientAddressRight,
+ });
+ // Note:
+ // The maker/taker fee percentage paid on the left order differs because
+ // they received different sale prices. The left maker pays a
+ // fee slightly lower than the left taker.
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(11), 0),
+ amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(89), 0),
+ feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(9166), 0), // 9166.6 rounded down to 9166
+ // Right Maker
+ amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(89), 0),
+ amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 0),
+ feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ // Taker
+ amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 0),
+ feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(9175), 0), // 9175.2 rounded down to 9175
feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
};
// Match signedOrderLeft with signedOrderRight
@@ -311,6 +500,61 @@ describe('matchOrders', () => {
);
});
+ it('Should transfer correct amounts when right order fill amount deviates from amount derived by `Exchange.fillOrder`', async () => {
+ // Create orders to match
+ const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
+ makerAddress: makerAddressLeft,
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(1000), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(1005), 0),
+ feeRecipientAddress: feeRecipientAddressLeft,
+ });
+ const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
+ makerAddress: makerAddressRight,
+ makerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress),
+ takerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress),
+ makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2126), 0),
+ takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(1063), 0),
+ feeRecipientAddress: feeRecipientAddressRight,
+ });
+ const expectedTransferAmounts = {
+ // Left Maker
+ amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1000), 0),
+ amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1005), 0),
+ feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ // Right Maker
+ // Notes:
+ // i.
+ // The left order is fully filled by the right order, so the right maker must sell 1005 units of their asset to the left maker.
+ // By selling 1005 units, the right maker should theoretically receive 502.5 units of the left maker's asset.
+ // Since the transfer amount must be an integer, this value must be rounded down to 502 or up to 503.
+ // ii.
+ // If the right order were filled via `Exchange.fillOrder` the respective fill amounts would be [1004, 502] or [1006, 503].
+ // It follows that we cannot trigger a sale of 1005 units of the right maker's asset through `Exchange.fillOrder`.
+ // iii.
+ // For an optimal match, the algorithm must choose either [1005, 502] or [1005, 503] as fill amounts for the right order.
+ // The algorithm favors the right maker when the exchange rate must be rounded, so the final fill for the right order is [1005, 503].
+ // iv.
+ // The right maker fee differs from the right taker fee because their exchange rate differs.
+ // The right maker always receives the better exchange and fee price.
+ amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1005), 0),
+ amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(503), 0),
+ feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber('47.2718720602069614'), 16), // 47.27%
+ // Taker
+ amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(497), 0),
+ feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+ feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber('47.3189087488240827'), 16), // 47.31%
+ };
+ // Match signedOrderLeft with signedOrderRight
+ await matchOrderTester.matchOrdersAndAssertEffectsAsync(
+ signedOrderLeft,
+ signedOrderRight,
+ takerAddress,
+ erc20BalancesByOwner,
+ erc721TokenIdsByOwner,
+ expectedTransferAmounts,
+ );
+ });
+
const reentrancyTest = (functionNames: string[]) => {
_.forEach(functionNames, async (functionName: string, functionId: number) => {
const description = `should not allow matchOrders to reenter the Exchange contract via ${functionName}`;
diff --git a/packages/contracts/test/exchange/signature_validator.ts b/packages/contracts/test/exchange/signature_validator.ts
index da2febfd8..5cc62e777 100644
--- a/packages/contracts/test/exchange/signature_validator.ts
+++ b/packages/contracts/test/exchange/signature_validator.ts
@@ -14,7 +14,7 @@ import { ValidatorContract } from '../../generated_contract_wrappers/validator';
import { WalletContract } from '../../generated_contract_wrappers/wallet';
import { addressUtils } from '../utils/address_utils';
import { artifacts } from '../utils/artifacts';
-import { expectContractCallFailed, expectContractCallFailedWithoutReasonAsync } from '../utils/assertions';
+import { expectContractCallFailedAsync } from '../utils/assertions';
import { chaiSetup } from '../utils/chai_setup';
import { constants } from '../utils/constants';
import { LogDecoder } from '../utils/log_decoder';
@@ -119,7 +119,7 @@ describe('MixinSignatureValidator', () => {
it('should revert when signature is empty', async () => {
const emptySignature = '0x';
const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
signatureValidator.publicIsValidSignature.callAsync(
orderHashHex,
signedOrder.makerAddress,
@@ -133,7 +133,7 @@ describe('MixinSignatureValidator', () => {
const unsupportedSignatureType = SignatureType.NSignatureTypes;
const unsupportedSignatureHex = '0x' + Buffer.from([unsupportedSignatureType]).toString('hex');
const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
signatureValidator.publicIsValidSignature.callAsync(
orderHashHex,
signedOrder.makerAddress,
@@ -146,7 +146,7 @@ describe('MixinSignatureValidator', () => {
it('should revert when SignatureType=Illegal', async () => {
const unsupportedSignatureHex = '0x' + Buffer.from([SignatureType.Illegal]).toString('hex');
const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
signatureValidator.publicIsValidSignature.callAsync(
orderHashHex,
signedOrder.makerAddress,
@@ -173,7 +173,7 @@ describe('MixinSignatureValidator', () => {
const signatureBuffer = Buffer.concat([fillerData, signatureType]);
const signatureHex = ethUtil.bufferToHex(signatureBuffer);
const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
signatureValidator.publicIsValidSignature.callAsync(
orderHashHex,
signedOrder.makerAddress,
@@ -339,7 +339,7 @@ describe('MixinSignatureValidator', () => {
ethUtil.toBuffer(`0x${SignatureType.Wallet}`),
]);
const signatureHex = ethUtil.bufferToHex(signature);
- await expectContractCallFailed(
+ await expectContractCallFailedAsync(
signatureValidator.publicIsValidSignature.callAsync(
orderHashHex,
maliciousWallet.address,
@@ -385,7 +385,7 @@ describe('MixinSignatureValidator', () => {
const signature = Buffer.concat([validatorAddress, signatureType]);
const signatureHex = ethUtil.bufferToHex(signature);
const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
- await expectContractCallFailed(
+ await expectContractCallFailedAsync(
signatureValidator.publicIsValidSignature.callAsync(orderHashHex, signerAddress, signatureHex),
RevertReason.ValidatorError,
);
diff --git a/packages/contracts/test/libraries/lib_bytes.ts b/packages/contracts/test/libraries/lib_bytes.ts
index 1c497a226..13640a761 100644
--- a/packages/contracts/test/libraries/lib_bytes.ts
+++ b/packages/contracts/test/libraries/lib_bytes.ts
@@ -9,7 +9,7 @@ import * as _ from 'lodash';
import { TestLibBytesContract } from '../../generated_contract_wrappers/test_lib_bytes';
import { artifacts } from '../utils/artifacts';
-import { expectContractCallFailed } from '../utils/assertions';
+import { expectContractCallFailedAsync } from '../utils/assertions';
import { chaiSetup } from '../utils/chai_setup';
import { constants } from '../utils/constants';
import { typeEncodingUtils } from '../utils/type_encoding_utils';
@@ -41,6 +41,8 @@ describe('LibBytes', () => {
const testBytes32B = '0x534877abd8443578526845cdfef020047528759477fedef87346527659aced32';
const testUint256 = new BigNumber(testBytes32, 16);
const testUint256B = new BigNumber(testBytes32B, 16);
+ const testBytes4 = '0xabcdef12';
+ const testByte = '0xab';
let shortData: string;
let shortTestBytes: string;
let shortTestBytesAsBuffer: Buffer;
@@ -101,34 +103,47 @@ describe('LibBytes', () => {
describe('popLastByte', () => {
it('should revert if length is 0', async () => {
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicPopLastByte.callAsync(constants.NULL_BYTES),
RevertReason.LibBytesGreaterThanZeroLengthRequired,
);
});
- it('should pop the last byte from the input and return it', async () => {
+ it('should pop the last byte from the input and return it when array holds more than 1 byte', async () => {
const [newBytes, poppedByte] = await libBytes.publicPopLastByte.callAsync(byteArrayLongerThan32Bytes);
const expectedNewBytes = byteArrayLongerThan32Bytes.slice(0, -2);
const expectedPoppedByte = `0x${byteArrayLongerThan32Bytes.slice(-2)}`;
expect(newBytes).to.equal(expectedNewBytes);
expect(poppedByte).to.equal(expectedPoppedByte);
});
+ it('should pop the last byte from the input and return it when array is exactly 1 byte', async () => {
+ const [newBytes, poppedByte] = await libBytes.publicPopLastByte.callAsync(testByte);
+ const expectedNewBytes = '0x';
+ expect(newBytes).to.equal(expectedNewBytes);
+ return expect(poppedByte).to.be.equal(testByte);
+ });
});
describe('popLast20Bytes', () => {
it('should revert if length is less than 20', async () => {
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicPopLast20Bytes.callAsync(byteArrayShorterThan20Bytes),
RevertReason.LibBytesGreaterOrEqualTo20LengthRequired,
);
});
- it('should pop the last 20 bytes from the input and return it', async () => {
+ it('should pop the last 20 bytes from the input and return it when array holds more than 20 bytes', async () => {
const [newBytes, poppedAddress] = await libBytes.publicPopLast20Bytes.callAsync(byteArrayLongerThan32Bytes);
const expectedNewBytes = byteArrayLongerThan32Bytes.slice(0, -40);
const expectedPoppedAddress = `0x${byteArrayLongerThan32Bytes.slice(-40)}`;
expect(newBytes).to.equal(expectedNewBytes);
expect(poppedAddress).to.equal(expectedPoppedAddress);
});
+ it('should pop the last 20 bytes from the input and return it when array is exactly 20 bytes', async () => {
+ const [newBytes, poppedAddress] = await libBytes.publicPopLast20Bytes.callAsync(testAddress);
+ const expectedNewBytes = '0x';
+ const expectedPoppedAddress = testAddress;
+ expect(newBytes).to.equal(expectedNewBytes);
+ expect(poppedAddress).to.equal(expectedPoppedAddress);
+ });
});
describe('equals', () => {
@@ -185,7 +200,7 @@ describe('LibBytes', () => {
describe('deepCopyBytes', () => {
it('should revert if dest is shorter than source', async () => {
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicDeepCopyBytes.callAsync(byteArrayShorterThan32Bytes, byteArrayLongerThan32Bytes),
RevertReason.LibBytesGreaterOrEqualToSourceBytesLengthRequired,
);
@@ -238,7 +253,7 @@ describe('LibBytes', () => {
it('should fail if the byte array is too short to hold an address', async () => {
const shortByteArray = '0xabcdef';
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadAddress.callAsync(shortByteArray, offset),
RevertReason.LibBytesGreaterOrEqualTo20LengthRequired,
);
@@ -246,7 +261,7 @@ describe('LibBytes', () => {
it('should fail if the length between the offset and end of the byte array is too short to hold an address', async () => {
const byteArray = testAddress;
const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadAddress.callAsync(byteArray, badOffset),
RevertReason.LibBytesGreaterOrEqualTo20LengthRequired,
);
@@ -282,7 +297,7 @@ describe('LibBytes', () => {
});
it('should fail if the byte array is too short to hold an address', async () => {
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteAddress.callAsync(byteArrayShorterThan20Bytes, offset, testAddress),
RevertReason.LibBytesGreaterOrEqualTo20LengthRequired,
);
@@ -290,7 +305,7 @@ describe('LibBytes', () => {
it('should fail if the length between the offset and end of the byte array is too short to hold an address', async () => {
const byteArray = byteArrayLongerThan32Bytes;
const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteAddress.callAsync(byteArray, badOffset, testAddress),
RevertReason.LibBytesGreaterOrEqualTo20LengthRequired,
);
@@ -303,7 +318,7 @@ describe('LibBytes', () => {
const bytes32 = await libBytes.publicReadBytes32.callAsync(testBytes32, testBytes32Offset);
return expect(bytes32).to.be.equal(testBytes32);
});
- it('should successfully read bytes32 when it is offset in the array)', async () => {
+ it('should successfully read bytes32 when it is offset in the array', async () => {
const bytes32ByteArrayBuffer = ethUtil.toBuffer(testBytes32);
const prefixByteArrayBuffer = ethUtil.toBuffer('0xabcdef');
const combinedByteArrayBuffer = Buffer.concat([prefixByteArrayBuffer, bytes32ByteArrayBuffer]);
@@ -314,14 +329,14 @@ describe('LibBytes', () => {
});
it('should fail if the byte array is too short to hold a bytes32', async () => {
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadBytes32.callAsync(byteArrayShorterThan32Bytes, offset),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
});
it('should fail if the length between the offset and end of the byte array is too short to hold a bytes32', async () => {
const badOffset = new BigNumber(ethUtil.toBuffer(testBytes32).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadBytes32.callAsync(testBytes32, badOffset),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -357,7 +372,7 @@ describe('LibBytes', () => {
});
it('should fail if the byte array is too short to hold a bytes32', async () => {
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteBytes32.callAsync(byteArrayShorterThan32Bytes, offset, testBytes32),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -365,7 +380,7 @@ describe('LibBytes', () => {
it('should fail if the length between the offset and end of the byte array is too short to hold a bytes32', async () => {
const byteArray = byteArrayLongerThan32Bytes;
const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteBytes32.callAsync(byteArray, badOffset, testBytes32),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -393,7 +408,7 @@ describe('LibBytes', () => {
});
it('should fail if the byte array is too short to hold a uint256', async () => {
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadUint256.callAsync(byteArrayShorterThan32Bytes, offset),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -403,7 +418,7 @@ describe('LibBytes', () => {
const testUint256AsBuffer = ethUtil.toBuffer(formattedTestUint256);
const byteArray = ethUtil.bufferToHex(testUint256AsBuffer);
const badOffset = new BigNumber(testUint256AsBuffer.byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadUint256.callAsync(byteArray, badOffset),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -443,7 +458,7 @@ describe('LibBytes', () => {
});
it('should fail if the byte array is too short to hold a uint256', async () => {
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteUint256.callAsync(byteArrayShorterThan32Bytes, offset, testUint256),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -451,7 +466,7 @@ describe('LibBytes', () => {
it('should fail if the length between the offset and end of the byte array is too short to hold a uint256', async () => {
const byteArray = byteArrayLongerThan32Bytes;
const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteUint256.callAsync(byteArray, badOffset, testUint256),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -462,8 +477,9 @@ describe('LibBytes', () => {
// AssertionError: expected promise to be rejected with an error including 'revert' but it was fulfilled with '0x08c379a0'
it('should revert if byte array has a length < 4', async () => {
const byteArrayLessThan4Bytes = '0x010101';
- return expectContractCallFailed(
- libBytes.publicReadBytes4.callAsync(byteArrayLessThan4Bytes, new BigNumber(0)),
+ const offset = new BigNumber(0);
+ return expectContractCallFailedAsync(
+ libBytes.publicReadBytes4.callAsync(byteArrayLessThan4Bytes, offset),
RevertReason.LibBytesGreaterOrEqualTo4LengthRequired,
);
});
@@ -472,6 +488,27 @@ describe('LibBytes', () => {
const expectedFirst4Bytes = byteArrayLongerThan32Bytes.slice(0, 10);
expect(first4Bytes).to.equal(expectedFirst4Bytes);
});
+ it('should successfully read bytes4 when the bytes4 takes up the whole array', async () => {
+ const testBytes4Offset = new BigNumber(0);
+ const bytes4 = await libBytes.publicReadBytes4.callAsync(testBytes4, testBytes4Offset);
+ return expect(bytes4).to.be.equal(testBytes4);
+ });
+ it('should successfully read bytes4 when it is offset in the array', async () => {
+ const bytes4ByteArrayBuffer = ethUtil.toBuffer(testBytes4);
+ const prefixByteArrayBuffer = ethUtil.toBuffer('0xabcdef');
+ const combinedByteArrayBuffer = Buffer.concat([prefixByteArrayBuffer, bytes4ByteArrayBuffer]);
+ const combinedByteArray = ethUtil.bufferToHex(combinedByteArrayBuffer);
+ const testBytes4Offset = new BigNumber(prefixByteArrayBuffer.byteLength);
+ const bytes4 = await libBytes.publicReadBytes4.callAsync(combinedByteArray, testBytes4Offset);
+ return expect(bytes4).to.be.equal(testBytes4);
+ });
+ it('should fail if the length between the offset and end of the byte array is too short to hold a bytes4', async () => {
+ const badOffset = new BigNumber(ethUtil.toBuffer(testBytes4).byteLength);
+ return expectContractCallFailedAsync(
+ libBytes.publicReadBytes4.callAsync(testBytes4, badOffset),
+ RevertReason.LibBytesGreaterOrEqualTo4LengthRequired,
+ );
+ });
});
describe('readBytesWithLength', () => {
@@ -517,28 +554,28 @@ describe('LibBytes', () => {
it('should fail if the byte array is too short to hold the length of a nested byte array', async () => {
// The length of the nested array is 32 bytes. By storing less than 32 bytes, a length cannot be read.
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadBytesWithLength.callAsync(byteArrayShorterThan32Bytes, offset),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
});
it('should fail if we store a nested byte array length, without a nested byte array', async () => {
const offset = new BigNumber(0);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadBytesWithLength.callAsync(testBytes32, offset),
RevertReason.LibBytesGreaterOrEqualToNestedBytesLengthRequired,
);
});
it('should fail if the length between the offset and end of the byte array is too short to hold the length of a nested byte array', async () => {
const badOffset = new BigNumber(ethUtil.toBuffer(byteArrayShorterThan32Bytes).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadBytesWithLength.callAsync(byteArrayShorterThan32Bytes, badOffset),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
});
it('should fail if the length between the offset and end of the byte array is too short to hold the nested byte array', async () => {
const badOffset = new BigNumber(ethUtil.toBuffer(testBytes32).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicReadBytesWithLength.callAsync(testBytes32, badOffset),
RevertReason.LibBytesGreaterOrEqualTo32LengthRequired,
);
@@ -546,7 +583,7 @@ describe('LibBytes', () => {
});
describe('writeBytesWithLength', () => {
- it('should successfully write short, nested array of bytes when it takes up the whole array)', async () => {
+ it('should successfully write short, nested array of bytes when it takes up the whole array', async () => {
const testBytesOffset = new BigNumber(0);
const emptyByteArray = ethUtil.bufferToHex(new Buffer(shortTestBytesAsBuffer.byteLength));
const bytesWritten = await libBytes.publicWriteBytesWithLength.callAsync(
@@ -650,15 +687,15 @@ describe('LibBytes', () => {
it('should fail if the byte array is too short to hold the length of a nested byte array', async () => {
const offset = new BigNumber(0);
const emptyByteArray = ethUtil.bufferToHex(new Buffer(1));
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteBytesWithLength.callAsync(emptyByteArray, offset, longData),
RevertReason.LibBytesGreaterOrEqualToNestedBytesLengthRequired,
);
});
- it('should fail if the length between the offset and end of the byte array is too short to hold the length of a nested byte array)', async () => {
+ it('should fail if the length between the offset and end of the byte array is too short to hold the length of a nested byte array', async () => {
const emptyByteArray = ethUtil.bufferToHex(new Buffer(shortTestBytesAsBuffer.byteLength));
const badOffset = new BigNumber(ethUtil.toBuffer(shortTestBytesAsBuffer).byteLength);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
libBytes.publicWriteBytesWithLength.callAsync(emptyByteArray, badOffset, shortData),
RevertReason.LibBytesGreaterOrEqualToNestedBytesLengthRequired,
);
diff --git a/packages/contracts/test/multisig/asset_proxy_owner.ts b/packages/contracts/test/multisig/asset_proxy_owner.ts
index 9515941ff..bb2b3b1a3 100644
--- a/packages/contracts/test/multisig/asset_proxy_owner.ts
+++ b/packages/contracts/test/multisig/asset_proxy_owner.ts
@@ -1,4 +1,5 @@
import { BlockchainLifecycle } from '@0xproject/dev-utils';
+import { RevertReason } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import { LogWithDecodedArgs } from 'ethereum-types';
@@ -14,9 +15,11 @@ import { MixinAuthorizableContract } from '../../generated_contract_wrappers/mix
import { TestAssetProxyOwnerContract } from '../../generated_contract_wrappers/test_asset_proxy_owner';
import { artifacts } from '../utils/artifacts';
import {
- expectContractCallFailedWithoutReasonAsync,
- expectContractCreationFailedWithoutReason,
+ expectContractCallFailedAsync,
+ expectContractCreationFailedAsync,
+ expectTransactionFailedAsync,
expectTransactionFailedWithoutReasonAsync,
+ sendTransactionResult,
} from '../utils/assertions';
import { increaseTimeAndMineBlockAsync } from '../utils/block_timestamp';
import { chaiSetup } from '../utils/chai_setup';
@@ -109,8 +112,8 @@ describe('AssetProxyOwner', () => {
});
it('should throw if a null address is included in assetProxyContracts', async () => {
const assetProxyContractAddresses = [erc20Proxy.address, constants.NULL_ADDRESS];
- return expectContractCreationFailedWithoutReason(
- AssetProxyOwnerContract.deployFrom0xArtifactAsync(
+ return expectContractCreationFailedAsync(
+ (AssetProxyOwnerContract.deployFrom0xArtifactAsync(
artifacts.AssetProxyOwner,
provider,
txDefaults,
@@ -118,7 +121,8 @@ describe('AssetProxyOwner', () => {
assetProxyContractAddresses,
REQUIRED_APPROVALS,
SECONDS_TIME_LOCKED,
- ),
+ ) as any) as sendTransactionResult,
+ RevertReason.InvalidAssetProxy,
);
});
});
@@ -148,25 +152,6 @@ describe('AssetProxyOwner', () => {
});
});
- describe('readBytes4', () => {
- it('should revert if byte array has a length < 4', async () => {
- const byteArrayLessThan4Bytes = '0x010101';
- return expectContractCallFailedWithoutReasonAsync(
- testAssetProxyOwner.publicReadBytes4.callAsync(byteArrayLessThan4Bytes, new BigNumber(0)),
- );
- });
- it('should return the first 4 bytes of a byte array of arbitrary length', async () => {
- const byteArrayLongerThan32Bytes =
- '0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef';
- const first4Bytes = await testAssetProxyOwner.publicReadBytes4.callAsync(
- byteArrayLongerThan32Bytes,
- new BigNumber(0),
- );
- const expectedFirst4Bytes = byteArrayLongerThan32Bytes.slice(0, 10);
- expect(first4Bytes).to.equal(expectedFirst4Bytes);
- });
- });
-
describe('registerAssetProxy', () => {
it('should throw if not called by multisig', async () => {
const isRegistered = true;
@@ -300,8 +285,9 @@ describe('AssetProxyOwner', () => {
);
const log = submitTxRes.logs[0] as LogWithDecodedArgs<AssetProxyOwnerSubmissionEventArgs>;
const txId = log.args.transactionId;
- return expectContractCallFailedWithoutReasonAsync(
+ return expectContractCallFailedAsync(
testAssetProxyOwner.testValidRemoveAuthorizedAddressAtIndexTx.callAsync(txId),
+ RevertReason.InvalidFunctionSelector,
);
});
@@ -335,8 +321,9 @@ describe('AssetProxyOwner', () => {
);
const log = submitTxRes.logs[0] as LogWithDecodedArgs<AssetProxyOwnerSubmissionEventArgs>;
const txId = log.args.transactionId;
- return expectContractCallFailedWithoutReasonAsync(
+ return expectContractCallFailedAsync(
testAssetProxyOwner.testValidRemoveAuthorizedAddressAtIndexTx.callAsync(txId),
+ RevertReason.UnregisteredAssetProxy,
);
});
});
@@ -377,10 +364,11 @@ describe('AssetProxyOwner', () => {
await multiSigWrapper.confirmTransactionAsync(txId, owners[1]);
- return expectTransactionFailedWithoutReasonAsync(
+ return expectTransactionFailedAsync(
testAssetProxyOwner.executeRemoveAuthorizedAddressAtIndex.sendTransactionAsync(txId, {
from: owners[1],
}),
+ RevertReason.UnregisteredAssetProxy,
);
});
@@ -399,10 +387,11 @@ describe('AssetProxyOwner', () => {
await multiSigWrapper.confirmTransactionAsync(txId, owners[1]);
- return expectTransactionFailedWithoutReasonAsync(
+ return expectTransactionFailedAsync(
testAssetProxyOwner.executeRemoveAuthorizedAddressAtIndex.sendTransactionAsync(txId, {
from: owners[1],
}),
+ RevertReason.InvalidFunctionSelector,
);
});
diff --git a/packages/contracts/test/tokens/unlimited_allowance_token.ts b/packages/contracts/test/tokens/unlimited_allowance_token.ts
index f2725b408..63680fe9b 100644
--- a/packages/contracts/test/tokens/unlimited_allowance_token.ts
+++ b/packages/contracts/test/tokens/unlimited_allowance_token.ts
@@ -5,7 +5,7 @@ import * as chai from 'chai';
import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
import { artifacts } from '../utils/artifacts';
-import { expectContractCallFailed } from '../utils/assertions';
+import { expectContractCallFailedAsync } from '../utils/assertions';
import { chaiSetup } from '../utils/chai_setup';
import { constants } from '../utils/constants';
import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
@@ -54,7 +54,7 @@ describe('UnlimitedAllowanceToken', () => {
it('should throw if owner has insufficient balance', async () => {
const ownerBalance = await token.balanceOf.callAsync(owner);
const amountToTransfer = ownerBalance.plus(1);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
token.transfer.callAsync(spender, amountToTransfer, { from: owner }),
RevertReason.Erc20InsufficientBalance,
);
@@ -93,7 +93,7 @@ describe('UnlimitedAllowanceToken', () => {
await token.approve.sendTransactionAsync(spender, amountToTransfer, { from: owner }),
constants.AWAIT_TRANSACTION_MINED_MS,
);
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
token.transferFrom.callAsync(owner, spender, amountToTransfer, {
from: spender,
}),
@@ -109,7 +109,7 @@ describe('UnlimitedAllowanceToken', () => {
const isSpenderAllowanceInsufficient = spenderAllowance.cmp(amountToTransfer) < 0;
expect(isSpenderAllowanceInsufficient).to.be.true();
- return expectContractCallFailed(
+ return expectContractCallFailedAsync(
token.transferFrom.callAsync(owner, spender, amountToTransfer, {
from: spender,
}),
diff --git a/packages/contracts/test/utils/artifacts.ts b/packages/contracts/test/utils/artifacts.ts
index 5ddb5cc7f..53f2a4e4e 100644
--- a/packages/contracts/test/utils/artifacts.ts
+++ b/packages/contracts/test/utils/artifacts.ts
@@ -4,6 +4,7 @@ import * as AssetProxyOwner from '../../artifacts/AssetProxyOwner.json';
import * as DummyERC20Token from '../../artifacts/DummyERC20Token.json';
import * as DummyERC721Receiver from '../../artifacts/DummyERC721Receiver.json';
import * as DummyERC721Token from '../../artifacts/DummyERC721Token.json';
+import * as DummyMultipleReturnERC20Token from '../../artifacts/DummyMultipleReturnERC20Token.json';
import * as DummyNoReturnERC20Token from '../../artifacts/DummyNoReturnERC20Token.json';
import * as ERC20Proxy from '../../artifacts/ERC20Proxy.json';
import * as ERC721Proxy from '../../artifacts/ERC721Proxy.json';
@@ -37,6 +38,7 @@ export const artifacts = {
DummyERC20Token: (DummyERC20Token as any) as ContractArtifact,
DummyERC721Receiver: (DummyERC721Receiver as any) as ContractArtifact,
DummyERC721Token: (DummyERC721Token as any) as ContractArtifact,
+ DummyMultipleReturnERC20Token: (DummyMultipleReturnERC20Token as any) as ContractArtifact,
DummyNoReturnERC20Token: (DummyNoReturnERC20Token as any) as ContractArtifact,
ERC20Proxy: (ERC20Proxy as any) as ContractArtifact,
ERC721Proxy: (ERC721Proxy as any) as ContractArtifact,
diff --git a/packages/contracts/test/utils/assertions.ts b/packages/contracts/test/utils/assertions.ts
index 61df800c8..3361a751a 100644
--- a/packages/contracts/test/utils/assertions.ts
+++ b/packages/contracts/test/utils/assertions.ts
@@ -159,7 +159,7 @@ export async function expectTransactionFailedWithoutReasonAsync(p: sendTransacti
* @returns a new Promise which will reject if the conditions are not met and
* otherwise resolve with no value.
*/
-export async function expectContractCallFailed<T>(p: Promise<T>, reason: RevertReason): Promise<void> {
+export async function expectContractCallFailedAsync<T>(p: Promise<T>, reason: RevertReason): Promise<void> {
return expect(p).to.be.rejectedWith(reason);
}
@@ -180,7 +180,20 @@ export async function expectContractCallFailedWithoutReasonAsync<T>(p: Promise<T
* @returns a new Promise which will reject if the conditions are not met and
* otherwise resolve with no value.
*/
-export async function expectContractCreationFailedWithoutReason<T>(p: Promise<T>): Promise<void> {
+export async function expectContractCreationFailedAsync<T>(
+ p: sendTransactionResult,
+ reason: RevertReason,
+): Promise<void> {
+ return expectTransactionFailedAsync(p, reason);
+}
+
+/**
+ * Resolves if the contract creation/deployment fails without a revert reason.
+ * @param p a Promise resulting from a contract creation/deployment
+ * @returns a new Promise which will reject if the conditions are not met and
+ * otherwise resolve with no value.
+ */
+export async function expectContractCreationFailedWithoutReasonAsync<T>(p: Promise<T>): Promise<void> {
const errMessage = await _getTransactionFailedErrorMessageAsync();
return expect(p).to.be.rejectedWith(errMessage);
}
diff --git a/packages/contracts/test/utils/constants.ts b/packages/contracts/test/utils/constants.ts
index ee4378d2e..b9ba8ccb9 100644
--- a/packages/contracts/test/utils/constants.ts
+++ b/packages/contracts/test/utils/constants.ts
@@ -60,6 +60,7 @@ export const constants = {
'MARKET_SELL_ORDERS',
'MATCH_ORDERS',
'CANCEL_ORDER',
+ 'BATCH_CANCEL_ORDERS',
'CANCEL_ORDERS_UP_TO',
'SET_SIGNATURE_VALIDATOR_APPROVAL',
],
diff --git a/packages/contracts/test/utils/web3_wrapper.ts b/packages/contracts/test/utils/web3_wrapper.ts
index acb3103b7..d1cd3d387 100644
--- a/packages/contracts/test/utils/web3_wrapper.ts
+++ b/packages/contracts/test/utils/web3_wrapper.ts
@@ -1,5 +1,5 @@
import { devConstants, env, EnvVars, web3Factory } from '@0xproject/dev-utils';
-import { prependSubprovider } from '@0xproject/subproviders';
+import { prependSubprovider, Web3ProviderEngine } from '@0xproject/subproviders';
import { logUtils } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as _ from 'lodash';
@@ -47,7 +47,7 @@ const ganacheConfigs = {
};
const providerConfigs = testProvider === ProviderType.Ganache ? ganacheConfigs : gethConfigs;
-export const provider = web3Factory.getRpcProvider(providerConfigs);
+export const provider: Web3ProviderEngine = web3Factory.getRpcProvider(providerConfigs);
const isCoverageEnabled = env.parseBoolean(EnvVars.SolidityCoverage);
const isProfilerEnabled = env.parseBoolean(EnvVars.SolidityProfiler);
const isRevertTraceEnabled = env.parseBoolean(EnvVars.SolidityRevertTrace);
diff --git a/packages/contracts/tsconfig.json b/packages/contracts/tsconfig.json
index 86b33ede7..5fd4c5331 100644
--- a/packages/contracts/tsconfig.json
+++ b/packages/contracts/tsconfig.json
@@ -2,13 +2,11 @@
"extends": "../../tsconfig",
"compilerOptions": {
"outDir": "lib",
- "baseUrl": ".",
- "declaration": false,
- "allowJs": true
+ "rootDir": "."
},
"include": [
"./globals.d.ts",
- "./contract_wrappers",
+ "./generated_contract_wrappers",
"./src/**/*",
"./utils/**/*",
"./test/**/*",