diff options
Diffstat (limited to 'contracts')
8 files changed, 481 insertions, 74 deletions
diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/BalanceThresholdFilter.sol b/contracts/extensions/contracts/BalanceThresholdFilter/BalanceThresholdFilter.sol index ea248793f..16cacd461 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/BalanceThresholdFilter.sol +++ b/contracts/extensions/contracts/BalanceThresholdFilter/BalanceThresholdFilter.sol @@ -17,7 +17,6 @@ */ pragma solidity 0.4.24; -pragma experimental ABIEncoderV2; import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; import "./interfaces/IThresholdAsset.sol"; diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol b/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol index 8d15fe6c8..a8947751a 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol +++ b/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol @@ -62,8 +62,19 @@ contract MixinBalanceThresholdFilterCore is ) external { - // Validate addresses. - validateBalanceThresholdsOrRevert(signerAddress); + // Get accounts whose balances must be validated + address[] memory addressesToValidate = getAddressesToValidate(signerAddress); + + // Validate account balances + uint256 balanceThreshold = BALANCE_THRESHOLD; + IThresholdAsset thresholdAsset = THRESHOLD_ASSET; + for(uint256 i = 0; i < addressesToValidate.length; ++i) { + uint256 addressBalance = thresholdAsset.balanceOf(addressesToValidate[i]); + if (addressBalance < balanceThreshold) { + revert("AT_LEAST_ONE_ADDRESS_DOES_NOT_MEET_BALANCE_THRESHOLD"); + } + } + emit ValidatedAddresses(addressesToValidate); // All addresses are valid. Execute fillOrder. EXCHANGE.executeTransaction( @@ -74,20 +85,15 @@ contract MixinBalanceThresholdFilterCore is ); } - - - /// @dev Validates addresses meet the balance threshold specified by `BALANCE_THRESHOLD` - /// for the asset `THRESHOLD_ASSET`. If one address does not meet the thresold - /// then this function will revert. Which addresses are validated depends on - /// which Exchange function is to be called (defined by `signedExchangeTransaction` above). - /// No parameters are taken as this function reads arguments directly from calldata, to save gas. - /// If all addresses are valid then this function emits a ValidatedAddresses event, listing all - /// of the addresses whose balance thresholds it checked. - function validateBalanceThresholdsOrRevert(address signerAddress) - internal + /// @dev Constructs an array of addresses to be validated. + /// Addresses depend on which Exchange function is to be called + /// (defined by `signedExchangeTransaction` above). + /// @param signerAddress Address of transaction signer. + /// @return addressesToValidate Array of addresses to validate. + function getAddressesToValidate(address signerAddress) + internal pure + returns (address[] memory addressesToValidate) { - // Extract addresses to validate from Exchange calldata - address[] memory addressesToValidate = new address[](0); bytes4 exchangeFunctionSelector = bytes4(exchangeCalldataload(0)); if( exchangeFunctionSelector == batchFillOrdersSelector || @@ -99,21 +105,21 @@ contract MixinBalanceThresholdFilterCore is exchangeFunctionSelector == marketSellOrdersNoThrowSelector ) { addressesToValidate = loadMakerAddressesFromOrderArray(0); - recordAddressToValidate(signerAddress, addressesToValidate); + addressesToValidate = addressesToValidate.append(signerAddress); } else if( exchangeFunctionSelector == fillOrderSelector || exchangeFunctionSelector == fillOrderNoThrowSelector || exchangeFunctionSelector == fillOrKillOrderSelector ) { address makerAddress = loadMakerAddressFromOrder(0); - recordAddressToValidate(makerAddress, addressesToValidate); - recordAddressToValidate(signerAddress, addressesToValidate); + addressesToValidate = addressesToValidate.append(makerAddress); + addressesToValidate = addressesToValidate.append(signerAddress); } else if(exchangeFunctionSelector == matchOrdersSelector) { - address leftOrderAddress = loadMakerAddressFromOrder(0); - recordAddressToValidate(leftOrderAddress, addressesToValidate); - address rightOrderAddress = loadMakerAddressFromOrder(1); - recordAddressToValidate(rightOrderAddress, addressesToValidate); - recordAddressToValidate(signerAddress, addressesToValidate); + address leftMakerAddress = loadMakerAddressFromOrder(0); + addressesToValidate = addressesToValidate.append(leftMakerAddress); + address rightMakerAddress = loadMakerAddressFromOrder(1); + addressesToValidate = addressesToValidate.append(rightMakerAddress); + addressesToValidate = addressesToValidate.append(signerAddress); } else if( exchangeFunctionSelector != cancelOrderSelector && exchangeFunctionSelector != batchCancelOrdersSelector && @@ -121,16 +127,5 @@ contract MixinBalanceThresholdFilterCore is ) { revert("INVALID_OR_BLOCKED_EXCHANGE_SELECTOR"); } - - // Validate account balances - uint256 balanceThreshold = BALANCE_THRESHOLD; - IThresholdAsset thresholdAsset = THRESHOLD_ASSET; - for(uint i = 0; i < addressesToValidate.length; ++i) { - uint256 addressBalance = thresholdAsset.balanceOf(addressesToValidate[i]); - if (addressBalance < balanceThreshold) { - revert("AT_LEAST_ONE_ADDRESS_DOES_NOT_MEET_BALANCE_THRESHOLD"); - } - } - emit ValidatedAddresses(addressesToValidate); } } diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol b/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol new file mode 100644 index 000000000..12f601dea --- /dev/null +++ b/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol @@ -0,0 +1,102 @@ + + /* + + 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/LICENSE2.0 + + 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 "./mixins/MExchangeCalldata.sol"; +import "@0x/contracts-libs/contracts/libs/LibAddressArray.sol"; + + +contract MixinExchangeCalldata is + MExchangeCalldata +{ + + using LibAddressArray for address[]; + + /// @dev Emulates the `calldataload` opcode on the embedded Exchange calldata, + /// which is accessed through `signedExchangeTransaction`. + /// @param offset Offset into the Exchange calldata. + /// @return value Corresponding 32 byte value stored at `offset`. + function exchangeCalldataload(uint256 offset) + internal pure + returns (bytes32 value) + { + assembly { + // Pointer to exchange transaction + // 0x04 for calldata selector + // 0x40 to access `signedExchangeTransaction`, which is the third parameter + let exchangeTxPtr := calldataload(0x44) + + // Offset into Exchange calldata + // We compute this by adding 0x24 to the `exchangeTxPtr` computed above. + // 0x04 for calldata selector + // 0x20 for length field of `signedExchangeTransaction` + let exchangeCalldataOffset := add(exchangeTxPtr, add(0x24, offset)) + value := calldataload(exchangeCalldataOffset) + } + } + + /// @dev Convenience function that skips the 4 byte selector when loading + /// from the embedded Exchange calldata. + /// @param offset Offset into the Exchange calldata (minus the 4 byte selector) + /// @return value Corresponding 32 byte value stored at `offset` + 4. + function loadExchangeData(uint256 offset) + internal pure + returns (bytes32 value) + { + value = exchangeCalldataload(offset + 4); + } + + /// @dev Extracts the maker address from an order stored in the Exchange calldata + /// (which is embedded in `signedExchangeTransaction`). + /// @param orderParamIndex Index of the order in the Exchange function's signature. + /// @return makerAddress The extracted maker address. + function loadMakerAddressFromOrder(uint256 orderParamIndex) + internal pure + returns (address makerAddress) + { + uint256 orderOffsetInBytes = orderParamIndex * 32; + uint256 orderPtr = uint256(loadExchangeData(orderOffsetInBytes)); + makerAddress = address(loadExchangeData(orderPtr)); + return makerAddress; + } + + /// @dev Extracts the maker addresses from an array of orders stored in the Exchange calldata + /// (which is embedded in `signedExchangeTransaction`), and records them in + /// the running list of addresses to validate. + /// @param orderArrayParamIndex Index of the order array in the Exchange function's signature + /// @return makerAddresses The extracted maker addresses. + function loadMakerAddressesFromOrderArray(uint256 orderArrayParamIndex) + internal pure + returns (address[] makerAddresses) + { + uint256 orderArrayOffsetInBytes = orderArrayParamIndex * 32; + uint256 orderArrayPtr = uint256(loadExchangeData(orderArrayOffsetInBytes)); + uint256 orderArrayLength = uint256(loadExchangeData(orderArrayPtr)); + uint256 orderArrayLengthInBytes = orderArrayLength * 32; + uint256 orderArrayElementPtr = orderArrayPtr + 32; + uint256 orderArrayElementEndPtr = orderArrayElementPtr + orderArrayLengthInBytes; + for(uint orderPtrOffset = orderArrayElementPtr; orderPtrOffset < orderArrayElementEndPtr; orderPtrOffset += 32) { + uint256 orderPtr = uint256(loadExchangeData(orderPtrOffset)); + address makerAddress = address(loadExchangeData(orderPtr + orderArrayElementPtr)); + makerAddresses = makerAddresses.append(makerAddress); + } + return makerAddresses; + } +} diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/interfaces/IBalanceThresholdFilterCore.sol b/contracts/extensions/contracts/BalanceThresholdFilter/interfaces/IBalanceThresholdFilterCore.sol new file mode 100644 index 000000000..37e607be1 --- /dev/null +++ b/contracts/extensions/contracts/BalanceThresholdFilter/interfaces/IBalanceThresholdFilterCore.sol @@ -0,0 +1,56 @@ + +/* + + Copyright 2018 ZeroEx Intl. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +*/ + +pragma solidity 0.4.24; + + + +contract IBalanceThresholdFilterCore { + + /// @dev Executes an Exchange transaction iff the maker and taker meet + /// the hold at least `BALANCE_THRESHOLD` of the asset `THRESHOLD_ASSET` OR + /// the exchange function is a cancellation. + /// Supported Exchange functions: + /// - batchFillOrders + /// - batchFillOrdersNoThrow + /// - batchFillOrKillOrders + /// - fillOrder + /// - fillOrderNoThrow + /// - fillOrKillOrder + /// - marketBuyOrders + /// - marketBuyOrdersNoThrow + /// - marketSellOrders + /// - marketSellOrdersNoThrow + /// - matchOrders + /// - cancelOrder + /// - batchCancelOrders + /// - cancelOrdersUpTo + /// Trying to call any other exchange function will throw. + /// @param salt Arbitrary number to ensure uniqueness of transaction hash. + /// @param signerAddress Address of transaction signer. + /// @param signedExchangeTransaction AbiV2 encoded calldata. + /// @param signature Proof of signer transaction by signer. + function executeTransaction( + uint256 salt, + address signerAddress, + bytes signedExchangeTransaction, + bytes signature + ) + external; +}
\ No newline at end of file diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol b/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol index 6aaa729fb..b8b67e6ee 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol +++ b/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol @@ -20,9 +20,12 @@ pragma solidity 0.4.24; import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; import "../interfaces/IThresholdAsset.sol"; +import "../interfaces/IBalanceThresholdFilterCore.sol"; -contract MBalanceThresholdFilterCore { +contract MBalanceThresholdFilterCore is + IBalanceThresholdFilterCore +{ // Points to 0x exchange contract // solhint-disable var-name-mixedcase @@ -40,43 +43,12 @@ contract MBalanceThresholdFilterCore { address[] addresses ); - /// @dev Executes an Exchange transaction iff the maker and taker meet - /// the hold at least `BALANCE_THRESHOLD` of the asset `THRESHOLD_ASSET` OR - /// the exchange function is a cancellation. - /// Supported Exchange functions: - /// - batchFillOrders - /// - batchFillOrdersNoThrow - /// - batchFillOrKillOrders - /// - fillOrder - /// - fillOrderNoThrow - /// - fillOrKillOrder - /// - marketBuyOrders - /// - marketBuyOrdersNoThrow - /// - marketSellOrders - /// - marketSellOrdersNoThrow - /// - matchOrders - /// - cancelOrder - /// - batchCancelOrders - /// - cancelOrdersUpTo - /// Trying to call any other exchange function will throw. - /// @param salt Arbitrary number to ensure uniqueness of transaction hash. + /// @dev Constructs an array of addresses to be validated. + /// Addresses depend on which Exchange function is to be called + /// (defined by `signedExchangeTransaction` above). /// @param signerAddress Address of transaction signer. - /// @param signedExchangeTransaction AbiV2 encoded calldata. - /// @param signature Proof of signer transaction by signer. - function executeTransaction( - uint256 salt, - address signerAddress, - bytes signedExchangeTransaction, - bytes signature - ) - external; - - /// @dev Validates addresses meet the balance threshold specified by `BALANCE_THRESHOLD` - /// for the asset `THRESHOLD_ASSET`. If one address does not meet the thresold - /// then this function will revert. Which addresses are validated depends on - /// which Exchange function is to be called (defined by `signedExchangeTransaction` above). - /// No parameters are taken as this function reads arguments directly from calldata, to save gas. - /// If all addresses are valid then this function emits a ValidatedAddresses event, listing all - /// of the addresses whose balance thresholds it checked. - function validateBalanceThresholdsOrRevert(address signerAddress) internal; + /// @return addressesToValidate Array of addresses to validate. + function getAddressesToValidate(address signerAddress) + internal pure + returns (address[] memory addressesToValidate); } diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MExchangeCalldata.sol b/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MExchangeCalldata.sol new file mode 100644 index 000000000..8e0414c17 --- /dev/null +++ b/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MExchangeCalldata.sol @@ -0,0 +1,57 @@ + + /* + + 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/LICENSE2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +*/ + +pragma solidity 0.4.24; + + +contract MExchangeCalldata { + + /// @dev Emulates the `calldataload` opcode on the embedded Exchange calldata, + /// which is accessed through `signedExchangeTransaction`. + /// @param offset Offset into the Exchange calldata. + /// @return value Corresponding 32 byte value stored at `offset`. + function exchangeCalldataload(uint256 offset) + internal pure + returns (bytes32 value); + + /// @dev Convenience function that skips the 4 byte selector when loading + /// from the embedded Exchange calldata. + /// @param offset Offset into the Exchange calldata (minus the 4 byte selector) + /// @return value Corresponding 32 byte value stored at `offset` + 4. + function loadExchangeData(uint256 offset) + internal pure + returns (bytes32 value); + + /// @dev Extracts the maker address from an order stored in the Exchange calldata + /// (which is embedded in `signedExchangeTransaction`). + /// @param orderParamIndex Index of the order in the Exchange function's signature. + /// @return makerAddress The extracted maker address. + function loadMakerAddressFromOrder(uint256 orderParamIndex) + internal pure + returns (address makerAddress); + + /// @dev Extracts the maker addresses from an array of orders stored in the Exchange calldata + /// (which is embedded in `signedExchangeTransaction`), and records them in + /// the running list of addresses to validate. + /// @param orderArrayParamIndex Index of the order array in the Exchange function's signature + /// @return makerAddresses The extracted maker addresses. + function loadMakerAddressesFromOrderArray(uint256 orderArrayParamIndex) + internal pure + returns (address[] makerAddresses); +} diff --git a/contracts/libs/contracts/libs/LibAddressArray.sol b/contracts/libs/contracts/libs/LibAddressArray.sol new file mode 100644 index 000000000..db76ddedb --- /dev/null +++ b/contracts/libs/contracts/libs/LibAddressArray.sol @@ -0,0 +1,75 @@ +/* + + Copyright 2018 ZeroEx Intl. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +*/ + +pragma solidity 0.4.24; + +import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; + + +library LibAddressArray { + + /// @dev Append a new address to an array of addresses. + /// The `addressArray` may need to be reallocated to make space + /// for the new address. Because of this we return the resulting + /// memory location of `addressArray`. + /// @param addressToAppend Address to append. + /// @return Array of addresses: [... addressArray, addressToAppend] + function append(address[] memory addressArray, address addressToAppend) + internal pure + returns (address[]) + { + // Get stats on address array and free memory + uint256 freeMemPtr = 0; + uint256 addressArrayBeginPtr = 0; + uint256 addressArrayEndPtr = 0; + uint256 addressArrayLength = addressArray.length; + uint256 addressArrayMemSizeInBytes = 32 + (32 * addressArrayLength); + assembly { + freeMemPtr := mload(0x40) + addressArrayBeginPtr := addressArray + addressArrayEndPtr := add(addressArray, addressArrayMemSizeInBytes) + } + + // If free memory begins at the end of `addressArray` + // then we can append `addressToAppend` directly. + // Otherwise, we must copy the array to free memory + // before appending new values to it. + if (freeMemPtr != addressArrayEndPtr) { + LibBytes.memCopy(freeMemPtr, addressArrayBeginPtr, addressArrayMemSizeInBytes); + assembly { + addressArray := freeMemPtr + addressArrayBeginPtr := addressArray + } + } + + // Append `addressToAppend` + addressArrayLength += 1; + addressArrayMemSizeInBytes += 32; + addressArrayEndPtr = addressArrayBeginPtr + addressArrayMemSizeInBytes; + freeMemPtr = addressArrayEndPtr; + assembly { + // Store new array length + mstore(addressArray, addressArrayLength) + + // Update `freeMemPtr` + mstore(0x40, freeMemPtr) + } + addressArray[addressArrayLength - 1] = addressToAppend; + return addressArray; + } +} diff --git a/contracts/libs/contracts/libs/LibExchangeSelectors.sol b/contracts/libs/contracts/libs/LibExchangeSelectors.sol new file mode 100644 index 000000000..6a5344340 --- /dev/null +++ b/contracts/libs/contracts/libs/LibExchangeSelectors.sol @@ -0,0 +1,151 @@ +/* + + Copyright 2018 ZeroEx Intl. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +*/ + +pragma solidity 0.4.24; + + +contract LibExchangeSelectors { + + // allowedValidators + bytes4 constant allowedValidatorsSelector = 0x7b8e3514; + bytes4 constant allowedValidatorsSelectorGenerator = bytes4(keccak256('allowedValidators(address,address)')); + + // assetProxies + bytes4 constant assetProxiesSelector = 0x3fd3c997; + bytes4 constant assetProxiesSelectorGenerator = bytes4(keccak256('assetProxies(bytes4)')); + + // batchCancelOrders + bytes4 constant batchCancelOrdersSelector = 0x4ac14782; + bytes4 constant batchCancelOrdersSelectorGenerator = bytes4(keccak256('batchCancelOrders((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[])')); + + // batchFillOrKillOrders + bytes4 constant batchFillOrKillOrdersSelector = 0x4d0ae546; + bytes4 constant batchFillOrKillOrdersSelectorGenerator = bytes4(keccak256('batchFillOrKillOrders((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],uint256[],bytes[])')); + + // batchFillOrders + bytes4 constant batchFillOrdersSelector = 0x297bb70b; + bytes4 constant batchFillOrdersSelectorGenerator = bytes4(keccak256('batchFillOrders((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],uint256[],bytes[])')); + + // batchFillOrdersNoThrow + bytes4 constant batchFillOrdersNoThrowSelector = 0x50dde190; + bytes4 constant batchFillOrdersNoThrowSelectorGenerator = bytes4(keccak256('batchFillOrdersNoThrow((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],uint256[],bytes[])')); + + // cancelOrder + bytes4 constant cancelOrderSelector = 0xd46b02c3; + bytes4 constant cancelOrderSelectorGenerator = bytes4(keccak256('cancelOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes))')); + + // cancelOrdersUpTo + bytes4 constant cancelOrdersUpToSelector = 0x4f9559b1; + bytes4 constant cancelOrdersUpToSelectorGenerator = bytes4(keccak256('cancelOrdersUpTo(uint256)')); + + // cancelled + bytes4 constant cancelledSelector = 0x2ac12622; + bytes4 constant cancelledSelectorGenerator = bytes4(keccak256('cancelled(bytes32)')); + + // currentContextAddress + bytes4 constant currentContextAddressSelector = 0xeea086ba; + bytes4 constant currentContextAddressSelectorGenerator = bytes4(keccak256('currentContextAddress()')); + + // executeTransaction + bytes4 constant executeTransactionSelector = 0xbfc8bfce; + bytes4 constant executeTransactionSelectorGenerator = bytes4(keccak256('executeTransaction(uint256,address,bytes,bytes)')); + + // fillOrKillOrder + bytes4 constant fillOrKillOrderSelector = 0x64a3bc15; + bytes4 constant fillOrKillOrderSelectorGenerator = bytes4(keccak256('fillOrKillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)')); + + // fillOrder + bytes4 constant fillOrderSelector = 0xb4be83d5; + bytes4 constant fillOrderSelectorGenerator = bytes4(keccak256('fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)')); + + // fillOrderNoThrow + bytes4 constant fillOrderNoThrowSelector = 0x3e228bae; + bytes4 constant fillOrderNoThrowSelectorGenerator = bytes4(keccak256('fillOrderNoThrow((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)')); + + // filled + bytes4 constant filledSelector = 0x288cdc91; + bytes4 constant filledSelectorGenerator = bytes4(keccak256('filled(bytes32)')); + + // getAssetProxy + bytes4 constant getAssetProxySelector = 0x60704108; + bytes4 constant getAssetProxySelectorGenerator = bytes4(keccak256('getAssetProxy(bytes4)')); + + // getOrderInfo + bytes4 constant getOrderInfoSelector = 0xc75e0a81; + bytes4 constant getOrderInfoSelectorGenerator = bytes4(keccak256('getOrderInfo((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes))')); + + // getOrdersInfo + bytes4 constant getOrdersInfoSelector = 0x7e9d74dc; + bytes4 constant getOrdersInfoSelectorGenerator = bytes4(keccak256('getOrdersInfo((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[])')); + + // isValidSignature + bytes4 constant isValidSignatureSelector = 0x93634702; + bytes4 constant isValidSignatureSelectorGenerator = bytes4(keccak256('isValidSignature(bytes32,address,bytes)')); + + // marketBuyOrders + bytes4 constant marketBuyOrdersSelector = 0xe5fa431b; + bytes4 constant marketBuyOrdersSelectorGenerator = bytes4(keccak256('marketBuyOrders((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],uint256,bytes[])')); + + // marketBuyOrdersNoThrow + bytes4 constant marketBuyOrdersNoThrowSelector = 0xa3e20380; + bytes4 constant marketBuyOrdersNoThrowSelectorGenerator = bytes4(keccak256('marketBuyOrdersNoThrow((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],uint256,bytes[])')); + + // marketSellOrders + bytes4 constant marketSellOrdersSelector = 0x7e1d9808; + bytes4 constant marketSellOrdersSelectorGenerator = bytes4(keccak256('marketSellOrders((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],uint256,bytes[])')); + + // marketSellOrdersNoThrow + bytes4 constant marketSellOrdersNoThrowSelector = 0xdd1c7d18; + bytes4 constant marketSellOrdersNoThrowSelectorGenerator = bytes4(keccak256('marketSellOrdersNoThrow((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],uint256,bytes[])')); + + // matchOrders + bytes4 constant matchOrdersSelector = 0x3c28d861; + bytes4 constant matchOrdersSelectorGenerator = bytes4(keccak256('matchOrders((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),(address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),bytes,bytes)')); + + // orderEpoch + bytes4 constant orderEpochSelector = 0xd9bfa73e; + bytes4 constant orderEpochSelectorGenerator = bytes4(keccak256('orderEpoch(address,address)')); + + // owner + bytes4 constant ownerSelector = 0x8da5cb5b; + bytes4 constant ownerSelectorGenerator = bytes4(keccak256('owner()')); + + // preSign + bytes4 constant preSignSelector = 0x3683ef8e; + bytes4 constant preSignSelectorGenerator = bytes4(keccak256('preSign(bytes32,address,bytes)')); + + // preSigned + bytes4 constant preSignedSelector = 0x82c174d0; + bytes4 constant preSignedSelectorGenerator = bytes4(keccak256('preSigned(bytes32,address)')); + + // registerAssetProxy + bytes4 constant registerAssetProxySelector = 0xc585bb93; + bytes4 constant registerAssetProxySelectorGenerator = bytes4(keccak256('registerAssetProxy(address)')); + + // setSignatureValidatorApproval + bytes4 constant setSignatureValidatorApprovalSelector = 0x77fcce68; + bytes4 constant setSignatureValidatorApprovalSelectorGenerator = bytes4(keccak256('setSignatureValidatorApproval(address,bool)')); + + // transactions + bytes4 constant transactionsSelector = 0x642f2eaf; + bytes4 constant transactionsSelectorGenerator = bytes4(keccak256('transactions(bytes32)')); + + // transferOwnership + bytes4 constant transferOwnershipSelector = 0xf2fde38b; + bytes4 constant transferOwnershipSelectorGenerator = bytes4(keccak256('transferOwnership(address)')); +}
\ No newline at end of file |