From a98ecc05af5b264f981087005bb3fa041d5c8756 Mon Sep 17 00:00:00 2001 From: Remco Bloemen Date: Thu, 21 Jun 2018 20:00:48 +0200 Subject: ABI encoded asset data --- .../current/protocol/AssetProxy/ERC20Proxy.sol | 4 +-- .../current/protocol/AssetProxy/ERC721Proxy.sol | 4 +-- .../protocol/AssetProxy/MixinERC20Transfer.sol | 2 +- .../protocol/AssetProxy/MixinERC721Transfer.sol | 8 ++---- .../protocol/AssetProxy/interfaces/IAssetData.sol | 33 ++++++++++++++++++++++ .../protocol/AssetProxy/interfaces/IAssetProxy.sol | 3 +- .../Exchange/MixinAssetProxyDispatcher.sol | 20 ++++--------- .../Exchange/interfaces/IAssetProxyDispatcher.sol | 4 +-- .../Exchange/mixins/MAssetProxyDispatcher.sol | 2 +- 9 files changed, 51 insertions(+), 29 deletions(-) create mode 100644 packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetData.sol (limited to 'packages') diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol index 7ca823d1f..69e2dc913 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol @@ -30,14 +30,14 @@ contract ERC20Proxy is MixinERC20Transfer { // Id of this proxy. - uint8 constant PROXY_ID = 1; + bytes4 constant PROXY_ID = 1; /// @dev Gets the proxy id associated with the proxy address. /// @return Proxy id. function getProxyId() external view - returns (uint8) + returns (bytes4) { return PROXY_ID; } diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol index 7ff25aea3..7a1b13d80 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol @@ -30,14 +30,14 @@ contract ERC721Proxy is MixinERC721Transfer { // Id of this proxy. - uint8 constant PROXY_ID = 2; + bytes4 constant PROXY_ID = 2; /// @dev Gets the proxy id associated with the proxy address. /// @return Proxy id. function getProxyId() external view - returns (uint8) + returns (bytes4) { return PROXY_ID; } diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol index 0e7f3fc89..deac59f4d 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol @@ -42,7 +42,7 @@ contract MixinERC20Transfer is internal { // Decode asset data. - address token = assetData.readAddress(0); + address token = assetData.readAddress(16); // Transfer tokens. // We do a raw call so we can check the success separate diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol index 944068bbb..ebc879644 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol @@ -79,11 +79,9 @@ contract MixinERC721Transfer is ) { // Decode asset data. - token = assetData.readAddress(0); - tokenId = assetData.readUint256(20); - if (assetData.length > 52) { - receiverData = assetData.readBytesWithLength(52); - } + token = assetData.readAddress(16); + tokenId = assetData.readUint256(36); + receiverData = assetData.readBytesWithLength(100); return ( token, diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetData.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetData.sol new file mode 100644 index 000000000..6f49a8ba9 --- /dev/null +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetData.sol @@ -0,0 +1,33 @@ +/* + + Copyright 2018 ZeroEx Intl. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +*/ + +pragma solidity ^0.4.23; + +interface IAssetData { + + function ERC20Token( + address tokenContract) + external pure; + + function ERC721Token( + address tokenContract, + uint256 tokenId, + bytes receiverData) + external pure; + +} diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetProxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetProxy.sol index 22f43b12f..d12d23610 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetProxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetProxy.sol @@ -56,6 +56,5 @@ contract IAssetProxy is function getProxyId() external view - returns (uint8); + returns (bytes4); } - diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol index 1d07587e9..da0beefde 100644 --- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol +++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol @@ -32,7 +32,7 @@ contract MixinAssetProxyDispatcher is using LibBytes for bytes; // Mapping from Asset Proxy Id's to their respective Asset Proxy - mapping (uint8 => IAssetProxy) public assetProxies; + mapping (bytes4 => IAssetProxy) public assetProxies; /// @dev Registers an asset proxy to an asset proxy id. /// An id can only be assigned to a single proxy at a given time. @@ -40,7 +40,7 @@ contract MixinAssetProxyDispatcher is /// @param newAssetProxy Address of new asset proxy to register, or 0x0 to unset assetProxyId. /// @param oldAssetProxy Existing asset proxy to overwrite, or 0x0 if assetProxyId is currently unused. function registerAssetProxy( - uint8 assetProxyId, + bytes4 assetProxyId, address newAssetProxy, address oldAssetProxy ) @@ -58,7 +58,7 @@ contract MixinAssetProxyDispatcher is // Ensure that the id of newAssetProxy matches the passed in assetProxyId, unless it is being reset to 0. if (newAssetProxy != address(0)) { - uint8 newAssetProxyId = assetProxy.getProxyId(); + bytes4 newAssetProxyId = assetProxy.getProxyId(); require( newAssetProxyId == assetProxyId, ASSET_PROXY_ID_MISMATCH @@ -77,7 +77,7 @@ contract MixinAssetProxyDispatcher is /// @dev Gets an asset proxy. /// @param assetProxyId Id of the asset proxy. /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered. - function getAssetProxy(uint8 assetProxyId) + function getAssetProxy(bytes4 assetProxyId) external view returns (address) @@ -101,15 +101,7 @@ contract MixinAssetProxyDispatcher is // Do nothing if no amount should be transferred. if (amount > 0) { // Lookup assetProxy - uint8 assetProxyId = uint8(assetData[assetData.length - 1]); - - bytes memory assetDataP = new bytes(assetData.length - 1); - LibBytes.memCopy( - assetDataP.contentAddress(), - assetData.contentAddress(), - assetDataP.length - ); - + bytes4 assetProxyId = assetData.readBytes4(0); IAssetProxy assetProxy = assetProxies[assetProxyId]; // Ensure that assetProxy exists require( @@ -118,7 +110,7 @@ contract MixinAssetProxyDispatcher is ); // transferFrom will either succeed or throw. assetProxy.transferFrom( - assetDataP, + assetData, from, to, amount diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol b/packages/contracts/src/contracts/current/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol index 2c331dc34..fa55dff00 100644 --- a/packages/contracts/src/contracts/current/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol +++ b/packages/contracts/src/contracts/current/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol @@ -26,7 +26,7 @@ contract IAssetProxyDispatcher { /// @param newAssetProxy Address of new asset proxy to register, or 0x0 to unset assetProxyId. /// @param oldAssetProxy Existing asset proxy to overwrite, or 0x0 if assetProxyId is currently unused. function registerAssetProxy( - uint8 assetProxyId, + bytes4 assetProxyId, address newAssetProxy, address oldAssetProxy ) @@ -35,7 +35,7 @@ contract IAssetProxyDispatcher { /// @dev Gets an asset proxy. /// @param assetProxyId Id of the asset proxy. /// @return The asset proxy registered to assetProxyId. Returns 0x0 if no proxy is registered. - function getAssetProxy(uint8 assetProxyId) + function getAssetProxy(bytes4 assetProxyId) external view returns (address); diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol index 970082a61..c2b506dcf 100644 --- a/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol +++ b/packages/contracts/src/contracts/current/protocol/Exchange/mixins/MAssetProxyDispatcher.sol @@ -27,7 +27,7 @@ contract MAssetProxyDispatcher is // Logs registration of new asset proxy event AssetProxySet( - uint8 id, // Id of new registered AssetProxy. + bytes4 id, // Id of new registered AssetProxy. address newAssetProxy, // Address of new registered AssetProxy. address oldAssetProxy // Address of AssetProxy that was overwritten at given id (or null address). ); -- cgit v1.2.3