diff options
Diffstat (limited to 'packages')
7 files changed, 213 insertions, 131 deletions
diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol index eeddb9707..7ca823d1f 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol @@ -22,69 +22,16 @@ pragma experimental ABIEncoderV2; import "../../utils/LibBytes/LibBytes.sol"; import "./MixinAssetProxy.sol"; import "./MixinAuthorizable.sol"; -import "../../tokens/ERC20Token/IERC20Token.sol"; +import "./MixinERC20Transfer.sol"; contract ERC20Proxy is - LibBytes, MixinAssetProxy, - MixinAuthorizable + MixinAuthorizable, + MixinERC20Transfer { - // Id of this proxy. uint8 constant PROXY_ID = 1; - /// @dev Internal version of `transferFrom`. - /// @param assetData Encoded byte array. - /// @param from Address to transfer asset from. - /// @param to Address to transfer asset to. - /// @param amount Amount of asset to transfer. - function transferFromInternal( - bytes memory assetData, - address from, - address to, - uint256 amount - ) - internal - { - // Decode asset data. - address token = readAddress(assetData, 0); - - // Transfer tokens. - // We do a raw call so we can check the success separate - // from the return data. - bool success = token.call(abi.encodeWithSelector( - IERC20Token(token).transferFrom.selector, - from, - to, - amount - )); - require( - success, - TRANSFER_FAILED - ); - - // Check return data. - // If there is no return data, we assume the token incorrectly - // does not return a bool. In this case we expect it to revert - // on failure, which was handled above. - // If the token does return data, we require that it is a single - // value that evaluates to true. - assembly { - if returndatasize { - success := 0 - if eq(returndatasize, 32) { - // First 64 bytes of memory are reserved scratch space - returndatacopy(0, 0, 32) - success := mload(0) - } - } - } - require( - success, - TRANSFER_FAILED - ); - } - /// @dev Gets the proxy id associated with the proxy address. /// @return Proxy id. function getProxyId() diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol index 861fac2c1..7ff25aea3 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol @@ -22,52 +22,16 @@ pragma experimental ABIEncoderV2; import "../../utils/LibBytes/LibBytes.sol"; import "./MixinAssetProxy.sol"; import "./MixinAuthorizable.sol"; -import "../../tokens/ERC721Token/ERC721Token.sol"; +import "./MixinERC721Transfer.sol"; contract ERC721Proxy is - LibBytes, MixinAssetProxy, - MixinAuthorizable + MixinAuthorizable, + MixinERC721Transfer { - // Id of this proxy. uint8 constant PROXY_ID = 2; - /// @dev Internal version of `transferFrom`. - /// @param assetData Encoded byte array. - /// @param from Address to transfer asset from. - /// @param to Address to transfer asset to. - /// @param amount Amount of asset to transfer. - function transferFromInternal( - bytes memory assetData, - address from, - address to, - uint256 amount - ) - internal - { - // There exists only 1 of each token. - require( - amount == 1, - INVALID_AMOUNT - ); - - // Decode asset data. - ( - address token, - uint256 tokenId, - bytes memory receiverData - ) = decodeERC721AssetData(assetData); - - // Transfer token. Saves gas by calling safeTransferFrom only - // when there is receiverData present. Either succeeds or throws. - if (receiverData.length > 0) { - ERC721Token(token).safeTransferFrom(from, to, tokenId, receiverData); - } else { - ERC721Token(token).transferFrom(from, to, tokenId); - } - } - /// @dev Gets the proxy id associated with the proxy address. /// @return Proxy id. function getProxyId() @@ -77,34 +41,4 @@ contract ERC721Proxy is { return PROXY_ID; } - - /// @dev Decodes ERC721 Asset data. - /// @param assetData Encoded byte array. - /// @return proxyId Intended ERC721 proxy id. - /// @return token ERC721 token address. - /// @return tokenId ERC721 token id. - /// @return receiverData Additional data with no specific format, which - /// is passed to the receiving contract's onERC721Received. - function decodeERC721AssetData(bytes memory assetData) - internal - pure - returns ( - address token, - uint256 tokenId, - bytes memory receiverData - ) - { - // Decode asset data. - token = readAddress(assetData, 0); - tokenId = readUint256(assetData, 20); - if (assetData.length > 52) { - receiverData = readBytes(assetData, 52); - } - - return ( - token, - tokenId, - receiverData - ); - } } diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol new file mode 100644 index 000000000..4af39a00b --- /dev/null +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol @@ -0,0 +1,81 @@ +/* + + 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; +pragma experimental ABIEncoderV2; + +import "../../utils/LibBytes/LibBytes.sol"; +import "../../tokens/ERC20Token/IERC20Token.sol"; +import "./libs/LibTransferErrors.sol"; + +contract MixinERC20Transfer is + LibBytes, + LibTransferErrors +{ + /// @dev Internal version of `transferFrom`. + /// @param assetData Encoded byte array. + /// @param from Address to transfer asset from. + /// @param to Address to transfer asset to. + /// @param amount Amount of asset to transfer. + function transferFromInternal( + bytes memory assetData, + address from, + address to, + uint256 amount + ) + internal + { + // Decode asset data. + address token = readAddress(assetData, 0); + + // Transfer tokens. + // We do a raw call so we can check the success separate + // from the return data. + bool success = token.call(abi.encodeWithSelector( + IERC20Token(token).transferFrom.selector, + from, + to, + amount + )); + require( + success, + TRANSFER_FAILED + ); + + // Check return data. + // If there is no return data, we assume the token incorrectly + // does not return a bool. In this case we expect it to revert + // on failure, which was handled above. + // If the token does return data, we require that it is a single + // value that evaluates to true. + assembly { + if returndatasize { + success := 0 + if eq(returndatasize, 32) { + // First 64 bytes of memory are reserved scratch space + returndatacopy(0, 0, 32) + success := mload(0) + } + } + } + require( + success, + TRANSFER_FAILED + ); + } +} diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol new file mode 100644 index 000000000..d09aba599 --- /dev/null +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol @@ -0,0 +1,94 @@ +/* + + 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; +pragma experimental ABIEncoderV2; + +import "../../utils/LibBytes/LibBytes.sol"; +import "../../tokens/ERC721Token/ERC721Token.sol"; +import "./libs/LibTransferErrors.sol"; + +contract MixinERC721Transfer is + LibBytes, + LibTransferErrors +{ + /// @dev Internal version of `transferFrom`. + /// @param assetData Encoded byte array. + /// @param from Address to transfer asset from. + /// @param to Address to transfer asset to. + /// @param amount Amount of asset to transfer. + function transferFromInternal( + bytes memory assetData, + address from, + address to, + uint256 amount + ) + internal + { + // There exists only 1 of each token. + require( + amount == 1, + INVALID_AMOUNT + ); + + // Decode asset data. + ( + address token, + uint256 tokenId, + bytes memory receiverData + ) = decodeERC721AssetData(assetData); + + // Transfer token. Saves gas by calling safeTransferFrom only + // when there is receiverData present. Either succeeds or throws. + if (receiverData.length > 0) { + ERC721Token(token).safeTransferFrom(from, to, tokenId, receiverData); + } else { + ERC721Token(token).transferFrom(from, to, tokenId); + } + } + + /// @dev Decodes ERC721 Asset data. + /// @param assetData Encoded byte array. + /// @return proxyId Intended ERC721 proxy id. + /// @return token ERC721 token address. + /// @return tokenId ERC721 token id. + /// @return receiverData Additional data with no specific format, which + /// is passed to the receiving contract's onERC721Received. + function decodeERC721AssetData(bytes memory assetData) + internal + pure + returns ( + address token, + uint256 tokenId, + bytes memory receiverData + ) + { + // Decode asset data. + token = readAddress(assetData, 0); + tokenId = readUint256(assetData, 20); + if (assetData.length > 52) { + receiverData = readBytes(assetData, 52); + } + + return ( + token, + tokenId, + receiverData + ); + } +} diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol index 65bdacdb7..dca4f400f 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol @@ -25,8 +25,4 @@ contract LibAssetProxyErrors { string constant TARGET_ALREADY_AUTHORIZED = "TARGET_ALREADY_AUTHORIZED"; // Target address must not already be authorized. string constant INDEX_OUT_OF_BOUNDS = "INDEX_OUT_OF_BOUNDS"; // Specified array index is out of bounds. string constant AUTHORIZED_ADDRESS_MISMATCH = "AUTHORIZED_ADDRESS_MISMATCH"; // Address at index does not match given target address. - - /// AssetProxy errors /// - string constant INVALID_AMOUNT = "INVALID_AMOUNT"; // Transfer amount must equal 1. - string constant TRANSFER_FAILED = "TRANSFER_FAILED"; // Transfer failed. } diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibTransferErrors.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibTransferErrors.sol new file mode 100644 index 000000000..ba784ab22 --- /dev/null +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibTransferErrors.sol @@ -0,0 +1,25 @@ +/* + + 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 LibTransferErrors { + /// Transfer errors /// + string constant INVALID_AMOUNT = "INVALID_AMOUNT"; // Transfer amount must equal 1. + string constant TRANSFER_FAILED = "TRANSFER_FAILED"; // Transfer failed. +} diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts index 5d2eedcb3..6ea69883c 100644 --- a/packages/web3-wrapper/src/web3_wrapper.ts +++ b/packages/web3-wrapper/src/web3_wrapper.ts @@ -491,8 +491,13 @@ export class Web3Wrapper { } private async _sendRawPayloadAsync<A>(payload: Partial<JSONRPCRequestPayload>): Promise<A> { const sendAsync = this._web3.currentProvider.sendAsync.bind(this._web3.currentProvider); - payload.id = this._jsonRpcRequestId++; - const response = await promisify<JSONRPCResponsePayload>(sendAsync)(payload); + const payloadWithDefaults = { + id: this._jsonRpcRequestId++, + params: [], + jsonrpc: '2.0', + ...payload, + }; + const response = await promisify<JSONRPCResponsePayload>(sendAsync)(payloadWithDefaults); const result = response.result; return result; } |