diff options
17 files changed, 201 insertions, 896 deletions
diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json index e1ea401b3..c54a5cd6a 100644 --- a/packages/contracts/compiler.json +++ b/packages/contracts/compiler.json @@ -32,7 +32,6 @@ "MultiSigWallet", "MultiSigWalletWithTimeLock", "TestAssetProxyOwner", - "TestAssetDataDecoders", "TestAssetProxyDispatcher", "TestLibBytes", "TestLibs", diff --git a/packages/contracts/package.json b/packages/contracts/package.json index 95f2dbb4e..b5a599fe5 100644 --- a/packages/contracts/package.json +++ b/packages/contracts/package.json @@ -20,7 +20,8 @@ "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", "clean": "shx rm -rf lib src/generated_contract_wrappers", "generate_contract_wrappers": @@ -34,7 +35,7 @@ }, "config": { "abis": - "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|ERC20Proxy|ERC721Proxy|Exchange|ExchangeWrapper|IAssetData|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|TestAssetProxyOwner|TestAssetDataDecoders|TestAssetProxyDispatcher|TestLibBytes|TestLibs|TestSignatureValidator|TestValidator|TestWallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json" + "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|ERC20Proxy|ERC721Proxy|Exchange|ExchangeWrapper|IAssetData|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|TestAssetProxyOwner|TestAssetProxyDispatcher|TestLibBytes|TestLibs|TestSignatureValidator|TestValidator|TestWallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json" }, "repository": { "type": "git", diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol index 7dcd2087b..b4780b52b 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol @@ -20,28 +20,16 @@ pragma solidity ^0.4.24; pragma experimental ABIEncoderV2; import "../../utils/LibBytes/LibBytes.sol"; -import "./MixinAssetProxy.sol"; +import "./interfaces/IAssetProxy.sol"; import "./MixinAuthorizable.sol"; -import "./MixinERC20Transfer.sol"; contract ERC20Proxy is - MixinAssetProxy, - MixinAuthorizable, - MixinERC20Transfer + IAssetProxy, + MixinAuthorizable { // Id of this proxy. bytes4 constant PROXY_ID = bytes4(keccak256("ERC20Token(address)")); - /// @dev Gets the proxy id associated with the proxy address. - /// @return Proxy id. - function getProxyId() - external - view - returns (bytes4) - { - return PROXY_ID; - } - /// @dev Internal version of `transferFrom`. /// @param assetData Encoded byte array. /// @param from Address to transfer asset from. @@ -55,6 +43,11 @@ contract ERC20Proxy is ) external { + require( + authorized[msg.sender], + "SENDER_NOT_AUTHORIZED" + ); + // `transferFrom`. // The function is marked `external`, so no abi decodeding is done for // us. Instead, we expect the `calldata` memory to contain the @@ -102,15 +95,6 @@ contract ERC20Proxy is // | | 68 | | 3. amount | assembly { - if iszero(sload(caller)) { - // Revert with `Error("SENDER_NOT_AUTHORIZED")` - mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000) - mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000) - mstore(64, 0x0000001553454e4445525f4e4f545f415554484f52495a454400000000000000) - 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. @@ -170,4 +154,14 @@ contract ERC20Proxy is revert(0, 100) } } + + /// @dev Gets the proxy id associated with the proxy address. + /// @return Proxy id. + function getProxyId() + external + view + 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 f6293f97d..8d7cea717 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol @@ -20,18 +20,181 @@ pragma solidity ^0.4.24; pragma experimental ABIEncoderV2; import "../../utils/LibBytes/LibBytes.sol"; -import "./MixinAssetProxy.sol"; +import "./interfaces/IAssetProxy.sol"; import "./MixinAuthorizable.sol"; -import "./MixinERC721Transfer.sol"; contract ERC721Proxy is - MixinAssetProxy, - MixinAuthorizable, - MixinERC721Transfer + IAssetProxy, + MixinAuthorizable { // Id of this proxy. bytes4 constant PROXY_ID = bytes4(keccak256("ERC721Token(address,uint256,bytes)")); + /// @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 transferFrom( + bytes assetData, + address from, + address to, + uint256 amount + ) + external + { + require( + authorized[msg.sender], + "SENDER_NOT_AUTHORIZED" + ); + + // `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. + // + // 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 | | 3 * 32 | function parameters: | + // | | 4 | 12 + 20 | 1. token address | + // | | 36 | | 2. tokenId | + // | | 68 | | 3. offset to receiverData (*) | + // | Data | | | receiverData: | + // | | 100 | 32 | receiverData Length | + // | | 132 | ** | receiverData Contents | + + // We construct calldata for the `token.safeTransferFrom` ABI. + // The layout of this calldata is in the table below. + // + // | Area | Offset | Length | Contents | + // |----------|--------|---------|-------------------------------------| + // | Header | 0 | 4 | function selector | + // | Params | | 4 * 32 | function parameters: | + // | | 4 | | 1. from | + // | | 36 | | 2. to | + // | | 68 | | 3. tokenId | + // | | 100 | | 4. offset to receiverData (*) | + // | Data | | | receiverData: | + // | | 132 | 32 | receiverData Length | + // | | 164 | ** | receiverData Contents | + + assembly { + // There exists only 1 of each token. + // require(amount == 1, "INVALID_AMOUNT") + if sub(calldataload(100), 1) { + // Revert with `Error("INVALID_AMOUNT")` + mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000) + mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000) + mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000) + mstore(96, 0) + revert(0, 100) + } + + // Require assetData to be at least 132 bytes + let offset := calldataload(4) + if lt(calldataload(add(offset, 4)), 132) { + // Revert with `Error("LENGTH_GREATER_THAN_131_REQUIRED")` + mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000) + mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000) + mstore(64, 0x000000204c454e4754485f475245415445525f5448414e5f3133315f52455155) + mstore(96, 0x4952454400000000000000000000000000000000000000000000000000000000) + revert(0, 100) + } + + /////// Setup State /////// + // `cdStart` is the start of the calldata for + // `token.safeTransferFrom` (equal to free memory ptr). + let cdStart := mload(64) + // `dataAreaLength` is the total number of words + // needed to store `receiverData` + // As-per the ABI spec, this value is padded up to + // the nearest multiple of 32, + // and includes 32-bytes for length. + // It's calculated as folows: + // - Unpadded length in bytes = `mload(receiverData) + 32` + // - Add 31 to convert rounding down to rounding up. + // Combined with the previous and this is `63`. + // - Round down to nearest multiple of 32 by clearing + // bits 0x1F. This is done with `and` and a mask. + + /////// Setup Header Area /////// + // This area holds the 4-byte `transferFromSelector`. + // Any trailing data in transferFromSelector will be + // overwritten in the next `mstore` call. + mstore(cdStart, 0xb88d4fde00000000000000000000000000000000000000000000000000000000) + + /////// Setup Params Area /////// + // Each parameter is padded to 32-bytes. + // The entire Params Area is 128 bytes. + // Notes: + // 1. A 20-byte mask is applied to addresses + // to zero-out the unused bytes. + // 2. The offset to `receiverData` is the length + // of the Params Area (128 bytes). + + let length := calldataload(add(offset, 136)) + let token := calldataload(add(offset, 40)) + + // Round length up to multiple of 32 + length := and(add(length, 31), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0) + + // Copy `from` and `to` + calldatacopy(add(cdStart, 4), 36, 64) + + // TokenId + mstore(add(cdStart, 68), calldataload(add(offset, 72))) + + // Offset to receiverData + mstore(add(cdStart, 100), 128) + + // receiverData (including length) + calldatacopy(add(cdStart, 132), add(offset, 136), add(length, 32)) + + /////// Call `token.safeTransferFrom` using the calldata /////// + let success := call( + gas, // forward all gas + token, // call address of token contract + 0, // don't send any ETH + cdStart, // pointer to start of input + add(length, 164), // length of input + 0, // write output to null + 0 // output size is 0 bytes + ) + if success { + return(0, 0) + } + + // Revert with `Error("TRANSFER_FAILED")` + mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000) + mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000) + mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000) + mstore(96, 0) + revert(0, 100) + } + } + /// @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/MixinAssetProxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol deleted file mode 100644 index 9032658e7..000000000 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol +++ /dev/null @@ -1,75 +0,0 @@ -/* - - Copyright 2018 ZeroEx Intl. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -*/ - -pragma solidity ^0.4.24; -pragma experimental ABIEncoderV2; - -import "./mixins/MAuthorizable.sol"; -import "./mixins/MAssetProxy.sol"; - -contract MixinAssetProxy is - MAuthorizable, - MAssetProxy -{ - - /// @dev Transfers assets. Either succeeds or throws. - /// @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 transferFrom( - bytes assetData, - address from, - address to, - uint256 amount - ) - external - onlyAuthorized - { - transferFromInternal( - assetData, - from, - to, - amount - ); - } - - /// @dev Makes multiple transfers of assets. Either succeeds or throws. - /// @param assetData Array of byte arrays encoded for the respective asset proxy. - /// @param from Array of addresses to transfer assets from. - /// @param to Array of addresses to transfer assets to. - /// @param amounts Array of amounts of assets to transfer. - function batchTransferFrom( - bytes[] memory assetData, - address[] memory from, - address[] memory to, - uint256[] memory amounts - ) - public - onlyAuthorized - { - for (uint256 i = 0; i < assetData.length; i++) { - transferFromInternal( - assetData[i], - from[i], - to[i], - amounts[i] - ); - } - } -} diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAuthorizable.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAuthorizable.sol index 9aa8697ba..3b9584a44 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAuthorizable.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAuthorizable.sol @@ -49,10 +49,6 @@ contract MixinAuthorizable is !authorized[target], "TARGET_ALREADY_AUTHORIZED" ); - - assembly { - sstore(target, 1) - } authorized[target] = true; authorities.push(target); diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol deleted file mode 100644 index 5bd98a1f4..000000000 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol +++ /dev/null @@ -1,115 +0,0 @@ -/* - - Copyright 2018 ZeroEx Intl. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -*/ - -pragma solidity ^0.4.24; -pragma experimental ABIEncoderV2; - -import "./mixins/MAuthorizable.sol"; -import "../../utils/LibBytes/LibBytes.sol"; -import "../../tokens/ERC20Token/IERC20Token.sol"; - -contract MixinERC20Transfer is - MAuthorizable -{ - using LibBytes for bytes; - - /// @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 = assetData.readAddress(16); - - // Transfer tokens. - // We do a raw call so we can check the success separate - // from the return data. - // 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 | - - bytes4 transferFromSelector = IERC20Token(token).transferFrom.selector; - bool success; - assembly { - /////// Setup State /////// - // `cdStart` is the start of the calldata for `token.transferFrom` (equal to free memory ptr). - let cdStart := mload(64) - - /////// Setup Header Area /////// - // This area holds the 4-byte `transferFromSelector`. - // Any trailing data in transferFromSelector will be - // overwritten in the next `mstore` call. - mstore(cdStart, transferFromSelector) - - /////// Setup Params Area /////// - // Each parameter is padded to 32-bytes. - // The entire Params Area is 96 bytes. - // A 20-byte mask is applied to addresses to - // zero-out the unused bytes. - mstore(add(cdStart, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) - mstore(add(cdStart, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) - mstore(add(cdStart, 68), amount) - - /////// Call `token.transferFrom` using the calldata /////// - success := call( - gas, // forward all gas - token, // call address of token contract - 0, // don't send any ETH - cdStart, // pointer to start of input - 100, // length of input - cdStart, // write output over input - 32 // output size should be 32 bytes - ) - - /////// 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 - // nonzero 32 bytes value. - // So the transfer succeeded if the call succeeded and either - // returned nothing, or returned a non-zero 32 byte value. - success := and(success, or( - iszero(returndatasize), - and( - eq(returndatasize, 32), - gt(mload(cdStart), 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 deleted file mode 100644 index 561c2a625..000000000 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol +++ /dev/null @@ -1,331 +0,0 @@ -/* - - Copyright 2018 ZeroEx Intl. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -*/ - -pragma solidity ^0.4.24; -pragma experimental ABIEncoderV2; - -import "./mixins/MAuthorizable.sol"; -import "../../utils/LibBytes/LibBytes.sol"; -import "./libs/LibTransferErrors.sol"; - -contract MixinERC721Transfer is - LibTransferErrors, - MAuthorizable -{ - using LibBytes for bytes; - - bytes4 constant SAFE_TRANSFER_FROM_SELECTOR = bytes4(keccak256("safeTransferFrom(address,address,uint256,bytes)")); - /// @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 transferFrom( - bytes assetData, - address from, - address to, - uint256 amount - ) - external - onlyAuthorized() - { - // `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. - // - // 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 | | 3 * 32 | function parameters: | - // | | 4 | 12 + 20 | 1. token address | - // | | 36 | | 2. tokenId | - // | | 68 | | 3. offset to receiverData (*) | - // | Data | | | receiverData: | - // | | 100 | 32 | receiverData Length | - // | | 132 | ** | receiverData Contents | - - // We construct calldata for the `token.safeTransferFrom` ABI. - // The layout of this calldata is in the table below. - // - // | Area | Offset | Length | Contents | - // |----------|--------|---------|-------------------------------------| - // | Header | 0 | 4 | function selector | - // | Params | | 4 * 32 | function parameters: | - // | | 4 | | 1. from | - // | | 36 | | 2. to | - // | | 68 | | 3. tokenId | - // | | 100 | | 4. offset to receiverData (*) | - // | Data | | | receiverData: | - // | | 132 | 32 | receiverData Length | - // | | 164 | ** | receiverData Contents | - - // bytes4 safeTransferFromSelector = SAFE_TRANSFER_FROM_SELECTOR; - // bool success; - assembly { - // There exists only 1 of each token. - // require(amount == 1, "INVALID_AMOUNT") - if sub(calldataload(100), 1) { - // Revert with `Error("INVALID_AMOUNT")` - mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000) - mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000) - mstore(64, 0x0000000e494e56414c49445f414d4f554e540000000000000000000000000000) - mstore(96, 0) - revert(0, 100) - } - - // Require assetData to be at least 132 bytes - let offset := calldataload(4) - if lt(calldataload(add(offset, 4)), 132) { - // Revert with `Error("ASSET_DATA_TO_SHORT")` - mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000) - mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000) - mstore(64, 0x0000001341535345545f444154415f544f5f53484f5254000000000000000000) - mstore(96, 0) - revert(0, 100) - } - - /////// Setup State /////// - // `cdStart` is the start of the calldata for - // `token.safeTransferFrom` (equal to free memory ptr). - let cdStart := mload(64) - // `dataAreaLength` is the total number of words - // needed to store `receiverData` - // As-per the ABI spec, this value is padded up to - // the nearest multiple of 32, - // and includes 32-bytes for length. - // It's calculated as folows: - // - Unpadded length in bytes = `mload(receiverData) + 32` - // - Add 31 to convert rounding down to rounding up. - // Combined with the previous and this is `63`. - // - Round down to nearest multiple of 32 by clearing - // bits 0x1F. This is done with `and` and a mask. - - /////// Setup Header Area /////// - // This area holds the 4-byte `transferFromSelector`. - // Any trailing data in transferFromSelector will be - // overwritten in the next `mstore` call. - mstore(cdStart, 0xb88d4fde00000000000000000000000000000000000000000000000000000000) - - /////// Setup Params Area /////// - // Each parameter is padded to 32-bytes. - // The entire Params Area is 128 bytes. - // Notes: - // 1. A 20-byte mask is applied to addresses - // to zero-out the unused bytes. - // 2. The offset to `receiverData` is the length - // of the Params Area (128 bytes). - - let length := calldataload(add(offset, 136)) - let token := calldataload(add(offset, 40)) - - // Round length up to multiple of 32 - length := and(add(length, 31), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0) - - // Copy `from` and `to` - calldatacopy(add(cdStart, 4), 36, 64) - - // TokenId - mstore(add(cdStart, 68), calldataload(add(offset, 72))) - - // Offset to receiverData - mstore(add(cdStart, 100), 128) - - // receiverData (including length) - calldatacopy(add(cdStart, 132), add(offset, 136), add(length, 32)) - - /////// Call `token.safeTransferFrom` using the calldata /////// - let success := call( - gas, // forward all gas - token, // call address of token contract - 0, // don't send any ETH - cdStart, // pointer to start of input - add(length, 164), // length of input - 0, // write output to null - 0 // output size is 0 bytes - ) - if success { - return(0, 0) - } - - // Revert with `Error("TRANSFER_FAILED")` - mstore(0, 0x08c379a000000000000000000000000000000000000000000000000000000000) - mstore(32, 0x0000002000000000000000000000000000000000000000000000000000000000) - mstore(64, 0x0000000f5452414e534645525f4641494c454400000000000000000000000000) - mstore(96, 0) - revert(0, 100) - } - } - - /// @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); - - // We construct calldata for the `token.safeTransferFrom` ABI. - // The layout of this calldata is in the table below. - // - // | Area | Offset | Length | Contents | - // |----------|--------|---------|-------------------------------------| - // | Header | 0 | 4 | function selector | - // | Params | | 4 * 32 | function parameters: | - // | | 4 | | 1. from | - // | | 36 | | 2. to | - // | | 68 | | 3. tokenId | - // | | 100 | | 4. offset to receiverData (*) | - // | Data | | | receiverData: | - // | | 132 | 32 | receiverData Length | - // | | 164 | ** | receiverData Contents | - - bytes4 safeTransferFromSelector = SAFE_TRANSFER_FROM_SELECTOR; - bool success; - assembly { - /////// Setup State /////// - // `cdStart` is the start of the calldata for - // `token.safeTransferFrom` (equal to free memory ptr). - let cdStart := mload(64) - // `dataAreaLength` is the total number of words - // needed to store `receiverData` - // As-per the ABI spec, this value is padded up to - // the nearest multiple of 32, - // and includes 32-bytes for length. - // It's calculated as folows: - // - Unpadded length in bytes = `mload(receiverData) + 32` - // - Add 31 to convert rounding down to rounding up. - // Combined with the previous and this is `63`. - // - Round down to nearest multiple of 32 by clearing - // bits 0x1F. This is done with `and` and a mask. - let dataAreaLength := and(add(mload(receiverData), 63), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0) - // `cdEnd` is the end of the calldata for `token.safeTransferFrom`. - let cdEnd := add(cdStart, add(132, dataAreaLength)) - - /////// Setup Header Area /////// - // This area holds the 4-byte `transferFromSelector`. - // Any trailing data in transferFromSelector will be - // overwritten in the next `mstore` call. - mstore(cdStart, safeTransferFromSelector) - - /////// Setup Params Area /////// - // Each parameter is padded to 32-bytes. - // The entire Params Area is 128 bytes. - // Notes: - // 1. A 20-byte mask is applied to addresses - // to zero-out the unused bytes. - // 2. The offset to `receiverData` is the length - // of the Params Area (128 bytes). - mstore(add(cdStart, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) - mstore(add(cdStart, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) - mstore(add(cdStart, 68), tokenId) - mstore(add(cdStart, 100), 128) - - /////// Setup Data Area /////// - // This area holds `receiverData`. - let dataArea := add(cdStart, 132) - for {} lt(dataArea, cdEnd) {} { - mstore(dataArea, mload(receiverData)) - dataArea := add(dataArea, 32) - receiverData := add(receiverData, 32) - } - - /////// Call `token.safeTransferFrom` using the calldata /////// - success := call( - gas, // forward all gas - token, // call address of token contract - 0, // don't send any ETH - cdStart, // pointer to start of input - sub(cdEnd, cdStart), // length of input - cdStart, // write output over input - 0 // output size is 0 bytes - ) - } - require( - success, - TRANSFER_FAILED - ); - } - - /// @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 = assetData.readAddress(16); - tokenId = assetData.readUint256(36); - receiverData = assetData.readBytesWithLength(100); - - return ( - token, - tokenId, - receiverData - ); - } -} 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 d12d23610..ae8e195da 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetProxy.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetProxy.sol @@ -38,19 +38,6 @@ contract IAssetProxy is ) external; - /// @dev Makes multiple transfers of assets. Either succeeds or throws. - /// @param assetData Array of byte arrays encoded for the respective asset proxy. - /// @param from Array of addresses to transfer assets from. - /// @param to Array of addresses to transfer assets to. - /// @param amounts Array of amounts of assets to transfer. - function batchTransferFrom( - bytes[] memory assetData, - address[] memory from, - address[] memory to, - uint256[] memory amounts - ) - public; - /// @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/libs/LibAssetProxyErrors.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol index b0b20c044..338cb12e2 100644 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol +++ b/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol @@ -23,9 +23,14 @@ pragma solidity ^0.4.24; contract LibAssetProxyErrors { /// Authorizable errors /// - string constant SENDER_NOT_AUTHORIZED = "SENDER_NOT_AUTHORIZED"; // Sender not authorized to call this method. - string constant TARGET_NOT_AUTHORIZED = "TARGET_NOT_AUTHORIZED"; // Target address not authorized to call this method. - 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. + string constant SENDER_NOT_AUTHORIZED = "SENDER_NOT_AUTHORIZED"; // Sender not authorized to call this method. + string constant TARGET_NOT_AUTHORIZED = "TARGET_NOT_AUTHORIZED"; // Target address not authorized to call this method. + 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. + + /// Transfer errors /// + string constant INVALID_AMOUNT = "INVALID_AMOUNT"; // Transfer amount must equal 1. + string constant TRANSFER_FAILED = "TRANSFER_FAILED"; // Transfer failed. + string constant LENGTH_GREATER_THAN_131_REQUIRED = "LENGTH_GREATER_THAN_131_REQUIRED"; // Byte array must have a length greater than 0. } diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibTransferErrors.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibTransferErrors.sol deleted file mode 100644 index 98bca31b2..000000000 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibTransferErrors.sol +++ /dev/null @@ -1,29 +0,0 @@ -/* - - Copyright 2018 ZeroEx Intl. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -*/ - -pragma solidity ^0.4.24; - -/// @dev This contract documents the revert reasons used in the `transferFrom` methods of different AssetProxy contracts. -/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons. -contract LibTransferErrors { - - /// Transfer errors /// - string constant INVALID_AMOUNT = "INVALID_AMOUNT"; // Transfer amount must equal 1. - string constant TRANSFER_FAILED = "TRANSFER_FAILED"; // Transfer failed. - string constant ASSET_DATA_TO_SHORT = "ASSET_DATA_TO_SHORT"; // Asset data to short -} diff --git a/packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol b/packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol deleted file mode 100644 index a52cb56f9..000000000 --- a/packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol +++ /dev/null @@ -1,40 +0,0 @@ -/* - - Copyright 2018 ZeroEx Intl. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -*/ - -pragma solidity ^0.4.24; -pragma experimental ABIEncoderV2; - -import "../interfaces/IAssetProxy.sol"; - -contract MAssetProxy is - IAssetProxy -{ - - /// @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; -} diff --git a/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol b/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol index 3203322aa..93e752af3 100644 --- a/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol +++ b/packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol @@ -135,7 +135,6 @@ contract MixinAssetProxyDispatcher is // | | 132 | 32 | assetData Length | // | | 164 | ** | assetData Contents | - bytes4 transferFromSelector = IAssetProxy(assetProxy).transferFrom.selector; bool success; assembly { /////// Setup State /////// @@ -151,7 +150,8 @@ contract MixinAssetProxyDispatcher is /////// Setup Header Area /////// // This area holds the 4-byte `transferFromSelector`. - mstore(cdStart, transferFromSelector) + // bytes4(keccak256("transferFrom(bytes,address,address,uint256)")) = 0xa85e59e4 + mstore(cdStart, 0xa85e59e400000000000000000000000000000000000000000000000000000000) /////// Setup Params Area /////// // Each parameter is padded to 32-bytes. The entire Params Area is 128 bytes. diff --git a/packages/contracts/src/contracts/current/test/TestAssetDataDecoders/TestAssetDataDecoders.sol b/packages/contracts/src/contracts/current/test/TestAssetDataDecoders/TestAssetDataDecoders.sol deleted file mode 100644 index 5987291d2..000000000 --- a/packages/contracts/src/contracts/current/test/TestAssetDataDecoders/TestAssetDataDecoders.sol +++ /dev/null @@ -1,56 +0,0 @@ -/* - - Copyright 2018 ZeroEx Intl. - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -*/ - -pragma solidity ^0.4.24; -pragma experimental ABIEncoderV2; - -import "../../protocol/AssetProxy/ERC20Proxy.sol"; -import "../../protocol/AssetProxy/ERC721Proxy.sol"; - -contract TestAssetDataDecoders is - ERC721Proxy -{ - /// @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 publicDecodeERC721Data(bytes memory assetData) - public - pure - returns ( - address token, - uint256 tokenId, - bytes memory receiverData - ) - { - ( - token, - tokenId, - receiverData - ) = decodeERC721AssetData(assetData); - - return ( - token, - tokenId, - receiverData - ); - } -} diff --git a/packages/contracts/src/utils/artifacts.ts b/packages/contracts/src/utils/artifacts.ts index a46bab9ae..d58e7973c 100644 --- a/packages/contracts/src/utils/artifacts.ts +++ b/packages/contracts/src/utils/artifacts.ts @@ -11,7 +11,6 @@ import * as ExchangeWrapper from '../artifacts/ExchangeWrapper.json'; import * as MixinAuthorizable from '../artifacts/MixinAuthorizable.json'; import * as MultiSigWallet from '../artifacts/MultiSigWallet.json'; import * as MultiSigWalletWithTimeLock from '../artifacts/MultiSigWalletWithTimeLock.json'; -import * as TestAssetDataDecoders from '../artifacts/TestAssetDataDecoders.json'; import * as TestAssetProxyDispatcher from '../artifacts/TestAssetProxyDispatcher.json'; import * as TestAssetProxyOwner from '../artifacts/TestAssetProxyOwner.json'; import * as TestLibBytes from '../artifacts/TestLibBytes.json'; @@ -39,7 +38,6 @@ export const artifacts = { MultiSigWalletWithTimeLock: (MultiSigWalletWithTimeLock as any) as ContractArtifact, TestAssetProxyOwner: (TestAssetProxyOwner as any) as ContractArtifact, TestAssetProxyDispatcher: (TestAssetProxyDispatcher as any) as ContractArtifact, - TestAssetDataDecoders: (TestAssetDataDecoders as any) as ContractArtifact, TestLibBytes: (TestLibBytes as any) as ContractArtifact, TestLibs: (TestLibs as any) as ContractArtifact, TestSignatureValidator: (TestSignatureValidator as any) as ContractArtifact, diff --git a/packages/contracts/test/asset_proxy/decoder.ts b/packages/contracts/test/asset_proxy/decoder.ts deleted file mode 100644 index 902255caf..000000000 --- a/packages/contracts/test/asset_proxy/decoder.ts +++ /dev/null @@ -1,84 +0,0 @@ -import { BlockchainLifecycle } from '@0xproject/dev-utils'; -import { assetProxyUtils, generatePseudoRandomSalt } from '@0xproject/order-utils'; -import { BigNumber } from '@0xproject/utils'; -import * as chai from 'chai'; -import ethUtil = require('ethereumjs-util'); - -import { TestAssetDataDecodersContract } from '../../src/generated_contract_wrappers/test_asset_data_decoders'; -import { artifacts } from '../../src/utils/artifacts'; -import { chaiSetup } from '../../src/utils/chai_setup'; -import { provider, txDefaults, web3Wrapper } from '../../src/utils/web3_wrapper'; - -chaiSetup.configure(); -const expect = chai.expect; -const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper); - -describe('TestAssetDataDecoders', () => { - let testAssetProxyDecoder: TestAssetDataDecodersContract; - let testAddress: string; - - before(async () => { - await blockchainLifecycle.startAsync(); - }); - after(async () => { - await blockchainLifecycle.revertAsync(); - }); - before(async () => { - // Setup accounts & addresses - const accounts = await web3Wrapper.getAvailableAddressesAsync(); - testAddress = accounts[0]; - testAssetProxyDecoder = await TestAssetDataDecodersContract.deployFrom0xArtifactAsync( - artifacts.TestAssetDataDecoders, - provider, - txDefaults, - ); - }); - beforeEach(async () => { - await blockchainLifecycle.startAsync(); - }); - afterEach(async () => { - await blockchainLifecycle.revertAsync(); - }); - - describe('Asset Data Decoders', () => { - it('should correctly decode ERC721 asset data', async () => { - const tokenId = generatePseudoRandomSalt(); - const encodedAssetData = assetProxyUtils.encodeERC721AssetData(testAddress, tokenId); - const expectedDecodedAssetData = assetProxyUtils.decodeERC721AssetData(encodedAssetData); - let decodedTokenAddress: string; - let decodedTokenId: BigNumber; - let decodedData: string; - [ - decodedTokenAddress, - decodedTokenId, - decodedData, - ] = await testAssetProxyDecoder.publicDecodeERC721Data.callAsync(encodedAssetData); - expect(decodedTokenAddress).to.be.equal(expectedDecodedAssetData.tokenAddress); - expect(decodedTokenId).to.be.bignumber.equal(expectedDecodedAssetData.tokenId); - expect(decodedData).to.be.equal(expectedDecodedAssetData.receiverData); - }); - - it('should correctly decode ERC721 asset data with receiver data', async () => { - const tokenId = generatePseudoRandomSalt(); - const receiverDataFirst32Bytes = ethUtil.bufferToHex( - assetProxyUtils.encodeUint256(generatePseudoRandomSalt()), - ); - const receiverDataExtraBytes = 'FFFF'; - // We add extra bytes to generate a value that doesn't fit perfectly into one word - const receiverData = receiverDataFirst32Bytes + receiverDataExtraBytes; - const encodedAssetData = assetProxyUtils.encodeERC721AssetData(testAddress, tokenId, receiverData); - const expectedDecodedAssetData = assetProxyUtils.decodeERC721AssetData(encodedAssetData); - let decodedTokenAddress: string; - let decodedTokenId: BigNumber; - let decodedReceiverData: string; - [ - decodedTokenAddress, - decodedTokenId, - decodedReceiverData, - ] = await testAssetProxyDecoder.publicDecodeERC721Data.callAsync(encodedAssetData); - expect(decodedTokenAddress).to.be.equal(expectedDecodedAssetData.tokenAddress); - expect(decodedTokenId).to.be.bignumber.equal(expectedDecodedAssetData.tokenId); - expect(decodedReceiverData).to.be.equal(expectedDecodedAssetData.receiverData); - }); - }); -}); diff --git a/packages/contracts/test/asset_proxy/proxies.ts b/packages/contracts/test/asset_proxy/proxies.ts index 7960e46d2..5a5289508 100644 --- a/packages/contracts/test/asset_proxy/proxies.ts +++ b/packages/contracts/test/asset_proxy/proxies.ts @@ -5,7 +5,6 @@ import { BigNumber } from '@0xproject/utils'; import * as chai from 'chai'; import { LogWithDecodedArgs } from 'ethereum-types'; import ethUtil = require('ethereumjs-util'); -import * as _ from 'lodash'; import { DummyERC20TokenContract } from '../../src/generated_contract_wrappers/dummy_e_r_c20_token'; import { @@ -189,58 +188,6 @@ describe('Asset Transfer Proxies', () => { }); }); - describe('batchTransferFrom', () => { - it('should succesfully make multiple token transfers', async () => { - const erc20Balances = await erc20Wrapper.getBalancesAsync(); - - const encodedAssetData = assetProxyUtils.encodeERC20AssetData(zrxToken.address); - const amount = new BigNumber(10); - const numTransfers = 2; - const assetData = _.times(numTransfers, () => encodedAssetData); - const fromAddresses = _.times(numTransfers, () => makerAddress); - const toAddresses = _.times(numTransfers, () => takerAddress); - const amounts = _.times(numTransfers, () => amount); - - const txHash = await erc20Proxy.batchTransferFrom.sendTransactionAsync( - assetData, - fromAddresses, - toAddresses, - amounts, - { from: exchangeAddress }, - ); - const res = await web3Wrapper.awaitTransactionSuccessAsync( - txHash, - constants.AWAIT_TRANSACTION_MINED_MS, - ); - const newBalances = await erc20Wrapper.getBalancesAsync(); - - expect(res.logs.length).to.equal(numTransfers); - expect(newBalances[makerAddress][zrxToken.address]).to.be.bignumber.equal( - erc20Balances[makerAddress][zrxToken.address].minus(amount.times(numTransfers)), - ); - expect(newBalances[takerAddress][zrxToken.address]).to.be.bignumber.equal( - erc20Balances[takerAddress][zrxToken.address].add(amount.times(numTransfers)), - ); - }); - - it('should throw if not called by an authorized address', async () => { - const encodedAssetData = assetProxyUtils.encodeERC20AssetData(zrxToken.address); - const amount = new BigNumber(10); - const numTransfers = 2; - const assetData = _.times(numTransfers, () => encodedAssetData); - const fromAddresses = _.times(numTransfers, () => makerAddress); - const toAddresses = _.times(numTransfers, () => takerAddress); - const amounts = _.times(numTransfers, () => amount); - - return expectRevertReasonOrAlwaysFailingTransactionAsync( - erc20Proxy.batchTransferFrom.sendTransactionAsync(assetData, fromAddresses, toAddresses, amounts, { - from: notAuthorized, - }), - RevertReason.SenderNotAuthorized, - ); - }); - }); - it('should have an id of 0xf47261b0', async () => { const proxyId = await erc20Proxy.getProxyId.callAsync(); const expectedProxyId = '0xf47261b0'; @@ -440,61 +387,6 @@ describe('Asset Transfer Proxies', () => { }); }); - describe('batchTransferFrom', () => { - it('should succesfully make multiple token transfers', async () => { - const erc721TokensById = await erc721Wrapper.getBalancesAsync(); - const [makerTokenIdA, makerTokenIdB] = erc721TokensById[makerAddress][erc721Token.address]; - - const numTransfers = 2; - const assetData = [ - assetProxyUtils.encodeERC721AssetData(erc721Token.address, makerTokenIdA), - assetProxyUtils.encodeERC721AssetData(erc721Token.address, makerTokenIdB), - ]; - const fromAddresses = _.times(numTransfers, () => makerAddress); - const toAddresses = _.times(numTransfers, () => takerAddress); - const amounts = _.times(numTransfers, () => new BigNumber(1)); - - const txHash = await erc721Proxy.batchTransferFrom.sendTransactionAsync( - assetData, - fromAddresses, - toAddresses, - amounts, - { from: exchangeAddress }, - ); - const res = await web3Wrapper.awaitTransactionSuccessAsync( - txHash, - constants.AWAIT_TRANSACTION_MINED_MS, - ); - expect(res.logs.length).to.equal(numTransfers); - - const newOwnerMakerAssetA = await erc721Token.ownerOf.callAsync(makerTokenIdA); - const newOwnerMakerAssetB = await erc721Token.ownerOf.callAsync(makerTokenIdB); - expect(newOwnerMakerAssetA).to.be.bignumber.equal(takerAddress); - expect(newOwnerMakerAssetB).to.be.bignumber.equal(takerAddress); - }); - - it('should throw if not called by an authorized address', async () => { - const erc721TokensById = await erc721Wrapper.getBalancesAsync(); - const [makerTokenIdA, makerTokenIdB] = erc721TokensById[makerAddress][erc721Token.address]; - - const numTransfers = 2; - const assetData = [ - assetProxyUtils.encodeERC721AssetData(erc721Token.address, makerTokenIdA).slice(0, -2), - assetProxyUtils.encodeERC721AssetData(erc721Token.address, makerTokenIdB).slice(0, -2), - ]; - const fromAddresses = _.times(numTransfers, () => makerAddress); - const toAddresses = _.times(numTransfers, () => takerAddress); - const amounts = _.times(numTransfers, () => new BigNumber(1)); - - return expectRevertReasonOrAlwaysFailingTransactionAsync( - erc721Proxy.batchTransferFrom.sendTransactionAsync(assetData, fromAddresses, toAddresses, amounts, { - from: notAuthorized, - }), - RevertReason.SenderNotAuthorized, - ); - }); - }); - it('should have an id of 0x08e937fa', async () => { const proxyId = await erc721Proxy.getProxyId.callAsync(); const expectedProxyId = '0x08e937fa'; |