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-rw-r--r--packages/contracts/compiler.json1
-rw-r--r--packages/contracts/package.json5
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/ERC20Proxy.sol42
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/ERC721Proxy.sol173
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAssetProxy.sol75
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/MixinAuthorizable.sol4
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC20Transfer.sol115
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/MixinERC721Transfer.sol331
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/interfaces/IAssetProxy.sol13
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibAssetProxyErrors.sol15
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/libs/LibTransferErrors.sol29
-rw-r--r--packages/contracts/src/contracts/current/protocol/AssetProxy/mixins/MAssetProxy.sol40
-rw-r--r--packages/contracts/src/contracts/current/protocol/Exchange/MixinAssetProxyDispatcher.sol4
-rw-r--r--packages/contracts/src/contracts/current/test/TestAssetDataDecoders/TestAssetDataDecoders.sol56
-rw-r--r--packages/contracts/src/utils/artifacts.ts2
-rw-r--r--packages/contracts/test/asset_proxy/decoder.ts84
-rw-r--r--packages/contracts/test/asset_proxy/proxies.ts108
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';