diff options
author | Amir Bandeali <abandeali1@gmail.com> | 2018-07-07 06:08:14 +0800 |
---|---|---|
committer | Amir Bandeali <abandeali1@gmail.com> | 2018-07-08 13:11:36 +0800 |
commit | 462f1f00d8151ad17f8909f2c07dbc807a0df87d (patch) | |
tree | cd4a7dece270466472d744b758047f3b3bd36510 | |
parent | 1c80bba4ddcb01cb8e3694f86d3f81e7164b8991 (diff) | |
download | dexon-0x-contracts-462f1f00d8151ad17f8909f2c07dbc807a0df87d.tar dexon-0x-contracts-462f1f00d8151ad17f8909f2c07dbc807a0df87d.tar.gz dexon-0x-contracts-462f1f00d8151ad17f8909f2c07dbc807a0df87d.tar.bz2 dexon-0x-contracts-462f1f00d8151ad17f8909f2c07dbc807a0df87d.tar.lz dexon-0x-contracts-462f1f00d8151ad17f8909f2c07dbc807a0df87d.tar.xz dexon-0x-contracts-462f1f00d8151ad17f8909f2c07dbc807a0df87d.tar.zst dexon-0x-contracts-462f1f00d8151ad17f8909f2c07dbc807a0df87d.zip |
Combine mixins
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/Forwarder.sol | 10 | ||||
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/MixinERC721.sol | 66 | ||||
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/MixinFees.sol (renamed from packages/contracts/src/2.0.0/forwarder/MixinWethFees.sol) | 8 | ||||
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol (renamed from packages/contracts/src/2.0.0/forwarder/MixinMarketBuyTokens.sol) | 175 | ||||
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/MixinMarketSellTokens.sol | 197 | ||||
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/MixinTransfer.sol (renamed from packages/contracts/src/2.0.0/forwarder/MixinERC20.sol) | 46 |
6 files changed, 218 insertions, 284 deletions
diff --git a/packages/contracts/src/2.0.0/forwarder/Forwarder.sol b/packages/contracts/src/2.0.0/forwarder/Forwarder.sol index 38128d93e..0542736a3 100644 --- a/packages/contracts/src/2.0.0/forwarder/Forwarder.sol +++ b/packages/contracts/src/2.0.0/forwarder/Forwarder.sol @@ -19,9 +19,8 @@ pragma solidity 0.4.24; pragma experimental ABIEncoderV2; -import "./MixinWethFees.sol"; -import "./MixinMarketSellTokens.sol"; -import "./MixinMarketBuyTokens.sol"; +import "./MixinFees.sol"; +import "./MixinForwarderCore.sol"; import "./MixinConstants.sol"; import "../utils/Ownable/Ownable.sol"; @@ -29,10 +28,9 @@ import "../utils/Ownable/Ownable.sol"; contract Forwarder is Ownable, MixinConstants, - MixinWethFees, + MixinFees, MixinMarketBuyZrx, - MixinMarketBuyTokens, - MixinMarketSellTokens + MixinForwarderCore { uint256 constant internal MAX_UINT = 2**256 - 1; diff --git a/packages/contracts/src/2.0.0/forwarder/MixinERC721.sol b/packages/contracts/src/2.0.0/forwarder/MixinERC721.sol deleted file mode 100644 index b5be223b6..000000000 --- a/packages/contracts/src/2.0.0/forwarder/MixinERC721.sol +++ /dev/null @@ -1,66 +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 "../utils/LibBytes/LibBytes.sol"; -import "../tokens/ERC721Token/IERC721Token.sol"; - - -contract MixinERC721 { - - using LibBytes for bytes; - - bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256("onERC721Received(address,uint256,bytes)")); - bytes4 constant internal ERC721_RECEIVED_OPERATOR = bytes4(keccak256("onERC721Received(address,address,uint256,bytes)")); - - function onERC721Received(address, uint256, bytes memory) - public - pure - returns(bytes4) - { - return ERC721_RECEIVED; - } - - function onERC721Received(address, address, uint256, bytes memory) - public - pure - returns(bytes4) - { - return ERC721_RECEIVED_OPERATOR; - } - - function transferERC721Token( - bytes memory assetData, - address to - ) - internal - { - // Decode asset data. - address token = assetData.readAddress(16); - uint256 tokenId = assetData.readUint256(36); - bytes memory receiverData = assetData.readBytesWithLength(100); - IERC721Token(token).safeTransferFrom( - address(this), - to, - tokenId, - receiverData - ); - } -} diff --git a/packages/contracts/src/2.0.0/forwarder/MixinWethFees.sol b/packages/contracts/src/2.0.0/forwarder/MixinFees.sol index c8069aa8c..c32658630 100644 --- a/packages/contracts/src/2.0.0/forwarder/MixinWethFees.sol +++ b/packages/contracts/src/2.0.0/forwarder/MixinFees.sol @@ -22,14 +22,14 @@ import "../protocol/Exchange/libs/LibMath.sol"; import "./MixinConstants.sol"; -contract MixinWethFees is +contract MixinFees is LibMath, MixinConstants { - uint16 constant public PERCENTAGE_DENOMINATOR = 10000; // 9800 == 98%, 10000 == 100% - uint16 constant public MAX_FEE = 1000; // 10% - uint16 constant public ALLOWABLE_EXCHANGE_PERCENTAGE = 9500; // 95% + uint16 constant public PERCENTAGE_DENOMINATOR = 10000; // 9800 == 98%, 10000 == 100% + uint16 constant public MAX_FEE = 1000; // 10% + uint16 constant public ALLOWABLE_EXCHANGE_PERCENTAGE = 9500; // 95% /// @dev Pays the feeRecipient feeProportion of the total takerEthAmount, denominated in ETH /// @param takerEthAmount The total amount that was transacted in WETH, fees are calculated from this value. diff --git a/packages/contracts/src/2.0.0/forwarder/MixinMarketBuyTokens.sol b/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol index 165fec61f..fcc82b705 100644 --- a/packages/contracts/src/2.0.0/forwarder/MixinMarketBuyTokens.sol +++ b/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol @@ -20,26 +20,104 @@ pragma solidity 0.4.24; pragma experimental ABIEncoderV2; import "../utils/LibBytes/LibBytes.sol"; -import "./MixinWethFees.sol"; +import "./MixinFees.sol"; import "./MixinMarketBuyZrx.sol"; import "./MixinExpectedResults.sol"; -import "./MixinERC20.sol"; -import "./MixinERC721.sol"; +import "./MixinTransfer.sol"; import "./MixinConstants.sol"; import "../protocol/Exchange/libs/LibOrder.sol"; -contract MixinMarketBuyTokens is +contract MixinForwarderCore is MixinConstants, - MixinWethFees, - MixinMarketBuyZrx, MixinExpectedResults, - MixinERC20, - MixinERC721 + MixinFees, + MixinMarketBuyZrx, + MixinTransfer { bytes4 public constant ERC20_DATA_ID = bytes4(keccak256("ERC20Token(address)")); bytes4 public constant ERC721_DATA_ID = bytes4(keccak256("ERC721Token(address,uint256,bytes)")); + /// @dev Market sells ETH for ERC20 tokens, performing fee abstraction if required. This does not support ERC721 tokens. This function is payable + /// and will convert all incoming ETH into WETH and perform the trade on behalf of the caller. + /// This function allows for a deduction of a proportion of incoming ETH sent to the feeRecipient. + /// The caller is sent all tokens from the operation. + /// If the purchased token amount does not meet an acceptable threshold then this function reverts. + /// @param orders An array of Order struct containing order specifications. + /// @param signatures An array of Proof that order has been created by maker. + /// @param feeOrders An array of Order struct containing order specifications for fees. + /// @param feeSignatures An array of Proof that order has been created by maker for the fee orders. + /// @param feeProportion A proportion deducted off the incoming ETH and sent to feeRecipient. The maximum value for this + /// is 1000, aka 10%. Supports up to 2 decimal places. I.e 0.59% is 59. + /// @param feeRecipient An address of the fee recipient whom receives feeProportion of ETH. + /// @return FillResults amounts filled and fees paid by maker and taker. + function marketSellEthForERC20( + LibOrder.Order[] memory orders, + bytes[] memory signatures, + LibOrder.Order[] memory feeOrders, + bytes[] memory feeSignatures, + uint16 feeProportion, + address feeRecipient + ) + public + payable + returns (FillResults memory totalFillResults) + { + uint256 takerEthAmount = msg.value; + require( + takerEthAmount > 0, + "VALUE_GREATER_THAN_ZERO" + ); + // Deduct the fee from the total amount of ETH sent in + uint256 ethFeeAmount = payEthFee( + takerEthAmount, + feeProportion, + feeRecipient + ); + uint256 wethSellAmount = safeSub(takerEthAmount, ethFeeAmount); + + // Deposit the remaining to be used for trading + ETHER_TOKEN.deposit.value(wethSellAmount)(); + // Populate the known assetData, as it is always WETH the caller can provide null bytes to save gas + // marketSellOrders fills the remaining + address makerTokenAddress = LibBytes.readAddress(orders[0].makerAssetData, 16); + orders[0].takerAssetData = WETH_ASSET_DATA; + if (makerTokenAddress == address(ZRX_TOKEN)) { + // If this is ZRX then we market sell from the orders, rather than a 2 step of buying ZRX fees from feeOrders + // then buying ZRX from orders + totalFillResults = marketSellEthForZRXInternal( + orders, + signatures, + wethSellAmount + ); + } else { + totalFillResults = marketSellEthForERC20Internal( + orders, + signatures, + feeOrders, + feeSignatures, + wethSellAmount + ); + } + // Prevent accidental WETH owned by this contract and it being spent + require( + takerEthAmount >= totalFillResults.takerAssetFilledAmount, + "INVALID_MSG_VALUE" + ); + // Ensure no WETH is left in this contract + require( + wethSellAmount == totalFillResults.takerAssetFilledAmount, + "UNACCEPTABLE_THRESHOLD" + ); + // Transfer all tokens to msg.sender + transferERC20Token( + makerTokenAddress, + msg.sender, + totalFillResults.makerAssetFilledAmount + ); + return totalFillResults; + } + /// @dev Buys the exact amount of assets (ERC20 and ERC721), performing fee abstraction if required. /// All order assets must be of the same type. Deducts a proportional fee to fee recipient. /// This function is payable and will convert all incoming ETH into WETH and perform the trade on behalf of the caller. @@ -113,6 +191,85 @@ contract MixinMarketBuyTokens is return totalFillResults; } + /// @dev Market sells WETH for ERC20 tokens. + /// @param orders An array of Order struct containing order specifications. + /// @param signatures An array of Proof that order has been created by maker. + /// @param feeOrders An array of Order struct containing order specifications for fees. + /// @param feeSignatures An array of Proof that order has been created by maker for the fee orders. + /// @param wethSellAmount The amount of WETH to sell. + /// @return FillResults amounts filled and fees paid by maker and taker. + function marketSellEthForERC20Internal( + LibOrder.Order[] memory orders, + bytes[] memory signatures, + LibOrder.Order[] memory feeOrders, + bytes[] memory feeSignatures, + uint256 wethSellAmount + ) + internal + returns (FillResults memory totalFillResults) + { + uint256 remainingWethSellAmount = wethSellAmount; + FillResults memory calculatedMarketSellResults = calculateMarketSellResults(orders, wethSellAmount); + if (calculatedMarketSellResults.takerFeePaid > 0) { + // Fees are required for these orders. Buy enough ZRX to cover the future market buy + FillResults memory feeTokensResults = marketBuyZrxInternal( + feeOrders, + feeSignatures, + calculatedMarketSellResults.takerFeePaid + ); + // Ensure the token abstraction was fair if fees were proportionally too high, we fail + require( + isAcceptableThreshold( + wethSellAmount, + safeSub(wethSellAmount, feeTokensResults.takerAssetFilledAmount) + ), + "UNACCEPTABLE_THRESHOLD" + ); + remainingWethSellAmount = safeSub(remainingWethSellAmount, feeTokensResults.takerAssetFilledAmount); + totalFillResults.takerFeePaid = feeTokensResults.takerFeePaid; + totalFillResults.takerAssetFilledAmount = feeTokensResults.takerAssetFilledAmount; + } + // Make our market sell to buy the requested tokens with the remaining balance + FillResults memory requestedTokensResults = EXCHANGE.marketSellOrders( + orders, + remainingWethSellAmount, + signatures + ); + // Update our return FillResult with the market sell + addFillResults(totalFillResults, requestedTokensResults); + return totalFillResults; + } + + /// @dev Market sells WETH for ZRX tokens. + /// @param orders An array of Order struct containing order specifications. + /// @param signatures An array of Proof that order has been created by maker. + /// @param wethSellAmount The amount of WETH to sell. + /// @return FillResults amounts filled and fees paid by maker and taker. + function marketSellEthForZRXInternal( + LibOrder.Order[] memory orders, + bytes[] memory signatures, + uint256 wethSellAmount + ) + internal + returns (FillResults memory totalFillResults) + { + // Make our market sell to buy the requested tokens with the remaining balance + totalFillResults = EXCHANGE.marketSellOrders( + orders, + wethSellAmount, + signatures + ); + // Exchange does not special case ZRX in the makerAssetFilledAmount, if fees were deducted then using this amount + // for future transfers is invalid. + uint256 zrxAmountBought = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid); + require( + isAcceptableThreshold(totalFillResults.makerAssetFilledAmount, zrxAmountBought), + "UNACCEPTABLE_THRESHOLD" + ); + totalFillResults.makerAssetFilledAmount = zrxAmountBought; + return totalFillResults; + } + /// @dev Buys an exact amount of an ERC20 token using WETH. /// @param orders Orders to fill. The maker asset is the ERC20 token to buy. The taker asset is WETH. /// @param signatures Proof that the orders were created by their respective makers. @@ -189,7 +346,7 @@ contract MixinMarketBuyTokens is ); } // Transfer all purchased tokens to msg.sender - transferToken( + transferERC20Token( makerTokenAddress, msg.sender, marketBuyResults.makerAssetFilledAmount diff --git a/packages/contracts/src/2.0.0/forwarder/MixinMarketSellTokens.sol b/packages/contracts/src/2.0.0/forwarder/MixinMarketSellTokens.sol deleted file mode 100644 index f4f509846..000000000 --- a/packages/contracts/src/2.0.0/forwarder/MixinMarketSellTokens.sol +++ /dev/null @@ -1,197 +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/Exchange/libs/LibOrder.sol"; -import "../utils/LibBytes/LibBytes.sol"; -import "./MixinWethFees.sol"; -import "./MixinExpectedResults.sol"; -import "./MixinERC20.sol"; -import "./MixinConstants.sol"; -import "./MixinMarketBuyZrx.sol"; - - -contract MixinMarketSellTokens is - MixinConstants, - MixinWethFees, - MixinMarketBuyZrx, - MixinExpectedResults, - MixinERC20 -{ - /// @dev Market sells ETH for ERC20 tokens, performing fee abstraction if required. This does not support ERC721 tokens. This function is payable - /// and will convert all incoming ETH into WETH and perform the trade on behalf of the caller. - /// This function allows for a deduction of a proportion of incoming ETH sent to the feeRecipient. - /// The caller is sent all tokens from the operation. - /// If the purchased token amount does not meet an acceptable threshold then this function reverts. - /// @param orders An array of Order struct containing order specifications. - /// @param signatures An array of Proof that order has been created by maker. - /// @param feeOrders An array of Order struct containing order specifications for fees. - /// @param feeSignatures An array of Proof that order has been created by maker for the fee orders. - /// @param feeProportion A proportion deducted off the incoming ETH and sent to feeRecipient. The maximum value for this - /// is 1000, aka 10%. Supports up to 2 decimal places. I.e 0.59% is 59. - /// @param feeRecipient An address of the fee recipient whom receives feeProportion of ETH. - /// @return FillResults amounts filled and fees paid by maker and taker. - function marketSellEthForERC20( - LibOrder.Order[] memory orders, - bytes[] memory signatures, - LibOrder.Order[] memory feeOrders, - bytes[] memory feeSignatures, - uint16 feeProportion, - address feeRecipient - ) - public - payable - returns (FillResults memory totalFillResults) - { - uint256 takerEthAmount = msg.value; - require( - takerEthAmount > 0, - "VALUE_GREATER_THAN_ZERO" - ); - // Deduct the fee from the total amount of ETH sent in - uint256 ethFeeAmount = payEthFee( - takerEthAmount, - feeProportion, - feeRecipient - ); - uint256 wethSellAmount = safeSub(takerEthAmount, ethFeeAmount); - - // Deposit the remaining to be used for trading - ETHER_TOKEN.deposit.value(wethSellAmount)(); - // Populate the known assetData, as it is always WETH the caller can provide null bytes to save gas - // marketSellOrders fills the remaining - address makerTokenAddress = LibBytes.readAddress(orders[0].makerAssetData, 16); - orders[0].takerAssetData = WETH_ASSET_DATA; - if (makerTokenAddress == address(ZRX_TOKEN)) { - // If this is ZRX then we market sell from the orders, rather than a 2 step of buying ZRX fees from feeOrders - // then buying ZRX from orders - totalFillResults = marketSellEthForZRXInternal( - orders, - signatures, - wethSellAmount - ); - } else { - totalFillResults = marketSellEthForERC20Internal( - orders, - signatures, - feeOrders, - feeSignatures, - wethSellAmount - ); - } - // Prevent accidental WETH owned by this contract and it being spent - require( - takerEthAmount >= totalFillResults.takerAssetFilledAmount, - "INVALID_MSG_VALUE" - ); - // Ensure no WETH is left in this contract - require( - wethSellAmount == totalFillResults.takerAssetFilledAmount, - "UNACCEPTABLE_THRESHOLD" - ); - // Transfer all tokens to msg.sender - transferToken( - makerTokenAddress, - msg.sender, - totalFillResults.makerAssetFilledAmount - ); - return totalFillResults; - } - - /// @dev Market sells WETH for ERC20 tokens. - /// @param orders An array of Order struct containing order specifications. - /// @param signatures An array of Proof that order has been created by maker. - /// @param feeOrders An array of Order struct containing order specifications for fees. - /// @param feeSignatures An array of Proof that order has been created by maker for the fee orders. - /// @param wethSellAmount The amount of WETH to sell. - /// @return FillResults amounts filled and fees paid by maker and taker. - function marketSellEthForERC20Internal( - LibOrder.Order[] memory orders, - bytes[] memory signatures, - LibOrder.Order[] memory feeOrders, - bytes[] memory feeSignatures, - uint256 wethSellAmount - ) - internal - returns (FillResults memory totalFillResults) - { - uint256 remainingWethSellAmount = wethSellAmount; - FillResults memory calculatedMarketSellResults = calculateMarketSellResults(orders, wethSellAmount); - if (calculatedMarketSellResults.takerFeePaid > 0) { - // Fees are required for these orders. Buy enough ZRX to cover the future market buy - FillResults memory feeTokensResults = marketBuyZrxInternal( - feeOrders, - feeSignatures, - calculatedMarketSellResults.takerFeePaid - ); - // Ensure the token abstraction was fair if fees were proportionally too high, we fail - require( - isAcceptableThreshold( - wethSellAmount, - safeSub(wethSellAmount, feeTokensResults.takerAssetFilledAmount) - ), - "UNACCEPTABLE_THRESHOLD" - ); - remainingWethSellAmount = safeSub(remainingWethSellAmount, feeTokensResults.takerAssetFilledAmount); - totalFillResults.takerFeePaid = feeTokensResults.takerFeePaid; - totalFillResults.takerAssetFilledAmount = feeTokensResults.takerAssetFilledAmount; - } - // Make our market sell to buy the requested tokens with the remaining balance - FillResults memory requestedTokensResults = EXCHANGE.marketSellOrders( - orders, - remainingWethSellAmount, - signatures - ); - // Update our return FillResult with the market sell - addFillResults(totalFillResults, requestedTokensResults); - return totalFillResults; - } - - /// @dev Market sells WETH for ZRX tokens. - /// @param orders An array of Order struct containing order specifications. - /// @param signatures An array of Proof that order has been created by maker. - /// @param wethSellAmount The amount of WETH to sell. - /// @return FillResults amounts filled and fees paid by maker and taker. - function marketSellEthForZRXInternal( - LibOrder.Order[] memory orders, - bytes[] memory signatures, - uint256 wethSellAmount - ) - internal - returns (FillResults memory totalFillResults) - { - // Make our market sell to buy the requested tokens with the remaining balance - totalFillResults = EXCHANGE.marketSellOrders( - orders, - wethSellAmount, - signatures - ); - // Exchange does not special case ZRX in the makerAssetFilledAmount, if fees were deducted then using this amount - // for future transfers is invalid. - uint256 zrxAmountBought = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid); - require( - isAcceptableThreshold(totalFillResults.makerAssetFilledAmount, zrxAmountBought), - "UNACCEPTABLE_THRESHOLD" - ); - totalFillResults.makerAssetFilledAmount = zrxAmountBought; - return totalFillResults; - } - -} diff --git a/packages/contracts/src/2.0.0/forwarder/MixinERC20.sol b/packages/contracts/src/2.0.0/forwarder/MixinTransfer.sol index 23c130d69..78a542892 100644 --- a/packages/contracts/src/2.0.0/forwarder/MixinERC20.sol +++ b/packages/contracts/src/2.0.0/forwarder/MixinTransfer.sol @@ -17,13 +17,37 @@ */ pragma solidity 0.4.24; +pragma experimental ABIEncoderV2; +import "../utils/LibBytes/LibBytes.sol"; +import "../tokens/ERC721Token/IERC721Token.sol"; -contract MixinERC20 { + +contract MixinTransfer { + + using LibBytes for bytes; bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256("transfer(address,uint256)")); + bytes4 constant internal ERC721_RECEIVED = bytes4(keccak256("onERC721Received(address,uint256,bytes)")); + bytes4 constant internal ERC721_RECEIVED_OPERATOR = bytes4(keccak256("onERC721Received(address,address,uint256,bytes)")); + + function onERC721Received(address, uint256, bytes memory) + public + pure + returns(bytes4) + { + return ERC721_RECEIVED; + } + + function onERC721Received(address, address, uint256, bytes memory) + public + pure + returns(bytes4) + { + return ERC721_RECEIVED_OPERATOR; + } - function transferToken( + function transferERC20Token( address token, address to, uint256 amount @@ -64,4 +88,22 @@ contract MixinERC20 { "TRANSFER_FAILED" ); } + + function transferERC721Token( + bytes memory assetData, + address to + ) + internal + { + // Decode asset data. + address token = assetData.readAddress(16); + uint256 tokenId = assetData.readUint256(36); + bytes memory receiverData = assetData.readBytesWithLength(100); + IERC721Token(token).safeTransferFrom( + address(this), + to, + tokenId, + receiverData + ); + } } |