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  "source": "// SPDX-License-Identifier: Apache-2.0\n\n/******************************************************************************\n * Copyright 2020 IEXEC BLOCKCHAIN TECH                                       *\n *                                                                            *\n * Licensed under the Apache License, Version 2.0 (the \"License\");            *\n * you may not use this file except in compliance with the License.           *\n * You may obtain a copy of the License at                                    *\n *                                                                            *\n *     http://www.apache.org/licenses/LICENSE-2.0                             *\n *                                                                            *\n * Unless required by applicable law or agreed to in writing, software        *\n * distributed under the License is distributed on an \"AS IS\" BASIS,          *\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *\n * See the License for the specific language governing permissions and        *\n * limitations under the License.                                             *\n ******************************************************************************/\n\npragma solidity ^0.6.0;\npragma experimental ABIEncoderV2;\n\nimport \"../ERC1538Core.sol\";\nimport \"../ERC1538Module.sol\";\n\n\ninterface ERC1538UpdateV2\n{\n\tfunction updateContract(address _delegate, string[] calldata _functionSignatures, string calldata commitMessage) external;\n}\n\ncontract ERC1538UpdateV2Delegate is ERC1538UpdateV2, ERC1538Core, ERC1538Module\n{\n\tfunction updateContract(\n\t\taddress           _delegate,\n\t\tstring[] calldata _functionSignatures,\n\t\tstring   calldata _commitMessage\n\t)\n\texternal override onlyOwner\n\t{\n\t\tif (_delegate != address(0))\n\t\t{\n\t\t\tuint256 size;\n\t\t\tassembly { size := extcodesize(_delegate) }\n\t\t\trequire(size > 0, \"[ERC1538] _delegate address is not a contract and is not address(0)\");\n\t\t}\n\t\tfor (uint256 i = 0; i < _functionSignatures.length; ++i)\n\t\t{\n\t\t\t_setFunc(_functionSignatures[i], _delegate);\n\t\t}\n\t\temit CommitMessage(_commitMessage);\n\t}\n}\n",
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