hardlydifficult-ethereum-contracts

{ "contractName": "CallContract", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.5.17+commit.d19bba13\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"methods\":{},\"title\":\"Calls an arbitrary contract function.\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/home/circleci/repo/contracts/proxies/CallContract.sol\":\"CallContract\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":2000000},\"remappings\":[]},\"sources\":{\"/home/circleci/repo/contracts/proxies/CallContract.sol\":{\"keccak256\":\"0x5b891896d85a8937da32acd5af2d4b2d3fd8f5fbae639540d54ed972d05304b4\",\"urls\":[\"bzz-raw://982e6db3cc9a612ab3ecd4a404ed15255429e857ebf0bb96b404dedb83313dc1\",\"dweb:/ipfs/Qmeh7ezyMrD4q62edq1oLdR93NuTr8GYwE4XKE62T125Mt\"]}},\"version\":1}", "bytecode": 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'INTERNAL_CONTRACT_READ_CALL_FAILED');\n return abi.decode(result, (uint));\n }\n\n function _call(\n address _contract,\n bytes memory _callData,\n uint _ethValue\n ) internal\n {\n bool result;\n // solium-disable-next-line\n assembly\n {\n result := call(\n gas,\n _contract,\n _ethValue,\n add(_callData, 32), // Start of callData information\n mload(_callData), // Size of callData\n 0, // Output ignored\n 0 // Output ignored\n )\n }\n require(result, 'INTERNAL_CONTRACT_CALL_FAILED');\n }\n\n function _callByPosition(\n address _contract,\n bytes memory _callDataConcat,\n uint _startPosition,\n uint _length,\n uint _ethValue\n ) internal\n {\n bool result;\n // solium-disable-next-line\n assembly\n {\n result := call(\n gas,\n _contract,\n _ethValue,\n add(_callDataConcat, add(32, _startPosition)), // Start of callData information\n _length,\n 0, // Output ignored\n 0 // Output ignored\n )\n }\n require(result, 'INTERNAL_CONTRACT_CALL_FAILED');\n }\n}\n", "sourcePath": 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