{ "contractName": "SafeERC20", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.4.24+commit.e67f0147\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@aragon/os/contracts/common/SafeERC20.sol\":\"SafeERC20\"},\"evmVersion\":\"byzantium\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":10000},\"remappings\":[]},\"sources\":{\"@aragon/os/contracts/common/SafeERC20.sol\":{\"keccak256\":\"0xd251a1207e1faa4c41500bf927310bb739b1fbc0bf880f236f8e0a9236d6a03a\",\"urls\":[\"bzzr://b2d0f5981950b4e90eaee65c85050ac4f86a79f579f4ef38e6b281c0de980b2b\"]},\"@aragon/os/contracts/lib/token/ERC20.sol\":{\"keccak256\":\"0xa2e319fde92f9e70912f09bf6e99bbf8b9b798961d54ffcba59d347d37bde1b7\",\"urls\":[\"bzzr://8c9a4aec8e185884f26ffb125975bd52c2363359b9adff481649c59cfe15660f\"]}},\"version\":1}", "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820b186b2a41e82721bf2d14c673b215e901a52478a78541d6a0f59a06a73352e030029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820b186b2a41e82721bf2d14c673b215e901a52478a78541d6a0f59a06a73352e030029", "sourceMap": "376:5675:34:-;;132:2:-1;166:7;155:9;146:7;137:37;252:7;246:14;243:1;238:23;232:4;229:33;270:1;265:20;;;;222:63;;265:20;274:9;222:63;;298:9;295:1;288:20;328:4;319:7;311:22;352:7;343;336:24", "deployedSourceMap": "376:5675:34:-;;;;;;;;", "source": "// Inspired by AdEx (https://github.com/AdExNetwork/adex-protocol-eth/blob/b9df617829661a7518ee10f4cb6c4108659dd6d5/contracts/libs/SafeERC20.sol)\n// and 0x (https://github.com/0xProject/0x-monorepo/blob/737d1dc54d72872e24abce5a1dbe1b66d35fa21a/contracts/protocol/contracts/protocol/AssetProxy/ERC20Proxy.sol#L143)\n\npragma solidity ^0.4.24;\n\nimport \"../lib/token/ERC20.sol\";\n\n\nlibrary SafeERC20 {\n // Before 0.5, solidity has a mismatch between `address.transfer()` and `token.transfer()`:\n // https://github.com/ethereum/solidity/issues/3544\n bytes4 private constant TRANSFER_SELECTOR = 0xa9059cbb;\n\n string private constant ERROR_TOKEN_BALANCE_REVERTED = \"SAFE_ERC_20_BALANCE_REVERTED\";\n string private constant ERROR_TOKEN_ALLOWANCE_REVERTED = \"SAFE_ERC_20_ALLOWANCE_REVERTED\";\n\n function invokeAndCheckSuccess(address _addr, bytes memory _calldata)\n private\n returns (bool)\n {\n bool ret;\n assembly {\n let ptr := mload(0x40) // free memory pointer\n\n let success := call(\n gas, // forward all gas\n _addr, // address\n 0, // no value\n add(_calldata, 0x20), // calldata start\n mload(_calldata), // calldata length\n ptr, // write output over free memory\n 0x20 // uint256 return\n )\n\n if gt(success, 0) {\n // Check number of bytes returned from last function call\n switch returndatasize\n\n // No bytes returned: assume success\n case 0 {\n ret := 1\n }\n\n // 32 bytes returned: check if non-zero\n case 0x20 {\n // Only return success if returned data was true\n // Already have output in ptr\n ret := eq(mload(ptr), 1)\n }\n\n // Not sure what was returned: don't mark as success\n default { }\n }\n }\n return ret;\n }\n\n function staticInvoke(address _addr, bytes memory _calldata)\n private\n view\n returns (bool, uint256)\n {\n bool success;\n uint256 ret;\n assembly {\n let ptr := mload(0x40) // free memory pointer\n\n success := staticcall(\n gas, // forward all gas\n _addr, // address\n add(_calldata, 0x20), // calldata start\n mload(_calldata), // calldata length\n ptr, // write output over free memory\n 0x20 // uint256 return\n )\n\n if gt(success, 0) {\n ret := mload(ptr)\n }\n }\n return (success, ret);\n }\n\n /**\n * @dev Same as a standards-compliant ERC20.transfer() that never reverts (returns false).\n * Note that this makes an external call to the token.\n */\n function safeTransfer(ERC20 _token, address _to, uint256 _amount) internal returns (bool) {\n bytes memory transferCallData = abi.encodeWithSelector(\n TRANSFER_SELECTOR,\n _to,\n _amount\n );\n return invokeAndCheckSuccess(_token, transferCallData);\n }\n\n /**\n * @dev Same as a standards-compliant ERC20.transferFrom() that never reverts (returns false).\n * Note that this makes an external call to the token.\n */\n function safeTransferFrom(ERC20 _token, address _from, address _to, uint256 _amount) internal returns (bool) {\n bytes memory transferFromCallData = abi.encodeWithSelector(\n _token.transferFrom.selector,\n _from,\n _to,\n _amount\n );\n return invokeAndCheckSuccess(_token, transferFromCallData);\n }\n\n /**\n * @dev Same as a standards-compliant ERC20.approve() that never reverts (returns false).\n * Note that this makes an external call to the token.\n */\n function safeApprove(ERC20 _token, address _spender, uint256 _amount) internal returns (bool) {\n bytes memory approveCallData = abi.encodeWithSelector(\n _token.approve.selector,\n _spender,\n _amount\n );\n return invokeAndCheckSuccess(_token, approveCallData);\n }\n\n /**\n * @dev Static call into ERC20.balanceOf().\n * Reverts if the call fails for some reason (should never fail).\n */\n function staticBalanceOf(ERC20 _token, address _owner) internal view returns (uint256) {\n bytes memory balanceOfCallData = abi.encodeWithSelector(\n _token.balanceOf.selector,\n _owner\n );\n\n (bool success, uint256 tokenBalance) = staticInvoke(_token, balanceOfCallData);\n require(success, ERROR_TOKEN_BALANCE_REVERTED);\n\n return tokenBalance;\n }\n\n /**\n * @dev Static call into ERC20.allowance().\n * Reverts if the call fails for some reason (should never fail).\n */\n function staticAllowance(ERC20 _token, address _owner, address _spender) internal view returns (uint256) {\n bytes memory allowanceCallData = abi.encodeWithSelector(\n _token.allowance.selector,\n _owner,\n _spender\n );\n\n (bool success, uint256 allowance) = staticInvoke(_token, allowanceCallData);\n require(success, ERROR_TOKEN_ALLOWANCE_REVERTED);\n\n return allowance;\n }\n\n /**\n * @dev Static call into ERC20.totalSupply().\n * Reverts if the call fails for some reason (should never fail).\n */\n function staticTotalSupply(ERC20 _token) internal view returns (uint256) {\n bytes memory totalSupplyCallData = abi.encodeWithSelector(_token.totalSupply.selector);\n\n (bool success, uint256 totalSupply) = staticInvoke(_token, totalSupplyCallData);\n require(success, ERROR_TOKEN_ALLOWANCE_REVERTED);\n\n return totalSupply;\n }\n}\n", "sourcePath": "@aragon/os/contracts/common/SafeERC20.sol", "ast": { "absolutePath": "@aragon/os/contracts/common/SafeERC20.sol", "exportedSymbols": { "SafeERC20": [ 6784 ] }, "id": 6785, "nodeType": "SourceUnit", 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"typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6612, "name": "transferCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6602, "src": "3380:16:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6610, "name": "invokeAndCheckSuccess", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6567, "src": "3350:21:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,bytes memory) returns (bool)" } }, "id": 6613, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3350:47:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6600, "id": 6614, "nodeType": "Return", "src": "3343:54:34" } ] }, "documentation": "@dev Same as a standards-compliant ERC20.transfer() that never reverts (returns false).\n Note that this makes an external call to the token.", "id": 6616, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "safeTransfer", "nodeType": "FunctionDefinition", "parameters": { "id": 6597, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6592, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3122:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6591, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "3122:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6594, "name": "_to", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3136:11:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6593, "name": "address", "nodeType": "ElementaryTypeName", "src": "3136:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6596, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3149:15:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6595, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3149:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3121:44:34" }, "payable": false, "returnParameters": { "id": 6600, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6599, "name": "", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3184:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6598, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3184:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3183:6:34" }, "scope": 6784, "src": "3100:304:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6646, "nodeType": "Block", "src": "3695:252:34", "statements": [ { "assignments": [ 6630 ], "declarations": [ { "constant": false, "id": 6630, "name": "transferFromCallData", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3705:33:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6629, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3705:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6640, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6633, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6618, "src": "3777:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6634, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 9908, "src": "3777:19:34", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 6635, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3777:28:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6636, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6620, "src": "3819:5:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6637, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6622, "src": "3838:3:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6638, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6624, "src": "3855:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6631, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "3741:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6632, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3741:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6639, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3741:131:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "3705:167:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6642, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6618, "src": "3911:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6643, "name": "transferFromCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6630, "src": "3919:20:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6641, "name": "invokeAndCheckSuccess", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6567, "src": "3889:21:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,bytes memory) returns (bool)" } }, "id": 6644, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3889:51:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6628, "id": 6645, "nodeType": "Return", "src": "3882:58:34" } ] }, "documentation": "@dev Same as a standards-compliant ERC20.transferFrom() that never reverts (returns false).\n Note that this makes an external call to the token.", "id": 6647, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 6625, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6618, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3612:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6617, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "3612:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6620, "name": "_from", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3626:13:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6619, "name": "address", "nodeType": "ElementaryTypeName", "src": "3626:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6622, "name": "_to", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3641:11:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6621, "name": "address", "nodeType": "ElementaryTypeName", "src": "3641:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6624, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3654:15:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6623, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3654:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3611:59:34" }, "payable": false, "returnParameters": { "id": 6628, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6627, "name": "", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3689:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6626, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3689:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3688:6:34" }, "scope": 6784, "src": "3586:361:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6674, "nodeType": "Block", "src": "4218:223:34", "statements": [ { "assignments": [ 6659 ], "declarations": [ { "constant": false, "id": 6659, "name": "approveCallData", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4228:28:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6658, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4228:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6668, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6662, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6649, "src": "4295:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6663, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 9897, "src": "4295:14:34", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 6664, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4295:23:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6665, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6651, "src": "4332:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6666, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6653, "src": "4354:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6660, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "4259:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6661, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4259:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6667, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4259:112:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "4228:143:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6670, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6649, "src": "4410:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6671, "name": "approveCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6659, "src": "4418:15:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6669, "name": "invokeAndCheckSuccess", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6567, "src": "4388:21:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,bytes memory) returns (bool)" } }, "id": 6672, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4388:46:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6657, "id": 6673, "nodeType": "Return", "src": "4381:53:34" } ] }, "documentation": "@dev Same as a standards-compliant ERC20.approve() that never reverts (returns false).\n Note that this makes an external call to the token.", "id": 6675, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "safeApprove", "nodeType": "FunctionDefinition", "parameters": { "id": 6654, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6649, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4145:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6648, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "4145:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6651, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4159:16:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6650, "name": "address", "nodeType": "ElementaryTypeName", "src": "4159:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6653, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4177:15:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6652, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4177:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4144:49:34" }, "payable": false, "returnParameters": { "id": 6657, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6656, "name": "", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4212:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6655, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4212:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "4211:6:34" }, "scope": 6784, "src": "4124:317:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6710, "nodeType": "Block", "src": "4665:316:34", "statements": [ { "assignments": [ 6685 ], "declarations": [ { "constant": false, "id": 6685, "name": "balanceOfCallData", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4675:30:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6684, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4675:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6693, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6688, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6677, "src": "4744:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6689, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 9870, "src": "4744:16:34", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 6690, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4744:25:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6691, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6679, "src": "4783:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 6686, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "4708:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6687, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4708:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6692, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4708:91:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "4675:124:34" }, { "assignments": [ 6695, 6697 ], "declarations": [ { "constant": false, "id": 6695, "name": "success", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4811:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6694, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4811:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6697, "name": "tokenBalance", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4825:20:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6696, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4825:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6702, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6699, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6677, "src": "4862:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6700, "name": "balanceOfCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6685, "src": "4870:17:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6698, "name": "staticInvoke", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6590, "src": "4849:12:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$_t_uint256_$", "typeString": "function (address,bytes memory) view returns (bool,uint256)" } }, "id": 6701, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4849:39:34", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_uint256_$", "typeString": "tuple(bool,uint256)" } }, "nodeType": "VariableDeclarationStatement", "src": "4810:78:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6704, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6695, "src": "4906:7:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "id": 6705, "name": "ERROR_TOKEN_BALANCE_REVERTED", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6548, "src": "4915:28:34", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_string_memory", "typeString": "string memory" } ], "id": 6703, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 10407, 10408 ], "referencedDeclaration": 10408, "src": "4898:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6706, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4898:46:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6707, "nodeType": "ExpressionStatement", "src": "4898:46:34" }, { "expression": { "argumentTypes": null, "id": 6708, "name": "tokenBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6697, "src": "4962:12:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6683, "id": 6709, "nodeType": "Return", "src": "4955:19:34" } ] }, "documentation": "@dev Static call into ERC20.balanceOf().\nReverts if the call fails for some reason (should never fail).", "id": 6711, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "staticBalanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 6680, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6677, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4603:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6676, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "4603:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6679, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4617:14:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6678, "name": "address", "nodeType": "ElementaryTypeName", "src": "4617:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "4602:30:34" }, "payable": false, "returnParameters": { "id": 6683, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6682, "name": "", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4656:7:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6681, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4656:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4655:9:34" }, "scope": 6784, "src": "4578:403:34", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6749, "nodeType": "Block", "src": "5223:334:34", "statements": [ { "assignments": [ 6723 ], "declarations": [ { "constant": false, "id": 6723, "name": "allowanceCallData", "nodeType": "VariableDeclaration", "scope": 6750, "src": "5233:30:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6722, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5233:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6732, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6726, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6713, "src": "5302:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6727, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "allowance", "nodeType": "MemberAccess", "referencedDeclaration": 9879, "src": "5302:16:34", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$_t_address_$returns$_t_uint256_$", "typeString": "function (address,address) view external returns (uint256)" } }, "id": 6728, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5302:25:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6729, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6715, "src": "5341:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6730, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6717, "src": "5361:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 6724, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "5266:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6725, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5266:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6731, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5266:113:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "5233:146:34" }, { "assignments": [ 6734, 6736 ], "declarations": [ { "constant": false, "id": 6734, "name": "success", "nodeType": "VariableDeclaration", "scope": 6750, "src": "5391:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6733, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5391:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6736, "name": "allowance", "nodeType": "VariableDeclaration", "scope": 6750, "src": "5405:17:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6735, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5405:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6741, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6738, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6713, "src": "5439:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6739, "name": "allowanceCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6723, "src": "5447:17:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6737, "name": "staticInvoke", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6590, "src": "5426:12:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$_t_uint256_$", "typeString": "function (address,bytes memory) view returns (bool,uint256)" } }, "id": 6740, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5426:39:34", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_uint256_$", "typeString": "tuple(bool,uint256)" } }, "nodeType": "VariableDeclarationStatement", "src": "5390:75:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6743, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6734, "src": "5483:7:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "id": 6744, "name": "ERROR_TOKEN_ALLOWANCE_REVERTED", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6551, "src": "5492:30:34", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_string_memory", "typeString": "string memory" } ], "id": 6742, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 10407, 10408 ], "referencedDeclaration": 10408, "src": "5475:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6745, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5475:48:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6746, "nodeType": "ExpressionStatement", "src": "5475:48:34" }, { "expression": { "argumentTypes": null, "id": 6747, "name": "allowance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6736, "src": "5541:9:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6721, "id": 6748, "nodeType": "Return", "src": "5534:16:34" } ] }, "documentation": "@dev Static call into ERC20.allowance().\nReverts if the call fails for some reason (should never fail).", "id": 6750, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "staticAllowance", "nodeType": "FunctionDefinition", "parameters": { "id": 6718, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6713, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6750, "src": "5143:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6712, "name": "ERC20", 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"name": "address", "nodeType": "ElementaryTypeName", "src": "5173:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "5142:48:34" }, "payable": false, "returnParameters": { "id": 6721, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6720, "name": "", "nodeType": "VariableDeclaration", "scope": 6750, "src": "5214:7:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6719, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5214:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "5213:9:34" }, "scope": 6784, "src": "5118:439:34", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6782, "nodeType": "Block", "src": "5769:280:34", "statements": [ { "assignments": [ 6758 ], "declarations": [ { "constant": false, "id": 6758, "name": "totalSupplyCallData", "nodeType": "VariableDeclaration", "scope": 6783, "src": "5779:32:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6757, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5779:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6765, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6761, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6752, "src": "5837:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6762, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "totalSupply", "nodeType": "MemberAccess", "referencedDeclaration": 9863, "src": "5837:18:34", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 6763, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5837:27:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "argumentTypes": null, "id": 6759, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "5814:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6760, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5814:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6764, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5814:51:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "5779:86:34" }, { "assignments": [ 6767, 6769 ], "declarations": [ { "constant": false, "id": 6767, "name": "success", "nodeType": "VariableDeclaration", "scope": 6783, "src": "5877:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6766, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5877:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6769, "name": "totalSupply", "nodeType": "VariableDeclaration", "scope": 6783, "src": "5891:19:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6768, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5891:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6774, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6771, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6752, "src": "5927:6:34", "typeDescriptions": { 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"lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5914:41:34", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_uint256_$", "typeString": "tuple(bool,uint256)" } }, "nodeType": "VariableDeclarationStatement", "src": "5876:79:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6776, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6767, "src": "5973:7:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "id": 6777, "name": "ERROR_TOKEN_ALLOWANCE_REVERTED", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6551, "src": "5982:30:34", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_string_memory", "typeString": "string memory" } ], "id": 6775, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 10407, 10408 ], "referencedDeclaration": 10408, "src": "5965:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6778, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5965:48:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6779, "nodeType": "ExpressionStatement", "src": "5965:48:34" }, { "expression": { "argumentTypes": null, "id": 6780, "name": "totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6769, "src": "6031:11:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6756, "id": 6781, "nodeType": "Return", "src": "6024:18:34" } ] }, "documentation": "@dev Static call into ERC20.totalSupply().\nReverts if the call fails for some reason (should never fail).", "id": 6783, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "staticTotalSupply", "nodeType": "FunctionDefinition", "parameters": { "id": 6753, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6752, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6783, "src": "5723:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6751, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "5723:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" } ], "src": "5722:14:34" }, "payable": false, "returnParameters": { "id": 6756, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6755, "name": "", "nodeType": "VariableDeclaration", "scope": 6783, "src": "5760:7:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6754, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5760:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "5759:9:34" }, "scope": 6784, "src": "5696:353:34", "stateMutability": "view", "superFunction": null, "visibility": "internal" } ], "scope": 6785, "src": "376:5675:34" } ], "src": "315:5737:34" }, "legacyAST": { "absolutePath": "@aragon/os/contracts/common/SafeERC20.sol", "exportedSymbols": { "SafeERC20": [ 6784 ] }, "id": 6785, "nodeType": "SourceUnit", "nodes": [ { "id": 6541, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "315:24:34" }, { "absolutePath": "@aragon/os/contracts/lib/token/ERC20.sol", "file": "../lib/token/ERC20.sol", "id": 6542, "nodeType": "ImportDirective", "scope": 6785, "sourceUnit": 9926, "src": "341:32:34", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": null, "fullyImplemented": true, "id": 6784, "linearizedBaseContracts": [ 6784 ], "name": "SafeERC20", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 6545, "name": "TRANSFER_SELECTOR", "nodeType": "VariableDeclaration", "scope": 6784, "src": "552:54:34", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 6543, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "552:6:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "value": { "argumentTypes": null, "hexValue": "30786139303539636262", "id": 6544, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "596:10:34", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_2835717307_by_1", "typeString": "int_const 2835717307" }, "value": "0xa9059cbb" }, "visibility": "private" }, { "constant": true, "id": 6548, "name": "ERROR_TOKEN_BALANCE_REVERTED", "nodeType": "VariableDeclaration", "scope": 6784, "src": "613:85:34", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string" }, "typeName": { "id": 6546, "name": "string", "nodeType": "ElementaryTypeName", "src": "613:6:34", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "argumentTypes": null, "hexValue": "534146455f4552435f32305f42414c414e43455f5245564552544544", "id": 6547, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "668:30:34", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_e0d6f1573408f815b546b777c74de94d1685d3d390fbf5b918b2e1339b2ed2e7", "typeString": "literal_string \"SAFE_ERC_20_BALANCE_REVERTED\"" }, "value": "SAFE_ERC_20_BALANCE_REVERTED" }, "visibility": "private" }, { "constant": true, "id": 6551, "name": "ERROR_TOKEN_ALLOWANCE_REVERTED", "nodeType": "VariableDeclaration", "scope": 6784, "src": "704:89:34", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string" }, "typeName": { "id": 6549, "name": "string", "nodeType": "ElementaryTypeName", "src": "704:6:34", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "argumentTypes": null, "hexValue": "534146455f4552435f32305f414c4c4f57414e43455f5245564552544544", "id": 6550, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "761:32:34", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_73432bcf14a5ead3ed39eed7e97b924b49d284054d4f8b41ba74ac90002bc239", "typeString": "literal_string \"SAFE_ERC_20_ALLOWANCE_REVERTED\"" }, "value": "SAFE_ERC_20_ALLOWANCE_REVERTED" }, "visibility": "private" }, { "body": { "id": 6566, "nodeType": "Block", "src": "913:1229:34", "statements": [ { "assignments": [], "declarations": [ { "constant": false, "id": 6561, "name": "ret", "nodeType": "VariableDeclaration", "scope": 6567, "src": "923:8:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6560, "name": "bool", "nodeType": "ElementaryTypeName", "src": "923:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "id": 6562, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "923:8:34" }, { "externalReferences": [ { "_calldata": { "declaration": 6555, "isOffset": false, "isSlot": false, "src": "1281:9:34", "valueSize": 1 } }, { "_calldata": { "declaration": 6555, "isOffset": false, "isSlot": false, "src": "1223:9:34", "valueSize": 1 } }, { "ret": { "declaration": 6561, "isOffset": false, "isSlot": false, "src": "1701:3:34", "valueSize": 1 } }, { "_addr": { "declaration": 6553, "isOffset": false, "isSlot": false, "src": "1120:5:34", "valueSize": 1 } }, { "ret": { "declaration": 6561, "isOffset": false, "isSlot": false, "src": "1952:3:34", "valueSize": 1 } } ], "id": 6563, "nodeType": "InlineAssembly", "operations": "{\n let ptr := mload(0x40)\n let success := call(gas(), _addr, 0, add(_calldata, 0x20), mload(_calldata), ptr, 0x20)\n if gt(success, 0)\n {\n switch returndatasize()\n case 0 {\n ret := 1\n }\n case 0x20 {\n ret := eq(mload(ptr), 1)\n }\n default {\n }\n }\n}", "src": "941:1190:34" }, { "expression": { "argumentTypes": null, "id": 6564, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6561, "src": "2132:3:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6559, "id": 6565, "nodeType": "Return", "src": "2125:10:34" } ] }, "documentation": null, "id": 6567, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "invokeAndCheckSuccess", "nodeType": "FunctionDefinition", "parameters": { "id": 6556, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6553, "name": "_addr", "nodeType": "VariableDeclaration", "scope": 6567, "src": "831:13:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6552, "name": "address", "nodeType": "ElementaryTypeName", "src": "831:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6555, "name": "_calldata", "nodeType": "VariableDeclaration", "scope": 6567, "src": "846:22:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6554, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "846:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "830:39:34" }, "payable": false, "returnParameters": { "id": 6559, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6558, "name": "", "nodeType": "VariableDeclaration", "scope": 6567, "src": "903:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6557, "name": "bool", "nodeType": "ElementaryTypeName", "src": "903:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "902:6:34" }, "scope": 6784, "src": "800:1342:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 6589, "nodeType": "Block", "src": "2274:648:34", "statements": [ { "assignments": [], "declarations": [ { "constant": false, "id": 6579, "name": "success", "nodeType": "VariableDeclaration", "scope": 6590, "src": "2284:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6578, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2284:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "id": 6580, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "2284:12:34" }, { "assignments": [], "declarations": [ { "constant": false, "id": 6582, "name": "ret", "nodeType": "VariableDeclaration", "scope": 6590, "src": "2306:11:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6581, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2306:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6583, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "2306:11:34" }, { "externalReferences": [ { "ret": { "declaration": 6582, "isOffset": false, "isSlot": false, "src": "2844:3:34", "valueSize": 1 } }, { "_calldata": { "declaration": 6571, "isOffset": false, "isSlot": false, "src": "2619:9:34", "valueSize": 1 } }, { "_calldata": { "declaration": 6571, "isOffset": false, "isSlot": false, "src": "2561:9:34", "valueSize": 1 } }, { "success": { "declaration": 6579, "isOffset": false, "isSlot": false, "src": "2412:7:34", "valueSize": 1 } }, { "success": { "declaration": 6579, "isOffset": false, "isSlot": false, "src": "2814:7:34", "valueSize": 1 } }, { "_addr": { "declaration": 6569, "isOffset": false, "isSlot": false, "src": "2508:5:34", "valueSize": 1 } } ], "id": 6584, "nodeType": "InlineAssembly", "operations": "{\n let ptr := mload(0x40)\n success := staticcall(gas(), _addr, add(_calldata, 0x20), mload(_calldata), ptr, 0x20)\n if gt(success, 0)\n {\n ret := mload(ptr)\n }\n}", "src": "2327:573:34" }, { "expression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 6585, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6579, "src": "2902:7:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "id": 6586, "name": "ret", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6582, "src": "2911:3:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 6587, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "2901:14:34", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_uint256_$", "typeString": "tuple(bool,uint256)" } }, "functionReturnParameters": 6577, "id": 6588, "nodeType": "Return", "src": "2894:21:34" } ] }, "documentation": null, "id": 6590, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "staticInvoke", "nodeType": "FunctionDefinition", "parameters": { "id": 6572, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6569, "name": "_addr", "nodeType": "VariableDeclaration", "scope": 6590, "src": "2170:13:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6568, "name": "address", "nodeType": "ElementaryTypeName", "src": "2170:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6571, "name": "_calldata", "nodeType": "VariableDeclaration", "scope": 6590, "src": "2185:22:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6570, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2185:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "2169:39:34" }, "payable": false, "returnParameters": { "id": 6577, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6574, "name": "", "nodeType": "VariableDeclaration", "scope": 6590, "src": "2255:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6573, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2255:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6576, "name": "", "nodeType": "VariableDeclaration", "scope": 6590, "src": "2261:7:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6575, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2261:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2254:15:34" }, "scope": 6784, "src": "2148:774:34", "stateMutability": "view", "superFunction": null, "visibility": "private" }, { "body": { "id": 6615, "nodeType": "Block", "src": "3190:214:34", "statements": [ { "assignments": [ 6602 ], "declarations": [ { "constant": false, "id": 6602, "name": "transferCallData", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3200:29:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6601, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3200:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6609, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6605, "name": "TRANSFER_SELECTOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6545, "src": "3268:17:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6606, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6594, "src": "3299:3:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6607, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6596, "src": "3316:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6603, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "3232:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6604, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3232:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6608, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3232:101:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "3200:133:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6611, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6592, "src": "3372:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6612, "name": "transferCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6602, "src": "3380:16:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6610, "name": "invokeAndCheckSuccess", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6567, "src": "3350:21:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,bytes memory) returns (bool)" } }, "id": 6613, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3350:47:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6600, "id": 6614, "nodeType": "Return", "src": "3343:54:34" } ] }, "documentation": "@dev Same as a standards-compliant ERC20.transfer() that never reverts (returns false).\n Note that this makes an external call to the token.", "id": 6616, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "safeTransfer", "nodeType": "FunctionDefinition", "parameters": { "id": 6597, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6592, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3122:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6591, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "3122:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6594, "name": "_to", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3136:11:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6593, "name": "address", "nodeType": "ElementaryTypeName", "src": "3136:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6596, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3149:15:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6595, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3149:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3121:44:34" }, "payable": false, "returnParameters": { "id": 6600, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6599, "name": "", "nodeType": "VariableDeclaration", "scope": 6616, "src": "3184:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6598, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3184:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3183:6:34" }, "scope": 6784, "src": "3100:304:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6646, "nodeType": "Block", "src": "3695:252:34", "statements": [ { "assignments": [ 6630 ], "declarations": [ { "constant": false, "id": 6630, "name": "transferFromCallData", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3705:33:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6629, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3705:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6640, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6633, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6618, "src": "3777:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6634, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 9908, "src": "3777:19:34", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 6635, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3777:28:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6636, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6620, "src": "3819:5:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6637, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6622, "src": "3838:3:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6638, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6624, "src": "3855:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6631, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "3741:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6632, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3741:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6639, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3741:131:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "3705:167:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6642, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6618, "src": "3911:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6643, "name": "transferFromCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6630, "src": "3919:20:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6641, "name": "invokeAndCheckSuccess", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6567, "src": "3889:21:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,bytes memory) returns (bool)" } }, "id": 6644, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3889:51:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6628, "id": 6645, "nodeType": "Return", "src": "3882:58:34" } ] }, "documentation": "@dev Same as a standards-compliant ERC20.transferFrom() that never reverts (returns false).\n Note that this makes an external call to the token.", "id": 6647, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 6625, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6618, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3612:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6617, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "3612:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6620, "name": "_from", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3626:13:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6619, "name": "address", "nodeType": "ElementaryTypeName", "src": "3626:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6622, "name": "_to", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3641:11:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6621, "name": "address", "nodeType": "ElementaryTypeName", "src": "3641:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6624, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3654:15:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6623, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3654:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3611:59:34" }, "payable": false, "returnParameters": { "id": 6628, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6627, "name": "", "nodeType": "VariableDeclaration", "scope": 6647, "src": "3689:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6626, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3689:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3688:6:34" }, "scope": 6784, "src": "3586:361:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6674, "nodeType": "Block", "src": "4218:223:34", "statements": [ { "assignments": [ 6659 ], "declarations": [ { "constant": false, "id": 6659, "name": "approveCallData", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4228:28:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6658, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4228:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6668, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6662, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6649, "src": "4295:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6663, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 9897, "src": "4295:14:34", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 6664, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4295:23:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6665, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6651, "src": "4332:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6666, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6653, "src": "4354:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6660, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "4259:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6661, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4259:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6667, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4259:112:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "4228:143:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6670, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6649, "src": "4410:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6671, "name": "approveCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6659, "src": "4418:15:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6669, "name": "invokeAndCheckSuccess", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6567, "src": "4388:21:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,bytes memory) returns (bool)" } }, "id": 6672, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4388:46:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6657, "id": 6673, "nodeType": "Return", "src": "4381:53:34" } ] }, "documentation": "@dev Same as a standards-compliant ERC20.approve() that never reverts (returns false).\n Note that this makes an external call to the token.", "id": 6675, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "safeApprove", "nodeType": "FunctionDefinition", "parameters": { "id": 6654, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6649, "name": "_token", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4145:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, "typeName": { "contractScope": null, "id": 6648, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9925, "src": "4145:5:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6651, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4159:16:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6650, "name": "address", "nodeType": "ElementaryTypeName", "src": "4159:7:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6653, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4177:15:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6652, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4177:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4144:49:34" }, "payable": false, "returnParameters": { "id": 6657, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6656, "name": "", "nodeType": "VariableDeclaration", "scope": 6675, "src": "4212:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6655, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4212:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "4211:6:34" }, "scope": 6784, "src": "4124:317:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6710, "nodeType": "Block", "src": "4665:316:34", "statements": [ { "assignments": [ 6685 ], "declarations": [ { "constant": false, "id": 6685, "name": "balanceOfCallData", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4675:30:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6684, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4675:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6693, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6688, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6677, "src": "4744:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, "id": 6689, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 9870, "src": "4744:16:34", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 6690, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4744:25:34", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "argumentTypes": null, "id": 6691, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6679, "src": "4783:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 6686, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "4708:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6687, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4708:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6692, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4708:91:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "4675:124:34" }, { "assignments": [ 6695, 6697 ], "declarations": [ { "constant": false, "id": 6695, "name": "success", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4811:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6694, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4811:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6697, "name": "tokenBalance", "nodeType": "VariableDeclaration", "scope": 6711, "src": "4825:20:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6696, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4825:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6702, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6699, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6677, "src": "4862:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6700, "name": "balanceOfCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6685, "src": "4870:17:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6698, "name": "staticInvoke", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6590, "src": "4849:12:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$_t_uint256_$", "typeString": "function (address,bytes memory) view returns (bool,uint256)" } }, "id": 6701, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4849:39:34", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_uint256_$", "typeString": "tuple(bool,uint256)" } }, "nodeType": "VariableDeclarationStatement", "src": "4810:78:34" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6704, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6695, "src": "4906:7:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "id": 6705, "name": "ERROR_TOKEN_BALANCE_REVERTED", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6548, "src": 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"overloadedDeclarations": [], "referencedDeclaration": 10391, "src": "5266:3:34", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 6725, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodeWithSelector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5266:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6731, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5266:113:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "5233:146:34" }, { "assignments": [ 6734, 6736 ], "declarations": [ { "constant": false, "id": 6734, "name": "success", "nodeType": "VariableDeclaration", "scope": 6750, "src": "5391:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6733, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5391:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6736, "name": "allowance", "nodeType": "VariableDeclaration", "scope": 6750, "src": "5405:17:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6735, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5405:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6741, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6738, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6713, "src": "5439:6:34", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" } }, { "argumentTypes": null, "id": 6739, "name": "allowanceCallData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6723, "src": "5447:17:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ERC20_$9925", "typeString": "contract ERC20" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 6737, "name": "staticInvoke", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6590, "src": "5426:12:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes_memory_ptr_$returns$_t_bool_$_t_uint256_$", "typeString": 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"nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5814:22:34", "typeDescriptions": { "typeIdentifier": "t_function_abiencodewithselector_pure$_t_bytes4_$returns$_t_bytes_memory_ptr_$", "typeString": "function (bytes4) pure returns (bytes memory)" } }, "id": 6764, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5814:51:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "5779:86:34" }, { "assignments": [ 6767, 6769 ], "declarations": [ { "constant": false, "id": 6767, "name": "success", "nodeType": "VariableDeclaration", "scope": 6783, "src": "5877:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6766, "name": "bool", "nodeType": "ElementaryTypeName", "src": 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