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"YulFunctionCall", "src": "4223:43:20" }, "nodeType": "YulIf", "src": "4220:2:20" } ] }, "name": "validator_revert_t_uint256", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "value", "nodeType": "YulTypedName", "src": "4203:5:20", "type": "" } ], "src": "4167:122:20" } ] }, "contents": "{\n\n function abi_decode_t_address(offset, end) -> value {\n value := calldataload(offset)\n validator_revert_t_address(value)\n }\n\n function abi_decode_t_uint256_fromMemory(offset, end) -> value {\n value := mload(offset)\n validator_revert_t_uint256(value)\n }\n\n function abi_decode_tuple_t_address(headStart, dataEnd) -> value0 {\n if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n {\n\n let offset := 0\n\n value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n }\n\n }\n\n function abi_decode_tuple_t_uint256_fromMemory(headStart, dataEnd) -> value0 {\n if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n {\n\n let offset := 0\n\n value0 := abi_decode_t_uint256_fromMemory(add(headStart, offset), dataEnd)\n }\n\n }\n\n function abi_encode_t_address_to_t_address_fromStack(value, pos) {\n mstore(pos, cleanup_t_address(value))\n }\n\n function abi_encode_t_bytes_memory_ptr_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack(value, pos) -> end {\n let length := array_length_t_bytes_memory_ptr(value)\n pos := array_storeLengthForEncoding_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos, length)\n copy_memory_to_memory(add(value, 0x20), pos, length)\n end := add(pos, length)\n }\n\n function abi_encode_t_stringliteral_368a000050d2c2f953d3bcd0d3890d264885bfa36b329f94203a8755338c8f98_to_t_string_memory_ptr_fromStack(pos) -> end {\n pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 29)\n\n mstore(add(pos, 0), \"Oracle: token is zero address\")\n\n end := add(pos, 32)\n }\n\n function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n mstore(pos, cleanup_t_uint256(value))\n }\n\n function abi_encode_tuple_packed_t_bytes_memory_ptr__to_t_bytes_memory_ptr__nonPadded_inplace_fromStack_reversed(pos , value0) -> end {\n\n pos := abi_encode_t_bytes_memory_ptr_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack(value0, pos)\n\n end := pos\n }\n\n function abi_encode_tuple_t_address__to_t_address__fromStack_reversed(headStart , value0) -> tail {\n tail := add(headStart, 32)\n\n abi_encode_t_address_to_t_address_fromStack(value0, add(headStart, 0))\n\n }\n\n function abi_encode_tuple_t_stringliteral_368a000050d2c2f953d3bcd0d3890d264885bfa36b329f94203a8755338c8f98__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n tail := add(headStart, 32)\n\n mstore(add(headStart, 0), sub(tail, headStart))\n tail := abi_encode_t_stringliteral_368a000050d2c2f953d3bcd0d3890d264885bfa36b329f94203a8755338c8f98_to_t_string_memory_ptr_fromStack( tail)\n\n }\n\n function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart , value0) -> tail {\n tail := add(headStart, 32)\n\n abi_encode_t_uint256_to_t_uint256_fromStack(value0, add(headStart, 0))\n\n }\n\n function array_length_t_bytes_memory_ptr(value) -> length {\n\n length := mload(value)\n\n }\n\n function array_storeLengthForEncoding_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos, length) -> updated_pos {\n updated_pos := pos\n }\n\n function array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length) -> updated_pos {\n mstore(pos, length)\n updated_pos := add(pos, 0x20)\n }\n\n function cleanup_t_address(value) -> cleaned {\n cleaned := cleanup_t_uint160(value)\n }\n\n function cleanup_t_uint160(value) -> cleaned {\n cleaned := and(value, 0xffffffffffffffffffffffffffffffffffffffff)\n }\n\n function cleanup_t_uint256(value) -> cleaned {\n cleaned := value\n }\n\n function copy_memory_to_memory(src, dst, length) {\n let i := 0\n for { } lt(i, length) { i := add(i, 32) }\n {\n mstore(add(dst, i), mload(add(src, i)))\n }\n if gt(i, length)\n {\n // clear end\n mstore(add(dst, length), 0)\n }\n }\n\n function validator_revert_t_address(value) {\n if iszero(eq(value, cleanup_t_address(value))) { revert(0, 0) }\n }\n\n function validator_revert_t_uint256(value) {\n if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n }\n\n}\n", "id": 20, "language": "Yul", "name": "#utility.yul" } ], "sourceMap": "96:718:4:-:0;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": 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"source": "// SPDX-License-Identifier: GPL-3.0-or-later\n\npragma solidity ^0.8.0;\n\nimport \"./IOracle.sol\";\n\ncontract Oracle is IOracle {\n address constant private precompile = address(0x0000000000000000000000000000000000000403);\n\n /**\n * @dev Get the price of the currency_id.\n * Returns the (price, timestamp)\n */\n function getPrice(address token)\n public\n view\n override\n returns (uint256)\n {\n require(token != address(0), \"Oracle: token is zero address\");\n\n (bool success, bytes memory returnData) = precompile.staticcall(abi.encodeWithSignature(\"getPrice(address)\", token));\n assembly {\n if eq(success, 0) {\n revert(add(returnData, 0x20), returndatasize())\n }\n }\n\n return abi.decode(returnData, (uint256));\n }\n}\n", "sourcePath": "/home/runner/work/predeploy-contracts/predeploy-contracts/contracts/oracle/Oracle.sol", "ast": { "absolutePath": "/home/runner/work/predeploy-contracts/predeploy-contracts/contracts/oracle/Oracle.sol", "exportedSymbols": { "IOracle": [ 822 ], "Oracle": [ 876 ] }, "id": 877, "license": "GPL-3.0-or-later", "nodeType": "SourceUnit", "nodes": [ { "id": 824, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "46:23:4" }, { "absolutePath": "/home/runner/work/predeploy-contracts/predeploy-contracts/contracts/oracle/IOracle.sol", "file": "./IOracle.sol", "id": 825, "nodeType": "ImportDirective", "scope": 877, "sourceUnit": 823, "src": "71:23:4", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 826, "name": "IOracle", "nodeType": "IdentifierPath", "referencedDeclaration": 822, "src": "115:7:4" }, "id": 827, "nodeType": "InheritanceSpecifier", "src": "115:7:4" } ], "contractDependencies": [ 822 ], "contractKind": "contract", "fullyImplemented": true, "id": 876, "linearizedBaseContracts": [ 876, 822 ], "name": "Oracle", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 833, "mutability": "constant", "name": "precompile", "nodeType": "VariableDeclaration", "scope": 876, "src": "129:89:4", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 828, "name": "address", "nodeType": "ElementaryTypeName", "src": "129:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": { "arguments": [ { "hexValue": "307830303030303030303030303030303030303030303030303030303030303030303030303030343033", "id": 831, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "175:42:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "value": "0x0000000000000000000000000000000000000403" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 830, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "167:7:4", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 829, "name": "address", "nodeType": "ElementaryTypeName", "src": "167:7:4", "typeDescriptions": {} } }, "id": 832, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "167:51:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "private" }, { "baseFunctions": [ 821 ], "body": { "id": 874, "nodeType": "Block", "src": "417:395:4", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 848, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 843, "name": "token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 836, "src": "435:5:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 846, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "452:1:4", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 845, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "444:7:4", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 844, "name": "address", "nodeType": "ElementaryTypeName", "src": "444:7:4", "typeDescriptions": {} } }, "id": 847, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "444:10:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "435:19:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4f7261636c653a20746f6b656e206973207a65726f2061646472657373", "id": 849, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "456:31:4", "typeDescriptions": { "typeIdentifier": "t_stringliteral_368a000050d2c2f953d3bcd0d3890d264885bfa36b329f94203a8755338c8f98", "typeString": "literal_string \"Oracle: token is zero address\"" }, "value": "Oracle: token is zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_368a000050d2c2f953d3bcd0d3890d264885bfa36b329f94203a8755338c8f98", "typeString": "literal_string \"Oracle: token is zero address\"" } ], "id": 842, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "427:7:4", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 850, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "427:61:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 851, "nodeType": "ExpressionStatement", "src": "427:61:4" }, { "assignments": [ 853, 855 ], "declarations": [ { "constant": false, "id": 853, "mutability": "mutable", "name": "success", "nodeType": "VariableDeclaration", "scope": 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"isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "587:19:4", "typeDescriptions": { "typeIdentifier": "t_stringliteral_41976e0924e084835685c91898001f69cccb35bc0c6e18e30ce86f3869f2a8a4", "typeString": "literal_string \"getPrice(address)\"" }, "value": "getPrice(address)" }, { "id": 861, "name": "token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 836, "src": "608:5:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_41976e0924e084835685c91898001f69cccb35bc0c6e18e30ce86f3869f2a8a4", "typeString": "literal_string \"getPrice(address)\"" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "id": 858, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "563:3:4", "typeDescriptions": { "typeIdentifier": 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