{ "abi": [], "allSourcePaths": { "64": "node_modules/@chainlink/contracts/src/v0.8/vendor/BufferChainlink.sol" }, "ast": { "absolutePath": "node_modules/@chainlink/contracts/src/v0.8/vendor/BufferChainlink.sol", "exportedSymbols": { "BufferChainlink": [ 25174 ] }, "id": 25175, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 24654, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "32:23:64" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 24655, "nodeType": "StructuredDocumentation", "src": "57:376:64", "text": " @dev A library for working with mutable byte buffers in Solidity.\n Byte buffers are mutable and expandable, and provide a variety of primitives\n for writing to them. At any time you can fetch a bytes object containing the\n current contents of the buffer. The bytes object should not be stored between\n operations, as it may change due to resizing of the buffer." }, "fullyImplemented": true, "id": 25174, "linearizedBaseContracts": [ 25174 ], "name": "BufferChainlink", "nameLocation": "442:15:64", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "BufferChainlink.buffer", "id": 24660, "members": [ { "constant": false, "id": 24657, "mutability": "mutable", "name": "buf", "nameLocation": "732:3:64", "nodeType": "VariableDeclaration", "scope": 24660, "src": "726:9:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" }, "typeName": { "id": 24656, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "726:5:64", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 24659, "mutability": "mutable", "name": "capacity", "nameLocation": "746:8:64", "nodeType": "VariableDeclaration", "scope": 24660, "src": "741:13:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24658, "name": "uint", "nodeType": "ElementaryTypeName", "src": "741:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "name": "buffer", "nameLocation": "713:6:64", "nodeType": "StructDefinition", "scope": 25174, "src": "706:53:64", "visibility": "public" }, { "body": { "id": 24697, "nodeType": "Block", "src": "1105:310:64", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24676, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24674, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24672, "name": "capacity", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24666, "src": "1115:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "%", "rightExpression": { "hexValue": "3332", "id": 24673, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1126:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "1115:13:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 24675, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1132:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1115:18:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 24687, "nodeType": "IfStatement", "src": "1111:71:64", "trueBody": { "id": 24686, "nodeType": "Block", "src": "1135:47:64", "statements": [ { "expression": { "id": 24684, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 24677, "name": "capacity", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24666, "src": "1143:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24683, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "3332", "id": 24678, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1155:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24681, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24679, "name": "capacity", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24666, "src": "1161:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "%", "rightExpression": { "hexValue": "3332", "id": 24680, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1172:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "1161:13:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 24682, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "1160:15:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1155:20:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1143:32:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 24685, "nodeType": "ExpressionStatement", "src": "1143:32:64" } ] } }, { "expression": { "id": 24692, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "expression": { "id": 24688, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24664, "src": "1229:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24690, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "1229:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 24691, "name": "capacity", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24666, "src": "1244:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1229:23:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 24693, "nodeType": "ExpressionStatement", "src": "1229:23:64" }, { "AST": { "nodeType": "YulBlock", "src": "1267:128:64", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "1275:22:64", "value": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "1292:4:64", "type": "", "value": "0x40" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "1286:5:64" }, "nodeType": "YulFunctionCall", "src": "1286:11:64" }, "variables": [ { "name": "ptr", "nodeType": "YulTypedName", "src": "1279:3:64", "type": "" } ] }, { "expression": { "arguments": [ { "name": "buf", "nodeType": "YulIdentifier", "src": "1311:3:64" }, { "name": "ptr", "nodeType": "YulIdentifier", "src": "1316:3:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "1304:6:64" }, "nodeType": "YulFunctionCall", "src": "1304:16:64" }, "nodeType": "YulExpressionStatement", "src": "1304:16:64" }, { "expression": { "arguments": [ { "name": "ptr", "nodeType": "YulIdentifier", "src": "1334:3:64" }, { "kind": "number", "nodeType": "YulLiteral", "src": "1339:1:64", "type": "", "value": "0" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "1327:6:64" }, "nodeType": "YulFunctionCall", "src": "1327:14:64" }, "nodeType": "YulExpressionStatement", "src": "1327:14:64" }, { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "1355:4:64", "type": "", "value": "0x40" }, { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "1365:2:64", "type": "", "value": "32" }, { "arguments": [ { "name": "ptr", "nodeType": "YulIdentifier", "src": "1373:3:64" }, { "name": "capacity", "nodeType": "YulIdentifier", "src": "1378:8:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "1369:3:64" }, "nodeType": "YulFunctionCall", "src": "1369:18:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "1361:3:64" }, "nodeType": "YulFunctionCall", "src": "1361:27:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "1348:6:64" }, "nodeType": "YulFunctionCall", "src": "1348:41:64" }, "nodeType": "YulExpressionStatement", "src": "1348:41:64" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 24664, "isOffset": false, "isSlot": false, "src": "1311:3:64", "valueSize": 1 }, { "declaration": 24666, "isOffset": false, "isSlot": false, "src": "1378:8:64", "valueSize": 1 } ], "id": 24694, "nodeType": "InlineAssembly", "src": "1258:137:64" }, { "expression": { "id": 24695, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24664, "src": "1407:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24671, "id": 24696, "nodeType": "Return", "src": "1400:10:64" } ] }, "documentation": { "id": 24661, "nodeType": "StructuredDocumentation", "src": "763:216:64", "text": " @dev Initializes a buffer with an initial capacity.\n @param buf The buffer to initialize.\n @param capacity The number of bytes of space to allocate the buffer.\n @return The buffer, for chaining." }, "id": 24698, "implemented": true, "kind": "function", "modifiers": [], "name": "init", "nameLocation": "991:4:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24667, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24664, "mutability": "mutable", "name": "buf", "nameLocation": "1015:3:64", "nodeType": "VariableDeclaration", "scope": 24698, "src": "1001:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24663, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24662, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "1001:6:64" }, "referencedDeclaration": 24660, "src": "1001:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24666, "mutability": "mutable", "name": "capacity", "nameLocation": "1029:8:64", "nodeType": "VariableDeclaration", "scope": 24698, "src": "1024:13:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24665, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1024:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "995:46:64" }, "returnParameters": { "id": 24671, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24670, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24698, "src": "1083:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24669, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24668, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "1083:6:64" }, "referencedDeclaration": 24660, "src": "1083:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "1075:27:64" }, "scope": 25174, "src": "982:433:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 24726, "nodeType": "Block", "src": "1750:90:64", "statements": [ { "assignments": [ 24709 ], "declarations": [ { "constant": false, "id": 24709, "mutability": "mutable", "name": "buf", "nameLocation": "1770:3:64", "nodeType": "VariableDeclaration", "scope": 24726, "src": "1756:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24708, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24707, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "1756:6:64" }, "referencedDeclaration": 24660, "src": "1756:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "id": 24710, "nodeType": "VariableDeclarationStatement", "src": "1756:17:64" }, { "expression": { "id": 24715, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "expression": { "id": 24711, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24709, "src": "1779:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24713, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "1779:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 24714, "name": "b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24701, "src": "1789:1:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "src": "1779:11:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 24716, "nodeType": "ExpressionStatement", "src": "1779:11:64" }, { "expression": { "id": 24722, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "expression": { "id": 24717, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24709, "src": "1796:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24719, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "1796:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "expression": { "id": 24720, "name": "b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24701, "src": "1811:1:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 24721, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "1811:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1796:23:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 24723, "nodeType": "ExpressionStatement", "src": "1796:23:64" }, { "expression": { "id": 24724, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24709, "src": "1832:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24706, "id": 24725, "nodeType": "Return", "src": "1825:10:64" } ] }, "documentation": { "id": 24699, "nodeType": "StructuredDocumentation", "src": "1419:222:64", "text": " @dev Initializes a new buffer from an existing bytes object.\n Changes to the buffer may mutate the original value.\n @param b The bytes object to initialize the buffer with.\n @return A new buffer." }, "id": 24727, "implemented": true, "kind": "function", "modifiers": [], "name": "fromBytes", "nameLocation": "1653:9:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24702, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24701, "mutability": "mutable", "name": "b", "nameLocation": "1681:1:64", "nodeType": "VariableDeclaration", "scope": 24727, "src": "1668:14:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 24700, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1668:5:64", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "1662:24:64" }, "returnParameters": { "id": 24706, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24705, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24727, "src": "1728:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24704, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24703, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "1728:6:64" }, "referencedDeclaration": 24660, "src": "1728:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "1720:27:64" }, "scope": 25174, "src": "1644:196:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 24750, "nodeType": "Block", "src": "1929:90:64", "statements": [ { "assignments": [ 24736 ], "declarations": [ { "constant": false, "id": 24736, "mutability": "mutable", "name": "oldbuf", "nameLocation": "1948:6:64", "nodeType": "VariableDeclaration", "scope": 24750, "src": "1935:19:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 24735, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1935:5:64", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 24739, "initialValue": { "expression": { "id": 24737, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24730, "src": "1957:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24738, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "1957:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "1935:29:64" }, { "expression": { "arguments": [ { "id": 24741, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24730, "src": "1975:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "id": 24742, "name": "capacity", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24732, "src": "1980:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 24740, "name": "init", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24698, "src": "1970:4:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 24743, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1970:19:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24744, "nodeType": "ExpressionStatement", "src": "1970:19:64" }, { "expression": { "arguments": [ { "id": 24746, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24730, "src": "2002:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "id": 24747, "name": "oldbuf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24736, "src": "2007:6:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 24745, "name": "append", "nodeType": "Identifier", "overloadedDeclarations": [ 24894, 24917 ], "referencedDeclaration": 24917, "src": "1995:6:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_bytes_memory_ptr_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,bytes memory) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 24748, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1995:19:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24749, "nodeType": "ExpressionStatement", "src": "1995:19:64" } ] }, "id": 24751, "implemented": true, "kind": "function", "modifiers": [], "name": "resize", "nameLocation": "1853:6:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24733, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24730, "mutability": "mutable", "name": "buf", "nameLocation": "1879:3:64", "nodeType": "VariableDeclaration", "scope": 24751, "src": "1865:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24729, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24728, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "1865:6:64" }, "referencedDeclaration": 24660, "src": "1865:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24732, "mutability": "mutable", "name": "capacity", "nameLocation": "1893:8:64", "nodeType": "VariableDeclaration", "scope": 24751, "src": "1888:13:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24731, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1888:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1859:46:64" }, "returnParameters": { "id": 24734, "nodeType": "ParameterList", "parameters": [], "src": "1929:0:64" }, "scope": 25174, "src": "1844:175:64", "stateMutability": "pure", "virtual": false, "visibility": "private" }, { "body": { "id": 24769, "nodeType": "Block", "src": "2117:58:64", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24762, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24760, "name": "a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24753, "src": "2127:1:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "id": 24761, "name": "b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24755, "src": "2131:1:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2127:5:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 24766, "nodeType": "IfStatement", "src": "2123:34:64", "trueBody": { "id": 24765, "nodeType": "Block", "src": "2134:23:64", "statements": [ { "expression": { "id": 24763, "name": "a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24753, "src": "2149:1:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 24759, "id": 24764, "nodeType": "Return", "src": "2142:8:64" } ] } }, { "expression": { "id": 24767, "name": "b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24755, "src": "2169:1:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 24759, "id": 24768, "nodeType": "Return", "src": "2162:8:64" } ] }, "id": 24770, "implemented": true, "kind": "function", "modifiers": [], "name": "max", "nameLocation": "2032:3:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24756, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24753, "mutability": "mutable", "name": "a", "nameLocation": "2046:1:64", "nodeType": "VariableDeclaration", "scope": 24770, "src": "2041:6:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24752, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2041:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 24755, "mutability": "mutable", "name": "b", "nameLocation": "2058:1:64", "nodeType": "VariableDeclaration", "scope": 24770, "src": "2053:6:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24754, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2053:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2035:28:64" }, "returnParameters": { "id": 24759, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24758, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24770, "src": "2104:4:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24757, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2104:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2096:18:64" }, "scope": 25174, "src": "2023:152:64", "stateMutability": "pure", "virtual": false, "visibility": "private" }, { "body": { "id": 24783, "nodeType": "Block", "src": "2420:97:64", "statements": [ { "AST": { "nodeType": "YulBlock", "src": "2435:62:64", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "2443:24:64", "value": { "arguments": [ { "name": "buf", "nodeType": "YulIdentifier", "src": "2463:3:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "2457:5:64" }, "nodeType": "YulFunctionCall", "src": "2457:10:64" }, "variables": [ { "name": "bufptr", "nodeType": "YulTypedName", "src": "2447:6:64", "type": "" } ] }, { "expression": { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "2481:6:64" }, { "kind": "number", "nodeType": "YulLiteral", "src": "2489:1:64", "type": "", "value": "0" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "2474:6:64" }, "nodeType": "YulFunctionCall", "src": "2474:17:64" }, "nodeType": "YulExpressionStatement", "src": "2474:17:64" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 24774, "isOffset": false, "isSlot": false, "src": "2463:3:64", "valueSize": 1 } ], "id": 24780, "nodeType": "InlineAssembly", "src": "2426:71:64" }, { "expression": { "id": 24781, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24774, "src": "2509:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24779, "id": 24782, "nodeType": "Return", "src": "2502:10:64" } ] }, "documentation": { "id": 24771, "nodeType": "StructuredDocumentation", "src": "2179:129:64", "text": " @dev Sets buffer length to 0.\n @param buf The buffer to truncate.\n @return The original buffer, for chaining.." }, "id": 24784, "implemented": true, "kind": "function", "modifiers": [], "name": "truncate", "nameLocation": "2320:8:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24775, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24774, "mutability": "mutable", "name": "buf", "nameLocation": "2348:3:64", "nodeType": "VariableDeclaration", "scope": 24784, "src": "2334:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24773, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24772, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "2334:6:64" }, "referencedDeclaration": 24660, "src": "2334:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "2328:27:64" }, "returnParameters": { "id": 24779, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24778, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24784, "src": "2398:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24777, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24776, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "2398:6:64" }, "referencedDeclaration": 24660, "src": "2398:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "2390:27:64" }, "scope": 25174, "src": "2311:206:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 24869, "nodeType": "Block", "src": "3013:1066:64", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24801, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24794, "src": "3027:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "expression": { "id": 24802, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24792, "src": "3034:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 24803, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "3034:11:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3027:18:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 24800, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "3019:7:64", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 24805, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3019:27:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 24806, "nodeType": "ExpressionStatement", "src": "3019:27:64" }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24812, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24809, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24807, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24790, "src": "3057:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 24808, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24794, "src": "3063:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3057:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "expression": { "id": 24810, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24788, "src": "3069:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24811, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "3069:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3057:24:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 24827, "nodeType": "IfStatement", "src": "3053:90:64", "trueBody": { "id": 24826, "nodeType": "Block", "src": "3083:60:64", "statements": [ { "expression": { "arguments": [ { "id": 24814, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24788, "src": "3098:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24823, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [ { "expression": { "id": 24816, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24788, "src": "3107:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24817, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "3107:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24820, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24818, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24794, "src": "3121:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 24819, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24790, "src": "3127:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3121:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 24815, "name": "max", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24770, "src": "3103:3:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 24821, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3103:28:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "hexValue": "32", "id": 24822, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3134:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "3103:32:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 24813, "name": "resize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24751, "src": "3091:6:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$returns$__$", "typeString": "function (struct BufferChainlink.buffer memory,uint256) pure" } }, "id": 24824, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3091:45:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 24825, "nodeType": "ExpressionStatement", "src": "3091:45:64" } ] } }, { "assignments": [ 24829 ], "declarations": [ { "constant": false, "id": 24829, "mutability": "mutable", "name": "dest", "nameLocation": "3154:4:64", "nodeType": "VariableDeclaration", "scope": 24869, "src": "3149:9:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24828, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3149:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 24830, "nodeType": "VariableDeclarationStatement", "src": "3149:9:64" }, { "assignments": [ 24832 ], "declarations": [ { "constant": false, "id": 24832, "mutability": "mutable", "name": "src", "nameLocation": "3169:3:64", "nodeType": "VariableDeclaration", "scope": 24869, "src": "3164:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24831, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3164:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 24833, "nodeType": "VariableDeclarationStatement", "src": "3164:8:64" }, { "AST": { "nodeType": "YulBlock", "src": "3187:430:64", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "3238:24:64", "value": { "arguments": [ { "name": "buf", "nodeType": "YulIdentifier", "src": "3258:3:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "3252:5:64" }, "nodeType": "YulFunctionCall", "src": "3252:10:64" }, "variables": [ { "name": "bufptr", "nodeType": "YulTypedName", "src": "3242:6:64", "type": "" } ] }, { "nodeType": "YulVariableDeclaration", "src": "3309:27:64", "value": { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "3329:6:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "3323:5:64" }, "nodeType": "YulFunctionCall", "src": "3323:13:64" }, "variables": [ { "name": "buflen", "nodeType": "YulTypedName", "src": "3313:6:64", "type": "" } ] }, { "nodeType": "YulAssignment", "src": "3416:33:64", "value": { "arguments": [ { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "3432:6:64" }, { "kind": "number", "nodeType": "YulLiteral", "src": "3440:2:64", "type": "", "value": "32" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "3428:3:64" }, "nodeType": "YulFunctionCall", "src": "3428:15:64" }, { "name": "off", "nodeType": "YulIdentifier", "src": "3445:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "3424:3:64" }, "nodeType": "YulFunctionCall", "src": "3424:25:64" }, "variableNames": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "3416:4:64" } ] }, { "body": { "nodeType": "YulBlock", "src": "3537:47:64", "statements": [ { "expression": { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "3554:6:64" }, { "arguments": [ { "name": "len", "nodeType": "YulIdentifier", "src": "3566:3:64" }, { "name": "off", "nodeType": "YulIdentifier", "src": "3571:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "3562:3:64" }, "nodeType": "YulFunctionCall", "src": "3562:13:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "3547:6:64" }, "nodeType": "YulFunctionCall", "src": "3547:29:64" }, "nodeType": "YulExpressionStatement", "src": "3547:29:64" } ] }, "condition": { "arguments": [ { "arguments": [ { "name": "len", "nodeType": "YulIdentifier", "src": "3518:3:64" }, { "name": "off", "nodeType": "YulIdentifier", "src": "3523:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "3514:3:64" }, "nodeType": "YulFunctionCall", "src": "3514:13:64" }, { "name": "buflen", "nodeType": "YulIdentifier", "src": "3529:6:64" } ], "functionName": { "name": "gt", "nodeType": "YulIdentifier", "src": "3511:2:64" }, "nodeType": "YulFunctionCall", "src": "3511:25:64" }, "nodeType": "YulIf", "src": "3508:2:64" }, { "nodeType": "YulAssignment", "src": "3591:20:64", "value": { "arguments": [ { "name": "data", "nodeType": "YulIdentifier", "src": "3602:4:64" }, { "kind": "number", "nodeType": "YulLiteral", "src": "3608:2:64", "type": "", "value": "32" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "3598:3:64" }, "nodeType": "YulFunctionCall", "src": "3598:13:64" }, "variableNames": [ { "name": "src", "nodeType": "YulIdentifier", "src": "3591:3:64" } ] } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 24788, "isOffset": false, "isSlot": false, "src": "3258:3:64", "valueSize": 1 }, { "declaration": 24792, "isOffset": false, "isSlot": false, "src": "3602:4:64", "valueSize": 1 }, { "declaration": 24829, "isOffset": false, "isSlot": false, "src": "3416:4:64", "valueSize": 1 }, { "declaration": 24794, "isOffset": false, "isSlot": false, "src": "3518:3:64", "valueSize": 1 }, { "declaration": 24794, "isOffset": false, "isSlot": false, "src": "3566:3:64", "valueSize": 1 }, { "declaration": 24790, "isOffset": false, "isSlot": false, "src": "3445:3:64", "valueSize": 1 }, { "declaration": 24790, "isOffset": false, "isSlot": false, "src": "3523:3:64", "valueSize": 1 }, { "declaration": 24790, "isOffset": false, "isSlot": false, "src": "3571:3:64", "valueSize": 1 }, { "declaration": 24832, "isOffset": false, "isSlot": false, "src": "3591:3:64", "valueSize": 1 } ], "id": 24834, "nodeType": "InlineAssembly", "src": "3178:439:64" }, { "body": { "id": 24851, "nodeType": "Block", "src": "3698:100:64", "statements": [ { "AST": { "nodeType": "YulBlock", "src": "3715:42:64", "statements": [ { "expression": { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "3732:4:64" }, { "arguments": [ { "name": "src", "nodeType": "YulIdentifier", "src": "3744:3:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "3738:5:64" }, "nodeType": "YulFunctionCall", "src": "3738:10:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "3725:6:64" }, "nodeType": "YulFunctionCall", "src": "3725:24:64" }, "nodeType": "YulExpressionStatement", "src": "3725:24:64" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 24829, "isOffset": false, "isSlot": false, "src": "3732:4:64", "valueSize": 1 }, { "declaration": 24832, "isOffset": false, "isSlot": false, "src": "3744:3:64", "valueSize": 1 } ], "id": 24842, "nodeType": "InlineAssembly", "src": "3706:51:64" }, { "expression": { "id": 24845, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 24843, "name": "dest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24829, "src": "3764:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "hexValue": "3332", "id": 24844, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3772:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "3764:10:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 24846, "nodeType": "ExpressionStatement", "src": "3764:10:64" }, { "expression": { "id": 24849, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 24847, "name": "src", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24832, "src": "3782:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "hexValue": "3332", "id": 24848, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3789:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "3782:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 24850, "nodeType": "ExpressionStatement", "src": "3782:9:64" } ] }, "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24837, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24835, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24794, "src": "3676:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "hexValue": "3332", "id": 24836, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3683:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "3676:9:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 24852, "loopExpression": { "expression": { "id": 24840, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 24838, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24794, "src": "3687:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "hexValue": "3332", "id": 24839, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3694:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "3687:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 24841, "nodeType": "ExpressionStatement", "src": "3687:9:64" }, "nodeType": "ForStatement", "src": "3669:129:64" }, { "id": 24866, "nodeType": "UncheckedBlock", "src": "3832:226:64", "statements": [ { "assignments": [ 24854 ], "declarations": [ { "constant": false, "id": 24854, "mutability": "mutable", "name": "mask", "nameLocation": "3855:4:64", "nodeType": "VariableDeclaration", "scope": 24866, "src": "3850:9:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24853, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3850:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 24864, "initialValue": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24863, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24860, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "323536", "id": 24855, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3863:3:64", "typeDescriptions": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" }, "value": "256" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24858, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "3332", "id": 24856, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3871:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 24857, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24794, "src": "3876:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3871:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 24859, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "3870:10:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3863:17:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 24861, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "3862:19:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "hexValue": "31", "id": 24862, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3884:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "3862:23:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "3850:35:64" }, { "AST": { "nodeType": "YulBlock", "src": "3902:150:64", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "3912:41:64", "value": { "arguments": [ { "arguments": [ { "name": "src", "nodeType": "YulIdentifier", "src": "3937:3:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "3931:5:64" }, "nodeType": "YulFunctionCall", "src": "3931:10:64" }, { "arguments": [ { "name": "mask", "nodeType": "YulIdentifier", "src": "3947:4:64" } ], "functionName": { "name": "not", "nodeType": "YulIdentifier", "src": "3943:3:64" }, "nodeType": "YulFunctionCall", "src": "3943:9:64" } ], "functionName": { "name": "and", "nodeType": "YulIdentifier", "src": "3927:3:64" }, "nodeType": "YulFunctionCall", "src": "3927:26:64" }, "variables": [ { "name": "srcpart", "nodeType": "YulTypedName", "src": "3916:7:64", "type": "" } ] }, { "nodeType": "YulVariableDeclaration", "src": "3962:38:64", "value": { "arguments": [ { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "3988:4:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "3982:5:64" }, "nodeType": "YulFunctionCall", "src": "3982:11:64" }, { "name": "mask", "nodeType": "YulIdentifier", "src": "3995:4:64" } ], "functionName": { "name": "and", "nodeType": "YulIdentifier", "src": "3978:3:64" }, "nodeType": "YulFunctionCall", "src": "3978:22:64" }, "variables": [ { "name": "destpart", "nodeType": "YulTypedName", "src": "3966:8:64", "type": "" } ] }, { "expression": { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "4016:4:64" }, { "arguments": [ { "name": "destpart", "nodeType": "YulIdentifier", "src": "4025:8:64" }, { "name": "srcpart", "nodeType": "YulIdentifier", "src": "4035:7:64" } ], "functionName": { "name": "or", "nodeType": "YulIdentifier", "src": "4022:2:64" }, "nodeType": "YulFunctionCall", "src": "4022:21:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "4009:6:64" }, "nodeType": "YulFunctionCall", "src": "4009:35:64" }, "nodeType": "YulExpressionStatement", "src": "4009:35:64" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 24829, "isOffset": false, "isSlot": false, "src": "3988:4:64", "valueSize": 1 }, { "declaration": 24829, "isOffset": false, "isSlot": false, "src": "4016:4:64", "valueSize": 1 }, { "declaration": 24854, "isOffset": false, "isSlot": false, "src": "3947:4:64", "valueSize": 1 }, { "declaration": 24854, "isOffset": false, "isSlot": false, "src": "3995:4:64", "valueSize": 1 }, { "declaration": 24832, "isOffset": false, "isSlot": false, "src": "3937:3:64", "valueSize": 1 } ], "id": 24865, "nodeType": "InlineAssembly", "src": "3893:159:64" } ] }, { "expression": { "id": 24867, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24788, "src": "4071:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24799, "id": 24868, "nodeType": "Return", "src": "4064:10:64" } ] }, "documentation": { "id": 24785, "nodeType": "StructuredDocumentation", "src": "2521:333:64", "text": " @dev Writes a byte string to a buffer. Resizes if doing so would exceed\n the capacity of the buffer.\n @param buf The buffer to append to.\n @param off The start offset to write to.\n @param data The data to append.\n @param len The number of bytes to copy.\n @return The original buffer, for chaining." }, "id": 24870, "implemented": true, "kind": "function", "modifiers": [], "name": "write", "nameLocation": "2866:5:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24795, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24788, "mutability": "mutable", "name": "buf", "nameLocation": "2891:3:64", "nodeType": "VariableDeclaration", "scope": 24870, "src": "2877:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24787, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24786, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "2877:6:64" }, "referencedDeclaration": 24660, "src": "2877:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24790, "mutability": "mutable", "name": "off", "nameLocation": "2905:3:64", "nodeType": "VariableDeclaration", "scope": 24870, "src": "2900:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24789, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2900:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 24792, "mutability": "mutable", "name": "data", "nameLocation": "2927:4:64", "nodeType": "VariableDeclaration", "scope": 24870, "src": "2914:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 24791, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2914:5:64", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 24794, "mutability": "mutable", "name": "len", "nameLocation": "2942:3:64", "nodeType": "VariableDeclaration", "scope": 24870, "src": "2937:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24793, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2937:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2871:78:64" }, "returnParameters": { "id": 24799, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24798, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24870, "src": "2991:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24797, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24796, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "2991:6:64" }, "referencedDeclaration": 24660, "src": "2991:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "2983:27:64" }, "scope": 25174, "src": "2857:1222:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 24893, "nodeType": "Block", "src": "4519:55:64", "statements": [ { "expression": { "arguments": [ { "id": 24885, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24874, "src": "4538:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "expression": { "expression": { "id": 24886, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24874, "src": "4543:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24887, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "4543:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 24888, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "4543:14:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 24889, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24876, "src": "4559:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "id": 24890, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24878, "src": "4565:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 24884, "name": "write", "nodeType": "Identifier", "overloadedDeclarations": [ 24870, 25030 ], "referencedDeclaration": 24870, "src": "4532:5:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$_t_bytes_memory_ptr_$_t_uint256_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256,bytes memory,uint256) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 24891, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4532:37:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24883, "id": 24892, "nodeType": "Return", "src": "4525:44:64" } ] }, "documentation": { "id": 24871, "nodeType": "StructuredDocumentation", "src": "4083:289:64", "text": " @dev Appends a byte string to a buffer. Resizes if doing so would exceed\n the capacity of the buffer.\n @param buf The buffer to append to.\n @param data The data to append.\n @param len The number of bytes to copy.\n @return The original buffer, for chaining." }, "id": 24894, "implemented": true, "kind": "function", "modifiers": [], "name": "append", "nameLocation": "4384:6:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24879, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24874, "mutability": "mutable", "name": "buf", "nameLocation": "4410:3:64", "nodeType": "VariableDeclaration", "scope": 24894, "src": "4396:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24873, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24872, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "4396:6:64" }, "referencedDeclaration": 24660, "src": "4396:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24876, "mutability": "mutable", "name": "data", "nameLocation": "4432:4:64", "nodeType": "VariableDeclaration", "scope": 24894, "src": "4419:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 24875, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4419:5:64", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 24878, "mutability": "mutable", "name": "len", "nameLocation": "4447:3:64", "nodeType": "VariableDeclaration", "scope": 24894, "src": "4442:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24877, "name": "uint", "nodeType": "ElementaryTypeName", "src": "4442:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4390:64:64" }, "returnParameters": { "id": 24883, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24882, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24894, "src": "4497:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24881, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24880, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "4497:6:64" }, "referencedDeclaration": 24660, "src": "4497:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "4489:27:64" }, "scope": 25174, "src": "4375:199:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 24916, "nodeType": "Block", "src": "4956:63:64", "statements": [ { "expression": { "arguments": [ { "id": 24907, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24898, "src": "4975:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "expression": { "expression": { "id": 24908, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24898, "src": "4980:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24909, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "4980:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 24910, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "4980:14:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 24911, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24900, "src": "4996:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "expression": { "id": 24912, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24900, "src": "5002:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 24913, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "5002:11:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 24906, "name": "write", "nodeType": "Identifier", "overloadedDeclarations": [ 24870, 25030 ], "referencedDeclaration": 24870, "src": "4969:5:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$_t_bytes_memory_ptr_$_t_uint256_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256,bytes memory,uint256) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 24914, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4969:45:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24905, "id": 24915, "nodeType": "Return", "src": "4962:52:64" } ] }, "documentation": { "id": 24895, "nodeType": "StructuredDocumentation", "src": "4578:245:64", "text": " @dev Appends a byte string to a buffer. Resizes if doing so would exceed\n the capacity of the buffer.\n @param buf The buffer to append to.\n @param data The data to append.\n @return The original buffer, for chaining." }, "id": 24917, "implemented": true, "kind": "function", "modifiers": [], "name": "append", "nameLocation": "4835:6:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24901, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24898, "mutability": "mutable", "name": "buf", "nameLocation": "4861:3:64", "nodeType": "VariableDeclaration", "scope": 24917, "src": "4847:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24897, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24896, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "4847:6:64" }, "referencedDeclaration": 24660, "src": "4847:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24900, "mutability": "mutable", "name": "data", "nameLocation": "4883:4:64", "nodeType": "VariableDeclaration", "scope": 24917, "src": "4870:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 24899, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4870:5:64", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4841:50:64" }, "returnParameters": { "id": 24905, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24904, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24917, "src": "4934:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24903, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24902, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "4934:6:64" }, "referencedDeclaration": 24660, "src": "4934:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "4926:27:64" }, "scope": 25174, "src": "4826:193:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 24948, "nodeType": "Block", "src": "5453:521:64", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24934, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24931, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24923, "src": "5463:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "expression": { "id": 24932, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24921, "src": "5470:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24933, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "5470:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5463:19:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 24944, "nodeType": "IfStatement", "src": "5459:69:64", "trueBody": { "id": 24943, "nodeType": "Block", "src": "5484:44:64", "statements": [ { "expression": { "arguments": [ { "id": 24936, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24921, "src": "5499:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24940, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 24937, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24921, "src": "5504:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24938, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "5504:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "hexValue": "32", "id": 24939, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "5519:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "5504:16:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 24935, "name": "resize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24751, "src": "5492:6:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$returns$__$", "typeString": "function (struct BufferChainlink.buffer memory,uint256) pure" } }, "id": 24941, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5492:29:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 24942, "nodeType": "ExpressionStatement", "src": "5492:29:64" } ] } }, { "AST": { "nodeType": "YulBlock", "src": "5543:411:64", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "5594:24:64", "value": { "arguments": [ { "name": "buf", "nodeType": "YulIdentifier", "src": "5614:3:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "5608:5:64" }, "nodeType": "YulFunctionCall", "src": "5608:10:64" }, "variables": [ { "name": "bufptr", "nodeType": "YulTypedName", "src": "5598:6:64", "type": "" } ] }, { "nodeType": "YulVariableDeclaration", "src": "5665:27:64", "value": { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "5685:6:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "5679:5:64" }, "nodeType": "YulFunctionCall", "src": "5679:13:64" }, "variables": [ { "name": "buflen", "nodeType": "YulTypedName", "src": "5669:6:64", "type": "" } ] }, { "nodeType": "YulVariableDeclaration", "src": "5763:37:64", "value": { "arguments": [ { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "5783:6:64" }, { "name": "off", "nodeType": "YulIdentifier", "src": "5791:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "5779:3:64" }, "nodeType": "YulFunctionCall", "src": "5779:16:64" }, { "kind": "number", "nodeType": "YulLiteral", "src": "5797:2:64", "type": "", "value": "32" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "5775:3:64" }, "nodeType": "YulFunctionCall", "src": "5775:25:64" }, "variables": [ { "name": "dest", "nodeType": "YulTypedName", "src": "5767:4:64", "type": "" } ] }, { "expression": { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "5815:4:64" }, { "name": "data", "nodeType": "YulIdentifier", "src": "5821:4:64" } ], "functionName": { "name": "mstore8", "nodeType": "YulIdentifier", "src": "5807:7:64" }, "nodeType": "YulFunctionCall", "src": "5807:19:64" }, "nodeType": "YulExpressionStatement", "src": "5807:19:64" }, { "body": { "nodeType": "YulBlock", "src": "5900:48:64", "statements": [ { "expression": { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "5917:6:64" }, { "arguments": [ { "name": "buflen", "nodeType": "YulIdentifier", "src": "5929:6:64" }, { "kind": "number", "nodeType": "YulLiteral", "src": "5937:1:64", "type": "", "value": "1" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "5925:3:64" }, "nodeType": "YulFunctionCall", "src": "5925:14:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "5910:6:64" }, "nodeType": "YulFunctionCall", "src": "5910:30:64" }, "nodeType": "YulExpressionStatement", "src": "5910:30:64" } ] }, "condition": { "arguments": [ { "name": "off", "nodeType": "YulIdentifier", "src": "5887:3:64" }, { "name": "buflen", "nodeType": "YulIdentifier", "src": "5892:6:64" } ], "functionName": { "name": "eq", "nodeType": "YulIdentifier", "src": "5884:2:64" }, "nodeType": "YulFunctionCall", "src": "5884:15:64" }, "nodeType": "YulIf", "src": "5881:2:64" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 24921, "isOffset": false, "isSlot": false, "src": "5614:3:64", "valueSize": 1 }, { "declaration": 24925, "isOffset": false, "isSlot": false, "src": "5821:4:64", "valueSize": 1 }, { "declaration": 24923, "isOffset": false, "isSlot": false, "src": "5791:3:64", "valueSize": 1 }, { "declaration": 24923, "isOffset": false, "isSlot": false, "src": "5887:3:64", "valueSize": 1 } ], "id": 24945, "nodeType": "InlineAssembly", "src": "5534:420:64" }, { "expression": { "id": 24946, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24921, "src": "5966:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24930, "id": 24947, "nodeType": "Return", "src": "5959:10:64" } ] }, "documentation": { "id": 24918, "nodeType": "StructuredDocumentation", "src": "5023:287:64", "text": " @dev Writes a byte to the buffer. Resizes if doing so would exceed the\n capacity of the buffer.\n @param buf The buffer to append to.\n @param off The offset to write the byte at.\n @param data The data to append.\n @return The original buffer, for chaining." }, "id": 24949, "implemented": true, "kind": "function", "modifiers": [], "name": "writeUint8", "nameLocation": "5322:10:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24926, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24921, "mutability": "mutable", "name": "buf", "nameLocation": "5352:3:64", "nodeType": "VariableDeclaration", "scope": 24949, "src": "5338:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24920, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24919, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "5338:6:64" }, "referencedDeclaration": 24660, "src": "5338:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24923, "mutability": "mutable", "name": "off", "nameLocation": "5366:3:64", "nodeType": "VariableDeclaration", "scope": 24949, "src": "5361:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24922, "name": "uint", "nodeType": "ElementaryTypeName", "src": "5361:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 24925, "mutability": "mutable", "name": "data", "nameLocation": "5381:4:64", "nodeType": "VariableDeclaration", "scope": 24949, "src": "5375:10:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 24924, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "5375:5:64", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "5332:57:64" }, "returnParameters": { "id": 24930, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24929, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24949, "src": "5431:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24928, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24927, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "5431:6:64" }, "referencedDeclaration": 24660, "src": "5431:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "5423:27:64" }, "scope": 25174, "src": "5313:661:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 24969, "nodeType": "Block", "src": "6348:55:64", "statements": [ { "expression": { "arguments": [ { "id": 24962, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24953, "src": "6372:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "expression": { "expression": { "id": 24963, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24953, "src": "6377:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24964, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "6377:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 24965, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "6377:14:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 24966, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24955, "src": "6393:4:64", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "id": 24961, "name": "writeUint8", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24949, "src": "6361:10:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$_t_uint8_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256,uint8) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 24967, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6361:37:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24960, "id": 24968, "nodeType": "Return", "src": "6354:44:64" } ] }, "documentation": { "id": 24950, "nodeType": "StructuredDocumentation", "src": "5978:240:64", "text": " @dev Appends a byte to the buffer. Resizes if doing so would exceed the\n capacity of the buffer.\n @param buf The buffer to append to.\n @param data The data to append.\n @return The original buffer, for chaining." }, "id": 24970, "implemented": true, "kind": "function", "modifiers": [], "name": "appendUint8", "nameLocation": "6230:11:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24956, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24953, "mutability": "mutable", "name": "buf", "nameLocation": "6261:3:64", "nodeType": "VariableDeclaration", "scope": 24970, "src": "6247:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24952, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24951, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "6247:6:64" }, "referencedDeclaration": 24660, "src": "6247:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24955, "mutability": "mutable", "name": "data", "nameLocation": "6276:4:64", "nodeType": "VariableDeclaration", "scope": 24970, "src": "6270:10:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 24954, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "6270:5:64", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "src": "6241:43:64" }, "returnParameters": { "id": 24960, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24959, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 24970, "src": "6326:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24958, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24957, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "6326:6:64" }, "referencedDeclaration": 24660, "src": "6326:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "6318:27:64" }, "scope": 25174, "src": "6221:182:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 25029, "nodeType": "Block", "src": "6906:651:64", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24991, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24988, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24986, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24980, "src": "6916:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 24987, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24976, "src": "6922:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6916:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "expression": { "id": 24989, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24974, "src": "6928:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 24990, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "6928:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6916:24:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 25003, "nodeType": "IfStatement", "src": "6912:73:64", "trueBody": { "id": 25002, "nodeType": "Block", "src": "6942:43:64", "statements": [ { "expression": { "arguments": [ { "id": 24993, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24974, "src": "6957:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24999, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 24996, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 24994, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24980, "src": "6963:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 24995, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24976, "src": "6969:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6963:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 24997, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "6962:11:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "hexValue": "32", "id": 24998, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6976:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "6962:15:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 24992, "name": "resize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24751, "src": "6950:6:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$returns$__$", "typeString": "function (struct BufferChainlink.buffer memory,uint256) pure" } }, "id": 25000, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6950:28:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 25001, "nodeType": "ExpressionStatement", "src": "6950:28:64" } ] } }, { "id": 25026, "nodeType": "UncheckedBlock", "src": "6991:546:64", "statements": [ { "assignments": [ 25005 ], "declarations": [ { "constant": false, "id": 25005, "mutability": "mutable", "name": "mask", "nameLocation": "7014:4:64", "nodeType": "VariableDeclaration", "scope": 25026, "src": "7009:9:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25004, "name": "uint", "nodeType": "ElementaryTypeName", "src": "7009:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 25012, "initialValue": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25011, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25008, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "323536", "id": 25006, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7022:3:64", "typeDescriptions": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" }, "value": "256" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "id": 25007, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24980, "src": "7029:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7022:10:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 25009, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "7021:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "hexValue": "31", "id": 25010, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7036:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "7021:16:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "7009:28:64" }, { "expression": { "id": 25023, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 25013, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24978, "src": "7071:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "commonType": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "id": 25022, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 25014, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24978, "src": "7078:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "BinaryOperation", "operator": ">>", "rightExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25020, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "38", "id": 25015, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7087:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_8_by_1", "typeString": "int_const 8" }, "value": "8" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25018, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "3332", "id": 25016, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7092:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "id": 25017, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24980, "src": "7097:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7092:8:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 25019, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "7091:10:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7087:14:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 25021, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "7086:16:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7078:24:64", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "7071:31:64", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 25024, "nodeType": "ExpressionStatement", "src": "7071:31:64" }, { "AST": { "nodeType": "YulBlock", "src": "7119:412:64", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "7174:24:64", "value": { "arguments": [ { "name": "buf", "nodeType": "YulIdentifier", "src": "7194:3:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "7188:5:64" }, "nodeType": "YulFunctionCall", "src": "7188:10:64" }, "variables": [ { "name": "bufptr", "nodeType": "YulTypedName", "src": "7178:6:64", "type": "" } ] }, { "nodeType": "YulVariableDeclaration", "src": "7279:38:64", "value": { "arguments": [ { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "7299:6:64" }, { "name": "off", "nodeType": "YulIdentifier", "src": "7307:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7295:3:64" }, "nodeType": "YulFunctionCall", "src": "7295:16:64" }, { "name": "len", "nodeType": "YulIdentifier", "src": "7313:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7291:3:64" }, "nodeType": "YulFunctionCall", "src": "7291:26:64" }, "variables": [ { "name": "dest", "nodeType": "YulTypedName", "src": "7283:4:64", "type": "" } ] }, { "expression": { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "7333:4:64" }, { "arguments": [ { "arguments": [ { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "7352:4:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "7346:5:64" }, "nodeType": "YulFunctionCall", "src": "7346:11:64" }, { "arguments": [ { "name": "mask", "nodeType": "YulIdentifier", "src": "7363:4:64" } ], "functionName": { "name": "not", "nodeType": "YulIdentifier", "src": "7359:3:64" }, "nodeType": "YulFunctionCall", "src": "7359:9:64" } ], "functionName": { "name": "and", "nodeType": "YulIdentifier", "src": "7342:3:64" }, "nodeType": "YulFunctionCall", "src": "7342:27:64" }, { "name": "data", "nodeType": "YulIdentifier", "src": "7371:4:64" } ], "functionName": { "name": "or", "nodeType": "YulIdentifier", "src": "7339:2:64" }, "nodeType": "YulFunctionCall", "src": "7339:37:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "7326:6:64" }, "nodeType": "YulFunctionCall", "src": "7326:51:64" }, "nodeType": "YulExpressionStatement", "src": "7326:51:64" }, { "body": { "nodeType": "YulBlock", "src": "7472:51:64", "statements": [ { "expression": { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "7491:6:64" }, { "arguments": [ { "name": "off", "nodeType": "YulIdentifier", "src": "7503:3:64" }, { "name": "len", "nodeType": "YulIdentifier", "src": "7508:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7499:3:64" }, "nodeType": "YulFunctionCall", "src": "7499:13:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "7484:6:64" }, "nodeType": "YulFunctionCall", "src": "7484:29:64" }, "nodeType": "YulExpressionStatement", "src": "7484:29:64" } ] }, "condition": { "arguments": [ { "arguments": [ { "name": "off", "nodeType": "YulIdentifier", "src": "7446:3:64" }, { "name": "len", "nodeType": "YulIdentifier", "src": "7451:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7442:3:64" }, "nodeType": "YulFunctionCall", "src": "7442:13:64" }, { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "7463:6:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "7457:5:64" }, "nodeType": "YulFunctionCall", "src": "7457:13:64" } ], "functionName": { "name": "gt", "nodeType": "YulIdentifier", "src": "7439:2:64" }, "nodeType": "YulFunctionCall", "src": "7439:32:64" }, "nodeType": "YulIf", "src": "7436:2:64" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 24974, "isOffset": false, "isSlot": false, "src": "7194:3:64", "valueSize": 1 }, { "declaration": 24978, "isOffset": false, "isSlot": false, "src": "7371:4:64", "valueSize": 1 }, { "declaration": 24980, "isOffset": false, "isSlot": false, "src": "7313:3:64", "valueSize": 1 }, { "declaration": 24980, "isOffset": false, "isSlot": false, "src": "7451:3:64", "valueSize": 1 }, { "declaration": 24980, "isOffset": false, "isSlot": false, "src": "7508:3:64", "valueSize": 1 }, { "declaration": 25005, "isOffset": false, "isSlot": false, "src": "7363:4:64", "valueSize": 1 }, { "declaration": 24976, "isOffset": false, "isSlot": false, "src": "7307:3:64", "valueSize": 1 }, { "declaration": 24976, "isOffset": false, "isSlot": false, "src": "7446:3:64", "valueSize": 1 }, { "declaration": 24976, "isOffset": false, "isSlot": false, "src": "7503:3:64", "valueSize": 1 } ], "id": 25025, "nodeType": "InlineAssembly", "src": "7110:421:64" } ] }, { "expression": { "id": 25027, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24974, "src": "7549:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 24985, "id": 25028, "nodeType": "Return", "src": "7542:10:64" } ] }, "documentation": { "id": 24971, "nodeType": "StructuredDocumentation", "src": "6407:346:64", "text": " @dev Writes up to 32 bytes to the buffer. Resizes if doing so would\n exceed the capacity of the buffer.\n @param buf The buffer to append to.\n @param off The offset to write at.\n @param data The data to append.\n @param len The number of bytes to write (left-aligned).\n @return The original buffer, for chaining." }, "id": 25030, "implemented": true, "kind": "function", "modifiers": [], "name": "write", "nameLocation": "6765:5:64", "nodeType": "FunctionDefinition", "parameters": { "id": 24981, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24974, "mutability": "mutable", "name": "buf", "nameLocation": "6790:3:64", "nodeType": "VariableDeclaration", "scope": 25030, "src": "6776:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24973, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24972, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "6776:6:64" }, "referencedDeclaration": 24660, "src": "6776:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 24976, "mutability": "mutable", "name": "off", "nameLocation": "6804:3:64", "nodeType": "VariableDeclaration", "scope": 25030, "src": "6799:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24975, "name": "uint", "nodeType": "ElementaryTypeName", "src": "6799:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 24978, "mutability": "mutable", "name": "data", "nameLocation": "6821:4:64", "nodeType": "VariableDeclaration", "scope": 25030, "src": "6813:12:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 24977, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "6813:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" }, { "constant": false, "id": 24980, "mutability": "mutable", "name": "len", "nameLocation": "6836:3:64", "nodeType": "VariableDeclaration", "scope": 25030, "src": "6831:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 24979, "name": "uint", "nodeType": "ElementaryTypeName", "src": "6831:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "6770:73:64" }, "returnParameters": { "id": 24985, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 24984, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 25030, "src": "6884:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 24983, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 24982, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "6884:6:64" }, "referencedDeclaration": 24660, "src": "6884:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "6876:27:64" }, "scope": 25174, "src": "6756:801:64", "stateMutability": "pure", "virtual": false, "visibility": "private" }, { "body": { "id": 25054, "nodeType": "Block", "src": "7990:52:64", "statements": [ { "expression": { "arguments": [ { "id": 25045, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25034, "src": "8009:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "id": 25046, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25036, "src": "8014:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "arguments": [ { "id": 25049, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25038, "src": "8027:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } ], "id": 25048, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8019:7:64", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": { "id": 25047, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "8019:7:64", "typeDescriptions": {} } }, "id": 25050, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8019:13:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "hexValue": "3230", "id": 25051, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8034:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" } ], "id": 25044, "name": "write", "nodeType": "Identifier", "overloadedDeclarations": [ 24870, 25030 ], "referencedDeclaration": 25030, "src": "8003:5:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$_t_bytes32_$_t_uint256_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256,bytes32,uint256) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 25052, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8003:34:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 25043, "id": 25053, "nodeType": "Return", "src": "7996:41:64" } ] }, "documentation": { "id": 25031, "nodeType": "StructuredDocumentation", "src": "7561:281:64", "text": " @dev Writes a bytes20 to the buffer. Resizes if doing so would exceed the\n capacity of the buffer.\n @param buf The buffer to append to.\n @param off The offset to write at.\n @param data The data to append.\n @return The original buffer, for chaining." }, "id": 25055, "implemented": true, "kind": "function", "modifiers": [], "name": "writeBytes20", "nameLocation": "7854:12:64", "nodeType": "FunctionDefinition", "parameters": { "id": 25039, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25034, "mutability": "mutable", "name": "buf", "nameLocation": "7886:3:64", "nodeType": "VariableDeclaration", "scope": 25055, "src": "7872:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25033, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25032, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "7872:6:64" }, "referencedDeclaration": 24660, "src": "7872:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 25036, "mutability": "mutable", "name": "off", "nameLocation": "7900:3:64", "nodeType": "VariableDeclaration", "scope": 25055, "src": "7895:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25035, "name": "uint", "nodeType": "ElementaryTypeName", "src": "7895:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 25038, "mutability": "mutable", "name": "data", "nameLocation": "7917:4:64", "nodeType": "VariableDeclaration", "scope": 25055, "src": "7909:12:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" }, "typeName": { "id": 25037, "name": "bytes20", "nodeType": "ElementaryTypeName", "src": "7909:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } }, "visibility": "internal" } ], "src": "7866:59:64" }, "returnParameters": { "id": 25043, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25042, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 25055, "src": "7968:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25041, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25040, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "7968:6:64" }, "referencedDeclaration": 24660, "src": "7968:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "7960:27:64" }, "scope": 25174, "src": "7845:197:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 25079, "nodeType": "Block", "src": "8425:63:64", "statements": [ { "expression": { "arguments": [ { "id": 25068, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25059, "src": "8444:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "expression": { "expression": { "id": 25069, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25059, "src": "8449:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 25070, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "8449:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 25071, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "8449:14:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "arguments": [ { "id": 25074, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25061, "src": "8473:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } ], "id": 25073, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8465:7:64", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": { "id": 25072, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "8465:7:64", "typeDescriptions": {} } }, "id": 25075, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8465:13:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "hexValue": "3230", "id": 25076, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8480:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" } ], "id": 25067, "name": "write", "nodeType": "Identifier", "overloadedDeclarations": [ 24870, 25030 ], "referencedDeclaration": 25030, "src": "8438:5:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$_t_bytes32_$_t_uint256_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256,bytes32,uint256) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 25077, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8438:45:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 25066, "id": 25078, "nodeType": "Return", "src": "8431:52:64" } ] }, "documentation": { "id": 25056, "nodeType": "StructuredDocumentation", "src": "8046:244:64", "text": " @dev Appends a bytes20 to the buffer. Resizes if doing so would exceed\n the capacity of the buffer.\n @param buf The buffer to append to.\n @param data The data to append.\n @return The original buffer, for chhaining." }, "id": 25080, "implemented": true, "kind": "function", "modifiers": [], "name": "appendBytes20", "nameLocation": "8302:13:64", "nodeType": "FunctionDefinition", "parameters": { "id": 25062, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25059, "mutability": "mutable", "name": "buf", "nameLocation": "8335:3:64", "nodeType": "VariableDeclaration", "scope": 25080, "src": "8321:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25058, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25057, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "8321:6:64" }, "referencedDeclaration": 24660, "src": "8321:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 25061, "mutability": "mutable", "name": "data", "nameLocation": "8352:4:64", "nodeType": "VariableDeclaration", "scope": 25080, "src": "8344:12:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" }, "typeName": { "id": 25060, "name": "bytes20", "nodeType": "ElementaryTypeName", "src": "8344:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } }, "visibility": "internal" } ], "src": "8315:45:64" }, "returnParameters": { "id": 25066, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25065, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 25080, "src": "8403:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25064, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25063, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "8403:6:64" }, "referencedDeclaration": 24660, "src": "8403:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "8395:27:64" }, "scope": 25174, "src": "8293:195:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 25101, "nodeType": "Block", "src": "8870:54:64", "statements": [ { "expression": { "arguments": [ { "id": 25093, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25084, "src": "8889:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "expression": { "expression": { "id": 25094, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25084, "src": "8894:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 25095, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "8894:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 25096, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "8894:14:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 25097, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25086, "src": "8910:4:64", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "hexValue": "3332", "id": 25098, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8916:2:64", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" } ], "id": 25092, "name": "write", "nodeType": "Identifier", "overloadedDeclarations": [ 24870, 25030 ], "referencedDeclaration": 25030, "src": "8883:5:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$_t_bytes32_$_t_uint256_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256,bytes32,uint256) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 25099, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8883:36:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 25091, "id": 25100, "nodeType": "Return", "src": "8876:43:64" } ] }, "documentation": { "id": 25081, "nodeType": "StructuredDocumentation", "src": "8492:243:64", "text": " @dev Appends a bytes32 to the buffer. Resizes if doing so would exceed\n the capacity of the buffer.\n @param buf The buffer to append to.\n @param data The data to append.\n @return The original buffer, for chaining." }, "id": 25102, "implemented": true, "kind": "function", "modifiers": [], "name": "appendBytes32", "nameLocation": "8747:13:64", "nodeType": "FunctionDefinition", "parameters": { "id": 25087, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25084, "mutability": "mutable", "name": "buf", "nameLocation": "8780:3:64", "nodeType": "VariableDeclaration", "scope": 25102, "src": "8766:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25083, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25082, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "8766:6:64" }, "referencedDeclaration": 24660, "src": "8766:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 25086, "mutability": "mutable", "name": "data", "nameLocation": "8797:4:64", "nodeType": "VariableDeclaration", "scope": 25102, "src": "8789:12:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 25085, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "8789:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" } ], "src": "8760:45:64" }, "returnParameters": { "id": 25091, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25090, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 25102, "src": "8848:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25089, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25088, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "8848:6:64" }, "referencedDeclaration": 24660, "src": "8848:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "8840:27:64" }, "scope": 25174, "src": "8738:186:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" }, { "body": { "id": 25148, "nodeType": "Block", "src": "9424:540:64", "statements": [ { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25123, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25120, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 25118, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25112, "src": "9434:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 25119, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25108, "src": "9440:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9434:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "expression": { "id": 25121, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25106, "src": "9446:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 25122, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "capacity", "nodeType": "MemberAccess", "referencedDeclaration": 24659, "src": "9446:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9434:24:64", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 25135, "nodeType": "IfStatement", "src": "9430:73:64", "trueBody": { "id": 25134, "nodeType": "Block", "src": "9460:43:64", "statements": [ { "expression": { "arguments": [ { "id": 25125, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25106, "src": "9475:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25131, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25128, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 25126, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25112, "src": "9481:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 25127, "name": "off", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25108, "src": "9487:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9481:9:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 25129, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "9480:11:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "hexValue": "32", "id": 25130, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9494:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "9480:15:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 25124, "name": "resize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24751, "src": "9468:6:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$returns$__$", "typeString": "function (struct BufferChainlink.buffer memory,uint256) pure" } }, "id": 25132, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9468:28:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 25133, "nodeType": "ExpressionStatement", "src": "9468:28:64" } ] } }, { "assignments": [ 25137 ], "declarations": [ { "constant": false, "id": 25137, "mutability": "mutable", "name": "mask", "nameLocation": "9514:4:64", "nodeType": "VariableDeclaration", "scope": 25148, "src": "9509:9:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25136, "name": "uint", "nodeType": "ElementaryTypeName", "src": "9509:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 25144, "initialValue": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25143, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "components": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 25140, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "hexValue": "323536", "id": 25138, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9522:3:64", "typeDescriptions": { "typeIdentifier": "t_rational_256_by_1", "typeString": "int_const 256" }, "value": "256" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "id": 25139, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25112, "src": "9529:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9522:10:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 25141, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "9521:12:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "hexValue": "31", "id": 25142, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9536:1:64", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "9521:16:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "9509:28:64" }, { "AST": { "nodeType": "YulBlock", "src": "9552:392:64", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "9603:24:64", "value": { "arguments": [ { "name": "buf", "nodeType": "YulIdentifier", "src": "9623:3:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "9617:5:64" }, "nodeType": "YulFunctionCall", "src": "9617:10:64" }, "variables": [ { "name": "bufptr", "nodeType": "YulTypedName", "src": "9607:6:64", "type": "" } ] }, { "nodeType": "YulVariableDeclaration", "src": "9704:38:64", "value": { "arguments": [ { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "9724:6:64" }, { "name": "off", "nodeType": "YulIdentifier", "src": "9732:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "9720:3:64" }, "nodeType": "YulFunctionCall", "src": "9720:16:64" }, { "name": "len", "nodeType": "YulIdentifier", "src": "9738:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "9716:3:64" }, "nodeType": "YulFunctionCall", "src": "9716:26:64" }, "variables": [ { "name": "dest", "nodeType": "YulTypedName", "src": "9708:4:64", "type": "" } ] }, { "expression": { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "9756:4:64" }, { "arguments": [ { "arguments": [ { "arguments": [ { "name": "dest", "nodeType": "YulIdentifier", "src": "9775:4:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "9769:5:64" }, "nodeType": "YulFunctionCall", "src": "9769:11:64" }, { "arguments": [ { "name": "mask", "nodeType": "YulIdentifier", "src": "9786:4:64" } ], "functionName": { "name": "not", "nodeType": "YulIdentifier", "src": "9782:3:64" }, "nodeType": "YulFunctionCall", "src": "9782:9:64" } ], "functionName": { "name": "and", "nodeType": "YulIdentifier", "src": "9765:3:64" }, "nodeType": "YulFunctionCall", "src": "9765:27:64" }, { "name": "data", "nodeType": "YulIdentifier", "src": "9794:4:64" } ], "functionName": { "name": "or", "nodeType": "YulIdentifier", "src": "9762:2:64" }, "nodeType": "YulFunctionCall", "src": "9762:37:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "9749:6:64" }, "nodeType": "YulFunctionCall", "src": "9749:51:64" }, "nodeType": "YulExpressionStatement", "src": "9749:51:64" }, { "body": { "nodeType": "YulBlock", "src": "9891:47:64", "statements": [ { "expression": { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "9908:6:64" }, { "arguments": [ { "name": "off", "nodeType": "YulIdentifier", "src": "9920:3:64" }, { "name": "len", "nodeType": "YulIdentifier", "src": "9925:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "9916:3:64" }, "nodeType": "YulFunctionCall", "src": "9916:13:64" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "9901:6:64" }, "nodeType": "YulFunctionCall", "src": "9901:29:64" }, "nodeType": "YulExpressionStatement", "src": "9901:29:64" } ] }, "condition": { "arguments": [ { "arguments": [ { "name": "off", "nodeType": "YulIdentifier", "src": "9865:3:64" }, { "name": "len", "nodeType": "YulIdentifier", "src": "9870:3:64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "9861:3:64" }, "nodeType": "YulFunctionCall", "src": "9861:13:64" }, { "arguments": [ { "name": "bufptr", "nodeType": "YulIdentifier", "src": "9882:6:64" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "9876:5:64" }, "nodeType": "YulFunctionCall", "src": "9876:13:64" } ], "functionName": { "name": "gt", "nodeType": "YulIdentifier", "src": "9858:2:64" }, "nodeType": "YulFunctionCall", "src": "9858:32:64" }, "nodeType": "YulIf", "src": "9855:2:64" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 25106, "isOffset": false, "isSlot": false, "src": "9623:3:64", "valueSize": 1 }, { "declaration": 25110, "isOffset": false, "isSlot": false, "src": "9794:4:64", "valueSize": 1 }, { "declaration": 25112, "isOffset": false, "isSlot": false, "src": "9738:3:64", "valueSize": 1 }, { "declaration": 25112, "isOffset": false, "isSlot": false, "src": "9870:3:64", "valueSize": 1 }, { "declaration": 25112, "isOffset": false, "isSlot": false, "src": "9925:3:64", "valueSize": 1 }, { "declaration": 25137, "isOffset": false, "isSlot": false, "src": "9786:4:64", "valueSize": 1 }, { "declaration": 25108, "isOffset": false, "isSlot": false, "src": "9732:3:64", "valueSize": 1 }, { "declaration": 25108, "isOffset": false, "isSlot": false, "src": "9865:3:64", "valueSize": 1 }, { "declaration": 25108, "isOffset": false, "isSlot": false, "src": "9920:3:64", "valueSize": 1 } ], "id": 25145, "nodeType": "InlineAssembly", "src": "9543:401:64" }, { "expression": { "id": 25146, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25106, "src": "9956:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 25117, "id": 25147, "nodeType": "Return", "src": "9949:10:64" } ] }, "documentation": { "id": 25103, "nodeType": "StructuredDocumentation", "src": "8928:343:64", "text": " @dev Writes an integer to the buffer. Resizes if doing so would exceed\n the capacity of the buffer.\n @param buf The buffer to append to.\n @param off The offset to write at.\n @param data The data to append.\n @param len The number of bytes to write (right-aligned).\n @return The original buffer, for chaining." }, "id": 25149, "implemented": true, "kind": "function", "modifiers": [], "name": "writeInt", "nameLocation": "9283:8:64", "nodeType": "FunctionDefinition", "parameters": { "id": 25113, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25106, "mutability": "mutable", "name": "buf", "nameLocation": "9311:3:64", "nodeType": "VariableDeclaration", "scope": 25149, "src": "9297:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25105, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25104, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "9297:6:64" }, "referencedDeclaration": 24660, "src": "9297:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 25108, "mutability": "mutable", "name": "off", "nameLocation": "9325:3:64", "nodeType": "VariableDeclaration", "scope": 25149, "src": "9320:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25107, "name": "uint", "nodeType": "ElementaryTypeName", "src": "9320:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 25110, "mutability": "mutable", "name": "data", "nameLocation": "9339:4:64", "nodeType": "VariableDeclaration", "scope": 25149, "src": "9334:9:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25109, "name": "uint", "nodeType": "ElementaryTypeName", "src": "9334:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 25112, "mutability": "mutable", "name": "len", "nameLocation": "9354:3:64", "nodeType": "VariableDeclaration", "scope": 25149, "src": "9349:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25111, "name": "uint", "nodeType": "ElementaryTypeName", "src": "9349:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "9291:70:64" }, "returnParameters": { "id": 25117, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25116, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 25149, "src": "9402:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25115, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25114, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "9402:6:64" }, "referencedDeclaration": 24660, "src": "9402:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "9394:27:64" }, "scope": 25174, "src": "9274:690:64", "stateMutability": "pure", "virtual": false, "visibility": "private" }, { "body": { "id": 25172, "nodeType": "Block", "src": "10353:58:64", "statements": [ { "expression": { "arguments": [ { "id": 25164, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25153, "src": "10375:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, { "expression": { "expression": { "id": 25165, "name": "buf", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25153, "src": "10380:3:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "id": 25166, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buf", "nodeType": "MemberAccess", "referencedDeclaration": 24657, "src": "10380:7:64", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 25167, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "10380:14:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 25168, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25155, "src": "10396:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 25169, "name": "len", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25157, "src": "10402:3:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 25163, "name": "writeInt", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25149, "src": "10366:8:64", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_buffer_$24660_memory_ptr_$_t_uint256_$_t_uint256_$_t_uint256_$returns$_t_struct$_buffer_$24660_memory_ptr_$", "typeString": "function (struct BufferChainlink.buffer memory,uint256,uint256,uint256) pure returns (struct BufferChainlink.buffer memory)" } }, "id": 25170, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10366:40:64", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer memory" } }, "functionReturnParameters": 25162, "id": 25171, "nodeType": "Return", "src": "10359:47:64" } ] }, "documentation": { "id": 25150, "nodeType": "StructuredDocumentation", "src": "9968:244:64", "text": " @dev Appends a byte to the end of the buffer. Resizes if doing so would\n exceed the capacity of the buffer.\n @param buf The buffer to append to.\n @param data The data to append.\n @return The original buffer." }, "id": 25173, "implemented": true, "kind": "function", "modifiers": [], "name": "appendInt", "nameLocation": "10224:9:64", "nodeType": "FunctionDefinition", "parameters": { "id": 25158, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25153, "mutability": "mutable", "name": "buf", "nameLocation": "10253:3:64", "nodeType": "VariableDeclaration", "scope": 25173, "src": "10239:17:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25152, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25151, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "10239:6:64" }, "referencedDeclaration": 24660, "src": "10239:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" }, { "constant": false, "id": 25155, "mutability": "mutable", "name": "data", "nameLocation": "10267:4:64", "nodeType": "VariableDeclaration", "scope": 25173, "src": "10262:9:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25154, "name": "uint", "nodeType": "ElementaryTypeName", "src": "10262:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 25157, "mutability": "mutable", "name": "len", "nameLocation": "10282:3:64", "nodeType": "VariableDeclaration", "scope": 25173, "src": "10277:8:64", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 25156, "name": "uint", "nodeType": "ElementaryTypeName", "src": "10277:4:64", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "10233:56:64" }, "returnParameters": { "id": 25162, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 25161, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 25173, "src": "10331:13:64", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_memory_ptr", "typeString": "struct BufferChainlink.buffer" }, "typeName": { "id": 25160, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 25159, "name": "buffer", "nodeType": "IdentifierPath", "referencedDeclaration": 24660, "src": "10331:6:64" }, "referencedDeclaration": 24660, "src": "10331:6:64", "typeDescriptions": { "typeIdentifier": "t_struct$_buffer_$24660_storage_ptr", "typeString": "struct BufferChainlink.buffer" } }, "visibility": "internal" } ], "src": "10323:27:64" }, "scope": 25174, "src": "10215:196:64", "stateMutability": "pure", "virtual": false, "visibility": "internal" } ], "scope": 25175, "src": "434:9979:64", "usedErrors": [] } ], "src": "32:10382:64" }, "bytecode": "60566037600b82828239805160001a607314602a57634e487b7160e01b600052600060045260246000fd5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220445a230a3fdc877c31c77955f055290404f4c1cea74e24d92bfcfd6a7433325564736f6c63430008060033", "bytecodeSha1": "1ce946f6a4eaa185320328620ccf999b9e86db7c", "compiler": { "evm_version": "istanbul", "optimizer": { "enabled": true, "runs": 200 }, "version": "0.8.6+commit.11564f7e" }, "contractName": "BufferChainlink", "coverageMap": { "branches": { "64": {} }, "statements": { "64": {} } }, "dependencies": [], "deployedBytecode": "73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220445a230a3fdc877c31c77955f055290404f4c1cea74e24d92bfcfd6a7433325564736f6c63430008060033", "deployedSourceMap": "434:9979:64:-:0;;;;;;;;", "language": "Solidity", "natspec": { "details": "A library for working with mutable byte buffers in Solidity. Byte buffers are mutable and expandable, and provide a variety of primitives for writing to them. At any time you can fetch a bytes object containing the current contents of the buffer. The bytes object should not be stored between operations, as it may change due to resizing of the buffer.", "kind": "dev", "methods": {}, "version": 1 }, "offset": [ 434, 10413 ], "opcodes": "PUSH20 0x0 ADDRESS EQ PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 REVERT INVALID LOG2 PUSH5 0x6970667358 0x22 SLT KECCAK256 DIFFICULTY GAS 0x23 EXP EXTCODEHASH 0xDC DUP8 PUSH29 0x31C77955F055290404F4C1CEA74E24D92BFCFD6A7433325564736F6C63 NUMBER STOP ADDMOD MOD STOP CALLER ", "pcMap": { "0": { "offset": [ 434, 10413 ], "op": "PUSH20", "path": "64", "value": "0x0" }, "21": { "fn": null, "offset": [ 434, 10413 ], "op": "ADDRESS", "path": "64" }, "22": { "fn": null, "offset": [ 434, 10413 ], "op": "EQ", "path": "64" }, "23": { "fn": null, "offset": [ 434, 10413 ], "op": "PUSH1", "path": "64", "value": "0x80" }, "25": { "fn": null, "offset": [ 434, 10413 ], "op": "PUSH1", "path": "64", "value": "0x40" }, "27": { "fn": null, "offset": [ 434, 10413 ], "op": "MSTORE", "path": "64" }, "28": { "fn": null, "offset": [ 434, 10413 ], "op": "PUSH1", "path": "64", "value": "0x0" }, "30": { "fn": null, "offset": [ 434, 10413 ], "op": "DUP1", "path": "64" }, "31": { "fn": null, "offset": [ 434, 10413 ], "op": "REVERT", "path": "64" } }, "sha1": "90ef3d8e91e39b1e2f4d35383c292cf08ba8c242", "source": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\n/**\n* @dev A library for working with mutable byte buffers in Solidity.\n*\n* Byte buffers are mutable and expandable, and provide a variety of primitives\n* for writing to them. At any time you can fetch a bytes object containing the\n* current contents of the buffer. The bytes object should not be stored between\n* operations, as it may change due to resizing of the buffer.\n*/\nlibrary BufferChainlink {\n /**\n * @dev Represents a mutable buffer. Buffers have a current value (buf) and\n * a capacity. The capacity may be longer than the current value, in\n * which case it can be extended without the need to allocate more memory.\n */\n struct buffer {\n bytes buf;\n uint capacity;\n }\n\n /**\n * @dev Initializes a buffer with an initial capacity.\n * @param buf The buffer to initialize.\n * @param capacity The number of bytes of space to allocate the buffer.\n * @return The buffer, for chaining.\n */\n function init(\n buffer memory buf,\n uint capacity\n )\n internal\n pure\n returns(\n buffer memory\n )\n {\n if (capacity % 32 != 0) {\n capacity += 32 - (capacity % 32);\n }\n // Allocate space for the buffer data\n buf.capacity = capacity;\n assembly {\n let ptr := mload(0x40)\n mstore(buf, ptr)\n mstore(ptr, 0)\n mstore(0x40, add(32, add(ptr, capacity)))\n }\n return buf;\n }\n\n /**\n * @dev Initializes a new buffer from an existing bytes object.\n * Changes to the buffer may mutate the original value.\n * @param b The bytes object to initialize the buffer with.\n * @return A new buffer.\n */\n function fromBytes(\n bytes memory b\n )\n internal\n pure\n returns(\n buffer memory\n )\n {\n buffer memory buf;\n buf.buf = b;\n buf.capacity = b.length;\n return buf;\n }\n\n function resize(\n buffer memory buf,\n uint capacity\n )\n private\n pure\n {\n bytes memory oldbuf = buf.buf;\n init(buf, capacity);\n append(buf, oldbuf);\n }\n\n function max(\n uint a,\n uint b\n )\n private\n pure\n returns(\n uint\n )\n {\n if (a > b) {\n return a;\n }\n return b;\n }\n\n /**\n * @dev Sets buffer length to 0.\n * @param buf The buffer to truncate.\n * @return The original buffer, for chaining..\n */\n function truncate(\n buffer memory buf\n )\n internal\n pure\n returns (\n buffer memory\n )\n {\n assembly {\n let bufptr := mload(buf)\n mstore(bufptr, 0)\n }\n return buf;\n }\n\n /**\n * @dev Writes a byte string to a buffer. Resizes if doing so would exceed\n * the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param off The start offset to write to.\n * @param data The data to append.\n * @param len The number of bytes to copy.\n * @return The original buffer, for chaining.\n */\n function write(\n buffer memory buf,\n uint off,\n bytes memory data,\n uint len\n )\n internal\n pure\n returns(\n buffer memory\n )\n {\n require(len <= data.length);\n\n if (off + len > buf.capacity) {\n resize(buf, max(buf.capacity, len + off) * 2);\n }\n\n uint dest;\n uint src;\n assembly {\n // Memory address of the buffer data\n let bufptr := mload(buf)\n // Length of existing buffer data\n let buflen := mload(bufptr)\n // Start address = buffer address + offset + sizeof(buffer length)\n dest := add(add(bufptr, 32), off)\n // Update buffer length if we're extending it\n if gt(add(len, off), buflen) {\n mstore(bufptr, add(len, off))\n }\n src := add(data, 32)\n }\n\n // Copy word-length chunks while possible\n for (; len >= 32; len -= 32) {\n assembly {\n mstore(dest, mload(src))\n }\n dest += 32;\n src += 32;\n }\n\n // Copy remaining bytes\n unchecked {\n uint mask = (256 ** (32 - len)) - 1;\n assembly {\n let srcpart := and(mload(src), not(mask))\n let destpart := and(mload(dest), mask)\n mstore(dest, or(destpart, srcpart))\n }\n }\n\n return buf;\n }\n\n /**\n * @dev Appends a byte string to a buffer. Resizes if doing so would exceed\n * the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param data The data to append.\n * @param len The number of bytes to copy.\n * @return The original buffer, for chaining.\n */\n function append(\n buffer memory buf,\n bytes memory data,\n uint len\n )\n internal\n pure\n returns (\n buffer memory\n )\n {\n return write(buf, buf.buf.length, data, len);\n }\n\n /**\n * @dev Appends a byte string to a buffer. Resizes if doing so would exceed\n * the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param data The data to append.\n * @return The original buffer, for chaining.\n */\n function append(\n buffer memory buf,\n bytes memory data\n )\n internal\n pure\n returns (\n buffer memory\n )\n {\n return write(buf, buf.buf.length, data, data.length);\n }\n\n /**\n * @dev Writes a byte to the buffer. Resizes if doing so would exceed the\n * capacity of the buffer.\n * @param buf The buffer to append to.\n * @param off The offset to write the byte at.\n * @param data The data to append.\n * @return The original buffer, for chaining.\n */\n function writeUint8(\n buffer memory buf,\n uint off,\n uint8 data\n )\n internal\n pure\n returns(\n buffer memory\n )\n {\n if (off >= buf.capacity) {\n resize(buf, buf.capacity * 2);\n }\n\n assembly {\n // Memory address of the buffer data\n let bufptr := mload(buf)\n // Length of existing buffer data\n let buflen := mload(bufptr)\n // Address = buffer address + sizeof(buffer length) + off\n let dest := add(add(bufptr, off), 32)\n mstore8(dest, data)\n // Update buffer length if we extended it\n if eq(off, buflen) {\n mstore(bufptr, add(buflen, 1))\n }\n }\n return buf;\n }\n\n /**\n * @dev Appends a byte to the buffer. Resizes if doing so would exceed the\n * capacity of the buffer.\n * @param buf The buffer to append to.\n * @param data The data to append.\n * @return The original buffer, for chaining.\n */\n function appendUint8(\n buffer memory buf,\n uint8 data\n )\n internal\n pure\n returns(\n buffer memory\n )\n {\n return writeUint8(buf, buf.buf.length, data);\n }\n\n /**\n * @dev Writes up to 32 bytes to the buffer. Resizes if doing so would\n * exceed the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param off The offset to write at.\n * @param data The data to append.\n * @param len The number of bytes to write (left-aligned).\n * @return The original buffer, for chaining.\n */\n function write(\n buffer memory buf,\n uint off,\n bytes32 data,\n uint len\n )\n private\n pure\n returns(\n buffer memory\n )\n {\n if (len + off > buf.capacity) {\n resize(buf, (len + off) * 2);\n }\n\n unchecked {\n uint mask = (256 ** len) - 1;\n // Right-align data\n data = data >> (8 * (32 - len));\n assembly {\n // Memory address of the buffer data\n let bufptr := mload(buf)\n // Address = buffer address + sizeof(buffer length) + off + len\n let dest := add(add(bufptr, off), len)\n mstore(dest, or(and(mload(dest), not(mask)), data))\n // Update buffer length if we extended it\n if gt(add(off, len), mload(bufptr)) {\n mstore(bufptr, add(off, len))\n }\n }\n }\n return buf;\n }\n\n /**\n * @dev Writes a bytes20 to the buffer. Resizes if doing so would exceed the\n * capacity of the buffer.\n * @param buf The buffer to append to.\n * @param off The offset to write at.\n * @param data The data to append.\n * @return The original buffer, for chaining.\n */\n function writeBytes20(\n buffer memory buf,\n uint off,\n bytes20 data\n )\n internal\n pure\n returns (\n buffer memory\n )\n {\n return write(buf, off, bytes32(data), 20);\n }\n\n /**\n * @dev Appends a bytes20 to the buffer. Resizes if doing so would exceed\n * the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param data The data to append.\n * @return The original buffer, for chhaining.\n */\n function appendBytes20(\n buffer memory buf,\n bytes20 data\n )\n internal\n pure\n returns (\n buffer memory\n )\n {\n return write(buf, buf.buf.length, bytes32(data), 20);\n }\n\n /**\n * @dev Appends a bytes32 to the buffer. Resizes if doing so would exceed\n * the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param data The data to append.\n * @return The original buffer, for chaining.\n */\n function appendBytes32(\n buffer memory buf,\n bytes32 data\n )\n internal\n pure\n returns (\n buffer memory\n )\n {\n return write(buf, buf.buf.length, data, 32);\n }\n\n /**\n * @dev Writes an integer to the buffer. Resizes if doing so would exceed\n * the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param off The offset to write at.\n * @param data The data to append.\n * @param len The number of bytes to write (right-aligned).\n * @return The original buffer, for chaining.\n */\n function writeInt(\n buffer memory buf,\n uint off,\n uint data,\n uint len\n )\n private\n pure\n returns(\n buffer memory\n )\n {\n if (len + off > buf.capacity) {\n resize(buf, (len + off) * 2);\n }\n\n uint mask = (256 ** len) - 1;\n assembly {\n // Memory address of the buffer data\n let bufptr := mload(buf)\n // Address = buffer address + off + sizeof(buffer length) + len\n let dest := add(add(bufptr, off), len)\n mstore(dest, or(and(mload(dest), not(mask)), data))\n // Update buffer length if we extended it\n if gt(add(off, len), mload(bufptr)) {\n mstore(bufptr, add(off, len))\n }\n }\n return buf;\n }\n\n /**\n * @dev Appends a byte to the end of the buffer. Resizes if doing so would\n * exceed the capacity of the buffer.\n * @param buf The buffer to append to.\n * @param data The data to append.\n * @return The original buffer.\n */\n function appendInt(\n buffer memory buf,\n uint data,\n uint len\n )\n internal\n pure\n returns(\n buffer memory\n )\n {\n return writeInt(buf, buf.buf.length, data, len);\n }\n}\n", "sourceMap": "434:9979:64:-:0;;;;;;;;;;;;;;;-1:-1:-1;;;434:9979:64;;;;;;;;;;;;;;;;;", "sourcePath": "node_modules/@chainlink/contracts/src/v0.8/vendor/BufferChainlink.sol", "type": "library" }