{ "contractName": "TokenRegistry", "abi": [ { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" } ], "name": "OwnershipRenounced", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": false, "inputs": [ { "name": "_symbol", "type": "string" }, { "name": "_tokenAddress", "type": "address" }, { "name": "_tokenName", "type": "string" }, { "name": "_numDecimals", "type": "uint8" } ], "name": "setTokenAttributes", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "_symbol", "type": "string" } ], "name": "getTokenAddressBySymbol", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_index", "type": "uint256" } ], "name": "getTokenAddressByIndex", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_symbol", "type": "string" } ], "name": "getTokenIndexBySymbol", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_index", "type": "uint256" } ], "name": "getTokenSymbolByIndex", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_symbol", "type": "string" } ], "name": "getTokenNameBySymbol", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_symbol", "type": "string" } ], "name": "getNumDecimalsFromSymbol", "outputs": [ { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_index", "type": "uint256" } ], "name": "getNumDecimalsByIndex", "outputs": [ { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_index", "type": "uint256" } ], "name": "getTokenNameByIndex", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_symbol", "type": "string" } ], "name": "getTokenAttributesBySymbol", "outputs": [ { "name": "", "type": "address" }, { "name": "", "type": "uint256" }, { "name": "", "type": "string" }, { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_index", "type": "uint256" } ], "name": "getTokenAttributesByIndex", "outputs": [ { "name": "", "type": "address" }, { "name": "", "type": "string" }, { "name": "", "type": "string" }, { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity 0.4.24;\npragma experimental ABIEncoderV2;\n\nimport \"zeppelin-solidity/contracts/ownership/Ownable.sol\";\n\n\ncontract TokenRegistry is Ownable {\n\tstruct TokenAttributes {\n\t\t// The ERC20 contract address.\n\t\taddress tokenAddress;\n\t\t// The index in `tokenSymbolList` where the token's symbol can be found.\n\t\tuint tokenIndex;\n\t\t// The name of the given token, e.g. \"Canonical Wrapped Ether\"\n\t\tstring name;\n\t\t// The number of digits that come after the decimal place when displaying token value.\n\t\tuint8 numDecimals;\n\t}\n\n\t/**\n\t * Maps the given symbol to the given token attributes.\n\t */\n\tfunction setTokenAttributes(\n\t\tstring _symbol,\n\t\taddress _tokenAddress,\n\t\tstring _tokenName,\n\t\tuint8 _numDecimals\n\t) public;\n\n\t/**\n\t * Given a symbol, resolves the current address of the token the symbol is mapped to.\n\t */\n\tfunction getTokenAddressBySymbol(string _symbol) public view returns (address);\n\n\t/**\n\t * Given the known index of a token within the registry's symbol list,\n\t * returns the address of the token mapped to the symbol at that index.\n\t *\n\t * This is a useful utility for compactly encoding the address of a token into a\n\t * TermsContractParameters string -- by encoding a token by its index in a\n\t * a 256 slot array, we can represent a token by a 1 byte uint instead of a 20 byte address.\n\t */\n\tfunction getTokenAddressByIndex(uint _index) public view returns (address);\n\n\t/**\n\t * Given a symbol, resolves the index of the token the symbol is mapped to within the registry's\n\t * symbol list.\n\t */\n\tfunction getTokenIndexBySymbol(string _symbol) public view returns (uint);\n\n\t/**\n\t * Given an index, resolves the symbol of the token at that index in the registry's\n\t * token symbol list.\n\t */\n\tfunction getTokenSymbolByIndex(uint _index) public view returns (string);\n\n\t/**\n\t * Given a symbol, returns the name of the token the symbol is mapped to within the registry's\n\t * symbol list.\n\t */\n\tfunction getTokenNameBySymbol(string _symbol) public view returns (string);\n\n\t/**\n\t * Given the symbol for a token, returns the number of decimals as provided in\n\t * the associated TokensAttribute struct.\n\t *\n\t * Example:\n\t * getNumDecimalsFromSymbol(\"REP\");\n\t * => 18\n\t */\n\tfunction getNumDecimalsFromSymbol(string _symbol) public view returns (uint8);\n\n\t/**\n\t * Given the index for a token in the registry, returns the number of decimals as provided in\n\t * the associated TokensAttribute struct.\n\t *\n\t * Example:\n\t * getNumDecimalsByIndex(1);\n\t * => 18\n\t */\n\tfunction getNumDecimalsByIndex(uint _index) public view returns (uint8);\n\n\t/**\n\t * Given the index for a token in the registry, returns the name of the token as provided in\n\t * the associated TokensAttribute struct.\n\t *\n\t * Example:\n\t * getTokenNameByIndex(1);\n\t * => \"Canonical Wrapped Ether\"\n\t */\n\tfunction getTokenNameByIndex(uint _index) public view returns (string);\n\n\t/**\n\t * Given the symbol for a token in the registry, returns a tuple containing the token's address,\n\t * the token's index in the registry, the token's name, and the number of decimals.\n\t *\n\t * Example:\n\t * getTokenAttributesBySymbol(\"WETH\");\n\t * => [\"0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\", 1, \"Canonical Wrapped Ether\", 18]\n\t */\n\tfunction getTokenAttributesBySymbol(string _symbol)\n\tpublic\n\tview\n\treturns (\n\t\taddress,\n\t\tuint,\n\t\tstring,\n\t\tuint\n\t);\n\n\t/**\n\t * Given the index for a token in the registry, returns a tuple containing the token's address,\n\t * the token's symbol, the token's name, and the number of decimals.\n\t *\n\t * Example:\n\t * getTokenAttributesByIndex(1);\n\t * => [\"0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\", \"WETH\", \"Canonical Wrapped Ether\", 18]\n\t */\n\tfunction getTokenAttributesByIndex(uint _index)\n\tpublic\n\tview\n\treturns (\n\t\taddress,\n\t\tstring,\n\t\tstring,\n\t\tuint8\n\t);\n}\n", "sourcePath": "/Users/graemeboy/Dharma/experimental/contracts/src/shared/interfaces/TokenRegistryInterface.sol", "ast": { "absolutePath": "/Users/graemeboy/Dharma/experimental/contracts/src/shared/interfaces/TokenRegistryInterface.sol", "exportedSymbols": { "TokenRegistry": [ 123 ] }, "id": 124, "nodeType": "SourceUnit", "nodes": [ { "id": 16, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:1" }, { "id": 17, "literals": [ "experimental", "ABIEncoderV2" ], "nodeType": "PragmaDirective", "src": "24:33:1" }, { "absolutePath": "zeppelin-solidity/contracts/ownership/Ownable.sol", "file": "zeppelin-solidity/contracts/ownership/Ownable.sol", "id": 18, "nodeType": "ImportDirective", "scope": 124, "sourceUnit": 304, "src": "59:59:1", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 19, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 303, "src": "147:7:1", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$303", "typeString": "contract Ownable" } }, "id": 20, "nodeType": "InheritanceSpecifier", "src": "147:7:1" } ], "contractDependencies": [ 303 ], "contractKind": "contract", "documentation": null, "fullyImplemented": false, "id": 123, "linearizedBaseContracts": [ 123, 303 ], "name": "TokenRegistry", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "TokenRegistry.TokenAttributes", "id": 29, "members": [ { "constant": false, "id": 22, "name": "tokenAddress", "nodeType": "VariableDeclaration", "scope": 29, "src": "218:20:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 21, "name": "address", "nodeType": "ElementaryTypeName", "src": "218:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 24, "name": "tokenIndex", "nodeType": "VariableDeclaration", "scope": 29, "src": "317:15:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 23, "name": "uint", "nodeType": "ElementaryTypeName", "src": "317:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 26, "name": "name", "nodeType": "VariableDeclaration", "scope": 29, "src": "401:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" }, "typeName": { "id": 25, "name": "string", "nodeType": "ElementaryTypeName", "src": "401:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 28, "name": "numDecimals", "nodeType": "VariableDeclaration", "scope": 29, "src": "505:17:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 27, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "505:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "name": "TokenAttributes", "nodeType": "StructDefinition", "scope": 123, "src": "158:368:1", "visibility": "public" }, { "body": null, "documentation": "Maps the given symbol to the given token attributes.", "id": 40, "implemented": false, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "setTokenAttributes", "nodeType": "FunctionDefinition", "parameters": { "id": 38, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 31, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 40, "src": "627:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 30, "name": "string", "nodeType": "ElementaryTypeName", "src": "627:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 33, "name": "_tokenAddress", "nodeType": "VariableDeclaration", "scope": 40, "src": "645:21:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 32, "name": "address", "nodeType": "ElementaryTypeName", "src": "645:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 35, "name": "_tokenName", "nodeType": "VariableDeclaration", "scope": 40, "src": "670:17:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 34, "name": "string", "nodeType": "ElementaryTypeName", "src": "670:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 37, "name": "_numDecimals", "nodeType": "VariableDeclaration", "scope": 40, "src": "691:18:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 36, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "691:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "623:89:1" }, "payable": false, "returnParameters": { "id": 39, "nodeType": "ParameterList", "parameters": [], "src": "719:0:1" }, "scope": 123, "src": "596:124:1", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given a symbol, resolves the current address of the token the symbol is mapped to.", "id": 47, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAddressBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 43, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 42, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 47, "src": "853:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 41, "name": "string", "nodeType": "ElementaryTypeName", "src": "853:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "852:16:1" }, "payable": false, "returnParameters": { "id": 46, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 45, "name": "", "nodeType": "VariableDeclaration", "scope": 47, "src": "890:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 44, "name": "address", "nodeType": "ElementaryTypeName", "src": "890:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "889:9:1" }, "scope": 123, "src": "820:79:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the known index of a token within the registry's symbol list,\nreturns the address of the token mapped to the symbol at that index.\n\t * This is a useful utility for compactly encoding the address of a token into a\nTermsContractParameters string -- by encoding a token by its index in a\na 256 slot array, we can represent a token by a 1 byte uint instead of a 20 byte address.", "id": 54, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAddressByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 50, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 49, "name": "_index", "nodeType": "VariableDeclaration", "scope": 54, "src": "1345:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 48, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1345:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1344:13:1" }, "payable": false, "returnParameters": { "id": 53, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 52, "name": "", "nodeType": "VariableDeclaration", "scope": 54, "src": "1379:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 51, "name": "address", "nodeType": "ElementaryTypeName", "src": "1379:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1378:9:1" }, "scope": 123, "src": "1313:75:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given a symbol, resolves the index of the token the symbol is mapped to within the registry's\nsymbol list.", "id": 61, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenIndexBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 57, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 56, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 61, "src": "1547:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 55, "name": "string", "nodeType": "ElementaryTypeName", "src": "1547:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1546:16:1" }, "payable": false, "returnParameters": { "id": 60, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 59, "name": "", "nodeType": "VariableDeclaration", "scope": 61, "src": "1584:4:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 58, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1584:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1583:6:1" }, "scope": 123, "src": "1516:74:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given an index, resolves the symbol of the token at that index in the registry's\ntoken symbol list.", "id": 68, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenSymbolByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 64, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 63, "name": "_index", "nodeType": "VariableDeclaration", "scope": 68, "src": "1742:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 62, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1742:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1741:13:1" }, "payable": false, "returnParameters": { "id": 67, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 66, "name": "", "nodeType": "VariableDeclaration", "scope": 68, "src": "1776:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 65, "name": "string", "nodeType": "ElementaryTypeName", "src": "1776:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1775:8:1" }, "scope": 123, "src": "1711:73:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given a symbol, returns the name of the token the symbol is mapped to within the registry's\nsymbol list.", "id": 75, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenNameBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 71, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 70, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 75, "src": "1940:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 69, "name": "string", "nodeType": "ElementaryTypeName", "src": "1940:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1939:16:1" }, "payable": false, "returnParameters": { "id": 74, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 73, "name": "", "nodeType": "VariableDeclaration", "scope": 75, "src": "1977:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 72, "name": "string", "nodeType": "ElementaryTypeName", "src": "1977:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1976:8:1" }, "scope": 123, "src": "1910:75:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the symbol for a token, returns the number of decimals as provided in\nthe associated TokensAttribute struct.\n\t * Example:\n getNumDecimalsFromSymbol(\"REP\");\n => 18", "id": 82, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getNumDecimalsFromSymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 78, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 77, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 82, "src": "2223:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 76, "name": "string", "nodeType": "ElementaryTypeName", "src": "2223:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "2222:16:1" }, "payable": false, "returnParameters": { "id": 81, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 80, "name": "", "nodeType": "VariableDeclaration", "scope": 82, "src": "2260:5:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 79, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "2260:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "2259:7:1" }, "scope": 123, "src": "2189:78:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the index for a token in the registry, returns the number of decimals as provided in\nthe associated TokensAttribute struct.\n\t * Example:\n getNumDecimalsByIndex(1);\n => 18", "id": 89, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getNumDecimalsByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 85, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 84, "name": "_index", "nodeType": "VariableDeclaration", "scope": 89, "src": "2510:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 83, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2510:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2509:13:1" }, "payable": false, "returnParameters": { "id": 88, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 87, "name": "", "nodeType": "VariableDeclaration", "scope": 89, "src": "2544:5:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 86, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "2544:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "2543:7:1" }, "scope": 123, "src": "2479:72:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the index for a token in the registry, returns the name of the token as provided in\nthe associated TokensAttribute struct.\n\t * Example:\n getTokenNameByIndex(1);\n => \"Canonical Wrapped Ether\"", "id": 96, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenNameByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 92, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 91, "name": "_index", "nodeType": "VariableDeclaration", "scope": 96, "src": "2812:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 90, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2812:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2811:13:1" }, "payable": false, "returnParameters": { "id": 95, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 94, "name": "", "nodeType": "VariableDeclaration", "scope": 96, "src": "2846:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 93, "name": "string", "nodeType": "ElementaryTypeName", "src": "2846:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "2845:8:1" }, "scope": 123, "src": "2783:71:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the symbol for a token in the registry, returns a tuple containing the token's address,\nthe token's index in the registry, the token's name, and the number of decimals.\n\t * Example:\n getTokenAttributesBySymbol(\"WETH\");\n => [\"0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\", 1, \"Canonical Wrapped Ether\", 18]", "id": 109, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAttributesBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 99, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 98, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 109, "src": "3235:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 97, "name": "string", "nodeType": "ElementaryTypeName", "src": "3235:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "3234:16:1" }, "payable": false, "returnParameters": { "id": 108, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 101, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3278:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 100, "name": "address", "nodeType": "ElementaryTypeName", "src": "3278:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 103, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3289:4:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 102, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3289:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 105, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3297:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 104, "name": "string", "nodeType": "ElementaryTypeName", "src": "3297:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 107, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3307:4:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 106, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3307:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3274:40:1" }, "scope": 123, "src": "3199:116:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the index for a token in the registry, returns a tuple containing the token's address,\nthe token's symbol, the token's name, and the number of decimals.\n\t * Example:\n getTokenAttributesByIndex(1);\n => [\"0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\", \"WETH\", \"Canonical Wrapped Ether\", 18]", "id": 122, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAttributesByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 112, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 111, "name": "_index", "nodeType": "VariableDeclaration", "scope": 122, "src": "3678:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 110, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3678:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3677:13:1" }, "payable": false, "returnParameters": { "id": 121, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 114, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3718:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 113, "name": "address", "nodeType": "ElementaryTypeName", "src": "3718:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 116, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3729:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 115, "name": "string", "nodeType": "ElementaryTypeName", "src": "3729:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 118, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3739:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 117, "name": "string", "nodeType": "ElementaryTypeName", "src": "3739:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 120, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3749:5:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 119, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3749:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "3714:43:1" }, "scope": 123, "src": "3643:115:1", "stateMutability": "view", "superFunction": null, "visibility": "public" } ], "scope": 124, "src": "121:3639:1" } ], "src": "0:3761:1" }, "legacyAST": { "absolutePath": "/Users/graemeboy/Dharma/experimental/contracts/src/shared/interfaces/TokenRegistryInterface.sol", "exportedSymbols": { "TokenRegistry": [ 123 ] }, "id": 124, "nodeType": "SourceUnit", "nodes": [ { "id": 16, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:1" }, { "id": 17, "literals": [ "experimental", "ABIEncoderV2" ], "nodeType": "PragmaDirective", "src": "24:33:1" }, { "absolutePath": "zeppelin-solidity/contracts/ownership/Ownable.sol", "file": "zeppelin-solidity/contracts/ownership/Ownable.sol", "id": 18, "nodeType": "ImportDirective", "scope": 124, "sourceUnit": 304, "src": "59:59:1", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 19, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 303, "src": "147:7:1", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$303", "typeString": "contract Ownable" } }, "id": 20, "nodeType": "InheritanceSpecifier", "src": "147:7:1" } ], "contractDependencies": [ 303 ], "contractKind": "contract", "documentation": null, "fullyImplemented": false, "id": 123, "linearizedBaseContracts": [ 123, 303 ], "name": "TokenRegistry", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "TokenRegistry.TokenAttributes", "id": 29, "members": [ { "constant": false, "id": 22, "name": "tokenAddress", "nodeType": "VariableDeclaration", "scope": 29, "src": "218:20:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 21, "name": "address", "nodeType": "ElementaryTypeName", "src": "218:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 24, "name": "tokenIndex", "nodeType": "VariableDeclaration", "scope": 29, "src": "317:15:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 23, "name": "uint", "nodeType": "ElementaryTypeName", "src": "317:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 26, "name": "name", "nodeType": "VariableDeclaration", "scope": 29, "src": "401:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" }, "typeName": { "id": 25, "name": "string", "nodeType": "ElementaryTypeName", "src": "401:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 28, "name": "numDecimals", "nodeType": "VariableDeclaration", "scope": 29, "src": "505:17:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 27, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "505:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "name": "TokenAttributes", "nodeType": "StructDefinition", "scope": 123, "src": "158:368:1", "visibility": "public" }, { "body": null, "documentation": "Maps the given symbol to the given token attributes.", "id": 40, "implemented": false, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "setTokenAttributes", "nodeType": "FunctionDefinition", "parameters": { "id": 38, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 31, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 40, "src": "627:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 30, "name": "string", "nodeType": "ElementaryTypeName", "src": "627:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 33, "name": "_tokenAddress", "nodeType": "VariableDeclaration", "scope": 40, "src": "645:21:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 32, "name": "address", "nodeType": "ElementaryTypeName", "src": "645:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 35, "name": "_tokenName", "nodeType": "VariableDeclaration", "scope": 40, "src": "670:17:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 34, "name": "string", "nodeType": "ElementaryTypeName", "src": "670:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 37, "name": "_numDecimals", "nodeType": "VariableDeclaration", "scope": 40, "src": "691:18:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 36, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "691:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "623:89:1" }, "payable": false, "returnParameters": { "id": 39, "nodeType": "ParameterList", "parameters": [], "src": "719:0:1" }, "scope": 123, "src": "596:124:1", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given a symbol, resolves the current address of the token the symbol is mapped to.", "id": 47, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAddressBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 43, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 42, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 47, "src": "853:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 41, "name": "string", "nodeType": "ElementaryTypeName", "src": "853:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "852:16:1" }, "payable": false, "returnParameters": { "id": 46, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 45, "name": "", "nodeType": "VariableDeclaration", "scope": 47, "src": "890:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 44, "name": "address", "nodeType": "ElementaryTypeName", "src": "890:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "889:9:1" }, "scope": 123, "src": "820:79:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the known index of a token within the registry's symbol list,\nreturns the address of the token mapped to the symbol at that index.\n\t * This is a useful utility for compactly encoding the address of a token into a\nTermsContractParameters string -- by encoding a token by its index in a\na 256 slot array, we can represent a token by a 1 byte uint instead of a 20 byte address.", "id": 54, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAddressByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 50, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 49, "name": "_index", "nodeType": "VariableDeclaration", "scope": 54, "src": "1345:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 48, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1345:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1344:13:1" }, "payable": false, "returnParameters": { "id": 53, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 52, "name": "", "nodeType": "VariableDeclaration", "scope": 54, "src": "1379:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 51, "name": "address", "nodeType": "ElementaryTypeName", "src": "1379:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1378:9:1" }, "scope": 123, "src": "1313:75:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given a symbol, resolves the index of the token the symbol is mapped to within the registry's\nsymbol list.", "id": 61, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenIndexBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 57, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 56, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 61, "src": "1547:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 55, "name": "string", "nodeType": "ElementaryTypeName", "src": "1547:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1546:16:1" }, "payable": false, "returnParameters": { "id": 60, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 59, "name": "", "nodeType": "VariableDeclaration", "scope": 61, "src": "1584:4:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 58, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1584:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1583:6:1" }, "scope": 123, "src": "1516:74:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given an index, resolves the symbol of the token at that index in the registry's\ntoken symbol list.", "id": 68, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenSymbolByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 64, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 63, "name": "_index", "nodeType": "VariableDeclaration", "scope": 68, "src": "1742:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 62, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1742:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1741:13:1" }, "payable": false, "returnParameters": { "id": 67, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 66, "name": "", "nodeType": "VariableDeclaration", "scope": 68, "src": "1776:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 65, "name": "string", "nodeType": "ElementaryTypeName", "src": "1776:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1775:8:1" }, "scope": 123, "src": "1711:73:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given a symbol, returns the name of the token the symbol is mapped to within the registry's\nsymbol list.", "id": 75, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenNameBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 71, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 70, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 75, "src": "1940:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 69, "name": "string", "nodeType": "ElementaryTypeName", "src": "1940:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1939:16:1" }, "payable": false, "returnParameters": { "id": 74, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 73, "name": "", "nodeType": "VariableDeclaration", "scope": 75, "src": "1977:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 72, "name": "string", "nodeType": "ElementaryTypeName", "src": "1977:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1976:8:1" }, "scope": 123, "src": "1910:75:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the symbol for a token, returns the number of decimals as provided in\nthe associated TokensAttribute struct.\n\t * Example:\n getNumDecimalsFromSymbol(\"REP\");\n => 18", "id": 82, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getNumDecimalsFromSymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 78, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 77, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 82, "src": "2223:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 76, "name": "string", "nodeType": "ElementaryTypeName", "src": "2223:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "2222:16:1" }, "payable": false, "returnParameters": { "id": 81, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 80, "name": "", "nodeType": "VariableDeclaration", "scope": 82, "src": "2260:5:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 79, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "2260:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "2259:7:1" }, "scope": 123, "src": "2189:78:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the index for a token in the registry, returns the number of decimals as provided in\nthe associated TokensAttribute struct.\n\t * Example:\n getNumDecimalsByIndex(1);\n => 18", "id": 89, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getNumDecimalsByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 85, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 84, "name": "_index", "nodeType": "VariableDeclaration", "scope": 89, "src": "2510:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 83, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2510:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2509:13:1" }, "payable": false, "returnParameters": { "id": 88, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 87, "name": "", "nodeType": "VariableDeclaration", "scope": 89, "src": "2544:5:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 86, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "2544:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "2543:7:1" }, "scope": 123, "src": "2479:72:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the index for a token in the registry, returns the name of the token as provided in\nthe associated TokensAttribute struct.\n\t * Example:\n getTokenNameByIndex(1);\n => \"Canonical Wrapped Ether\"", "id": 96, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenNameByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 92, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 91, "name": "_index", "nodeType": "VariableDeclaration", "scope": 96, "src": "2812:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 90, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2812:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2811:13:1" }, "payable": false, "returnParameters": { "id": 95, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 94, "name": "", "nodeType": "VariableDeclaration", "scope": 96, "src": "2846:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 93, "name": "string", "nodeType": "ElementaryTypeName", "src": "2846:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "2845:8:1" }, "scope": 123, "src": "2783:71:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the symbol for a token in the registry, returns a tuple containing the token's address,\nthe token's index in the registry, the token's name, and the number of decimals.\n\t * Example:\n getTokenAttributesBySymbol(\"WETH\");\n => [\"0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\", 1, \"Canonical Wrapped Ether\", 18]", "id": 109, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAttributesBySymbol", "nodeType": "FunctionDefinition", "parameters": { "id": 99, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 98, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 109, "src": "3235:14:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 97, "name": "string", "nodeType": "ElementaryTypeName", "src": "3235:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "3234:16:1" }, "payable": false, "returnParameters": { "id": 108, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 101, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3278:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 100, "name": "address", "nodeType": "ElementaryTypeName", "src": "3278:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 103, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3289:4:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 102, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3289:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 105, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3297:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 104, "name": "string", "nodeType": "ElementaryTypeName", "src": "3297:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 107, "name": "", "nodeType": "VariableDeclaration", "scope": 109, "src": "3307:4:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 106, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3307:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3274:40:1" }, "scope": 123, "src": "3199:116:1", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": "Given the index for a token in the registry, returns a tuple containing the token's address,\nthe token's symbol, the token's name, and the number of decimals.\n\t * Example:\n getTokenAttributesByIndex(1);\n => [\"0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2\", \"WETH\", \"Canonical Wrapped Ether\", 18]", "id": 122, "implemented": false, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "getTokenAttributesByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 112, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 111, "name": "_index", "nodeType": "VariableDeclaration", "scope": 122, "src": "3678:11:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 110, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3678:4:1", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3677:13:1" }, "payable": false, "returnParameters": { "id": 121, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 114, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3718:7:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 113, "name": "address", "nodeType": "ElementaryTypeName", "src": "3718:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 116, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3729:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 115, "name": "string", "nodeType": "ElementaryTypeName", "src": "3729:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 118, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3739:6:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 117, "name": "string", "nodeType": "ElementaryTypeName", "src": "3739:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 120, "name": "", "nodeType": "VariableDeclaration", "scope": 122, "src": "3749:5:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 119, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3749:5:1", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" } ], "src": "3714:43:1" }, "scope": 123, "src": "3643:115:1", "stateMutability": "view", "superFunction": null, "visibility": "public" } ], "scope": 124, "src": "121:3639:1" } ], "src": "0:3761:1" }, "compiler": { "name": "solc", "version": "0.4.24+commit.e67f0147.Emscripten.clang" }, "networks": {}, "schemaVersion": "2.0.1", "updatedAt": "2018-10-15T23:58:33.893Z" }