{ "contractName": "SafeMath", "abi": [], "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a7230582021cba31c2b225fe810747430b1685dedc29987cff52e930119f8760212c1546a0029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a7230582021cba31c2b225fe810747430b1685dedc29987cff52e930119f8760212c1546a0029", "sourceMap": "117:1676:3:-;;132:2:-1;166:7;155:9;146:7;137:37;252:7;246:14;243:1;238:23;232:4;229:33;270:1;265:20;;;;222:63;;265:20;274:9;222:63;;298:9;295:1;288:20;328:4;319:7;311:22;352:7;343;336:24", "deployedSourceMap": "117:1676:3:-;;;;;;;;", "source": "pragma solidity ^0.4.24;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that revert on error\n */\nlibrary SafeMath {\n /**\n * @dev Multiplies two numbers, reverts on overflow.\n */\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n // benefit is lost if 'b' is also tested.\n // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522\n if (a == 0) {\n return 0;\n }\n\n uint256 c = a * b;\n require(c / a == b);\n\n return c;\n }\n\n /**\n * @dev Integer division of two numbers truncating the quotient, reverts on division by zero.\n */\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\n // Solidity only automatically asserts when dividing by 0\n require(b > 0);\n uint256 c = a / b;\n // assert(a == b * c + a % b); // There is no case in which this doesn't hold\n\n return c;\n }\n\n /**\n * @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).\n */\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\n require(b <= a);\n uint256 c = a - b;\n\n return c;\n }\n\n /**\n * @dev Adds two numbers, reverts on overflow.\n */\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\n uint256 c = a + b;\n require(c >= a);\n\n return c;\n }\n\n /**\n * @dev Divides two numbers and returns the remainder (unsigned integer modulo),\n * reverts when dividing by zero.\n */\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\n require(b != 0);\n return a % b;\n }\n}\n\n/**\n * @title ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/20\n */\ninterface IERC20 {\n function totalSupply() external view returns (uint256);\n\n function balanceOf(address who) external view returns (uint256);\n\n function allowance(address owner, address spender) external view returns (uint256);\n\n function transfer(address to, uint256 value) external returns (bool);\n\n function approve(address spender, uint256 value) external returns (bool);\n\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n\n/**\n * @title Standard ERC20 token\n *\n * @dev Implementation of the basic standard token.\n * https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md\n * Originally based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol\n */\ncontract ERC20 is IERC20 {\n using SafeMath for uint256;\n\n mapping (address => uint256) private _balances;\n\n mapping (address => mapping (address => uint256)) private _allowed;\n\n uint256 private _totalSupply;\n\n function mint(address to, uint256 val) \n public {\n _mint(to, val);\n }\n\n /**\n * @dev Total number of tokens in existence\n */\n function totalSupply() public view returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev Gets the balance of the specified address.\n * @param owner The address to query the balance of.\n * @return An uint256 representing the amount owned by the passed address.\n */\n function balanceOf(address owner) public view returns (uint256) {\n return _balances[owner];\n }\n\n /**\n * @dev Function to check the amount of tokens that an owner allowed to a spender.\n * @param owner address The address which owns the funds.\n * @param spender address The address which will spend the funds.\n * @return A uint256 specifying the amount of tokens still available for the spender.\n */\n function allowance(address owner, address spender) public view returns (uint256) {\n return _allowed[owner][spender];\n }\n\n /**\n * @dev Transfer token for a specified address\n * @param to The address to transfer to.\n * @param value The amount to be transferred.\n */\n function transfer(address to, uint256 value) public returns (bool) {\n _transfer(msg.sender, to, value);\n return true;\n }\n\n /**\n * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.\n * Beware that changing an allowance with this method brings the risk that someone may use both the old\n * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this\n * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n * @param spender The address which will spend the funds.\n * @param value The amount of tokens to be spent.\n */\n function approve(address spender, uint256 value) public returns (bool) {\n require(spender != address(0));\n\n _allowed[msg.sender][spender] = value;\n emit Approval(msg.sender, spender, value);\n return true;\n }\n\n /**\n * @dev Transfer tokens from one address to another\n * @param from address The address which you want to send tokens from\n * @param to address The address which you want to transfer to\n * @param value uint256 the amount of tokens to be transferred\n */\n function transferFrom(address from, address to, uint256 value) public returns (bool) {\n _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);\n _transfer(from, to, value);\n return true;\n }\n\n /**\n * @dev Increase the amount of tokens that an owner allowed to a spender.\n * approve should be called when allowed_[_spender] == 0. To increment\n * allowed value is better to use this function to avoid 2 calls (and wait until\n * the first transaction is mined)\n * From MonolithDAO Token.sol\n * @param spender The address which will spend the funds.\n * @param addedValue The amount of tokens to increase the allowance by.\n */\n function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {\n require(spender != address(0));\n\n _allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);\n emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);\n return true;\n }\n\n /**\n * @dev Decrease the amount of tokens that an owner allowed to a spender.\n * approve should be called when allowed_[_spender] == 0. To decrement\n * allowed value is better to use this function to avoid 2 calls (and wait until\n * the first transaction is mined)\n * From MonolithDAO Token.sol\n * @param spender The address which will spend the funds.\n * @param subtractedValue The amount of tokens to decrease the allowance by.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {\n require(spender != address(0));\n\n _allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);\n emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);\n return true;\n }\n\n /**\n * @dev Transfer token for a specified addresses\n * @param from The address to transfer from.\n * @param to The address to transfer to.\n * @param value The amount to be transferred.\n */\n function _transfer(address from, address to, uint256 value) internal {\n require(to != address(0));\n\n _balances[from] = _balances[from].sub(value);\n _balances[to] = _balances[to].add(value);\n emit Transfer(from, to, value);\n }\n\n /**\n * @dev Internal function that mints an amount of the token and assigns it to\n * an account. 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"typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 702, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 699, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "5124:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 700, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5124:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5115:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 703, "indexExpression": { "argumentTypes": null, "id": 701, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 683, "src": "5136:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "5115:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 704, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 685, "src": "5147:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5115:37:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 706, "nodeType": "ExpressionStatement", "src": "5115:37:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ 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One possible solution to mitigate this\nrace condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:\nhttps://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n@param spender The address which will spend the funds.\n@param value The amount of tokens to be spent.", "id": 717, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 686, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 683, "name": "spender", "nodeType": "VariableDeclaration", "scope": 717, "src": "5010:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 682, "name": "address", "nodeType": "ElementaryTypeName", "src": "5010:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": 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"isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "5612:26:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 741, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 723, "src": "5672:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 734, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "5641:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", 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"memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5656:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5641:26:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 740, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "5641:30:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 742, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5641:37:3", "typeDescriptions": { 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"id": 722, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5565:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "5538:41:3" }, "payable": false, "returnParameters": { "id": 727, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 726, "name": "", "nodeType": "VariableDeclaration", "scope": 754, "src": "5596:4:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 725, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5596:4:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "5595:6:3" }, "scope": 1013, "src": "5517:225:3", "stateMutability": "nonpayable", "superFunction": 579, "visibility": "public" }, { "body": { "id": 802, "nodeType": "Block", "src": "6299:231:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 768, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 764, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6317:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 766, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6336:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 765, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6328:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 767, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6328:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "6317:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 763, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "6309:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 769, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6309:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 770, "nodeType": "ExpressionStatement", "src": "6309:30:3" }, { "expression": { "argumentTypes": null, "id": 786, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 771, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "6350:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 775, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 772, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6359:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 773, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6359:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6350:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 776, "indexExpression": { "argumentTypes": null, "id": 774, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6371:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "6350:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 784, "name": "addedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 758, "src": "6416:10:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 777, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "6382:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 780, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 778, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6391:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 779, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6391:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6382:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 782, "indexExpression": { "argumentTypes": null, "id": 781, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6403:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6382:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 783, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "6382:33:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 785, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6382:45:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6350:77:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 787, "nodeType": "ExpressionStatement", "src": "6350:77:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 789, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6451:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 790, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6451:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 791, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6463:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 792, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "6472:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 795, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 793, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6481:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 794, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6481:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6472:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 797, "indexExpression": { "argumentTypes": null, "id": 796, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6493:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6472:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 788, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 595, "src": "6442:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 798, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6442:60:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 799, "nodeType": "EmitStatement", "src": "6437:65:3" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 800, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "6519:4:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 762, "id": 801, "nodeType": "Return", "src": "6512:11:3" } ] }, "documentation": "@dev Increase the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed_[_spender] == 0. To increment\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param spender The address which will spend the funds.\n@param addedValue The amount of tokens to increase the allowance by.", "id": 803, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "increaseAllowance", "nodeType": "FunctionDefinition", "parameters": { "id": 759, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 756, "name": "spender", "nodeType": "VariableDeclaration", "scope": 803, "src": "6240:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 755, "name": "address", "nodeType": "ElementaryTypeName", "src": "6240:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 758, "name": "addedValue", "nodeType": "VariableDeclaration", "scope": 803, "src": "6257:18:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 757, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6257:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "6239:37:3" }, "payable": false, "returnParameters": { "id": 762, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 761, "name": "", "nodeType": "VariableDeclaration", "scope": 803, "src": "6293:4:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 760, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6293:4:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "6292:6:3" }, "scope": 1013, "src": "6213:317:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 851, "nodeType": "Block", "src": "7097:236:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 817, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 813, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7115:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 815, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7134:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 814, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7126:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 816, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7126:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "7115:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 812, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "7107:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 818, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7107:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 819, "nodeType": "ExpressionStatement", "src": "7107:30:3" }, { "expression": { "argumentTypes": null, "id": 835, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 820, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "7148:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 824, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 821, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7157:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 822, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7157:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7148:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 825, "indexExpression": { "argumentTypes": null, "id": 823, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7169:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7148:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 833, "name": "subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 807, "src": "7214:15:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 826, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "7180:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 829, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 827, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7189:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 828, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7189:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7180:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 831, "indexExpression": { "argumentTypes": null, "id": 830, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7201:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7180:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 832, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "7180:33:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 834, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7180:50:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7148:82:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 836, "nodeType": "ExpressionStatement", "src": "7148:82:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 838, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7254:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 839, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7254:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 840, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7266:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 841, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "7275:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 844, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 842, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7284:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 843, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7284:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7275:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 846, "indexExpression": { "argumentTypes": null, "id": 845, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7296:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7275:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 837, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 595, "src": "7245:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 847, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7245:60:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 848, "nodeType": "EmitStatement", "src": "7240:65:3" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 849, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "7322:4:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 811, "id": 850, "nodeType": "Return", "src": "7315:11:3" } ] }, "documentation": "@dev Decrease the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed_[_spender] == 0. To decrement\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param spender The address which will spend the funds.\n@param subtractedValue The amount of tokens to decrease the allowance by.", "id": 852, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "decreaseAllowance", "nodeType": "FunctionDefinition", "parameters": { "id": 808, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 805, "name": "spender", "nodeType": "VariableDeclaration", "scope": 852, "src": "7033:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 804, "name": "address", "nodeType": "ElementaryTypeName", "src": "7033:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 807, "name": "subtractedValue", "nodeType": "VariableDeclaration", "scope": 852, "src": "7050:23:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 806, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7050:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "7032:42:3" }, "payable": false, "returnParameters": { "id": 811, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 810, "name": "", "nodeType": "VariableDeclaration", "scope": 852, "src": "7091:4:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 809, "name": "bool", "nodeType": "ElementaryTypeName", "src": "7091:4:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "7090:6:3" }, "scope": 1013, "src": "7006:327:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 897, "nodeType": "Block", "src": "7616:187:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 866, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 862, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7634:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 864, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7648:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 863, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7640:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 865, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7640:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "7634:16:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 861, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "7626:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 867, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7626:25:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 868, "nodeType": "ExpressionStatement", "src": "7626:25:3" }, { "expression": { "argumentTypes": null, "id": 878, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 869, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7662:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 871, "indexExpression": { "argumentTypes": null, "id": 870, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 854, "src": "7672:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7662:15:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 876, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 858, "src": "7700:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 872, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7680:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 874, "indexExpression": { "argumentTypes": null, "id": 873, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 854, "src": "7690:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7680:15:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 875, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "7680:19:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 877, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7680:26:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7662:44:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 879, "nodeType": "ExpressionStatement", "src": "7662:44:3" }, { "expression": { "argumentTypes": null, "id": 889, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 880, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7716:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 882, "indexExpression": { "argumentTypes": null, "id": 881, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7726:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7716:13:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 887, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 858, "src": "7750:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 883, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7732:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 885, "indexExpression": { "argumentTypes": null, "id": 884, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7742:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7732:13:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 886, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "7732:17:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 888, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7732:24:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7716:40:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 890, "nodeType": "ExpressionStatement", "src": "7716:40:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 892, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 854, "src": "7780:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 893, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7786:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 894, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 858, "src": "7790:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 891, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 587, "src": "7771:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 895, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7771:25:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 896, "nodeType": "EmitStatement", "src": "7766:30:3" } ] }, "documentation": "@dev Transfer token for a specified addresses\n@param from The address to transfer from.\n@param to The address to transfer to.\n@param value The amount to be transferred.", "id": 898, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_transfer", "nodeType": "FunctionDefinition", "parameters": { "id": 859, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 854, "name": "from", "nodeType": "VariableDeclaration", "scope": 898, "src": "7566:12:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 853, "name": "address", "nodeType": "ElementaryTypeName", "src": "7566:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 856, "name": "to", "nodeType": "VariableDeclaration", "scope": 898, "src": "7580:10:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 855, "name": "address", "nodeType": "ElementaryTypeName", "src": "7580:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 858, "name": "value", "nodeType": "VariableDeclaration", "scope": 898, "src": "7592:13:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 857, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7592:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "7565:41:3" }, "payable": false, "returnParameters": { "id": 860, "nodeType": "ParameterList", "parameters": [], "src": "7616:0:3" }, "scope": 1013, "src": "7547:256:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 939, "nodeType": "Block", "src": "8202:207:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 910, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 906, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8220:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 908, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8239:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 907, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8231:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 909, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8231:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "8220:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 905, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "8212:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 911, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8212:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 912, "nodeType": "ExpressionStatement", "src": "8212:30:3" }, { "expression": { "argumentTypes": null, "id": 918, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 913, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8253:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 916, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 902, "src": "8285:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 914, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8268:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 915, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "8268:16:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 917, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8268:23:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8253:38:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 919, "nodeType": "ExpressionStatement", "src": "8253:38:3" }, { "expression": { "argumentTypes": null, "id": 929, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 920, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8301:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 922, "indexExpression": { "argumentTypes": null, "id": 921, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8311:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8301:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 927, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 902, "src": "8345:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 923, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8322:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 925, "indexExpression": { "argumentTypes": null, "id": 924, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8332:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8322:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 926, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "8322:22:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 928, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8322:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8301:50:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 930, "nodeType": "ExpressionStatement", "src": "8301:50:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 933, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8383:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 932, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8375:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 934, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8375:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 935, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8387:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 936, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 902, "src": "8396:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 931, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 587, "src": "8366:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 937, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8366:36:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 938, "nodeType": "EmitStatement", "src": "8361:41:3" } ] }, "documentation": "@dev Internal function that mints an amount of the token and assigns it to\nan account. This encapsulates the modification of balances such that the\nproper events are emitted.\n@param account The account that will receive the created tokens.\n@param value The amount that will be created.", "id": 940, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_mint", "nodeType": "FunctionDefinition", "parameters": { "id": 903, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 900, "name": "account", "nodeType": "VariableDeclaration", "scope": 940, "src": "8161:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 899, "name": "address", "nodeType": "ElementaryTypeName", "src": "8161:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 902, "name": "value", "nodeType": "VariableDeclaration", "scope": 940, "src": "8178:13:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 901, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8178:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "8160:32:3" }, "payable": false, "returnParameters": { "id": 904, "nodeType": "ParameterList", "parameters": [], "src": "8202:0:3" }, "scope": 1013, "src": "8146:263:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 981, "nodeType": "Block", "src": "8691:207:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 952, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 948, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8709:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 950, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8728:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 949, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8720:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 951, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8720:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "8709:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 947, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "8701:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 953, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8701:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 954, "nodeType": "ExpressionStatement", "src": "8701:30:3" }, { "expression": { "argumentTypes": null, "id": 960, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 955, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8742:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 958, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 944, "src": "8774:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 956, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8757:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 957, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "8757:16:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 959, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8757:23:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8742:38:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 961, "nodeType": "ExpressionStatement", "src": "8742:38:3" }, { "expression": { "argumentTypes": null, "id": 971, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 962, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8790:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 964, "indexExpression": { "argumentTypes": null, "id": 963, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8800:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8790:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 969, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 944, "src": "8834:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 965, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8811:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 967, "indexExpression": { "argumentTypes": null, "id": 966, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8821:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8811:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 968, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "8811:22:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 970, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8811:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8790:50:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 972, "nodeType": "ExpressionStatement", "src": "8790:50:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 974, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8864:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 976, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8881:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 975, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8873:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 977, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8873:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 978, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 944, "src": "8885:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 973, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 587, "src": "8855:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 979, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8855:36:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 980, "nodeType": "EmitStatement", "src": "8850:41:3" } ] }, "documentation": "@dev Internal function that burns an amount of the token of a given\naccount.\n@param account The account whose tokens will be burnt.\n@param value The amount that will be burnt.", "id": 982, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_burn", "nodeType": "FunctionDefinition", "parameters": { "id": 945, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 942, "name": "account", "nodeType": "VariableDeclaration", "scope": 982, "src": "8650:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 941, "name": "address", "nodeType": "ElementaryTypeName", "src": "8650:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 944, "name": "value", "nodeType": "VariableDeclaration", "scope": 982, "src": "8667:13:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 943, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8667:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "8649:32:3" }, "payable": false, "returnParameters": { "id": 946, "nodeType": "ParameterList", "parameters": [], "src": "8691:0:3" }, "scope": 1013, "src": "8635:263:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 1011, "nodeType": "Block", "src": "9280:287:3", "statements": [ { "expression": { "argumentTypes": null, "id": 1004, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 989, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "9457:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 993, "indexExpression": { "argumentTypes": null, "id": 990, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 984, "src": "9466:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9457:17:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 994, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 991, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "9475:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 992, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "9475:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "9457:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1002, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 986, "src": "9523:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 995, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "9489:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 997, "indexExpression": { "argumentTypes": null, "id": 996, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 984, "src": "9498:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9489:17:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 1000, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 998, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "9507:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 999, "isConstant": 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"typeString": "bool" } ], "id": 690, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "5074:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 696, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5074:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 697, "nodeType": "ExpressionStatement", "src": "5074:30:3" }, { "expression": { "argumentTypes": null, "id": 705, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 698, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "5115:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 702, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 699, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "5124:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 700, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5124:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5115:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 703, "indexExpression": { "argumentTypes": null, "id": 701, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 683, "src": "5136:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "5115:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 704, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 685, "src": "5147:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5115:37:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 706, "nodeType": "ExpressionStatement", "src": "5115:37:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 708, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "5176:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 709, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5176:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 710, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 683, "src": "5188:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 711, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 685, "src": "5197:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 707, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 595, "src": "5167:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 712, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5167:36:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 713, "nodeType": "EmitStatement", "src": "5162:41:3" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 714, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "5220:4:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 689, "id": 715, "nodeType": "Return", "src": "5213:11:3" } ] }, "documentation": "@dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.\nBeware that changing an allowance with this method brings the risk that someone may use both the old\nand the new allowance by unfortunate transaction ordering. One possible solution to mitigate this\nrace condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:\nhttps://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n@param spender The address which will spend the funds.\n@param value The amount of tokens to be spent.", "id": 717, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 686, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 683, "name": "spender", "nodeType": "VariableDeclaration", "scope": 717, "src": "5010:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 682, "name": "address", "nodeType": "ElementaryTypeName", "src": "5010:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": 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"typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "5057:6:3" }, "scope": 1013, "src": "4993:238:3", "stateMutability": "nonpayable", "superFunction": 568, "visibility": "public" }, { "body": { "id": 753, "nodeType": "Block", "src": "5602:140:3", "statements": [ { "expression": { "argumentTypes": null, "id": 743, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 728, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "5612:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 732, "indexExpression": { "argumentTypes": null, "id": 729, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 719, "src": "5621:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5612:14:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 733, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 730, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "5627:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 731, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5627:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "5612:26:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 741, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 723, "src": "5672:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 734, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "5641:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 736, "indexExpression": { "argumentTypes": null, "id": 735, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 719, "src": "5650:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5641:14:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 739, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 737, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "5656:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 738, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5656:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5641:26:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 740, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "5641:30:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 742, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5641:37:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5612:66:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 744, "nodeType": "ExpressionStatement", "src": "5612:66:3" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 746, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 719, "src": "5698:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 747, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 721, "src": "5704:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 748, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 723, "src": "5708:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 745, "name": "_transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 898, "src": "5688:9:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 749, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5688:26:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 750, "nodeType": "ExpressionStatement", "src": "5688:26:3" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 751, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "5731:4:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 727, "id": 752, "nodeType": "Return", "src": "5724:11:3" } ] }, "documentation": "@dev Transfer tokens from one address to another\n@param from address The address which you want to send tokens from\n@param to address The address which you want to transfer to\n@param value uint256 the amount of tokens to be transferred", "id": 754, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 724, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 719, "name": "from", "nodeType": "VariableDeclaration", "scope": 754, "src": "5539:12:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": 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"id": 722, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5565:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "5538:41:3" }, "payable": false, "returnParameters": { "id": 727, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 726, "name": "", "nodeType": "VariableDeclaration", "scope": 754, "src": "5596:4:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 725, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5596:4:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "5595:6:3" }, "scope": 1013, "src": "5517:225:3", "stateMutability": "nonpayable", "superFunction": 579, "visibility": "public" }, { "body": { "id": 802, "nodeType": "Block", "src": "6299:231:3", "statements": 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"typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 765, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6328:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 767, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6328:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "6317:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 763, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "6309:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 769, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6309:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 770, "nodeType": "ExpressionStatement", "src": "6309:30:3" }, { "expression": { "argumentTypes": null, "id": 786, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 771, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "6350:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 775, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 772, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6359:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 773, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6359:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6350:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 776, "indexExpression": { "argumentTypes": null, "id": 774, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6371:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "6350:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 784, "name": "addedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 758, "src": "6416:10:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 777, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "6382:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 780, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 778, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6391:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 779, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6391:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6382:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 782, "indexExpression": { "argumentTypes": null, "id": 781, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6403:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6382:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 783, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "6382:33:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 785, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6382:45:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6350:77:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 787, "nodeType": "ExpressionStatement", "src": "6350:77:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 789, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6451:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 790, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6451:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 791, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6463:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 792, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "6472:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 795, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 793, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "6481:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 794, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6481:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6472:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 797, "indexExpression": { "argumentTypes": null, "id": 796, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 756, "src": "6493:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6472:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 788, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 595, "src": "6442:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 798, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6442:60:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 799, "nodeType": "EmitStatement", "src": "6437:65:3" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 800, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "6519:4:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 762, "id": 801, "nodeType": "Return", "src": "6512:11:3" } ] }, "documentation": "@dev Increase the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed_[_spender] == 0. To increment\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param spender The address which will spend the funds.\n@param addedValue The amount of tokens to increase the allowance by.", "id": 803, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "increaseAllowance", "nodeType": "FunctionDefinition", "parameters": { "id": 759, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 756, "name": "spender", "nodeType": "VariableDeclaration", "scope": 803, "src": "6240:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 755, "name": "address", "nodeType": "ElementaryTypeName", "src": "6240:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 758, "name": "addedValue", "nodeType": "VariableDeclaration", "scope": 803, "src": "6257:18:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 757, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6257:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "6239:37:3" }, "payable": false, "returnParameters": { "id": 762, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 761, "name": "", "nodeType": "VariableDeclaration", "scope": 803, "src": "6293:4:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 760, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6293:4:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "6292:6:3" }, "scope": 1013, "src": "6213:317:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 851, "nodeType": "Block", "src": "7097:236:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 817, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 813, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7115:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 815, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7134:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 814, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7126:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 816, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7126:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "7115:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 812, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "7107:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 818, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7107:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 819, "nodeType": "ExpressionStatement", "src": "7107:30:3" }, { "expression": { "argumentTypes": null, "id": 835, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 820, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "7148:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 824, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 821, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7157:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 822, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7157:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7148:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 825, "indexExpression": { "argumentTypes": null, "id": 823, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7169:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7148:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 833, "name": "subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 807, "src": "7214:15:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 826, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "7180:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 829, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 827, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7189:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 828, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7189:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7180:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 831, "indexExpression": { "argumentTypes": null, "id": 830, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7201:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7180:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 832, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "7180:33:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 834, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7180:50:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7148:82:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 836, "nodeType": "ExpressionStatement", "src": "7148:82:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 838, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7254:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 839, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7254:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 840, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7266:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 841, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "7275:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 844, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 842, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "7284:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 843, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "7284:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7275:20:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 846, "indexExpression": { "argumentTypes": null, "id": 845, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 805, "src": "7296:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7275:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 837, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 595, "src": "7245:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 847, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7245:60:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 848, "nodeType": "EmitStatement", "src": "7240:65:3" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 849, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "7322:4:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 811, "id": 850, "nodeType": "Return", "src": "7315:11:3" } ] }, "documentation": "@dev Decrease the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed_[_spender] == 0. To decrement\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param spender The address which will spend the funds.\n@param subtractedValue The amount of tokens to decrease the allowance by.", "id": 852, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "decreaseAllowance", "nodeType": "FunctionDefinition", "parameters": { "id": 808, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 805, "name": "spender", "nodeType": "VariableDeclaration", "scope": 852, "src": "7033:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 804, "name": "address", "nodeType": "ElementaryTypeName", "src": "7033:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 807, "name": "subtractedValue", "nodeType": "VariableDeclaration", "scope": 852, "src": "7050:23:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 806, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7050:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "7032:42:3" }, "payable": false, "returnParameters": { "id": 811, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 810, "name": "", "nodeType": "VariableDeclaration", "scope": 852, "src": "7091:4:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 809, "name": "bool", "nodeType": "ElementaryTypeName", "src": "7091:4:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "7090:6:3" }, "scope": 1013, "src": "7006:327:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 897, "nodeType": "Block", "src": "7616:187:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 866, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 862, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7634:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 864, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7648:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 863, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7640:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 865, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7640:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "7634:16:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 861, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "7626:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 867, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7626:25:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 868, "nodeType": "ExpressionStatement", "src": "7626:25:3" }, { "expression": { "argumentTypes": null, "id": 878, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 869, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7662:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 871, "indexExpression": { "argumentTypes": null, "id": 870, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 854, "src": "7672:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7662:15:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 876, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 858, "src": "7700:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 872, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7680:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 874, "indexExpression": { "argumentTypes": null, "id": 873, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 854, "src": "7690:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7680:15:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 875, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "7680:19:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 877, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7680:26:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7662:44:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 879, "nodeType": "ExpressionStatement", "src": "7662:44:3" }, { "expression": { "argumentTypes": null, "id": 889, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 880, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7716:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 882, "indexExpression": { "argumentTypes": null, "id": 881, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7726:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "7716:13:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 887, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 858, "src": "7750:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 883, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "7732:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 885, "indexExpression": { "argumentTypes": null, "id": 884, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7742:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "7732:13:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 886, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "7732:17:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 888, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7732:24:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "7716:40:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 890, "nodeType": "ExpressionStatement", "src": "7716:40:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 892, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 854, "src": "7780:4:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 893, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 856, "src": "7786:2:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 894, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 858, "src": "7790:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 891, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 587, "src": "7771:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 895, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7771:25:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 896, "nodeType": "EmitStatement", "src": "7766:30:3" } ] }, "documentation": "@dev Transfer token for a specified addresses\n@param from The address to transfer from.\n@param to The address to transfer to.\n@param value The amount to be transferred.", "id": 898, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_transfer", "nodeType": "FunctionDefinition", "parameters": { "id": 859, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 854, "name": "from", "nodeType": "VariableDeclaration", "scope": 898, "src": "7566:12:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 853, "name": "address", "nodeType": "ElementaryTypeName", "src": "7566:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 856, "name": "to", "nodeType": "VariableDeclaration", "scope": 898, "src": "7580:10:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 855, "name": "address", "nodeType": "ElementaryTypeName", "src": "7580:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 858, "name": "value", "nodeType": "VariableDeclaration", "scope": 898, "src": "7592:13:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 857, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7592:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "7565:41:3" }, "payable": false, "returnParameters": { "id": 860, "nodeType": "ParameterList", "parameters": [], "src": "7616:0:3" }, "scope": 1013, "src": "7547:256:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 939, "nodeType": "Block", "src": "8202:207:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 910, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 906, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8220:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 908, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8239:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 907, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8231:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 909, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8231:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "8220:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 905, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "8212:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 911, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8212:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 912, "nodeType": "ExpressionStatement", "src": "8212:30:3" }, { "expression": { "argumentTypes": null, "id": 918, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 913, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8253:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 916, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 902, "src": "8285:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 914, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8268:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 915, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "8268:16:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 917, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8268:23:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8253:38:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 919, "nodeType": "ExpressionStatement", "src": "8253:38:3" }, { "expression": { "argumentTypes": null, "id": 929, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 920, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8301:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 922, "indexExpression": { "argumentTypes": null, "id": 921, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8311:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8301:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 927, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 902, "src": "8345:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 923, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8322:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 925, "indexExpression": { "argumentTypes": null, "id": 924, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8332:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8322:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 926, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 508, "src": "8322:22:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 928, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8322:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8301:50:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 930, "nodeType": "ExpressionStatement", "src": "8301:50:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 933, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8383:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 932, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8375:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 934, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8375:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 935, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 900, "src": "8387:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 936, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 902, "src": "8396:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 931, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 587, "src": "8366:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 937, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8366:36:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 938, "nodeType": "EmitStatement", "src": "8361:41:3" } ] }, "documentation": "@dev Internal function that mints an amount of the token and assigns it to\nan account. This encapsulates the modification of balances such that the\nproper events are emitted.\n@param account The account that will receive the created tokens.\n@param value The amount that will be created.", "id": 940, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_mint", "nodeType": "FunctionDefinition", "parameters": { "id": 903, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 900, "name": "account", "nodeType": "VariableDeclaration", "scope": 940, "src": "8161:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 899, "name": "address", "nodeType": "ElementaryTypeName", "src": "8161:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 902, "name": "value", "nodeType": "VariableDeclaration", "scope": 940, "src": "8178:13:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 901, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8178:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "8160:32:3" }, "payable": false, "returnParameters": { "id": 904, "nodeType": "ParameterList", "parameters": [], "src": "8202:0:3" }, "scope": 1013, "src": "8146:263:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 981, "nodeType": "Block", "src": "8691:207:3", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 952, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 948, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8709:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 950, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8728:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 949, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8720:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 951, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8720:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "8709:21:3", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 947, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 5345, 5346 ], "referencedDeclaration": 5345, "src": "8701:7:3", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 953, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8701:30:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 954, "nodeType": "ExpressionStatement", "src": "8701:30:3" }, { "expression": { "argumentTypes": null, "id": 960, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 955, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8742:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 958, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 944, "src": "8774:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 956, "name": "_totalSupply", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "8757:12:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 957, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "8757:16:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 959, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8757:23:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8742:38:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 961, "nodeType": "ExpressionStatement", "src": "8742:38:3" }, { "expression": { "argumentTypes": null, "id": 971, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 962, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8790:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 964, "indexExpression": { "argumentTypes": null, "id": 963, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8800:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8790:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 969, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 944, "src": "8834:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 965, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 605, "src": "8811:9:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 967, "indexExpression": { "argumentTypes": null, "id": 966, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8821:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8811:18:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 968, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "8811:22:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 970, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8811:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "8790:50:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 972, "nodeType": "ExpressionStatement", "src": "8790:50:3" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 974, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 942, "src": "8864:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 976, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8881:1:3", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 975, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8873:7:3", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 977, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8873:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 978, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 944, "src": "8885:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 973, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 587, "src": "8855:8:3", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 979, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "8855:36:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 980, "nodeType": "EmitStatement", "src": "8850:41:3" } ] }, "documentation": "@dev Internal function that burns an amount of the token of a given\naccount.\n@param account The account whose tokens will be burnt.\n@param value The amount that will be burnt.", "id": 982, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_burn", "nodeType": "FunctionDefinition", "parameters": { "id": 945, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 942, "name": "account", "nodeType": "VariableDeclaration", "scope": 982, "src": "8650:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 941, "name": "address", "nodeType": "ElementaryTypeName", "src": "8650:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 944, "name": "value", "nodeType": "VariableDeclaration", "scope": 982, "src": "8667:13:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 943, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8667:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "8649:32:3" }, "payable": false, "returnParameters": { "id": 946, "nodeType": "ParameterList", "parameters": [], "src": "8691:0:3" }, "scope": 1013, "src": "8635:263:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 1011, "nodeType": "Block", "src": "9280:287:3", "statements": [ { "expression": { "argumentTypes": null, "id": 1004, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 989, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "9457:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 993, "indexExpression": { "argumentTypes": null, "id": 990, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 984, "src": "9466:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9457:17:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 994, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 991, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "9475:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 992, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "9475:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "9457:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1002, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 986, "src": "9523:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 995, "name": "_allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 611, "src": "9489:8:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 997, "indexExpression": { "argumentTypes": null, "id": 996, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 984, "src": "9498:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9489:17:3", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 1000, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 998, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5342, "src": "9507:3:3", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 999, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "9507:10:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9489:29:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1001, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 484, "src": "9489:33:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1003, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9489:40:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9457:72:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1005, "nodeType": "ExpressionStatement", "src": "9457:72:3" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1007, "name": "account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 984, "src": "9545:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1008, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 986, "src": "9554:5:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 1006, "name": "_burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 982, "src": "9539:5:3", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 1009, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9539:21:3", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1010, "nodeType": "ExpressionStatement", "src": "9539:21:3" } ] }, "documentation": "@dev Internal function that burns an amount of the token of a given\naccount, deducting from the sender's allowance for said account. Uses the\ninternal burn function.\n@param account The account whose tokens will be burnt.\n@param value The amount that will be burnt.", "id": 1012, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_burnFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 987, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 984, "name": "account", "nodeType": "VariableDeclaration", "scope": 1012, "src": "9239:15:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 983, "name": "address", "nodeType": "ElementaryTypeName", "src": "9239:7:3", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 986, "name": "value", "nodeType": "VariableDeclaration", "scope": 1012, "src": "9256:13:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 985, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9256:7:3", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "9238:32:3" }, "payable": false, "returnParameters": { "id": 988, "nodeType": "ParameterList", "parameters": [], "src": "9280:0:3" }, "scope": 1013, "src": "9220:347:3", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 1014, "src": "2819:6750:3" } ], "src": "0:9570:3" }, "compiler": { "name": "solc", "version": "0.4.25+commit.59dbf8f1.Emscripten.clang" }, "networks": {}, "schemaVersion": "2.0.2", "updatedAt": "2019-06-04T01:05:26.383Z" }