LinkToken.json

{
  "address": "0x5f5e076Ea19c21F4265ddA0231AA9AFddE0714f5",
  "abi": [
    {
      "constant": true,
      "inputs": [],
      "name": "name",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_spender",
          "type": "address"
        },
        {
          "name": "_value",
          "type": "uint256"
        }
      ],
      "name": "approve",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "totalSupply",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_from",
          "type": "address"
        },
        {
          "name": "_to",
          "type": "address"
        },
        {
          "name": "_value",
          "type": "uint256"
        }
      ],
      "name": "transferFrom",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "decimals",
      "outputs": [
        {
          "name": "",
          "type": "uint8"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_to",
          "type": "address"
        },
        {
          "name": "_value",
          "type": "uint256"
        },
        {
          "name": "_data",
          "type": "bytes"
        }
      ],
      "name": "transferAndCall",
      "outputs": [
        {
          "name": "success",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_spender",
          "type": "address"
        },
        {
          "name": "_subtractedValue",
          "type": "uint256"
        }
      ],
      "name": "decreaseApproval",
      "outputs": [
        {
          "name": "success",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "_owner",
          "type": "address"
        }
      ],
      "name": "balanceOf",
      "outputs": [
        {
          "name": "balance",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "symbol",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_to",
          "type": "address"
        },
        {
          "name": "_value",
          "type": "uint256"
        }
      ],
      "name": "transfer",
      "outputs": [
        {
          "name": "success",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_spender",
          "type": "address"
        },
        {
          "name": "_addedValue",
          "type": "uint256"
        }
      ],
      "name": "increaseApproval",
      "outputs": [
        {
          "name": "success",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "_owner",
          "type": "address"
        },
        {
          "name": "_spender",
          "type": "address"
        }
      ],
      "name": "allowance",
      "outputs": [
        {
          "name": "remaining",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "from",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "to",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "value",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "data",
          "type": "bytes"
        }
      ],
      "name": "Transfer",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "spender",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "value",
          "type": "uint256"
        }
      ],
      "name": "Approval",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "from",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "to",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "value",
          "type": "uint256"
        }
      ],
      "name": "Transfer",
      "type": "event"
    }
  ],
  "transactionHash": "0x780b8d4face7d3dba2d09ecbeda08f0fbc11a71cbd36a31f578014cf7a09a0cc",
  "receipt": {
    "to": null,
    "from": "0x972614782a893ad3139418Ef00e17fE95896A7c6",
    "contractAddress": "0x5f5e076Ea19c21F4265ddA0231AA9AFddE0714f5",
    "transactionIndex": 1,
    "gasUsed": "671236",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "blockHash": "0x2439460c3441a338b0992a68559da9afa4ab0d8df3500d5498b0bedab602a75b",
    "transactionHash": "0x780b8d4face7d3dba2d09ecbeda08f0fbc11a71cbd36a31f578014cf7a09a0cc",
    "logs": [],
    "blockNumber": 257821,
    "cumulativeGasUsed": "809174",
    "status": 1,
    "byzantium": true
  },
  "args": [],
  "solcInputHash": "a788f80f153199d969f8c01022745d7e",
  "metadata": "{\"compiler\":{\"version\":\"0.4.24+commit.e67f0147\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_spender\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_from\",\"type\":\"address\"},{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"},{\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"transferAndCall\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_spender\",\"type\":\"address\"},{\"name\":\"_subtractedValue\",\"type\":\"uint256\"}],\"name\":\"decreaseApproval\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"name\":\"balance\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_spender\",\"type\":\"address\"},{\"name\":\"_addedValue\",\"type\":\"uint256\"}],\"name\":\"increaseApproval\",\"outputs\":[{\"name\":\"success\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_owner\",\"type\":\"address\"},{\"name\":\"_spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"name\":\"remaining\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"}],\"devdoc\":{\"methods\":{\"allowance(address,address)\":{\"details\":\"Function to check the amount of tokens that an owner allowed to a spender.\",\"params\":{\"_owner\":\"address The address which owns the funds.\",\"_spender\":\"address The address which will spend the funds.\"},\"return\":\"A uint256 specifying the amount of tokens still available for the spender.\"},\"approve(address,uint256)\":{\"details\":\"Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.\",\"params\":{\"_spender\":\"The address which will spend the funds.\",\"_value\":\"The amount of tokens to be spent.\"}},\"balanceOf(address)\":{\"details\":\"Gets the balance of the specified address.\",\"params\":{\"_owner\":\"The address to query the the balance of. \"},\"return\":\"An uint256 representing the amount owned by the passed address.\"},\"transfer(address,uint256)\":{\"details\":\"transfer token to a specified address.\",\"params\":{\"_to\":\"The address to transfer to.\",\"_value\":\"The amount to be transferred.\"}},\"transferAndCall(address,uint256,bytes)\":{\"details\":\"transfer token to a specified address with additional data if the recipient is a contract.\",\"params\":{\"_data\":\"The extra data to be passed to the receiving contract.\",\"_to\":\"The address to transfer to.\",\"_value\":\"The amount to be transferred.\"}},\"transferFrom(address,address,uint256)\":{\"details\":\"Transfer tokens from one address to another\",\"params\":{\"_from\":\"address The address which you want to send tokens from\",\"_to\":\"address The address which you want to transfer to\",\"_value\":\"uint256 the amount of tokens to be transferred\"}}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@chainlink/contracts/src/v0.4/LinkToken.sol\":\"LinkToken\"},\"evmVersion\":\"byzantium\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@chainlink/contracts/src/v0.4/ERC677Token.sol\":{\"content\":\"pragma solidity ^0.4.11;\\n\\n\\nimport \\\"./interfaces/ERC677.sol\\\";\\nimport \\\"./interfaces/ERC677Receiver.sol\\\";\\n\\n\\ncontract ERC677Token is ERC677 {\\n\\n  /**\\n  * @dev transfer token to a contract address with additional data if the recipient is a contact.\\n  * @param _to The address to transfer to.\\n  * @param _value The amount to be transferred.\\n  * @param _data The extra data to be passed to the receiving contract.\\n  */\\n  function transferAndCall(address _to, uint _value, bytes _data)\\n    public\\n    returns (bool success)\\n  {\\n    super.transfer(_to, _value);\\n    Transfer(msg.sender, _to, _value, _data);\\n    if (isContract(_to)) {\\n      contractFallback(_to, _value, _data);\\n    }\\n    return true;\\n  }\\n\\n\\n  // PRIVATE\\n\\n  function contractFallback(address _to, uint _value, bytes _data)\\n    private\\n  {\\n    ERC677Receiver receiver = ERC677Receiver(_to);\\n    receiver.onTokenTransfer(msg.sender, _value, _data);\\n  }\\n\\n  function isContract(address _addr)\\n    private\\n    returns (bool hasCode)\\n  {\\n    uint length;\\n    assembly { length := extcodesize(_addr) }\\n    return length > 0;\\n  }\\n\\n}\\n\",\"keccak256\":\"0xeacb6ca1b05d37392d8387d8f41111eea4b117a078bdd419f09690d14947779c\"},\"@chainlink/contracts/src/v0.4/LinkToken.sol\":{\"content\":\"pragma solidity ^0.4.11;\\n\\n\\nimport \\\"./ERC677Token.sol\\\";\\nimport { StandardToken as linkStandardToken } from \\\"./vendor/StandardToken.sol\\\";\\n\\n\\ncontract LinkToken is linkStandardToken, ERC677Token {\\n\\n  uint public constant totalSupply = 10**27;\\n  string public constant name = \\\"ChainLink Token\\\";\\n  uint8 public constant decimals = 18;\\n  string public constant symbol = \\\"LINK\\\";\\n\\n  function LinkToken()\\n    public\\n  {\\n    balances[msg.sender] = totalSupply;\\n  }\\n\\n  /**\\n  * @dev transfer token to a specified address with additional data if the recipient is a contract.\\n  * @param _to The address to transfer to.\\n  * @param _value The amount to be transferred.\\n  * @param _data The extra data to be passed to the receiving contract.\\n  */\\n  function transferAndCall(address _to, uint _value, bytes _data)\\n    public\\n    validRecipient(_to)\\n    returns (bool success)\\n  {\\n    return super.transferAndCall(_to, _value, _data);\\n  }\\n\\n  /**\\n  * @dev transfer token to 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, uint _value)\\n    public\\n    validRecipient(_to)\\n    returns (bool success)\\n  {\\n    return super.transfer(_to, _value);\\n  }\\n\\n  /**\\n   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.\\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)\\n    public\\n    validRecipient(_spender)\\n    returns (bool)\\n  {\\n    return super.approve(_spender,  _value);\\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)\\n    public\\n    validRecipient(_to)\\n    returns (bool)\\n  {\\n    return super.transferFrom(_from, _to, _value);\\n  }\\n\\n\\n  // MODIFIERS\\n\\n  modifier validRecipient(address _recipient) {\\n    require(_recipient != address(0) && _recipient != address(this));\\n    _;\\n  }\\n\\n}\\n\",\"keccak256\":\"0x2547b52b2242a521aa50c1907e2ed75d2d66276a00348ba9adac78976b913ba0\"},\"@chainlink/contracts/src/v0.4/interfaces/ERC20.sol\":{\"content\":\"pragma solidity ^0.4.11;\\n\\n\\nimport { ERC20Basic as linkERC20Basic } from \\\"./ERC20Basic.sol\\\";\\n\\n\\n/**\\n * @title ERC20 interface\\n * @dev see https://github.com/ethereum/EIPs/issues/20\\n */\\ncontract ERC20 is linkERC20Basic {\\n  function allowance(address owner, address spender) constant returns (uint256);\\n  function transferFrom(address from, address to, uint256 value) returns (bool);\\n  function approve(address spender, uint256 value) returns (bool);\\n  event Approval(address indexed owner, address indexed spender, uint256 value);\\n}\\n\",\"keccak256\":\"0x2e730e56649a5cb6666156e209fc3dc20cacfc4ec20cb85dc54cd6a3fa0b813b\"},\"@chainlink/contracts/src/v0.4/interfaces/ERC20Basic.sol\":{\"content\":\"pragma solidity ^0.4.11;\\n\\n\\n/**\\n * @title ERC20Basic\\n * @dev Simpler version of ERC20 interface\\n * @dev see https://github.com/ethereum/EIPs/issues/179\\n */\\ncontract ERC20Basic {\\n  uint256 public totalSupply;\\n  function balanceOf(address who) constant returns (uint256);\\n  function transfer(address to, uint256 value) returns (bool);\\n  event Transfer(address indexed from, address indexed to, uint256 value);\\n}\\n\",\"keccak256\":\"0x5c0857cec6aebc5dfbafe5c0b3761952f0180c07f23200ed2b80051ccc6a6d6d\"},\"@chainlink/contracts/src/v0.4/interfaces/ERC677.sol\":{\"content\":\"pragma solidity ^0.4.8;\\n\\nimport { ERC20 as linkERC20 } from \\\"./ERC20.sol\\\";\\n\\ncontract ERC677 is linkERC20 {\\n  function transferAndCall(address to, uint value, bytes data) returns (bool success);\\n\\n  event Transfer(address indexed from, address indexed to, uint value, bytes data);\\n}\\n\",\"keccak256\":\"0xeec3140eb61694ad393e98430c7f7d2ecedf69cf2db73a4897bebed69c0c19da\"},\"@chainlink/contracts/src/v0.4/interfaces/ERC677Receiver.sol\":{\"content\":\"pragma solidity ^0.4.8;\\n\\n\\ncontract ERC677Receiver {\\n  function onTokenTransfer(address _sender, uint _value, bytes _data);\\n}\\n\",\"keccak256\":\"0x52941220da118a31f512cef775e8123339380e50fcac039d7b057f035634ddaa\"},\"@chainlink/contracts/src/v0.4/vendor/BasicToken.sol\":{\"content\":\"pragma solidity ^0.4.24;\\n\\n\\nimport { ERC20Basic as linkERC20Basic } from \\\"../interfaces/ERC20Basic.sol\\\";\\nimport { SafeMathChainlink as linkSafeMath } from \\\"./SafeMathChainlink.sol\\\";\\n\\n\\n/**\\n * @title Basic token\\n * @dev Basic version of StandardToken, with no allowances. \\n */\\ncontract BasicToken is linkERC20Basic {\\n  using linkSafeMath for uint256;\\n\\n  mapping(address => uint256) balances;\\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) returns (bool) {\\n    balances[msg.sender] = balances[msg.sender].sub(_value);\\n    balances[_to] = balances[_to].add(_value);\\n    Transfer(msg.sender, _to, _value);\\n    return true;\\n  }\\n\\n  /**\\n  * @dev Gets the balance of the specified address.\\n  * @param _owner The address to query the the balance of. \\n  * @return An uint256 representing the amount owned by the passed address.\\n  */\\n  function balanceOf(address _owner) constant returns (uint256 balance) {\\n    return balances[_owner];\\n  }\\n\\n}\\n\",\"keccak256\":\"0xe024b5f9c509c6e630587c51beeb5417a7b147c4532b0cbf00763a01ff98ad45\"},\"@chainlink/contracts/src/v0.4/vendor/SafeMathChainlink.sol\":{\"content\":\"pragma solidity ^0.4.11;\\n\\n\\n/**\\n * @title SafeMath\\n * @dev Math operations with safety checks that throw on error\\n */\\nlibrary SafeMathChainlink {\\n\\n  /**\\n  * @dev Multiplies two numbers, throws on overflow.\\n  */\\n  function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {\\n    // Gas optimization: this is cheaper than asserting '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    c = _a * _b;\\n    assert(c / _a == _b);\\n    return c;\\n  }\\n\\n  /**\\n  * @dev Integer division of two numbers, truncating the quotient.\\n  */\\n  function div(uint256 _a, uint256 _b) internal pure returns (uint256) {\\n    // assert(_b > 0); // Solidity automatically throws when dividing by 0\\n    // uint256 c = _a / _b;\\n    // assert(_a == _b * c + _a % _b); // There is no case in which this doesn't hold\\n    return _a / _b;\\n  }\\n\\n  /**\\n  * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).\\n  */\\n  function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {\\n    assert(_b <= _a);\\n    return _a - _b;\\n  }\\n\\n  /**\\n  * @dev Adds two numbers, throws on overflow.\\n  */\\n  function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {\\n    c = _a + _b;\\n    assert(c >= _a);\\n    return c;\\n  }\\n}\\n\",\"keccak256\":\"0xb822782dea15f1fa4992c27639e9f9e4a4758b2c2fd8b12ec90c4de336de9074\"},\"@chainlink/contracts/src/v0.4/vendor/StandardToken.sol\":{\"content\":\"pragma solidity ^0.4.11;\\n\\n\\nimport { BasicToken as linkBasicToken } from \\\"./BasicToken.sol\\\";\\nimport { ERC20 as linkERC20 } from \\\"../interfaces/ERC20.sol\\\";\\n\\n\\n/**\\n * @title Standard ERC20 token\\n *\\n * @dev Implementation of the basic standard token.\\n * @dev https://github.com/ethereum/EIPs/issues/20\\n * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol\\n */\\ncontract StandardToken is linkERC20, linkBasicToken {\\n\\n  mapping (address => mapping (address => uint256)) allowed;\\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) returns (bool) {\\n    var _allowance = allowed[_from][msg.sender];\\n\\n    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met\\n    // require (_value <= _allowance);\\n\\n    balances[_from] = balances[_from].sub(_value);\\n    balances[_to] = balances[_to].add(_value);\\n    allowed[_from][msg.sender] = _allowance.sub(_value);\\n    Transfer(_from, _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   * @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) returns (bool) {\\n    allowed[msg.sender][_spender] = _value;\\n    Approval(msg.sender, _spender, _value);\\n    return true;\\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) constant returns (uint256 remaining) {\\n    return allowed[_owner][_spender];\\n  }\\n  \\n    /*\\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   */\\n  function increaseApproval (address _spender, uint _addedValue) \\n    returns (bool success) {\\n    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);\\n    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);\\n    return true;\\n  }\\n\\n  function decreaseApproval (address _spender, uint _subtractedValue) \\n    returns (bool success) {\\n    uint oldValue = allowed[msg.sender][_spender];\\n    if (_subtractedValue > oldValue) {\\n      allowed[msg.sender][_spender] = 0;\\n    } else {\\n      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);\\n    }\\n    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);\\n    return true;\\n  }\\n\\n}\\n\",\"keccak256\":\"0xd95075ff88d9c3e18f894f3a65f698d98b041db68bddaf9adf63ad9652363c06\"}},\"version\":1}",
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  "devdoc": {
    "methods": {
      "allowance(address,address)": {
        "details": "Function to check the amount of tokens that an owner allowed to a spender.",
        "params": {
          "_owner": "address The address which owns the funds.",
          "_spender": "address The address which will spend the funds."
        },
        "return": "A uint256 specifying the amount of tokens still available for the spender."
      },
      "approve(address,uint256)": {
        "details": "Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.",
        "params": {
          "_spender": "The address which will spend the funds.",
          "_value": "The amount of tokens to be spent."
        }
      },
      "balanceOf(address)": {
        "details": "Gets the balance of the specified address.",
        "params": {
          "_owner": "The address to query the the balance of. "
        },
        "return": "An uint256 representing the amount owned by the passed address."
      },
      "transfer(address,uint256)": {
        "details": "transfer token to a specified address.",
        "params": {
          "_to": "The address to transfer to.",
          "_value": "The amount to be transferred."
        }
      },
      "transferAndCall(address,uint256,bytes)": {
        "details": "transfer token to a specified address with additional data if the recipient is a contract.",
        "params": {
          "_data": "The extra data to be passed to the receiving contract.",
          "_to": "The address to transfer to.",
          "_value": "The amount to be transferred."
        }
      },
      "transferFrom(address,address,uint256)": {
        "details": "Transfer tokens from one address to another",
        "params": {
          "_from": "address The address which you want to send tokens from",
          "_to": "address The address which you want to transfer to",
          "_value": "uint256 the amount of tokens to be transferred"
        }
      }
    }
  },
  "userdoc": {
    "methods": {}
  }
}