ETH Price: $3,455.20 (+1.66%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

727,092 ( 0.076%)

Market

Price

$25.08 @ 0.007259 ETH (+4.25%)

Onchain Market Cap

$25,080,000,000.00

Circulating Supply Market Cap

$15,794,229,985.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
8.495009031959656553 LINK

Value
$213.05 ( ~0.0616606021034771 Eth) [0.0000%]
0xaaaaaa22f727335f79deb48f9f436001c8c55e82
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OVERVIEW

A blockchain-based middleware, acting as a bridge between cryptocurrency smart contracts, data feeds, APIs and traditional bank account payments.

Profitability / Loss

Since Initial Offer Price
:$0.11 22700% |ETH 0.0003846 1787.42%

Market

Volume (24H):$1,953,655,789.00
Market Capitalization:$15,794,229,985.00
Circulating Supply:631,099,972.00 LINK
Market Data Source: Coinmarketcap

ICO Information

ICO Start Date : Sep 19, 2017   
Total Cap : $32,000,000
ICO Price  : $0.11 | 0.0003846 ETH
Country : USA

# Exchange Pair Price  24H Volume % Volume
1
Binance
LINK-USDT$24.85
0.0072061 Eth
$224,273,823.00
9,198,829.100 LINK
19.7131%
2
Coinbase Exchange
LINK-USD$25.08
0.0072654 Eth
$94,362,635.00
3,762,015.500 LINK
8.0620%
3
WhiteBIT
LINK-USDT$24.95
0.0072319 Eth
$71,606,178.00
2,870,125.430 LINK
6.1507%
4
Upbit
LINK-KRW$25.80
0.0074804 Eth
$70,253,295.00
2,723,003.527 LINK
5.8354%
5
MEXC
LINK-USDT$24.68
0.0071366 Eth
$56,612,725.00
2,294,082.370 LINK
4.9162%
6
Bitget
LINK-USDT$25.20
0.0073059 Eth
$47,891,758.00
1,960,714.975 LINK
4.2018%
7
P2B
LINK-USDT$24.63
0.0071331 Eth
$46,488,651.00
1,887,120.290 LINK
4.0441%
8
Bybit
LINK-USDT$25.20
0.0073068 Eth
$39,325,568.00
1,609,541.102 LINK
3.4492%
9
OKX
LINK-USDT$25.20
0.0073058 Eth
$36,516,270.00
1,495,550.523 LINK
3.2050%
10
DigiFinex
LINK-USDT$25.19
0.0073027 Eth
$29,287,280.00
1,162,783.950 LINK
2.4918%
11
XT.COM
LINK-USDT$25.15
0.0072837 Eth
$26,391,099.00
1,081,750.100 LINK
2.3182%
12
Slex
LINK-USDT$25.19
0.0073018 Eth
$25,325,713.00
1,041,743.180 LINK
2.2325%
13
WEEX
LINK-USDT$24.96
0.0072296 Eth
$22,399,665.00
919,139.190 LINK
1.9697%
14
FameEX
LINK-USDT$24.82
0.0071953 Eth
$22,251,549.00
912,497.819 LINK
1.9555%
15
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$25.13
0.0072898 Eth
$21,727,508.00
885,140.431 0X514910771AF9CA656AF840DFF83E8264ECF986CA
1.8969%
16
Azbit
LINK-USDT$25.10
0.0072782 Eth
$21,681,463.00
888,655.414 LINK
1.9044%
17
Coinstore
LINK-USDT$25.20
0.0073080 Eth
$18,234,529.00
747,950.400 LINK
1.6029%
18
Bitunix
LINK-USDT$25.14
0.0072861 Eth
$18,213,254.00
724,217.370 LINK
1.5520%
19
Bithumb
LINK-KRW$25.85
0.0074963 Eth
$14,344,050.00
554,793.325 LINK
1.1889%
20
HTX
LINK-USDT$25.23
0.0073155 Eth
$13,682,752.00
562,464.714 LINK
1.2054%
21
Binance
LINK-FDUSD$25.21
0.0073080 Eth
$12,692,856.00
519,952.980 LINK
1.1143%
22
BYDFi
LINK-USDT$24.79
0.0071879 Eth
$12,510,711.00
504,566.840 LINK
1.0813%
23
KuCoin
LINK-USDT$25.24
0.0073208 Eth
$11,550,642.00
457,700.128 LINK
0.9809%
24
BTSE
LINK-USDT$25.07
0.0072733 Eth
$10,945,333.00
436,557.338 LINK
0.9355%
25
LATOKEN
LINK-USDT$25.09
0.0072663 Eth
$10,561,842.00
421,025.811 LINK
0.9023%
26
Kraken
LINK-USD$25.15
0.0072935 Eth
$9,850,980.00
391,656.833 LINK
0.8393%
27
Biconomy.com
LINK-USDT$25.13
0.0072808 Eth
$9,340,021.00
383,052.540 LINK
0.8209%
28
Coinbase Exchange
LINK-GBP$25.22
0.0073135 Eth
$8,982,546.00
356,199.030 LINK
0.7633%
29
QMall
LINK-USDT$24.75
0.0071570 Eth
$8,644,234.00
354,254.143 LINK
0.7592%
30
Dex-Trade
LINK-USDT$25.10
0.0072692 Eth
$7,455,198.00
297,076.400 LINK
0.6366%
31
Hotcoin
LINK-USDT$25.12
0.0072847 Eth
$6,513,701.00
259,321.240 LINK
0.5557%
32
Bitvavo
LINK-EUR$25.25
0.0073214 Eth
$6,376,335.00
252,509.725 LINK
0.5411%
33
LBank
LINK-USDT$25.05
0.0072677 Eth
$5,809,235.00
231,881.740 LINK
0.4969%
34
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$25.14
0.0072917 Eth
$5,521,302.00
224,548.522 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.4812%
35
Coinbase Exchange
LINK-EUR$25.22
0.0073124 Eth
$4,700,874.00
186,412.920 LINK
0.3995%
36
CoinEx
LINK-USDT$25.18
0.0073005 Eth
$3,880,585.00
158,242.233 LINK
0.3391%
37
FMCPAY
LINK-USDT$25.10
0.0072692 Eth
$3,726,689.00
152,611.221 LINK
0.3270%
38
PointPay
LINK-USDT$25.14
0.0072808 Eth
$3,607,699.00
147,819.594 LINK
0.3168%
39
Dcoin
LINK-USDT$25.11
0.0072721 Eth
$3,163,031.00
125,991.000 LINK
0.2700%
40
EXMO
LINK-USDT$25.25
0.0073232 Eth
$3,058,795.00
121,117.873 LINK
0.2596%
41
WhiteBIT
LINK-BTC$25.22
0.0073170 Eth
$2,604,703.00
103,267.490 LINK
0.2213%
42
Phemex
LINK-USDT$25.07
0.0072605 Eth
$2,553,583.00
101,874.400 LINK
0.2183%
43
Coinbase Exchange
LINK-USDT$25.15
0.0072836 Eth
$2,452,261.00
97,517.461 LINK
0.2090%
44
WhiteBIT
LINK-TRY$25.33
0.0073466 Eth
$2,325,207.00
91,813.920 LINK
0.1968%
45
BitStorage
LINK-USDT$25.08
0.0072752 Eth
$1,835,030.00
73,170.460 LINK
0.1568%
46
FMCPAY
LINK-ETH$25.09
0.0072686 Eth
$1,829,911.00
74,651.680 LINK
0.1600%
47
BitMart
LINK-USDT$25.15
0.0072920 Eth
$1,820,990.00
72,404.540 LINK
0.1552%
48
EarnBIT
LINK-USDT$25.13
0.0072834 Eth
$1,743,330.00
71,522.809 LINK
0.1533%
49
FMCPAY
LINK-BTC$25.12
0.0072755 Eth
$1,705,214.00
68,340.623 LINK
0.1465%
50
Kraken
LINK-EUR$25.11
0.0072818 Eth
$1,558,298.00
62,054.642 LINK
0.1330%
51
Binance
LINK-TRY$24.76
0.0071766 Eth
$1,495,805.00
61,091.170 LINK
0.1309%
52
tanX
LINK-USDC$25.14
0.0072831 Eth
$1,492,318.00
61,229.030 LINK
0.1312%
53
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.11
0.0072829 Eth
$1,377,246.00
56,047.487 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1201%
54
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$25.06
0.0072693 Eth
$1,345,578.00
55,074.813 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1180%
55
Bitbank
LINK-JPY$25.20
0.0073086 Eth
$1,289,383.00
51,157.427 LINK
0.1096%
56
Kraken
LINK-USDT$25.21
0.0073104 Eth
$1,198,221.00
47,528.379 LINK
0.1019%
57
Bybit
LINK-USDC$25.20
0.0073053 Eth
$1,173,288.00
47,845.841 LINK
0.1025%
58
Koinpark
LINK-USDT$24.76
0.0071786 Eth
$1,169,543.00
47,227.287 LINK
0.1012%
59
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$25.13
0.0072898 Eth
$1,158,930.00
78,994.957 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1693%
60
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$25.16
0.0072975 Eth
$1,007,132.00
40,597.111 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0870%
61
KuCoin
LINK-USDC$25.21
0.0073145 Eth
$1,003,222.00
39,787.934 LINK
0.0853%
62
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$25.13
0.0072862 Eth
$967,808.00
39,343.858 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0843%
63
WhiteBIT
LINK-EUR$24.65
0.0071360 Eth
$952,940.00
38,661.920 LINK
0.0829%
64
BigONE
LINK-USDT$24.87
0.0072087 Eth
$947,759.00
38,110.150 LINK
0.0817%
65
Binance
LINK-EUR$25.12
0.0072770 Eth
$932,645.00
38,220.930 LINK
0.0819%
66
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$25.14
0.0072918 Eth
$891,812.00
36,295.354 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0778%
67
Gemini
LINK-USD$25.24
0.0073169 Eth
$859,052.00
34,040.388 LINK
0.0729%
68
Coinbase Exchange
LINK-BTC$25.23
0.0073158 Eth
$835,216.00
33,109.940 LINK
0.0710%
69
Trubit
LINK-USDT$25.12
0.0072765 Eth
$815,341.00
33,506.760 LINK
0.0718%
70
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.18
0.0072999 Eth
$747,117.00
30,395.570 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0651%
71
Tokpie
LINK-USDT$24.95
0.0072295 Eth
$732,624.00
29,358.968 LINK
0.0629%
72
itBit
LINK-USD$25.19
0.0073045 Eth
$675,698.00
26,824.053 LINK
0.0575%
73
Coinbase Exchange
LINK-ETH$25.08
0.0072653 Eth
$642,867.00
25,634.920 LINK
0.0549%
74
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$25.19
0.0073063 Eth
$574,058.00
556,794.200 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.1932%
75
BitMart
LINK-BTC$25.13
0.0072862 Eth
$565,935.00
22,520.000 LINK
0.0483%
76
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$25.08
0.0072709 Eth
$521,613.00
511,176.331 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0955%
77
WEEX
LINK-USDC$25.00
0.0072426 Eth
$500,454.00
20,016.424 LINK
0.0429%
78
Slex
LINK-BTC$25.13
0.0072895 Eth
$472,554.00
18,901.700 LINK
0.0405%
79
HashKey Exchange
LINK-USD$25.19
0.0072902 Eth
$454,211.00
18,602.550 LINK
0.0399%
80
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$25.12
0.0072804 Eth
$430,107.00
17,607.057 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0377%
81
Slex
LINK-ETH$25.07
0.0072740 Eth
$422,109.00
17,244.170 LINK
0.0370%
82
Bitkub
LINK-THB$25.22
0.0073149 Eth
$420,755.00
16,686.157 LINK
0.0358%
83
LATOKEN
LINK-BTC$25.21
0.0073139 Eth
$414,159.00
16,426.940 LINK
0.0352%
84
BitDelta
LINK-USDT$24.69
0.0071439 Eth
$363,714.00
14,961.000 LINK
0.0321%
85
Coinone
LINK-KRW$25.86
0.0074965 Eth
$363,488.00
14,055.495 LINK
0.0301%
86
OKX
LINK-USDC$25.24
0.0073157 Eth
$351,178.00
14,401.321 LINK
0.0309%
87
PointPay
LINK-BTC$25.15
0.0072853 Eth
$306,963.00
12,276.089 LINK
0.0263%
88
BitMart
LINK-ETH$25.09
0.0072765 Eth
$290,875.00
11,591.540 LINK
0.0248%
89
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$25.12
0.0072824 Eth
$290,600.00
11,817.136 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0253%
90
Binance US
LINK-USDT$25.03
0.0072489 Eth
$288,829.00
11,541.137 LINK
0.0247%
91
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$25.16
0.0072975 Eth
$277,040.00
11,176.733 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0240%
92
Bitso
LINK-USD$25.30
0.0072905 Eth
$240,476.00
9,506.106 LINK
0.0204%
93
BitStorage
LINK-ETH$25.09
0.0072675 Eth
$220,443.00
8,786.370 LINK
0.0188%
94
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.12
0.0072875 Eth
$219,923.00
8,942.181 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0192%
95
KuCoin
LINK-BTC$25.20
0.0073096 Eth
$219,654.00
8,717.306 LINK
0.0187%
96
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$25.14
0.0072917 Eth
$217,277.00
211,493.272 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.4532%
97
Uniswap V2 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$25.04
0.0072633 Eth
$181,447.00
7,410.634 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0159%
98
Foxbit
LINK-BRL$25.13
0.0072878 Eth
$179,363.00
7,263.172 LINK
0.0156%
99
Kraken
LINK-GBP$25.20
0.0073071 Eth
$177,530.00
7,045.113 LINK
0.0151%
100
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$25.02
0.0072585 Eth
$131,275.00
5,247.605 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0112%

Contract Source Code Verified (Exact Match)

Contract Name:
LinkToken

Compiler Version
v0.4.16+commit.d7661dd9

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Audited

Contract Source Code (Solidity)Audit Report

/**
 *Submitted for verification at Etherscan.io on 2017-09-23
*/

pragma solidity ^0.4.16;


/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal constant returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  function sub(uint256 a, uint256 b) internal constant returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}


/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  uint256 public totalSupply;
  function balanceOf(address who) constant returns (uint256);
  function transfer(address to, uint256 value) returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) constant returns (uint256);
  function transferFrom(address from, address to, uint256 value) returns (bool);
  function approve(address spender, uint256 value) returns (bool);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

contract ERC677 is ERC20 {
  function transferAndCall(address to, uint value, bytes data) returns (bool success);

  event Transfer(address indexed from, address indexed to, uint value, bytes data);
}

contract ERC677Receiver {
  function onTokenTransfer(address _sender, uint _value, bytes _data);
}

/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of. 
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) constant returns (uint256 balance) {
    return balances[_owner];
  }

}


/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // require (_value <= _allowance);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) returns (bool) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Function to check the amount of tokens that an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint256 specifying the amount of tokens still available for the spender.
   */
  function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
    return allowed[_owner][_spender];
  }
  
    /*
   * approve should be called when allowed[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until 
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   */
  function increaseApproval (address _spender, uint _addedValue) 
    returns (bool success) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  function decreaseApproval (address _spender, uint _subtractedValue) 
    returns (bool success) {
    uint oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

contract ERC677Token is ERC677 {

  /**
  * @dev transfer token to a contract address with additional data if the recipient is a contact.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  * @param _data The extra data to be passed to the receiving contract.
  */
  function transferAndCall(address _to, uint _value, bytes _data)
    public
    returns (bool success)
  {
    super.transfer(_to, _value);
    Transfer(msg.sender, _to, _value, _data);
    if (isContract(_to)) {
      contractFallback(_to, _value, _data);
    }
    return true;
  }


  // PRIVATE

  function contractFallback(address _to, uint _value, bytes _data)
    private
  {
    ERC677Receiver receiver = ERC677Receiver(_to);
    receiver.onTokenTransfer(msg.sender, _value, _data);
  }

  function isContract(address _addr)
    private
    returns (bool hasCode)
  {
    uint length;
    assembly { length := extcodesize(_addr) }
    return length > 0;
  }

}

contract LinkToken is StandardToken, ERC677Token {

  uint public constant totalSupply = 10**27;
  string public constant name = 'ChainLink Token';
  uint8 public constant decimals = 18;
  string public constant symbol = 'LINK';

  function LinkToken()
    public
  {
    balances[msg.sender] = totalSupply;
  }

  /**
  * @dev transfer token to a specified address with additional data if the recipient is a contract.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  * @param _data The extra data to be passed to the receiving contract.
  */
  function transferAndCall(address _to, uint _value, bytes _data)
    public
    validRecipient(_to)
    returns (bool success)
  {
    return super.transferAndCall(_to, _value, _data);
  }

  /**
  * @dev transfer token to a specified address.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint _value)
    public
    validRecipient(_to)
    returns (bool success)
  {
    return super.transfer(_to, _value);
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value)
    public
    validRecipient(_spender)
    returns (bool)
  {
    return super.approve(_spender,  _value);
  }

  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value)
    public
    validRecipient(_to)
    returns (bool)
  {
    return super.transferFrom(_from, _to, _value);
  }


  // MODIFIERS

  modifier validRecipient(address _recipient) {
    require(_recipient != address(0) && _recipient != address(this));
    _;
  }

}

Contract Security Audit

Contract ABI

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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