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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
731,746 ( -0.027%)
Market
Price
$23.19 @ 0.007417 ETH (-5.62%)
Onchain Market Cap
$23,190,000,000.00
Circulating Supply Market Cap
$14,811,186,139.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
116.50215182 LINKValue
$2,701.68 ( ~0.864143623393419 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $23.15 0.0074247 Eth | $92,675,438.00 3,948,010.410 LINK | 20.0837% |
2 | Coinbase Exchange | LINK-USD | $23.15 0.0074178 Eth | $52,384,738.00 2,262,839.650 LINK | 11.5112% |
3 | Bybit | LINK-USDT | $23.17 0.0074197 Eth | $36,147,306.00 1,546,528.183 LINK | 7.8673% |
4 | Slex | LINK-USDT | $23.17 0.0074205 Eth | $22,371,191.00 951,531.950 LINK | 4.8405% |
5 | P2B | LINK-USDT | $23.11 0.0074122 Eth | $18,644,310.00 806,683.820 LINK | 4.1036% |
6 | OKX | LINK-USDT | $23.18 0.0074235 Eth | $13,397,400.00 570,752.906 LINK | 2.9034% |
7 | HTX | LINK-USDT | $23.16 0.0074175 Eth | $13,097,691.00 556,953.146 LINK | 2.8332% |
8 | Gate.io | LINK-USDT | $23.17 0.0074234 Eth | $12,037,664.00 514,634.780 LINK | 2.6180% |
9 | DigiFinex | LINK-USDT | $23.19 0.0074271 Eth | $11,709,567.00 504,833.830 LINK | 2.5681% |
10 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.09 0.0073926 Eth | $10,927,256.00 469,856.211 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.3902% |
11 | XT.COM | LINK-USDT | $23.17 0.0074276 Eth | $9,255,976.00 394,221.420 LINK | 2.0054% |
12 | Azbit | LINK-USDT | $23.16 0.0074243 Eth | $9,141,811.00 389,398.688 LINK | 1.9809% |
13 | Kraken | LINK-USD | $23.15 0.0074148 Eth | $9,088,308.00 392,525.531 LINK | 1.9968% |
14 | MEXC | LINK-USDT | $23.13 0.0074193 Eth | $8,939,839.00 386,454.650 LINK | 1.9659% |
15 | Coinstore | LINK-USDT | $23.15 0.0074220 Eth | $8,371,194.00 356,891.140 LINK | 1.8155% |
16 | KuCoin | LINK-USDT | $23.15 0.0074139 Eth | $8,195,599.00 354,014.854 LINK | 1.8009% |
17 | Binance | LINK-FDUSD | $23.12 0.0074044 Eth | $7,863,801.00 335,709.310 LINK | 1.7078% |
18 | Bitunix | LINK-USDT | $23.15 0.0074240 Eth | $7,145,611.00 308,759.430 LINK | 1.5707% |
19 | Binance | LINK-USDC | $23.14 0.0074210 Eth | $6,622,935.00 282,569.200 LINK | 1.4374% |
20 | CoinW | LINK-USDT | $23.14 0.0074200 Eth | $6,160,832.00 266,280.230 LINK | 1.3546% |
21 | BTSE | LINK-USDT | $23.17 0.0074298 Eth | $5,801,622.00 250,359.144 LINK | 1.2736% |
22 | BYDFi | LINK-USDT | $23.20 0.0074212 Eth | $5,166,976.00 222,739.380 LINK | 1.1331% |
23 | Hotcoin | LINK-USDT | $23.15 0.0074189 Eth | $4,934,647.00 213,125.510 LINK | 1.0842% |
24 | Coinbase Exchange | LINK-EUR | $23.13 0.0074168 Eth | $4,644,378.00 200,829.930 LINK | 1.0216% |
25 | LATOKEN | LINK-USDT | $23.16 0.0074261 Eth | $4,602,483.00 198,709.045 LINK | 1.0108% |
26 | Bitvavo | LINK-EUR | $23.18 0.0074350 Eth | $3,941,416.00 170,010.848 LINK | 0.8649% |
27 | QMall | LINK-USDT | $23.13 0.0074165 Eth | $3,823,758.00 162,919.445 LINK | 0.8288% |
28 | FMCPAY | LINK-USDT | $23.16 0.0074166 Eth | $3,701,748.00 158,182.594 LINK | 0.8047% |
29 | Dex-Trade | LINK-USDT | $23.19 0.0074176 Eth | $2,964,641.00 127,845.270 LINK | 0.6504% |
30 | CoinEx | LINK-USDT | $23.15 0.0074259 Eth | $2,208,490.00 94,116.844 LINK | 0.4788% |
31 | Biconomy.com | LINK-USDT | $23.16 0.0074119 Eth | $2,142,424.00 91,159.850 LINK | 0.4637% |
32 | Coinbase Exchange | LINK-USDT | $23.18 0.0074304 Eth | $2,102,737.00 90,732.661 LINK | 0.4616% |
33 | Coinbase Exchange | LINK-GBP | $23.13 0.0074177 Eth | $1,943,370.00 84,024.100 LINK | 0.4274% |
34 | FMCPAY | LINK-ETH | $23.11 0.0074000 Eth | $1,578,647.00 67,871.680 LINK | 0.3453% |
35 | FMCPAY | LINK-BTC | $23.15 0.0074256 Eth | $1,547,839.00 66,004.800 LINK | 0.3358% |
36 | PointPay | LINK-USDT | $23.14 0.0074224 Eth | $1,512,558.00 64,485.267 LINK | 0.3280% |
37 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.00 0.0073738 Eth | $1,303,908.00 56,359.332 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2867% |
38 | Phemex | LINK-USDT | $23.10 0.0074104 Eth | $1,274,768.00 55,174.350 LINK | 0.2807% |
39 | WhiteBIT | LINK-TRY | $23.19 0.0074177 Eth | $1,243,676.00 53,637.960 LINK | 0.2729% |
40 | tanX | LINK-USDC | $23.18 0.0074227 Eth | $1,096,790.00 46,537.440 LINK | 0.2367% |
41 | EXMO | LINK-USDT | $23.19 0.0074256 Eth | $981,061.00 42,310.756 LINK | 0.2152% |
42 | WhiteBIT | LINK-BTC | $23.20 0.0074248 Eth | $976,643.00 42,092.590 LINK | 0.2141% |
43 | Gemini | LINK-USD | $23.18 0.0074224 Eth | $901,963.00 38,910.912 LINK | 0.1979% |
44 | Binance | LINK-TRY | $23.19 0.0074321 Eth | $815,447.00 34,558.100 LINK | 0.1758% |
45 | Trubit | LINK-USDT | $23.16 0.0074130 Eth | $773,638.00 33,032.200 LINK | 0.1680% |
46 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.21 0.0074408 Eth | $758,696.00 32,751.890 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1666% |
47 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.14 0.0074115 Eth | $736,144.00 31,762.418 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1616% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.26 0.0074483 Eth | $710,483.00 30,486.231 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1551% |
49 | Bybit | LINK-USDC | $23.11 0.0074014 Eth | $706,180.00 30,193.200 LINK | 0.1536% |
50 | BigONE | LINK-USDT | $23.09 0.0074046 Eth | $674,447.00 29,213.990 LINK | 0.1486% |
51 | Binance | LINK-EUR | $23.21 0.0074248 Eth | $669,238.00 28,224.860 LINK | 0.1436% |
52 | Coinbase Exchange | LINK-BTC | $23.16 0.0074250 Eth | $665,730.00 28,742.960 LINK | 0.1462% |
53 | Bitbank | LINK-JPY | $23.27 0.0074506 Eth | $658,818.00 28,317.909 LINK | 0.1441% |
54 | EarnBIT | LINK-USDT | $23.13 0.0074166 Eth | $642,643.00 27,402.359 LINK | 0.1394% |
55 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.22 0.0074348 Eth | $603,445.00 25,559.036 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1300% |
56 | WhiteBIT | LINK-EUR | $23.20 0.0074424 Eth | $566,177.00 24,399.750 LINK | 0.1241% |
57 | OKX | LINK-USDC | $23.16 0.0074169 Eth | $539,355.00 22,942.475 LINK | 0.1167% |
58 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.14 0.0074105 Eth | $534,320.00 22,954.755 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1168% |
59 | QMall | LINK-USDC | $23.12 0.0074156 Eth | $529,739.00 22,586.924 LINK | 0.1149% |
60 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.10 0.0073962 Eth | $516,698.00 45,579.651 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2319% |
61 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.10 0.0074062 Eth | $423,441.00 18,162.287 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0924% |
62 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.11 0.0074006 Eth | $420,859.00 427,262.332 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.1735% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.17 0.0074187 Eth | $400,773.00 17,212.043 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0876% |
64 | GMO Japan | LINK-JPY | $23.20 0.0074304 Eth | $391,790.00 16,886.100 LINK | 0.0859% |
65 | HashKey Exchange | LINK-USD | $23.16 0.0074272 Eth | $381,752.00 16,157.815 LINK | 0.0822% |
66 | itBit | LINK-USD | $23.17 0.0074242 Eth | $375,872.00 16,222.345 LINK | 0.0825% |
67 | Slex | LINK-ETH | $23.11 0.0074010 Eth | $374,509.00 16,091.130 LINK | 0.0819% |
68 | Tokpie | LINK-USDT | $23.28 0.0074655 Eth | $372,094.00 15,984.520 LINK | 0.0813% |
69 | ProBit Global | LINK-BTC | $23.18 0.0074328 Eth | $333,113.00 14,373.457 LINK | 0.0731% |
70 | LATOKEN | LINK-BTC | $23.15 0.0074221 Eth | $319,357.00 13,795.596 LINK | 0.0702% |
71 | Coinbase Exchange | LINK-ETH | $23.12 0.0074053 Eth | $317,831.00 13,744.830 LINK | 0.0699% |
72 | BitDelta | LINK-USDT | $23.14 0.0074224 Eth | $297,217.00 12,633.000 LINK | 0.0643% |
73 | BitMart | LINK-BTC | $23.15 0.0074124 Eth | $269,912.00 11,660.060 LINK | 0.0593% |
74 | Bitso | LINK-USD | $23.16 0.0074158 Eth | $234,504.00 10,127.023 LINK | 0.0515% |
75 | Bitci TR | LINK-TRY | $23.14 0.0074013 Eth | $233,780.00 9,915.614 LINK | 0.0504% |
76 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.16 0.0074215 Eth | $201,325.00 8,776.772 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0446% |
77 | Hotcoin | LINK-BTC | $23.15 0.0074190 Eth | $180,920.00 7,813.840 LINK | 0.0397% |
78 | CoinTR | LINK-TRY | $23.19 0.0074383 Eth | $169,917.00 7,210.040 LINK | 0.0367% |
79 | BitStorage | LINK-ETH | $23.11 0.0074089 Eth | $161,491.00 6,988.880 LINK | 0.0356% |
80 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.10 0.0074103 Eth | $158,644.00 6,739.413 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0343% |
81 | BYDFi | LINK-USDC | $23.12 0.0074030 Eth | $153,810.00 6,652.950 LINK | 0.0338% |
82 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.12 0.0074026 Eth | $151,498.00 6,464.229 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0329% |
83 | KuCoin | LINK-USDC | $23.12 0.0074030 Eth | $136,630.00 5,910.528 LINK | 0.0301% |
84 | OKX | LINK-EUR | $23.15 0.0074133 Eth | $135,086.00 5,724.569 LINK | 0.0291% |
85 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.00 0.0073738 Eth | $128,594.00 129,702.798 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6598% |
86 | PointPay | LINK-BTC | $23.16 0.0074131 Eth | $124,280.00 5,323.915 LINK | 0.0271% |
87 | Kanga | LINK-PLN | $23.28 0.0074651 Eth | $118,634.00 0.000 LINK | 0.0000% |
88 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.10 0.0074038 Eth | $97,655.00 99,434.661 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5058% |
89 | Bitkub | LINK-THB | $23.17 0.0074311 Eth | $90,883.00 3,922.318 LINK | 0.0200% |
90 | BitMart | LINK-ETH | $23.12 0.0074030 Eth | $86,452.00 3,739.420 LINK | 0.0190% |
91 | Binance US | LINK-USDT | $23.13 0.0074079 Eth | $83,019.00 3,588.974 LINK | 0.0183% |
92 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.08 0.0073951 Eth | $74,106.00 3,081.012 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0157% |
93 | Mercado Bitcoin | LINK-BRL | $23.16 0.0074241 Eth | $73,556.00 3,176.173 LINK | 0.0162% |
94 | BTCMarkets | LINK-AUD | $23.36 0.0074914 Eth | $62,075.00 2,656.846 LINK | 0.0135% |
95 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.11 0.0074065 Eth | $59,922.00 2,538.684 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0129% |
96 | Hotcoin | LINK-ETH | $23.16 0.0074214 Eth | $55,958.00 2,415.950 LINK | 0.0123% |
97 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.18 0.0074315 Eth | $51,879.00 4,546.059 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0231% |
98 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.08 0.0074018 Eth | $51,655.00 2,222.475 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0113% |
99 | OKX | LINK-USD | $23.19 0.0074249 Eth | $39,012.00 1,649.560 LINK | 0.0084% |
100 | Dex-Trade | LINK-ETH | $23.26 0.0074268 Eth | $22,382.00 962.100 LINK | 0.0049% |
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
- Callisto Network - April 14th, 2019 - Security Audit Report
[{"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"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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