ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
727,758 ( 0.050%)
Market
Price
$22.51 @ 0.006805 ETH (-7.99%)
Onchain Market Cap
$22,510,000,000.00
Circulating Supply Market Cap
$14,252,383,652.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
1,097.82 LINKValue
$24,711.93 ( ~7.4706 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $22.48 0.0067832 Eth | $101,212,785.00 4,338,088.770 LINK | 21.9281% |
2 | WhiteBIT | LINK-USDT | $22.51 0.0067892 Eth | $37,774,382.00 1,677,789.110 LINK | 8.4809% |
3 | Coinbase Exchange | LINK-USD | $22.49 0.0067822 Eth | $35,667,020.00 1,585,835.230 LINK | 8.0160% |
4 | Bybit | LINK-USDT | $22.42 0.0067654 Eth | $27,969,020.00 1,193,664.834 LINK | 6.0337% |
5 | Slex | LINK-USDT | $22.60 0.0068146 Eth | $23,662,805.00 1,012,035.780 LINK | 5.1156% |
6 | P2B | LINK-USDT | $22.64 0.0068215 Eth | $20,010,686.00 883,980.730 LINK | 4.4683% |
7 | OKX | LINK-USDT | $22.42 0.0067690 Eth | $17,995,764.00 771,573.420 LINK | 3.9001% |
8 | DigiFinex | LINK-USDT | $22.42 0.0067657 Eth | $12,847,262.00 573,035.690 LINK | 2.8966% |
9 | HTX | LINK-USDT | $22.49 0.0067866 Eth | $11,292,954.00 484,042.412 LINK | 2.4467% |
10 | Azbit | LINK-USDT | $22.50 0.0067909 Eth | $10,051,793.00 430,684.372 LINK | 2.1770% |
11 | XT.COM | LINK-USDT | $22.50 0.0067907 Eth | $10,047,154.00 430,623.550 LINK | 2.1767% |
12 | Coinstore | LINK-USDT | $22.56 0.0068039 Eth | $8,753,944.00 374,937.800 LINK | 1.8952% |
13 | Bitunix | LINK-USDT | $22.50 0.0067902 Eth | $7,946,121.00 353,240.700 LINK | 1.7856% |
14 | BTSE | LINK-USDT | $22.49 0.0067871 Eth | $7,853,559.00 349,196.389 LINK | 1.7651% |
15 | Binance | LINK-FDUSD | $22.52 0.0067961 Eth | $7,688,925.00 328,181.780 LINK | 1.6589% |
16 | Kraken | LINK-USD | $22.49 0.0067871 Eth | $6,934,539.00 308,356.729 LINK | 1.5587% |
17 | Biconomy.com | LINK-USDT | $22.48 0.0067856 Eth | $6,870,145.00 293,878.754 LINK | 1.4855% |
18 | BYDFi | LINK-USDT | $22.51 0.0067893 Eth | $6,120,506.00 271,846.340 LINK | 1.3741% |
19 | KuCoin | LINK-USDT | $22.47 0.0067820 Eth | $5,646,668.00 251,278.397 LINK | 1.2702% |
20 | Hotcoin | LINK-USDT | $22.55 0.0067996 Eth | $5,086,346.00 225,512.310 LINK | 1.1399% |
21 | LATOKEN | LINK-USDT | $22.54 0.0067982 Eth | $4,910,119.00 217,847.324 LINK | 1.1012% |
22 | LBank | LINK-USDT | $22.63 0.0067994 Eth | $4,549,183.00 201,010.250 LINK | 1.0161% |
23 | QMall | LINK-USDT | $22.58 0.0068105 Eth | $4,145,523.00 177,616.483 LINK | 0.8978% |
24 | FMCPAY | LINK-USDT | $22.52 0.0067912 Eth | $3,611,390.00 154,537.690 LINK | 0.7812% |
25 | Dex-Trade | LINK-USDT | $22.67 0.0068199 Eth | $3,171,209.00 139,885.850 LINK | 0.7071% |
26 | Coinbase Exchange | LINK-GBP | $22.49 0.0067882 Eth | $2,560,165.00 113,846.770 LINK | 0.5755% |
27 | ProBit Global | LINK-USDT | $22.48 0.0067846 Eth | $2,495,443.00 111,031.272 LINK | 0.5612% |
28 | Bitvavo | LINK-EUR | $22.52 0.0067962 Eth | $2,456,013.00 109,064.496 LINK | 0.5513% |
29 | Dcoin | LINK-USDT | $22.42 0.0067675 Eth | $2,351,265.00 104,886.000 LINK | 0.5302% |
30 | CoinEx | LINK-USDT | $22.57 0.0067854 Eth | $2,223,727.00 95,624.407 LINK | 0.4834% |
31 | PointPay | LINK-USDT | $22.43 0.0067681 Eth | $1,639,552.00 70,373.324 LINK | 0.3557% |
32 | Bitbank | LINK-JPY | $22.55 0.0068077 Eth | $1,492,641.00 66,186.070 LINK | 0.3346% |
33 | FMCPAY | LINK-ETH | $22.62 0.0068179 Eth | $1,488,111.00 65,211.680 LINK | 0.3296% |
34 | FMCPAY | LINK-BTC | $22.52 0.0067909 Eth | $1,425,418.00 62,033.800 LINK | 0.3136% |
35 | EXMO | LINK-USDT | $22.52 0.0067975 Eth | $1,402,819.00 62,283.843 LINK | 0.3148% |
36 | Bitstamp | LINK-USD | $22.44 0.0067743 Eth | $1,344,277.00 59,905.404 LINK | 0.3028% |
37 | WhiteBIT | LINK-BTC | $22.65 0.0068169 Eth | $1,253,603.00 55,354.680 LINK | 0.2798% |
38 | WhiteBIT | LINK-TRY | $22.61 0.0068202 Eth | $1,193,024.00 52,771.590 LINK | 0.2667% |
39 | Phemex | LINK-USDT | $22.65 0.0068286 Eth | $1,153,914.00 50,940.860 LINK | 0.2575% |
40 | Bitstamp | LINK-EUR | $22.41 0.0067665 Eth | $1,070,769.00 47,771.927 LINK | 0.2415% |
41 | Coinbase Exchange | LINK-EUR | $22.51 0.0067938 Eth | $1,050,368.00 46,669.740 LINK | 0.2359% |
42 | tanX | LINK-USDC | $22.61 0.0068200 Eth | $1,017,384.00 43,347.050 LINK | 0.2191% |
43 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $22.67 0.0068393 Eth | $988,863.00 43,056.765 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2176% |
44 | Trubit | LINK-USDT | $22.48 0.0067831 Eth | $945,626.00 40,472.010 LINK | 0.2046% |
45 | Bybit | LINK-USDC | $22.44 0.0067715 Eth | $931,709.00 40,112.000 LINK | 0.2028% |
46 | EarnBIT | LINK-USDT | $22.51 0.0067900 Eth | $836,369.00 35,916.090 LINK | 0.1815% |
47 | BigONE | LINK-USDT | $22.59 0.0068117 Eth | $836,241.00 37,019.890 LINK | 0.1871% |
48 | itBit | LINK-USD | $22.45 0.0067773 Eth | $830,903.00 37,011.274 LINK | 0.1871% |
49 | BitStorage | LINK-USDT | $22.47 0.0067843 Eth | $804,259.00 35,786.270 LINK | 0.1809% |
50 | ProBit Global | LINK-BTC | $22.50 0.0067878 Eth | $676,887.00 30,083.851 LINK | 0.1521% |
51 | Binance | LINK-TRY | $22.58 0.0068139 Eth | $571,238.00 24,390.780 LINK | 0.1233% |
52 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $22.73 0.0068572 Eth | $537,767.00 23,194.252 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1172% |
53 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $22.53 0.0068025 Eth | $498,005.00 22,188.059 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1122% |
54 | Koinpark | LINK-USDT | $22.54 0.0067966 Eth | $496,956.00 22,043.198 LINK | 0.1114% |
55 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $22.81 0.0068831 Eth | $468,336.00 19,792.772 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1000% |
56 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $22.52 0.0067992 Eth | $465,723.00 20,409.758 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1032% |
57 | HashKey Exchange | LINK-USD | $22.68 0.0068288 Eth | $461,065.00 19,804.304 LINK | 0.1001% |
58 | Coinbase Exchange | LINK-USDT | $22.40 0.0067619 Eth | $445,363.00 19,877.883 LINK | 0.1005% |
59 | Slex | LINK-ETH | $22.52 0.0067953 Eth | $414,850.00 18,196.350 LINK | 0.0920% |
60 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $22.52 0.0067993 Eth | $397,012.00 415,023.021 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.0978% |
61 | GMO Japan | LINK-JPY | $22.79 0.0068719 Eth | $362,491.00 15,906.800 LINK | 0.0804% |
62 | BitMart | LINK-BTC | $22.48 0.0067829 Eth | $356,596.00 15,863.160 LINK | 0.0802% |
63 | WhiteBIT | LINK-EUR | $22.56 0.0068029 Eth | $343,918.00 15,244.920 LINK | 0.0771% |
64 | OKX | LINK-USDC | $22.42 0.0067682 Eth | $286,420.00 12,262.936 LINK | 0.0620% |
65 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $22.52 0.0067988 Eth | $281,458.00 292,077.881 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.4764% |
66 | BitDelta | LINK-USDT | $22.57 0.0068021 Eth | $277,260.00 11,835.000 LINK | 0.0598% |
67 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $22.47 0.0067842 Eth | $266,781.00 11,717.807 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0592% |
68 | Coinbase Exchange | LINK-BTC | $22.45 0.0067774 Eth | $263,211.00 11,724.180 LINK | 0.0593% |
69 | LATOKEN | LINK-BTC | $22.48 0.0067856 Eth | $256,488.00 11,410.113 LINK | 0.0577% |
70 | Gemini | LINK-USD | $22.42 0.0067670 Eth | $249,628.00 11,136.236 LINK | 0.0563% |
71 | Bitci TR | LINK-TRY | $22.63 0.0068284 Eth | $238,417.00 10,124.871 LINK | 0.0512% |
72 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $22.38 0.0067566 Eth | $212,747.00 9,115.311 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0461% |
73 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $22.54 0.0068036 Eth | $204,778.00 15,937.047 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0806% |
74 | PointPay | LINK-BTC | $22.56 0.0068014 Eth | $202,044.00 8,786.160 LINK | 0.0444% |
75 | Binance | LINK-BNB | $22.62 0.0068226 Eth | $184,022.00 7,964.651 LINK | 0.0403% |
76 | Hotcoin | LINK-BTC | $22.44 0.0067739 Eth | $178,188.00 7,941.050 LINK | 0.0401% |
77 | BitStorage | LINK-ETH | $22.54 0.0067983 Eth | $164,825.00 7,314.010 LINK | 0.0370% |
78 | BitMart | LINK-ETH | $22.51 0.0067913 Eth | $152,244.00 6,764.160 LINK | 0.0342% |
79 | BTCMarkets | LINK-AUD | $22.70 0.0068293 Eth | $142,289.00 6,267.242 LINK | 0.0317% |
80 | Binance US | LINK-USDT | $22.62 0.0068149 Eth | $139,027.00 6,145.793 LINK | 0.0311% |
81 | KuCoin | LINK-USDC | $22.49 0.0067887 Eth | $118,551.00 5,270.362 LINK | 0.0266% |
82 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $22.56 0.0068106 Eth | $114,314.00 5,008.473 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0253% |
83 | OKX | LINK-EUR | $22.41 0.0067656 Eth | $114,281.00 4,957.001 LINK | 0.0251% |
84 | Coinbase Exchange | LINK-ETH | $22.55 0.0068001 Eth | $104,463.00 4,633.390 LINK | 0.0234% |
85 | Kanga | LINK-PLN | $22.68 0.0068477 Eth | $100,725.00 0.000 LINK | 0.0000% |
86 | Bitso | LINK-USD | $22.42 0.0067684 Eth | $97,012.00 4,326.913 LINK | 0.0219% |
87 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $22.81 0.0068831 Eth | $82,223.00 84,643.606 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4279% |
88 | EXMO | LINK-BTC | $22.28 0.0067253 Eth | $80,114.00 3,595.175 LINK | 0.0182% |
89 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $22.68 0.0068448 Eth | $74,469.00 3,185.863 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0161% |
90 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $22.68 0.0068448 Eth | $69,772.00 3,095.133 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0156% |
91 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $22.55 0.0068030 Eth | $66,755.00 2,913.054 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0147% |
92 | Hotcoin | LINK-ETH | $22.50 0.0067890 Eth | $61,999.00 2,755.540 LINK | 0.0139% |
93 | Foxbit | LINK-BRL | $22.68 0.0068331 Eth | $61,780.00 2,579.114 LINK | 0.0130% |
94 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $22.51 0.0067942 Eth | $61,057.00 2,553.945 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0129% |
95 | Kraken | LINK-GBP | $22.51 0.0067922 Eth | $46,815.00 2,080.158 LINK | 0.0105% |
96 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $22.67 0.0068393 Eth | $43,764.00 1,895.783 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0096% |
97 | Mercado Bitcoin | LINK-BRL | $22.65 0.0068353 Eth | $41,652.00 1,838.704 LINK | 0.0093% |
98 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $22.58 0.0068162 Eth | $21,693.00 945.655 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0048% |
99 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $22.71 0.0068569 Eth | $15,586.28 687.701 0X5947BB275C521040051D82396192181B413227A3 | 0.0035% |
100 | Bitexen | LINK-TRY | $22.67 0.0068104 Eth | $8,852.92 390.544 LINK | 0.0020% |
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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