ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,367 ( -0.001%)
Market
Price
$20.01 @ 0.007118 ETH (-1.71%)
Onchain Market Cap
$20,010,000,000.00
Circulating Supply Market Cap
$12,768,893,910.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $20.06 0.0071211 Eth | $172,164,434.00 8,581,425.450 LINK | 25.6454% |
2 | Coinbase Exchange | LINK-USD | $19.93 0.0070777 Eth | $63,782,121.00 3,200,307.130 LINK | 9.5640% |
3 | Bybit | LINK-USDT | $19.94 0.0070939 Eth | $57,237,990.00 2,852,606.001 LINK | 8.5249% |
4 | Gate.io | LINK-USDT | $19.91 0.0070819 Eth | $21,719,733.00 1,080,486.060 LINK | 3.2290% |
5 | DigiFinex | LINK-USDT | $19.93 0.0070894 Eth | $20,279,437.00 1,017,546.790 LINK | 3.0409% |
6 | HTX | LINK-USDT | $19.92 0.0070865 Eth | $18,397,910.00 918,834.800 LINK | 2.7459% |
7 | P2B | LINK-USDT | $19.85 0.0070617 Eth | $18,132,080.00 913,275.050 LINK | 2.7293% |
8 | XT.COM | LINK-USDT | $19.99 0.0070901 Eth | $17,052,847.00 850,470.420 LINK | 2.5416% |
9 | Azbit | LINK-USDT | $20.02 0.0071021 Eth | $16,876,202.00 841,739.785 LINK | 2.5155% |
10 | MEXC | LINK-USDT | $19.92 0.0070664 Eth | $16,713,380.00 839,027.630 LINK | 2.5074% |
11 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.96 0.0070957 Eth | $16,427,420.00 799,389.982 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.3890% |
12 | OKX | LINK-USDT | $19.91 0.0070805 Eth | $15,957,478.00 797,546.698 LINK | 2.3834% |
13 | Coinstore | LINK-USDT | $19.90 0.0070727 Eth | $13,757,085.00 687,054.550 LINK | 2.0532% |
14 | Bitunix | LINK-USDT | $19.92 0.0070848 Eth | $12,442,636.00 624,508.430 LINK | 1.8663% |
15 | CoinW | LINK-USDT | $19.95 0.0070960 Eth | $11,496,204.00 576,304.180 LINK | 1.7223% |
16 | KuCoin | LINK-USDT | $19.92 0.0070801 Eth | $10,839,839.00 544,205.359 LINK | 1.6263% |
17 | Binance | LINK-USDC | $20.04 0.0071103 Eth | $10,726,885.00 534,219.210 LINK | 1.5965% |
18 | BYDFi | LINK-USDT | $19.92 0.0070663 Eth | $9,509,978.00 477,417.560 LINK | 1.4268% |
19 | LATOKEN | LINK-USDT | $19.92 0.0070812 Eth | $8,725,276.00 437,977.309 LINK | 1.3089% |
20 | Binance | LINK-FDUSD | $19.98 0.0070951 Eth | $8,432,927.00 420,688.590 LINK | 1.2572% |
21 | LBank | LINK-USDT | $19.93 0.0070908 Eth | $8,307,109.00 416,736.220 LINK | 1.2454% |
22 | BTSE | LINK-USDT | $19.92 0.0070846 Eth | $8,044,476.00 403,917.354 LINK | 1.2071% |
23 | Bitget | LINK-USDT | $19.94 0.0070944 Eth | $8,043,376.00 400,403.118 LINK | 1.1966% |
24 | Hotcoin | LINK-USDT | $19.93 0.0070901 Eth | $7,721,264.00 387,343.660 LINK | 1.1576% |
25 | Kraken | LINK-USD | $19.94 0.0070934 Eth | $6,501,182.00 325,987.534 LINK | 0.9742% |
26 | QMall | LINK-USDT | $20.05 0.0071108 Eth | $6,500,018.00 324,837.555 LINK | 0.9708% |
27 | Bitvavo | LINK-EUR | $19.96 0.0071003 Eth | $5,610,886.00 281,103.319 LINK | 0.8401% |
28 | Coinbase Exchange | LINK-EUR | $20.06 0.0071169 Eth | $5,557,357.00 277,078.920 LINK | 0.8280% |
29 | Dex-Trade | LINK-USDT | $20.01 0.0070954 Eth | $5,248,966.00 262,376.380 LINK | 0.7841% |
30 | ProBit Global | LINK-USDT | $20.06 0.0071157 Eth | $3,071,940.00 153,118.530 LINK | 0.4576% |
31 | FMCPAY | LINK-USDT | $20.01 0.0071031 Eth | $2,642,488.00 131,687.830 LINK | 0.3935% |
32 | PointPay | LINK-USDT | $19.94 0.0070734 Eth | $2,548,547.00 127,442.117 LINK | 0.3809% |
33 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.99 0.0070992 Eth | $2,130,155.00 103,996.915 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3108% |
34 | CoinEx | LINK-USDT | $20.03 0.0071061 Eth | $2,084,834.00 103,884.992 LINK | 0.3105% |
35 | Biconomy.com | LINK-USDT | $20.01 0.0071010 Eth | $2,028,618.00 101,317.510 LINK | 0.3028% |
36 | Coinbase Exchange | LINK-GBP | $19.94 0.0070912 Eth | $1,996,625.00 100,146.970 LINK | 0.2993% |
37 | Phemex | LINK-USDT | $20.00 0.0070955 Eth | $1,783,388.00 89,184.070 LINK | 0.2665% |
38 | EXMO | LINK-USDT | $19.94 0.0070724 Eth | $1,639,841.00 82,252.233 LINK | 0.2458% |
39 | Binance | LINK-ETH | $19.97 0.0071036 Eth | $1,534,475.00 74,799.510 LINK | 0.2235% |
40 | FMCPAY | LINK-ETH | $20.00 0.0070920 Eth | $1,450,589.00 70,942.880 LINK | 0.2120% |
41 | Coinbase Exchange | LINK-USDT | $20.00 0.0070969 Eth | $1,438,157.00 71,905.149 LINK | 0.2149% |
42 | BitStorage | LINK-USDT | $20.03 0.0071061 Eth | $1,345,694.00 67,191.010 LINK | 0.2008% |
43 | FMCPAY | LINK-BTC | $19.94 0.0070750 Eth | $1,189,072.00 59,184.100 LINK | 0.1769% |
44 | Binance | LINK-TRY | $19.95 0.0070971 Eth | $1,084,307.00 53,830.800 LINK | 0.1609% |
45 | Bitbank | LINK-JPY | $20.11 0.0071320 Eth | $1,063,496.00 52,887.645 LINK | 0.1581% |
46 | BigONE | LINK-USDT | $19.94 0.0070889 Eth | $1,028,326.00 51,562.380 LINK | 0.1541% |
47 | tanX | LINK-USDC | $20.01 0.0070981 Eth | $834,263.00 41,676.180 LINK | 0.1245% |
48 | Trubit | LINK-USDT | $19.99 0.0070898 Eth | $818,609.00 40,868.280 LINK | 0.1221% |
49 | ProBit Global | LINK-BTC | $19.94 0.0070889 Eth | $807,995.00 40,514.161 LINK | 0.1211% |
50 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.05 0.0071275 Eth | $802,872.00 39,159.711 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1170% |
51 | QMall | LINK-USDC | $19.96 0.0070824 Eth | $778,887.00 38,875.533 LINK | 0.1162% |
52 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.06 0.0071343 Eth | $763,038.00 37,874.986 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1132% |
53 | Binance | LINK-EUR | $19.94 0.0070744 Eth | $740,034.00 36,867.670 LINK | 0.1102% |
54 | EarnBIT | LINK-USDT | $20.00 0.0070921 Eth | $722,722.00 36,140.664 LINK | 0.1080% |
55 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.93 0.0070831 Eth | $687,313.00 695,409.282 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.0782% |
56 | Bybit | LINK-USDC | $19.96 0.0070989 Eth | $658,928.00 32,765.730 LINK | 0.0979% |
57 | Gemini | LINK-USD | $19.93 0.0070879 Eth | $655,602.00 32,902.887 LINK | 0.0983% |
58 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.94 0.0070800 Eth | $616,079.00 30,628.028 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0915% |
59 | LATOKEN | LINK-BTC | $19.93 0.0070716 Eth | $555,427.00 27,862.521 LINK | 0.0833% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.03 0.0071197 Eth | $538,497.00 26,203.475 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0783% |
61 | OKX | LINK-USDC | $19.92 0.0070848 Eth | $528,254.00 26,404.276 LINK | 0.0789% |
62 | WhiteBIT | LINK-TRY | $20.10 0.0071291 Eth | $507,368.00 25,244.390 LINK | 0.0754% |
63 | Tokpie | LINK-USDT | $19.89 0.0070585 Eth | $467,646.00 23,505.814 LINK | 0.0702% |
64 | itBit | LINK-USD | $20.00 0.0070943 Eth | $453,496.00 22,674.808 LINK | 0.0678% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.99 0.0071042 Eth | $435,279.00 21,155.087 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0632% |
66 | XT.COM | LINK-ETH | $19.98 0.0071059 Eth | $429,628.00 20,942.990 LINK | 0.0626% |
67 | GMO Japan | LINK-JPY | $20.06 0.0071145 Eth | $401,135.00 19,997.400 LINK | 0.0598% |
68 | BitDelta | LINK-USDT | $20.01 0.0071005 Eth | $397,569.00 19,761.000 LINK | 0.0591% |
69 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.03 0.0071069 Eth | $373,001.00 18,211.387 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0544% |
70 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.98 0.0070972 Eth | $350,562.00 17,136.400 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0512% |
71 | Slex | LINK-ETH | $19.98 0.0070937 Eth | $330,943.00 16,213.800 LINK | 0.0485% |
72 | Bitkub | LINK-THB | $20.03 0.0071035 Eth | $318,792.00 15,918.999 LINK | 0.0476% |
73 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.96 0.0070908 Eth | $315,791.00 15,714.888 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0470% |
74 | Hotcoin | LINK-BTC | $19.97 0.0071086 Eth | $307,567.00 15,399.070 LINK | 0.0460% |
75 | BitStorage | LINK-ETH | $20.02 0.0071020 Eth | $294,642.00 14,720.170 LINK | 0.0440% |
76 | Binance | LINK-BNB | $20.04 0.0071314 Eth | $284,111.00 13,998.489 LINK | 0.0418% |
77 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $19.95 0.0070900 Eth | $266,312.00 13,223.422 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0395% |
78 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.96 0.0070957 Eth | $239,652.00 11,947.527 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0357% |
79 | Bitso | LINK-USD | $19.95 0.0070847 Eth | $224,113.00 11,231.081 LINK | 0.0336% |
80 | Coinbase Exchange | LINK-BTC | $19.95 0.0070946 Eth | $217,795.00 10,918.980 LINK | 0.0326% |
81 | Coinbase Exchange | LINK-ETH | $19.98 0.0070880 Eth | $204,012.00 10,208.540 LINK | 0.0305% |
82 | KuCoin | LINK-USDC | $19.92 0.0070801 Eth | $191,250.00 9,601.571 LINK | 0.0287% |
83 | PointPay | LINK-BTC | $19.94 0.0070743 Eth | $189,049.00 9,407.947 LINK | 0.0281% |
84 | Bitci TR | LINK-TRY | $20.04 0.0071287 Eth | $188,924.00 9,412.580 LINK | 0.0281% |
85 | CoinTR | LINK-TRY | $20.01 0.0071023 Eth | $172,919.00 8,603.900 LINK | 0.0257% |
86 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $19.96 0.0070880 Eth | $152,485.00 7,587.794 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0227% |
87 | Mercado Bitcoin | LINK-BRL | $20.04 0.0071101 Eth | $151,907.00 7,579.047 LINK | 0.0226% |
88 | WhiteBIT | LINK-BTC | $19.98 0.0070858 Eth | $151,518.00 7,584.990 LINK | 0.0227% |
89 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.99 0.0070992 Eth | $132,739.00 133,782.156 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3998% |
90 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.04 0.0071172 Eth | $131,089.00 132,248.234 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3952% |
91 | WhiteBIT | LINK-EUR | $20.17 0.0071542 Eth | $122,229.00 6,060.730 LINK | 0.0181% |
92 | KuCoin | LINK-BTC | $19.90 0.0070735 Eth | $118,516.00 5,955.510 LINK | 0.0178% |
93 | CoinEx | LINK-USDC | $19.95 0.0070960 Eth | $111,368.00 5,423.851 LINK | 0.0162% |
94 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.01 0.0071136 Eth | $102,313.00 4,966.521 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0148% |
95 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $20.18 0.0071665 Eth | $85,045.00 4,220.303 0X5947BB275C521040051D82396192181B413227A3 | 0.0126% |
96 | Hotcoin | LINK-ETH | $20.03 0.0071057 Eth | $84,851.00 4,235.710 LINK | 0.0127% |
97 | Binance US | LINK-USDT | $20.02 0.0071076 Eth | $79,968.00 3,995.073 LINK | 0.0119% |
98 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.96 0.0070957 Eth | $71,919.00 3,594.129 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0107% |
99 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.98 0.0070854 Eth | $67,683.00 3,361.659 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0100% |
100 | Dex-Trade | LINK-ETH | $20.04 0.0071064 Eth | $36,868.00 1,840.050 LINK | 0.0055% |
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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