ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
731,745 ( -0.027%)
Market
Price
$23.19 @ 0.007433 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
0.00000067 LINKValue
$0.00 ( ~0 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 | 20.8680% |
2 | Coinbase Exchange | LINK-USD | $23.14 0.0074212 Eth | $52,262,136.00 2,258,616.890 LINK | 11.9384% |
3 | Bybit | LINK-USDT | $23.16 0.0074297 Eth | $36,098,673.00 1,544,292.831 LINK | 8.1627% |
4 | Slex | LINK-USDT | $23.14 0.0074228 Eth | $22,387,241.00 952,096.890 LINK | 5.0325% |
5 | OKX | LINK-USDT | $23.13 0.0074190 Eth | $13,435,550.00 572,299.324 LINK | 3.0250% |
6 | HTX | LINK-USDT | $23.11 0.0074128 Eth | $13,102,393.00 557,028.766 LINK | 2.9443% |
7 | Gate.io | LINK-USDT | $23.14 0.0074201 Eth | $12,043,181.00 514,851.280 LINK | 2.7214% |
8 | DigiFinex | LINK-USDT | $23.11 0.0074116 Eth | $11,676,278.00 505,284.690 LINK | 2.6708% |
9 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.08 0.0074023 Eth | $10,940,857.00 470,554.659 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.4872% |
10 | XT.COM | LINK-USDT | $23.16 0.0074238 Eth | $9,281,599.00 395,285.430 LINK | 2.0894% |
11 | Azbit | LINK-USDT | $23.14 0.0074188 Eth | $9,169,069.00 390,508.470 LINK | 2.0641% |
12 | Kraken | LINK-USD | $23.16 0.0074276 Eth | $9,099,806.00 392,917.067 LINK | 2.0768% |
13 | MEXC | LINK-USDT | $23.13 0.0074193 Eth | $8,939,839.00 386,454.650 LINK | 2.0427% |
14 | Coinstore | LINK-USDT | $23.17 0.0074244 Eth | $8,393,218.00 357,739.530 LINK | 1.8909% |
15 | KuCoin | LINK-USDT | $23.11 0.0074124 Eth | $8,177,464.00 353,814.483 LINK | 1.8702% |
16 | Binance | LINK-FDUSD | $23.07 0.0073978 Eth | $7,867,492.00 336,216.170 LINK | 1.7771% |
17 | Bitunix | LINK-USDT | $23.15 0.0074240 Eth | $7,145,611.00 308,759.430 LINK | 1.6320% |
18 | Binance | LINK-USDC | $23.14 0.0074210 Eth | $6,622,935.00 282,569.200 LINK | 1.4936% |
19 | CoinW | LINK-USDT | $23.16 0.0074235 Eth | $6,183,986.00 266,998.630 LINK | 1.4113% |
20 | BTSE | LINK-USDT | $23.14 0.0074176 Eth | $5,781,918.00 249,857.902 LINK | 1.3207% |
21 | BYDFi | LINK-USDT | $23.20 0.0074212 Eth | $5,166,976.00 222,739.380 LINK | 1.1773% |
22 | Hotcoin | LINK-USDT | $23.16 0.0074252 Eth | $4,951,891.00 213,790.980 LINK | 1.1300% |
23 | Coinbase Exchange | LINK-EUR | $23.13 0.0074168 Eth | $4,644,378.00 200,829.930 LINK | 1.0615% |
24 | LATOKEN | LINK-USDT | $23.15 0.0074196 Eth | $4,613,016.00 199,243.805 LINK | 1.0531% |
25 | Bitvavo | LINK-EUR | $23.20 0.0074352 Eth | $3,946,054.00 170,106.069 LINK | 0.8991% |
26 | QMall | LINK-USDT | $23.21 0.0074219 Eth | $3,798,610.00 161,836.171 LINK | 0.8554% |
27 | FMCPAY | LINK-USDT | $23.15 0.0074254 Eth | $3,738,506.00 159,634.594 LINK | 0.8438% |
28 | Dex-Trade | LINK-USDT | $23.19 0.0074176 Eth | $2,964,641.00 127,845.270 LINK | 0.6758% |
29 | CoinEx | LINK-USDT | $23.18 0.0074280 Eth | $2,224,197.00 94,758.816 LINK | 0.5009% |
30 | Biconomy.com | LINK-USDT | $23.16 0.0074119 Eth | $2,142,424.00 91,159.850 LINK | 0.4818% |
31 | Coinbase Exchange | LINK-USDT | $23.17 0.0074272 Eth | $2,102,030.00 90,718.888 LINK | 0.4795% |
32 | Coinbase Exchange | LINK-GBP | $23.13 0.0074177 Eth | $1,943,370.00 84,024.100 LINK | 0.4441% |
33 | FMCPAY | LINK-ETH | $23.14 0.0074219 Eth | $1,581,204.00 67,991.200 LINK | 0.3594% |
34 | FMCPAY | LINK-BTC | $23.15 0.0074256 Eth | $1,547,839.00 66,004.800 LINK | 0.3489% |
35 | PointPay | LINK-USDT | $23.14 0.0074224 Eth | $1,512,558.00 64,485.267 LINK | 0.3409% |
36 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.00 0.0073768 Eth | $1,319,976.00 57,026.568 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3014% |
37 | Phemex | LINK-USDT | $23.10 0.0074104 Eth | $1,274,768.00 55,174.350 LINK | 0.2916% |
38 | WhiteBIT | LINK-TRY | $23.19 0.0074177 Eth | $1,243,676.00 53,637.960 LINK | 0.2835% |
39 | Kraken | LINK-EUR | $23.15 0.0074234 Eth | $1,154,685.00 49,886.315 LINK | 0.2637% |
40 | tanX | LINK-USDC | $23.17 0.0074242 Eth | $1,098,227.00 46,601.320 LINK | 0.2463% |
41 | EXMO | LINK-USDT | $23.13 0.0074194 Eth | $981,751.00 42,437.591 LINK | 0.2243% |
42 | WhiteBIT | LINK-BTC | $23.20 0.0074248 Eth | $976,643.00 42,092.590 LINK | 0.2225% |
43 | Gemini | LINK-USD | $23.18 0.0074347 Eth | $902,663.00 38,941.131 LINK | 0.2058% |
44 | Binance | LINK-TRY | $23.19 0.0074321 Eth | $815,447.00 34,558.100 LINK | 0.1827% |
45 | Trubit | LINK-USDT | $23.16 0.0074130 Eth | $773,638.00 33,032.200 LINK | 0.1746% |
46 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.21 0.0074452 Eth | $758,789.00 32,751.890 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1731% |
47 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.16 0.0074273 Eth | $735,325.00 31,725.191 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1677% |
48 | Bybit | LINK-USDC | $23.15 0.0074249 Eth | $709,958.00 30,344.942 LINK | 0.1604% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.24 0.0074526 Eth | $709,862.00 30,486.231 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1611% |
50 | BigONE | LINK-USDT | $23.09 0.0074046 Eth | $674,447.00 29,213.990 LINK | 0.1544% |
51 | Binance | LINK-EUR | $23.21 0.0074248 Eth | $669,238.00 28,224.860 LINK | 0.1492% |
52 | Coinbase Exchange | LINK-BTC | $23.14 0.0074232 Eth | $663,472.00 28,665.950 LINK | 0.1515% |
53 | Bitbank | LINK-JPY | $23.27 0.0074639 Eth | $659,476.00 28,337.834 LINK | 0.1498% |
54 | EarnBIT | LINK-USDT | $23.13 0.0074166 Eth | $642,643.00 27,402.359 LINK | 0.1448% |
55 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.22 0.0074479 Eth | $607,324.00 25,713.911 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1359% |
56 | WhiteBIT | LINK-EUR | $23.20 0.0074424 Eth | $566,177.00 24,399.750 LINK | 0.1290% |
57 | OKX | LINK-USDC | $23.13 0.0074172 Eth | $539,455.00 22,952.374 LINK | 0.1213% |
58 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.00 0.0073760 Eth | $531,124.00 22,959.059 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1214% |
59 | QMall | LINK-USDC | $23.17 0.0074257 Eth | $529,429.00 22,578.602 LINK | 0.1193% |
60 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.14 0.0074211 Eth | $517,614.00 45,579.651 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2409% |
61 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.11 0.0074129 Eth | $423,627.00 18,162.287 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0960% |
62 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.15 0.0074252 Eth | $421,826.00 427,553.176 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2599% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.15 0.0074245 Eth | $401,564.00 17,259.025 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0912% |
64 | GMO Japan | LINK-JPY | $23.19 0.0074391 Eth | $392,018.00 16,901.300 LINK | 0.0893% |
65 | HashKey Exchange | LINK-USD | $23.16 0.0074272 Eth | $381,752.00 16,157.815 LINK | 0.0854% |
66 | itBit | LINK-USD | $23.17 0.0074305 Eth | $376,112.00 16,232.695 LINK | 0.0858% |
67 | Slex | LINK-ETH | $23.15 0.0074229 Eth | $376,012.00 16,158.270 LINK | 0.0854% |
68 | Tokpie | LINK-USDT | $23.21 0.0074202 Eth | $371,107.00 15,991.023 LINK | 0.0845% |
69 | ProBit Global | LINK-BTC | $23.18 0.0074328 Eth | $333,113.00 14,373.457 LINK | 0.0760% |
70 | LATOKEN | LINK-BTC | $23.16 0.0074232 Eth | $320,530.00 13,837.481 LINK | 0.0731% |
71 | Coinbase Exchange | LINK-ETH | $23.16 0.0074300 Eth | $317,188.00 13,693.090 LINK | 0.0724% |
72 | BitDelta | LINK-USDT | $23.14 0.0074224 Eth | $297,217.00 12,633.000 LINK | 0.0668% |
73 | BitMart | LINK-BTC | $23.14 0.0074219 Eth | $269,480.00 11,645.660 LINK | 0.0616% |
74 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.15 0.0074252 Eth | $236,693.00 10,079.247 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0533% |
75 | Bitso | LINK-USD | $23.16 0.0074268 Eth | $234,519.00 10,127.638 LINK | 0.0535% |
76 | Bitci TR | LINK-TRY | $23.14 0.0074013 Eth | $233,780.00 9,915.614 LINK | 0.0524% |
77 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.19 0.0074372 Eth | $201,540.00 8,776.752 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0464% |
78 | Hotcoin | LINK-BTC | $23.18 0.0074178 Eth | $182,770.00 7,883.500 LINK | 0.0417% |
79 | CoinTR | LINK-TRY | $23.19 0.0074383 Eth | $169,917.00 7,210.040 LINK | 0.0381% |
80 | BitStorage | LINK-ETH | $23.17 0.0074248 Eth | $162,218.00 7,001.950 LINK | 0.0370% |
81 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.10 0.0074103 Eth | $158,644.00 6,739.413 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0356% |
82 | BYDFi | LINK-USDC | $23.17 0.0074301 Eth | $154,465.00 6,667.010 LINK | 0.0352% |
83 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.12 0.0074137 Eth | $152,944.00 6,523.663 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0345% |
84 | KuCoin | LINK-USDC | $23.11 0.0074120 Eth | $136,600.00 5,910.644 LINK | 0.0312% |
85 | OKX | LINK-EUR | $23.15 0.0074240 Eth | $135,057.00 5,724.569 LINK | 0.0303% |
86 | Kraken | LINK-USDC | $23.15 0.0074238 Eth | $132,730.00 5,734.087 LINK | 0.0303% |
87 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.00 0.0073768 Eth | $128,623.00 129,702.798 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6856% |
88 | PointPay | LINK-BTC | $23.16 0.0074131 Eth | $124,280.00 5,323.915 LINK | 0.0281% |
89 | Kanga | LINK-PLN | $23.28 0.0074651 Eth | $118,634.00 0.000 LINK | 0.0000% |
90 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.10 0.0074090 Eth | $111,098.00 4,811.799 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0254% |
91 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.10 0.0074082 Eth | $97,574.00 99,354.138 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5252% |
92 | Bitkub | LINK-THB | $23.17 0.0074311 Eth | $90,883.00 3,922.318 LINK | 0.0207% |
93 | BitMart | LINK-ETH | $23.16 0.0074281 Eth | $86,688.00 3,743.100 LINK | 0.0198% |
94 | Binance US | LINK-USDT | $23.23 0.0074314 Eth | $84,490.00 3,636.474 LINK | 0.0192% |
95 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.08 0.0074002 Eth | $74,123.00 3,081.012 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0163% |
96 | Mercado Bitcoin | LINK-BRL | $23.16 0.0074279 Eth | $73,552.00 3,176.173 LINK | 0.0168% |
97 | Nonkyc.io | LINK-BTC | $23.26 0.0074583 Eth | $61,676.00 2,635.565 LINK | 0.0139% |
98 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.13 0.0074178 Eth | $60,470.00 2,559.858 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0135% |
99 | Hotcoin | LINK-ETH | $23.16 0.0074214 Eth | $55,958.00 2,415.950 LINK | 0.0128% |
100 | OKX | LINK-USD | $23.19 0.0074372 Eth | $39,012.00 1,649.560 LINK | 0.0087% |
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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