ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
726,071 ( -0.137%)
Market
Price
$23.02 @ 0.006902 ETH (+1.84%)
Onchain Market Cap
$23,020,000,000.00
Circulating Supply Market Cap
$14,530,331,363.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
2,100 LINKValue
$48,342.00 ( ~14.4944 Eth) [0.0002%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $23.01 0.0068864 Eth | $136,514,501.00 6,093,851.330 LINK | 20.5653% |
2 | WhiteBIT | LINK-USDT | $22.99 0.0068829 Eth | $64,041,948.00 2,785,627.380 LINK | 9.4008% |
3 | Coinbase Exchange | LINK-USD | $23.09 0.0069073 Eth | $59,883,495.00 2,593,144.890 LINK | 8.7512% |
4 | MEXC | LINK-USDT | $23.12 0.0069142 Eth | $37,264,100.00 1,612,031.320 LINK | 5.4402% |
5 | Bybit | LINK-USDT | $22.97 0.0068751 Eth | $33,054,522.00 1,476,856.747 LINK | 4.9840% |
6 | OKX | LINK-USDT | $23.01 0.0068891 Eth | $24,893,877.00 1,110,001.793 LINK | 3.7460% |
7 | Slex | LINK-USDT | $23.13 0.0069261 Eth | $22,792,796.00 1,020,400.090 LINK | 3.4436% |
8 | WEEX | LINK-USDT | $23.09 0.0069147 Eth | $19,387,264.00 867,564.450 LINK | 2.9278% |
9 | DigiFinex | LINK-USDT | $23.00 0.0068858 Eth | $18,481,339.00 803,411.150 LINK | 2.7113% |
10 | XT.COM | LINK-USDT | $23.02 0.0068997 Eth | $16,231,500.00 724,903.670 LINK | 2.4464% |
11 | BTSE | LINK-USDT | $23.22 0.0069299 Eth | $15,737,770.00 677,742.325 LINK | 2.2872% |
12 | FameEX | LINK-USDT | $23.01 0.0068889 Eth | $13,627,896.00 608,340.512 LINK | 2.0530% |
13 | Azbit | LINK-USDT | $23.04 0.0068976 Eth | $13,575,854.00 606,113.708 LINK | 2.0455% |
14 | HTX | LINK-USDT | $23.02 0.0068898 Eth | $12,668,516.00 567,460.995 LINK | 1.9150% |
15 | Coinstore | LINK-USDT | $23.01 0.0068870 Eth | $11,810,940.00 527,968.520 LINK | 1.7818% |
16 | Bitunix | LINK-USDT | $23.03 0.0068925 Eth | $11,771,353.00 511,150.020 LINK | 1.7250% |
17 | Binance | LINK-FDUSD | $22.93 0.0068628 Eth | $11,546,663.00 514,267.130 LINK | 1.7355% |
18 | BYDFi | LINK-USDT | $23.03 0.0069051 Eth | $7,939,273.00 344,733.710 LINK | 1.1634% |
19 | Kraken | LINK-USD | $23.01 0.0068886 Eth | $7,452,271.00 323,938.280 LINK | 1.0932% |
20 | Biconomy.com | LINK-USDT | $22.99 0.0068819 Eth | $7,347,746.00 328,301.590 LINK | 1.1079% |
21 | CoinW | LINK-USDT | $23.13 0.0069175 Eth | $7,181,029.00 310,498.410 LINK | 1.0479% |
22 | KuCoin | LINK-USDT | $22.97 0.0068776 Eth | $6,699,553.00 291,631.552 LINK | 0.9842% |
23 | LATOKEN | LINK-USDT | $23.11 0.0069201 Eth | $6,390,338.00 276,554.825 LINK | 0.9333% |
24 | Hotcoin | LINK-USDT | $23.21 0.0069329 Eth | $5,651,698.00 243,472.400 LINK | 0.8217% |
25 | QMall | LINK-USDT | $23.03 0.0069040 Eth | $5,647,877.00 252,232.906 LINK | 0.8512% |
26 | LBank | LINK-USDT | $23.03 0.0068866 Eth | $5,530,254.00 240,172.320 LINK | 0.8105% |
27 | Dex-Trade | LINK-USDT | $23.23 0.0069398 Eth | $4,688,113.00 201,790.390 LINK | 0.6810% |
28 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.06 0.0069014 Eth | $4,377,765.00 192,777.765 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.6506% |
29 | Coinbase Exchange | LINK-EUR | $22.97 0.0068758 Eth | $3,980,574.00 173,321.030 LINK | 0.5849% |
30 | Bitvavo | LINK-EUR | $23.21 0.0069237 Eth | $3,659,811.00 157,706.953 LINK | 0.5322% |
31 | FMCPAY | LINK-USDT | $23.00 0.0068950 Eth | $3,353,750.00 150,072.686 LINK | 0.5065% |
32 | Dcoin | LINK-USDT | $23.14 0.0069193 Eth | $3,246,696.00 140,325.000 LINK | 0.4736% |
33 | ProBit Global | LINK-USDT | $23.23 0.0069328 Eth | $2,507,580.00 107,943.619 LINK | 0.3643% |
34 | WhiteBIT | LINK-TRY | $23.06 0.0069053 Eth | $2,482,105.00 107,613.590 LINK | 0.3632% |
35 | CoinEx | LINK-USDT | $23.01 0.0068874 Eth | $2,386,394.00 106,655.817 LINK | 0.3599% |
36 | PointPay | LINK-USDT | $23.16 0.0069169 Eth | $2,264,873.00 101,133.435 LINK | 0.3413% |
37 | WhiteBIT | LINK-BTC | $23.03 0.0069007 Eth | $2,242,076.00 97,368.480 LINK | 0.3286% |
38 | FMCPAY | LINK-ETH | $23.11 0.0069123 Eth | $1,673,106.00 74,099.520 LINK | 0.2501% |
39 | EXMO | LINK-USDT | $23.02 0.0068912 Eth | $1,633,325.00 70,950.421 LINK | 0.2394% |
40 | FMCPAY | LINK-BTC | $23.10 0.0069104 Eth | $1,471,784.00 65,378.400 LINK | 0.2206% |
41 | Phemex | LINK-USDT | $23.06 0.0069141 Eth | $1,453,205.00 63,018.080 LINK | 0.2127% |
42 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.07 0.0069073 Eth | $1,341,080.00 59,197.149 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1998% |
43 | Kraken | LINK-EUR | $23.00 0.0068860 Eth | $1,320,809.00 57,434.468 LINK | 0.1938% |
44 | EarnBIT | LINK-USDT | $23.09 0.0069185 Eth | $1,195,927.00 53,306.986 LINK | 0.1799% |
45 | tanX | LINK-USDC | $23.02 0.0068919 Eth | $1,150,436.00 51,401.990 LINK | 0.1735% |
46 | Nonkyc.io | LINK-USDT | $23.19 0.0069414 Eth | $1,147,852.00 51,858.295 LINK | 0.1750% |
47 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.05 0.0068995 Eth | $1,122,472.00 48,689.094 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1643% |
48 | BitStorage | LINK-USDT | $22.98 0.0068819 Eth | $1,120,429.00 48,750.310 LINK | 0.1645% |
49 | Binance | LINK-TRY | $23.19 0.0069368 Eth | $1,112,555.00 49,271.130 LINK | 0.1663% |
50 | KuCoin | LINK-USDC | $23.00 0.0068845 Eth | $967,974.00 42,093.877 LINK | 0.1421% |
51 | BigONE | LINK-USDT | $23.29 0.0069581 Eth | $960,786.00 41,260.350 LINK | 0.1392% |
52 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.20 0.0069431 Eth | $931,855.00 64,504.106 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2177% |
53 | Binance | LINK-EUR | $23.00 0.0068858 Eth | $860,823.00 38,351.680 LINK | 0.1294% |
54 | Bybit | LINK-USDC | $22.99 0.0068826 Eth | $837,098.00 37,610.228 LINK | 0.1269% |
55 | WhiteBIT | LINK-EUR | $23.13 0.0069191 Eth | $804,228.00 34,765.770 LINK | 0.1173% |
56 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.01 0.0068871 Eth | $755,414.00 33,305.861 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1124% |
57 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.03 0.0068929 Eth | $721,569.00 32,097.332 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1083% |
58 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.07 0.0069046 Eth | $719,879.00 31,743.151 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1071% |
59 | Koinpark | LINK-USDT | $23.02 0.0068984 Eth | $713,571.00 31,001.947 LINK | 0.1046% |
60 | OKX | LINK-USDC | $23.01 0.0068890 Eth | $630,717.00 28,205.978 LINK | 0.0952% |
61 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.07 0.0069073 Eth | $622,606.00 602,328.377 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.0327% |
62 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $22.96 0.0068732 Eth | $618,642.00 27,752.265 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0937% |
63 | GMO Japan | LINK-JPY | $23.21 0.0069351 Eth | $566,300.00 24,398.500 LINK | 0.0823% |
64 | Gemini | LINK-USD | $23.03 0.0068974 Eth | $558,766.00 24,257.494 LINK | 0.0819% |
65 | Coinbase Exchange | LINK-USDT | $23.18 0.0069314 Eth | $551,518.00 23,796.896 LINK | 0.0803% |
66 | WEEX | LINK-USDC | $23.11 0.0069216 Eth | $501,332.00 21,693.333 LINK | 0.0732% |
67 | BitMart | LINK-BTC | $23.01 0.0068872 Eth | $437,005.00 18,994.280 LINK | 0.0641% |
68 | BitDelta | LINK-USDT | $23.13 0.0069177 Eth | $415,341.00 18,598.000 LINK | 0.0628% |
69 | Coinbase Exchange | LINK-ETH | $23.06 0.0069043 Eth | $407,999.00 17,689.700 LINK | 0.0597% |
70 | HashKey Exchange | LINK-USD | $23.10 0.0069086 Eth | $399,129.00 17,872.468 LINK | 0.0603% |
71 | Slex | LINK-ETH | $23.07 0.0068996 Eth | $393,169.00 17,425.380 LINK | 0.0588% |
72 | Coinbase Exchange | LINK-GBP | $23.02 0.0068942 Eth | $313,998.00 13,637.830 LINK | 0.0460% |
73 | Coinbase Exchange | LINK-BTC | $23.04 0.0068991 Eth | $287,144.00 12,462.580 LINK | 0.0421% |
74 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.07 0.0069003 Eth | $282,016.00 12,644.883 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0427% |
75 | LATOKEN | LINK-BTC | $23.05 0.0068999 Eth | $256,690.00 11,136.972 LINK | 0.0376% |
76 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.20 0.0069431 Eth | $253,744.00 769.883 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0026% |
77 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.18 0.0069371 Eth | $223,683.00 10,004.336 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0338% |
78 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.06 0.0069034 Eth | $220,531.00 9,787.906 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0330% |
79 | Binance | LINK-BNB | $23.07 0.0069143 Eth | $216,378.00 9,435.394 LINK | 0.0318% |
80 | Bitci TR | LINK-TRY | $23.38 0.0069981 Eth | $215,340.00 9,549.780 LINK | 0.0322% |
81 | Hotcoin | LINK-BTC | $23.18 0.0069236 Eth | $212,906.00 9,185.550 LINK | 0.0310% |
82 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.08 0.0069084 Eth | $211,805.00 9,406.980 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0317% |
83 | BitMart | LINK-ETH | $23.00 0.0068836 Eth | $210,640.00 9,160.240 LINK | 0.0309% |
84 | PointPay | LINK-BTC | $23.01 0.0068883 Eth | $201,621.00 8,916.528 LINK | 0.0301% |
85 | BitStorage | LINK-ETH | $23.03 0.0069040 Eth | $186,398.00 8,094.440 LINK | 0.0273% |
86 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.06 0.0069051 Eth | $182,810.00 8,087.720 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0273% |
87 | Bitso | LINK-USD | $23.19 0.0069433 Eth | $178,813.00 7,709.323 LINK | 0.0260% |
88 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.06 0.0069014 Eth | $164,588.00 159,691.397 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5389% |
89 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.00 0.0068848 Eth | $153,650.00 6,844.009 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0231% |
90 | Binance US | LINK-USDT | $23.11 0.0069104 Eth | $122,803.00 5,314.540 LINK | 0.0179% |
91 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.07 0.0069046 Eth | $112,649.00 108,992.497 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3678% |
92 | Coins.ph | LINK-PHP | $23.31 0.0069792 Eth | $102,384.00 4,528.092 LINK | 0.0153% |
93 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.21 0.0069485 Eth | $101,839.00 4,410.518 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0149% |
94 | Kanga | LINK-PLN | $23.32 0.0069824 Eth | $98,722.00 0.000 LINK | 0.0000% |
95 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.03 0.0068948 Eth | $97,565.00 4,341.987 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0147% |
96 | KuCoin | LINK-BTC | $22.98 0.0068797 Eth | $92,057.00 4,006.051 LINK | 0.0135% |
97 | Kraken | LINK-GBP | $23.19 0.0069438 Eth | $86,968.00 3,750.313 LINK | 0.0127% |
98 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.12 0.0069221 Eth | $84,080.00 3,713.004 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0125% |
99 | Mercado Bitcoin | LINK-BRL | $23.35 0.0069906 Eth | $77,611.00 3,324.387 LINK | 0.0112% |
100 | HTX | LINK-BTC | $22.89 0.0068524 Eth | $14,081.68 622.389 LINK | 0.0021% |
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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