ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,704 ( 0.014%)
Market
Price
$18.64 @ 0.006914 ETH (-4.14%)
Onchain Market Cap
$18,640,000,000.00
Circulating Supply Market Cap
$11,892,027,463.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
19.85194383 LINKValue
$370.04 ( ~0.137248812070946 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USD | $18.67 0.0069047 Eth | $45,082,201.00 2,414,298.800 LINK | 14.9925% |
2 | ![]() | LINK-USDT | $18.64 0.0069014 Eth | $34,649,371.00 1,806,470.968 LINK | 11.2180% |
3 | ![]() | LINK-USDT | $18.64 0.0069004 Eth | $17,033,309.00 886,827.730 LINK | 5.5071% |
4 | ![]() | LINK-USDT | $18.65 0.0069040 Eth | $14,738,789.00 768,765.740 LINK | 4.7740% |
5 | ![]() | LINK-USDT | $18.54 0.0068909 Eth | $13,119,616.00 707,541.010 LINK | 4.3938% |
6 | ![]() | LINK-USDT | $18.65 0.0069058 Eth | $12,014,182.00 628,109.328 LINK | 3.9005% |
7 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.82 0.0069623 Eth | $11,704,720.00 622,280.571 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.8643% |
8 | ![]() | LINK-USDT | $18.69 0.0069190 Eth | $10,842,359.00 580,227.420 LINK | 3.6032% |
9 | ![]() | LINK-USDT | $18.64 0.0069018 Eth | $9,507,288.00 509,944.910 LINK | 3.1667% |
10 | ![]() | LINK-USDT | $18.63 0.0068981 Eth | $8,775,976.00 458,224.300 LINK | 2.8455% |
11 | ![]() | LINK-USDT | $18.66 0.0069062 Eth | $7,989,473.00 428,270.252 LINK | 2.6595% |
12 | ![]() | LINK-USDT | $18.65 0.0069052 Eth | $7,308,542.00 381,674.990 LINK | 2.3702% |
13 | ![]() | LINK-USDT | $18.63 0.0068931 Eth | $7,165,010.00 384,553.008 LINK | 2.3880% |
14 | ![]() | LINK-USDC | $18.62 0.0069012 Eth | $6,297,795.00 329,051.380 LINK | 2.0434% |
15 | ![]() | LINK-USDT | $18.64 0.0069019 Eth | $6,130,696.00 329,012.680 LINK | 2.0431% |
16 | ![]() | LINK-USDT | $18.63 0.0069010 Eth | $5,902,828.00 316,781.930 LINK | 1.9672% |
17 | ![]() | LINK-USDT | $18.66 0.0068989 Eth | $5,839,188.00 312,978.580 LINK | 1.9436% |
18 | ![]() | LINK-USD | $18.67 0.0069104 Eth | $5,830,901.00 312,372.159 LINK | 1.9398% |
19 | ![]() | LINK-USDT | $18.58 0.0068930 Eth | $5,206,448.00 271,326.123 LINK | 1.6849% |
20 | ![]() | LINK-USDT | $18.65 0.0069059 Eth | $4,765,471.00 255,475.310 LINK | 1.5865% |
21 | ![]() | LINK-USDT | $18.63 0.0069063 Eth | $4,423,920.00 237,462.613 LINK | 1.4746% |
22 | ![]() | LINK-EUR | $18.67 0.0069093 Eth | $4,007,085.00 214,612.833 LINK | 1.3327% |
23 | ![]() | LINK-FDUSD | $18.64 0.0069007 Eth | $3,944,879.00 205,407.490 LINK | 1.2756% |
24 | ![]() | LINK-USDT | $18.68 0.0069125 Eth | $3,625,039.00 189,327.558 LINK | 1.1757% |
25 | ![]() | LINK-USDT | $18.63 0.0068921 Eth | $2,759,005.00 148,101.620 LINK | 0.9197% |
26 | ![]() | LINK-USDT | $18.62 0.0068906 Eth | $2,391,071.00 124,618.912 LINK | 0.7739% |
27 | ![]() | LINK-EUR | $18.67 0.0069126 Eth | $2,377,586.00 127,330.700 LINK | 0.7907% |
28 | ![]() | LINK-GBP | $18.67 0.0069073 Eth | $1,830,444.00 98,040.960 LINK | 0.6088% |
29 | ![]() | LINK-USDT | $18.65 0.0069071 Eth | $1,772,376.00 92,316.650 LINK | 0.5733% |
30 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.62 0.0068941 Eth | $1,741,247.00 92,835.254 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5765% |
31 | ![]() | LINK-USDT | $18.50 0.0068803 Eth | $1,539,516.00 80,985.425 LINK | 0.5029% |
32 | ![]() | LINK-USDT | $18.54 0.0068823 Eth | $1,380,059.00 72,087.402 LINK | 0.4477% |
33 | ![]() | LINK-ETH | $18.66 0.0069059 Eth | $1,277,751.00 68,123.840 LINK | 0.4230% |
34 | ![]() | LINK-BTC | $18.66 0.0069067 Eth | $1,121,415.00 58,701.200 LINK | 0.3645% |
35 | ![]() | LINK-USDT | $18.64 0.0069012 Eth | $995,470.00 53,400.430 LINK | 0.3316% |
36 | ![]() | LINK-USDT | $18.65 0.0069034 Eth | $940,853.00 50,454.091 LINK | 0.3133% |
37 | ![]() | LINK-USDC | $18.65 0.0068998 Eth | $926,053.00 47,889.980 LINK | 0.2974% |
38 | ![]() | LINK-ETH | $18.67 0.0069128 Eth | $876,783.00 46,731.720 LINK | 0.2902% |
39 | ![]() | LINK-USDT | $18.62 0.0068954 Eth | $865,976.00 45,063.310 LINK | 0.2798% |
40 | ![]() | LINK-USDT | $18.66 0.0069046 Eth | $730,901.00 39,171.280 LINK | 0.2432% |
41 | ![]() | LINK-USD | $18.69 0.0069206 Eth | $722,120.00 38,635.171 LINK | 0.2399% |
42 | ![]() | LINK-USDT | $18.64 0.0068998 Eth | $698,452.00 37,463.290 LINK | 0.2326% |
43 | ![]() | LINK-TRY | $18.65 0.0069031 Eth | $629,594.00 32,709.840 LINK | 0.2031% |
44 | ![]() | LINK-JPY | $18.71 0.0069167 Eth | $622,538.00 33,277.905 LINK | 0.2067% |
45 | ![]() | LINK-ETH | $18.69 0.0069206 Eth | $610,697.00 32,667.320 LINK | 0.2029% |
46 | ![]() | LINK-USDC | $18.63 0.0068986 Eth | $582,718.00 30,552.637 LINK | 0.1897% |
47 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.68 0.0069142 Eth | $572,003.00 29,635.202 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1840% |
48 | ![]() | LINK-USDT | $18.65 0.0069040 Eth | $570,393.00 29,853.101 LINK | 0.1854% |
49 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.65 0.0069057 Eth | $568,679.00 30,285.158 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1881% |
50 | ![]() | LINK-USDT | $18.62 0.0068908 Eth | $562,229.00 30,192.114 LINK | 0.1875% |
51 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.69 0.0069178 Eth | $538,189.00 28,302.118 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1758% |
52 | ![]() | LINK-USDC | $18.67 0.0069081 Eth | $516,800.00 26,980.236 LINK | 0.1675% |
53 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.66 0.0069096 Eth | $443,236.00 23,905.381 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1484% |
54 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.65 0.0069057 Eth | $419,906.00 432,202.454 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.6839% |
55 | ![]() | LINK-JPY | $18.59 0.0068790 Eth | $395,816.00 21,294.800 LINK | 0.1322% |
56 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.65 0.0069045 Eth | $380,204.00 20,266.925 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1259% |
57 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.69 0.0069175 Eth | $372,813.00 19,518.871 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1212% |
58 | ![]() | LINK-USD | $18.69 0.0069103 Eth | $332,856.00 17,809.336 LINK | 0.1106% |
59 | ![]() | LINK-BTC | $18.69 0.0069138 Eth | $307,998.00 16,481.240 LINK | 0.1023% |
60 | ![]() | LINK-ETH | $18.67 0.0069023 Eth | $299,707.00 15,971.860 LINK | 0.0992% |
61 | ![]() | LINK-USDT | $18.48 0.0068759 Eth | $285,760.00 14,878.000 LINK | 0.0924% |
62 | ![]() | LINK-USDC | $18.69 0.0069188 Eth | $285,441.00 15,089.074 LINK | 0.0937% |
63 | ![]() | LINK-BTC | $18.64 0.0069046 Eth | $284,829.00 15,277.807 LINK | 0.0949% |
64 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.66 0.0069080 Eth | $282,196.00 15,018.046 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0933% |
65 | ![]() | LINK-TRY | $18.73 0.0069357 Eth | $276,168.00 14,746.760 LINK | 0.0916% |
66 | ![]() | LINK-BTC | $18.64 0.0069022 Eth | $250,804.00 13,457.520 LINK | 0.0836% |
67 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.79 0.0069569 Eth | $233,918.00 12,474.021 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0775% |
68 | ![]() | LINK-BNB | $18.63 0.0068979 Eth | $231,056.00 11,860.064 LINK | 0.0736% |
69 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.63 0.0068991 Eth | $215,800.00 11,248.085 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0698% |
70 | ![]() | LINK-BTC | $18.65 0.0069075 Eth | $212,664.00 11,402.190 LINK | 0.0708% |
71 | ![]() | LINK-ETH | $18.64 0.0069059 Eth | $198,636.00 10,658.270 LINK | 0.0662% |
72 | ![]() | LINK-THB | $18.71 0.0069241 Eth | $198,118.00 10,587.988 LINK | 0.0658% |
73 | ![]() | LINK-USDC | $18.69 0.0069179 Eth | $193,270.00 10,342.618 LINK | 0.0642% |
74 | ![]() | LINK-USDC | $18.64 0.0068999 Eth | $187,642.00 10,067.430 LINK | 0.0625% |
75 | ![]() | LINK-TRY | $18.77 0.0069430 Eth | $180,568.00 9,328.180 LINK | 0.0579% |
76 | ![]() | LINK-USD | $18.61 0.0068811 Eth | $175,318.00 9,420.005 LINK | 0.0585% |
77 | ![]() | LINK-BTC | $18.71 0.0069188 Eth | $161,381.00 8,624.830 LINK | 0.0536% |
78 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.75 0.0069364 Eth | $152,934.00 16,938.495 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1052% |
79 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.75 0.0069364 Eth | $132,584.00 6,871.337 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0427% |
80 | ![]() | LINK-EUR | $18.75 0.0069425 Eth | $110,058.00 5,870.260 LINK | 0.0365% |
81 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.67 0.0069124 Eth | $106,407.00 5,616.001 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0349% |
82 | ![]() | LINK-BRL | $18.70 0.0069251 Eth | $105,657.00 5,649.237 LINK | 0.0351% |
83 | ![]() | LINK-BTC | $18.67 0.0069034 Eth | $97,455.00 5,126.406 LINK | 0.0318% |
84 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.79 0.0069533 Eth | $96,643.00 5,137.079 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0319% |
85 | ![]() | LINK-PLN | $18.68 0.0069175 Eth | $77,123.00 0.000 LINK | 0.0000% |
86 | ![]() | LINK-ETH | $18.64 0.0069051 Eth | $71,780.00 3,849.900 LINK | 0.0239% |
87 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.62 0.0068941 Eth | $60,943.00 62,719.653 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3895% |
88 | ![]() | LINK-ETH | $18.64 0.0069050 Eth | $60,822.00 3,262.360 LINK | 0.0203% |
89 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.64 0.0069041 Eth | $52,476.00 2,799.628 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0174% |
90 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.66 0.0069110 Eth | $48,892.00 2,545.593 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0158% |
91 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.75 0.0069364 Eth | $46,869.00 2,428.869 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0151% |
92 | ![]() | LINK-USDC | $18.59 0.0068816 Eth | $27,864.00 1,449.844 LINK | 0.0090% |
93 | ![]() | LINK-ETH | $18.65 0.0069208 Eth | $26,997.00 1,447.840 LINK | 0.0090% |
94 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.65 0.0069079 Eth | $23,153.00 38.087 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
95 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.62 0.0068936 Eth | $20,493.00 1,102.624 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0068% |
96 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.65 0.0068952 Eth | $19,214.20 1,608.068 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0100% |
97 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.60 0.0068888 Eth | $19,019.11 1,018.232 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0063% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.67 0.0069123 Eth | $17,243.34 903.453 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0056% |
99 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.66 0.0069056 Eth | $16,355.47 16,778.677 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1042% |
100 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $18.57 0.0068737 Eth | $15,779.37 828.829 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0051% |
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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