ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
737,175 ( 0.014%)
Market
Price
$18.80 @ 0.006703 ETH (+3.45%)
Onchain Market Cap
$18,800,000,000.00
Circulating Supply Market Cap
$11,989,322,874.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000555020421745269 LINKValue
$0.01 ( ~3.56558787047695E-06 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $18.80 0.0067033 Eth | $53,608,279.00 2,851,465.330 LINK | 24.1292% |
2 | ![]() | LINK-USD | $18.81 0.0067057 Eth | $20,833,404.00 1,107,806.220 LINK | 9.3743% |
3 | ![]() | LINK-USDT | $18.80 0.0067015 Eth | $18,674,402.00 1,021,364.522 LINK | 8.6428% |
4 | ![]() | LINK-USDT | $18.81 0.0067069 Eth | $17,516,264.00 958,761.656 LINK | 8.1131% |
5 | ![]() | LINK-USDT | $18.78 0.0066972 Eth | $9,088,811.00 483,904.690 LINK | 4.0948% |
6 | ![]() | LINK-USDT | $18.80 0.0067044 Eth | $5,701,367.00 310,583.020 LINK | 2.6282% |
7 | ![]() | LINK-USDT | $18.80 0.0067043 Eth | $5,087,016.00 270,547.920 LINK | 2.2894% |
8 | ![]() | LINK-USDT | $18.80 0.0067015 Eth | $4,774,445.00 260,498.946 LINK | 2.2044% |
9 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.80 0.0067032 Eth | $4,576,730.00 245,996.624 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.0816% |
10 | ![]() | LINK-FDUSD | $18.79 0.0067030 Eth | $4,485,137.00 244,646.930 LINK | 2.0702% |
11 | ![]() | LINK-EUR | $18.77 0.0066933 Eth | $4,261,543.00 227,034.760 LINK | 1.9212% |
12 | ![]() | LINK-USDT | $18.82 0.0067114 Eth | $4,213,946.00 230,020.430 LINK | 1.9464% |
13 | ![]() | LINK-USDC | $18.79 0.0066995 Eth | $4,061,751.00 216,191.640 LINK | 1.8294% |
14 | ![]() | LINK-USDT | $18.75 0.0066872 Eth | $3,948,438.00 215,641.670 LINK | 1.8248% |
15 | ![]() | LINK-USDT | $18.79 0.0067034 Eth | $3,591,264.00 191,116.640 LINK | 1.6172% |
16 | ![]() | LINK-USDT | $18.81 0.0067065 Eth | $3,169,597.00 168,511.355 LINK | 1.4260% |
17 | ![]() | LINK-USD | $18.81 0.0067082 Eth | $2,777,154.00 147,614.875 LINK | 1.2491% |
18 | ![]() | LINK-USDT | $18.78 0.0066973 Eth | $2,671,995.00 142,324.500 LINK | 1.2044% |
19 | ![]() | LINK-USDT | $18.80 0.0067063 Eth | $2,596,783.00 141,691.140 LINK | 1.1990% |
20 | ![]() | LINK-USDT | $18.78 0.0067006 Eth | $2,491,911.00 132,668.770 LINK | 1.1226% |
21 | ![]() | LINK-EUR | $18.80 0.0067011 Eth | $2,347,034.00 124,865.069 LINK | 1.0566% |
22 | ![]() | LINK-USDT | $18.80 0.0067045 Eth | $1,970,129.00 104,781.568 LINK | 0.8867% |
23 | ![]() | LINK-GBP | $18.79 0.0067008 Eth | $1,873,594.00 99,732.720 LINK | 0.8439% |
24 | ![]() | LINK-USDT | $18.80 0.0067034 Eth | $1,792,098.00 97,751.209 LINK | 0.8272% |
25 | ![]() | LINK-USDT | $18.81 0.0067076 Eth | $1,577,983.00 86,241.504 LINK | 0.7298% |
26 | ![]() | LINK-USDT | $18.78 0.0066992 Eth | $1,430,672.00 76,168.590 LINK | 0.6445% |
27 | ![]() | LINK-USDT | $18.78 0.0066986 Eth | $1,219,532.00 66,717.010 LINK | 0.5646% |
28 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.80 0.0067034 Eth | $1,150,275.00 61,740.167 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.5224% |
29 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.68 0.0066606 Eth | $1,063,341.00 57,073.698 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4830% |
30 | ![]() | LINK-ETH | $18.81 0.0067056 Eth | $1,044,326.00 56,072.640 LINK | 0.4745% |
31 | ![]() | LINK-BTC | $18.80 0.0067037 Eth | $905,379.00 49,169.200 LINK | 0.4161% |
32 | ![]() | LINK-USDT | $18.80 0.0067035 Eth | $825,490.00 45,186.990 LINK | 0.3824% |
33 | ![]() | LINK-EUR | $18.78 0.0066989 Eth | $823,794.00 43,863.370 LINK | 0.3712% |
34 | ![]() | LINK-USDC | $18.78 0.0067007 Eth | $756,959.00 41,446.850 LINK | 0.3507% |
35 | ![]() | LINK-USDT | $18.76 0.0066972 Eth | $747,629.00 40,954.586 LINK | 0.3466% |
36 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.80 0.0067016 Eth | $728,794.00 39,124.314 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3311% |
37 | ![]() | LINK-USDT | $18.80 0.0067044 Eth | $699,892.00 38,178.576 LINK | 0.3231% |
38 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.87 0.0067288 Eth | $626,979.00 65,077.302 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.5507% |
39 | ![]() | LINK-USDT | $18.84 0.0067182 Eth | $584,060.00 30,999.180 LINK | 0.2623% |
40 | ![]() | LINK-EUR | $18.73 0.0066897 Eth | $489,609.00 26,801.260 LINK | 0.2268% |
41 | ![]() | LINK-USDT | $18.81 0.0067071 Eth | $481,994.00 25,619.550 LINK | 0.2168% |
42 | ![]() | LINK-BTC | $18.78 0.0066996 Eth | $441,000.00 23,478.730 LINK | 0.1987% |
43 | ![]() | LINK-USDT | $18.83 0.0067124 Eth | $439,035.00 23,320.603 LINK | 0.1973% |
44 | ![]() | LINK-TRY | $18.70 0.0066753 Eth | $403,807.00 22,100.310 LINK | 0.1870% |
45 | ![]() | LINK-JPY | $18.84 0.0067210 Eth | $403,612.00 21,418.489 LINK | 0.1812% |
46 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.79 0.0066982 Eth | $401,643.00 21,560.331 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1824% |
47 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.80 0.0067038 Eth | $397,983.00 387,745.429 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.2811% |
48 | ![]() | LINK-USD | $18.79 0.0067002 Eth | $336,913.00 17,928.804 LINK | 0.1517% |
49 | ![]() | LINK-BTC | $18.80 0.0067052 Eth | $308,128.00 16,385.680 LINK | 0.1387% |
50 | ![]() | LINK-USDC | $18.82 0.0067087 Eth | $308,084.00 16,840.838 LINK | 0.1425% |
51 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.80 0.0067038 Eth | $296,991.00 16,230.895 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1373% |
52 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.78 0.0066970 Eth | $296,681.00 15,971.110 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1351% |
53 | ![]() | LINK-BTC | $18.78 0.0066964 Eth | $254,769.00 13,569.568 LINK | 0.1148% |
54 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.72 0.0066741 Eth | $215,954.00 11,660.024 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0987% |
55 | ![]() | LINK-JPY | $18.79 0.0067005 Eth | $212,497.00 11,308.500 LINK | 0.0957% |
56 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.77 0.0066927 Eth | $206,839.00 11,315.412 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0958% |
57 | ![]() | LINK-TRY | $18.62 0.0066456 Eth | $183,146.00 10,057.030 LINK | 0.0851% |
58 | ![]() | LINK-USDC | $18.79 0.0067034 Eth | $179,229.00 9,812.500 LINK | 0.0830% |
59 | ![]() | LINK-BRL | $18.63 0.0066465 Eth | $179,160.00 9,616.112 LINK | 0.0814% |
60 | ![]() | LINK-USDT | $18.80 0.0067045 Eth | $175,031.00 9,583.000 LINK | 0.0811% |
61 | ![]() | LINK-USDT | $18.80 0.0067028 Eth | $165,082.00 9,039.465 LINK | 0.0765% |
62 | ![]() | LINK-USDC | $18.78 0.0066967 Eth | $164,047.00 8,967.711 LINK | 0.0759% |
63 | ![]() | LINK-BTC | $18.79 0.0067028 Eth | $160,953.00 8,564.390 LINK | 0.0725% |
64 | ![]() | LINK-ETH | $18.81 0.0067064 Eth | $147,153.00 7,824.200 LINK | 0.0662% |
65 | ![]() | LINK-USDC | $18.75 0.0066890 Eth | $146,822.00 7,830.300 LINK | 0.0663% |
66 | ![]() | LINK-ETH | $18.80 0.0067107 Eth | $145,435.00 7,812.420 LINK | 0.0661% |
67 | ![]() | LINK-BTC | $18.78 0.0066996 Eth | $128,235.00 6,827.200 LINK | 0.0578% |
68 | ![]() | LINK-TRY | $18.73 0.0066829 Eth | $125,432.00 6,695.620 LINK | 0.0567% |
69 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.83 0.0067142 Eth | $124,228.00 6,767.769 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0573% |
70 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.78 0.0066943 Eth | $122,856.00 6,606.483 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0559% |
71 | ![]() | LINK-TRY | $18.73 0.0066795 Eth | $120,115.00 6,593.200 LINK | 0.0558% |
72 | ![]() | LINK-USDT | $18.79 0.0067068 Eth | $97,381.00 5,322.330 LINK | 0.0450% |
73 | ![]() | LINK-THB | $18.75 0.0066871 Eth | $95,347.00 5,084.180 LINK | 0.0430% |
74 | ![]() | LINK-USDC | $18.76 0.0066877 Eth | $81,094.00 4,323.596 LINK | 0.0366% |
75 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.78 0.0066974 Eth | $78,042.00 4,185.310 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0354% |
76 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.76 0.0066886 Eth | $76,782.00 4,129.802 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0349% |
77 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.76 0.0066883 Eth | $74,527.00 72,725.967 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.6154% |
78 | ![]() | LINK-USDT | $18.77 0.0066927 Eth | $72,216.00 3,846.912 LINK | 0.0326% |
79 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.68 0.0066609 Eth | $61,772.00 60,431.510 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5114% |
80 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.70 0.0066674 Eth | $49,450.00 2,676.800 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0227% |
81 | ![]() | LINK-ETH | $18.79 0.0067005 Eth | $44,639.00 2,375.610 LINK | 0.0201% |
82 | ![]() | LINK-USD | $18.73 0.0066894 Eth | $41,048.00 2,191.190 LINK | 0.0185% |
83 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.79 0.0066991 Eth | $29,978.00 29,278.956 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.2478% |
84 | ![]() | LINK-BTC | $18.84 0.0067163 Eth | $26,550.00 1,409.440 LINK | 0.0119% |
85 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.79 0.0066999 Eth | $23,948.00 1,311.034 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0111% |
86 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.81 0.0067080 Eth | $23,395.00 1,254.531 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0106% |
87 | ![]() | LINK-ETH | $18.82 0.0067096 Eth | $20,029.00 1,064.330 LINK | 0.0090% |
88 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.82 0.0067112 Eth | $13,250.79 711.240 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0060% |
89 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.77 0.0066927 Eth | $11,973.78 11,666.945 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0987% |
90 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.73 0.0066793 Eth | $11,937.29 16.288 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
91 | ![]() | LINK-BTC | $18.87 0.0067300 Eth | $10,612.08 569.850 LINK | 0.0048% |
92 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.66 0.0066513 Eth | $10,536.29 559.081 0X5947BB275C521040051D82396192181B413227A3 | 0.0047% |
93 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.77 0.0066931 Eth | $9,895.87 540.315 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0046% |
94 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.75 0.0066846 Eth | $8,401.76 460.224 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0039% |
95 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $18.68 0.0066610 Eth | $8,345.39 449.723 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0038% |
96 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.70 0.0066684 Eth | $8,050.02 885.124 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0075% |
97 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.67 0.0066587 Eth | $5,889.93 22.217 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
98 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $18.82 0.0067089 Eth | $5,401.35 292.258 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0025% |
99 | ![]() | LINK-BTC | $18.78 0.0066948 Eth | $3,666.38 195.240 LINK | 0.0017% |
100 | ![]() | LINK-USDT | $18.68 0.0066661 Eth | $1,822.06 99.680 LINK | 0.0008% |
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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