ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
733,454 (0.00%)
Market
Price
$19.11 @ 0.007083 ETH (+4.04%)
Onchain Market Cap
$19,110,000,000.00
Circulating Supply Market Cap
$12,181,700,515.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
63.60959032 LINKValue
$1,215.58 ( ~0.450561943049957 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $19.14 0.0070843 Eth | $67,287,089.00 3,619,571.630 LINK | 22.3930% |
2 | ![]() | LINK-USD | $19.07 0.0070411 Eth | $26,811,022.00 1,406,147.890 LINK | 8.6993% |
3 | ![]() | LINK-USDT | $19.03 0.0070573 Eth | $22,956,620.00 1,233,162.599 LINK | 7.6291% |
4 | ![]() | LINK-USDT | $19.03 0.0070493 Eth | $18,430,625.00 988,990.027 LINK | 6.1185% |
5 | ![]() | LINK-USDT | $19.05 0.0070528 Eth | $15,858,275.00 850,042.380 LINK | 5.2589% |
6 | ![]() | LINK-USDT | $19.07 0.0070640 Eth | $13,836,802.00 725,522.590 LINK | 4.4886% |
7 | ![]() | LINK-USDT | $19.15 0.0070748 Eth | $11,169,171.00 583,168.140 LINK | 3.6079% |
8 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.09 0.0070805 Eth | $10,468,274.00 552,381.996 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.4174% |
9 | ![]() | LINK-USDT | $19.03 0.0070555 Eth | $8,922,239.00 479,494.692 LINK | 2.9665% |
10 | ![]() | LINK-USDT | $19.01 0.0070505 Eth | $8,582,470.00 451,374.580 LINK | 2.7925% |
11 | ![]() | LINK-USDT | $19.03 0.0070553 Eth | $6,665,303.00 358,803.790 LINK | 2.2198% |
12 | ![]() | LINK-USDT | $19.08 0.0070425 Eth | $6,090,782.00 319,160.691 LINK | 1.9745% |
13 | ![]() | LINK-USDT | $19.00 0.0070362 Eth | $5,968,156.00 321,061.620 LINK | 1.9863% |
14 | ![]() | LINK-USDT | $19.06 0.0070383 Eth | $5,015,930.00 263,162.890 LINK | 1.6281% |
15 | ![]() | LINK-USDT | $19.06 0.0070540 Eth | $4,877,907.00 256,014.680 LINK | 1.5839% |
16 | ![]() | LINK-FDUSD | $19.06 0.0070600 Eth | $4,777,440.00 256,578.780 LINK | 1.5874% |
17 | ![]() | LINK-USDT | $19.04 0.0070498 Eth | $4,205,278.00 220,915.636 LINK | 1.3667% |
18 | ![]() | LINK-USD | $19.03 0.0070489 Eth | $3,983,225.00 209,275.759 LINK | 1.2947% |
19 | ![]() | LINK-EUR | $19.07 0.0070365 Eth | $3,927,618.00 205,986.034 LINK | 1.2744% |
20 | ![]() | LINK-USDT | $19.08 0.0070490 Eth | $3,858,468.00 202,196.510 LINK | 1.2509% |
21 | ![]() | LINK-USDT | $19.07 0.0070430 Eth | $3,252,281.00 170,518.633 LINK | 1.0549% |
22 | ![]() | LINK-EUR | $19.08 0.0070571 Eth | $2,716,103.00 142,336.830 LINK | 0.8806% |
23 | ![]() | LINK-USDT | $19.07 0.0070433 Eth | $2,593,189.00 139,195.419 LINK | 0.8612% |
24 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.02 0.0070356 Eth | $2,346,112.00 123,371.005 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7633% |
25 | ![]() | LINK-USDT | $19.05 0.0070616 Eth | $2,242,500.00 117,704.522 LINK | 0.7282% |
26 | ![]() | LINK-USDT | $19.14 0.0070538 Eth | $2,146,587.00 115,174.019 LINK | 0.7125% |
27 | ![]() | LINK-GBP | $19.04 0.0070500 Eth | $1,456,223.00 76,497.370 LINK | 0.4733% |
28 | ![]() | LINK-USDT | $19.08 0.0070494 Eth | $1,421,034.00 76,283.730 LINK | 0.4719% |
29 | ![]() | LINK-ETH | $19.04 0.0070496 Eth | $1,309,673.00 68,990.720 LINK | 0.4268% |
30 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.99 0.0070244 Eth | $1,135,422.00 59,853.092 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3703% |
31 | ![]() | LINK-USDT | $19.05 0.0070458 Eth | $1,119,365.00 59,796.116 LINK | 0.3699% |
32 | ![]() | LINK-USDT | $19.07 0.0070453 Eth | $974,166.00 52,224.271 LINK | 0.3231% |
33 | ![]() | LINK-USDT | $19.05 0.0070460 Eth | $907,345.00 48,726.880 LINK | 0.3015% |
34 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.10 0.0070822 Eth | $811,918.00 84,839.649 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.5249% |
35 | ![]() | LINK-USDT | $19.04 0.0070502 Eth | $761,016.00 39,975.900 LINK | 0.2473% |
36 | ![]() | LINK-USDC | $19.07 0.0070432 Eth | $753,238.00 40,368.790 LINK | 0.2497% |
37 | ![]() | LINK-USDT | $19.06 0.0070565 Eth | $731,831.00 38,389.030 LINK | 0.2375% |
38 | ![]() | LINK-USDT | $19.05 0.0070471 Eth | $678,548.00 35,609.980 LINK | 0.2203% |
39 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $19.14 0.0070801 Eth | $602,123.00 32,486.196 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2010% |
40 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.03 0.0070376 Eth | $579,529.00 30,466.087 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1885% |
41 | ![]() | LINK-JPY | $19.09 0.0070805 Eth | $545,321.00 28,558.623 LINK | 0.1767% |
42 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.11 0.0070709 Eth | $541,538.00 28,172.806 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1743% |
43 | ![]() | LINK-TRY | $19.08 0.0070719 Eth | $520,226.00 27,845.080 LINK | 0.1723% |
44 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.10 0.0070706 Eth | $477,414.00 25,110.434 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1553% |
45 | ![]() | LINK-BTC | $19.11 0.0070438 Eth | $459,705.00 24,058.440 LINK | 0.1488% |
46 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.11 0.0070698 Eth | $445,369.00 23,421.913 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1449% |
47 | ![]() | LINK-TRY | $19.07 0.0070392 Eth | $441,479.00 23,144.580 LINK | 0.1432% |
48 | ![]() | LINK-USDT | $19.03 0.0070475 Eth | $403,127.00 21,651.134 LINK | 0.1339% |
49 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.14 0.0070801 Eth | $374,637.00 363,469.923 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2487% |
50 | ![]() | LINK-USDC | $19.08 0.0070453 Eth | $361,939.00 19,374.977 LINK | 0.1199% |
51 | ![]() | LINK-USDC | $19.11 0.0070861 Eth | $349,392.00 18,716.320 LINK | 0.1158% |
52 | ![]() | LINK-USD | $19.07 0.0070704 Eth | $343,959.00 18,039.005 LINK | 0.1116% |
53 | ![]() | LINK-ETH | $19.02 0.0070525 Eth | $317,730.00 16,746.830 LINK | 0.1036% |
54 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.98 0.0070178 Eth | $314,743.00 17,024.242 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1053% |
55 | ![]() | LINK-BTC | $19.07 0.0070539 Eth | $269,233.00 14,119.380 LINK | 0.0874% |
56 | ![]() | LINK-USDT | $19.03 0.0070454 Eth | $264,848.00 14,244.000 LINK | 0.0881% |
57 | ![]() | LINK-USDC | $19.03 0.0070575 Eth | $259,698.00 13,869.540 LINK | 0.0858% |
58 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.08 0.0070672 Eth | $258,741.00 13,639.254 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0844% |
59 | ![]() | LINK-EUR | $19.04 0.0070514 Eth | $251,317.00 13,199.440 LINK | 0.0817% |
60 | ![]() | LINK-USD | $19.11 0.0070702 Eth | $249,573.00 13,059.805 LINK | 0.0808% |
61 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.03 0.0070323 Eth | $188,021.00 10,137.124 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0627% |
62 | ![]() | LINK-BTC | $19.06 0.0070650 Eth | $187,291.00 9,825.910 LINK | 0.0608% |
63 | ![]() | LINK-BTC | $19.08 0.0070457 Eth | $175,463.00 9,196.460 LINK | 0.0569% |
64 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.08 0.0070732 Eth | $161,177.00 8,722.453 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0540% |
65 | ![]() | LINK-USDC | $19.10 0.0070569 Eth | $157,851.00 8,262.620 LINK | 0.0511% |
66 | ![]() | LINK-TRY | $19.08 0.0070714 Eth | $153,507.00 8,208.580 LINK | 0.0508% |
67 | ![]() | LINK-ETH | $19.06 0.0070492 Eth | $150,821.00 7,914.810 LINK | 0.0490% |
68 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.98 0.0070178 Eth | $141,391.00 138,155.475 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.8547% |
69 | ![]() | LINK-USDC | $19.14 0.0070900 Eth | $133,019.00 6,948.195 LINK | 0.0430% |
70 | ![]() | LINK-EUR | $19.09 0.0070773 Eth | $125,606.00 6,737.197 LINK | 0.0417% |
71 | ![]() | LINK-USDT | $19.09 0.0070527 Eth | $118,349.00 6,198.644 LINK | 0.0383% |
72 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $19.08 0.0070581 Eth | $110,437.00 5,915.434 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0366% |
73 | ![]() | LINK-USD | $19.11 0.0070508 Eth | $101,682.00 5,320.922 LINK | 0.0329% |
74 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.93 0.0070087 Eth | $94,044.00 4,962.327 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0307% |
75 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.10 0.0070822 Eth | $93,869.00 5,041.632 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0312% |
76 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.13 0.0070947 Eth | $83,765.00 81,358.787 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5033% |
77 | ![]() | LINK-ETH | $19.07 0.0070528 Eth | $72,321.00 3,793.300 LINK | 0.0235% |
78 | ![]() | LINK-THB | $19.08 0.0070478 Eth | $71,041.00 3,724.192 LINK | 0.0230% |
79 | ![]() | LINK-IDR | $19.10 0.0070467 Eth | $63,068.00 3,301.459 LINK | 0.0204% |
80 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.11 0.0070879 Eth | $59,894.00 3,148.647 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0195% |
81 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.04 0.0070465 Eth | $50,929.00 2,682.566 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0166% |
82 | ![]() | LINK-ETH | $19.13 0.0070493 Eth | $48,384.00 2,529.560 LINK | 0.0156% |
83 | ![]() | LINK-TRY | $18.89 0.0069994 Eth | $34,045.00 1,802.728 LINK | 0.0112% |
84 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $19.06 0.0070314 Eth | $27,182.00 1,399.942 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0087% |
85 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.16 0.0070862 Eth | $22,267.00 1,156.778 0X5947BB275C521040051D82396192181B413227A3 | 0.0072% |
86 | ![]() | LINK-ETH | $19.12 0.0070602 Eth | $21,077.00 1,102.400 LINK | 0.0068% |
87 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.15 0.0070855 Eth | $20,756.00 1,080.185 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0067% |
88 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.09 0.0070362 Eth | $19,091.00 1,029.456 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0064% |
89 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.97 0.0070235 Eth | $17,026.07 903.041 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0056% |
90 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.06 0.0070317 Eth | $16,536.72 16,117.714 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0997% |
91 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $19.06 0.0070310 Eth | $15,542.60 836.760 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0052% |
92 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $19.06 0.0070474 Eth | $15,441.93 22.816 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
93 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.03 0.0070202 Eth | $12,444.76 49.106 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0003% |
94 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.10 0.0070700 Eth | $11,839.67 606.568 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0038% |
95 | ![]() | LINK-BTC | $18.87 0.0069979 Eth | $11,284.40 597.940 LINK | 0.0037% |
96 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $19.04 0.0070447 Eth | $9,930.91 530.308 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0033% |
97 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.17 0.0070997 Eth | $7,987.20 418.388 0X5947BB275C521040051D82396192181B413227A3 | 0.0026% |
98 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.04 0.0070504 Eth | $6,115.35 321.513 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0020% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.05 0.0070569 Eth | $5,493.16 288.686 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0018% |
100 | ![]() | LINK-BTC | $19.14 0.0070883 Eth | $3,763.02 200.805 LINK | 0.0012% |
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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