ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
738,715 ( 0.037%)
Market
Price
$17.54 @ 0.006250 ETH (-1.49%)
Onchain Market Cap
$17,540,000,000.00
Circulating Supply Market Cap
$11,205,828,948.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $17.57 0.0062552 Eth | $32,926,465.00 1,849,209.500 LINK | 20.4575% |
2 | ![]() | LINK-USDT | $17.58 0.0062578 Eth | $12,149,108.00 682,420.254 LINK | 7.5495% |
3 | ![]() | LINK-USD | $17.54 0.0062549 Eth | $9,776,610.00 557,325.820 LINK | 6.1656% |
4 | ![]() | LINK-USDT | $17.58 0.0062602 Eth | $9,151,754.00 513,672.272 LINK | 5.6827% |
5 | ![]() | LINK-USDT | $17.53 0.0062521 Eth | $7,143,221.00 407,442.630 LINK | 4.5075% |
6 | ![]() | LINK-USDT | $17.54 0.0062542 Eth | $6,970,079.00 391,540.030 LINK | 4.3316% |
7 | ![]() | LINK-USDT | $17.56 0.0062624 Eth | $6,814,485.00 382,682.070 LINK | 4.2336% |
8 | ![]() | LINK-USDT | $17.60 0.0062659 Eth | $6,185,047.00 346,794.811 LINK | 3.8365% |
9 | ![]() | LINK-USDT | $17.59 0.0062668 Eth | $5,489,015.00 308,238.620 LINK | 3.4100% |
10 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.53 0.0062483 Eth | $4,273,093.00 238,103.687 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.6341% |
11 | ![]() | LINK-USDT | $17.60 0.0062653 Eth | $3,949,498.00 224,441.050 LINK | 2.4830% |
12 | ![]() | LINK-USDT | $17.60 0.0062672 Eth | $3,335,661.00 187,247.106 LINK | 2.0715% |
13 | ![]() | LINK-USDT | $17.56 0.0062606 Eth | $3,280,413.00 184,304.875 LINK | 2.0389% |
14 | ![]() | LINK-USDT | $17.55 0.0062558 Eth | $3,266,289.00 183,535.820 LINK | 2.0304% |
15 | ![]() | LINK-USDT | $17.57 0.0062626 Eth | $2,960,302.00 168,447.256 LINK | 1.8635% |
16 | ![]() | LINK-USDT | $17.57 0.0062554 Eth | $2,889,994.00 164,491.570 LINK | 1.8197% |
17 | ![]() | LINK-USDC | $17.57 0.0062570 Eth | $2,550,349.00 142,946.610 LINK | 1.5814% |
18 | ![]() | LINK-USDT | $17.54 0.0062564 Eth | $2,459,697.00 140,214.350 LINK | 1.5512% |
19 | ![]() | LINK-USDT | $17.59 0.0062615 Eth | $2,422,842.00 136,102.600 LINK | 1.5057% |
20 | ![]() | LINK-USDT | $17.56 0.0062585 Eth | $2,172,374.00 123,692.257 LINK | 1.3684% |
21 | ![]() | LINK-USDT | $17.52 0.0062619 Eth | $2,036,218.00 114,384.981 LINK | 1.2654% |
22 | ![]() | LINK-USDT | $17.56 0.0062568 Eth | $1,902,476.00 108,324.460 LINK | 1.1984% |
23 | ![]() | LINK-USDT | $17.58 0.0062590 Eth | $1,823,742.00 103,743.980 LINK | 1.1477% |
24 | ![]() | LINK-USDT | $17.55 0.0062589 Eth | $1,612,886.00 90,554.670 LINK | 1.0018% |
25 | ![]() | LINK-USDT | $17.51 0.0062461 Eth | $1,601,999.00 89,967.860 LINK | 0.9953% |
26 | ![]() | LINK-USD | $17.58 0.0062635 Eth | $1,345,792.00 76,556.110 LINK | 0.8469% |
27 | ![]() | LINK-USDT | $17.58 0.0062663 Eth | $1,129,158.00 63,356.330 LINK | 0.7009% |
28 | ![]() | LINK-USDT | $17.54 0.0062549 Eth | $1,046,659.00 59,679.636 LINK | 0.6602% |
29 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.67 0.0062905 Eth | $959,896.00 53,403.920 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5908% |
30 | ![]() | LINK-ETH | $17.53 0.0062497 Eth | $928,816.00 51,738.560 LINK | 0.5724% |
31 | ![]() | LINK-USDT | $17.52 0.0062487 Eth | $911,295.00 51,182.906 LINK | 0.5662% |
32 | ![]() | LINK-EUR | $17.56 0.0062563 Eth | $829,328.00 47,237.708 LINK | 0.5226% |
33 | ![]() | LINK-BTC | $17.56 0.0062533 Eth | $798,787.00 45,192.100 LINK | 0.5000% |
34 | ![]() | LINK-USDT | $17.54 0.0062442 Eth | $765,868.00 43,669.790 LINK | 0.4831% |
35 | ![]() | LINK-USDC | $17.53 0.0062521 Eth | $682,826.00 38,334.150 LINK | 0.4241% |
36 | ![]() | LINK-USDT | $17.54 0.0062562 Eth | $423,723.00 23,804.320 LINK | 0.2633% |
37 | ![]() | LINK-USDT | $17.52 0.0062428 Eth | $299,973.00 17,122.390 LINK | 0.1894% |
38 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.54 0.0062444 Eth | $296,021.00 16,867.033 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1866% |
39 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.64 0.0062894 Eth | $294,018.00 32,792.262 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3628% |
40 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.59 0.0062639 Eth | $278,683.00 15,478.441 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1712% |
41 | ![]() | LINK-BTC | $17.55 0.0062554 Eth | $273,267.00 15,567.260 LINK | 0.1722% |
42 | ![]() | LINK-GBP | $17.59 0.0062631 Eth | $264,275.00 15,020.520 LINK | 0.1662% |
43 | ![]() | LINK-BTC | $17.55 0.0062565 Eth | $256,769.00 14,631.290 LINK | 0.1619% |
44 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.59 0.0062637 Eth | $247,029.00 249,996.236 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7657% |
45 | ![]() | LINK-BTC | $17.52 0.0062457 Eth | $208,785.00 11,920.077 LINK | 0.1319% |
46 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.59 0.0062636 Eth | $204,796.00 11,496.758 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1272% |
47 | ![]() | LINK-JPY | $17.54 0.0062546 Eth | $199,854.00 11,394.912 LINK | 0.1261% |
48 | ![]() | LINK-TRY | $17.71 0.0063165 Eth | $187,120.00 10,454.830 LINK | 0.1157% |
49 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.56 0.0062507 Eth | $165,637.00 9,183.188 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1016% |
50 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.57 0.0062553 Eth | $161,733.00 9,038.434 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1000% |
51 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.61 0.0062689 Eth | $145,640.00 8,185.979 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0906% |
52 | ![]() | LINK-ETH | $17.53 0.0062515 Eth | $129,988.00 7,414.190 LINK | 0.0820% |
53 | ![]() | LINK-JPY | $17.52 0.0062456 Eth | $102,999.00 5,880.300 LINK | 0.0651% |
54 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.57 0.0062551 Eth | $94,184.00 5,241.044 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0580% |
55 | ![]() | LINK-ETH | $17.62 0.0062823 Eth | $91,534.00 5,194.640 LINK | 0.0575% |
56 | ![]() | LINK-USDC | $17.53 0.0062413 Eth | $89,702.00 5,052.007 LINK | 0.0559% |
57 | ![]() | LINK-ETH | $17.54 0.0062497 Eth | $82,390.00 4,697.820 LINK | 0.0520% |
58 | ![]() | LINK-BTC | $17.56 0.0062579 Eth | $81,262.00 4,628.310 LINK | 0.0512% |
59 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.63 0.0062851 Eth | $73,348.00 4,124.476 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0456% |
60 | ![]() | LINK-USDC | $17.52 0.0062500 Eth | $71,599.00 4,085.610 LINK | 0.0452% |
61 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $17.71 0.0063046 Eth | $47,842.00 2,668.376 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0295% |
62 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.57 0.0062629 Eth | $47,747.00 48,400.530 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5354% |
63 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.61 0.0062709 Eth | $46,725.00 2,644.520 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0293% |
64 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.56 0.0062528 Eth | $45,190.00 45,860.225 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5073% |
65 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.60 0.0062651 Eth | $43,304.00 2,450.618 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0271% |
66 | ![]() | LINK-USD | $17.54 0.0062549 Eth | $40,693.00 2,319.741 LINK | 0.0257% |
67 | ![]() | LINK-TRY | $17.44 0.0062354 Eth | $37,340.00 2,140.761 LINK | 0.0237% |
68 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.55 0.0062555 Eth | $34,085.00 1,895.340 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0210% |
69 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $17.58 0.0062589 Eth | $27,074.00 1,578.940 0X5947BB275C521040051D82396192181B413227A3 | 0.0175% |
70 | ![]() | LINK-BTC | $17.61 0.0062765 Eth | $21,983.00 1,248.115 LINK | 0.0138% |
71 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.52 0.0062386 Eth | $20,929.00 29.045 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
72 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.58 0.0062670 Eth | $17,226.73 17,448.060 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1930% |
73 | ![]() | LINK-ETH | $17.54 0.0062447 Eth | $16,723.04 953.470 LINK | 0.0105% |
74 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.57 0.0062553 Eth | $15,387.25 877.136 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0097% |
75 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.58 0.0062684 Eth | $12,638.48 710.683 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0079% |
76 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $17.51 0.0062452 Eth | $7,423.48 419.364 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0046% |
77 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.57 0.0062632 Eth | $6,826.69 6,917.402 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0765% |
78 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $17.58 0.0062682 Eth | $6,759.90 379.318 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0042% |
79 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.49 0.0062354 Eth | $6,239.92 753.499 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0083% |
80 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.56 0.0062555 Eth | $5,240.45 292.580 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0032% |
81 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $17.58 0.0062602 Eth | $5,088.94 287.982 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0032% |
82 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD93F7E271CB87C23AAA73EDC008A79646D1F9912 | $17.56 0.0062510 Eth | $4,648.04 263.594 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0029% |
83 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.61 0.0062756 Eth | $4,619.16 260.073 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0029% |
84 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.59 0.0062680 Eth | $4,216.59 4,272.450 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0473% |
85 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.56 0.0062604 Eth | $4,144.59 16.964 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
86 | ![]() | LINK-USDC | $17.59 0.0062699 Eth | $3,930.00 221.391 LINK | 0.0024% |
87 | ![]() | 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.57 0.0062612 Eth | $3,507.19 3,554.368 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | 0.0393% |
88 | ![]() | LINK-BTC | $17.60 0.0062731 Eth | $3,112.49 175.691 LINK | 0.0019% |
89 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $17.57 0.0062639 Eth | $2,939.70 161.557 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0018% |
90 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.59 0.0062709 Eth | $2,801.55 156.088 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0017% |
91 | ![]() | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.53 0.0062486 Eth | $1,640.88 6.721 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0001% |
92 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $17.57 0.0062615 Eth | $1,612.77 91.331 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0010% |
93 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.55 0.0062579 Eth | $1,454.62 81.087 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
94 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $17.49 0.0062354 Eth | $1,301.09 74.782 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0008% |
95 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XD036414FA2BCBB802691491E323BFF1348C5F4BA | $17.45 0.0062175 Eth | $892.83 48.641 0X5947BB275C521040051D82396192181B413227A3 | 0.0005% |
96 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $17.58 0.0062695 Eth | $733.51 40.972 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0005% |
97 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.53 0.0062508 Eth | $698.54 38.276 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0004% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $17.55 0.0062604 Eth | $513.38 28.774 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.65 0.0062936 Eth | $345.27 19.351 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
100 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.48 0.0062285 Eth | $254.57 13.204 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0001% |
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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