ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
738,603 ( 0.025%)
Market
Price
$17.60 @ 0.006278 ETH (-0.33%)
Onchain Market Cap
$17,600,000,000.00
Circulating Supply Market Cap
$11,240,145,063.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000000000000000001 LINKValue
$0.00 ( ~0 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $17.61 0.0063116 Eth | $37,595,161.00 0.000 LINK | 0.0000% |
2 | ![]() | LINK-USDT | $17.71 0.0063322 Eth | $35,072,509.00 1,969,117.580 LINK | 19.5559% |
3 | ![]() | LINK-USDT | $17.65 0.0063222 Eth | $21,964,394.00 1,244,575.600 LINK | 12.3602% |
4 | ![]() | LINK-USDT | $17.62 0.0063180 Eth | $20,212,274.00 1,146,893.420 LINK | 11.3901% |
5 | ![]() | LINK-USDT | $17.70 0.0063276 Eth | $13,188,843.00 742,117.823 LINK | 7.3702% |
6 | ![]() | LINK-USDT | $17.69 0.0063240 Eth | $13,134,128.00 737,754.712 LINK | 7.3269% |
7 | ![]() | LINK-USD | $17.68 0.0063295 Eth | $10,365,505.00 586,317.390 LINK | 5.8229% |
8 | ![]() | LINK-USDT | $17.72 0.0063268 Eth | $8,938,795.00 502,257.089 LINK | 4.9881% |
9 | ![]() | LINK-USDT | $17.63 0.0063121 Eth | $7,624,760.00 432,480.140 LINK | 4.2951% |
10 | ![]() | LINK-USDT | $17.58 0.0063077 Eth | $5,473,409.00 307,300.850 LINK | 3.0519% |
11 | ![]() | LINK-USDT | $17.70 0.0063265 Eth | $4,089,544.00 229,598.533 LINK | 2.2802% |
12 | ![]() | LINK-USDT | $17.66 0.0063228 Eth | $3,478,228.00 195,441.490 LINK | 1.9410% |
13 | ![]() | LINK-USDT | $17.68 0.0063167 Eth | $3,316,595.00 187,609.341 LINK | 1.8632% |
14 | ![]() | LINK-USDT | $17.62 0.0063149 Eth | $3,250,330.00 182,727.960 LINK | 1.8147% |
15 | ![]() | LINK-USDT | $17.63 0.0063184 Eth | $2,191,245.00 124,306.377 LINK | 1.2345% |
16 | ![]() | LINK-USDT | $17.56 0.0062996 Eth | $2,156,752.00 121,189.942 LINK | 1.2036% |
17 | ![]() | LINK-USDT | $17.62 0.0063180 Eth | $1,921,998.00 109,058.800 LINK | 1.0831% |
18 | ![]() | LINK-USDT | $17.63 0.0063148 Eth | $1,659,344.00 94,124.731 LINK | 0.9348% |
19 | ![]() | LINK-USDT | $17.69 0.0063250 Eth | $1,537,072.00 86,161.454 LINK | 0.8557% |
20 | ![]() | LINK-USD | $17.70 0.0063292 Eth | $1,475,679.00 83,351.481 LINK | 0.8278% |
21 | ![]() | LINK-USDT | $17.75 0.0063359 Eth | $1,048,362.00 59,058.096 LINK | 0.5865% |
22 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.66 0.0063187 Eth | $957,624.00 53,352.277 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5299% |
23 | ![]() | LINK-ETH | $17.61 0.0063135 Eth | $945,671.00 52,797.920 LINK | 0.5244% |
24 | ![]() | LINK-USDT | $17.69 0.0063258 Eth | $921,918.00 51,678.090 LINK | 0.5132% |
25 | ![]() | LINK-EUR | $17.61 0.0063128 Eth | $888,811.00 50,466.428 LINK | 0.5012% |
26 | ![]() | LINK-BTC | $17.68 0.0063207 Eth | $801,060.00 45,221.000 LINK | 0.4491% |
27 | ![]() | LINK-EUR | $17.69 0.0063230 Eth | $443,337.00 25,066.860 LINK | 0.2489% |
28 | ![]() | LINK-ETH | $17.65 0.0063096 Eth | $379,719.00 21,514.516 LINK | 0.2137% |
29 | ![]() | LINK-GBP | $17.66 0.0063127 Eth | $328,638.00 18,611.890 LINK | 0.1848% |
30 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.64 0.0063051 Eth | $317,112.00 35,459.023 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3522% |
31 | ![]() | LINK-USDT | $17.58 0.0063050 Eth | $291,559.00 16,581.760 LINK | 0.1647% |
32 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.63 0.0063055 Eth | $286,925.00 16,203.906 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1609% |
33 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.61 0.0062998 Eth | $280,207.00 15,658.554 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1555% |
34 | ![]() | LINK-BTC | $17.69 0.0063192 Eth | $275,013.00 15,550.520 LINK | 0.1544% |
35 | ![]() | LINK-JPY | $17.69 0.0063255 Eth | $245,469.00 13,873.670 LINK | 0.1378% |
36 | ![]() | LINK-BTC | $17.66 0.0063184 Eth | $241,415.00 13,670.940 LINK | 0.1358% |
37 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.57 0.0062866 Eth | $216,415.00 219,508.914 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.1800% |
38 | ![]() | LINK-BTC | $17.61 0.0063157 Eth | $212,982.00 12,092.445 LINK | 0.1201% |
39 | ![]() | LINK-TRY | $17.61 0.0063138 Eth | $188,065.00 10,502.630 LINK | 0.1043% |
40 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.57 0.0062866 Eth | $182,747.00 10,251.061 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1018% |
41 | ![]() | LINK-USDC | $17.60 0.0062909 Eth | $171,194.00 9,674.899 LINK | 0.0961% |
42 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.63 0.0063058 Eth | $168,777.00 9,392.375 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0933% |
43 | ![]() | LINK-BRL | $17.76 0.0063516 Eth | $157,270.00 8,857.466 LINK | 0.0880% |
44 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.72 0.0063377 Eth | $142,226.00 7,922.328 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0787% |
45 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.73 0.0063429 Eth | $134,011.00 7,511.850 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0746% |
46 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.62 0.0063032 Eth | $100,196.00 5,594.849 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0556% |
47 | ![]() | LINK-ETH | $17.62 0.0063168 Eth | $98,677.00 5,601.560 LINK | 0.0556% |
48 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.71 0.0063324 Eth | $84,492.00 4,736.279 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0470% |
49 | ![]() | LINK-BTC | $17.69 0.0063206 Eth | $84,065.00 4,752.350 LINK | 0.0472% |
50 | ![]() | LINK-USDT | $17.60 0.0063095 Eth | $83,430.00 4,686.780 LINK | 0.0465% |
51 | ![]() | LINK-ETH | $17.65 0.0063076 Eth | $81,493.00 4,616.480 LINK | 0.0458% |
52 | ![]() | LINK-BTC | $17.66 0.0063237 Eth | $78,765.00 4,459.380 LINK | 0.0443% |
53 | ![]() | LINK-USDC | $17.61 0.0063141 Eth | $70,760.00 4,018.980 LINK | 0.0399% |
54 | ![]() | LINK-TRY | $17.53 0.0062896 Eth | $65,794.00 3,754.260 LINK | 0.0373% |
55 | ![]() | LINK-USD | $17.61 0.0062942 Eth | $47,506.00 2,698.326 LINK | 0.0268% |
56 | ![]() | LINK-USDC | $17.59 0.0062838 Eth | $47,107.00 2,678.634 LINK | 0.0266% |
57 | ![]() | LINK-THB | $17.66 0.0063293 Eth | $45,639.00 2,584.214 LINK | 0.0257% |
58 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.64 0.0063113 Eth | $44,195.00 2,493.425 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0248% |
59 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $17.80 0.0063680 Eth | $43,696.00 2,437.725 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0242% |
60 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.57 0.0062842 Eth | $42,702.00 43,353.962 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4306% |
61 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.61 0.0062909 Eth | $42,232.00 42,797.591 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4250% |
62 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.39 0.0062192 Eth | $38,786.00 2,175.526 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0216% |
63 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.61 0.0062909 Eth | $35,189.00 1,965.257 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0195% |
64 | ![]() | LINK-GBP | $17.61 0.0062957 Eth | $28,779.00 1,634.152 LINK | 0.0162% |
65 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $17.64 0.0063105 Eth | $25,707.00 1,484.316 0X5947BB275C521040051D82396192181B413227A3 | 0.0147% |
66 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.64 0.0063100 Eth | $22,602.00 31.160 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
67 | ![]() | LINK-BTC | $17.76 0.0063488 Eth | $22,289.00 1,255.141 LINK | 0.0125% |
68 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.70 0.0063249 Eth | $15,048.38 15,179.716 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1508% |
69 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.54 0.0062827 Eth | $14,393.46 1,743.110 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0173% |
70 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.61 0.0062998 Eth | $12,891.54 728.548 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0072% |
71 | ![]() | LINK-ETH | $17.64 0.0063140 Eth | $12,686.74 719.380 LINK | 0.0071% |
72 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.70 0.0063289 Eth | $11,155.17 625.701 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0062% |
73 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $17.68 0.0063251 Eth | $8,084.81 451.360 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0045% |
74 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $17.63 0.0063078 Eth | $7,359.02 427.036 0X5947BB275C521040051D82396192181B413227A3 | 0.0042% |
75 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.64 0.0063179 Eth | $6,101.78 339.661 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0034% |
76 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $17.59 0.0062945 Eth | $6,067.62 340.042 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0034% |
77 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.66 0.0063264 Eth | $6,053.61 6,109.487 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0607% |
78 | ![]() | LINK-USDC | $17.80 0.0063777 Eth | $5,926.64 334.858 LINK | 0.0033% |
79 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.66 0.0063200 Eth | $5,133.44 20.858 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
80 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $17.62 0.0062997 Eth | $4,931.22 285.110 0X5947BB275C521040051D82396192181B413227A3 | 0.0028% |
81 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $17.63 0.0063081 Eth | $4,404.65 248.653 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0025% |
82 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.61 0.0063135 Eth | $4,058.98 4,108.815 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0408% |
83 | ![]() | LINK-IDR | $17.73 0.0063436 Eth | $3,902.27 218.060 LINK | 0.0022% |
84 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.61 0.0062999 Eth | $3,734.29 209.775 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0021% |
85 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.62 0.0062971 Eth | $3,379.43 189.322 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0019% |
86 | ![]() | LINK-BTC | $17.68 0.0063342 Eth | $3,112.23 175.400 LINK | 0.0017% |
87 | ![]() | 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.61 0.0062965 Eth | $3,073.00 3,113.179 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | 0.0309% |
88 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $17.67 0.0063325 Eth | $3,026.14 167.133 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0017% |
89 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.65 0.0063253 Eth | $2,726.26 153.169 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0015% |
90 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $17.71 0.0063402 Eth | $2,515.55 139.524 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0014% |
91 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $17.57 0.0062973 Eth | $2,109.01 119.576 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0012% |
92 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $17.67 0.0063325 Eth | $1,513.99 86.309 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0009% |
93 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.60 0.0062997 Eth | $1,353.91 75.754 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0008% |
94 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XD036414FA2BCBB802691491E323BFF1348C5F4BA | $17.66 0.0063309 Eth | $928.40 48.878 0X5947BB275C521040051D82396192181B413227A3 | 0.0005% |
95 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $17.66 0.0063336 Eth | $617.67 34.724 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
96 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $17.71 0.0063497 Eth | $617.54 34.440 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
97 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.55 0.0062797 Eth | $596.54 33.500 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.69 0.0063280 Eth | $473.85 24.668 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.78 0.0063771 Eth | $376.91 21.133 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
100 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.58 0.0063008 Eth | $173.96 9.799 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 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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