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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
736,045 ( 0.039%)
Market
Price
$18.90 @ 0.006979 ETH (-0.39%)
Onchain Market Cap
$18,900,000,000.00
Circulating Supply Market Cap
$12,051,642,685.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
598.066546193399 LINKValue
$11,303.46 ( ~4.1740 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $19.07 0.0070506 Eth | $23,038,884.00 1,208,209.110 LINK | 13.2671% |
2 | ![]() | LINK-USDT | $19.07 0.0070450 Eth | $20,702,117.00 1,099,351.251 LINK | 12.0717% |
3 | ![]() | LINK-USD | $19.12 0.0070689 Eth | $18,561,372.00 970,884.620 LINK | 10.6611% |
4 | ![]() | LINK-USDT | $19.13 0.0070650 Eth | $15,992,000.00 847,596.229 LINK | 9.3073% |
5 | ![]() | LINK-USDT | $19.07 0.0070463 Eth | $8,163,628.00 428,111.220 LINK | 4.7010% |
6 | ![]() | LINK-USDT | $19.06 0.0070414 Eth | $5,482,250.00 291,356.623 LINK | 3.1993% |
7 | ![]() | LINK-USDT | $19.02 0.0070428 Eth | $4,330,882.00 227,675.598 LINK | 2.5001% |
8 | ![]() | LINK-USDT | $19.08 0.0070480 Eth | $4,096,927.00 217,499.380 LINK | 2.3883% |
9 | ![]() | LINK-USDT | $19.08 0.0070475 Eth | $3,985,875.00 211,421.740 LINK | 2.3216% |
10 | ![]() | LINK-USDT | $19.01 0.0070374 Eth | $3,618,930.00 190,390.560 LINK | 2.0906% |
11 | ![]() | LINK-USD | $19.06 0.0070395 Eth | $3,564,930.00 187,064.244 LINK | 2.0541% |
12 | ![]() | LINK-USDT | $19.13 0.0070658 Eth | $3,518,421.00 186,748.050 LINK | 2.0506% |
13 | ![]() | LINK-USDT | $19.13 0.0070633 Eth | $3,445,427.00 180,147.919 LINK | 1.9782% |
14 | ![]() | LINK-USDT | $19.02 0.0070433 Eth | $3,021,205.00 158,825.220 LINK | 1.7440% |
15 | ![]() | LINK-FDUSD | $18.89 0.0070215 Eth | $2,847,576.00 151,127.020 LINK | 1.6595% |
16 | ![]() | LINK-USDT | $19.02 0.0070428 Eth | $2,722,641.00 143,130.310 LINK | 1.5717% |
17 | ![]() | LINK-USDT | $19.00 0.0070363 Eth | $2,350,443.00 124,692.689 LINK | 1.3692% |
18 | ![]() | LINK-USDT | $18.92 0.0070278 Eth | $2,180,618.00 115,255.760 LINK | 1.2656% |
19 | ![]() | LINK-USDT | $18.99 0.0070341 Eth | $1,919,623.00 101,068.558 LINK | 1.1098% |
20 | ![]() | LINK-USDT | $18.98 0.0070377 Eth | $1,890,587.00 100,421.635 LINK | 1.1027% |
21 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.01 0.0070208 Eth | $1,675,624.00 88,268.778 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.9693% |
22 | ![]() | LINK-USDT | $19.06 0.0070419 Eth | $1,635,692.00 86,752.439 LINK | 0.9526% |
23 | ![]() | LINK-EUR | $18.99 0.0070399 Eth | $1,519,748.00 80,044.028 LINK | 0.8789% |
24 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.04 0.0070311 Eth | $1,484,461.00 78,072.042 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.8573% |
25 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.03 0.0070293 Eth | $1,419,617.00 74,674.844 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.8200% |
26 | ![]() | LINK-USDT | $18.99 0.0070326 Eth | $1,278,267.00 67,320.590 LINK | 0.7392% |
27 | ![]() | LINK-USDT | $19.08 0.0070487 Eth | $1,254,861.00 66,528.000 LINK | 0.7305% |
28 | ![]() | LINK-ETH | $18.98 0.0070280 Eth | $1,206,584.00 63,579.200 LINK | 0.6981% |
29 | ![]() | LINK-EUR | $19.04 0.0070478 Eth | $1,203,443.00 63,220.520 LINK | 0.6942% |
30 | ![]() | LINK-BTC | $19.00 0.0070434 Eth | $969,296.00 51,746.900 LINK | 0.5682% |
31 | ![]() | LINK-USDT | $18.99 0.0070334 Eth | $952,510.00 50,467.604 LINK | 0.5542% |
32 | ![]() | LINK-USDT | $18.92 0.0070261 Eth | $840,493.00 44,548.860 LINK | 0.4892% |
33 | ![]() | LINK-GBP | $19.05 0.0070542 Eth | $754,510.00 39,600.720 LINK | 0.4348% |
34 | ![]() | LINK-USDC | $19.01 0.0070418 Eth | $739,149.00 39,192.050 LINK | 0.4304% |
35 | ![]() | LINK-JPY | $19.08 0.0070582 Eth | $604,196.00 31,664.972 LINK | 0.3477% |
36 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.99 0.0070216 Eth | $505,546.00 26,481.527 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2908% |
37 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $19.04 0.0070399 Eth | $496,439.00 26,340.484 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2892% |
38 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.02 0.0070256 Eth | $475,270.00 470,225.713 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 5.1634% |
39 | ![]() | LINK-BTC | $19.10 0.0070543 Eth | $443,561.00 23,221.650 LINK | 0.2550% |
40 | ![]() | LINK-USDT | $18.96 0.0070205 Eth | $393,529.00 20,753.320 LINK | 0.2279% |
41 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.01 0.0070206 Eth | $348,609.00 18,350.817 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2015% |
42 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.01 0.0070272 Eth | $337,959.00 17,986.915 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1975% |
43 | ![]() | LINK-USDT | $19.06 0.0070426 Eth | $329,196.00 17,272.540 LINK | 0.1897% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.01 0.0070218 Eth | $325,424.00 17,362.239 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1907% |
45 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.03 0.0070266 Eth | $322,610.00 32,965.621 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3620% |
46 | ![]() | LINK-BTC | $19.03 0.0070459 Eth | $308,001.00 16,184.211 LINK | 0.1777% |
47 | ![]() | LINK-USDT | $19.09 0.0070532 Eth | $268,781.00 14,081.418 LINK | 0.1546% |
48 | ![]() | LINK-BTC | $19.07 0.0070515 Eth | $260,979.00 13,684.520 LINK | 0.1503% |
49 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.03 0.0070358 Eth | $250,280.00 13,289.370 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1459% |
50 | ![]() | LINK-USDC | $19.08 0.0070486 Eth | $240,552.00 12,754.130 LINK | 0.1401% |
51 | ![]() | LINK-USD | $19.13 0.0070668 Eth | $198,189.00 10,358.706 LINK | 0.1137% |
52 | ![]() | LINK-TRY | $19.11 0.0070771 Eth | $196,523.00 10,354.520 LINK | 0.1137% |
53 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.10 0.0070524 Eth | $189,062.00 10,039.138 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.1102% |
54 | ![]() | LINK-JPY | $18.69 0.0069215 Eth | $115,100.00 6,156.900 LINK | 0.0676% |
55 | ![]() | LINK-BTC | $19.13 0.0070686 Eth | $106,862.00 5,586.340 LINK | 0.0613% |
56 | ![]() | LINK-USDC | $19.05 0.0070379 Eth | $100,545.00 5,348.722 LINK | 0.0587% |
57 | ![]() | LINK-BTC | $19.00 0.0070414 Eth | $95,811.00 5,043.870 LINK | 0.0554% |
58 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.97 0.0070245 Eth | $94,141.00 93,425.844 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.0259% |
59 | ![]() | LINK-USDC | $18.85 0.0070117 Eth | $87,014.00 4,616.340 LINK | 0.0507% |
60 | ![]() | LINK-GBP | $18.88 0.0069751 Eth | $82,994.00 4,395.226 LINK | 0.0483% |
61 | ![]() | LINK-PLN | $19.01 0.0070216 Eth | $82,951.00 0.000 LINK | 0.0000% |
62 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.03 0.0070282 Eth | $82,323.00 81,500.459 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.8949% |
63 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $19.01 0.0070206 Eth | $75,555.00 4,035.573 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0443% |
64 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $19.00 0.0070211 Eth | $73,428.00 3,868.178 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0425% |
65 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.97 0.0070245 Eth | $73,209.00 3,859.290 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0424% |
66 | ![]() | LINK-USDC | $19.14 0.0070684 Eth | $59,047.00 3,085.102 LINK | 0.0339% |
67 | ![]() | LINK-USDT | $19.11 0.0070611 Eth | $55,805.00 2,920.362 LINK | 0.0321% |
68 | ![]() | LINK-USD | $19.09 0.0070553 Eth | $51,817.00 2,713.897 LINK | 0.0298% |
69 | ![]() | LINK-TRY | $18.69 0.0069543 Eth | $39,660.00 2,121.926 LINK | 0.0233% |
70 | ![]() | LINK-THB | $19.04 0.0070339 Eth | $38,560.00 2,025.672 LINK | 0.0222% |
71 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.03 0.0070266 Eth | $35,211.00 1,876.843 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0206% |
72 | ![]() | LINK-ETH | $19.06 0.0070390 Eth | $24,303.00 1,275.350 LINK | 0.0140% |
73 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.03 0.0070289 Eth | $23,122.00 1,232.569 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0135% |
74 | ![]() | LINK-BTC | $19.12 0.0070636 Eth | $22,723.00 1,188.725 LINK | 0.0131% |
75 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.94 0.0070131 Eth | $21,262.00 28.888 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
76 | ![]() | LINK-BRL | $18.89 0.0069860 Eth | $19,829.35 1,049.961 LINK | 0.0115% |
77 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.95 0.0070193 Eth | $18,664.04 18,540.213 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.2036% |
78 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.87 0.0069876 Eth | $18,569.20 2,133.697 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0234% |
79 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.87 0.0070044 Eth | $17,679.15 934.446 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0103% |
80 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.97 0.0070254 Eth | $17,238.92 915.310 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0101% |
81 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.05 0.0070452 Eth | $12,247.48 650.955 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0071% |
82 | ![]() | LINK-ETH | $19.06 0.0070416 Eth | $10,950.67 574.650 LINK | 0.0063% |
83 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $19.03 0.0070282 Eth | $9,184.56 487.580 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0054% |
84 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $18.98 0.0070185 Eth | $8,593.99 458.012 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0050% |
85 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.98 0.0070257 Eth | $8,155.87 435.057 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0048% |
86 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.98 0.0070371 Eth | $7,995.80 420.619 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0046% |
87 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.85 0.0069802 Eth | $6,277.58 331.788 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0036% |
88 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.97 0.0070268 Eth | $6,217.37 330.135 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0036% |
89 | ![]() | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.99 0.0070320 Eth | $5,794.04 22.399 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0002% |
90 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.98 0.0070275 Eth | $4,782.42 251.824 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0028% |
91 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $18.97 0.0070403 Eth | $4,464.04 231.786 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0025% |
92 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.94 0.0070370 Eth | $4,184.90 220.918 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0024% |
93 | ![]() | LINK-BTC | $18.93 0.0070118 Eth | $3,724.11 198.933 LINK | 0.0022% |
94 | ![]() | LINK-USDC | $18.93 0.0070097 Eth | $3,506.59 185.835 LINK | 0.0020% |
95 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.93 0.0070304 Eth | $2,949.37 2,934.017 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0322% |
96 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XD036414FA2BCBB802691491E323BFF1348C5F4BA | $18.78 0.0069604 Eth | $2,561.99 134.154 0X5947BB275C521040051D82396192181B413227A3 | 0.0015% |
97 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.93 0.0070123 Eth | $1,962.32 104.819 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0012% |
98 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $18.88 0.0070134 Eth | $1,698.45 88.810 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0010% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $18.83 0.0069928 Eth | $820.48 43.496 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0005% |
100 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.89 0.0070056 Eth | $476.54 475.786 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0052% |
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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