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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
735,337 ( 0.042%)
Market
Price
$18.86 @ 0.007010 ETH (-1.99%)
Onchain Market Cap
$18,860,000,000.00
Circulating Supply Market Cap
$12,029,302,682.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $18.88 0.0070176 Eth | $37,696,406.00 1,960,629.710 LINK | 17.7251% |
2 | ![]() | LINK-USDT | $18.87 0.0070120 Eth | $21,454,627.00 1,117,379.092 LINK | 10.1017% |
3 | ![]() | LINK-USDT | $18.87 0.0070135 Eth | $20,659,818.00 1,094,753.290 LINK | 9.8971% |
4 | ![]() | LINK-USDT | $18.88 0.0070165 Eth | $19,095,418.00 992,704.349 LINK | 8.9746% |
5 | ![]() | LINK-USD | $18.88 0.0070154 Eth | $16,611,552.00 880,082.250 LINK | 7.9564% |
6 | ![]() | LINK-USDT | $18.88 0.0070173 Eth | $7,633,115.00 404,259.250 LINK | 3.6547% |
7 | ![]() | LINK-USDT | $18.80 0.0070037 Eth | $7,395,480.00 393,367.340 LINK | 3.5562% |
8 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.92 0.0070314 Eth | $6,934,705.00 363,079.014 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.2824% |
9 | ![]() | LINK-USDT | $18.88 0.0070150 Eth | $4,698,636.00 243,273.520 LINK | 2.1993% |
10 | ![]() | LINK-USDT | $18.87 0.0070132 Eth | $4,687,446.00 243,037.697 LINK | 2.1972% |
11 | ![]() | LINK-USDT | $18.86 0.0070107 Eth | $3,914,202.00 225,054.728 LINK | 2.0346% |
12 | ![]() | LINK-USDT | $18.84 0.0070037 Eth | $3,795,575.00 197,377.740 LINK | 1.7844% |
13 | ![]() | LINK-USDT | $18.89 0.0070217 Eth | $3,668,540.00 194,191.558 LINK | 1.7556% |
14 | ![]() | LINK-USDT | $18.88 0.0070161 Eth | $3,608,205.00 191,128.080 LINK | 1.7279% |
15 | ![]() | LINK-USDT | $18.87 0.0070148 Eth | $3,301,619.00 171,803.330 LINK | 1.5532% |
16 | ![]() | LINK-USDT | $18.89 0.0070218 Eth | $2,834,499.00 150,045.940 LINK | 1.3565% |
17 | ![]() | LINK-USD | $18.86 0.0070110 Eth | $2,756,309.00 146,108.274 LINK | 1.3209% |
18 | ![]() | LINK-USDT | $18.89 0.0070210 Eth | $2,264,351.00 117,762.151 LINK | 1.0646% |
19 | ![]() | LINK-USDT | $18.87 0.0070142 Eth | $2,079,604.00 110,199.070 LINK | 0.9963% |
20 | ![]() | LINK-EUR | $18.91 0.0070262 Eth | $2,066,909.00 109,327.450 LINK | 0.9884% |
21 | ![]() | LINK-USDT | $18.88 0.0070173 Eth | $2,012,072.00 106,565.320 LINK | 0.9634% |
22 | ![]() | LINK-USDT | $18.88 0.0070174 Eth | $1,928,978.00 100,637.714 LINK | 0.9098% |
23 | ![]() | LINK-USDT | $18.76 0.0069975 Eth | $1,894,651.00 100,969.901 LINK | 0.9128% |
24 | ![]() | LINK-GBP | $18.91 0.0070265 Eth | $1,539,477.00 81,425.390 LINK | 0.7361% |
25 | ![]() | LINK-USDT | $18.88 0.0070176 Eth | $1,500,932.00 78,070.444 LINK | 0.7058% |
26 | ![]() | LINK-USDT | $18.86 0.0070104 Eth | $1,246,967.00 64,752.390 LINK | 0.5854% |
27 | ![]() | LINK-USDT | $18.90 0.0070260 Eth | $1,192,206.00 63,071.756 LINK | 0.5702% |
28 | ![]() | LINK-ETH | $18.86 0.0070112 Eth | $1,158,446.00 60,703.680 LINK | 0.5488% |
29 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.93 0.0070371 Eth | $1,053,819.00 55,190.084 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4989% |
30 | ![]() | LINK-BTC | $18.84 0.0070173 Eth | $1,042,907.00 54,279.000 LINK | 0.4907% |
31 | ![]() | LINK-USDT | $18.86 0.0070082 Eth | $927,186.00 48,389.054 LINK | 0.4375% |
32 | ![]() | LINK-USD | $18.88 0.0070166 Eth | $737,915.00 39,084.472 LINK | 0.3533% |
33 | ![]() | LINK-EUR | $18.89 0.0070215 Eth | $661,630.00 35,021.658 LINK | 0.3166% |
34 | ![]() | LINK-USDT | $18.87 0.0070125 Eth | $651,548.00 33,900.770 LINK | 0.3065% |
35 | ![]() | LINK-USD | $18.87 0.0070130 Eth | $528,696.00 28,017.399 LINK | 0.2533% |
36 | ![]() | LINK-USDT | $18.89 0.0070189 Eth | $475,078.00 25,154.727 LINK | 0.2274% |
37 | ![]() | LINK-BTC | $18.84 0.0070031 Eth | $466,140.00 24,739.460 LINK | 0.2237% |
38 | ![]() | LINK-JPY | $18.90 0.0070232 Eth | $426,470.00 22,567.551 LINK | 0.2040% |
39 | ![]() | LINK-USDT | $18.87 0.0070123 Eth | $398,854.00 20,737.974 LINK | 0.1875% |
40 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.82 0.0069933 Eth | $366,771.00 19,184.687 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1734% |
41 | ![]() | LINK-BTC | $18.86 0.0070110 Eth | $328,409.00 17,412.077 LINK | 0.1574% |
42 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.89 0.0070203 Eth | $328,285.00 334,319.958 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.0224% |
43 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.87 0.0070127 Eth | $325,019.00 16,906.338 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1528% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.88 0.0070164 Eth | $289,102.00 15,150.400 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1370% |
45 | ![]() | LINK-USDT | $18.87 0.0070133 Eth | $273,033.00 14,468.450 LINK | 0.1308% |
46 | ![]() | LINK-BTC | $18.87 0.0070140 Eth | $263,356.00 13,954.220 LINK | 0.1262% |
47 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.87 0.0070113 Eth | $254,300.00 13,367.428 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1208% |
48 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.85 0.0070050 Eth | $246,973.00 13,063.032 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1181% |
49 | ![]() | LINK-USDC | $18.88 0.0070161 Eth | $218,601.00 11,371.624 LINK | 0.1028% |
50 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.83 0.0069989 Eth | $214,385.00 11,232.798 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1016% |
51 | ![]() | LINK-TRY | $18.78 0.0069807 Eth | $203,033.00 10,521.650 LINK | 0.0951% |
52 | ![]() | LINK-USDT | $18.85 0.0070076 Eth | $191,076.00 9,944.000 LINK | 0.0899% |
53 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.93 0.0070371 Eth | $175,634.00 9,115.000 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0824% |
54 | ![]() | LINK-BTC | $18.87 0.0070140 Eth | $174,594.00 9,250.970 LINK | 0.0836% |
55 | ![]() | LINK-USDC | $18.87 0.0070126 Eth | $164,565.00 8,588.529 LINK | 0.0776% |
56 | ![]() | LINK-TRY | $18.95 0.0070420 Eth | $139,093.00 7,211.440 LINK | 0.0652% |
57 | ![]() | LINK-USDT | $18.80 0.0070067 Eth | $128,816.00 6,850.571 LINK | 0.0619% |
58 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.94 0.0070400 Eth | $102,165.00 5,295.822 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0479% |
59 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.84 0.0070033 Eth | $77,354.00 4,052.654 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0366% |
60 | ![]() | LINK-BTC | $18.89 0.0070200 Eth | $68,377.00 3,620.090 LINK | 0.0327% |
61 | ![]() | LINK-USDC | $18.85 0.0070057 Eth | $62,212.00 3,300.930 LINK | 0.0298% |
62 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.95 0.0070418 Eth | $59,187.00 3,101.727 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0280% |
63 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.93 0.0070371 Eth | $53,175.00 54,040.384 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4886% |
64 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.80 0.0069886 Eth | $52,783.00 2,746.493 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0248% |
65 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.78 0.0069796 Eth | $52,426.00 53,744.359 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4859% |
66 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.87 0.0070117 Eth | $52,190.00 2,732.515 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0247% |
67 | ![]() | LINK-GBP | $18.84 0.0070030 Eth | $45,732.00 2,426.905 LINK | 0.0219% |
68 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.78 0.0069814 Eth | $42,124.00 4,898.095 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0443% |
69 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.80 0.0069861 Eth | $41,791.00 3,464.428 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0313% |
70 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.76 0.0069725 Eth | $29,385.00 1,545.968 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0140% |
71 | ![]() | LINK-IDR | $18.91 0.0070287 Eth | $27,380.00 1,447.736 LINK | 0.0131% |
72 | ![]() | LINK-BTC | $18.99 0.0070568 Eth | $26,855.00 1,414.279 LINK | 0.0128% |
73 | ![]() | LINK-USDC | $18.83 0.0069988 Eth | $24,862.00 1,296.120 LINK | 0.0117% |
74 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.80 0.0069894 Eth | $20,322.00 1,055.580 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0095% |
75 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.80 0.0069876 Eth | $18,863.52 977.239 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0088% |
76 | ![]() | LINK-ETH | $18.79 0.0070033 Eth | $18,448.43 981.570 LINK | 0.0089% |
77 | ![]() | LINK-ETH | $18.82 0.0069948 Eth | $16,359.48 869.206 LINK | 0.0079% |
78 | ![]() | LINK-TRY | $18.66 0.0069599 Eth | $15,676.84 839.963 LINK | 0.0076% |
79 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.76 0.0069732 Eth | $13,110.68 18.603 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
80 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.87 0.0070123 Eth | $12,674.42 670.960 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0061% |
81 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.78 0.0069805 Eth | $9,036.47 470.772 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0043% |
82 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.78 0.0069808 Eth | $8,856.20 461.861 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0042% |
83 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.83 0.0069996 Eth | $8,586.42 8,774.450 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0793% |
84 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.84 0.0070013 Eth | $7,039.87 368.714 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0033% |
85 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $18.80 0.0069861 Eth | $6,289.25 326.925 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0030% |
86 | ![]() | LINK-BTC | $18.88 0.0070184 Eth | $3,441.84 178.979 LINK | 0.0016% |
87 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.94 0.0070394 Eth | $3,313.74 13.078 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0001% |
88 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.79 0.0069972 Eth | $2,883.57 2,949.167 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0267% |
89 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.86 0.0070090 Eth | $2,445.91 127.993 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0012% |
90 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.87 0.0070157 Eth | $2,076.92 109.513 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0010% |
91 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.78 0.0069814 Eth | $1,943.94 102.851 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0009% |
92 | ![]() | 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.81 0.0069980 Eth | $1,854.48 1,900.062 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | 0.0172% |
93 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $18.75 0.0069693 Eth | $1,329.46 71.430 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0006% |
94 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $18.81 0.0069909 Eth | $764.30 39.758 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
95 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.87 0.0070157 Eth | $683.05 35.428 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
96 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XD036414FA2BCBB802691491E323BFF1348C5F4BA | $18.83 0.0069997 Eth | $510.29 25.565 0X5947BB275C521040051D82396192181B413227A3 | 0.0002% |
97 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $18.81 0.0069980 Eth | $402.50 21.566 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0002% |
98 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.90 0.0070348 Eth | $283.53 14.880 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0001% |
99 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X8F3CF7AD23CD3CADBD9735AFF958023239C6A063 | $18.84 0.0070011 Eth | $235.68 12.232 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0001% |
100 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0XDA10009CBD5D07DD0CECC66161FC93D7C9000DA1 | $18.91 0.0070443 Eth | $231.61 11.997 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 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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