ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
739,036 ( 0.013%)
Market
Price
$16.83 @ 0.006180 ETH (-5.43%)
Onchain Market Cap
$16,830,000,000.00
Circulating Supply Market Cap
$10,756,220,622.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $16.82 0.0061723 Eth | $39,799,542.00 2,288,642.040 LINK | 26.6525% |
2 | ![]() | LINK-USDT | $16.81 0.0061689 Eth | $12,610,306.00 718,931.077 LINK | 8.3723% |
3 | ![]() | LINK-USD | $16.81 0.0061680 Eth | $11,818,605.00 702,944.440 LINK | 8.1862% |
4 | ![]() | LINK-USDT | $16.80 0.0061650 Eth | $9,331,783.00 538,256.969 LINK | 6.2683% |
5 | ![]() | LINK-USDT | $16.83 0.0061654 Eth | $8,078,769.00 479,987.260 LINK | 5.5897% |
6 | ![]() | LINK-USDT | $16.81 0.0061721 Eth | $5,932,767.00 352,889.250 LINK | 4.1096% |
7 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $16.83 0.0061803 Eth | $5,189,921.00 305,472.981 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.5574% |
8 | ![]() | LINK-USDT | $16.82 0.0061768 Eth | $4,178,388.00 243,293.540 LINK | 2.8333% |
9 | ![]() | LINK-USDT | $16.81 0.0061687 Eth | $3,926,284.00 225,814.150 LINK | 2.6297% |
10 | ![]() | LINK-EUR | $16.82 0.0061700 Eth | $3,912,385.00 232,624.560 LINK | 2.7090% |
11 | ![]() | LINK-USDC | $16.85 0.0061773 Eth | $3,780,144.00 224,354.700 LINK | 2.6127% |
12 | ![]() | LINK-USDT | $16.81 0.0061723 Eth | $3,469,514.00 199,036.430 LINK | 2.3179% |
13 | ![]() | LINK-USDT | $16.82 0.0061676 Eth | $2,570,341.00 152,798.709 LINK | 1.7794% |
14 | ![]() | LINK-USDT | $16.83 0.0061644 Eth | $2,341,777.00 139,212.480 LINK | 1.6212% |
15 | ![]() | LINK-USDT | $16.86 0.0061756 Eth | $2,128,930.00 126,245.840 LINK | 1.4702% |
16 | ![]() | LINK-USDT | $16.85 0.0061734 Eth | $2,030,006.00 116,433.236 LINK | 1.3559% |
17 | ![]() | LINK-USDT | $16.84 0.0061781 Eth | $1,882,930.00 111,810.980 LINK | 1.3021% |
18 | ![]() | LINK-USDT | $16.84 0.0061691 Eth | $1,259,062.00 74,760.766 LINK | 0.8706% |
19 | ![]() | LINK-USDT | $16.82 0.0061625 Eth | $1,191,561.00 68,008.280 LINK | 0.7920% |
20 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $16.89 0.0061944 Eth | $1,158,251.00 67,956.738 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7914% |
21 | ![]() | LINK-EUR | $16.89 0.0061863 Eth | $999,735.00 59,201.312 LINK | 0.6894% |
22 | ![]() | LINK-BTC | $16.81 0.0061693 Eth | $934,485.00 53,525.800 LINK | 0.6233% |
23 | ![]() | LINK-ETH | $16.85 0.0061730 Eth | $900,533.00 52,496.480 LINK | 0.6114% |
24 | ![]() | LINK-USDT | $16.83 0.0061716 Eth | $870,638.00 49,656.201 LINK | 0.5783% |
25 | ![]() | LINK-EUR | $16.84 0.0061684 Eth | $671,688.00 39,893.950 LINK | 0.4646% |
26 | ![]() | LINK-USDC | $16.88 0.0061809 Eth | $662,613.00 37,752.220 LINK | 0.4396% |
27 | ![]() | LINK-JPY | $16.90 0.0061890 Eth | $631,064.00 37,341.266 LINK | 0.4349% |
28 | ![]() | LINK-USDT | $16.82 0.0061682 Eth | $584,348.00 33,696.207 LINK | 0.3924% |
29 | ![]() | LINK-GBP | $16.83 0.0061665 Eth | $580,633.00 34,496.520 LINK | 0.4017% |
30 | ![]() | LINK-USDT | $16.83 0.0061743 Eth | $448,785.00 26,665.787 LINK | 0.3105% |
31 | ![]() | LINK-USDT | $16.89 0.0061999 Eth | $405,079.00 23,986.540 LINK | 0.2793% |
32 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $16.82 0.0061719 Eth | $338,383.00 19,660.960 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2290% |
33 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $16.89 0.0061972 Eth | $330,978.00 19,126.874 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2227% |
34 | ![]() | LINK-USD | $16.86 0.0061847 Eth | $317,389.00 18,829.257 LINK | 0.2193% |
35 | ![]() | LINK-BTC | $16.89 0.0061871 Eth | $304,482.00 18,028.010 LINK | 0.2099% |
36 | ![]() | LINK-ETH | $16.84 0.0061761 Eth | $279,764.00 16,410.340 LINK | 0.1911% |
37 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $16.89 0.0061972 Eth | $278,270.00 288,765.745 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.3628% |
38 | ![]() | LINK-BTC | $16.83 0.0061717 Eth | $271,692.00 16,141.880 LINK | 0.1880% |
39 | ![]() | LINK-ETH | $16.86 0.0061758 Eth | $236,708.00 14,041.980 LINK | 0.1635% |
40 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $16.88 0.0061901 Eth | $215,315.00 12,344.154 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1438% |
41 | ![]() | LINK-ETH | $16.86 0.0061760 Eth | $205,048.00 11,967.600 LINK | 0.1394% |
42 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.89 0.0061972 Eth | $197,009.00 11,521.856 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1342% |
43 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $16.84 0.0061821 Eth | $185,490.00 21,403.919 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2493% |
44 | ![]() | LINK-TRY | $16.97 0.0062151 Eth | $181,806.00 10,316.580 LINK | 0.1201% |
45 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $16.85 0.0061827 Eth | $178,690.00 10,432.106 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1215% |
46 | ![]() | LINK-USDC | $16.81 0.0061674 Eth | $167,708.00 9,703.848 LINK | 0.1130% |
47 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $16.86 0.0061874 Eth | $162,393.00 9,426.769 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1098% |
48 | ![]() | LINK-USDT | $16.82 0.0061626 Eth | $160,391.00 9,159.000 LINK | 0.1067% |
49 | ![]() | LINK-JPY | $16.82 0.0061652 Eth | $140,214.00 8,338.600 LINK | 0.0971% |
50 | ![]() | LINK-THB | $16.85 0.0061725 Eth | $125,454.00 7,445.212 LINK | 0.0867% |
51 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $16.84 0.0061807 Eth | $111,456.00 6,353.540 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0740% |
52 | ![]() | LINK-BTC | $16.83 0.0061673 Eth | $109,410.00 6,499.420 LINK | 0.0757% |
53 | ![]() | LINK-GBP | $16.85 0.0061873 Eth | $105,147.00 6,238.962 LINK | 0.0727% |
54 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.87 0.0061885 Eth | $100,280.00 5,865.698 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0683% |
55 | ![]() | LINK-USDC | $16.81 0.0061674 Eth | $98,361.00 5,851.690 LINK | 0.0681% |
56 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.88 0.0061878 Eth | $97,746.00 5,709.871 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0665% |
57 | ![]() | LINK-ETH | $16.85 0.0061787 Eth | $92,765.00 5,505.100 LINK | 0.0641% |
58 | ![]() | LINK-EUR | $16.75 0.0061443 Eth | $92,383.00 5,410.670 LINK | 0.0630% |
59 | ![]() | LINK-BTC | $16.83 0.0061673 Eth | $83,917.00 4,985.010 LINK | 0.0581% |
60 | ![]() | LINK-USDC | $16.87 0.0061950 Eth | $73,365.00 4,347.697 LINK | 0.0506% |
61 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $16.89 0.0061944 Eth | $72,232.00 4,144.318 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0483% |
62 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $16.92 0.0062048 Eth | $66,194.00 3,872.950 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0451% |
63 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $16.89 0.0061944 Eth | $51,513.00 53,588.300 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6241% |
64 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $16.87 0.0061925 Eth | $48,632.00 50,665.291 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5900% |
65 | ![]() | LINK-USD | $16.87 0.0061785 Eth | $41,717.00 2,473.305 LINK | 0.0288% |
66 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $16.93 0.0062076 Eth | $33,995.00 2,054.429 0X5947BB275C521040051D82396192181B413227A3 | 0.0239% |
67 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $16.88 0.0061977 Eth | $32,208.00 33,205.208 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.3867% |
68 | ![]() | LINK-ETH | $16.84 0.0061729 Eth | $31,729.00 1,884.600 LINK | 0.0219% |
69 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $16.86 0.0061856 Eth | $30,959.00 1,832.515 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0213% |
70 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.83 0.0061805 Eth | $30,207.00 1,766.482 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0206% |
71 | ![]() | LINK-BTC | $16.82 0.0061714 Eth | $27,069.00 1,609.142 LINK | 0.0187% |
72 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $16.84 0.0061821 Eth | $24,294.00 1,407.778 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0164% |
73 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $16.95 0.0062140 Eth | $16,462.04 990.650 0X5947BB275C521040051D82396192181B413227A3 | 0.0115% |
74 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.02 0.0062390 Eth | $14,242.18 806.755 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0094% |
75 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $16.81 0.0061675 Eth | $13,407.42 780.519 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0091% |
76 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $16.85 0.0061837 Eth | $10,409.19 15.082 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
77 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $16.90 0.0061923 Eth | $8,404.10 8,703.496 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1014% |
78 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $16.88 0.0061937 Eth | $8,353.42 482.548 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0056% |
79 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $16.87 0.0061821 Eth | $8,333.95 474.746 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0055% |
80 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $16.75 0.0061457 Eth | $7,486.89 431.937 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0050% |
81 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $16.89 0.0062009 Eth | $7,262.17 422.845 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0049% |
82 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $16.92 0.0061985 Eth | $4,594.16 4,760.687 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0554% |
83 | ![]() | LINK-TRY | $16.69 0.0061199 Eth | $4,120.32 246.869 LINK | 0.0029% |
84 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $16.79 0.0061629 Eth | $4,029.24 17.050 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
85 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $16.85 0.0061715 Eth | $3,381.28 418.826 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0049% |
86 | ![]() | LINK-USDC | $16.82 0.0061626 Eth | $3,151.18 179.052 LINK | 0.0021% |
87 | ![]() | LINK-BTC | $16.89 0.0061948 Eth | $3,127.91 177.854 LINK | 0.0021% |
88 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $16.82 0.0061616 Eth | $2,682.74 156.590 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0018% |
89 | ![]() | LINK-USDT | $16.74 0.0061459 Eth | $1,897.14 108.690 LINK | 0.0013% |
90 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $16.75 0.0061363 Eth | $1,156.07 66.122 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0008% |
91 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $16.83 0.0061635 Eth | $1,072.36 45.592 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0005% |
92 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $16.89 0.0061869 Eth | $955.95 53.484 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0006% |
93 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XD036414FA2BCBB802691491E323BFF1348C5F4BA | $16.86 0.0061754 Eth | $908.64 55.221 0X5947BB275C521040051D82396192181B413227A3 | 0.0006% |
94 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $16.77 0.0061439 Eth | $901.76 52.252 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
95 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $16.88 0.0061837 Eth | $877.53 51.248 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
96 | ![]() | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | $16.84 0.0061662 Eth | $843.97 859.873 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0100% |
97 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $16.78 0.0061470 Eth | $818.65 47.836 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $16.73 0.0061261 Eth | $375.51 21.421 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
99 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0XDA10009CBD5D07DD0CECC66161FC93D7C9000DA1 | $16.97 0.0062154 Eth | $227.59 13.065 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0002% |
100 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X8F3CF7AD23CD3CADBD9735AFF958023239C6A063 | $16.88 0.0061837 Eth | $191.16 10.952 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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