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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
738,761 ( 0.049%)
Market
Price
$17.56 @ 0.006247 ETH (-1.68%)
Onchain Market Cap
$17,560,000,000.00
Circulating Supply Market Cap
$11,205,551,510.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $17.53 0.0062383 Eth | $32,708,637.00 1,838,452.910 LINK | 19.1526% |
2 | ![]() | LINK-USDT | $17.56 0.0062610 Eth | $19,338,996.00 1,101,273.280 LINK | 11.4728% |
3 | ![]() | LINK-USDT | $17.55 0.0062584 Eth | $12,044,158.00 676,702.857 LINK | 7.0497% |
4 | ![]() | LINK-USD | $17.56 0.0062633 Eth | $9,394,174.00 534,945.250 LINK | 5.5729% |
5 | ![]() | LINK-USDT | $17.56 0.0062555 Eth | $8,991,266.00 504,958.231 LINK | 5.2605% |
6 | ![]() | LINK-USDT | $17.54 0.0062484 Eth | $7,004,411.00 399,320.620 LINK | 4.1600% |
7 | ![]() | LINK-USDT | $17.53 0.0062490 Eth | $6,888,497.00 387,246.020 LINK | 4.0342% |
8 | ![]() | LINK-USDT | $17.59 0.0062714 Eth | $5,974,764.00 335,224.208 LINK | 3.4923% |
9 | ![]() | LINK-USDT | $17.56 0.0062483 Eth | $5,460,440.00 306,707.310 LINK | 3.1952% |
10 | ![]() | LINK-USDT | $17.59 0.0062683 Eth | $3,927,036.00 223,222.900 LINK | 2.3255% |
11 | ![]() | LINK-USDT | $17.58 0.0062666 Eth | $3,294,252.00 184,942.121 LINK | 1.9267% |
12 | ![]() | LINK-USDT | $17.56 0.0062606 Eth | $3,253,312.00 182,831.642 LINK | 1.9047% |
13 | ![]() | LINK-USDT | $17.56 0.0062580 Eth | $3,253,219.00 182,859.010 LINK | 1.9050% |
14 | ![]() | LINK-EUR | $17.53 0.0062520 Eth | $3,220,366.00 183,713.400 LINK | 1.9139% |
15 | ![]() | LINK-USDC | $17.51 0.0062475 Eth | $3,101,228.00 177,093.670 LINK | 1.8449% |
16 | ![]() | LINK-USDT | $17.58 0.0062619 Eth | $3,014,674.00 169,463.380 LINK | 1.7654% |
17 | ![]() | LINK-USDT | $17.58 0.0062659 Eth | $3,013,442.00 171,386.759 LINK | 1.7855% |
18 | ![]() | LINK-USDT | $17.52 0.0062472 Eth | $2,858,638.00 163,135.850 LINK | 1.6995% |
19 | ![]() | LINK-USDT | $17.58 0.0062660 Eth | $2,450,654.00 137,736.940 LINK | 1.4349% |
20 | ![]() | LINK-USDT | $17.55 0.0062518 Eth | $2,085,440.00 118,822.133 LINK | 1.2379% |
21 | ![]() | LINK-USDT | $17.53 0.0062517 Eth | $1,981,568.00 111,351.431 LINK | 1.1600% |
22 | ![]() | LINK-USDT | $17.59 0.0062662 Eth | $1,888,066.00 107,329.290 LINK | 1.1181% |
23 | ![]() | LINK-USDT | $17.54 0.0062482 Eth | $1,793,713.00 102,262.230 LINK | 1.0653% |
24 | ![]() | LINK-USDT | $17.59 0.0062566 Eth | $1,612,132.00 90,527.690 LINK | 0.9431% |
25 | ![]() | LINK-USDT | $17.53 0.0062485 Eth | $1,577,481.00 88,643.060 LINK | 0.9235% |
26 | ![]() | LINK-USD | $17.56 0.0062586 Eth | $1,294,755.00 73,723.489 LINK | 0.7680% |
27 | ![]() | LINK-USDT | $17.56 0.0062629 Eth | $1,128,547.00 63,362.490 LINK | 0.6601% |
28 | ![]() | LINK-USDT | $17.52 0.0062415 Eth | $1,034,476.00 59,052.746 LINK | 0.6152% |
29 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.60 0.0062745 Eth | $927,944.00 51,735.442 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5390% |
30 | ![]() | LINK-ETH | $17.52 0.0062480 Eth | $914,127.00 50,995.520 LINK | 0.5313% |
31 | ![]() | LINK-USDT | $17.54 0.0062528 Eth | $909,502.00 51,097.395 LINK | 0.5323% |
32 | ![]() | LINK-EUR | $17.59 0.0062715 Eth | $797,035.00 45,309.256 LINK | 0.4720% |
33 | ![]() | LINK-BTC | $17.54 0.0062505 Eth | $783,299.00 44,406.100 LINK | 0.4626% |
34 | ![]() | LINK-USDC | $17.53 0.0062531 Eth | $669,428.00 37,579.680 LINK | 0.3915% |
35 | ![]() | LINK-USDT | $17.58 0.0062649 Eth | $302,662.00 17,212.900 LINK | 0.1793% |
36 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.53 0.0062494 Eth | $289,160.00 16,427.776 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1711% |
37 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.59 0.0062687 Eth | $281,300.00 31,445.920 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3276% |
38 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.61 0.0062773 Eth | $275,065.00 15,255.296 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1589% |
39 | ![]() | LINK-BTC | $17.58 0.0062652 Eth | $274,276.00 15,600.780 LINK | 0.1625% |
40 | ![]() | LINK-BTC | $17.57 0.0062667 Eth | $262,451.00 14,941.170 LINK | 0.1557% |
41 | ![]() | LINK-GBP | $17.53 0.0062544 Eth | $244,139.00 13,926.030 LINK | 0.1451% |
42 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.61 0.0062773 Eth | $237,954.00 240,566.439 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.5062% |
43 | ![]() | LINK-BTC | $17.56 0.0062511 Eth | $203,014.00 11,558.974 LINK | 0.1204% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.61 0.0062773 Eth | $195,659.00 10,986.402 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1145% |
45 | ![]() | LINK-JPY | $17.56 0.0062628 Eth | $191,150.00 10,885.721 LINK | 0.1134% |
46 | ![]() | LINK-TRY | $17.74 0.0063298 Eth | $187,258.00 10,466.240 LINK | 0.1090% |
47 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.51 0.0062426 Eth | $170,301.00 9,583.546 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0998% |
48 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.51 0.0062416 Eth | $163,929.00 9,107.721 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0949% |
49 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.62 0.0062809 Eth | $141,552.00 7,955.405 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0829% |
50 | ![]() | LINK-ETH | $17.54 0.0062489 Eth | $131,807.00 7,514.050 LINK | 0.0783% |
51 | ![]() | LINK-ETH | $17.54 0.0062484 Eth | $130,280.00 7,297.590 LINK | 0.0760% |
52 | ![]() | LINK-JPY | $17.52 0.0062444 Eth | $102,999.00 5,880.300 LINK | 0.0613% |
53 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.55 0.0062556 Eth | $91,795.00 5,117.981 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0533% |
54 | ![]() | LINK-USDC | $17.52 0.0062442 Eth | $91,612.00 5,161.706 LINK | 0.0538% |
55 | ![]() | LINK-ETH | $17.54 0.0062493 Eth | $82,280.00 4,692.000 LINK | 0.0489% |
56 | ![]() | LINK-BTC | $17.59 0.0062670 Eth | $82,004.00 4,663.100 LINK | 0.0486% |
57 | ![]() | LINK-USDT | $17.52 0.0062427 Eth | $75,393.00 4,239.510 LINK | 0.0442% |
58 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.54 0.0062496 Eth | $74,489.00 4,190.026 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0437% |
59 | ![]() | LINK-USDC | $17.52 0.0062474 Eth | $72,148.00 4,116.970 LINK | 0.0429% |
60 | ![]() | LINK-TRY | $17.60 0.0062772 Eth | $62,885.00 3,572.340 LINK | 0.0372% |
61 | ![]() | LINK-PLN | $17.54 0.0062554 Eth | $55,420.00 0.000 LINK | 0.0000% |
62 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $17.69 0.0063064 Eth | $48,731.00 2,718.999 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0283% |
63 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.58 0.0062689 Eth | $47,130.00 47,758.165 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4975% |
64 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.58 0.0062678 Eth | $46,035.00 2,610.195 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0272% |
65 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.60 0.0062745 Eth | $44,728.00 45,295.095 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4719% |
66 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.57 0.0062647 Eth | $43,224.00 2,449.592 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0255% |
67 | ![]() | LINK-TRY | $17.44 0.0062199 Eth | $42,205.00 2,419.685 LINK | 0.0252% |
68 | ![]() | LINK-USD | $17.55 0.0062579 Eth | $40,701.00 2,318.884 LINK | 0.0242% |
69 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.55 0.0062602 Eth | $32,647.00 1,814.100 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0189% |
70 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $17.54 0.0062527 Eth | $28,904.00 1,692.659 0X5947BB275C521040051D82396192181B413227A3 | 0.0176% |
71 | ![]() | LINK-BTC | $17.60 0.0062733 Eth | $21,725.00 1,234.641 LINK | 0.0129% |
72 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.58 0.0062674 Eth | $21,203.00 29.334 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
73 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.64 0.0062901 Eth | $17,614.09 17,777.612 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1852% |
74 | ![]() | LINK-ETH | $17.52 0.0062446 Eth | $17,246.36 984.210 LINK | 0.0103% |
75 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.62 0.0062820 Eth | $14,980.77 851.453 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0089% |
76 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.55 0.0062530 Eth | $12,342.16 694.515 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0072% |
77 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $17.51 0.0062408 Eth | $7,419.40 419.364 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0044% |
78 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $17.61 0.0062780 Eth | $6,774.86 380.251 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0040% |
79 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.55 0.0062575 Eth | $6,772.83 6,866.148 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0715% |
80 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.57 0.0062688 Eth | $6,269.37 753.499 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0078% |
81 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.60 0.0062774 Eth | $5,239.73 291.786 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0030% |
82 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $17.57 0.0062658 Eth | $5,087.70 288.321 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0030% |
83 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.63 0.0062875 Eth | $4,753.55 267.622 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0028% |
84 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD93F7E271CB87C23AAA73EDC008A79646D1F9912 | $17.55 0.0062567 Eth | $4,714.97 267.433 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0028% |
85 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.60 0.0062711 Eth | $4,090.21 4,139.679 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0431% |
86 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.61 0.0062785 Eth | $4,077.23 16.640 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
87 | ![]() | LINK-USDC | $17.54 0.0062497 Eth | $3,931.15 221.497 LINK | 0.0023% |
88 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.56 0.0062610 Eth | $3,773.11 212.887 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0022% |
89 | ![]() | 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.57 0.0062699 Eth | $3,508.06 3,554.368 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | 0.0370% |
90 | ![]() | LINK-BTC | $17.61 0.0062771 Eth | $3,106.98 175.699 LINK | 0.0018% |
91 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $17.57 0.0062681 Eth | $2,960.82 162.416 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0017% |
92 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.56 0.0062618 Eth | $2,734.46 152.469 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0016% |
93 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.56 0.0062619 Eth | $1,466.52 81.711 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
94 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $17.59 0.0062651 Eth | $1,420.34 80.275 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0008% |
95 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $17.55 0.0062594 Eth | $1,305.88 74.782 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0008% |
96 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XD036414FA2BCBB802691491E323BFF1348C5F4BA | $17.54 0.0062491 Eth | $899.72 48.772 0X5947BB275C521040051D82396192181B413227A3 | 0.0005% |
97 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $17.57 0.0062612 Eth | $750.08 41.865 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.55 0.0062522 Eth | $475.36 26.677 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.65 0.0062963 Eth | $345.25 19.351 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
100 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.55 0.0062562 Eth | $255.57 13.204 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0001% |
Contract Source Code Verified (Exact Match)
Contract Name:
LinkToken
Compiler Version
v0.4.16+commit.d7661dd9
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *Submitted for verification at Etherscan.io on 2017-09-23 */ pragma solidity ^0.4.16; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { function mul(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal constant returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal constant returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) constant returns (uint256); function transfer(address to, uint256 value) returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) constant returns (uint256); function transferFrom(address from, address to, uint256 value) returns (bool); function approve(address spender, uint256 value) returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } contract ERC677 is ERC20 { function transferAndCall(address to, uint value, bytes data) returns (bool success); event Transfer(address indexed from, address indexed to, uint value, bytes data); } contract ERC677Receiver { function onTokenTransfer(address _sender, uint _value, bytes _data); } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) returns (bool) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) returns (bool) { var _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } /* * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract ERC677Token is ERC677 { /** * @dev transfer token to a contract address with additional data if the recipient is a contact. * @param _to The address to transfer to. * @param _value The amount to be transferred. * @param _data The extra data to be passed to the receiving contract. */ function transferAndCall(address _to, uint _value, bytes _data) public returns (bool success) { super.transfer(_to, _value); Transfer(msg.sender, _to, _value, _data); if (isContract(_to)) { contractFallback(_to, _value, _data); } return true; } // PRIVATE function contractFallback(address _to, uint _value, bytes _data) private { ERC677Receiver receiver = ERC677Receiver(_to); receiver.onTokenTransfer(msg.sender, _value, _data); } function isContract(address _addr) private returns (bool hasCode) { uint length; assembly { length := extcodesize(_addr) } return length > 0; } } contract LinkToken is StandardToken, ERC677Token { uint public constant totalSupply = 10**27; string public constant name = 'ChainLink Token'; uint8 public constant decimals = 18; string public constant symbol = 'LINK'; function LinkToken() public { balances[msg.sender] = totalSupply; } /** * @dev transfer token to a specified address with additional data if the recipient is a contract. * @param _to The address to transfer to. * @param _value The amount to be transferred. * @param _data The extra data to be passed to the receiving contract. */ function transferAndCall(address _to, uint _value, bytes _data) public validRecipient(_to) returns (bool success) { return super.transferAndCall(_to, _value, _data); } /** * @dev transfer token to a specified address. * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint _value) public validRecipient(_to) returns (bool success) { return super.transfer(_to, _value); } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public validRecipient(_spender) returns (bool) { return super.approve(_spender, _value); } /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public validRecipient(_to) returns (bool) { return super.transferFrom(_from, _to, _value); } // MODIFIERS modifier validRecipient(address _recipient) { require(_recipient != address(0) && _recipient != address(this)); _; } }
Contract Security Audit
- Callisto Network - April 14th, 2019 - Security Audit Report
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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