ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,942 ( -0.043%)
Market
Price
$18.31 @ 0.006928 ETH (+1.44%)
Onchain Market Cap
$18,310,000,000.00
Circulating Supply Market Cap
$11,681,404,490.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.78289288 LINKValue
$14.33 ( ~0.00542229618082255 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | LINK-USDT | $18.28 0.0069220 Eth | $22,687,386.00 1,249,429.690 LINK | 14.3862% |
2 | Coinbase Exchange | LINK-USD | $18.28 0.0069243 Eth | $20,270,487.00 1,108,828.140 LINK | 12.7673% |
3 | HTX | LINK-USDT | $18.30 0.0069312 Eth | $19,025,751.00 1,047,599.895 LINK | 12.0623% |
4 | P2B | LINK-USDT | $18.28 0.0069302 Eth | $9,940,407.00 543,745.250 LINK | 6.2608% |
5 | Gate.io | LINK-USDT | $18.27 0.0069214 Eth | $6,674,854.00 368,740.220 LINK | 4.2458% |
6 | OKX | LINK-USDT | $18.28 0.0069229 Eth | $5,713,236.00 314,555.507 LINK | 3.6219% |
7 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.26 0.0069183 Eth | $5,707,364.00 311,850.311 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.5907% |
8 | XT.COM | LINK-USDT | $18.27 0.0069298 Eth | $4,767,933.00 263,032.830 LINK | 3.0286% |
9 | Binance | LINK-USDC | $18.29 0.0069291 Eth | $4,738,622.00 261,615.360 LINK | 3.0123% |
10 | BTSE | LINK-USDT | $18.28 0.0069272 Eth | $4,641,168.00 253,917.052 LINK | 2.9237% |
11 | Coinstore | LINK-USDT | $18.24 0.0069150 Eth | $4,401,592.00 242,942.750 LINK | 2.7973% |
12 | KuCoin | LINK-USDT | $18.28 0.0069221 Eth | $3,620,179.00 198,081.465 LINK | 2.2808% |
13 | Binance | LINK-FDUSD | $18.33 0.0069535 Eth | $3,607,780.00 198,939.090 LINK | 2.2906% |
14 | CoinW | LINK-USDT | $18.32 0.0069419 Eth | $3,600,273.00 196,478.000 LINK | 2.2623% |
15 | Bitunix | LINK-USDT | $18.28 0.0069231 Eth | $3,397,916.00 185,944.520 LINK | 2.1410% |
16 | BYDFi | LINK-USDT | $18.26 0.0069263 Eth | $2,696,069.00 147,627.460 LINK | 1.6998% |
17 | Hotcoin | LINK-USDT | $18.30 0.0069349 Eth | $2,693,496.00 147,170.720 LINK | 1.6946% |
18 | QMall | LINK-USDT | $18.28 0.0069306 Eth | $1,972,716.00 108,825.348 LINK | 1.2530% |
19 | Coinbase Exchange | LINK-EUR | $18.31 0.0069355 Eth | $1,821,584.00 99,477.370 LINK | 1.1454% |
20 | FMCPAY | LINK-USDT | $18.26 0.0069176 Eth | $1,741,643.00 96,066.038 LINK | 1.1061% |
21 | Dex-Trade | LINK-USDT | $18.26 0.0069199 Eth | $1,557,710.00 85,299.890 LINK | 0.9822% |
22 | Bitvavo | LINK-EUR | $18.28 0.0069348 Eth | $1,401,350.00 76,640.623 LINK | 0.8825% |
23 | Biconomy.com | LINK-USDT | $18.28 0.0069294 Eth | $1,302,195.00 71,728.550 LINK | 0.8259% |
24 | FMCPAY | LINK-ETH | $18.27 0.0069226 Eth | $1,109,616.00 60,736.960 LINK | 0.6993% |
25 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.18 0.0068873 Eth | $1,089,632.00 33,311.771 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.3836% |
26 | FMCPAY | LINK-BTC | $18.28 0.0069251 Eth | $949,218.00 52,179.800 LINK | 0.6008% |
27 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.26 0.0069169 Eth | $933,443.00 51,078.292 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5881% |
28 | CoinEx | LINK-USDT | $18.24 0.0069179 Eth | $886,401.00 48,849.019 LINK | 0.5625% |
29 | Coinbase Exchange | LINK-GBP | $18.31 0.0069368 Eth | $860,095.00 46,984.070 LINK | 0.5410% |
30 | PointPay | LINK-USDT | $18.27 0.0069289 Eth | $725,230.00 40,009.843 LINK | 0.4607% |
31 | Trubit | LINK-USDT | $18.26 0.0069242 Eth | $661,308.00 36,415.430 LINK | 0.4193% |
32 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.31 0.0069349 Eth | $566,217.00 30,916.664 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3560% |
33 | EXMO | LINK-USDT | $18.30 0.0069310 Eth | $518,335.00 28,327.887 LINK | 0.3262% |
34 | Phemex | LINK-USDT | $18.28 0.0069251 Eth | $487,687.00 26,675.260 LINK | 0.3071% |
35 | Gemini | LINK-USD | $18.33 0.0069428 Eth | $479,396.00 26,153.596 LINK | 0.3011% |
36 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.25 0.0069169 Eth | $466,482.00 24,582.087 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.2830% |
37 | Bitbank | LINK-JPY | $18.38 0.0069657 Eth | $443,578.00 24,130.586 LINK | 0.2778% |
38 | Binance | LINK-TRY | $18.43 0.0069824 Eth | $378,115.00 20,649.470 LINK | 0.2378% |
39 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.26 0.0069183 Eth | $373,378.00 41,396.288 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.4766% |
40 | QMall | LINK-USDC | $18.28 0.0069262 Eth | $353,927.00 19,504.683 LINK | 0.2246% |
41 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.34 0.0069487 Eth | $345,833.00 19,069.179 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2196% |
42 | BigONE | LINK-USDT | $18.36 0.0069584 Eth | $325,059.00 17,701.690 LINK | 0.2038% |
43 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.26 0.0069194 Eth | $312,211.00 16,789.622 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1933% |
44 | Slex | LINK-ETH | $18.27 0.0069289 Eth | $295,789.00 16,188.500 LINK | 0.1864% |
45 | BitMart | LINK-BTC | $18.27 0.0069244 Eth | $279,567.00 15,299.160 LINK | 0.1762% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.24 0.0069112 Eth | $279,553.00 15,298.580 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1762% |
47 | OKX | LINK-USDC | $18.26 0.0069153 Eth | $240,294.00 13,245.066 LINK | 0.1525% |
48 | Coinbase Exchange | LINK-ETH | $18.31 0.0069336 Eth | $230,716.00 12,602.910 LINK | 0.1451% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.34 0.0069488 Eth | $227,161.00 12,366.882 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1424% |
50 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.34 0.0069488 Eth | $186,181.00 184,299.692 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.1221% |
51 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.23 0.0069061 Eth | $183,636.00 10,168.717 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1171% |
52 | CoinTR | LINK-TRY | $18.40 0.0069779 Eth | $145,169.00 7,935.080 LINK | 0.0914% |
53 | Bitkub | LINK-THB | $18.33 0.0069432 Eth | $144,321.00 7,873.431 LINK | 0.0907% |
54 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.29 0.0069270 Eth | $141,217.00 7,771.598 0X5947BB275C521040051D82396192181B413227A3 | 0.0895% |
55 | GMO Japan | LINK-JPY | $18.37 0.0069631 Eth | $129,884.00 7,071.200 LINK | 0.0814% |
56 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.25 0.0069155 Eth | $123,500.00 6,756.010 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0778% |
57 | Binance | LINK-BNB | $18.28 0.0069230 Eth | $121,741.00 6,454.563 LINK | 0.0743% |
58 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.24 0.0069177 Eth | $113,837.00 6,274.766 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0722% |
59 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.26 0.0069182 Eth | $98,556.00 5,439.146 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0626% |
60 | Uniswap V4 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.24 0.0069187 Eth | $93,900.00 5,184.194 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0597% |
61 | Hotcoin | LINK-BTC | $18.29 0.0069299 Eth | $91,746.00 5,017.030 LINK | 0.0578% |
62 | KuCoin | LINK-USDC | $18.29 0.0069262 Eth | $87,699.00 4,795.736 LINK | 0.0552% |
63 | BYDFi | LINK-USDC | $18.24 0.0069085 Eth | $82,708.00 4,533.790 LINK | 0.0522% |
64 | BitMart | LINK-ETH | $18.27 0.0069229 Eth | $75,532.00 4,134.320 LINK | 0.0476% |
65 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.34 0.0069483 Eth | $71,472.00 3,938.057 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0453% |
66 | Coinbase Exchange | LINK-BTC | $18.27 0.0069229 Eth | $70,584.00 3,863.530 LINK | 0.0445% |
67 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.31 0.0069384 Eth | $46,777.00 2,552.097 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0294% |
68 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.25 0.0069169 Eth | $45,434.00 45,036.907 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5186% |
69 | EXMO | LINK-BTC | $18.44 0.0069862 Eth | $37,039.00 2,008.217 LINK | 0.0231% |
70 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.29 0.0069281 Eth | $30,132.00 1,646.868 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0190% |
71 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.36 0.0069546 Eth | $24,222.00 1,334.838 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0154% |
72 | Hotcoin | LINK-ETH | $18.27 0.0069279 Eth | $22,819.00 1,249.020 LINK | 0.0144% |
73 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.30 0.0069310 Eth | $22,376.00 1,226.415 0X5947BB275C521040051D82396192181B413227A3 | 0.0141% |
74 | Gemini | LINK-BTC | $18.34 0.0069464 Eth | $21,661.00 1,181.129 LINK | 0.0136% |
75 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.28 0.0069273 Eth | $20,128.00 30.960 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0004% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.33 0.0069440 Eth | $17,395.31 939.867 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0108% |
77 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $18.29 0.0069381 Eth | $12,526.59 679.349 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0078% |
78 | HTX | LINK-BTC | $18.26 0.0069146 Eth | $12,006.89 661.004 LINK | 0.0076% |
79 | CoinEx | LINK-USDC | $18.19 0.0069050 Eth | $11,650.44 645.543 LINK | 0.0074% |
80 | Dex-Trade | LINK-ETH | $18.27 0.0069227 Eth | $10,183.26 557.440 LINK | 0.0064% |
81 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.18 0.0068853 Eth | $8,764.48 483.487 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0056% |
82 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.27 0.0069213 Eth | $8,355.58 8,289.657 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0954% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.23 0.0069143 Eth | $7,999.47 440.555 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0051% |
84 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.24 0.0069172 Eth | $7,776.73 32.932 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0004% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $18.26 0.0069180 Eth | $7,759.61 426.504 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0049% |
86 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.22 0.0068994 Eth | $7,676.82 418.717 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0048% |
87 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.33 0.0069447 Eth | $6,942.56 366.768 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0042% |
88 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.25 0.0069170 Eth | $6,008.76 329.673 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0038% |
89 | PancakeSwap V1 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.28 0.0069283 Eth | $5,619.08 296.837 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0034% |
90 | Bitexen | LINK-TRY | $18.25 0.0069229 Eth | $3,749.85 205.434 LINK | 0.0024% |
91 | Lydia Finance | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.18 0.0068964 Eth | $3,652.72 200.611 0X5947BB275C521040051D82396192181B413227A3 | 0.0023% |
92 | CoinEx | LINK-BTC | $18.36 0.0069617 Eth | $3,244.75 176.423 LINK | 0.0020% |
93 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.27 0.0069230 Eth | $2,574.09 2,554.245 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0294% |
94 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.21 0.0068957 Eth | $2,155.99 114.352 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0013% |
95 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.44 0.0069943 Eth | $1,462.81 6.107 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0001% |
96 | Biswap | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.23 0.0069139 Eth | $1,428.90 78.693 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0009% |
97 | Swapsicle | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.24 0.0069089 Eth | $1,316.78 72.151 0X5947BB275C521040051D82396192181B413227A3 | 0.0008% |
98 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.34 0.0069574 Eth | $1,255.12 68.755 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0008% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $18.26 0.0069184 Eth | $935.23 51.671 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
100 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.25 0.0069166 Eth | $827.53 45.820 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0005% |
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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