ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
725,566 ( -0.020%)
Market
Price
$19.91 @ 0.006086 ETH (-0.49%)
Onchain Market Cap
$19,910,000,000.00
Circulating Supply Market Cap
$12,534,367,245.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
20.05092898162484923 LINKValue
$399.21 ( ~0.122023784117657 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Websea | LINK-USDT | $19.96 0.0061058 Eth | $52,117,482.00 0.000 LINK | 0.0000% |
2 | Binance | LINK-USDT | $19.95 0.0061039 Eth | $51,476,941.00 2,559,015.120 LINK | 20.1250% |
3 | Coinbase Exchange | LINK-USD | $19.96 0.0061072 Eth | $20,596,224.00 1,031,823.240 LINK | 8.1146% |
4 | WEEX | LINK-USDT | $19.92 0.0060952 Eth | $12,540,891.00 623,802.750 LINK | 4.9058% |
5 | Bitget | LINK-USDT | $19.95 0.0061024 Eth | $10,966,585.00 544,703.098 LINK | 4.2837% |
6 | P2B | LINK-USDT | $19.92 0.0060941 Eth | $10,752,359.00 539,801.690 LINK | 4.2452% |
7 | Bybit | LINK-USDT | $19.94 0.0060993 Eth | $9,365,745.00 465,109.861 LINK | 3.6578% |
8 | HTX | LINK-USDT | $19.96 0.0061046 Eth | $8,956,411.00 445,661.599 LINK | 3.5048% |
9 | Poloniex | LINK-USDT | $19.95 0.0061042 Eth | $8,247,039.00 410,048.413 LINK | 3.2248% |
10 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.89 0.0060880 Eth | $8,206,258.00 65,862.184 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.5180% |
11 | BVOX | LINK-USDT | $19.96 0.0061073 Eth | $7,495,555.00 372,833.450 LINK | 2.9321% |
12 | Ourbit | LINK-USDT | $19.99 0.0061079 Eth | $7,163,546.00 355,928.960 LINK | 2.7992% |
13 | DigiFinex | LINK-USDT | $19.96 0.0061060 Eth | $6,198,548.00 310,529.690 LINK | 2.4421% |
14 | MEXC | LINK-USDT | $19.92 0.0060949 Eth | $5,901,631.00 296,256.680 LINK | 2.3299% |
15 | XT.COM | LINK-USDT | $19.88 0.0060988 Eth | $5,197,040.00 258,308.210 LINK | 2.0314% |
16 | FameEX | LINK-USDT | $19.95 0.0061108 Eth | $5,171,638.00 256,992.065 LINK | 2.0211% |
17 | Azbit | LINK-USDT | $19.92 0.0060962 Eth | $5,111,062.00 254,112.916 LINK | 1.9984% |
18 | Deepcoin | LINK-USDT | $19.91 0.0060956 Eth | $5,064,484.00 271,598.040 LINK | 2.1359% |
19 | OKX | LINK-USDT | $19.95 0.0061037 Eth | $4,775,725.00 237,605.143 LINK | 1.8686% |
20 | Coinstore | LINK-USDT | $19.90 0.0060916 Eth | $4,675,005.00 232,586.310 LINK | 1.8291% |
21 | CoinW | LINK-USDT | $19.96 0.0061045 Eth | $4,195,840.00 210,251.100 LINK | 1.6535% |
22 | Bitunix | LINK-USDT | $19.92 0.0060972 Eth | $3,648,965.00 183,174.330 LINK | 1.4405% |
23 | Gate.io | LINK-USDT | $19.97 0.0061073 Eth | $3,542,378.00 175,878.220 LINK | 1.3832% |
24 | Toobit | LINK-USDT | $19.98 0.0061116 Eth | $3,286,023.00 163,365.710 LINK | 1.2848% |
25 | BYDFi | LINK-USDT | $19.93 0.0060993 Eth | $2,859,992.00 143,504.110 LINK | 1.1286% |
26 | Kraken | LINK-USD | $19.93 0.0060960 Eth | $2,842,913.00 142,655.228 LINK | 1.1219% |
27 | Hotcoin | LINK-USDT | $19.94 0.0061012 Eth | $2,764,526.00 138,632.240 LINK | 1.0903% |
28 | LBank | LINK-USDT | $19.88 0.0060978 Eth | $2,544,596.00 127,997.830 LINK | 1.0066% |
29 | LATOKEN | LINK-USDT | $19.92 0.0060935 Eth | $2,500,519.00 125,526.910 LINK | 0.9872% |
30 | BTSE | LINK-USDT | $19.93 0.0061099 Eth | $2,239,831.00 112,380.691 LINK | 0.8838% |
31 | QMall | LINK-USDT | $19.90 0.0060870 Eth | $1,934,520.00 96,221.254 LINK | 0.7567% |
32 | KuCoin | LINK-USDT | $19.98 0.0061060 Eth | $1,818,061.00 90,996.885 LINK | 0.7156% |
33 | FMCPAY | LINK-USDT | $19.95 0.0061024 Eth | $1,683,686.00 83,894.640 LINK | 0.6598% |
34 | Dex-Trade | LINK-USDT | $19.95 0.0061054 Eth | $1,673,106.00 83,869.580 LINK | 0.6596% |
35 | Biconomy.com | LINK-USDT | $19.88 0.0060999 Eth | $1,331,047.00 66,262.790 LINK | 0.5211% |
36 | Coinbase Exchange | LINK-GBP | $19.97 0.0061135 Eth | $1,106,404.00 55,399.250 LINK | 0.4357% |
37 | Coinbase Exchange | LINK-ETH | $19.95 0.0060970 Eth | $1,102,855.00 55,280.870 LINK | 0.4347% |
38 | Bitvavo | LINK-EUR | $19.94 0.0061025 Eth | $1,097,885.00 55,059.802 LINK | 0.4330% |
39 | CoinEx | LINK-USDT | $19.91 0.0060948 Eth | $1,070,543.00 53,183.423 LINK | 0.4183% |
40 | FMCPAY | LINK-ETH | $19.94 0.0060990 Eth | $1,033,031.00 51,266.080 LINK | 0.4032% |
41 | PointPay | LINK-USDT | $19.91 0.0060954 Eth | $801,570.00 39,861.186 LINK | 0.3135% |
42 | Coinbase Exchange | LINK-EUR | $19.92 0.0060992 Eth | $693,844.00 34,823.690 LINK | 0.2739% |
43 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.94 0.0060953 Eth | $661,840.00 32,919.287 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2589% |
44 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.00 0.0061113 Eth | $589,532.00 29,163.118 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2293% |
45 | EXMO | LINK-USDT | $19.98 0.0061056 Eth | $486,810.00 24,366.955 LINK | 0.1916% |
46 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.92 0.0060877 Eth | $458,605.00 22,774.229 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1791% |
47 | Bitbegin | LINK-USDT | $19.95 0.0061064 Eth | $416,192.00 20,727.976 LINK | 0.1630% |
48 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.91 0.0060952 Eth | $412,082.00 30,294.256 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2382% |
49 | Bitbank | LINK-JPY | $19.94 0.0060929 Eth | $387,948.00 19,459.003 LINK | 0.1530% |
50 | BigONE | LINK-USDT | $19.94 0.0061040 Eth | $384,557.00 19,287.640 LINK | 0.1517% |
51 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.94 0.0060934 Eth | $353,069.00 17,622.434 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1386% |
52 | OKX | LINK-USDC | $19.95 0.0061012 Eth | $337,277.00 16,730.948 LINK | 0.1316% |
53 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.92 0.0060877 Eth | $297,298.00 14,805.984 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1164% |
54 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.98 0.0061062 Eth | $287,623.00 289,855.001 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2795% |
55 | BitMart | LINK-BTC | $19.94 0.0060953 Eth | $266,522.00 13,363.200 LINK | 0.1051% |
56 | Coinbase Exchange | LINK-BTC | $19.97 0.0061016 Eth | $234,919.00 11,766.450 LINK | 0.0925% |
57 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.91 0.0060850 Eth | $218,607.00 10,848.305 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0853% |
58 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.98 0.0061073 Eth | $198,427.00 200,189.450 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.5744% |
59 | QMall | LINK-USDC | $19.92 0.0060927 Eth | $196,131.00 9,748.088 LINK | 0.0767% |
60 | Bitci TR | LINK-TRY | $19.95 0.0061038 Eth | $189,943.00 9,422.130 LINK | 0.0741% |
61 | Gemini | LINK-USD | $19.95 0.0061037 Eth | $179,960.00 9,018.859 LINK | 0.0709% |
62 | OKX | LINK-EUR | $19.89 0.0060853 Eth | $158,611.00 7,862.264 LINK | 0.0618% |
63 | Binance US | LINK-USDT | $19.91 0.0060900 Eth | $106,118.00 5,329.830 LINK | 0.0419% |
64 | Gemini | LINK-BTC | $19.93 0.0060976 Eth | $99,785.00 5,005.828 LINK | 0.0394% |
65 | Hotcoin | LINK-BTC | $19.98 0.0061054 Eth | $94,400.00 4,725.350 LINK | 0.0372% |
66 | BitMart | LINK-ETH | $19.96 0.0061010 Eth | $86,576.00 4,336.840 LINK | 0.0341% |
67 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $19.98 0.0061073 Eth | $58,950.00 2,923.750 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0230% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.96 0.0061006 Eth | $58,824.00 2,914.104 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0229% |
69 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.09 0.0061498 Eth | $50,636.00 3,698.251 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0291% |
70 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.99 0.0061087 Eth | $37,974.00 1,927.880 0X5947BB275C521040051D82396192181B413227A3 | 0.0152% |
71 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.95 0.0061068 Eth | $35,664.00 1,772.996 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0139% |
72 | EXMO | LINK-BTC | $19.95 0.0060982 Eth | $35,175.00 1,762.806 LINK | 0.0139% |
73 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.92 0.0060877 Eth | $32,525.00 32,857.882 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.2584% |
74 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.95 0.0060971 Eth | $25,095.00 1,244.485 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0098% |
75 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.98 0.0061073 Eth | $19,737.72 980.427 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0077% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $19.99 0.0061099 Eth | $13,208.20 655.796 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0052% |
77 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $20.04 0.0061240 Eth | $12,127.71 15.952 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
78 | Dex-Trade | LINK-ETH | $19.93 0.0061009 Eth | $11,734.72 588.670 LINK | 0.0046% |
79 | Bitexen | LINK-TRY | $19.83 0.0060696 Eth | $11,131.95 561.375 LINK | 0.0044% |
80 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.97 0.0061090 Eth | $10,067.74 509.316 0X5947BB275C521040051D82396192181B413227A3 | 0.0040% |
81 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.91 0.0060952 Eth | $8,882.76 442.571 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0035% |
82 | CoinEx | LINK-USDC | $19.86 0.0060770 Eth | $6,264.89 310.864 LINK | 0.0024% |
83 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $19.99 0.0061077 Eth | $4,541.35 225.153 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0018% |
84 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.94 0.0061012 Eth | $3,481.15 3,514.304 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0276% |
85 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.97 0.0061203 Eth | $3,201.27 3,222.507 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0253% |
86 | CoinEx | LINK-BTC | $19.87 0.0060824 Eth | $2,697.38 134.999 LINK | 0.0011% |
87 | Uniswap V3 (Arbitrum One) | 0X912CE59144191C1204E64559FE8253A0E49E6548-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.97 0.0061203 Eth | $2,254.26 3,035.378 0X912CE59144191C1204E64559FE8253A0E49E6548 | 0.0239% |
88 | Ace | LINK-USDT | $19.92 0.0060973 Eth | $2,134.63 106.180 LINK | 0.0008% |
89 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.14 0.0061646 Eth | $1,721.34 76.982 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0006% |
90 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.85 0.0060761 Eth | $1,700.92 6.032 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0000% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XB33EAAD8D922B1083446DC23F610C2567FB5180F | $19.76 0.0060381 Eth | $1,589.37 79.237 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0006% |
92 | Lydia Finance | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.87 0.0060815 Eth | $1,311.75 66.575 0X5947BB275C521040051D82396192181B413227A3 | 0.0005% |
93 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $19.95 0.0061161 Eth | $1,264.43 63.315 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0005% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $19.83 0.0060676 Eth | $1,102.98 54.934 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0004% |
95 | Retro | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.92 0.0060981 Eth | $983.06 48.826 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0004% |
96 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $19.96 0.0061080 Eth | $732.85 36.445 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $20.00 0.0061203 Eth | $564.22 28.028 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XB33EAAD8D922B1083446DC23F610C2567FB5180F | $19.84 0.0060720 Eth | $481.40 24.047 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0002% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X8F3CF7AD23CD3CADBD9735AFF958023239C6A063 | $19.91 0.0060974 Eth | $231.13 11.513 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0001% |
100 | Dfyn | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC168E40227E4EBD8C1CAE80F7A55A4F0E6D66C97 | $19.96 0.0061105 Eth | $96.35 4.521 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0000% |
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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