ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,727 (0.00%)
Market
Price
$23.80 @ 0.006494 ETH (+2.03%)
Onchain Market Cap
$23,800,000,000.00
Circulating Supply Market Cap
$14,970,176,334.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
500 LINKValue
$11,900.00 ( ~3.2469 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $23.75 0.0064819 Eth | $65,199,493.00 2,793,851.330 LINK | 23.2905% |
2 | Coinbase Exchange | LINK-USD | $23.81 0.0064981 Eth | $27,378,495.00 1,149,728.920 LINK | 9.5845% |
3 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.92 0.0065206 Eth | $17,737,627.00 749,828.900 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 6.2508% |
4 | MEXC | LINK-USDT | $23.82 0.0064992 Eth | $17,237,926.00 723,650.540 LINK | 6.0326% |
5 | Bybit | LINK-USDT | $23.75 0.0064761 Eth | $16,876,645.00 723,018.358 LINK | 6.0273% |
6 | WEEX | LINK-USDT | $23.66 0.0064742 Eth | $16,231,254.00 695,907.420 LINK | 5.8013% |
7 | P2B | LINK-USDT | $23.85 0.0064884 Eth | $13,327,241.00 558,754.070 LINK | 4.6580% |
8 | CoinW | LINK-USDT | $23.85 0.0064886 Eth | $11,904,467.00 499,088.590 LINK | 4.1606% |
9 | OKX | LINK-USDT | $23.79 0.0064868 Eth | $10,613,927.00 454,372.096 LINK | 3.7878% |
10 | HTX | LINK-USDT | $23.79 0.0064856 Eth | $7,664,807.00 328,184.686 LINK | 2.7359% |
11 | XT.COM | LINK-USDT | $23.79 0.0064910 Eth | $6,641,613.00 284,455.650 LINK | 2.3713% |
12 | Azbit | LINK-USDT | $23.83 0.0064991 Eth | $6,608,108.00 283,225.123 LINK | 2.3611% |
13 | Coinstore | LINK-USDT | $23.78 0.0064838 Eth | $6,132,996.00 262,891.470 LINK | 2.1916% |
14 | Bithumb | LINK-KRW | $23.87 0.0065079 Eth | $4,857,804.00 203,491.032 LINK | 1.6964% |
15 | BYDFi | LINK-USDT | $23.85 0.0065108 Eth | $4,355,316.00 182,597.690 LINK | 1.5222% |
16 | BTSE | LINK-USDT | $23.79 0.0064924 Eth | $3,358,003.00 141,126.075 LINK | 1.1765% |
17 | LATOKEN | LINK-USDT | $23.81 0.0064909 Eth | $3,240,041.00 136,079.890 LINK | 1.1344% |
18 | Hotcoin | LINK-USDT | $23.82 0.0064896 Eth | $2,447,565.00 102,767.140 LINK | 0.8567% |
19 | Dex-Trade | LINK-USDT | $23.77 0.0064851 Eth | $2,166,904.00 91,160.820 LINK | 0.7599% |
20 | Bitvavo | LINK-EUR | $23.85 0.0065089 Eth | $2,134,700.00 89,486.715 LINK | 0.7460% |
21 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.86 0.0065114 Eth | $2,025,479.00 85,767.250 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7150% |
22 | Dcoin | LINK-USDT | $23.80 0.0064933 Eth | $1,932,377.00 81,192.000 LINK | 0.6768% |
23 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.78 0.0064882 Eth | $1,786,866.00 75,814.414 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.6320% |
24 | CoinEx | LINK-USDT | $23.82 0.0065100 Eth | $1,690,528.00 72,554.189 LINK | 0.6048% |
25 | KuCoin | LINK-USDT | $23.75 0.0064760 Eth | $1,593,490.00 67,094.916 LINK | 0.5593% |
26 | tanX | LINK-USDC | $23.81 0.0064976 Eth | $1,182,159.00 50,616.770 LINK | 0.4220% |
27 | PointPay | LINK-USDT | $23.79 0.0064906 Eth | $1,071,362.00 45,920.896 LINK | 0.3828% |
28 | EXMO | LINK-USDT | $23.81 0.0064970 Eth | $953,286.00 40,035.072 LINK | 0.3337% |
29 | Coinbase Exchange | LINK-EUR | $23.79 0.0064918 Eth | $924,481.00 38,854.390 LINK | 0.3239% |
30 | Trubit | LINK-USDT | $23.77 0.0064861 Eth | $923,152.00 39,591.200 LINK | 0.3300% |
31 | Gemini | LINK-USD | $23.75 0.0064774 Eth | $897,117.00 37,765.601 LINK | 0.3148% |
32 | WhiteBIT | LINK-TRY | $23.91 0.0065181 Eth | $840,319.00 35,145.590 LINK | 0.2930% |
33 | Bybit | LINK-USDC | $23.80 0.0064893 Eth | $784,531.00 33,577.130 LINK | 0.2799% |
34 | WhiteBIT | LINK-BTC | $23.80 0.0064888 Eth | $780,640.00 32,796.780 LINK | 0.2734% |
35 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.85 0.0065082 Eth | $754,984.00 31,997.250 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2667% |
36 | Bitstamp | LINK-EUR | $23.79 0.0064879 Eth | $646,568.00 27,174.185 LINK | 0.2265% |
37 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.92 0.0065206 Eth | $625,221.00 40,480.593 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3375% |
38 | Bitbank | LINK-JPY | $23.80 0.0064947 Eth | $563,929.00 23,693.988 LINK | 0.1975% |
39 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.92 0.0065206 Eth | $542,662.00 22,930.499 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.1912% |
40 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.81 0.0064970 Eth | $513,726.00 21,708.448 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1810% |
41 | EarnBIT | LINK-USDT | $23.81 0.0064957 Eth | $513,132.00 21,964.999 LINK | 0.1831% |
42 | Bitstamp | LINK-USD | $23.80 0.0064897 Eth | $453,657.00 19,061.236 LINK | 0.1589% |
43 | Bitbegin | LINK-USDT | $23.61 0.0064758 Eth | $427,313.00 18,320.521 LINK | 0.1527% |
44 | BigONE | LINK-USDT | $23.81 0.0065103 Eth | $424,465.00 17,824.040 LINK | 0.1486% |
45 | Coinbase Exchange | LINK-GBP | $23.79 0.0064917 Eth | $379,465.00 15,948.420 LINK | 0.1330% |
46 | HashKey Exchange | LINK-USD | $23.85 0.0065037 Eth | $344,542.00 14,776.866 LINK | 0.1232% |
47 | Coinbase Exchange | LINK-ETH | $23.79 0.0064917 Eth | $322,574.00 13,557.350 LINK | 0.1130% |
48 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.85 0.0065082 Eth | $300,610.00 294,564.090 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.4556% |
49 | Slex | LINK-ETH | $23.92 0.0065170 Eth | $294,724.00 12,474.080 LINK | 0.1040% |
50 | Coinbase Exchange | LINK-BTC | $23.80 0.0064867 Eth | $283,777.00 11,925.370 LINK | 0.0994% |
51 | BitMart | LINK-BTC | $23.78 0.0064877 Eth | $268,461.00 11,290.120 LINK | 0.0941% |
52 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.86 0.0065098 Eth | $262,635.00 11,253.199 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0938% |
53 | OKX | LINK-USDC | $23.81 0.0064914 Eth | $250,264.00 10,720.480 LINK | 0.0894% |
54 | GMO Japan | LINK-JPY | $23.78 0.0064901 Eth | $244,916.00 10,300.800 LINK | 0.0859% |
55 | Bitci TR | LINK-TRY | $23.77 0.0064782 Eth | $240,707.00 10,294.260 LINK | 0.0858% |
56 | Coinone | LINK-KRW | $23.88 0.0065113 Eth | $179,751.00 7,527.526 LINK | 0.0628% |
57 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.90 0.0065216 Eth | $140,238.00 5,931.865 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0495% |
58 | LATOKEN | LINK-BTC | $23.67 0.0064767 Eth | $108,803.00 4,596.769 LINK | 0.0383% |
59 | Bitkub | LINK-THB | $23.75 0.0064788 Eth | $99,722.00 4,199.522 LINK | 0.0350% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.90 0.0065200 Eth | $96,132.00 4,058.925 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0338% |
61 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.80 0.0064951 Eth | $95,582.00 4,049.754 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0338% |
62 | BitStorage | LINK-ETH | $23.85 0.0065000 Eth | $94,507.00 3,961.760 LINK | 0.0330% |
63 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.81 0.0064973 Eth | $91,678.00 3,881.406 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0324% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.90 0.0065199 Eth | $89,724.00 3,841.804 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0320% |
65 | BitMart | LINK-ETH | $23.82 0.0064980 Eth | $87,071.00 3,655.960 LINK | 0.0305% |
66 | Nonkyc.io | LINK-BTC | $23.92 0.0065204 Eth | $77,021.00 3,275.927 LINK | 0.0273% |
67 | Hotcoin | LINK-BTC | $23.75 0.0064733 Eth | $75,922.00 3,196.090 LINK | 0.0266% |
68 | EXMO | LINK-BTC | $23.84 0.0065056 Eth | $65,355.00 2,741.132 LINK | 0.0229% |
69 | Gemini | LINK-BTC | $23.88 0.0065127 Eth | $62,163.00 2,602.664 LINK | 0.0217% |
70 | BTCMarkets | LINK-AUD | $23.80 0.0064713 Eth | $58,986.00 2,478.861 LINK | 0.0207% |
71 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.82 0.0065007 Eth | $55,125.00 54,036.166 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4505% |
72 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.83 0.0065024 Eth | $53,736.00 2,285.733 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0191% |
73 | KuCoin | LINK-BTC | $23.77 0.0064823 Eth | $50,822.00 2,137.835 LINK | 0.0178% |
74 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.85 0.0065062 Eth | $37,348.00 47.391 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0004% |
75 | Bitexen | LINK-TRY | $23.60 0.0064310 Eth | $32,692.00 1,385.265 LINK | 0.0115% |
76 | CoinEx | LINK-USDC | $23.83 0.0065038 Eth | $31,166.00 1,372.147 LINK | 0.0114% |
77 | Hotcoin | LINK-ETH | $23.83 0.0065024 Eth | $29,092.00 1,220.640 LINK | 0.0102% |
78 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.82 0.0064981 Eth | $27,536.00 1,216.598 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0101% |
79 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.89 0.0065180 Eth | $22,312.00 955.776 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0080% |
80 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.92 0.0065206 Eth | $18,239.90 776.915 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0065% |
81 | Korbit | LINK-KRW | $23.99 0.0065429 Eth | $16,992.89 730.190 LINK | 0.0061% |
82 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $23.84 0.0065039 Eth | $13,743.36 583.590 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0049% |
83 | Dex-Trade | LINK-ETH | $23.90 0.0065204 Eth | $13,387.37 560.150 LINK | 0.0047% |
84 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.86 0.0065094 Eth | $12,692.72 521.823 0X5947BB275C521040051D82396192181B413227A3 | 0.0044% |
85 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.94 0.0065317 Eth | $10,841.66 450.190 0X5947BB275C521040051D82396192181B413227A3 | 0.0038% |
86 | KuCoin | LINK-KCS | $23.80 0.0064910 Eth | $10,731.46 450.815 LINK | 0.0038% |
87 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.90 0.0065206 Eth | $9,167.81 389.036 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0032% |
88 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.77 0.0064860 Eth | $7,356.66 314.810 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0026% |
89 | Binance US | LINK-BTC | $23.70 0.0064678 Eth | $7,051.24 297.500 LINK | 0.0025% |
90 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.92 0.0065192 Eth | $6,140.14 6,004.377 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0501% |
91 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.86 0.0065122 Eth | $6,102.31 5,969.345 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0498% |
92 | Ace | LINK-USDT | $23.82 0.0064937 Eth | $2,583.65 110.620 LINK | 0.0009% |
93 | CoinEx | LINK-BTC | $23.79 0.0064861 Eth | $2,390.13 101.640 LINK | 0.0008% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $23.82 0.0065070 Eth | $2,319.71 98.989 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0008% |
95 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.86 0.0065114 Eth | $1,958.28 82.793 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0007% |
96 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | $23.88 0.0065146 Eth | $842.00 824.653 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0069% |
97 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8 | $23.87 0.0065077 Eth | $659.44 28.127 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0002% |
98 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $23.53 0.0064338 Eth | $654.81 28.120 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.81 0.0065060 Eth | $400.37 17.063 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0001% |
100 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0XDA10009CBD5D07DD0CECC66161FC93D7C9000DA1 | $23.70 0.0064508 Eth | $282.16 12.060 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0001% |
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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