ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,726 ( 0.002%)
Market
Price
$23.92 @ 0.006521 ETH (+2.65%)
Onchain Market Cap
$23,920,000,000.00
Circulating Supply Market Cap
$15,071,343,283.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
761.59347958 LINKValue
$18,217.32 ( ~4.9664 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $23.93 0.0065174 Eth | $29,595,069.00 1,236,941.760 LINK | 12.5426% |
2 | Slex | LINK-USDT | $23.95 0.0065243 Eth | $24,045,413.00 1,029,232.300 LINK | 10.4364% |
3 | Bitget | LINK-USDT | $23.94 0.0065220 Eth | $20,507,363.00 877,220.166 LINK | 8.8950% |
4 | Bybit | LINK-USDT | $23.93 0.0065189 Eth | $18,153,206.00 776,037.431 LINK | 7.8690% |
5 | P2B | LINK-USDT | $23.96 0.0065264 Eth | $14,845,176.00 619,569.090 LINK | 6.2824% |
6 | CoinW | LINK-USDT | $23.95 0.0065257 Eth | $13,206,848.00 551,390.810 LINK | 5.5911% |
7 | OKX | LINK-USDT | $23.95 0.0065250 Eth | $11,517,848.00 491,917.090 LINK | 4.9880% |
8 | HTX | LINK-USDT | $23.91 0.0065148 Eth | $7,760,135.00 332,001.205 LINK | 3.3665% |
9 | XT.COM | LINK-USDT | $23.92 0.0065166 Eth | $7,142,234.00 305,186.650 LINK | 3.0946% |
10 | Azbit | LINK-USDT | $23.96 0.0065268 Eth | $7,107,650.00 303,810.836 LINK | 3.0806% |
11 | Coinstore | LINK-USDT | $23.84 0.0065012 Eth | $6,449,894.00 275,826.200 LINK | 2.7969% |
12 | Biconomy.com | LINK-USDT | $23.97 0.0065284 Eth | $6,000,709.00 256,826.870 LINK | 2.6042% |
13 | Bithumb | LINK-KRW | $23.98 0.0065323 Eth | $4,893,368.00 204,098.595 LINK | 2.0696% |
14 | BYDFi | LINK-USDT | $23.93 0.0065212 Eth | $4,695,181.00 196,213.790 LINK | 1.9896% |
15 | BTSE | LINK-USDT | $23.95 0.0065236 Eth | $3,562,772.00 148,758.136 LINK | 1.5084% |
16 | LATOKEN | LINK-USDT | $23.95 0.0065258 Eth | $3,466,084.00 144,737.694 LINK | 1.4676% |
17 | Kraken | LINK-USD | $23.95 0.0065226 Eth | $3,011,666.00 125,767.583 LINK | 1.2753% |
18 | Hotcoin | LINK-USDT | $23.84 0.0065100 Eth | $2,594,892.00 108,867.510 LINK | 1.1039% |
19 | Dex-Trade | LINK-USDT | $23.92 0.0065156 Eth | $2,339,013.00 97,782.760 LINK | 0.9915% |
20 | Bitvavo | LINK-EUR | $23.96 0.0065257 Eth | $2,110,042.00 88,072.556 LINK | 0.8931% |
21 | Dcoin | LINK-USDT | $23.99 0.0065346 Eth | $2,013,736.00 83,939.000 LINK | 0.8511% |
22 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.91 0.0065131 Eth | $2,013,434.00 85,215.827 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.8641% |
23 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.93 0.0065181 Eth | $1,874,915.00 79,396.841 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.8051% |
24 | CoinEx | LINK-USDT | $23.98 0.0065314 Eth | $1,711,341.00 73,356.584 LINK | 0.7438% |
25 | KuCoin | LINK-USDT | $23.94 0.0065208 Eth | $1,707,555.00 71,338.499 LINK | 0.7234% |
26 | PointPay | LINK-USDT | $23.95 0.0065246 Eth | $1,161,927.00 49,666.645 LINK | 0.5036% |
27 | tanX | LINK-USDC | $23.93 0.0065209 Eth | $1,160,929.00 49,632.670 LINK | 0.5033% |
28 | Gemini | LINK-USD | $23.97 0.0065289 Eth | $1,051,440.00 43,865.487 LINK | 0.4448% |
29 | EXMO | LINK-USDT | $23.95 0.0065243 Eth | $1,033,880.00 43,166.201 LINK | 0.4377% |
30 | Bybit | LINK-USDC | $23.96 0.0065256 Eth | $1,031,902.00 43,935.027 LINK | 0.4455% |
31 | WhiteBIT | LINK-BTC | $23.94 0.0065231 Eth | $950,919.00 39,724.700 LINK | 0.4028% |
32 | Coinbase Exchange | LINK-EUR | $23.91 0.0065154 Eth | $948,470.00 39,673.920 LINK | 0.4023% |
33 | Trubit | LINK-USDT | $23.88 0.0065041 Eth | $929,756.00 39,841.120 LINK | 0.4040% |
34 | WhiteBIT | LINK-TRY | $23.83 0.0065058 Eth | $901,397.00 37,832.870 LINK | 0.3836% |
35 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.95 0.0065246 Eth | $816,969.00 34,517.605 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3500% |
36 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.93 0.0065179 Eth | $792,281.00 51,264.070 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.5198% |
37 | Bitstamp | LINK-EUR | $23.96 0.0065275 Eth | $649,643.00 27,108.894 LINK | 0.2749% |
38 | Bitbank | LINK-JPY | $23.88 0.0065040 Eth | $609,765.00 25,538.002 LINK | 0.2590% |
39 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.93 0.0065190 Eth | $605,821.00 25,705.387 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.2607% |
40 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.91 0.0065143 Eth | $560,824.00 23,641.696 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2397% |
41 | EarnBIT | LINK-USDT | $23.97 0.0065321 Eth | $557,911.00 23,821.826 LINK | 0.2416% |
42 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.84 0.0064945 Eth | $516,326.00 21,937.345 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.2224% |
43 | Bitstamp | LINK-USD | $23.97 0.0065290 Eth | $475,454.00 19,835.397 LINK | 0.2011% |
44 | BigONE | LINK-USDT | $24.00 0.0065376 Eth | $458,243.00 19,092.350 LINK | 0.1936% |
45 | Bitbegin | LINK-USDT | $23.95 0.0065237 Eth | $451,670.00 19,329.515 LINK | 0.1960% |
46 | Coinbase Exchange | LINK-GBP | $23.94 0.0065259 Eth | $396,125.00 16,543.220 LINK | 0.1677% |
47 | HashKey Exchange | LINK-USD | $23.95 0.0065271 Eth | $373,101.00 15,967.203 LINK | 0.1619% |
48 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.96 0.0065276 Eth | $343,504.00 335,947.634 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.4065% |
49 | Coinbase Exchange | LINK-ETH | $23.74 0.0064696 Eth | $325,094.00 13,694.740 LINK | 0.1389% |
50 | WhiteBIT | LINK-EUR | $23.93 0.0065211 Eth | $310,792.00 12,987.350 LINK | 0.1317% |
51 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.90 0.0065095 Eth | $307,155.00 13,110.798 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1329% |
52 | Coinbase Exchange | LINK-BTC | $23.96 0.0065292 Eth | $296,943.00 12,390.740 LINK | 0.1256% |
53 | Slex | LINK-ETH | $23.94 0.0065216 Eth | $276,542.00 11,699.300 LINK | 0.1186% |
54 | OKX | LINK-USDC | $23.95 0.0065242 Eth | $274,239.00 11,723.817 LINK | 0.1189% |
55 | GMO Japan | LINK-JPY | $24.00 0.0065395 Eth | $273,524.00 11,397.900 LINK | 0.1156% |
56 | BitMart | LINK-BTC | $23.98 0.0065317 Eth | $267,354.00 11,150.520 LINK | 0.1131% |
57 | Bitci TR | LINK-TRY | $24.04 0.0065479 Eth | $240,062.00 10,255.290 LINK | 0.1040% |
58 | Coinone | LINK-KRW | $24.00 0.0065361 Eth | $187,793.00 7,826.041 LINK | 0.0794% |
59 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.87 0.0065016 Eth | $145,772.00 6,166.249 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0625% |
60 | LATOKEN | LINK-BTC | $23.95 0.0065267 Eth | $122,765.00 5,126.565 LINK | 0.0520% |
61 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.93 0.0065195 Eth | $111,743.00 4,707.039 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0477% |
62 | Bitkub | LINK-THB | $23.86 0.0064998 Eth | $105,471.00 4,420.180 LINK | 0.0448% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.94 0.0065236 Eth | $105,007.00 4,437.418 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0450% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.95 0.0065246 Eth | $99,099.00 4,235.306 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0429% |
65 | Kanga | LINK-PLN | $23.84 0.0065021 Eth | $92,829.00 0.000 LINK | 0.0000% |
66 | BitMart | LINK-ETH | $23.97 0.0065290 Eth | $87,807.00 3,663.680 LINK | 0.0371% |
67 | Hotcoin | LINK-BTC | $23.82 0.0065055 Eth | $87,105.00 3,656.970 LINK | 0.0371% |
68 | Bitso | LINK-USD | $23.91 0.0065138 Eth | $83,591.00 3,496.379 LINK | 0.0355% |
69 | Nonkyc.io | LINK-BTC | $23.89 0.0065160 Eth | $76,949.00 3,268.622 LINK | 0.0331% |
70 | Gemini | LINK-BTC | $23.77 0.0064758 Eth | $61,971.00 2,606.624 LINK | 0.0264% |
71 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.90 0.0065095 Eth | $59,982.00 58,713.013 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5953% |
72 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.89 0.0065088 Eth | $57,034.00 2,415.267 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0245% |
73 | Binance US | LINK-USDT | $23.95 0.0065233 Eth | $51,254.00 2,140.358 LINK | 0.0217% |
74 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.84 0.0064935 Eth | $37,926.00 48.154 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0005% |
75 | Bitexen | LINK-TRY | $23.57 0.0064391 Eth | $32,654.00 1,385.265 LINK | 0.0140% |
76 | Hotcoin | LINK-ETH | $23.98 0.0065315 Eth | $31,661.00 1,320.460 LINK | 0.0134% |
77 | CoinEx | LINK-USDC | $23.87 0.0065024 Eth | $31,195.00 1,372.824 LINK | 0.0139% |
78 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.85 0.0064972 Eth | $28,165.00 1,242.484 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0126% |
79 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.95 0.0065266 Eth | $24,485.00 1,046.521 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0106% |
80 | Korbit | LINK-KRW | $23.93 0.0065176 Eth | $21,174.00 905.630 LINK | 0.0092% |
81 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.93 0.0065179 Eth | $18,323.76 777.212 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0079% |
82 | PancakeSwap V1 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.75 0.0064708 Eth | $16,145.22 766.788 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0078% |
83 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.92 0.0065175 Eth | $15,247.07 645.120 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0065% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $23.95 0.0065246 Eth | $14,613.01 618.272 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0063% |
85 | Dex-Trade | LINK-ETH | $23.95 0.0065239 Eth | $13,332.58 556.660 LINK | 0.0056% |
86 | KuCoin | LINK-KCS | $23.93 0.0065188 Eth | $10,855.80 453.673 LINK | 0.0046% |
87 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.86 0.0064988 Eth | $7,726.88 330.463 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0034% |
88 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.90 0.0065132 Eth | $6,499.68 6,367.559 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0646% |
89 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.86 0.0065022 Eth | $6,431.27 6,299.857 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0639% |
90 | Ace | LINK-USDT | $23.94 0.0065211 Eth | $2,745.01 117.340 LINK | 0.0012% |
91 | CoinEx | LINK-BTC | $23.86 0.0065026 Eth | $2,405.98 101.972 LINK | 0.0010% |
92 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $23.78 0.0064903 Eth | $2,360.05 101.106 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0010% |
93 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.91 0.0065121 Eth | $2,300.26 96.245 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0010% |
94 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.89 0.0065077 Eth | $964.08 2.758 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0000% |
95 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | $23.88 0.0065094 Eth | $888.41 871.232 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0088% |
96 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8 | $23.89 0.0065080 Eth | $742.71 31.682 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0003% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $23.76 0.0064836 Eth | $736.26 31.454 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC3C7D422809852031B44AB29EEC9F1EFF2A58756 | $23.75 0.0064710 Eth | $597.37 25.575 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0003% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991 | $23.96 0.0065305 Eth | $555.64 23.232 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0002% |
100 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0XDA10009CBD5D07DD0CECC66161FC93D7C9000DA1 | $23.89 0.0065075 Eth | $315.60 13.455 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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