ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,723 (0.00%)
Market
Price
$23.80 @ 0.006503 ETH (+2.02%)
Onchain Market Cap
$23,800,000,000.00
Circulating Supply Market Cap
$15,020,103,413.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $23.69 0.0064610 Eth | $28,558,780.00 1,205,774.970 LINK | 10.3544% |
2 | WhiteBIT | LINK-USDT | $23.74 0.0064681 Eth | $24,374,039.00 1,026,675.040 LINK | 8.8164% |
3 | Slex | LINK-USDT | $23.70 0.0064657 Eth | $24,004,742.00 1,028,161.950 LINK | 8.8292% |
4 | Bitget | LINK-USDT | $23.73 0.0064743 Eth | $19,767,940.00 846,398.158 LINK | 7.2683% |
5 | Bybit | LINK-USDT | $23.71 0.0064680 Eth | $17,896,705.00 765,707.892 LINK | 6.5754% |
6 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.76 0.0064796 Eth | $17,779,971.00 751,520.857 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 6.4536% |
7 | MEXC | LINK-USDT | $23.97 0.0065237 Eth | $17,423,960.00 726,876.140 LINK | 6.2419% |
8 | P2B | LINK-USDT | $23.74 0.0064714 Eth | $14,426,253.00 607,714.800 LINK | 5.2186% |
9 | CoinW | LINK-USDT | $23.74 0.0064699 Eth | $12,751,740.00 537,092.240 LINK | 4.6122% |
10 | OKX | LINK-USDT | $23.71 0.0064665 Eth | $11,033,635.00 471,855.793 LINK | 4.0520% |
11 | XT.COM | LINK-USDT | $23.81 0.0064848 Eth | $6,974,759.00 298,308.830 LINK | 2.5617% |
12 | Azbit | LINK-USDT | $23.73 0.0064716 Eth | $6,964,231.00 297,929.157 LINK | 2.5584% |
13 | Coinstore | LINK-USDT | $23.71 0.0064653 Eth | $6,412,126.00 274,383.800 LINK | 2.3562% |
14 | Bithumb | LINK-KRW | $23.74 0.0064759 Eth | $4,954,523.00 208,683.753 LINK | 1.7920% |
15 | BYDFi | LINK-USDT | $23.67 0.0064580 Eth | $4,595,725.00 194,140.370 LINK | 1.6671% |
16 | BTSE | LINK-USDT | $23.77 0.0064767 Eth | $3,457,633.00 145,447.321 LINK | 1.2490% |
17 | LATOKEN | LINK-USDT | $23.82 0.0064763 Eth | $3,319,810.00 139,375.629 LINK | 1.1969% |
18 | Kraken | LINK-USD | $23.73 0.0064733 Eth | $2,979,786.00 125,568.846 LINK | 1.0783% |
19 | Hotcoin | LINK-USDT | $23.71 0.0064662 Eth | $2,531,513.00 106,769.220 LINK | 0.9169% |
20 | Dex-Trade | LINK-USDT | $23.95 0.0065114 Eth | $2,229,087.00 93,062.740 LINK | 0.7992% |
21 | Bitvavo | LINK-EUR | $23.71 0.0064685 Eth | $2,133,747.00 89,975.925 LINK | 0.7727% |
22 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.87 0.0065062 Eth | $2,028,077.00 85,880.864 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7375% |
23 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.78 0.0064832 Eth | $1,997,497.00 84,580.252 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7263% |
24 | Dcoin | LINK-USDT | $23.74 0.0064730 Eth | $1,955,822.00 82,392.000 LINK | 0.7075% |
25 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.77 0.0064798 Eth | $1,808,648.00 76,606.829 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.6578% |
26 | CoinEx | LINK-USDT | $23.81 0.0064865 Eth | $1,699,387.00 72,890.739 LINK | 0.6259% |
27 | KuCoin | LINK-USDT | $23.71 0.0064672 Eth | $1,625,125.00 68,548.529 LINK | 0.5886% |
28 | tanX | LINK-USDC | $23.80 0.0064813 Eth | $1,184,870.00 50,683.830 LINK | 0.4352% |
29 | PointPay | LINK-USDT | $23.71 0.0064662 Eth | $1,146,536.00 49,056.818 LINK | 0.4213% |
30 | Gemini | LINK-USD | $23.77 0.0064842 Eth | $1,041,149.00 43,796.933 LINK | 0.3761% |
31 | EXMO | LINK-USDT | $23.71 0.0064674 Eth | $1,000,531.00 42,193.002 LINK | 0.3623% |
32 | Coinbase Exchange | LINK-EUR | $23.80 0.0064829 Eth | $960,709.00 40,367.230 LINK | 0.3466% |
33 | WhiteBIT | LINK-BTC | $23.74 0.0064687 Eth | $924,460.00 38,936.020 LINK | 0.3344% |
34 | WhiteBIT | LINK-TRY | $23.74 0.0064687 Eth | $881,105.00 37,110.220 LINK | 0.3187% |
35 | Bybit | LINK-USDC | $23.71 0.0064686 Eth | $818,899.00 35,021.926 LINK | 0.3007% |
36 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.75 0.0064758 Eth | $769,533.00 32,538.367 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2794% |
37 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.75 0.0064771 Eth | $674,074.00 43,955.586 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3775% |
38 | Bitstamp | LINK-EUR | $23.98 0.0065422 Eth | $660,452.00 27,536.130 LINK | 0.2365% |
39 | Nonkyc.io | LINK-USDT | $23.88 0.0065083 Eth | $623,197.00 26,664.916 LINK | 0.2290% |
40 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.76 0.0064818 Eth | $589,235.00 25,010.414 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.2148% |
41 | Bitbank | LINK-JPY | $23.76 0.0064785 Eth | $570,266.00 24,003.018 LINK | 0.2061% |
42 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.73 0.0064692 Eth | $535,203.00 22,606.138 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1941% |
43 | EarnBIT | LINK-USDT | $23.84 0.0064881 Eth | $520,931.00 22,270.667 LINK | 0.1912% |
44 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.71 0.0064669 Eth | $497,493.00 21,118.708 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1814% |
45 | Bitstamp | LINK-USD | $23.73 0.0064727 Eth | $487,218.00 20,531.712 LINK | 0.1763% |
46 | BigONE | LINK-USDT | $23.68 0.0064594 Eth | $440,500.00 18,599.150 LINK | 0.1597% |
47 | Bitbegin | LINK-USDT | $23.75 0.0064820 Eth | $432,857.00 18,548.457 LINK | 0.1593% |
48 | Coinbase Exchange | LINK-GBP | $23.80 0.0064824 Eth | $394,704.00 16,586.110 LINK | 0.1424% |
49 | HashKey Exchange | LINK-USD | $23.73 0.0064718 Eth | $350,826.00 15,035.297 LINK | 0.1291% |
50 | Coinbase Exchange | LINK-ETH | $23.79 0.0064809 Eth | $334,812.00 14,072.490 LINK | 0.1208% |
51 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.74 0.0064707 Eth | $324,243.00 319,819.373 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7464% |
52 | Coinbase Exchange | LINK-BTC | $23.75 0.0064734 Eth | $294,159.00 12,383.080 LINK | 0.1063% |
53 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.90 0.0065165 Eth | $292,129.00 12,465.350 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1070% |
54 | Slex | LINK-ETH | $23.81 0.0064914 Eth | $287,674.00 12,187.160 LINK | 0.1047% |
55 | BitMart | LINK-BTC | $23.71 0.0064673 Eth | $266,909.00 11,259.020 LINK | 0.0967% |
56 | OKX | LINK-USDC | $23.70 0.0064664 Eth | $261,183.00 11,183.229 LINK | 0.0960% |
57 | GMO Japan | LINK-JPY | $23.80 0.0064910 Eth | $252,996.00 10,632.300 LINK | 0.0913% |
58 | Bitci TR | LINK-TRY | $23.69 0.0064621 Eth | $240,237.00 10,267.950 LINK | 0.0882% |
59 | Coinone | LINK-KRW | $23.82 0.0064963 Eth | $183,535.00 7,706.166 LINK | 0.0662% |
60 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.88 0.0065111 Eth | $140,968.00 5,969.610 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0513% |
61 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.72 0.0064697 Eth | $117,508.00 5,024.777 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0431% |
62 | LATOKEN | LINK-BTC | $23.98 0.0065201 Eth | $117,193.00 4,886.368 LINK | 0.0420% |
63 | Bitkub | LINK-THB | $23.61 0.0064393 Eth | $105,748.00 4,479.788 LINK | 0.0385% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.79 0.0064852 Eth | $99,977.00 4,205.933 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0361% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.80 0.0064879 Eth | $99,157.00 4,194.971 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0360% |
66 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.73 0.0064692 Eth | $94,617.00 4,046.580 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0347% |
67 | BitMart | LINK-ETH | $23.73 0.0064728 Eth | $86,718.00 3,654.900 LINK | 0.0314% |
68 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.75 0.0064735 Eth | $86,154.00 3,647.242 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0313% |
69 | Hotcoin | LINK-BTC | $23.72 0.0064690 Eth | $85,055.00 3,585.740 LINK | 0.0308% |
70 | Nonkyc.io | LINK-BTC | $24.00 0.0065283 Eth | $77,200.00 3,277.948 LINK | 0.0281% |
71 | Bitso | LINK-USD | $23.80 0.0064856 Eth | $70,002.00 2,941.176 LINK | 0.0253% |
72 | Gemini | LINK-BTC | $23.70 0.0064654 Eth | $61,785.00 2,606.624 LINK | 0.0224% |
73 | BTCMarkets | LINK-AUD | $23.64 0.0064390 Eth | $58,713.00 2,483.861 LINK | 0.0213% |
74 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.87 0.0065062 Eth | $56,928.00 55,741.534 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4787% |
75 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.77 0.0064803 Eth | $54,610.00 2,316.809 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0199% |
76 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.84 0.0064996 Eth | $37,343.00 47.392 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0004% |
77 | Bitexen | LINK-TRY | $23.60 0.0064363 Eth | $32,687.00 1,385.265 LINK | 0.0119% |
78 | CoinEx | LINK-USDC | $23.88 0.0064920 Eth | $31,179.00 1,372.210 LINK | 0.0118% |
79 | Hotcoin | LINK-ETH | $23.74 0.0064758 Eth | $30,256.00 1,274.520 LINK | 0.0109% |
80 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.79 0.0064897 Eth | $27,497.00 1,214.791 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0104% |
81 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.74 0.0064723 Eth | $23,333.00 998.397 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0086% |
82 | Korbit | LINK-KRW | $23.76 0.0064815 Eth | $21,046.00 899.612 LINK | 0.0077% |
83 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.73 0.0064729 Eth | $18,042.34 772.253 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0066% |
84 | PancakeSwap V1 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.77 0.0064826 Eth | $16,074.35 761.172 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0065% |
85 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.77 0.0064752 Eth | $14,800.03 627.132 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0054% |
86 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $23.73 0.0064692 Eth | $13,771.58 588.630 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0051% |
87 | Dex-Trade | LINK-ETH | $23.81 0.0064934 Eth | $13,369.36 561.530 LINK | 0.0048% |
88 | KuCoin | LINK-KCS | $23.68 0.0064597 Eth | $10,677.55 450.902 LINK | 0.0039% |
89 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.88 0.0065107 Eth | $9,434.63 400.524 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0034% |
90 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.59 0.0064322 Eth | $7,483.09 322.776 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0028% |
91 | Binance US | LINK-BTC | $23.77 0.0064619 Eth | $6,998.70 294.453 LINK | 0.0025% |
92 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.95 0.0065285 Eth | $6,306.22 6,161.152 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0529% |
93 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.88 0.0065091 Eth | $6,162.18 6,024.892 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0517% |
94 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.74 0.0064767 Eth | $3,696.49 156.528 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0013% |
95 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.76 0.0064743 Eth | $2,901.04 8.291 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0001% |
96 | CoinEx | LINK-BTC | $23.83 0.0064935 Eth | $2,392.96 101.631 LINK | 0.0009% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $23.85 0.0064973 Eth | $2,377.54 101.539 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
98 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.73 0.0064723 Eth | $2,076.33 87.507 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0008% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.85 0.0065047 Eth | $1,300.18 54.975 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0005% |
100 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | $23.94 0.0065095 Eth | $890.92 871.232 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0075% |
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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