ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,722 (0.00%)
Market
Price
$23.63 @ 0.006443 ETH (+1.34%)
Onchain Market Cap
$23,630,000,000.00
Circulating Supply Market Cap
$14,892,678,629.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
10.05189899 LINKValue
$237.53 ( ~0.0647661991585837 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $23.75 0.0064825 Eth | $26,961,551.00 1,135,318.800 LINK | 13.6775% |
2 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.78 0.0064999 Eth | $17,217,413.00 729,861.607 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 8.7929% |
3 | Bybit | LINK-USDT | $23.85 0.0065188 Eth | $16,724,993.00 716,654.603 LINK | 8.6338% |
4 | P2B | LINK-USDT | $23.85 0.0064884 Eth | $13,327,241.00 558,754.070 LINK | 6.7315% |
5 | CoinW | LINK-USDT | $23.85 0.0064886 Eth | $11,904,467.00 499,088.590 LINK | 6.0127% |
6 | OKX | LINK-USDT | $23.92 0.0065381 Eth | $10,456,434.00 447,766.935 LINK | 5.3944% |
7 | HTX | LINK-USDT | $23.86 0.0065231 Eth | $7,607,152.00 325,846.187 LINK | 3.9256% |
8 | Azbit | LINK-USDT | $23.81 0.0065105 Eth | $6,518,964.00 279,273.987 LINK | 3.3645% |
9 | XT.COM | LINK-USDT | $23.72 0.0064726 Eth | $6,498,954.00 278,518.440 LINK | 3.3554% |
10 | Coinstore | LINK-USDT | $23.60 0.0064750 Eth | $5,768,486.00 247,430.960 LINK | 2.9809% |
11 | Bithumb | LINK-KRW | $23.90 0.0065325 Eth | $4,860,577.00 203,408.847 LINK | 2.4505% |
12 | BYDFi | LINK-USDT | $23.75 0.0064808 Eth | $4,278,208.00 180,141.800 LINK | 2.1702% |
13 | BTSE | LINK-USDT | $23.77 0.0064853 Eth | $3,258,825.00 137,124.409 LINK | 1.6520% |
14 | LATOKEN | LINK-USDT | $23.80 0.0065000 Eth | $3,174,548.00 133,409.028 LINK | 1.6072% |
15 | Hotcoin | LINK-USDT | $23.85 0.0065184 Eth | $2,439,829.00 102,289.690 LINK | 1.2323% |
16 | Bitvavo | LINK-EUR | $23.83 0.0065032 Eth | $2,080,249.00 87,311.555 LINK | 1.0519% |
17 | Dex-Trade | LINK-USDT | $23.32 0.0064290 Eth | $1,960,062.00 84,035.920 LINK | 1.0124% |
18 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.62 0.0064526 Eth | $1,958,461.00 83,590.669 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 1.0070% |
19 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.69 0.0064724 Eth | $1,898,478.00 80,846.755 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.9740% |
20 | Dcoin | LINK-USDT | $23.58 0.0064668 Eth | $1,875,751.00 79,560.000 LINK | 0.9585% |
21 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.86 0.0065192 Eth | $1,777,176.00 75,140.437 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.9052% |
22 | CoinEx | LINK-USDT | $23.82 0.0065100 Eth | $1,690,528.00 72,554.189 LINK | 0.8741% |
23 | KuCoin | LINK-USDT | $23.87 0.0065225 Eth | $1,591,039.00 66,662.302 LINK | 0.8031% |
24 | PointPay | LINK-USDT | $23.83 0.0065159 Eth | $1,044,161.00 44,752.366 LINK | 0.5391% |
25 | Azbit | LINK-ETH | $23.75 0.0064935 Eth | $1,005,616.00 42,738.329 LINK | 0.5149% |
26 | EXMO | LINK-USDT | $23.86 0.0065226 Eth | $930,664.00 39,006.515 LINK | 0.4699% |
27 | Trubit | LINK-USDT | $23.60 0.0064722 Eth | $921,361.00 39,529.480 LINK | 0.4762% |
28 | Coinbase Exchange | LINK-EUR | $23.80 0.0064950 Eth | $918,352.00 38,584.620 LINK | 0.4648% |
29 | Gemini | LINK-USD | $23.86 0.0065218 Eth | $895,980.00 37,557.063 LINK | 0.4525% |
30 | WhiteBIT | LINK-TRY | $23.84 0.0065131 Eth | $824,421.00 34,581.440 LINK | 0.4166% |
31 | Bybit | LINK-USDC | $23.86 0.0065217 Eth | $772,610.00 33,079.340 LINK | 0.3985% |
32 | WhiteBIT | LINK-BTC | $23.81 0.0065036 Eth | $757,077.00 31,803.120 LINK | 0.3831% |
33 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.81 0.0065050 Eth | $727,513.00 30,770.280 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3707% |
34 | Bitstamp | LINK-EUR | $23.80 0.0065066 Eth | $646,772.00 27,174.185 LINK | 0.3274% |
35 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.77 0.0064977 Eth | $621,281.00 40,480.593 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.4877% |
36 | Bitbank | LINK-JPY | $23.80 0.0064956 Eth | $561,353.00 23,587.645 LINK | 0.2842% |
37 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.74 0.0064867 Eth | $552,069.00 543,024.447 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 6.5420% |
38 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.84 0.0065109 Eth | $510,770.00 21,586.738 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2601% |
39 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.78 0.0064996 Eth | $500,619.00 21,289.343 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.2565% |
40 | EarnBIT | LINK-USDT | $23.62 0.0064613 Eth | $497,900.00 21,350.000 LINK | 0.2572% |
41 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.74 0.0064901 Eth | $461,842.00 19,597.933 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.2361% |
42 | Bitstamp | LINK-USD | $23.81 0.0065091 Eth | $446,557.00 18,755.030 LINK | 0.2259% |
43 | Bitbegin | LINK-USDT | $23.61 0.0064758 Eth | $427,313.00 18,320.521 LINK | 0.2207% |
44 | BigONE | LINK-USDT | $23.81 0.0065103 Eth | $424,465.00 17,824.040 LINK | 0.2147% |
45 | Coinbase Exchange | LINK-GBP | $23.80 0.0064938 Eth | $378,529.00 15,906.690 LINK | 0.1916% |
46 | HashKey Exchange | LINK-USD | $23.77 0.0064966 Eth | $344,507.00 14,775.422 LINK | 0.1780% |
47 | Coinbase Exchange | LINK-ETH | $23.81 0.0064985 Eth | $319,885.00 13,432.650 LINK | 0.1618% |
48 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.81 0.0065050 Eth | $297,682.00 292,118.489 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.5192% |
49 | Coinbase Exchange | LINK-BTC | $23.87 0.0065204 Eth | $280,859.00 11,766.000 LINK | 0.1417% |
50 | BitMart | LINK-BTC | $23.79 0.0065043 Eth | $267,099.00 11,226.260 LINK | 0.1352% |
51 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.62 0.0064526 Eth | $259,159.00 11,131.246 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1341% |
52 | WhiteBIT | LINK-EUR | $23.78 0.0064974 Eth | $258,719.00 10,878.570 LINK | 0.1311% |
53 | OKX | LINK-USDC | $23.91 0.0065361 Eth | $249,129.00 10,672.445 LINK | 0.1286% |
54 | GMO Japan | LINK-JPY | $23.77 0.0064861 Eth | $244,786.00 10,298.800 LINK | 0.1241% |
55 | Bitci TR | LINK-TRY | $23.77 0.0064782 Eth | $240,707.00 10,294.260 LINK | 0.1240% |
56 | Coinone | LINK-KRW | $23.94 0.0065437 Eth | $179,877.00 7,514.763 LINK | 0.0905% |
57 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.84 0.0065138 Eth | $134,535.00 5,687.232 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0685% |
58 | LATOKEN | LINK-BTC | $23.67 0.0064767 Eth | $108,803.00 4,596.769 LINK | 0.0554% |
59 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.90 0.0065276 Eth | $96,136.00 4,058.925 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0489% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.78 0.0064945 Eth | $94,799.00 4,015.319 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0484% |
61 | BitStorage | LINK-ETH | $23.83 0.0065135 Eth | $93,851.00 3,938.980 LINK | 0.0475% |
62 | Bitkub | LINK-THB | $23.66 0.0064641 Eth | $93,155.00 3,936.525 LINK | 0.0474% |
63 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.63 0.0064541 Eth | $89,022.00 3,787.414 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0456% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.81 0.0065050 Eth | $87,522.00 3,745.444 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0451% |
65 | BitMart | LINK-ETH | $23.78 0.0065014 Eth | $85,963.00 3,614.680 LINK | 0.0435% |
66 | Hotcoin | LINK-BTC | $23.75 0.0064733 Eth | $75,922.00 3,196.090 LINK | 0.0385% |
67 | Nonkyc.io | LINK-BTC | $23.88 0.0065231 Eth | $74,984.00 3,188.566 LINK | 0.0384% |
68 | Gemini | LINK-BTC | $23.76 0.0064966 Eth | $61,439.00 2,585.375 LINK | 0.0311% |
69 | BTCMarkets | LINK-AUD | $23.80 0.0064713 Eth | $58,986.00 2,478.861 LINK | 0.0299% |
70 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.78 0.0064969 Eth | $54,479.00 53,482.127 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6443% |
71 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.78 0.0064962 Eth | $52,016.00 2,208.347 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0266% |
72 | Binance US | LINK-USDT | $23.76 0.0064967 Eth | $45,179.00 1,901.123 LINK | 0.0229% |
73 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.68 0.0064704 Eth | $36,038.00 46.027 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0006% |
74 | Bitexen | LINK-TRY | $23.60 0.0064310 Eth | $32,692.00 1,385.265 LINK | 0.0167% |
75 | Hotcoin | LINK-ETH | $23.82 0.0065009 Eth | $28,388.00 1,191.880 LINK | 0.0144% |
76 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.84 0.0065166 Eth | $27,496.00 1,215.294 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0146% |
77 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.81 0.0065052 Eth | $21,966.00 940.356 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0113% |
78 | Korbit | LINK-KRW | $23.88 0.0065288 Eth | $16,660.92 716.074 LINK | 0.0086% |
79 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.76 0.0064960 Eth | $16,519.16 698.610 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0084% |
80 | PancakeSwap V1 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.63 0.0064604 Eth | $15,943.87 757.595 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0091% |
81 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.77 0.0064882 Eth | $14,113.30 598.466 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0072% |
82 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $23.86 0.0065163 Eth | $13,392.29 566.101 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0068% |
83 | Dex-Trade | LINK-ETH | $23.83 0.0065044 Eth | $13,105.05 549.940 LINK | 0.0066% |
84 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.70 0.0064746 Eth | $12,608.57 521.823 0X5947BB275C521040051D82396192181B413227A3 | 0.0063% |
85 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.74 0.0064893 Eth | $10,750.59 450.190 0X5947BB275C521040051D82396192181B413227A3 | 0.0054% |
86 | KuCoin | LINK-KCS | $23.75 0.0064915 Eth | $10,691.37 450.095 LINK | 0.0054% |
87 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.72 0.0064791 Eth | $8,837.17 376.373 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0045% |
88 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.62 0.0064543 Eth | $7,232.58 310.434 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0037% |
89 | Binance US | LINK-BTC | $23.70 0.0064681 Eth | $6,727.40 283.827 LINK | 0.0034% |
90 | HTX | LINK-BTC | $23.64 0.0064628 Eth | $6,050.34 257.527 LINK | 0.0031% |
91 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.72 0.0064686 Eth | $5,951.56 5,854.403 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0705% |
92 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.72 0.0064499 Eth | $5,909.97 5,823.987 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0702% |
93 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.67 0.0064707 Eth | $3,518.67 149.335 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0018% |
94 | Ace | LINK-USDT | $23.79 0.0065039 Eth | $2,550.26 109.220 LINK | 0.0013% |
95 | CoinEx | LINK-BTC | $23.73 0.0064807 Eth | $2,391.46 101.636 LINK | 0.0012% |
96 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $23.82 0.0065070 Eth | $2,319.71 98.989 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0012% |
97 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.75 0.0064939 Eth | $1,949.25 82.793 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0010% |
98 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.77 0.0064995 Eth | $1,255.14 53.123 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
99 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8 | $23.64 0.0064516 Eth | $653.21 28.127 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0003% |
100 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | $23.77 0.0064987 Eth | $592.31 579.150 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0070% |
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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