ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
721,373 ( -0.017%)
Market
Price
$12.12 @ 0.004597 ETH (-3.43%)
Onchain Market Cap
$12,120,000,000.00
Circulating Supply Market Cap
$7,615,169,581.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
19.210709575644506574 LINKValue
$232.83 ( ~0.0883147483534182 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | WhiteBIT | LINK-USDT | $12.17 0.0046149 Eth | $16,284,420.00 1,338,568.650 LINK | 12.0124% |
2 | Coinbase Exchange | LINK-USD | $12.16 0.0046126 Eth | $14,216,376.00 1,169,302.220 LINK | 10.4934% |
3 | Bybit | LINK-USDT | $12.16 0.0046151 Eth | $12,942,514.00 1,047,305.330 LINK | 9.3986% |
4 | HTX | LINK-USDT | $12.15 0.0046092 Eth | $11,262,121.00 911,603.606 LINK | 8.1808% |
5 | Bitget | LINK-USDT | $12.15 0.0046105 Eth | $9,150,301.00 738,556.904 LINK | 6.6279% |
6 | WEEX | LINK-USDT | $12.16 0.0046127 Eth | $6,496,937.00 525,613.050 LINK | 4.7169% |
7 | Azbit | LINK-USDT | $12.14 0.0046060 Eth | $5,036,904.00 405,180.580 LINK | 3.6361% |
8 | Biconomy.com | LINK-USDT | $12.15 0.0046098 Eth | $4,928,889.00 397,877.373 LINK | 3.5706% |
9 | P2B | LINK-USDT | $12.16 0.0046127 Eth | $4,657,522.00 383,048.660 LINK | 3.4375% |
10 | Slex | LINK-USDT | $12.15 0.0046106 Eth | $4,009,712.00 324,816.500 LINK | 2.9149% |
11 | OKX | LINK-USDT | $12.17 0.0046178 Eth | $3,595,357.00 291,768.585 LINK | 2.6183% |
12 | Upbit | LINK-KRW | $12.13 0.0046017 Eth | $3,364,028.00 277,306.855 LINK | 2.4886% |
13 | Trubit | LINK-USDT | $12.15 0.0046105 Eth | $3,166,359.00 256,849.120 LINK | 2.3050% |
14 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $12.09 0.0045871 Eth | $2,669,157.00 216,331.669 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.9414% |
15 | ProBit Global | LINK-USDT | $12.17 0.0046156 Eth | $2,576,936.00 211,805.142 LINK | 1.9008% |
16 | KuCoin | LINK-USDT | $12.16 0.0046139 Eth | $2,422,146.00 199,153.805 LINK | 1.7872% |
17 | Gate.io | LINK-USDT | $12.15 0.0046108 Eth | $2,350,591.00 190,697.380 LINK | 1.7113% |
18 | XT.COM | LINK-USDT | $12.16 0.0046139 Eth | $2,219,139.00 179,825.280 LINK | 1.6138% |
19 | AscendEX (BitMax) | LINK-USDT | $12.19 0.0046222 Eth | $1,768,694.00 145,150.000 LINK | 1.3026% |
20 | CoinW | LINK-USDT | $12.16 0.0046144 Eth | $1,745,480.00 143,508.400 LINK | 1.2879% |
21 | WhiteBIT | LINK-BTC | $12.15 0.0046108 Eth | $1,549,853.00 127,508.860 LINK | 1.1443% |
22 | Kraken | LINK-USDT | $12.16 0.0046129 Eth | $1,189,900.00 97,857.320 LINK | 0.8782% |
23 | Bitexen | LINK-TRY | $12.17 0.0046156 Eth | $1,147,815.00 94,340.280 LINK | 0.8466% |
24 | BYDFi | LINK-USDT | $12.16 0.0046143 Eth | $1,115,197.00 91,707.110 LINK | 0.8230% |
25 | Bitvavo | LINK-EUR | $12.16 0.0046129 Eth | $1,114,306.00 91,662.698 LINK | 0.8226% |
26 | FMCPAY | LINK-USDT | $12.15 0.0046089 Eth | $1,041,686.00 84,230.877 LINK | 0.7559% |
27 | Bitexen | LINK-USDT | $12.20 0.0046297 Eth | $933,217.00 76,466.040 LINK | 0.6862% |
28 | Azbit | LINK-ETH | $12.17 0.0046171 Eth | $869,613.00 70,275.351 LINK | 0.6307% |
29 | Dex-Trade | LINK-USDT | $12.15 0.0046093 Eth | $770,687.00 63,427.940 LINK | 0.5692% |
30 | tanX | LINK-USDC | $12.16 0.0046108 Eth | $687,608.00 55,532.200 LINK | 0.4983% |
31 | FMCPAY | LINK-BTC | $12.15 0.0046096 Eth | $581,012.00 47,609.300 LINK | 0.4272% |
32 | Bybit | LINK-USDC | $12.16 0.0046117 Eth | $563,523.00 45,669.545 LINK | 0.4098% |
33 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $12.14 0.0046044 Eth | $550,395.00 45,277.119 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.4063% |
34 | Bithumb | LINK-KRW | $12.15 0.0046108 Eth | $511,420.00 42,078.634 LINK | 0.3776% |
35 | BigONE | LINK-USDT | $12.14 0.0046063 Eth | $509,312.00 41,956.240 LINK | 0.3765% |
36 | EXMO | LINK-USDT | $12.16 0.0046130 Eth | $446,383.00 36,710.220 LINK | 0.3294% |
37 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $12.14 0.0046058 Eth | $433,620.00 35,268.330 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3165% |
38 | CoinEx | LINK-USDT | $12.16 0.0046134 Eth | $424,704.00 34,523.092 LINK | 0.3098% |
39 | ProBit Global | LINK-BTC | $12.17 0.0046159 Eth | $390,925.00 32,129.165 LINK | 0.2883% |
40 | FMCPAY | LINK-ETH | $12.15 0.0046101 Eth | $384,899.00 31,067.360 LINK | 0.2788% |
41 | PointPay | LINK-USDT | $12.15 0.0046089 Eth | $380,749.00 30,870.869 LINK | 0.2770% |
42 | WhiteBIT | LINK-EUR | $12.15 0.0046108 Eth | $363,179.00 29,880.240 LINK | 0.2681% |
43 | Gemini | LINK-USD | $12.08 0.0045843 Eth | $331,276.00 27,413.942 LINK | 0.2460% |
44 | LATOKEN | LINK-USDT | $12.15 0.0046092 Eth | $319,699.00 26,311.025 LINK | 0.2361% |
45 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.14 0.0046059 Eth | $297,899.00 24,084.579 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2161% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.16 0.0046131 Eth | $290,060.00 23,543.498 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2113% |
47 | Phemex | LINK-USDT | $12.15 0.0046089 Eth | $235,585.00 19,391.170 LINK | 0.1740% |
48 | LATOKEN | LINK-BTC | $12.15 0.0046084 Eth | $226,115.00 18,612.654 LINK | 0.1670% |
49 | BitMart | LINK-BTC | $12.16 0.0046123 Eth | $185,761.00 15,278.960 LINK | 0.1371% |
50 | BitDelta | LINK-USDT | $12.15 0.0046086 Eth | $141,745.00 11,466.000 LINK | 0.1029% |
51 | Coinbase Exchange | LINK-GBP | $12.17 0.0046184 Eth | $127,740.00 10,493.290 LINK | 0.0942% |
52 | Slex | LINK-BTC | $12.13 0.0046037 Eth | $110,429.00 9,058.100 LINK | 0.0813% |
53 | GMO Japan | LINK-JPY | $12.17 0.0046174 Eth | $109,130.00 8,965.400 LINK | 0.0805% |
54 | BYDFi | LINK-USDC | $12.15 0.0046091 Eth | $108,014.00 8,892.530 LINK | 0.0798% |
55 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $12.14 0.0046044 Eth | $76,844.00 6,328.735 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0568% |
56 | Slex | LINK-ETH | $12.14 0.0046080 Eth | $76,057.00 6,157.550 LINK | 0.0553% |
57 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $12.15 0.0046070 Eth | $73,626.00 74,365.183 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6674% |
58 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $12.16 0.0046127 Eth | $72,022.00 5,833.096 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0523% |
59 | PointPay | LINK-BTC | $12.17 0.0046160 Eth | $67,880.00 5,567.557 LINK | 0.0500% |
60 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $12.15 0.0046092 Eth | $67,442.00 68,726.378 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.6168% |
61 | WhiteBIT | LINK-TRY | $12.15 0.0046078 Eth | $64,325.00 5,295.620 LINK | 0.0475% |
62 | Coinbase Exchange | LINK-ETH | $12.12 0.0045995 Eth | $63,208.00 5,213.340 LINK | 0.0468% |
63 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $12.11 0.0045934 Eth | $63,151.00 5,097.105 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0457% |
64 | Bitso | LINK-USD | $12.13 0.0046023 Eth | $58,072.00 4,786.388 LINK | 0.0430% |
65 | Bitget | LINK-EUR | $12.18 0.0046199 Eth | $54,189.00 4,365.460 LINK | 0.0392% |
66 | Binance US | LINK-USDT | $12.14 0.0046063 Eth | $52,807.00 4,349.321 LINK | 0.0390% |
67 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.16 0.0046137 Eth | $50,780.00 4,128.789 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0371% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $12.16 0.0046136 Eth | $49,388.00 3,991.699 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0358% |
69 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $12.10 0.0045913 Eth | $45,355.00 3,740.053 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0336% |
70 | OKX | LINK-USDC | $12.17 0.0046156 Eth | $43,725.00 3,506.510 LINK | 0.0315% |
71 | EXMO | LINK-BTC | $12.15 0.0046111 Eth | $40,585.00 3,339.177 LINK | 0.0300% |
72 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $12.14 0.0046059 Eth | $35,018.00 35,604.898 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3195% |
73 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $12.16 0.0046108 Eth | $32,272.00 2,615.635 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0235% |
74 | Mercado Bitcoin | LINK-BRL | $12.14 0.0046063 Eth | $31,662.00 2,607.601 LINK | 0.0234% |
75 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $12.15 0.0046084 Eth | $29,370.00 2,390.680 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0215% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $12.14 0.0046069 Eth | $24,511.00 2,016.797 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0181% |
77 | Foxbit | LINK-BRL | $12.17 0.0046174 Eth | $18,236.68 1,459.498 LINK | 0.0131% |
78 | KuCoin | LINK-KCS | $12.17 0.0046144 Eth | $16,146.30 1,327.219 LINK | 0.0119% |
79 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $12.13 0.0046009 Eth | $14,766.14 1,206.625 0X5947BB275C521040051D82396192181B413227A3 | 0.0108% |
80 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $12.13 0.0046022 Eth | $13,210.79 1,078.242 0X5947BB275C521040051D82396192181B413227A3 | 0.0097% |
81 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $12.13 0.0046029 Eth | $12,291.88 1,012.824 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0091% |
82 | Coinone | LINK-KRW | $12.15 0.0046079 Eth | $10,284.05 846.682 LINK | 0.0076% |
83 | CoinEx | LINK-BTC | $12.10 0.0045918 Eth | $9,450.25 773.224 LINK | 0.0069% |
84 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $12.14 0.0046059 Eth | $8,663.31 8,783.979 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0788% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $12.10 0.0045893 Eth | $6,837.05 560.994 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0050% |
86 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $12.12 0.0045986 Eth | $4,510.22 365.275 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0033% |
87 | Ramses V2 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $12.12 0.0045966 Eth | $3,624.43 295.072 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0026% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $12.15 0.0046104 Eth | $2,299.45 183.168 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0016% |
89 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $12.14 0.0046061 Eth | $2,295.13 185.613 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0017% |
90 | CoinEx | LINK-USDC | $12.17 0.0046181 Eth | $2,244.50 180.654 LINK | 0.0016% |
91 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $12.08 0.0045821 Eth | $1,952.26 158.409 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0014% |
92 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $12.18 0.0046191 Eth | $1,604.82 132.872 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0012% |
93 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $12.14 0.0046051 Eth | $1,583.74 128.317 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0012% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991 | $12.15 0.0046123 Eth | $1,269.16 102.139 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
95 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $12.11 0.0045922 Eth | $1,208.91 98.169 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0009% |
96 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $12.11 0.0045933 Eth | $1,018.01 82.770 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0007% |
97 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $12.12 0.0046014 Eth | $600.25 48.573 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0004% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XB33EAAD8D922B1083446DC23F610C2567FB5180F | $12.17 0.0046160 Eth | $547.59 43.922 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0004% |
99 | Retro | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XBFA35599C7AEBB0DACE9B5AA3CA5F2A79624D8EB | $12.15 0.0046108 Eth | $276.16 24.176 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0002% |
100 | Uniswap V3 (Arbitrum One) | 0X912CE59144191C1204E64559FE8253A0E49E6548-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $12.07 0.0045766 Eth | $185.43 296.057 0X912CE59144191C1204E64559FE8253A0E49E6548 | 0.0027% |
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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