ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
722,332 ( -0.007%)
Market
Price
$11.16 @ 0.004469 ETH (-2.00%)
Onchain Market Cap
$11,160,000,000.00
Circulating Supply Market Cap
$6,992,912,490.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.8721 LINKValue
$9.73 ( ~0.00389635391137115 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | WhiteBIT | LINK-USDT | $11.17 0.0044793 Eth | $33,266,865.00 2,977,810.120 LINK | 16.2082% |
2 | Binance | LINK-USDT | $11.17 0.0044736 Eth | $32,455,540.00 2,857,378.570 LINK | 15.5527% |
3 | HTX | LINK-USDT | $11.21 0.0044911 Eth | $12,522,586.00 1,106,444.637 LINK | 6.0224% |
4 | Coinbase Exchange | LINK-USD | $11.17 0.0044824 Eth | $10,801,246.00 966,727.470 LINK | 5.2619% |
5 | Bybit | LINK-USDT | $11.18 0.0044776 Eth | $10,180,480.00 898,922.755 LINK | 4.8928% |
6 | Bitget | LINK-USDT | $11.21 0.0044913 Eth | $10,074,344.00 889,404.901 LINK | 4.8410% |
7 | BTSE | LINK-USDT | $11.18 0.0044825 Eth | $7,256,958.00 649,128.779 LINK | 3.5332% |
8 | Gate.io | LINK-USDT | $11.21 0.0044905 Eth | $7,131,059.00 626,728.570 LINK | 3.4113% |
9 | OKX | LINK-USDT | $11.20 0.0044895 Eth | $6,444,485.00 567,309.906 LINK | 3.0879% |
10 | P2B | LINK-USDT | $11.16 0.0044733 Eth | $6,030,829.00 540,566.800 LINK | 2.9423% |
11 | Ourbit | LINK-USDT | $11.15 0.0044706 Eth | $5,562,572.00 489,683.470 LINK | 2.6653% |
12 | WEEX | LINK-USDT | $11.17 0.0044713 Eth | $5,436,025.00 478,382.190 LINK | 2.6038% |
13 | Slex | LINK-USDT | $11.16 0.0044726 Eth | $5,411,641.00 477,484.460 LINK | 2.5989% |
14 | DigiFinex | LINK-USDT | $11.21 0.0044925 Eth | $4,470,185.00 398,609.590 LINK | 2.1696% |
15 | Biconomy.com | LINK-USDT | $11.21 0.0044906 Eth | $3,950,463.00 348,650.850 LINK | 1.8977% |
16 | Azbit | LINK-USDT | $11.19 0.0044805 Eth | $3,837,786.00 339,379.250 LINK | 1.8472% |
17 | XT.COM | LINK-USDT | $11.17 0.0044818 Eth | $3,324,789.00 292,942.270 LINK | 1.5945% |
18 | Bitunix | LINK-USDT | $11.16 0.0044737 Eth | $3,225,969.00 289,129.280 LINK | 1.5737% |
19 | Hotcoin | LINK-USDT | $11.20 0.0044919 Eth | $2,876,043.00 256,787.990 LINK | 1.3977% |
20 | CoinW | LINK-USDT | $11.21 0.0044920 Eth | $2,689,768.00 239,878.530 LINK | 1.3057% |
21 | Coinstore | LINK-USDT | $11.15 0.0044716 Eth | $2,186,025.00 192,737.890 LINK | 1.0491% |
22 | ProBit Global | LINK-USDT | $11.15 0.0044738 Eth | $1,942,443.00 174,132.582 LINK | 0.9478% |
23 | HashKey Global | LINK-USDT | $11.16 0.0044630 Eth | $1,847,107.00 163,072.025 LINK | 0.8876% |
24 | LBank | LINK-USDT | $11.16 0.0044759 Eth | $1,791,339.00 160,560.590 LINK | 0.8739% |
25 | AscendEX (BitMax) | LINK-USDT | $11.20 0.0044870 Eth | $1,699,939.00 151,803.000 LINK | 0.8263% |
26 | KuCoin | LINK-USDT | $11.21 0.0044908 Eth | $1,690,121.00 150,727.780 LINK | 0.8204% |
27 | BYDFi | LINK-USDT | $11.16 0.0044689 Eth | $1,509,554.00 135,319.450 LINK | 0.7365% |
28 | Trubit | LINK-USDT | $11.14 0.0044625 Eth | $1,504,524.00 132,089.970 LINK | 0.7190% |
29 | WhiteBIT | LINK-BTC | $11.14 0.0044640 Eth | $1,274,120.00 114,355.360 LINK | 0.6224% |
30 | Dex-Trade | LINK-USDT | $11.18 0.0044799 Eth | $1,083,404.00 96,914.960 LINK | 0.5275% |
31 | Azbit | LINK-ETH | $11.16 0.0044706 Eth | $716,504.00 63,858.615 LINK | 0.3476% |
32 | Bitvavo | LINK-EUR | $11.23 0.0045045 Eth | $650,182.00 57,889.655 LINK | 0.3151% |
33 | LATOKEN | LINK-USDT | $11.17 0.0044799 Eth | $635,936.00 56,932.137 LINK | 0.3099% |
34 | EXMO | LINK-USDT | $11.17 0.0044769 Eth | $628,580.00 56,297.212 LINK | 0.3064% |
35 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.18 0.0044791 Eth | $553,082.00 49,170.778 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2676% |
36 | AscendEX (BitMax) | LINK-BTC | $11.25 0.0045094 Eth | $548,715.00 48,756.000 LINK | 0.2654% |
37 | PointPay | LINK-USDT | $11.21 0.0044906 Eth | $511,776.00 45,086.918 LINK | 0.2454% |
38 | BigONE | LINK-USDT | $11.18 0.0044840 Eth | $489,058.00 43,731.940 LINK | 0.2380% |
39 | Coinbase Exchange | LINK-USDT | $11.15 0.0044742 Eth | $415,970.00 37,293.164 LINK | 0.2030% |
40 | CoinEx | LINK-USDT | $11.18 0.0044785 Eth | $405,346.00 35,655.838 LINK | 0.1941% |
41 | tanX | LINK-USDC | $11.18 0.0044703 Eth | $393,028.00 34,658.620 LINK | 0.1886% |
42 | WhiteBIT | LINK-EUR | $11.21 0.0044933 Eth | $386,278.00 34,469.440 LINK | 0.1876% |
43 | Phemex | LINK-USDT | $11.19 0.0044824 Eth | $333,709.00 29,834.840 LINK | 0.1624% |
44 | LATOKEN | LINK-BTC | $11.17 0.0044768 Eth | $327,341.00 29,304.109 LINK | 0.1595% |
45 | WhiteBIT | LINK-TRY | $11.25 0.0045098 Eth | $302,815.00 26,922.650 LINK | 0.1465% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.14 0.0044656 Eth | $283,037.00 25,102.972 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1366% |
47 | ProBit Global | LINK-BTC | $11.16 0.0044751 Eth | $261,581.00 23,442.769 LINK | 0.1276% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.19 0.0044828 Eth | $215,494.00 19,141.884 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1042% |
49 | Gemini | LINK-USD | $11.16 0.0044698 Eth | $207,196.00 18,570.912 LINK | 0.1011% |
50 | BitMart | LINK-BTC | $11.15 0.0044702 Eth | $194,510.00 17,444.580 LINK | 0.0950% |
51 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $11.13 0.0044577 Eth | $181,061.00 15,954.939 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0868% |
52 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.18 0.0044771 Eth | $172,664.00 15,329.364 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0834% |
53 | Coinbase Exchange | LINK-EUR | $11.26 0.0045118 Eth | $167,452.00 14,868.990 LINK | 0.0809% |
54 | OKX | LINK-USDC | $11.20 0.0044857 Eth | $166,751.00 14,649.934 LINK | 0.0797% |
55 | BitDelta | LINK-USDT | $11.21 0.0044906 Eth | $153,112.00 13,512.000 LINK | 0.0735% |
56 | BYDFi | LINK-USDC | $11.16 0.0044682 Eth | $144,925.00 12,985.470 LINK | 0.0707% |
57 | Coinbase Exchange | LINK-GBP | $11.19 0.0044850 Eth | $143,333.00 12,803.560 LINK | 0.0697% |
58 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.19 0.0044827 Eth | $131,449.00 133,693.796 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.7277% |
59 | Slex | LINK-BTC | $11.19 0.0044820 Eth | $99,721.00 8,827.700 LINK | 0.0480% |
60 | GMO Japan | LINK-JPY | $11.26 0.0045123 Eth | $91,931.00 8,164.700 LINK | 0.0444% |
61 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.11 0.0044533 Eth | $79,863.00 81,473.498 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4435% |
62 | Bitkub | LINK-THB | $11.20 0.0044861 Eth | $63,868.00 5,700.924 LINK | 0.0310% |
63 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $11.18 0.0044799 Eth | $63,551.00 5,583.620 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0304% |
64 | PointPay | LINK-BTC | $11.21 0.0044906 Eth | $60,888.00 5,386.879 LINK | 0.0293% |
65 | Slex | LINK-ETH | $11.15 0.0044721 Eth | $54,493.00 4,852.020 LINK | 0.0264% |
66 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.14 0.0044656 Eth | $50,359.00 4,427.902 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0241% |
67 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $11.12 0.0044540 Eth | $48,671.00 4,347.649 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0237% |
68 | Bitso | LINK-USD | $11.19 0.0044850 Eth | $42,603.00 3,806.100 LINK | 0.0207% |
69 | KuCoin | LINK-USDC | $11.22 0.0044933 Eth | $41,952.00 3,739.253 LINK | 0.0204% |
70 | Binance US | LINK-USDT | $11.15 0.0044653 Eth | $40,290.00 3,615.047 LINK | 0.0197% |
71 | Coinbase Exchange | LINK-BTC | $11.13 0.0044629 Eth | $35,353.00 3,175.790 LINK | 0.0173% |
72 | Bitcointry | LINK-USDT | $11.14 0.0044659 Eth | $34,474.00 3,041.374 LINK | 0.0166% |
73 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.16 0.0044716 Eth | $34,185.00 3,003.266 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0163% |
74 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.15 0.0044651 Eth | $33,024.00 33,722.379 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1836% |
75 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.15 0.0044674 Eth | $20,975.00 1,862.357 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0101% |
76 | Nonkyc.io | LINK-BTC | $11.17 0.0044764 Eth | $18,312.73 1,621.533 LINK | 0.0088% |
77 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $11.12 0.0044560 Eth | $17,431.91 1,546.197 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0084% |
78 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.12 0.0044532 Eth | $15,108.54 15,390.277 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0838% |
79 | PancakeSwap V3 (BSC) | 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $11.20 0.0044858 Eth | $14,866.86 8,674.180 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82 | 0.0472% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.18 0.0044804 Eth | $13,256.69 1,178.988 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0064% |
81 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.16 0.0044741 Eth | $11,936.19 1,061.512 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0058% |
82 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $11.11 0.0044511 Eth | $11,798.99 1,078.391 0X5947BB275C521040051D82396192181B413227A3 | 0.0059% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD93F7E271CB87C23AAA73EDC008A79646D1F9912 | $11.25 0.0045061 Eth | $11,193.53 987.125 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0054% |
84 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $11.15 0.0044667 Eth | $8,945.79 807.818 0X5947BB275C521040051D82396192181B413227A3 | 0.0044% |
85 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $11.13 0.0044574 Eth | $6,136.71 540.233 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0029% |
86 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $11.17 0.0044768 Eth | $5,988.83 526.829 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0029% |
87 | Kanga | LINK-USDT | $11.17 0.0044822 Eth | $5,856.00 0.000 LINK | 0.0000% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $11.14 0.0044656 Eth | $5,527.63 489.129 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0027% |
89 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $11.15 0.0044696 Eth | $4,765.14 419.185 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0023% |
90 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $11.12 0.0044583 Eth | $3,004.27 21.454 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0001% |
91 | CoinEx | LINK-BTC | $11.12 0.0044625 Eth | $2,177.80 192.970 LINK | 0.0011% |
92 | CoinEx | LINK-USDC | $11.14 0.0044695 Eth | $2,098.34 185.286 LINK | 0.0010% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.13 0.0044618 Eth | $2,013.52 178.545 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0010% |
94 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $11.20 0.0044842 Eth | $1,646.54 146.255 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0008% |
95 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | $11.09 0.0044506 Eth | $1,514.13 1,546.021 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0084% |
96 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $11.13 0.0044630 Eth | $1,308.83 115.150 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0006% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $11.13 0.0044618 Eth | $1,043.46 92.020 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0005% |
98 | Uniswap V3 (Arbitrum One) | 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.15 0.0044682 Eth | $929.67 195.287 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8 | 0.0011% |
99 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $11.15 0.0044645 Eth | $910.72 83.845 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0005% |
100 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $11.25 0.0045011 Eth | $173.68 14.619 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 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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