ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
726,077 ( -0.024%)
Market
Price
$20.23 @ 0.006317 ETH (+1.86%)
Onchain Market Cap
$20,230,000,000.00
Circulating Supply Market Cap
$12,782,782,428.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
475.52570754 LINKValue
$9,619.89 ( ~3.0037 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $20.25 0.0063152 Eth | $90,270,496.00 4,440,520.760 LINK | 26.4476% |
2 | Coinbase Exchange | LINK-USD | $20.19 0.0063085 Eth | $31,464,805.00 1,558,435.110 LINK | 9.2820% |
3 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.25 0.0063269 Eth | $17,496,695.00 865,361.298 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 5.1541% |
4 | Bybit | LINK-USDT | $20.18 0.0063053 Eth | $15,963,765.00 784,388.724 LINK | 4.6718% |
5 | Bitget | LINK-USDT | $20.18 0.0063042 Eth | $13,580,938.00 667,692.212 LINK | 3.9767% |
6 | Gate.io | LINK-USDT | $20.18 0.0063059 Eth | $11,477,147.00 564,082.664 LINK | 3.3597% |
7 | DigiFinex | LINK-USDT | $20.19 0.0063066 Eth | $10,981,651.00 543,976.070 LINK | 3.2399% |
8 | HTX | LINK-USDT | $20.19 0.0063061 Eth | $9,920,871.00 487,601.762 LINK | 2.9041% |
9 | OKX | LINK-USDT | $20.19 0.0063085 Eth | $9,474,327.00 465,194.046 LINK | 2.7707% |
10 | XT.COM | LINK-USDT | $20.23 0.0063404 Eth | $8,986,941.00 441,832.410 LINK | 2.6315% |
11 | Azbit | LINK-USDT | $20.20 0.0063093 Eth | $8,968,702.00 440,841.669 LINK | 2.6256% |
12 | Coinstore | LINK-USDT | $20.24 0.0063216 Eth | $8,128,761.00 399,875.330 LINK | 2.3816% |
13 | CoinW | LINK-USDT | $20.18 0.0063033 Eth | $7,430,502.00 368,261.650 LINK | 2.1934% |
14 | Bitunix | LINK-USDT | $20.21 0.0063108 Eth | $6,666,570.00 329,839.360 LINK | 1.9645% |
15 | Binance | LINK-FDUSD | $20.18 0.0063035 Eth | $6,263,498.00 307,996.330 LINK | 1.8344% |
16 | Hotcoin | LINK-USDT | $20.19 0.0063056 Eth | $5,515,259.00 273,165.170 LINK | 1.6270% |
17 | BYDFi | LINK-USDT | $20.21 0.0063151 Eth | $5,020,321.00 248,402.350 LINK | 1.4795% |
18 | LBank | LINK-USDT | $20.20 0.0063117 Eth | $4,443,345.00 219,959.040 LINK | 1.3101% |
19 | LATOKEN | LINK-USDT | $20.20 0.0063120 Eth | $4,340,671.00 214,877.743 LINK | 1.2798% |
20 | QMall | LINK-USDT | $20.18 0.0063033 Eth | $3,771,720.00 185,440.437 LINK | 1.1045% |
21 | KuCoin | LINK-USDT | $20.19 0.0063090 Eth | $3,271,613.00 162,027.230 LINK | 0.9650% |
22 | Kraken | LINK-USD | $20.22 0.0063178 Eth | $3,126,211.00 154,611.387 LINK | 0.9209% |
23 | Dex-Trade | LINK-USDT | $20.21 0.0063136 Eth | $2,803,021.00 138,693.920 LINK | 0.8261% |
24 | FMCPAY | LINK-USDT | $20.20 0.0063113 Eth | $2,551,678.00 125,206.374 LINK | 0.7457% |
25 | Coinbase Exchange | LINK-EUR | $20.22 0.0063169 Eth | $2,083,760.00 103,053.350 LINK | 0.6138% |
26 | Curve (Ethereum) | 0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.33 0.0063334 Eth | $2,044,228.00 101,674.040 0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5 | 0.6056% |
27 | Bitvavo | LINK-EUR | $20.33 0.0063354 Eth | $2,034,238.00 100,057.095 LINK | 0.5959% |
28 | Coinbase Exchange | LINK-GBP | $20.21 0.0063139 Eth | $2,005,185.00 99,229.390 LINK | 0.5910% |
29 | CoinEx | LINK-USDT | $20.19 0.0063086 Eth | $1,746,423.00 85,763.299 LINK | 0.5108% |
30 | Biconomy.com | LINK-USDT | $20.21 0.0063108 Eth | $1,716,557.00 84,318.380 LINK | 0.5022% |
31 | PointPay | LINK-USDT | $20.21 0.0063109 Eth | $1,421,151.00 69,866.109 LINK | 0.4161% |
32 | FMCPAY | LINK-ETH | $20.20 0.0063130 Eth | $1,258,378.00 62,158.080 LINK | 0.3702% |
33 | FMCPAY | LINK-BTC | $20.20 0.0063127 Eth | $1,232,426.00 60,497.300 LINK | 0.3603% |
34 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.23 0.0063194 Eth | $1,193,089.00 59,137.555 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3522% |
35 | EXMO | LINK-USDT | $20.21 0.0063151 Eth | $938,339.00 46,418.154 LINK | 0.2765% |
36 | Phemex | LINK-USDT | $20.20 0.0063113 Eth | $927,531.00 45,917.680 LINK | 0.2735% |
37 | Trubit | LINK-USDT | $20.20 0.0063129 Eth | $817,249.00 40,243.130 LINK | 0.2397% |
38 | BigONE | LINK-USDT | $20.23 0.0063183 Eth | $729,740.00 36,080.990 LINK | 0.2149% |
39 | tanX | LINK-USDC | $20.22 0.0063165 Eth | $681,324.00 33,517.420 LINK | 0.1996% |
40 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.19 0.0063061 Eth | $567,579.00 27,979.749 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1666% |
41 | Gemini | LINK-USD | $20.19 0.0063071 Eth | $559,275.00 27,701.256 LINK | 0.1650% |
42 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.22 0.0063165 Eth | $524,512.00 26,008.325 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1549% |
43 | Binance | LINK-EUR | $20.31 0.0063487 Eth | $486,448.00 23,849.180 LINK | 0.1420% |
44 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.20 0.0063082 Eth | $463,677.00 22,870.852 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1362% |
45 | Coinbase Exchange | LINK-USDT | $20.34 0.0063525 Eth | $455,730.00 22,405.486 LINK | 0.1334% |
46 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $20.20 0.0063103 Eth | $431,367.00 21,196.181 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1262% |
47 | Bitbegin | LINK-USDT | $20.24 0.0063436 Eth | $430,176.00 21,167.561 LINK | 0.1261% |
48 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.22 0.0063154 Eth | $422,043.00 423,669.695 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.5234% |
49 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.20 0.0063110 Eth | $417,602.00 420,741.805 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.5059% |
50 | Bitbank | LINK-JPY | $20.22 0.0063164 Eth | $413,914.00 20,465.664 LINK | 0.1219% |
51 | Bybit | LINK-USDC | $20.20 0.0063097 Eth | $400,237.00 19,652.935 LINK | 0.1171% |
52 | QMall | LINK-USDC | $20.19 0.0063058 Eth | $337,045.00 16,588.607 LINK | 0.0988% |
53 | GMO Japan | LINK-JPY | $20.23 0.0063195 Eth | $326,171.00 16,124.300 LINK | 0.0960% |
54 | itBit | LINK-USD | $20.20 0.0063087 Eth | $318,639.00 15,774.190 LINK | 0.0940% |
55 | Coinbase Exchange | LINK-ETH | $20.25 0.0063275 Eth | $280,440.00 13,846.140 LINK | 0.0825% |
56 | BitMart | LINK-BTC | $20.21 0.0063148 Eth | $251,813.00 12,457.300 LINK | 0.0742% |
57 | Bitkub | LINK-THB | $20.29 0.0063386 Eth | $245,713.00 12,112.483 LINK | 0.0721% |
58 | Coinbase Exchange | LINK-BTC | $20.18 0.0063066 Eth | $234,437.00 11,614.990 LINK | 0.0692% |
59 | BitDelta | LINK-USDT | $20.18 0.0063034 Eth | $229,730.00 11,311.000 LINK | 0.0674% |
60 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.32 0.0063491 Eth | $205,712.00 15,563.356 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0927% |
61 | Hotcoin | LINK-BTC | $20.22 0.0063171 Eth | $200,758.00 9,930.200 LINK | 0.0591% |
62 | Bitci TR | LINK-TRY | $20.38 0.0063664 Eth | $200,353.00 9,835.448 LINK | 0.0586% |
63 | Slex | LINK-ETH | $20.20 0.0063114 Eth | $175,244.00 8,650.740 LINK | 0.0515% |
64 | OKX | LINK-USDC | $20.18 0.0063053 Eth | $160,896.00 7,914.649 LINK | 0.0471% |
65 | BitStorage | LINK-ETH | $20.24 0.0063341 Eth | $134,139.00 6,628.640 LINK | 0.0395% |
66 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $20.32 0.0063491 Eth | $133,761.00 6,528.931 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0389% |
67 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $20.21 0.0063142 Eth | $131,717.00 6,483.217 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0386% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $20.20 0.0063110 Eth | $123,167.00 6,056.572 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0361% |
69 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $20.16 0.0062969 Eth | $119,308.00 5,903.654 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0352% |
70 | Binance US | LINK-USDT | $20.28 0.0063346 Eth | $118,870.00 5,861.831 LINK | 0.0349% |
71 | LATOKEN | LINK-BTC | $20.18 0.0063041 Eth | $113,325.00 5,615.604 LINK | 0.0334% |
72 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.21 0.0063139 Eth | $110,154.00 5,436.510 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0324% |
73 | Kraken | LINK-GBP | $20.24 0.0063227 Eth | $99,501.00 4,917.132 LINK | 0.0293% |
74 | BitMart | LINK-ETH | $20.21 0.0063149 Eth | $86,806.00 4,294.300 LINK | 0.0256% |
75 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.21 0.0063157 Eth | $55,494.00 2,751.948 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0164% |
76 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.22 0.0063152 Eth | $51,993.00 2,565.223 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0153% |
77 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $20.25 0.0063283 Eth | $51,686.00 2,558.401 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0152% |
78 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.20 0.0063110 Eth | $51,298.00 2,542.283 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0151% |
79 | Nonkyc.io | LINK-BTC | $20.14 0.0062898 Eth | $50,135.00 2,453.373 LINK | 0.0146% |
80 | KuCoin | LINK-USDC | $20.30 0.0063435 Eth | $50,110.00 2,468.223 LINK | 0.0147% |
81 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $20.31 0.0063444 Eth | $44,645.00 2,192.066 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0131% |
82 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.20 0.0063110 Eth | $44,320.00 44,600.341 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.2656% |
83 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $20.24 0.0063194 Eth | $37,147.00 49.268 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
84 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.32 0.0063490 Eth | $30,218.00 2,286.014 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0136% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $20.22 0.0063129 Eth | $29,709.00 1,460.493 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0087% |
86 | Dex-Trade | LINK-ETH | $20.22 0.0063324 Eth | $17,218.32 851.640 LINK | 0.0051% |
87 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $20.30 0.0063420 Eth | $16,235.69 791.875 0X5947BB275C521040051D82396192181B413227A3 | 0.0047% |
88 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $20.23 0.0063157 Eth | $16,086.73 796.851 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0047% |
89 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $20.32 0.0063490 Eth | $13,782.55 668.701 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0040% |
90 | HTX | LINK-BTC | $20.21 0.0063148 Eth | $12,623.85 601.881 LINK | 0.0036% |
91 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $20.24 0.0063224 Eth | $10,607.68 517.964 0X5947BB275C521040051D82396192181B413227A3 | 0.0031% |
92 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.27 0.0063301 Eth | $9,349.05 463.210 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0028% |
93 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $20.22 0.0063127 Eth | $8,499.92 416.758 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0025% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $20.38 0.0063665 Eth | $6,573.39 329.064 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0020% |
95 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.35 0.0063537 Eth | $6,189.23 20.887 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0001% |
96 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.23 0.0063203 Eth | $5,224.00 252.315 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0015% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $20.30 0.0063396 Eth | $4,753.11 227.362 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0014% |
98 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.25 0.0063271 Eth | $4,349.82 4,356.945 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0259% |
99 | Ace | LINK-USDT | $20.20 0.0063106 Eth | $3,743.35 184.230 LINK | 0.0011% |
100 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.19 0.0063079 Eth | $2,679.10 132.501 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0008% |
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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