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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
730,497 ( 0.014%)
Market
Price
$25.27 @ 0.007635 ETH (+2.02%)
Onchain Market Cap
$25,270,000,000.00
Circulating Supply Market Cap
$16,124,351,140.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000029608629484126 LINKValue
$0.00 ( ~0 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Websea | LINK-USDT | $25.26 0.0076312 Eth | $71,175,995.00 0.000 LINK | 0.0000% |
2 | Coinbase Exchange | LINK-USD | $25.27 0.0076333 Eth | $36,767,137.00 1,454,971.800 LINK | 15.4876% |
3 | Bybit | LINK-USDT | $25.26 0.0076287 Eth | $25,651,790.00 1,014,186.502 LINK | 10.7956% |
4 | WEEX | LINK-USDT | $25.26 0.0076316 Eth | $22,735,657.00 899,405.030 LINK | 9.5738% |
5 | HTX | LINK-USDT | $25.28 0.0076347 Eth | $13,198,720.00 522,417.250 LINK | 5.5609% |
6 | OKX | LINK-USDT | $25.29 0.0076402 Eth | $11,276,562.00 445,636.289 LINK | 4.7436% |
7 | Deepcoin | LINK-USDT | $25.29 0.0076505 Eth | $7,948,721.00 322,582.320 LINK | 3.4338% |
8 | BVOX | LINK-USDT | $25.31 0.0076510 Eth | $7,437,133.00 294,402.620 LINK | 3.1338% |
9 | Gate.io | LINK-USDT | $25.27 0.0076344 Eth | $6,729,624.00 266,403.580 LINK | 2.8358% |
10 | KuCoin | LINK-USDT | $25.26 0.0076291 Eth | $6,624,473.00 262,270.576 LINK | 2.7918% |
11 | XT.COM | LINK-USDT | $25.27 0.0076412 Eth | $6,584,073.00 260,579.230 LINK | 2.7738% |
12 | Azbit | LINK-USDT | $25.26 0.0076339 Eth | $6,543,662.00 258,936.621 LINK | 2.7563% |
13 | Coinstore | LINK-USDT | $25.23 0.0076279 Eth | $6,079,270.00 240,671.520 LINK | 2.5619% |
14 | Bitunix | LINK-USDT | $25.26 0.0076383 Eth | $5,526,494.00 218,800.260 LINK | 2.3290% |
15 | BTSE | LINK-USDT | $25.26 0.0076371 Eth | $4,341,162.00 171,842.091 LINK | 1.8292% |
16 | CoinW | LINK-USDT | $25.31 0.0076483 Eth | $4,091,034.00 161,639.570 LINK | 1.7206% |
17 | BYDFi | LINK-USDT | $25.30 0.0076407 Eth | $3,694,802.00 146,063.050 LINK | 1.5548% |
18 | Coinbase Exchange | LINK-EUR | $25.33 0.0076560 Eth | $3,485,453.00 137,618.900 LINK | 1.4649% |
19 | LATOKEN | LINK-USDT | $25.25 0.0076353 Eth | $3,145,738.00 124,597.091 LINK | 1.3263% |
20 | FMCPAY | LINK-USDT | $25.26 0.0076368 Eth | $3,102,359.00 122,640.936 LINK | 1.3055% |
21 | Kraken | LINK-USD | $25.29 0.0076392 Eth | $2,968,716.00 117,379.535 LINK | 1.2495% |
22 | QMall | LINK-USDT | $25.26 0.0076437 Eth | $2,710,255.00 107,230.535 LINK | 1.1414% |
23 | Bitvavo | LINK-EUR | $25.30 0.0076480 Eth | $2,595,909.00 102,623.923 LINK | 1.0924% |
24 | Hotcoin | LINK-USDT | $25.31 0.0076439 Eth | $2,302,750.00 90,996.450 LINK | 0.9686% |
25 | Dex-Trade | LINK-USDT | $25.29 0.0076520 Eth | $2,140,575.00 84,655.704 LINK | 0.9011% |
26 | Bitstamp | LINK-USD | $25.29 0.0076387 Eth | $2,101,236.00 83,085.658 LINK | 0.8844% |
27 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.36 0.0076606 Eth | $1,757,464.00 69,607.021 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7409% |
28 | FMCPAY | LINK-ETH | $25.27 0.0076382 Eth | $1,676,305.00 66,723.520 LINK | 0.7102% |
29 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.30 0.0076489 Eth | $1,531,476.00 61,016.821 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.6495% |
30 | FMCPAY | LINK-BTC | $25.24 0.0076344 Eth | $1,418,596.00 56,077.400 LINK | 0.5969% |
31 | Bitstamp | LINK-EUR | $25.32 0.0076467 Eth | $1,415,556.00 55,914.703 LINK | 0.5952% |
32 | Coinbase Exchange | LINK-GBP | $25.23 0.0076276 Eth | $1,348,037.00 53,427.410 LINK | 0.5687% |
33 | CoinEx | LINK-USDT | $25.26 0.0076317 Eth | $1,303,133.00 51,387.561 LINK | 0.5470% |
34 | OKX | LINK-USDC | $25.30 0.0076417 Eth | $1,174,163.00 46,146.626 LINK | 0.4912% |
35 | tanX | LINK-USDC | $25.25 0.0076349 Eth | $1,083,486.00 42,798.080 LINK | 0.4556% |
36 | PointPay | LINK-USDT | $25.17 0.0076241 Eth | $1,055,173.00 41,769.945 LINK | 0.4446% |
37 | Trubit | LINK-USDT | $25.25 0.0076422 Eth | $892,397.00 35,341.310 LINK | 0.3762% |
38 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.29 0.0076434 Eth | $807,613.00 32,054.194 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3412% |
39 | WhiteBIT | LINK-TRY | $25.25 0.0076468 Eth | $745,630.00 29,529.110 LINK | 0.3143% |
40 | EXMO | LINK-USDT | $25.30 0.0076420 Eth | $744,220.00 29,415.986 LINK | 0.3131% |
41 | Phemex | LINK-USDT | $25.26 0.0076347 Eth | $681,018.00 26,964.120 LINK | 0.2870% |
42 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $25.33 0.0076521 Eth | $525,978.00 20,824.651 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2217% |
43 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.23 0.0076279 Eth | $512,332.00 20,287.900 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2160% |
44 | Coinbase Exchange | LINK-USDT | $25.21 0.0076230 Eth | $505,361.00 20,048.757 LINK | 0.2134% |
45 | WhiteBIT | LINK-BTC | $25.23 0.0076243 Eth | $486,311.00 19,275.090 LINK | 0.2052% |
46 | Bitbank | LINK-JPY | $25.28 0.0076351 Eth | $438,606.00 17,352.939 LINK | 0.1847% |
47 | Gemini | LINK-USD | $25.28 0.0076363 Eth | $384,462.00 15,209.041 LINK | 0.1619% |
48 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.18 0.0076065 Eth | $375,775.00 14,961.251 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1593% |
49 | BigONE | LINK-USDT | $25.28 0.0076355 Eth | $373,275.00 14,767.360 LINK | 0.1572% |
50 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.22 0.0076243 Eth | $346,879.00 13,828.842 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1472% |
51 | QMall | LINK-USDC | $25.24 0.0076334 Eth | $325,102.00 12,841.846 LINK | 0.1367% |
52 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.29 0.0076434 Eth | $324,257.00 323,843.062 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.4472% |
53 | BitMart | LINK-BTC | $25.30 0.0076410 Eth | $302,118.00 11,942.620 LINK | 0.1271% |
54 | Coinbase Exchange | LINK-BTC | $25.29 0.0076397 Eth | $274,159.00 10,840.210 LINK | 0.1154% |
55 | LATOKEN | LINK-BTC | $25.30 0.0076459 Eth | $273,412.00 10,806.188 LINK | 0.1150% |
56 | Slex | LINK-ETH | $25.26 0.0076382 Eth | $260,546.00 10,384.530 LINK | 0.1105% |
57 | Bitci TR | LINK-TRY | $25.47 0.0076923 Eth | $232,140.00 9,138.320 LINK | 0.0973% |
58 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $25.29 0.0076434 Eth | $224,523.00 8,889.254 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0946% |
59 | WhiteBIT | LINK-EUR | $25.29 0.0076400 Eth | $222,070.00 8,779.440 LINK | 0.0935% |
60 | BitStorage | LINK-ETH | $25.29 0.0076394 Eth | $216,969.00 8,579.310 LINK | 0.0913% |
61 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.29 0.0076474 Eth | $186,767.00 7,383.549 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0786% |
62 | GMO Japan | LINK-JPY | $25.30 0.0076430 Eth | $171,334.00 6,771.600 LINK | 0.0721% |
63 | Bitkub | LINK-THB | $25.51 0.0077125 Eth | $170,856.00 6,696.333 LINK | 0.0713% |
64 | Bitso | LINK-USD | $25.28 0.0076377 Eth | $151,434.00 5,989.265 LINK | 0.0638% |
65 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.37 0.0076617 Eth | $108,656.00 4,250.131 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0452% |
66 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.24 0.0076241 Eth | $98,064.00 3,901.142 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0415% |
67 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.21 0.0076157 Eth | $96,586.00 96,621.783 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 1.0285% |
68 | BitMart | LINK-ETH | $25.30 0.0076426 Eth | $96,033.00 3,795.360 LINK | 0.0404% |
69 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $25.18 0.0076072 Eth | $85,975.00 3,418.635 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0364% |
70 | Hotcoin | LINK-BTC | $25.30 0.0076459 Eth | $80,225.00 3,170.770 LINK | 0.0338% |
71 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $25.19 0.0076081 Eth | $65,973.00 2,614.568 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0278% |
72 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.27 0.0076435 Eth | $50,263.00 50,255.488 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5350% |
73 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.32 0.0076523 Eth | $41,845.00 1,654.881 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0176% |
74 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $25.19 0.0076129 Eth | $31,175.00 1,234.038 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0131% |
75 | Dex-Trade | LINK-ETH | $25.28 0.0076361 Eth | $28,107.00 1,111.880 LINK | 0.0118% |
76 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $25.21 0.0076245 Eth | $24,766.00 976.652 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0104% |
77 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $25.16 0.0076041 Eth | $23,338.00 923.135 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0098% |
78 | Hotcoin | LINK-ETH | $25.25 0.0076403 Eth | $23,333.00 924.040 LINK | 0.0098% |
79 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $25.31 0.0076464 Eth | $21,674.00 841.990 0X5947BB275C521040051D82396192181B413227A3 | 0.0090% |
80 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $25.31 0.0076499 Eth | $20,537.00 27.297 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
81 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $25.22 0.0076244 Eth | $19,119.33 755.561 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0080% |
82 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $25.17 0.0076031 Eth | $16,599.49 655.702 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0070% |
83 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $25.27 0.0076344 Eth | $16,538.20 642.710 0X5947BB275C521040051D82396192181B413227A3 | 0.0068% |
84 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.34 0.0076596 Eth | $11,776.73 468.048 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0050% |
85 | Gemini | LINK-BTC | $25.19 0.0076095 Eth | $11,687.89 463.992 LINK | 0.0049% |
86 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.35 0.0076560 Eth | $9,994.91 30.031 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0003% |
87 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.31 0.0076495 Eth | $8,299.99 330.027 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0035% |
88 | Bitexen | LINK-TRY | $25.09 0.0075820 Eth | $5,770.06 229.973 LINK | 0.0024% |
89 | CoinEx | LINK-USDC | $25.30 0.0076411 Eth | $5,707.29 225.866 LINK | 0.0024% |
90 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $25.29 0.0076394 Eth | $5,145.52 205.701 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0022% |
91 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.24 0.0076306 Eth | $4,686.74 4,683.710 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0499% |
92 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.18 0.0076116 Eth | $3,404.85 135.942 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0014% |
93 | Ace | LINK-USDT | $25.33 0.0076546 Eth | $2,755.05 109.060 LINK | 0.0012% |
94 | CoinEx | LINK-BTC | $25.32 0.0076496 Eth | $2,736.60 108.159 LINK | 0.0012% |
95 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $25.22 0.0076167 Eth | $2,337.95 93.124 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0010% |
96 | Lydia Finance | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $25.17 0.0076083 Eth | $2,166.00 84.079 0X5947BB275C521040051D82396192181B413227A3 | 0.0009% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.14 0.0076022 Eth | $1,921.03 76.179 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0008% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC3C7D422809852031B44AB29EEC9F1EFF2A58756 | $25.28 0.0076346 Eth | $1,540.22 57.177 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0006% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $25.14 0.0076053 Eth | $1,385.00 54.624 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
100 | Retro | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.18 0.0076185 Eth | $814.73 32.510 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0003% |
Contract Source Code Verified (Exact Match)
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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