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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
726,251 (0.00%)
Market
Price
$20.29 @ 0.006299 ETH (+5.31%)
Onchain Market Cap
$20,290,000,000.00
Circulating Supply Market Cap
$12,819,672,454.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
3.16283006 LINKValue
$64.17 ( ~0.0199208672746104 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $20.28 0.0062996 Eth | $28,629,409.00 1,411,497.750 LINK | 10.9871% |
2 | P2B | LINK-USDT | $20.32 0.0063109 Eth | $17,056,708.00 839,432.880 LINK | 6.5341% |
3 | Bitget | LINK-USDT | $20.28 0.0063005 Eth | $14,726,738.00 737,088.144 LINK | 5.7375% |
4 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.26 0.0062632 Eth | $12,866,703.00 640,857.429 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 4.9884% |
5 | Bybit | LINK-USDT | $20.31 0.0063085 Eth | $12,299,016.00 614,934.096 LINK | 4.7866% |
6 | Gate.io | LINK-USDT | $20.28 0.0062992 Eth | $11,055,737.00 552,824.378 LINK | 4.3032% |
7 | DigiFinex | LINK-USDT | $20.28 0.0062991 Eth | $10,554,318.00 520,414.500 LINK | 4.0509% |
8 | HTX | LINK-USDT | $20.28 0.0062986 Eth | $10,198,219.00 512,575.492 LINK | 3.9899% |
9 | OKX | LINK-USDT | $20.31 0.0063118 Eth | $9,875,061.00 496,265.385 LINK | 3.8629% |
10 | MEXC | LINK-USDT | $20.31 0.0063033 Eth | $8,900,834.00 438,354.380 LINK | 3.4121% |
11 | XT.COM | LINK-USDT | $20.31 0.0063117 Eth | $8,408,453.00 420,910.450 LINK | 3.2764% |
12 | Azbit | LINK-USDT | $20.29 0.0063038 Eth | $7,825,833.00 391,730.040 LINK | 3.0492% |
13 | Coinstore | LINK-USDT | $20.28 0.0063041 Eth | $7,582,249.00 379,767.200 LINK | 2.9561% |
14 | CoinW | LINK-USDT | $20.31 0.0063093 Eth | $7,083,796.00 348,833.450 LINK | 2.7153% |
15 | Hotcoin | LINK-USDT | $20.30 0.0063002 Eth | $6,555,909.00 323,028.950 LINK | 2.5144% |
16 | Bitunix | LINK-USDT | $20.25 0.0062879 Eth | $6,429,777.00 317,578.630 LINK | 2.4720% |
17 | Binance | LINK-FDUSD | $20.52 0.0063444 Eth | $6,295,014.00 314,709.600 LINK | 2.4497% |
18 | BYDFi | LINK-USDT | $20.44 0.0063108 Eth | $4,824,073.00 236,031.610 LINK | 1.8373% |
19 | LBank | LINK-USDT | $20.30 0.0063085 Eth | $4,244,490.00 209,045.460 LINK | 1.6272% |
20 | LATOKEN | LINK-USDT | $20.31 0.0063114 Eth | $4,053,286.00 199,532.601 LINK | 1.5532% |
21 | QMall | LINK-USDT | $20.36 0.0063089 Eth | $3,416,954.00 171,040.205 LINK | 1.3314% |
22 | KuCoin | LINK-USDT | $20.28 0.0062995 Eth | $3,089,397.00 152,344.002 LINK | 1.1858% |
23 | BTSE | LINK-USDT | $20.27 0.0062934 Eth | $3,068,180.00 151,374.306 LINK | 1.1783% |
24 | Kraken | LINK-USD | $20.31 0.0063083 Eth | $2,951,089.00 145,321.513 LINK | 1.1312% |
25 | Dex-Trade | LINK-USDT | $20.31 0.0063139 Eth | $2,665,077.00 131,201.350 LINK | 1.0213% |
26 | FMCPAY | LINK-USDT | $20.26 0.0062930 Eth | $2,336,971.00 117,095.004 LINK | 0.9115% |
27 | Curve (Ethereum) | 0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.31 0.0062847 Eth | $2,051,734.00 102,134.857 0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5 | 0.7950% |
28 | Bitvavo | LINK-EUR | $20.28 0.0062985 Eth | $1,763,973.00 86,987.731 LINK | 0.6771% |
29 | Biconomy.com | LINK-USDT | $20.47 0.0063220 Eth | $1,725,554.00 86,543.090 LINK | 0.6736% |
30 | Coinbase Exchange | LINK-EUR | $20.31 0.0063068 Eth | $1,639,298.00 80,728.790 LINK | 0.6284% |
31 | Coinbase Exchange | LINK-GBP | $20.29 0.0063005 Eth | $1,487,331.00 73,318.430 LINK | 0.5707% |
32 | PointPay | LINK-USDT | $20.37 0.0063108 Eth | $1,384,488.00 69,278.946 LINK | 0.5393% |
33 | CoinEx | LINK-USDT | $20.31 0.0063076 Eth | $1,293,017.00 64,593.719 LINK | 0.5028% |
34 | FMCPAY | LINK-ETH | $20.28 0.0062951 Eth | $1,153,255.00 57,453.440 LINK | 0.4472% |
35 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.41 0.0063347 Eth | $1,101,488.00 53,929.427 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.4198% |
36 | tanX | LINK-USDC | $20.29 0.0063039 Eth | $977,217.00 49,057.750 LINK | 0.3819% |
37 | EXMO | LINK-USDT | $20.30 0.0063047 Eth | $947,178.00 46,668.742 LINK | 0.3633% |
38 | Phemex | LINK-USDT | $20.30 0.0063067 Eth | $913,860.00 45,006.680 LINK | 0.3503% |
39 | BigONE | LINK-USDT | $20.31 0.0063089 Eth | $841,736.00 41,454.110 LINK | 0.3227% |
40 | Trubit | LINK-USDT | $20.27 0.0062967 Eth | $760,557.00 38,103.570 LINK | 0.2966% |
41 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.25 0.0062912 Eth | $753,093.00 37,756.226 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2939% |
42 | BitStorage | LINK-USDT | $20.40 0.0063055 Eth | $686,546.00 33,648.360 LINK | 0.2619% |
43 | Gemini | LINK-USD | $20.31 0.0063083 Eth | $499,285.00 24,583.163 LINK | 0.1914% |
44 | EarnBIT | LINK-USDT | $20.28 0.0063011 Eth | $469,683.00 23,589.677 LINK | 0.1836% |
45 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.40 0.0063343 Eth | $434,965.00 21,690.282 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1688% |
46 | Bitbank | LINK-JPY | $20.30 0.0063108 Eth | $406,111.00 20,002.643 LINK | 0.1557% |
47 | Coinbase Exchange | LINK-USDT | $20.28 0.0063005 Eth | $389,256.00 19,189.346 LINK | 0.1494% |
48 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.26 0.0062933 Eth | $383,459.00 377,349.181 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.9373% |
49 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.30 0.0062661 Eth | $375,317.00 18,699.672 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1456% |
50 | Binance | LINK-TRY | $20.28 0.0062982 Eth | $346,293.00 17,356.520 LINK | 0.1351% |
51 | QMall | LINK-USDC | $20.31 0.0063048 Eth | $326,319.00 16,333.921 LINK | 0.1271% |
52 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.40 0.0062933 Eth | $320,867.00 314,755.947 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.4501% |
53 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $20.28 0.0063031 Eth | $301,778.00 15,140.243 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1179% |
54 | GMO Japan | LINK-JPY | $20.33 0.0063210 Eth | $292,307.00 14,381.300 LINK | 0.1119% |
55 | BitMart | LINK-BTC | $20.31 0.0063073 Eth | $269,177.00 13,255.500 LINK | 0.1032% |
56 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.35 0.0063266 Eth | $265,363.00 13,169.178 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1025% |
57 | Hotcoin | LINK-BTC | $20.46 0.0063123 Eth | $232,308.00 11,355.070 LINK | 0.0884% |
58 | OKX | LINK-USDC | $20.32 0.0063140 Eth | $221,021.00 11,113.103 LINK | 0.0865% |
59 | Coinbase Exchange | LINK-BTC | $20.30 0.0063045 Eth | $206,747.00 10,186.980 LINK | 0.0793% |
60 | Bitci TR | LINK-TRY | $20.36 0.0063298 Eth | $197,464.00 9,896.254 LINK | 0.0770% |
61 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.34 0.0062881 Eth | $193,069.00 14,377.672 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1119% |
62 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.43 0.0063149 Eth | $186,772.00 9,269.572 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0722% |
63 | Kraken | LINK-GBP | $20.36 0.0063240 Eth | $151,856.00 7,459.328 LINK | 0.0581% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.31 0.0063062 Eth | $131,026.00 6,534.900 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0509% |
65 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.38 0.0063198 Eth | $127,539.00 6,278.783 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0489% |
66 | BitStorage | LINK-ETH | $20.46 0.0063194 Eth | $123,446.00 6,033.530 LINK | 0.0470% |
67 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $20.28 0.0062954 Eth | $122,933.00 6,160.531 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0480% |
68 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $20.27 0.0062995 Eth | $118,478.00 5,935.218 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0462% |
69 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $20.44 0.0063206 Eth | $111,055.00 5,565.799 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0433% |
70 | BitMart | LINK-ETH | $20.28 0.0062977 Eth | $88,775.00 4,378.360 LINK | 0.0341% |
71 | LATOKEN | LINK-BTC | $20.30 0.0063066 Eth | $88,431.00 4,356.550 LINK | 0.0339% |
72 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $20.28 0.0062991 Eth | $80,866.00 4,019.126 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0313% |
73 | Bitso | LINK-USD | $20.29 0.0063015 Eth | $80,501.00 3,967.715 LINK | 0.0309% |
74 | Hotcoin | LINK-ETH | $20.26 0.0062928 Eth | $78,712.00 3,884.950 LINK | 0.0302% |
75 | Binance US | LINK-USDT | $20.29 0.0063030 Eth | $77,947.00 3,842.170 LINK | 0.0299% |
76 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $20.40 0.0063385 Eth | $59,703.00 2,968.027 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0231% |
77 | Mercado Bitcoin | LINK-BRL | $20.25 0.0062890 Eth | $47,802.00 2,360.713 LINK | 0.0184% |
78 | BTCMarkets | LINK-AUD | $20.34 0.0062935 Eth | $44,961.00 2,211.030 LINK | 0.0172% |
79 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.25 0.0062912 Eth | $42,945.00 42,238.921 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3288% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.39 0.0063298 Eth | $40,104.00 1,963.354 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0153% |
81 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $20.27 0.0062973 Eth | $31,033.00 1,548.090 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0121% |
82 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $20.29 0.0062995 Eth | $28,863.00 1,444.172 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0112% |
83 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $20.45 0.0063228 Eth | $27,936.00 36.154 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
84 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $20.39 0.0063041 Eth | $20,750.00 1,020.885 0X5947BB275C521040051D82396192181B413227A3 | 0.0079% |
85 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $20.34 0.0063179 Eth | $16,291.89 801.527 0X5947BB275C521040051D82396192181B413227A3 | 0.0062% |
86 | Dex-Trade | LINK-ETH | $20.31 0.0063108 Eth | $15,778.43 776.830 LINK | 0.0060% |
87 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.34 0.0063155 Eth | $15,764.94 784.552 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0061% |
88 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $20.35 0.0062909 Eth | $13,018.61 655.368 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0051% |
89 | Gemini | LINK-BTC | $20.26 0.0062932 Eth | $12,265.01 605.338 LINK | 0.0047% |
90 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $20.27 0.0062989 Eth | $10,333.66 510.284 0X5947BB275C521040051D82396192181B413227A3 | 0.0040% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $20.12 0.0062476 Eth | $8,577.26 425.348 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0033% |
92 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.40 0.0063266 Eth | $8,100.25 400.353 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0031% |
93 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.34 0.0063182 Eth | $7,733.88 25.792 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
94 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $20.50 0.0063639 Eth | $7,671.50 383.720 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0030% |
95 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $20.27 0.0062936 Eth | $5,548.44 275.683 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0021% |
96 | zondacrypto | LINK-USDC | $20.39 0.0063393 Eth | $4,628.98 226.970 LINK | 0.0018% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.49 0.0063666 Eth | $3,897.73 183.337 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0014% |
98 | CoinEx | LINK-BTC | $20.34 0.0063192 Eth | $3,775.61 187.672 LINK | 0.0015% |
99 | Ace | LINK-USDT | $20.42 0.0063023 Eth | $3,460.28 173.470 LINK | 0.0014% |
100 | Bitexen | LINK-TRY | $20.14 0.0062514 Eth | $2,647.04 131.453 LINK | 0.0010% |
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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