ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,710 ( -0.003%)
Market
Price
$23.52 @ 0.006452 ETH (+1.13%)
Onchain Market Cap
$23,520,000,000.00
Circulating Supply Market Cap
$14,850,904,875.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
370.396237671085198 LINKValue
$8,711.72 ( ~2.3899 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $23.49 0.0064343 Eth | $33,063,454.00 1,407,374.720 LINK | 11.2386% |
2 | WhiteBIT | LINK-USDT | $23.52 0.0064397 Eth | $26,560,954.00 1,129,511.850 LINK | 9.0197% |
3 | Bybit | LINK-USDT | $23.48 0.0064397 Eth | $20,070,942.00 853,747.747 LINK | 6.8176% |
4 | MEXC | LINK-USDT | $23.52 0.0064413 Eth | $18,335,199.00 779,509.770 LINK | 6.2248% |
5 | P2B | LINK-USDT | $23.53 0.0064424 Eth | $17,808,726.00 756,995.860 LINK | 6.0450% |
6 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.49 0.0064386 Eth | $16,568,011.00 703,679.448 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 5.6192% |
7 | CoinW | LINK-USDT | $23.48 0.0064360 Eth | $15,114,228.00 643,724.830 LINK | 5.1405% |
8 | OKX | LINK-USDT | $23.48 0.0064390 Eth | $13,945,836.00 592,309.622 LINK | 4.7299% |
9 | DigiFinex | LINK-USDT | $23.48 0.0064390 Eth | $10,851,821.00 462,146.880 LINK | 3.6905% |
10 | XT.COM | LINK-USDT | $23.53 0.0064441 Eth | $8,362,225.00 355,382.970 LINK | 2.8379% |
11 | Azbit | LINK-USDT | $23.53 0.0064448 Eth | $8,352,452.00 355,006.625 LINK | 2.8349% |
12 | HTX | LINK-USDT | $23.49 0.0064418 Eth | $7,877,652.00 336,021.779 LINK | 2.6833% |
13 | Coinstore | LINK-USDT | $23.45 0.0064236 Eth | $7,694,669.00 327,163.760 LINK | 2.6126% |
14 | BYDFi | LINK-USDT | $23.53 0.0064368 Eth | $5,526,322.00 234,840.060 LINK | 1.8753% |
15 | Biconomy.com | LINK-USDT | $23.48 0.0064400 Eth | $5,420,307.00 231,707.970 LINK | 1.8503% |
16 | Bithumb | LINK-KRW | $23.66 0.0064853 Eth | $4,995,578.00 211,148.829 LINK | 1.6861% |
17 | LBank | LINK-USDT | $23.60 0.0064516 Eth | $4,230,141.00 179,277.320 LINK | 1.4316% |
18 | LATOKEN | LINK-USDT | $23.54 0.0064330 Eth | $4,128,539.00 175,383.414 LINK | 1.4005% |
19 | Hotcoin | LINK-USDT | $23.59 0.0064592 Eth | $3,160,596.00 133,977.250 LINK | 1.0699% |
20 | Kraken | LINK-USD | $23.48 0.0064385 Eth | $2,971,878.00 126,566.227 LINK | 1.0107% |
21 | Dex-Trade | LINK-USDT | $23.53 0.0064424 Eth | $2,696,229.00 114,608.670 LINK | 0.9152% |
22 | KuCoin | LINK-USDT | $23.48 0.0064377 Eth | $2,348,659.00 100,042.322 LINK | 0.7989% |
23 | CoinEx | LINK-USDT | $23.50 0.0064378 Eth | $2,268,947.00 96,582.771 LINK | 0.7713% |
24 | Bitvavo | LINK-EUR | $23.53 0.0064478 Eth | $2,183,176.00 92,774.533 LINK | 0.7409% |
25 | Dcoin | LINK-USDT | $23.47 0.0064364 Eth | $2,080,974.00 88,658.000 LINK | 0.7080% |
26 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.52 0.0064407 Eth | $1,963,995.00 83,480.843 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.6666% |
27 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.50 0.0064351 Eth | $1,726,818.00 73,388.943 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5860% |
28 | Coinbase Exchange | LINK-EUR | $23.50 0.0064445 Eth | $1,367,150.00 58,170.290 LINK | 0.4645% |
29 | PointPay | LINK-USDT | $23.52 0.0064405 Eth | $1,274,527.00 54,193.647 LINK | 0.4328% |
30 | EXMO | LINK-USDT | $23.50 0.0064445 Eth | $1,207,302.00 51,371.822 LINK | 0.4102% |
31 | Bybit | LINK-USDC | $23.47 0.0064359 Eth | $1,158,599.00 49,179.567 LINK | 0.3927% |
32 | tanX | LINK-USDC | $23.49 0.0064403 Eth | $1,155,504.00 49,270.270 LINK | 0.3934% |
33 | WhiteBIT | LINK-BTC | $23.52 0.0064408 Eth | $1,123,959.00 47,786.890 LINK | 0.3816% |
34 | Gemini | LINK-USD | $23.50 0.0064441 Eth | $1,099,541.00 46,788.975 LINK | 0.3736% |
35 | WhiteBIT | LINK-TRY | $23.53 0.0064434 Eth | $989,973.00 42,074.350 LINK | 0.3360% |
36 | Phemex | LINK-USDT | $23.50 0.0064392 Eth | $904,086.00 38,467.790 LINK | 0.3072% |
37 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.56 0.0064591 Eth | $803,074.00 52,735.716 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.4211% |
38 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.52 0.0064431 Eth | $730,140.00 30,971.084 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2473% |
39 | EarnBIT | LINK-USDT | $23.49 0.0064350 Eth | $676,165.00 28,750.543 LINK | 0.2296% |
40 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.53 0.0064467 Eth | $633,585.00 26,800.673 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2140% |
41 | Bitstamp | LINK-EUR | $23.52 0.0064505 Eth | $605,523.00 25,741.528 LINK | 0.2056% |
42 | Bitbank | LINK-JPY | $23.62 0.0064741 Eth | $602,486.00 25,511.113 LINK | 0.2037% |
43 | BigONE | LINK-USDT | $23.55 0.0064415 Eth | $540,259.00 22,937.240 LINK | 0.1832% |
44 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.51 0.0064390 Eth | $537,680.00 535,731.203 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 4.2781% |
45 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.49 0.0064386 Eth | $525,133.00 22,157.540 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.1769% |
46 | Bitstamp | LINK-USD | $23.53 0.0064524 Eth | $513,789.00 21,835.486 LINK | 0.1744% |
47 | Bitbegin | LINK-USDT | $23.52 0.0064438 Eth | $476,608.00 20,328.492 LINK | 0.1623% |
48 | HashKey Exchange | LINK-USD | $23.52 0.0064428 Eth | $445,589.00 19,009.551 LINK | 0.1518% |
49 | Coinbase Exchange | LINK-GBP | $23.52 0.0064500 Eth | $379,247.00 16,122.600 LINK | 0.1287% |
50 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.52 0.0064431 Eth | $345,593.00 345,546.351 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7594% |
51 | OKX | LINK-USDC | $23.46 0.0064332 Eth | $330,208.00 14,042.370 LINK | 0.1121% |
52 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.66 0.0064795 Eth | $313,519.00 13,339.340 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1065% |
53 | Coinbase Exchange | LINK-ETH | $23.50 0.0064421 Eth | $300,219.00 12,774.450 LINK | 0.1020% |
54 | GMO Japan | LINK-JPY | $23.60 0.0064701 Eth | $264,187.00 11,193.300 LINK | 0.0894% |
55 | BitMart | LINK-BTC | $23.49 0.0064405 Eth | $257,274.00 10,950.580 LINK | 0.0874% |
56 | Slex | LINK-ETH | $23.54 0.0064450 Eth | $246,553.00 10,484.370 LINK | 0.0837% |
57 | Bitci TR | LINK-TRY | $23.75 0.0065100 Eth | $241,517.00 10,290.230 LINK | 0.0822% |
58 | Coinone | LINK-KRW | $23.67 0.0064896 Eth | $230,410.00 9,735.959 LINK | 0.0777% |
59 | BitDelta | LINK-USDT | $23.53 0.0064449 Eth | $222,160.00 9,481.000 LINK | 0.0757% |
60 | Bitkub | LINK-THB | $23.45 0.0064297 Eth | $172,405.00 7,352.888 LINK | 0.0587% |
61 | LATOKEN | LINK-BTC | $23.51 0.0064374 Eth | $138,135.00 5,876.305 LINK | 0.0469% |
62 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.54 0.0064465 Eth | $136,823.00 5,818.012 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0465% |
63 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.54 0.0064352 Eth | $135,285.00 5,743.661 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0459% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.57 0.0064585 Eth | $127,126.00 5,394.280 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0431% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.51 0.0064417 Eth | $107,921.00 4,553.767 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0364% |
66 | Hotcoin | LINK-BTC | $23.53 0.0064428 Eth | $105,025.00 4,463.910 LINK | 0.0356% |
67 | Nonkyc.io | LINK-BTC | $23.60 0.0064702 Eth | $99,321.00 4,194.299 LINK | 0.0335% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.52 0.0064431 Eth | $98,821.00 4,208.864 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0336% |
69 | BitMart | LINK-ETH | $23.50 0.0064420 Eth | $87,098.00 3,706.100 LINK | 0.0296% |
70 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.47 0.0064282 Eth | $84,557.00 3,600.350 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0288% |
71 | Bitso | LINK-USD | $23.59 0.0064611 Eth | $78,230.00 3,315.617 LINK | 0.0265% |
72 | EXMO | LINK-BTC | $23.51 0.0064475 Eth | $73,547.00 3,128.041 LINK | 0.0250% |
73 | Bitexen | LINK-TRY | $23.28 0.0063806 Eth | $61,745.00 2,652.795 LINK | 0.0212% |
74 | Binance US | LINK-USDT | $23.50 0.0064424 Eth | $57,349.00 2,440.251 LINK | 0.0195% |
75 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.50 0.0064351 Eth | $51,997.00 51,827.181 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4139% |
76 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.54 0.0064463 Eth | $48,662.00 2,054.343 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0164% |
77 | Hotcoin | LINK-ETH | $23.54 0.0064457 Eth | $38,282.00 1,626.370 LINK | 0.0130% |
78 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.56 0.0064513 Eth | $38,189.00 49.124 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0004% |
79 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.58 0.0064582 Eth | $30,831.00 1,360.726 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0109% |
80 | Korbit | LINK-KRW | $23.78 0.0065196 Eth | $24,080.00 1,020.299 LINK | 0.0081% |
81 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.52 0.0064431 Eth | $23,862.00 1,017.069 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0081% |
82 | Dex-Trade | LINK-ETH | $23.48 0.0064364 Eth | $16,856.72 717.940 LINK | 0.0057% |
83 | PancakeSwap V1 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.62 0.0064707 Eth | $15,905.76 753.875 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0060% |
84 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.49 0.0064386 Eth | $15,277.35 657.399 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0052% |
85 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.49 0.0064410 Eth | $14,553.70 620.038 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0050% |
86 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.46 0.0064238 Eth | $14,464.83 606.979 0X5947BB275C521040051D82396192181B413227A3 | 0.0048% |
87 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $23.55 0.0064533 Eth | $13,230.10 558.262 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0045% |
88 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.50 0.0064359 Eth | $9,475.44 396.909 0X5947BB275C521040051D82396192181B413227A3 | 0.0032% |
89 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.52 0.0064420 Eth | $9,451.40 400.036 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0032% |
90 | KuCoin | LINK-KCS | $23.38 0.0064123 Eth | $7,897.22 337.720 LINK | 0.0027% |
91 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.69 0.0064906 Eth | $7,190.80 306.313 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0024% |
92 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.58 0.0064490 Eth | $6,702.40 6,678.810 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0533% |
93 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.70 0.0064805 Eth | $5,944.67 5,871.170 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0469% |
94 | CoinEx | LINK-BTC | $23.43 0.0064175 Eth | $4,480.81 189.622 LINK | 0.0015% |
95 | Ace | LINK-USDT | $23.50 0.0064397 Eth | $3,081.22 131.070 LINK | 0.0010% |
96 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.51 0.0064369 Eth | $2,480.34 7.169 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0001% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $23.70 0.0064941 Eth | $2,130.63 91.193 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0007% |
98 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.51 0.0064459 Eth | $2,122.77 90.608 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0007% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.60 0.0064621 Eth | $1,237.98 52.549 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
100 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.42 0.0064230 Eth | $1,015.96 2.971 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0000% |
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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