ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,093 ( 0.031%)
Market
Price
$21.23 @ 0.006337 ETH (-3.79%)
Onchain Market Cap
$21,230,000,000.00
Circulating Supply Market Cap
$13,440,905,253.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $21.25 0.0063500 Eth | $23,001,007.00 1,082,451.290 LINK | 9.0570% |
2 | Slex | LINK-USDT | $21.27 0.0063421 Eth | $22,620,140.00 1,043,145.970 LINK | 8.7281% |
3 | WhiteBIT | LINK-USDT | $21.22 0.0063388 Eth | $17,529,749.00 826,232.520 LINK | 6.9132% |
4 | MEXC | LINK-USDT | $21.25 0.0063485 Eth | $15,214,577.00 715,845.420 LINK | 5.9896% |
5 | Bybit | LINK-USDT | $21.24 0.0063373 Eth | $15,012,573.00 691,240.288 LINK | 5.7837% |
6 | P2B | LINK-USDT | $21.30 0.0063498 Eth | $13,001,114.00 610,363.390 LINK | 5.1070% |
7 | Gate.io | LINK-USDT | $21.25 0.0063416 Eth | $9,984,299.00 460,268.680 LINK | 3.8511% |
8 | CoinW | LINK-USDT | $21.25 0.0063513 Eth | $9,938,716.00 467,628.770 LINK | 3.9127% |
9 | OKX | LINK-USDT | $21.26 0.0063435 Eth | $9,180,591.00 423,131.378 LINK | 3.5404% |
10 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $21.20 0.0063271 Eth | $8,914,463.00 414,013.923 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.4641% |
11 | HTX | LINK-USDT | $21.25 0.0063404 Eth | $7,520,173.00 347,018.017 LINK | 2.9035% |
12 | DigiFinex | LINK-USDT | $21.27 0.0063458 Eth | $7,369,795.00 346,557.530 LINK | 2.8997% |
13 | Deepcoin | LINK-USDT | $21.24 0.0063392 Eth | $6,190,680.00 319,797.580 LINK | 2.6758% |
14 | XT.COM | LINK-USDT | $21.22 0.0063416 Eth | $5,991,981.00 275,929.760 LINK | 2.3087% |
15 | Azbit | LINK-USDT | $21.24 0.0063425 Eth | $5,871,230.00 270,516.729 LINK | 2.2634% |
16 | Coinstore | LINK-USDT | $21.21 0.0063330 Eth | $5,277,544.00 243,353.110 LINK | 2.0362% |
17 | Biconomy.com | LINK-USDT | $21.23 0.0063407 Eth | $5,207,608.00 240,178.923 LINK | 2.0096% |
18 | Bitunix | LINK-USDT | $21.25 0.0063479 Eth | $4,752,842.00 223,726.180 LINK | 1.8719% |
19 | Coinbase Exchange | LINK-GBP | $21.25 0.0063511 Eth | $3,929,421.00 184,891.350 LINK | 1.5470% |
20 | BYDFi | LINK-USDT | $21.22 0.0063406 Eth | $3,859,973.00 181,918.910 LINK | 1.5221% |
21 | BTSE | LINK-USDT | $21.24 0.0063464 Eth | $3,773,483.00 177,626.340 LINK | 1.4862% |
22 | LBank | LINK-USDT | $21.24 0.0063388 Eth | $3,460,184.00 162,893.010 LINK | 1.3629% |
23 | LATOKEN | LINK-USDT | $21.24 0.0063392 Eth | $2,837,439.00 133,565.512 LINK | 1.1176% |
24 | KuCoin | LINK-USDT | $21.25 0.0063461 Eth | $2,595,765.00 122,138.489 LINK | 1.0219% |
25 | QMall | LINK-USDT | $21.24 0.0063392 Eth | $2,343,691.00 107,989.816 LINK | 0.9036% |
26 | Bitvavo | LINK-EUR | $21.28 0.0063458 Eth | $2,323,549.00 109,180.968 LINK | 0.9135% |
27 | Hotcoin | LINK-USDT | $21.25 0.0063422 Eth | $2,305,650.00 108,481.840 LINK | 0.9077% |
28 | Dex-Trade | LINK-USDT | $21.23 0.0063429 Eth | $1,930,633.00 90,936.740 LINK | 0.7609% |
29 | CoinEx | LINK-USDT | $21.24 0.0063342 Eth | $1,673,708.00 76,985.206 LINK | 0.6441% |
30 | Dcoin | LINK-USDT | $21.30 0.0063520 Eth | $1,637,110.00 76,851.000 LINK | 0.6430% |
31 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $21.22 0.0063427 Eth | $1,548,958.00 71,914.256 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.6017% |
32 | Coinbase Exchange | LINK-USDT | $21.31 0.0063682 Eth | $1,083,232.00 50,841.731 LINK | 0.4254% |
33 | Bybit | LINK-USDC | $21.22 0.0063325 Eth | $1,015,386.00 46,696.866 LINK | 0.3907% |
34 | EXMO | LINK-USDT | $21.27 0.0063522 Eth | $908,989.00 42,729.723 LINK | 0.3575% |
35 | PointPay | LINK-USDT | $21.34 0.0063577 Eth | $888,682.00 40,927.008 LINK | 0.3424% |
36 | Azbit | LINK-ETH | $21.21 0.0063346 Eth | $822,287.00 38,392.197 LINK | 0.3212% |
37 | tanX | LINK-USDC | $21.29 0.0063606 Eth | $758,469.00 34,879.570 LINK | 0.2918% |
38 | Phemex | LINK-USDT | $21.25 0.0063417 Eth | $724,196.00 34,076.520 LINK | 0.2851% |
39 | WhiteBIT | LINK-BTC | $21.23 0.0063378 Eth | $643,936.00 30,338.550 LINK | 0.2538% |
40 | Coinbase Exchange | LINK-EUR | $21.23 0.0063454 Eth | $614,809.00 28,954.430 LINK | 0.2423% |
41 | Bitbank | LINK-JPY | $21.20 0.0063290 Eth | $604,828.00 28,535.894 LINK | 0.2388% |
42 | WhiteBIT | LINK-TRY | $21.34 0.0063757 Eth | $514,024.00 24,087.280 LINK | 0.2015% |
43 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $21.19 0.0063299 Eth | $511,432.00 23,946.036 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2004% |
44 | Binance | LINK-TRY | $21.46 0.0063926 Eth | $427,696.00 19,578.980 LINK | 0.1638% |
45 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $21.20 0.0063353 Eth | $426,820.00 436,623.450 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.6533% |
46 | BigONE | LINK-USDT | $21.17 0.0063196 Eth | $371,017.00 17,521.890 LINK | 0.1466% |
47 | HashKey Exchange | LINK-USD | $21.27 0.0063547 Eth | $368,231.00 17,111.367 LINK | 0.1432% |
48 | Slex | LINK-ETH | $21.30 0.0063509 Eth | $357,765.00 16,648.120 LINK | 0.1393% |
49 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $21.21 0.0063367 Eth | $346,937.00 16,175.162 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1353% |
50 | Bitbegin | LINK-USDT | $21.25 0.0063495 Eth | $332,757.00 15,336.817 LINK | 0.1283% |
51 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $21.20 0.0063340 Eth | $323,310.00 15,271.067 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1278% |
52 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $21.20 0.0063271 Eth | $307,953.00 23,532.164 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1969% |
53 | BitMart | LINK-BTC | $21.22 0.0063402 Eth | $280,203.00 13,202.640 LINK | 0.1105% |
54 | QMall | LINK-USDC | $21.26 0.0063432 Eth | $271,748.00 12,565.581 LINK | 0.1051% |
55 | Binance | LINK-EUR | $21.26 0.0063386 Eth | $268,359.00 12,333.220 LINK | 0.1032% |
56 | Gemini | LINK-USD | $21.22 0.0063313 Eth | $235,588.00 11,103.664 LINK | 0.0929% |
57 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $21.21 0.0063376 Eth | $190,526.00 8,763.638 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0733% |
58 | GMO Japan | LINK-JPY | $21.25 0.0063396 Eth | $157,077.00 7,393.600 LINK | 0.0619% |
59 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $21.20 0.0063342 Eth | $151,928.00 7,083.182 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0593% |
60 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $21.18 0.0063283 Eth | $143,178.00 146,883.221 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.2290% |
61 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $21.21 0.0063407 Eth | $141,107.00 6,346.371 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0531% |
62 | Coinbase Exchange | LINK-BTC | $21.22 0.0063385 Eth | $139,585.00 6,577.820 LINK | 0.0550% |
63 | Coinbase Exchange | LINK-ETH | $21.23 0.0063359 Eth | $138,551.00 6,525.410 LINK | 0.0546% |
64 | BitStorage | LINK-ETH | $21.31 0.0063526 Eth | $137,009.00 6,429.510 LINK | 0.0538% |
65 | BitMart | LINK-ETH | $21.22 0.0063415 Eth | $124,370.00 5,860.820 LINK | 0.0490% |
66 | LATOKEN | LINK-BTC | $21.21 0.0063289 Eth | $108,974.00 5,138.094 LINK | 0.0430% |
67 | OKX | LINK-USDC | $21.22 0.0063336 Eth | $102,978.00 4,741.936 LINK | 0.0397% |
68 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $21.21 0.0063373 Eth | $89,929.00 4,152.124 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0347% |
69 | Hotcoin | LINK-BTC | $21.22 0.0063411 Eth | $74,586.00 3,514.960 LINK | 0.0294% |
70 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $21.22 0.0063373 Eth | $71,770.00 3,343.464 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0280% |
71 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $21.30 0.0063565 Eth | $71,013.00 3,296.959 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0276% |
72 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $21.20 0.0063271 Eth | $69,767.00 3,230.777 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0270% |
73 | Bitso | LINK-USD | $21.34 0.0063626 Eth | $62,972.00 2,951.162 LINK | 0.0247% |
74 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $21.26 0.0063515 Eth | $57,738.00 2,728.367 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0228% |
75 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $21.36 0.0063797 Eth | $53,226.00 2,529.795 0X5947BB275C521040051D82396192181B413227A3 | 0.0212% |
76 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $21.30 0.0063568 Eth | $47,362.00 2,205.871 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0185% |
77 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $21.25 0.0063490 Eth | $37,538.00 2,056.479 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0172% |
78 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $21.21 0.0063407 Eth | $33,355.00 34,303.511 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.2870% |
79 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $21.42 0.0063916 Eth | $31,373.00 1,490.043 0X5947BB275C521040051D82396192181B413227A3 | 0.0125% |
80 | Hotcoin | LINK-ETH | $21.28 0.0063460 Eth | $25,508.00 1,198.550 LINK | 0.0100% |
81 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $21.33 0.0063656 Eth | $19,602.21 928.139 0X5947BB275C521040051D82396192181B413227A3 | 0.0078% |
82 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $21.30 0.0063571 Eth | $16,643.33 765.751 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0064% |
83 | CoinEx | LINK-USDC | $21.30 0.0063648 Eth | $13,386.12 621.615 LINK | 0.0052% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $21.20 0.0063338 Eth | $13,306.28 611.713 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0051% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $21.20 0.0063342 Eth | $10,691.67 498.598 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0042% |
86 | KuCoin | LINK-KCS | $21.31 0.0063618 Eth | $10,367.33 486.606 LINK | 0.0041% |
87 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $21.27 0.0063411 Eth | $8,553.95 8,764.699 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0733% |
88 | Bitexen | LINK-TRY | $21.20 0.0063231 Eth | $7,568.57 356.993 LINK | 0.0030% |
89 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $21.26 0.0063478 Eth | $6,657.56 309.350 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0026% |
90 | CoinEx | LINK-BTC | $21.13 0.0063130 Eth | $6,645.30 313.303 LINK | 0.0026% |
91 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $21.20 0.0063345 Eth | $6,410.83 8.450 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
92 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $21.23 0.0063361 Eth | $5,216.70 243.155 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0020% |
93 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $21.33 0.0063726 Eth | $3,637.89 167.537 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0014% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $21.36 0.0063665 Eth | $2,358.43 111.994 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
95 | Ace | LINK-USDT | $21.34 0.0063623 Eth | $2,264.40 104.190 LINK | 0.0009% |
96 | Lydia Finance | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $21.30 0.0063631 Eth | $2,054.76 97.436 0X5947BB275C521040051D82396192181B413227A3 | 0.0008% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $21.28 0.0063585 Eth | $1,732.29 81.040 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0007% |
98 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $21.21 0.0063396 Eth | $1,358.76 63.774 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0005% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $21.25 0.0063512 Eth | $850.25 39.399 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
100 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8 | $21.26 0.0063433 Eth | $826.47 38.011 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0003% |
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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