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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
725,492 ( -0.033%)
Market
Price
$20.05 @ 0.006115 ETH (+0.94%)
Onchain Market Cap
$20,050,000,000.00
Circulating Supply Market Cap
$12,652,872,527.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.610636072775667537 LINKValue
$12.24 ( ~0.00373301592241259 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $20.05 0.0061301 Eth | $60,610,082.00 3,020,421.460 LINK | 27.0009% |
2 | Websea | LINK-USDT | $20.09 0.0061315 Eth | $56,612,995.00 0.000 LINK | 0.0000% |
3 | Coinbase Exchange | LINK-USD | $20.08 0.0061304 Eth | $22,491,759.00 1,120,274.910 LINK | 10.0146% |
4 | WEEX | LINK-USDT | $20.06 0.0061315 Eth | $13,939,877.00 694,892.870 LINK | 6.2120% |
5 | P2B | LINK-USDT | $20.10 0.0061339 Eth | $12,286,837.00 611,264.840 LINK | 5.4644% |
6 | Bybit | LINK-USDT | $20.08 0.0061286 Eth | $11,490,913.00 572,111.514 LINK | 5.1144% |
7 | HTX | LINK-USDT | $20.08 0.0061275 Eth | $9,623,681.00 479,293.578 LINK | 4.2846% |
8 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.07 0.0061266 Eth | $8,220,330.00 66,135.961 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.5912% |
9 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.08 0.0061323 Eth | $6,244,356.00 310,446.559 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.7752% |
10 | XT.COM | LINK-USDT | $20.08 0.0061301 Eth | $5,942,267.00 296,054.570 LINK | 2.6466% |
11 | OKX | LINK-USDT | $20.07 0.0061279 Eth | $5,552,085.00 276,747.362 LINK | 2.4740% |
12 | Deepcoin | LINK-USDT | $20.06 0.0061256 Eth | $5,434,939.00 340,534.160 LINK | 3.0442% |
13 | Coinstore | LINK-USDT | $20.01 0.0061189 Eth | $5,421,025.00 270,279.570 LINK | 2.4162% |
14 | CoinW | LINK-USDT | $20.08 0.0061282 Eth | $4,803,277.00 239,189.070 LINK | 2.1382% |
15 | BYDFi | LINK-USDT | $20.07 0.0061356 Eth | $3,427,576.00 170,774.420 LINK | 1.5266% |
16 | BTSE | LINK-USDT | $20.07 0.0061344 Eth | $3,231,901.00 161,047.888 LINK | 1.4397% |
17 | LBank | LINK-USDT | $20.08 0.0061315 Eth | $2,945,423.00 146,668.140 LINK | 1.3111% |
18 | LATOKEN | LINK-USDT | $20.12 0.0061385 Eth | $2,923,589.00 145,341.511 LINK | 1.2993% |
19 | Kraken | LINK-USD | $20.08 0.0061306 Eth | $2,886,840.00 143,755.697 LINK | 1.2851% |
20 | KuCoin | LINK-USDT | $20.10 0.0061353 Eth | $2,498,017.00 124,293.124 LINK | 1.1111% |
21 | QMall | LINK-USDT | $20.08 0.0061313 Eth | $2,113,313.00 105,102.207 LINK | 0.9396% |
22 | Dex-Trade | LINK-USDT | $20.07 0.0061382 Eth | $1,986,738.00 98,966.070 LINK | 0.8847% |
23 | FMCPAY | LINK-USDT | $20.04 0.0061183 Eth | $1,765,738.00 88,074.594 LINK | 0.7873% |
24 | Coinbase Exchange | LINK-GBP | $20.08 0.0061303 Eth | $1,459,364.00 72,672.690 LINK | 0.6497% |
25 | Biconomy.com | LINK-USDT | $20.09 0.0061364 Eth | $1,399,875.00 69,751.580 LINK | 0.6235% |
26 | Coinbase Exchange | LINK-ETH | $20.05 0.0061227 Eth | $1,221,168.00 60,896.200 LINK | 0.5444% |
27 | CoinEx | LINK-USDT | $20.08 0.0061310 Eth | $1,219,773.00 60,724.088 LINK | 0.5428% |
28 | FMCPAY | LINK-ETH | $20.04 0.0061213 Eth | $1,082,629.00 53,631.840 LINK | 0.4794% |
29 | FMCPAY | LINK-BTC | $20.06 0.0061255 Eth | $973,537.00 48,433.900 LINK | 0.4330% |
30 | Coinbase Exchange | LINK-EUR | $20.11 0.0061388 Eth | $916,913.00 45,596.970 LINK | 0.4076% |
31 | PointPay | LINK-USDT | $20.05 0.0061224 Eth | $880,562.00 43,782.868 LINK | 0.3914% |
32 | Coinbase Exchange | LINK-USDT | $20.07 0.0061291 Eth | $850,016.00 42,351.767 LINK | 0.3786% |
33 | FMFW.io | LINK-USDT | $20.07 0.0061267 Eth | $781,291.00 38,928.730 LINK | 0.3480% |
34 | tanX | LINK-USDC | $20.09 0.0061325 Eth | $775,522.00 38,660.600 LINK | 0.3456% |
35 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.06 0.0061235 Eth | $753,451.00 37,350.279 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3339% |
36 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.07 0.0061279 Eth | $615,033.00 30,495.512 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2726% |
37 | BigONE | LINK-USDT | $20.12 0.0061442 Eth | $561,936.00 27,924.140 LINK | 0.2496% |
38 | EXMO | LINK-USDT | $20.08 0.0061321 Eth | $561,414.00 27,952.982 LINK | 0.2499% |
39 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.08 0.0061320 Eth | $533,756.00 39,164.266 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3501% |
40 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.05 0.0061189 Eth | $513,994.00 25,457.371 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2276% |
41 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.06 0.0061217 Eth | $428,670.00 21,304.204 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1904% |
42 | Bitbegin | LINK-USDT | $20.07 0.0061250 Eth | $419,697.00 20,915.096 LINK | 0.1870% |
43 | OKX | LINK-USDC | $20.06 0.0061224 Eth | $394,967.00 19,645.802 LINK | 0.1756% |
44 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.11 0.0061384 Eth | $377,105.00 376,575.559 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.3664% |
45 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $20.14 0.0061476 Eth | $357,987.00 17,790.503 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1590% |
46 | Bitbank | LINK-JPY | $20.10 0.0061376 Eth | $341,333.00 16,978.912 LINK | 0.1518% |
47 | BitMart | LINK-BTC | $20.11 0.0061386 Eth | $268,922.00 13,374.000 LINK | 0.1196% |
48 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.12 0.0061374 Eth | $261,726.00 261,497.092 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3376% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.12 0.0061374 Eth | $245,714.00 12,196.625 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1090% |
50 | Coinbase Exchange | LINK-BTC | $20.08 0.0061321 Eth | $229,054.00 11,404.650 LINK | 0.1020% |
51 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.08 0.0061304 Eth | $224,606.00 11,154.733 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0997% |
52 | QMall | LINK-USDC | $20.07 0.0061284 Eth | $215,703.00 10,728.169 LINK | 0.0959% |
53 | Gemini | LINK-USD | $20.05 0.0061187 Eth | $191,325.00 9,542.374 LINK | 0.0853% |
54 | Bitci TR | LINK-TRY | $20.04 0.0061258 Eth | $189,696.00 9,416.710 LINK | 0.0842% |
55 | OKX | LINK-EUR | $20.10 0.0061357 Eth | $159,117.00 7,889.397 LINK | 0.0705% |
56 | Hotcoin | LINK-BTC | $20.06 0.0061322 Eth | $145,179.00 7,237.740 LINK | 0.0647% |
57 | GMO Japan | LINK-JPY | $20.09 0.0061309 Eth | $142,334.00 7,084.600 LINK | 0.0633% |
58 | Binance US | LINK-USDT | $20.09 0.0061346 Eth | $115,028.00 5,724.983 LINK | 0.0512% |
59 | LATOKEN | LINK-BTC | $20.06 0.0061223 Eth | $110,952.00 5,530.377 LINK | 0.0494% |
60 | BitMart | LINK-ETH | $20.12 0.0061415 Eth | $86,051.00 4,277.440 LINK | 0.0382% |
61 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $20.14 0.0061435 Eth | $84,156.00 4,194.296 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0375% |
62 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.08 0.0061261 Eth | $73,881.00 3,658.134 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0327% |
63 | Mercado Bitcoin | LINK-BRL | $20.12 0.0061432 Eth | $53,716.00 2,669.317 LINK | 0.0239% |
64 | Hotcoin | LINK-ETH | $20.06 0.0061273 Eth | $48,036.00 2,394.070 LINK | 0.0214% |
65 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.05 0.0061189 Eth | $46,663.00 46,678.005 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4173% |
66 | EXMO | LINK-BTC | $20.17 0.0061554 Eth | $42,738.00 2,118.393 LINK | 0.0189% |
67 | Bitkub | LINK-THB | $20.06 0.0061258 Eth | $40,625.00 2,025.216 LINK | 0.0181% |
68 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $19.98 0.0061073 Eth | $38,779.00 1,931.456 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0173% |
69 | Bitso | LINK-USD | $20.05 0.0061220 Eth | $37,732.00 1,881.689 LINK | 0.0168% |
70 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $20.08 0.0061301 Eth | $36,181.00 1,794.101 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0160% |
71 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.07 0.0061220 Eth | $28,436.00 1,407.269 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0126% |
72 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $20.05 0.0061207 Eth | $26,983.00 1,364.572 0X5947BB275C521040051D82396192181B413227A3 | 0.0122% |
73 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $20.10 0.0061345 Eth | $20,350.00 1,012.004 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0090% |
74 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.12 0.0061374 Eth | $19,416.00 961.769 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0086% |
75 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $20.07 0.0061226 Eth | $18,251.12 910.227 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0081% |
76 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $20.05 0.0061213 Eth | $13,555.35 17.826 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
77 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $20.15 0.0061524 Eth | $11,860.46 585.954 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0052% |
78 | Bitexen | LINK-TRY | $19.94 0.0060958 Eth | $11,804.18 591.903 LINK | 0.0053% |
79 | Dex-Trade | LINK-ETH | $20.03 0.0061189 Eth | $11,543.06 576.360 LINK | 0.0052% |
80 | CoinEx | LINK-USDC | $20.04 0.0061172 Eth | $6,435.29 319.501 LINK | 0.0029% |
81 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.08 0.0061399 Eth | $4,512.44 4,508.702 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0403% |
82 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.02 0.0061237 Eth | $4,077.92 4,080.379 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0365% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $20.12 0.0061374 Eth | $3,716.08 183.415 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0016% |
84 | CoinEx | LINK-BTC | $20.04 0.0061188 Eth | $2,733.56 136.042 LINK | 0.0012% |
85 | Uniswap V3 (Arbitrum One) | 0X912CE59144191C1204E64559FE8253A0E49E6548-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.00 0.0061153 Eth | $2,627.30 3,529.977 0X912CE59144191C1204E64559FE8253A0E49E6548 | 0.0316% |
86 | Ace | LINK-USDT | $20.07 0.0061283 Eth | $2,467.17 123.020 LINK | 0.0011% |
87 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.04 0.0061191 Eth | $2,286.51 8.055 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0001% |
88 | KuCoin | LINK-KCS | $20.02 0.0061117 Eth | $2,200.25 109.900 LINK | 0.0010% |
89 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $19.94 0.0060984 Eth | $1,762.58 87.114 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0008% |
90 | Uniswap V3 (Arbitrum One) | 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.04 0.0061191 Eth | $1,494.15 382.410 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8 | 0.0034% |
91 | Retro | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.03 0.0061171 Eth | $1,352.28 67.091 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0006% |
92 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $20.16 0.0061643 Eth | $1,260.53 62.177 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0006% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $20.00 0.0061086 Eth | $1,000.52 49.923 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
94 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.11 0.0061396 Eth | $964.72 47.915 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
95 | Swapsicle | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.98 0.0061022 Eth | $898.80 45.661 0X5947BB275C521040051D82396192181B413227A3 | 0.0004% |
96 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $20.06 0.0061353 Eth | $692.12 34.862 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0003% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XB33EAAD8D922B1083446DC23F610C2567FB5180F | $20.00 0.0061152 Eth | $651.20 32.052 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0003% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $20.09 0.0061427 Eth | $582.72 28.998 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0003% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $20.13 0.0061425 Eth | $532.61 26.291 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
100 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X8F3CF7AD23CD3CADBD9735AFF958023239C6A063 | $19.98 0.0061093 Eth | $345.93 17.294 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0002% |
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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