ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
721,265 ( 0.015%)
Market
Price
$10.65 @ 0.004527 ETH (+0.97%)
Onchain Market Cap
$10,650,000,000.00
Circulating Supply Market Cap
$6,667,611,491.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
125.77491 LINKValue
$1,339.50 ( ~0.569434893308341 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | LBank | LINK-USDT | $10.68 0.0045401 Eth | $35,605,482.00 3,334,195.060 LINK | 16.0141% |
2 | Binance | LINK-USDT | $10.65 0.0045330 Eth | $28,058,303.00 2,652,129.350 LINK | 12.7382% |
3 | WhiteBIT | LINK-USDT | $10.65 0.0045320 Eth | $25,540,581.00 2,398,557.060 LINK | 11.5203% |
4 | Bybit | LINK-USDT | $10.67 0.0045381 Eth | $19,312,308.00 1,826,768.684 LINK | 8.7740% |
5 | Coinbase Exchange | LINK-USD | $10.67 0.0045376 Eth | $16,456,318.00 1,541,864.370 LINK | 7.4056% |
6 | HTX | LINK-USDT | $10.66 0.0045324 Eth | $13,230,599.00 1,246,790.723 LINK | 5.9883% |
7 | Bitget | LINK-USDT | $10.67 0.0045366 Eth | $8,964,979.00 844,974.263 LINK | 4.0584% |
8 | Slex | LINK-USDT | $10.65 0.0045360 Eth | $6,052,446.00 569,936.500 LINK | 2.7374% |
9 | OKX | LINK-USDT | $10.68 0.0045421 Eth | $5,322,963.00 502,561.034 LINK | 2.4138% |
10 | P2B | LINK-USDT | $10.68 0.0045387 Eth | $5,253,921.00 491,962.390 LINK | 2.3629% |
11 | Azbit | LINK-USDT | $10.58 0.0045241 Eth | $4,763,779.00 448,891.210 LINK | 2.1560% |
12 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.61 0.0045145 Eth | $4,439,156.00 420,135.262 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.0179% |
13 | Biconomy.com | LINK-USDT | $10.67 0.0045376 Eth | $4,300,705.00 404,920.160 LINK | 1.9448% |
14 | DigiFinex | LINK-USDT | $10.68 0.0045389 Eth | $3,783,913.00 354,435.570 LINK | 1.7024% |
15 | KuCoin | LINK-USDT | $10.67 0.0045376 Eth | $3,067,993.00 287,456.744 LINK | 1.3807% |
16 | XT.COM | LINK-USDT | $10.65 0.0045311 Eth | $2,566,980.00 242,576.060 LINK | 1.1651% |
17 | ProBit Global | LINK-USDT | $10.67 0.0045351 Eth | $2,394,070.00 224,312.498 LINK | 1.0774% |
18 | CoinW | LINK-USDT | $10.64 0.0045315 Eth | $2,213,557.00 208,056.640 LINK | 0.9993% |
19 | Kraken | LINK-USD | $10.68 0.0045393 Eth | $2,002,969.00 187,615.249 LINK | 0.9011% |
20 | Bitexen | LINK-TRY | $10.69 0.0045445 Eth | $1,827,791.00 170,995.420 LINK | 0.8213% |
21 | Coinstore | LINK-USDT | $10.67 0.0045376 Eth | $1,782,584.00 168,417.850 LINK | 0.8089% |
22 | AscendEX (BitMax) | LINK-USDT | $10.68 0.0045432 Eth | $1,731,280.00 162,064.800 LINK | 0.7784% |
23 | Trubit | LINK-USDT | $10.66 0.0045346 Eth | $1,678,935.00 158,467.820 LINK | 0.7611% |
24 | Bitunix | LINK-USDT | $10.66 0.0045332 Eth | $1,387,701.00 130,282.160 LINK | 0.6257% |
25 | BYDFi | LINK-USDT | $10.64 0.0045290 Eth | $1,358,919.00 127,729.750 LINK | 0.6135% |
26 | FameEX | LINK-USDT | $10.65 0.0045298 Eth | $1,117,223.00 105,582.459 LINK | 0.5071% |
27 | Dex-Trade | LINK-USDT | $10.65 0.0045346 Eth | $960,081.00 90,153.170 LINK | 0.4330% |
28 | Bitvavo | LINK-EUR | $10.64 0.0045284 Eth | $922,408.00 86,719.771 LINK | 0.4165% |
29 | Bitexen | LINK-USDT | $10.66 0.0045330 Eth | $864,994.00 81,127.160 LINK | 0.3897% |
30 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.66 0.0045290 Eth | $727,582.00 67,965.041 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3264% |
31 | FMCPAY | LINK-USDT | $10.66 0.0045331 Eth | $721,513.00 67,961.916 LINK | 0.3264% |
32 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.60 0.0045085 Eth | $518,649.00 49,318.045 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2369% |
33 | FMCPAY | LINK-BTC | $10.63 0.0045253 Eth | $501,011.00 47,171.400 LINK | 0.2266% |
34 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.61 0.0045063 Eth | $496,877.00 47,242.722 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2269% |
35 | tanX | LINK-USDC | $10.66 0.0045370 Eth | $471,021.00 44,454.730 LINK | 0.2135% |
36 | PointPay | LINK-USDT | $10.64 0.0045269 Eth | $451,142.00 42,640.731 LINK | 0.2048% |
37 | EXMO | LINK-USDT | $10.67 0.0045382 Eth | $449,702.00 42,133.402 LINK | 0.2024% |
38 | BigONE | LINK-USDT | $10.68 0.0045407 Eth | $447,887.00 41,920.780 LINK | 0.2013% |
39 | ProBit Global | LINK-BTC | $10.67 0.0045327 Eth | $420,088.00 39,380.778 LINK | 0.1891% |
40 | LATOKEN | LINK-USDT | $10.67 0.0045376 Eth | $395,850.00 37,102.245 LINK | 0.1782% |
41 | Bybit | LINK-USDC | $10.68 0.0045416 Eth | $358,083.00 33,719.623 LINK | 0.1620% |
42 | FMCPAY | LINK-ETH | $10.63 0.0045259 Eth | $354,739.00 33,615.520 LINK | 0.1615% |
43 | Phemex | LINK-USDT | $10.64 0.0045317 Eth | $324,029.00 30,454.680 LINK | 0.1463% |
44 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.65 0.0045295 Eth | $319,970.00 30,298.006 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1455% |
45 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.59 0.0045019 Eth | $290,664.00 27,529.801 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1322% |
46 | EarnBIT | LINK-USDT | $10.64 0.0045335 Eth | $251,728.00 23,773.765 LINK | 0.1142% |
47 | itBit | LINK-USD | $10.67 0.0045368 Eth | $247,656.00 23,210.527 LINK | 0.1115% |
48 | Coinbase Exchange | LINK-EUR | $10.67 0.0045378 Eth | $230,004.00 21,556.150 LINK | 0.1035% |
49 | CoinEx | LINK-USDT | $10.66 0.0045325 Eth | $187,209.00 17,704.436 LINK | 0.0850% |
50 | BitMart | LINK-BTC | $10.65 0.0045298 Eth | $171,311.00 16,078.540 LINK | 0.0772% |
51 | BitDelta | LINK-USDT | $10.66 0.0045331 Eth | $160,716.00 15,180.000 LINK | 0.0729% |
52 | Bitbank | LINK-JPY | $10.69 0.0045461 Eth | $138,855.00 12,986.821 LINK | 0.0624% |
53 | LATOKEN | LINK-BTC | $10.66 0.0045324 Eth | $136,984.00 12,853.955 LINK | 0.0617% |
54 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $10.66 0.0045320 Eth | $135,049.00 12,784.920 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0614% |
55 | Tokpie | LINK-USDT | $10.63 0.0045258 Eth | $130,558.00 12,280.420 LINK | 0.0590% |
56 | OKX | LINK-USDC | $10.61 0.0045108 Eth | $130,079.00 12,288.466 LINK | 0.0590% |
57 | Coinbase Exchange | LINK-GBP | $10.62 0.0045162 Eth | $127,237.00 11,982.100 LINK | 0.0575% |
58 | BYDFi | LINK-USDC | $10.64 0.0045301 Eth | $125,477.00 11,791.220 LINK | 0.0566% |
59 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $10.62 0.0045150 Eth | $114,916.00 10,826.346 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0520% |
60 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.67 0.0045330 Eth | $108,508.00 107,297.411 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5153% |
61 | Bitci TR | LINK-TRY | $10.71 0.0045571 Eth | $104,552.00 9,824.110 LINK | 0.0472% |
62 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.67 0.0045330 Eth | $70,743.00 6,707.439 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0322% |
63 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.60 0.0045086 Eth | $69,410.00 68,985.487 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3313% |
64 | Coinbase Exchange | LINK-ETH | $10.63 0.0045270 Eth | $67,162.00 6,316.170 LINK | 0.0303% |
65 | Slex | LINK-BTC | $10.63 0.0045287 Eth | $61,922.00 5,828.400 LINK | 0.0280% |
66 | Slex | LINK-ETH | $10.64 0.0045332 Eth | $55,170.00 5,219.700 LINK | 0.0251% |
67 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.65 0.0045295 Eth | $49,610.00 49,221.814 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.2364% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.67 0.0045330 Eth | $47,519.00 4,453.624 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0214% |
69 | Bitso | LINK-USD | $10.68 0.0045369 Eth | $46,290.00 4,336.210 LINK | 0.0208% |
70 | Bitget | LINK-EUR | $10.67 0.0045365 Eth | $43,102.00 4,051.780 LINK | 0.0195% |
71 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.64 0.0045265 Eth | $37,692.00 3,570.505 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0171% |
72 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $10.61 0.0045069 Eth | $37,666.00 3,582.885 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0172% |
73 | Mercado Bitcoin | LINK-BRL | $10.67 0.0045367 Eth | $34,251.00 3,210.066 LINK | 0.0154% |
74 | Binance US | LINK-USDT | $10.61 0.0045119 Eth | $32,426.00 3,055.730 LINK | 0.0147% |
75 | Uniswap V3 (Ethereum) | 0XA95C5EBB86E0DE73B4FB8C47A45B792CFEA28C23-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $10.65 0.0045292 Eth | $26,382.00 146,579.282 0XA95C5EBB86E0DE73B4FB8C47A45B792CFEA28C23 | 0.7040% |
76 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.64 0.0045229 Eth | $22,720.00 2,148.750 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0103% |
77 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.63 0.0045222 Eth | $21,018.00 1,990.204 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0096% |
78 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $10.59 0.0045054 Eth | $21,015.00 1,991.428 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0096% |
79 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $10.60 0.0045045 Eth | $16,642.80 1,584.565 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0076% |
80 | KuCoin | LINK-KCS | $10.63 0.0045213 Eth | $12,927.31 1,215.578 LINK | 0.0058% |
81 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $10.63 0.0045211 Eth | $10,733.87 1,010.825 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0049% |
82 | CoinEx | LINK-BTC | $10.62 0.0045146 Eth | $7,074.74 663.514 LINK | 0.0032% |
83 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $10.64 0.0045267 Eth | $6,375.21 602.386 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0029% |
84 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.60 0.0045079 Eth | $6,369.61 6,327.055 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0304% |
85 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $10.61 0.0045145 Eth | $5,381.56 510.510 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0025% |
86 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.65 0.0045283 Eth | $2,993.27 282.689 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0014% |
87 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $10.62 0.0045235 Eth | $2,483.49 235.833 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0011% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $10.65 0.0045307 Eth | $2,431.53 230.610 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0011% |
89 | Ramses V2 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.60 0.0045070 Eth | $2,139.31 203.480 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0010% |
90 | CoinEx | LINK-USDC | $10.70 0.0045470 Eth | $2,005.71 188.552 LINK | 0.0009% |
91 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $10.64 0.0045267 Eth | $1,770.70 166.657 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0008% |
92 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.60 0.0045062 Eth | $1,654.59 157.196 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0008% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $10.64 0.0045267 Eth | $1,359.31 128.825 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
94 | Balancer V2 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $10.56 0.0044894 Eth | $1,037.68 97.466 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0005% |
95 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991 | $10.76 0.0045789 Eth | $810.70 76.734 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0004% |
96 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $10.67 0.0045417 Eth | $488.23 46.176 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0002% |
97 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0XDA10009CBD5D07DD0CECC66161FC93D7C9000DA1 | $10.59 0.0045090 Eth | $208.85 19.812 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0001% |
98 | Solidly V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.57 0.0045036 Eth | $174.64 16.645 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0001% |
99 | Balancer V2 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XDF7837DE1F2FA4631D716CF2502F8B230F1DCC32 | $10.56 0.0044953 Eth | $168.50 15.953 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0001% |
100 | Uniswap V3 (Arbitrum One) | 0X912CE59144191C1204E64559FE8253A0E49E6548-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.59 0.0045096 Eth | $168.39 316.759 0X912CE59144191C1204E64559FE8253A0E49E6548 | 0.0015% |
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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