ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,621 ( 0.026%)
Market
Price
$23.42 @ 0.006442 ETH (-1.24%)
Onchain Market Cap
$23,420,000,000.00
Circulating Supply Market Cap
$14,809,534,701.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
470.485166108791244548 LINKValue
$11,018.76 ( ~3.0309 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Websea | LINK-USDT | $23.39 0.0064165 Eth | $61,700,922.00 0.000 LINK | 0.0000% |
2 | Binance | LINK-USDT | $23.43 0.0064254 Eth | $61,067,712.00 2,612,606.320 LINK | 17.2481% |
3 | Coinbase Exchange | LINK-USD | $23.35 0.0064152 Eth | $26,820,530.00 1,148,827.650 LINK | 7.5844% |
4 | Slex | LINK-USDT | $23.35 0.0064164 Eth | $24,396,533.00 1,043,494.580 LINK | 6.8890% |
5 | WhiteBIT | LINK-USDT | $23.35 0.0064187 Eth | $20,115,947.00 861,511.490 LINK | 5.6876% |
6 | Bitget | LINK-USDT | $23.36 0.0064206 Eth | $19,504,262.00 834,531.193 LINK | 5.5095% |
7 | WEEX | LINK-USDT | $23.34 0.0064168 Eth | $15,766,428.00 674,365.150 LINK | 4.4521% |
8 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.47 0.0064489 Eth | $15,659,393.00 666,442.226 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 4.3998% |
9 | MEXC | LINK-USDT | $23.36 0.0064195 Eth | $15,349,241.00 657,200.560 LINK | 4.3388% |
10 | P2B | LINK-USDT | $23.37 0.0064191 Eth | $12,279,145.00 525,393.460 LINK | 3.4686% |
11 | CoinW | LINK-USDT | $23.32 0.0064110 Eth | $10,928,692.00 468,550.090 LINK | 3.0933% |
12 | OKX | LINK-USDT | $23.35 0.0064167 Eth | $10,304,851.00 440,664.083 LINK | 2.9092% |
13 | BVOX | LINK-USDT | $23.45 0.0064289 Eth | $8,763,579.00 374,736.210 LINK | 2.4740% |
14 | Gate.io | LINK-USDT | $23.35 0.0064173 Eth | $8,680,372.00 372,180.880 LINK | 2.4571% |
15 | DigiFinex | LINK-USDT | $23.34 0.0064148 Eth | $7,961,211.00 341,055.800 LINK | 2.2516% |
16 | HTX | LINK-USDT | $23.35 0.0064178 Eth | $7,240,831.00 309,781.658 LINK | 2.0451% |
17 | Deepcoin | LINK-USDT | $23.43 0.0064262 Eth | $6,446,300.00 281,227.600 LINK | 1.8566% |
18 | XT.COM | LINK-USDT | $23.50 0.0064250 Eth | $6,108,747.00 261,332.760 LINK | 1.7253% |
19 | Azbit | LINK-USDT | $23.33 0.0064122 Eth | $6,087,580.00 260,440.208 LINK | 1.7194% |
20 | Binance | LINK-FDUSD | $23.50 0.0064367 Eth | $6,049,404.00 258,565.170 LINK | 1.7070% |
21 | Coinstore | LINK-USDT | $23.32 0.0064072 Eth | $5,642,766.00 241,431.980 LINK | 1.5939% |
22 | Bithumb | LINK-KRW | $23.42 0.0064371 Eth | $4,585,608.00 195,765.173 LINK | 1.2924% |
23 | BYDFi | LINK-USDT | $23.35 0.0064178 Eth | $3,954,337.00 169,321.330 LINK | 1.1178% |
24 | LATOKEN | LINK-USDT | $23.32 0.0064107 Eth | $2,966,702.00 127,199.035 LINK | 0.8398% |
25 | Hotcoin | LINK-USDT | $23.52 0.0064557 Eth | $1,985,102.00 84,406.340 LINK | 0.5572% |
26 | Dex-Trade | LINK-USDT | $23.47 0.0064303 Eth | $1,966,059.00 83,759.460 LINK | 0.5530% |
27 | Bitvavo | LINK-EUR | $23.35 0.0064142 Eth | $1,946,998.00 83,397.493 LINK | 0.5506% |
28 | Dcoin | LINK-USDT | $23.47 0.0064205 Eth | $1,823,436.00 77,692.000 LINK | 0.5129% |
29 | CoinEx | LINK-USDT | $23.47 0.0064346 Eth | $1,815,186.00 77,607.435 LINK | 0.5124% |
30 | KuCoin | LINK-USDT | $23.35 0.0064178 Eth | $1,683,487.00 72,099.493 LINK | 0.4760% |
31 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.36 0.0064172 Eth | $1,665,274.00 71,085.978 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4693% |
32 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.34 0.0064117 Eth | $1,256,498.00 53,712.271 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3546% |
33 | Coinbase Exchange | LINK-EUR | $23.34 0.0064146 Eth | $1,079,487.00 46,254.960 LINK | 0.3054% |
34 | tanX | LINK-USDC | $23.36 0.0064182 Eth | $967,925.00 41,399.980 LINK | 0.2733% |
35 | PointPay | LINK-USDT | $23.34 0.0064136 Eth | $873,361.00 37,484.057 LINK | 0.2475% |
36 | EXMO | LINK-USDT | $23.35 0.0064143 Eth | $849,319.00 36,378.974 LINK | 0.2402% |
37 | Bitstamp | LINK-USD | $23.35 0.0064167 Eth | $777,960.00 33,317.348 LINK | 0.2200% |
38 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.47 0.0064489 Eth | $742,690.00 31,606.773 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.2087% |
39 | WhiteBIT | LINK-TRY | $23.53 0.0064625 Eth | $712,572.00 30,282.660 LINK | 0.1999% |
40 | Bitstamp | LINK-EUR | $23.35 0.0064162 Eth | $696,675.00 29,838.646 LINK | 0.1970% |
41 | WhiteBIT | LINK-BTC | $23.49 0.0064378 Eth | $649,525.00 27,655.110 LINK | 0.1826% |
42 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.35 0.0064197 Eth | $645,247.00 27,477.763 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1814% |
43 | Gemini | LINK-USD | $23.30 0.0064016 Eth | $633,371.00 27,189.055 LINK | 0.1795% |
44 | Bitbank | LINK-JPY | $23.37 0.0064228 Eth | $536,509.00 22,960.860 LINK | 0.1516% |
45 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.32 0.0064109 Eth | $535,569.00 22,944.680 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1515% |
46 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.35 0.0064145 Eth | $473,819.00 474,731.663 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.1341% |
47 | Coinbase Exchange | LINK-GBP | $23.31 0.0064067 Eth | $422,577.00 18,129.380 LINK | 0.1197% |
48 | Bitbegin | LINK-USDT | $23.37 0.0064279 Eth | $405,874.00 17,355.079 LINK | 0.1146% |
49 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.47 0.0064489 Eth | $366,837.00 24,234.365 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1600% |
50 | Slex | LINK-ETH | $23.34 0.0064150 Eth | $342,412.00 14,628.110 LINK | 0.0966% |
51 | BigONE | LINK-USDT | $23.35 0.0064202 Eth | $328,374.00 14,063.390 LINK | 0.0928% |
52 | Coinbase Exchange | LINK-ETH | $23.40 0.0064309 Eth | $323,792.00 13,839.090 LINK | 0.0914% |
53 | HashKey Exchange | LINK-USD | $23.36 0.0064213 Eth | $286,564.00 12,317.076 LINK | 0.0813% |
54 | BitMart | LINK-BTC | $23.35 0.0064142 Eth | $265,225.00 11,360.620 LINK | 0.0750% |
55 | Bitci TR | LINK-TRY | $23.46 0.0064129 Eth | $241,823.00 10,321.460 LINK | 0.0681% |
56 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.33 0.0064108 Eth | $233,848.00 234,653.217 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.5492% |
57 | OKX | LINK-USDC | $23.35 0.0064174 Eth | $233,007.00 9,979.710 LINK | 0.0659% |
58 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.34 0.0064148 Eth | $194,346.00 8,320.574 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0549% |
59 | Coinone | LINK-KRW | $23.31 0.0064071 Eth | $171,588.00 7,359.557 LINK | 0.0486% |
60 | Bitkub | LINK-THB | $23.28 0.0063980 Eth | $124,094.00 5,331.120 LINK | 0.0352% |
61 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.31 0.0064074 Eth | $120,812.00 5,151.814 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0340% |
62 | LATOKEN | LINK-BTC | $23.40 0.0064324 Eth | $117,562.00 5,024.133 LINK | 0.0332% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.32 0.0064106 Eth | $112,755.00 4,833.915 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0319% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.33 0.0064108 Eth | $103,699.00 4,428.904 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0292% |
65 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.36 0.0064193 Eth | $99,745.00 4,264.834 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0282% |
66 | Bitexen | LINK-TRY | $23.31 0.0063973 Eth | $93,038.00 3,992.136 LINK | 0.0264% |
67 | BitMart | LINK-ETH | $23.35 0.0064149 Eth | $85,134.00 3,646.260 LINK | 0.0241% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.35 0.0064186 Eth | $77,317.00 3,301.191 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0218% |
69 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.48 0.0064531 Eth | $74,181.00 3,165.775 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0209% |
70 | Hotcoin | LINK-BTC | $23.34 0.0064157 Eth | $65,219.00 2,794.250 LINK | 0.0184% |
71 | KuCoin | LINK-USDC | $23.32 0.0064100 Eth | $62,269.00 2,670.325 LINK | 0.0176% |
72 | Gemini | LINK-BTC | $23.54 0.0064694 Eth | $58,680.00 2,492.598 LINK | 0.0165% |
73 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.32 0.0064111 Eth | $53,727.00 53,948.613 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3562% |
74 | Binance US | LINK-USDT | $23.39 0.0064276 Eth | $52,422.00 2,241.205 LINK | 0.0148% |
75 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.34 0.0064160 Eth | $44,360.00 1,890.671 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0125% |
76 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.23 0.0063860 Eth | $34,272.00 44.699 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
77 | CoinEx | LINK-USDC | $23.49 0.0064220 Eth | $28,495.00 1,253.322 LINK | 0.0083% |
78 | Tokpie | LINK-USDT | $23.46 0.0064353 Eth | $24,336.00 1,037.169 LINK | 0.0068% |
79 | Hotcoin | LINK-ETH | $23.34 0.0064115 Eth | $22,143.00 948.860 LINK | 0.0063% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.35 0.0064200 Eth | $19,329.40 826.166 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0055% |
81 | Korbit | LINK-KRW | $23.55 0.0064708 Eth | $17,101.27 732.761 LINK | 0.0048% |
82 | PancakeSwap V1 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.39 0.0064273 Eth | $15,671.24 750.338 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0050% |
83 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.47 0.0064489 Eth | $14,414.64 613.658 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0041% |
84 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.40 0.0064335 Eth | $14,020.28 597.470 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0039% |
85 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.55 0.0064722 Eth | $13,927.63 583.851 0X5947BB275C521040051D82396192181B413227A3 | 0.0039% |
86 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.33 0.0064086 Eth | $13,059.11 558.247 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0037% |
87 | Dex-Trade | LINK-ETH | $23.44 0.0064259 Eth | $12,195.71 520.400 LINK | 0.0034% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $23.35 0.0064173 Eth | $11,381.59 484.322 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0032% |
89 | KuCoin | LINK-KCS | $23.31 0.0064045 Eth | $9,016.53 386.860 LINK | 0.0026% |
90 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.47 0.0064489 Eth | $8,548.43 365.962 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0024% |
91 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $23.31 0.0064058 Eth | $6,305.19 271.214 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0018% |
92 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.52 0.0064502 Eth | $5,526.81 5,504.502 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0363% |
93 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.52 0.0064504 Eth | $5,349.28 5,313.372 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0351% |
94 | CoinEx | LINK-BTC | $23.42 0.0064380 Eth | $4,529.65 191.646 LINK | 0.0013% |
95 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $23.26 0.0063937 Eth | $2,255.41 97.949 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0006% |
96 | Uniswap V3 (Arbitrum One) | 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.46 0.0064475 Eth | $1,932.95 362.531 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8 | 0.0024% |
97 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.46 0.0064475 Eth | $1,197.89 51.109 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0003% |
98 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $23.48 0.0064535 Eth | $543.37 23.237 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0002% |
99 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.52 0.0064504 Eth | $470.79 1.348 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0000% |
100 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.47 0.0064488 Eth | $247.85 10.481 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0001% |
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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