ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
722,452 ( 0.015%)
Market
Price
$11.48 @ 0.004558 ETH (-5.91%)
Onchain Market Cap
$11,480,000,000.00
Circulating Supply Market Cap
$7,199,175,497.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
6.23075576 LINKValue
$71.53 ( ~0.0283974961376981 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $11.46 0.0045525 Eth | $33,190,930.00 2,754,584.320 LINK | 15.5179% |
2 | WhiteBIT | LINK-USDT | $11.47 0.0045597 Eth | $28,633,603.00 2,497,294.400 LINK | 14.0685% |
3 | Coinbase Exchange | LINK-USD | $11.47 0.0045614 Eth | $16,989,325.00 1,480,680.190 LINK | 8.3414% |
4 | HTX | LINK-USDT | $11.47 0.0045627 Eth | $13,065,477.00 1,080,666.123 LINK | 6.0879% |
5 | Bitget | LINK-USDT | $11.48 0.0045636 Eth | $9,587,095.00 793,442.234 LINK | 4.4699% |
6 | Bybit | LINK-USDT | $11.46 0.0045580 Eth | $9,249,890.00 768,137.668 LINK | 4.3273% |
7 | BTSE | LINK-USDT | $11.48 0.0045644 Eth | $7,520,064.00 655,189.681 LINK | 3.6910% |
8 | OKX | LINK-USDT | $11.47 0.0045604 Eth | $6,807,114.00 566,780.795 LINK | 3.1930% |
9 | Gate.io | LINK-USDT | $11.47 0.0045586 Eth | $6,379,149.00 532,658.890 LINK | 3.0007% |
10 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.40 0.0045348 Eth | $5,834,982.00 503,320.003 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.8355% |
11 | P2B | LINK-USDT | $11.45 0.0045548 Eth | $5,533,163.00 483,116.760 LINK | 2.7216% |
12 | Slex | LINK-USDT | $11.52 0.0045557 Eth | $5,476,160.00 453,556.950 LINK | 2.5551% |
13 | Azbit | LINK-USDT | $11.46 0.0045548 Eth | $5,059,281.00 418,347.420 LINK | 2.3568% |
14 | DigiFinex | LINK-USDT | $11.47 0.0045607 Eth | $4,292,248.00 374,283.280 LINK | 2.1085% |
15 | Biconomy.com | LINK-USDT | $11.48 0.0045636 Eth | $3,932,741.00 325,835.870 LINK | 1.8356% |
16 | XT.COM | LINK-USDT | $11.47 0.0045489 Eth | $3,322,095.00 276,066.840 LINK | 1.5552% |
17 | Bitunix | LINK-USDT | $11.48 0.0045622 Eth | $3,100,372.00 270,181.550 LINK | 1.5221% |
18 | CoinW | LINK-USDT | $11.47 0.0045527 Eth | $2,921,519.00 254,669.040 LINK | 1.4347% |
19 | ProBit Global | LINK-USDT | $11.47 0.0045584 Eth | $2,698,792.00 235,362.156 LINK | 1.3259% |
20 | Coinstore | LINK-USDT | $11.47 0.0045596 Eth | $2,381,638.00 197,429.770 LINK | 1.1122% |
21 | Trubit | LINK-USDT | $11.47 0.0045487 Eth | $2,241,157.00 187,134.320 LINK | 1.0542% |
22 | KuCoin | LINK-USDT | $11.45 0.0045548 Eth | $2,097,721.00 183,158.188 LINK | 1.0318% |
23 | LBank | LINK-USDT | $11.44 0.0045509 Eth | $2,048,293.00 178,998.540 LINK | 1.0084% |
24 | Binance | LINK-FDUSD | $11.50 0.0045584 Eth | $1,755,962.00 145,024.540 LINK | 0.8170% |
25 | AscendEX (BitMax) | LINK-USDT | $11.45 0.0045544 Eth | $1,644,402.00 143,589.900 LINK | 0.8089% |
26 | BYDFi | LINK-USDT | $11.51 0.0045619 Eth | $1,491,989.00 129,608.660 LINK | 0.7301% |
27 | WhiteBIT | LINK-BTC | $11.47 0.0045622 Eth | $1,474,285.00 128,485.410 LINK | 0.7238% |
28 | CoinEx | LINK-USDT | $11.46 0.0045595 Eth | $1,085,393.00 90,038.622 LINK | 0.5072% |
29 | Bitvavo | LINK-EUR | $11.46 0.0045587 Eth | $1,026,959.00 89,590.953 LINK | 0.5047% |
30 | HashKey Global | LINK-USDT | $11.47 0.0045580 Eth | $1,004,878.00 83,521.348 LINK | 0.4705% |
31 | Dex-Trade | LINK-USDT | $11.47 0.0045620 Eth | $1,003,351.00 87,468.060 LINK | 0.4928% |
32 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.42 0.0045416 Eth | $985,744.00 85,144.672 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4797% |
33 | Azbit | LINK-ETH | $11.47 0.0045587 Eth | $858,517.00 74,059.350 LINK | 0.4172% |
34 | LATOKEN | LINK-BTC | $11.47 0.0045581 Eth | $619,617.00 54,040.193 LINK | 0.3044% |
35 | LATOKEN | LINK-USDT | $11.46 0.0045560 Eth | $613,540.00 53,534.434 LINK | 0.3016% |
36 | EXMO | LINK-USDT | $11.48 0.0045637 Eth | $587,647.00 51,197.491 LINK | 0.2884% |
37 | BigONE | LINK-USDT | $11.49 0.0045678 Eth | $561,084.00 48,838.990 LINK | 0.2751% |
38 | PointPay | LINK-USDT | $11.47 0.0045603 Eth | $551,430.00 45,762.953 LINK | 0.2578% |
39 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.51 0.0045778 Eth | $519,530.00 44,744.750 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2521% |
40 | ProBit Global | LINK-BTC | $11.47 0.0045617 Eth | $467,528.00 40,757.772 LINK | 0.2296% |
41 | tanX | LINK-USDC | $11.49 0.0045590 Eth | $395,721.00 32,602.780 LINK | 0.1837% |
42 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.52 0.0045827 Eth | $394,150.00 33,951.709 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1913% |
43 | Bybit | LINK-USDC | $11.45 0.0045542 Eth | $364,032.00 30,094.110 LINK | 0.1695% |
44 | Phemex | LINK-USDT | $11.46 0.0045588 Eth | $331,551.00 28,923.490 LINK | 0.1629% |
45 | Gemini | LINK-USD | $11.45 0.0045528 Eth | $330,516.00 28,871.050 LINK | 0.1626% |
46 | EarnBIT | LINK-USDT | $11.40 0.0045332 Eth | $319,655.00 26,750.786 LINK | 0.1507% |
47 | WhiteBIT | LINK-EUR | $11.53 0.0045697 Eth | $308,404.00 26,748.070 LINK | 0.1507% |
48 | WhiteBIT | LINK-TRY | $11.51 0.0045760 Eth | $289,802.00 25,184.980 LINK | 0.1419% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.47 0.0045607 Eth | $251,327.00 21,300.536 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1200% |
50 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.53 0.0045843 Eth | $227,440.00 19,253.403 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1085% |
51 | Bitbank | LINK-JPY | $11.51 0.0045772 Eth | $226,370.00 19,668.236 LINK | 0.1108% |
52 | Binance | LINK-TRY | $11.51 0.0045787 Eth | $204,498.00 16,780.250 LINK | 0.0945% |
53 | AscendEX (BitMax) | LINK-USD | $11.45 0.0045547 Eth | $200,364.00 17,494.800 LINK | 0.0986% |
54 | BitMart | LINK-BTC | $11.48 0.0045650 Eth | $185,631.00 16,165.180 LINK | 0.0911% |
55 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.42 0.0045426 Eth | $185,365.00 16,013.873 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0902% |
56 | Bitso | LINK-USD | $11.52 0.0045612 Eth | $181,783.00 15,782.903 LINK | 0.0889% |
57 | Slex | LINK-BTC | $11.45 0.0045526 Eth | $178,196.00 15,026.600 LINK | 0.0847% |
58 | OKX | LINK-USDC | $11.46 0.0045582 Eth | $162,159.00 13,487.882 LINK | 0.0760% |
59 | BitDelta | LINK-USDT | $11.48 0.0045642 Eth | $161,527.00 13,376.000 LINK | 0.0754% |
60 | BYDFi | LINK-USDC | $11.47 0.0045562 Eth | $156,400.00 13,634.940 LINK | 0.0768% |
61 | Coinbase Exchange | LINK-GBP | $11.47 0.0045600 Eth | $149,711.00 13,056.940 LINK | 0.0736% |
62 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.46 0.0045574 Eth | $143,200.00 149,730.192 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.8435% |
63 | Bitci TR | LINK-TRY | $11.45 0.0045532 Eth | $125,346.00 10,336.072 LINK | 0.0582% |
64 | PointPay | LINK-BTC | $11.48 0.0045538 Eth | $117,690.00 9,911.135 LINK | 0.0558% |
65 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $11.46 0.0045556 Eth | $111,348.00 9,195.724 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0518% |
66 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.42 0.0045416 Eth | $106,477.00 111,595.755 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6287% |
67 | GMO Japan | LINK-JPY | $11.45 0.0045528 Eth | $98,678.00 8,616.400 LINK | 0.0485% |
68 | Slex | LINK-ETH | $11.50 0.0045635 Eth | $96,146.00 8,273.670 LINK | 0.0466% |
69 | Binance US | LINK-USDT | $11.46 0.0045552 Eth | $93,387.00 8,150.226 LINK | 0.0459% |
70 | XT.COM | LINK-BTC | $11.48 0.0045541 Eth | $76,843.00 6,525.420 LINK | 0.0368% |
71 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $11.51 0.0045780 Eth | $58,947.00 4,923.546 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0277% |
72 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.46 0.0045572 Eth | $55,413.00 4,617.336 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0260% |
73 | BitStorage | LINK-ETH | $11.47 0.0045604 Eth | $52,251.00 4,554.700 LINK | 0.0257% |
74 | Kanga | LINK-PLN | $11.47 0.0045624 Eth | $46,601.00 0.000 LINK | 0.0000% |
75 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.46 0.0045572 Eth | $45,100.00 3,740.162 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0211% |
76 | Mercado Bitcoin | LINK-BRL | $11.53 0.0045836 Eth | $40,911.00 3,548.272 LINK | 0.0200% |
77 | KuCoin | LINK-KCS | $11.49 0.0045706 Eth | $35,405.00 3,080.667 LINK | 0.0174% |
78 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.47 0.0045619 Eth | $34,458.00 2,970.161 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0167% |
79 | Bitcointry | LINK-USDT | $11.45 0.0045529 Eth | $33,988.00 2,822.142 LINK | 0.0159% |
80 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.52 0.0045827 Eth | $33,867.00 35,177.794 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1982% |
81 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $11.44 0.0045513 Eth | $29,491.00 2,501.329 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0141% |
82 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $11.51 0.0045582 Eth | $29,161.00 2,517.508 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0142% |
83 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.42 0.0045416 Eth | $21,679.00 22,936.545 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.1292% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.46 0.0045572 Eth | $20,092.00 1,704.256 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0096% |
85 | Nonkyc.io | LINK-BTC | $11.42 0.0045386 Eth | $19,279.80 1,627.130 LINK | 0.0092% |
86 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $11.51 0.0045783 Eth | $15,691.59 25.683 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
87 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $11.43 0.0045463 Eth | $14,769.75 1,282.138 0X5947BB275C521040051D82396192181B413227A3 | 0.0072% |
88 | PancakeSwap V3 (BSC) | 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $11.53 0.0045843 Eth | $14,166.95 8,250.667 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82 | 0.0465% |
89 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $11.50 0.0045718 Eth | $13,507.99 1,171.022 0X5947BB275C521040051D82396192181B413227A3 | 0.0066% |
90 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $11.45 0.0045554 Eth | $12,978.35 1,097.068 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0062% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD93F7E271CB87C23AAA73EDC008A79646D1F9912 | $11.45 0.0045517 Eth | $12,474.14 1,070.765 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0060% |
92 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.53 0.0045762 Eth | $12,346.06 1,060.186 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0060% |
93 | Coins.ph | LINK-PHP | $11.50 0.0045714 Eth | $8,088.94 670.666 LINK | 0.0038% |
94 | PancakeSwap V3 (BSC) | 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $11.53 0.0045843 Eth | $7,881.80 4,569.543 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82 | 0.0257% |
95 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $11.54 0.0045876 Eth | $6,513.14 541.231 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0030% |
96 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $11.40 0.0045348 Eth | $5,746.03 494.425 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0028% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $11.52 0.0045714 Eth | $5,515.72 457.426 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0026% |
98 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $11.51 0.0045729 Eth | $4,345.32 376.527 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0021% |
99 | CoinEx | LINK-BTC | $11.50 0.0045678 Eth | $4,084.11 344.451 LINK | 0.0019% |
100 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $11.41 0.0045364 Eth | $3,548.89 24.761 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 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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