ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
722,342 ( -0.005%)
Market
Price
$11.15 @ 0.004481 ETH (-0.87%)
Onchain Market Cap
$11,150,000,000.00
Circulating Supply Market Cap
$6,991,141,921.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
45.70438646 LINKValue
$509.60 ( ~0.204807942115974 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | WhiteBIT | LINK-USDT | $11.16 0.0044899 Eth | $25,125,848.00 2,251,656.050 LINK | 16.4733% |
2 | Bitget | LINK-USDT | $11.17 0.0044901 Eth | $9,128,432.00 810,973.201 LINK | 5.9331% |
3 | Bybit | LINK-USDT | $11.18 0.0044935 Eth | $8,707,252.00 773,728.033 LINK | 5.6607% |
4 | Coinbase Exchange | LINK-USD | $11.16 0.0044947 Eth | $8,540,477.00 765,138.640 LINK | 5.5978% |
5 | BTSE | LINK-USDT | $11.16 0.0044909 Eth | $6,732,790.00 603,529.575 LINK | 4.4155% |
6 | Slex | LINK-USDT | $11.16 0.0044922 Eth | $5,420,869.00 480,878.950 LINK | 3.5182% |
7 | P2B | LINK-USDT | $11.16 0.0044909 Eth | $5,368,592.00 481,238.830 LINK | 3.5208% |
8 | Ourbit | LINK-USDT | $11.17 0.0044891 Eth | $5,107,014.00 453,585.200 LINK | 3.3185% |
9 | OKX | LINK-USDT | $11.18 0.0044954 Eth | $4,999,439.00 443,780.870 LINK | 3.2467% |
10 | WEEX | LINK-USDT | $11.16 0.0044831 Eth | $4,775,924.00 423,830.200 LINK | 3.1008% |
11 | Gate.io | LINK-USDT | $11.16 0.0044873 Eth | $4,706,219.00 416,181.440 LINK | 3.0448% |
12 | Azbit | LINK-USDT | $11.17 0.0044916 Eth | $3,973,569.00 353,361.520 LINK | 2.5852% |
13 | Biconomy.com | LINK-USDT | $11.17 0.0044847 Eth | $3,739,929.00 332,101.770 LINK | 2.4297% |
14 | BVOX | LINK-USDT | $11.14 0.0044862 Eth | $3,529,429.00 313,330.770 LINK | 2.2924% |
15 | Crypto.com Exchange | LINK-USDT | $11.16 0.0044883 Eth | $3,502,941.00 314,023.390 LINK | 2.2974% |
16 | DigiFinex | LINK-USDT | $11.17 0.0044906 Eth | $3,463,852.00 310,086.350 LINK | 2.2686% |
17 | FameEX | LINK-USDT | $11.16 0.0044868 Eth | $3,064,351.00 272,510.159 LINK | 1.9937% |
18 | Deepcoin | LINK-USDT | $11.16 0.0044921 Eth | $2,619,005.00 284,498.820 LINK | 2.0814% |
19 | XT.COM | LINK-USDT | $11.18 0.0044950 Eth | $2,595,717.00 230,908.750 LINK | 1.6893% |
20 | Hotcoin | LINK-USDT | $11.14 0.0044796 Eth | $2,594,670.00 233,012.790 LINK | 1.7047% |
21 | Bitunix | LINK-USDT | $11.16 0.0044943 Eth | $2,530,561.00 226,834.520 LINK | 1.6595% |
22 | CoinW | LINK-USDT | $11.15 0.0044918 Eth | $2,016,809.00 180,802.230 LINK | 1.3228% |
23 | ProBit Global | LINK-USDT | $11.16 0.0044922 Eth | $1,784,711.00 159,854.083 LINK | 1.1695% |
24 | AscendEX (BitMax) | LINK-USDT | $11.18 0.0044927 Eth | $1,706,166.00 152,673.900 LINK | 1.1170% |
25 | Coinstore | LINK-USDT | $11.15 0.0044875 Eth | $1,698,324.00 151,192.490 LINK | 1.1061% |
26 | LBank | LINK-USDT | $11.16 0.0044910 Eth | $1,697,545.00 152,172.640 LINK | 1.1133% |
27 | KuCoin | LINK-USDT | $11.17 0.0044901 Eth | $1,628,589.00 145,818.605 LINK | 1.0668% |
28 | BYDFi | LINK-USDT | $11.17 0.0044864 Eth | $1,503,561.00 134,604.320 LINK | 0.9848% |
29 | WhiteBIT | LINK-BTC | $11.15 0.0044904 Eth | $1,483,227.00 132,977.680 LINK | 0.9729% |
30 | Niza Global | LINK-USD | $11.16 0.0044903 Eth | $1,381,518.00 123,020.611 LINK | 0.9000% |
31 | Kraken | LINK-USD | $11.18 0.0044930 Eth | $1,373,501.00 122,892.398 LINK | 0.8991% |
32 | Bullish | LINK-USDC | $11.16 0.0044917 Eth | $1,301,230.00 115,503.934 LINK | 0.8450% |
33 | Trubit | LINK-USDT | $11.16 0.0044900 Eth | $1,294,806.00 114,564.690 LINK | 0.8382% |
34 | HashKey Global | LINK-USDT | $11.15 0.0044886 Eth | $909,645.00 80,634.615 LINK | 0.5899% |
35 | Dex-Trade | LINK-USDT | $11.17 0.0044907 Eth | $845,295.00 75,696.140 LINK | 0.5538% |
36 | Azbit | LINK-ETH | $11.16 0.0044936 Eth | $730,462.00 65,416.491 LINK | 0.4786% |
37 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.17 0.0044915 Eth | $567,950.00 50,739.817 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3712% |
38 | Bitvavo | LINK-EUR | $11.21 0.0045144 Eth | $539,994.00 48,153.559 LINK | 0.3523% |
39 | EXMO | LINK-USDT | $11.17 0.0044934 Eth | $526,640.00 47,132.338 LINK | 0.3448% |
40 | LATOKEN | LINK-USDT | $11.17 0.0044950 Eth | $500,653.00 44,838.227 LINK | 0.3280% |
41 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.16 0.0044894 Eth | $446,522.00 40,003.223 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2927% |
42 | PointPay | LINK-USDT | $11.16 0.0044910 Eth | $433,964.00 38,601.960 LINK | 0.2824% |
43 | Coinbase Exchange | LINK-USDT | $11.12 0.0044763 Eth | $401,832.00 36,147.981 LINK | 0.2645% |
44 | BigONE | LINK-USDT | $11.13 0.0044693 Eth | $388,403.00 34,884.710 LINK | 0.2552% |
45 | Bybit | LINK-USDC | $11.17 0.0044912 Eth | $385,727.00 34,193.133 LINK | 0.2502% |
46 | CoinEx | LINK-USDT | $11.16 0.0044914 Eth | $358,182.00 31,766.193 LINK | 0.2324% |
47 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.10 0.0044653 Eth | $355,917.00 31,789.823 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2326% |
48 | LATOKEN | LINK-BTC | $11.13 0.0044824 Eth | $333,821.00 29,980.771 LINK | 0.2193% |
49 | WhiteBIT | LINK-EUR | $11.18 0.0044950 Eth | $326,563.00 29,205.930 LINK | 0.2137% |
50 | ProBit Global | LINK-BTC | $11.16 0.0044876 Eth | $296,576.00 26,576.425 LINK | 0.1944% |
51 | Phemex | LINK-USDT | $11.17 0.0044950 Eth | $264,705.00 23,707.630 LINK | 0.1734% |
52 | WhiteBIT | LINK-TRY | $11.27 0.0045286 Eth | $255,159.00 22,650.520 LINK | 0.1657% |
53 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.12 0.0044709 Eth | $204,041.00 18,196.960 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1331% |
54 | BitMart | LINK-BTC | $11.16 0.0044897 Eth | $195,540.00 17,524.080 LINK | 0.1282% |
55 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.17 0.0044923 Eth | $166,906.00 14,940.266 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1093% |
56 | Binance | LINK-EUR | $11.22 0.0045101 Eth | $162,135.00 14,352.080 LINK | 0.1050% |
57 | BitDelta | LINK-USDT | $11.17 0.0044950 Eth | $148,907.00 13,212.000 LINK | 0.0967% |
58 | OKX | LINK-USDC | $11.15 0.0044818 Eth | $138,242.00 12,283.377 LINK | 0.0899% |
59 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $11.18 0.0044975 Eth | $133,816.00 11,908.175 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0871% |
60 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.14 0.0044813 Eth | $129,039.00 11,571.564 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0847% |
61 | Coinbase Exchange | LINK-EUR | $11.21 0.0045130 Eth | $127,264.00 11,355.290 LINK | 0.0831% |
62 | BYDFi | LINK-USDC | $11.16 0.0044828 Eth | $113,813.00 10,197.210 LINK | 0.0746% |
63 | Gemini | LINK-USD | $11.16 0.0044886 Eth | $107,552.00 9,636.412 LINK | 0.0705% |
64 | Slex | LINK-BTC | $11.16 0.0044940 Eth | $100,101.00 8,921.900 LINK | 0.0653% |
65 | GMO Japan | LINK-JPY | $11.17 0.0044935 Eth | $97,323.00 8,710.400 LINK | 0.0637% |
66 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.18 0.0044960 Eth | $95,901.00 96,826.757 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.7084% |
67 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.09 0.0044672 Eth | $65,419.00 66,387.101 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4857% |
68 | PointPay | LINK-BTC | $11.15 0.0044894 Eth | $64,281.00 5,727.284 LINK | 0.0419% |
69 | Slex | LINK-ETH | $11.17 0.0044965 Eth | $55,509.00 4,963.840 LINK | 0.0363% |
70 | KuCoin | LINK-USDC | $11.14 0.0044803 Eth | $47,225.00 4,237.541 LINK | 0.0310% |
71 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $11.16 0.0044878 Eth | $45,593.00 4,055.301 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0297% |
72 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $11.07 0.0044533 Eth | $43,081.00 3,867.518 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0283% |
73 | Bitso | LINK-USD | $11.15 0.0044903 Eth | $33,271.00 2,983.630 LINK | 0.0218% |
74 | Bitcointry | LINK-USDT | $11.16 0.0044887 Eth | $31,458.00 2,795.455 LINK | 0.0205% |
75 | Coinbase Exchange | LINK-BTC | $11.15 0.0044904 Eth | $30,185.00 2,706.820 LINK | 0.0198% |
76 | Binance US | LINK-USDT | $11.16 0.0044861 Eth | $29,143.00 2,611.528 LINK | 0.0191% |
77 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.18 0.0044978 Eth | $24,473.00 24,744.780 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1810% |
78 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.16 0.0044884 Eth | $22,523.00 1,993.394 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0146% |
79 | PancakeSwap V3 (BSC) | 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $11.14 0.0044809 Eth | $13,407.08 7,867.556 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82 | 0.0576% |
80 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $11.19 0.0044999 Eth | $13,326.15 1,187.074 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0087% |
81 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.10 0.0044653 Eth | $12,268.72 12,408.048 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0908% |
82 | HTX | LINK-BTC | $11.18 0.0044977 Eth | $10,010.71 887.070 LINK | 0.0065% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.17 0.0044923 Eth | $9,447.21 849.200 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0062% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.16 0.0044894 Eth | $9,149.54 817.689 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0060% |
85 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.17 0.0044907 Eth | $8,569.51 766.256 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0056% |
86 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $11.14 0.0044818 Eth | $7,540.88 12.246 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
87 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $11.11 0.0044673 Eth | $6,617.17 606.790 0X5947BB275C521040051D82396192181B413227A3 | 0.0044% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $11.17 0.0044905 Eth | $4,013.67 356.907 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0026% |
89 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $11.13 0.0044740 Eth | $3,932.99 348.614 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0026% |
90 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $11.12 0.0044729 Eth | $3,139.33 278.090 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0020% |
91 | CoinEx | LINK-BTC | $11.14 0.0044825 Eth | $2,082.58 185.305 LINK | 0.0014% |
92 | CoinEx | LINK-USDC | $11.11 0.0044745 Eth | $2,039.16 180.938 LINK | 0.0013% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.08 0.0044628 Eth | $1,632.65 146.716 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0011% |
94 | CEX.IO | LINK-USDT | $11.17 0.0044876 Eth | $1,235.29 108.832 LINK | 0.0008% |
95 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | $11.07 0.0044521 Eth | $1,024.38 1,042.094 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0076% |
96 | Balancer V2 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.19 0.0045009 Eth | $965.89 86.140 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0006% |
97 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $11.11 0.0044679 Eth | $754.59 69.554 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0005% |
98 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $11.14 0.0044842 Eth | $659.73 58.506 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
99 | Uniswap V3 (Arbitrum One) | 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.12 0.0044772 Eth | $638.46 136.275 0X0C880F6761F1AF8D9AA9C466984B80DAB9A8C9E8 | 0.0010% |
100 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0XDA10009CBD5D07DD0CECC66161FC93D7C9000DA1 | $11.08 0.0044598 Eth | $149.98 13.323 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 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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