ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
722,499 ( 0.014%)
Market
Price
$10.35 @ 0.004268 ETH (-3.31%)
Onchain Market Cap
$10,350,000,000.00
Circulating Supply Market Cap
$6,486,149,864.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
1.252492693626088438 LINKValue
$12.96 ( ~0.00534406368535582 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $10.36 0.0042730 Eth | $31,173,103.00 2,953,171.870 LINK | 15.8360% |
2 | WhiteBIT | LINK-USDT | $10.34 0.0042656 Eth | $27,722,572.00 2,682,247.390 LINK | 14.3832% |
3 | HTX | LINK-USDT | $10.34 0.0042650 Eth | $11,147,989.00 1,050,399.342 LINK | 5.6326% |
4 | Bitget | LINK-USDT | $10.33 0.0042651 Eth | $9,127,894.00 859,963.620 LINK | 4.6114% |
5 | Bybit | LINK-USDT | $10.33 0.0042639 Eth | $9,028,461.00 853,286.076 LINK | 4.5756% |
6 | Coinbase Exchange | LINK-USD | $10.36 0.0042713 Eth | $8,053,793.00 777,468.240 LINK | 4.1691% |
7 | OKX | LINK-USDT | $10.34 0.0042673 Eth | $6,989,159.00 660,125.196 LINK | 3.5398% |
8 | P2B | LINK-USDT | $10.34 0.0042679 Eth | $6,538,908.00 632,324.060 LINK | 3.3908% |
9 | BTSE | LINK-USDT | $10.33 0.0042632 Eth | $6,120,277.00 592,213.362 LINK | 3.1757% |
10 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.37 0.0042807 Eth | $6,109,507.00 584,703.173 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.1354% |
11 | Ourbit | LINK-USDT | $10.33 0.0042634 Eth | $5,689,186.00 538,732.320 LINK | 2.8889% |
12 | Slex | LINK-USDT | $10.35 0.0042696 Eth | $5,216,526.00 492,385.780 LINK | 2.6404% |
13 | Azbit | LINK-USDT | $10.35 0.0042726 Eth | $4,573,613.00 429,599.550 LINK | 2.3037% |
14 | DigiFinex | LINK-USDT | $10.34 0.0042677 Eth | $4,212,559.00 407,383.740 LINK | 2.1845% |
15 | Biconomy.com | LINK-USDT | $10.35 0.0042633 Eth | $3,751,126.00 353,791.660 LINK | 1.8972% |
16 | Bitunix | LINK-USDT | $10.36 0.0042698 Eth | $3,429,104.00 331,079.910 LINK | 1.7754% |
17 | CoinW | LINK-USDT | $10.33 0.0042648 Eth | $3,148,342.00 304,637.020 LINK | 1.6336% |
18 | XT.COM | LINK-USDT | $10.34 0.0042678 Eth | $3,137,842.00 297,384.150 LINK | 1.5947% |
19 | Hotcoin | LINK-USDT | $10.35 0.0042719 Eth | $2,540,311.00 245,395.200 LINK | 1.3159% |
20 | Trubit | LINK-USDT | $10.34 0.0042657 Eth | $2,217,101.00 209,890.920 LINK | 1.1255% |
21 | Coinstore | LINK-USDT | $10.35 0.0042681 Eth | $2,183,469.00 206,886.790 LINK | 1.1094% |
22 | LBank | LINK-USDT | $10.34 0.0042664 Eth | $2,031,168.00 196,462.320 LINK | 1.0535% |
23 | ProBit Global | LINK-USDT | $10.36 0.0042678 Eth | $1,903,760.00 183,840.178 LINK | 0.9858% |
24 | KuCoin | LINK-USDT | $10.33 0.0042627 Eth | $1,692,606.00 163,898.023 LINK | 0.8789% |
25 | AscendEX (BitMax) | LINK-USDT | $10.30 0.0042535 Eth | $1,650,592.00 160,176.800 LINK | 0.8589% |
26 | BYDFi | LINK-USDT | $10.35 0.0042688 Eth | $1,522,460.00 147,034.440 LINK | 0.7885% |
27 | Binance | LINK-BTC | $10.33 0.0042636 Eth | $1,300,044.00 124,728.020 LINK | 0.6688% |
28 | Nonkyc.io | LINK-USDT | $10.37 0.0042773 Eth | $1,244,518.00 116,284.152 LINK | 0.6236% |
29 | Bitvavo | LINK-EUR | $10.36 0.0042712 Eth | $1,189,970.00 114,862.156 LINK | 0.6159% |
30 | Binance | LINK-FDUSD | $10.35 0.0042671 Eth | $1,111,764.00 105,238.790 LINK | 0.5643% |
31 | WhiteBIT | LINK-BTC | $10.33 0.0042643 Eth | $1,049,338.00 101,572.340 LINK | 0.5447% |
32 | Dex-Trade | LINK-USDT | $10.34 0.0042661 Eth | $992,386.00 95,960.350 LINK | 0.5146% |
33 | HashKey Global | LINK-USDT | $10.35 0.0042696 Eth | $907,117.00 87,953.279 LINK | 0.4716% |
34 | Azbit | LINK-ETH | $10.36 0.0042734 Eth | $784,713.00 74,797.649 LINK | 0.4011% |
35 | Binance | LINK-USDC | $10.36 0.0042703 Eth | $657,005.00 62,373.930 LINK | 0.3345% |
36 | Tokpie | LINK-USDT | $10.34 0.0042627 Eth | $630,937.00 61,030.279 LINK | 0.3273% |
37 | EXMO | LINK-USDT | $10.33 0.0042649 Eth | $627,703.00 60,744.094 LINK | 0.3257% |
38 | LATOKEN | LINK-USDT | $10.37 0.0042803 Eth | $609,083.00 58,729.204 LINK | 0.3149% |
39 | CoinEx | LINK-USDT | $10.34 0.0042681 Eth | $604,982.00 57,482.557 LINK | 0.3082% |
40 | AscendEX (BitMax) | LINK-BTC | $10.37 0.0042805 Eth | $575,834.00 55,528.000 LINK | 0.2978% |
41 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.38 0.0042816 Eth | $574,536.00 55,069.311 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2953% |
42 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.35 0.0042728 Eth | $541,031.00 51,953.325 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2786% |
43 | BigONE | LINK-USDT | $10.37 0.0042769 Eth | $467,972.00 45,124.230 LINK | 0.2420% |
44 | itBit | LINK-USD | $10.36 0.0042625 Eth | $450,878.00 43,521.014 LINK | 0.2334% |
45 | PointPay | LINK-USDT | $10.36 0.0042730 Eth | $420,986.00 39,894.805 LINK | 0.2139% |
46 | ProBit Global | LINK-BTC | $10.35 0.0042691 Eth | $408,984.00 39,504.369 LINK | 0.2118% |
47 | WhiteBIT | LINK-EUR | $10.34 0.0042552 Eth | $396,254.00 38,324.910 LINK | 0.2055% |
48 | Bybit | LINK-USDC | $10.35 0.0042702 Eth | $385,805.00 36,391.202 LINK | 0.1951% |
49 | EarnBIT | LINK-USDT | $10.34 0.0042597 Eth | $325,650.00 30,812.477 LINK | 0.1652% |
50 | Phemex | LINK-USDT | $10.35 0.0042669 Eth | $312,789.00 30,208.200 LINK | 0.1620% |
51 | WhiteBIT | LINK-TRY | $10.42 0.0042914 Eth | $299,047.00 28,701.640 LINK | 0.1539% |
52 | Coinbase Exchange | LINK-EUR | $10.36 0.0042704 Eth | $294,858.00 28,470.500 LINK | 0.1527% |
53 | Coinbase Exchange | LINK-USDT | $10.36 0.0042761 Eth | $290,116.00 27,992.294 LINK | 0.1501% |
54 | LATOKEN | LINK-BTC | $10.32 0.0042580 Eth | $261,305.00 25,319.700 LINK | 0.1358% |
55 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.36 0.0042764 Eth | $257,924.00 24,691.771 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1324% |
56 | Binance | LINK-EUR | $10.36 0.0042679 Eth | $252,093.00 23,802.700 LINK | 0.1276% |
57 | Slex | LINK-ETH | $10.35 0.0042665 Eth | $190,753.00 18,179.740 LINK | 0.0975% |
58 | BitMart | LINK-BTC | $10.35 0.0042704 Eth | $190,641.00 18,425.040 LINK | 0.0988% |
59 | Binance | LINK-ETH | $10.35 0.0042677 Eth | $178,891.00 17,141.960 LINK | 0.0919% |
60 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.37 0.0042789 Eth | $177,610.00 17,065.507 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0915% |
61 | BitDelta | LINK-USDT | $10.35 0.0042680 Eth | $170,565.00 16,081.000 LINK | 0.0862% |
62 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.40 0.0042897 Eth | $169,893.00 173,218.768 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.9289% |
63 | Bitbank | LINK-JPY | $10.38 0.0042854 Eth | $160,897.00 15,497.538 LINK | 0.0831% |
64 | BYDFi | LINK-USDC | $10.36 0.0042712 Eth | $135,499.00 13,079.080 LINK | 0.0701% |
65 | OKX | LINK-USDC | $10.35 0.0042709 Eth | $133,696.00 12,675.871 LINK | 0.0680% |
66 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $10.31 0.0042542 Eth | $123,667.00 11,859.934 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0636% |
67 | Coinbase Exchange | LINK-GBP | $10.36 0.0042728 Eth | $120,007.00 11,580.890 LINK | 0.0621% |
68 | Gemini | LINK-USD | $10.37 0.0042787 Eth | $109,705.00 10,583.224 LINK | 0.0568% |
69 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.26 0.0042349 Eth | $106,068.00 10,198.999 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0547% |
70 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $10.34 0.0042684 Eth | $105,969.00 9,935.182 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0533% |
71 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.36 0.0042722 Eth | $100,109.00 102,317.300 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5487% |
72 | Binance | LINK-TRY | $10.38 0.0042839 Eth | $85,649.00 8,093.100 LINK | 0.0434% |
73 | GMO Japan | LINK-JPY | $10.39 0.0042893 Eth | $78,748.00 7,578.100 LINK | 0.0406% |
74 | Slex | LINK-BTC | $10.34 0.0042690 Eth | $75,884.00 7,280.700 LINK | 0.0390% |
75 | Mercado Bitcoin | LINK-BRL | $10.39 0.0042865 Eth | $62,030.00 5,971.655 LINK | 0.0320% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.40 0.0042897 Eth | $58,300.00 5,500.611 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0295% |
77 | Binance | LINK-BRL | $10.41 0.0042908 Eth | $57,940.00 5,468.730 LINK | 0.0293% |
78 | Kraken | LINK-GBP | $10.31 0.0042546 Eth | $57,698.00 5,595.186 LINK | 0.0300% |
79 | PointPay | LINK-BTC | $10.35 0.0042681 Eth | $49,273.00 4,731.612 LINK | 0.0254% |
80 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $10.35 0.0042728 Eth | $43,970.00 4,165.353 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0223% |
81 | Bitso | LINK-USD | $10.36 0.0042757 Eth | $38,180.00 3,685.293 LINK | 0.0198% |
82 | Binance | LINK-BNB | $10.37 0.0042696 Eth | $35,735.00 3,421.603 LINK | 0.0183% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.35 0.0042683 Eth | $34,023.00 3,260.600 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0175% |
84 | Bitcointry | LINK-USDT | $10.36 0.0042708 Eth | $30,713.00 2,906.906 LINK | 0.0156% |
85 | EXMO | LINK-BTC | $10.34 0.0042657 Eth | $30,457.00 2,946.469 LINK | 0.0158% |
86 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.34 0.0042626 Eth | $28,363.00 29,166.439 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1564% |
87 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $10.36 0.0042760 Eth | $27,369.00 2,615.034 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0140% |
88 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $10.36 0.0042754 Eth | $26,020.00 2,498.106 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0134% |
89 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $10.34 0.0042620 Eth | $20,319.00 1,956.563 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0105% |
90 | Binance US | LINK-USDT | $10.34 0.0042661 Eth | $16,322.76 1,578.355 LINK | 0.0085% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.35 0.0042667 Eth | $15,763.89 1,483.181 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0080% |
92 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.40 0.0042897 Eth | $15,747.50 1,510.263 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0081% |
93 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.31 0.0042537 Eth | $12,860.27 1,269.501 0X5947BB275C521040051D82396192181B413227A3 | 0.0068% |
94 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.35 0.0042728 Eth | $12,414.63 12,705.788 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0681% |
95 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $10.38 0.0042815 Eth | $11,572.36 1,110.472 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0060% |
96 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $10.31 0.0042566 Eth | $9,336.90 15.628 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $10.37 0.0042782 Eth | $9,128.21 862.017 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0046% |
98 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $10.35 0.0042667 Eth | $7,186.71 678.217 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0036% |
99 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.29 0.0042454 Eth | $6,231.76 612.644 0X5947BB275C521040051D82396192181B413227A3 | 0.0033% |
100 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $10.36 0.0042743 Eth | $4,361.85 411.186 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0022% |
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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