ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
722,506 ( 0.000%)
Market
Price
$10.50 @ 0.004312 ETH (-1.44%)
Onchain Market Cap
$10,500,000,000.00
Circulating Supply Market Cap
$6,563,658,886.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
70.03646 LINKValue
$735.38 ( ~0.301979337713637 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $10.50 0.0042997 Eth | $34,121,695.00 3,279,930.900 LINK | 16.6135% |
2 | WhiteBIT | LINK-USDT | $10.51 0.0043141 Eth | $32,438,817.00 3,086,933.480 LINK | 15.6360% |
3 | HTX | LINK-USDT | $10.50 0.0043118 Eth | $11,770,826.00 1,130,177.151 LINK | 5.7246% |
4 | Coinbase Exchange | LINK-USD | $10.50 0.0043102 Eth | $10,701,095.00 1,019,248.950 LINK | 5.1627% |
5 | Gate.io | LINK-USDT | $10.51 0.0043125 Eth | $10,346,325.00 1,013,013.730 LINK | 5.1311% |
6 | Bitget | LINK-USDT | $10.51 0.0043133 Eth | $9,367,615.00 898,526.984 LINK | 4.5512% |
7 | Bybit | LINK-USDT | $10.51 0.0043134 Eth | $9,289,861.00 894,035.710 LINK | 4.5285% |
8 | OKX | LINK-USDT | $10.51 0.0043137 Eth | $7,142,063.00 690,030.355 LINK | 3.4951% |
9 | P2B | LINK-USDT | $10.51 0.0043162 Eth | $7,066,863.00 672,167.280 LINK | 3.4047% |
10 | Slex | LINK-USDT | $10.51 0.0043160 Eth | $5,954,724.00 571,401.290 LINK | 2.8943% |
11 | BTSE | LINK-USDT | $10.51 0.0043140 Eth | $5,846,817.00 556,340.114 LINK | 2.8180% |
12 | DigiFinex | LINK-USDT | $10.50 0.0043121 Eth | $4,649,250.00 442,637.960 LINK | 2.2421% |
13 | Bitunix | LINK-USDT | $10.50 0.0043101 Eth | $4,372,486.00 416,563.800 LINK | 2.1100% |
14 | Biconomy.com | LINK-USDT | $10.51 0.0043135 Eth | $3,839,045.00 369,311.900 LINK | 1.8706% |
15 | Azbit | LINK-USDT | $10.51 0.0043039 Eth | $3,604,187.00 344,430.270 LINK | 1.7446% |
16 | CoinW | LINK-USDT | $10.51 0.0043128 Eth | $3,568,442.00 339,682.680 LINK | 1.7206% |
17 | XT.COM | LINK-USDT | $10.51 0.0043063 Eth | $3,425,298.00 329,365.850 LINK | 1.6683% |
18 | Hotcoin | LINK-USDT | $10.49 0.0043070 Eth | $2,846,397.00 271,309.100 LINK | 1.3742% |
19 | Coinstore | LINK-USDT | $10.51 0.0043131 Eth | $2,284,784.00 219,719.850 LINK | 1.1129% |
20 | Trubit | LINK-USDT | $10.51 0.0043151 Eth | $2,249,752.00 216,584.420 LINK | 1.0970% |
21 | LBank | LINK-USDT | $10.50 0.0043116 Eth | $2,111,590.00 201,041.920 LINK | 1.0183% |
22 | KuCoin | LINK-USDT | $10.51 0.0043123 Eth | $1,979,064.00 188,392.537 LINK | 0.9542% |
23 | AscendEX (BitMax) | LINK-USDT | $10.48 0.0043031 Eth | $1,764,255.00 168,319.800 LINK | 0.8526% |
24 | BYDFi | LINK-USDT | $10.51 0.0043063 Eth | $1,717,548.00 163,385.080 LINK | 0.8276% |
25 | Bitvavo | LINK-EUR | $10.50 0.0043038 Eth | $1,439,450.00 137,122.079 LINK | 0.6946% |
26 | ProBit Global | LINK-USDT | $10.51 0.0043045 Eth | $1,342,384.00 127,727.668 LINK | 0.6470% |
27 | WhiteBIT | LINK-BTC | $10.51 0.0043138 Eth | $1,175,067.00 111,779.660 LINK | 0.5662% |
28 | Dex-Trade | LINK-USDT | $10.50 0.0043021 Eth | $1,126,802.00 107,290.960 LINK | 0.5435% |
29 | Tokpie | LINK-USDT | $10.49 0.0043052 Eth | $916,777.00 87,367.192 LINK | 0.4425% |
30 | HashKey Global | LINK-USDT | $10.50 0.0043091 Eth | $906,688.00 87,955.661 LINK | 0.4455% |
31 | Azbit | LINK-ETH | $10.51 0.0043091 Eth | $699,034.00 66,832.969 LINK | 0.3385% |
32 | EXMO | LINK-USDT | $10.51 0.0043132 Eth | $689,716.00 65,648.117 LINK | 0.3325% |
33 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.44 0.0042871 Eth | $670,697.00 64,393.594 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3262% |
34 | LATOKEN | LINK-USDT | $10.50 0.0042985 Eth | $669,194.00 63,708.680 LINK | 0.3227% |
35 | AscendEX (BitMax) | LINK-BTC | $10.50 0.0043095 Eth | $578,077.00 55,070.100 LINK | 0.2789% |
36 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.45 0.0042908 Eth | $561,996.00 53,932.140 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2732% |
37 | BigONE | LINK-USDT | $10.48 0.0043030 Eth | $538,408.00 51,366.250 LINK | 0.2602% |
38 | Kraken | LINK-USDT | $10.51 0.0043152 Eth | $515,502.00 49,043.914 LINK | 0.2484% |
39 | CoinEx | LINK-USDT | $10.49 0.0043015 Eth | $502,742.00 48,285.487 LINK | 0.2446% |
40 | itBit | LINK-USD | $10.45 0.0043148 Eth | $476,560.00 45,603.801 LINK | 0.2310% |
41 | ProBit Global | LINK-BTC | $10.51 0.0043131 Eth | $454,038.00 43,215.677 LINK | 0.2189% |
42 | PointPay | LINK-USDT | $10.50 0.0043111 Eth | $440,713.00 42,418.148 LINK | 0.2149% |
43 | WhiteBIT | LINK-EUR | $10.52 0.0043100 Eth | $409,081.00 38,874.510 LINK | 0.1969% |
44 | Coinbase Exchange | LINK-USDT | $10.46 0.0042955 Eth | $385,668.00 36,856.219 LINK | 0.1867% |
45 | Phemex | LINK-USDT | $10.52 0.0043073 Eth | $352,115.00 33,461.540 LINK | 0.1695% |
46 | Bybit | LINK-USDC | $10.51 0.0043130 Eth | $349,615.00 33,593.102 LINK | 0.1702% |
47 | Nonkyc.io | LINK-USDT | $10.47 0.0042993 Eth | $336,058.00 31,889.789 LINK | 0.1615% |
48 | EarnBIT | LINK-USDT | $10.51 0.0043131 Eth | $331,001.00 32,015.917 LINK | 0.1622% |
49 | Coinbase Exchange | LINK-EUR | $10.52 0.0043136 Eth | $316,840.00 30,125.440 LINK | 0.1526% |
50 | WhiteBIT | LINK-TRY | $10.54 0.0043172 Eth | $314,058.00 29,800.660 LINK | 0.1509% |
51 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.45 0.0042902 Eth | $306,516.00 29,423.169 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1490% |
52 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.53 0.0043234 Eth | $306,079.00 28,958.257 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1467% |
53 | LATOKEN | LINK-BTC | $10.51 0.0043054 Eth | $250,698.00 23,857.661 LINK | 0.1208% |
54 | Binance | LINK-EUR | $10.52 0.0043182 Eth | $215,688.00 20,636.880 LINK | 0.1045% |
55 | BitMart | LINK-BTC | $10.50 0.0043117 Eth | $197,962.00 18,846.520 LINK | 0.0955% |
56 | BitDelta | LINK-USDT | $10.49 0.0043011 Eth | $193,323.00 18,586.000 LINK | 0.0941% |
57 | Slex | LINK-ETH | $10.52 0.0043169 Eth | $185,692.00 17,762.720 LINK | 0.0900% |
58 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.53 0.0043219 Eth | $171,743.00 170,216.135 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.8622% |
59 | Bitbank | LINK-JPY | $10.53 0.0043190 Eth | $167,546.00 15,918.710 LINK | 0.0806% |
60 | BYDFi | LINK-USDC | $10.51 0.0043033 Eth | $159,613.00 15,181.990 LINK | 0.0769% |
61 | Gemini | LINK-USD | $10.53 0.0043231 Eth | $145,518.00 13,818.229 LINK | 0.0700% |
62 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $10.45 0.0042917 Eth | $138,789.00 13,235.327 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0670% |
63 | OKX | LINK-USDC | $10.50 0.0043103 Eth | $121,446.00 11,687.492 LINK | 0.0592% |
64 | GMO Japan | LINK-JPY | $10.54 0.0043274 Eth | $119,149.00 11,303.400 LINK | 0.0573% |
65 | Coinbase Exchange | LINK-GBP | $10.48 0.0042992 Eth | $114,188.00 10,893.440 LINK | 0.0552% |
66 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $10.50 0.0043099 Eth | $112,560.00 10,829.663 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0549% |
67 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.50 0.0043127 Eth | $107,547.00 10,321.209 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0523% |
68 | Bitci TR | LINK-TRY | $10.58 0.0043443 Eth | $106,378.00 10,156.520 LINK | 0.0514% |
69 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.45 0.0042884 Eth | $100,504.00 99,869.987 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5059% |
70 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $10.44 0.0042871 Eth | $92,552.00 9,171.345 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0465% |
71 | Bitkub | LINK-THB | $10.45 0.0042834 Eth | $81,928.00 7,838.592 LINK | 0.0397% |
72 | Slex | LINK-BTC | $10.51 0.0043160 Eth | $73,264.00 6,976.900 LINK | 0.0353% |
73 | Mercado Bitcoin | LINK-BRL | $10.59 0.0043440 Eth | $73,030.00 6,898.735 LINK | 0.0349% |
74 | Bitso | LINK-USD | $10.50 0.0043110 Eth | $62,894.00 5,988.839 LINK | 0.0303% |
75 | Kraken | LINK-GBP | $10.46 0.0042933 Eth | $61,908.00 5,919.821 LINK | 0.0300% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.53 0.0043219 Eth | $60,180.00 5,790.341 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0293% |
77 | PointPay | LINK-BTC | $10.51 0.0043132 Eth | $48,671.00 4,638.275 LINK | 0.0235% |
78 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.50 0.0043124 Eth | $39,299.00 3,865.205 0X5947BB275C521040051D82396192181B413227A3 | 0.0196% |
79 | Coinbase Exchange | LINK-ETH | $10.50 0.0043121 Eth | $38,901.00 3,703.120 LINK | 0.0188% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.50 0.0043064 Eth | $38,307.00 3,668.501 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0186% |
81 | Binance US | LINK-USDT | $10.49 0.0043080 Eth | $32,029.00 3,052.239 LINK | 0.0155% |
82 | Coinbase Exchange | LINK-BTC | $10.52 0.0043121 Eth | $31,685.00 3,013.180 LINK | 0.0153% |
83 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.51 0.0043087 Eth | $29,310.00 29,037.609 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1471% |
84 | Coinone | LINK-KRW | $10.59 0.0043480 Eth | $25,683.00 2,424.744 LINK | 0.0123% |
85 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $10.50 0.0043122 Eth | $25,085.00 2,394.718 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0121% |
86 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $10.45 0.0042905 Eth | $22,473.00 2,154.568 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0109% |
87 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.51 0.0043163 Eth | $22,279.00 2,113.877 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0107% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD93F7E271CB87C23AAA73EDC008A79646D1F9912 | $10.50 0.0043108 Eth | $18,909.21 1,791.531 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0091% |
89 | CoinEx | LINK-USDC | $10.47 0.0042979 Eth | $18,576.00 1,786.559 LINK | 0.0090% |
90 | CoinEx | LINK-BTC | $10.50 0.0043013 Eth | $17,624.71 1,684.219 LINK | 0.0085% |
91 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.46 0.0042942 Eth | $17,314.90 1,656.503 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0084% |
92 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $10.49 0.0042928 Eth | $16,983.73 1,642.934 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0083% |
93 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $10.44 0.0042874 Eth | $12,230.89 1,163.114 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0059% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.49 0.0043031 Eth | $12,082.67 1,154.635 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0058% |
95 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.44 0.0042871 Eth | $11,609.79 11,573.113 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0586% |
96 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $10.48 0.0043029 Eth | $9,497.31 15.610 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $10.50 0.0043062 Eth | $9,091.22 871.235 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0044% |
98 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $10.45 0.0042916 Eth | $6,904.89 52.632 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0003% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $10.51 0.0043104 Eth | $6,627.42 637.027 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0032% |
100 | KuCoin | LINK-KCS | $10.50 0.0043102 Eth | $4,345.91 413.896 LINK | 0.0021% |
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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