ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
721,381 ( -0.006%)
Market
Price
$11.31 @ 0.004680 ETH (+2.30%)
Onchain Market Cap
$11,310,000,000.00
Circulating Supply Market Cap
$7,086,015,610.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
91.47786253 LINKValue
$1,034.61 ( ~0.428107599565087 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | LBank | LINK-USDT | $11.30 0.0046731 Eth | $28,053,856.00 2,482,783.920 LINK | 19.9190% |
2 | Binance | LINK-USDT | $11.32 0.0046810 Eth | $12,521,747.00 1,113,457.570 LINK | 8.9331% |
3 | Coinbase Exchange | LINK-USD | $11.31 0.0046756 Eth | $9,921,671.00 877,402.820 LINK | 7.0393% |
4 | Bitget | LINK-USDT | $11.31 0.0046764 Eth | $8,854,729.00 787,085.397 LINK | 6.3147% |
5 | Bybit | LINK-USDT | $11.30 0.0046759 Eth | $7,422,814.00 659,278.947 LINK | 5.2893% |
6 | HTX | LINK-USDT | $11.31 0.0046749 Eth | $7,389,243.00 656,617.309 LINK | 5.2680% |
7 | WhiteBIT | LINK-USDT | $11.30 0.0046762 Eth | $5,675,074.00 502,056.880 LINK | 4.0279% |
8 | Websea | LINK-USDT | $11.32 0.0046799 Eth | $5,456,877.00 0.000 LINK | 0.0000% |
9 | Azbit | LINK-USDT | $11.32 0.0046798 Eth | $5,227,108.00 464,659.660 LINK | 3.7279% |
10 | Biconomy.com | LINK-USDT | $11.32 0.0046781 Eth | $4,607,224.00 409,474.140 LINK | 3.2852% |
11 | BVOX | LINK-USDT | $11.30 0.0046743 Eth | $3,150,578.00 280,050.460 LINK | 2.2468% |
12 | WEEX | LINK-USDT | $11.33 0.0046828 Eth | $2,786,012.00 247,361.950 LINK | 1.9846% |
13 | P2B | LINK-USDT | $11.32 0.0046795 Eth | $2,705,696.00 239,066.460 LINK | 1.9180% |
14 | Poloniex | LINK-USDT | $11.31 0.0046736 Eth | $2,491,821.00 221,586.524 LINK | 1.7778% |
15 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.25 0.0046529 Eth | $2,187,766.00 194,316.386 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.5590% |
16 | Slex | LINK-USDT | $11.31 0.0046737 Eth | $2,160,598.00 192,118.160 LINK | 1.5413% |
17 | OKX | LINK-USDT | $11.31 0.0046766 Eth | $1,990,676.00 177,145.550 LINK | 1.4212% |
18 | AscendEX (BitMax) | LINK-USDT | $11.36 0.0046963 Eth | $1,697,520.00 149,477.900 LINK | 1.1992% |
19 | DigiFinex | LINK-USDT | $11.30 0.0046746 Eth | $1,607,457.00 142,215.010 LINK | 1.1410% |
20 | Trubit | LINK-USDT | $11.31 0.0046783 Eth | $1,464,618.00 129,989.900 LINK | 1.0429% |
21 | Deepcoin | LINK-USDT | $11.33 0.0046836 Eth | $1,359,288.00 128,027.500 LINK | 1.0271% |
22 | KuCoin | LINK-USDT | $11.31 0.0046773 Eth | $1,283,166.00 113,491.757 LINK | 0.9105% |
23 | C-Patex | LINK-USDT | $11.30 0.0046744 Eth | $1,280,016.00 113,252.160 LINK | 0.9086% |
24 | Oceanex | LINK-USDT | $11.32 0.0046795 Eth | $1,187,766.00 104,926.870 LINK | 0.8418% |
25 | XT.COM | LINK-USDT | $11.32 0.0046804 Eth | $1,110,060.00 98,699.090 LINK | 0.7918% |
26 | Toobit | LINK-USDT | $11.31 0.0046768 Eth | $1,100,761.00 97,897.340 LINK | 0.7854% |
27 | Binance | LINK-BTC | $11.32 0.0046787 Eth | $1,015,535.00 90,384.920 LINK | 0.7251% |
28 | CoinW | LINK-USDT | $11.30 0.0046751 Eth | $991,340.00 87,696.530 LINK | 0.7036% |
29 | Azbit | LINK-ETH | $11.32 0.0046784 Eth | $955,165.00 84,632.806 LINK | 0.6790% |
30 | Crypto.com Exchange | LINK-USDT | $11.32 0.0046786 Eth | $886,451.00 78,338.870 LINK | 0.6285% |
31 | FMCPAY | LINK-USDT | $11.31 0.0046762 Eth | $798,078.00 71,000.844 LINK | 0.5696% |
32 | Gate.io | LINK-USDT | $11.31 0.0046771 Eth | $790,345.00 70,217.550 LINK | 0.5633% |
33 | BloFin | LINK-USDT | $11.31 0.0046737 Eth | $726,614.00 64,592.190 LINK | 0.5182% |
34 | BTSE | LINK-USDT | $11.30 0.0046741 Eth | $704,628.00 62,364.324 LINK | 0.5003% |
35 | BYDFi | LINK-USDT | $11.27 0.0046621 Eth | $606,768.00 53,846.160 LINK | 0.4320% |
36 | FMFW.io | LINK-USDT | $11.31 0.0046738 Eth | $586,702.00 51,878.580 LINK | 0.4162% |
37 | HitBTC | LINK-USDT | $11.31 0.0046763 Eth | $583,378.00 51,868.640 LINK | 0.4161% |
38 | Hotcoin | LINK-USDT | $11.30 0.0046731 Eth | $581,706.00 51,481.390 LINK | 0.4130% |
39 | tanX | LINK-USDC | $11.26 0.0046544 Eth | $566,511.00 50,352.650 LINK | 0.4040% |
40 | Bitunix | LINK-USDT | $11.31 0.0046774 Eth | $548,187.00 48,457.380 LINK | 0.3888% |
41 | Kraken | LINK-USDT | $11.31 0.0046796 Eth | $515,103.00 45,536.781 LINK | 0.3653% |
42 | Niza Global | LINK-USDT | $11.31 0.0046750 Eth | $514,969.00 45,536.781 LINK | 0.3653% |
43 | Bitvavo | LINK-EUR | $11.29 0.0046671 Eth | $503,888.00 44,633.370 LINK | 0.3581% |
44 | Kraken | LINK-USD | $11.32 0.0046835 Eth | $501,527.00 44,299.929 LINK | 0.3554% |
45 | Bit2Me | LINK-USDT | $11.31 0.0046776 Eth | $500,137.00 44,626.045 LINK | 0.3580% |
46 | FameEX | LINK-USDT | $11.31 0.0046782 Eth | $499,097.00 44,374.282 LINK | 0.3560% |
47 | Niza Global | LINK-USD | $11.32 0.0046774 Eth | $497,718.00 44,198.929 LINK | 0.3546% |
48 | FMCPAY | LINK-ETH | $11.32 0.0046799 Eth | $467,155.00 41,422.240 LINK | 0.3323% |
49 | FMCPAY | LINK-BTC | $11.31 0.0046735 Eth | $436,734.00 38,909.500 LINK | 0.3122% |
50 | Coinbase Exchange | LINK-USDT | $11.27 0.0046603 Eth | $382,012.00 33,901.458 LINK | 0.2720% |
51 | CoinEx | LINK-USDT | $11.31 0.0046750 Eth | $369,584.00 32,882.291 LINK | 0.2638% |
52 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.27 0.0046591 Eth | $352,378.00 31,398.337 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2519% |
53 | Crypto.com Exchange | LINK-USD | $11.32 0.0046784 Eth | $346,044.00 30,582.780 LINK | 0.2454% |
54 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.31 0.0046775 Eth | $314,289.00 28,117.486 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2256% |
55 | WhiteBIT | LINK-BTC | $11.32 0.0046812 Eth | $258,835.00 22,874.300 LINK | 0.1835% |
56 | MEXC | LINK-USDT | $11.33 0.0046833 Eth | $233,940.00 20,649.080 LINK | 0.1657% |
57 | Bitstamp | LINK-EUR | $11.29 0.0046683 Eth | $228,683.00 20,256.229 LINK | 0.1625% |
58 | EXMO | LINK-USDT | $11.32 0.0046787 Eth | $209,988.00 18,557.396 LINK | 0.1489% |
59 | Pionex | LINK-USDT | $11.31 0.0046763 Eth | $203,100.00 18,058.950 LINK | 0.1449% |
60 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.21 0.0046353 Eth | $202,856.00 18,185.870 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1459% |
61 | PointPay | LINK-USDT | $11.31 0.0046767 Eth | $201,980.00 17,950.227 LINK | 0.1440% |
62 | BitMart | LINK-BTC | $11.31 0.0046767 Eth | $181,110.00 16,014.740 LINK | 0.1285% |
63 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.29 0.0046698 Eth | $173,729.00 15,453.049 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1240% |
64 | BigONE | LINK-USDT | $11.32 0.0046796 Eth | $155,325.00 13,720.920 LINK | 0.1101% |
65 | WhiteBIT | LINK-EUR | $11.31 0.0046776 Eth | $144,872.00 12,812.540 LINK | 0.1028% |
66 | Bithumb | LINK-KRW | $11.36 0.0046981 Eth | $142,549.00 12,548.672 LINK | 0.1007% |
67 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.32 0.0046821 Eth | $139,815.00 12,407.051 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0995% |
68 | LATOKEN | LINK-BTC | $11.32 0.0046780 Eth | $130,348.00 11,515.509 LINK | 0.0924% |
69 | Hotcoin | LINK-ETH | $11.30 0.0046753 Eth | $123,392.00 10,915.110 LINK | 0.0876% |
70 | LATOKEN | LINK-USDT | $11.31 0.0046783 Eth | $113,397.00 10,027.428 LINK | 0.0804% |
71 | BitDelta | LINK-USDT | $11.32 0.0046804 Eth | $112,578.00 10,013.000 LINK | 0.0803% |
72 | Bit2Me | LINK-EUR | $11.27 0.0046602 Eth | $110,354.00 9,800.069 LINK | 0.0786% |
73 | Hotcoin | LINK-BTC | $11.30 0.0046717 Eth | $95,566.00 8,460.250 LINK | 0.0679% |
74 | Coinbase Exchange | LINK-ETH | $11.33 0.0046837 Eth | $91,883.00 8,111.490 LINK | 0.0651% |
75 | Bitbank | LINK-JPY | $11.34 0.0046872 Eth | $91,336.00 8,057.697 LINK | 0.0646% |
76 | Nominex | LINK-USDT | $11.33 0.0046818 Eth | $81,967.00 7,235.313 LINK | 0.0580% |
77 | Slex | LINK-ETH | $11.29 0.0046679 Eth | $73,982.00 6,541.590 LINK | 0.0525% |
78 | Slex | LINK-BTC | $11.32 0.0046781 Eth | $69,082.00 6,150.000 LINK | 0.0493% |
79 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.31 0.0046784 Eth | $39,573.00 39,306.628 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3154% |
80 | Bitget | LINK-EUR | $11.33 0.0046854 Eth | $37,488.00 3,327.010 LINK | 0.0267% |
81 | GMO Japan | LINK-JPY | $11.29 0.0046668 Eth | $35,716.00 3,163.700 LINK | 0.0254% |
82 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.31 0.0046783 Eth | $26,018.00 2,326.865 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0187% |
83 | EXMO | LINK-BTC | $11.32 0.0046824 Eth | $23,882.00 2,108.882 LINK | 0.0169% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.30 0.0046715 Eth | $21,470.00 1,902.376 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0153% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.31 0.0046783 Eth | $19,946.11 1,777.346 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0143% |
86 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.21 0.0046354 Eth | $19,701.42 19,650.656 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.1577% |
87 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.29 0.0046703 Eth | $19,155.54 19,050.072 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1528% |
88 | TokoCrypto | LINK-USDT | $11.31 0.0046773 Eth | $18,755.42 1,658.399 LINK | 0.0133% |
89 | Nonkyc.io | LINK-BTC | $11.34 0.0046898 Eth | $14,407.44 1,282.599 LINK | 0.0103% |
90 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.31 0.0046769 Eth | $8,322.68 739.172 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0059% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $11.28 0.0046642 Eth | $4,160.78 371.197 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0030% |
92 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $11.24 0.0046541 Eth | $3,331.61 284.635 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0023% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $11.24 0.0046493 Eth | $2,187.65 194.614 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0016% |
94 | CoinEx | LINK-USDC | $11.26 0.0046557 Eth | $2,155.26 191.445 LINK | 0.0015% |
95 | CoinEx | LINK-BTC | $11.28 0.0046628 Eth | $2,137.50 190.255 LINK | 0.0015% |
96 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.29 0.0046724 Eth | $1,149.34 102.307 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0008% |
97 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.27 0.0046583 Eth | $1,123.55 100.211 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0008% |
98 | Quickswap | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.32 0.0046791 Eth | $796.91 62.214 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0005% |
99 | CEX.IO | LINK-USDT | $11.32 0.0046811 Eth | $161.06 14.336 LINK | 0.0001% |
100 | Uniswap V3 (Arbitrum One) | 0X912CE59144191C1204E64559FE8253A0E49E6548-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.20 0.0046338 Eth | $154.07 277.472 0X912CE59144191C1204E64559FE8253A0E49E6548 | 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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