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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
726,963 ( 0.073%)
Market
Price
$25.75 @ 0.006980 ETH (-8.30%)
Onchain Market Cap
$25,750,000,000.00
Circulating Supply Market Cap
$16,096,758,750.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
200.00761109 LINKValue
$5,150.20 ( ~1.3960 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $25.62 0.0069508 Eth | $88,994,141.00 3,473,619.860 LINK | 10.4398% |
2 | Bitget | LINK-USDT | $25.59 0.0069377 Eth | $77,980,201.00 2,890,154.780 LINK | 8.6862% |
3 | Bybit | LINK-USDT | $25.64 0.0069511 Eth | $64,863,352.00 2,397,369.430 LINK | 7.2052% |
4 | MEXC | LINK-USDT | $25.59 0.0069377 Eth | $60,786,100.00 2,375,205.000 LINK | 7.1385% |
5 | Gate.io | LINK-USDT | $25.57 0.0069331 Eth | $44,889,235.00 1,662,811.200 LINK | 4.9975% |
6 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.74 0.0069739 Eth | $42,996,666.00 1,652,550.319 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 4.9666% |
7 | XT.COM | LINK-USDT | $25.75 0.0069812 Eth | $33,198,995.00 1,230,801.250 LINK | 3.6991% |
8 | Deepcoin | LINK-USDT | $25.58 0.0069415 Eth | $31,364,916.00 1,140,595.383 LINK | 3.4280% |
9 | Binance | LINK-FDUSD | $25.77 0.0069678 Eth | $28,146,247.00 1,036,191.090 LINK | 3.1142% |
10 | Slex | LINK-USDT | $25.75 0.0069779 Eth | $28,108,498.00 1,028,038.930 LINK | 3.0897% |
11 | Coinstore | LINK-USDT | $25.75 0.0069449 Eth | $22,055,234.00 814,726.420 LINK | 2.4486% |
12 | Bitunix | LINK-USDT | $25.80 0.0069748 Eth | $21,098,057.00 817,988.620 LINK | 2.4584% |
13 | HTX | LINK-USDT | $25.60 0.0069446 Eth | $20,104,245.00 739,263.725 LINK | 2.2218% |
14 | BTSE | LINK-USDT | $25.76 0.0069663 Eth | $19,717,290.00 765,352.739 LINK | 2.3002% |
15 | Binance | LINK-BTC | $25.65 0.0069595 Eth | $17,822,720.00 677,413.590 LINK | 2.0359% |
16 | BYDFi | LINK-USDT | $25.80 0.0069774 Eth | $15,426,433.00 597,849.540 LINK | 1.7968% |
17 | KuCoin | LINK-USDT | $25.58 0.0069388 Eth | $13,938,664.00 544,993.576 LINK | 1.6379% |
18 | Azbit | LINK-USDT | $25.52 0.0069106 Eth | $13,080,822.00 478,425.650 LINK | 1.4379% |
19 | Kraken | LINK-USD | $25.60 0.0069460 Eth | $12,025,806.00 469,716.016 LINK | 1.4117% |
20 | QMall | LINK-USDT | $25.57 0.0069252 Eth | $11,523,846.00 426,979.128 LINK | 1.2833% |
21 | LATOKEN | LINK-USDT | $25.59 0.0069377 Eth | $10,050,355.00 392,724.109 LINK | 1.1803% |
22 | Hotcoin | LINK-USDT | $25.64 0.0069410 Eth | $9,975,704.00 389,102.690 LINK | 1.1694% |
23 | Biconomy.com | LINK-USDT | $25.59 0.0069317 Eth | $9,870,412.00 363,660.400 LINK | 1.0930% |
24 | Coinbase Exchange | LINK-EUR | $25.64 0.0069497 Eth | $8,050,427.00 314,026.230 LINK | 0.9438% |
25 | Dex-Trade | LINK-USDT | $25.67 0.0069527 Eth | $7,785,394.00 303,281.715 LINK | 0.9115% |
26 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.80 0.0069938 Eth | $7,280,825.00 278,964.021 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.8384% |
27 | LBank | LINK-USDT | $25.57 0.0069383 Eth | $5,983,285.00 233,962.090 LINK | 0.7032% |
28 | WhiteBIT | LINK-TRY | $25.71 0.0069700 Eth | $5,587,858.00 217,335.670 LINK | 0.6532% |
29 | Coinbase Exchange | LINK-GBP | $25.63 0.0069493 Eth | $5,417,080.00 211,319.850 LINK | 0.6351% |
30 | Bitvavo | LINK-EUR | $25.80 0.0069764 Eth | $5,079,504.00 196,872.481 LINK | 0.5917% |
31 | Coinbase Exchange | LINK-ETH | $25.71 0.0069673 Eth | $5,031,476.00 195,687.300 LINK | 0.5881% |
32 | PointPay | LINK-USDT | $25.70 0.0069497 Eth | $4,645,059.00 172,259.913 LINK | 0.5177% |
33 | FMCPAY | LINK-USDT | $25.62 0.0069458 Eth | $4,598,293.00 168,928.813 LINK | 0.5077% |
34 | EXMO | LINK-USDT | $25.62 0.0069442 Eth | $4,024,647.00 157,118.095 LINK | 0.4722% |
35 | Dcoin | LINK-USDT | $25.63 0.0069486 Eth | $3,749,769.00 146,293.000 LINK | 0.4397% |
36 | Coinbase Exchange | LINK-USDT | $25.84 0.0069882 Eth | $3,668,762.00 141,962.486 LINK | 0.4267% |
37 | WhiteBIT | LINK-BTC | $25.65 0.0069500 Eth | $3,482,763.00 135,789.930 LINK | 0.4081% |
38 | CoinEx | LINK-USDT | $25.62 0.0069461 Eth | $3,390,886.00 125,250.684 LINK | 0.3764% |
39 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.82 0.0069976 Eth | $2,867,307.00 109,564.233 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3293% |
40 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.78 0.0069898 Eth | $2,785,836.00 107,069.270 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3218% |
41 | Phemex | LINK-USDT | $25.69 0.0069459 Eth | $2,727,986.00 106,189.590 LINK | 0.3191% |
42 | Binance | LINK-ETH | $25.66 0.0069405 Eth | $2,707,927.00 102,759.630 LINK | 0.3088% |
43 | Kraken | LINK-EUR | $25.61 0.0069487 Eth | $2,476,608.00 96,695.977 LINK | 0.2906% |
44 | ProBit Global | LINK-USDT | $25.66 0.0069421 Eth | $2,433,437.00 94,822.801 LINK | 0.2850% |
45 | Azbit | LINK-ETH | $25.59 0.0069305 Eth | $2,187,817.00 83,377.415 LINK | 0.2506% |
46 | BigONE | LINK-USDT | $25.80 0.0069588 Eth | $2,062,693.00 79,943.320 LINK | 0.2403% |
47 | BitStorage | LINK-USDT | $25.59 0.0069437 Eth | $1,937,420.00 75,699.070 LINK | 0.2275% |
48 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.84 0.0070112 Eth | $1,936,503.00 72,225.309 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.2171% |
49 | EarnBIT | LINK-USDT | $25.74 0.0069661 Eth | $1,922,013.00 71,275.418 LINK | 0.2142% |
50 | FMCPAY | LINK-ETH | $25.79 0.0069800 Eth | $1,911,225.00 72,869.840 LINK | 0.2190% |
51 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $25.74 0.0069755 Eth | $1,901,574.00 125,357.582 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3768% |
52 | Kraken | LINK-USDT | $25.61 0.0069482 Eth | $1,897,729.00 74,100.575 LINK | 0.2227% |
53 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.80 0.0069930 Eth | $1,801,302.00 68,357.059 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2054% |
54 | FMCPAY | LINK-BTC | $25.80 0.0069769 Eth | $1,708,665.00 64,406.950 LINK | 0.1936% |
55 | Binance | LINK-TRY | $26.00 0.0070103 Eth | $1,707,426.00 63,025.970 LINK | 0.1894% |
56 | AscendEX (BitMax) | LINK-USDT | $25.65 0.0069523 Eth | $1,674,989.00 65,313.300 LINK | 0.1963% |
57 | OKX | LINK-USDC | $25.56 0.0069347 Eth | $1,638,461.00 60,150.045 LINK | 0.1808% |
58 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.77 0.0069841 Eth | $1,606,852.00 61,765.533 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1856% |
59 | Binance | LINK-EUR | $25.81 0.0069726 Eth | $1,569,644.00 58,437.510 LINK | 0.1756% |
60 | Bitbank | LINK-JPY | $25.93 0.0070286 Eth | $1,545,188.00 59,597.005 LINK | 0.1791% |
61 | Gemini | LINK-USD | $25.62 0.0069460 Eth | $1,499,051.00 58,506.417 LINK | 0.1758% |
62 | WhiteBIT | LINK-EUR | $25.53 0.0069068 Eth | $1,477,557.00 57,869.100 LINK | 0.1739% |
63 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $25.76 0.0069841 Eth | $1,424,200.00 52,621.869 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1582% |
64 | Koinpark | LINK-USDT | $25.57 0.0069383 Eth | $1,387,877.00 54,269.610 LINK | 0.1631% |
65 | Bybit | LINK-USDC | $25.79 0.0069914 Eth | $1,350,168.00 49,615.691 LINK | 0.1491% |
66 | ProBit Global | LINK-BTC | $25.58 0.0069260 Eth | $970,039.00 37,928.623 LINK | 0.1140% |
67 | Slex | LINK-BTC | $25.76 0.0069802 Eth | $915,512.00 34,673.000 LINK | 0.1042% |
68 | Trubit | LINK-USDT | $25.66 0.0069383 Eth | $882,129.00 32,348.250 LINK | 0.0972% |
69 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.70 0.0069660 Eth | $871,182.00 918,175.243 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7595% |
70 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.65 0.0069350 Eth | $842,833.00 31,271.686 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0940% |
71 | HashKey Exchange | LINK-USD | $25.77 0.0069680 Eth | $810,201.00 29,882.326 LINK | 0.0898% |
72 | itBit | LINK-USD | $25.75 0.0069814 Eth | $789,455.00 30,658.452 LINK | 0.0921% |
73 | Coinbase Exchange | LINK-BTC | $25.80 0.0069745 Eth | $699,429.00 27,113.300 LINK | 0.0815% |
74 | PointPay | LINK-BTC | $25.61 0.0069336 Eth | $678,776.00 25,765.926 LINK | 0.0774% |
75 | BitMart | LINK-BTC | $25.67 0.0069580 Eth | $676,985.00 26,376.180 LINK | 0.0793% |
76 | LATOKEN | LINK-BTC | $25.78 0.0069651 Eth | $674,655.00 26,166.189 LINK | 0.0786% |
77 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $25.76 0.0069840 Eth | $606,195.00 23,437.456 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0704% |
78 | GMO Japan | LINK-JPY | $25.83 0.0070024 Eth | $603,393.00 23,360.000 LINK | 0.0702% |
79 | BitDelta | LINK-USDT | $25.73 0.0069584 Eth | $572,038.00 21,112.000 LINK | 0.0635% |
80 | Foxbit | LINK-BRL | $25.66 0.0069626 Eth | $544,737.00 20,746.270 LINK | 0.0624% |
81 | Bitkub | LINK-THB | $25.96 0.0070446 Eth | $489,525.00 18,854.114 LINK | 0.0567% |
82 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.72 0.0069722 Eth | $469,551.00 17,886.476 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0538% |
83 | Slex | LINK-ETH | $25.65 0.0069533 Eth | $459,006.00 17,511.210 LINK | 0.0526% |
84 | Hotcoin | LINK-BTC | $25.56 0.0069230 Eth | $433,021.00 16,940.180 LINK | 0.0509% |
85 | Kraken | LINK-GBP | $25.64 0.0069570 Eth | $410,048.00 15,990.711 LINK | 0.0481% |
86 | BitMart | LINK-ETH | $25.67 0.0069591 Eth | $399,077.00 15,546.140 LINK | 0.0467% |
87 | Bitso | LINK-USD | $25.67 0.0069442 Eth | $395,008.00 15,388.002 LINK | 0.0462% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $25.70 0.0069660 Eth | $326,874.00 12,135.918 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0365% |
89 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.64 0.0069485 Eth | $321,355.00 11,960.684 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0359% |
90 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.76 0.0069841 Eth | $316,650.00 330,496.123 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.9933% |
91 | Binance US | LINK-USDT | $25.72 0.0069515 Eth | $306,410.00 11,914.821 LINK | 0.0358% |
92 | Uniswap V3 (Ethereum) | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $25.74 0.0069755 Eth | $293,824.00 848.925 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 0.0026% |
93 | KuCoin | LINK-USDC | $25.58 0.0069408 Eth | $293,355.00 11,466.749 LINK | 0.0345% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.70 0.0069660 Eth | $288,375.00 11,073.634 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0333% |
95 | Uniswap V2 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.76 0.0069878 Eth | $247,788.00 9,455.796 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0284% |
96 | BitStorage | LINK-ETH | $25.70 0.0069664 Eth | $240,782.00 9,369.850 LINK | 0.0282% |
97 | KuCoin | LINK-BTC | $25.59 0.0069426 Eth | $214,277.00 8,373.590 LINK | 0.0252% |
98 | Binance | LINK-BRL | $25.66 0.0069363 Eth | $186,709.00 7,006.150 LINK | 0.0211% |
99 | BitStorage | LINK-BTC | $25.67 0.0069378 Eth | $182,877.00 7,125.200 LINK | 0.0214% |
100 | OKX | LINK-EUR | $25.61 0.0069489 Eth | $111,123.00 4,163.748 LINK | 0.0125% |
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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