ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,432 ( 0.025%)
Market
Price
$24.88 @ 0.007503 ETH (+0.55%)
Onchain Market Cap
$24,880,000,000.00
Circulating Supply Market Cap
$15,876,836,982.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $24.70 0.0074353 Eth | $137,383,833.00 5,436,346.670 LINK | 23.1629% |
2 | Coinbase Exchange | LINK-USD | $24.73 0.0074508 Eth | $55,216,859.00 2,233,240.000 LINK | 9.5153% |
3 | Bybit | LINK-USDT | $24.74 0.0074544 Eth | $46,410,642.00 1,840,162.003 LINK | 7.8405% |
4 | P2B | LINK-USDT | $24.71 0.0074319 Eth | $27,697,334.00 1,120,719.680 LINK | 4.7751% |
5 | OKX | LINK-USDT | $24.72 0.0074482 Eth | $21,580,234.00 851,393.312 LINK | 3.6276% |
6 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.93 0.0075059 Eth | $18,261,478.00 719,835.271 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.0670% |
7 | Gate.io | LINK-USDT | $24.75 0.0074560 Eth | $18,176,255.00 720,141.460 LINK | 3.0683% |
8 | DigiFinex | LINK-USDT | $24.70 0.0074347 Eth | $17,315,941.00 701,128.240 LINK | 2.9873% |
9 | MEXC | LINK-USDT | $24.66 0.0074306 Eth | $13,966,898.00 566,428.440 LINK | 2.4134% |
10 | XT.COM | LINK-USDT | $24.70 0.0074358 Eth | $13,683,403.00 541,812.650 LINK | 2.3085% |
11 | Azbit | LINK-USDT | $24.72 0.0074345 Eth | $13,413,613.00 530,959.864 LINK | 2.2623% |
12 | HTX | LINK-USDT | $24.68 0.0074295 Eth | $12,116,500.00 484,482.070 LINK | 2.0643% |
13 | Coinstore | LINK-USDT | $24.69 0.0074399 Eth | $11,685,352.00 463,616.190 LINK | 1.9753% |
14 | Bitunix | LINK-USDT | $24.71 0.0074374 Eth | $10,412,336.00 421,540.180 LINK | 1.7961% |
15 | Binance | LINK-USDC | $24.69 0.0074323 Eth | $9,724,343.00 384,694.090 LINK | 1.6391% |
16 | Binance | LINK-FDUSD | $24.67 0.0074252 Eth | $8,578,716.00 340,751.340 LINK | 1.4519% |
17 | CoinW | LINK-USDT | $24.92 0.0074764 Eth | $8,392,972.00 336,850.650 LINK | 1.4352% |
18 | KuCoin | LINK-USDT | $24.72 0.0074483 Eth | $8,263,590.00 334,282.075 LINK | 1.4243% |
19 | BYDFi | LINK-USDT | $24.71 0.0074385 Eth | $7,347,845.00 297,366.500 LINK | 1.2670% |
20 | LATOKEN | LINK-USDT | $24.68 0.0074282 Eth | $6,743,906.00 273,301.973 LINK | 1.1645% |
21 | LBank | LINK-USDT | $24.69 0.0074327 Eth | $6,571,686.00 266,157.800 LINK | 1.1340% |
22 | Kraken | LINK-USD | $24.70 0.0074446 Eth | $6,240,012.00 252,598.126 LINK | 1.0763% |
23 | BTSE | LINK-USDT | $24.70 0.0074356 Eth | $5,841,695.00 236,509.426 LINK | 1.0077% |
24 | QMall | LINK-USDT | $24.71 0.0074315 Eth | $5,444,117.00 215,278.600 LINK | 0.9172% |
25 | Hotcoin | LINK-USDT | $24.69 0.0074355 Eth | $5,425,476.00 219,742.906 LINK | 0.9363% |
26 | Bitvavo | LINK-EUR | $24.70 0.0074360 Eth | $5,397,807.00 218,522.992 LINK | 0.9311% |
27 | Dex-Trade | LINK-USDT | $24.68 0.0074366 Eth | $4,171,615.00 169,043.070 LINK | 0.7202% |
28 | FMCPAY | LINK-USDT | $24.70 0.0074355 Eth | $4,080,429.00 162,585.066 LINK | 0.6927% |
29 | Coinbase Exchange | LINK-EUR | $24.72 0.0074405 Eth | $3,880,044.00 156,985.890 LINK | 0.6689% |
30 | CoinEx | LINK-USDT | $24.68 0.0074308 Eth | $3,234,483.00 127,884.415 LINK | 0.5449% |
31 | Biconomy.com | LINK-USDT | $24.71 0.0074442 Eth | $2,620,106.00 104,128.850 LINK | 0.4437% |
32 | Bitstamp | LINK-USD | $24.70 0.0074355 Eth | $2,487,626.00 100,713.613 LINK | 0.4291% |
33 | PointPay | LINK-USDT | $24.66 0.0074237 Eth | $2,191,464.00 86,680.121 LINK | 0.3693% |
34 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.66 0.0074228 Eth | $2,067,953.00 82,193.036 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3502% |
35 | FMCPAY | LINK-ETH | $24.76 0.0074471 Eth | $1,812,877.00 71,663.520 LINK | 0.3053% |
36 | FMCPAY | LINK-BTC | $24.91 0.0074697 Eth | $1,631,264.00 66,523.100 LINK | 0.2834% |
37 | Coinbase Exchange | LINK-GBP | $24.67 0.0074278 Eth | $1,614,176.00 65,420.700 LINK | 0.2787% |
38 | Phemex | LINK-USDT | $24.72 0.0074301 Eth | $1,477,677.00 59,769.630 LINK | 0.2547% |
39 | EXMO | LINK-USDT | $24.79 0.0074679 Eth | $1,399,952.00 56,482.748 LINK | 0.2407% |
40 | Binance | LINK-TRY | $24.73 0.0074533 Eth | $1,393,932.00 55,227.480 LINK | 0.2353% |
41 | tanX | LINK-USDC | $24.80 0.0074567 Eth | $1,263,509.00 50,355.470 LINK | 0.2146% |
42 | Bybit | LINK-USDC | $24.64 0.0074269 Eth | $1,195,493.00 47,182.377 LINK | 0.2010% |
43 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.74 0.0074488 Eth | $1,076,038.00 42,661.865 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1818% |
44 | BitStorage | LINK-USDT | $24.67 0.0074342 Eth | $1,070,686.00 43,408.760 LINK | 0.1850% |
45 | Kraken | LINK-USDT | $24.66 0.0074329 Eth | $1,012,436.00 41,048.436 LINK | 0.1749% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.73 0.0074440 Eth | $991,984.00 39,157.696 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1668% |
47 | EarnBIT | LINK-USDT | $24.65 0.0074281 Eth | $990,980.00 39,134.233 LINK | 0.1667% |
48 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.71 0.0074382 Eth | $886,434.00 74,096.198 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3157% |
49 | Trubit | LINK-USDT | $24.66 0.0074305 Eth | $880,222.00 35,230.980 LINK | 0.1501% |
50 | Bitbank | LINK-JPY | $24.70 0.0074443 Eth | $863,059.00 34,943.452 LINK | 0.1489% |
51 | Binance | LINK-EUR | $24.71 0.0074298 Eth | $853,266.00 33,759.130 LINK | 0.1438% |
52 | Coinbase Exchange | LINK-USDT | $24.68 0.0074297 Eth | $820,827.00 33,257.543 LINK | 0.1417% |
53 | BigONE | LINK-USDT | $24.83 0.0074632 Eth | $804,785.00 32,406.830 LINK | 0.1381% |
54 | QMall | LINK-USDC | $24.73 0.0074380 Eth | $774,265.00 30,595.010 LINK | 0.1304% |
55 | itBit | LINK-USD | $24.69 0.0074327 Eth | $757,582.00 30,683.756 LINK | 0.1307% |
56 | OKX | LINK-USDC | $24.68 0.0074367 Eth | $739,137.00 29,270.858 LINK | 0.1247% |
57 | Gemini | LINK-USD | $24.64 0.0074169 Eth | $733,190.00 29,758.413 LINK | 0.1268% |
58 | WhiteBIT | LINK-TRY | $24.72 0.0074501 Eth | $726,819.00 29,400.470 LINK | 0.1253% |
59 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.77 0.0074651 Eth | $724,867.00 28,494.878 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1214% |
60 | HashKey Exchange | LINK-USD | $24.91 0.0075043 Eth | $672,373.00 26,806.450 LINK | 0.1142% |
61 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.63 0.0074132 Eth | $634,589.00 25,305.043 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1078% |
62 | LATOKEN | LINK-BTC | $24.67 0.0074260 Eth | $609,341.00 24,701.369 LINK | 0.1052% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.81 0.0074672 Eth | $600,923.00 24,200.073 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1031% |
64 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.81 0.0074699 Eth | $558,389.00 567,814.246 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.4193% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.73 0.0074440 Eth | $553,510.00 22,038.518 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0939% |
66 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.76 0.0074525 Eth | $488,263.00 19,282.310 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0822% |
67 | BitDelta | LINK-USDT | $24.72 0.0074301 Eth | $459,467.00 18,220.000 LINK | 0.0776% |
68 | GMO Japan | LINK-JPY | $24.81 0.0074606 Eth | $397,548.00 16,022.000 LINK | 0.0683% |
69 | Coinbase Exchange | LINK-BTC | $24.70 0.0074440 Eth | $393,588.00 15,933.200 LINK | 0.0679% |
70 | WhiteBIT | LINK-BTC | $24.62 0.0074200 Eth | $355,107.00 14,421.860 LINK | 0.0614% |
71 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.74 0.0074362 Eth | $327,588.00 13,009.558 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0554% |
72 | Coinbase Exchange | LINK-ETH | $24.76 0.0074463 Eth | $306,627.00 12,383.150 LINK | 0.0528% |
73 | Kraken | LINK-GBP | $24.68 0.0074380 Eth | $300,784.00 12,186.759 LINK | 0.0519% |
74 | BitMart | LINK-BTC | $24.71 0.0074398 Eth | $278,263.00 11,259.260 LINK | 0.0480% |
75 | Slex | LINK-ETH | $24.69 0.0074358 Eth | $254,433.00 10,094.920 LINK | 0.0430% |
76 | Bitci TR | LINK-TRY | $24.88 0.0074797 Eth | $253,071.00 10,132.320 LINK | 0.0432% |
77 | BitStorage | LINK-ETH | $24.71 0.0074455 Eth | $249,276.00 10,087.590 LINK | 0.0430% |
78 | PointPay | LINK-BTC | $24.68 0.0074305 Eth | $238,037.00 9,604.582 LINK | 0.0409% |
79 | WhiteBIT | LINK-EUR | $24.95 0.0074885 Eth | $232,227.00 9,307.190 LINK | 0.0397% |
80 | Bitkub | LINK-THB | $24.87 0.0074776 Eth | $214,990.00 8,644.890 LINK | 0.0368% |
81 | Binance US | LINK-USDT | $24.69 0.0074402 Eth | $193,591.00 7,842.388 LINK | 0.0334% |
82 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.69 0.0074334 Eth | $192,935.00 7,710.216 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0329% |
83 | Hotcoin | LINK-BTC | $24.67 0.0074336 Eth | $191,069.00 7,745.710 LINK | 0.0330% |
84 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.79 0.0074692 Eth | $161,317.00 6,381.609 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0272% |
85 | BYDFi | LINK-USDC | $24.78 0.0074506 Eth | $158,344.00 6,388.720 LINK | 0.0272% |
86 | Bitso | LINK-USD | $24.75 0.0074565 Eth | $148,703.00 6,008.737 LINK | 0.0256% |
87 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.88 0.0074912 Eth | $146,223.00 5,736.220 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0244% |
88 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.66 0.0074228 Eth | $132,425.00 134,484.741 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5730% |
89 | Mercado Bitcoin | LINK-BRL | $24.77 0.0074569 Eth | $129,850.00 5,242.027 LINK | 0.0223% |
90 | CoinTR | LINK-TRY | $24.72 0.0074456 Eth | $126,615.00 5,070.640 LINK | 0.0216% |
91 | Uniswap V3 (Ethereum) | 0XA95C5EBB86E0DE73B4FB8C47A45B792CFEA28C23-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.72 0.0074341 Eth | $117,170.00 166,623.354 0XA95C5EBB86E0DE73B4FB8C47A45B792CFEA28C23 | 0.7099% |
92 | KuCoin | LINK-USDC | $24.64 0.0074231 Eth | $110,505.00 4,485.329 LINK | 0.0191% |
93 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.67 0.0074273 Eth | $107,066.00 4,353.486 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0185% |
94 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.66 0.0074238 Eth | $105,398.00 107,265.246 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4570% |
95 | BitMart | LINK-ETH | $24.70 0.0074351 Eth | $82,212.00 3,328.620 LINK | 0.0142% |
96 | BTCMarkets | LINK-AUD | $24.75 0.0074517 Eth | $64,966.00 2,624.551 LINK | 0.0112% |
97 | Hotcoin | LINK-ETH | $24.71 0.0074461 Eth | $60,358.00 2,442.710 LINK | 0.0104% |
98 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.94 0.0075070 Eth | $60,324.00 5,025.949 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0214% |
99 | Dex-Trade | LINK-ETH | $25.15 0.0075590 Eth | $32,063.00 1,274.800 LINK | 0.0054% |
100 | HashKey Global | LINK-USDT | $24.74 0.0074409 Eth | $14,925.23 597.254 LINK | 0.0025% |
Contract Source Code Verified (Exact Match)
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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