ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
722,299 ( 0.003%)
Market
Price
$12.00 @ 0.004543 ETH (+4.43%)
Onchain Market Cap
$12,000,000,000.00
Circulating Supply Market Cap
$7,520,966,392.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0 LINKValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $11.98 0.0045342 Eth | $28,347,988.00 2,436,510.570 LINK | 13.9318% |
2 | WhiteBIT | LINK-USDT | $11.99 0.0045356 Eth | $19,621,906.00 1,636,216.030 LINK | 9.3558% |
3 | Coinbase Exchange | LINK-USD | $11.99 0.0045354 Eth | $16,680,585.00 1,390,860.070 LINK | 7.9528% |
4 | HTX | LINK-USDT | $11.99 0.0045329 Eth | $16,075,086.00 1,384,627.715 LINK | 7.9172% |
5 | Bybit | LINK-USDT | $12.00 0.0045377 Eth | $10,754,439.00 922,164.107 LINK | 5.2729% |
6 | Bitget | LINK-USDT | $11.99 0.0045351 Eth | $9,696,571.00 832,989.139 LINK | 4.7630% |
7 | Gate.io | LINK-USDT | $11.99 0.0045357 Eth | $6,680,083.00 575,111.150 LINK | 3.2884% |
8 | P2B | LINK-USDT | $11.99 0.0045327 Eth | $5,515,516.00 460,145.910 LINK | 2.6311% |
9 | Upbit | LINK-KRW | $12.02 0.0045474 Eth | $5,504,258.00 457,736.391 LINK | 2.6173% |
10 | Azbit | LINK-USDT | $11.99 0.0045361 Eth | $5,296,272.00 455,615.510 LINK | 2.6052% |
11 | OKX | LINK-USDT | $11.99 0.0045334 Eth | $5,042,789.00 432,121.591 LINK | 2.4708% |
12 | Slex | LINK-USDT | $12.00 0.0045367 Eth | $5,003,927.00 429,775.240 LINK | 2.4574% |
13 | BTSE | LINK-USDT | $11.99 0.0045343 Eth | $4,674,544.00 389,901.145 LINK | 2.2294% |
14 | BVOX | LINK-USDT | $11.99 0.0045358 Eth | $4,408,849.00 379,450.250 LINK | 2.1697% |
15 | DigiFinex | LINK-USDT | $11.99 0.0045345 Eth | $3,831,070.00 319,498.800 LINK | 1.8269% |
16 | Biconomy.com | LINK-USDT | $11.99 0.0045336 Eth | $3,482,891.00 299,155.730 LINK | 1.7106% |
17 | CoinW | LINK-USDT | $11.99 0.0045382 Eth | $3,011,752.00 251,131.750 LINK | 1.4360% |
18 | Bitunix | LINK-USDT | $11.99 0.0045366 Eth | $2,890,753.00 240,984.600 LINK | 1.3779% |
19 | ProBit Global | LINK-USDT | $12.01 0.0045402 Eth | $2,859,749.00 238,185.747 LINK | 1.3619% |
20 | XT.COM | LINK-USDT | $12.00 0.0045366 Eth | $2,820,366.00 242,306.470 LINK | 1.3855% |
21 | Hotcoin | LINK-USDT | $11.99 0.0045359 Eth | $2,585,814.00 215,578.390 LINK | 1.2327% |
22 | KuCoin | LINK-USDT | $12.00 0.0045366 Eth | $2,283,266.00 190,331.876 LINK | 1.0883% |
23 | Coinstore | LINK-USDT | $12.00 0.0045398 Eth | $2,073,143.00 178,113.230 LINK | 1.0184% |
24 | LBank | LINK-USDT | $11.99 0.0045328 Eth | $2,008,529.00 167,559.940 LINK | 0.9581% |
25 | Binance | LINK-BTC | $12.00 0.0045389 Eth | $1,973,333.00 168,457.810 LINK | 0.9632% |
26 | Trubit | LINK-USDT | $11.99 0.0045333 Eth | $1,954,654.00 168,623.960 LINK | 0.9642% |
27 | AscendEX (BitMax) | LINK-USDT | $11.96 0.0045242 Eth | $1,776,011.00 148,466.600 LINK | 0.8489% |
28 | Bitvavo | LINK-EUR | $11.97 0.0045252 Eth | $1,702,327.00 142,220.505 LINK | 0.8132% |
29 | Binance | LINK-FDUSD | $12.00 0.0045412 Eth | $1,646,381.00 141,171.820 LINK | 0.8072% |
30 | Kraken | LINK-USD | $11.97 0.0045275 Eth | $1,638,581.00 136,871.192 LINK | 0.7826% |
31 | Bithumb | LINK-KRW | $12.04 0.0045522 Eth | $1,426,647.00 118,498.098 LINK | 0.6776% |
32 | BYDFi | LINK-USDT | $11.99 0.0045393 Eth | $1,398,000.00 116,549.450 LINK | 0.6664% |
33 | WhiteBIT | LINK-BTC | $11.99 0.0045334 Eth | $1,193,260.00 99,510.320 LINK | 0.5690% |
34 | FameEX | LINK-USDT | $11.99 0.0045380 Eth | $1,131,378.00 97,224.685 LINK | 0.5559% |
35 | HashKey Global | LINK-USDT | $12.02 0.0045457 Eth | $1,073,593.00 93,187.819 LINK | 0.5328% |
36 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.95 0.0045185 Eth | $1,031,419.00 89,251.151 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.5103% |
37 | Dex-Trade | LINK-USDT | $12.00 0.0045340 Eth | $977,983.00 81,529.720 LINK | 0.4662% |
38 | Azbit | LINK-ETH | $12.01 0.0045415 Eth | $965,038.00 82,654.951 LINK | 0.4726% |
39 | BigONE | LINK-USDT | $11.98 0.0045332 Eth | $850,944.00 71,011.580 LINK | 0.4060% |
40 | Binance | LINK-USDC | $11.99 0.0045363 Eth | $824,033.00 70,819.810 LINK | 0.4049% |
41 | CoinEx | LINK-USDT | $12.00 0.0045392 Eth | $813,615.00 70,073.877 LINK | 0.4007% |
42 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.96 0.0045243 Eth | $658,516.00 56,345.843 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3222% |
43 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.97 0.0045284 Eth | $593,449.00 50,849.901 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2908% |
44 | LATOKEN | LINK-USDT | $12.01 0.0045423 Eth | $539,574.00 44,941.208 LINK | 0.2570% |
45 | tanX | LINK-USDC | $12.01 0.0045464 Eth | $517,698.00 44,497.860 LINK | 0.2544% |
46 | PointPay | LINK-USDT | $12.00 0.0045431 Eth | $461,146.00 39,623.592 LINK | 0.2266% |
47 | itBit | LINK-USD | $11.99 0.0045340 Eth | $425,923.00 35,523.176 LINK | 0.2031% |
48 | Coinbase Exchange | LINK-USDT | $11.93 0.0045140 Eth | $404,133.00 33,862.174 LINK | 0.1936% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.01 0.0045412 Eth | $399,661.00 34,113.130 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1951% |
50 | LATOKEN | LINK-BTC | $12.02 0.0045464 Eth | $394,602.00 32,837.447 LINK | 0.1878% |
51 | Gemini | LINK-USD | $12.00 0.0045374 Eth | $385,369.00 32,116.763 LINK | 0.1836% |
52 | ProBit Global | LINK-BTC | $11.99 0.0045387 Eth | $364,951.00 30,426.947 LINK | 0.1740% |
53 | KickEX | LINK-USDT | $11.93 0.0045217 Eth | $364,052.00 30,507.355 LINK | 0.1744% |
54 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.97 0.0045247 Eth | $347,146.00 29,875.370 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1708% |
55 | Bybit | LINK-USDC | $11.99 0.0045360 Eth | $344,418.00 29,575.849 LINK | 0.1691% |
56 | Phemex | LINK-USDT | $11.98 0.0045310 Eth | $313,072.00 26,142.420 LINK | 0.1495% |
57 | EXMO | LINK-USDT | $11.99 0.0045343 Eth | $295,417.00 24,634.628 LINK | 0.1409% |
58 | BYDFi | LINK-USDC | $12.00 0.0045395 Eth | $251,112.00 20,925.820 LINK | 0.1197% |
59 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.98 0.0045310 Eth | $239,654.00 20,610.244 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1178% |
60 | Binance | LINK-EUR | $11.97 0.0045253 Eth | $221,515.00 19,129.420 LINK | 0.1094% |
61 | BitMart | LINK-BTC | $12.00 0.0045362 Eth | $207,430.00 17,292.260 LINK | 0.0989% |
62 | Bitbank | LINK-JPY | $12.01 0.0045400 Eth | $175,005.00 14,577.167 LINK | 0.0834% |
63 | OKX | LINK-USDC | $11.99 0.0045333 Eth | $155,407.00 13,332.078 LINK | 0.0762% |
64 | BitDelta | LINK-USDT | $12.00 0.0045376 Eth | $149,514.00 12,885.000 LINK | 0.0737% |
65 | GMO Japan | LINK-JPY | $12.01 0.0045427 Eth | $146,975.00 12,235.800 LINK | 0.0700% |
66 | WhiteBIT | LINK-TRY | $12.01 0.0045422 Eth | $133,124.00 11,081.920 LINK | 0.0634% |
67 | Coinbase Exchange | LINK-BTC | $11.99 0.0045356 Eth | $125,210.00 10,440.160 LINK | 0.0597% |
68 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $12.02 0.0045456 Eth | $115,915.00 9,913.222 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0567% |
69 | Binance | LINK-TRY | $12.02 0.0045442 Eth | $112,370.00 9,512.200 LINK | 0.0544% |
70 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $12.01 0.0045412 Eth | $111,808.00 108,480.666 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.6203% |
71 | Slex | LINK-BTC | $12.00 0.0045390 Eth | $111,437.00 9,506.500 LINK | 0.0544% |
72 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.97 0.0045260 Eth | $92,290.00 7,547.848 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0432% |
73 | Bitkub | LINK-THB | $11.97 0.0045263 Eth | $84,753.00 7,080.708 LINK | 0.0405% |
74 | Bitso | LINK-USD | $11.95 0.0045218 Eth | $82,044.00 6,865.108 LINK | 0.0393% |
75 | PointPay | LINK-BTC | $12.00 0.0045370 Eth | $74,426.00 6,346.164 LINK | 0.0363% |
76 | Slex | LINK-ETH | $12.01 0.0045410 Eth | $65,505.00 5,609.640 LINK | 0.0321% |
77 | Binance | LINK-BNB | $12.00 0.0045385 Eth | $65,036.00 5,641.442 LINK | 0.0323% |
78 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.96 0.0045203 Eth | $63,056.00 5,407.790 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0309% |
79 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.92 0.0045067 Eth | $58,471.00 56,962.527 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3257% |
80 | Kraken | LINK-GBP | $11.97 0.0045277 Eth | $58,371.00 4,875.791 LINK | 0.0279% |
81 | Kanga | LINK-PLN | $11.93 0.0045142 Eth | $56,815.00 0.000 LINK | 0.0000% |
82 | Binance US | LINK-USDT | $12.00 0.0045386 Eth | $53,289.00 4,442.051 LINK | 0.0254% |
83 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $11.89 0.0044949 Eth | $52,461.00 4,522.532 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0259% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $12.01 0.0045412 Eth | $39,179.00 3,364.089 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0192% |
85 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $11.89 0.0044947 Eth | $37,345.00 3,222.223 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0184% |
86 | Binance | LINK-BRL | $11.88 0.0044935 Eth | $36,385.00 3,162.050 LINK | 0.0181% |
87 | Mercado Bitcoin | LINK-BRL | $11.90 0.0044997 Eth | $31,044.00 2,609.175 LINK | 0.0149% |
88 | EXMO | LINK-BTC | $11.98 0.0045308 Eth | $30,604.00 2,554.004 LINK | 0.0146% |
89 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.99 0.0045345 Eth | $29,670.00 2,548.002 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0146% |
90 | Bitcointry | LINK-USDT | $11.99 0.0045340 Eth | $28,552.00 2,472.818 LINK | 0.0141% |
91 | HTX | LINK-BTC | $11.98 0.0045320 Eth | $27,921.00 2,411.283 LINK | 0.0138% |
92 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $11.93 0.0045118 Eth | $25,204.00 2,155.519 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0123% |
93 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.99 0.0045363 Eth | $24,337.00 23,576.782 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1348% |
94 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $11.92 0.0045067 Eth | $24,071.00 2,063.519 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0118% |
95 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.96 0.0045243 Eth | $22,150.00 21,524.481 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.1231% |
96 | KuCoin | LINK-USDC | $12.00 0.0045367 Eth | $22,114.00 1,843.327 LINK | 0.0105% |
97 | Coinone | LINK-KRW | $12.05 0.0045582 Eth | $21,650.00 1,796.144 LINK | 0.0103% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.98 0.0045308 Eth | $19,398.34 1,658.802 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0095% |
99 | Nonkyc.io | LINK-BTC | $12.04 0.0045513 Eth | $17,880.60 1,529.164 LINK | 0.0087% |
100 | PancakeSwap V3 (BSC) | 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $11.96 0.0045227 Eth | $13,136.60 7,055.511 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82 | 0.0403% |
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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