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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
731,879 ( -0.045%)
Market
Price
$24.53 @ 0.007516 ETH (+7.04%)
Onchain Market Cap
$24,530,000,000.00
Circulating Supply Market Cap
$15,655,349,388.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $24.61 0.0075666 Eth | $133,361,720.00 5,635,057.570 LINK | 23.3422% |
2 | Coinbase Exchange | LINK-USD | $24.62 0.0075716 Eth | $68,609,933.00 2,786,756.000 LINK | 11.5436% |
3 | OKX | LINK-USDT | $24.61 0.0075691 Eth | $27,462,801.00 1,180,049.954 LINK | 4.8881% |
4 | P2B | LINK-USDT | $24.60 0.0075659 Eth | $23,810,761.00 967,990.570 LINK | 4.0097% |
5 | DigiFinex | LINK-USDT | $24.65 0.0075768 Eth | $19,050,154.00 772,925.280 LINK | 3.2017% |
6 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.67 0.0075849 Eth | $18,781,608.00 767,590.262 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.1796% |
7 | Gate.io | LINK-USDT | $24.70 0.0075920 Eth | $17,317,413.00 733,817.640 LINK | 3.0397% |
8 | Slex | LINK-USDT | $24.59 0.0075591 Eth | $16,638,897.00 696,595.280 LINK | 2.8855% |
9 | MEXC | LINK-USDT | $24.57 0.0075582 Eth | $15,756,980.00 641,396.900 LINK | 2.6569% |
10 | HTX | LINK-USDT | $24.65 0.0075829 Eth | $15,042,552.00 631,942.405 LINK | 2.6177% |
11 | XT.COM | LINK-USDT | $24.61 0.0075652 Eth | $13,281,651.00 561,013.610 LINK | 2.3239% |
12 | Azbit | LINK-USDT | $24.57 0.0075543 Eth | $12,986,113.00 548,935.600 LINK | 2.2739% |
13 | Bitunix | LINK-USDT | $24.59 0.0075667 Eth | $11,357,921.00 461,757.780 LINK | 1.9127% |
14 | Coinstore | LINK-USDT | $24.69 0.0075903 Eth | $10,933,242.00 461,197.030 LINK | 1.9104% |
15 | KuCoin | LINK-USDT | $24.72 0.0076000 Eth | $10,566,443.00 427,523.317 LINK | 1.7709% |
16 | Binance | LINK-USDC | $24.63 0.0076085 Eth | $10,556,689.00 445,116.270 LINK | 1.8438% |
17 | CoinW | LINK-USDT | $24.60 0.0075666 Eth | $9,317,778.00 378,727.950 LINK | 1.5688% |
18 | Kraken | LINK-USD | $24.61 0.0075706 Eth | $8,956,781.00 363,884.526 LINK | 1.5073% |
19 | BYDFi | LINK-USDT | $24.38 0.0075676 Eth | $7,845,711.00 321,833.730 LINK | 1.3331% |
20 | Coinbase Exchange | LINK-EUR | $24.55 0.0075523 Eth | $7,366,240.00 300,002.760 LINK | 1.2427% |
21 | BTSE | LINK-USDT | $24.59 0.0075667 Eth | $6,830,682.00 277,758.736 LINK | 1.1506% |
22 | LATOKEN | LINK-USDT | $24.58 0.0075621 Eth | $6,618,910.00 269,311.572 LINK | 1.1156% |
23 | Hotcoin | LINK-USDT | $24.60 0.0075629 Eth | $6,233,822.00 253,436.820 LINK | 1.0498% |
24 | QMall | LINK-USDT | $24.59 0.0075648 Eth | $5,464,658.00 230,663.359 LINK | 0.9555% |
25 | Bitvavo | LINK-EUR | $24.59 0.0075667 Eth | $5,396,316.00 219,420.653 LINK | 0.9089% |
26 | Dex-Trade | LINK-USDT | $24.62 0.0075709 Eth | $4,140,428.00 168,187.560 LINK | 0.6967% |
27 | FMCPAY | LINK-USDT | $24.65 0.0075774 Eth | $3,648,961.00 153,558.802 LINK | 0.6361% |
28 | Biconomy.com | LINK-USDT | $24.61 0.0075852 Eth | $3,554,122.00 152,197.240 LINK | 0.6304% |
29 | CoinEx | LINK-USDT | $24.58 0.0075580 Eth | $2,650,787.00 112,476.023 LINK | 0.4659% |
30 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.46 0.0075235 Eth | $2,385,604.00 97,872.236 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4054% |
31 | Coinbase Exchange | LINK-GBP | $24.62 0.0075740 Eth | $2,274,560.00 92,369.760 LINK | 0.3826% |
32 | PointPay | LINK-USDT | $24.60 0.0075636 Eth | $2,185,956.00 92,223.093 LINK | 0.3820% |
33 | Phemex | LINK-USDT | $24.58 0.0075613 Eth | $1,993,718.00 81,122.440 LINK | 0.3360% |
34 | WhiteBIT | LINK-TRY | $24.58 0.0075619 Eth | $1,856,238.00 75,528.220 LINK | 0.3129% |
35 | FMCPAY | LINK-ETH | $24.61 0.0075657 Eth | $1,781,319.00 72,524.320 LINK | 0.3004% |
36 | FMCPAY | LINK-BTC | $24.62 0.0075721 Eth | $1,460,851.00 60,733.900 LINK | 0.2516% |
37 | Kraken | LINK-EUR | $24.58 0.0075601 Eth | $1,450,520.00 59,011.960 LINK | 0.2444% |
38 | EarnBIT | LINK-USDT | $24.55 0.0075526 Eth | $1,329,318.00 57,197.344 LINK | 0.2369% |
39 | Tokpie | LINK-USDT | $24.37 0.0075152 Eth | $1,294,326.00 53,119.478 LINK | 0.2200% |
40 | Binance | LINK-ETH | $24.57 0.0075607 Eth | $1,275,637.00 52,179.790 LINK | 0.2161% |
41 | EXMO | LINK-USDT | $24.66 0.0075837 Eth | $1,263,196.00 51,219.141 LINK | 0.2122% |
42 | OKX | LINK-USDC | $24.68 0.0075895 Eth | $1,247,975.00 53,352.177 LINK | 0.2210% |
43 | Bitbank | LINK-JPY | $24.67 0.0075887 Eth | $1,232,953.00 49,986.016 LINK | 0.2071% |
44 | Binance | LINK-TRY | $24.58 0.0075635 Eth | $1,188,955.00 50,343.130 LINK | 0.2085% |
45 | tanX | LINK-USDC | $24.72 0.0076036 Eth | $1,139,222.00 47,744.930 LINK | 0.1978% |
46 | WhiteBIT | LINK-BTC | $24.56 0.0075577 Eth | $1,068,321.00 43,493.110 LINK | 0.1802% |
47 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.56 0.0075539 Eth | $1,049,636.00 43,541.777 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1804% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.50 0.0075344 Eth | $1,043,678.00 42,909.125 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1777% |
49 | BigONE | LINK-USDT | $24.59 0.0075646 Eth | $1,001,738.00 40,743.120 LINK | 0.1688% |
50 | BitStorage | LINK-USDT | $24.63 0.0075725 Eth | $987,770.00 40,104.530 LINK | 0.1661% |
51 | WhiteBIT | LINK-EUR | $24.74 0.0076057 Eth | $963,032.00 38,924.890 LINK | 0.1612% |
52 | Gemini | LINK-USD | $24.79 0.0076198 Eth | $939,999.00 37,923.423 LINK | 0.1571% |
53 | Binance | LINK-EUR | $24.56 0.0075515 Eth | $917,728.00 38,991.040 LINK | 0.1615% |
54 | Kraken | LINK-USDT | $24.70 0.0075972 Eth | $900,512.00 36,456.855 LINK | 0.1510% |
55 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.63 0.0075725 Eth | $888,215.00 71,777.409 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2973% |
56 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.53 0.0075443 Eth | $860,558.00 36,711.181 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1521% |
57 | Trubit | LINK-USDT | $24.59 0.0075607 Eth | $860,520.00 36,287.060 LINK | 0.1503% |
58 | Coinbase Exchange | LINK-USDT | $24.57 0.0075534 Eth | $853,461.00 34,736.055 LINK | 0.1439% |
59 | QMall | LINK-USDC | $24.59 0.0075659 Eth | $807,121.00 34,022.798 LINK | 0.1409% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.57 0.0075583 Eth | $788,608.00 32,437.891 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1344% |
61 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.58 0.0075612 Eth | $769,115.00 738,340.649 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.0584% |
62 | Bybit | LINK-USDC | $24.67 0.0075832 Eth | $751,978.00 32,046.325 LINK | 0.1327% |
63 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.72 0.0076001 Eth | $675,961.00 27,386.654 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1134% |
64 | Nonkyc.io | LINK-USDT | $24.50 0.0075352 Eth | $603,318.00 25,521.047 LINK | 0.1057% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.54 0.0075493 Eth | $582,528.00 23,772.366 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0985% |
66 | itBit | LINK-USD | $24.28 0.0075445 Eth | $558,914.00 23,019.514 LINK | 0.0954% |
67 | LATOKEN | LINK-BTC | $24.58 0.0075554 Eth | $544,422.00 22,152.244 LINK | 0.0918% |
68 | ProBit Global | LINK-BTC | $24.62 0.0075721 Eth | $515,284.00 20,925.458 LINK | 0.0867% |
69 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.50 0.0075344 Eth | $502,664.00 21,351.099 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0884% |
70 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.47 0.0075231 Eth | $485,342.00 19,943.803 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0826% |
71 | Coinbase Exchange | LINK-ETH | $24.56 0.0075534 Eth | $472,216.00 19,227.950 LINK | 0.0796% |
72 | Kraken | LINK-XBT | $24.58 0.0075595 Eth | $453,199.00 18,439.048 LINK | 0.0764% |
73 | Coinbase Exchange | LINK-BTC | $24.57 0.0075596 Eth | $443,776.00 18,061.480 LINK | 0.0748% |
74 | ProBit Global | LINK-USDT | $24.31 0.0075548 Eth | $370,054.00 15,220.393 LINK | 0.0630% |
75 | GMO Japan | LINK-JPY | $24.37 0.0074960 Eth | $312,482.00 12,820.200 LINK | 0.0531% |
76 | Slex | LINK-ETH | $24.62 0.0075697 Eth | $302,320.00 12,281.340 LINK | 0.0509% |
77 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.67 0.0075849 Eth | $299,262.00 12,662.806 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0525% |
78 | BitMart | LINK-BTC | $24.62 0.0075721 Eth | $291,153.00 11,826.320 LINK | 0.0490% |
79 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.46 0.0075246 Eth | $271,679.00 11,078.206 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0459% |
80 | bitcastle | LINK-USDT | $24.59 0.0075636 Eth | $262,614.00 11,076.980 LINK | 0.0459% |
81 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.61 0.0075736 Eth | $258,031.00 10,830.843 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0449% |
82 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.55 0.0075500 Eth | $257,757.00 10,780.711 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0447% |
83 | Hotcoin | LINK-BTC | $24.62 0.0075684 Eth | $249,533.00 10,136.010 LINK | 0.0420% |
84 | Bitso | LINK-USD | $24.56 0.0075524 Eth | $244,753.00 9,963.728 LINK | 0.0413% |
85 | BitStorage | LINK-ETH | $24.54 0.0075497 Eth | $227,973.00 9,291.010 LINK | 0.0385% |
86 | KuCoin | LINK-USDC | $24.70 0.0075949 Eth | $213,659.00 8,650.485 LINK | 0.0358% |
87 | PointPay | LINK-BTC | $24.32 0.0075564 Eth | $202,722.00 8,487.175 LINK | 0.0352% |
88 | BYDFi | LINK-USDC | $24.58 0.0075762 Eth | $198,558.00 8,079.500 LINK | 0.0335% |
89 | Mercado Bitcoin | LINK-BRL | $24.61 0.0075704 Eth | $195,952.00 7,961.293 LINK | 0.0330% |
90 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.46 0.0075235 Eth | $191,486.00 183,025.652 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.7581% |
91 | Bitkub | LINK-THB | $24.57 0.0075557 Eth | $169,599.00 6,901.665 LINK | 0.0286% |
92 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.55 0.0075472 Eth | $166,999.00 159,965.826 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.6626% |
93 | Kraken | LINK-USDC | $24.55 0.0075497 Eth | $145,871.00 5,941.317 LINK | 0.0246% |
94 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.56 0.0075545 Eth | $117,159.00 4,885.063 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0202% |
95 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $24.82 0.0076317 Eth | $116,595.00 4,741.988 0X5947BB275C521040051D82396192181B413227A3 | 0.0196% |
96 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.59 0.0075580 Eth | $105,608.00 4,391.680 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0182% |
97 | Binance US | LINK-USDT | $24.61 0.0075662 Eth | $97,558.00 3,964.873 LINK | 0.0164% |
98 | BitMart | LINK-ETH | $24.59 0.0075640 Eth | $97,274.00 3,955.300 LINK | 0.0164% |
99 | KuCoin | LINK-BTC | $24.66 0.0075837 Eth | $93,145.00 3,776.784 LINK | 0.0156% |
100 | Dex-Trade | LINK-ETH | $24.58 0.0075600 Eth | $36,851.00 1,499.100 LINK | 0.0062% |
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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