ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,238 ( -0.008%)
Market
Price
$23.68 @ 0.006509 ETH (+4.19%)
Onchain Market Cap
$23,680,000,000.00
Circulating Supply Market Cap
$14,956,860,239.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
304.58749544 LINKValue
$7,212.63 ( ~1.9824 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $23.65 0.0065033 Eth | $36,995,785.00 1,564,039.260 LINK | 9.2714% |
2 | Upbit | LINK-KRW | $23.88 0.0065672 Eth | $32,267,235.00 1,351,180.089 LINK | 8.0096% |
3 | Bitget | LINK-USDT | $23.69 0.0065157 Eth | $26,149,878.00 1,117,255.978 LINK | 6.6229% |
4 | P2B | LINK-USDT | $23.69 0.0065143 Eth | $22,857,380.00 964,693.280 LINK | 5.7186% |
5 | Bybit | LINK-USDT | $23.67 0.0065102 Eth | $21,949,025.00 938,174.532 LINK | 5.5614% |
6 | WhiteBIT | LINK-USDT | $23.70 0.0065156 Eth | $21,815,779.00 920,546.240 LINK | 5.4569% |
7 | MEXC | LINK-USDT | $23.67 0.0065074 Eth | $21,447,919.00 906,290.450 LINK | 5.3724% |
8 | CoinW | LINK-USDT | $23.69 0.0065154 Eth | $20,247,939.00 854,545.580 LINK | 5.0656% |
9 | OKX | LINK-USDT | $23.70 0.0065175 Eth | $17,788,243.00 762,105.197 LINK | 4.5177% |
10 | DigiFinex | LINK-USDT | $23.65 0.0065041 Eth | $14,268,580.00 603,286.380 LINK | 3.5762% |
11 | XT.COM | LINK-USDT | $23.66 0.0065046 Eth | $10,853,894.00 464,449.780 LINK | 2.7532% |
12 | HTX | LINK-USDT | $23.65 0.0065044 Eth | $10,100,660.00 432,810.484 LINK | 2.5656% |
13 | Coinstore | LINK-USDT | $23.64 0.0065000 Eth | $9,755,983.00 417,559.560 LINK | 2.4752% |
14 | Bitunix | LINK-USDT | $23.67 0.0065089 Eth | $8,555,885.00 361,561.310 LINK | 2.1433% |
15 | Binance | LINK-FDUSD | $23.68 0.0065110 Eth | $8,352,760.00 357,219.470 LINK | 2.1175% |
16 | Azbit | LINK-USDT | $23.77 0.0065272 Eth | $7,621,374.00 325,617.456 LINK | 1.9302% |
17 | Biconomy.com | LINK-USDT | $23.68 0.0065117 Eth | $7,531,296.00 322,771.400 LINK | 1.9133% |
18 | BYDFi | LINK-USDT | $23.65 0.0064929 Eth | $7,089,909.00 299,745.430 LINK | 1.7768% |
19 | Kraken | LINK-USD | $23.74 0.0065271 Eth | $7,034,179.00 296,334.053 LINK | 1.7566% |
20 | Bithumb | LINK-KRW | $23.83 0.0065516 Eth | $6,239,958.00 261,894.322 LINK | 1.5525% |
21 | Binance | LINK-USDC | $23.71 0.0065203 Eth | $5,808,261.00 248,804.470 LINK | 1.4749% |
22 | LBank | LINK-USDT | $23.74 0.0065178 Eth | $5,463,714.00 230,128.010 LINK | 1.3642% |
23 | LATOKEN | LINK-USDT | $23.68 0.0065110 Eth | $5,283,949.00 223,114.568 LINK | 1.3226% |
24 | Hotcoin | LINK-USDT | $23.64 0.0064900 Eth | $3,574,650.00 151,224.410 LINK | 0.8964% |
25 | Dex-Trade | LINK-USDT | $23.67 0.0065103 Eth | $3,488,948.00 147,376.450 LINK | 0.8736% |
26 | CoinEx | LINK-USDT | $23.72 0.0065209 Eth | $3,354,859.00 143,359.229 LINK | 0.8498% |
27 | KuCoin | LINK-USDT | $23.66 0.0065052 Eth | $3,280,708.00 138,687.974 LINK | 0.8221% |
28 | ProBit Global | LINK-USDT | $23.65 0.0065040 Eth | $2,848,459.00 120,437.036 LINK | 0.7139% |
29 | Bitvavo | LINK-EUR | $23.79 0.0065313 Eth | $2,474,284.00 103,997.686 LINK | 0.6165% |
30 | Coinbase Exchange | LINK-BTC | $23.67 0.0065090 Eth | $2,093,784.00 88,453.270 LINK | 0.5243% |
31 | Dcoin | LINK-USDT | $23.69 0.0065000 Eth | $1,871,869.00 79,006.000 LINK | 0.4683% |
32 | PointPay | LINK-USDT | $23.69 0.0065153 Eth | $1,624,248.00 69,394.091 LINK | 0.4114% |
33 | EXMO | LINK-USDT | $23.68 0.0065130 Eth | $1,563,422.00 66,012.820 LINK | 0.3913% |
34 | Bybit | LINK-USDC | $23.66 0.0065066 Eth | $1,449,422.00 61,753.028 LINK | 0.3661% |
35 | Phemex | LINK-USDT | $23.69 0.0065157 Eth | $1,281,173.00 54,072.520 LINK | 0.3205% |
36 | Coinbase Exchange | LINK-EUR | $23.71 0.0065176 Eth | $1,280,305.00 54,007.300 LINK | 0.3201% |
37 | tanX | LINK-USDC | $23.70 0.0065159 Eth | $1,183,841.00 50,660.570 LINK | 0.3003% |
38 | Bitbank | LINK-JPY | $23.74 0.0065267 Eth | $967,691.00 40,759.538 LINK | 0.2416% |
39 | BitStorage | LINK-USDT | $23.71 0.0065204 Eth | $894,772.00 37,733.890 LINK | 0.2237% |
40 | WhiteBIT | LINK-BTC | $23.69 0.0065143 Eth | $832,556.00 35,137.620 LINK | 0.2083% |
41 | Coinbase Exchange | LINK-GBP | $23.68 0.0065100 Eth | $830,856.00 35,089.440 LINK | 0.2080% |
42 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.73 0.0065239 Eth | $769,342.00 32,426.027 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1922% |
43 | EarnBIT | LINK-USDT | $23.73 0.0065234 Eth | $737,014.00 31,502.245 LINK | 0.1867% |
44 | WhiteBIT | LINK-TRY | $23.70 0.0065172 Eth | $673,351.00 28,406.030 LINK | 0.1684% |
45 | itBit | LINK-USD | $23.72 0.0065131 Eth | $646,484.00 27,254.826 LINK | 0.1616% |
46 | Gemini | LINK-USD | $23.66 0.0065052 Eth | $646,044.00 27,310.992 LINK | 0.1619% |
47 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.71 0.0065202 Eth | $637,175.00 41,792.473 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2477% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.63 0.0064964 Eth | $617,125.00 26,115.698 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1548% |
49 | BigONE | LINK-USDT | $23.61 0.0064818 Eth | $556,973.00 23,591.540 LINK | 0.1398% |
50 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.63 0.0064975 Eth | $536,447.00 22,888.042 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1357% |
51 | Binance | LINK-TRY | $23.72 0.0065221 Eth | $516,427.00 22,129.970 LINK | 0.1312% |
52 | Binance | LINK-EUR | $23.74 0.0065171 Eth | $496,442.00 21,227.610 LINK | 0.1258% |
53 | GMO Japan | LINK-JPY | $23.59 0.0064733 Eth | $448,262.00 19,003.400 LINK | 0.1126% |
54 | Bitbegin | LINK-USDT | $23.67 0.0064973 Eth | $427,797.00 18,327.991 LINK | 0.1086% |
55 | Slex | LINK-ETH | $23.72 0.0065121 Eth | $427,151.00 18,078.400 LINK | 0.1072% |
56 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.69 0.0065155 Eth | $360,212.00 15,209.636 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0902% |
57 | Coinbase Exchange | LINK-ETH | $23.72 0.0065238 Eth | $339,632.00 14,315.430 LINK | 0.0849% |
58 | BitMart | LINK-BTC | $23.71 0.0065200 Eth | $296,847.00 12,520.460 LINK | 0.0742% |
59 | Coinbase Exchange | LINK-USDT | $23.73 0.0065249 Eth | $271,651.00 11,446.314 LINK | 0.0679% |
60 | LATOKEN | LINK-BTC | $23.69 0.0065122 Eth | $270,112.00 11,403.693 LINK | 0.0676% |
61 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.76 0.0065341 Eth | $268,656.00 264,046.402 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.5652% |
62 | Binance | LINK-BRL | $23.88 0.0065661 Eth | $256,737.00 10,932.030 LINK | 0.0648% |
63 | OKX | LINK-USDC | $23.66 0.0065067 Eth | $256,522.00 10,964.664 LINK | 0.0650% |
64 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.63 0.0064964 Eth | $250,831.00 247,967.392 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.4699% |
65 | Bitci TR | LINK-TRY | $23.84 0.0065453 Eth | $239,220.00 10,278.090 LINK | 0.0609% |
66 | Bitkub | LINK-THB | $23.62 0.0064946 Eth | $224,677.00 9,511.165 LINK | 0.0564% |
67 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.72 0.0065236 Eth | $219,509.00 9,405.518 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0558% |
68 | PointPay | LINK-BTC | $23.65 0.0065020 Eth | $196,978.00 8,443.403 LINK | 0.0501% |
69 | HashKey Exchange | LINK-USD | $23.71 0.0065208 Eth | $191,802.00 8,189.180 LINK | 0.0485% |
70 | Binance US | LINK-USDT | $23.71 0.0065100 Eth | $170,293.00 7,181.966 LINK | 0.0426% |
71 | Bitexen | LINK-TRY | $23.49 0.0064585 Eth | $167,800.00 7,144.181 LINK | 0.0423% |
72 | CoinEx | LINK-USDC | $23.69 0.0065044 Eth | $160,805.00 6,974.696 LINK | 0.0413% |
73 | BitStorage | LINK-ETH | $23.71 0.0065185 Eth | $155,711.00 6,568.470 LINK | 0.0389% |
74 | Bitso | LINK-USD | $23.71 0.0065192 Eth | $154,431.00 6,512.143 LINK | 0.0386% |
75 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.63 0.0064964 Eth | $144,600.00 6,128.299 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0363% |
76 | Hotcoin | LINK-BTC | $23.70 0.0065147 Eth | $125,870.00 5,311.830 LINK | 0.0315% |
77 | EXMO | LINK-BTC | $23.67 0.0065100 Eth | $120,207.00 5,077.882 LINK | 0.0301% |
78 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.74 0.0065278 Eth | $117,379.00 4,950.455 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0293% |
79 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.69 0.0065132 Eth | $115,540.00 4,880.527 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0289% |
80 | CoinEx | LINK-BTC | $23.67 0.0065069 Eth | $104,413.00 4,448.493 LINK | 0.0264% |
81 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.69 0.0065147 Eth | $99,061.00 4,233.511 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0251% |
82 | BitMart | LINK-ETH | $23.72 0.0065218 Eth | $95,832.00 4,040.500 LINK | 0.0240% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.63 0.0064964 Eth | $76,217.00 3,260.746 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0193% |
84 | Mercado Bitcoin | LINK-BRL | $23.85 0.0065590 Eth | $70,685.00 2,963.386 LINK | 0.0176% |
85 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.72 0.0065214 Eth | $67,522.00 66,685.306 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3953% |
86 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.75 0.0065307 Eth | $50,399.00 2,153.965 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0128% |
87 | Hotcoin | LINK-ETH | $23.69 0.0065137 Eth | $44,394.00 1,873.750 LINK | 0.0111% |
88 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.65 0.0065041 Eth | $44,059.00 55.999 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
89 | Gemini | LINK-BTC | $23.72 0.0065229 Eth | $42,276.00 1,782.342 LINK | 0.0106% |
90 | Kraken | LINK-USDC | $23.55 0.0064753 Eth | $41,553.00 1,764.537 LINK | 0.0105% |
91 | Coins.ph | LINK-PHP | $23.88 0.0065670 Eth | $40,916.00 1,754.235 LINK | 0.0104% |
92 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.61 0.0064908 Eth | $39,607.00 1,673.612 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0099% |
93 | Korbit | LINK-KRW | $23.76 0.0065353 Eth | $34,540.00 1,469.908 LINK | 0.0087% |
94 | zondacrypto | LINK-PLN | $23.73 0.0065237 Eth | $33,318.00 1,404.159 LINK | 0.0083% |
95 | Dex-Trade | LINK-ETH | $23.70 0.0065179 Eth | $19,431.13 819.830 LINK | 0.0049% |
96 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.68 0.0065122 Eth | $17,709.48 756.427 0X5947BB275C521040051D82396192181B413227A3 | 0.0045% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.65 0.0065025 Eth | $14,800.93 623.449 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0037% |
98 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.70 0.0065171 Eth | $10,022.72 427.374 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0025% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.75 0.0065293 Eth | $9,877.96 422.791 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0025% |
100 | Ace | LINK-USDT | $23.69 0.0064988 Eth | $4,161.70 178.240 LINK | 0.0011% |
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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