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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
727,699 ( 0.042%)
Market
Price
$22.66 @ 0.006810 ETH (-7.39%)
Onchain Market Cap
$22,660,000,000.00
Circulating Supply Market Cap
$14,302,105,857.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
118.364921 LINKValue
$2,682.15 ( ~0.806026367067278 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $22.70 0.0068260 Eth | $36,880,291.00 1,624,682.440 LINK | 9.9956% |
2 | MEXC | LINK-USDT | $22.71 0.0068265 Eth | $29,325,775.00 1,291,248.170 LINK | 7.9442% |
3 | Bybit | LINK-USDT | $22.71 0.0068235 Eth | $28,653,831.00 1,215,710.563 LINK | 7.4795% |
4 | Slex | LINK-USDT | $22.72 0.0068389 Eth | $23,840,068.00 1,012,732.020 LINK | 6.2307% |
5 | CoinW | LINK-USDT | $22.69 0.0068238 Eth | $21,098,612.00 929,835.220 LINK | 5.7207% |
6 | P2B | LINK-USDT | $22.70 0.0068240 Eth | $20,365,099.00 897,235.320 LINK | 5.5201% |
7 | OKX | LINK-USDT | $22.72 0.0068274 Eth | $18,007,936.00 768,097.703 LINK | 4.7256% |
8 | DigiFinex | LINK-USDT | $22.72 0.0068265 Eth | $13,087,425.00 576,134.910 LINK | 3.5446% |
9 | HTX | LINK-USDT | $22.71 0.0068256 Eth | $11,319,309.00 482,105.642 LINK | 2.9661% |
10 | FameEX | LINK-USDT | $22.71 0.0068156 Eth | $10,222,246.00 436,379.891 LINK | 2.6848% |
11 | Azbit | LINK-USDT | $22.70 0.0068235 Eth | $10,187,045.00 434,850.657 LINK | 2.6754% |
12 | XT.COM | LINK-USDT | $22.71 0.0068265 Eth | $10,184,756.00 434,671.010 LINK | 2.6742% |
13 | Coinstore | LINK-USDT | $22.67 0.0068139 Eth | $8,950,811.00 381,936.130 LINK | 2.3498% |
14 | Binance | LINK-FDUSD | $22.71 0.0068357 Eth | $8,116,790.00 344,474.070 LINK | 2.1193% |
15 | Bitunix | LINK-USDT | $22.71 0.0068250 Eth | $8,102,395.00 356,914.950 LINK | 2.1959% |
16 | BTSE | LINK-USDT | $22.76 0.0068263 Eth | $7,940,909.00 348,881.311 LINK | 2.1464% |
17 | Biconomy.com | LINK-USDT | $22.78 0.0068436 Eth | $6,965,452.00 295,980.334 LINK | 1.8210% |
18 | Kraken | LINK-USD | $22.70 0.0068225 Eth | $6,802,337.00 299,690.556 LINK | 1.8438% |
19 | BYDFi | LINK-USDT | $22.77 0.0068285 Eth | $6,265,002.00 275,163.030 LINK | 1.6929% |
20 | KuCoin | LINK-USDT | $22.73 0.0068294 Eth | $5,414,505.00 238,256.814 LINK | 1.4658% |
21 | Hotcoin | LINK-USDT | $22.67 0.0068170 Eth | $5,149,744.00 227,180.010 LINK | 1.3977% |
22 | LATOKEN | LINK-USDT | $22.70 0.0068174 Eth | $4,978,949.00 219,378.197 LINK | 1.3497% |
23 | LBank | LINK-USDT | $22.69 0.0068214 Eth | $4,562,131.00 201,063.560 LINK | 1.2370% |
24 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $22.79 0.0068521 Eth | $4,346,687.00 187,428.316 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.1531% |
25 | Dex-Trade | LINK-USDT | $22.82 0.0068579 Eth | $3,260,956.00 142,875.460 LINK | 0.8790% |
26 | Coinbase Exchange | LINK-GBP | $22.69 0.0068198 Eth | $2,622,070.00 115,566.870 LINK | 0.7110% |
27 | Bitvavo | LINK-EUR | $22.67 0.0068217 Eth | $2,444,814.00 107,861.143 LINK | 0.6636% |
28 | Dcoin | LINK-USDT | $22.72 0.0068304 Eth | $2,394,602.00 105,399.000 LINK | 0.6485% |
29 | ProBit Global | LINK-USDT | $22.71 0.0068271 Eth | $2,313,357.00 101,874.293 LINK | 0.6268% |
30 | CoinEx | LINK-USDT | $22.65 0.0068158 Eth | $2,153,774.00 92,315.076 LINK | 0.5680% |
31 | PointPay | LINK-USDT | $22.70 0.0068279 Eth | $1,672,798.00 71,503.038 LINK | 0.4399% |
32 | Bitbank | LINK-JPY | $22.78 0.0068447 Eth | $1,521,187.00 66,787.633 LINK | 0.4109% |
33 | EXMO | LINK-USDT | $22.73 0.0068343 Eth | $1,427,997.00 62,818.967 LINK | 0.3865% |
34 | Bitstamp | LINK-USD | $22.65 0.0068081 Eth | $1,367,579.00 60,378.748 LINK | 0.3715% |
35 | WhiteBIT | LINK-BTC | $22.69 0.0068243 Eth | $1,252,825.00 55,224.740 LINK | 0.3398% |
36 | Phemex | LINK-USDT | $22.69 0.0068227 Eth | $1,223,088.00 53,906.430 LINK | 0.3317% |
37 | WhiteBIT | LINK-TRY | $22.89 0.0068797 Eth | $1,216,751.00 53,150.710 LINK | 0.3270% |
38 | Coinbase Exchange | LINK-EUR | $22.73 0.0068324 Eth | $1,184,615.00 52,114.740 LINK | 0.3206% |
39 | Bitstamp | LINK-EUR | $22.69 0.0068199 Eth | $1,061,737.00 46,794.784 LINK | 0.2879% |
40 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $22.73 0.0068346 Eth | $979,262.00 42,484.806 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2614% |
41 | Trubit | LINK-USDT | $22.75 0.0068330 Eth | $958,444.00 40,733.030 LINK | 0.2506% |
42 | Bybit | LINK-USDC | $22.79 0.0068481 Eth | $927,902.00 39,750.072 LINK | 0.2446% |
43 | BigONE | LINK-USDT | $22.74 0.0068448 Eth | $853,341.00 37,531.310 LINK | 0.2309% |
44 | EarnBIT | LINK-USDT | $22.74 0.0068297 Eth | $848,762.00 36,222.368 LINK | 0.2229% |
45 | BitStorage | LINK-USDT | $22.70 0.0068232 Eth | $820,104.00 36,120.120 LINK | 0.2222% |
46 | itBit | LINK-USD | $22.73 0.0068336 Eth | $801,465.00 35,260.246 LINK | 0.2169% |
47 | ProBit Global | LINK-BTC | $22.69 0.0068215 Eth | $663,450.00 29,239.439 LINK | 0.1799% |
48 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $22.76 0.0068426 Eth | $556,395.00 23,977.806 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1475% |
49 | Koinpark | LINK-USDT | $22.79 0.0068412 Eth | $511,114.00 22,427.199 LINK | 0.1380% |
50 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $22.65 0.0068073 Eth | $511,052.00 22,268.481 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1370% |
51 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $22.68 0.0068166 Eth | $507,170.00 22,351.144 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1375% |
52 | Binance | LINK-EUR | $22.77 0.0068341 Eth | $473,041.00 20,234.620 LINK | 0.1245% |
53 | HashKey Exchange | LINK-USD | $22.81 0.0068439 Eth | $461,280.00 19,810.752 LINK | 0.1219% |
54 | Coinbase Exchange | LINK-USDT | $22.72 0.0068389 Eth | $447,300.00 19,684.394 LINK | 0.1211% |
55 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $22.73 0.0068346 Eth | $444,231.00 18,935.877 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1165% |
56 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $22.66 0.0068120 Eth | $438,037.00 457,629.472 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.8155% |
57 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $22.94 0.0068977 Eth | $428,525.00 18,507.985 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1139% |
58 | Slex | LINK-ETH | $22.66 0.0068138 Eth | $409,288.00 17,846.490 LINK | 0.1098% |
59 | GMO Japan | LINK-JPY | $22.80 0.0068540 Eth | $382,558.00 16,780.600 LINK | 0.1032% |
60 | BitMart | LINK-BTC | $22.70 0.0068258 Eth | $360,369.00 15,872.580 LINK | 0.0977% |
61 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $22.65 0.0068073 Eth | $294,750.00 306,053.982 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.8829% |
62 | OKX | LINK-USDC | $22.66 0.0068090 Eth | $288,741.00 12,295.435 LINK | 0.0756% |
63 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $22.68 0.0068173 Eth | $287,286.00 12,526.356 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0771% |
64 | BitDelta | LINK-USDT | $22.67 0.0068167 Eth | $270,681.00 11,504.000 LINK | 0.0708% |
65 | LATOKEN | LINK-BTC | $22.70 0.0068239 Eth | $266,153.00 11,726.138 LINK | 0.0721% |
66 | Gemini | LINK-USD | $22.67 0.0068172 Eth | $265,338.00 11,701.778 LINK | 0.0720% |
67 | Coinbase Exchange | LINK-BTC | $22.66 0.0068141 Eth | $259,154.00 11,437.340 LINK | 0.0704% |
68 | Bitci TR | LINK-TRY | $23.01 0.0069192 Eth | $239,626.00 10,105.201 LINK | 0.0622% |
69 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $22.73 0.0068323 Eth | $220,564.00 9,351.751 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0575% |
70 | PointPay | LINK-BTC | $22.79 0.0068359 Eth | $202,857.00 8,791.462 LINK | 0.0541% |
71 | Binance | LINK-BNB | $22.79 0.0068346 Eth | $186,286.00 8,003.079 LINK | 0.0492% |
72 | Hotcoin | LINK-BTC | $22.66 0.0068132 Eth | $180,974.00 7,987.980 LINK | 0.0491% |
73 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $22.79 0.0068521 Eth | $171,143.00 13,249.641 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0815% |
74 | BitStorage | LINK-ETH | $22.80 0.0068374 Eth | $170,942.00 7,498.890 LINK | 0.0461% |
75 | BitMart | LINK-ETH | $22.68 0.0068196 Eth | $158,455.00 6,985.520 LINK | 0.0430% |
76 | BTCMarkets | LINK-AUD | $22.97 0.0069016 Eth | $144,074.00 6,272.242 LINK | 0.0386% |
77 | KuCoin | LINK-USDC | $22.65 0.0068056 Eth | $121,051.00 5,345.316 LINK | 0.0329% |
78 | Bitbegin | LINK-USDT | $22.71 0.0068311 Eth | $120,520.00 5,143.400 LINK | 0.0316% |
79 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $22.70 0.0068223 Eth | $119,073.00 5,196.793 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0320% |
80 | Coinbase Exchange | LINK-ETH | $22.73 0.0068321 Eth | $119,046.00 5,238.360 LINK | 0.0322% |
81 | Binance US | LINK-USDT | $22.76 0.0068274 Eth | $114,745.00 5,040.684 LINK | 0.0310% |
82 | Kanga | LINK-PLN | $22.81 0.0068569 Eth | $105,852.00 0.000 LINK | 0.0000% |
83 | Bitso | LINK-USD | $22.69 0.0068036 Eth | $94,187.00 4,151.207 LINK | 0.0255% |
84 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $22.73 0.0068346 Eth | $80,200.00 83,171.905 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5117% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $22.65 0.0068073 Eth | $76,201.00 3,242.046 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0199% |
86 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $22.64 0.0068052 Eth | $73,913.00 3,260.009 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0201% |
87 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $22.63 0.0068024 Eth | $66,219.00 2,882.331 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0177% |
88 | Hotcoin | LINK-ETH | $22.68 0.0068267 Eth | $63,010.00 2,777.870 LINK | 0.0171% |
89 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $22.65 0.0068084 Eth | $61,131.00 2,533.401 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0156% |
90 | KuCoin | LINK-BTC | $22.67 0.0068128 Eth | $57,988.00 2,557.913 LINK | 0.0157% |
91 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $22.74 0.0068376 Eth | $43,439.00 1,869.141 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0115% |
92 | Kanga | LINK-USDT | $22.76 0.0068503 Eth | $27,874.00 0.000 LINK | 0.0000% |
93 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $22.75 0.0068367 Eth | $21,787.00 939.661 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0058% |
94 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $22.76 0.0068417 Eth | $18,854.35 25.705 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
95 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $22.94 0.0068967 Eth | $15,813.16 690.689 0X5947BB275C521040051D82396192181B413227A3 | 0.0042% |
96 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $22.78 0.0068483 Eth | $15,511.42 680.822 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0042% |
97 | Bitstamp | LINK-BTC | $22.82 0.0068585 Eth | $10,239.17 448.743 LINK | 0.0028% |
98 | KuCoin | LINK-KCS | $22.69 0.0068174 Eth | $10,223.18 450.644 LINK | 0.0028% |
99 | Bitexen | LINK-TRY | $22.70 0.0068103 Eth | $8,864.48 390.544 LINK | 0.0024% |
100 | Ace | LINK-USDT | $22.71 0.0068274 Eth | $3,841.48 163.760 LINK | 0.0010% |
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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