ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,471 ( 0.031%)
Market
Price
$24.59 @ 0.007471 ETH (-0.28%)
Onchain Market Cap
$24,590,000,000.00
Circulating Supply Market Cap
$15,695,992,666.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
217.91626872 LINKValue
$5,358.56 ( ~1.6281 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $24.56 0.0074551 Eth | $139,028,233.00 5,508,272.740 LINK | 22.4507% |
2 | Coinbase Exchange | LINK-USD | $24.54 0.0074512 Eth | $57,142,083.00 2,328,148.740 LINK | 9.4891% |
3 | Bybit | LINK-USDT | $24.58 0.0074675 Eth | $47,934,589.00 1,901,970.313 LINK | 7.7521% |
4 | P2B | LINK-USDT | $24.67 0.0074443 Eth | $28,266,794.00 1,145,610.610 LINK | 4.6693% |
5 | OKX | LINK-USDT | $24.68 0.0074954 Eth | $22,409,078.00 884,843.919 LINK | 3.6065% |
6 | Slex | LINK-USDT | $24.54 0.0074560 Eth | $18,300,545.00 732,256.450 LINK | 2.9845% |
7 | Gate.io | LINK-USDT | $24.64 0.0074815 Eth | $18,174,358.00 719,927.960 LINK | 2.9343% |
8 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.71 0.0075082 Eth | $18,123,290.00 721,756.092 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.9417% |
9 | DigiFinex | LINK-USDT | $24.64 0.0074872 Eth | $17,582,638.00 713,466.910 LINK | 2.9080% |
10 | MEXC | LINK-USDT | $24.61 0.0074511 Eth | $13,984,816.00 568,307.880 LINK | 2.3163% |
11 | XT.COM | LINK-USDT | $24.65 0.0074642 Eth | $13,915,274.00 551,261.030 LINK | 2.2468% |
12 | Azbit | LINK-USDT | $24.66 0.0074840 Eth | $13,746,530.00 544,574.291 LINK | 2.2196% |
13 | HTX | LINK-USDT | $24.66 0.0074884 Eth | $12,053,693.00 481,924.240 LINK | 1.9642% |
14 | Coinstore | LINK-USDT | $24.55 0.0074586 Eth | $11,898,440.00 472,232.730 LINK | 1.9247% |
15 | Bitunix | LINK-USDT | $24.56 0.0074552 Eth | $10,594,650.00 431,406.850 LINK | 1.7583% |
16 | Binance | LINK-USDC | $24.62 0.0074809 Eth | $10,174,927.00 403,070.310 LINK | 1.6428% |
17 | CoinW | LINK-USDT | $24.66 0.0074681 Eth | $8,708,288.00 353,145.180 LINK | 1.4394% |
18 | Binance | LINK-FDUSD | $24.43 0.0074153 Eth | $8,575,199.00 342,589.090 LINK | 1.3963% |
19 | KuCoin | LINK-USDT | $24.62 0.0074811 Eth | $8,322,623.00 337,991.702 LINK | 1.3776% |
20 | BYDFi | LINK-USDT | $24.62 0.0074586 Eth | $7,558,968.00 307,053.210 LINK | 1.2515% |
21 | LATOKEN | LINK-USDT | $24.56 0.0074551 Eth | $6,849,666.00 278,861.924 LINK | 1.1366% |
22 | LBank | LINK-USDT | $24.62 0.0074819 Eth | $6,667,433.00 270,781.280 LINK | 1.1037% |
23 | Kraken | LINK-USD | $24.63 0.0074786 Eth | $6,352,203.00 257,912.656 LINK | 1.0512% |
24 | BTSE | LINK-USDT | $24.54 0.0074562 Eth | $5,942,712.00 242,130.852 LINK | 0.9869% |
25 | Hotcoin | LINK-USDT | $24.66 0.0074923 Eth | $5,679,536.00 230,308.526 LINK | 0.9387% |
26 | QMall | LINK-USDT | $24.57 0.0074589 Eth | $5,669,823.00 224,488.057 LINK | 0.9150% |
27 | Bitvavo | LINK-EUR | $24.52 0.0074513 Eth | $5,567,140.00 227,046.478 LINK | 0.9254% |
28 | WhiteBIT | LINK-USDT | $24.51 0.0074473 Eth | $4,539,059.00 185,217.590 LINK | 0.7549% |
29 | FMCPAY | LINK-USDT | $24.56 0.0074649 Eth | $4,234,242.00 168,795.666 LINK | 0.6880% |
30 | Coinbase Exchange | LINK-EUR | $24.67 0.0074917 Eth | $4,216,281.00 170,892.010 LINK | 0.6965% |
31 | Dex-Trade | LINK-USDT | $24.58 0.0074432 Eth | $4,214,783.00 171,497.120 LINK | 0.6990% |
32 | CoinEx | LINK-USDT | $24.61 0.0074792 Eth | $3,123,066.00 123,344.059 LINK | 0.5027% |
33 | Biconomy.com | LINK-USDT | $24.68 0.0074743 Eth | $2,675,673.00 106,289.540 LINK | 0.4332% |
34 | PointPay | LINK-USDT | $24.65 0.0074365 Eth | $2,253,450.00 89,213.724 LINK | 0.3636% |
35 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.58 0.0074689 Eth | $2,140,095.00 85,804.158 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3497% |
36 | FMCPAY | LINK-ETH | $24.63 0.0074834 Eth | $1,796,845.00 71,826.560 LINK | 0.2928% |
37 | Coinbase Exchange | LINK-GBP | $24.66 0.0074936 Eth | $1,743,916.00 70,704.240 LINK | 0.2882% |
38 | FMCPAY | LINK-BTC | $24.57 0.0074576 Eth | $1,650,260.00 67,651.200 LINK | 0.2757% |
39 | Phemex | LINK-USDT | $24.54 0.0074490 Eth | $1,550,518.00 63,191.930 LINK | 0.2576% |
40 | EXMO | LINK-USDT | $24.64 0.0074811 Eth | $1,428,077.00 57,963.893 LINK | 0.2363% |
41 | Binance | LINK-TRY | $24.77 0.0074642 Eth | $1,355,484.00 53,651.650 LINK | 0.2187% |
42 | Bybit | LINK-USDC | $24.55 0.0074583 Eth | $1,171,328.00 46,176.737 LINK | 0.1882% |
43 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.54 0.0074566 Eth | $1,157,871.00 46,431.033 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1892% |
44 | BitStorage | LINK-USDT | $24.78 0.0074672 Eth | $1,088,600.00 43,923.830 LINK | 0.1790% |
45 | EarnBIT | LINK-USDT | $24.67 0.0074709 Eth | $1,042,507.00 41,153.264 LINK | 0.1677% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.65 0.0074901 Eth | $972,197.00 38,732.982 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1579% |
47 | Binance | LINK-EUR | $24.65 0.0074883 Eth | $933,873.00 37,063.820 LINK | 0.1511% |
48 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.66 0.0074934 Eth | $899,860.00 75,482.778 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3077% |
49 | Trubit | LINK-USDT | $24.68 0.0074735 Eth | $886,553.00 35,479.900 LINK | 0.1446% |
50 | Bitbank | LINK-JPY | $24.63 0.0074850 Eth | $865,729.00 35,147.355 LINK | 0.1433% |
51 | Coinbase Exchange | LINK-USDT | $24.57 0.0074498 Eth | $849,215.00 34,563.320 LINK | 0.1409% |
52 | BigONE | LINK-USDT | $24.53 0.0074506 Eth | $833,803.00 33,997.950 LINK | 0.1386% |
53 | QMall | LINK-USDC | $24.55 0.0074539 Eth | $805,319.00 31,888.759 LINK | 0.1300% |
54 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.55 0.0074573 Eth | $775,490.00 31,024.120 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1264% |
55 | OKX | LINK-USDC | $24.68 0.0074926 Eth | $730,247.00 28,867.423 LINK | 0.1177% |
56 | HashKey Exchange | LINK-USD | $24.56 0.0074613 Eth | $726,356.00 28,994.994 LINK | 0.1182% |
57 | itBit | LINK-USD | $24.61 0.0074611 Eth | $715,303.00 29,065.556 LINK | 0.1185% |
58 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.69 0.0075021 Eth | $714,567.00 28,336.031 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1155% |
59 | WhiteBIT | LINK-TRY | $24.62 0.0074811 Eth | $714,531.00 29,022.100 LINK | 0.1183% |
60 | Gemini | LINK-USD | $24.57 0.0074602 Eth | $713,517.00 29,035.724 LINK | 0.1183% |
61 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.43 0.0074255 Eth | $639,511.00 25,515.427 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1040% |
62 | LATOKEN | LINK-BTC | $24.59 0.0074633 Eth | $608,754.00 24,755.965 LINK | 0.1009% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.67 0.0074962 Eth | $588,567.00 23,925.132 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0975% |
64 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.62 0.0074807 Eth | $559,679.00 573,461.737 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3373% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.56 0.0074609 Eth | $558,039.00 22,227.827 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0906% |
66 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.62 0.0074793 Eth | $480,024.00 19,140.464 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0780% |
67 | Coinbase Exchange | LINK-BTC | $24.55 0.0074569 Eth | $405,477.00 16,519.230 LINK | 0.0673% |
68 | GMO Japan | LINK-JPY | $24.79 0.0075030 Eth | $400,590.00 16,157.000 LINK | 0.0659% |
69 | WhiteBIT | LINK-BTC | $24.57 0.0074584 Eth | $347,979.00 14,160.490 LINK | 0.0577% |
70 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.62 0.0074567 Eth | $331,273.00 13,163.661 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0537% |
71 | Kraken | LINK-GBP | $24.54 0.0074523 Eth | $299,524.00 12,204.287 LINK | 0.0497% |
72 | BitMart | LINK-BTC | $24.60 0.0074750 Eth | $271,654.00 11,041.240 LINK | 0.0450% |
73 | Slex | LINK-ETH | $24.58 0.0074687 Eth | $254,251.00 10,186.950 LINK | 0.0415% |
74 | Bitci TR | LINK-TRY | $24.54 0.0074546 Eth | $253,069.00 10,121.970 LINK | 0.0413% |
75 | PointPay | LINK-BTC | $24.60 0.0074735 Eth | $240,539.00 9,744.862 LINK | 0.0397% |
76 | WhiteBIT | LINK-EUR | $24.54 0.0074582 Eth | $218,962.00 8,921.720 LINK | 0.0364% |
77 | Bitkub | LINK-THB | $24.72 0.0074870 Eth | $212,331.00 8,589.015 LINK | 0.0350% |
78 | BitStorage | LINK-ETH | $24.66 0.0074674 Eth | $201,567.00 8,175.010 LINK | 0.0333% |
79 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.57 0.0074677 Eth | $200,129.00 8,001.974 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0326% |
80 | Hotcoin | LINK-BTC | $24.61 0.0074528 Eth | $197,899.00 8,040.290 LINK | 0.0328% |
81 | Binance US | LINK-USDT | $24.63 0.0074583 Eth | $197,143.00 8,005.373 LINK | 0.0326% |
82 | BYDFi | LINK-USDC | $24.63 0.0074664 Eth | $163,173.00 6,624.940 LINK | 0.0270% |
83 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.64 0.0074791 Eth | $162,763.00 6,507.695 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0265% |
84 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.59 0.0074716 Eth | $147,750.00 5,875.259 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0239% |
85 | Coinbase Exchange | LINK-ETH | $24.62 0.0074825 Eth | $147,342.00 5,984.080 LINK | 0.0244% |
86 | Bitso | LINK-USD | $24.64 0.0074832 Eth | $139,875.00 5,675.742 LINK | 0.0231% |
87 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.57 0.0074670 Eth | $135,937.00 138,473.807 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5644% |
88 | KuCoin | LINK-USDC | $24.54 0.0074570 Eth | $115,255.00 4,695.801 LINK | 0.0191% |
89 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.48 0.0074402 Eth | $107,895.00 4,408.046 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0180% |
90 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.58 0.0074685 Eth | $104,298.00 106,533.038 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4342% |
91 | KuCoin | LINK-BTC | $24.54 0.0074556 Eth | $98,427.00 4,010.915 LINK | 0.0163% |
92 | BitMart | LINK-ETH | $24.61 0.0074777 Eth | $79,608.00 3,234.440 LINK | 0.0132% |
93 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.54 0.0074568 Eth | $71,344.00 2,855.250 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0116% |
94 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.63 0.0074800 Eth | $69,479.00 5,870.676 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0239% |
95 | BTCMarkets | LINK-AUD | $24.69 0.0074861 Eth | $64,824.00 2,625.551 LINK | 0.0107% |
96 | Hotcoin | LINK-ETH | $24.65 0.0074633 Eth | $63,111.00 2,560.490 LINK | 0.0104% |
97 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $24.60 0.0074757 Eth | $51,334.00 2,061.576 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0084% |
98 | zondacrypto | LINK-PLN | $24.79 0.0075075 Eth | $38,250.00 1,542.826 LINK | 0.0063% |
99 | Dex-Trade | LINK-ETH | $24.66 0.0074741 Eth | $28,373.00 1,150.730 LINK | 0.0047% |
100 | OKX | LINK-USD | $24.73 0.0075104 Eth | $11,710.09 455.054 LINK | 0.0019% |
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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