ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
721,665 ( 0.004%)
Market
Price
$11.05 @ 0.004458 ETH (+0.99%)
Onchain Market Cap
$11,050,000,000.00
Circulating Supply Market Cap
$6,926,661,028.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
516.64046613 LINKValue
$5,708.88 ( ~2.3033 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | LBank | LINK-USDT | $11.05 0.0044538 Eth | $34,287,475.00 3,103,484.030 LINK | 21.7571% |
2 | Binance | LINK-USDT | $11.08 0.0044656 Eth | $15,118,161.00 1,372,450.330 LINK | 9.6216% |
3 | Coinbase Exchange | LINK-USD | $11.07 0.0044674 Eth | $10,641,109.00 960,909.280 LINK | 6.7365% |
4 | HTX | LINK-USDT | $11.08 0.0044656 Eth | $8,833,914.00 803,484.633 LINK | 5.6329% |
5 | Bitget | LINK-USDT | $11.07 0.0044630 Eth | $8,716,708.00 792,335.807 LINK | 5.5547% |
6 | Websea | LINK-USDT | $11.07 0.0044669 Eth | $6,691,161.00 0.000 LINK | 0.0000% |
7 | Bybit | LINK-USDT | $11.08 0.0044678 Eth | $6,281,079.00 570,049.335 LINK | 3.9964% |
8 | Azbit | LINK-USDT | $11.07 0.0044627 Eth | $5,327,588.00 484,698.560 LINK | 3.3980% |
9 | WhiteBIT | LINK-USDT | $11.06 0.0044601 Eth | $4,618,491.00 417,431.560 LINK | 2.9264% |
10 | Poloniex | LINK-USDT | $11.11 0.0044839 Eth | $3,775,252.00 343,083.620 LINK | 2.4052% |
11 | BVOX | LINK-USDT | $11.07 0.0044666 Eth | $3,221,653.00 292,772.820 LINK | 2.0525% |
12 | P2B | LINK-USDT | $11.07 0.0044621 Eth | $3,200,453.00 289,140.070 LINK | 2.0270% |
13 | Biconomy.com | LINK-USDT | $11.08 0.0044655 Eth | $3,169,215.00 288,209.600 LINK | 2.0205% |
14 | WEEX | LINK-USDT | $11.05 0.0044655 Eth | $3,086,966.00 280,300.420 LINK | 1.9651% |
15 | Slex | LINK-USDT | $11.09 0.0044730 Eth | $2,635,757.00 239,308.530 LINK | 1.6777% |
16 | FameEX | LINK-USDT | $11.08 0.0044684 Eth | $2,439,890.00 221,917.451 LINK | 1.5558% |
17 | BTSE | LINK-USDT | $11.07 0.0044649 Eth | $2,343,995.00 211,790.931 LINK | 1.4848% |
18 | KuCoin | LINK-USDT | $11.07 0.0044637 Eth | $1,886,758.00 170,393.192 LINK | 1.1946% |
19 | DigiFinex | LINK-USDT | $11.08 0.0044664 Eth | $1,879,636.00 169,653.030 LINK | 1.1894% |
20 | OKX | LINK-USDT | $11.08 0.0044647 Eth | $1,814,488.00 164,888.253 LINK | 1.1560% |
21 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.06 0.0044624 Eth | $1,760,031.00 158,280.214 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.1096% |
22 | AscendEX (BitMax) | LINK-USDT | $11.06 0.0044569 Eth | $1,720,827.00 155,645.500 LINK | 1.0912% |
23 | Upbit | LINK-KRW | $11.06 0.0044599 Eth | $1,697,868.00 153,447.224 LINK | 1.0758% |
24 | Deepcoin | LINK-USDT | $11.06 0.0044649 Eth | $1,565,474.00 148,843.020 LINK | 1.0435% |
25 | Trubit | LINK-USDT | $11.06 0.0044631 Eth | $1,545,635.00 140,335.960 LINK | 0.9838% |
26 | XT.COM | LINK-USDT | $11.07 0.0044649 Eth | $1,374,122.00 124,728.310 LINK | 0.8744% |
27 | CoinW | LINK-USDT | $11.08 0.0044672 Eth | $1,308,900.00 118,157.900 LINK | 0.8284% |
28 | Toobit | LINK-USDT | $11.07 0.0044650 Eth | $1,268,696.00 115,224.220 LINK | 0.8078% |
29 | C-Patex | LINK-USDT | $11.07 0.0044657 Eth | $1,092,167.00 98,625.645 LINK | 0.6914% |
30 | Binance | LINK-BTC | $11.07 0.0044677 Eth | $1,067,527.00 96,509.930 LINK | 0.6766% |
31 | HashKey Global | LINK-USDT | $11.08 0.0044716 Eth | $996,911.00 90,985.150 LINK | 0.6379% |
32 | Crypto.com Exchange | LINK-USDT | $11.08 0.0044651 Eth | $986,531.00 89,066.880 LINK | 0.6244% |
33 | Gate.io | LINK-USDT | $11.08 0.0044656 Eth | $974,381.00 88,499.170 LINK | 0.6204% |
34 | Azbit | LINK-ETH | $11.08 0.0044666 Eth | $930,428.00 83,664.647 LINK | 0.5865% |
35 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.05 0.0044564 Eth | $920,413.00 83,194.865 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5832% |
36 | Bitunix | LINK-USDT | $11.07 0.0044664 Eth | $844,443.00 76,246.220 LINK | 0.5345% |
37 | MEXC | LINK-USDT | $11.08 0.0044660 Eth | $837,557.00 75,603.390 LINK | 0.5300% |
38 | BYDFi | LINK-USDT | $11.06 0.0044682 Eth | $757,174.00 68,474.080 LINK | 0.4800% |
39 | Kraken | LINK-USD | $11.06 0.0044585 Eth | $752,588.00 68,045.882 LINK | 0.4770% |
40 | FMCPAY | LINK-USDT | $11.07 0.0044649 Eth | $741,753.00 67,410.465 LINK | 0.4726% |
41 | Hotcoin | LINK-USDT | $11.09 0.0044701 Eth | $675,074.00 60,878.510 LINK | 0.4268% |
42 | FMFW.io | LINK-USDT | $11.08 0.0044648 Eth | $659,446.00 59,532.700 LINK | 0.4174% |
43 | HitBTC | LINK-USDT | $11.07 0.0044639 Eth | $643,014.00 58,414.020 LINK | 0.4095% |
44 | Bitvavo | LINK-EUR | $11.04 0.0044569 Eth | $600,942.00 54,430.666 LINK | 0.3816% |
45 | LATOKEN | LINK-USDT | $11.08 0.0044659 Eth | $463,036.00 41,797.600 LINK | 0.2930% |
46 | Crypto.com Exchange | LINK-USD | $11.08 0.0044654 Eth | $453,974.00 40,983.490 LINK | 0.2873% |
47 | FMCPAY | LINK-BTC | $11.06 0.0044618 Eth | $442,506.00 40,074.400 LINK | 0.2809% |
48 | tanX | LINK-USDC | $11.05 0.0044742 Eth | $431,612.00 39,213.890 LINK | 0.2749% |
49 | CoinEx | LINK-USDT | $11.07 0.0044635 Eth | $416,533.00 37,773.851 LINK | 0.2648% |
50 | WhiteBIT | LINK-BTC | $11.08 0.0044655 Eth | $414,819.00 37,447.290 LINK | 0.2625% |
51 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.07 0.0044636 Eth | $362,696.00 33,080.853 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2319% |
52 | FMCPAY | LINK-ETH | $11.06 0.0044618 Eth | $362,321.00 32,641.280 LINK | 0.2288% |
53 | Bithumb | LINK-KRW | $11.04 0.0044516 Eth | $336,817.00 30,501.624 LINK | 0.2138% |
54 | BigONE | LINK-USDT | $11.11 0.0044809 Eth | $292,389.00 26,323.690 LINK | 0.1845% |
55 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.04 0.0044523 Eth | $280,277.00 25,298.695 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1774% |
56 | PointPay | LINK-USDT | $11.06 0.0044651 Eth | $247,721.00 22,478.781 LINK | 0.1576% |
57 | EXMO | LINK-USDT | $11.07 0.0044632 Eth | $211,270.00 19,082.014 LINK | 0.1338% |
58 | LATOKEN | LINK-BTC | $11.08 0.0044661 Eth | $209,140.00 18,878.043 LINK | 0.1323% |
59 | Pionex | LINK-USDT | $11.08 0.0044677 Eth | $192,446.00 17,468.990 LINK | 0.1225% |
60 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.06 0.0044568 Eth | $189,429.00 17,071.969 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1197% |
61 | BitMart | LINK-BTC | $11.07 0.0044637 Eth | $182,296.00 16,463.140 LINK | 0.1154% |
62 | Phemex | LINK-USDT | $11.06 0.0044646 Eth | $156,676.00 14,164.640 LINK | 0.0993% |
63 | Koinpark | LINK-USDT | $11.07 0.0044643 Eth | $142,719.00 12,898.019 LINK | 0.0904% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.05 0.0044562 Eth | $130,175.00 11,718.573 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0822% |
65 | Bitbank | LINK-JPY | $11.06 0.0044595 Eth | $126,386.00 11,424.619 LINK | 0.0801% |
66 | Nominex | LINK-USDT | $11.06 0.0044648 Eth | $123,907.00 11,205.627 LINK | 0.0786% |
67 | Hotcoin | LINK-ETH | $11.07 0.0044638 Eth | $121,926.00 11,011.010 LINK | 0.0772% |
68 | Bybit | LINK-USDC | $11.06 0.0044576 Eth | $114,085.00 10,367.100 LINK | 0.0727% |
69 | BitDelta | LINK-USDT | $11.08 0.0044690 Eth | $106,044.00 9,642.000 LINK | 0.0676% |
70 | Kraken | LINK-EUR | $11.06 0.0044574 Eth | $103,317.00 9,343.788 LINK | 0.0655% |
71 | Bitci TR | LINK-TRY | $11.14 0.0044894 Eth | $103,309.00 9,373.970 LINK | 0.0657% |
72 | Bit2Me | LINK-EUR | $11.06 0.0044591 Eth | $102,094.00 9,284.298 LINK | 0.0651% |
73 | Hotcoin | LINK-BTC | $11.07 0.0044637 Eth | $100,328.00 9,060.600 LINK | 0.0635% |
74 | BYDFi | LINK-USDC | $11.06 0.0044676 Eth | $74,287.00 6,719.060 LINK | 0.0471% |
75 | Slex | LINK-ETH | $11.06 0.0044638 Eth | $74,280.00 6,693.750 LINK | 0.0469% |
76 | Slex | LINK-BTC | $11.07 0.0044651 Eth | $67,890.00 6,143.300 LINK | 0.0431% |
77 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.11 0.0044822 Eth | $65,585.00 5,956.354 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0418% |
78 | Bitget | LINK-EUR | $11.06 0.0044567 Eth | $48,914.00 4,448.630 LINK | 0.0312% |
79 | Bitso | LINK-USD | $11.07 0.0044638 Eth | $34,389.00 3,105.615 LINK | 0.0218% |
80 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.05 0.0044601 Eth | $32,799.00 32,643.079 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.2288% |
81 | EXMO | LINK-BTC | $11.09 0.0044739 Eth | $26,953.00 2,429.476 LINK | 0.0170% |
82 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.04 0.0044551 Eth | $24,874.00 24,690.433 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.1731% |
83 | CoinEx | LINK-USDC | $11.01 0.0044393 Eth | $24,220.00 2,185.272 LINK | 0.0153% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.09 0.0044692 Eth | $22,320.00 2,003.652 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0140% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.03 0.0044465 Eth | $19,460.62 1,772.621 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0124% |
86 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.05 0.0044562 Eth | $17,961.32 1,634.068 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0115% |
87 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.06 0.0044614 Eth | $13,380.56 13,280.219 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0931% |
88 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.07 0.0044619 Eth | $12,807.36 1,162.256 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0081% |
89 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $11.09 0.0044706 Eth | $12,084.38 1,102.717 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0077% |
90 | Coinone | LINK-KRW | $11.01 0.0044396 Eth | $11,508.85 1,045.028 LINK | 0.0073% |
91 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.10 0.0044813 Eth | $9,505.90 853.878 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0060% |
92 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $11.06 0.0044568 Eth | $8,350.91 8,320.299 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0583% |
93 | TokoCrypto | LINK-USDT | $11.07 0.0044640 Eth | $4,543.03 410.455 LINK | 0.0029% |
94 | CoinEx | LINK-BTC | $11.05 0.0044579 Eth | $3,990.31 361.148 LINK | 0.0025% |
95 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $11.06 0.0044643 Eth | $3,571.52 324.367 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0023% |
96 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $11.06 0.0044590 Eth | $1,175.14 105.938 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0007% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991 | $11.05 0.0044601 Eth | $1,131.28 103.195 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0007% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $11.06 0.0044604 Eth | $540.07 49.025 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0003% |
99 | CEX.IO | LINK-USDT | $11.08 0.0044673 Eth | $291.42 26.656 LINK | 0.0002% |
100 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.09 0.0044688 Eth | $197.09 17.910 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0001% |
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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