ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,475 ( 0.024%)
Market
Price
$25.85 @ 0.007594 ETH (+3.52%)
Onchain Market Cap
$25,850,000,000.00
Circulating Supply Market Cap
$16,490,749,979.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
17.1 LINKValue
$442.04 ( ~0.129865416812439 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $25.77 0.0075739 Eth | $120,364,297.00 4,766,584.040 LINK | 22.8815% |
2 | Coinbase Exchange | LINK-USD | $25.79 0.0075791 Eth | $51,813,709.00 2,008,828.340 LINK | 9.6432% |
3 | Bybit | LINK-USDT | $25.78 0.0075768 Eth | $39,054,889.00 1,548,346.086 LINK | 7.4327% |
4 | P2B | LINK-USDT | $25.79 0.0076005 Eth | $25,586,190.00 991,936.710 LINK | 4.7617% |
5 | OKX | LINK-USDT | $25.77 0.0075745 Eth | $19,545,047.00 770,851.717 LINK | 3.7004% |
6 | Gate.io | LINK-USDT | $25.77 0.0075735 Eth | $19,311,746.00 767,158.340 LINK | 3.6827% |
7 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.88 0.0076103 Eth | $16,021,027.00 616,379.221 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.9589% |
8 | DigiFinex | LINK-USDT | $25.77 0.0075723 Eth | $15,895,175.00 616,899.360 LINK | 2.9614% |
9 | MEXC | LINK-USDT | $25.84 0.0076005 Eth | $15,645,444.00 605,581.270 LINK | 2.9070% |
10 | HTX | LINK-USDT | $25.79 0.0075796 Eth | $12,261,141.00 491,280.135 LINK | 2.3583% |
11 | XT.COM | LINK-USDT | $25.82 0.0075936 Eth | $11,886,274.00 470,841.150 LINK | 2.2602% |
12 | Azbit | LINK-USDT | $25.79 0.0075802 Eth | $11,798,526.00 467,145.575 LINK | 2.2425% |
13 | Coinstore | LINK-USDT | $25.82 0.0075882 Eth | $10,174,505.00 403,902.720 LINK | 1.9389% |
14 | Bitunix | LINK-USDT | $25.80 0.0075788 Eth | $9,718,009.00 376,803.440 LINK | 1.8088% |
15 | Binance | LINK-USDC | $25.77 0.0075720 Eth | $8,150,187.00 322,868.090 LINK | 1.5499% |
16 | Binance | LINK-FDUSD | $25.86 0.0075993 Eth | $7,998,335.00 317,025.060 LINK | 1.5218% |
17 | CoinW | LINK-USDT | $25.79 0.0075772 Eth | $7,985,438.00 309,676.600 LINK | 1.4866% |
18 | KuCoin | LINK-USDT | $25.79 0.0075781 Eth | $7,939,681.00 307,863.954 LINK | 1.4779% |
19 | BYDFi | LINK-USDT | $25.82 0.0075950 Eth | $6,745,323.00 261,220.080 LINK | 1.2540% |
20 | LBank | LINK-USDT | $25.84 0.0076007 Eth | $5,975,701.00 231,232.190 LINK | 1.1100% |
21 | LATOKEN | LINK-USDT | $25.85 0.0076062 Eth | $5,835,442.00 225,739.259 LINK | 1.0836% |
22 | BTSE | LINK-USDT | $25.77 0.0075733 Eth | $5,799,448.00 225,016.864 LINK | 1.0802% |
23 | Kraken | LINK-USD | $25.79 0.0075799 Eth | $5,763,391.00 223,457.323 LINK | 1.0727% |
24 | QMall | LINK-USDT | $25.81 0.0075843 Eth | $4,939,882.00 195,554.679 LINK | 0.9387% |
25 | Hotcoin | LINK-USDT | $25.85 0.0076051 Eth | $4,891,441.00 189,202.896 LINK | 0.9083% |
26 | Bitvavo | LINK-EUR | $25.81 0.0075826 Eth | $4,418,231.00 171,214.433 LINK | 0.8219% |
27 | Coinbase Exchange | LINK-EUR | $25.84 0.0075949 Eth | $3,932,002.00 152,157.570 LINK | 0.7304% |
28 | FMCPAY | LINK-USDT | $25.84 0.0075995 Eth | $3,775,111.00 150,525.338 LINK | 0.7226% |
29 | Dex-Trade | LINK-USDT | $25.89 0.0076093 Eth | $3,678,131.00 142,054.451 LINK | 0.6819% |
30 | CoinEx | LINK-USDT | $25.81 0.0075942 Eth | $2,832,903.00 112,157.197 LINK | 0.5384% |
31 | Biconomy.com | LINK-USDT | $25.80 0.0075807 Eth | $2,428,378.00 96,638.570 LINK | 0.4639% |
32 | PointPay | LINK-USDT | $25.85 0.0076043 Eth | $1,912,050.00 75,733.647 LINK | 0.3636% |
33 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.77 0.0075786 Eth | $1,864,641.00 72,193.540 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3466% |
34 | FMCPAY | LINK-ETH | $25.81 0.0075907 Eth | $1,840,341.00 71,130.720 LINK | 0.3415% |
35 | Coinbase Exchange | LINK-GBP | $25.83 0.0075916 Eth | $1,758,751.00 68,088.670 LINK | 0.3269% |
36 | FMCPAY | LINK-BTC | $25.83 0.0075976 Eth | $1,656,721.00 66,066.700 LINK | 0.3171% |
37 | Phemex | LINK-USDT | $25.77 0.0075730 Eth | $1,366,389.00 53,018.930 LINK | 0.2545% |
38 | EXMO | LINK-USDT | $25.82 0.0075873 Eth | $1,303,087.00 50,466.410 LINK | 0.2423% |
39 | tanX | LINK-USDC | $25.76 0.0075686 Eth | $1,253,585.00 50,085.520 LINK | 0.2404% |
40 | Binance | LINK-TRY | $25.77 0.0075825 Eth | $1,159,821.00 46,019.250 LINK | 0.2209% |
41 | Bybit | LINK-USDC | $25.80 0.0075812 Eth | $1,126,365.00 44,464.647 LINK | 0.2134% |
42 | Kraken | LINK-USDT | $25.81 0.0075849 Eth | $1,069,690.00 41,446.154 LINK | 0.1990% |
43 | BitStorage | LINK-USDT | $25.80 0.0075822 Eth | $987,616.00 38,275.080 LINK | 0.1837% |
44 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.79 0.0075808 Eth | $978,928.00 37,759.764 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1813% |
45 | Gemini | LINK-USD | $25.76 0.0075715 Eth | $924,982.00 35,902.726 LINK | 0.1723% |
46 | EarnBIT | LINK-USDT | $25.86 0.0075985 Eth | $916,594.00 36,156.538 LINK | 0.1736% |
47 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $25.84 0.0075995 Eth | $896,236.00 71,518.020 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3433% |
48 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.87 0.0076029 Eth | $891,497.00 34,313.988 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1647% |
49 | Bitbank | LINK-JPY | $25.84 0.0075930 Eth | $879,817.00 34,048.858 LINK | 0.1634% |
50 | Trubit | LINK-USDT | $25.78 0.0075765 Eth | $864,233.00 34,668.480 LINK | 0.1664% |
51 | Coinbase Exchange | LINK-USDT | $25.77 0.0075739 Eth | $834,919.00 32,396.705 LINK | 0.1555% |
52 | itBit | LINK-USD | $25.83 0.0075969 Eth | $802,117.00 31,053.696 LINK | 0.1491% |
53 | WhiteBIT | LINK-TRY | $25.79 0.0075807 Eth | $771,190.00 29,899.100 LINK | 0.1435% |
54 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.79 0.0075776 Eth | $755,235.00 29,013.426 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1393% |
55 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.81 0.0075859 Eth | $732,244.00 28,827.262 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1384% |
56 | Binance | LINK-EUR | $25.78 0.0075935 Eth | $730,051.00 28,850.410 LINK | 0.1385% |
57 | OKX | LINK-USDC | $25.77 0.0075723 Eth | $700,011.00 27,700.877 LINK | 0.1330% |
58 | BigONE | LINK-USDT | $25.75 0.0075640 Eth | $693,891.00 26,951.460 LINK | 0.1294% |
59 | QMall | LINK-USDC | $25.80 0.0075807 Eth | $665,356.00 26,358.813 LINK | 0.1265% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.84 0.0075941 Eth | $649,683.00 25,630.651 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1230% |
61 | HashKey Exchange | LINK-USD | $25.76 0.0075690 Eth | $632,716.00 25,242.212 LINK | 0.1212% |
62 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.80 0.0075818 Eth | $527,739.00 515,149.411 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.4729% |
63 | LATOKEN | LINK-BTC | $25.79 0.0075769 Eth | $520,245.00 20,176.044 LINK | 0.0969% |
64 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $25.91 0.0076194 Eth | $512,037.00 20,419.390 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0980% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.83 0.0075908 Eth | $461,652.00 17,808.460 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0855% |
66 | Coinbase Exchange | LINK-ETH | $25.92 0.0076216 Eth | $430,941.00 16,628.070 LINK | 0.0798% |
67 | Coinbase Exchange | LINK-BTC | $25.79 0.0075787 Eth | $406,064.00 15,744.070 LINK | 0.0756% |
68 | Kraken | LINK-GBP | $25.79 0.0075791 Eth | $374,882.00 14,536.372 LINK | 0.0698% |
69 | WhiteBIT | LINK-BTC | $25.83 0.0075903 Eth | $357,138.00 13,828.720 LINK | 0.0664% |
70 | GMO Japan | LINK-JPY | $25.89 0.0076050 Eth | $347,491.00 13,424.400 LINK | 0.0644% |
71 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.86 0.0076021 Eth | $298,798.00 11,855.088 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0569% |
72 | BitMart | LINK-BTC | $25.83 0.0075920 Eth | $291,194.00 11,272.120 LINK | 0.0541% |
73 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $25.79 0.0075808 Eth | $262,692.00 10,520.000 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0505% |
74 | Tokpie | LINK-USDT | $25.94 0.0076246 Eth | $259,597.00 10,005.993 LINK | 0.0480% |
75 | WhiteBIT | LINK-EUR | $25.86 0.0076001 Eth | $252,193.00 9,750.550 LINK | 0.0468% |
76 | bitcastle | LINK-USDT | $25.83 0.0075965 Eth | $244,835.00 9,721.660 LINK | 0.0467% |
77 | BitStorage | LINK-ETH | $25.83 0.0075980 Eth | $228,627.00 8,852.780 LINK | 0.0425% |
78 | Slex | LINK-ETH | $25.79 0.0075857 Eth | $215,854.00 8,345.040 LINK | 0.0401% |
79 | Bitkub | LINK-THB | $25.92 0.0076183 Eth | $207,027.00 7,988.378 LINK | 0.0383% |
80 | PointPay | LINK-BTC | $25.79 0.0075783 Eth | $205,140.00 8,070.985 LINK | 0.0387% |
81 | Foxbit | LINK-BRL | $25.86 0.0076015 Eth | $192,212.00 7,462.811 LINK | 0.0358% |
82 | Nonkyc.io | LINK-BTC | $25.74 0.0075689 Eth | $181,217.00 7,141.191 LINK | 0.0343% |
83 | Hotcoin | LINK-BTC | $25.79 0.0075767 Eth | $170,629.00 6,616.370 LINK | 0.0318% |
84 | Binance US | LINK-USDT | $25.81 0.0075898 Eth | $168,681.00 6,535.198 LINK | 0.0314% |
85 | Bitso | LINK-USD | $25.86 0.0075977 Eth | $159,199.00 6,156.161 LINK | 0.0296% |
86 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $25.78 0.0075754 Eth | $154,748.00 5,987.212 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0287% |
87 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.82 0.0075929 Eth | $154,506.00 6,192.806 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0297% |
88 | BYDFi | LINK-USDC | $25.80 0.0075799 Eth | $138,933.00 5,385.910 LINK | 0.0259% |
89 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.95 0.0076265 Eth | $138,463.00 5,290.802 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0254% |
90 | KuCoin | LINK-USDC | $25.77 0.0075720 Eth | $134,466.00 5,218.186 LINK | 0.0250% |
91 | CoinTR | LINK-TRY | $25.73 0.0075614 Eth | $124,815.00 5,011.690 LINK | 0.0241% |
92 | Mercado Bitcoin | LINK-BRL | $25.85 0.0075951 Eth | $120,666.00 4,667.624 LINK | 0.0224% |
93 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.76 0.0075766 Eth | $105,228.00 102,289.307 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4910% |
94 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $25.73 0.0075679 Eth | $92,363.00 3,670.273 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0176% |
95 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.79 0.0075803 Eth | $91,810.00 89,118.572 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4278% |
96 | BitMart | LINK-ETH | $25.82 0.0075878 Eth | $86,551.00 3,352.260 LINK | 0.0161% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $25.86 0.0076005 Eth | $70,410.00 2,087.056 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0100% |
98 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.92 0.0076165 Eth | $67,860.00 2,672.222 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0128% |
99 | Hotcoin | LINK-ETH | $25.82 0.0075947 Eth | $52,708.00 2,040.960 LINK | 0.0098% |
100 | Dex-Trade | LINK-ETH | $25.83 0.0075980 Eth | $29,675.00 1,148.680 LINK | 0.0055% |
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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