ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,981 ( 0.003%)
Market
Price
$24.95 @ 0.007564 ETH (-0.76%)
Onchain Market Cap
$24,950,000,000.00
Circulating Supply Market Cap
$15,947,031,216.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.29313501062200947 LINKValue
$7.31 ( ~0.00221616553943186 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $24.94 0.0075666 Eth | $116,657,817.00 4,527,616.150 LINK | 19.1119% |
2 | Coinbase Exchange | LINK-USD | $24.92 0.0075583 Eth | $57,366,855.00 2,301,856.010 LINK | 9.7166% |
3 | WhiteBIT | LINK-USDT | $25.06 0.0075914 Eth | $48,069,671.00 1,918,299.620 LINK | 8.0975% |
4 | Bybit | LINK-USDT | $24.91 0.0075591 Eth | $40,255,937.00 1,561,213.811 LINK | 6.5902% |
5 | P2B | LINK-USDT | $25.03 0.0075827 Eth | $23,735,598.00 948,346.990 LINK | 4.0031% |
6 | OKX | LINK-USDT | $24.95 0.0075691 Eth | $19,244,822.00 747,105.580 LINK | 3.1537% |
7 | HTX | LINK-USDT | $24.94 0.0075671 Eth | $18,019,216.00 699,414.234 LINK | 2.9524% |
8 | Gate.io | LINK-USDT | $24.91 0.0075598 Eth | $15,936,716.00 617,030.220 LINK | 2.6046% |
9 | DigiFinex | LINK-USDT | $24.94 0.0075682 Eth | $14,685,150.00 588,763.580 LINK | 2.4853% |
10 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.08 0.0076052 Eth | $14,011,354.00 553,444.182 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.3362% |
11 | XT.COM | LINK-USDT | $24.99 0.0075738 Eth | $11,729,065.00 455,054.750 LINK | 1.9209% |
12 | Azbit | LINK-USDT | $24.99 0.0075748 Eth | $11,610,751.00 450,620.928 LINK | 1.9022% |
13 | MEXC | LINK-USDT | $25.02 0.0075766 Eth | $11,415,812.00 456,270.010 LINK | 1.9260% |
14 | Binance | LINK-FDUSD | $24.95 0.0075696 Eth | $10,824,881.00 419,862.700 LINK | 1.7723% |
15 | Coinstore | LINK-USDT | $25.04 0.0075889 Eth | $10,296,967.00 399,952.640 LINK | 1.6883% |
16 | Bitunix | LINK-USDT | $25.00 0.0075789 Eth | $9,012,888.00 360,395.770 LINK | 1.5213% |
17 | Binance | LINK-USDC | $25.09 0.0076056 Eth | $8,864,117.00 343,041.100 LINK | 1.4480% |
18 | KuCoin | LINK-USDT | $24.95 0.0075670 Eth | $8,343,216.00 334,403.990 LINK | 1.4116% |
19 | CoinW | LINK-USDT | $25.06 0.0075927 Eth | $7,392,314.00 294,999.740 LINK | 1.2452% |
20 | BTSE | LINK-USDT | $25.01 0.0075811 Eth | $6,872,236.00 274,775.633 LINK | 1.1599% |
21 | Kraken | LINK-USD | $25.00 0.0075869 Eth | $6,645,218.00 265,764.913 LINK | 1.1218% |
22 | BYDFi | LINK-USDT | $24.96 0.0075631 Eth | $6,348,411.00 254,358.790 LINK | 1.0737% |
23 | Hotcoin | LINK-USDT | $25.02 0.0075795 Eth | $6,027,384.00 240,916.090 LINK | 1.0170% |
24 | LATOKEN | LINK-USDT | $25.05 0.0075945 Eth | $5,656,282.00 225,756.984 LINK | 0.9530% |
25 | LBank | LINK-USDT | $25.01 0.0075798 Eth | $5,525,980.00 220,934.320 LINK | 0.9326% |
26 | Sushiswap | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.98 0.0075720 Eth | $5,196,771.00 52,398.194 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.2212% |
27 | QMall | LINK-USDT | $24.99 0.0075768 Eth | $4,801,007.00 186,206.371 LINK | 0.7860% |
28 | Coinbase Exchange | LINK-EUR | $25.05 0.0075916 Eth | $4,499,796.00 179,626.560 LINK | 0.7582% |
29 | FMCPAY | LINK-USDT | $25.06 0.0075919 Eth | $3,807,363.00 148,095.658 LINK | 0.6251% |
30 | Bitvavo | LINK-EUR | $25.07 0.0076004 Eth | $3,689,368.00 147,139.507 LINK | 0.6211% |
31 | Dex-Trade | LINK-USDT | $24.92 0.0075573 Eth | $3,497,338.00 140,357.660 LINK | 0.5925% |
32 | WhiteBIT | LINK-BTC | $24.99 0.0075735 Eth | $2,938,487.00 117,608.870 LINK | 0.4964% |
33 | Coinbase Exchange | LINK-GBP | $24.97 0.0075763 Eth | $2,828,969.00 113,299.210 LINK | 0.4783% |
34 | CoinEx | LINK-USDT | $25.06 0.0075924 Eth | $2,827,336.00 109,267.237 LINK | 0.4612% |
35 | Biconomy.com | LINK-USDT | $24.94 0.0075605 Eth | $2,686,360.00 104,350.200 LINK | 0.4405% |
36 | WhiteBIT | LINK-TRY | $25.09 0.0076047 Eth | $2,210,163.00 88,095.890 LINK | 0.3719% |
37 | PointPay | LINK-USDT | $24.93 0.0075603 Eth | $1,919,300.00 74,436.671 LINK | 0.3142% |
38 | FMCPAY | LINK-ETH | $25.01 0.0075810 Eth | $1,750,933.00 69,289.120 LINK | 0.2925% |
39 | FMCPAY | LINK-BTC | $25.01 0.0075760 Eth | $1,663,847.00 64,950.500 LINK | 0.2742% |
40 | Kraken | LINK-EUR | $25.07 0.0075982 Eth | $1,632,870.00 65,140.477 LINK | 0.2750% |
41 | tanX | LINK-USDC | $24.95 0.0075658 Eth | $1,546,053.00 60,153.320 LINK | 0.2539% |
42 | EXMO | LINK-USDT | $24.94 0.0075672 Eth | $1,249,147.00 50,088.430 LINK | 0.2114% |
43 | Phemex | LINK-USDT | $25.00 0.0075798 Eth | $1,222,862.00 48,908.730 LINK | 0.2065% |
44 | OKX | LINK-USDC | $24.96 0.0075722 Eth | $1,198,304.00 46,672.192 LINK | 0.1970% |
45 | Gemini | LINK-USD | $24.95 0.0075692 Eth | $1,091,289.00 43,746.527 LINK | 0.1847% |
46 | Tokpie | LINK-USDT | $25.21 0.0076366 Eth | $1,042,560.00 41,350.251 LINK | 0.1745% |
47 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.01 0.0075829 Eth | $974,196.00 38,545.899 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1627% |
48 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.99 0.0075829 Eth | $967,573.00 38,349.269 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1619% |
49 | EarnBIT | LINK-USDT | $24.92 0.0075579 Eth | $923,009.00 35,850.839 LINK | 0.1513% |
50 | BitStorage | LINK-USDT | $24.91 0.0075575 Eth | $902,542.00 36,235.920 LINK | 0.1530% |
51 | BigONE | LINK-USDT | $24.90 0.0075444 Eth | $884,964.00 35,544.730 LINK | 0.1500% |
52 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $25.05 0.0076007 Eth | $867,663.00 33,850.603 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1429% |
53 | Bitbank | LINK-JPY | $25.08 0.0076065 Eth | $856,654.00 34,155.556 LINK | 0.1442% |
54 | Binance | LINK-TRY | $25.07 0.0076069 Eth | $802,500.00 31,036.290 LINK | 0.1310% |
55 | Bybit | LINK-USDC | $24.94 0.0075661 Eth | $796,671.00 30,890.456 LINK | 0.1304% |
56 | Kraken | LINK-USDT | $25.07 0.0075935 Eth | $776,079.00 30,961.974 LINK | 0.1307% |
57 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.09 0.0076047 Eth | $767,161.00 29,866.429 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1261% |
58 | Trubit | LINK-USDT | $24.92 0.0075620 Eth | $764,986.00 29,834.850 LINK | 0.1259% |
59 | Binance | LINK-EUR | $25.06 0.0075891 Eth | $749,868.00 28,969.380 LINK | 0.1223% |
60 | Coinbase Exchange | LINK-USDT | $24.99 0.0075748 Eth | $741,989.00 29,694.980 LINK | 0.1253% |
61 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.06 0.0076046 Eth | $740,857.00 29,134.820 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1230% |
62 | QMall | LINK-USDC | $24.96 0.0075670 Eth | $708,977.00 27,426.079 LINK | 0.1158% |
63 | WhiteBIT | LINK-EUR | $25.11 0.0076058 Eth | $691,322.00 27,536.740 LINK | 0.1162% |
64 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.08 0.0076028 Eth | $627,292.00 642,130.665 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7106% |
65 | Bitkub | LINK-THB | $25.25 0.0076540 Eth | $567,625.00 22,478.086 LINK | 0.0949% |
66 | LATOKEN | LINK-BTC | $25.00 0.0075738 Eth | $541,721.00 21,666.558 LINK | 0.0915% |
67 | HashKey Exchange | LINK-USD | $24.90 0.0075445 Eth | $533,433.00 20,705.805 LINK | 0.0874% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.96 0.0075722 Eth | $520,002.00 20,447.438 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0863% |
69 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $25.08 0.0076052 Eth | $519,578.00 41,646.559 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1758% |
70 | Kraken | LINK-XBT | $24.93 0.0075574 Eth | $483,931.00 19,413.650 LINK | 0.0819% |
71 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.08 0.0076025 Eth | $482,012.00 494,606.135 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.0878% |
72 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.08 0.0076007 Eth | $408,273.00 15,825.139 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0668% |
73 | itBit | LINK-USD | $24.99 0.0075744 Eth | $353,890.00 14,161.254 LINK | 0.0598% |
74 | Slex | LINK-ETH | $25.05 0.0075924 Eth | $343,593.00 13,572.180 LINK | 0.0573% |
75 | Uniswap V2 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.08 0.0076036 Eth | $326,855.00 12,812.585 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0541% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $25.06 0.0076046 Eth | $322,107.00 12,475.871 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0527% |
77 | BitDelta | LINK-USDT | $24.96 0.0075692 Eth | $307,456.00 11,958.000 LINK | 0.0505% |
78 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.02 0.0075850 Eth | $300,501.00 11,879.521 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0501% |
79 | BitMart | LINK-BTC | $24.99 0.0075787 Eth | $283,815.00 11,358.060 LINK | 0.0479% |
80 | GMO Japan | LINK-JPY | $25.05 0.0075937 Eth | $271,351.00 10,830.800 LINK | 0.0457% |
81 | Coinbase Exchange | LINK-BTC | $25.00 0.0075789 Eth | $253,203.00 10,126.190 LINK | 0.0427% |
82 | BitStorage | LINK-ETH | $25.06 0.0075924 Eth | $246,806.00 9,848.330 LINK | 0.0416% |
83 | bitcastle | LINK-USDT | $24.95 0.0075662 Eth | $239,625.00 9,299.960 LINK | 0.0393% |
84 | Hotcoin | LINK-BTC | $24.95 0.0075707 Eth | $224,386.00 8,993.310 LINK | 0.0380% |
85 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.91 0.0075597 Eth | $204,007.00 210,588.222 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.8889% |
86 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.08 0.0076073 Eth | $200,931.00 7,810.472 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0330% |
87 | Bitso | LINK-USD | $24.99 0.0075836 Eth | $196,751.00 7,872.268 LINK | 0.0332% |
88 | PointPay | LINK-BTC | $24.98 0.0075736 Eth | $195,025.00 7,588.288 LINK | 0.0320% |
89 | Binance US | LINK-USDT | $24.93 0.0075636 Eth | $179,945.00 7,218.764 LINK | 0.0305% |
90 | BYDFi | LINK-USDC | $25.05 0.0075939 Eth | $176,125.00 7,030.200 LINK | 0.0297% |
91 | CoinTR | LINK-TRY | $25.12 0.0076213 Eth | $169,784.00 6,582.460 LINK | 0.0278% |
92 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $25.10 0.0076127 Eth | $148,920.00 7,055.789 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0298% |
93 | Kraken | LINK-USDC | $25.09 0.0076131 Eth | $143,140.00 5,704.959 LINK | 0.0241% |
94 | Mercado Bitcoin | LINK-BRL | $24.99 0.0075777 Eth | $126,589.00 5,066.416 LINK | 0.0214% |
95 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.90 0.0075553 Eth | $109,288.00 4,283.796 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0181% |
96 | BitMart | LINK-ETH | $24.99 0.0075790 Eth | $106,310.00 4,254.260 LINK | 0.0180% |
97 | Coinbase Exchange | LINK-ETH | $25.03 0.0075937 Eth | $94,578.00 3,779.140 LINK | 0.0160% |
98 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.05 0.0076000 Eth | $86,607.00 3,425.928 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0145% |
99 | KuCoin | LINK-BTC | $24.97 0.0075742 Eth | $81,096.00 3,247.284 LINK | 0.0137% |
100 | KuCoin | LINK-USDC | $25.03 0.0075911 Eth | $75,379.00 3,011.679 LINK | 0.0127% |
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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