ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
734,070 ( 0.007%)
Market
Price
$18.54 @ 0.007045 ETH (-4.76%)
Onchain Market Cap
$18,540,000,000.00
Circulating Supply Market Cap
$11,822,659,404.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $18.54 0.0070654 Eth | $34,998,580.00 1,888,033.570 LINK | 14.7706% |
2 | ![]() | LINK-USD | $18.55 0.0070783 Eth | $26,009,623.00 1,402,136.020 LINK | 10.9693% |
3 | ![]() | LINK-USDT | $18.58 0.0070748 Eth | $21,338,521.00 1,137,251.199 LINK | 8.8970% |
4 | ![]() | LINK-USDT | $18.57 0.0070802 Eth | $19,175,740.00 1,019,866.783 LINK | 7.9787% |
5 | ![]() | LINK-USDT | $18.50 0.0070559 Eth | $13,074,558.00 706,743.850 LINK | 5.5290% |
6 | ![]() | LINK-USDT | $18.59 0.0070773 Eth | $7,594,116.00 408,559.050 LINK | 3.1963% |
7 | ![]() | LINK-USDT | $18.60 0.0070809 Eth | $7,138,223.00 378,969.992 LINK | 2.9648% |
8 | ![]() | LINK-USDT | $18.51 0.0070641 Eth | $6,303,311.00 335,815.750 LINK | 2.6272% |
9 | ![]() | LINK-USDT | $18.59 0.0070788 Eth | $6,206,370.00 328,854.100 LINK | 2.5727% |
10 | ![]() | LINK-USDT | $18.46 0.0070456 Eth | $5,614,412.00 299,234.400 LINK | 2.3410% |
11 | ![]() | LINK-USDT | $18.55 0.0070633 Eth | $5,351,711.00 288,518.350 LINK | 2.2572% |
12 | ![]() | LINK-USDT | $18.50 0.0070609 Eth | $4,577,814.00 247,436.780 LINK | 1.9358% |
13 | ![]() | LINK-USDT | $18.52 0.0070717 Eth | $4,456,564.00 240,638.430 LINK | 1.8826% |
14 | ![]() | LINK-USDT | $18.57 0.0070792 Eth | $4,353,844.00 234,395.510 LINK | 1.8337% |
15 | ![]() | LINK-USDT | $18.60 0.0070822 Eth | $4,313,662.00 231,881.399 LINK | 1.8141% |
16 | ![]() | LINK-USDT | $18.59 0.0070761 Eth | $4,213,021.00 226,666.149 LINK | 1.7733% |
17 | ![]() | LINK-FDUSD | $18.57 0.0070809 Eth | $4,142,107.00 220,666.320 LINK | 1.7263% |
18 | ![]() | LINK-USDT | $18.54 0.0070576 Eth | $3,744,882.00 199,598.178 LINK | 1.5615% |
19 | ![]() | LINK-USDT | $18.52 0.0070677 Eth | $3,512,977.00 189,690.740 LINK | 1.4840% |
20 | ![]() | LINK-USDT | $18.54 0.0070659 Eth | $3,068,961.00 165,548.720 LINK | 1.2951% |
21 | ![]() | LINK-USD | $18.59 0.0070764 Eth | $2,680,668.00 144,217.792 LINK | 1.1283% |
22 | ![]() | LINK-USDT | $18.50 0.0070593 Eth | $2,560,846.00 136,392.182 LINK | 1.0670% |
23 | ![]() | LINK-EUR | $18.57 0.0070763 Eth | $2,221,704.00 119,669.310 LINK | 0.9362% |
24 | ![]() | LINK-USDT | $18.52 0.0070677 Eth | $2,189,606.00 116,579.278 LINK | 0.9120% |
25 | ![]() | LINK-USDT | $18.56 0.0070788 Eth | $2,051,619.00 110,541.560 LINK | 0.8648% |
26 | ![]() | LINK-EUR | $18.55 0.0070706 Eth | $1,665,865.00 89,800.755 LINK | 0.7025% |
27 | ![]() | LINK-GBP | $18.57 0.0070775 Eth | $1,613,351.00 86,886.950 LINK | 0.6797% |
28 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.48 0.0070450 Eth | $1,463,693.00 78,072.921 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.6108% |
29 | ![]() | LINK-USDT | $18.55 0.0070696 Eth | $1,402,138.00 74,498.000 LINK | 0.5828% |
30 | ![]() | LINK-ETH | $18.48 0.0070540 Eth | $1,232,661.00 65,768.000 LINK | 0.5145% |
31 | ![]() | LINK-BTC | $18.57 0.0070810 Eth | $1,197,040.00 63,749.010 LINK | 0.4987% |
32 | ![]() | LINK-USDT | $18.53 0.0070625 Eth | $1,164,562.00 61,533.175 LINK | 0.4814% |
33 | ![]() | LINK-USDT | $18.54 0.0070663 Eth | $1,056,969.00 56,303.166 LINK | 0.4405% |
34 | ![]() | LINK-BTC | $18.51 0.0070659 Eth | $1,037,220.00 55,258.700 LINK | 0.4323% |
35 | ![]() | LINK-USDT | $18.48 0.0070516 Eth | $855,265.00 45,492.810 LINK | 0.3559% |
36 | ![]() | LINK-ETH | $18.57 0.0070691 Eth | $784,202.00 41,928.390 LINK | 0.3280% |
37 | ![]() | LINK-USDC | $18.58 0.0070753 Eth | $767,088.00 40,823.860 LINK | 0.3194% |
38 | ![]() | LINK-USDT | $18.56 0.0070773 Eth | $646,069.00 34,800.820 LINK | 0.2723% |
39 | ![]() | LINK-JPY | $18.56 0.0070840 Eth | $640,607.00 34,508.673 LINK | 0.2700% |
40 | ![]() | LINK-USDT | $18.61 0.0070854 Eth | $637,457.00 34,251.094 LINK | 0.2680% |
41 | ![]() | LINK-USDT | $18.55 0.0070617 Eth | $576,111.00 31,058.730 LINK | 0.2430% |
42 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.53 0.0070642 Eth | $568,698.00 30,301.591 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2371% |
43 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.66 0.0071043 Eth | $534,685.00 56,670.821 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.4433% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.52 0.0070592 Eth | $487,826.00 26,105.796 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2042% |
45 | ![]() | LINK-USD | $18.57 0.0070707 Eth | $481,221.00 25,913.878 LINK | 0.2027% |
46 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.45 0.0070317 Eth | $455,340.00 24,316.618 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1902% |
47 | ![]() | LINK-USD | $18.55 0.0070824 Eth | $453,363.00 24,066.822 LINK | 0.1883% |
48 | ![]() | LINK-USDC | $18.57 0.0070795 Eth | $440,362.00 23,475.303 LINK | 0.1837% |
49 | ![]() | LINK-JPY | $18.55 0.0070748 Eth | $437,411.00 23,581.000 LINK | 0.1845% |
50 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.59 0.0070881 Eth | $410,722.00 21,487.883 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1681% |
51 | ![]() | LINK-TRY | $18.54 0.0070776 Eth | $381,637.00 20,286.810 LINK | 0.1587% |
52 | ![]() | LINK-BTC | $18.43 0.0070487 Eth | $378,510.00 20,534.640 LINK | 0.1606% |
53 | ![]() | LINK-USD | $18.56 0.0070677 Eth | $372,738.00 20,080.291 LINK | 0.1571% |
54 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.55 0.0070637 Eth | $340,383.00 18,113.172 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1417% |
55 | ![]() | LINK-USDC | $18.52 0.0070717 Eth | $329,838.00 17,537.200 LINK | 0.1372% |
56 | ![]() | LINK-USDC | $18.48 0.0070367 Eth | $325,567.00 17,413.338 LINK | 0.1362% |
57 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.57 0.0070783 Eth | $322,715.00 17,266.876 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1351% |
58 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.48 0.0070422 Eth | $318,364.00 16,990.531 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1329% |
59 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.59 0.0070843 Eth | $301,665.00 16,003.978 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1252% |
60 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.53 0.0070642 Eth | $297,128.00 301,178.121 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3562% |
61 | ![]() | LINK-EUR | $18.53 0.0070687 Eth | $252,683.00 13,413.820 LINK | 0.1049% |
62 | ![]() | LINK-BTC | $18.54 0.0070677 Eth | $248,837.00 13,419.320 LINK | 0.1050% |
63 | ![]() | LINK-USDT | $18.57 0.0070776 Eth | $238,119.00 12,656.000 LINK | 0.0990% |
64 | ![]() | LINK-USDC | $18.59 0.0070801 Eth | $217,404.00 11,589.282 LINK | 0.0907% |
65 | ![]() | LINK-ETH | $18.55 0.0070631 Eth | $206,268.00 10,982.750 LINK | 0.0859% |
66 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.48 0.0070372 Eth | $198,925.00 10,660.990 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0834% |
67 | ![]() | LINK-TRY | $18.61 0.0070875 Eth | $193,753.00 10,294.940 LINK | 0.0805% |
68 | ![]() | LINK-ETH | $18.39 0.0070333 Eth | $162,550.00 8,837.220 LINK | 0.0691% |
69 | ![]() | LINK-BTC | $18.50 0.0070631 Eth | $152,629.00 8,248.170 LINK | 0.0645% |
70 | ![]() | LINK-BTC | $18.54 0.0070742 Eth | $149,677.00 8,071.965 LINK | 0.0631% |
71 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.50 0.0070603 Eth | $147,339.00 7,834.052 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0613% |
72 | ![]() | LINK-USDT | $18.52 0.0070500 Eth | $139,303.00 7,420.530 LINK | 0.0581% |
73 | ![]() | LINK-USDC | $18.43 0.0070490 Eth | $139,005.00 7,541.890 LINK | 0.0590% |
74 | ![]() | LINK-THB | $18.58 0.0070833 Eth | $136,035.00 7,320.100 LINK | 0.0573% |
75 | ![]() | LINK-EUR | $18.47 0.0070482 Eth | $126,988.00 6,875.430 LINK | 0.0538% |
76 | ![]() | LINK-TRY | $18.58 0.0070852 Eth | $113,743.00 6,050.160 LINK | 0.0473% |
77 | ![]() | LINK-USDC | $18.54 0.0070594 Eth | $112,726.00 6,079.167 LINK | 0.0476% |
78 | ![]() | LINK-TRY | $18.49 0.0070553 Eth | $104,098.00 5,630.400 LINK | 0.0440% |
79 | ![]() | LINK-ETH | $18.49 0.0070485 Eth | $98,537.00 5,328.820 LINK | 0.0417% |
80 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.46 0.0070369 Eth | $91,731.00 4,884.084 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0382% |
81 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.46 0.0070296 Eth | $87,046.00 88,519.616 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.6925% |
82 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.48 0.0070450 Eth | $86,821.00 88,168.133 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6898% |
83 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.58 0.0070752 Eth | $74,307.00 3,968.635 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0310% |
84 | ![]() | LINK-ETH | $18.54 0.0070663 Eth | $68,701.00 3,705.640 LINK | 0.0290% |
85 | ![]() | LINK-BNB | $18.51 0.0070560 Eth | $65,023.00 3,374.897 LINK | 0.0264% |
86 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.51 0.0070468 Eth | $49,286.00 2,625.691 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0205% |
87 | ![]() | LINK-USD | $18.54 0.0070737 Eth | $47,254.00 2,549.050 LINK | 0.0199% |
88 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.60 0.0070912 Eth | $45,573.00 2,382.716 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0186% |
89 | ![]() | LINK-ETH | $18.45 0.0070540 Eth | $42,777.00 2,317.990 LINK | 0.0181% |
90 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.54 0.0070608 Eth | $39,691.00 2,115.344 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0165% |
91 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.51 0.0070563 Eth | $37,792.00 2,014.341 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0158% |
92 | ![]() | LINK-BRL | $18.57 0.0070782 Eth | $37,696.00 1,992.143 LINK | 0.0156% |
93 | ![]() | LINK-BRL | $18.50 0.0070456 Eth | $34,993.00 1,891.261 LINK | 0.0148% |
94 | ![]() | LINK-GBP | $18.52 0.0070511 Eth | $32,759.00 1,768.977 LINK | 0.0138% |
95 | ![]() | LINK-BRL | $18.57 0.0070784 Eth | $31,743.00 1,676.230 LINK | 0.0131% |
96 | ![]() | LINK-IDR | $18.71 0.0071454 Eth | $31,523.00 1,684.392 LINK | 0.0132% |
97 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.48 0.0070460 Eth | $24,448.00 1,308.670 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0102% |
98 | ![]() | LINK-ETH | $18.49 0.0070623 Eth | $23,889.00 1,292.040 LINK | 0.0101% |
99 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.46 0.0070271 Eth | $21,226.00 1,142.735 0X5947BB275C521040051D82396192181B413227A3 | 0.0089% |
100 | ![]() | LINK-TRY | $18.36 0.0069910 Eth | $14,917.34 812.349 LINK | 0.0064% |
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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