ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
738,023 ( 0.125%)
Market
Price
$17.37 @ 0.006537 ETH (-5.24%)
Onchain Market Cap
$17,370,000,000.00
Circulating Supply Market Cap
$11,092,635,867.00
Other Info
Token Contract (WITH 18 Decimals)
Filtered by Token Holder
Binance Dep: 0x128D5cCD8d9C130fD248bb3e1f99c01C11222517Balance
0 LINKValue
$0.00Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $17.37 0.0065422 Eth | $86,703,924.00 4,991,141.300 LINK | 20.3226% |
2 | ![]() | LINK-USDT | $17.25 0.0064975 Eth | $58,664,164.00 3,260,308.183 LINK | 13.2751% |
3 | ![]() | LINK-USD | $17.37 0.0065424 Eth | $29,433,244.00 1,694,780.010 LINK | 6.9007% |
4 | ![]() | LINK-USDT | $17.38 0.0065461 Eth | $27,008,415.00 1,497,784.549 LINK | 6.0986% |
5 | ![]() | LINK-USDT | $17.37 0.0065419 Eth | $18,869,110.00 1,041,052.059 LINK | 4.2389% |
6 | ![]() | LINK-USDT | $17.40 0.0065559 Eth | $14,568,241.00 837,191.690 LINK | 3.4088% |
7 | ![]() | LINK-USDT | $17.37 0.0065413 Eth | $11,805,562.00 648,730.020 LINK | 2.6415% |
8 | ![]() | LINK-USDT | $17.39 0.0065497 Eth | $11,511,640.00 639,002.482 LINK | 2.6018% |
9 | ![]() | LINK-USDT | $17.38 0.0065472 Eth | $10,121,028.00 582,174.960 LINK | 2.3705% |
10 | ![]() | LINK-USDT | $17.36 0.0065376 Eth | $8,542,901.00 492,076.224 LINK | 2.0036% |
11 | ![]() | LINK-USDT | $17.41 0.0065639 Eth | $8,148,673.00 449,694.410 LINK | 1.8310% |
12 | ![]() | LINK-EUR | $17.41 0.0065577 Eth | $7,603,592.00 436,663.700 LINK | 1.7780% |
13 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.39 0.0065469 Eth | $7,486,483.00 424,012.309 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.7265% |
14 | ![]() | LINK-USDT | $17.37 0.0065427 Eth | $7,346,838.00 422,944.800 LINK | 1.7221% |
15 | ![]() | LINK-USDC | $17.36 0.0065378 Eth | $7,270,397.00 418,803.070 LINK | 1.7053% |
16 | ![]() | LINK-USDT | $17.41 0.0065549 Eth | $7,096,961.00 407,561.420 LINK | 1.6595% |
17 | ![]() | LINK-USDT | $17.27 0.0065424 Eth | $6,992,782.00 385,905.080 LINK | 1.5713% |
18 | ![]() | LINK-FDUSD | $17.54 0.0066118 Eth | $6,625,714.00 361,682.150 LINK | 1.4727% |
19 | ![]() | LINK-USD | $17.38 0.0065451 Eth | $6,531,724.00 375,829.013 LINK | 1.5303% |
20 | ![]() | LINK-USDT | $17.36 0.0065635 Eth | $5,831,889.00 335,946.470 LINK | 1.3679% |
21 | ![]() | LINK-USDT | $17.37 0.0065408 Eth | $5,287,245.00 304,552.820 LINK | 1.2401% |
22 | ![]() | LINK-USDT | $17.39 0.0065475 Eth | $4,932,587.00 271,962.575 LINK | 1.1074% |
23 | ![]() | LINK-USDT | $17.39 0.0065478 Eth | $4,447,490.00 255,724.720 LINK | 1.0412% |
24 | ![]() | LINK-USDT | $17.38 0.0065419 Eth | $4,199,170.00 241,641.118 LINK | 0.9839% |
25 | ![]() | LINK-USDT | $17.37 0.0065419 Eth | $3,783,913.00 217,811.558 LINK | 0.8869% |
26 | ![]() | LINK-USDT | $17.39 0.0065498 Eth | $3,440,921.00 189,882.846 LINK | 0.7732% |
27 | ![]() | LINK-EUR | $17.42 0.0065582 Eth | $3,204,318.00 183,953.192 LINK | 0.7490% |
28 | ![]() | LINK-USDT | $17.39 0.0065478 Eth | $2,520,935.00 138,942.603 LINK | 0.5657% |
29 | ![]() | LINK-USDT | $17.41 0.0065617 Eth | $2,451,714.00 140,805.037 LINK | 0.5733% |
30 | ![]() | LINK-USDT | $17.31 0.0065523 Eth | $2,370,453.00 133,793.016 LINK | 0.5448% |
31 | ![]() | LINK-GBP | $17.38 0.0065459 Eth | $2,267,287.00 130,441.480 LINK | 0.5311% |
32 | ![]() | LINK-USDT | $17.39 0.0065480 Eth | $1,697,328.00 93,988.120 LINK | 0.3827% |
33 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.37 0.0065424 Eth | $1,582,106.00 89,757.634 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3655% |
34 | ![]() | LINK-EUR | $17.39 0.0065498 Eth | $1,564,249.00 89,940.730 LINK | 0.3662% |
35 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.37 0.0065440 Eth | $1,505,698.00 85,322.466 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3474% |
36 | ![]() | LINK-USDT | $17.38 0.0065441 Eth | $1,359,810.00 75,001.915 LINK | 0.3054% |
37 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.37 0.0065424 Eth | $1,297,886.00 73,738.469 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3002% |
38 | ![]() | LINK-ETH | $17.38 0.0065487 Eth | $1,073,960.00 60,951.040 LINK | 0.2482% |
39 | ![]() | LINK-USDC | $17.22 0.0064843 Eth | $1,039,642.00 59,213.631 LINK | 0.2411% |
40 | ![]() | LINK-BTC | $17.40 0.0065513 Eth | $1,027,684.00 57,600.700 LINK | 0.2345% |
41 | ![]() | LINK-USDT | $17.39 0.0065633 Eth | $952,928.00 54,786.840 LINK | 0.2231% |
42 | ![]() | LINK-ETH | $17.36 0.0065490 Eth | $870,980.00 49,494.610 LINK | 0.2015% |
43 | ![]() | LINK-USDT | $17.37 0.0065491 Eth | $808,432.00 46,532.430 LINK | 0.1895% |
44 | ![]() | LINK-USDT | $17.38 0.0065529 Eth | $799,442.00 43,992.530 LINK | 0.1791% |
45 | ![]() | LINK-USD | $17.38 0.0065437 Eth | $775,930.00 44,656.348 LINK | 0.1818% |
46 | ![]() | LINK-USDC | $17.41 0.0065563 Eth | $740,757.00 40,664.540 LINK | 0.1656% |
47 | ![]() | LINK-USDT | $17.36 0.0065375 Eth | $723,793.00 41,694.790 LINK | 0.1698% |
48 | ![]() | LINK-BTC | $17.40 0.0065509 Eth | $715,561.00 41,118.030 LINK | 0.1674% |
49 | ![]() | LINK-BTC | $17.38 0.0065466 Eth | $708,906.00 40,780.738 LINK | 0.1660% |
50 | ![]() | LINK-TRY | $17.37 0.0065810 Eth | $665,066.00 36,584.700 LINK | 0.1490% |
51 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.41 0.0065569 Eth | $645,970.00 35,647.956 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1451% |
52 | ![]() | LINK-USDT | $17.39 0.0065474 Eth | $643,171.00 36,978.220 LINK | 0.1506% |
53 | ![]() | LINK-USDT | $17.32 0.0065217 Eth | $641,414.00 37,039.414 LINK | 0.1508% |
54 | ![]() | LINK-JPY | $17.50 0.0065940 Eth | $562,535.00 32,148.921 LINK | 0.1309% |
55 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.41 0.0065571 Eth | $558,747.00 586,918.072 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3898% |
56 | ![]() | LINK-USDT | $17.40 0.0065537 Eth | $557,569.00 30,932.202 LINK | 0.1259% |
57 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.40 0.0065561 Eth | $545,644.00 31,160.418 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1269% |
58 | ![]() | LINK-USDC | $17.39 0.0065494 Eth | $532,587.00 29,434.850 LINK | 0.1199% |
59 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.41 0.0065569 Eth | $453,731.00 25,667.153 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1045% |
60 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.39 0.0065469 Eth | $450,594.00 51,387.815 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2092% |
61 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.38 0.0065478 Eth | $443,509.00 24,678.789 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1005% |
62 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $17.36 0.0065393 Eth | $333,508.00 18,602.987 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0757% |
63 | ![]() | LINK-JPY | $17.45 0.0065761 Eth | $300,480.00 17,219.300 LINK | 0.0701% |
64 | ![]() | LINK-BTC | $17.39 0.0065483 Eth | $294,282.00 16,926.740 LINK | 0.0689% |
65 | ![]() | LINK-BTC | $17.40 0.0065509 Eth | $257,758.00 14,813.880 LINK | 0.0603% |
66 | ![]() | LINK-BRL | $17.45 0.0065744 Eth | $257,234.00 14,739.575 LINK | 0.0600% |
67 | ![]() | LINK-BTC | $17.38 0.0065455 Eth | $246,100.00 14,159.550 LINK | 0.0577% |
68 | ![]() | LINK-USDC | $17.23 0.0064894 Eth | $230,180.00 13,362.100 LINK | 0.0544% |
69 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.39 0.0065469 Eth | $228,625.00 12,631.697 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0514% |
70 | ![]() | LINK-USDT | $17.39 0.0065529 Eth | $221,454.00 12,225.000 LINK | 0.0498% |
71 | ![]() | LINK-THB | $17.50 0.0065938 Eth | $219,280.00 12,532.240 LINK | 0.0510% |
72 | ![]() | LINK-ETH | $17.38 0.0065489 Eth | $216,290.00 12,446.030 LINK | 0.0507% |
73 | ![]() | LINK-USDC | $17.38 0.0065440 Eth | $202,068.00 11,192.599 LINK | 0.0456% |
74 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.38 0.0065473 Eth | $197,527.00 11,218.728 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0457% |
75 | ![]() | LINK-TRY | $17.28 0.0065063 Eth | $177,686.00 9,779.720 LINK | 0.0398% |
76 | ![]() | LINK-ETH | $17.38 0.0065512 Eth | $177,417.00 10,078.650 LINK | 0.0410% |
77 | ![]() | LINK-TRY | $17.43 0.0065634 Eth | $168,300.00 9,656.930 LINK | 0.0393% |
78 | ![]() | LINK-USDT | $17.35 0.0065585 Eth | $167,433.00 9,245.700 LINK | 0.0376% |
79 | ![]() | LINK-USDC | $17.36 0.0065374 Eth | $161,071.00 9,278.039 LINK | 0.0378% |
80 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.43 0.0065719 Eth | $135,368.00 7,435.863 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0303% |
81 | ![]() | LINK-BRL | $17.48 0.0065804 Eth | $122,128.00 6,799.212 LINK | 0.0277% |
82 | ![]() | LINK-USDT | $17.40 0.0065580 Eth | $120,632.00 6,932.001 LINK | 0.0282% |
83 | ![]() | LINK-USD | $17.37 0.0065384 Eth | $116,297.00 6,695.612 LINK | 0.0273% |
84 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.30 0.0065136 Eth | $113,231.00 120,097.273 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4890% |
85 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $17.59 0.0066239 Eth | $110,867.00 6,268.682 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0255% |
86 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.37 0.0065424 Eth | $108,860.00 113,866.501 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4636% |
87 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.40 0.0065535 Eth | $104,231.00 5,907.441 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0241% |
88 | ![]() | LINK-ETH | $17.36 0.0065399 Eth | $100,081.00 5,763.960 LINK | 0.0235% |
89 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.32 0.0065231 Eth | $90,067.00 5,066.950 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0206% |
90 | ![]() | LINK-BTC | $17.35 0.0065331 Eth | $86,590.00 4,991.127 LINK | 0.0203% |
91 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.39 0.0065466 Eth | $46,802.00 2,585.428 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0105% |
92 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.31 0.0065188 Eth | $44,278.00 46,426.136 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1890% |
93 | ![]() | LINK-BTC | $17.45 0.0065715 Eth | $42,140.00 2,414.978 LINK | 0.0098% |
94 | ![]() | LINK-TRY | $17.24 0.0065275 Eth | $32,040.00 1,858.447 LINK | 0.0076% |
95 | ![]() | LINK-ETH | $17.38 0.0065500 Eth | $28,462.00 1,637.520 LINK | 0.0067% |
96 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $17.41 0.0065586 Eth | $25,288.00 1,427.471 0X5947BB275C521040051D82396192181B413227A3 | 0.0058% |
97 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $17.40 0.0065548 Eth | $20,838.00 1,148.308 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0047% |
98 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.39 0.0065491 Eth | $19,688.48 20,542.816 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0836% |
99 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.41 0.0065569 Eth | $17,367.17 990.287 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0040% |
100 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.27 0.0065056 Eth | $17,267.96 25.450 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
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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