ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
734,004 ( 0.017%)
Market
Price
$18.02 @ 0.006956 ETH (-4.96%)
Onchain Market Cap
$18,020,000,000.00
Circulating Supply Market Cap
$11,496,096,702.00
Other Info
Token Contract (WITH 18 Decimals)
Filtered by Token Holder
Binance Dep: 0x3ca53a7A4c1AC56EDe547C166915168beae4b672Balance
0 LINKValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $18.07 0.0069579 Eth | $85,318,972.00 4,611,732.150 LINK | 22.2882% |
2 | ![]() | LINK-USDT | $18.01 0.0069329 Eth | $45,438,572.00 2,522,980.130 LINK | 12.1934% |
3 | ![]() | LINK-USD | $17.97 0.0069415 Eth | $28,351,060.00 1,577,864.000 LINK | 7.6257% |
4 | ![]() | LINK-USDT | $18.04 0.0069464 Eth | $26,442,977.00 1,427,458.447 LINK | 6.8988% |
5 | ![]() | LINK-USDT | $18.02 0.0069453 Eth | $19,435,881.00 1,042,012.897 LINK | 5.0360% |
6 | ![]() | LINK-USDT | $18.01 0.0069272 Eth | $13,517,610.00 750,652.080 LINK | 3.6278% |
7 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.98 0.0069453 Eth | $10,858,600.00 588,522.165 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.8443% |
8 | ![]() | LINK-USDT | $18.08 0.0069586 Eth | $10,043,101.00 555,588.300 LINK | 2.6851% |
9 | ![]() | LINK-USDT | $17.89 0.0069084 Eth | $8,506,547.00 460,505.470 LINK | 2.2256% |
10 | ![]() | LINK-USDT | $18.05 0.0069554 Eth | $8,427,559.00 453,948.480 LINK | 2.1939% |
11 | ![]() | LINK-USDT | $17.95 0.0069338 Eth | $7,052,066.00 381,671.610 LINK | 1.8446% |
12 | ![]() | LINK-USDC | $17.98 0.0069180 Eth | $7,030,060.00 379,890.170 LINK | 1.8360% |
13 | ![]() | LINK-USDT | $18.11 0.0069733 Eth | $6,731,327.00 371,592.900 LINK | 1.7959% |
14 | ![]() | LINK-USDT | $17.99 0.0069215 Eth | $5,671,897.00 315,318.280 LINK | 1.5239% |
15 | ![]() | LINK-USDT | $18.04 0.0069450 Eth | $5,387,789.00 298,638.916 LINK | 1.4433% |
16 | ![]() | LINK-FDUSD | $18.01 0.0069484 Eth | $5,081,451.00 273,116.320 LINK | 1.3200% |
17 | ![]() | LINK-USDT | $18.00 0.0069398 Eth | $4,840,206.00 268,956.380 LINK | 1.2998% |
18 | ![]() | LINK-USDT | $18.00 0.0069346 Eth | $4,576,271.00 254,227.930 LINK | 1.2287% |
19 | ![]() | LINK-USDT | $17.85 0.0069709 Eth | $4,458,197.00 240,614.695 LINK | 1.1629% |
20 | ![]() | LINK-USDT | $17.85 0.0068951 Eth | $4,179,221.00 234,131.133 LINK | 1.1315% |
21 | ![]() | LINK-USDT | $18.13 0.0069694 Eth | $4,090,401.00 225,632.840 LINK | 1.0905% |
22 | ![]() | LINK-USD | $18.03 0.0069469 Eth | $4,027,079.00 223,389.308 LINK | 1.0796% |
23 | ![]() | LINK-USDT | $18.02 0.0069190 Eth | $3,505,592.00 189,828.296 LINK | 0.9174% |
24 | ![]() | LINK-USDT | $17.86 0.0069620 Eth | $3,367,114.00 188,487.825 LINK | 0.9109% |
25 | ![]() | LINK-EUR | $17.91 0.0069000 Eth | $2,696,336.00 150,572.680 LINK | 0.7277% |
26 | ![]() | LINK-USDT | $17.92 0.0069237 Eth | $2,439,154.00 136,098.390 LINK | 0.6578% |
27 | ![]() | LINK-GBP | $18.01 0.0069342 Eth | $2,233,172.00 123,979.570 LINK | 0.5992% |
28 | ![]() | LINK-USDT | $17.93 0.0069205 Eth | $2,223,419.00 119,511.158 LINK | 0.5776% |
29 | ![]() | LINK-USDC | $17.83 0.0068861 Eth | $1,997,861.00 112,044.410 LINK | 0.5415% |
30 | ![]() | LINK-EUR | $18.03 0.0069489 Eth | $1,797,125.00 99,661.835 LINK | 0.4817% |
31 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.90 0.0069161 Eth | $1,691,373.00 92,044.390 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4448% |
32 | ![]() | LINK-BTC | $18.01 0.0069314 Eth | $1,621,399.00 88,351.560 LINK | 0.4270% |
33 | ![]() | LINK-USDT | $17.93 0.0069092 Eth | $1,489,922.00 79,999.260 LINK | 0.3866% |
34 | ![]() | LINK-USDT | $17.87 0.0069037 Eth | $1,372,620.00 74,528.385 LINK | 0.3602% |
35 | ![]() | LINK-ETH | $17.88 0.0069085 Eth | $1,249,879.00 67,871.360 LINK | 0.3280% |
36 | ![]() | LINK-USDT | $17.83 0.0068887 Eth | $1,095,791.00 59,004.037 LINK | 0.2852% |
37 | ![]() | LINK-BTC | $17.93 0.0069183 Eth | $1,044,067.00 56,693.600 LINK | 0.2740% |
38 | ![]() | LINK-ETH | $18.09 0.0069442 Eth | $896,465.00 48,618.030 LINK | 0.2350% |
39 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.97 0.0069293 Eth | $749,531.00 40,935.980 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1978% |
40 | ![]() | LINK-USDC | $17.94 0.0069183 Eth | $737,694.00 39,617.310 LINK | 0.1915% |
41 | ![]() | LINK-USDT | $17.89 0.0068922 Eth | $715,970.00 40,027.320 LINK | 0.1934% |
42 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.98 0.0069350 Eth | $693,638.00 37,233.354 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1799% |
43 | ![]() | LINK-JPY | $17.94 0.0069304 Eth | $644,619.00 35,929.358 LINK | 0.1736% |
44 | ![]() | LINK-USDT | $18.01 0.0069436 Eth | $639,808.00 35,532.522 LINK | 0.1717% |
45 | ![]() | LINK-USDT | $17.96 0.0069392 Eth | $626,832.00 34,897.690 LINK | 0.1687% |
46 | ![]() | LINK-USD | $17.86 0.0068825 Eth | $602,480.00 33,733.475 LINK | 0.1630% |
47 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.85 0.0068954 Eth | $570,044.00 63,035.752 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3046% |
48 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.02 0.0069477 Eth | $564,596.00 30,641.049 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1481% |
49 | ![]() | LINK-USDC | $18.02 0.0069442 Eth | $535,334.00 28,955.377 LINK | 0.1399% |
50 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.01 0.0069454 Eth | $514,644.00 27,784.605 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1343% |
51 | ![]() | LINK-USD | $18.10 0.0069584 Eth | $491,657.00 26,542.901 LINK | 0.1283% |
52 | ![]() | LINK-USDC | $17.99 0.0069268 Eth | $473,665.00 25,710.701 LINK | 0.1243% |
53 | ![]() | LINK-TRY | $18.06 0.0069507 Eth | $472,848.00 25,547.150 LINK | 0.1235% |
54 | ![]() | LINK-USD | $18.03 0.0069395 Eth | $466,343.00 25,869.305 LINK | 0.1250% |
55 | ![]() | LINK-JPY | $18.03 0.0069871 Eth | $442,757.00 24,560.000 LINK | 0.1187% |
56 | ![]() | LINK-BTC | $17.91 0.0069839 Eth | $410,303.00 22,915.200 LINK | 0.1107% |
57 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.83 0.0068885 Eth | $407,993.00 22,149.928 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1070% |
58 | ![]() | LINK-USDC | $17.88 0.0069010 Eth | $403,698.00 21,750.200 LINK | 0.1051% |
59 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.03 0.0069514 Eth | $396,816.00 21,482.284 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1038% |
60 | ![]() | LINK-EUR | $18.00 0.0069299 Eth | $389,415.00 21,111.460 LINK | 0.1020% |
61 | ![]() | LINK-BTC | $18.06 0.0069491 Eth | $385,669.00 21,349.273 LINK | 0.1032% |
62 | ![]() | LINK-USDT | $17.99 0.0069426 Eth | $366,921.00 20,392.952 LINK | 0.0986% |
63 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.02 0.0069608 Eth | $364,643.00 19,631.855 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0949% |
64 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.01 0.0069454 Eth | $341,089.00 352,611.524 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.7041% |
65 | ![]() | LINK-EUR | $17.96 0.0069206 Eth | $335,034.00 18,655.628 LINK | 0.0902% |
66 | ![]() | LINK-USDC | $18.03 0.0069492 Eth | $328,718.00 17,865.387 LINK | 0.0863% |
67 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.97 0.0069414 Eth | $272,350.00 14,686.648 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0710% |
68 | ![]() | LINK-USDT | $18.04 0.0069250 Eth | $253,800.00 13,594.000 LINK | 0.0657% |
69 | ![]() | LINK-BTC | $17.99 0.0069337 Eth | $248,955.00 13,836.360 LINK | 0.0669% |
70 | ![]() | LINK-ETH | $18.00 0.0069759 Eth | $197,618.00 10,730.710 LINK | 0.0519% |
71 | ![]() | LINK-TRY | $18.11 0.0069721 Eth | $190,678.00 10,207.780 LINK | 0.0493% |
72 | ![]() | LINK-ETH | $17.95 0.0069153 Eth | $184,613.00 10,286.620 LINK | 0.0497% |
73 | ![]() | LINK-BTC | $18.02 0.0069731 Eth | $178,785.00 9,919.060 LINK | 0.0479% |
74 | ![]() | LINK-USDC | $18.07 0.0069737 Eth | $171,140.00 9,471.430 LINK | 0.0458% |
75 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.93 0.0069134 Eth | $165,588.00 8,944.056 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0432% |
76 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.96 0.0069362 Eth | $138,112.00 7,580.427 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0366% |
77 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.90 0.0069161 Eth | $122,893.00 126,992.753 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6137% |
78 | ![]() | LINK-THB | $18.02 0.0069483 Eth | $122,268.00 6,785.667 LINK | 0.0328% |
79 | ![]() | LINK-TRY | $18.18 0.0070028 Eth | $119,022.00 6,546.740 LINK | 0.0316% |
80 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.00 0.0069427 Eth | $117,321.00 6,407.649 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0310% |
81 | ![]() | LINK-USDC | $18.05 0.0069496 Eth | $115,122.00 6,376.886 LINK | 0.0308% |
82 | ![]() | LINK-USD | $17.89 0.0068951 Eth | $110,959.00 6,200.759 LINK | 0.0300% |
83 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.07 0.0069801 Eth | $99,037.00 102,095.453 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4934% |
84 | ![]() | LINK-BTC | $18.03 0.0069398 Eth | $77,446.00 4,295.940 LINK | 0.0208% |
85 | ![]() | LINK-BNB | $17.93 0.0069196 Eth | $66,698.00 3,564.957 LINK | 0.0172% |
86 | ![]() | LINK-BRL | $17.98 0.0069448 Eth | $57,093.00 3,175.925 LINK | 0.0153% |
87 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $17.98 0.0069202 Eth | $55,342.00 2,949.306 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0143% |
88 | ![]() | LINK-ETH | $17.99 0.0069025 Eth | $53,011.00 2,947.098 LINK | 0.0142% |
89 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.96 0.0069128 Eth | $51,929.00 2,822.048 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0136% |
90 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.91 0.0069187 Eth | $49,433.00 2,660.559 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0129% |
91 | ![]() | LINK-ETH | $17.96 0.0069859 Eth | $48,978.00 2,727.710 LINK | 0.0132% |
92 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.03 0.0069528 Eth | $45,796.00 2,488.240 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0120% |
93 | ![]() | LINK-USDT | $17.91 0.0069051 Eth | $44,685.00 2,495.527 LINK | 0.0121% |
94 | ![]() | LINK-BRL | $17.98 0.0069200 Eth | $39,640.00 2,143.610 LINK | 0.0104% |
95 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.01 0.0069454 Eth | $27,862.00 1,511.283 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0073% |
96 | ![]() | LINK-ETH | $18.00 0.0069411 Eth | $26,014.00 1,445.230 LINK | 0.0070% |
97 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.07 0.0069676 Eth | $24,388.00 1,334.962 0X5947BB275C521040051D82396192181B413227A3 | 0.0065% |
98 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.13 0.0069564 Eth | $20,593.00 1,101.558 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0053% |
99 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.97 0.0069278 Eth | $20,135.00 29.488 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
100 | ![]() | LINK-TRY | $17.75 0.0068392 Eth | $14,422.16 812.349 LINK | 0.0039% |
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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