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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
738,140 ( 0.040%)
Market
Price
$17.61 @ 0.006450 ETH (-5.25%)
Onchain Market Cap
$17,610,000,000.00
Circulating Supply Market Cap
$11,238,520,902.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.05008402 LINKValue
$0.88 ( ~0.000322333685592958 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $17.61 0.0064399 Eth | $86,990,892.00 4,940,507.440 LINK | 16.0289% |
2 | ![]() | LINK-USDT | $17.62 0.0064398 Eth | $81,101,295.00 4,523,868.190 LINK | 14.6771% |
3 | ![]() | LINK-USDT | $17.58 0.0064288 Eth | $61,585,450.00 3,448,373.420 LINK | 11.1878% |
4 | ![]() | LINK-USD | $17.60 0.0064367 Eth | $30,007,755.00 1,705,373.640 LINK | 5.5329% |
5 | ![]() | LINK-USDT | $17.62 0.0064438 Eth | $29,908,570.00 1,672,885.571 LINK | 5.4275% |
6 | ![]() | LINK-USDT | $17.60 0.0064371 Eth | $21,040,978.00 1,186,239.563 LINK | 3.8486% |
7 | ![]() | LINK-USDT | $17.62 0.0064445 Eth | $14,529,717.00 824,394.180 LINK | 2.6746% |
8 | ![]() | LINK-USDT | $17.60 0.0064376 Eth | $14,242,038.00 800,476.353 LINK | 2.5970% |
9 | ![]() | LINK-USDT | $17.62 0.0064441 Eth | $13,708,210.00 766,471.180 LINK | 2.4867% |
10 | ![]() | LINK-USDT | $17.61 0.0064408 Eth | $11,137,996.00 624,658.850 LINK | 2.0266% |
11 | ![]() | LINK-USDT | $17.60 0.0064380 Eth | $10,538,377.00 598,686.920 LINK | 1.9424% |
12 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.56 0.0064216 Eth | $8,852,345.00 490,941.821 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.5928% |
13 | ![]() | LINK-USDT | $17.63 0.0064473 Eth | $8,436,032.00 478,486.044 LINK | 1.5524% |
14 | ![]() | LINK-USDT | $17.61 0.0064395 Eth | $8,080,918.00 450,820.130 LINK | 1.4626% |
15 | ![]() | LINK-EUR | $17.63 0.0064496 Eth | $7,769,361.00 440,592.830 LINK | 1.4294% |
16 | ![]() | LINK-USDC | $17.61 0.0064418 Eth | $7,466,816.00 424,013.110 LINK | 1.3757% |
17 | ![]() | LINK-USDT | $17.60 0.0064365 Eth | $7,054,300.00 400,849.540 LINK | 1.3005% |
18 | ![]() | LINK-USDT | $17.61 0.0064395 Eth | $6,975,253.00 396,145.450 LINK | 1.2852% |
19 | ![]() | LINK-USDT | $17.61 0.0064387 Eth | $6,909,009.00 385,979.010 LINK | 1.2523% |
20 | ![]() | LINK-FDUSD | $17.61 0.0064385 Eth | $6,594,483.00 367,837.840 LINK | 1.1934% |
21 | ![]() | LINK-USDC | $17.62 0.0064398 Eth | $6,540,576.00 365,085.250 LINK | 1.1845% |
22 | ![]() | LINK-USD | $17.62 0.0064436 Eth | $6,068,476.00 344,402.723 LINK | 1.1174% |
23 | ![]() | LINK-USDT | $17.64 0.0064494 Eth | $5,898,140.00 334,395.340 LINK | 1.0849% |
24 | ![]() | LINK-USDT | $17.62 0.0064440 Eth | $5,720,408.00 324,517.660 LINK | 1.0529% |
25 | ![]() | LINK-USDT | $17.60 0.0064287 Eth | $4,839,828.00 269,941.175 LINK | 0.8758% |
26 | ![]() | LINK-USDT | $17.62 0.0064377 Eth | $4,456,260.00 252,932.580 LINK | 0.8206% |
27 | ![]() | LINK-USDT | $17.60 0.0064368 Eth | $3,795,848.00 215,683.454 LINK | 0.6998% |
28 | ![]() | LINK-USDT | $17.63 0.0064474 Eth | $3,768,430.00 213,808.523 LINK | 0.6937% |
29 | ![]() | LINK-USDT | $17.61 0.0064392 Eth | $3,229,288.00 180,616.177 LINK | 0.5860% |
30 | ![]() | LINK-USDT | $17.61 0.0064399 Eth | $2,851,075.00 162,080.369 LINK | 0.5258% |
31 | ![]() | LINK-EUR | $17.62 0.0064443 Eth | $2,577,202.00 146,245.978 LINK | 0.4745% |
32 | ![]() | LINK-USDT | $17.59 0.0064324 Eth | $2,470,180.00 140,435.307 LINK | 0.4556% |
33 | ![]() | LINK-USDT | $17.60 0.0064358 Eth | $2,405,604.00 134,232.385 LINK | 0.4355% |
34 | ![]() | LINK-USDT | $17.61 0.0064384 Eth | $1,957,067.00 110,310.050 LINK | 0.3579% |
35 | ![]() | LINK-EUR | $17.59 0.0064353 Eth | $1,680,724.00 95,538.880 LINK | 0.3100% |
36 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.57 0.0064253 Eth | $1,601,098.00 88,793.689 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2881% |
37 | ![]() | LINK-GBP | $17.62 0.0064461 Eth | $1,546,697.00 87,772.540 LINK | 0.2848% |
38 | ![]() | LINK-USDC | $17.59 0.0064334 Eth | $1,279,076.00 73,158.289 LINK | 0.2374% |
39 | ![]() | LINK-USDT | $17.62 0.0064443 Eth | $1,259,187.00 70,385.458 LINK | 0.2284% |
40 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.56 0.0064213 Eth | $1,224,992.00 67,814.296 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2200% |
41 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.61 0.0064397 Eth | $1,138,264.00 62,753.857 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2036% |
42 | ![]() | LINK-ETH | $17.60 0.0064386 Eth | $1,092,759.00 60,829.280 LINK | 0.1974% |
43 | ![]() | LINK-ETH | $17.60 0.0064385 Eth | $1,032,274.00 57,293.830 LINK | 0.1859% |
44 | ![]() | LINK-BTC | $17.61 0.0064423 Eth | $988,562.00 55,615.900 LINK | 0.1804% |
45 | ![]() | LINK-USDT | $17.62 0.0064417 Eth | $892,384.00 50,654.340 LINK | 0.1643% |
46 | ![]() | LINK-USDT | $17.61 0.0064401 Eth | $815,110.00 46,291.070 LINK | 0.1502% |
47 | ![]() | LINK-USDT | $17.61 0.0064401 Eth | $776,825.00 44,124.056 LINK | 0.1432% |
48 | ![]() | LINK-BTC | $17.61 0.0064425 Eth | $723,985.00 41,107.960 LINK | 0.1334% |
49 | ![]() | LINK-USD | $17.64 0.0064511 Eth | $719,279.00 40,779.342 LINK | 0.1323% |
50 | ![]() | LINK-USDT | $17.61 0.0064403 Eth | $683,189.00 38,410.613 LINK | 0.1246% |
51 | ![]() | LINK-USDT | $17.62 0.0064427 Eth | $677,023.00 38,433.992 LINK | 0.1247% |
52 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.59 0.0064324 Eth | $635,542.00 36,026.465 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1169% |
53 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.63 0.0064487 Eth | $624,734.00 34,800.170 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1129% |
54 | ![]() | LINK-USDC | $17.60 0.0064398 Eth | $594,170.00 33,230.240 LINK | 0.1078% |
55 | ![]() | LINK-TRY | $17.70 0.0064721 Eth | $559,468.00 31,134.140 LINK | 0.1010% |
56 | ![]() | LINK-JPY | $17.67 0.0064628 Eth | $536,740.00 30,369.771 LINK | 0.0985% |
57 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.57 0.0064243 Eth | $510,537.00 57,761.938 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1874% |
58 | ![]() | LINK-USDC | $17.61 0.0064402 Eth | $505,991.00 28,300.680 LINK | 0.0918% |
59 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.62 0.0064431 Eth | $502,325.00 27,849.945 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0904% |
60 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.63 0.0064487 Eth | $473,567.00 486,970.679 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.5799% |
61 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.57 0.0064253 Eth | $431,160.00 24,256.588 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0787% |
62 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.57 0.0064257 Eth | $360,140.00 375,626.264 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 1.2187% |
63 | ![]() | LINK-BTC | $17.63 0.0064454 Eth | $297,506.00 16,879.620 LINK | 0.0548% |
64 | ![]() | LINK-ETH | $17.59 0.0064338 Eth | $288,999.00 16,040.120 LINK | 0.0520% |
65 | ![]() | LINK-BRL | $17.67 0.0064598 Eth | $264,896.00 14,994.264 LINK | 0.0486% |
66 | ![]() | LINK-ETH | $17.62 0.0064442 Eth | $252,948.00 14,094.020 LINK | 0.0457% |
67 | ![]() | LINK-BTC | $17.63 0.0064464 Eth | $244,381.00 13,861.780 LINK | 0.0450% |
68 | ![]() | LINK-ETH | $17.61 0.0064372 Eth | $228,659.00 12,983.680 LINK | 0.0421% |
69 | ![]() | LINK-JPY | $17.61 0.0064402 Eth | $221,282.00 12,565.000 LINK | 0.0408% |
70 | ![]() | LINK-USDC | $17.60 0.0064371 Eth | $218,741.00 12,292.779 LINK | 0.0399% |
71 | ![]() | LINK-USDT | $17.62 0.0064445 Eth | $218,041.00 12,226.000 LINK | 0.0397% |
72 | ![]() | LINK-USDC | $17.57 0.0064265 Eth | $216,809.00 12,339.050 LINK | 0.0400% |
73 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.58 0.0064280 Eth | $210,618.00 11,733.596 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0381% |
74 | ![]() | LINK-USD | $17.63 0.0064497 Eth | $210,107.00 11,626.855 LINK | 0.0377% |
75 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.60 0.0064375 Eth | $207,665.00 11,522.078 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0374% |
76 | ![]() | LINK-THB | $17.68 0.0064688 Eth | $203,133.00 11,486.890 LINK | 0.0373% |
77 | ![]() | LINK-BTC | $17.63 0.0064453 Eth | $187,676.00 10,647.120 LINK | 0.0345% |
78 | ![]() | LINK-USDC | $17.59 0.0064328 Eth | $179,223.00 10,188.287 LINK | 0.0331% |
79 | ![]() | LINK-TRY | $17.71 0.0064774 Eth | $159,206.00 8,987.740 LINK | 0.0292% |
80 | ![]() | LINK-USDT | $17.63 0.0064446 Eth | $153,204.00 8,609.131 LINK | 0.0279% |
81 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.57 0.0064274 Eth | $129,632.00 7,227.354 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0234% |
82 | ![]() | LINK-TRY | $17.65 0.0064546 Eth | $126,329.00 7,107.730 LINK | 0.0231% |
83 | ![]() | LINK-USD | $17.64 0.0064500 Eth | $112,186.00 6,360.279 LINK | 0.0206% |
84 | ![]() | LINK-USDT | $17.62 0.0064430 Eth | $110,063.00 6,246.589 LINK | 0.0203% |
85 | ![]() | LINK-BTC | $17.62 0.0064436 Eth | $105,664.00 5,996.624 LINK | 0.0195% |
86 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.57 0.0064262 Eth | $104,828.00 107,415.839 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3485% |
87 | ![]() | LINK-ETH | $17.63 0.0064482 Eth | $98,169.00 5,567.260 LINK | 0.0181% |
88 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.60 0.0064382 Eth | $97,168.00 5,377.979 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0174% |
89 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.58 0.0064304 Eth | $94,943.00 98,471.995 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3195% |
90 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.67 0.0064620 Eth | $90,888.00 5,101.526 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0166% |
91 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $17.67 0.0064655 Eth | $87,176.00 4,821.943 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0156% |
92 | ![]() | LINK-ETH | $17.61 0.0064398 Eth | $71,276.00 4,047.760 LINK | 0.0131% |
93 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.65 0.0064536 Eth | $45,528.00 2,527.660 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0082% |
94 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.63 0.0064487 Eth | $29,673.00 1,680.283 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0055% |
95 | ![]() | LINK-ETH | $17.60 0.0064374 Eth | $28,694.00 1,629.940 LINK | 0.0053% |
96 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $17.56 0.0064232 Eth | $19,232.11 1,070.342 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0035% |
97 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.63 0.0064497 Eth | $18,247.93 18,579.117 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0603% |
98 | ![]() | LINK-TRY | $17.51 0.0064010 Eth | $16,587.10 947.040 LINK | 0.0031% |
99 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.62 0.0064427 Eth | $16,464.08 23.540 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
100 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $17.66 0.0064588 Eth | $16,158.80 907.376 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0029% |
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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