ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
735,016 ( 0.001%)
Market
Price
$19.50 @ 0.007123 ETH (+4.11%)
Onchain Market Cap
$19,500,000,000.00
Circulating Supply Market Cap
$12,445,880,858.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $19.55 0.0071587 Eth | $63,587,596.00 3,298,074.160 LINK | 19.1683% |
2 | ![]() | LINK-USDT | $19.57 0.0071501 Eth | $35,974,282.00 1,838,119.890 LINK | 10.6831% |
3 | ![]() | LINK-USD | $19.57 0.0071605 Eth | $34,428,892.00 1,759,628.540 LINK | 10.2269% |
4 | ![]() | LINK-USDT | $19.57 0.0071487 Eth | $26,420,874.00 1,371,680.071 LINK | 7.9721% |
5 | ![]() | LINK-USDT | $19.57 0.0071482 Eth | $19,790,382.00 1,030,614.055 LINK | 5.9899% |
6 | ![]() | LINK-USDT | $19.57 0.0071551 Eth | $13,041,043.00 666,297.940 LINK | 3.8725% |
7 | ![]() | LINK-USDT | $19.56 0.0071473 Eth | $9,393,532.00 487,118.100 LINK | 2.8311% |
8 | ![]() | LINK-USDT | $19.58 0.0071524 Eth | $8,235,308.00 420,658.240 LINK | 2.4448% |
9 | ![]() | LINK-USDT | $19.56 0.0071532 Eth | $6,782,698.00 350,918.940 LINK | 2.0395% |
10 | ![]() | LINK-USDC | $19.50 0.0071473 Eth | $6,540,603.00 338,773.320 LINK | 1.9689% |
11 | ![]() | LINK-USDT | $19.53 0.0071488 Eth | $6,373,667.00 330,549.430 LINK | 1.9211% |
12 | ![]() | LINK-USDT | $19.57 0.0071541 Eth | $5,804,807.00 296,664.065 LINK | 1.7242% |
13 | ![]() | LINK-USDT | $19.54 0.0071458 Eth | $5,757,246.00 294,692.220 LINK | 1.7127% |
14 | ![]() | LINK-USDT | $19.50 0.0071393 Eth | $5,637,245.00 292,622.430 LINK | 1.7007% |
15 | ![]() | LINK-USDT | $19.53 0.0071513 Eth | $5,039,331.00 258,006.600 LINK | 1.4995% |
16 | ![]() | LINK-USDT | $19.56 0.0071542 Eth | $5,005,976.00 255,937.523 LINK | 1.4875% |
17 | ![]() | LINK-FDUSD | $19.58 0.0071542 Eth | $4,603,941.00 238,566.550 LINK | 1.3865% |
18 | ![]() | LINK-USDT | $19.56 0.0071538 Eth | $4,337,315.00 221,739.590 LINK | 1.2887% |
19 | ![]() | LINK-USD | $19.57 0.0071504 Eth | $3,951,705.00 201,907.909 LINK | 1.1735% |
20 | ![]() | LINK-USDT | $19.53 0.0071484 Eth | $3,733,397.00 193,663.625 LINK | 1.1256% |
21 | ![]() | LINK-USDT | $19.52 0.0071456 Eth | $3,599,260.00 184,366.160 LINK | 1.0715% |
22 | ![]() | LINK-USDT | $19.56 0.0071521 Eth | $3,166,594.00 161,878.586 LINK | 0.9408% |
23 | ![]() | LINK-EUR | $19.60 0.0071651 Eth | $2,571,955.00 131,242.560 LINK | 0.7628% |
24 | ![]() | LINK-USDT | $19.57 0.0071498 Eth | $2,548,035.00 132,146.966 LINK | 0.7680% |
25 | ![]() | LINK-USDT | $19.53 0.0071491 Eth | $2,063,615.00 107,212.665 LINK | 0.6231% |
26 | ![]() | LINK-USDT | $19.52 0.0071449 Eth | $2,061,780.00 105,615.920 LINK | 0.6138% |
27 | ![]() | LINK-EUR | $19.54 0.0071519 Eth | $1,941,095.00 99,338.178 LINK | 0.5773% |
28 | ![]() | LINK-GBP | $19.59 0.0071619 Eth | $1,708,205.00 87,205.220 LINK | 0.5068% |
29 | ![]() | LINK-USDT | $19.56 0.0071527 Eth | $1,693,940.00 87,320.056 LINK | 0.5075% |
30 | ![]() | LINK-USDT | $19.50 0.0071481 Eth | $1,573,453.00 81,789.730 LINK | 0.4754% |
31 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.59 0.0071567 Eth | $1,454,270.00 75,143.403 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4367% |
32 | ![]() | LINK-ETH | $19.53 0.0071417 Eth | $1,274,489.00 65,962.240 LINK | 0.3834% |
33 | ![]() | LINK-BTC | $19.53 0.0071475 Eth | $1,075,876.00 55,628.200 LINK | 0.3233% |
34 | ![]() | LINK-USDT | $19.52 0.0071519 Eth | $1,009,443.00 52,361.373 LINK | 0.3043% |
35 | ![]() | LINK-USDT | $19.53 0.0071470 Eth | $754,747.00 39,304.940 LINK | 0.2284% |
36 | ![]() | LINK-USDT | $19.58 0.0071596 Eth | $726,198.00 37,095.792 LINK | 0.2156% |
37 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.58 0.0071575 Eth | $723,080.00 37,531.173 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2181% |
38 | ![]() | LINK-USDT | $19.57 0.0071558 Eth | $685,012.00 35,000.430 LINK | 0.2034% |
39 | ![]() | LINK-BTC | $19.49 0.0071402 Eth | $649,710.00 33,330.516 LINK | 0.1937% |
40 | ![]() | LINK-EUR | $19.58 0.0071574 Eth | $648,331.00 33,650.940 LINK | 0.1956% |
41 | ![]() | LINK-USD | $19.50 0.0071250 Eth | $637,450.00 32,685.925 LINK | 0.1900% |
42 | ![]() | LINK-BTC | $19.52 0.0071410 Eth | $596,137.00 30,534.900 LINK | 0.1775% |
43 | ![]() | LINK-JPY | $19.51 0.0071407 Eth | $589,504.00 30,209.918 LINK | 0.1756% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $19.56 0.0071560 Eth | $581,169.00 30,113.002 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1750% |
45 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.56 0.0071560 Eth | $579,693.00 572,044.795 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.3247% |
46 | ![]() | LINK-USDT | $19.55 0.0071564 Eth | $576,216.00 29,481.120 LINK | 0.1713% |
47 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.56 0.0071560 Eth | $558,937.00 28,750.590 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1671% |
48 | ![]() | LINK-TRY | $19.53 0.0071478 Eth | $542,117.00 28,208.650 LINK | 0.1639% |
49 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.50 0.0071303 Eth | $524,151.00 27,202.034 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1581% |
50 | ![]() | LINK-USDC | $19.57 0.0071542 Eth | $500,710.00 25,953.611 LINK | 0.1508% |
51 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.52 0.0071400 Eth | $487,814.00 25,048.530 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1456% |
52 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.51 0.0071371 Eth | $466,138.00 24,351.353 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1415% |
53 | ![]() | LINK-USDT | $19.53 0.0071472 Eth | $458,523.00 23,834.574 LINK | 0.1385% |
54 | ![]() | LINK-USDT | $19.56 0.0071618 Eth | $442,094.00 22,932.126 LINK | 0.1333% |
55 | ![]() | LINK-USDC | $19.56 0.0071477 Eth | $409,443.00 21,236.388 LINK | 0.1234% |
56 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.64 0.0071805 Eth | $406,911.00 39,645.731 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2304% |
57 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.55 0.0071520 Eth | $394,462.00 20,316.843 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1181% |
58 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.59 0.0071567 Eth | $341,708.00 17,707.833 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1029% |
59 | ![]() | LINK-BTC | $19.53 0.0071439 Eth | $267,002.00 13,670.600 LINK | 0.0795% |
60 | ![]() | LINK-USDC | $19.58 0.0071547 Eth | $263,611.00 13,633.891 LINK | 0.0792% |
61 | ![]() | LINK-USDT | $19.52 0.0071452 Eth | $226,441.00 11,784.000 LINK | 0.0685% |
62 | ![]() | LINK-BTC | $19.65 0.0071781 Eth | $226,374.00 11,521.577 LINK | 0.0670% |
63 | ![]() | LINK-TRY | $19.69 0.0071929 Eth | $196,733.00 10,268.930 LINK | 0.0597% |
64 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.55 0.0071474 Eth | $188,069.00 9,748.441 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0567% |
65 | ![]() | LINK-JPY | $19.60 0.0071743 Eth | $169,034.00 8,622.900 LINK | 0.0501% |
66 | ![]() | LINK-BTC | $19.45 0.0071441 Eth | $150,499.00 7,735.970 LINK | 0.0450% |
67 | ![]() | LINK-USDC | $19.54 0.0071519 Eth | $141,516.00 7,241.550 LINK | 0.0421% |
68 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.59 0.0071631 Eth | $138,038.00 7,149.198 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0416% |
69 | ![]() | LINK-USDT | $19.56 0.0071521 Eth | $135,445.00 7,029.260 LINK | 0.0409% |
70 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.52 0.0071333 Eth | $127,356.00 6,569.752 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0382% |
71 | ![]() | LINK-BTC | $19.56 0.0071604 Eth | $126,000.00 6,440.190 LINK | 0.0374% |
72 | ![]() | LINK-GBP | $19.63 0.0071715 Eth | $121,591.00 6,194.172 LINK | 0.0360% |
73 | ![]() | LINK-ETH | $19.50 0.0071406 Eth | $104,714.00 5,370.730 LINK | 0.0312% |
74 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.59 0.0071567 Eth | $100,791.00 98,989.215 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5753% |
75 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $19.55 0.0071413 Eth | $96,432.00 4,992.223 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0290% |
76 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.43 0.0070998 Eth | $96,192.00 95,444.347 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5547% |
77 | ![]() | LINK-PLN | $19.58 0.0071654 Eth | $84,412.00 0.000 LINK | 0.0000% |
78 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $19.42 0.0071046 Eth | $77,285.00 3,996.964 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0232% |
79 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.54 0.0071387 Eth | $73,327.00 3,787.040 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0220% |
80 | ![]() | LINK-ETH | $19.53 0.0071419 Eth | $69,288.00 3,548.540 LINK | 0.0206% |
81 | ![]() | LINK-USDT | $19.46 0.0071342 Eth | $56,932.00 2,925.061 LINK | 0.0170% |
82 | ![]() | LINK-USD | $19.54 0.0071476 Eth | $50,058.00 2,561.354 LINK | 0.0149% |
83 | ![]() | LINK-THB | $19.57 0.0071611 Eth | $49,091.00 2,508.771 LINK | 0.0146% |
84 | ![]() | LINK-BTC | $19.43 0.0071146 Eth | $46,722.00 2,404.534 LINK | 0.0140% |
85 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.52 0.0071415 Eth | $46,235.00 2,416.997 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0140% |
86 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.53 0.0071463 Eth | $44,048.00 2,278.734 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0132% |
87 | ![]() | LINK-ETH | $19.52 0.0071427 Eth | $42,703.00 2,188.030 LINK | 0.0127% |
88 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.50 0.0071309 Eth | $38,252.00 1,977.522 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0115% |
89 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.51 0.0071296 Eth | $33,815.00 1,748.736 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0102% |
90 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $19.51 0.0071271 Eth | $22,028.00 29.631 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
91 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.44 0.0071062 Eth | $16,516.50 16,388.614 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0952% |
92 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.50 0.0071230 Eth | $14,749.00 751.233 0X5947BB275C521040051D82396192181B413227A3 | 0.0044% |
93 | ![]() | LINK-ETH | $19.52 0.0071439 Eth | $14,068.66 720.650 LINK | 0.0042% |
94 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $19.44 0.0071159 Eth | $13,878.58 720.269 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0042% |
95 | ![]() | LINK-TRY | $19.33 0.0070792 Eth | $12,230.07 632.819 LINK | 0.0037% |
96 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $19.60 0.0071606 Eth | $11,928.85 617.896 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0036% |
97 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $19.56 0.0071552 Eth | $9,402.01 484.611 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0028% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.54 0.0071528 Eth | $8,249.87 426.521 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0025% |
99 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.64 0.0071822 Eth | $8,224.64 419.401 0X5947BB275C521040051D82396192181B413227A3 | 0.0024% |
100 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.50 0.0071242 Eth | $6,832.20 357.228 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0021% |
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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