ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
735,019 ( 0.001%)
Market
Price
$19.44 @ 0.007127 ETH (+3.72%)
Onchain Market Cap
$19,440,000,000.00
Circulating Supply Market Cap
$12,409,162,744.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
130.83237747 LINKValue
$2,543.38 ( ~0.932395596674079 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $19.44 0.0071429 Eth | $63,683,153.00 3,303,546.320 LINK | 18.9371% |
2 | ![]() | LINK-USDT | $19.48 0.0071447 Eth | $35,821,506.00 1,838,704.140 LINK | 10.5401% |
3 | ![]() | LINK-USD | $19.45 0.0071449 Eth | $34,886,277.00 1,793,362.300 LINK | 10.2802% |
4 | ![]() | LINK-USDT | $19.45 0.0071435 Eth | $26,379,094.00 1,369,711.821 LINK | 7.8517% |
5 | ![]() | LINK-USDT | $19.45 0.0071432 Eth | $19,737,243.00 1,028,413.188 LINK | 5.8952% |
6 | ![]() | LINK-USDT | $19.44 0.0071435 Eth | $12,960,270.00 666,561.670 LINK | 3.8210% |
7 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.41 0.0071305 Eth | $10,851,369.00 563,280.180 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.2289% |
8 | ![]() | LINK-USDT | $19.47 0.0071514 Eth | $9,471,133.00 491,260.368 LINK | 2.8161% |
9 | ![]() | LINK-USDT | $19.48 0.0071534 Eth | $8,209,633.00 421,492.310 LINK | 2.4161% |
10 | ![]() | LINK-USDT | $19.45 0.0071444 Eth | $6,647,408.00 344,040.160 LINK | 1.9722% |
11 | ![]() | LINK-USDT | $19.45 0.0071457 Eth | $6,380,837.00 331,012.580 LINK | 1.8975% |
12 | ![]() | LINK-USDT | $19.45 0.0071449 Eth | $5,770,691.00 296,637.822 LINK | 1.7004% |
13 | ![]() | LINK-USDT | $19.44 0.0071423 Eth | $5,702,687.00 293,326.730 LINK | 1.6814% |
14 | ![]() | LINK-USDT | $19.51 0.0071505 Eth | $5,641,702.00 292,961.040 LINK | 1.6794% |
15 | ![]() | LINK-USDT | $19.44 0.0071416 Eth | $5,084,439.00 261,530.600 LINK | 1.4992% |
16 | ![]() | LINK-USDT | $19.44 0.0071411 Eth | $5,029,263.00 258,724.570 LINK | 1.4831% |
17 | ![]() | LINK-FDUSD | $19.46 0.0071464 Eth | $4,600,953.00 238,615.090 LINK | 1.3678% |
18 | ![]() | LINK-USDT | $19.44 0.0071416 Eth | $4,313,416.00 221,857.330 LINK | 1.2718% |
19 | ![]() | LINK-USD | $19.47 0.0071495 Eth | $3,934,449.00 202,118.311 LINK | 1.1586% |
20 | ![]() | LINK-USDT | $19.44 0.0071448 Eth | $3,738,807.00 193,987.654 LINK | 1.1120% |
21 | ![]() | LINK-USDT | $19.44 0.0071387 Eth | $3,595,686.00 184,939.850 LINK | 1.0601% |
22 | ![]() | LINK-USDT | $19.44 0.0071423 Eth | $3,168,634.00 162,971.433 LINK | 0.9342% |
23 | ![]() | LINK-USDT | $19.44 0.0071415 Eth | $2,581,950.00 133,952.846 LINK | 0.7679% |
24 | ![]() | LINK-EUR | $19.45 0.0071465 Eth | $2,565,964.00 131,926.150 LINK | 0.7562% |
25 | ![]() | LINK-USDT | $19.44 0.0071429 Eth | $2,072,551.00 107,730.765 LINK | 0.6175% |
26 | ![]() | LINK-USDT | $19.44 0.0071416 Eth | $2,055,945.00 105,756.080 LINK | 0.6062% |
27 | ![]() | LINK-EUR | $19.48 0.0071514 Eth | $1,935,293.00 99,329.359 LINK | 0.5694% |
28 | ![]() | LINK-USDT | $19.44 0.0071414 Eth | $1,699,289.00 87,607.092 LINK | 0.5022% |
29 | ![]() | LINK-GBP | $19.45 0.0071464 Eth | $1,678,833.00 86,316.390 LINK | 0.4948% |
30 | ![]() | LINK-USDT | $19.44 0.0071411 Eth | $1,571,597.00 81,734.750 LINK | 0.4685% |
31 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.49 0.0071605 Eth | $1,470,588.00 76,373.151 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4378% |
32 | ![]() | LINK-ETH | $19.41 0.0071295 Eth | $1,262,484.00 65,691.680 LINK | 0.3766% |
33 | ![]() | LINK-BTC | $19.44 0.0071415 Eth | $1,074,454.00 55,692.300 LINK | 0.3192% |
34 | ![]() | LINK-USDT | $19.43 0.0071411 Eth | $1,007,155.00 52,238.774 LINK | 0.2995% |
35 | ![]() | LINK-USDC | $19.43 0.0071365 Eth | $819,150.00 42,699.090 LINK | 0.2448% |
36 | ![]() | LINK-USDT | $19.45 0.0071439 Eth | $751,944.00 39,182.640 LINK | 0.2246% |
37 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.48 0.0071562 Eth | $746,010.00 38,928.275 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2232% |
38 | ![]() | LINK-USDT | $19.45 0.0071454 Eth | $725,674.00 37,301.587 LINK | 0.2138% |
39 | ![]() | LINK-USDT | $19.44 0.0071423 Eth | $681,152.00 35,033.520 LINK | 0.2008% |
40 | ![]() | LINK-BTC | $19.44 0.0071419 Eth | $649,505.00 33,404.255 LINK | 0.1915% |
41 | ![]() | LINK-EUR | $19.51 0.0071637 Eth | $648,677.00 33,669.610 LINK | 0.1930% |
42 | ![]() | LINK-USD | $19.45 0.0071447 Eth | $640,010.00 32,900.985 LINK | 0.1886% |
43 | ![]() | LINK-BTC | $19.42 0.0071336 Eth | $598,865.00 30,841.250 LINK | 0.1768% |
44 | ![]() | LINK-JPY | $19.51 0.0071644 Eth | $578,454.00 29,653.824 LINK | 0.1700% |
45 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.44 0.0071424 Eth | $578,443.00 574,291.998 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.2920% |
46 | ![]() | LINK-USDT | $19.43 0.0071386 Eth | $572,773.00 29,478.390 LINK | 0.1690% |
47 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.44 0.0071424 Eth | $563,186.00 29,159.207 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1672% |
48 | ![]() | LINK-TRY | $19.52 0.0071719 Eth | $543,778.00 28,297.700 LINK | 0.1622% |
49 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.42 0.0071339 Eth | $537,100.00 28,002.313 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1605% |
50 | ![]() | LINK-USDC | $19.44 0.0071408 Eth | $502,826.00 26,073.554 LINK | 0.1495% |
51 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.46 0.0071477 Eth | $487,880.00 25,159.783 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1442% |
52 | ![]() | LINK-USDT | $19.44 0.0071407 Eth | $448,321.00 23,269.477 LINK | 0.1334% |
53 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.41 0.0071305 Eth | $403,842.00 39,807.331 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2282% |
54 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.43 0.0071393 Eth | $393,708.00 20,379.148 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1168% |
55 | ![]() | LINK-USDC | $19.48 0.0071549 Eth | $391,478.00 20,324.052 LINK | 0.1165% |
56 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.42 0.0071316 Eth | $341,965.00 17,763.246 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1018% |
57 | ![]() | LINK-BTC | $19.44 0.0071412 Eth | $266,065.00 13,686.520 LINK | 0.0785% |
58 | ![]() | LINK-USDC | $19.43 0.0071374 Eth | $266,011.00 13,768.569 LINK | 0.0789% |
59 | ![]() | LINK-USDT | $19.44 0.0071420 Eth | $231,082.00 12,037.000 LINK | 0.0690% |
60 | ![]() | LINK-BTC | $19.45 0.0071430 Eth | $224,278.00 11,531.850 LINK | 0.0661% |
61 | ![]() | LINK-TRY | $19.46 0.0071460 Eth | $196,741.00 10,278.180 LINK | 0.0589% |
62 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.44 0.0071397 Eth | $188,168.00 9,756.398 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0559% |
63 | ![]() | LINK-JPY | $19.58 0.0071948 Eth | $187,641.00 9,581.700 LINK | 0.0549% |
64 | ![]() | LINK-BTC | $19.54 0.0071572 Eth | $151,454.00 7,752.700 LINK | 0.0444% |
65 | ![]() | LINK-USDC | $19.48 0.0071515 Eth | $141,352.00 7,254.440 LINK | 0.0416% |
66 | ![]() | LINK-GBP | $19.63 0.0072096 Eth | $138,445.00 7,052.752 LINK | 0.0404% |
67 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.41 0.0071320 Eth | $137,905.00 7,161.386 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0411% |
68 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.43 0.0071372 Eth | $128,772.00 6,676.865 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0383% |
69 | ![]() | LINK-ETH | $19.50 0.0071643 Eth | $114,838.00 5,889.040 LINK | 0.0338% |
70 | ![]() | LINK-ETH | $19.45 0.0071424 Eth | $104,873.00 5,392.560 LINK | 0.0309% |
71 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.49 0.0071605 Eth | $100,893.00 99,554.923 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5707% |
72 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.55 0.0071817 Eth | $97,596.00 96,225.270 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5516% |
73 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $19.53 0.0071750 Eth | $97,120.00 5,031.725 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0288% |
74 | ![]() | LINK-USDC | $19.59 0.0071963 Eth | $91,553.00 4,672.571 LINK | 0.0268% |
75 | ![]() | LINK-PLN | $19.55 0.0071824 Eth | $85,134.00 0.000 LINK | 0.0000% |
76 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $19.34 0.0071043 Eth | $76,505.00 3,974.599 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0228% |
77 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.42 0.0071331 Eth | $73,525.00 3,813.600 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0219% |
78 | ![]() | LINK-ETH | $19.41 0.0071314 Eth | $69,017.00 3,555.140 LINK | 0.0204% |
79 | ![]() | LINK-USDT | $19.46 0.0071483 Eth | $56,985.00 2,927.962 LINK | 0.0168% |
80 | ![]() | LINK-USD | $19.50 0.0071514 Eth | $50,530.00 2,591.399 LINK | 0.0149% |
81 | ![]() | LINK-BTC | $19.40 0.0071278 Eth | $46,678.00 2,405.994 LINK | 0.0138% |
82 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.44 0.0071410 Eth | $44,201.00 2,296.778 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0132% |
83 | ![]() | LINK-ETH | $19.47 0.0071460 Eth | $42,933.00 2,205.150 LINK | 0.0126% |
84 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.55 0.0071811 Eth | $38,425.00 1,992.098 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0114% |
85 | ![]() | LINK-BTC | $19.48 0.0071552 Eth | $37,069.00 1,902.758 LINK | 0.0109% |
86 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.50 0.0071642 Eth | $33,862.00 1,751.216 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0100% |
87 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $19.41 0.0071291 Eth | $22,149.00 29.936 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
88 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.44 0.0071425 Eth | $16,610.31 16,477.229 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0945% |
89 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.38 0.0071189 Eth | $14,661.64 751.233 0X5947BB275C521040051D82396192181B413227A3 | 0.0043% |
90 | ![]() | LINK-ETH | $19.43 0.0071384 Eth | $14,153.45 728.440 LINK | 0.0042% |
91 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $19.44 0.0071418 Eth | $13,994.63 726.345 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0042% |
92 | ![]() | LINK-TRY | $19.30 0.0070858 Eth | $12,212.60 632.819 LINK | 0.0036% |
93 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $19.50 0.0071632 Eth | $11,889.65 618.991 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0035% |
94 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $19.81 0.0072778 Eth | $11,321.58 1,370.165 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0079% |
95 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $19.53 0.0071746 Eth | $9,513.08 491.310 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0028% |
96 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.46 0.0071475 Eth | $8,334.35 432.860 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0025% |
97 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.57 0.0071907 Eth | $8,168.62 418.715 0X5947BB275C521040051D82396192181B413227A3 | 0.0024% |
98 | ![]() | LINK-USDC | $19.50 0.0071469 Eth | $7,588.36 399.423 LINK | 0.0023% |
99 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.49 0.0071597 Eth | $7,118.28 26.979 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
100 | ![]() | 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.42 0.0071332 Eth | $4,490.52 16.990 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9 | 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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