ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
738,972 ( 0.007%)
Market
Price
$16.61 @ 0.006207 ETH (-6.49%)
Onchain Market Cap
$16,610,000,000.00
Circulating Supply Market Cap
$10,640,213,366.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $16.62 0.0062092 Eth | $24,617,897.00 1,481,240.800 LINK | 14.3641% |
2 | ![]() | LINK-USD | $16.63 0.0062123 Eth | $14,198,740.00 854,059.560 LINK | 8.2821% |
3 | ![]() | LINK-USDT | $16.59 0.0061971 Eth | $13,316,559.00 777,418.291 LINK | 7.5389% |
4 | ![]() | LINK-USDT | $16.59 0.0061930 Eth | $9,836,047.00 579,196.804 LINK | 5.6167% |
5 | ![]() | LINK-USDT | $16.59 0.0061962 Eth | $8,538,400.00 514,684.990 LINK | 4.9911% |
6 | ![]() | LINK-USDT | $16.58 0.0061896 Eth | $7,567,714.00 456,565.090 LINK | 4.4275% |
7 | ![]() | LINK-USDT | $16.58 0.0061896 Eth | $6,693,411.00 394,165.365 LINK | 3.8224% |
8 | ![]() | LINK-USDT | $16.61 0.0061990 Eth | $6,246,144.00 369,638.840 LINK | 3.5845% |
9 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $16.58 0.0061954 Eth | $6,184,531.00 372,211.458 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.6095% |
10 | ![]() | LINK-USDT | $16.55 0.0061806 Eth | $5,071,208.00 299,655.379 LINK | 2.9059% |
11 | ![]() | LINK-FDUSD | $16.63 0.0061894 Eth | $4,996,979.00 295,141.560 LINK | 2.8621% |
12 | ![]() | LINK-USDT | $16.57 0.0061932 Eth | $4,190,474.00 246,800.720 LINK | 2.3933% |
13 | ![]() | LINK-EUR | $16.61 0.0062017 Eth | $4,166,834.00 250,845.510 LINK | 2.4325% |
14 | ![]() | LINK-USDC | $16.62 0.0062114 Eth | $4,017,645.00 241,727.930 LINK | 2.3441% |
15 | ![]() | LINK-USDT | $16.59 0.0061995 Eth | $3,767,428.00 221,813.160 LINK | 2.1510% |
16 | ![]() | LINK-USDT | $16.61 0.0061990 Eth | $3,646,420.00 219,592.290 LINK | 2.1295% |
17 | ![]() | LINK-USDT | $16.60 0.0061979 Eth | $3,321,310.00 200,079.140 LINK | 1.9402% |
18 | ![]() | LINK-USDT | $16.64 0.0061947 Eth | $2,691,267.00 161,721.055 LINK | 1.5683% |
19 | ![]() | LINK-USDT | $16.61 0.0062009 Eth | $2,567,508.00 154,618.750 LINK | 1.4994% |
20 | ![]() | LINK-USDT | $16.58 0.0061962 Eth | $2,555,147.00 150,402.665 LINK | 1.4585% |
21 | ![]() | LINK-USDT | $16.69 0.0062119 Eth | $2,321,031.00 139,088.360 LINK | 1.3488% |
22 | ![]() | LINK-USDT | $16.63 0.0062123 Eth | $1,989,636.00 119,655.574 LINK | 1.1603% |
23 | ![]() | LINK-USDT | $16.62 0.0062027 Eth | $1,949,522.00 113,937.599 LINK | 1.1049% |
24 | ![]() | LINK-USDT | $16.59 0.0061990 Eth | $1,736,915.00 102,418.155 LINK | 0.9932% |
25 | ![]() | LINK-USDT | $16.58 0.0061896 Eth | $1,361,346.00 82,114.476 LINK | 0.7963% |
26 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $16.59 0.0061924 Eth | $1,242,838.00 74,726.159 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7246% |
27 | ![]() | LINK-USDT | $16.56 0.0061872 Eth | $1,202,285.00 70,237.150 LINK | 0.6811% |
28 | ![]() | LINK-EUR | $16.59 0.0062005 Eth | $1,124,219.00 67,769.741 LINK | 0.6572% |
29 | ![]() | LINK-USDT | $16.64 0.0062167 Eth | $1,123,376.00 66,116.674 LINK | 0.6412% |
30 | ![]() | LINK-EUR | $16.61 0.0062028 Eth | $970,126.00 58,403.330 LINK | 0.5664% |
31 | ![]() | LINK-BTC | $16.59 0.0061947 Eth | $934,872.00 54,616.200 LINK | 0.5296% |
32 | ![]() | LINK-ETH | $16.59 0.0061990 Eth | $925,306.00 55,562.400 LINK | 0.5388% |
33 | ![]() | LINK-GBP | $16.61 0.0062043 Eth | $750,151.00 45,149.040 LINK | 0.4378% |
34 | ![]() | LINK-USDT | $16.62 0.0062099 Eth | $652,199.00 38,481.148 LINK | 0.3732% |
35 | ![]() | LINK-USDC | $16.57 0.0061952 Eth | $613,461.00 35,851.560 LINK | 0.3477% |
36 | ![]() | LINK-JPY | $16.56 0.0061834 Eth | $606,227.00 36,618.156 LINK | 0.3551% |
37 | ![]() | LINK-USDT | $16.58 0.0061900 Eth | $492,755.00 29,726.061 LINK | 0.2883% |
38 | ![]() | LINK-USDT | $16.65 0.0062195 Eth | $487,676.00 29,281.840 LINK | 0.2840% |
39 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $16.59 0.0061994 Eth | $428,117.00 25,287.645 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2452% |
40 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $16.59 0.0062000 Eth | $406,866.00 24,226.563 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2349% |
41 | ![]() | LINK-BTC | $16.56 0.0061859 Eth | $395,345.00 23,871.950 LINK | 0.2315% |
42 | ![]() | LINK-BTC | $16.57 0.0061930 Eth | $369,500.00 22,300.828 LINK | 0.2163% |
43 | ![]() | LINK-USD | $16.60 0.0061987 Eth | $344,163.00 20,728.951 LINK | 0.2010% |
44 | ![]() | LINK-USDC | $16.61 0.0062051 Eth | $315,233.00 18,574.960 LINK | 0.1801% |
45 | ![]() | LINK-ETH | $16.59 0.0061999 Eth | $297,069.00 17,860.810 LINK | 0.1732% |
46 | ![]() | LINK-BTC | $16.59 0.0061983 Eth | $277,127.00 16,705.240 LINK | 0.1620% |
47 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $16.56 0.0061889 Eth | $271,054.00 280,507.915 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7202% |
48 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.60 0.0061961 Eth | $267,461.00 16,120.302 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1563% |
49 | ![]() | LINK-ETH | $16.60 0.0062000 Eth | $236,217.00 14,175.050 LINK | 0.1375% |
50 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $16.69 0.0062316 Eth | $234,183.00 13,702.768 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1329% |
51 | ![]() | LINK-JPY | $16.56 0.0061866 Eth | $226,434.00 13,676.600 LINK | 0.1326% |
52 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $16.58 0.0061954 Eth | $211,723.00 24,757.070 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2401% |
53 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.56 0.0061889 Eth | $207,040.00 12,477.187 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1210% |
54 | ![]() | LINK-USDC | $16.62 0.0062065 Eth | $196,623.00 11,542.900 LINK | 0.1119% |
55 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $16.67 0.0062301 Eth | $183,776.00 10,858.560 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1053% |
56 | ![]() | LINK-TRY | $16.75 0.0062522 Eth | $173,074.00 10,044.020 LINK | 0.0974% |
57 | ![]() | LINK-BTC | $16.67 0.0062286 Eth | $156,112.00 9,363.820 LINK | 0.0908% |
58 | ![]() | LINK-ETH | $16.62 0.0062084 Eth | $153,588.00 9,243.250 LINK | 0.0896% |
59 | ![]() | LINK-THB | $16.63 0.0062075 Eth | $149,487.00 8,990.857 LINK | 0.0872% |
60 | ![]() | LINK-USDC | $16.55 0.0061799 Eth | $149,181.00 8,814.123 LINK | 0.0855% |
61 | ![]() | LINK-GBP | $16.69 0.0062303 Eth | $147,617.00 8,845.925 LINK | 0.0858% |
62 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $16.65 0.0062204 Eth | $146,002.00 8,775.275 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0851% |
63 | ![]() | LINK-BTC | $16.63 0.0062024 Eth | $132,569.00 7,970.740 LINK | 0.0773% |
64 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.61 0.0062044 Eth | $123,084.00 7,398.822 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0717% |
65 | ![]() | LINK-USDC | $16.59 0.0062024 Eth | $118,367.00 7,133.120 LINK | 0.0692% |
66 | ![]() | LINK-USDC | $16.59 0.0061962 Eth | $110,100.00 6,635.312 LINK | 0.0643% |
67 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $16.39 0.0061245 Eth | $100,272.00 6,198.398 0X5947BB275C521040051D82396192181B413227A3 | 0.0601% |
68 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $16.59 0.0061997 Eth | $99,051.00 5,776.461 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0560% |
69 | ![]() | LINK-ETH | $16.59 0.0062005 Eth | $95,044.00 5,727.340 LINK | 0.0555% |
70 | ![]() | LINK-USDT | $16.58 0.0061955 Eth | $93,028.00 5,477.230 LINK | 0.0531% |
71 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $16.59 0.0061939 Eth | $70,174.00 4,111.939 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0399% |
72 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $16.55 0.0061822 Eth | $69,979.00 4,199.727 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0407% |
73 | ![]() | LINK-PLN | $16.66 0.0062266 Eth | $60,938.00 0.000 LINK | 0.0000% |
74 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $16.59 0.0061924 Eth | $47,647.00 49,236.000 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4775% |
75 | ![]() | LINK-USDT | $16.60 0.0061987 Eth | $47,208.00 2,844.104 LINK | 0.0276% |
76 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $16.59 0.0061973 Eth | $37,628.00 39,010.624 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3783% |
77 | ![]() | LINK-ETH | $16.59 0.0062009 Eth | $36,797.00 2,217.540 LINK | 0.0215% |
78 | ![]() | LINK-BTC | $16.65 0.0062159 Eth | $35,291.00 2,120.115 LINK | 0.0206% |
79 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $16.59 0.0061973 Eth | $35,062.00 2,113.593 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0205% |
80 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $16.57 0.0061862 Eth | $33,543.00 2,062.893 0X5947BB275C521040051D82396192181B413227A3 | 0.0200% |
81 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $16.59 0.0061961 Eth | $32,771.00 33,812.897 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.3279% |
82 | ![]() | LINK-ETH | $16.59 0.0062002 Eth | $31,156.00 1,877.920 LINK | 0.0182% |
83 | ![]() | LINK-TRY | $16.50 0.0061632 Eth | $28,738.00 1,741.588 LINK | 0.0169% |
84 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $16.58 0.0061954 Eth | $25,695.00 1,512.134 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0147% |
85 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $16.63 0.0062146 Eth | $20,285.00 1,233.611 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0120% |
86 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $16.51 0.0061679 Eth | $16,442.11 1,007.072 0X5947BB275C521040051D82396192181B413227A3 | 0.0098% |
87 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $16.60 0.0062014 Eth | $15,338.02 889.111 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0086% |
88 | ![]() | LINK-BTC | $16.62 0.0062098 Eth | $14,274.98 849.137 LINK | 0.0082% |
89 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $16.65 0.0062220 Eth | $11,206.06 668.284 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0065% |
90 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $16.66 0.0062249 Eth | $9,705.19 14.089 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
91 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $16.60 0.0062022 Eth | $9,579.27 566.287 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0055% |
92 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $16.73 0.0062523 Eth | $8,675.98 505.372 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0049% |
93 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $16.61 0.0062020 Eth | $8,198.57 35.038 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0003% |
94 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $16.64 0.0062149 Eth | $6,833.41 7,085.711 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0687% |
95 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $16.60 0.0061962 Eth | $6,644.13 385.039 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0037% |
96 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $16.71 0.0062400 Eth | $5,850.85 5,979.406 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0580% |
97 | ![]() | LINK-IDR | $16.75 0.0062363 Eth | $5,450.66 322.180 LINK | 0.0031% |
98 | ![]() | LINK-USDT | $16.56 0.0061872 Eth | $4,801.54 286.740 LINK | 0.0028% |
99 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $16.72 0.0062456 Eth | $3,227.27 156.471 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0015% |
100 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $16.62 0.0062056 Eth | $2,509.63 150.992 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0015% |
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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