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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
736,756 (0.00%)
Market
Price
$18.03 @ 0.006608 ETH (+1.34%)
Onchain Market Cap
$18,030,000,000.00
Circulating Supply Market Cap
$11,480,037,356.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
50.29479857 LINKValue
$906.82 ( ~0.332365373116801 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USD | $18.05 0.0066205 Eth | $20,229,971.00 1,120,587.750 LINK | 10.5781% |
2 | ![]() | LINK-USDT | $18.05 0.0066189 Eth | $19,275,498.00 1,074,950.136 LINK | 10.1473% |
3 | ![]() | LINK-USDT | $18.07 0.0066258 Eth | $18,870,119.00 1,053,290.354 LINK | 9.9429% |
4 | ![]() | LINK-USDT | $18.01 0.0066091 Eth | $9,665,951.00 536,610.490 LINK | 5.0655% |
5 | ![]() | LINK-USDT | $18.06 0.0066221 Eth | $9,495,422.00 529,400.244 LINK | 4.9974% |
6 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.96 0.0065910 Eth | $6,852,971.00 380,480.944 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.5917% |
7 | ![]() | LINK-USDT | $18.04 0.0066162 Eth | $6,748,022.00 376,896.500 LINK | 3.5578% |
8 | ![]() | LINK-USDT | $18.06 0.0066247 Eth | $6,533,495.00 364,978.585 LINK | 3.4453% |
9 | ![]() | LINK-USDT | $17.99 0.0066059 Eth | $4,641,897.00 259,000.470 LINK | 2.4449% |
10 | ![]() | LINK-EUR | $17.90 0.0065804 Eth | $4,358,396.00 243,434.680 LINK | 2.2980% |
11 | ![]() | LINK-USDC | $18.01 0.0066112 Eth | $4,191,931.00 232,700.670 LINK | 2.1967% |
12 | ![]() | LINK-USDT | $18.06 0.0066250 Eth | $4,011,158.00 223,711.310 LINK | 2.1118% |
13 | ![]() | LINK-USDT | $17.99 0.0066055 Eth | $3,916,927.00 217,732.750 LINK | 2.0554% |
14 | ![]() | LINK-USDT | $18.06 0.0066249 Eth | $3,822,155.00 211,601.572 LINK | 1.9975% |
15 | ![]() | LINK-USDT | $17.91 0.0065962 Eth | $3,525,697.00 196,844.310 LINK | 1.8582% |
16 | ![]() | LINK-USDC | $18.06 0.0066219 Eth | $3,400,580.00 189,649.570 LINK | 1.7903% |
17 | ![]() | LINK-USDT | $18.03 0.0066157 Eth | $3,220,701.00 178,620.571 LINK | 1.6861% |
18 | ![]() | LINK-USDT | $17.91 0.0065707 Eth | $3,079,184.00 171,937.440 LINK | 1.6231% |
19 | ![]() | LINK-USDT | $18.06 0.0066239 Eth | $2,877,236.00 159,336.550 LINK | 1.5041% |
20 | ![]() | LINK-USDT | $18.03 0.0066149 Eth | $2,770,762.00 154,607.173 LINK | 1.4595% |
21 | ![]() | LINK-USDT | $17.94 0.0066051 Eth | $2,590,178.00 144,380.260 LINK | 1.3629% |
22 | ![]() | LINK-USDT | $18.00 0.0066087 Eth | $2,144,356.00 119,159.951 LINK | 1.1248% |
23 | ![]() | LINK-EUR | $17.99 0.0066042 Eth | $1,986,337.00 110,438.494 LINK | 1.0425% |
24 | ![]() | LINK-USDT | $18.05 0.0066222 Eth | $1,864,609.00 104,006.434 LINK | 0.9818% |
25 | ![]() | LINK-USDT | $18.02 0.0066113 Eth | $1,552,385.00 86,706.814 LINK | 0.8185% |
26 | ![]() | LINK-GBP | $18.00 0.0066062 Eth | $1,514,473.00 84,134.720 LINK | 0.7942% |
27 | ![]() | LINK-USDT | $17.92 0.0065994 Eth | $1,508,794.00 84,200.750 LINK | 0.7948% |
28 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.97 0.0065919 Eth | $1,508,154.00 83,904.314 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7920% |
29 | ![]() | LINK-USDT | $18.03 0.0066172 Eth | $1,263,920.00 70,536.450 LINK | 0.6659% |
30 | ![]() | LINK-ETH | $18.00 0.0066069 Eth | $1,105,506.00 61,382.880 LINK | 0.5794% |
31 | ![]() | LINK-BTC | $17.90 0.0065928 Eth | $924,046.00 51,268.000 LINK | 0.4840% |
32 | ![]() | LINK-EUR | $18.00 0.0066037 Eth | $875,116.00 48,621.820 LINK | 0.4590% |
33 | ![]() | LINK-USDT | $18.00 0.0066107 Eth | $839,723.00 46,772.668 LINK | 0.4415% |
34 | ![]() | LINK-USDT | $18.06 0.0066249 Eth | $783,239.00 43,707.840 LINK | 0.4126% |
35 | ![]() | LINK-USDT | $17.99 0.0066080 Eth | $756,050.00 42,180.722 LINK | 0.3982% |
36 | ![]() | LINK-USDC | $17.99 0.0066048 Eth | $668,275.00 37,285.030 LINK | 0.3520% |
37 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.96 0.0065929 Eth | $535,487.00 534,248.449 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 5.0432% |
38 | ![]() | LINK-USDT | $17.99 0.0066073 Eth | $492,180.00 27,355.710 LINK | 0.2582% |
39 | ![]() | LINK-USDT | $18.07 0.0066274 Eth | $486,721.00 26,941.227 LINK | 0.2543% |
40 | ![]() | LINK-USDT | $18.10 0.0066397 Eth | $473,246.00 26,150.750 LINK | 0.2469% |
41 | ![]() | LINK-BTC | $17.99 0.0066079 Eth | $447,301.00 24,859.143 LINK | 0.2347% |
42 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.00 0.0066032 Eth | $422,055.00 23,664.498 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2234% |
43 | ![]() | LINK-BTC | $17.94 0.0066042 Eth | $414,132.00 23,089.790 LINK | 0.2180% |
44 | ![]() | LINK-USD | $18.08 0.0066296 Eth | $390,067.00 21,576.747 LINK | 0.2037% |
45 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.97 0.0065926 Eth | $373,589.00 39,106.446 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3692% |
46 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.03 0.0066132 Eth | $370,124.00 20,669.156 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1951% |
47 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.90 0.0065652 Eth | $320,110.00 17,833.437 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1683% |
48 | ![]() | LINK-BTC | $18.00 0.0066039 Eth | $305,298.00 16,956.700 LINK | 0.1601% |
49 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.03 0.0066132 Eth | $294,799.00 293,018.155 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7660% |
50 | ![]() | LINK-USDC | $18.06 0.0066223 Eth | $289,556.00 16,218.396 LINK | 0.1531% |
51 | ![]() | LINK-USDC | $18.01 0.0066079 Eth | $277,610.00 15,476.786 LINK | 0.1461% |
52 | ![]() | LINK-JPY | $18.03 0.0066200 Eth | $271,690.00 15,071.746 LINK | 0.1423% |
53 | ![]() | LINK-TRY | $17.94 0.0066038 Eth | $261,308.00 14,559.330 LINK | 0.1374% |
54 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.97 0.0065938 Eth | $255,592.00 14,181.381 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1339% |
55 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.04 0.0066179 Eth | $236,133.00 13,204.844 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1247% |
56 | ![]() | LINK-ETH | $17.99 0.0066009 Eth | $215,609.00 11,961.590 LINK | 0.1129% |
57 | ![]() | LINK-USDT | $18.01 0.0066091 Eth | $208,834.00 11,659.000 LINK | 0.1101% |
58 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.97 0.0065937 Eth | $199,149.00 11,046.486 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1043% |
59 | ![]() | LINK-TRY | $18.03 0.0066186 Eth | $196,000.00 10,937.330 LINK | 0.1032% |
60 | ![]() | LINK-USDT | $17.99 0.0066063 Eth | $193,967.00 10,821.792 LINK | 0.1022% |
61 | ![]() | LINK-TRY | $17.96 0.0065856 Eth | $178,696.00 9,964.550 LINK | 0.0941% |
62 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.03 0.0066132 Eth | $171,707.00 9,518.157 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0898% |
63 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.97 0.0065900 Eth | $157,682.00 8,832.263 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0834% |
64 | ![]() | LINK-BTC | $18.08 0.0066298 Eth | $135,623.00 7,501.980 LINK | 0.0708% |
65 | ![]() | LINK-ETH | $18.03 0.0066126 Eth | $119,402.00 6,622.670 LINK | 0.0625% |
66 | ![]() | LINK-TRY | $17.96 0.0065948 Eth | $118,314.00 6,587.820 LINK | 0.0622% |
67 | ![]() | LINK-USDC | $17.97 0.0065922 Eth | $116,022.00 6,457.770 LINK | 0.0610% |
68 | ![]() | LINK-USDT | $17.99 0.0066059 Eth | $105,424.00 5,883.830 LINK | 0.0555% |
69 | ![]() | LINK-BTC | $18.09 0.0066366 Eth | $97,685.00 5,398.505 LINK | 0.0510% |
70 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.07 0.0066290 Eth | $94,427.00 5,262.899 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0497% |
71 | ![]() | LINK-ETH | $17.99 0.0065987 Eth | $87,345.00 4,855.040 LINK | 0.0458% |
72 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.94 0.0065834 Eth | $85,153.00 4,745.463 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0448% |
73 | ![]() | LINK-USDC | $17.96 0.0065855 Eth | $79,136.00 4,407.359 LINK | 0.0416% |
74 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.00 0.0066042 Eth | $72,263.00 4,018.751 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0379% |
75 | ![]() | LINK-BNB | $17.97 0.0066123 Eth | $55,222.00 3,104.728 LINK | 0.0293% |
76 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.94 0.0065816 Eth | $55,147.00 55,070.721 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5199% |
77 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.97 0.0065919 Eth | $47,842.00 47,763.752 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4509% |
78 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.01 0.0066055 Eth | $41,171.00 2,283.095 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0216% |
79 | ![]() | LINK-ETH | $17.98 0.0066021 Eth | $36,934.00 2,054.430 LINK | 0.0194% |
80 | ![]() | LINK-BTC | $18.07 0.0066297 Eth | $35,505.00 1,964.631 LINK | 0.0185% |
81 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.99 0.0065997 Eth | $35,050.00 1,946.444 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0184% |
82 | ![]() | LINK-IDR | $17.96 0.0065932 Eth | $34,722.00 1,933.803 LINK | 0.0183% |
83 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.00 0.0066056 Eth | $29,504.00 29,314.599 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.2767% |
84 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.90 0.0065697 Eth | $20,392.00 2,363.845 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0223% |
85 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.96 0.0065910 Eth | $18,641.52 1,040.359 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0098% |
86 | ![]() | LINK-ETH | $17.99 0.0066008 Eth | $15,944.54 886.260 LINK | 0.0084% |
87 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.97 0.0065900 Eth | $15,411.16 865.145 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0082% |
88 | ![]() | LINK-USDC | $17.83 0.0065394 Eth | $14,203.10 796.504 LINK | 0.0075% |
89 | ![]() | LINK-BTC | $17.95 0.0065900 Eth | $13,537.69 746.893 LINK | 0.0071% |
90 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.01 0.0066077 Eth | $12,389.88 12,324.155 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1163% |
91 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.89 0.0065601 Eth | $12,340.65 17.341 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
92 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.03 0.0066136 Eth | $10,942.98 611.127 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0058% |
93 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $17.95 0.0065838 Eth | $8,535.91 476.643 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0045% |
94 | ![]() | LINK-TRY | $17.79 0.0065479 Eth | $7,877.10 442.837 LINK | 0.0042% |
95 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.95 0.0065850 Eth | $7,189.19 401.527 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0038% |
96 | ![]() | LINK-BTC | $17.90 0.0065626 Eth | $6,023.57 336.599 LINK | 0.0032% |
97 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.97 0.0065917 Eth | $5,859.07 325.728 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0031% |
98 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $17.97 0.0065917 Eth | $5,740.78 317.883 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0030% |
99 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | $17.93 0.0065841 Eth | $5,150.66 290.255 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0027% |
100 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.97 0.0065919 Eth | $4,652.80 18.396 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
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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