ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
733,514 ( 0.005%)
Market
Price
$19.11 @ 0.007147 ETH (+6.67%)
Onchain Market Cap
$19,110,000,000.00
Circulating Supply Market Cap
$12,196,274,967.00
Other Info
Token Contract (WITH 18 Decimals)
Filtered by Token Holder
KuCoin Dep: 0x60311C18d1da3CaAe425A326dd153922f17aBa29Balance
0 LINKValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $19.13 0.0071480 Eth | $64,812,713.00 3,455,886.950 LINK | 21.9025% |
2 | ![]() | LINK-USD | $19.09 0.0071347 Eth | $25,430,105.00 1,331,977.030 LINK | 8.4417% |
3 | ![]() | LINK-USDT | $19.12 0.0071451 Eth | $22,327,943.00 1,189,966.433 LINK | 7.5417% |
4 | ![]() | LINK-USDT | $19.10 0.0071421 Eth | $18,305,538.00 975,657.315 LINK | 6.1835% |
5 | ![]() | LINK-USDT | $19.13 0.0071484 Eth | $16,217,180.00 864,500.420 LINK | 5.4790% |
6 | ![]() | LINK-USDT | $19.11 0.0071407 Eth | $13,431,985.00 702,801.650 LINK | 4.4542% |
7 | ![]() | LINK-USDT | $19.11 0.0071402 Eth | $10,994,391.00 575,439.440 LINK | 3.6470% |
8 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.20 0.0071716 Eth | $10,653,225.00 564,076.939 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.5750% |
9 | ![]() | LINK-USDT | $19.12 0.0071443 Eth | $8,483,692.00 452,231.194 LINK | 2.8661% |
10 | ![]() | LINK-USDT | $19.10 0.0071365 Eth | $6,488,574.00 346,158.440 LINK | 2.1939% |
11 | ![]() | LINK-USDT | $19.13 0.0071512 Eth | $6,059,245.00 322,889.700 LINK | 2.0464% |
12 | ![]() | LINK-USDT | $19.10 0.0071352 Eth | $5,875,812.00 313,523.370 LINK | 1.9870% |
13 | ![]() | LINK-USDT | $19.13 0.0071482 Eth | $5,819,908.00 304,155.141 LINK | 1.9277% |
14 | ![]() | LINK-USDT | $19.10 0.0071344 Eth | $4,815,553.00 252,099.460 LINK | 1.5977% |
15 | ![]() | LINK-USDT | $19.12 0.0071425 Eth | $4,700,609.00 245,821.280 LINK | 1.5580% |
16 | ![]() | LINK-FDUSD | $19.15 0.0071529 Eth | $4,665,741.00 248,569.510 LINK | 1.5754% |
17 | ![]() | LINK-USDC | $19.15 0.0071555 Eth | $4,488,028.00 239,413.630 LINK | 1.5173% |
18 | ![]() | LINK-USDT | $19.10 0.0071408 Eth | $4,065,712.00 212,888.579 LINK | 1.3492% |
19 | ![]() | LINK-USD | $19.13 0.0071528 Eth | $4,051,722.00 211,799.375 LINK | 1.3423% |
20 | ![]() | LINK-USDT | $19.12 0.0071439 Eth | $3,693,765.00 193,174.520 LINK | 1.2243% |
21 | ![]() | LINK-EUR | $19.15 0.0071551 Eth | $3,350,838.00 175,016.973 LINK | 1.1092% |
22 | ![]() | LINK-USDT | $19.13 0.0071455 Eth | $3,147,434.00 164,567.582 LINK | 1.0430% |
23 | ![]() | LINK-EUR | $19.12 0.0071488 Eth | $2,545,456.00 133,136.670 LINK | 0.8438% |
24 | ![]() | LINK-USDT | $19.12 0.0071433 Eth | $2,473,011.00 131,721.476 LINK | 0.8348% |
25 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.10 0.0071428 Eth | $2,214,695.00 117,495.142 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7447% |
26 | ![]() | LINK-USDT | $19.12 0.0071409 Eth | $2,204,645.00 117,367.412 LINK | 0.7438% |
27 | ![]() | LINK-USDT | $19.11 0.0071407 Eth | $2,156,357.00 112,820.562 LINK | 0.7150% |
28 | ![]() | LINK-GBP | $19.12 0.0071430 Eth | $1,440,797.00 75,362.620 LINK | 0.4776% |
29 | ![]() | LINK-USDT | $19.12 0.0071462 Eth | $1,410,481.00 75,247.770 LINK | 0.4769% |
30 | ![]() | LINK-ETH | $19.12 0.0071433 Eth | $1,296,300.00 68,671.360 LINK | 0.4352% |
31 | ![]() | LINK-USDT | $19.10 0.0071375 Eth | $1,293,757.00 68,666.613 LINK | 0.4352% |
32 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.10 0.0071341 Eth | $1,168,738.00 61,841.678 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3919% |
33 | ![]() | LINK-BTC | $19.11 0.0071420 Eth | $1,060,672.00 56,393.200 LINK | 0.3574% |
34 | ![]() | LINK-USDT | $19.10 0.0071376 Eth | $972,488.00 51,772.941 LINK | 0.3281% |
35 | ![]() | LINK-USDT | $19.13 0.0071484 Eth | $908,714.00 48,462.580 LINK | 0.3071% |
36 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.19 0.0071683 Eth | $843,343.00 87,662.730 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.5556% |
37 | ![]() | LINK-USDC | $19.12 0.0071414 Eth | $809,010.00 43,045.990 LINK | 0.2728% |
38 | ![]() | LINK-USDT | $19.15 0.0071557 Eth | $745,063.00 38,897.290 LINK | 0.2465% |
39 | ![]() | LINK-USDT | $19.14 0.0071532 Eth | $701,739.00 36,660.625 LINK | 0.2323% |
40 | ![]() | LINK-USDT | $19.08 0.0071253 Eth | $631,617.00 33,111.910 LINK | 0.2099% |
41 | ![]() | LINK-ETH | $19.13 0.0071471 Eth | $601,595.00 31,455.250 LINK | 0.1994% |
42 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.15 0.0071620 Eth | $580,056.00 30,754.014 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1949% |
43 | ![]() | LINK-USDT | $19.11 0.0071410 Eth | $540,512.00 28,285.710 LINK | 0.1793% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $19.07 0.0071312 Eth | $530,742.00 28,320.083 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1795% |
45 | ![]() | LINK-JPY | $19.10 0.0071363 Eth | $529,327.00 27,709.613 LINK | 0.1756% |
46 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.12 0.0071480 Eth | $528,028.00 27,714.252 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1756% |
47 | ![]() | LINK-TRY | $19.11 0.0071387 Eth | $495,767.00 26,426.730 LINK | 0.1675% |
48 | ![]() | LINK-BTC | $19.09 0.0071336 Eth | $434,568.00 22,758.650 LINK | 0.1442% |
49 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.12 0.0071494 Eth | $425,719.00 22,579.628 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1431% |
50 | ![]() | LINK-TRY | $19.07 0.0071281 Eth | $421,608.00 22,107.710 LINK | 0.1401% |
51 | ![]() | LINK-USD | $19.11 0.0071425 Eth | $411,218.00 21,516.078 LINK | 0.1364% |
52 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.07 0.0071313 Eth | $334,211.00 328,573.149 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.0824% |
53 | ![]() | LINK-USDC | $19.11 0.0071384 Eth | $330,975.00 17,621.314 LINK | 0.1117% |
54 | ![]() | LINK-ETH | $19.13 0.0071491 Eth | $320,308.00 16,973.320 LINK | 0.1076% |
55 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.12 0.0071505 Eth | $276,854.00 14,789.586 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0937% |
56 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.12 0.0071466 Eth | $266,294.00 14,120.693 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0895% |
57 | ![]() | LINK-BTC | $19.11 0.0071378 Eth | $264,555.00 13,845.620 LINK | 0.0877% |
58 | ![]() | LINK-USDT | $19.12 0.0071409 Eth | $257,457.00 13,755.000 LINK | 0.0872% |
59 | ![]() | LINK-USDC | $19.10 0.0071388 Eth | $257,191.00 13,709.276 LINK | 0.0869% |
60 | ![]() | LINK-EUR | $19.09 0.0071334 Eth | $234,629.00 12,288.590 LINK | 0.0779% |
61 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.12 0.0071447 Eth | $174,086.00 9,291.314 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0589% |
62 | ![]() | LINK-BTC | $19.14 0.0071511 Eth | $164,400.00 8,591.170 LINK | 0.0544% |
63 | ![]() | LINK-BTC | $19.10 0.0071372 Eth | $160,896.00 8,422.437 LINK | 0.0534% |
64 | ![]() | LINK-USDC | $19.14 0.0071511 Eth | $148,656.00 7,768.300 LINK | 0.0492% |
65 | ![]() | LINK-BTC | $19.12 0.0071426 Eth | $140,909.00 7,370.760 LINK | 0.0467% |
66 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.16 0.0071579 Eth | $138,891.00 7,422.944 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0470% |
67 | ![]() | LINK-USDC | $19.21 0.0071829 Eth | $125,497.00 6,532.754 LINK | 0.0414% |
68 | ![]() | LINK-EUR | $19.00 0.0070993 Eth | $124,789.00 6,696.829 LINK | 0.0424% |
69 | ![]() | LINK-ETH | $19.13 0.0071488 Eth | $124,526.00 6,509.500 LINK | 0.0413% |
70 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.10 0.0071428 Eth | $120,068.00 117,552.082 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.7450% |
71 | ![]() | LINK-USDT | $19.18 0.0071631 Eth | $110,414.00 5,757.773 LINK | 0.0365% |
72 | ![]() | LINK-JPY | $19.03 0.0071104 Eth | $108,113.00 5,680.900 LINK | 0.0360% |
73 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $19.13 0.0071510 Eth | $96,123.00 5,123.199 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0325% |
74 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $19.06 0.0071274 Eth | $94,604.00 5,029.494 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0319% |
75 | ![]() | LINK-THB | $19.13 0.0071469 Eth | $94,423.00 4,936.958 LINK | 0.0313% |
76 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.15 0.0071539 Eth | $82,268.00 4,396.208 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0279% |
77 | ![]() | LINK-USD | $19.08 0.0071255 Eth | $79,625.00 4,173.527 LINK | 0.0265% |
78 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.16 0.0071589 Eth | $77,701.00 75,996.261 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4816% |
79 | ![]() | LINK-ETH | $19.11 0.0071385 Eth | $70,920.00 3,711.220 LINK | 0.0235% |
80 | ![]() | LINK-IDR | $19.07 0.0071272 Eth | $62,132.00 3,257.753 LINK | 0.0206% |
81 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.11 0.0071399 Eth | $57,515.00 3,047.771 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0193% |
82 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.13 0.0071509 Eth | $50,464.00 2,675.205 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0170% |
83 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.05 0.0071181 Eth | $46,772.00 2,465.549 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0156% |
84 | ![]() | LINK-ETH | $19.15 0.0071536 Eth | $45,637.00 2,383.590 LINK | 0.0151% |
85 | ![]() | LINK-BTC | $19.22 0.0071821 Eth | $34,872.00 1,814.478 LINK | 0.0115% |
86 | ![]() | LINK-BTC | $19.17 0.0071673 Eth | $30,983.00 1,616.328 LINK | 0.0102% |
87 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $19.06 0.0071206 Eth | $27,536.00 1,437.007 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0091% |
88 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.15 0.0071611 Eth | $26,491.00 1,392.115 0X5947BB275C521040051D82396192181B413227A3 | 0.0088% |
89 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.09 0.0071381 Eth | $21,338.00 1,119.935 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0071% |
90 | ![]() | LINK-ETH | $19.13 0.0071527 Eth | $17,572.97 918.630 LINK | 0.0058% |
91 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.08 0.0071288 Eth | $16,301.15 872.933 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0055% |
92 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $19.19 0.0071755 Eth | $15,295.10 22.530 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
93 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.19 0.0071670 Eth | $14,974.74 14,638.792 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0928% |
94 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.12 0.0071446 Eth | $13,896.28 736.396 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0047% |
95 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $19.08 0.0071269 Eth | $13,663.41 733.400 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0046% |
96 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.12 0.0071417 Eth | $11,830.89 46.432 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0003% |
97 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.09 0.0071316 Eth | $11,654.66 603.016 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0038% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $19.09 0.0071347 Eth | $10,529.50 563.618 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0036% |
99 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $19.07 0.0071312 Eth | $9,108.56 487.856 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0031% |
100 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.19 0.0071723 Eth | $8,157.52 430.140 0X5947BB275C521040051D82396192181B413227A3 | 0.0027% |
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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