ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
737,076 ( 0.039%)
Market
Price
$18.19 @ 0.006661 ETH (+2.03%)
Onchain Market Cap
$18,190,000,000.00
Circulating Supply Market Cap
$11,607,824,797.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $18.22 0.0066759 Eth | $50,543,032.00 2,788,141.910 LINK | 17.1735% |
2 | ![]() | LINK-USDT | $18.19 0.0066609 Eth | $30,920,900.00 1,699,784.400 LINK | 10.4698% |
3 | ![]() | LINK-USDT | $18.18 0.0066617 Eth | $26,364,612.00 1,450,050.150 LINK | 8.9315% |
4 | ![]() | LINK-USD | $18.17 0.0066538 Eth | $24,509,742.00 1,348,838.370 LINK | 8.3081% |
5 | ![]() | LINK-USDT | $18.18 0.0066651 Eth | $20,771,303.00 1,144,555.943 LINK | 7.0499% |
6 | ![]() | LINK-USDT | $18.19 0.0066683 Eth | $17,071,059.00 940,969.818 LINK | 5.7959% |
7 | ![]() | LINK-USDT | $18.22 0.0066757 Eth | $10,441,712.00 573,149.130 LINK | 3.5303% |
8 | ![]() | LINK-USDT | $18.19 0.0066684 Eth | $10,434,081.00 573,461.840 LINK | 3.5322% |
9 | ![]() | LINK-USDT | $18.21 0.0066728 Eth | $7,113,642.00 392,549.963 LINK | 2.4179% |
10 | ![]() | LINK-USDT | $18.20 0.0066688 Eth | $6,870,388.00 379,343.540 LINK | 2.3366% |
11 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.16 0.0066488 Eth | $6,184,488.00 341,869.689 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.1057% |
12 | ![]() | LINK-USDT | $18.18 0.0066566 Eth | $5,040,996.00 278,099.910 LINK | 1.7129% |
13 | ![]() | LINK-USDT | $18.13 0.0066381 Eth | $4,432,175.00 244,516.760 LINK | 1.5061% |
14 | ![]() | LINK-EUR | $18.14 0.0066431 Eth | $4,412,073.00 243,208.890 LINK | 1.4980% |
15 | ![]() | LINK-USDT | $18.19 0.0066634 Eth | $4,299,307.00 236,327.610 LINK | 1.4557% |
16 | ![]() | LINK-FDUSD | $18.19 0.0066687 Eth | $4,254,081.00 234,736.290 LINK | 1.4459% |
17 | ![]() | LINK-USDC | $18.20 0.0066661 Eth | $4,175,960.00 229,391.550 LINK | 1.4129% |
18 | ![]() | LINK-USDT | $18.21 0.0066651 Eth | $3,776,895.00 207,360.560 LINK | 1.2772% |
19 | ![]() | LINK-USDT | $18.17 0.0066549 Eth | $3,037,563.00 167,185.660 LINK | 1.0298% |
20 | ![]() | LINK-USDT | $18.17 0.0066618 Eth | $2,988,199.00 164,907.353 LINK | 1.0157% |
21 | ![]() | LINK-USDT | $18.17 0.0066520 Eth | $2,722,965.00 149,878.940 LINK | 0.9232% |
22 | ![]() | LINK-USDT | $18.18 0.0066565 Eth | $2,383,139.00 131,091.034 LINK | 0.8075% |
23 | ![]() | LINK-USD | $18.19 0.0066678 Eth | $2,230,365.00 122,592.679 LINK | 0.7551% |
24 | ![]() | LINK-USDT | $18.17 0.0066520 Eth | $2,007,634.00 110,759.808 LINK | 0.6822% |
25 | ![]() | LINK-EUR | $18.20 0.0066684 Eth | $1,988,898.00 109,290.821 LINK | 0.6732% |
26 | ![]() | LINK-GBP | $18.17 0.0066560 Eth | $1,786,973.00 98,342.790 LINK | 0.6057% |
27 | ![]() | LINK-USDT | $18.18 0.0066562 Eth | $1,692,547.00 93,296.156 LINK | 0.5747% |
28 | ![]() | LINK-USDT | $18.19 0.0066614 Eth | $1,642,811.00 90,336.385 LINK | 0.5564% |
29 | ![]() | LINK-EUR | $18.17 0.0066612 Eth | $1,484,982.00 81,706.270 LINK | 0.5033% |
30 | ![]() | LINK-USDT | $18.17 0.0066554 Eth | $1,447,856.00 79,842.470 LINK | 0.4918% |
31 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.10 0.0066348 Eth | $1,152,843.00 63,809.684 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3930% |
32 | ![]() | LINK-ETH | $18.18 0.0066586 Eth | $1,071,048.00 59,152.000 LINK | 0.3643% |
33 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.16 0.0066575 Eth | $950,274.00 52,583.415 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3239% |
34 | ![]() | LINK-BTC | $18.15 0.0066469 Eth | $920,835.00 50,345.900 LINK | 0.3101% |
35 | ![]() | LINK-USDT | $18.18 0.0066571 Eth | $841,476.00 46,356.210 LINK | 0.2855% |
36 | ![]() | LINK-USDT | $18.15 0.0066510 Eth | $834,763.00 46,050.677 LINK | 0.2836% |
37 | ![]() | LINK-USDT | $18.16 0.0066487 Eth | $813,360.00 44,866.521 LINK | 0.2764% |
38 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.14 0.0066495 Eth | $807,754.00 44,688.683 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2753% |
39 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.16 0.0066488 Eth | $772,736.00 83,017.814 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.5113% |
40 | ![]() | LINK-USDC | $18.15 0.0066448 Eth | $630,335.00 34,768.620 LINK | 0.2142% |
41 | ![]() | LINK-EUR | $18.14 0.0066466 Eth | $625,555.00 34,331.780 LINK | 0.2115% |
42 | ![]() | LINK-USDT | $18.19 0.0066665 Eth | $541,462.00 29,771.431 LINK | 0.1834% |
43 | ![]() | LINK-ETH | $18.16 0.0066572 Eth | $527,420.00 29,150.211 LINK | 0.1795% |
44 | ![]() | LINK-USDT | $18.21 0.0066709 Eth | $517,417.00 28,411.860 LINK | 0.1750% |
45 | ![]() | LINK-BTC | $18.23 0.0066740 Eth | $466,033.00 25,564.550 LINK | 0.1575% |
46 | ![]() | LINK-USD | $18.13 0.0066447 Eth | $432,702.00 23,869.277 LINK | 0.1470% |
47 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.13 0.0066466 Eth | $417,950.00 22,922.599 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1412% |
48 | ![]() | LINK-JPY | $18.23 0.0066798 Eth | $373,180.00 20,475.227 LINK | 0.1261% |
49 | ![]() | LINK-BTC | $18.18 0.0066558 Eth | $370,580.00 20,388.126 LINK | 0.1256% |
50 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.13 0.0066467 Eth | $333,872.00 333,988.329 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.0572% |
51 | ![]() | LINK-USDC | $18.17 0.0066522 Eth | $321,745.00 17,747.106 LINK | 0.1093% |
52 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.13 0.0066467 Eth | $301,370.00 16,633.103 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1025% |
53 | ![]() | LINK-BTC | $18.18 0.0066590 Eth | $295,985.00 16,277.960 LINK | 0.1003% |
54 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.22 0.0066781 Eth | $291,635.00 15,949.414 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0982% |
55 | ![]() | LINK-TRY | $18.10 0.0066321 Eth | $277,440.00 15,326.290 LINK | 0.0944% |
56 | ![]() | LINK-USDC | $18.16 0.0066557 Eth | $273,867.00 15,105.383 LINK | 0.0930% |
57 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.17 0.0066589 Eth | $199,247.00 10,991.884 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0677% |
58 | ![]() | LINK-TRY | $18.19 0.0066616 Eth | $179,102.00 9,892.110 LINK | 0.0609% |
59 | ![]() | LINK-USDT | $18.17 0.0066525 Eth | $175,695.00 9,693.000 LINK | 0.0597% |
60 | ![]() | LINK-BTC | $18.18 0.0066572 Eth | $146,769.00 8,073.860 LINK | 0.0497% |
61 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.13 0.0066467 Eth | $137,116.00 7,594.888 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0468% |
62 | ![]() | LINK-TRY | $18.08 0.0066215 Eth | $134,318.00 7,422.950 LINK | 0.0457% |
63 | ![]() | LINK-USDC | $18.16 0.0066497 Eth | $132,435.00 7,292.990 LINK | 0.0449% |
64 | ![]() | LINK-TRY | $18.11 0.0066327 Eth | $131,142.00 7,239.740 LINK | 0.0446% |
65 | ![]() | LINK-ETH | $18.15 0.0066462 Eth | $128,319.00 7,069.620 LINK | 0.0435% |
66 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.14 0.0066449 Eth | $127,830.00 7,039.883 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0434% |
67 | ![]() | LINK-ETH | $18.29 0.0066964 Eth | $126,383.00 6,911.730 LINK | 0.0426% |
68 | ![]() | LINK-USDT | $18.17 0.0066518 Eth | $113,264.00 6,247.970 LINK | 0.0385% |
69 | ![]() | LINK-BTC | $18.15 0.0066526 Eth | $112,685.00 6,208.740 LINK | 0.0382% |
70 | ![]() | LINK-USDC | $18.17 0.0066568 Eth | $101,447.00 5,584.291 LINK | 0.0344% |
71 | ![]() | LINK-BTC | $18.16 0.0066561 Eth | $99,059.00 5,453.426 LINK | 0.0336% |
72 | ![]() | LINK-JPY | $18.25 0.0066877 Eth | $86,971.00 4,766.800 LINK | 0.0294% |
73 | ![]() | LINK-ETH | $18.19 0.0066612 Eth | $86,394.00 4,749.780 LINK | 0.0293% |
74 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.15 0.0066537 Eth | $82,946.00 4,597.038 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0283% |
75 | ![]() | LINK-THB | $18.16 0.0066558 Eth | $77,687.00 4,277.847 LINK | 0.0263% |
76 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.16 0.0066554 Eth | $73,490.00 73,417.591 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4522% |
77 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.16 0.0066557 Eth | $67,386.00 3,725.590 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0229% |
78 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.11 0.0066371 Eth | $60,996.00 3,338.677 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0206% |
79 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.10 0.0066348 Eth | $57,945.00 58,026.901 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3574% |
80 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.18 0.0066648 Eth | $32,696.00 32,620.906 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.2009% |
81 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.22 0.0066771 Eth | $31,656.00 1,751.612 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0108% |
82 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.16 0.0066488 Eth | $22,489.00 1,240.073 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0076% |
83 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.15 0.0066522 Eth | $20,382.00 2,338.881 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0144% |
84 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.13 0.0066462 Eth | $18,793.21 1,031.170 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0064% |
85 | ![]() | LINK-ETH | $18.14 0.0066465 Eth | $17,245.01 950.920 LINK | 0.0059% |
86 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.13 0.0066448 Eth | $15,554.39 844.106 0X5947BB275C521040051D82396192181B413227A3 | 0.0052% |
87 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.21 0.0066727 Eth | $13,038.20 18.223 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
88 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.17 0.0066533 Eth | $11,287.69 11,264.506 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0694% |
89 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.15 0.0066468 Eth | $8,985.34 495.303 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0031% |
90 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.18 0.0066623 Eth | $8,734.95 8,689.325 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0535% |
91 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.01 0.0066005 Eth | $7,684.62 427.033 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0026% |
92 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.19 0.0066660 Eth | $7,534.61 417.590 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0026% |
93 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $18.16 0.0066572 Eth | $6,411.22 350.692 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0022% |
94 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $18.18 0.0066569 Eth | $5,543.71 305.231 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0019% |
95 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.19 0.0066605 Eth | $5,386.77 20.970 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0001% |
96 | ![]() | 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.16 0.0066555 Eth | $4,802.33 4,798.552 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | 0.0296% |
97 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.13 0.0066380 Eth | $4,669.46 257.953 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0016% |
98 | ![]() | LINK-BTC | $18.17 0.0066591 Eth | $4,589.86 251.067 LINK | 0.0015% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.21 0.0066730 Eth | $3,518.77 186.795 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0012% |
100 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.20 0.0066726 Eth | $2,733.79 150.637 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0009% |
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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