ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
735,007 (0.00%)
Market
Price
$19.53 @ 0.007152 ETH (+5.17%)
Onchain Market Cap
$19,530,000,000.00
Circulating Supply Market Cap
$12,459,932,327.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0 LINKValue
$0.00Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $19.60 0.0071812 Eth | $63,579,129.00 3,299,468.320 LINK | 18.9371% |
2 | ![]() | LINK-USDT | $19.59 0.0071757 Eth | $35,924,629.00 1,834,147.040 LINK | 10.5270% |
3 | ![]() | LINK-USD | $19.58 0.0071706 Eth | $34,763,684.00 1,775,922.540 LINK | 10.1928% |
4 | ![]() | LINK-USDT | $19.61 0.0071829 Eth | $26,353,482.00 1,368,946.247 LINK | 7.8570% |
5 | ![]() | LINK-USDT | $19.59 0.0071780 Eth | $19,779,273.00 1,031,616.218 LINK | 5.9209% |
6 | ![]() | LINK-USDT | $19.57 0.0071689 Eth | $12,997,491.00 664,107.930 LINK | 3.8116% |
7 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.55 0.0071607 Eth | $10,737,643.00 556,045.427 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.1914% |
8 | ![]() | LINK-USDT | $19.60 0.0071811 Eth | $9,498,442.00 492,944.989 LINK | 2.8292% |
9 | ![]() | LINK-USDT | $19.59 0.0071782 Eth | $8,256,208.00 421,349.680 LINK | 2.4183% |
10 | ![]() | LINK-USDT | $19.58 0.0071728 Eth | $6,836,636.00 354,348.420 LINK | 2.0338% |
11 | ![]() | LINK-USDT | $19.51 0.0071522 Eth | $6,350,092.00 329,570.780 LINK | 1.8916% |
12 | ![]() | LINK-USDT | $19.60 0.0071798 Eth | $5,680,323.00 289,794.034 LINK | 1.6633% |
13 | ![]() | LINK-USDT | $19.53 0.0071703 Eth | $5,639,152.00 288,739.650 LINK | 1.6572% |
14 | ![]() | LINK-USDT | $19.52 0.0071488 Eth | $5,618,187.00 291,841.070 LINK | 1.6750% |
15 | ![]() | LINK-USDT | $19.56 0.0071668 Eth | $5,041,360.00 257,799.050 LINK | 1.4796% |
16 | ![]() | LINK-USDT | $19.59 0.0071768 Eth | $5,018,479.00 256,181.299 LINK | 1.4703% |
17 | ![]() | LINK-FDUSD | $19.49 0.0071459 Eth | $4,530,044.00 235,274.890 LINK | 1.3503% |
18 | ![]() | LINK-USDT | $19.56 0.0071644 Eth | $4,353,383.00 222,539.560 LINK | 1.2773% |
19 | ![]() | LINK-USD | $19.59 0.0071749 Eth | $3,868,178.00 197,501.234 LINK | 1.1335% |
20 | ![]() | LINK-USDT | $19.45 0.0071496 Eth | $3,719,884.00 193,146.071 LINK | 1.1086% |
21 | ![]() | LINK-USDT | $19.45 0.0071480 Eth | $3,574,377.00 183,771.320 LINK | 1.0547% |
22 | ![]() | LINK-USDT | $19.56 0.0071644 Eth | $3,155,857.00 161,323.541 LINK | 0.9259% |
23 | ![]() | LINK-EUR | $19.62 0.0071867 Eth | $2,568,913.00 130,947.070 LINK | 0.7516% |
24 | ![]() | LINK-USDT | $19.58 0.0071750 Eth | $2,551,530.00 132,435.937 LINK | 0.7601% |
25 | ![]() | LINK-USDT | $19.51 0.0071518 Eth | $2,075,473.00 107,971.613 LINK | 0.6197% |
26 | ![]() | LINK-USDT | $19.58 0.0071773 Eth | $2,060,997.00 105,249.620 LINK | 0.6041% |
27 | ![]() | LINK-USDC | $19.57 0.0071718 Eth | $1,961,274.00 100,224.570 LINK | 0.5752% |
28 | ![]() | LINK-EUR | $19.53 0.0071571 Eth | $1,940,109.00 99,346.428 LINK | 0.5702% |
29 | ![]() | LINK-USDT | $19.53 0.0071504 Eth | $1,701,998.00 87,752.476 LINK | 0.5037% |
30 | ![]() | LINK-GBP | $19.63 0.0071897 Eth | $1,652,776.00 84,213.090 LINK | 0.4833% |
31 | ![]() | LINK-USDT | $19.58 0.0071724 Eth | $1,571,907.00 81,828.720 LINK | 0.4697% |
32 | ![]() | LINK-ETH | $19.56 0.0071637 Eth | $1,266,286.00 65,766.400 LINK | 0.3775% |
33 | ![]() | LINK-USDT | $19.57 0.0071729 Eth | $1,000,561.00 51,904.448 LINK | 0.2979% |
34 | ![]() | LINK-USDC | $19.55 0.0071613 Eth | $835,525.00 43,585.130 LINK | 0.2502% |
35 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $19.49 0.0071379 Eth | $793,518.00 41,344.686 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2373% |
36 | ![]() | LINK-USDT | $19.51 0.0071535 Eth | $749,170.00 39,074.160 LINK | 0.2243% |
37 | ![]() | LINK-USDT | $19.61 0.0071820 Eth | $726,370.00 37,050.092 LINK | 0.2126% |
38 | ![]() | LINK-USDT | $19.56 0.0071637 Eth | $683,322.00 34,930.560 LINK | 0.2005% |
39 | ![]() | LINK-BTC | $19.59 0.0071755 Eth | $648,444.00 33,107.266 LINK | 0.1900% |
40 | ![]() | LINK-EUR | $19.58 0.0071687 Eth | $646,232.00 33,544.880 LINK | 0.1925% |
41 | ![]() | LINK-USD | $19.57 0.0071712 Eth | $644,784.00 32,940.276 LINK | 0.1891% |
42 | ![]() | LINK-JPY | $19.59 0.0071764 Eth | $610,092.00 31,141.758 LINK | 0.1787% |
43 | ![]() | LINK-BTC | $19.47 0.0071490 Eth | $595,958.00 30,605.250 LINK | 0.1757% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $19.55 0.0071626 Eth | $585,535.00 30,383.835 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1744% |
45 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.53 0.0071550 Eth | $584,544.00 577,317.766 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.3135% |
46 | ![]() | LINK-USDT | $19.57 0.0071661 Eth | $578,963.00 29,586.160 LINK | 0.1698% |
47 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.53 0.0071550 Eth | $558,139.00 28,906.560 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1659% |
48 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.52 0.0071504 Eth | $556,149.00 28,975.920 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1663% |
49 | ![]() | LINK-TRY | $19.51 0.0071645 Eth | $531,697.00 27,691.370 LINK | 0.1589% |
50 | ![]() | LINK-USDC | $19.57 0.0071669 Eth | $500,210.00 25,939.647 LINK | 0.1489% |
51 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.53 0.0071556 Eth | $493,140.00 25,374.478 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1456% |
52 | ![]() | LINK-USDT | $19.54 0.0071572 Eth | $462,445.00 24,074.720 LINK | 0.1382% |
53 | ![]() | LINK-USDT | $19.55 0.0071652 Eth | $442,227.00 22,950.146 LINK | 0.1317% |
54 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $19.55 0.0071607 Eth | $405,076.00 39,644.606 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2275% |
55 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.54 0.0071604 Eth | $393,475.00 20,338.966 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1167% |
56 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.49 0.0071384 Eth | $348,991.00 18,168.287 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1043% |
57 | ![]() | LINK-BTC | $19.55 0.0071630 Eth | $268,420.00 13,728.520 LINK | 0.0788% |
58 | ![]() | LINK-USDC | $19.60 0.0071795 Eth | $266,850.00 13,816.511 LINK | 0.0793% |
59 | ![]() | LINK-USDT | $19.51 0.0071522 Eth | $227,220.00 11,839.000 LINK | 0.0679% |
60 | ![]() | LINK-BTC | $19.60 0.0071777 Eth | $227,015.00 11,585.035 LINK | 0.0665% |
61 | ![]() | LINK-JPY | $19.41 0.0071214 Eth | $205,226.00 10,575.400 LINK | 0.0607% |
62 | ![]() | LINK-TRY | $19.62 0.0071931 Eth | $196,175.00 10,263.530 LINK | 0.0589% |
63 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.55 0.0071607 Eth | $189,704.00 9,852.134 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0565% |
64 | ![]() | LINK-USDT | $19.44 0.0071199 Eth | $166,698.00 8,576.975 LINK | 0.0492% |
65 | ![]() | LINK-TRY | $19.56 0.0071674 Eth | $159,176.00 8,319.700 LINK | 0.0478% |
66 | ![]() | LINK-BTC | $19.52 0.0071563 Eth | $151,872.00 7,778.390 LINK | 0.0446% |
67 | ![]() | LINK-USDC | $19.54 0.0071750 Eth | $142,586.00 7,295.980 LINK | 0.0419% |
68 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $19.57 0.0071744 Eth | $138,838.00 7,196.173 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0413% |
69 | ![]() | LINK-GBP | $19.40 0.0071053 Eth | $137,461.00 7,087.225 LINK | 0.0407% |
70 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $19.46 0.0071245 Eth | $128,354.00 6,643.049 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0381% |
71 | ![]() | LINK-BTC | $19.58 0.0071698 Eth | $125,973.00 6,434.730 LINK | 0.0369% |
72 | ![]() | LINK-ETH | $19.55 0.0071603 Eth | $115,150.00 5,889.040 LINK | 0.0338% |
73 | ![]() | LINK-ETH | $19.56 0.0071624 Eth | $106,540.00 5,447.220 LINK | 0.0313% |
74 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $19.53 0.0071523 Eth | $102,249.00 100,648.314 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5777% |
75 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $19.49 0.0071382 Eth | $101,506.00 5,270.579 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0303% |
76 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.51 0.0071434 Eth | $99,176.00 97,914.231 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5620% |
77 | ![]() | LINK-USDC | $19.60 0.0071775 Eth | $93,582.00 4,775.809 LINK | 0.0274% |
78 | ![]() | LINK-PLN | $19.58 0.0071769 Eth | $85,515.00 0.000 LINK | 0.0000% |
79 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $19.47 0.0071318 Eth | $76,586.00 3,973.103 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0228% |
80 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $19.52 0.0071473 Eth | $73,523.00 3,807.381 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0219% |
81 | ![]() | LINK-ETH | $19.53 0.0071554 Eth | $69,569.00 3,561.960 LINK | 0.0204% |
82 | ![]() | LINK-USDT | $19.52 0.0071555 Eth | $57,754.00 2,958.435 LINK | 0.0170% |
83 | ![]() | LINK-USD | $19.52 0.0071557 Eth | $50,640.00 2,593.777 LINK | 0.0149% |
84 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $19.43 0.0071188 Eth | $46,164.00 2,432.919 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0140% |
85 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.48 0.0071342 Eth | $44,152.00 2,289.525 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0131% |
86 | ![]() | LINK-ETH | $19.55 0.0071635 Eth | $43,425.00 2,221.680 LINK | 0.0128% |
87 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $19.49 0.0071409 Eth | $39,268.00 2,038.159 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0117% |
88 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $19.47 0.0071315 Eth | $35,207.00 1,824.519 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0105% |
89 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $19.57 0.0071696 Eth | $23,198.00 1,193.951 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0069% |
90 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $19.41 0.0071068 Eth | $22,846.00 30.845 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
91 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $19.54 0.0071576 Eth | $16,753.90 16,522.900 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0948% |
92 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.74 0.0072288 Eth | $14,333.34 735.775 0X5947BB275C521040051D82396192181B413227A3 | 0.0042% |
93 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $19.49 0.0071384 Eth | $14,272.97 741.266 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0043% |
94 | ![]() | LINK-ETH | $19.51 0.0071506 Eth | $14,249.02 730.510 LINK | 0.0042% |
95 | ![]() | LINK-TRY | $19.35 0.0070949 Eth | $12,247.54 632.819 LINK | 0.0036% |
96 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $19.45 0.0071228 Eth | $12,173.12 633.994 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0036% |
97 | ![]() | 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $19.59 0.0071739 Eth | $11,193.23 1,370.165 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63 | 0.0079% |
98 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $19.53 0.0071566 Eth | $9,615.10 496.350 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0028% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $19.42 0.0071130 Eth | $8,350.64 433.111 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0025% |
100 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $19.57 0.0071693 Eth | $8,082.01 415.161 0X5947BB275C521040051D82396192181B413227A3 | 0.0024% |
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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