ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
750,133 ( -0.016%)
Market
Price
$12.63 @ 0.007072 ETH (-0.80%)
Onchain Market Cap
$12,630,000,000.00
Circulating Supply Market Cap
$8,053,526,314.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
12,275.464093423840439816 LINKValue
$155,039.11 ( ~86.8106 Eth) [0.0012%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $12.67 0.0070903 Eth | $24,316,908.00 1,886,378.820 LINK | 15.8801% |
2 | ![]() | LINK-USDT | $12.61 0.0070728 Eth | $23,581,941.00 0.000 LINK | 0.0000% |
3 | ![]() | LINK-USD | $12.67 0.0070918 Eth | $16,165,686.00 1,276,003.320 LINK | 10.7418% |
4 | ![]() | LINK-USDT | $12.67 0.0070903 Eth | $7,424,433.00 576,560.840 LINK | 4.8537% |
5 | ![]() | LINK-USDT | $12.67 0.0070897 Eth | $7,276,352.00 564,487.896 LINK | 4.7520% |
6 | ![]() | LINK-USDT | $12.62 0.0070692 Eth | $7,142,578.00 566,051.440 LINK | 4.7652% |
7 | ![]() | LINK-USDT | $12.67 0.0070921 Eth | $6,251,575.00 493,433.105 LINK | 4.1539% |
8 | ![]() | LINK-USDT | $12.65 0.0070913 Eth | $5,361,694.00 423,884.600 LINK | 3.5684% |
9 | ![]() | LINK-USDT | $12.67 0.0070925 Eth | $5,176,424.00 408,620.560 LINK | 3.4399% |
10 | ![]() | LINK-USDT | $12.68 0.0070982 Eth | $5,046,266.00 398,100.850 LINK | 3.3513% |
11 | ![]() | LINK-USDT | $12.62 0.0070757 Eth | $4,951,475.00 384,157.642 LINK | 3.2340% |
12 | ![]() | LINK-USDT | $12.66 0.0070887 Eth | $4,828,283.00 374,902.000 LINK | 3.1560% |
13 | ![]() | LINK-USDT | $12.67 0.0070903 Eth | $4,214,447.00 327,236.882 LINK | 2.7548% |
14 | ![]() | LINK-USDT | $12.62 0.0070721 Eth | $4,186,940.00 325,031.797 LINK | 2.7362% |
15 | ![]() | LINK-FDUSD | $12.58 0.0070578 Eth | $4,096,165.00 319,090.940 LINK | 2.6862% |
16 | ![]() | LINK-USDT | $12.67 0.0070915 Eth | $3,726,925.00 289,135.200 LINK | 2.4340% |
17 | ![]() | LINK-USDT | $12.67 0.0070951 Eth | $3,108,651.00 245,271.530 LINK | 2.0648% |
18 | ![]() | LINK-USDT | $12.67 0.0070932 Eth | $3,053,929.00 240,997.540 LINK | 2.0288% |
19 | ![]() | LINK-USDT | $12.68 0.0070960 Eth | $2,618,513.00 206,563.600 LINK | 1.7389% |
20 | ![]() | LINK-USDT | $12.62 0.0070710 Eth | $2,542,030.00 197,317.410 LINK | 1.6611% |
21 | ![]() | LINK-EUR | $12.64 0.0070786 Eth | $2,496,017.00 197,524.340 LINK | 1.6628% |
22 | ![]() | LINK-USDT | $12.66 0.0070867 Eth | $2,423,741.00 188,027.370 LINK | 1.5829% |
23 | ![]() | LINK-USDT | $12.67 0.0070904 Eth | $2,245,615.00 196,133.941 LINK | 1.6511% |
24 | ![]() | LINK-USDT | $12.65 0.0070838 Eth | $1,497,347.00 116,187.854 LINK | 0.9781% |
25 | ![]() | LINK-USDT | $12.63 0.0070852 Eth | $1,487,172.00 117,727.400 LINK | 0.9911% |
26 | ![]() | LINK-USD | $12.67 0.0070931 Eth | $1,273,484.00 100,501.521 LINK | 0.8461% |
27 | ![]() | LINK-USDT | $12.67 0.0070925 Eth | $1,034,625.00 81,672.000 LINK | 0.6875% |
28 | ![]() | LINK-ETH | $12.64 0.0070766 Eth | $1,027,156.00 81,283.100 LINK | 0.6843% |
29 | ![]() | LINK-USDT | $12.67 0.0070978 Eth | $1,007,029.00 78,164.587 LINK | 0.6580% |
30 | ![]() | LINK-USDT | $12.65 0.0070893 Eth | $954,429.00 74,243.243 LINK | 0.6250% |
31 | ![]() | LINK-USDT | $12.67 0.0070897 Eth | $953,398.00 74,098.650 LINK | 0.6238% |
32 | ![]() | LINK-USDT | $12.68 0.0070984 Eth | $907,277.00 70,434.011 LINK | 0.5929% |
33 | ![]() | LINK-USDT | $12.65 0.0070890 Eth | $845,486.00 65,595.475 LINK | 0.5522% |
34 | ![]() | LINK-USDT | $12.60 0.0070680 Eth | $835,076.00 66,250.848 LINK | 0.5577% |
35 | ![]() | LINK-ETH | $12.65 0.0070849 Eth | $791,079.00 62,285.600 LINK | 0.5243% |
36 | ![]() | LINK-USDT | $12.67 0.0070925 Eth | $788,059.00 62,208.410 LINK | 0.5237% |
37 | ![]() | LINK-EUR | $12.65 0.0070840 Eth | $657,545.00 51,981.256 LINK | 0.4376% |
38 | ![]() | LINK-BTC | $12.65 0.0070852 Eth | $586,979.00 46,055.800 LINK | 0.3877% |
39 | ![]() | LINK-USDC | $12.66 0.0070898 Eth | $566,158.00 43,933.440 LINK | 0.3698% |
40 | ![]() | LINK-EUR | $12.67 0.0070932 Eth | $518,002.00 40,886.110 LINK | 0.3442% |
41 | ![]() | LINK-BTC | $12.66 0.0070899 Eth | $455,693.00 36,006.390 LINK | 0.3031% |
42 | ![]() | LINK-USDC | $12.66 0.0070897 Eth | $406,115.00 32,066.680 LINK | 0.2699% |
43 | ![]() | LINK-USDT | $12.65 0.0070894 Eth | $385,519.00 29,943.077 LINK | 0.2521% |
44 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.67 0.0070910 Eth | $347,189.00 27,306.238 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2299% |
45 | ![]() | LINK-GBP | $12.57 0.0070372 Eth | $306,967.00 24,421.760 LINK | 0.2056% |
46 | ![]() | LINK-USDC | $12.66 0.0070926 Eth | $293,451.00 22,803.971 LINK | 0.1920% |
47 | ![]() | LINK-BTC | $12.66 0.0070878 Eth | $288,346.00 22,773.800 LINK | 0.1917% |
48 | ![]() | LINK-USDT | $12.63 0.0070755 Eth | $257,935.00 20,414.870 LINK | 0.1719% |
49 | ![]() | LINK-USDT | $12.67 0.0070942 Eth | $256,090.00 20,207.111 LINK | 0.1701% |
50 | ![]() | LINK-USDT | $12.66 0.0070926 Eth | $216,965.00 17,131.672 LINK | 0.1442% |
51 | ![]() | LINK-ETH | $12.65 0.0070828 Eth | $207,393.00 16,325.780 LINK | 0.1374% |
52 | ![]() | LINK-USDC | $12.67 0.0070903 Eth | $178,839.00 13,889.719 LINK | 0.1169% |
53 | ![]() | LINK-ETH | $12.66 0.0070869 Eth | $176,134.00 13,853.620 LINK | 0.1166% |
54 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $12.59 0.0070485 Eth | $168,937.00 13,334.852 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1123% |
55 | ![]() | LINK-ETH | $12.64 0.0070818 Eth | $158,065.00 12,502.890 LINK | 0.1053% |
56 | ![]() | LINK-TRY | $12.70 0.0071128 Eth | $156,958.00 12,358.300 LINK | 0.1040% |
57 | ![]() | LINK-TRY | $12.75 0.0071433 Eth | $135,330.00 10,484.030 LINK | 0.0883% |
58 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $12.67 0.0070939 Eth | $128,857.00 10,031.057 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0844% |
59 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.60 0.0070550 Eth | $104,929.00 8,263.367 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0696% |
60 | ![]() | LINK-BTC | $12.63 0.0070770 Eth | $99,689.00 7,892.730 LINK | 0.0664% |
61 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.65 0.0070832 Eth | $95,808.00 7,535.288 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0634% |
62 | ![]() | LINK-ETH | $12.66 0.0070866 Eth | $92,614.00 7,315.900 LINK | 0.0616% |
63 | ![]() | LINK-USDT | $12.63 0.0070675 Eth | $88,287.00 6,992.746 LINK | 0.0589% |
64 | ![]() | LINK-USDC | $12.62 0.0070771 Eth | $79,653.00 6,310.830 LINK | 0.0531% |
65 | ![]() | LINK-BTC | $12.63 0.0070818 Eth | $72,832.00 5,766.910 LINK | 0.0485% |
66 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $12.66 0.0070872 Eth | $60,544.00 4,756.940 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0400% |
67 | ![]() | LINK-JPY | $12.64 0.0070781 Eth | $57,085.00 4,517.800 LINK | 0.0380% |
68 | ![]() | LINK-KRW | $12.80 0.0071642 Eth | $49,469.00 3,865.122 LINK | 0.0325% |
69 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $12.67 0.0070904 Eth | $46,263.00 47,072.519 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3963% |
70 | ![]() | 0X88FB150BDC53A65FE94DEA0C9BA0A6DAF8C6E196-0X4200000000000000000000000000000000000006 | $12.61 0.0070607 Eth | $45,940.00 3,624.811 0X88FB150BDC53A65FE94DEA0C9BA0A6DAF8C6E196 | 0.0305% |
71 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $12.67 0.0070904 Eth | $36,831.00 2,857.303 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0241% |
72 | ![]() | LINK-USDT | $12.63 0.0070817 Eth | $30,442.00 2,364.360 LINK | 0.0199% |
73 | ![]() | LINK-IDR | $12.61 0.0070601 Eth | $30,426.00 2,377.490 LINK | 0.0200% |
74 | ![]() | LINK-USDT | $12.64 0.0070837 Eth | $28,855.00 2,240.421 LINK | 0.0189% |
75 | ![]() | LINK-USDC | $12.67 0.0070948 Eth | $25,804.00 2,005.850 LINK | 0.0169% |
76 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $12.59 0.0070481 Eth | $24,081.00 24,484.804 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.2061% |
77 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $12.66 0.0070878 Eth | $23,350.00 1,834.794 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0154% |
78 | ![]() | LINK-ETH | $12.65 0.0070851 Eth | $21,303.00 1,683.350 LINK | 0.0142% |
79 | ![]() | LINK-BTC | $12.66 0.0070892 Eth | $19,156.84 1,512.665 LINK | 0.0127% |
80 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $12.62 0.0070670 Eth | $16,734.09 1,314.441 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0111% |
81 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $12.65 0.0070794 Eth | $15,812.71 1,246.520 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0105% |
82 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $12.63 0.0070702 Eth | $15,145.83 15,155.160 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1276% |
83 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $12.59 0.0070489 Eth | $14,391.63 14,731.019 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1240% |
84 | ![]() | LINK-ETH | $12.62 0.0070770 Eth | $12,859.25 1,018.910 LINK | 0.0086% |
85 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $12.58 0.0070422 Eth | $8,396.36 654.459 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0055% |
86 | ![]() | 0X4274CD7277C7BB0806BD5FE84B9ADAE466A8DA0A-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $12.63 0.0070704 Eth | $8,008.79 8,178.724 0X4274CD7277C7BB0806BD5FE84B9ADAE466A8DA0A | 0.0689% |
87 | ![]() | LINK-TRY | $12.55 0.0070320 Eth | $7,457.68 594.022 LINK | 0.0050% |
88 | ![]() | LINK-USDT | $12.66 0.0070931 Eth | $7,178.53 566.920 LINK | 0.0048% |
89 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $12.67 0.0070917 Eth | $4,506.07 7.020 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
90 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $12.66 0.0070875 Eth | $4,424.90 4,491.651 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0378% |
91 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $12.64 0.0070771 Eth | $3,366.48 260.985 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0022% |
92 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $12.59 0.0070479 Eth | $3,053.43 241.331 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0020% |
93 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | $12.57 0.0070365 Eth | $2,547.08 198.533 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0017% |
94 | ![]() | LINK-BTC | $12.70 0.0071137 Eth | $2,526.53 197.650 LINK | 0.0017% |
95 | ![]() | LINK-USDC | $12.68 0.0071061 Eth | $2,301.74 178.078 LINK | 0.0015% |
96 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $12.66 0.0070871 Eth | $1,359.46 105.413 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
97 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $12.67 0.0070987 Eth | $983.43 77.308 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0007% |
98 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $12.66 0.0070916 Eth | $922.79 72.499 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
99 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $12.65 0.0070847 Eth | $573.69 44.296 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
100 | ![]() | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $12.59 0.0070486 Eth | $350.57 2.344 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0000% |
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
Contract ABI
API[{"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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