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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
737,607 ( 0.044%)
Market
Price
$17.71 @ 0.006611 ETH (-3.07%)
Onchain Market Cap
$17,710,000,000.00
Circulating Supply Market Cap
$11,316,360,533.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $17.79 0.0066392 Eth | $69,288,479.00 3,770,593.670 LINK | 14.8568% |
2 | ![]() | LINK-USDT | $17.70 0.0066014 Eth | $68,050,621.00 3,844,560.580 LINK | 15.1483% |
3 | ![]() | LINK-USDT | $17.60 0.0065702 Eth | $49,967,063.00 2,740,503.414 LINK | 10.7981% |
4 | ![]() | LINK-USDT | $17.74 0.0066076 Eth | $37,019,074.00 2,086,626.930 LINK | 8.2217% |
5 | ![]() | LINK-USD | $17.69 0.0065982 Eth | $23,514,911.00 1,329,126.770 LINK | 5.2370% |
6 | ![]() | LINK-USDT | $17.69 0.0066007 Eth | $18,292,668.00 997,621.530 LINK | 3.9308% |
7 | ![]() | LINK-USDT | $17.68 0.0065938 Eth | $12,204,157.00 690,280.780 LINK | 2.7198% |
8 | ![]() | LINK-USDT | $17.71 0.0066091 Eth | $10,386,738.00 564,965.460 LINK | 2.2261% |
9 | ![]() | LINK-USDT | $17.69 0.0066044 Eth | $8,334,168.00 470,994.910 LINK | 1.8558% |
10 | ![]() | LINK-USDT | $17.69 0.0066019 Eth | $8,317,802.00 452,478.204 LINK | 1.7828% |
11 | ![]() | LINK-USDT | $17.74 0.0066076 Eth | $8,221,450.00 445,908.040 LINK | 1.7570% |
12 | ![]() | LINK-USDT | $17.70 0.0066053 Eth | $6,833,310.00 372,094.710 LINK | 1.4661% |
13 | ![]() | LINK-USDT | $17.69 0.0066043 Eth | $6,508,135.00 367,805.174 LINK | 1.4492% |
14 | ![]() | LINK-EUR | $17.73 0.0066085 Eth | $6,399,085.00 360,979.750 LINK | 1.4223% |
15 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.80 0.0066370 Eth | $6,226,416.00 348,045.487 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.3714% |
16 | ![]() | LINK-USDC | $17.74 0.0066118 Eth | $6,140,263.00 346,203.170 LINK | 1.3641% |
17 | ![]() | LINK-USDT | $17.80 0.0066423 Eth | $5,988,750.00 336,403.300 LINK | 1.3255% |
18 | ![]() | LINK-USDT | $17.68 0.0065974 Eth | $5,928,804.00 322,906.570 LINK | 1.2723% |
19 | ![]() | LINK-FDUSD | $17.68 0.0065995 Eth | $5,607,758.00 304,964.820 LINK | 1.2016% |
20 | ![]() | LINK-USDC | $17.70 0.0066121 Eth | $5,266,993.00 286,630.240 LINK | 1.1294% |
21 | ![]() | LINK-USDT | $17.69 0.0066028 Eth | $5,121,965.00 289,530.040 LINK | 1.1408% |
22 | ![]() | LINK-USD | $17.70 0.0066034 Eth | $5,064,895.00 286,203.696 LINK | 1.1277% |
23 | ![]() | LINK-USDT | $17.71 0.0065990 Eth | $4,414,868.00 249,417.970 LINK | 0.9828% |
24 | ![]() | LINK-USDT | $17.74 0.0066264 Eth | $4,126,293.00 224,538.838 LINK | 0.8847% |
25 | ![]() | LINK-USDT | $17.76 0.0066170 Eth | $3,905,013.00 219,926.667 LINK | 0.8666% |
26 | ![]() | LINK-USDT | $17.77 0.0066254 Eth | $3,779,340.00 212,691.870 LINK | 0.8380% |
27 | ![]() | LINK-USDT | $17.75 0.0066133 Eth | $3,129,594.00 176,355.081 LINK | 0.6949% |
28 | ![]() | LINK-EUR | $17.78 0.0066288 Eth | $3,016,566.00 169,677.921 LINK | 0.6686% |
29 | ![]() | LINK-USDT | $17.77 0.0066258 Eth | $2,808,585.00 152,733.982 LINK | 0.6018% |
30 | ![]() | LINK-USDT | $17.68 0.0065982 Eth | $2,270,539.00 123,751.817 LINK | 0.4876% |
31 | ![]() | LINK-USDT | $17.71 0.0066095 Eth | $2,036,276.00 114,980.787 LINK | 0.4530% |
32 | ![]() | LINK-GBP | $17.68 0.0066001 Eth | $1,872,111.00 105,870.140 LINK | 0.4171% |
33 | ![]() | LINK-USDT | $17.73 0.0066110 Eth | $1,422,791.00 77,478.860 LINK | 0.3053% |
34 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.76 0.0066221 Eth | $1,360,702.00 76,070.151 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2997% |
35 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.77 0.0066289 Eth | $1,300,430.00 72,852.108 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2871% |
36 | ![]() | LINK-USDT | $17.70 0.0066028 Eth | $1,241,484.00 68,024.001 LINK | 0.2680% |
37 | ![]() | LINK-EUR | $17.67 0.0065969 Eth | $1,203,767.00 68,106.780 LINK | 0.2684% |
38 | ![]() | LINK-USDT | $17.79 0.0066361 Eth | $1,121,031.00 60,980.556 LINK | 0.2403% |
39 | ![]() | LINK-ETH | $17.74 0.0066177 Eth | $1,036,022.00 58,045.280 LINK | 0.2287% |
40 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.76 0.0066218 Eth | $1,005,218.00 56,299.888 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2218% |
41 | ![]() | LINK-BTC | $17.76 0.0066260 Eth | $1,000,902.00 55,434.400 LINK | 0.2184% |
42 | ![]() | LINK-USDT | $17.73 0.0066077 Eth | $825,033.00 44,987.790 LINK | 0.1773% |
43 | ![]() | LINK-USDT | $17.71 0.0066020 Eth | $803,051.00 45,345.470 LINK | 0.1787% |
44 | ![]() | LINK-USDC | $17.68 0.0065979 Eth | $776,979.00 42,425.620 LINK | 0.1672% |
45 | ![]() | LINK-USD | $17.74 0.0066224 Eth | $758,688.00 42,759.762 LINK | 0.1685% |
46 | ![]() | LINK-USDT | $17.70 0.0066033 Eth | $632,219.00 35,725.775 LINK | 0.1408% |
47 | ![]() | LINK-TRY | $17.73 0.0066182 Eth | $593,873.00 32,447.440 LINK | 0.1278% |
48 | ![]() | LINK-BTC | $17.78 0.0066287 Eth | $558,986.00 31,436.997 LINK | 0.1239% |
49 | ![]() | LINK-JPY | $17.77 0.0066282 Eth | $554,316.00 31,189.797 LINK | 0.1229% |
50 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.79 0.0066331 Eth | $541,548.00 560,983.661 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2104% |
51 | ![]() | LINK-USDT | $17.70 0.0066003 Eth | $539,019.00 30,457.200 LINK | 0.1200% |
52 | ![]() | LINK-BTC | $17.71 0.0066039 Eth | $527,674.00 29,799.790 LINK | 0.1174% |
53 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.69 0.0065977 Eth | $516,639.00 28,121.414 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1108% |
54 | ![]() | LINK-USDC | $17.61 0.0065735 Eth | $430,066.00 23,691.595 LINK | 0.0933% |
55 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.72 0.0066070 Eth | $427,910.00 24,225.222 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0955% |
56 | ![]() | LINK-USDC | $17.70 0.0066216 Eth | $426,790.00 23,238.995 LINK | 0.0916% |
57 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.67 0.0065886 Eth | $417,613.00 46,709.636 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1840% |
58 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.76 0.0066222 Eth | $363,798.00 375,667.020 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 1.4802% |
59 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.66 0.0065873 Eth | $355,530.00 19,914.452 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0785% |
60 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.77 0.0066273 Eth | $347,753.00 18,971.902 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0748% |
61 | ![]() | LINK-BRL | $17.85 0.0066605 Eth | $328,825.00 18,425.275 LINK | 0.0726% |
62 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $17.79 0.0066398 Eth | $302,242.00 16,681.306 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0657% |
63 | ![]() | LINK-BTC | $17.72 0.0066134 Eth | $295,271.00 16,664.220 LINK | 0.0657% |
64 | ![]() | LINK-BRL | $17.76 0.0066300 Eth | $252,671.00 14,223.235 LINK | 0.0560% |
65 | ![]() | LINK-JPY | $17.82 0.0066452 Eth | $251,053.00 14,087.000 LINK | 0.0555% |
66 | ![]() | LINK-BTC | $17.73 0.0066173 Eth | $220,011.00 12,408.590 LINK | 0.0489% |
67 | ![]() | LINK-BTC | $17.74 0.0066063 Eth | $219,359.00 12,367.010 LINK | 0.0487% |
68 | ![]() | LINK-USDT | $17.77 0.0066329 Eth | $208,471.00 11,368.000 LINK | 0.0448% |
69 | ![]() | LINK-USDC | $17.62 0.0065805 Eth | $194,332.00 11,030.310 LINK | 0.0435% |
70 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.80 0.0066370 Eth | $188,466.00 10,243.909 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0404% |
71 | ![]() | LINK-TRY | $17.88 0.0066759 Eth | $184,293.00 10,087.510 LINK | 0.0397% |
72 | ![]() | LINK-THB | $17.77 0.0066243 Eth | $184,250.00 10,368.929 LINK | 0.0409% |
73 | ![]() | LINK-ETH | $17.79 0.0066256 Eth | $175,953.00 9,890.940 LINK | 0.0390% |
74 | ![]() | LINK-USDC | $17.70 0.0066082 Eth | $165,296.00 9,021.879 LINK | 0.0355% |
75 | ![]() | LINK-USDT | $17.78 0.0066284 Eth | $160,882.00 8,771.876 LINK | 0.0346% |
76 | ![]() | LINK-ETH | $17.78 0.0066216 Eth | $158,068.00 8,834.820 LINK | 0.0348% |
77 | ![]() | LINK-TRY | $17.73 0.0066125 Eth | $145,618.00 8,212.890 LINK | 0.0324% |
78 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.72 0.0066080 Eth | $142,957.00 8,004.640 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0315% |
79 | ![]() | LINK-TRY | $17.76 0.0066295 Eth | $121,621.00 6,663.490 LINK | 0.0263% |
80 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.77 0.0066303 Eth | $119,795.00 6,516.154 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0257% |
81 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.76 0.0066293 Eth | $113,454.00 117,711.072 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4638% |
82 | ![]() | LINK-USDT | $17.73 0.0066114 Eth | $110,358.00 6,225.245 LINK | 0.0245% |
83 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.77 0.0066289 Eth | $99,948.00 103,238.352 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4068% |
84 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $17.82 0.0066478 Eth | $97,335.00 5,447.546 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0215% |
85 | ![]() | LINK-USDC | $17.69 0.0066022 Eth | $96,654.00 5,464.107 LINK | 0.0215% |
86 | ![]() | LINK-ETH | $17.72 0.0066157 Eth | $93,126.00 5,253.940 LINK | 0.0207% |
87 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.75 0.0066258 Eth | $83,392.00 4,659.258 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0184% |
88 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.72 0.0066087 Eth | $75,345.00 4,182.388 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0165% |
89 | ![]() | LINK-USD | $17.73 0.0066037 Eth | $67,607.00 3,813.000 LINK | 0.0150% |
90 | ![]() | LINK-ETH | $17.67 0.0065947 Eth | $62,890.00 3,559.400 LINK | 0.0140% |
91 | ![]() | LINK-PLN | $17.79 0.0066378 Eth | $61,476.00 0.000 LINK | 0.0000% |
92 | ![]() | LINK-BTC | $17.67 0.0065949 Eth | $55,203.00 3,124.215 LINK | 0.0123% |
93 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.67 0.0065886 Eth | $39,246.00 2,158.042 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0085% |
94 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.80 0.0066450 Eth | $36,028.00 37,279.436 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1469% |
95 | ![]() | LINK-TRY | $17.66 0.0065892 Eth | $34,187.00 1,935.757 LINK | 0.0076% |
96 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.70 0.0066072 Eth | $29,444.00 1,651.170 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0065% |
97 | ![]() | LINK-ETH | $17.70 0.0066025 Eth | $22,841.00 1,290.210 LINK | 0.0051% |
98 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $17.78 0.0066252 Eth | $17,276.33 940.894 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0037% |
99 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.71 0.0066034 Eth | $16,794.40 24.274 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
100 | ![]() | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $17.94 0.0066902 Eth | $16,694.25 934.381 0X5947BB275C521040051D82396192181B413227A3 | 0.0037% |
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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