ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
737,667 ( 0.078%)
Market
Price
$17.19 @ 0.006519 ETH (-6.33%)
Onchain Market Cap
$17,190,000,000.00
Circulating Supply Market Cap
$10,971,054,956.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
37.8 LINKValue
$649.78 ( ~0.246430649979714 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | LINK-USDT | $17.23 0.0065530 Eth | $75,116,249.00 4,109,021.560 LINK | 14.5160% |
2 | ![]() | LINK-USDT | $17.27 0.0065741 Eth | $71,228,287.00 4,125,494.320 LINK | 14.5742% |
3 | ![]() | LINK-USDT | $17.22 0.0065407 Eth | $53,095,515.00 2,923,146.794 LINK | 10.3267% |
4 | ![]() | LINK-USDT | $17.22 0.0065585 Eth | $39,315,403.00 2,282,513.760 LINK | 8.0635% |
5 | ![]() | LINK-USD | $17.31 0.0065709 Eth | $26,450,343.00 1,528,214.870 LINK | 5.3988% |
6 | ![]() | LINK-USDT | $17.28 0.0065476 Eth | $24,209,396.00 1,331,594.670 LINK | 4.7042% |
7 | ![]() | LINK-USDT | $17.29 0.0065527 Eth | $18,591,437.00 1,016,761.941 LINK | 3.5919% |
8 | ![]() | LINK-USDT | $17.21 0.0065338 Eth | $12,857,541.00 747,280.540 LINK | 2.6399% |
9 | ![]() | LINK-USDT | $17.34 0.0065851 Eth | $10,802,211.00 589,155.000 LINK | 2.0813% |
10 | ![]() | LINK-USDT | $17.31 0.0065590 Eth | $9,028,238.00 494,471.859 LINK | 1.7468% |
11 | ![]() | LINK-USDT | $17.29 0.0065517 Eth | $8,947,048.00 517,502.430 LINK | 1.8282% |
12 | ![]() | LINK-USDT | $17.33 0.0065817 Eth | $8,087,238.00 466,606.519 LINK | 1.6484% |
13 | ![]() | LINK-USDT | $17.15 0.0065367 Eth | $7,431,468.00 406,925.640 LINK | 1.4376% |
14 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.10 0.0065096 Eth | $6,777,595.00 388,645.691 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.3730% |
15 | ![]() | LINK-EUR | $17.17 0.0065297 Eth | $6,738,206.00 392,458.020 LINK | 1.3864% |
16 | ![]() | LINK-USDC | $17.18 0.0065321 Eth | $6,449,346.00 375,494.080 LINK | 1.3265% |
17 | ![]() | LINK-USDT | $17.31 0.0065741 Eth | $6,409,190.00 350,744.420 LINK | 1.2391% |
18 | ![]() | LINK-USDT | $17.26 0.0065670 Eth | $6,399,302.00 370,841.560 LINK | 1.3101% |
19 | ![]() | LINK-USDT | $17.14 0.0065225 Eth | $6,298,089.00 367,376.920 LINK | 1.2978% |
20 | ![]() | LINK-FDUSD | $17.32 0.0065629 Eth | $5,753,551.00 313,059.830 LINK | 1.1060% |
21 | ![]() | LINK-USDC | $17.37 0.0065834 Eth | $5,643,089.00 307,682.510 LINK | 1.0870% |
22 | ![]() | LINK-USD | $17.23 0.0065428 Eth | $5,514,073.00 320,038.034 LINK | 1.1306% |
23 | ![]() | LINK-USDT | $17.19 0.0065495 Eth | $5,300,184.00 308,387.740 LINK | 1.0894% |
24 | ![]() | LINK-USDT | $17.31 0.0065609 Eth | $4,710,784.00 272,015.380 LINK | 0.9610% |
25 | ![]() | LINK-USDT | $17.18 0.0065412 Eth | $4,469,704.00 244,648.759 LINK | 0.8643% |
26 | ![]() | LINK-USDT | $17.13 0.0065237 Eth | $4,096,785.00 239,136.486 LINK | 0.8448% |
27 | ![]() | LINK-USDT | $17.20 0.0065515 Eth | $3,976,628.00 231,257.060 LINK | 0.8170% |
28 | ![]() | LINK-USDT | $17.42 0.0065829 Eth | $3,260,769.00 187,194.482 LINK | 0.6613% |
29 | ![]() | LINK-USDT | $17.18 0.0065461 Eth | $3,116,462.00 170,549.834 LINK | 0.6025% |
30 | ![]() | LINK-EUR | $17.49 0.0065890 Eth | $3,011,300.00 172,208.680 LINK | 0.6084% |
31 | ![]() | LINK-USDT | $17.13 0.0065275 Eth | $2,452,080.00 134,308.523 LINK | 0.4745% |
32 | ![]() | LINK-USDT | $17.28 0.0065476 Eth | $2,211,473.00 127,992.797 LINK | 0.4522% |
33 | ![]() | LINK-GBP | $17.17 0.0065411 Eth | $1,952,290.00 113,727.580 LINK | 0.4018% |
34 | ![]() | LINK-USDT | $17.34 0.0065845 Eth | $1,489,613.00 81,427.370 LINK | 0.2877% |
35 | ![]() | LINK-USDT | $17.11 0.0065144 Eth | $1,449,531.00 80,110.230 LINK | 0.2830% |
36 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.31 0.0065711 Eth | $1,444,001.00 82,361.369 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2910% |
37 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.25 0.0065484 Eth | $1,392,036.00 79,162.346 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2797% |
38 | ![]() | LINK-EUR | $17.32 0.0065616 Eth | $1,260,069.00 72,770.690 LINK | 0.2571% |
39 | ![]() | LINK-USDT | $17.20 0.0065515 Eth | $1,228,607.00 67,210.933 LINK | 0.2374% |
40 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $17.21 0.0065354 Eth | $1,072,009.00 61,090.680 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2158% |
41 | ![]() | LINK-ETH | $17.26 0.0065531 Eth | $1,037,853.00 59,157.600 LINK | 0.2090% |
42 | ![]() | LINK-BTC | $17.18 0.0065347 Eth | $1,009,404.00 56,807.800 LINK | 0.2007% |
43 | ![]() | LINK-USDT | $17.19 0.0065248 Eth | $823,666.00 44,963.810 LINK | 0.1588% |
44 | ![]() | LINK-USDT | $17.18 0.0065443 Eth | $820,211.00 47,750.880 LINK | 0.1687% |
45 | ![]() | LINK-USDC | $17.24 0.0065618 Eth | $790,462.00 43,197.570 LINK | 0.1526% |
46 | ![]() | LINK-USDT | $17.34 0.0065845 Eth | $737,091.00 42,499.020 LINK | 0.1501% |
47 | ![]() | LINK-USD | $17.20 0.0065196 Eth | $729,517.00 42,403.909 LINK | 0.1498% |
48 | ![]() | LINK-USDT | $17.34 0.0065841 Eth | $648,478.00 37,391.950 LINK | 0.1321% |
49 | ![]() | LINK-BTC | $17.29 0.0065632 Eth | $620,767.00 35,907.733 LINK | 0.1269% |
50 | ![]() | LINK-TRY | $17.34 0.0065785 Eth | $609,895.00 33,381.740 LINK | 0.1179% |
51 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $17.34 0.0065814 Eth | $571,502.00 31,259.181 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1104% |
52 | ![]() | LINK-BTC | $17.23 0.0065618 Eth | $562,993.00 32,669.380 LINK | 0.1154% |
53 | ![]() | LINK-USDT | $17.54 0.0066069 Eth | $560,461.00 31,953.800 LINK | 0.1129% |
54 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.30 0.0065680 Eth | $529,788.00 562,763.198 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.9881% |
55 | ![]() | LINK-USDC | $17.24 0.0065469 Eth | $470,668.00 25,997.744 LINK | 0.0918% |
56 | ![]() | LINK-USDC | $17.14 0.0065284 Eth | $461,835.00 25,240.892 LINK | 0.0892% |
57 | ![]() | LINK-JPY | $17.18 0.0065451 Eth | $460,329.00 26,799.039 LINK | 0.0947% |
58 | ![]() | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.19 0.0065467 Eth | $448,696.00 51,629.146 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1824% |
59 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $17.28 0.0065834 Eth | $445,037.00 25,747.693 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0910% |
60 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.16 0.0065155 Eth | $391,838.00 22,359.315 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0790% |
61 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $17.39 0.0066038 Eth | $385,631.00 21,048.402 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0744% |
62 | ![]() | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $17.25 0.0065664 Eth | $315,669.00 17,742.810 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0627% |
63 | ![]() | LINK-BTC | $17.19 0.0065296 Eth | $287,423.00 16,715.760 LINK | 0.0591% |
64 | ![]() | LINK-JPY | $17.35 0.0065744 Eth | $268,643.00 15,485.000 LINK | 0.0547% |
65 | ![]() | LINK-BRL | $17.25 0.0065638 Eth | $246,451.00 14,289.022 LINK | 0.0505% |
66 | ![]() | LINK-BTC | $17.20 0.0065535 Eth | $225,579.00 13,115.830 LINK | 0.0463% |
67 | ![]() | LINK-BTC | $17.24 0.0065595 Eth | $221,929.00 12,875.530 LINK | 0.0455% |
68 | ![]() | LINK-USDT | $17.14 0.0065309 Eth | $210,077.00 11,479.000 LINK | 0.0406% |
69 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.15 0.0065283 Eth | $203,201.00 11,119.640 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0393% |
70 | ![]() | LINK-ETH | $17.30 0.0065550 Eth | $198,822.00 11,494.280 LINK | 0.0406% |
71 | ![]() | LINK-THB | $17.28 0.0065841 Eth | $197,740.00 11,444.443 LINK | 0.0404% |
72 | ![]() | LINK-USDC | $17.37 0.0065444 Eth | $197,009.00 11,342.290 LINK | 0.0401% |
73 | ![]() | LINK-USDC | $17.36 0.0065788 Eth | $190,499.00 10,460.216 LINK | 0.0370% |
74 | ![]() | LINK-TRY | $17.22 0.0065637 Eth | $184,022.00 10,080.600 LINK | 0.0356% |
75 | ![]() | LINK-USDT | $17.17 0.0065202 Eth | $161,011.00 8,797.005 LINK | 0.0311% |
76 | ![]() | LINK-USDT | $17.30 0.0065693 Eth | $155,905.00 8,537.860 LINK | 0.0302% |
77 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.26 0.0065512 Eth | $155,260.00 8,855.038 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0313% |
78 | ![]() | LINK-TRY | $17.32 0.0065960 Eth | $153,140.00 8,840.330 LINK | 0.0312% |
79 | ![]() | LINK-ETH | $17.20 0.0065453 Eth | $152,699.00 8,716.120 LINK | 0.0308% |
80 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $17.09 0.0065085 Eth | $123,589.00 6,761.258 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0239% |
81 | ![]() | LINK-TRY | $17.19 0.0065513 Eth | $121,852.00 6,685.990 LINK | 0.0236% |
82 | ![]() | LINK-USDT | $17.14 0.0065281 Eth | $115,920.00 6,761.273 LINK | 0.0239% |
83 | ![]() | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $17.21 0.0065350 Eth | $113,828.00 121,561.589 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.4294% |
84 | ![]() | LINK-USDC | $17.35 0.0065883 Eth | $105,547.00 6,083.593 LINK | 0.0215% |
85 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $17.20 0.0065313 Eth | $103,546.00 109,973.456 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3885% |
86 | ![]() | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $17.39 0.0066186 Eth | $103,474.00 5,904.826 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0209% |
87 | ![]() | LINK-ETH | $17.22 0.0065380 Eth | $92,579.00 5,377.220 LINK | 0.0190% |
88 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $17.22 0.0065373 Eth | $90,412.00 5,155.179 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0182% |
89 | ![]() | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $17.31 0.0065712 Eth | $84,999.00 4,773.877 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0169% |
90 | ![]() | LINK-USD | $17.45 0.0065888 Eth | $69,526.00 3,983.443 LINK | 0.0141% |
91 | ![]() | LINK-ETH | $17.15 0.0065360 Eth | $63,887.00 3,724.520 LINK | 0.0132% |
92 | ![]() | LINK-BTC | $17.25 0.0065520 Eth | $57,474.00 3,331.095 LINK | 0.0118% |
93 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $17.15 0.0065317 Eth | $42,694.00 2,357.864 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0083% |
94 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $17.32 0.0065774 Eth | $41,061.00 43,294.469 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1529% |
95 | ![]() | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $17.28 0.0065749 Eth | $34,507.00 1,972.399 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0070% |
96 | ![]() | LINK-TRY | $17.14 0.0065325 Eth | $33,183.00 1,935.757 LINK | 0.0068% |
97 | ![]() | LINK-IDR | $17.31 0.0065932 Eth | $28,689.00 1,657.482 LINK | 0.0059% |
98 | ![]() | LINK-ETH | $17.18 0.0065412 Eth | $25,745.00 1,498.600 LINK | 0.0053% |
99 | ![]() | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $17.29 0.0065626 Eth | $18,769.80 1,026.010 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0036% |
100 | ![]() | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $17.27 0.0065796 Eth | $17,771.14 26.279 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
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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