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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
731,707 ( -0.027%)
Market
Price
$23.18 @ 0.007407 ETH (-5.47%)
Onchain Market Cap
$23,180,000,000.00
Circulating Supply Market Cap
$14,784,810,411.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $23.15 0.0074247 Eth | $92,675,438.00 3,948,010.410 LINK | 21.2253% |
2 | Coinbase Exchange | LINK-USD | $23.22 0.0074230 Eth | $51,642,729.00 2,223,679.350 LINK | 11.9550% |
3 | Bybit | LINK-USDT | $23.23 0.0074262 Eth | $36,201,064.00 1,549,272.386 LINK | 8.3292% |
4 | P2B | LINK-USDT | $23.25 0.0074320 Eth | $18,696,923.00 804,109.210 LINK | 4.3231% |
5 | OKX | LINK-USDT | $23.22 0.0074208 Eth | $13,360,510.00 569,397.158 LINK | 3.0612% |
6 | HTX | LINK-USDT | $23.24 0.0074292 Eth | $13,003,596.00 553,361.931 LINK | 2.9750% |
7 | Gate.io | LINK-USDT | $23.24 0.0074281 Eth | $12,039,004.00 514,922.640 LINK | 2.7683% |
8 | DigiFinex | LINK-USDT | $23.25 0.0074301 Eth | $11,715,549.00 503,978.240 LINK | 2.7095% |
9 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.11 0.0073833 Eth | $10,935,408.00 469,810.483 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.5258% |
10 | XT.COM | LINK-USDT | $23.29 0.0074404 Eth | $9,239,831.00 393,724.350 LINK | 2.1167% |
11 | Azbit | LINK-USDT | $23.30 0.0074435 Eth | $9,130,027.00 389,058.377 LINK | 2.0917% |
12 | Kraken | LINK-USD | $23.24 0.0074276 Eth | $9,103,644.00 391,747.019 LINK | 2.1061% |
13 | MEXC | LINK-USDT | $23.29 0.0074472 Eth | $8,982,317.00 385,664.850 LINK | 2.0734% |
14 | Coinstore | LINK-USDT | $23.32 0.0074477 Eth | $8,357,334.00 356,365.490 LINK | 1.9159% |
15 | KuCoin | LINK-USDT | $23.23 0.0074262 Eth | $8,225,411.00 354,031.947 LINK | 1.9033% |
16 | Binance | LINK-FDUSD | $23.23 0.0074357 Eth | $7,874,938.00 335,497.300 LINK | 1.8037% |
17 | Bitunix | LINK-USDT | $23.32 0.0074538 Eth | $7,183,269.00 307,995.320 LINK | 1.6558% |
18 | Binance | LINK-USDC | $23.14 0.0074210 Eth | $6,622,935.00 282,569.200 LINK | 1.5192% |
19 | CoinW | LINK-USDT | $23.29 0.0074405 Eth | $6,195,607.00 266,021.650 LINK | 1.4302% |
20 | BTSE | LINK-USDT | $23.30 0.0074422 Eth | $5,629,431.00 241,624.934 LINK | 1.2990% |
21 | BYDFi | LINK-USDT | $23.29 0.0074493 Eth | $5,124,972.00 220,074.990 LINK | 1.1832% |
22 | Hotcoin | LINK-USDT | $23.25 0.0074303 Eth | $4,954,953.00 213,093.440 LINK | 1.1456% |
23 | LATOKEN | LINK-USDT | $23.24 0.0074340 Eth | $4,598,055.00 197,847.637 LINK | 1.0637% |
24 | Coinbase Exchange | LINK-EUR | $23.30 0.0074452 Eth | $4,518,443.00 193,886.550 LINK | 1.0424% |
25 | Bitvavo | LINK-EUR | $23.33 0.0074530 Eth | $4,052,848.00 173,736.593 LINK | 0.9340% |
26 | QMall | LINK-USDT | $23.31 0.0074481 Eth | $3,742,472.00 159,617.064 LINK | 0.8581% |
27 | FMCPAY | LINK-USDT | $23.25 0.0074299 Eth | $3,685,768.00 157,561.894 LINK | 0.8471% |
28 | Dex-Trade | LINK-USDT | $23.19 0.0074176 Eth | $2,964,641.00 127,845.270 LINK | 0.6873% |
29 | CoinEx | LINK-USDT | $23.29 0.0074398 Eth | $2,152,793.00 91,909.370 LINK | 0.4941% |
30 | Biconomy.com | LINK-USDT | $23.25 0.0074388 Eth | $2,121,265.00 90,340.350 LINK | 0.4857% |
31 | Coinbase Exchange | LINK-USDT | $23.32 0.0074495 Eth | $2,109,818.00 90,485.178 LINK | 0.4865% |
32 | Coinbase Exchange | LINK-GBP | $23.28 0.0074367 Eth | $1,910,474.00 82,072.290 LINK | 0.4412% |
33 | FMCPAY | LINK-ETH | $23.28 0.0074373 Eth | $1,584,147.00 67,805.120 LINK | 0.3645% |
34 | FMCPAY | LINK-BTC | $23.28 0.0074413 Eth | $1,547,135.00 65,925.400 LINK | 0.3544% |
35 | PointPay | LINK-USDT | $23.23 0.0074255 Eth | $1,480,068.00 63,170.440 LINK | 0.3396% |
36 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.12 0.0073871 Eth | $1,304,680.00 56,102.788 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3016% |
37 | Phemex | LINK-USDT | $23.31 0.0074481 Eth | $1,282,636.00 55,020.180 LINK | 0.2958% |
38 | WhiteBIT | LINK-TRY | $23.36 0.0074637 Eth | $1,238,496.00 53,021.790 LINK | 0.2851% |
39 | Kraken | LINK-EUR | $23.28 0.0074397 Eth | $1,165,957.00 50,091.896 LINK | 0.2693% |
40 | EXMO | LINK-USDT | $23.25 0.0074305 Eth | $980,445.00 42,175.240 LINK | 0.2267% |
41 | WhiteBIT | LINK-BTC | $23.14 0.0074065 Eth | $972,397.00 42,021.310 LINK | 0.2259% |
42 | Gemini | LINK-USD | $23.31 0.0074510 Eth | $901,785.00 38,683.672 LINK | 0.2080% |
43 | Binance | LINK-TRY | $23.35 0.0074598 Eth | $818,164.00 34,712.130 LINK | 0.1866% |
44 | Trubit | LINK-USDT | $23.32 0.0074498 Eth | $771,840.00 32,991.160 LINK | 0.1774% |
45 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.25 0.0074261 Eth | $738,389.00 31,705.061 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1705% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.25 0.0074261 Eth | $710,098.00 30,486.231 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1639% |
47 | Bybit | LINK-USDC | $23.27 0.0074371 Eth | $704,269.00 30,120.553 LINK | 0.1619% |
48 | BigONE | LINK-USDT | $23.20 0.0074144 Eth | $678,321.00 29,242.330 LINK | 0.1572% |
49 | Bitbank | LINK-JPY | $23.42 0.0074834 Eth | $668,297.00 28,530.640 LINK | 0.1534% |
50 | Coinbase Exchange | LINK-BTC | $23.25 0.0074284 Eth | $661,084.00 28,436.370 LINK | 0.1529% |
51 | EarnBIT | LINK-USDT | $23.33 0.0074545 Eth | $636,704.00 27,121.898 LINK | 0.1458% |
52 | Binance | LINK-EUR | $23.33 0.0074571 Eth | $609,072.00 25,814.650 LINK | 0.1388% |
53 | WhiteBIT | LINK-EUR | $23.31 0.0074508 Eth | $567,997.00 24,371.660 LINK | 0.1310% |
54 | OKX | LINK-USDC | $23.22 0.0074232 Eth | $539,385.00 22,952.362 LINK | 0.1234% |
55 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.12 0.0073868 Eth | $535,044.00 23,033.498 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1238% |
56 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.20 0.0074147 Eth | $519,077.00 45,579.651 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2450% |
57 | QMall | LINK-USDC | $23.34 0.0074560 Eth | $513,757.00 21,941.128 LINK | 0.1180% |
58 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.27 0.0074334 Eth | $424,326.00 427,758.447 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2997% |
59 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.20 0.0074142 Eth | $423,982.00 18,113.325 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0974% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.30 0.0074422 Eth | $402,510.00 17,228.843 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0926% |
61 | GMO Japan | LINK-JPY | $23.19 0.0074074 Eth | $391,229.00 16,873.500 LINK | 0.0907% |
62 | itBit | LINK-USD | $23.31 0.0074469 Eth | $378,423.00 16,234.377 LINK | 0.0873% |
63 | Slex | LINK-ETH | $23.29 0.0074433 Eth | $373,130.00 15,959.670 LINK | 0.0858% |
64 | Tokpie | LINK-USDT | $23.28 0.0074655 Eth | $372,094.00 15,984.520 LINK | 0.0859% |
65 | HashKey Exchange | LINK-USD | $23.28 0.0074415 Eth | $367,292.00 15,568.547 LINK | 0.0837% |
66 | ProBit Global | LINK-BTC | $23.19 0.0074239 Eth | $333,283.00 14,373.457 LINK | 0.0773% |
67 | Coinbase Exchange | LINK-ETH | $23.24 0.0074234 Eth | $320,986.00 13,813.530 LINK | 0.0743% |
68 | LATOKEN | LINK-BTC | $23.29 0.0074391 Eth | $318,102.00 13,660.553 LINK | 0.0734% |
69 | BitDelta | LINK-USDT | $23.28 0.0074426 Eth | $288,285.00 12,275.000 LINK | 0.0660% |
70 | BitMart | LINK-BTC | $23.30 0.0074447 Eth | $272,052.00 11,674.160 LINK | 0.0628% |
71 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.32 0.0074484 Eth | $237,965.00 10,144.120 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0545% |
72 | Bitci TR | LINK-TRY | $23.42 0.0074832 Eth | $233,497.00 9,919.554 LINK | 0.0533% |
73 | Bitso | LINK-USD | $23.21 0.0074163 Eth | $228,862.00 9,858.813 LINK | 0.0530% |
74 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.22 0.0074187 Eth | $201,879.00 8,776.997 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0472% |
75 | bitcastle | LINK-USDT | $23.24 0.0074321 Eth | $192,015.00 8,186.820 LINK | 0.0440% |
76 | Hotcoin | LINK-BTC | $23.25 0.0074308 Eth | $181,656.00 7,811.840 LINK | 0.0420% |
77 | CoinTR | LINK-TRY | $23.38 0.0074723 Eth | $169,471.00 7,197.250 LINK | 0.0387% |
78 | BitStorage | LINK-ETH | $23.27 0.0074340 Eth | $158,944.00 6,831.670 LINK | 0.0367% |
79 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.35 0.0074602 Eth | $156,973.00 6,653.103 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0358% |
80 | BYDFi | LINK-USDC | $23.12 0.0074030 Eth | $153,810.00 6,652.950 LINK | 0.0358% |
81 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.20 0.0074147 Eth | $152,838.00 6,542.361 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0352% |
82 | KuCoin | LINK-USDC | $23.27 0.0074363 Eth | $137,677.00 5,917.709 LINK | 0.0318% |
83 | OKX | LINK-EUR | $23.16 0.0074038 Eth | $135,155.00 5,724.569 LINK | 0.0308% |
84 | Kraken | LINK-USDC | $23.15 0.0073989 Eth | $132,734.00 5,734.087 LINK | 0.0308% |
85 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.12 0.0073871 Eth | $130,289.00 130,722.736 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.7028% |
86 | PointPay | LINK-BTC | $23.31 0.0074474 Eth | $123,543.00 5,286.615 LINK | 0.0284% |
87 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.31 0.0074463 Eth | $109,820.00 4,733.077 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0254% |
88 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.21 0.0074191 Eth | $98,347.00 99,622.102 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5356% |
89 | Bitkub | LINK-THB | $23.14 0.0073979 Eth | $90,781.00 3,922.270 LINK | 0.0211% |
90 | BitMart | LINK-ETH | $23.29 0.0074392 Eth | $86,898.00 3,731.740 LINK | 0.0201% |
91 | Binance US | LINK-USDT | $23.25 0.0074283 Eth | $82,874.00 3,564.269 LINK | 0.0192% |
92 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $23.20 0.0074151 Eth | $74,509.00 3,081.012 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0166% |
93 | Mercado Bitcoin | LINK-BRL | $23.15 0.0073974 Eth | $73,525.00 3,175.912 LINK | 0.0171% |
94 | BTCMarkets | LINK-AUD | $23.36 0.0074770 Eth | $62,068.00 2,656.846 LINK | 0.0143% |
95 | Hotcoin | LINK-ETH | $23.16 0.0074214 Eth | $55,958.00 2,415.950 LINK | 0.0130% |
96 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.11 0.0073844 Eth | $53,776.00 2,347.935 0X5947BB275C521040051D82396192181B413227A3 | 0.0126% |
97 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.20 0.0074147 Eth | $51,940.00 4,546.059 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0244% |
98 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.13 0.0073897 Eth | $51,749.00 2,222.475 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0119% |
99 | OKX | LINK-USD | $23.19 0.0074116 Eth | $39,012.00 1,649.560 LINK | 0.0089% |
100 | Dex-Trade | LINK-ETH | $23.26 0.0074268 Eth | $22,382.00 962.100 LINK | 0.0052% |
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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