ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
726,817 ( -0.011%)
Market
Price
$24.09 @ 0.007394 ETH (-1.15%)
Onchain Market Cap
$24,090,000,000.00
Circulating Supply Market Cap
$15,266,416,666.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $24.03 0.0073717 Eth | $79,138,387.00 3,293,864.450 LINK | 14.7312% |
2 | Bybit | LINK-USDT | $24.12 0.0073943 Eth | $49,120,564.00 2,010,492.454 LINK | 8.9916% |
3 | Slex | LINK-USDT | $24.15 0.0073798 Eth | $23,876,203.00 975,624.410 LINK | 4.3633% |
4 | OKX | LINK-USDT | $24.04 0.0073750 Eth | $21,120,700.00 863,294.469 LINK | 3.8609% |
5 | DigiFinex | LINK-USDT | $24.09 0.0073914 Eth | $20,085,776.00 833,822.560 LINK | 3.7291% |
6 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.08 0.0073798 Eth | $19,484,827.00 829,749.637 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.7109% |
7 | Gate.io | LINK-USDT | $24.01 0.0073682 Eth | $18,311,551.00 750,958.580 LINK | 3.3585% |
8 | Binance | LINK-FDUSD | $24.20 0.0074075 Eth | $17,104,840.00 700,902.400 LINK | 3.1347% |
9 | HTX | LINK-USDT | $24.01 0.0073664 Eth | $16,361,633.00 669,501.971 LINK | 2.9942% |
10 | XT.COM | LINK-USDT | $24.07 0.0073673 Eth | $16,148,406.00 661,138.120 LINK | 2.9568% |
11 | Azbit | LINK-USDT | $24.06 0.0073836 Eth | $16,131,739.00 660,285.128 LINK | 2.9530% |
12 | Coinstore | LINK-USDT | $24.17 0.0073945 Eth | $14,042,139.00 575,123.310 LINK | 2.5721% |
13 | MEXC | LINK-USDT | $24.03 0.0073740 Eth | $13,547,112.00 563,674.050 LINK | 2.5209% |
14 | Bitunix | LINK-USDT | $24.20 0.0074037 Eth | $12,227,803.00 505,482.270 LINK | 2.2607% |
15 | CoinW | LINK-USDT | $24.24 0.0074237 Eth | $10,689,876.00 441,008.190 LINK | 1.9723% |
16 | Binance | LINK-USDC | $24.00 0.0073656 Eth | $10,683,488.00 438,684.580 LINK | 1.9619% |
17 | Hotcoin | LINK-USDT | $24.14 0.0073823 Eth | $9,783,985.00 405,225.980 LINK | 1.8123% |
18 | BYDFi | LINK-USDT | $24.14 0.0073768 Eth | $8,987,945.00 372,261.320 LINK | 1.6649% |
19 | KuCoin | LINK-USDT | $24.08 0.0073788 Eth | $8,283,876.00 343,960.672 LINK | 1.5383% |
20 | LATOKEN | LINK-USDT | $24.17 0.0073922 Eth | $8,142,593.00 336,923.617 LINK | 1.5068% |
21 | LBank | LINK-USDT | $24.09 0.0073847 Eth | $7,883,265.00 327,202.900 LINK | 1.4634% |
22 | BTSE | LINK-USDT | $24.17 0.0073916 Eth | $7,806,445.00 323,026.171 LINK | 1.4447% |
23 | Kraken | LINK-USD | $24.06 0.0073741 Eth | $7,184,609.00 298,634.769 LINK | 1.3356% |
24 | QMall | LINK-USDT | $24.10 0.0073875 Eth | $6,468,567.00 264,851.558 LINK | 1.1845% |
25 | Bitvavo | LINK-EUR | $24.10 0.0073960 Eth | $5,263,619.00 218,373.575 LINK | 0.9766% |
26 | Dex-Trade | LINK-USDT | $24.15 0.0073880 Eth | $5,210,640.00 215,786.060 LINK | 0.9651% |
27 | FMCPAY | LINK-USDT | $24.10 0.0073855 Eth | $4,511,080.00 184,011.184 LINK | 0.8230% |
28 | Coinbase Exchange | LINK-EUR | $24.10 0.0073830 Eth | $4,272,790.00 177,312.190 LINK | 0.7930% |
29 | CoinEx | LINK-USDT | $24.16 0.0073940 Eth | $4,212,120.00 172,819.680 LINK | 0.7729% |
30 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.13 0.0073830 Eth | $3,558,676.00 151,047.884 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.6755% |
31 | Biconomy.com | LINK-USDT | $24.15 0.0073851 Eth | $2,712,803.00 110,965.110 LINK | 0.4963% |
32 | PointPay | LINK-USDT | $24.15 0.0073903 Eth | $2,604,356.00 106,595.757 LINK | 0.4767% |
33 | Kraken | LINK-EUR | $24.13 0.0073956 Eth | $2,029,141.00 84,097.671 LINK | 0.3761% |
34 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.26 0.0074200 Eth | $1,896,826.00 80,674.696 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.3608% |
35 | FMCPAY | LINK-ETH | $24.15 0.0074014 Eth | $1,792,663.00 76,371.440 LINK | 0.3416% |
36 | FMCPAY | LINK-BTC | $24.15 0.0073775 Eth | $1,774,126.00 72,838.600 LINK | 0.3258% |
37 | Phemex | LINK-USDT | $24.15 0.0073910 Eth | $1,767,112.00 73,160.740 LINK | 0.3272% |
38 | EXMO | LINK-USDT | $24.04 0.0073745 Eth | $1,701,890.00 70,808.569 LINK | 0.3167% |
39 | ProBit Global | LINK-USDT | $24.17 0.0073955 Eth | $1,689,910.00 69,910.356 LINK | 0.3127% |
40 | Bitbank | LINK-JPY | $24.22 0.0074300 Eth | $1,487,376.00 61,421.371 LINK | 0.2747% |
41 | BigONE | LINK-USDT | $24.12 0.0073932 Eth | $1,377,030.00 57,100.520 LINK | 0.2554% |
42 | Coinbase Exchange | LINK-GBP | $24.06 0.0073706 Eth | $1,326,058.00 55,121.240 LINK | 0.2465% |
43 | BitStorage | LINK-USDT | $24.03 0.0073740 Eth | $1,293,407.00 53,816.620 LINK | 0.2407% |
44 | itBit | LINK-USD | $24.15 0.0073886 Eth | $1,236,639.00 51,206.588 LINK | 0.2290% |
45 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.30 0.0074348 Eth | $1,225,448.00 50,003.989 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2236% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.26 0.0074200 Eth | $1,221,337.00 51,604.954 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2308% |
47 | Binance | LINK-EUR | $24.02 0.0073688 Eth | $1,199,534.00 49,273.690 LINK | 0.2204% |
48 | Kraken | LINK-USDT | $24.08 0.0073794 Eth | $1,164,306.00 48,360.600 LINK | 0.2163% |
49 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.28 0.0074276 Eth | $1,154,985.00 79,508.805 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3556% |
50 | Binance | LINK-TRY | $24.28 0.0074256 Eth | $1,151,617.00 47,047.640 LINK | 0.2104% |
51 | Coinbase Exchange | LINK-ETH | $24.27 0.0074265 Eth | $1,072,603.00 44,189.000 LINK | 0.1976% |
52 | Coinbase Exchange | LINK-USDT | $24.21 0.0074073 Eth | $982,322.00 40,576.939 LINK | 0.1815% |
53 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.13 0.0073800 Eth | $979,568.00 41,154.243 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1841% |
54 | EarnBIT | LINK-USDT | $24.20 0.0073983 Eth | $969,930.00 39,593.192 LINK | 0.1771% |
55 | Gemini | LINK-USD | $24.05 0.0073805 Eth | $931,247.00 38,716.190 LINK | 0.1732% |
56 | Trubit | LINK-USDT | $24.19 0.0073999 Eth | $899,628.00 36,839.460 LINK | 0.1648% |
57 | Curve (Ethereum) | 0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.26 0.0074271 Eth | $894,620.00 37,146.087 0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5 | 0.1661% |
58 | Bybit | LINK-USDC | $24.14 0.0073987 Eth | $817,666.00 33,362.759 LINK | 0.1492% |
59 | QMall | LINK-USDC | $24.20 0.0074077 Eth | $799,116.00 32,749.015 LINK | 0.1465% |
60 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.31 0.0074370 Eth | $783,021.00 784,160.760 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.5070% |
61 | LATOKEN | LINK-BTC | $24.16 0.0073895 Eth | $768,668.00 31,817.480 LINK | 0.1423% |
62 | tanX | LINK-USDC | $24.21 0.0074072 Eth | $735,123.00 29,865.370 LINK | 0.1336% |
63 | ProBit Global | LINK-BTC | $24.16 0.0073927 Eth | $724,555.00 29,985.745 LINK | 0.1341% |
64 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.13 0.0073840 Eth | $699,655.00 29,880.850 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1336% |
65 | Bancor (V3) | LINK-BNT | $23.87 0.0073164 Eth | $674,767.00 29,562.677 LINK | 0.1322% |
66 | GMO Japan | LINK-JPY | $24.09 0.0073669 Eth | $625,344.00 25,963.000 LINK | 0.1161% |
67 | Bitso | LINK-USD | $24.17 0.0073950 Eth | $620,400.00 25,667.006 LINK | 0.1148% |
68 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.26 0.0074196 Eth | $585,542.00 590,084.313 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.6390% |
69 | Coinbase Exchange | LINK-BTC | $24.16 0.0073927 Eth | $540,433.00 22,369.430 LINK | 0.1000% |
70 | Kraken | LINK-ETH | $24.19 0.0074130 Eth | $525,802.00 21,740.730 LINK | 0.0972% |
71 | OKX | LINK-USDC | $24.05 0.0073808 Eth | $445,925.00 18,225.906 LINK | 0.0815% |
72 | Slex | LINK-BTC | $24.12 0.0073950 Eth | $424,235.00 17,387.800 LINK | 0.0778% |
73 | Bitkub | LINK-THB | $24.11 0.0073961 Eth | $373,547.00 15,496.274 LINK | 0.0693% |
74 | HashKey Exchange | LINK-USD | $24.18 0.0073957 Eth | $372,252.00 15,172.074 LINK | 0.0679% |
75 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.22 0.0074092 Eth | $366,622.00 14,930.972 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0668% |
76 | Hotcoin | LINK-BTC | $24.13 0.0073842 Eth | $349,206.00 14,474.630 LINK | 0.0647% |
77 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.04 0.0073556 Eth | $322,111.00 13,645.188 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0610% |
78 | BitDelta | LINK-USDT | $24.18 0.0073971 Eth | $321,868.00 13,162.000 LINK | 0.0589% |
79 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.25 0.0074181 Eth | $315,461.00 13,387.641 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0599% |
80 | bitcastle | LINK-USDT | $24.22 0.0074096 Eth | $314,211.00 12,856.530 LINK | 0.0575% |
81 | PointPay | LINK-BTC | $24.25 0.0074194 Eth | $299,759.00 12,280.580 LINK | 0.0549% |
82 | BYDFi | LINK-USDC | $24.08 0.0073814 Eth | $286,397.00 11,892.580 LINK | 0.0532% |
83 | BitMart | LINK-BTC | $24.17 0.0073984 Eth | $282,579.00 11,690.480 LINK | 0.0523% |
84 | Binance US | LINK-USDT | $24.21 0.0074038 Eth | $275,337.00 11,374.505 LINK | 0.0509% |
85 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.09 0.0073833 Eth | $259,797.00 11,175.803 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0500% |
86 | Bitvavo | LINK-USDC | $24.28 0.0074311 Eth | $255,320.00 10,516.667 LINK | 0.0470% |
87 | BitStorage | LINK-ETH | $24.22 0.0074068 Eth | $235,403.00 9,720.730 LINK | 0.0435% |
88 | Uniswap V2 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.93 0.0073436 Eth | $229,972.00 9,787.010 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0438% |
89 | Binance | LINK-BNB | $24.21 0.0074157 Eth | $225,474.00 9,464.744 LINK | 0.0423% |
90 | Slex | LINK-ETH | $24.19 0.0073968 Eth | $222,350.00 9,421.540 LINK | 0.0421% |
91 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.10 0.0073854 Eth | $211,335.00 8,615.718 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0385% |
92 | Kraken | LINK-GBP | $24.14 0.0074006 Eth | $189,186.00 7,835.512 LINK | 0.0350% |
93 | KuCoin | LINK-USDC | $24.09 0.0073838 Eth | $187,328.00 7,776.235 LINK | 0.0348% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.26 0.0074200 Eth | $174,151.00 7,130.427 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0319% |
95 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.13 0.0073830 Eth | $165,656.00 167,528.982 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.7492% |
96 | Bitcointry | LINK-USDT | $24.10 0.0073944 Eth | $165,083.00 6,785.722 LINK | 0.0303% |
97 | Mercado Bitcoin | LINK-BRL | $24.00 0.0073640 Eth | $153,721.00 6,404.828 LINK | 0.0286% |
98 | BitMart | LINK-ETH | $24.17 0.0073988 Eth | $102,800.00 4,252.700 LINK | 0.0190% |
99 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.20 0.0074021 Eth | $87,179.00 3,717.229 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0166% |
100 | Coins.ph | LINK-PHP | $24.37 0.0074525 Eth | $79,722.00 3,282.534 LINK | 0.0147% |
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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