ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
733,382 ( 0.029%)
Market
Price
$18.78 @ 0.007007 ETH (+0.90%)
Onchain Market Cap
$18,780,000,000.00
Circulating Supply Market Cap
$11,982,136,290.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $18.81 0.0070144 Eth | $85,073,343.00 4,626,954.090 LINK | 22.2365% |
2 | Coinbase Exchange | LINK-USD | $18.81 0.0070195 Eth | $35,189,165.00 1,870,868.460 LINK | 8.9911% |
3 | Bybit | LINK-USDT | $18.81 0.0070144 Eth | $31,136,277.00 1,697,740.251 LINK | 8.1591% |
4 | HTX | LINK-USDT | $18.83 0.0070201 Eth | $18,046,252.00 975,999.945 LINK | 4.6905% |
5 | P2B | LINK-USDT | $18.76 0.0070040 Eth | $16,778,731.00 894,372.210 LINK | 4.2982% |
6 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.83 0.0070296 Eth | $16,133,736.00 861,081.294 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 4.1382% |
7 | DigiFinex | LINK-USDT | $18.82 0.0070175 Eth | $10,785,292.00 573,201.190 LINK | 2.7547% |
8 | OKX | LINK-USDT | $18.80 0.0070124 Eth | $10,633,814.00 577,467.842 LINK | 2.7752% |
9 | Gate.io | LINK-USDT | $18.81 0.0070162 Eth | $10,322,804.00 563,986.940 LINK | 2.7104% |
10 | MEXC | LINK-USDT | $18.78 0.0070115 Eth | $8,797,961.00 468,425.520 LINK | 2.2512% |
11 | XT.COM | LINK-USDT | $18.81 0.0070223 Eth | $8,452,241.00 459,709.140 LINK | 2.2093% |
12 | Coinstore | LINK-USDT | $18.75 0.0069999 Eth | $7,262,350.00 394,761.110 LINK | 1.8972% |
13 | BTSE | LINK-USDT | $18.80 0.0070135 Eth | $7,002,277.00 372,367.744 LINK | 1.7895% |
14 | CoinW | LINK-USDT | $18.79 0.0070136 Eth | $6,112,617.00 325,284.110 LINK | 1.5633% |
15 | Bitunix | LINK-USDT | $18.74 0.0069953 Eth | $6,106,965.00 325,841.750 LINK | 1.5659% |
16 | Binance | LINK-USDC | $18.88 0.0070341 Eth | $6,068,521.00 331,125.000 LINK | 1.5913% |
17 | Binance | LINK-FDUSD | $18.75 0.0069993 Eth | $5,838,073.00 317,573.190 LINK | 1.5262% |
18 | KuCoin | LINK-USDT | $18.83 0.0070209 Eth | $5,638,341.00 299,453.299 LINK | 1.4391% |
19 | Hotcoin | LINK-USDT | $18.79 0.0070163 Eth | $5,624,392.00 299,253.160 LINK | 1.4382% |
20 | BYDFi | LINK-USDT | $18.82 0.0070197 Eth | $4,860,784.00 258,287.100 LINK | 1.2413% |
21 | Kraken | LINK-USD | $18.81 0.0070143 Eth | $4,434,355.00 235,729.410 LINK | 1.1329% |
22 | LBank | LINK-USDT | $18.81 0.0070139 Eth | $4,213,555.00 223,992.780 LINK | 1.0765% |
23 | LATOKEN | LINK-USDT | $18.78 0.0070118 Eth | $4,157,879.00 221,343.098 LINK | 1.0637% |
24 | Bitvavo | LINK-EUR | $18.79 0.0070128 Eth | $4,108,400.00 218,655.148 LINK | 1.0508% |
25 | Coinbase Exchange | LINK-EUR | $18.82 0.0070178 Eth | $3,807,552.00 202,344.390 LINK | 0.9724% |
26 | QMall | LINK-USDT | $18.80 0.0070111 Eth | $3,527,387.00 191,957.222 LINK | 0.9225% |
27 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.83 0.0070245 Eth | $3,112,972.00 166,011.637 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.7978% |
28 | Dex-Trade | LINK-USDT | $18.80 0.0070190 Eth | $2,829,651.00 150,510.602 LINK | 0.7233% |
29 | WhiteBIT | LINK-USDT | $18.78 0.0070112 Eth | $2,744,004.00 146,115.860 LINK | 0.7022% |
30 | FMCPAY | LINK-USDT | $18.81 0.0070125 Eth | $2,465,181.00 133,588.337 LINK | 0.6420% |
31 | Coinbase Exchange | LINK-GBP | $18.82 0.0070163 Eth | $2,007,079.00 106,665.490 LINK | 0.5126% |
32 | Biconomy.com | LINK-USDT | $18.79 0.0070118 Eth | $1,560,527.00 84,623.710 LINK | 0.4067% |
33 | FMCPAY | LINK-ETH | $18.81 0.0070136 Eth | $1,352,416.00 71,964.640 LINK | 0.3459% |
34 | PointPay | LINK-USDT | $18.81 0.0070180 Eth | $1,305,822.00 70,991.009 LINK | 0.3412% |
35 | CoinEx | LINK-USDT | $18.80 0.0070108 Eth | $1,283,901.00 69,548.954 LINK | 0.3342% |
36 | FMCPAY | LINK-BTC | $18.81 0.0070158 Eth | $1,123,487.00 60,551.200 LINK | 0.2910% |
37 | Binance | LINK-ETH | $18.86 0.0070247 Eth | $979,234.00 52,363.550 LINK | 0.2517% |
38 | Trubit | LINK-USDT | $18.81 0.0070136 Eth | $959,638.00 51,859.120 LINK | 0.2492% |
39 | Phemex | LINK-USDT | $18.74 0.0069970 Eth | $942,890.00 50,310.130 LINK | 0.2418% |
40 | EXMO | LINK-USDT | $18.82 0.0070162 Eth | $887,795.00 47,182.272 LINK | 0.2268% |
41 | Tokpie | LINK-USDT | $18.77 0.0070004 Eth | $840,858.00 44,789.005 LINK | 0.2152% |
42 | tanX | LINK-USDC | $18.80 0.0070100 Eth | $828,439.00 44,810.050 LINK | 0.2154% |
43 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.72 0.0069827 Eth | $801,683.00 42,798.525 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2057% |
44 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.68 0.0069708 Eth | $779,005.00 83,720.655 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.4023% |
45 | BigONE | LINK-USDT | $18.85 0.0070316 Eth | $759,767.00 40,313.070 LINK | 0.1937% |
46 | Bitbank | LINK-JPY | $18.84 0.0070313 Eth | $751,382.00 39,881.173 LINK | 0.1917% |
47 | BitStorage | LINK-USDT | $18.81 0.0070181 Eth | $712,606.00 37,894.110 LINK | 0.1821% |
48 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.75 0.0069946 Eth | $639,197.00 34,629.651 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1664% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.76 0.0069969 Eth | $621,353.00 33,231.829 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1597% |
50 | WhiteBIT | LINK-TRY | $18.84 0.0070285 Eth | $612,054.00 32,487.040 LINK | 0.1561% |
51 | Binance | LINK-TRY | $18.77 0.0070015 Eth | $586,091.00 31,773.370 LINK | 0.1527% |
52 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.78 0.0070041 Eth | $527,512.00 28,160.614 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1353% |
53 | Bybit | LINK-USDC | $18.74 0.0069895 Eth | $514,160.00 27,931.779 LINK | 0.1342% |
54 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.83 0.0070245 Eth | $506,129.00 27,700.525 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1331% |
55 | EarnBIT | LINK-USDT | $18.87 0.0070309 Eth | $496,704.00 26,956.492 LINK | 0.1295% |
56 | QMall | LINK-USDC | $18.81 0.0070152 Eth | $490,798.00 26,762.456 LINK | 0.1286% |
57 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.73 0.0069845 Eth | $475,880.00 467,410.536 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2463% |
58 | HashKey Exchange | LINK-USD | $18.73 0.0069953 Eth | $400,444.00 21,642.028 LINK | 0.1040% |
59 | WhiteBIT | LINK-BTC | $18.82 0.0070187 Eth | $392,814.00 20,873.630 LINK | 0.1003% |
60 | Gemini | LINK-USD | $18.83 0.0070242 Eth | $372,820.00 19,795.265 LINK | 0.0951% |
61 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.74 0.0069913 Eth | $332,741.00 17,767.714 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0854% |
62 | WhiteBIT | LINK-EUR | $18.82 0.0070201 Eth | $311,687.00 16,558.500 LINK | 0.0796% |
63 | Slex | LINK-ETH | $18.83 0.0070236 Eth | $307,948.00 16,374.300 LINK | 0.0787% |
64 | BitDelta | LINK-USDT | $18.75 0.0070003 Eth | $293,255.00 15,917.000 LINK | 0.0765% |
65 | OKX | LINK-USDC | $18.74 0.0069892 Eth | $286,169.00 15,451.603 LINK | 0.0743% |
66 | BitMart | LINK-BTC | $18.80 0.0070135 Eth | $272,963.00 14,515.500 LINK | 0.0698% |
67 | itBit | LINK-USD | $18.81 0.0070205 Eth | $268,316.00 14,264.517 LINK | 0.0686% |
68 | Coinbase Exchange | LINK-ETH | $18.78 0.0070073 Eth | $261,721.00 13,938.920 LINK | 0.0670% |
69 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.83 0.0070296 Eth | $248,817.00 13,626.818 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0655% |
70 | LATOKEN | LINK-BTC | $18.80 0.0070177 Eth | $243,631.00 12,959.790 LINK | 0.0623% |
71 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.77 0.0070073 Eth | $218,161.00 11,841.337 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0569% |
72 | Bitso | LINK-USD | $18.78 0.0070021 Eth | $214,883.00 11,445.031 LINK | 0.0550% |
73 | BitStorage | LINK-ETH | $18.75 0.0069974 Eth | $209,255.00 11,160.480 LINK | 0.0536% |
74 | Hotcoin | LINK-BTC | $18.86 0.0070246 Eth | $194,479.00 10,313.890 LINK | 0.0496% |
75 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.83 0.0070245 Eth | $185,585.00 180,544.907 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.8677% |
76 | BYDFi | LINK-USDC | $18.75 0.0069946 Eth | $176,836.00 9,431.190 LINK | 0.0453% |
77 | bitcastle | LINK-USDT | $18.74 0.0069966 Eth | $175,125.00 9,516.340 LINK | 0.0457% |
78 | GMO Japan | LINK-JPY | $18.63 0.0069558 Eth | $170,575.00 9,157.000 LINK | 0.0440% |
79 | Coinbase Exchange | LINK-BTC | $18.78 0.0070011 Eth | $170,411.00 9,076.090 LINK | 0.0436% |
80 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.86 0.0070325 Eth | $163,958.00 8,864.921 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0426% |
81 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.79 0.0070068 Eth | $158,438.00 8,508.115 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0409% |
82 | KuCoin | LINK-USDC | $18.73 0.0069859 Eth | $155,634.00 8,307.143 LINK | 0.0399% |
83 | Binance | LINK-BNB | $18.85 0.0070312 Eth | $140,978.00 7,561.696 LINK | 0.0363% |
84 | CoinTR | LINK-TRY | $18.79 0.0070138 Eth | $131,999.00 7,109.590 LINK | 0.0342% |
85 | Kraken | LINK-GBP | $18.80 0.0070113 Eth | $131,725.00 7,005.528 LINK | 0.0337% |
86 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.83 0.0070296 Eth | $130,252.00 7,108.407 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0342% |
87 | OKX | LINK-EUR | $18.75 0.0069942 Eth | $128,141.00 6,875.404 LINK | 0.0330% |
88 | Bitkub | LINK-THB | $18.84 0.0070270 Eth | $118,500.00 6,289.117 LINK | 0.0302% |
89 | Uniswap V4 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.86 0.0070405 Eth | $112,632.00 109,819.139 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.5278% |
90 | BitMart | LINK-ETH | $18.81 0.0070139 Eth | $82,498.00 4,386.820 LINK | 0.0211% |
91 | Uniswap V4 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.84 0.0070301 Eth | $69,619.00 3,698.510 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0178% |
92 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.84 0.0070253 Eth | $67,862.00 3,615.962 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0174% |
93 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.85 0.0070291 Eth | $67,157.00 3,645.970 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0175% |
94 | Indodax | LINK-IDR | $18.74 0.0069903 Eth | $66,504.00 3,548.211 LINK | 0.0171% |
95 | KuCoin | LINK-BTC | $18.87 0.0070360 Eth | $65,847.00 3,489.630 LINK | 0.0168% |
96 | Binance US | LINK-USDT | $18.77 0.0070078 Eth | $53,974.00 2,875.477 LINK | 0.0138% |
97 | Hotcoin | LINK-ETH | $18.76 0.0070043 Eth | $53,619.00 2,857.740 LINK | 0.0137% |
98 | Bitexen | LINK-TRY | $18.67 0.0069635 Eth | $33,476.00 1,793.162 LINK | 0.0086% |
99 | Dex-Trade | LINK-ETH | $18.76 0.0070022 Eth | $29,848.00 1,591.400 LINK | 0.0076% |
100 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.84 0.0070248 Eth | $27,983.00 1,498.837 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0072% |
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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