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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
727,197 ( 0.010%)
Market
Price
$23.33 @ 0.007134 ETH (-1.81%)
Onchain Market Cap
$23,330,000,000.00
Circulating Supply Market Cap
$14,749,521,632.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
480.2141476 LINKValue
$11,203.40 ( ~3.4258 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $23.25 0.0071221 Eth | $147,867,791.00 6,177,826.460 LINK | 21.8847% |
2 | Coinbase Exchange | LINK-USD | $23.23 0.0071092 Eth | $73,373,852.00 3,158,445.700 LINK | 11.1887% |
3 | Bybit | LINK-USDT | $23.25 0.0071216 Eth | $42,685,447.00 1,783,981.639 LINK | 6.3197% |
4 | P2B | LINK-USDT | $23.23 0.0071168 Eth | $29,157,601.00 1,255,062.330 LINK | 4.4460% |
5 | Slex | LINK-USDT | $23.40 0.0071329 Eth | $24,313,518.00 1,017,431.320 LINK | 3.6042% |
6 | OKX | LINK-USDT | $23.23 0.0071174 Eth | $19,749,060.00 825,325.322 LINK | 2.9237% |
7 | HTX | LINK-USDT | $23.25 0.0071225 Eth | $18,290,389.00 765,115.069 LINK | 2.7104% |
8 | DigiFinex | LINK-USDT | $23.23 0.0071155 Eth | $18,026,135.00 775,973.820 LINK | 2.7489% |
9 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.17 0.0071042 Eth | $15,995,609.00 672,977.141 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.3840% |
10 | XT.COM | LINK-USDT | $23.26 0.0071163 Eth | $14,800,502.00 618,821.620 LINK | 2.1921% |
11 | Azbit | LINK-USDT | $23.24 0.0071236 Eth | $14,653,433.00 612,353.154 LINK | 2.1692% |
12 | Binance | LINK-FDUSD | $23.37 0.0071434 Eth | $14,320,468.00 599,648.190 LINK | 2.1242% |
13 | MEXC | LINK-USDT | $23.20 0.0071119 Eth | $13,023,297.00 561,319.000 LINK | 1.9884% |
14 | Coinstore | LINK-USDT | $23.22 0.0071114 Eth | $12,985,532.00 542,660.590 LINK | 1.9224% |
15 | Bitunix | LINK-USDT | $23.24 0.0071183 Eth | $10,871,334.00 467,946.660 LINK | 1.6577% |
16 | CoinW | LINK-USDT | $23.32 0.0071251 Eth | $9,720,010.00 416,860.990 LINK | 1.4767% |
17 | Kraken | LINK-USD | $23.21 0.0071111 Eth | $8,941,502.00 385,182.457 LINK | 1.3645% |
18 | KuCoin | LINK-USDT | $23.24 0.0071177 Eth | $8,697,740.00 374,293.933 LINK | 1.3259% |
19 | BTSE | LINK-USDT | $23.19 0.0071093 Eth | $8,146,583.00 351,328.876 LINK | 1.2446% |
20 | BYDFi | LINK-USDT | $23.27 0.0071156 Eth | $8,042,875.00 345,685.930 LINK | 1.2246% |
21 | Binance | LINK-USDC | $23.39 0.0071320 Eth | $7,426,786.00 310,548.690 LINK | 1.1001% |
22 | LATOKEN | LINK-USDT | $23.20 0.0071113 Eth | $7,345,593.00 316,676.456 LINK | 1.1218% |
23 | LBank | LINK-USDT | $23.18 0.0071061 Eth | $7,075,733.00 305,262.630 LINK | 1.0814% |
24 | Hotcoin | LINK-USDT | $23.25 0.0071229 Eth | $6,317,958.00 271,717.220 LINK | 0.9625% |
25 | QMall | LINK-USDT | $23.20 0.0071107 Eth | $5,680,680.00 237,431.145 LINK | 0.8411% |
26 | Coinbase Exchange | LINK-USDT | $23.26 0.0071252 Eth | $5,260,424.00 226,137.204 LINK | 0.8011% |
27 | Coinbase Exchange | LINK-EUR | $23.20 0.0071069 Eth | $4,931,947.00 212,584.590 LINK | 0.7531% |
28 | Dex-Trade | LINK-USDT | $23.24 0.0071198 Eth | $4,532,208.00 195,000.970 LINK | 0.6908% |
29 | FMCPAY | LINK-USDT | $23.25 0.0071225 Eth | $3,714,575.00 155,578.592 LINK | 0.5511% |
30 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.35 0.0071403 Eth | $3,650,414.00 153,455.477 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5436% |
31 | Bitvavo | LINK-EUR | $23.25 0.0071250 Eth | $3,586,013.00 154,262.725 LINK | 0.5465% |
32 | CoinEx | LINK-USDT | $23.23 0.0071143 Eth | $2,769,992.00 116,169.749 LINK | 0.4115% |
33 | Biconomy.com | LINK-USDT | $23.19 0.0071110 Eth | $2,545,050.00 106,529.760 LINK | 0.3774% |
34 | Coinbase Exchange | LINK-ETH | $23.21 0.0071144 Eth | $2,400,452.00 103,440.460 LINK | 0.3664% |
35 | PointPay | LINK-USDT | $23.23 0.0071154 Eth | $2,070,859.00 86,632.978 LINK | 0.3069% |
36 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.41 0.0071611 Eth | $1,778,833.00 75,558.986 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2677% |
37 | FMCPAY | LINK-ETH | $23.24 0.0071198 Eth | $1,763,827.00 74,238.080 LINK | 0.2630% |
38 | FMCPAY | LINK-BTC | $23.22 0.0071195 Eth | $1,694,111.00 70,529.000 LINK | 0.2498% |
39 | AscendEX (BitMax) | LINK-USDT | $23.29 0.0071334 Eth | $1,686,301.00 72,416.300 LINK | 0.2565% |
40 | Coinbase Exchange | LINK-GBP | $23.14 0.0070900 Eth | $1,666,897.00 72,021.350 LINK | 0.2551% |
41 | Phemex | LINK-USDT | $23.39 0.0071501 Eth | $1,639,189.00 70,077.880 LINK | 0.2482% |
42 | EXMO | LINK-USDT | $23.29 0.0071345 Eth | $1,362,536.00 58,503.288 LINK | 0.2072% |
43 | Kraken | LINK-EUR | $23.13 0.0070868 Eth | $1,311,874.00 56,706.932 LINK | 0.2009% |
44 | Binance | LINK-ETH | $23.35 0.0071349 Eth | $1,191,011.00 49,910.020 LINK | 0.1768% |
45 | tanX | LINK-USDC | $23.36 0.0071431 Eth | $1,182,067.00 49,414.830 LINK | 0.1750% |
46 | Bitbank | LINK-JPY | $23.26 0.0071264 Eth | $1,140,894.00 49,042.307 LINK | 0.1737% |
47 | BitStorage | LINK-USDT | $23.38 0.0071480 Eth | $1,130,831.00 48,367.930 LINK | 0.1713% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.41 0.0071587 Eth | $1,079,221.00 45,188.720 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1601% |
49 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.28 0.0071199 Eth | $1,063,369.00 44,562.799 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1579% |
50 | Tokpie | LINK-USDT | $23.16 0.0070804 Eth | $1,059,314.00 45,736.259 LINK | 0.1620% |
51 | Kraken | LINK-USDT | $23.31 0.0071414 Eth | $1,038,160.00 44,532.600 LINK | 0.1578% |
52 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.31 0.0071473 Eth | $974,536.00 1,002,510.920 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.5513% |
53 | Binance | LINK-TRY | $23.59 0.0072117 Eth | $956,400.00 39,651.300 LINK | 0.1405% |
54 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.41 0.0071602 Eth | $947,578.00 39,714.136 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1407% |
55 | EarnBIT | LINK-USDT | $23.19 0.0071012 Eth | $901,715.00 37,784.250 LINK | 0.1338% |
56 | Nonkyc.io | LINK-USDT | $23.38 0.0071552 Eth | $896,866.00 37,461.165 LINK | 0.1327% |
57 | Trubit | LINK-USDT | $23.23 0.0071148 Eth | $878,400.00 36,802.220 LINK | 0.1304% |
58 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.45 0.0071724 Eth | $875,512.00 63,315.226 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2243% |
59 | Binance | LINK-EUR | $23.37 0.0071455 Eth | $855,343.00 35,878.310 LINK | 0.1271% |
60 | BigONE | LINK-USDT | $23.22 0.0071180 Eth | $853,174.00 36,748.540 LINK | 0.1302% |
61 | Gemini | LINK-USD | $23.29 0.0071354 Eth | $806,581.00 34,627.777 LINK | 0.1227% |
62 | Bybit | LINK-USDC | $23.24 0.0071198 Eth | $787,092.00 32,921.231 LINK | 0.1166% |
63 | LATOKEN | LINK-BTC | $23.23 0.0071165 Eth | $740,996.00 31,893.393 LINK | 0.1130% |
64 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.41 0.0071611 Eth | $642,291.00 658,040.493 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3311% |
65 | QMall | LINK-USDC | $23.37 0.0071441 Eth | $616,031.00 25,736.503 LINK | 0.0912% |
66 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.38 0.0071660 Eth | $581,599.00 24,420.878 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0865% |
67 | itBit | LINK-USD | $23.27 0.0071284 Eth | $561,956.00 24,149.356 LINK | 0.0855% |
68 | Kraken | LINK-ETH | $23.34 0.0071497 Eth | $540,928.00 23,176.319 LINK | 0.0821% |
69 | Bitbegin | LINK-USDT | $23.21 0.0071145 Eth | $457,602.00 19,154.239 LINK | 0.0679% |
70 | Coinbase Exchange | LINK-BTC | $23.20 0.0071110 Eth | $417,211.00 17,986.180 LINK | 0.0637% |
71 | Slex | LINK-BTC | $23.27 0.0071258 Eth | $409,331.00 17,022.600 LINK | 0.0603% |
72 | GMO Japan | LINK-JPY | $23.39 0.0071718 Eth | $407,235.00 17,408.300 LINK | 0.0617% |
73 | OKX | LINK-USDC | $23.16 0.0070934 Eth | $341,139.00 14,273.704 LINK | 0.0506% |
74 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.16 0.0070996 Eth | $336,245.00 14,148.631 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0501% |
75 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.19 0.0071073 Eth | $327,644.00 13,683.290 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0485% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.37 0.0071488 Eth | $316,062.00 13,259.519 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0470% |
77 | BitDelta | LINK-USDT | $23.22 0.0071123 Eth | $315,647.00 13,208.000 LINK | 0.0468% |
78 | Slex | LINK-ETH | $23.36 0.0071394 Eth | $301,740.00 12,658.540 LINK | 0.0448% |
79 | Bitget | LINK-EUR | $23.14 0.0070873 Eth | $301,739.00 12,654.600 LINK | 0.0448% |
80 | PointPay | LINK-BTC | $23.33 0.0071355 Eth | $299,745.00 12,469.346 LINK | 0.0442% |
81 | BitMart | LINK-BTC | $23.20 0.0071118 Eth | $281,580.00 12,136.660 LINK | 0.0430% |
82 | BitStorage | LINK-ETH | $23.35 0.0071403 Eth | $240,745.00 10,311.540 LINK | 0.0365% |
83 | Hotcoin | LINK-BTC | $23.24 0.0071205 Eth | $224,504.00 9,658.510 LINK | 0.0342% |
84 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.40 0.0071569 Eth | $194,559.00 8,163.080 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0289% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.41 0.0071611 Eth | $193,821.00 8,095.544 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0287% |
86 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.21 0.0071000 Eth | $190,528.00 7,953.124 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0282% |
87 | BYDFi | LINK-USDC | $23.37 0.0071327 Eth | $186,187.00 7,966.380 LINK | 0.0282% |
88 | Uniswap V2 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.18 0.0071073 Eth | $179,769.00 7,570.388 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0268% |
89 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.41 0.0071584 Eth | $165,625.00 6,863.950 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0243% |
90 | KuCoin | LINK-USDC | $23.16 0.0070945 Eth | $165,590.00 7,149.255 LINK | 0.0253% |
91 | Bitkub | LINK-THB | $23.41 0.0071752 Eth | $164,784.00 7,039.732 LINK | 0.0249% |
92 | Bitcointry | LINK-USDT | $23.21 0.0071144 Eth | $148,944.00 6,257.976 LINK | 0.0222% |
93 | Kraken | LINK-GBP | $23.32 0.0071429 Eth | $148,360.00 6,362.680 LINK | 0.0225% |
94 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.35 0.0071403 Eth | $142,890.00 146,543.568 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5191% |
95 | Binance US | LINK-USDT | $23.30 0.0071256 Eth | $140,164.00 6,015.418 LINK | 0.0213% |
96 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.38 0.0071611 Eth | $125,594.00 5,203.140 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0184% |
97 | Bitso | LINK-USD | $23.37 0.0071411 Eth | $110,038.00 4,708.805 LINK | 0.0167% |
98 | Mercado Bitcoin | LINK-BRL | $23.25 0.0071219 Eth | $102,001.00 4,387.354 LINK | 0.0155% |
99 | BitMart | LINK-ETH | $23.20 0.0071110 Eth | $100,139.00 4,316.640 LINK | 0.0153% |
100 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.26 0.0071136 Eth | $73,139.00 3,071.650 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0109% |
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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