ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,211 (0.00%)
Market
Price
$23.96 @ 0.007606 ETH (+3.41%)
Onchain Market Cap
$23,960,000,000.00
Circulating Supply Market Cap
$15,295,522,055.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
173.062636974263455 LINKValue
$4,146.58 ( ~1.3162 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $24.08 0.0076430 Eth | $65,585,656.00 2,723,543.690 LINK | 14.1534% |
2 | Bybit | LINK-USDT | $24.07 0.0076399 Eth | $50,589,365.00 2,171,103.402 LINK | 11.2825% |
3 | OKX | LINK-USDT | $24.07 0.0076400 Eth | $26,303,917.00 1,139,965.471 LINK | 5.9240% |
4 | P2B | LINK-USDT | $24.10 0.0076453 Eth | $21,639,131.00 897,980.060 LINK | 4.6665% |
5 | DigiFinex | LINK-USDT | $24.08 0.0076428 Eth | $17,695,924.00 734,932.630 LINK | 3.8192% |
6 | Gate.io | LINK-USDT | $24.07 0.0076388 Eth | $17,259,152.00 739,270.400 LINK | 3.8417% |
7 | MEXC | LINK-USDT | $24.12 0.0076518 Eth | $14,502,762.00 601,278.160 LINK | 3.1246% |
8 | HTX | LINK-USDT | $24.08 0.0076385 Eth | $13,944,848.00 598,269.980 LINK | 3.1090% |
9 | XT.COM | LINK-USDT | $24.06 0.0076379 Eth | $12,398,700.00 530,995.460 LINK | 2.7594% |
10 | Azbit | LINK-USDT | $24.08 0.0076391 Eth | $12,176,047.00 521,217.042 LINK | 2.7086% |
11 | Binance | LINK-FDUSD | $23.95 0.0076229 Eth | $10,715,117.00 459,227.270 LINK | 2.3865% |
12 | Kraken | LINK-USD | $24.09 0.0076468 Eth | $10,639,286.00 441,596.454 LINK | 2.2948% |
13 | Bitunix | LINK-USDT | $24.11 0.0076470 Eth | $10,546,504.00 437,611.610 LINK | 2.2741% |
14 | Coinstore | LINK-USDT | $24.03 0.0076310 Eth | $10,133,500.00 433,994.980 LINK | 2.2553% |
15 | Binance | LINK-USDC | $23.92 0.0076089 Eth | $9,826,124.00 418,893.070 LINK | 2.1768% |
16 | KuCoin | LINK-USDT | $24.07 0.0076386 Eth | $9,760,976.00 405,573.423 LINK | 2.1076% |
17 | CoinW | LINK-USDT | $24.06 0.0076417 Eth | $8,457,171.00 351,494.420 LINK | 1.8266% |
18 | BYDFi | LINK-USDT | $24.13 0.0076550 Eth | $7,228,988.00 299,583.100 LINK | 1.5568% |
19 | Coinbase Exchange | LINK-EUR | $24.10 0.0076532 Eth | $7,221,601.00 299,647.400 LINK | 1.5572% |
20 | BTSE | LINK-USDT | $23.94 0.0076358 Eth | $6,491,687.00 271,130.711 LINK | 1.4090% |
21 | LBank | LINK-USDT | $24.05 0.0076381 Eth | $6,255,420.00 260,125.270 LINK | 1.3518% |
22 | LATOKEN | LINK-USDT | $24.06 0.0076408 Eth | $6,155,933.00 255,880.857 LINK | 1.3297% |
23 | QMall | LINK-USDT | $24.09 0.0076450 Eth | $5,219,827.00 223,403.726 LINK | 1.1610% |
24 | WhiteBIT | LINK-USDT | $23.95 0.0076074 Eth | $4,879,183.00 203,749.670 LINK | 1.0588% |
25 | Bitvavo | LINK-EUR | $24.03 0.0076340 Eth | $4,859,330.00 202,188.897 LINK | 1.0507% |
26 | Dex-Trade | LINK-USDT | $24.06 0.0076423 Eth | $3,796,549.00 157,815.140 LINK | 0.8201% |
27 | FMCPAY | LINK-USDT | $24.09 0.0076427 Eth | $3,577,432.00 153,473.836 LINK | 0.7976% |
28 | Biconomy.com | LINK-USDT | $24.01 0.0076287 Eth | $3,388,036.00 146,772.490 LINK | 0.7627% |
29 | CoinEx | LINK-USDT | $24.10 0.0076495 Eth | $2,528,282.00 108,729.971 LINK | 0.5650% |
30 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.90 0.0075815 Eth | $2,314,610.00 98,410.571 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5114% |
31 | PointPay | LINK-USDT | $24.11 0.0076486 Eth | $2,094,172.00 89,584.347 LINK | 0.4655% |
32 | Coinbase Exchange | LINK-GBP | $24.07 0.0076436 Eth | $2,037,421.00 84,644.890 LINK | 0.4399% |
33 | WhiteBIT | LINK-TRY | $24.15 0.0076621 Eth | $2,029,385.00 84,024.480 LINK | 0.4366% |
34 | Phemex | LINK-USDT | $24.09 0.0076421 Eth | $1,768,231.00 73,408.440 LINK | 0.3815% |
35 | FMCPAY | LINK-ETH | $24.08 0.0076446 Eth | $1,703,464.00 72,374.880 LINK | 0.3761% |
36 | FMCPAY | LINK-BTC | $23.97 0.0076408 Eth | $1,454,721.00 61,659.700 LINK | 0.3204% |
37 | Kraken | LINK-EUR | $23.98 0.0076099 Eth | $1,408,432.00 58,742.107 LINK | 0.3053% |
38 | OKX | LINK-USDC | $24.12 0.0076565 Eth | $1,338,129.00 57,630.701 LINK | 0.2995% |
39 | EarnBIT | LINK-USDT | $24.07 0.0076470 Eth | $1,298,759.00 56,198.596 LINK | 0.2920% |
40 | Binance | LINK-TRY | $24.07 0.0076400 Eth | $1,204,153.00 51,591.670 LINK | 0.2681% |
41 | Tokpie | LINK-USDT | $24.02 0.0076296 Eth | $1,203,594.00 50,114.410 LINK | 0.2604% |
42 | WhiteBIT | LINK-BTC | $24.14 0.0076569 Eth | $1,177,484.00 48,785.520 LINK | 0.2535% |
43 | EXMO | LINK-USDT | $24.12 0.0076569 Eth | $1,159,888.00 48,079.082 LINK | 0.2499% |
44 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.86 0.0075776 Eth | $1,132,373.00 93,684.124 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.4868% |
45 | Bitbank | LINK-JPY | $24.15 0.0076610 Eth | $1,082,516.00 44,832.077 LINK | 0.2330% |
46 | tanX | LINK-USDC | $24.07 0.0076410 Eth | $1,039,451.00 44,761.150 LINK | 0.2326% |
47 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.04 0.0076268 Eth | $1,018,595.00 43,030.812 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2236% |
48 | WhiteBIT | LINK-EUR | $24.07 0.0076398 Eth | $995,159.00 41,342.990 LINK | 0.2148% |
49 | BigONE | LINK-USDT | $23.98 0.0076161 Eth | $954,203.00 39,794.240 LINK | 0.2068% |
50 | Binance | LINK-EUR | $23.95 0.0076236 Eth | $950,430.00 40,690.210 LINK | 0.2115% |
51 | BitStorage | LINK-USDT | $24.04 0.0076360 Eth | $919,474.00 38,252.520 LINK | 0.1988% |
52 | Trubit | LINK-USDT | $24.12 0.0076516 Eth | $860,074.00 36,909.450 LINK | 0.1918% |
53 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.97 0.0076062 Eth | $857,155.00 36,820.917 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1913% |
54 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.05 0.0076303 Eth | $801,306.00 34,011.776 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1767% |
55 | Coinbase Exchange | LINK-USDT | $23.95 0.0076029 Eth | $790,139.00 32,987.545 LINK | 0.1714% |
56 | QMall | LINK-USDC | $24.13 0.0076541 Eth | $771,131.00 32,872.112 LINK | 0.1708% |
57 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.09 0.0076436 Eth | $751,829.00 729,709.532 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.7921% |
58 | Bybit | LINK-USDC | $24.09 0.0076479 Eth | $710,468.00 30,643.223 LINK | 0.1592% |
59 | Gemini | LINK-USD | $24.11 0.0076542 Eth | $679,969.00 28,198.066 LINK | 0.1465% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.08 0.0076391 Eth | $548,186.00 23,236.864 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1208% |
61 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.07 0.0076365 Eth | $534,268.00 22,552.719 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1172% |
62 | LATOKEN | LINK-BTC | $24.01 0.0076265 Eth | $526,017.00 21,905.870 LINK | 0.1138% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.04 0.0076268 Eth | $523,879.00 22,446.174 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1166% |
64 | itBit | LINK-USD | $24.04 0.0076366 Eth | $518,857.00 21,583.082 LINK | 0.1122% |
65 | Coinbase Exchange | LINK-BTC | $24.09 0.0076423 Eth | $474,170.00 19,684.720 LINK | 0.1023% |
66 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.04 0.0076261 Eth | $468,971.00 19,920.386 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1035% |
67 | ProBit Global | LINK-BTC | $24.04 0.0076361 Eth | $441,305.00 18,356.026 LINK | 0.0954% |
68 | Coinbase Exchange | LINK-ETH | $24.07 0.0076462 Eth | $355,444.00 14,765.160 LINK | 0.0767% |
69 | ProBit Global | LINK-USDT | $24.00 0.0076245 Eth | $354,326.00 14,760.610 LINK | 0.0767% |
70 | BitDelta | LINK-USDT | $23.93 0.0076100 Eth | $336,730.00 14,444.000 LINK | 0.0751% |
71 | GMO Japan | LINK-JPY | $24.09 0.0076444 Eth | $304,226.00 12,626.700 LINK | 0.0656% |
72 | HashKey Exchange | LINK-USD | $24.03 0.0076238 Eth | $297,750.00 12,758.721 LINK | 0.0663% |
73 | BitMart | LINK-BTC | $24.13 0.0076548 Eth | $294,664.00 12,213.300 LINK | 0.0635% |
74 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.93 0.0075995 Eth | $285,090.00 12,230.639 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0636% |
75 | Hotcoin | LINK-BTC | $24.06 0.0076423 Eth | $234,883.00 9,761.410 LINK | 0.0507% |
76 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.96 0.0076088 Eth | $232,983.00 9,867.241 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0513% |
77 | Slex | LINK-ETH | $24.02 0.0076293 Eth | $226,816.00 9,627.740 LINK | 0.0500% |
78 | Bitso | LINK-USD | $23.92 0.0075962 Eth | $223,820.00 9,355.648 LINK | 0.0486% |
79 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.14 0.0076619 Eth | $214,207.00 9,107.001 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0473% |
80 | KuCoin | LINK-USDC | $24.12 0.0076562 Eth | $207,751.00 8,612.324 LINK | 0.0448% |
81 | PointPay | LINK-BTC | $24.10 0.0076453 Eth | $204,350.00 8,634.367 LINK | 0.0449% |
82 | BitStorage | LINK-ETH | $23.94 0.0076226 Eth | $204,110.00 8,524.810 LINK | 0.0443% |
83 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.87 0.0075804 Eth | $193,078.00 187,623.696 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.9750% |
84 | BYDFi | LINK-USDC | $23.92 0.0076126 Eth | $190,375.00 7,957.800 LINK | 0.0414% |
85 | CoinTR | LINK-TRY | $24.10 0.0076532 Eth | $175,711.00 7,540.880 LINK | 0.0392% |
86 | Binance | LINK-BRL | $23.81 0.0075787 Eth | $174,377.00 7,471.320 LINK | 0.0388% |
87 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.99 0.0076110 Eth | $173,226.00 168,646.301 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.8764% |
88 | Mercado Bitcoin | LINK-BRL | $23.82 0.0075577 Eth | $163,413.00 6,860.146 LINK | 0.0356% |
89 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.07 0.0076365 Eth | $161,259.00 6,834.431 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0355% |
90 | Bitkub | LINK-THB | $23.96 0.0076282 Eth | $139,357.00 5,815.544 LINK | 0.0302% |
91 | Kraken | LINK-GBP | $24.13 0.0076597 Eth | $138,945.00 5,757.360 LINK | 0.0299% |
92 | Binance US | LINK-USDT | $24.00 0.0076139 Eth | $110,254.00 4,594.336 LINK | 0.0239% |
93 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.87 0.0075804 Eth | $104,972.00 4,468.393 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0232% |
94 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.94 0.0075978 Eth | $101,859.00 4,354.930 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0226% |
95 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $24.27 0.0077060 Eth | $100,582.00 4,169.933 0X5947BB275C521040051D82396192181B413227A3 | 0.0217% |
96 | BitMart | LINK-ETH | $24.13 0.0076546 Eth | $92,972.00 3,853.600 LINK | 0.0200% |
97 | Hotcoin | LINK-ETH | $24.04 0.0076373 Eth | $68,406.00 2,845.240 LINK | 0.0148% |
98 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $24.06 0.0076329 Eth | $65,958.00 87.751 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0005% |
99 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.93 0.0076004 Eth | $62,492.00 2,676.212 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0139% |
100 | Dex-Trade | LINK-ETH | $23.96 0.0076335 Eth | $31,548.00 1,316.650 LINK | 0.0068% |
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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