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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
721,615 ( -0.006%)
Market
Price
$11.01 @ 0.004461 ETH (+1.06%)
Onchain Market Cap
$11,010,000,000.00
Circulating Supply Market Cap
$6,902,904,787.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
1,220.74556 LINKValue
$13,440.41 ( ~5.4458 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $11.00 0.0044551 Eth | $15,791,192.00 1,430,920.200 LINK | 13.0007% |
2 | Coinbase Exchange | LINK-USD | $11.01 0.0044602 Eth | $8,798,341.00 799,195.300 LINK | 7.2611% |
3 | Bitget | LINK-USDT | $11.00 0.0044587 Eth | $8,728,712.00 792,027.679 LINK | 7.1960% |
4 | HTX | LINK-USDT | $11.01 0.0044625 Eth | $7,842,614.00 711,845.746 LINK | 6.4675% |
5 | Websea | LINK-USDT | $11.01 0.0044640 Eth | $7,068,317.00 0.000 LINK | 0.0000% |
6 | Bybit | LINK-USDT | $11.01 0.0044626 Eth | $6,799,061.00 616,359.116 LINK | 5.6000% |
7 | WhiteBIT | LINK-USDT | $11.00 0.0044586 Eth | $4,912,429.00 446,384.950 LINK | 4.0557% |
8 | Azbit | LINK-USDT | $10.97 0.0044428 Eth | $4,812,807.00 436,503.960 LINK | 3.9659% |
9 | Poloniex | LINK-USDT | $11.07 0.0044817 Eth | $3,481,925.00 315,416.820 LINK | 2.8657% |
10 | P2B | LINK-USDT | $11.03 0.0044643 Eth | $3,317,225.00 300,861.550 LINK | 2.7335% |
11 | Biconomy.com | LINK-USDT | $11.00 0.0044607 Eth | $3,176,673.00 288,352.650 LINK | 2.6198% |
12 | BVOX | LINK-USDT | $11.02 0.0044614 Eth | $3,161,415.00 286,519.834 LINK | 2.6032% |
13 | WEEX | LINK-USDT | $11.01 0.0044608 Eth | $2,854,028.00 258,719.630 LINK | 2.3506% |
14 | Slex | LINK-USDT | $11.02 0.0044602 Eth | $2,743,471.00 248,648.300 LINK | 2.2591% |
15 | FameEX | LINK-USDT | $11.01 0.0044627 Eth | $2,265,178.00 205,924.021 LINK | 1.8709% |
16 | DigiFinex | LINK-USDT | $11.00 0.0044608 Eth | $1,945,318.00 176,813.670 LINK | 1.6064% |
17 | OKX | LINK-USDT | $11.00 0.0044595 Eth | $1,789,122.00 162,328.270 LINK | 1.4748% |
18 | BTSE | LINK-USDT | $11.01 0.0044591 Eth | $1,759,902.00 159,843.967 LINK | 1.4523% |
19 | KuCoin | LINK-USDT | $11.02 0.0044642 Eth | $1,727,128.00 156,698.419 LINK | 1.4237% |
20 | AscendEX (BitMax) | LINK-USDT | $11.02 0.0044679 Eth | $1,693,013.00 153,633.900 LINK | 1.3958% |
21 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.96 0.0044384 Eth | $1,633,747.00 147,586.255 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 1.3409% |
22 | Deepcoin | LINK-USDT | $11.00 0.0044579 Eth | $1,620,570.00 152,005.460 LINK | 1.3811% |
23 | XT.COM | LINK-USDT | $11.00 0.0044604 Eth | $1,420,809.00 128,805.120 LINK | 1.1703% |
24 | Upbit | LINK-KRW | $10.98 0.0044531 Eth | $1,376,722.00 125,346.770 LINK | 1.1388% |
25 | Toobit | LINK-USDT | $11.00 0.0044564 Eth | $1,335,332.00 121,059.140 LINK | 1.0999% |
26 | CoinW | LINK-USDT | $11.01 0.0044586 Eth | $1,324,767.00 120,326.670 LINK | 1.0932% |
27 | Trubit | LINK-USDT | $11.03 0.0044644 Eth | $1,306,924.00 118,339.050 LINK | 1.0752% |
28 | Binance | LINK-BTC | $11.01 0.0044629 Eth | $1,104,964.00 100,511.460 LINK | 0.9132% |
29 | C-Patex | LINK-USDT | $11.00 0.0044595 Eth | $1,029,344.00 93,586.236 LINK | 0.8503% |
30 | HashKey Global | LINK-USDT | $11.01 0.0044581 Eth | $996,033.00 90,993.673 LINK | 0.8267% |
31 | Oceanex | LINK-USDT | $11.01 0.0044614 Eth | $966,642.00 87,780.620 LINK | 0.7975% |
32 | Azbit | LINK-ETH | $11.01 0.0044612 Eth | $907,893.00 82,125.442 LINK | 0.7462% |
33 | Bitunix | LINK-USDT | $11.02 0.0044628 Eth | $905,036.00 82,150.760 LINK | 0.7464% |
34 | Gate.io | LINK-USDT | $11.01 0.0044632 Eth | $879,619.00 79,723.820 LINK | 0.7243% |
35 | Crypto.com Exchange | LINK-USDT | $11.02 0.0044663 Eth | $859,280.00 77,946.860 LINK | 0.7082% |
36 | FMCPAY | LINK-USDT | $11.00 0.0044616 Eth | $808,291.00 73,337.516 LINK | 0.6663% |
37 | BYDFi | LINK-USDT | $11.02 0.0044611 Eth | $786,705.00 71,401.440 LINK | 0.6487% |
38 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.98 0.0044521 Eth | $729,666.00 66,170.813 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.6012% |
39 | Hotcoin | LINK-USDT | $11.00 0.0044561 Eth | $692,536.00 62,946.480 LINK | 0.5719% |
40 | Niza Global | LINK-USD | $11.02 0.0044612 Eth | $687,278.00 62,286.502 LINK | 0.5659% |
41 | Kraken | LINK-USD | $11.02 0.0044664 Eth | $686,158.00 62,286.502 LINK | 0.5659% |
42 | QMall | LINK-USDT | $11.00 0.0044607 Eth | $666,340.00 60,389.958 LINK | 0.5487% |
43 | BloFin | LINK-USDT | $11.02 0.0044660 Eth | $631,888.00 57,338.750 LINK | 0.5210% |
44 | HitBTC | LINK-USDT | $11.00 0.0044602 Eth | $610,804.00 55,412.960 LINK | 0.5035% |
45 | FMFW.io | LINK-USDT | $11.00 0.0044602 Eth | $609,585.00 55,412.960 LINK | 0.5035% |
46 | tanX | LINK-USDC | $11.02 0.0044641 Eth | $478,418.00 43,365.810 LINK | 0.3940% |
47 | LATOKEN | LINK-USDT | $11.02 0.0044602 Eth | $472,983.00 42,936.966 LINK | 0.3901% |
48 | FMCPAY | LINK-BTC | $11.00 0.0044579 Eth | $446,699.00 40,652.500 LINK | 0.3694% |
49 | MEXC | LINK-USDT | $11.03 0.0044649 Eth | $438,205.00 39,740.140 LINK | 0.3611% |
50 | Bitvavo | LINK-EUR | $11.01 0.0044579 Eth | $430,755.00 39,123.384 LINK | 0.3555% |
51 | WhiteBIT | LINK-BTC | $11.02 0.0044628 Eth | $429,384.00 38,980.590 LINK | 0.3542% |
52 | BingX | LINK-USDT | $10.99 0.0044567 Eth | $402,854.00 36,535.780 LINK | 0.3319% |
53 | Crypto.com Exchange | LINK-USD | $11.02 0.0044659 Eth | $396,203.00 35,943.280 LINK | 0.3266% |
54 | FMCPAY | LINK-ETH | $11.00 0.0044603 Eth | $376,170.00 34,063.680 LINK | 0.3095% |
55 | CoinEx | LINK-USDT | $11.02 0.0044640 Eth | $350,425.00 31,699.833 LINK | 0.2880% |
56 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.01 0.0044570 Eth | $315,982.00 28,919.056 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2627% |
57 | Bithumb | LINK-KRW | $11.00 0.0044546 Eth | $312,379.00 28,402.925 LINK | 0.2581% |
58 | Bitstamp | LINK-USD | $11.01 0.0044640 Eth | $275,007.00 24,977.936 LINK | 0.2269% |
59 | PointPay | LINK-USDT | $11.02 0.0044602 Eth | $261,097.00 23,651.625 LINK | 0.2149% |
60 | LATOKEN | LINK-BTC | $11.03 0.0044647 Eth | $219,943.00 19,945.905 LINK | 0.1812% |
61 | BigONE | LINK-USDT | $11.00 0.0044567 Eth | $211,304.00 19,202.340 LINK | 0.1745% |
62 | EXMO | LINK-USDT | $11.00 0.0044575 Eth | $210,598.00 19,141.089 LINK | 0.1739% |
63 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.00 0.0044595 Eth | $206,543.00 18,697.696 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1699% |
64 | Pionex | LINK-USDT | $11.00 0.0044608 Eth | $200,490.00 18,173.330 LINK | 0.1651% |
65 | BitMart | LINK-BTC | $11.02 0.0044639 Eth | $181,686.00 16,484.040 LINK | 0.1498% |
66 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.94 0.0044324 Eth | $170,224.00 15,437.305 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1403% |
67 | Bybit | LINK-USDC | $11.01 0.0044622 Eth | $164,774.00 14,938.133 LINK | 0.1357% |
68 | Phemex | LINK-USDT | $11.00 0.0044568 Eth | $161,093.00 14,643.840 LINK | 0.1330% |
69 | Koinpark | LINK-USDT | $11.01 0.0044620 Eth | $147,821.00 13,431.909 LINK | 0.1220% |
70 | Nominex | LINK-USDT | $11.02 0.0044602 Eth | $133,016.00 12,075.093 LINK | 0.1097% |
71 | Hotcoin | LINK-ETH | $11.00 0.0044593 Eth | $120,931.00 10,995.220 LINK | 0.0999% |
72 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.01 0.0044650 Eth | $116,035.00 10,427.839 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0947% |
73 | BitDelta | LINK-USDT | $11.00 0.0044607 Eth | $107,738.00 9,780.000 LINK | 0.0889% |
74 | Hotcoin | LINK-BTC | $11.01 0.0044655 Eth | $100,299.00 9,106.630 LINK | 0.0827% |
75 | Slex | LINK-ETH | $11.01 0.0044565 Eth | $73,350.00 6,640.050 LINK | 0.0603% |
76 | Fairdesk | LINK-USDT | $11.02 0.0044622 Eth | $72,349.00 6,564.810 LINK | 0.0596% |
77 | Slex | LINK-BTC | $11.01 0.0044596 Eth | $67,441.00 6,129.000 LINK | 0.0557% |
78 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $11.02 0.0044651 Eth | $59,318.00 5,390.216 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0490% |
79 | Bitget | LINK-EUR | $11.01 0.0044622 Eth | $52,584.00 4,772.780 LINK | 0.0434% |
80 | Niza Global | LINK-USDT | $11.02 0.0044625 Eth | $45,307.00 4,105.846 LINK | 0.0373% |
81 | Bitso | LINK-USD | $11.00 0.0044547 Eth | $30,139.00 2,739.469 LINK | 0.0249% |
82 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.01 0.0044596 Eth | $24,559.00 24,570.952 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.2232% |
83 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.94 0.0044328 Eth | $22,309.00 22,435.401 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.2038% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $11.01 0.0044627 Eth | $16,678.89 1,504.446 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0137% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $11.02 0.0044623 Eth | $13,213.76 1,207.523 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0110% |
86 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $11.00 0.0044595 Eth | $12,403.98 12,412.678 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1128% |
87 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $11.01 0.0044657 Eth | $12,037.08 1,090.389 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0099% |
88 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $11.01 0.0044567 Eth | $11,875.22 1,072.082 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0097% |
89 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $10.94 0.0044301 Eth | $9,648.86 877.356 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0080% |
90 | TokoCrypto | LINK-USDT | $11.02 0.0044608 Eth | $9,391.07 852.353 LINK | 0.0077% |
91 | Coinone | LINK-KRW | $10.98 0.0044531 Eth | $8,656.90 788.187 LINK | 0.0072% |
92 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.94 0.0044324 Eth | $8,281.24 8,343.424 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0758% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $10.99 0.0044550 Eth | $3,342.87 304.589 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0028% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $11.00 0.0044548 Eth | $2,352.73 213.800 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0019% |
95 | CoinEx | LINK-BTC | $10.96 0.0044396 Eth | $1,931.22 175.590 LINK | 0.0016% |
96 | CoinEx | LINK-USDC | $10.98 0.0044488 Eth | $1,892.03 172.363 LINK | 0.0016% |
97 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.98 0.0044477 Eth | $1,722.08 156.862 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0014% |
98 | Coinzoom | LINK-USD | $11.02 0.0044626 Eth | $1,102.15 100.000 LINK | 0.0009% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991 | $10.95 0.0044416 Eth | $1,062.60 98.019 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
100 | CEX.IO | LINK-USDT | $11.03 0.0044648 Eth | $306.69 28.054 LINK | 0.0003% |
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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