ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
727,171 ( 0.007%)
Market
Price
$23.56 @ 0.007157 ETH (-1.25%)
Onchain Market Cap
$23,560,000,000.00
Circulating Supply Market Cap
$14,869,229,716.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
3,124.467789258708013588 LINKValue
$73,612.46 ( ~22.3612 Eth) [0.0003%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $23.58 0.0071535 Eth | $151,935,376.00 6,334,472.900 LINK | 22.6623% |
2 | Coinbase Exchange | LINK-USD | $23.48 0.0071364 Eth | $75,617,248.00 3,220,496.070 LINK | 11.5217% |
3 | Bybit | LINK-USDT | $23.51 0.0071449 Eth | $43,677,461.00 1,821,805.121 LINK | 6.5177% |
4 | Slex | LINK-USDT | $23.47 0.0071354 Eth | $24,389,373.00 1,018,450.520 LINK | 3.6436% |
5 | OKX | LINK-USDT | $23.52 0.0071480 Eth | $19,375,833.00 807,529.600 LINK | 2.8890% |
6 | DigiFinex | LINK-USDT | $23.51 0.0071451 Eth | $18,444,984.00 784,458.550 LINK | 2.8065% |
7 | HTX | LINK-USDT | $23.51 0.0071431 Eth | $18,192,286.00 759,542.914 LINK | 2.7174% |
8 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.48 0.0071359 Eth | $16,945,984.00 707,532.886 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.5313% |
9 | Gate.io | LINK-USDT | $23.51 0.0071436 Eth | $16,020,930.00 668,930.820 LINK | 2.3932% |
10 | XT.COM | LINK-USDT | $23.49 0.0071416 Eth | $14,988,490.00 624,979.520 LINK | 2.2359% |
11 | Azbit | LINK-USDT | $23.49 0.0071394 Eth | $14,852,718.00 619,012.601 LINK | 2.2146% |
12 | Binance | LINK-FDUSD | $23.52 0.0071449 Eth | $14,704,394.00 614,039.110 LINK | 2.1968% |
13 | Coinstore | LINK-USDT | $23.49 0.0071401 Eth | $13,212,544.00 551,118.480 LINK | 1.9717% |
14 | MEXC | LINK-USDT | $23.48 0.0071393 Eth | $13,190,641.00 561,683.190 LINK | 2.0095% |
15 | Bitunix | LINK-USDT | $23.52 0.0071459 Eth | $11,138,266.00 473,526.270 LINK | 1.6941% |
16 | CoinW | LINK-USDT | $23.51 0.0071452 Eth | $9,918,494.00 421,973.570 LINK | 1.5097% |
17 | Kraken | LINK-USD | $23.51 0.0071425 Eth | $8,922,887.00 379,608.942 LINK | 1.3581% |
18 | BTSE | LINK-USDT | $23.45 0.0071296 Eth | $8,537,951.00 364,036.308 LINK | 1.3024% |
19 | BYDFi | LINK-USDT | $23.51 0.0071437 Eth | $8,296,483.00 352,830.590 LINK | 1.2623% |
20 | KuCoin | LINK-USDT | $23.52 0.0071463 Eth | $8,265,557.00 351,479.233 LINK | 1.2575% |
21 | LATOKEN | LINK-USDT | $23.49 0.0071379 Eth | $7,493,700.00 318,984.401 LINK | 1.1412% |
22 | Binance | LINK-USDC | $23.60 0.0071604 Eth | $7,257,976.00 302,810.470 LINK | 1.0833% |
23 | LBank | LINK-USDT | $23.47 0.0071363 Eth | $7,251,182.00 308,900.820 LINK | 1.1051% |
24 | Hotcoin | LINK-USDT | $23.49 0.0071414 Eth | $6,144,260.00 261,525.120 LINK | 0.9356% |
25 | QMall | LINK-USDT | $23.50 0.0071427 Eth | $5,996,400.00 250,015.093 LINK | 0.8945% |
26 | Coinbase Exchange | LINK-USDT | $23.51 0.0071473 Eth | $5,349,414.00 227,523.740 LINK | 0.8140% |
27 | Coinbase Exchange | LINK-EUR | $23.44 0.0071219 Eth | $5,185,393.00 221,256.310 LINK | 0.7916% |
28 | Dex-Trade | LINK-USDT | $23.46 0.0071316 Eth | $4,633,160.00 197,455.910 LINK | 0.7064% |
29 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.47 0.0071341 Eth | $3,910,525.00 163,415.719 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5846% |
30 | Bitvavo | LINK-EUR | $23.45 0.0071300 Eth | $3,687,125.00 157,202.502 LINK | 0.5624% |
31 | FMCPAY | LINK-USDT | $23.49 0.0071406 Eth | $3,556,817.00 148,506.982 LINK | 0.5313% |
32 | CoinEx | LINK-USDT | $23.49 0.0071358 Eth | $2,947,795.00 123,302.060 LINK | 0.4411% |
33 | Coinbase Exchange | LINK-ETH | $23.53 0.0071533 Eth | $2,619,993.00 111,347.150 LINK | 0.3984% |
34 | Biconomy.com | LINK-USDT | $23.50 0.0071404 Eth | $2,493,115.00 103,978.470 LINK | 0.3720% |
35 | PointPay | LINK-USDT | $23.46 0.0071327 Eth | $2,191,978.00 91,417.236 LINK | 0.3271% |
36 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.59 0.0071730 Eth | $1,843,682.00 77,316.372 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2766% |
37 | FMCPAY | LINK-ETH | $23.56 0.0071503 Eth | $1,778,948.00 74,228.960 LINK | 0.2656% |
38 | Coinbase Exchange | LINK-GBP | $23.42 0.0071183 Eth | $1,747,893.00 74,618.580 LINK | 0.2670% |
39 | AscendEX (BitMax) | LINK-USDT | $23.64 0.0071822 Eth | $1,706,764.00 72,213.200 LINK | 0.2584% |
40 | Phemex | LINK-USDT | $23.49 0.0071416 Eth | $1,663,276.00 70,803.460 LINK | 0.2533% |
41 | FMCPAY | LINK-BTC | $23.48 0.0071372 Eth | $1,610,485.00 66,649.000 LINK | 0.2384% |
42 | Kraken | LINK-EUR | $23.43 0.0071182 Eth | $1,424,042.00 60,790.018 LINK | 0.2175% |
43 | EXMO | LINK-USDT | $23.54 0.0071573 Eth | $1,401,016.00 59,505.281 LINK | 0.2129% |
44 | Binance | LINK-ETH | $23.59 0.0071656 Eth | $1,216,363.00 50,658.430 LINK | 0.1812% |
45 | BitStorage | LINK-USDT | $23.48 0.0071393 Eth | $1,153,879.00 49,134.420 LINK | 0.1758% |
46 | Bitbank | LINK-JPY | $23.50 0.0071444 Eth | $1,137,054.00 48,381.279 LINK | 0.1731% |
47 | Tokpie | LINK-USDT | $23.44 0.0071163 Eth | $1,131,955.00 48,285.574 LINK | 0.1727% |
48 | tanX | LINK-USDC | $23.50 0.0071447 Eth | $1,129,304.00 47,094.990 LINK | 0.1685% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.52 0.0071501 Eth | $1,111,530.00 46,274.765 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1656% |
50 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.48 0.0071345 Eth | $1,023,772.00 1,046,253.806 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.7431% |
51 | Binance | LINK-TRY | $23.65 0.0071876 Eth | $990,732.00 41,019.990 LINK | 0.1468% |
52 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.47 0.0071341 Eth | $960,689.00 40,137.995 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1436% |
53 | Kraken | LINK-USDT | $23.49 0.0071407 Eth | $927,031.00 39,465.388 LINK | 0.1412% |
54 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.48 0.0071379 Eth | $890,491.00 64,327.720 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2301% |
55 | EarnBIT | LINK-USDT | $23.50 0.0071396 Eth | $888,230.00 37,042.365 LINK | 0.1325% |
56 | Trubit | LINK-USDT | $23.49 0.0071414 Eth | $873,400.00 36,505.920 LINK | 0.1306% |
57 | BigONE | LINK-USDT | $23.44 0.0071254 Eth | $836,572.00 35,690.790 LINK | 0.1277% |
58 | Binance | LINK-EUR | $23.46 0.0071172 Eth | $826,903.00 34,579.280 LINK | 0.1237% |
59 | Gemini | LINK-USD | $23.52 0.0071483 Eth | $787,822.00 33,490.820 LINK | 0.1198% |
60 | Bybit | LINK-USDC | $23.50 0.0071425 Eth | $787,696.00 32,902.361 LINK | 0.1177% |
61 | LATOKEN | LINK-BTC | $23.47 0.0071302 Eth | $768,726.00 32,754.103 LINK | 0.1172% |
62 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.52 0.0071501 Eth | $655,999.00 669,632.125 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3957% |
63 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.55 0.0071553 Eth | $632,153.00 26,346.879 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0943% |
64 | QMall | LINK-USDC | $23.51 0.0071434 Eth | $590,465.00 24,631.074 LINK | 0.0881% |
65 | itBit | LINK-USD | $23.48 0.0071376 Eth | $550,962.00 23,465.157 LINK | 0.0839% |
66 | Kraken | LINK-ETH | $23.51 0.0071428 Eth | $530,650.00 22,574.545 LINK | 0.0808% |
67 | GMO Japan | LINK-JPY | $23.49 0.0071408 Eth | $470,607.00 20,035.100 LINK | 0.0717% |
68 | Coinbase Exchange | LINK-BTC | $23.48 0.0071390 Eth | $421,083.00 17,930.410 LINK | 0.0641% |
69 | OKX | LINK-USDC | $23.51 0.0071441 Eth | $373,687.00 15,602.804 LINK | 0.0558% |
70 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.71 0.0072047 Eth | $355,879.00 14,858.917 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0532% |
71 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.48 0.0071374 Eth | $332,711.00 13,866.580 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0496% |
72 | BitDelta | LINK-USDT | $23.49 0.0071379 Eth | $330,197.00 13,787.000 LINK | 0.0493% |
73 | Slex | LINK-ETH | $23.48 0.0071387 Eth | $316,816.00 13,229.390 LINK | 0.0473% |
74 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.55 0.0071590 Eth | $312,181.00 13,028.277 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0466% |
75 | PointPay | LINK-BTC | $23.47 0.0071340 Eth | $299,948.00 12,447.201 LINK | 0.0445% |
76 | BitMart | LINK-BTC | $23.48 0.0071365 Eth | $283,113.00 12,059.720 LINK | 0.0431% |
77 | BitStorage | LINK-ETH | $23.48 0.0071387 Eth | $247,795.00 10,552.510 LINK | 0.0378% |
78 | Hotcoin | LINK-BTC | $23.51 0.0071423 Eth | $220,516.00 9,380.840 LINK | 0.0336% |
79 | Bitci TR | LINK-TRY | $23.57 0.0071641 Eth | $214,883.00 8,913.923 LINK | 0.0319% |
80 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.49 0.0071397 Eth | $199,173.00 8,325.869 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0298% |
81 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.49 0.0071427 Eth | $197,985.00 8,255.577 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0295% |
82 | Bitkub | LINK-THB | $23.55 0.0071573 Eth | $190,253.00 8,077.533 LINK | 0.0289% |
83 | BYDFi | LINK-USDC | $23.57 0.0071534 Eth | $183,575.00 7,789.480 LINK | 0.0279% |
84 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.58 0.0071664 Eth | $182,695.00 7,592.335 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0272% |
85 | Binance | LINK-BNB | $23.45 0.0071275 Eth | $174,117.00 7,210.424 LINK | 0.0258% |
86 | KuCoin | LINK-USDC | $23.61 0.0071741 Eth | $170,167.00 7,208.032 LINK | 0.0258% |
87 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.61 0.0071780 Eth | $162,659.00 6,703.820 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0240% |
88 | CoinEx | LINK-USDC | $23.68 0.0071942 Eth | $158,690.00 6,698.731 LINK | 0.0240% |
89 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.47 0.0071341 Eth | $145,852.00 149,056.928 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.5333% |
90 | Binance US | LINK-USDT | $23.48 0.0071393 Eth | $137,772.00 5,866.591 LINK | 0.0210% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.53 0.0071539 Eth | $127,196.00 5,331.115 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0191% |
92 | Kraken | LINK-GBP | $23.48 0.0071385 Eth | $126,261.00 5,376.772 LINK | 0.0192% |
93 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.54 0.0071544 Eth | $125,398.00 5,188.697 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0186% |
94 | Bitso | LINK-USD | $23.65 0.0071799 Eth | $101,448.00 4,289.156 LINK | 0.0153% |
95 | KuCoin | LINK-BTC | $23.50 0.0071410 Eth | $101,123.00 4,303.268 LINK | 0.0154% |
96 | Mercado Bitcoin | LINK-BRL | $23.50 0.0071418 Eth | $98,949.00 4,210.354 LINK | 0.0151% |
97 | BTCMarkets | LINK-AUD | $23.65 0.0071904 Eth | $96,512.00 4,080.255 LINK | 0.0146% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.49 0.0071400 Eth | $90,993.00 3,795.361 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0136% |
99 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.55 0.0071600 Eth | $73,313.00 3,060.094 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0109% |
100 | Dex-Trade | LINK-ETH | $23.56 0.0071483 Eth | $35,640.00 1,512.960 LINK | 0.0054% |
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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