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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,166 ( 0.008%)
Market
Price
$24.33 @ 0.007617 ETH (+4.80%)
Onchain Market Cap
$24,330,000,000.00
Circulating Supply Market Cap
$15,512,673,559.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
1.161354303317006815 LINKValue
$28.26 ( ~0.00884745020163251 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $24.38 0.0076305 Eth | $129,965,345.00 5,544,550.600 LINK | 21.5397% |
2 | Coinbase Exchange | LINK-USD | $24.37 0.0076267 Eth | $68,260,860.00 2,801,364.960 LINK | 10.8828% |
3 | Bybit | LINK-USDT | $24.35 0.0076226 Eth | $52,618,962.00 2,249,654.835 LINK | 8.7395% |
4 | OKX | LINK-USDT | $24.36 0.0076234 Eth | $27,213,474.00 1,175,383.284 LINK | 4.5662% |
5 | P2B | LINK-USDT | $24.38 0.0076298 Eth | $22,912,816.00 939,702.430 LINK | 3.6506% |
6 | DigiFinex | LINK-USDT | $24.37 0.0076289 Eth | $18,524,570.00 760,034.430 LINK | 2.9526% |
7 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.50 0.0076666 Eth | $18,448,332.00 770,049.352 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.9915% |
8 | Gate.io | LINK-USDT | $24.41 0.0076386 Eth | $17,752,496.00 757,710.300 LINK | 2.9436% |
9 | MEXC | LINK-USDT | $24.39 0.0076336 Eth | $15,166,181.00 621,799.350 LINK | 2.4156% |
10 | HTX | LINK-USDT | $24.37 0.0076276 Eth | $14,376,689.00 612,861.709 LINK | 2.3809% |
11 | XT.COM | LINK-USDT | $24.39 0.0076323 Eth | $12,887,197.00 549,698.540 LINK | 2.1355% |
12 | Azbit | LINK-USDT | $24.37 0.0076290 Eth | $12,663,624.00 540,498.166 LINK | 2.0997% |
13 | Binance | LINK-FDUSD | $24.27 0.0076229 Eth | $11,173,014.00 476,554.420 LINK | 1.8513% |
14 | Bitunix | LINK-USDT | $24.41 0.0076375 Eth | $11,046,208.00 452,665.480 LINK | 1.7585% |
15 | Coinstore | LINK-USDT | $24.37 0.0076354 Eth | $10,589,160.00 451,437.060 LINK | 1.7538% |
16 | Kraken | LINK-USD | $24.40 0.0076384 Eth | $10,463,916.00 428,769.071 LINK | 1.6657% |
17 | KuCoin | LINK-USDT | $24.38 0.0076310 Eth | $10,156,841.00 416,592.813 LINK | 1.6184% |
18 | CoinW | LINK-USDT | $24.36 0.0076240 Eth | $8,972,833.00 368,375.710 LINK | 1.4311% |
19 | BYDFi | LINK-USDT | $24.37 0.0076290 Eth | $7,567,334.00 310,506.250 LINK | 1.2063% |
20 | Coinbase Exchange | LINK-EUR | $24.38 0.0076301 Eth | $7,337,170.00 300,899.840 LINK | 1.1689% |
21 | Hotcoin | LINK-USDT | $24.39 0.0076309 Eth | $6,674,714.00 273,721.320 LINK | 1.0634% |
22 | BTSE | LINK-USDT | $24.37 0.0076273 Eth | $6,569,767.00 269,576.123 LINK | 1.0473% |
23 | LBank | LINK-USDT | $24.37 0.0076273 Eth | $6,569,674.00 269,571.570 LINK | 1.0472% |
24 | LATOKEN | LINK-USDT | $24.34 0.0076365 Eth | $6,401,944.00 262,994.627 LINK | 1.0217% |
25 | QMall | LINK-USDT | $24.37 0.0076290 Eth | $5,456,351.00 232,756.584 LINK | 0.9042% |
26 | Bitvavo | LINK-EUR | $24.34 0.0076257 Eth | $4,994,296.00 205,221.228 LINK | 0.7973% |
27 | Dex-Trade | LINK-USDT | $24.35 0.0076381 Eth | $3,988,248.00 163,777.760 LINK | 0.6362% |
28 | FMCPAY | LINK-USDT | $24.38 0.0076305 Eth | $3,806,735.00 162,260.890 LINK | 0.6304% |
29 | Biconomy.com | LINK-USDT | $24.28 0.0076214 Eth | $3,479,213.00 150,112.470 LINK | 0.5832% |
30 | CoinEx | LINK-USDT | $24.42 0.0076408 Eth | $2,590,625.00 110,907.788 LINK | 0.4309% |
31 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.22 0.0075806 Eth | $2,420,366.00 101,261.632 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3934% |
32 | PointPay | LINK-USDT | $24.32 0.0076376 Eth | $2,188,293.00 93,324.156 LINK | 0.3625% |
33 | Coinbase Exchange | LINK-GBP | $24.36 0.0076231 Eth | $2,162,579.00 88,769.630 LINK | 0.3449% |
34 | WhiteBIT | LINK-TRY | $24.35 0.0076273 Eth | $2,073,178.00 85,135.800 LINK | 0.3307% |
35 | Phemex | LINK-USDT | $24.36 0.0076244 Eth | $1,827,873.00 75,038.820 LINK | 0.2915% |
36 | FMCPAY | LINK-ETH | $24.40 0.0076367 Eth | $1,736,805.00 72,466.560 LINK | 0.2815% |
37 | FMCPAY | LINK-BTC | $24.38 0.0076299 Eth | $1,502,128.00 62,759.200 LINK | 0.2438% |
38 | Kraken | LINK-EUR | $24.38 0.0076295 Eth | $1,468,430.00 60,241.069 LINK | 0.2340% |
39 | OKX | LINK-USDC | $24.36 0.0076249 Eth | $1,348,385.00 57,946.236 LINK | 0.2251% |
40 | EarnBIT | LINK-USDT | $24.44 0.0076469 Eth | $1,328,294.00 57,286.375 LINK | 0.2225% |
41 | Tokpie | LINK-USDT | $24.40 0.0076671 Eth | $1,261,487.00 51,695.947 LINK | 0.2008% |
42 | Binance | LINK-TRY | $24.35 0.0076378 Eth | $1,228,609.00 52,493.230 LINK | 0.2039% |
43 | EXMO | LINK-USDT | $24.42 0.0076407 Eth | $1,217,813.00 49,871.990 LINK | 0.1937% |
44 | WhiteBIT | LINK-BTC | $24.43 0.0076448 Eth | $1,191,744.00 48,782.730 LINK | 0.1895% |
45 | Bitbank | LINK-JPY | $24.53 0.0076763 Eth | $1,122,047.00 45,750.314 LINK | 0.1777% |
46 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.40 0.0076355 Eth | $1,108,723.00 89,685.902 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3484% |
47 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.26 0.0075932 Eth | $1,087,668.00 45,474.012 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1767% |
48 | BigONE | LINK-USDT | $24.33 0.0076128 Eth | $1,075,232.00 44,198.480 LINK | 0.1717% |
49 | WhiteBIT | LINK-EUR | $24.38 0.0076365 Eth | $1,015,209.00 41,639.400 LINK | 0.1618% |
50 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.28 0.0075958 Eth | $1,011,017.00 42,475.380 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1650% |
51 | BitStorage | LINK-USDT | $24.27 0.0076185 Eth | $960,913.00 39,588.460 LINK | 0.1538% |
52 | Binance | LINK-EUR | $24.39 0.0076333 Eth | $959,527.00 41,005.650 LINK | 0.1593% |
53 | Trubit | LINK-USDT | $24.42 0.0076412 Eth | $895,408.00 38,182.970 LINK | 0.1483% |
54 | Coinbase Exchange | LINK-USDT | $24.37 0.0076273 Eth | $864,217.00 35,461.165 LINK | 0.1378% |
55 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.37 0.0076275 Eth | $854,313.00 36,611.614 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1422% |
56 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.35 0.0076188 Eth | $804,110.00 33,797.244 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1313% |
57 | QMall | LINK-USDC | $24.31 0.0076371 Eth | $803,046.00 34,162.363 LINK | 0.1327% |
58 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.26 0.0075932 Eth | $775,662.00 749,349.696 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.9111% |
59 | Gemini | LINK-USD | $24.41 0.0076407 Eth | $718,280.00 29,424.161 LINK | 0.1143% |
60 | Bybit | LINK-USDC | $24.36 0.0076255 Eth | $690,318.00 29,730.298 LINK | 0.1155% |
61 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.27 0.0075947 Eth | $617,678.00 25,681.261 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0998% |
62 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.35 0.0076211 Eth | $566,838.00 23,656.267 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0919% |
63 | itBit | LINK-USD | $24.37 0.0076257 Eth | $553,189.00 22,699.593 LINK | 0.0882% |
64 | LATOKEN | LINK-BTC | $24.39 0.0076342 Eth | $541,494.00 22,198.999 LINK | 0.0862% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.26 0.0075932 Eth | $533,189.00 22,757.531 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0884% |
66 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.13 0.0075522 Eth | $474,646.00 19,869.284 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0772% |
67 | Coinbase Exchange | LINK-BTC | $24.39 0.0076317 Eth | $463,330.00 18,996.830 LINK | 0.0738% |
68 | HashKey Exchange | LINK-USD | $24.35 0.0076189 Eth | $397,531.00 16,832.285 LINK | 0.0654% |
69 | Coinbase Exchange | LINK-ETH | $24.39 0.0076349 Eth | $395,868.00 16,230.890 LINK | 0.0631% |
70 | ProBit Global | LINK-USDT | $24.45 0.0076584 Eth | $378,015.00 15,463.104 LINK | 0.0601% |
71 | BitDelta | LINK-USDT | $24.31 0.0076344 Eth | $338,951.00 14,479.000 LINK | 0.0562% |
72 | GMO Japan | LINK-JPY | $24.39 0.0076398 Eth | $297,688.00 12,207.400 LINK | 0.0474% |
73 | BitMart | LINK-BTC | $24.40 0.0076364 Eth | $293,917.00 12,047.120 LINK | 0.0468% |
74 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.50 0.0076666 Eth | $293,715.00 12,458.711 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0484% |
75 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.35 0.0076213 Eth | $277,099.00 11,516.436 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0447% |
76 | Hotcoin | LINK-BTC | $24.37 0.0076292 Eth | $265,808.00 10,906.660 LINK | 0.0424% |
77 | Bitso | LINK-USD | $24.29 0.0076103 Eth | $232,479.00 9,570.287 LINK | 0.0372% |
78 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.36 0.0076429 Eth | $230,306.00 9,753.070 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0379% |
79 | Bitci TR | LINK-TRY | $24.20 0.0075734 Eth | $224,478.00 9,559.600 LINK | 0.0371% |
80 | Slex | LINK-ETH | $24.40 0.0076391 Eth | $219,965.00 9,153.870 LINK | 0.0356% |
81 | BitStorage | LINK-ETH | $24.42 0.0076409 Eth | $217,876.00 8,923.120 LINK | 0.0347% |
82 | BYDFi | LINK-USDC | $24.36 0.0076233 Eth | $210,932.00 8,658.630 LINK | 0.0336% |
83 | PointPay | LINK-BTC | $24.38 0.0076321 Eth | $210,657.00 8,822.992 LINK | 0.0343% |
84 | KuCoin | LINK-USDC | $24.40 0.0076363 Eth | $209,918.00 8,603.959 LINK | 0.0334% |
85 | Foxbit | LINK-BRL | $24.10 0.0075402 Eth | $194,208.00 8,323.066 LINK | 0.0323% |
86 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.22 0.0075806 Eth | $193,454.00 185,639.886 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.7212% |
87 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.36 0.0076222 Eth | $176,543.00 169,565.596 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.6587% |
88 | Binance | LINK-BRL | $24.08 0.0075648 Eth | $165,412.00 7,063.950 LINK | 0.0274% |
89 | Mercado Bitcoin | LINK-BRL | $24.04 0.0075234 Eth | $163,498.00 6,801.927 LINK | 0.0264% |
90 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.40 0.0076349 Eth | $158,181.00 6,611.247 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0257% |
91 | Bitkub | LINK-THB | $24.28 0.0076059 Eth | $150,845.00 6,213.258 LINK | 0.0241% |
92 | Kraken | LINK-GBP | $24.22 0.0075813 Eth | $135,266.00 5,584.463 LINK | 0.0217% |
93 | Binance US | LINK-USDT | $24.36 0.0076229 Eth | $115,610.00 4,745.509 LINK | 0.0184% |
94 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.50 0.0076666 Eth | $107,949.00 8,645.119 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0336% |
95 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.22 0.0075796 Eth | $106,197.00 4,460.107 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0173% |
96 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.28 0.0075983 Eth | $103,256.00 4,356.812 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0169% |
97 | BitMart | LINK-ETH | $24.41 0.0076418 Eth | $93,116.00 3,813.920 LINK | 0.0148% |
98 | Hotcoin | LINK-ETH | $24.29 0.0076322 Eth | $76,696.00 3,157.380 LINK | 0.0123% |
99 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $24.42 0.0076403 Eth | $68,511.00 89.990 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
100 | Dex-Trade | LINK-ETH | $24.43 0.0076445 Eth | $33,643.00 1,377.070 LINK | 0.0053% |
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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