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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,254 ( -0.006%)
Market
Price
$23.32 @ 0.006432 ETH (-1.54%)
Onchain Market Cap
$23,320,000,000.00
Circulating Supply Market Cap
$14,734,385,245.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.002475491979111703 LINKValue
$0.06 ( ~1.65480158826548E-05 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $23.40 0.0064667 Eth | $31,716,635.00 1,355,469.680 LINK | 8.7515% |
2 | Upbit | LINK-KRW | $23.62 0.0065251 Eth | $30,805,434.00 1,304,114.499 LINK | 8.4199% |
3 | Bitget | LINK-USDT | $23.38 0.0064575 Eth | $25,682,729.00 1,094,984.794 LINK | 7.0697% |
4 | Bybit | LINK-USDT | $23.39 0.0064619 Eth | $21,502,686.00 916,805.794 LINK | 5.9193% |
5 | WhiteBIT | LINK-USDT | $23.29 0.0064379 Eth | $21,489,852.00 922,514.990 LINK | 5.9562% |
6 | MEXC | LINK-USDT | $23.40 0.0064631 Eth | $19,403,149.00 829,294.750 LINK | 5.3543% |
7 | CoinW | LINK-USDT | $23.34 0.0064622 Eth | $18,914,009.00 810,283.030 LINK | 5.2315% |
8 | OKX | LINK-USDT | $23.38 0.0064575 Eth | $14,207,607.00 606,379.354 LINK | 3.9151% |
9 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.35 0.0064530 Eth | $13,365,537.00 568,729.377 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.6720% |
10 | DigiFinex | LINK-USDT | $23.36 0.0064517 Eth | $12,877,016.00 551,337.010 LINK | 3.5597% |
11 | XT.COM | LINK-USDT | $23.30 0.0064497 Eth | $10,311,604.00 440,278.370 LINK | 2.8426% |
12 | HTX | LINK-USDT | $23.35 0.0064513 Eth | $10,057,256.00 430,379.356 LINK | 2.7787% |
13 | Coinstore | LINK-USDT | $23.32 0.0064437 Eth | $9,171,121.00 391,535.910 LINK | 2.5279% |
14 | Binance | LINK-FDUSD | $23.41 0.0064764 Eth | $8,130,330.00 346,466.210 LINK | 2.2369% |
15 | Bitunix | LINK-USDT | $23.33 0.0064494 Eth | $7,839,685.00 336,131.470 LINK | 2.1702% |
16 | Azbit | LINK-USDT | $23.40 0.0064630 Eth | $7,041,933.00 299,677.136 LINK | 1.9348% |
17 | Biconomy.com | LINK-USDT | $23.35 0.0064531 Eth | $6,771,918.00 289,528.250 LINK | 1.8693% |
18 | BYDFi | LINK-USDT | $23.28 0.0064355 Eth | $6,617,002.00 284,279.490 LINK | 1.8354% |
19 | Bithumb | LINK-KRW | $23.57 0.0065119 Eth | $6,366,733.00 270,074.290 LINK | 1.7437% |
20 | Kraken | LINK-USD | $23.38 0.0064591 Eth | $5,856,075.00 250,444.580 LINK | 1.6170% |
21 | LATOKEN | LINK-USDT | $23.30 0.0064410 Eth | $5,013,311.00 215,196.870 LINK | 1.3894% |
22 | Dex-Trade | LINK-USDT | $23.34 0.0064492 Eth | $3,267,623.00 140,026.490 LINK | 0.9041% |
23 | Hotcoin | LINK-USDT | $23.22 0.0064313 Eth | $3,103,425.00 133,624.760 LINK | 0.8627% |
24 | CoinEx | LINK-USDT | $23.28 0.0064369 Eth | $3,057,917.00 130,348.479 LINK | 0.8416% |
25 | KuCoin | LINK-USDT | $23.36 0.0064510 Eth | $3,031,386.00 129,793.093 LINK | 0.8380% |
26 | BTSE | LINK-USDT | $23.28 0.0064436 Eth | $3,001,719.00 128,954.686 LINK | 0.8326% |
27 | Bitvavo | LINK-EUR | $23.47 0.0064882 Eth | $2,818,335.00 120,098.259 LINK | 0.7754% |
28 | ProBit Global | LINK-USDT | $23.34 0.0064611 Eth | $2,755,469.00 118,074.867 LINK | 0.7623% |
29 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.40 0.0064691 Eth | $2,059,741.00 87,452.171 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5646% |
30 | Coinbase Exchange | LINK-BTC | $23.34 0.0064529 Eth | $2,019,005.00 86,500.980 LINK | 0.5585% |
31 | Dcoin | LINK-USDT | $23.40 0.0064635 Eth | $1,846,467.00 78,920.000 LINK | 0.5095% |
32 | EXMO | LINK-USDT | $23.37 0.0064565 Eth | $1,458,516.00 62,405.515 LINK | 0.4029% |
33 | Bybit | LINK-USDC | $23.39 0.0064601 Eth | $1,319,285.00 56,076.139 LINK | 0.3621% |
34 | Bitstamp | LINK-USD | $23.28 0.0064307 Eth | $1,296,710.00 55,700.595 LINK | 0.3596% |
35 | Phemex | LINK-USDT | $23.36 0.0064661 Eth | $1,213,901.00 51,972.330 LINK | 0.3356% |
36 | tanX | LINK-USDC | $23.28 0.0064356 Eth | $1,195,196.00 51,050.900 LINK | 0.3296% |
37 | PointPay | LINK-USDT | $23.39 0.0064603 Eth | $1,148,886.00 49,212.548 LINK | 0.3177% |
38 | Bitstamp | LINK-EUR | $23.35 0.0064487 Eth | $980,599.00 42,004.237 LINK | 0.2712% |
39 | Coinbase Exchange | LINK-EUR | $23.42 0.0064718 Eth | $978,064.00 41,766.530 LINK | 0.2697% |
40 | Bitbank | LINK-JPY | $23.39 0.0064613 Eth | $892,443.00 38,154.120 LINK | 0.2463% |
41 | WhiteBIT | LINK-BTC | $23.29 0.0064373 Eth | $875,304.00 37,578.560 LINK | 0.2426% |
42 | BitStorage | LINK-USDT | $23.34 0.0064506 Eth | $841,923.00 36,070.780 LINK | 0.2329% |
43 | Trubit | LINK-USDT | $23.39 0.0064611 Eth | $835,343.00 35,749.980 LINK | 0.2308% |
44 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.40 0.0064676 Eth | $757,230.00 32,257.509 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2083% |
45 | WhiteBIT | LINK-TRY | $23.26 0.0064445 Eth | $701,267.00 30,143.340 LINK | 0.1946% |
46 | Coinbase Exchange | LINK-GBP | $23.39 0.0064649 Eth | $632,235.00 27,027.240 LINK | 0.1745% |
47 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $23.39 0.0064654 Eth | $619,565.00 41,009.568 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2648% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.41 0.0064703 Eth | $602,630.00 25,575.324 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1651% |
49 | EarnBIT | LINK-USDT | $23.29 0.0064479 Eth | $584,387.00 24,970.264 LINK | 0.1612% |
50 | itBit | LINK-USD | $23.37 0.0064556 Eth | $565,714.00 24,206.853 LINK | 0.1563% |
51 | Gemini | LINK-USD | $23.26 0.0064265 Eth | $535,079.00 22,999.586 LINK | 0.1485% |
52 | ProBit Global | LINK-BTC | $23.39 0.0064612 Eth | $500,922.00 21,417.576 LINK | 0.1383% |
53 | BigONE | LINK-USDT | $23.46 0.0064847 Eth | $471,256.00 20,083.930 LINK | 0.1297% |
54 | Binance | LINK-TRY | $23.37 0.0064679 Eth | $450,537.00 19,238.450 LINK | 0.1242% |
55 | Slex | LINK-ETH | $23.30 0.0064518 Eth | $425,186.00 18,153.620 LINK | 0.1172% |
56 | Bitbegin | LINK-USDT | $23.31 0.0064440 Eth | $424,312.00 18,132.430 LINK | 0.1171% |
57 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.28 0.0064354 Eth | $367,776.00 15,636.304 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1010% |
58 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.30 0.0064398 Eth | $366,397.00 367,836.443 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3749% |
59 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.25 0.0064251 Eth | $325,238.00 13,825.529 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0893% |
60 | Coinbase Exchange | LINK-ETH | $23.34 0.0064534 Eth | $306,789.00 13,142.770 LINK | 0.0849% |
61 | BitMart | LINK-BTC | $23.34 0.0064492 Eth | $286,838.00 12,291.880 LINK | 0.0794% |
62 | Coinbase Exchange | LINK-USDT | $23.39 0.0064607 Eth | $253,398.00 10,835.144 LINK | 0.0700% |
63 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.42 0.0064713 Eth | $247,737.00 247,935.534 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.6008% |
64 | OKX | LINK-USDC | $23.39 0.0064621 Eth | $243,605.00 10,390.529 LINK | 0.0671% |
65 | LATOKEN | LINK-BTC | $23.35 0.0064533 Eth | $242,699.00 10,393.818 LINK | 0.0671% |
66 | Bitci TR | LINK-TRY | $23.28 0.0064363 Eth | $240,399.00 10,306.540 LINK | 0.0665% |
67 | Binance | LINK-BRL | $23.40 0.0064747 Eth | $239,449.00 10,175.150 LINK | 0.0657% |
68 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.40 0.0064691 Eth | $230,718.00 9,794.471 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0632% |
69 | Coinone | LINK-KRW | $23.51 0.0064931 Eth | $223,121.00 9,492.171 LINK | 0.0613% |
70 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.39 0.0064654 Eth | $212,937.00 9,010.907 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0582% |
71 | BitDelta | LINK-USDT | $23.23 0.0064398 Eth | $212,743.00 9,094.000 LINK | 0.0587% |
72 | Binance US | LINK-USDT | $23.33 0.0064698 Eth | $183,657.00 7,873.097 LINK | 0.0508% |
73 | CoinEx | LINK-USDC | $23.27 0.0064496 Eth | $163,829.00 7,101.208 LINK | 0.0458% |
74 | Bitkub | LINK-THB | $23.08 0.0063763 Eth | $163,564.00 7,085.930 LINK | 0.0457% |
75 | Bitso | LINK-USD | $23.27 0.0064427 Eth | $157,922.00 6,786.488 LINK | 0.0438% |
76 | Bitexen | LINK-TRY | $23.15 0.0063944 Eth | $152,389.00 6,583.085 LINK | 0.0425% |
77 | BitStorage | LINK-ETH | $23.30 0.0064424 Eth | $149,754.00 6,426.830 LINK | 0.0415% |
78 | PointPay | LINK-BTC | $23.38 0.0064580 Eth | $148,018.00 6,367.392 LINK | 0.0411% |
79 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.30 0.0064388 Eth | $133,356.00 5,684.388 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0367% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.33 0.0064485 Eth | $123,681.00 5,255.725 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0339% |
81 | BTCMarkets | LINK-AUD | $23.13 0.0063940 Eth | $112,336.00 4,857.308 LINK | 0.0314% |
82 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.22 0.0064132 Eth | $106,910.00 4,552.615 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0294% |
83 | EXMO | LINK-BTC | $23.38 0.0064593 Eth | $106,364.00 4,549.062 LINK | 0.0294% |
84 | Hotcoin | LINK-BTC | $23.27 0.0064337 Eth | $105,454.00 4,531.580 LINK | 0.0293% |
85 | BitMart | LINK-ETH | $23.33 0.0064480 Eth | $95,210.00 4,080.780 LINK | 0.0263% |
86 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.40 0.0064691 Eth | $75,806.00 75,913.812 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4901% |
87 | Mercado Bitcoin | LINK-BRL | $23.51 0.0064955 Eth | $64,616.00 2,747.966 LINK | 0.0177% |
88 | Nonkyc.io | LINK-BTC | $23.45 0.0064845 Eth | $52,797.00 2,267.120 LINK | 0.0146% |
89 | CoinEx | LINK-BTC | $23.31 0.0064460 Eth | $52,195.00 2,226.244 LINK | 0.0144% |
90 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.39 0.0064656 Eth | $45,864.00 1,959.297 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0127% |
91 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.35 0.0064530 Eth | $44,126.00 1,875.698 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0121% |
92 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.24 0.0064261 Eth | $38,656.00 50.120 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.32 0.0064463 Eth | $37,036.00 1,974.292 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0127% |
94 | Hotcoin | LINK-ETH | $23.27 0.0064348 Eth | $36,765.00 1,579.620 LINK | 0.0102% |
95 | Korbit | LINK-KRW | $23.46 0.0064818 Eth | $35,221.00 1,494.788 LINK | 0.0097% |
96 | Bitlo | LINK-USDT | $23.19 0.0064307 Eth | $27,759.00 1,188.369 LINK | 0.0077% |
97 | Gemini | LINK-BTC | $23.17 0.0063994 Eth | $21,387.00 923.164 LINK | 0.0060% |
98 | Dex-Trade | LINK-ETH | $23.27 0.0064361 Eth | $18,292.18 786.130 LINK | 0.0051% |
99 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.39 0.0064654 Eth | $16,077.99 684.544 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0044% |
100 | Ace | LINK-USDT | $23.35 0.0064490 Eth | $4,080.43 174.180 LINK | 0.0011% |
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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