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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
731,876 ( -0.045%)
Market
Price
$24.25 @ 0.007535 ETH (+3.57%)
Onchain Market Cap
$24,250,000,000.00
Circulating Supply Market Cap
$15,472,834,701.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
570.8 LINKValue
$13,841.90 ( ~4.3009 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $24.28 0.0075449 Eth | $70,988,089.00 2,924,088.190 LINK | 13.8267% |
2 | Bybit | LINK-USDT | $24.30 0.0075538 Eth | $54,031,028.00 2,292,757.557 LINK | 10.8414% |
3 | OKX | LINK-USDT | $24.26 0.0075417 Eth | $27,946,380.00 1,201,901.106 LINK | 5.6833% |
4 | P2B | LINK-USDT | $24.27 0.0075542 Eth | $24,108,611.00 993,523.900 LINK | 4.6979% |
5 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.26 0.0075491 Eth | $19,526,874.00 808,260.199 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.8219% |
6 | DigiFinex | LINK-USDT | $24.27 0.0075426 Eth | $19,154,001.00 789,324.190 LINK | 3.7324% |
7 | Gate.io | LINK-USDT | $24.30 0.0075552 Eth | $17,620,624.00 747,211.080 LINK | 3.5332% |
8 | MEXC | LINK-USDT | $24.29 0.0075513 Eth | $15,346,598.00 631,691.820 LINK | 2.9870% |
9 | HTX | LINK-USDT | $24.28 0.0075462 Eth | $14,960,171.00 630,021.120 LINK | 2.9791% |
10 | XT.COM | LINK-USDT | $24.28 0.0075529 Eth | $13,564,753.00 574,461.300 LINK | 2.7164% |
11 | Azbit | LINK-USDT | $24.24 0.0075416 Eth | $13,228,563.00 560,368.935 LINK | 2.6497% |
12 | Binance | LINK-FDUSD | $24.34 0.0075658 Eth | $11,897,367.00 502,403.410 LINK | 2.3756% |
13 | Bitunix | LINK-USDT | $24.25 0.0075483 Eth | $11,404,755.00 470,155.940 LINK | 2.2232% |
14 | Coinstore | LINK-USDT | $24.37 0.0075761 Eth | $11,093,027.00 469,320.920 LINK | 2.2192% |
15 | Binance | LINK-USDC | $24.29 0.0075560 Eth | $10,687,719.00 451,867.540 LINK | 2.1367% |
16 | KuCoin | LINK-USDT | $24.31 0.0075563 Eth | $10,592,391.00 435,793.436 LINK | 2.0607% |
17 | Kraken | LINK-USD | $24.27 0.0075465 Eth | $10,361,961.00 426,868.375 LINK | 2.0185% |
18 | CoinW | LINK-USDT | $24.27 0.0075567 Eth | $9,297,761.00 383,022.590 LINK | 1.8111% |
19 | BYDFi | LINK-USDT | $24.28 0.0075560 Eth | $7,875,172.00 324,383.040 LINK | 1.5339% |
20 | Coinbase Exchange | LINK-EUR | $24.28 0.0075555 Eth | $7,601,517.00 313,122.560 LINK | 1.4806% |
21 | BTSE | LINK-USDT | $24.28 0.0075555 Eth | $6,869,104.00 282,948.059 LINK | 1.3379% |
22 | LBank | LINK-USDT | $24.28 0.0075529 Eth | $6,847,406.00 282,055.010 LINK | 1.3337% |
23 | LATOKEN | LINK-USDT | $24.28 0.0075464 Eth | $6,726,631.00 277,059.792 LINK | 1.3101% |
24 | QMall | LINK-USDT | $24.27 0.0075552 Eth | $5,683,903.00 240,618.556 LINK | 1.1378% |
25 | Bitvavo | LINK-EUR | $24.26 0.0075503 Eth | $5,409,351.00 222,985.021 LINK | 1.0544% |
26 | WhiteBIT | LINK-USDT | $24.28 0.0075524 Eth | $4,717,093.00 194,317.800 LINK | 0.9188% |
27 | Dex-Trade | LINK-USDT | $24.24 0.0075434 Eth | $4,171,140.00 172,100.460 LINK | 0.8138% |
28 | FMCPAY | LINK-USDT | $24.24 0.0075422 Eth | $3,825,972.00 161,526.502 LINK | 0.7638% |
29 | Biconomy.com | LINK-USDT | $24.28 0.0075534 Eth | $3,562,775.00 152,702.950 LINK | 0.7221% |
30 | CoinEx | LINK-USDT | $24.25 0.0075475 Eth | $2,692,124.00 114,434.510 LINK | 0.5411% |
31 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.23 0.0075374 Eth | $2,511,242.00 104,251.936 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4930% |
32 | Coinbase Exchange | LINK-GBP | $24.27 0.0075536 Eth | $2,303,088.00 94,893.350 LINK | 0.4487% |
33 | PointPay | LINK-USDT | $24.28 0.0075561 Eth | $2,283,857.00 96,678.650 LINK | 0.4572% |
34 | Phemex | LINK-USDT | $24.29 0.0075495 Eth | $1,983,887.00 81,679.680 LINK | 0.3862% |
35 | WhiteBIT | LINK-TRY | $24.28 0.0075531 Eth | $1,842,956.00 75,912.060 LINK | 0.3590% |
36 | FMCPAY | LINK-ETH | $24.26 0.0075492 Eth | $1,773,828.00 73,125.600 LINK | 0.3458% |
37 | FMCPAY | LINK-BTC | $24.24 0.0075433 Eth | $1,509,223.00 62,933.600 LINK | 0.2976% |
38 | Kraken | LINK-EUR | $24.30 0.0075534 Eth | $1,456,679.00 59,954.240 LINK | 0.2835% |
39 | EarnBIT | LINK-USDT | $24.26 0.0075467 Eth | $1,368,157.00 58,940.758 LINK | 0.2787% |
40 | OKX | LINK-USDC | $24.25 0.0075362 Eth | $1,337,474.00 57,284.090 LINK | 0.2709% |
41 | Binance | LINK-ETH | $24.27 0.0075502 Eth | $1,326,036.00 54,876.970 LINK | 0.2595% |
42 | Tokpie | LINK-USDT | $24.47 0.0076138 Eth | $1,299,625.00 53,113.623 LINK | 0.2512% |
43 | EXMO | LINK-USDT | $24.30 0.0075604 Eth | $1,274,012.00 52,426.243 LINK | 0.2479% |
44 | Binance | LINK-TRY | $24.24 0.0075330 Eth | $1,233,046.00 52,296.580 LINK | 0.2473% |
45 | Bitbank | LINK-JPY | $24.32 0.0075692 Eth | $1,225,301.00 50,381.544 LINK | 0.2382% |
46 | tanX | LINK-USDC | $24.29 0.0075576 Eth | $1,186,668.00 49,939.840 LINK | 0.2361% |
47 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.24 0.0075320 Eth | $1,095,195.00 45,276.911 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2141% |
48 | WhiteBIT | LINK-BTC | $24.26 0.0075548 Eth | $1,079,405.00 44,502.300 LINK | 0.2104% |
49 | BitStorage | LINK-USDT | $24.26 0.0075497 Eth | $1,001,125.00 41,270.600 LINK | 0.1952% |
50 | WhiteBIT | LINK-EUR | $24.25 0.0075456 Eth | $953,045.00 39,308.480 LINK | 0.1859% |
51 | Binance | LINK-EUR | $24.24 0.0075345 Eth | $932,886.00 39,780.050 LINK | 0.1881% |
52 | Coinbase Exchange | LINK-USDT | $24.28 0.0075564 Eth | $909,150.00 37,447.732 LINK | 0.1771% |
53 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.22 0.0075382 Eth | $906,130.00 74,291.571 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.3513% |
54 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.25 0.0075437 Eth | $878,123.00 37,460.626 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1771% |
55 | Trubit | LINK-USDT | $24.22 0.0075358 Eth | $865,956.00 36,559.430 LINK | 0.1729% |
56 | QMall | LINK-USDC | $24.26 0.0075511 Eth | $834,341.00 35,244.469 LINK | 0.1667% |
57 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.27 0.0075423 Eth | $783,077.00 32,433.512 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1534% |
58 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.24 0.0075343 Eth | $773,600.00 751,944.149 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.5556% |
59 | Bybit | LINK-USDC | $24.31 0.0075546 Eth | $769,738.00 32,884.789 LINK | 0.1555% |
60 | Gemini | LINK-USD | $24.28 0.0075476 Eth | $747,262.00 30,773.867 LINK | 0.1455% |
61 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.26 0.0075424 Eth | $680,369.00 27,931.129 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1321% |
62 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.24 0.0075322 Eth | $566,915.00 23,403.217 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1107% |
63 | itBit | LINK-USD | $24.27 0.0075517 Eth | $559,488.00 23,052.669 LINK | 0.1090% |
64 | LATOKEN | LINK-BTC | $24.27 0.0075526 Eth | $557,343.00 22,966.928 LINK | 0.1086% |
65 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.24 0.0075319 Eth | $517,285.00 21,979.186 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1039% |
66 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.26 0.0075418 Eth | $495,767.00 20,594.565 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0974% |
67 | Coinbase Exchange | LINK-BTC | $24.28 0.0075488 Eth | $463,375.00 19,083.130 LINK | 0.0902% |
68 | Coinbase Exchange | LINK-ETH | $24.24 0.0075428 Eth | $446,131.00 18,408.160 LINK | 0.0870% |
69 | ProBit Global | LINK-USDT | $24.29 0.0075606 Eth | $362,216.00 14,913.872 LINK | 0.0705% |
70 | HashKey Exchange | LINK-USD | $24.29 0.0075557 Eth | $354,324.00 14,856.207 LINK | 0.0702% |
71 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.22 0.0075382 Eth | $305,534.00 13,021.156 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0616% |
72 | Slex | LINK-ETH | $24.27 0.0075532 Eth | $301,584.00 12,402.170 LINK | 0.0586% |
73 | BitMart | LINK-BTC | $24.28 0.0075523 Eth | $287,689.00 11,850.680 LINK | 0.0560% |
74 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.27 0.0075428 Eth | $281,321.00 11,590.578 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0548% |
75 | bitcastle | LINK-USDT | $24.30 0.0075544 Eth | $269,314.00 11,394.470 LINK | 0.0539% |
76 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.21 0.0075352 Eth | $256,203.00 10,791.164 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0510% |
77 | Hotcoin | LINK-BTC | $24.26 0.0075497 Eth | $255,670.00 10,540.030 LINK | 0.0498% |
78 | Bitso | LINK-USD | $24.23 0.0075406 Eth | $243,132.00 10,034.942 LINK | 0.0475% |
79 | BitStorage | LINK-ETH | $24.25 0.0075371 Eth | $242,437.00 9,996.490 LINK | 0.0473% |
80 | Bitci TR | LINK-TRY | $24.37 0.0075856 Eth | $227,603.00 9,560.543 LINK | 0.0452% |
81 | PointPay | LINK-BTC | $24.27 0.0075530 Eth | $215,877.00 9,041.924 LINK | 0.0428% |
82 | KuCoin | LINK-USDC | $24.25 0.0075380 Eth | $212,772.00 8,775.159 LINK | 0.0415% |
83 | BYDFi | LINK-USDC | $24.25 0.0075417 Eth | $204,872.00 8,449.430 LINK | 0.0400% |
84 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.23 0.0075374 Eth | $195,808.00 188,698.109 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.8923% |
85 | Mercado Bitcoin | LINK-BRL | $24.13 0.0075071 Eth | $189,903.00 7,871.055 LINK | 0.0372% |
86 | Kraken | LINK-GBP | $24.25 0.0075373 Eth | $175,539.00 7,238.934 LINK | 0.0342% |
87 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.27 0.0075449 Eth | $168,753.00 163,232.545 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.7719% |
88 | Bitkub | LINK-THB | $24.42 0.0075915 Eth | $160,255.00 6,562.666 LINK | 0.0310% |
89 | CoinTR | LINK-TRY | $24.26 0.0075391 Eth | $159,039.00 6,710.310 LINK | 0.0317% |
90 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $24.29 0.0075514 Eth | $117,479.00 4,793.294 0X5947BB275C521040051D82396192181B413227A3 | 0.0227% |
91 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.23 0.0075374 Eth | $115,422.00 4,841.560 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0229% |
92 | BitMart | LINK-ETH | $24.26 0.0075475 Eth | $95,586.00 3,940.680 LINK | 0.0186% |
93 | Binance US | LINK-USDT | $24.24 0.0075421 Eth | $90,477.00 3,732.848 LINK | 0.0177% |
94 | CoinEx | LINK-BTC | $24.22 0.0075369 Eth | $88,881.00 3,788.643 LINK | 0.0179% |
95 | Hotcoin | LINK-ETH | $24.23 0.0075415 Eth | $75,556.00 3,118.190 LINK | 0.0147% |
96 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $24.44 0.0075947 Eth | $66,891.00 2,720.530 0X5947BB275C521040051D82396192181B413227A3 | 0.0129% |
97 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $24.25 0.0075468 Eth | $65,100.00 2,769.494 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0131% |
98 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $24.33 0.0075623 Eth | $63,755.00 84.307 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0004% |
99 | Nonkyc.io | LINK-BTC | $24.36 0.0075813 Eth | $63,081.00 2,625.325 LINK | 0.0124% |
100 | Dex-Trade | LINK-ETH | $24.21 0.0075343 Eth | $38,547.00 1,592.360 LINK | 0.0075% |
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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