ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
728,375 ( 0.000%)
Market
Price
$20.17 @ 0.006039 ETH (-3.63%)
Onchain Market Cap
$20,170,000,000.00
Circulating Supply Market Cap
$12,731,245,674.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
60 LINKValue
$1,210.20 ( ~0.362368935308885 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $20.16 0.0060472 Eth | $81,406,965.00 4,049,953.620 LINK | 22.3365% |
2 | Coinbase Exchange | LINK-USD | $20.18 0.0060445 Eth | $38,579,392.00 1,911,574.250 LINK | 10.5428% |
3 | Slex | LINK-USDT | $20.19 0.0060466 Eth | $20,669,848.00 1,028,700.960 LINK | 5.6735% |
4 | WhiteBIT | LINK-USDT | $20.16 0.0060513 Eth | $20,281,023.00 1,005,813.360 LINK | 5.5473% |
5 | Bitget | LINK-USDT | $20.21 0.0060538 Eth | $18,823,025.00 933,851.501 LINK | 5.1504% |
6 | Bybit | LINK-USDT | $20.18 0.0060465 Eth | $16,235,254.00 806,320.154 LINK | 4.4470% |
7 | CoinW | LINK-USDT | $20.20 0.0060515 Eth | $14,284,981.00 707,187.660 LINK | 3.9003% |
8 | OKX | LINK-USDT | $20.18 0.0060451 Eth | $10,590,148.00 526,629.701 LINK | 2.9045% |
9 | DigiFinex | LINK-USDT | $20.19 0.0060498 Eth | $10,189,195.00 504,558.710 LINK | 2.7828% |
10 | HTX | LINK-USDT | $20.19 0.0060479 Eth | $8,388,186.00 417,742.192 LINK | 2.3039% |
11 | XT.COM | LINK-USDT | $20.20 0.0060492 Eth | $8,087,708.00 402,532.620 LINK | 2.2201% |
12 | Azbit | LINK-USDT | $20.20 0.0060485 Eth | $8,059,517.00 401,077.133 LINK | 2.2120% |
13 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.14 0.0060327 Eth | $7,392,033.00 367,747.028 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.0282% |
14 | Coinstore | LINK-USDT | $20.17 0.0060405 Eth | $7,285,987.00 362,864.850 LINK | 2.0013% |
15 | Binance | LINK-FDUSD | $20.19 0.0060455 Eth | $6,821,829.00 339,082.630 LINK | 1.8701% |
16 | Bitunix | LINK-USDT | $20.18 0.0060451 Eth | $6,247,329.00 309,440.690 LINK | 1.7066% |
17 | Biconomy.com | LINK-USDT | $20.16 0.0060509 Eth | $5,186,793.00 258,173.559 LINK | 1.4239% |
18 | BYDFi | LINK-USDT | $20.14 0.0060394 Eth | $5,164,059.00 256,357.610 LINK | 1.4139% |
19 | BTSE | LINK-USDT | $20.20 0.0060505 Eth | $4,444,105.00 220,026.620 LINK | 1.2135% |
20 | LBank | LINK-USDT | $20.19 0.0060454 Eth | $4,032,399.00 199,743.040 LINK | 1.1016% |
21 | LATOKEN | LINK-USDT | $20.19 0.0060478 Eth | $3,913,251.00 193,846.349 LINK | 1.0691% |
22 | QMall | LINK-USDT | $20.14 0.0060420 Eth | $3,310,479.00 164,819.616 LINK | 0.9090% |
23 | KuCoin | LINK-USDT | $20.20 0.0060504 Eth | $3,143,520.00 155,638.010 LINK | 0.8584% |
24 | Kraken | LINK-USD | $20.20 0.0060524 Eth | $3,020,014.00 149,484.763 LINK | 0.8244% |
25 | Hotcoin | LINK-USDT | $20.17 0.0060526 Eth | $2,822,292.00 139,933.480 LINK | 0.7718% |
26 | Dex-Trade | LINK-USDT | $20.20 0.0060508 Eth | $2,517,907.00 124,658.300 LINK | 0.6875% |
27 | CoinEx | LINK-USDT | $20.13 0.0060458 Eth | $2,016,286.00 100,559.623 LINK | 0.5546% |
28 | Bitvavo | LINK-EUR | $20.16 0.0060446 Eth | $1,827,220.00 90,646.593 LINK | 0.4999% |
29 | Dcoin | LINK-USDT | $20.19 0.0060470 Eth | $1,823,008.00 90,285.000 LINK | 0.4979% |
30 | PointPay | LINK-USDT | $20.19 0.0060462 Eth | $1,348,517.00 67,124.818 LINK | 0.3702% |
31 | EXMO | LINK-USDT | $20.18 0.0060462 Eth | $1,116,538.00 55,320.693 LINK | 0.3051% |
32 | Bitbank | LINK-JPY | $20.30 0.0060798 Eth | $1,088,286.00 53,622.806 LINK | 0.2957% |
33 | Phemex | LINK-USDT | $20.15 0.0060414 Eth | $918,818.00 45,605.760 LINK | 0.2515% |
34 | Bitstamp | LINK-EUR | $20.20 0.0060525 Eth | $841,898.00 41,671.584 LINK | 0.2298% |
35 | tanX | LINK-USDC | $20.24 0.0060594 Eth | $801,979.00 39,861.750 LINK | 0.2198% |
36 | WhiteBIT | LINK-BTC | $20.15 0.0060460 Eth | $757,110.00 37,566.010 LINK | 0.2072% |
37 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.23 0.0060591 Eth | $725,935.00 36,047.310 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1988% |
38 | Bybit | LINK-USDC | $20.18 0.0060455 Eth | $708,851.00 35,226.301 LINK | 0.1943% |
39 | Binance | LINK-EUR | $20.17 0.0060536 Eth | $688,912.00 34,172.620 LINK | 0.1885% |
40 | Coinbase Exchange | LINK-EUR | $20.20 0.0060521 Eth | $659,341.00 32,635.510 LINK | 0.1800% |
41 | WhiteBIT | LINK-TRY | $20.28 0.0060770 Eth | $645,039.00 31,798.890 LINK | 0.1754% |
42 | Gemini | LINK-USD | $20.22 0.0060563 Eth | $591,915.00 29,279.859 LINK | 0.1615% |
43 | Binance | LINK-TRY | $20.26 0.0060810 Eth | $568,970.00 28,143.480 LINK | 0.1552% |
44 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $20.19 0.0060450 Eth | $560,652.00 41,802.108 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2305% |
45 | GMO Japan | LINK-JPY | $20.34 0.0060939 Eth | $557,017.00 27,382.400 LINK | 0.1510% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.20 0.0060518 Eth | $551,389.00 27,357.178 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1509% |
47 | Coinbase Exchange | LINK-USDT | $20.35 0.0060936 Eth | $546,957.00 26,877.247 LINK | 0.1482% |
48 | HashKey Exchange | LINK-USD | $20.17 0.0060397 Eth | $537,433.00 26,654.060 LINK | 0.1470% |
49 | EarnBIT | LINK-USDT | $20.18 0.0060449 Eth | $516,899.00 25,706.081 LINK | 0.1418% |
50 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.21 0.0060544 Eth | $516,074.00 25,537.959 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1408% |
51 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.21 0.0060530 Eth | $480,244.00 479,757.248 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.6460% |
52 | BigONE | LINK-USDT | $20.16 0.0060409 Eth | $434,940.00 21,577.460 LINK | 0.1190% |
53 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $20.14 0.0060311 Eth | $404,477.00 19,736.803 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.1089% |
54 | KuCoin | LINK-USDC | $20.17 0.0060427 Eth | $399,900.00 19,824.551 LINK | 0.1093% |
55 | QMall | LINK-USDC | $20.18 0.0060546 Eth | $390,754.00 19,420.623 LINK | 0.1071% |
56 | Kraken | LINK-ETH | $20.40 0.0061104 Eth | $386,771.00 18,962.775 LINK | 0.1046% |
57 | Bitbegin | LINK-USDT | $20.27 0.0060517 Eth | $384,630.00 19,099.976 LINK | 0.1053% |
58 | itBit | LINK-USD | $20.11 0.0060377 Eth | $359,111.00 17,857.322 LINK | 0.0985% |
59 | Slex | LINK-ETH | $20.17 0.0060428 Eth | $352,815.00 17,601.300 LINK | 0.0971% |
60 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $20.14 0.0060328 Eth | $339,531.00 16,834.678 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0928% |
61 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $20.28 0.0060761 Eth | $290,106.00 14,391.786 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0794% |
62 | WhiteBIT | LINK-EUR | $20.14 0.0060336 Eth | $285,261.00 14,163.880 LINK | 0.0781% |
63 | BitMart | LINK-BTC | $20.18 0.0060446 Eth | $276,459.00 13,698.940 LINK | 0.0756% |
64 | Coinbase Exchange | LINK-BTC | $20.20 0.0060503 Eth | $267,084.00 13,223.690 LINK | 0.0729% |
65 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $20.20 0.0060518 Eth | $266,935.00 266,304.043 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.4687% |
66 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.22 0.0060581 Eth | $256,770.00 12,784.293 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0705% |
67 | BitDelta | LINK-USDT | $20.13 0.0060378 Eth | $216,303.00 10,731.000 LINK | 0.0592% |
68 | Bitci TR | LINK-TRY | $20.17 0.0060395 Eth | $207,308.00 10,269.820 LINK | 0.0566% |
69 | Coinbase Exchange | LINK-GBP | $20.19 0.0060476 Eth | $204,380.00 10,123.750 LINK | 0.0558% |
70 | ProBit Global | LINK-USDT | $20.17 0.0060516 Eth | $180,256.00 8,938.916 LINK | 0.0493% |
71 | ProBit Global | LINK-BTC | $20.06 0.0060381 Eth | $136,330.00 6,795.861 LINK | 0.0375% |
72 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $20.21 0.0060536 Eth | $121,291.00 5,998.199 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0331% |
73 | BitMart | LINK-ETH | $20.18 0.0060466 Eth | $119,944.00 5,942.740 LINK | 0.0328% |
74 | LATOKEN | LINK-BTC | $20.17 0.0060520 Eth | $111,718.00 5,539.009 LINK | 0.0305% |
75 | BTCMarkets | LINK-AUD | $20.10 0.0060202 Eth | $109,460.00 5,445.524 LINK | 0.0300% |
76 | Coinbase Exchange | LINK-ETH | $20.22 0.0060576 Eth | $107,101.00 5,296.470 LINK | 0.0292% |
77 | OKX | LINK-USDC | $20.19 0.0060496 Eth | $102,982.00 5,121.721 LINK | 0.0282% |
78 | Hotcoin | LINK-BTC | $20.19 0.0060457 Eth | $101,008.00 5,002.840 LINK | 0.0276% |
79 | BYDFi | LINK-USDC | $20.12 0.0060349 Eth | $95,347.00 4,738.920 LINK | 0.0261% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $20.21 0.0060544 Eth | $94,713.00 4,701.039 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0259% |
81 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $20.25 0.0060669 Eth | $85,598.00 4,245.240 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0234% |
82 | Binance US | LINK-USDT | $20.06 0.0060413 Eth | $84,584.00 4,216.002 LINK | 0.0233% |
83 | Bitkub | LINK-THB | $20.10 0.0060332 Eth | $82,263.00 4,092.001 LINK | 0.0226% |
84 | Kraken | LINK-GBP | $20.16 0.0060383 Eth | $82,009.00 4,068.792 LINK | 0.0224% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $20.16 0.0060394 Eth | $70,026.00 3,491.000 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0193% |
86 | EXMO | LINK-BTC | $20.20 0.0060528 Eth | $69,838.00 3,456.491 LINK | 0.0191% |
87 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $20.05 0.0060046 Eth | $64,512.00 3,213.628 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0177% |
88 | Gemini | LINK-BTC | $20.28 0.0060752 Eth | $60,034.00 2,960.410 LINK | 0.0163% |
89 | Bitso | LINK-USD | $20.05 0.0060137 Eth | $58,232.00 2,904.157 LINK | 0.0160% |
90 | Mercado Bitcoin | LINK-BRL | $20.29 0.0060780 Eth | $52,464.00 2,585.745 LINK | 0.0143% |
91 | Hotcoin | LINK-ETH | $20.19 0.0060457 Eth | $36,706.00 1,818.000 LINK | 0.0100% |
92 | zondacrypto | LINK-PLN | $20.18 0.0060642 Eth | $29,915.00 1,482.338 LINK | 0.0082% |
93 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $20.14 0.0060334 Eth | $29,891.00 1,478.306 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0082% |
94 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $20.20 0.0060507 Eth | $25,161.00 1,255.235 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0069% |
95 | CoinEx | LINK-USDC | $20.11 0.0060336 Eth | $22,368.00 1,110.299 LINK | 0.0061% |
96 | zondacrypto | LINK-USDC | $20.36 0.0061046 Eth | $19,338.21 949.685 LINK | 0.0052% |
97 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $20.22 0.0060590 Eth | $18,028.73 18,077.520 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0997% |
98 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $20.14 0.0060324 Eth | $16,221.53 805.257 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0044% |
99 | Dex-Trade | LINK-ETH | $20.18 0.0060451 Eth | $13,669.57 677.400 LINK | 0.0037% |
100 | Ace | LINK-USDT | $20.08 0.0060448 Eth | $3,461.61 171.550 LINK | 0.0009% |
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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