ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
727,438 ( 0.009%)
Market
Price
$23.17 @ 0.006880 ETH (-6.32%)
Onchain Market Cap
$23,170,000,000.00
Circulating Supply Market Cap
$14,627,019,177.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.082608492469743575 LINKValue
$1.91 ( ~0.000567138774814052 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | LINK-USDT | $22.96 0.0068296 Eth | $30,447,064.00 1,251,569.656 LINK | 9.8670% |
2 | Coinbase Exchange | LINK-USD | $23.01 0.0068294 Eth | $29,685,728.00 1,290,235.040 LINK | 10.1718% |
3 | Slex | LINK-USDT | $22.91 0.0068151 Eth | $24,654,513.00 1,012,595.790 LINK | 7.9830% |
4 | P2B | LINK-USDT | $22.95 0.0068259 Eth | $21,557,699.00 939,271.310 LINK | 7.4049% |
5 | OKX | LINK-USDT | $22.97 0.0068303 Eth | $18,268,282.00 751,540.510 LINK | 5.9249% |
6 | DigiFinex | LINK-USDT | $22.91 0.0068154 Eth | $13,418,293.00 585,615.660 LINK | 4.6168% |
7 | HTX | LINK-USDT | $22.92 0.0068157 Eth | $11,278,311.00 463,680.382 LINK | 3.6555% |
8 | XT.COM | LINK-USDT | $22.96 0.0068129 Eth | $10,884,644.00 446,222.570 LINK | 3.5179% |
9 | Azbit | LINK-USDT | $23.00 0.0068320 Eth | $10,826,582.00 444,142.664 LINK | 3.5015% |
10 | BTSE | LINK-USDT | $22.94 0.0068089 Eth | $10,088,834.00 439,772.226 LINK | 3.4670% |
11 | Coinstore | LINK-USDT | $23.35 0.0068591 Eth | $9,370,510.00 383,643.060 LINK | 3.0245% |
12 | Bithumb | LINK-KRW | $23.43 0.0069699 Eth | $8,269,244.00 352,893.452 LINK | 2.7821% |
13 | Binance | LINK-FDUSD | $23.15 0.0068263 Eth | $8,099,282.00 332,572.970 LINK | 2.6219% |
14 | Biconomy.com | LINK-USDT | $23.35 0.0068600 Eth | $6,977,981.00 286,490.320 LINK | 2.2586% |
15 | BYDFi | LINK-USDT | $23.04 0.0068377 Eth | $6,388,525.00 277,264.970 LINK | 2.1859% |
16 | Kraken | LINK-USD | $22.92 0.0068162 Eth | $5,669,912.00 247,390.649 LINK | 1.9503% |
17 | LATOKEN | LINK-USDT | $23.23 0.0068508 Eth | $5,121,528.00 220,477.474 LINK | 1.7382% |
18 | LBank | LINK-USDT | $22.94 0.0068087 Eth | $4,369,588.00 190,462.650 LINK | 1.5015% |
19 | Hotcoin | LINK-USDT | $23.17 0.0068440 Eth | $4,303,078.00 185,701.810 LINK | 1.4640% |
20 | KuCoin | LINK-USDT | $22.89 0.0068086 Eth | $4,235,079.00 185,016.228 LINK | 1.4586% |
21 | Dex-Trade | LINK-USDT | $23.16 0.0068353 Eth | $3,442,287.00 148,623.360 LINK | 1.1717% |
22 | Dcoin | LINK-USDT | $23.37 0.0068644 Eth | $2,463,277.00 105,409.000 LINK | 0.8310% |
23 | Coinbase Exchange | LINK-GBP | $22.97 0.0068147 Eth | $2,384,500.00 103,823.720 LINK | 0.8185% |
24 | Bitvavo | LINK-EUR | $22.89 0.0068082 Eth | $2,205,186.00 96,342.204 LINK | 0.7595% |
25 | CoinEx | LINK-USDT | $23.19 0.0068263 Eth | $1,790,954.00 73,464.314 LINK | 0.5792% |
26 | PointPay | LINK-USDT | $23.06 0.0068326 Eth | $1,743,881.00 71,515.736 LINK | 0.5638% |
27 | EXMO | LINK-USDT | $22.99 0.0068220 Eth | $1,735,537.00 75,506.817 LINK | 0.5953% |
28 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.13 0.0068636 Eth | $1,389,219.00 58,314.621 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4597% |
29 | WhiteBIT | LINK-TRY | $22.97 0.0068186 Eth | $1,281,798.00 55,794.170 LINK | 0.4399% |
30 | WhiteBIT | LINK-BTC | $23.23 0.0068510 Eth | $1,168,964.00 50,321.470 LINK | 0.3967% |
31 | tanX | LINK-USDC | $22.95 0.0068182 Eth | $1,130,387.00 46,374.220 LINK | 0.3656% |
32 | Phemex | LINK-USDT | $23.07 0.0068466 Eth | $1,088,004.00 47,158.540 LINK | 0.3718% |
33 | Coinbase Exchange | LINK-EUR | $22.91 0.0068067 Eth | $993,124.00 43,349.140 LINK | 0.3418% |
34 | Bitbank | LINK-JPY | $23.03 0.0068420 Eth | $907,381.00 39,401.934 LINK | 0.3106% |
35 | Trubit | LINK-USDT | $23.09 0.0068415 Eth | $882,400.00 36,328.520 LINK | 0.2864% |
36 | Bitstamp | LINK-EUR | $22.97 0.0068330 Eth | $840,571.00 36,590.696 LINK | 0.2885% |
37 | BitStorage | LINK-USDT | $23.15 0.0068324 Eth | $817,292.00 35,302.450 LINK | 0.2783% |
38 | EarnBIT | LINK-USDT | $22.89 0.0067835 Eth | $798,751.00 33,128.481 LINK | 0.2612% |
39 | Bitstamp | LINK-USD | $22.95 0.0068264 Eth | $761,109.00 33,163.812 LINK | 0.2615% |
40 | Bybit | LINK-USDC | $22.96 0.0068275 Eth | $686,179.00 28,231.685 LINK | 0.2226% |
41 | BigONE | LINK-USDT | $23.41 0.0068765 Eth | $672,879.00 28,743.070 LINK | 0.2266% |
42 | Coinbase Exchange | LINK-USDT | $23.01 0.0068288 Eth | $669,212.00 29,081.957 LINK | 0.2293% |
43 | Azbit | LINK-ETH | $23.12 0.0068513 Eth | $658,155.00 27,791.863 LINK | 0.2191% |
44 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.33 0.0069327 Eth | $620,585.00 25,581.890 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.2017% |
45 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.07 0.0068443 Eth | $572,387.00 24,054.539 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1896% |
46 | itBit | LINK-USD | $23.07 0.0068351 Eth | $493,817.00 21,405.137 LINK | 0.1688% |
47 | HashKey Exchange | LINK-USD | $23.05 0.0068403 Eth | $491,765.00 20,164.780 LINK | 0.1590% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.04 0.0068362 Eth | $487,255.00 21,041.562 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1659% |
49 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $23.13 0.0068634 Eth | $468,894.00 19,863.636 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1566% |
50 | WhiteBIT | LINK-EUR | $23.15 0.0068346 Eth | $434,405.00 18,768.350 LINK | 0.1480% |
51 | Slex | LINK-ETH | $22.98 0.0068213 Eth | $415,719.00 17,574.270 LINK | 0.1385% |
52 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $23.13 0.0068636 Eth | $402,481.00 16,436.060 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1296% |
53 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $22.95 0.0068258 Eth | $368,340.00 15,463.828 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1219% |
54 | Coinbase Exchange | LINK-ETH | $23.02 0.0068321 Eth | $350,514.00 15,228.360 LINK | 0.1201% |
55 | BitMart | LINK-BTC | $22.92 0.0068154 Eth | $338,765.00 14,782.680 LINK | 0.1165% |
56 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $23.07 0.0068443 Eth | $325,358.00 345,179.468 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.7213% |
57 | GMO Japan | LINK-JPY | $23.26 0.0068580 Eth | $315,190.00 13,551.900 LINK | 0.1068% |
58 | Gemini | LINK-USD | $22.93 0.0068204 Eth | $309,068.00 13,478.670 LINK | 0.1063% |
59 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $23.13 0.0068636 Eth | $289,992.00 311,670.862 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 2.4571% |
60 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.02 0.0068261 Eth | $286,604.00 11,717.290 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0924% |
61 | BitDelta | LINK-USDT | $23.02 0.0068318 Eth | $281,258.00 11,535.000 LINK | 0.0909% |
62 | KuCoin | LINK-USDC | $22.95 0.0068250 Eth | $275,547.00 12,008.715 LINK | 0.0947% |
63 | Coinbase Exchange | LINK-BTC | $22.96 0.0068289 Eth | $266,931.00 11,625.080 LINK | 0.0916% |
64 | LATOKEN | LINK-BTC | $22.99 0.0068246 Eth | $251,598.00 10,941.791 LINK | 0.0863% |
65 | Bitci TR | LINK-TRY | $23.07 0.0068611 Eth | $245,904.00 10,055.770 LINK | 0.0793% |
66 | OKX | LINK-USDC | $22.94 0.0068218 Eth | $245,365.00 10,090.776 LINK | 0.0796% |
67 | BitStorage | LINK-ETH | $23.13 0.0068521 Eth | $186,265.00 8,053.840 LINK | 0.0635% |
68 | PointPay | LINK-BTC | $23.17 0.0068366 Eth | $183,855.00 7,744.842 LINK | 0.0611% |
69 | Binance US | LINK-USDT | $23.05 0.0068498 Eth | $180,890.00 7,846.062 LINK | 0.0619% |
70 | BitMart | LINK-ETH | $22.92 0.0068180 Eth | $169,442.00 7,391.160 LINK | 0.0583% |
71 | Hotcoin | LINK-BTC | $22.96 0.0068283 Eth | $148,824.00 6,481.980 LINK | 0.0511% |
72 | Bitkub | LINK-THB | $22.99 0.0068370 Eth | $144,398.00 6,281.226 LINK | 0.0495% |
73 | Kanga | LINK-PLN | $23.15 0.0068791 Eth | $142,933.00 0.000 LINK | 0.0000% |
74 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $23.28 0.0069172 Eth | $129,412.00 5,356.490 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0422% |
75 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $23.04 0.0068378 Eth | $117,999.00 4,980.303 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0393% |
76 | BTCMarkets | LINK-AUD | $22.98 0.0068358 Eth | $115,224.00 5,013.028 LINK | 0.0395% |
77 | Kraken | LINK-GBP | $23.00 0.0068406 Eth | $95,364.00 4,146.070 LINK | 0.0327% |
78 | Bitso | LINK-USD | $23.28 0.0068461 Eth | $92,751.00 3,984.958 LINK | 0.0314% |
79 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $23.07 0.0068443 Eth | $81,847.00 3,513.474 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0277% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $23.07 0.0068443 Eth | $81,096.00 3,318.481 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0262% |
81 | KuCoin | LINK-BTC | $22.92 0.0068163 Eth | $76,501.00 3,338.299 LINK | 0.0263% |
82 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $23.32 0.0069221 Eth | $65,702.00 2,763.308 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0218% |
83 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.33 0.0069379 Eth | $59,185.00 2,441.277 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0192% |
84 | Korbit | LINK-KRW | $23.51 0.0069942 Eth | $52,862.00 2,122.787 LINK | 0.0167% |
85 | Bitexen | LINK-TRY | $23.05 0.0067830 Eth | $52,056.00 2,258.344 LINK | 0.0178% |
86 | Coins.ph | LINK-PHP | $23.08 0.0068574 Eth | $51,929.00 2,123.153 LINK | 0.0167% |
87 | Hotcoin | LINK-ETH | $23.24 0.0068353 Eth | $49,264.00 2,119.660 LINK | 0.0167% |
88 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $23.14 0.0068675 Eth | $41,868.00 1,748.103 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0138% |
89 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $23.25 0.0069150 Eth | $41,612.00 1,755.324 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0138% |
90 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $23.70 0.0070408 Eth | $29,321.00 1,202.189 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0095% |
91 | Bitstamp | LINK-BTC | $22.97 0.0068323 Eth | $27,819.00 1,211.085 LINK | 0.0095% |
92 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $23.16 0.0068885 Eth | $27,200.00 37.317 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
93 | zondacrypto | LINK-PLN | $23.12 0.0068760 Eth | $20,354.00 880.380 LINK | 0.0069% |
94 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $23.13 0.0068804 Eth | $17,044.99 738.311 0X5947BB275C521040051D82396192181B413227A3 | 0.0058% |
95 | HTX | LINK-BTC | $22.92 0.0068152 Eth | $16,257.18 678.520 LINK | 0.0053% |
96 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $23.29 0.0069187 Eth | $15,878.27 671.806 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0053% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $23.04 0.0068366 Eth | $14,412.26 601.536 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0047% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $23.07 0.0068620 Eth | $12,461.93 508.079 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0040% |
99 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $23.33 0.0069406 Eth | $9,859.29 406.432 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0032% |
100 | Ace | LINK-USDT | $23.00 0.0068334 Eth | $4,220.80 173.070 LINK | 0.0014% |
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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