ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
728,990 ( 0.019%)
Market
Price
$21.41 @ 0.006362 ETH (-0.23%)
Onchain Market Cap
$21,410,000,000.00
Circulating Supply Market Cap
$13,522,352,176.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.1132244465594106 LINKValue
$2.42 ( ~0.000719123799618809 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $21.36 0.0063446 Eth | $71,306,896.00 3,280,517.510 LINK | 20.5548% |
2 | Coinbase Exchange | LINK-USD | $21.38 0.0063485 Eth | $32,956,801.00 1,541,333.870 LINK | 9.6576% |
3 | Slex | LINK-USDT | $21.31 0.0063424 Eth | $22,582,228.00 1,039,526.410 LINK | 6.5134% |
4 | Bybit | LINK-USDT | $21.37 0.0063483 Eth | $19,873,324.00 914,687.380 LINK | 5.7312% |
5 | WhiteBIT | LINK-USDT | $21.41 0.0063571 Eth | $19,171,204.00 895,340.340 LINK | 5.6099% |
6 | P2B | LINK-USDT | $21.33 0.0063470 Eth | $14,797,746.00 693,789.540 LINK | 4.3471% |
7 | CoinW | LINK-USDT | $21.25 0.0063370 Eth | $12,302,063.00 578,788.240 LINK | 3.6265% |
8 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $21.32 0.0063337 Eth | $12,077,417.00 558,470.719 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.4992% |
9 | OKX | LINK-USDT | $21.32 0.0063336 Eth | $10,899,681.00 501,514.894 LINK | 3.1423% |
10 | DigiFinex | LINK-USDT | $21.36 0.0063439 Eth | $8,899,995.00 416,739.600 LINK | 2.6112% |
11 | HTX | LINK-USDT | $21.37 0.0063487 Eth | $7,694,420.00 354,436.121 LINK | 2.2208% |
12 | Azbit | LINK-USDT | $21.37 0.0063476 Eth | $7,104,877.00 326,867.513 LINK | 2.0481% |
13 | XT.COM | LINK-USDT | $21.36 0.0063478 Eth | $7,098,051.00 326,468.270 LINK | 2.0456% |
14 | Bithumb | LINK-KRW | $21.65 0.0064329 Eth | $6,542,399.00 302,167.727 LINK | 1.8933% |
15 | Bitstamp | LINK-EUR | $21.31 0.0063292 Eth | $6,529,072.00 306,433.572 LINK | 1.9200% |
16 | Coinstore | LINK-USDT | $21.45 0.0063605 Eth | $6,378,553.00 293,407.190 LINK | 1.8384% |
17 | Bitunix | LINK-USDT | $21.38 0.0063482 Eth | $5,655,716.00 264,355.550 LINK | 1.6564% |
18 | Binance | LINK-FDUSD | $21.34 0.0063402 Eth | $5,642,647.00 259,676.700 LINK | 1.6271% |
19 | Biconomy.com | LINK-USDT | $21.36 0.0063445 Eth | $5,456,897.00 251,199.143 LINK | 1.5739% |
20 | Coinbase Exchange | LINK-GBP | $21.39 0.0063511 Eth | $4,592,462.00 214,692.070 LINK | 1.3452% |
21 | BYDFi | LINK-USDT | $21.34 0.0063398 Eth | $4,570,412.00 214,147.530 LINK | 1.3418% |
22 | BTSE | LINK-USDT | $21.38 0.0063470 Eth | $4,272,368.00 199,873.502 LINK | 1.2524% |
23 | LBank | LINK-USDT | $21.43 0.0063552 Eth | $3,684,544.00 171,961.630 LINK | 1.0775% |
24 | LATOKEN | LINK-USDT | $21.28 0.0063446 Eth | $3,525,118.00 165,628.424 LINK | 1.0378% |
25 | KuCoin | LINK-USDT | $21.36 0.0063438 Eth | $2,896,717.00 135,641.079 LINK | 0.8499% |
26 | Bitvavo | LINK-EUR | $21.34 0.0063416 Eth | $2,770,651.00 129,814.630 LINK | 0.8134% |
27 | QMall | LINK-USDT | $21.39 0.0063523 Eth | $2,705,815.00 124,346.328 LINK | 0.7791% |
28 | Dex-Trade | LINK-USDT | $21.25 0.0063327 Eth | $2,357,589.00 110,923.335 LINK | 0.6950% |
29 | Hotcoin | LINK-USDT | $21.40 0.0063526 Eth | $2,019,845.00 94,403.800 LINK | 0.5915% |
30 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $21.35 0.0063430 Eth | $1,906,800.00 88,063.615 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5518% |
31 | CoinEx | LINK-USDT | $21.36 0.0063462 Eth | $1,712,209.00 78,691.898 LINK | 0.4931% |
32 | Dcoin | LINK-USDT | $21.27 0.0063381 Eth | $1,705,577.00 80,200.000 LINK | 0.5025% |
33 | PointPay | LINK-USDT | $21.36 0.0063478 Eth | $1,172,462.00 53,910.423 LINK | 0.3378% |
34 | Bybit | LINK-USDC | $21.38 0.0063501 Eth | $1,159,867.00 53,284.436 LINK | 0.3339% |
35 | Coinbase Exchange | LINK-EUR | $21.37 0.0063447 Eth | $1,082,437.00 50,654.110 LINK | 0.3174% |
36 | EXMO | LINK-USDT | $21.38 0.0063513 Eth | $1,078,404.00 50,449.629 LINK | 0.3161% |
37 | Trubit | LINK-USDT | $21.30 0.0063388 Eth | $876,162.00 40,375.800 LINK | 0.2530% |
38 | Phemex | LINK-USDT | $21.37 0.0063463 Eth | $839,351.00 39,283.220 LINK | 0.2461% |
39 | tanX | LINK-USDC | $21.43 0.0063617 Eth | $773,325.00 35,488.570 LINK | 0.2224% |
40 | WhiteBIT | LINK-BTC | $21.30 0.0063405 Eth | $708,233.00 33,244.030 LINK | 0.2083% |
41 | Bitbank | LINK-JPY | $21.30 0.0063261 Eth | $638,815.00 29,990.244 LINK | 0.1879% |
42 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $21.45 0.0063714 Eth | $623,512.00 28,647.919 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1795% |
43 | WhiteBIT | LINK-TRY | $21.56 0.0064020 Eth | $589,250.00 27,334.630 LINK | 0.1713% |
44 | Binance | LINK-TRY | $21.39 0.0063736 Eth | $540,441.00 24,706.320 LINK | 0.1548% |
45 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $21.37 0.0063473 Eth | $491,872.00 23,011.919 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1442% |
46 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $21.36 0.0063478 Eth | $392,801.00 18,147.745 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1137% |
47 | Binance | LINK-EUR | $21.22 0.0063210 Eth | $379,085.00 17,445.240 LINK | 0.1093% |
48 | Bitbegin | LINK-USDT | $21.29 0.0063487 Eth | $355,476.00 16,364.960 LINK | 0.1025% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $21.39 0.0063541 Eth | $346,042.00 16,140.105 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1011% |
50 | BigONE | LINK-USDT | $21.45 0.0063679 Eth | $330,284.00 15,400.910 LINK | 0.0965% |
51 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $21.32 0.0063337 Eth | $313,145.00 23,819.445 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1492% |
52 | BitMart | LINK-BTC | $21.36 0.0063475 Eth | $299,593.00 14,023.940 LINK | 0.0879% |
53 | HashKey Exchange | LINK-USD | $21.46 0.0063699 Eth | $298,444.00 13,794.611 LINK | 0.0864% |
54 | QMall | LINK-USDC | $21.38 0.0063519 Eth | $251,447.00 11,583.565 LINK | 0.0726% |
55 | Gemini | LINK-USD | $21.38 0.0063511 Eth | $248,820.00 11,637.747 LINK | 0.0729% |
56 | Bitci TR | LINK-TRY | $21.30 0.0063256 Eth | $222,570.00 10,188.091 LINK | 0.0638% |
57 | WhiteBIT | LINK-EUR | $21.32 0.0063323 Eth | $221,861.00 10,407.670 LINK | 0.0652% |
58 | Coinbase Exchange | LINK-ETH | $21.41 0.0063595 Eth | $221,409.00 10,340.870 LINK | 0.0648% |
59 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $21.44 0.0063693 Eth | $218,758.00 10,059.022 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0630% |
60 | BitDelta | LINK-USDT | $21.36 0.0063478 Eth | $204,703.00 9,425.000 LINK | 0.0591% |
61 | KuCoin | LINK-USDC | $21.39 0.0063554 Eth | $182,387.00 8,524.801 LINK | 0.0534% |
62 | Coinbase Exchange | LINK-BTC | $21.37 0.0063475 Eth | $178,949.00 8,372.700 LINK | 0.0525% |
63 | GMO Japan | LINK-JPY | $21.42 0.0063652 Eth | $178,501.00 8,332.400 LINK | 0.0522% |
64 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $21.43 0.0063662 Eth | $171,447.00 174,019.530 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.0904% |
65 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $21.40 0.0063585 Eth | $169,807.00 7,861.612 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0493% |
66 | Coinone | LINK-KRW | $21.69 0.0064417 Eth | $158,938.00 7,329.242 LINK | 0.0459% |
67 | LATOKEN | LINK-BTC | $21.37 0.0063700 Eth | $148,470.00 6,948.095 LINK | 0.0435% |
68 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $21.40 0.0063558 Eth | $147,978.00 6,602.267 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0414% |
69 | BitMart | LINK-ETH | $21.36 0.0063480 Eth | $135,315.00 6,333.540 LINK | 0.0397% |
70 | BitStorage | LINK-ETH | $21.40 0.0063587 Eth | $132,762.00 6,203.640 LINK | 0.0389% |
71 | OKX | LINK-USDC | $21.31 0.0063313 Eth | $122,150.00 5,616.735 LINK | 0.0352% |
72 | PointPay | LINK-BTC | $21.32 0.0063452 Eth | $110,388.00 5,109.739 LINK | 0.0320% |
73 | Kraken | LINK-GBP | $21.30 0.0063262 Eth | $104,828.00 4,922.273 LINK | 0.0308% |
74 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $21.46 0.0063752 Eth | $88,005.00 4,066.214 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0255% |
75 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $21.40 0.0063584 Eth | $84,536.00 3,891.288 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0244% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $21.38 0.0063485 Eth | $80,016.00 3,700.035 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0232% |
77 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $21.32 0.0063334 Eth | $72,411.00 3,375.306 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0211% |
78 | Bitso | LINK-USD | $21.30 0.0063415 Eth | $71,212.00 3,342.522 LINK | 0.0209% |
79 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $21.41 0.0063624 Eth | $67,631.00 3,130.052 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0196% |
80 | Hotcoin | LINK-BTC | $21.29 0.0063450 Eth | $64,639.00 3,036.270 LINK | 0.0190% |
81 | Binance US | LINK-USDT | $21.37 0.0063440 Eth | $59,710.00 2,794.727 LINK | 0.0175% |
82 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $21.15 0.0062852 Eth | $55,055.00 2,589.192 0X5947BB275C521040051D82396192181B413227A3 | 0.0162% |
83 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $21.26 0.0063161 Eth | $54,587.00 2,565.978 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0161% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $21.45 0.0063714 Eth | $50,200.00 2,310.266 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0145% |
85 | Mercado Bitcoin | LINK-BRL | $21.47 0.0063774 Eth | $43,940.00 2,047.002 LINK | 0.0128% |
86 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $21.35 0.0063430 Eth | $41,058.00 41,956.751 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.2629% |
87 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $21.38 0.0063485 Eth | $40,208.00 2,173.235 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0136% |
88 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $21.38 0.0063534 Eth | $33,088.00 1,562.715 0X5947BB275C521040051D82396192181B413227A3 | 0.0098% |
89 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $21.32 0.0063337 Eth | $32,308.00 1,465.757 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0092% |
90 | Hotcoin | LINK-ETH | $21.28 0.0063396 Eth | $21,661.00 1,017.720 LINK | 0.0064% |
91 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $21.34 0.0063398 Eth | $20,968.00 986.635 0X5947BB275C521040051D82396192181B413227A3 | 0.0062% |
92 | Korbit | LINK-KRW | $21.57 0.0064075 Eth | $19,017.35 861.598 LINK | 0.0054% |
93 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $21.45 0.0063688 Eth | $16,197.61 743.549 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0047% |
94 | HTX | LINK-BTC | $21.44 0.0063674 Eth | $14,213.83 652.280 LINK | 0.0041% |
95 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $21.34 0.0063377 Eth | $13,923.31 643.318 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0040% |
96 | CoinEx | LINK-USDC | $21.38 0.0063522 Eth | $13,338.28 619.268 LINK | 0.0039% |
97 | KuCoin | LINK-KCS | $21.34 0.0063409 Eth | $8,618.96 403.836 LINK | 0.0025% |
98 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $21.35 0.0063423 Eth | $8,607.38 11.231 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0001% |
99 | Bitexen | LINK-TRY | $21.29 0.0063368 Eth | $7,599.05 356.993 LINK | 0.0022% |
100 | Ace | LINK-USDT | $21.38 0.0063502 Eth | $2,700.37 124.200 LINK | 0.0008% |
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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