ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
727,203 ( 0.015%)
Market
Price
$24.48 @ 0.007056 ETH (-1.25%)
Onchain Market Cap
$24,480,000,000.00
Circulating Supply Market Cap
$15,439,898,446.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
480.394711520000028672 LINKValue
$11,760.06 ( ~3.3894 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $24.44 0.0070507 Eth | $162,127,298.00 6,485,395.690 LINK | 25.5040% |
2 | Coinbase Exchange | LINK-USD | $24.47 0.0070570 Eth | $43,069,692.00 1,759,814.180 LINK | 6.9205% |
3 | Bybit | LINK-USDT | $24.46 0.0070523 Eth | $38,080,773.00 1,521,916.332 LINK | 5.9850% |
4 | P2B | LINK-USDT | $24.47 0.0070540 Eth | $33,073,906.00 1,351,694.830 LINK | 5.3156% |
5 | CoinW | LINK-USDT | $24.45 0.0070501 Eth | $29,212,870.00 1,194,684.110 LINK | 4.6981% |
6 | Slex | LINK-USDT | $24.48 0.0070566 Eth | $25,548,945.00 1,025,972.730 LINK | 4.0347% |
7 | OKX | LINK-USDT | $24.45 0.0070488 Eth | $25,538,511.00 1,021,010.437 LINK | 4.0151% |
8 | DigiFinex | LINK-USDT | $24.46 0.0070519 Eth | $20,387,725.00 833,543.030 LINK | 3.2779% |
9 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.56 0.0070800 Eth | $18,271,150.00 730,081.605 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.8711% |
10 | XT.COM | LINK-USDT | $24.47 0.0070542 Eth | $17,737,293.00 709,030.330 LINK | 2.7883% |
11 | FameEX | LINK-USDT | $24.47 0.0070545 Eth | $16,119,220.00 644,810.355 LINK | 2.5357% |
12 | Azbit | LINK-USDT | $24.52 0.0070562 Eth | $16,034,348.00 641,518.240 LINK | 2.5228% |
13 | Coinstore | LINK-USDT | $24.49 0.0070600 Eth | $13,839,961.00 554,178.800 LINK | 2.1793% |
14 | Bitunix | LINK-USDT | $24.46 0.0070528 Eth | $12,574,239.00 514,141.320 LINK | 2.0219% |
15 | HTX | LINK-USDT | $24.46 0.0070512 Eth | $12,011,840.00 482,341.937 LINK | 1.8968% |
16 | Binance | LINK-FDUSD | $24.41 0.0070391 Eth | $9,666,385.00 387,337.970 LINK | 1.5232% |
17 | BYDFi | LINK-USDT | $24.46 0.0070519 Eth | $9,364,920.00 382,927.430 LINK | 1.5059% |
18 | Biconomy.com | LINK-USDT | $24.46 0.0070517 Eth | $8,404,616.00 336,774.730 LINK | 1.3244% |
19 | LATOKEN | LINK-USDT | $24.47 0.0070547 Eth | $7,708,040.00 315,049.634 LINK | 1.2389% |
20 | Kraken | LINK-USD | $24.47 0.0070554 Eth | $7,325,133.00 299,291.520 LINK | 1.1770% |
21 | KuCoin | LINK-USDT | $24.46 0.0070517 Eth | $6,458,015.00 264,018.860 LINK | 1.0383% |
22 | QMall | LINK-USDT | $24.47 0.0070538 Eth | $6,113,574.00 244,605.868 LINK | 0.9619% |
23 | Coinbase Exchange | LINK-GBP | $24.57 0.0070831 Eth | $5,400,880.00 219,844.100 LINK | 0.8645% |
24 | Dex-Trade | LINK-USDT | $24.57 0.0070698 Eth | $5,370,382.00 218,573.580 LINK | 0.8595% |
25 | LBank | LINK-USDT | $24.51 0.0070563 Eth | $5,081,681.00 207,340.940 LINK | 0.8154% |
26 | Hotcoin | LINK-USDT | $24.47 0.0070538 Eth | $3,799,412.00 155,297.290 LINK | 0.6107% |
27 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.52 0.0070696 Eth | $3,528,643.00 140,788.735 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.5537% |
28 | Bitvavo | LINK-EUR | $24.52 0.0070686 Eth | $3,176,194.00 129,551.924 LINK | 0.5095% |
29 | Bitstamp | LINK-USD | $24.47 0.0070540 Eth | $2,982,293.00 121,875.483 LINK | 0.4793% |
30 | Dcoin | LINK-USDT | $24.47 0.0070447 Eth | $2,839,325.00 116,040.000 LINK | 0.4563% |
31 | CoinEx | LINK-USDT | $24.51 0.0070562 Eth | $2,715,049.00 108,565.814 LINK | 0.4269% |
32 | PointPay | LINK-USDT | $24.46 0.0070513 Eth | $2,490,058.00 99,659.202 LINK | 0.3919% |
33 | EXMO | LINK-USDT | $24.45 0.0070504 Eth | $2,464,291.00 100,772.562 LINK | 0.3963% |
34 | WhiteBIT | LINK-BTC | $24.48 0.0070598 Eth | $1,931,483.00 78,886.560 LINK | 0.3102% |
35 | Coinbase Exchange | LINK-EUR | $24.55 0.0070763 Eth | $1,877,645.00 76,491.910 LINK | 0.3008% |
36 | WhiteBIT | LINK-TRY | $24.61 0.0070949 Eth | $1,830,652.00 74,391.420 LINK | 0.2925% |
37 | Phemex | LINK-USDT | $24.47 0.0070550 Eth | $1,621,856.00 66,287.540 LINK | 0.2607% |
38 | Bitstamp | LINK-EUR | $24.54 0.0070732 Eth | $1,617,559.00 65,924.462 LINK | 0.2592% |
39 | tanX | LINK-USDC | $24.48 0.0070593 Eth | $1,289,431.00 51,690.400 LINK | 0.2033% |
40 | BitStorage | LINK-USDT | $24.50 0.0070634 Eth | $1,285,473.00 52,476.680 LINK | 0.2064% |
41 | EarnBIT | LINK-USDT | $24.37 0.0070294 Eth | $1,209,550.00 48,380.468 LINK | 0.1903% |
42 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.42 0.0070418 Eth | $1,170,850.00 46,838.475 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1842% |
43 | Binance | LINK-TRY | $24.58 0.0070928 Eth | $1,030,363.00 40,965.590 LINK | 0.1611% |
44 | Bitbank | LINK-JPY | $24.51 0.0070676 Eth | $1,015,909.00 41,448.074 LINK | 0.1630% |
45 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.43 0.0070428 Eth | $990,675.00 39,457.008 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1552% |
46 | Bybit | LINK-USDC | $24.48 0.0070583 Eth | $874,778.00 34,873.102 LINK | 0.1371% |
47 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.47 0.0070555 Eth | $871,200.00 35,159.876 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1383% |
48 | Coinbase Exchange | LINK-USDT | $24.49 0.0070601 Eth | $804,505.00 32,855.029 LINK | 0.1292% |
49 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.40 0.0070350 Eth | $793,903.00 31,810.305 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1251% |
50 | WhiteBIT | LINK-EUR | $24.50 0.0070642 Eth | $717,165.00 29,270.660 LINK | 0.1151% |
51 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.52 0.0070696 Eth | $668,273.00 26,678.570 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1049% |
52 | Coinbase Exchange | LINK-ETH | $24.46 0.0070532 Eth | $619,767.00 25,337.450 LINK | 0.0996% |
53 | BigONE | LINK-USDT | $24.42 0.0070402 Eth | $606,401.00 24,834.420 LINK | 0.0977% |
54 | Binance | LINK-EUR | $24.54 0.0070744 Eth | $597,939.00 23,778.650 LINK | 0.0935% |
55 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.68 0.0071163 Eth | $593,437.00 23,631.632 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0929% |
56 | HashKey Exchange | LINK-USD | $24.56 0.0070722 Eth | $552,176.00 22,119.138 LINK | 0.0870% |
57 | KuCoin | LINK-USDC | $24.42 0.0070391 Eth | $530,121.00 21,711.327 LINK | 0.0854% |
58 | Gemini | LINK-USD | $24.44 0.0070457 Eth | $473,072.00 19,355.524 LINK | 0.0761% |
59 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.41 0.0070384 Eth | $446,432.00 457,406.338 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.7988% |
60 | GMO Japan | LINK-JPY | $24.38 0.0070295 Eth | $444,554.00 18,235.500 LINK | 0.0717% |
61 | Slex | LINK-ETH | $24.48 0.0070587 Eth | $441,476.00 17,801.010 LINK | 0.0700% |
62 | BitMart | LINK-BTC | $24.47 0.0070539 Eth | $390,209.00 15,948.920 LINK | 0.0627% |
63 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.43 0.0070471 Eth | $373,135.00 14,970.391 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0589% |
64 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.52 0.0070696 Eth | $355,610.00 363,353.167 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 1.4289% |
65 | Coinbase Exchange | LINK-BTC | $24.46 0.0070530 Eth | $312,444.00 12,772.240 LINK | 0.0502% |
66 | BitDelta | LINK-USDT | $24.47 0.0070550 Eth | $309,608.00 12,413.000 LINK | 0.0488% |
67 | LATOKEN | LINK-BTC | $24.47 0.0070554 Eth | $289,194.00 11,818.137 LINK | 0.0465% |
68 | Binance US | LINK-USDT | $24.48 0.0070587 Eth | $255,835.00 10,449.958 LINK | 0.0411% |
69 | Bitkub | LINK-THB | $24.59 0.0070821 Eth | $252,782.00 10,279.015 LINK | 0.0404% |
70 | Bitci TR | LINK-TRY | $24.70 0.0071232 Eth | $248,338.00 9,936.470 LINK | 0.0391% |
71 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.48 0.0070574 Eth | $239,529.00 9,589.731 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0377% |
72 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.41 0.0070384 Eth | $227,374.00 9,193.158 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0362% |
73 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.52 0.0070709 Eth | $212,964.00 8,516.186 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0335% |
74 | BitMart | LINK-ETH | $24.45 0.0070491 Eth | $211,235.00 8,639.680 LINK | 0.0340% |
75 | BitStorage | LINK-ETH | $24.46 0.0070516 Eth | $202,013.00 8,258.840 LINK | 0.0325% |
76 | BTCMarkets | LINK-AUD | $24.61 0.0070844 Eth | $195,242.00 7,934.747 LINK | 0.0312% |
77 | PointPay | LINK-BTC | $24.45 0.0070496 Eth | $194,578.00 7,723.474 LINK | 0.0304% |
78 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.50 0.0070628 Eth | $178,856.00 7,135.375 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0281% |
79 | KuCoin | LINK-BTC | $24.42 0.0070412 Eth | $177,045.00 7,248.826 LINK | 0.0285% |
80 | Kraken | LINK-GBP | $24.61 0.0070939 Eth | $168,300.00 6,839.140 LINK | 0.0269% |
81 | Bitso | LINK-USD | $24.56 0.0070692 Eth | $135,991.00 5,537.579 LINK | 0.0218% |
82 | Hotcoin | LINK-BTC | $24.46 0.0070525 Eth | $133,000.00 5,437.320 LINK | 0.0214% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.41 0.0070384 Eth | $113,379.00 4,530.712 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0178% |
84 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.46 0.0070516 Eth | $91,304.00 3,634.005 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0143% |
85 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.53 0.0070731 Eth | $84,680.00 3,345.681 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0132% |
86 | Bitexen | LINK-TRY | $24.33 0.0070046 Eth | $62,379.00 2,563.937 LINK | 0.0101% |
87 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $24.56 0.0070808 Eth | $62,368.00 83.481 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0003% |
88 | Independent Reserve | LINK-AUD | $24.63 0.0070914 Eth | $45,198.00 1,835.131 LINK | 0.0072% |
89 | Hotcoin | LINK-ETH | $24.47 0.0070556 Eth | $45,146.00 1,845.040 LINK | 0.0073% |
90 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $24.56 0.0070800 Eth | $41,505.00 1,674.210 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0066% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $24.90 0.0071795 Eth | $40,646.00 1,635.262 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0064% |
92 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $24.50 0.0070645 Eth | $29,248.00 1,166.473 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0046% |
93 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $24.56 0.0070808 Eth | $25,692.00 1,042.141 0X5947BB275C521040051D82396192181B413227A3 | 0.0041% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $24.45 0.0070488 Eth | $24,427.00 970.548 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0038% |
95 | Binance US | LINK-BTC | $24.57 0.0070753 Eth | $24,238.00 986.355 LINK | 0.0039% |
96 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.61 0.0070963 Eth | $23,467.00 934.168 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0037% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $24.41 0.0070384 Eth | $17,153.12 686.054 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0027% |
98 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.57 0.0070821 Eth | $16,901.01 672.024 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0026% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD93F7E271CB87C23AAA73EDC008A79646D1F9912 | $24.53 0.0070724 Eth | $14,881.51 590.645 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0023% |
100 | Ace | LINK-USDT | $24.46 0.0070516 Eth | $6,174.90 247.130 LINK | 0.0010% |
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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