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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,903 ( -0.005%)
Market
Price
$24.84 @ 0.007567 ETH (-4.82%)
Onchain Market Cap
$24,840,000,000.00
Circulating Supply Market Cap
$15,853,747,273.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.064203140968491362 LINKValue
$1.59 ( ~0.000484350101817462 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Coinbase Exchange | LINK-USD | $24.82 0.0075559 Eth | $43,675,475.00 1,759,617.850 LINK | 12.6126% |
2 | Bybit | LINK-USDT | $24.81 0.0075524 Eth | $28,347,459.00 1,107,226.498 LINK | 7.9364% |
3 | Slex | LINK-USDT | $24.82 0.0075533 Eth | $25,592,490.00 1,003,362.280 LINK | 7.1919% |
4 | P2B | LINK-USDT | $24.84 0.0075577 Eth | $17,212,293.00 693,047.290 LINK | 4.9676% |
5 | HTX | LINK-USDT | $24.80 0.0075505 Eth | $15,853,447.00 619,893.374 LINK | 4.4433% |
6 | OKX | LINK-USDT | $24.80 0.0075506 Eth | $14,931,629.00 584,030.698 LINK | 4.1862% |
7 | Gate.io | LINK-USDT | $24.81 0.0075535 Eth | $11,676,565.00 453,207.940 LINK | 3.2485% |
8 | DigiFinex | LINK-USDT | $24.83 0.0075594 Eth | $10,792,333.00 434,692.350 LINK | 3.1158% |
9 | WhiteBIT | LINK-USDT | $24.91 0.0075788 Eth | $9,140,178.00 366,959.420 LINK | 2.6303% |
10 | Binance | LINK-FDUSD | $24.80 0.0075517 Eth | $8,810,424.00 344,193.300 LINK | 2.4671% |
11 | XT.COM | LINK-USDT | $24.87 0.0075626 Eth | $8,485,728.00 331,515.180 LINK | 2.3762% |
12 | Azbit | LINK-USDT | $24.87 0.0075652 Eth | $8,459,749.00 330,511.278 LINK | 2.3690% |
13 | MEXC | LINK-USDT | $24.84 0.0075572 Eth | $8,276,701.00 333,241.030 LINK | 2.3886% |
14 | Coinstore | LINK-USDT | $24.83 0.0075553 Eth | $7,654,134.00 299,428.650 LINK | 2.1462% |
15 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.93 0.0075846 Eth | $7,076,453.00 281,527.878 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.0179% |
16 | KuCoin | LINK-USDT | $24.81 0.0075535 Eth | $7,069,989.00 284,987.251 LINK | 2.0427% |
17 | Bitunix | LINK-USDT | $24.88 0.0075657 Eth | $6,629,050.00 266,356.430 LINK | 1.9092% |
18 | Binance | LINK-USDC | $24.83 0.0075602 Eth | $5,979,946.00 232,937.440 LINK | 1.6696% |
19 | Kraken | LINK-USD | $24.86 0.0075663 Eth | $5,584,486.00 224,681.890 LINK | 1.6105% |
20 | CoinW | LINK-USDT | $24.84 0.0075575 Eth | $5,318,196.00 214,059.540 LINK | 1.5343% |
21 | BTSE | LINK-USDT | $24.88 0.0075663 Eth | $5,231,523.00 210,238.888 LINK | 1.5069% |
22 | Hotcoin | LINK-USDT | $24.83 0.0075552 Eth | $5,013,561.00 201,874.890 LINK | 1.4470% |
23 | BYDFi | LINK-USDT | $24.86 0.0075584 Eth | $4,674,012.00 188,038.800 LINK | 1.3478% |
24 | LBank | LINK-USDT | $24.89 0.0075653 Eth | $4,042,479.00 162,445.750 LINK | 1.1644% |
25 | LATOKEN | LINK-USDT | $24.87 0.0075633 Eth | $4,022,700.00 161,724.717 LINK | 1.1592% |
26 | QMall | LINK-USDT | $24.86 0.0075599 Eth | $3,464,836.00 135,385.253 LINK | 0.9704% |
27 | Coinbase Exchange | LINK-EUR | $24.88 0.0075691 Eth | $3,054,330.00 122,748.720 LINK | 0.8798% |
28 | FMCPAY | LINK-USDT | $24.88 0.0075642 Eth | $3,011,154.00 118,201.790 LINK | 0.8472% |
29 | Bitvavo | LINK-EUR | $24.91 0.0075760 Eth | $2,976,301.00 119,466.626 LINK | 0.8563% |
30 | Dex-Trade | LINK-USDT | $24.90 0.0075663 Eth | $2,665,766.00 107,048.530 LINK | 0.7673% |
31 | WhiteBIT | LINK-BTC | $24.90 0.0075708 Eth | $2,255,333.00 90,580.160 LINK | 0.6493% |
32 | CoinEx | LINK-USDT | $24.87 0.0075634 Eth | $2,203,268.00 85,630.495 LINK | 0.6138% |
33 | Coinbase Exchange | LINK-GBP | $24.88 0.0075658 Eth | $1,868,429.00 75,092.750 LINK | 0.5382% |
34 | FMCPAY | LINK-ETH | $24.85 0.0075579 Eth | $1,641,625.00 65,404.960 LINK | 0.4688% |
35 | WhiteBIT | LINK-TRY | $24.92 0.0075878 Eth | $1,588,218.00 63,730.940 LINK | 0.4568% |
36 | FMCPAY | LINK-BTC | $24.87 0.0075636 Eth | $1,466,936.00 57,924.100 LINK | 0.4152% |
37 | Kraken | LINK-EUR | $24.91 0.0075837 Eth | $1,337,513.00 53,688.768 LINK | 0.3848% |
38 | PointPay | LINK-USDT | $24.83 0.0075542 Eth | $1,268,351.00 49,440.554 LINK | 0.3544% |
39 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.78 0.0075366 Eth | $1,240,662.00 49,440.547 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3544% |
40 | tanX | LINK-USDC | $24.89 0.0075715 Eth | $1,195,308.00 46,847.190 LINK | 0.3358% |
41 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.85 0.0075652 Eth | $1,141,988.00 45,557.609 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3265% |
42 | OKX | LINK-USDC | $24.84 0.0075603 Eth | $947,893.00 37,281.592 LINK | 0.2672% |
43 | EXMO | LINK-USDT | $24.86 0.0075652 Eth | $930,405.00 37,425.397 LINK | 0.2683% |
44 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.88 0.0075680 Eth | $911,326.00 36,241.601 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2598% |
45 | Phemex | LINK-USDT | $24.83 0.0075526 Eth | $886,239.00 35,699.100 LINK | 0.2559% |
46 | Gemini | LINK-USD | $24.84 0.0075597 Eth | $847,394.00 34,117.731 LINK | 0.2445% |
47 | Trubit | LINK-USDT | $24.86 0.0075602 Eth | $767,057.00 30,106.120 LINK | 0.2158% |
48 | BigONE | LINK-USDT | $24.84 0.0075524 Eth | $719,760.00 28,980.800 LINK | 0.2077% |
49 | Bitbank | LINK-JPY | $24.94 0.0075909 Eth | $717,235.00 28,753.000 LINK | 0.2061% |
50 | EarnBIT | LINK-USDT | $24.83 0.0075539 Eth | $698,062.00 27,318.779 LINK | 0.1958% |
51 | Binance | LINK-EUR | $24.91 0.0075858 Eth | $680,578.00 26,520.720 LINK | 0.1901% |
52 | Bybit | LINK-USDC | $24.87 0.0075707 Eth | $637,519.00 24,978.485 LINK | 0.1790% |
53 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.78 0.0075366 Eth | $628,260.00 24,684.084 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1769% |
54 | Binance | LINK-TRY | $24.97 0.0075978 Eth | $593,805.00 23,093.600 LINK | 0.1655% |
55 | WhiteBIT | LINK-EUR | $24.94 0.0075914 Eth | $536,070.00 21,493.020 LINK | 0.1541% |
56 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.80 0.0075448 Eth | $529,273.00 20,716.776 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1485% |
57 | QMall | LINK-USDC | $24.86 0.0075584 Eth | $482,262.00 18,791.511 LINK | 0.1347% |
58 | Coinbase Exchange | LINK-USDT | $24.93 0.0075898 Eth | $414,736.00 16,637.969 LINK | 0.1193% |
59 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.86 0.0075611 Eth | $405,247.00 418,769.107 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 3.0016% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.92 0.0075848 Eth | $400,275.00 15,916.973 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1141% |
61 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.90 0.0075791 Eth | $396,888.00 15,742.138 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1128% |
62 | LATOKEN | LINK-BTC | $24.88 0.0075687 Eth | $376,816.00 15,145.680 LINK | 0.1086% |
63 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.93 0.0075846 Eth | $352,570.00 28,599.866 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2050% |
64 | Bitkub | LINK-THB | $25.06 0.0076234 Eth | $348,336.00 13,899.334 LINK | 0.0996% |
65 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.95 0.0075938 Eth | $309,977.00 319,549.423 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2905% |
66 | BitMart | LINK-BTC | $24.83 0.0075548 Eth | $290,601.00 11,704.120 LINK | 0.0839% |
67 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.86 0.0075612 Eth | $280,281.00 10,893.849 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0781% |
68 | Bitci TR | LINK-TRY | $24.86 0.0075577 Eth | $260,714.00 10,181.890 LINK | 0.0730% |
69 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.95 0.0075938 Eth | $239,723.00 9,320.500 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0668% |
70 | Slex | LINK-ETH | $24.88 0.0075649 Eth | $228,859.00 9,089.170 LINK | 0.0651% |
71 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.84 0.0075626 Eth | $203,660.00 8,097.650 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0580% |
72 | Coinbase Exchange | LINK-BTC | $24.84 0.0075576 Eth | $202,136.00 8,136.560 LINK | 0.0583% |
73 | Hotcoin | LINK-BTC | $24.82 0.0075557 Eth | $187,520.00 7,555.140 LINK | 0.0542% |
74 | bitcastle | LINK-USDT | $24.84 0.0075557 Eth | $187,336.00 7,326.540 LINK | 0.0525% |
75 | GMO Japan | LINK-JPY | $24.95 0.0075955 Eth | $185,402.00 7,430.600 LINK | 0.0533% |
76 | BitStorage | LINK-ETH | $24.85 0.0075635 Eth | $157,275.00 6,330.000 LINK | 0.0454% |
77 | BYDFi | LINK-USDC | $24.88 0.0075633 Eth | $147,305.00 5,921.820 LINK | 0.0424% |
78 | Binance US | LINK-USDT | $24.88 0.0075691 Eth | $145,832.00 5,860.725 LINK | 0.0420% |
79 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $24.85 0.0075594 Eth | $136,836.00 6,588.479 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0472% |
80 | PointPay | LINK-BTC | $24.88 0.0075650 Eth | $133,260.00 5,232.868 LINK | 0.0375% |
81 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.86 0.0075641 Eth | $120,894.00 4,704.954 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0337% |
82 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.78 0.0075366 Eth | $113,275.00 117,350.351 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.8411% |
83 | Mercado Bitcoin | LINK-BRL | $24.93 0.0075866 Eth | $108,998.00 4,371.581 LINK | 0.0313% |
84 | BitMart | LINK-ETH | $24.84 0.0075590 Eth | $103,586.00 4,169.680 LINK | 0.0299% |
85 | Coinbase Exchange | LINK-ETH | $24.90 0.0075699 Eth | $99,870.00 4,011.620 LINK | 0.0288% |
86 | Bitso | LINK-USD | $24.87 0.0075563 Eth | $93,865.00 3,774.556 LINK | 0.0271% |
87 | Uniswap V2 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | $24.82 0.0075461 Eth | $78,863.00 959.947 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0069% |
88 | Kanga | LINK-PLN | $24.92 0.0075767 Eth | $76,883.00 0.000 LINK | 0.0000% |
89 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.79 0.0075423 Eth | $69,665.00 2,750.554 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0197% |
90 | Hotcoin | LINK-ETH | $24.87 0.0075649 Eth | $59,559.00 2,395.050 LINK | 0.0172% |
91 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.94 0.0075920 Eth | $57,716.00 2,289.904 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0164% |
92 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $24.89 0.0075681 Eth | $46,585.00 1,759.748 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0126% |
93 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.91 0.0075779 Eth | $45,140.00 1,794.888 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0129% |
94 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.95 0.0075938 Eth | $23,570.00 936.859 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0067% |
95 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $24.94 0.0075934 Eth | $23,049.00 897.940 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0064% |
96 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $24.82 0.0075547 Eth | $21,985.00 864.791 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0062% |
97 | Dex-Trade | LINK-ETH | $24.93 0.0075820 Eth | $21,302.00 854.310 LINK | 0.0061% |
98 | HTX | LINK-BTC | $24.81 0.0075538 Eth | $16,762.32 654.727 LINK | 0.0047% |
99 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.78 0.0075368 Eth | $15,015.83 45.085 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0003% |
100 | KuCoin | LINK-KCS | $24.67 0.0075125 Eth | $14,578.94 590.875 LINK | 0.0042% |
Contract Source Code Verified (Exact Match)
Contract Name:
LinkToken
Compiler Version
v0.4.16+commit.d7661dd9
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *Submitted for verification at Etherscan.io on 2017-09-23 */ pragma solidity ^0.4.16; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { function mul(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal constant returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal constant returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) constant returns (uint256); function transfer(address to, uint256 value) returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) constant returns (uint256); function transferFrom(address from, address to, uint256 value) returns (bool); function approve(address spender, uint256 value) returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } contract ERC677 is ERC20 { function transferAndCall(address to, uint value, bytes data) returns (bool success); event Transfer(address indexed from, address indexed to, uint value, bytes data); } contract ERC677Receiver { function onTokenTransfer(address _sender, uint _value, bytes _data); } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) returns (bool) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) returns (bool) { var _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } /* * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval (address _spender, uint _addedValue) returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract ERC677Token is ERC677 { /** * @dev transfer token to a contract address with additional data if the recipient is a contact. * @param _to The address to transfer to. * @param _value The amount to be transferred. * @param _data The extra data to be passed to the receiving contract. */ function transferAndCall(address _to, uint _value, bytes _data) public returns (bool success) { super.transfer(_to, _value); Transfer(msg.sender, _to, _value, _data); if (isContract(_to)) { contractFallback(_to, _value, _data); } return true; } // PRIVATE function contractFallback(address _to, uint _value, bytes _data) private { ERC677Receiver receiver = ERC677Receiver(_to); receiver.onTokenTransfer(msg.sender, _value, _data); } function isContract(address _addr) private returns (bool hasCode) { uint length; assembly { length := extcodesize(_addr) } return length > 0; } } contract LinkToken is StandardToken, ERC677Token { uint public constant totalSupply = 10**27; string public constant name = 'ChainLink Token'; uint8 public constant decimals = 18; string public constant symbol = 'LINK'; function LinkToken() public { balances[msg.sender] = totalSupply; } /** * @dev transfer token to a specified address with additional data if the recipient is a contract. * @param _to The address to transfer to. * @param _value The amount to be transferred. * @param _data The extra data to be passed to the receiving contract. */ function transferAndCall(address _to, uint _value, bytes _data) public validRecipient(_to) returns (bool success) { return super.transferAndCall(_to, _value, _data); } /** * @dev transfer token to a specified address. * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint _value) public validRecipient(_to) returns (bool success) { return super.transfer(_to, _value); } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public validRecipient(_spender) returns (bool) { return super.approve(_spender, _value); } /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public validRecipient(_to) returns (bool) { return super.transferFrom(_from, _to, _value); } // MODIFIERS modifier validRecipient(address _recipient) { require(_recipient != address(0) && _recipient != address(this)); _; } }
Contract Security Audit
- Callisto Network - April 14th, 2019 - Security Audit Report
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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