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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,203 ( -0.009%)
Market
Price
$24.71 @ 0.007582 ETH (+3.61%)
Onchain Market Cap
$24,710,000,000.00
Circulating Supply Market Cap
$15,764,628,366.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
299.853232297189726496 LINKValue
$7,409.37 ( ~2.2727 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $24.73 0.0075652 Eth | $102,459,676.00 4,177,431.430 LINK | 22.4264% |
2 | Coinbase Exchange | LINK-USD | $24.63 0.0075523 Eth | $52,597,057.00 2,135,660.920 LINK | 11.4652% |
3 | Bybit | LINK-USDT | $24.60 0.0075477 Eth | $35,287,219.00 1,442,163.281 LINK | 7.7422% |
4 | P2B | LINK-USDT | $24.66 0.0075575 Eth | $21,801,995.00 883,982.480 LINK | 4.7456% |
5 | Gate.io | LINK-USDT | $24.61 0.0075514 Eth | $15,228,448.00 618,573.780 LINK | 3.3208% |
6 | HTX | LINK-USDT | $24.64 0.0075584 Eth | $15,034,871.00 614,656.128 LINK | 3.2998% |
7 | MEXC | LINK-USDT | $24.72 0.0075673 Eth | $13,418,442.00 542,804.800 LINK | 2.9140% |
8 | OKX | LINK-USDT | $24.64 0.0075593 Eth | $13,070,552.00 532,322.067 LINK | 2.8578% |
9 | DigiFinex | LINK-USDT | $24.61 0.0075497 Eth | $12,767,884.00 518,842.580 LINK | 2.7854% |
10 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.69 0.0075756 Eth | $11,707,777.00 471,700.450 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.5323% |
11 | XT.COM | LINK-USDT | $24.64 0.0075516 Eth | $10,191,799.00 415,493.150 LINK | 2.2306% |
12 | Azbit | LINK-USDT | $24.64 0.0075597 Eth | $9,887,733.00 403,127.733 LINK | 2.1642% |
13 | Coinstore | LINK-USDT | $24.55 0.0075307 Eth | $9,200,964.00 375,510.410 LINK | 2.0159% |
14 | Binance | LINK-FDUSD | $24.68 0.0075650 Eth | $8,377,779.00 341,983.840 LINK | 1.8359% |
15 | Bitunix | LINK-USDT | $24.63 0.0075556 Eth | $7,868,771.00 319,590.110 LINK | 1.7157% |
16 | Binance | LINK-USDC | $24.73 0.0075742 Eth | $7,767,614.00 315,527.560 LINK | 1.6939% |
17 | KuCoin | LINK-USDT | $24.63 0.0075569 Eth | $7,636,842.00 310,053.204 LINK | 1.6645% |
18 | CoinW | LINK-USDT | $24.70 0.0075660 Eth | $6,896,942.00 279,228.540 LINK | 1.4990% |
19 | BTSE | LINK-USDT | $24.60 0.0075472 Eth | $5,773,754.00 234,683.484 LINK | 1.2599% |
20 | BYDFi | LINK-USDT | $24.62 0.0075425 Eth | $5,758,458.00 233,859.240 LINK | 1.2555% |
21 | LBank | LINK-USDT | $24.76 0.0075768 Eth | $5,073,111.00 204,903.440 LINK | 1.1000% |
22 | LATOKEN | LINK-USDT | $24.73 0.0075756 Eth | $5,029,280.00 203,334.399 LINK | 1.0916% |
23 | Kraken | LINK-USD | $24.63 0.0075553 Eth | $4,510,110.00 183,147.203 LINK | 0.9832% |
24 | Coinbase Exchange | LINK-EUR | $24.64 0.0075592 Eth | $4,436,565.00 180,068.230 LINK | 0.9667% |
25 | QMall | LINK-USDT | $24.68 0.0075616 Eth | $4,184,892.00 170,545.999 LINK | 0.9156% |
26 | Dex-Trade | LINK-USDT | $24.62 0.0075533 Eth | $3,332,488.00 135,343.781 LINK | 0.7266% |
27 | FMCPAY | LINK-USDT | $24.61 0.0075504 Eth | $3,285,218.00 134,097.652 LINK | 0.7199% |
28 | Bitvavo | LINK-EUR | $24.70 0.0075686 Eth | $3,151,103.00 127,555.864 LINK | 0.6848% |
29 | CoinEx | LINK-USDT | $24.70 0.0075614 Eth | $2,203,351.00 89,567.476 LINK | 0.4808% |
30 | Biconomy.com | LINK-USDT | $24.63 0.0075540 Eth | $2,131,637.00 87,026.200 LINK | 0.4672% |
31 | FMCPAY | LINK-ETH | $24.63 0.0075562 Eth | $1,677,197.00 67,619.680 LINK | 0.3630% |
32 | Phemex | LINK-USDT | $24.66 0.0075481 Eth | $1,598,909.00 64,836.880 LINK | 0.3481% |
33 | PointPay | LINK-USDT | $24.64 0.0075516 Eth | $1,570,548.00 64,057.351 LINK | 0.3439% |
34 | Coinbase Exchange | LINK-GBP | $24.59 0.0075449 Eth | $1,493,777.00 60,743.380 LINK | 0.3261% |
35 | FMCPAY | LINK-BTC | $24.71 0.0075640 Eth | $1,418,784.00 57,873.700 LINK | 0.3107% |
36 | WhiteBIT | LINK-TRY | $24.59 0.0075429 Eth | $1,227,086.00 49,911.720 LINK | 0.2679% |
37 | tanX | LINK-USDC | $24.72 0.0075686 Eth | $1,206,999.00 49,268.000 LINK | 0.2645% |
38 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.62 0.0075525 Eth | $1,143,089.00 46,266.055 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2484% |
39 | EXMO | LINK-USDT | $24.64 0.0075589 Eth | $1,062,830.00 43,133.294 LINK | 0.2316% |
40 | Gemini | LINK-USD | $24.66 0.0075649 Eth | $1,007,243.00 40,848.524 LINK | 0.2193% |
41 | Bitbank | LINK-JPY | $24.79 0.0075885 Eth | $898,260.00 36,236.645 LINK | 0.1945% |
42 | Trubit | LINK-USDT | $24.72 0.0075675 Eth | $833,730.00 34,107.410 LINK | 0.1831% |
43 | BitStorage | LINK-USDT | $24.71 0.0075646 Eth | $818,292.00 33,115.040 LINK | 0.1778% |
44 | BigONE | LINK-USDT | $24.79 0.0075896 Eth | $789,276.00 31,835.310 LINK | 0.1709% |
45 | Binance | LINK-TRY | $24.67 0.0075522 Eth | $728,538.00 29,699.810 LINK | 0.1594% |
46 | ProBit Global | LINK-USDT | $24.69 0.0075666 Eth | $711,353.00 28,807.799 LINK | 0.1547% |
47 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $24.72 0.0075808 Eth | $699,386.00 28,427.376 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1526% |
48 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.75 0.0075826 Eth | $695,164.00 27,963.659 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1501% |
49 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.75 0.0075829 Eth | $687,535.00 27,673.458 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1486% |
50 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $24.69 0.0075756 Eth | $672,507.00 55,294.610 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2968% |
51 | Coinbase Exchange | LINK-ETH | $24.63 0.0075553 Eth | $663,491.00 26,942.030 LINK | 0.1446% |
52 | WhiteBIT | LINK-BTC | $24.59 0.0075442 Eth | $628,284.00 25,550.850 LINK | 0.1372% |
53 | QMall | LINK-USDC | $24.72 0.0075675 Eth | $609,320.00 24,740.957 LINK | 0.1328% |
54 | EarnBIT | LINK-USDT | $24.61 0.0075501 Eth | $601,857.00 24,505.583 LINK | 0.1316% |
55 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.77 0.0075986 Eth | $586,649.00 23,563.525 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1265% |
56 | OKX | LINK-USDC | $24.60 0.0075459 Eth | $571,384.00 23,474.112 LINK | 0.1260% |
57 | Coinbase Exchange | LINK-USDT | $24.70 0.0075653 Eth | $553,363.00 22,400.267 LINK | 0.1203% |
58 | WhiteBIT | LINK-EUR | $24.69 0.0075600 Eth | $543,907.00 22,032.990 LINK | 0.1183% |
59 | itBit | LINK-USD | $24.64 0.0075560 Eth | $503,136.00 20,419.464 LINK | 0.1096% |
60 | BitDelta | LINK-USDT | $24.60 0.0075479 Eth | $471,089.00 19,176.000 LINK | 0.1029% |
61 | HashKey Exchange | LINK-USD | $24.61 0.0075418 Eth | $427,450.00 17,455.400 LINK | 0.0937% |
62 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.75 0.0075826 Eth | $425,854.00 421,653.552 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.2636% |
63 | ProBit Global | LINK-BTC | $24.65 0.0075617 Eth | $419,848.00 17,029.466 LINK | 0.0914% |
64 | Coinbase Exchange | LINK-BTC | $24.68 0.0075612 Eth | $409,522.00 16,596.210 LINK | 0.0891% |
65 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $24.65 0.0075607 Eth | $409,464.00 16,827.945 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0903% |
66 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $24.73 0.0075764 Eth | $409,274.00 16,449.359 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0883% |
67 | LATOKEN | LINK-BTC | $24.70 0.0075740 Eth | $298,795.00 12,097.523 LINK | 0.0649% |
68 | BitMart | LINK-BTC | $24.72 0.0075743 Eth | $270,845.00 10,957.720 LINK | 0.0588% |
69 | Slex | LINK-ETH | $24.67 0.0075667 Eth | $269,519.00 10,860.940 LINK | 0.0583% |
70 | GMO Japan | LINK-JPY | $24.66 0.0075637 Eth | $257,400.00 10,439.600 LINK | 0.0560% |
71 | Bitci TR | LINK-TRY | $24.53 0.0075078 Eth | $243,287.00 9,957.758 LINK | 0.0535% |
72 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.59 0.0075452 Eth | $235,480.00 9,599.507 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0515% |
73 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $24.75 0.0075826 Eth | $221,609.00 9,064.096 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0487% |
74 | bitcastle | LINK-USDT | $24.61 0.0075438 Eth | $209,538.00 8,547.060 LINK | 0.0459% |
75 | Hotcoin | LINK-BTC | $24.68 0.0075616 Eth | $197,005.00 7,982.110 LINK | 0.0429% |
76 | BitStorage | LINK-ETH | $24.67 0.0075660 Eth | $187,949.00 7,617.620 LINK | 0.0409% |
77 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $24.66 0.0075669 Eth | $177,584.00 7,125.776 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0383% |
78 | KuCoin | LINK-BTC | $24.61 0.0075491 Eth | $171,461.00 6,968.469 LINK | 0.0374% |
79 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $24.66 0.0075621 Eth | $165,698.00 6,958.555 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0374% |
80 | BYDFi | LINK-USDC | $24.67 0.0075561 Eth | $153,785.00 6,234.450 LINK | 0.0335% |
81 | Bitkub | LINK-THB | $24.68 0.0075716 Eth | $138,354.00 5,605.462 LINK | 0.0301% |
82 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $24.47 0.0075080 Eth | $133,410.00 5,407.305 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0290% |
83 | CoinTR | LINK-TRY | $24.64 0.0075452 Eth | $133,173.00 5,463.870 LINK | 0.0293% |
84 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $24.68 0.0075728 Eth | $131,014.00 5,365.003 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0288% |
85 | Bitso | LINK-USD | $24.71 0.0075789 Eth | $120,558.00 4,879.763 LINK | 0.0262% |
86 | Mercado Bitcoin | LINK-BRL | $24.61 0.0075496 Eth | $89,150.00 3,622.474 LINK | 0.0194% |
87 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $24.66 0.0075649 Eth | $84,762.00 83,738.174 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.4495% |
88 | BitMart | LINK-ETH | $24.69 0.0075659 Eth | $84,551.00 3,424.520 LINK | 0.0184% |
89 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $24.69 0.0075742 Eth | $69,887.00 69,098.656 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3710% |
90 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $24.69 0.0075671 Eth | $59,796.00 1,794.231 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0096% |
91 | Nonkyc.io | LINK-BTC | $24.80 0.0075924 Eth | $59,588.00 2,432.485 LINK | 0.0131% |
92 | Hotcoin | LINK-ETH | $24.68 0.0075666 Eth | $59,504.00 2,410.690 LINK | 0.0129% |
93 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $24.62 0.0075519 Eth | $58,893.00 2,416.208 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0130% |
94 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $24.68 0.0075731 Eth | $38,202.00 1,569.611 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0084% |
95 | Bitexen | LINK-TRY | $24.46 0.0074869 Eth | $35,341.00 1,444.974 LINK | 0.0078% |
96 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $24.53 0.0075254 Eth | $33,994.00 1,380.411 0X5947BB275C521040051D82396192181B413227A3 | 0.0074% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $24.51 0.0075111 Eth | $33,885.00 1,364.713 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0073% |
98 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $24.70 0.0075678 Eth | $30,850.00 41.509 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
99 | Dex-Trade | LINK-ETH | $24.74 0.0075722 Eth | $26,035.00 1,052.510 LINK | 0.0057% |
100 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $24.57 0.0075293 Eth | $25,354.00 1,032.792 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0055% |
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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