ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
729,207 ( 0.023%)
Market
Price
$25.54 @ 0.007874 ETH (+0.44%)
Onchain Market Cap
$25,540,000,000.00
Circulating Supply Market Cap
$16,239,152,528.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
185.40767525 LINKValue
$4,735.31 ( ~1.4598 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $25.43 0.0078600 Eth | $142,187,473.00 5,658,360.800 LINK | 18.2819% |
2 | WhiteBIT | LINK-USDT | $25.35 0.0078330 Eth | $127,722,826.00 5,037,821.210 LINK | 16.2770% |
3 | Coinbase Exchange | LINK-USD | $25.39 0.0078348 Eth | $65,153,193.00 2,566,500.950 LINK | 8.2923% |
4 | Bybit | LINK-USDT | $25.39 0.0078480 Eth | $45,510,295.00 1,820,626.177 LINK | 5.8824% |
5 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.40 0.0078517 Eth | $27,412,655.00 1,116,022.060 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.6058% |
6 | P2B | LINK-USDT | $25.38 0.0078470 Eth | $25,121,864.00 989,688.350 LINK | 3.1976% |
7 | OKX | LINK-USDT | $25.43 0.0078615 Eth | $22,083,608.00 878,389.906 LINK | 2.8380% |
8 | DigiFinex | LINK-USDT | $25.44 0.0078643 Eth | $18,615,383.00 731,704.560 LINK | 2.3641% |
9 | Gate.io | LINK-USDT | $25.41 0.0078550 Eth | $16,804,122.00 668,885.180 LINK | 2.1611% |
10 | HTX | LINK-USDT | $25.41 0.0078556 Eth | $16,268,112.00 652,062.121 LINK | 2.1068% |
11 | XT.COM | LINK-USDT | $25.39 0.0078435 Eth | $14,224,635.00 566,038.590 LINK | 1.8288% |
12 | Azbit | LINK-USDT | $25.49 0.0078642 Eth | $14,038,914.00 558,848.955 LINK | 1.8056% |
13 | Binance | LINK-USDC | $25.43 0.0078622 Eth | $13,833,891.00 550,951.980 LINK | 1.7801% |
14 | MEXC | LINK-USDT | $25.39 0.0078474 Eth | $12,871,882.00 506,880.340 LINK | 1.6377% |
15 | Coinstore | LINK-USDT | $25.43 0.0078460 Eth | $11,961,102.00 477,031.380 LINK | 1.5413% |
16 | Bitunix | LINK-USDT | $25.42 0.0078473 Eth | $11,215,727.00 441,348.820 LINK | 1.4260% |
17 | Hotcoin | LINK-USDT | $25.42 0.0078594 Eth | $10,109,682.00 397,649.490 LINK | 1.2848% |
18 | KuCoin | LINK-USDT | $25.41 0.0078546 Eth | $9,928,072.00 390,741.223 LINK | 1.2625% |
19 | CoinW | LINK-USDT | $25.44 0.0078528 Eth | $9,843,371.00 386,861.040 LINK | 1.2499% |
20 | Kraken | LINK-USD | $25.41 0.0078461 Eth | $9,363,764.00 368,512.415 LINK | 1.1906% |
21 | Binance | LINK-FDUSD | $25.30 0.0078213 Eth | $9,094,159.00 364,517.810 LINK | 1.1777% |
22 | BYDFi | LINK-USDT | $25.72 0.0078916 Eth | $7,900,680.00 307,218.570 LINK | 0.9926% |
23 | LBank | LINK-USDT | $25.46 0.0078656 Eth | $7,004,501.00 275,156.720 LINK | 0.8890% |
24 | LATOKEN | LINK-USDT | $25.46 0.0078746 Eth | $6,495,187.00 255,152.998 LINK | 0.8244% |
25 | Coinbase Exchange | LINK-GBP | $25.46 0.0078667 Eth | $6,306,037.00 247,682.910 LINK | 0.8003% |
26 | Coinbase Exchange | LINK-EUR | $25.48 0.0078715 Eth | $5,786,707.00 227,147.300 LINK | 0.7339% |
27 | QMall | LINK-USDT | $25.41 0.0078395 Eth | $5,767,924.00 229,664.970 LINK | 0.7420% |
28 | FMCPAY | LINK-USDT | $25.42 0.0078571 Eth | $4,397,123.00 176,637.446 LINK | 0.5707% |
29 | WhiteBIT | LINK-BTC | $25.41 0.0078506 Eth | $4,294,696.00 169,017.450 LINK | 0.5461% |
30 | Dex-Trade | LINK-USDT | $25.47 0.0078742 Eth | $4,146,217.00 162,809.614 LINK | 0.5260% |
31 | Bitvavo | LINK-EUR | $25.41 0.0078538 Eth | $3,739,641.00 147,166.245 LINK | 0.4755% |
32 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.44 0.0078476 Eth | $3,371,731.00 134,680.360 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4351% |
33 | Bitstamp | LINK-USD | $25.42 0.0078578 Eth | $3,281,257.00 129,081.690 LINK | 0.4171% |
34 | WhiteBIT | LINK-TRY | $25.42 0.0078525 Eth | $3,120,318.00 122,770.430 LINK | 0.3967% |
35 | Biconomy.com | LINK-USDT | $25.39 0.0078498 Eth | $2,851,632.00 113,663.530 LINK | 0.3672% |
36 | PointPay | LINK-USDT | $25.51 0.0078710 Eth | $2,173,745.00 86,363.107 LINK | 0.2790% |
37 | CoinEx | LINK-USDT | $25.47 0.0078705 Eth | $2,133,577.00 85,678.455 LINK | 0.2768% |
38 | FMCPAY | LINK-BTC | $25.42 0.0078577 Eth | $1,723,023.00 68,161.000 LINK | 0.2202% |
39 | Bitbank | LINK-JPY | $25.47 0.0078665 Eth | $1,722,532.00 67,622.454 LINK | 0.2185% |
40 | BigONE | LINK-USDT | $25.43 0.0078635 Eth | $1,692,839.00 66,559.280 LINK | 0.2151% |
41 | Gemini | LINK-USD | $25.45 0.0078671 Eth | $1,662,406.00 65,320.159 LINK | 0.2110% |
42 | ProBit Global | LINK-USDT | $25.37 0.0078405 Eth | $1,661,898.00 65,500.961 LINK | 0.2116% |
43 | EXMO | LINK-USDT | $25.43 0.0078619 Eth | $1,414,248.00 55,609.213 LINK | 0.1797% |
44 | Kraken | LINK-USDT | $25.44 0.0078562 Eth | $1,198,801.00 47,118.259 LINK | 0.1522% |
45 | Bybit | LINK-USDC | $25.40 0.0078527 Eth | $1,169,084.00 46,624.487 LINK | 0.1506% |
46 | tanX | LINK-USDC | $25.39 0.0078490 Eth | $1,079,122.00 43,352.040 LINK | 0.1401% |
47 | QMall | LINK-USDC | $25.47 0.0078643 Eth | $1,064,691.00 42,457.080 LINK | 0.1372% |
48 | EarnBIT | LINK-USDT | $25.50 0.0078743 Eth | $1,055,166.00 41,945.008 LINK | 0.1355% |
49 | Trubit | LINK-USDT | $25.40 0.0078370 Eth | $1,050,642.00 41,975.050 LINK | 0.1356% |
50 | BitStorage | LINK-USDT | $25.71 0.0079030 Eth | $1,039,095.00 40,410.020 LINK | 0.1306% |
51 | WhiteBIT | LINK-EUR | $25.45 0.0078587 Eth | $947,972.00 37,252.140 LINK | 0.1204% |
52 | Binance | LINK-TRY | $25.50 0.0078747 Eth | $928,164.00 36,781.600 LINK | 0.1188% |
53 | Coinbase Exchange | LINK-USDT | $25.46 0.0078612 Eth | $909,003.00 35,699.866 LINK | 0.1153% |
54 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $25.44 0.0078476 Eth | $907,664.00 36,137.687 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1168% |
55 | Binance | LINK-EUR | $25.45 0.0078685 Eth | $900,233.00 35,826.290 LINK | 0.1158% |
56 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.49 0.0078647 Eth | $893,155.00 35,817.199 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1157% |
57 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.39 0.0078323 Eth | $828,984.00 33,195.607 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1073% |
58 | itBit | LINK-USD | $25.48 0.0078768 Eth | $790,363.00 31,018.965 LINK | 0.1002% |
59 | GMO Japan | LINK-JPY | $25.45 0.0078544 Eth | $774,996.00 30,452.600 LINK | 0.0984% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.41 0.0078401 Eth | $758,412.00 30,452.260 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0984% |
61 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.41 0.0078435 Eth | $744,399.00 734,361.362 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.3727% |
62 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.37 0.0078340 Eth | $723,822.00 28,823.314 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0931% |
63 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $25.40 0.0078506 Eth | $720,044.00 55,578.646 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.1796% |
64 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $25.53 0.0078758 Eth | $645,294.00 25,649.101 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0829% |
65 | HashKey Exchange | LINK-USD | $25.77 0.0079092 Eth | $615,615.00 24,551.551 LINK | 0.0793% |
66 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.39 0.0078323 Eth | $539,581.00 532,344.535 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.7200% |
67 | Slex | LINK-ETH | $25.44 0.0078598 Eth | $429,133.00 17,209.260 LINK | 0.0556% |
68 | LATOKEN | LINK-BTC | $25.49 0.0078630 Eth | $427,923.00 16,790.889 LINK | 0.0543% |
69 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.30 0.0078104 Eth | $420,281.00 16,780.212 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0542% |
70 | XT.COM | LINK-ETH | $25.46 0.0078571 Eth | $413,433.00 16,533.750 LINK | 0.0534% |
71 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.42 0.0078429 Eth | $400,992.00 16,036.294 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0518% |
72 | Coinbase Exchange | LINK-BTC | $25.44 0.0078490 Eth | $395,804.00 15,557.900 LINK | 0.0503% |
73 | Hotcoin | LINK-BTC | $25.43 0.0078627 Eth | $393,011.00 15,451.960 LINK | 0.0499% |
74 | OKX | LINK-USDC | $25.46 0.0078703 Eth | $392,375.00 15,700.116 LINK | 0.0507% |
75 | Bitkub | LINK-THB | $25.51 0.0078828 Eth | $370,624.00 14,529.224 LINK | 0.0469% |
76 | BitStorage | LINK-ETH | $25.39 0.0078487 Eth | $327,517.00 12,899.910 LINK | 0.0417% |
77 | BitDelta | LINK-USDT | $25.45 0.0078525 Eth | $324,187.00 12,952.000 LINK | 0.0418% |
78 | BYDFi | LINK-USDC | $25.49 0.0078691 Eth | $321,345.00 12,607.720 LINK | 0.0407% |
79 | Coinbase Exchange | LINK-ETH | $25.39 0.0078473 Eth | $306,894.00 12,089.060 LINK | 0.0391% |
80 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $25.36 0.0078373 Eth | $295,018.00 11,837.819 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0382% |
81 | Binance US | LINK-USDT | $25.42 0.0078593 Eth | $269,235.00 10,589.460 LINK | 0.0342% |
82 | Gemini | LINK-ETH | $25.18 0.0077846 Eth | $263,056.00 10,445.690 LINK | 0.0337% |
83 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.44 0.0078476 Eth | $212,961.00 209,496.870 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6769% |
84 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.40 0.0078506 Eth | $205,390.00 8,225.425 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0266% |
85 | Mercado Bitcoin | LINK-BRL | $25.52 0.0078885 Eth | $202,437.00 7,931.474 LINK | 0.0256% |
86 | Foxbit | LINK-BRL | $25.51 0.0078863 Eth | $191,024.00 7,467.148 LINK | 0.0241% |
87 | PointPay | LINK-BTC | $25.42 0.0078428 Eth | $175,241.00 6,920.621 LINK | 0.0224% |
88 | Bitso | LINK-USD | $25.44 0.0078600 Eth | $164,630.00 6,471.777 LINK | 0.0209% |
89 | CoinTR | LINK-TRY | $25.49 0.0078655 Eth | $133,376.00 5,346.700 LINK | 0.0173% |
90 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.61 0.0079006 Eth | $131,811.00 5,218.301 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0169% |
91 | Hotcoin | LINK-ETH | $25.45 0.0078632 Eth | $123,712.00 4,861.260 LINK | 0.0157% |
92 | KuCoin | LINK-USDC | $25.38 0.0078464 Eth | $122,074.00 4,809.529 LINK | 0.0155% |
93 | Kraken | LINK-ETH | $25.46 0.0078622 Eth | $107,576.00 4,224.995 LINK | 0.0137% |
94 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $25.40 0.0078370 Eth | $105,179.00 4,155.229 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0134% |
95 | KuCoin | LINK-BTC | $25.37 0.0078433 Eth | $78,033.00 3,075.596 LINK | 0.0099% |
96 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $25.50 0.0078690 Eth | $59,095.00 2,331.606 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0075% |
97 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $25.50 0.0078658 Eth | $55,713.00 72.391 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.39 0.0078323 Eth | $53,750.00 2,157.465 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0070% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $25.39 0.0078346 Eth | $50,939.00 2,029.328 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0066% |
100 | Dex-Trade | LINK-ETH | $25.39 0.0078487 Eth | $45,914.00 1,808.420 LINK | 0.0058% |
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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