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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
721,622 (0.00%)
Market
Price
$10.65 @ 0.004353 ETH (-2.88%)
Onchain Market Cap
$10,650,000,000.00
Circulating Supply Market Cap
$6,681,412,645.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | LBank | LINK-USDT | $10.61 0.0043378 Eth | $29,482,976.00 2,779,950.820 LINK | 20.5531% |
2 | Binance | LINK-USDT | $10.68 0.0043547 Eth | $16,146,110.00 1,493,784.050 LINK | 11.0441% |
3 | Coinbase Exchange | LINK-USD | $10.61 0.0043404 Eth | $10,481,460.00 987,698.800 LINK | 7.3024% |
4 | Bitget | LINK-USDT | $10.61 0.0043386 Eth | $8,929,137.00 823,214.148 LINK | 6.0863% |
5 | HTX | LINK-USDT | $10.61 0.0043376 Eth | $7,551,445.00 696,994.945 LINK | 5.1531% |
6 | Websea | LINK-USDT | $10.61 0.0043400 Eth | $7,260,935.00 0.000 LINK | 0.0000% |
7 | Bybit | LINK-USDT | $10.62 0.0043386 Eth | $6,388,677.00 590,856.872 LINK | 4.3684% |
8 | WhiteBIT | LINK-USDT | $10.61 0.0043391 Eth | $6,267,110.00 590,589.460 LINK | 4.3664% |
9 | BVOX | LINK-USDT | $10.61 0.0043392 Eth | $3,540,283.00 327,448.750 LINK | 2.4209% |
10 | P2B | LINK-USDT | $10.62 0.0043420 Eth | $3,364,714.00 316,955.850 LINK | 2.3434% |
11 | Poloniex | LINK-USDT | $10.60 0.0043351 Eth | $3,216,652.00 296,095.789 LINK | 2.1891% |
12 | Biconomy.com | LINK-USDT | $10.61 0.0043412 Eth | $3,201,113.00 295,321.090 LINK | 2.1834% |
13 | ProBit Global | LINK-USDT | $10.62 0.0043395 Eth | $2,841,462.00 267,649.248 LINK | 1.9788% |
14 | Slex | LINK-USDT | $10.62 0.0043420 Eth | $2,835,114.00 262,289.560 LINK | 1.9392% |
15 | WEEX | LINK-USDT | $10.67 0.0043539 Eth | $2,833,424.00 261,934.130 LINK | 1.9366% |
16 | Trubit | LINK-USDT | $10.61 0.0043375 Eth | $2,281,549.00 210,660.500 LINK | 1.5575% |
17 | OKX | LINK-USDT | $10.62 0.0043410 Eth | $2,104,938.00 194,639.571 LINK | 1.4390% |
18 | DigiFinex | LINK-USDT | $10.62 0.0043427 Eth | $2,040,386.00 192,051.390 LINK | 1.4199% |
19 | BTSE | LINK-USDT | $10.61 0.0043386 Eth | $1,725,636.00 162,636.900 LINK | 1.2024% |
20 | AscendEX (BitMax) | LINK-USDT | $10.63 0.0043449 Eth | $1,702,009.00 160,086.700 LINK | 1.1836% |
21 | Deepcoin | LINK-USDT | $10.62 0.0043413 Eth | $1,667,067.00 155,844.300 LINK | 1.1522% |
22 | Azbit | LINK-USDT | $10.61 0.0043383 Eth | $1,583,981.00 147,971.070 LINK | 1.0940% |
23 | Binance | LINK-BTC | $10.69 0.0043562 Eth | $1,497,814.00 138,528.830 LINK | 1.0242% |
24 | KuCoin | LINK-USDT | $10.62 0.0043404 Eth | $1,486,219.00 139,953.523 LINK | 1.0347% |
25 | XT.COM | LINK-USDT | $10.61 0.0043377 Eth | $1,485,183.00 137,558.420 LINK | 1.0170% |
26 | CoinW | LINK-USDT | $10.61 0.0043404 Eth | $1,458,449.00 137,395.830 LINK | 1.0158% |
27 | HashKey Global | LINK-USDT | $10.59 0.0043333 Eth | $992,531.00 93,288.490 LINK | 0.6897% |
28 | Azbit | LINK-ETH | $10.64 0.0043505 Eth | $935,491.00 86,612.203 LINK | 0.6404% |
29 | Crypto.com Exchange | LINK-USD | $10.61 0.0043377 Eth | $821,963.00 77,455.950 LINK | 0.5727% |
30 | FMCPAY | LINK-USDT | $10.64 0.0043506 Eth | $815,340.00 75,293.426 LINK | 0.5567% |
31 | BYDFi | LINK-USDT | $10.66 0.0043504 Eth | $800,541.00 75,123.860 LINK | 0.5554% |
32 | MEXC | LINK-USDT | $10.62 0.0043417 Eth | $788,667.00 74,289.040 LINK | 0.5492% |
33 | Gate.io | LINK-USDT | $10.61 0.0043400 Eth | $761,094.00 70,434.040 LINK | 0.5207% |
34 | Hotcoin | LINK-USDT | $10.62 0.0043409 Eth | $699,298.00 65,870.550 LINK | 0.4870% |
35 | Bitvavo | LINK-EUR | $10.61 0.0043367 Eth | $652,956.00 61,543.943 LINK | 0.4550% |
36 | HitBTC | LINK-USDT | $10.62 0.0043389 Eth | $607,127.00 55,979.640 LINK | 0.4139% |
37 | FMFW.io | LINK-USDT | $10.63 0.0043444 Eth | $595,610.00 56,028.520 LINK | 0.4142% |
38 | tanX | LINK-USDC | $10.70 0.0043584 Eth | $561,165.00 51,793.770 LINK | 0.3829% |
39 | Dex-Trade | LINK-USDT | $10.62 0.0043411 Eth | $543,763.00 51,219.060 LINK | 0.3787% |
40 | AscendEX (BitMax) | LINK-BTC | $10.58 0.0043251 Eth | $525,761.00 49,678.300 LINK | 0.3673% |
41 | Kraken | LINK-USD | $10.61 0.0043360 Eth | $482,335.00 45,460.387 LINK | 0.3361% |
42 | LATOKEN | LINK-USDT | $10.62 0.0043418 Eth | $478,063.00 45,034.775 LINK | 0.3330% |
43 | FMCPAY | LINK-BTC | $10.64 0.0043497 Eth | $472,771.00 43,776.700 LINK | 0.3237% |
44 | WhiteBIT | LINK-BTC | $10.61 0.0043365 Eth | $470,179.00 44,334.720 LINK | 0.3278% |
45 | CoinEx | LINK-USDT | $10.62 0.0043389 Eth | $422,016.00 38,914.471 LINK | 0.2877% |
46 | BingX | LINK-USDT | $10.61 0.0043378 Eth | $413,692.00 38,216.178 LINK | 0.2825% |
47 | Bithumb | LINK-KRW | $10.55 0.0043100 Eth | $350,168.00 33,202.419 LINK | 0.2455% |
48 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.61 0.0043392 Eth | $347,689.00 32,077.603 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.2372% |
49 | FMCPAY | LINK-ETH | $10.65 0.0043547 Eth | $318,721.00 29,402.400 LINK | 0.2174% |
50 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.63 0.0043453 Eth | $298,483.00 27,507.370 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2034% |
51 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.66 0.0043611 Eth | $286,517.00 26,612.076 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1968% |
52 | LATOKEN | LINK-BTC | $10.62 0.0043423 Eth | $270,716.00 25,499.083 LINK | 0.1885% |
53 | PointPay | LINK-USDT | $10.62 0.0043395 Eth | $270,156.00 25,008.704 LINK | 0.1849% |
54 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.68 0.0043673 Eth | $262,100.00 24,366.953 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1802% |
55 | Bybit | LINK-USDC | $10.61 0.0043368 Eth | $237,222.00 22,034.040 LINK | 0.1629% |
56 | BigONE | LINK-USDT | $10.59 0.0043328 Eth | $229,190.00 21,632.920 LINK | 0.1599% |
57 | EXMO | LINK-USDT | $10.62 0.0043412 Eth | $217,524.00 20,487.918 LINK | 0.1515% |
58 | ProBit Global | LINK-BTC | $10.61 0.0043377 Eth | $212,216.00 19,997.596 LINK | 0.1478% |
59 | BitMart | LINK-BTC | $10.61 0.0043391 Eth | $177,269.00 16,704.800 LINK | 0.1235% |
60 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.62 0.0043446 Eth | $151,975.00 14,123.226 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1044% |
61 | Coinbase Exchange | LINK-BTC | $10.62 0.0043411 Eth | $134,646.00 12,677.230 LINK | 0.0937% |
62 | Hotcoin | LINK-ETH | $10.63 0.0043477 Eth | $120,145.00 11,299.640 LINK | 0.0835% |
63 | Hotcoin | LINK-BTC | $10.61 0.0043366 Eth | $119,224.00 11,241.500 LINK | 0.0831% |
64 | BitDelta | LINK-USDT | $10.61 0.0043371 Eth | $104,893.00 9,694.000 LINK | 0.0717% |
65 | Slex | LINK-BTC | $10.62 0.0043425 Eth | $84,756.00 7,853.400 LINK | 0.0581% |
66 | Coinbase Exchange | LINK-ETH | $10.63 0.0043470 Eth | $84,231.00 7,923.000 LINK | 0.0586% |
67 | Slex | LINK-ETH | $10.64 0.0043535 Eth | $73,284.00 6,796.640 LINK | 0.0502% |
68 | PointPay | LINK-BTC | $10.62 0.0043403 Eth | $57,711.00 5,345.911 LINK | 0.0395% |
69 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $10.67 0.0043610 Eth | $55,092.00 5,104.192 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0377% |
70 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.65 0.0043568 Eth | $47,103.00 47,635.358 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3522% |
71 | KuCoin | LINK-USDC | $10.62 0.0043391 Eth | $44,786.00 4,218.739 LINK | 0.0312% |
72 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.68 0.0043675 Eth | $41,191.00 41,661.978 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3080% |
73 | Bitget | LINK-EUR | $10.58 0.0043254 Eth | $37,288.00 3,449.240 LINK | 0.0255% |
74 | EXMO | LINK-BTC | $10.64 0.0043487 Eth | $31,656.00 2,976.442 LINK | 0.0220% |
75 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.63 0.0043453 Eth | $22,079.00 22,415.262 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.1657% |
76 | Binance US | LINK-USDT | $10.63 0.0043460 Eth | $20,634.00 1,941.942 LINK | 0.0144% |
77 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.65 0.0043568 Eth | $20,495.00 1,900.976 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0141% |
78 | Coinone | LINK-KRW | $10.66 0.0043560 Eth | $18,813.69 1,765.407 LINK | 0.0131% |
79 | KuCoin | LINK-BTC | $10.62 0.0043391 Eth | $17,535.79 1,651.819 LINK | 0.0122% |
80 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.63 0.0043446 Eth | $16,853.76 1,565.153 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0116% |
81 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.60 0.0043342 Eth | $13,651.44 1,250.010 0X5947BB275C521040051D82396192181B413227A3 | 0.0092% |
82 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.65 0.0043553 Eth | $10,893.86 1,007.748 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0075% |
83 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $10.69 0.0043616 Eth | $6,389.80 604.809 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0045% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.64 0.0043536 Eth | $4,813.35 447.247 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0033% |
85 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $10.63 0.0043454 Eth | $4,693.56 435.798 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0032% |
86 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.68 0.0043673 Eth | $3,990.26 4,011.082 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0297% |
87 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $10.67 0.0043624 Eth | $3,103.21 283.528 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0021% |
88 | CoinEx | LINK-BTC | $10.66 0.0043564 Eth | $2,107.78 195.110 LINK | 0.0014% |
89 | CoinEx | LINK-USDC | $10.62 0.0043400 Eth | $2,085.54 192.992 LINK | 0.0014% |
90 | CEX.IO | LINK-USDT | $10.61 0.0043398 Eth | $2,020.71 187.682 LINK | 0.0014% |
91 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.68 0.0043663 Eth | $1,589.16 147.087 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0011% |
92 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $10.62 0.0043451 Eth | $1,272.87 118.205 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0009% |
93 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991 | $10.65 0.0043531 Eth | $1,118.68 102.885 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0008% |
94 | Lydia Finance | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.64 0.0043499 Eth | $746.72 68.189 0X5947BB275C521040051D82396192181B413227A3 | 0.0005% |
95 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $10.65 0.0043562 Eth | $606.70 56.092 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0004% |
96 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.54 0.0043110 Eth | $457.56 41.774 0X5947BB275C521040051D82396192181B413227A3 | 0.0003% |
97 | Solidly V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.69 0.0043588 Eth | $175.72 16.265 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0001% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XB33EAAD8D922B1083446DC23F610C2567FB5180F | $10.69 0.0043587 Eth | $140.09 13.255 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0001% |
99 | Uniswap V3 (Arbitrum One) | 0X912CE59144191C1204E64559FE8253A0E49E6548-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.70 0.0043623 Eth | $138.74 264.616 0X912CE59144191C1204E64559FE8253A0E49E6548 | 0.0020% |
100 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X8F3CF7AD23CD3CADBD9735AFF958023239C6A063 | $10.66 0.0043450 Eth | $110.28 10.179 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0001% |
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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