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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
721,175 ( 0.001%)
Market
Price
$10.77 @ 0.004499 ETH (-4.00%)
Onchain Market Cap
$10,770,000,000.00
Circulating Supply Market Cap
$6,753,330,222.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
0 LINKValue
$0.00Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $10.77 0.0044962 Eth | $33,930,387.00 3,137,008.960 LINK | 20.5076% |
2 | Coinbase Exchange | LINK-USD | $10.78 0.0045051 Eth | $20,549,319.00 1,906,952.350 LINK | 12.4663% |
3 | HTX | LINK-USDT | $10.77 0.0045027 Eth | $14,953,449.00 1,367,790.953 LINK | 8.9417% |
4 | Bitget | LINK-USDT | $10.79 0.0045035 Eth | $9,856,932.00 907,690.967 LINK | 5.9338% |
5 | P2B | LINK-USDT | $10.77 0.0045010 Eth | $6,713,325.00 623,395.550 LINK | 4.0753% |
6 | Slex | LINK-USDT | $10.76 0.0044967 Eth | $6,430,348.00 590,034.840 LINK | 3.8572% |
7 | OKX | LINK-USDT | $10.79 0.0045053 Eth | $5,952,632.00 548,906.011 LINK | 3.5884% |
8 | Azbit | LINK-USDT | $10.76 0.0045002 Eth | $5,301,535.00 486,513.242 LINK | 3.1805% |
9 | DigiFinex | LINK-USDT | $10.79 0.0045074 Eth | $4,427,617.00 410,162.710 LINK | 2.6814% |
10 | Biconomy.com | LINK-USDT | $10.77 0.0045036 Eth | $4,340,194.00 398,693.920 LINK | 2.6064% |
11 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.72 0.0044826 Eth | $4,257,382.00 399,413.192 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 2.6111% |
12 | KuCoin | LINK-USDT | $10.79 0.0045046 Eth | $4,029,829.00 373,600.824 LINK | 2.4423% |
13 | XT.COM | LINK-USDT | $10.77 0.0045009 Eth | $3,199,774.00 295,840.040 LINK | 1.9340% |
14 | ProBit Global | LINK-USDT | $10.77 0.0045045 Eth | $2,767,725.00 256,868.393 LINK | 1.6792% |
15 | CoinW | LINK-USDT | $10.76 0.0045002 Eth | $2,667,487.00 247,804.030 LINK | 1.6200% |
16 | Coinstore | LINK-USDT | $10.78 0.0045057 Eth | $2,086,090.00 192,517.720 LINK | 1.2585% |
17 | Kraken | LINK-USD | $10.77 0.0044987 Eth | $1,941,783.00 180,256.360 LINK | 1.1784% |
18 | Trubit | LINK-USDT | $10.76 0.0044999 Eth | $1,766,844.00 163,459.740 LINK | 1.0686% |
19 | AscendEX (BitMax) | LINK-USDT | $10.81 0.0045152 Eth | $1,673,413.00 154,753.400 LINK | 1.0117% |
20 | Bitunix | LINK-USDT | $10.78 0.0045082 Eth | $1,654,183.00 153,500.130 LINK | 1.0035% |
21 | BYDFi | LINK-USDT | $10.77 0.0045021 Eth | $1,621,655.00 150,585.840 LINK | 0.9844% |
22 | WhiteBIT | LINK-BTC | $10.77 0.0044994 Eth | $1,483,053.00 137,765.130 LINK | 0.9006% |
23 | FameEX | LINK-USDT | $10.76 0.0044996 Eth | $1,355,658.00 125,311.490 LINK | 0.8192% |
24 | BTSE | LINK-USDT | $10.77 0.0045010 Eth | $1,253,934.00 116,440.715 LINK | 0.7612% |
25 | Dex-Trade | LINK-USDT | $10.80 0.0045090 Eth | $1,122,777.00 103,989.080 LINK | 0.6798% |
26 | FMCPAY | LINK-USDT | $10.76 0.0044979 Eth | $1,002,774.00 92,259.684 LINK | 0.6031% |
27 | Azbit | LINK-ETH | $10.77 0.0045031 Eth | $896,056.00 83,611.212 LINK | 0.5466% |
28 | Bitexen | LINK-USDT | $10.78 0.0045084 Eth | $856,466.00 79,421.140 LINK | 0.5192% |
29 | Bitvavo | LINK-EUR | $10.76 0.0044939 Eth | $849,267.00 78,911.039 LINK | 0.5159% |
30 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.76 0.0044912 Eth | $805,285.00 75,555.567 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4939% |
31 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.78 0.0045047 Eth | $780,068.00 71,768.744 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.4692% |
32 | Bitexen | LINK-TRY | $10.80 0.0045154 Eth | $685,434.00 63,461.820 LINK | 0.4149% |
33 | WhiteBIT | LINK-EUR | $10.74 0.0044886 Eth | $624,441.00 58,146.160 LINK | 0.3801% |
34 | FMCPAY | LINK-BTC | $10.77 0.0045010 Eth | $601,939.00 55,261.700 LINK | 0.3613% |
35 | tanX | LINK-USDC | $10.78 0.0045054 Eth | $585,856.00 53,602.950 LINK | 0.3504% |
36 | PointPay | LINK-USDT | $10.77 0.0045017 Eth | $566,886.00 52,401.662 LINK | 0.3426% |
37 | BigONE | LINK-USDT | $10.79 0.0045096 Eth | $533,306.00 49,438.620 LINK | 0.3232% |
38 | FMCPAY | LINK-ETH | $10.76 0.0044999 Eth | $528,520.00 49,336.480 LINK | 0.3225% |
39 | AscendEX (BitMax) | LINK-BTC | $10.72 0.0044769 Eth | $506,677.00 47,257.300 LINK | 0.3089% |
40 | LATOKEN | LINK-USDT | $10.78 0.0045007 Eth | $476,312.00 44,196.873 LINK | 0.2889% |
41 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.79 0.0045121 Eth | $466,848.00 43,622.026 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2852% |
42 | ProBit Global | LINK-BTC | $10.77 0.0045034 Eth | $414,065.00 38,438.088 LINK | 0.2513% |
43 | EXMO | LINK-USDT | $10.79 0.0045059 Eth | $403,911.00 37,435.028 LINK | 0.2447% |
44 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.78 0.0045052 Eth | $400,749.00 37,428.400 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2447% |
45 | CoinEx | LINK-USDT | $10.79 0.0045055 Eth | $395,845.00 36,198.487 LINK | 0.2366% |
46 | Bybit | LINK-USDC | $10.78 0.0045016 Eth | $388,558.00 35,946.427 LINK | 0.2350% |
47 | Phemex | LINK-USDT | $10.77 0.0045019 Eth | $367,800.00 34,154.740 LINK | 0.2233% |
48 | EarnBIT | LINK-USDT | $10.77 0.0045036 Eth | $287,906.00 26,554.138 LINK | 0.1736% |
49 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.74 0.0044909 Eth | $251,882.00 23,632.521 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1545% |
50 | Coinbase Exchange | LINK-EUR | $10.78 0.0045017 Eth | $225,066.00 20,875.970 LINK | 0.1365% |
51 | Binance | LINK-EUR | $10.77 0.0045028 Eth | $219,499.00 20,221.880 LINK | 0.1322% |
52 | LATOKEN | LINK-BTC | $10.77 0.0044975 Eth | $215,948.00 20,051.950 LINK | 0.1311% |
53 | OKX | LINK-USDC | $10.81 0.0045144 Eth | $199,742.00 18,440.172 LINK | 0.1205% |
54 | BitDelta | LINK-USDT | $10.79 0.0045045 Eth | $176,157.00 16,189.000 LINK | 0.1058% |
55 | Binance | LINK-BRL | $10.83 0.0045219 Eth | $167,905.00 15,678.720 LINK | 0.1025% |
56 | BitMart | LINK-BTC | $10.77 0.0045013 Eth | $167,152.00 15,519.640 LINK | 0.1015% |
57 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $10.79 0.0045050 Eth | $161,063.00 14,797.248 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0967% |
58 | Bitbank | LINK-JPY | $10.81 0.0045143 Eth | $157,382.00 14,557.003 LINK | 0.0952% |
59 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $10.80 0.0045143 Eth | $154,719.00 14,318.863 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0936% |
60 | BYDFi | LINK-USDC | $10.78 0.0045017 Eth | $144,670.00 13,418.920 LINK | 0.0877% |
61 | Coinbase Exchange | LINK-GBP | $10.80 0.0045092 Eth | $132,882.00 12,305.040 LINK | 0.0804% |
62 | Binance | LINK-TRY | $10.80 0.0045114 Eth | $110,815.00 10,195.150 LINK | 0.0666% |
63 | Bitci TR | LINK-TRY | $10.87 0.0045424 Eth | $109,263.00 9,997.410 LINK | 0.0654% |
64 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.81 0.0045175 Eth | $102,774.00 103,109.333 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.6741% |
65 | Slex | LINK-BTC | $10.78 0.0045051 Eth | $101,385.00 9,354.700 LINK | 0.0612% |
66 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.74 0.0044912 Eth | $100,290.00 101,128.549 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6611% |
67 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.81 0.0045175 Eth | $96,638.00 8,913.577 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0583% |
68 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $10.78 0.0045053 Eth | $80,661.00 7,567.353 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0495% |
69 | WhiteBIT | LINK-TRY | $10.82 0.0045233 Eth | $80,345.00 7,424.140 LINK | 0.0485% |
70 | GMO Japan | LINK-JPY | $10.82 0.0045235 Eth | $78,323.00 7,238.500 LINK | 0.0473% |
71 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $10.76 0.0044952 Eth | $76,980.00 7,298.517 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0477% |
72 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.76 0.0044994 Eth | $71,765.00 6,608.159 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0432% |
73 | PointPay | LINK-BTC | $10.77 0.0044972 Eth | $69,373.00 6,392.461 LINK | 0.0418% |
74 | Coinbase Exchange | LINK-ETH | $10.72 0.0044819 Eth | $65,539.00 6,113.250 LINK | 0.0400% |
75 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $10.70 0.0044682 Eth | $61,696.00 5,710.433 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0373% |
76 | Bitget | LINK-EUR | $10.81 0.0045127 Eth | $60,222.00 5,532.860 LINK | 0.0362% |
77 | Slex | LINK-ETH | $10.76 0.0044972 Eth | $57,407.00 5,368.620 LINK | 0.0351% |
78 | LATOKEN | LINK-ETH | $10.79 0.0045042 Eth | $52,224.00 4,842.060 LINK | 0.0317% |
79 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $10.79 0.0045105 Eth | $51,244.00 4,728.887 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0309% |
80 | BTCMarkets | LINK-AUD | $10.67 0.0044591 Eth | $42,974.00 4,028.688 LINK | 0.0263% |
81 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $10.68 0.0044604 Eth | $41,376.00 3,909.698 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0256% |
82 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $10.79 0.0045038 Eth | $41,072.00 41,244.611 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.2696% |
83 | EXMO | LINK-BTC | $10.77 0.0044975 Eth | $38,112.00 3,538.929 LINK | 0.0231% |
84 | Foxbit | LINK-BRL | $10.80 0.0045145 Eth | $35,190.00 3,251.413 LINK | 0.0213% |
85 | Mercado Bitcoin | LINK-BRL | $10.84 0.0045274 Eth | $33,407.00 3,081.008 LINK | 0.0201% |
86 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $10.69 0.0044647 Eth | $32,285.00 2,993.842 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0196% |
87 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $10.79 0.0045107 Eth | $20,734.00 1,907.590 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0125% |
88 | Binance US | LINK-USDT | $10.76 0.0044919 Eth | $17,581.99 1,634.352 LINK | 0.0107% |
89 | KuCoin | LINK-KCS | $10.76 0.0044956 Eth | $13,960.71 1,296.879 LINK | 0.0085% |
90 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $10.76 0.0044912 Eth | $13,196.47 13,314.983 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0870% |
91 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.82 0.0045196 Eth | $11,458.06 1,085.259 0X5947BB275C521040051D82396192181B413227A3 | 0.0071% |
92 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $10.81 0.0045155 Eth | $10,103.51 969.851 0X5947BB275C521040051D82396192181B413227A3 | 0.0063% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $10.78 0.0045058 Eth | $8,169.83 752.184 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0049% |
94 | Ramses V2 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.74 0.0044889 Eth | $5,897.38 552.069 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0036% |
95 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $10.73 0.0044858 Eth | $4,857.51 455.127 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0030% |
96 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $10.74 0.0044886 Eth | $4,856.64 452.663 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0030% |
97 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $10.78 0.0045078 Eth | $3,947.60 365.128 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0024% |
98 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $10.74 0.0044888 Eth | $3,106.73 291.660 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0019% |
99 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $10.79 0.0045111 Eth | $2,807.98 259.012 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0017% |
100 | CoinEx | LINK-BTC | $10.82 0.0045169 Eth | $2,734.28 252.245 LINK | 0.0016% |
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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