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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
732,903 ( -0.043%)
Market
Price
$18.23 @ 0.006954 ETH (-2.59%)
Onchain Market Cap
$18,230,000,000.00
Circulating Supply Market Cap
$11,652,095,462.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | LINK-USDT | $18.19 0.0069470 Eth | $61,114,378.00 3,355,282.840 LINK | 21.5491% |
2 | Coinbase Exchange | LINK-USD | $18.28 0.0069739 Eth | $31,313,449.00 1,713,458.220 LINK | 11.0046% |
3 | Bybit | LINK-USDT | $18.18 0.0069433 Eth | $25,941,802.00 1,422,372.139 LINK | 9.1351% |
4 | HTX | LINK-USDT | $18.19 0.0069462 Eth | $20,709,519.00 1,136,413.490 LINK | 7.2985% |
5 | Slex | LINK-USDT | $18.26 0.0069703 Eth | $12,738,862.00 697,483.220 LINK | 4.4795% |
6 | P2B | LINK-USDT | $18.28 0.0069697 Eth | $12,647,400.00 691,922.700 LINK | 4.4438% |
7 | Gate.io | LINK-USDT | $18.27 0.0069708 Eth | $9,508,378.00 521,313.820 LINK | 3.3481% |
8 | Binance | LINK-USDC | $18.21 0.0069704 Eth | $7,862,616.00 432,582.600 LINK | 2.7782% |
9 | MEXC | LINK-USDT | $18.23 0.0069567 Eth | $7,632,623.00 418,692.200 LINK | 2.6890% |
10 | OKX | LINK-USDT | $18.21 0.0069521 Eth | $7,570,529.00 415,265.557 LINK | 2.6670% |
11 | XT.COM | LINK-USDT | $18.25 0.0069689 Eth | $6,168,008.00 338,293.110 LINK | 2.1727% |
12 | Coinstore | LINK-USDT | $18.16 0.0069361 Eth | $5,467,813.00 300,256.530 LINK | 1.9284% |
13 | BTSE | LINK-USDT | $18.24 0.0069617 Eth | $5,254,686.00 288,050.004 LINK | 1.8500% |
14 | KuCoin | LINK-USDT | $18.20 0.0069500 Eth | $4,506,053.00 247,610.881 LINK | 1.5903% |
15 | Bitunix | LINK-USDT | $18.23 0.0069604 Eth | $4,401,463.00 241,531.680 LINK | 1.5512% |
16 | CoinW | LINK-USDT | $18.24 0.0069591 Eth | $4,397,526.00 241,059.260 LINK | 1.5482% |
17 | Binance | LINK-FDUSD | $18.38 0.0070150 Eth | $4,385,838.00 238,899.290 LINK | 1.5343% |
18 | Hotcoin | LINK-USDT | $18.24 0.0069585 Eth | $3,894,557.00 213,506.730 LINK | 1.3712% |
19 | BYDFi | LINK-USDT | $18.08 0.0069513 Eth | $3,495,344.00 193,353.340 LINK | 1.2418% |
20 | LATOKEN | LINK-USDT | $18.23 0.0069548 Eth | $3,032,783.00 166,351.187 LINK | 1.0684% |
21 | Kraken | LINK-USD | $18.20 0.0069518 Eth | $2,834,027.00 155,692.224 LINK | 0.9999% |
22 | Coinbase Exchange | LINK-EUR | $18.26 0.0069643 Eth | $2,807,396.00 153,746.550 LINK | 0.9874% |
23 | QMall | LINK-USDT | $18.29 0.0069801 Eth | $2,429,653.00 133,470.149 LINK | 0.8572% |
24 | Bitvavo | LINK-EUR | $18.29 0.0070012 Eth | $2,420,139.00 132,291.526 LINK | 0.8496% |
25 | FMCPAY | LINK-USDT | $18.23 0.0069576 Eth | $2,205,782.00 121,076.926 LINK | 0.7776% |
26 | Dex-Trade | LINK-USDT | $18.27 0.0069728 Eth | $2,011,792.00 110,106.840 LINK | 0.7072% |
27 | Biconomy.com | LINK-USDT | $18.24 0.0069574 Eth | $1,435,762.00 78,826.510 LINK | 0.5063% |
28 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.25 0.0069596 Eth | $1,318,925.00 72,348.117 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4647% |
29 | Coinbase Exchange | LINK-GBP | $18.24 0.0069622 Eth | $1,169,195.00 64,086.260 LINK | 0.4116% |
30 | FMCPAY | LINK-ETH | $18.26 0.0069677 Eth | $1,127,736.00 61,987.360 LINK | 0.3981% |
31 | PancakeSwap (v2) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.27 0.0069650 Eth | $1,072,918.00 33,057.055 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.2123% |
32 | CoinEx | LINK-USDT | $18.23 0.0069766 Eth | $1,067,663.00 58,515.111 LINK | 0.3758% |
33 | FMCPAY | LINK-BTC | $18.24 0.0069615 Eth | $1,037,900.00 57,032.900 LINK | 0.3663% |
34 | tanX | LINK-USDC | $18.29 0.0069754 Eth | $937,296.00 51,670.990 LINK | 0.3319% |
35 | Camelot V3 | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.18 0.0069439 Eth | $936,793.00 51,382.796 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.3300% |
36 | PointPay | LINK-USDT | $18.23 0.0069562 Eth | $924,851.00 50,817.215 LINK | 0.3264% |
37 | Gemini | LINK-USD | $18.25 0.0069694 Eth | $761,219.00 41,706.629 LINK | 0.2679% |
38 | EXMO | LINK-USDT | $18.25 0.0069654 Eth | $642,631.00 35,208.078 LINK | 0.2261% |
39 | Phemex | LINK-USDT | $18.25 0.0069573 Eth | $637,570.00 34,937.320 LINK | 0.2244% |
40 | QMall | LINK-USDC | $18.23 0.0069560 Eth | $605,764.00 33,376.483 LINK | 0.2144% |
41 | BigONE | LINK-USDT | $18.32 0.0069924 Eth | $478,006.00 26,088.070 LINK | 0.1675% |
42 | Bitbank | LINK-JPY | $18.27 0.0069706 Eth | $469,310.00 25,693.589 LINK | 0.1650% |
43 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $18.28 0.0069799 Eth | $447,024.00 24,512.988 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1574% |
44 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.26 0.0069687 Eth | $443,058.00 23,307.899 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1497% |
45 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.18 0.0069437 Eth | $433,494.00 23,227.774 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1492% |
46 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $18.28 0.0069789 Eth | $408,810.00 45,530.711 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2924% |
47 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.27 0.0069779 Eth | $388,479.00 21,303.288 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1368% |
48 | Binance | LINK-TRY | $18.38 0.0070335 Eth | $367,228.00 19,978.680 LINK | 0.1283% |
49 | Slex | LINK-ETH | $18.25 0.0069698 Eth | $291,846.00 16,041.210 LINK | 0.1030% |
50 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.23 0.0069623 Eth | $287,601.00 15,770.084 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1013% |
51 | BitMart | LINK-BTC | $18.24 0.0069642 Eth | $276,069.00 15,136.960 LINK | 0.0972% |
52 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $18.29 0.0069737 Eth | $267,709.00 14,702.094 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0944% |
53 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.27 0.0069759 Eth | $243,487.00 243,473.190 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 1.5637% |
54 | Coinbase Exchange | LINK-BTC | $18.22 0.0069521 Eth | $219,337.00 12,039.840 LINK | 0.0773% |
55 | LATOKEN | LINK-BTC | $18.25 0.0069615 Eth | $216,871.00 11,884.136 LINK | 0.0763% |
56 | OKX | LINK-USDC | $18.24 0.0069652 Eth | $212,078.00 11,689.873 LINK | 0.0751% |
57 | Coinbase Exchange | LINK-ETH | $18.25 0.0069648 Eth | $209,058.00 11,454.420 LINK | 0.0736% |
58 | Bitkub | LINK-THB | $18.15 0.0069775 Eth | $200,954.00 11,072.927 LINK | 0.0711% |
59 | HashKey Exchange | LINK-USD | $18.27 0.0069739 Eth | $191,136.00 10,454.869 LINK | 0.0671% |
60 | KuCoin | LINK-USDC | $18.27 0.0069780 Eth | $170,908.00 9,353.851 LINK | 0.0601% |
61 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $18.27 0.0069651 Eth | $153,431.00 8,409.820 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0540% |
62 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.25 0.0069650 Eth | $140,519.00 7,686.018 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0494% |
63 | CoinTR | LINK-TRY | $18.45 0.0070483 Eth | $137,112.00 7,478.550 LINK | 0.0480% |
64 | Hotcoin | LINK-BTC | $18.25 0.0069594 Eth | $135,919.00 7,445.700 LINK | 0.0478% |
65 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $18.27 0.0069774 Eth | $123,687.00 6,793.627 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0436% |
66 | BYDFi | LINK-USDC | $18.26 0.0069699 Eth | $123,404.00 6,758.760 LINK | 0.0434% |
67 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $18.26 0.0069618 Eth | $100,031.00 5,486.884 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0352% |
68 | BitStorage | LINK-ETH | $18.27 0.0069710 Eth | $92,969.00 5,089.400 LINK | 0.0327% |
69 | Bitso | LINK-USD | $18.26 0.0069626 Eth | $81,248.00 4,449.508 LINK | 0.0286% |
70 | BitMart | LINK-ETH | $18.27 0.0069745 Eth | $74,892.00 4,100.260 LINK | 0.0263% |
71 | CoinEx | LINK-USDC | $18.13 0.0069414 Eth | $67,971.00 3,722.381 LINK | 0.0239% |
72 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $18.16 0.0069228 Eth | $66,251.00 3,632.328 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0233% |
73 | WhiteBIT | LINK-BTC | $18.20 0.0069503 Eth | $65,357.00 3,591.240 LINK | 0.0231% |
74 | WhiteBIT | LINK-TRY | $18.47 0.0070582 Eth | $61,374.00 3,322.220 LINK | 0.0213% |
75 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.25 0.0069587 Eth | $61,321.00 61,168.919 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.3929% |
76 | Binance US | LINK-USDT | $18.24 0.0069661 Eth | $46,872.00 2,569.309 LINK | 0.0165% |
77 | Mercado Bitcoin | LINK-BRL | $18.34 0.0069958 Eth | $44,906.00 2,448.723 LINK | 0.0157% |
78 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $18.26 0.0069612 Eth | $37,731.00 2,069.016 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0133% |
79 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $18.28 0.0069789 Eth | $35,662.00 1,949.912 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0125% |
80 | Hotcoin | LINK-ETH | $18.28 0.0069701 Eth | $35,454.00 1,939.570 LINK | 0.0125% |
81 | LFJ | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.29 0.0069719 Eth | $35,210.00 1,929.815 0X5947BB275C521040051D82396192181B413227A3 | 0.0124% |
82 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $18.28 0.0069741 Eth | $23,337.00 1,280.973 0X5947BB275C521040051D82396192181B413227A3 | 0.0082% |
83 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $18.27 0.0069770 Eth | $23,269.00 36.510 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
84 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $18.28 0.0069799 Eth | $21,226.00 1,143.582 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0073% |
85 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0 | $18.19 0.0069458 Eth | $16,585.36 900.990 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0058% |
86 | HTX | LINK-BTC | $18.19 0.0069470 Eth | $12,749.99 703.619 LINK | 0.0045% |
87 | Dex-Trade | LINK-ETH | $18.26 0.0069736 Eth | $12,619.44 691.100 LINK | 0.0044% |
88 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $18.28 0.0069687 Eth | $11,898.44 11,895.414 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0764% |
89 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $18.25 0.0069696 Eth | $10,714.23 587.739 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0038% |
90 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $18.24 0.0069635 Eth | $10,535.40 579.363 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0037% |
91 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $18.25 0.0069635 Eth | $9,750.03 534.215 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0034% |
92 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $18.24 0.0069649 Eth | $8,683.24 36.789 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
93 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.20 0.0069379 Eth | $7,919.70 434.749 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0028% |
94 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $18.25 0.0069587 Eth | $6,532.58 358.331 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0023% |
95 | Biswap V3 | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.25 0.0069581 Eth | $6,207.52 324.951 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0021% |
96 | PancakeSwap V1 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $18.26 0.0069679 Eth | $5,407.66 283.091 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0018% |
97 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD93F7E271CB87C23AAA73EDC008A79646D1F9912 | $18.09 0.0069082 Eth | $5,399.05 292.352 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0019% |
98 | Bitexen | LINK-TRY | $18.25 0.0069755 Eth | $3,748.20 205.343 LINK | 0.0013% |
99 | Uniswap V4 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $18.20 0.0069485 Eth | $3,569.43 194.696 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0013% |
100 | Ace | LINK-USDT | $18.18 0.0069299 Eth | $2,693.84 147.420 LINK | 0.0009% |
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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