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ERC-20
Oracle
Overview
Max Total Supply
1,000,000,000 LINK
Holders
730,523 ( 0.022%)
Market
Price
$25.33 @ 0.007641 ETH (+0.81%)
Onchain Market Cap
$25,330,000,000.00
Circulating Supply Market Cap
$16,164,939,324.00
Other Info
Token Contract (WITH 18 Decimals)
Filtered by Token Holder
Binance Dep: 0xDD694d9f0cfC66A088A29999e03088aC72721F22Balance
0 LINKValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Websea | LINK-USDT | $25.33 0.0076403 Eth | $65,005,584.00 0.000 LINK | 0.0000% |
2 | Binance | LINK-USDT | $25.37 0.0076545 Eth | $64,250,807.00 2,541,207.560 LINK | 19.4058% |
3 | Coinbase Exchange | LINK-USD | $25.36 0.0076475 Eth | $33,154,210.00 1,307,394.220 LINK | 9.9838% |
4 | Bybit | LINK-USDT | $25.33 0.0076393 Eth | $25,125,383.00 992,875.907 LINK | 7.5820% |
5 | WEEX | LINK-USDT | $25.32 0.0076369 Eth | $22,478,934.00 888,859.300 LINK | 6.7877% |
6 | P2B | LINK-USDT | $25.34 0.0076431 Eth | $13,768,791.00 543,449.100 LINK | 4.1500% |
7 | HTX | LINK-USDT | $25.36 0.0076476 Eth | $13,068,295.00 517,043.405 LINK | 3.9484% |
8 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.39 0.0076609 Eth | $10,771,189.00 428,688.402 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 3.2737% |
9 | OKX | LINK-USDT | $25.37 0.0076504 Eth | $10,734,827.00 423,941.746 LINK | 3.2374% |
10 | DigiFinex | LINK-USDT | $25.33 0.0076404 Eth | $8,357,539.00 329,883.590 LINK | 2.5191% |
11 | BVOX | LINK-USDT | $25.38 0.0076536 Eth | $7,417,406.00 293,571.910 LINK | 2.2418% |
12 | Deepcoin | LINK-USDT | $25.35 0.0076435 Eth | $7,406,393.00 316,655.200 LINK | 2.4181% |
13 | Gate.io | LINK-USDT | $25.36 0.0076478 Eth | $6,395,554.00 252,989.400 LINK | 1.9319% |
14 | Azbit | LINK-USDT | $25.34 0.0076427 Eth | $6,373,992.00 252,182.691 LINK | 1.9258% |
15 | XT.COM | LINK-USDT | $25.34 0.0076431 Eth | $6,344,889.00 250,947.480 LINK | 1.9163% |
16 | FameEX | LINK-USDT | $25.33 0.0076416 Eth | $6,327,072.00 250,237.754 LINK | 1.9109% |
17 | KuCoin | LINK-USDT | $25.36 0.0076490 Eth | $6,014,530.00 237,121.321 LINK | 1.8108% |
18 | Coinstore | LINK-USDT | $25.35 0.0076482 Eth | $5,951,336.00 235,503.810 LINK | 1.7984% |
19 | Bitunix | LINK-USDT | $25.36 0.0076481 Eth | $5,344,965.00 210,789.550 LINK | 1.6097% |
20 | BTSE | LINK-USDT | $25.30 0.0076398 Eth | $4,203,613.00 166,140.539 LINK | 1.2687% |
21 | CoinW | LINK-USDT | $25.34 0.0076418 Eth | $3,992,027.00 157,554.000 LINK | 1.2032% |
22 | BYDFi | LINK-USDT | $25.28 0.0076379 Eth | $3,675,012.00 145,391.540 LINK | 1.1103% |
23 | Coinbase Exchange | LINK-EUR | $25.36 0.0076475 Eth | $3,340,698.00 131,739.650 LINK | 1.0060% |
24 | Kraken | LINK-USD | $25.34 0.0076406 Eth | $3,041,407.00 120,038.488 LINK | 0.9167% |
25 | LATOKEN | LINK-USDT | $25.31 0.0076341 Eth | $3,029,783.00 119,719.044 LINK | 0.9142% |
26 | FMCPAY | LINK-USDT | $25.36 0.0076465 Eth | $3,010,534.00 118,958.710 LINK | 0.9084% |
27 | Bitvavo | LINK-EUR | $25.36 0.0076529 Eth | $2,576,857.00 101,592.518 LINK | 0.7758% |
28 | QMall | LINK-USDT | $25.30 0.0076310 Eth | $2,493,389.00 98,564.751 LINK | 0.7527% |
29 | Hotcoin | LINK-USDT | $25.34 0.0076431 Eth | $2,273,355.00 89,700.480 LINK | 0.6850% |
30 | Bitstamp | LINK-USD | $25.37 0.0076506 Eth | $2,101,489.00 82,833.615 LINK | 0.6326% |
31 | Dex-Trade | LINK-USDT | $25.33 0.0076403 Eth | $2,061,611.00 81,395.494 LINK | 0.6216% |
32 | FMCPAY | LINK-ETH | $25.35 0.0076465 Eth | $1,688,001.00 66,976.960 LINK | 0.5115% |
33 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.25 0.0076136 Eth | $1,631,382.00 64,846.934 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.4952% |
34 | Bitstamp | LINK-EUR | $25.33 0.0076376 Eth | $1,441,720.00 56,924.587 LINK | 0.4347% |
35 | FMCPAY | LINK-BTC | $25.33 0.0076425 Eth | $1,409,876.00 55,685.200 LINK | 0.4252% |
36 | CoinEx | LINK-USDT | $25.28 0.0076303 Eth | $1,308,106.00 51,577.014 LINK | 0.3939% |
37 | Coinbase Exchange | LINK-GBP | $25.34 0.0076426 Eth | $1,284,886.00 50,698.770 LINK | 0.3872% |
38 | OKX | LINK-USDC | $25.31 0.0076321 Eth | $1,165,102.00 45,778.823 LINK | 0.3496% |
39 | tanX | LINK-USDC | $25.34 0.0076434 Eth | $1,090,876.00 43,074.740 LINK | 0.3289% |
40 | PointPay | LINK-USDT | $25.32 0.0076451 Eth | $969,339.00 38,336.194 LINK | 0.2928% |
41 | Pionex | LINK-USDT | $25.34 0.0076422 Eth | $886,839.00 35,074.410 LINK | 0.2678% |
42 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.23 0.0076095 Eth | $796,270.00 31,689.025 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.2420% |
43 | WhiteBIT | LINK-TRY | $25.45 0.0076762 Eth | $735,069.00 28,886.090 LINK | 0.2206% |
44 | EXMO | LINK-USDT | $25.36 0.0076481 Eth | $725,861.00 28,620.925 LINK | 0.2186% |
45 | Phemex | LINK-USDT | $25.34 0.0076415 Eth | $664,580.00 26,231.580 LINK | 0.2003% |
46 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.31 0.0076346 Eth | $507,646.00 20,068.218 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1532% |
47 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9 | $25.25 0.0076136 Eth | $494,231.00 19,634.359 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.1499% |
48 | Coinbase Exchange | LINK-USDT | $25.34 0.0076405 Eth | $467,285.00 18,443.280 LINK | 0.1408% |
49 | WhiteBIT | LINK-BTC | $25.33 0.0076502 Eth | $441,512.00 17,427.830 LINK | 0.1331% |
50 | PancakeSwap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.36 0.0076483 Eth | $441,494.00 17,441.984 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.1332% |
51 | Bitbank | LINK-JPY | $25.36 0.0076500 Eth | $437,341.00 17,245.643 LINK | 0.1317% |
52 | Gemini | LINK-USD | $25.32 0.0076370 Eth | $381,620.00 15,068.907 LINK | 0.1151% |
53 | BigONE | LINK-USDT | $25.28 0.0076355 Eth | $373,275.00 14,767.360 LINK | 0.1128% |
54 | Uniswap V3 (Ethereum) | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA | $25.44 0.0076712 Eth | $371,748.00 30,292.425 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.2313% |
55 | Quickswap (v3) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.27 0.0076209 Eth | $371,658.00 14,742.253 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1126% |
56 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.38 0.0076567 Eth | $343,091.00 13,592.389 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.1038% |
57 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.38 0.0076567 Eth | $317,981.00 316,478.108 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 2.4168% |
58 | BitMart | LINK-BTC | $25.31 0.0076351 Eth | $303,049.00 11,973.180 LINK | 0.0914% |
59 | QMall | LINK-USDC | $25.34 0.0076449 Eth | $294,078.00 11,602.632 LINK | 0.0886% |
60 | LATOKEN | LINK-BTC | $25.32 0.0076369 Eth | $267,438.00 10,561.560 LINK | 0.0807% |
61 | Coinbase Exchange | LINK-BTC | $25.30 0.0076324 Eth | $263,224.00 10,403.640 LINK | 0.0794% |
62 | Slex | LINK-ETH | $25.33 0.0076401 Eth | $263,201.00 10,458.430 LINK | 0.0799% |
63 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $25.38 0.0076565 Eth | $221,102.00 8,748.949 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0668% |
64 | BitStorage | LINK-ETH | $25.38 0.0076529 Eth | $208,888.00 8,231.090 LINK | 0.0629% |
65 | DeGate | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.36 0.0076499 Eth | $183,750.00 7,264.539 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0555% |
66 | GMO Japan | LINK-JPY | $25.30 0.0076300 Eth | $165,692.00 6,548.600 LINK | 0.0500% |
67 | Bitso | LINK-USD | $25.38 0.0076521 Eth | $147,637.00 5,818.181 LINK | 0.0444% |
68 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $25.25 0.0076199 Eth | $111,308.00 4,399.869 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0336% |
69 | BitMart | LINK-ETH | $25.33 0.0076411 Eth | $95,825.00 3,782.960 LINK | 0.0289% |
70 | Solidly V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $25.30 0.0076317 Eth | $93,932.00 3,725.986 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0285% |
71 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.25 0.0076136 Eth | $91,035.00 91,014.668 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.6950% |
72 | Uniswap V3 (Optimism) | 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006 | $25.26 0.0076191 Eth | $86,234.00 3,418.779 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6 | 0.0261% |
73 | Hotcoin | LINK-BTC | $25.29 0.0076357 Eth | $79,742.00 3,152.700 LINK | 0.0241% |
74 | Uniswap V3 (Arbitrum One) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $25.17 0.0075888 Eth | $61,288.00 2,428.763 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0185% |
75 | Quickswap (v3) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | $25.36 0.0076513 Eth | $49,018.00 48,852.358 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.3731% |
76 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270 | $25.27 0.0076222 Eth | $40,784.00 1,610.245 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0123% |
77 | Uniswap V3 (Avalanche) | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $25.08 0.0075670 Eth | $33,244.00 1,288.201 0X5947BB275C521040051D82396192181B413227A3 | 0.0098% |
78 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6 | $25.18 0.0075960 Eth | $30,067.00 1,189.926 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0091% |
79 | Dex-Trade | LINK-ETH | $25.33 0.0076375 Eth | $27,257.00 1,076.240 LINK | 0.0082% |
80 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $25.17 0.0075894 Eth | $24,401.00 963.649 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0074% |
81 | Uniswap V3 (Ethereum) | 0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $25.25 0.0076199 Eth | $23,036.00 917.194 0X514910771AF9CA656AF840DFF83E8264ECF986CA | 0.0070% |
82 | Hotcoin | LINK-ETH | $25.34 0.0076433 Eth | $22,925.00 904.610 LINK | 0.0069% |
83 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F | $25.23 0.0076095 Eth | $22,911.00 910.823 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0070% |
84 | THENA FUSION | 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | $25.33 0.0076400 Eth | $20,248.00 26.899 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827 | 0.0002% |
85 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955 | $25.33 0.0076425 Eth | $18,916.87 746.886 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0057% |
86 | Pangolin | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $25.34 0.0076413 Eth | $16,349.52 635.121 0X5947BB275C521040051D82396192181B413227A3 | 0.0049% |
87 | Uniswap V3 (Arbitrum One) | 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.25 0.0076184 Eth | $9,682.72 29.215 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196 | 0.0002% |
88 | Bitexen | LINK-TRY | $25.20 0.0076015 Eth | $5,795.88 229.973 LINK | 0.0018% |
89 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B | $25.29 0.0076341 Eth | $5,016.03 200.409 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0015% |
90 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | $25.25 0.0076184 Eth | $4,528.14 4,525.126 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0346% |
91 | CoinEx | LINK-USDC | $25.31 0.0076338 Eth | $3,708.08 145.998 LINK | 0.0011% |
92 | PancakeSwap V3 (Arbitrum) | 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $25.39 0.0076570 Eth | $3,269.98 129.491 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4 | 0.0010% |
93 | CoinEx | LINK-BTC | $25.31 0.0076334 Eth | $2,738.31 108.162 LINK | 0.0008% |
94 | Ace | LINK-USDT | $25.33 0.0076379 Eth | $2,682.40 106.150 LINK | 0.0008% |
95 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8 | $25.25 0.0076182 Eth | $2,341.49 93.124 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0007% |
96 | Lydia Finance | 0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | $25.21 0.0076046 Eth | $2,143.60 83.085 0X5947BB275C521040051D82396192181B413227A3 | 0.0006% |
97 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C | $25.17 0.0075894 Eth | $1,912.80 75.756 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0006% |
98 | Uniswap V3 (Polygon) | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC3C7D422809852031B44AB29EEC9F1EFF2A58756 | $25.33 0.0076474 Eth | $1,527.15 57.715 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0004% |
99 | Uniswap V3 (BSC) | 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $25.16 0.0075875 Eth | $1,359.81 53.574 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD | 0.0004% |
100 | Retro | 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $25.25 0.0076166 Eth | $796.75 31.696 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39 | 0.0002% |
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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