github.com/pslzym/go-ethereum@v1.8.17-0.20180926104442-4b6824e07b1b/params/network_params.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package params
    18  
    19  // These are network parameters that need to be constant between clients, but
    20  // aren't necessarily consensus related.
    21  
    22  const (
    23  	// BloomBitsBlocks is the number of blocks a single bloom bit section vector
    24  	// contains on the server side.
    25  	BloomBitsBlocks uint64 = 4096
    26  
    27  	// BloomBitsBlocksClient is the number of blocks a single bloom bit section vector
    28  	// contains on the light client side
    29  	BloomBitsBlocksClient uint64 = 32768
    30  
    31  	// BloomConfirms is the number of confirmation blocks before a bloom section is
    32  	// considered probably final and its rotated bits are calculated.
    33  	BloomConfirms = 256
    34  
    35  	// CHTFrequencyClient is the block frequency for creating CHTs on the client side.
    36  	CHTFrequencyClient = 32768
    37  
    38  	// CHTFrequencyServer is the block frequency for creating CHTs on the server side.
    39  	// Eventually this can be merged back with the client version, but that requires a
    40  	// full database upgrade, so that should be left for a suitable moment.
    41  	CHTFrequencyServer = 4096
    42  
    43  	// BloomTrieFrequency is the block frequency for creating BloomTrie on both
    44  	// server/client sides.
    45  	BloomTrieFrequency = 32768
    46  
    47  	// HelperTrieConfirmations is the number of confirmations before a client is expected
    48  	// to have the given HelperTrie available.
    49  	HelperTrieConfirmations = 2048
    50  
    51  	// HelperTrieProcessConfirmations is the number of confirmations before a HelperTrie
    52  	// is generated
    53  	HelperTrieProcessConfirmations = 256
    54  )