gitlab.com/aquachain/aquachain@v1.17.16-rc3.0.20221018032414-e3ddf1e1c055/params/network_params.go (about)

     1  // Copyright 2018 The aquachain Authors
     2  // This file is part of the aquachain library.
     3  //
     4  // The aquachain 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 aquachain 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 aquachain 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 necesarilly consensus related.
    21  
    22  const (
    23  	// BloomBitsBlocks is the number of blocks a single bloom bit section vector
    24  	// contains.
    25  	BloomBitsBlocks uint64 = 4096
    26  	// BloomBitsBlocksClient is the number of blocks a single bloom bit section vector
    27  	// contains on the light client side
    28  	BloomBitsBlocksClient uint64 = 32768
    29  
    30  	// BloomConfirms is the number of confirmation blocks before a bloom section is
    31  	// considered probably final and its rotated bits are calculated.
    32  	BloomConfirms = 256
    33  
    34  	// BloomTrieFrequency is the block frequency for creating BloomTrie on both
    35  	// server/client sides.
    36  	BloomTrieFrequency = 32768
    37  
    38  	// HelperTrieConfirmations is the number of confirmations before a client is expected
    39  	// to have the given HelperTrie available.
    40  	HelperTrieConfirmations = 2048
    41  
    42  	// HelperTrieProcessConfirmations is the number of confirmations before a HelperTrie
    43  	// is generated
    44  	HelperTrieProcessConfirmations = 256
    45  
    46  	// ImmutabilityThreshold is the number of blocks after which a chain segment is
    47  	// considered immutable (i.e. soft finality). It is used by the downloader as a
    48  	// hard limit against deep ancestors, by the blockchain against deep reorgs.
    49  	ImmutabilityThreshold uint64 = 900
    50  )