// Copyright 2017 The go-ethereum Authors // This file is part of the go-ethereum library. // // The go-ethereum library is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // The go-ethereum library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. package params // These are network parameters that need to be constant between clients, but // aren't necessarily consensus related. const ( // BloomBitsBlocks is the number of blocks a single bloom bit section vector // contains on the server side. BloomBitsBlocks uint64 = 4096 // BloomBitsBlocksClient is the number of blocks a single bloom bit section vector // contains on the light client side BloomBitsBlocksClient uint64 = 32768 // BloomConfirms is the number of confirmation blocks before a bloom section is // considered probably final and its rotated bits are calculated. BloomConfirms = 256 // CHTFrequency is the block frequency for creating CHTs CHTFrequency = 32768 // BloomTrieFrequency is the block frequency for creating BloomTrie on both // server/client sides. BloomTrieFrequency = 32768 // HelperTrieConfirmations is the number of confirmations before a client is expected // to have the given HelperTrie available. HelperTrieConfirmations = 2048 // HelperTrieProcessConfirmations is the number of confirmations before a HelperTrie // is generated HelperTrieProcessConfirmations = 256 // CheckpointFrequency is the block frequency for creating checkpoint CheckpointFrequency = 32768 // CheckpointProcessConfirmations is the number before a checkpoint is generated CheckpointProcessConfirmations = 256 // FullImmutabilityThreshold is the number of blocks after which a chain segment is // considered immutable (i.e. soft finality). It is used by the downloader as a // hard limit against deep ancestors, by the blockchain against deep reorgs, by // the freezer as the cutoff threshold and by clique as the snapshot trust limit. FullImmutabilityThreshold = 90000 // LightImmutabilityThreshold is the number of blocks after which a header chain // segment is considered immutable for light client(i.e. soft finality). It is used by // the downloader as a hard limit against deep ancestors, by the blockchain against deep // reorgs, by the light pruner as the pruning validity guarantee. LightImmutabilityThreshold = 30000 )