56 lines
2.2 KiB
Go
56 lines
2.2 KiB
Go
// 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
|
|
|
|
// ImmutabilityThreshold 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 treshold and by clique as the snapshot trust limit.
|
|
ImmutabilityThreshold = 90000
|
|
)
|