path: root/params/network_params.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

    // CHTFrequencyClient is the block frequency for creating CHTs on the client side.
    CHTFrequencyClient = 32768

    // CHTFrequencyServer is the block frequency for creating CHTs on the server side.
    // Eventually this can be merged back with the client version, but that requires a
    // full database upgrade, so that should be left for a suitable moment.
    CHTFrequencyServer = 4096

    // 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
)