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authorDeterminant <[email protected]>2020-06-28 14:47:41 -0400
committerDeterminant <[email protected]>2020-06-28 14:47:41 -0400
commitd235e2c6a5788ec4a6cff15a16f56b38a3876a0d (patch)
tree5f2727f7a50ee5840f889c82776d3a30a88dd59b /params/network_params.go
parent13ebd8bd9468e9d769d598b0ca2afb72ba78cb97 (diff)
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+// 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
+
+ // 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
+)