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