mirror of https://github.com/poanetwork/quorum.git
62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
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// 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 consensus implements different Ethereum consensus engines.
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package consensus
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import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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)
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// Constants to match up protocol versions and messages
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const (
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Eth62 = 62
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Eth63 = 63
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)
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var (
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EthProtocol = Protocol{
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Name: "eth",
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Versions: []uint{Eth62, Eth63},
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Lengths: []uint64{17, 8},
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}
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)
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// Protocol defines the protocol of the consensus
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type Protocol struct {
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// Official short name of the protocol used during capability negotiation.
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Name string
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// Supported versions of the eth protocol (first is primary).
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Versions []uint
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// Number of implemented message corresponding to different protocol versions.
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Lengths []uint64
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}
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// Broadcaster defines the interface to broadcast blocks and find peer
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type Broadcaster interface {
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// BroadcastBlock broadcasts blocks to peers
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BroadcastBlock(block *types.Block, propagate bool)
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// FindPeers retrives peers by addresses
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FindPeers(map[common.Address]bool) map[common.Address]Peer
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}
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// Peer defines the interface to communicate with peer
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type Peer interface {
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// Send sends the message to this peer
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Send(msgcode uint64, data interface{}) error
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}
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