forked from mirror/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.5 KiB
79 lines
2.5 KiB
// Copyright 2015 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 downloader
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
)
|
|
|
|
// peerDropFn is a callback type for dropping a peer detected as malicious.
|
|
type peerDropFn func(id string)
|
|
|
|
// dataPack is a data message returned by a peer for some query.
|
|
type dataPack interface {
|
|
PeerId() string
|
|
Items() int
|
|
Stats() string
|
|
}
|
|
|
|
// headerPack is a batch of block headers returned by a peer.
|
|
type headerPack struct {
|
|
peerID string
|
|
headers []*types.Header
|
|
}
|
|
|
|
func (p *headerPack) PeerId() string { return p.peerID }
|
|
func (p *headerPack) Items() int { return len(p.headers) }
|
|
func (p *headerPack) Stats() string { return fmt.Sprintf("%d", len(p.headers)) }
|
|
|
|
// bodyPack is a batch of block bodies returned by a peer.
|
|
type bodyPack struct {
|
|
peerID string
|
|
transactions [][]*types.Transaction
|
|
uncles [][]*types.Header
|
|
}
|
|
|
|
func (p *bodyPack) PeerId() string { return p.peerID }
|
|
func (p *bodyPack) Items() int {
|
|
if len(p.transactions) <= len(p.uncles) {
|
|
return len(p.transactions)
|
|
}
|
|
return len(p.uncles)
|
|
}
|
|
func (p *bodyPack) Stats() string { return fmt.Sprintf("%d:%d", len(p.transactions), len(p.uncles)) }
|
|
|
|
// receiptPack is a batch of receipts returned by a peer.
|
|
type receiptPack struct {
|
|
peerID string
|
|
receipts [][]*types.Receipt
|
|
}
|
|
|
|
func (p *receiptPack) PeerId() string { return p.peerID }
|
|
func (p *receiptPack) Items() int { return len(p.receipts) }
|
|
func (p *receiptPack) Stats() string { return fmt.Sprintf("%d", len(p.receipts)) }
|
|
|
|
// statePack is a batch of states returned by a peer.
|
|
type statePack struct {
|
|
peerID string
|
|
states [][]byte
|
|
}
|
|
|
|
func (p *statePack) PeerId() string { return p.peerID }
|
|
func (p *statePack) Items() int { return len(p.states) }
|
|
func (p *statePack) Stats() string { return fmt.Sprintf("%d", len(p.states)) }
|
|
|