forked from making-choice-personal/volary-opera
/
types.go
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/
types.go
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// 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 snapleecher
import (
"fmt"
)
// 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
}
// 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)) }