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version.go
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version.go
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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright 2019 DNA Dev team
//
/*
* Copyright (C) 2018 The ontology Authors
* This file is part of The ontology library.
*
* The ontology 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 ontology 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 ontology. If not, see <http://www.gnu.org/licenses/>.
*/
package types
import (
"io"
comm "github.com/DNAProject/DNA/common"
"github.com/DNAProject/DNA/p2pserver/common"
)
type VersionPayload struct {
Version uint32
Services uint64
TimeStamp int64
SyncPort uint16
HttpInfoPort uint16
//TODO remove this legecy field
ConsPort uint16
Cap [32]byte
Nonce uint64
StartHeight uint64
Relay uint8
IsConsensus bool
SoftVersion string
}
type Version struct {
P VersionPayload
}
//Serialize message payload
func (this *Version) Serialization(sink *comm.ZeroCopySink) {
sink.WriteUint32(this.P.Version)
sink.WriteUint64(this.P.Services)
sink.WriteInt64(this.P.TimeStamp)
sink.WriteUint16(this.P.SyncPort)
sink.WriteUint16(this.P.HttpInfoPort)
sink.WriteUint16(this.P.ConsPort)
sink.WriteBytes(this.P.Cap[:])
sink.WriteUint64(this.P.Nonce)
sink.WriteUint64(this.P.StartHeight)
sink.WriteUint8(this.P.Relay)
sink.WriteBool(this.P.IsConsensus)
sink.WriteString(this.P.SoftVersion)
}
func (this *Version) CmdType() string {
return common.VERSION_TYPE
}
//Deserialize message payload
func (this *Version) Deserialization(source *comm.ZeroCopySource) error {
var irregular, eof bool
this.P.Version, eof = source.NextUint32()
this.P.Services, eof = source.NextUint64()
this.P.TimeStamp, eof = source.NextInt64()
this.P.SyncPort, eof = source.NextUint16()
this.P.HttpInfoPort, eof = source.NextUint16()
this.P.ConsPort, eof = source.NextUint16()
var buf []byte
buf, eof = source.NextBytes(uint64(len(this.P.Cap[:])))
copy(this.P.Cap[:], buf)
this.P.Nonce, eof = source.NextUint64()
this.P.StartHeight, eof = source.NextUint64()
this.P.Relay, eof = source.NextUint8()
this.P.IsConsensus, irregular, eof = source.NextBool()
if eof {
return io.ErrUnexpectedEOF
}
if irregular {
return comm.ErrIrregularData
}
this.P.SoftVersion, _, irregular, eof = source.NextString()
if eof || irregular {
this.P.SoftVersion = ""
}
return nil
}