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msg_pack.go
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msg_pack.go
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/*
* Copyright (C) 2018 The DNA Authors
* This file is part of The DNA library.
*
* The DNA 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 DNA 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 DNA. If not, see <http://www.gnu.org/licenses/>.
*/
package msgpack
import (
"time"
"github.com/dnaproject2/DNA/common"
"github.com/dnaproject2/DNA/common/config"
"github.com/dnaproject2/DNA/common/log"
ct "github.com/dnaproject2/DNA/core/types"
msgCommon "github.com/dnaproject2/DNA/p2pserver/common"
mt "github.com/dnaproject2/DNA/p2pserver/message/types"
p2pnet "github.com/dnaproject2/DNA/p2pserver/net/protocol"
)
//Peer address package
func NewAddrs(nodeAddrs []msgCommon.PeerAddr) mt.Message {
log.Trace()
var addr mt.Addr
addr.NodeAddrs = nodeAddrs
return &addr
}
//Peer address request package
func NewAddrReq() mt.Message {
log.Trace()
var msg mt.AddrReq
return &msg
}
///block package
func NewBlock(bk *ct.Block, merkleRoot common.Uint256) mt.Message {
log.Trace()
var blk mt.Block
blk.Blk = bk
blk.MerkleRoot = merkleRoot
return &blk
}
//blk hdr package
func NewHeaders(headers []*ct.RawHeader) mt.Message {
log.Trace()
var blkHdr mt.RawBlockHeader
blkHdr.BlkHdr = headers
return &blkHdr
}
//blk hdr req package
func NewHeadersReq(curHdrHash common.Uint256) mt.Message {
log.Trace()
var h mt.HeadersReq
h.Len = 1
h.HashEnd = curHdrHash
return &h
}
////Consensus info package
func NewConsensus(cp *mt.ConsensusPayload) mt.Message {
log.Trace()
var cons mt.Consensus
cons.Cons = *cp
return &cons
}
//InvPayload
func NewInvPayload(invType common.InventoryType, msg []common.Uint256) *mt.InvPayload {
log.Trace()
return &mt.InvPayload{
InvType: invType,
Blk: msg,
}
}
//Inv request package
func NewInv(invPayload *mt.InvPayload) mt.Message {
log.Trace()
var inv mt.Inv
inv.P.Blk = invPayload.Blk
inv.P.InvType = invPayload.InvType
return &inv
}
//NotFound package
func NewNotFound(hash common.Uint256) mt.Message {
log.Trace()
var notFound mt.NotFound
notFound.Hash = hash
return ¬Found
}
//ping msg package
func NewPingMsg(height uint64) *mt.Ping {
log.Trace()
var ping mt.Ping
ping.Height = uint64(height)
return &ping
}
//pong msg package
func NewPongMsg(height uint64) *mt.Pong {
log.Trace()
var pong mt.Pong
pong.Height = uint64(height)
return &pong
}
//Transaction package
func NewTxn(txn *ct.Transaction) mt.Message {
log.Trace()
var trn mt.Trn
trn.Txn = txn
return &trn
}
//version ack package
func NewVerAck() mt.Message {
log.Trace()
var verAck mt.VerACK
return &verAck
}
//Version package
func NewVersion(n p2pnet.P2P, height uint32) mt.Message {
log.Trace()
var version mt.Version
version.P = mt.VersionPayload{
Version: n.GetVersion(),
Services: n.GetServices(),
SyncPort: n.GetPort(),
Nonce: n.GetID(),
IsConsensus: false,
HttpInfoPort: n.GetHttpInfoPort(),
StartHeight: uint64(height),
TimeStamp: time.Now().UnixNano(),
SoftVersion: config.Version,
Cert: n.GetCert(),
Addr: n.GetAddr(),
}
if n.GetRelay() {
version.P.Relay = 1
} else {
version.P.Relay = 0
}
if config.DefConfig.P2PNode.HttpInfoPort > 0 {
version.P.Cap[msgCommon.HTTP_INFO_FLAG] = 0x01
} else {
version.P.Cap[msgCommon.HTTP_INFO_FLAG] = 0x00
}
return &version
}
//transaction request package
func NewTxnDataReq(hash common.Uint256) mt.Message {
log.Trace()
var dataReq mt.DataReq
dataReq.DataType = common.TRANSACTION
dataReq.Hash = hash
return &dataReq
}
//block request package
func NewBlkDataReq(hash common.Uint256) mt.Message {
log.Trace()
var dataReq mt.DataReq
dataReq.DataType = common.BLOCK
dataReq.Hash = hash
return &dataReq
}
//consensus request package
func NewConsensusDataReq(hash common.Uint256) mt.Message {
log.Trace()
var dataReq mt.DataReq
dataReq.DataType = common.CONSENSUS
dataReq.Hash = hash
return &dataReq
}