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wal_decoder.go
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wal_decoder.go
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// Copyright 2021 The PlatON Network Authors
// This file is part of the PlatON-Go library.
//
// The PlatON-Go 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 PlatON-Go 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 PlatON-Go library. If not, see <http://www.gnu.org/licenses/>.
package wal
import (
"fmt"
"github.com/hashkey-chain/hashkey-chain/consensus/cbft/protocols"
"github.com/hashkey-chain/hashkey-chain/rlp"
)
// struct SendPrepareBlock for rlp decode
type MessageSendPrepareBlock struct {
Timestamp uint64
Data *protocols.SendPrepareBlock
}
// struct SendPrepareVote for rlp decode
type MessageSendPrepareVote struct {
Timestamp uint64
Data *protocols.SendPrepareVote
}
// struct SendViewChange for rlp decode
type MessageSendViewChange struct {
Timestamp uint64
Data *protocols.SendViewChange
}
// struct ConfirmedViewChange for rlp decode
type MessageConfirmedViewChange struct {
Timestamp uint64
Data *protocols.ConfirmedViewChange
}
func WALDecode(pack []byte, msgType uint16) (interface{}, error) {
switch msgType {
case protocols.ConfirmedViewChangeMsg:
var j MessageConfirmedViewChange
if err := rlp.DecodeBytes(pack, &j); err != nil {
return nil, err
}
return j.Data, nil
case protocols.SendViewChangeMsg:
var j MessageSendViewChange
if err := rlp.DecodeBytes(pack, &j); err != nil {
return nil, err
}
return j.Data, nil
case protocols.SendPrepareBlockMsg:
var j MessageSendPrepareBlock
if err := rlp.DecodeBytes(pack, &j); err != nil {
return nil, err
}
return j.Data, nil
case protocols.SendPrepareVoteMsg:
var j MessageSendPrepareVote
if err := rlp.DecodeBytes(pack, &j); err != nil {
return nil, err
}
return j.Data, nil
}
panic(fmt.Sprintf("invalid msg type %d", msgType))
}