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// Copyright 2018 The dexon-consensus-core Authors
// This file is part of the dexon-consensus-core library.
//
// The dexon-consensus-core 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 dexon-consensus-core 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 dexon-consensus-core library. If not, see
// <http://www.gnu.org/licenses/>.
package simulation
import (
"encoding/json"
"fmt"
"github.com/dexon-foundation/dexon-consensus-core/core/types"
)
// jsonMarshaller implements test.Marshaller to marshal simulation related
// messages.
type jsonMarshaller struct{}
// Unmarshal implements Unmarshal method of test.Marshaller interface.
func (m *jsonMarshaller) Unmarshal(
msgType string, payload []byte) (msg interface{}, err error) {
switch msgType {
case "blocklist":
var blocks BlockList
if err = json.Unmarshal(payload, &blocks); err != nil {
break
}
msg = &blocks
case "message":
var m message
if err = json.Unmarshal(payload, &m); err != nil {
break
}
msg = &m
case "info-status":
var status infoStatus
if err = json.Unmarshal(payload, &status); err != nil {
break
}
msg = status
case "block":
block := &types.Block{}
if err = json.Unmarshal(payload, block); err != nil {
break
}
msg = block
case "witness-ack":
nAck := &types.WitnessAck{}
if err = json.Unmarshal(payload, nAck); err != nil {
break
}
msg = nAck
case "vote":
vote := &types.Vote{}
if err = json.Unmarshal(payload, vote); err != nil {
break
}
msg = vote
case "dkg-private-share":
privateShare := &types.DKGPrivateShare{}
if err = json.Unmarshal(payload, privateShare); err != nil {
break
}
msg = privateShare
case "dkg-master-public-key":
masterPublicKey := types.NewDKGMasterPublicKey()
if err = json.Unmarshal(payload, masterPublicKey); err != nil {
break
}
msg = masterPublicKey
case "dkg-complaint":
complaint := &types.DKGComplaint{}
if err = json.Unmarshal(payload, complaint); err != nil {
break
}
msg = complaint
case "dkg-partial-signature":
psig := &types.DKGPartialSignature{}
if err = json.Unmarshal(payload, psig); err != nil {
break
}
msg = psig
default:
err = fmt.Errorf("unrecognized message type: %v", msgType)
}
if err != nil {
return
}
return
}
// Marshal implements Marshal method of test.Marshaller interface.
func (m *jsonMarshaller) Marshal(msg interface{}) (
msgType string, payload []byte, err error) {
switch msg.(type) {
case *BlockList:
msgType = "blocklist"
case *message:
msgType = "message"
case infoStatus:
msgType = "info-status"
case *types.Block:
msgType = "block"
case *types.WitnessAck:
msgType = "witness-ack"
case *types.Vote:
msgType = "vote"
case *types.DKGPrivateShare:
msgType = "dkg-private-share"
case *types.DKGMasterPublicKey:
msgType = "dkg-master-public-key"
case *types.DKGComplaint:
msgType = "dkg-complaint"
case *types.DKGPartialSignature:
msgType = "dkg-partial-signature"
default:
err = fmt.Errorf("unknwon message type: %v", msg)
}
if err != nil {
return
}
payload, err = json.Marshal(msg)
return
}
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