/
parcel.go
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/
parcel.go
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/*
* Copyright 2019 Insolar Technologies
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package message
import (
"context"
"crypto"
"github.com/insolar/insolar/core"
"github.com/insolar/insolar/instrumentation/inslogger"
"github.com/insolar/insolar/instrumentation/instracer"
)
// ParcelFactory is used for creating parcels
type ParcelFactory interface {
Create(context.Context, core.Message, core.RecordRef, core.DelegationToken, core.Pulse) (core.Parcel, error)
Validate(crypto.PublicKey, core.Parcel) error
}
// Parcel is a message signed by senders private key.
type Parcel struct {
Sender core.RecordRef
Msg core.Message
Signature []byte
LogTraceID string
TraceSpanData []byte
Token core.DelegationToken
PulseNumber core.PulseNumber
}
// AllowedSenderObjectAndRole implements interface method
func (p *Parcel) AllowedSenderObjectAndRole() (*core.RecordRef, core.DynamicRole) {
return p.Msg.AllowedSenderObjectAndRole()
}
// DefaultRole returns role for this event
func (p *Parcel) DefaultRole() core.DynamicRole {
return p.Msg.DefaultRole()
}
// DefaultTarget returns of target of this event.
func (p *Parcel) DefaultTarget() *core.RecordRef {
return p.Msg.DefaultTarget()
}
// Pulse returns pulse, when parcel was sent
func (p *Parcel) Pulse() core.PulseNumber {
return p.PulseNumber
}
// Message returns current instance's message
func (p *Parcel) Message() core.Message {
return p.Msg
}
// Context returns initialized context with propagated data with ctx as parent.
func (p *Parcel) Context(ctx context.Context) context.Context {
ctx = inslogger.ContextWithTrace(ctx, p.LogTraceID)
parentspan := instracer.MustDeserialize(p.TraceSpanData)
return instracer.WithParentSpan(ctx, parentspan)
}
func (p *Parcel) DelegationToken() core.DelegationToken {
return p.Token
}
// Type returns message type.
func (p *Parcel) Type() core.MessageType {
return p.Msg.Type()
}
// GetCaller returns initiator of this event.
func (p *Parcel) GetCaller() *core.RecordRef {
return p.Msg.GetCaller()
}
func (p *Parcel) GetSign() []byte {
return p.Signature
}
func (p *Parcel) GetSender() core.RecordRef {
return p.Sender
}
func (p *Parcel) AddDelegationToken(token core.DelegationToken) {
p.Token = token
}