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set_outgoing_request.go
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/
set_outgoing_request.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 handle
import (
"context"
"fmt"
"github.com/insolar/insolar/insolar/flow"
"github.com/insolar/insolar/insolar/payload"
"github.com/insolar/insolar/insolar/record"
"github.com/insolar/insolar/ledger/light/proc"
"github.com/pkg/errors"
)
type SetOutgoingRequest struct {
dep *proc.Dependencies
message payload.Meta
passed bool
}
func NewSetOutgoingRequest(dep *proc.Dependencies, msg payload.Meta, passed bool) *SetOutgoingRequest {
return &SetOutgoingRequest{
dep: dep,
message: msg,
passed: passed,
}
}
func (s *SetOutgoingRequest) Present(ctx context.Context, f flow.Flow) error {
pl, err := payload.Unmarshal(s.message.Payload)
if err != nil {
return errors.Wrap(err, "failed to unmarshal SetOutgoingRequest message")
}
msg, ok := pl.(*payload.SetOutgoingRequest)
if !ok {
return fmt.Errorf("wrong request type: %T", pl)
}
virtual := msg.Request
rec := record.Unwrap(&virtual)
request, ok := rec.(*record.OutgoingRequest)
if !ok {
return fmt.Errorf("wrong request type: %T", rec)
}
objectID := *request.AffinityRef().GetLocal()
if objectID.IsEmpty() {
return errors.New("object is nil")
}
buf, err := msg.Request.Marshal()
if err != nil {
return err
}
calc := proc.NewCalculateID(buf, flow.Pulse(ctx))
s.dep.CalculateID(calc)
if err := f.Procedure(ctx, calc, true); err != nil {
return err
}
reqID := calc.Result.ID
passIfNotExecutor := !s.passed
jet := proc.NewFetchJet(objectID, flow.Pulse(ctx), s.message, passIfNotExecutor)
s.dep.FetchJet(jet)
if err := f.Procedure(ctx, jet, true); err != nil {
if err == proc.ErrNotExecutor && passIfNotExecutor {
return nil
}
return err
}
objJetID := jet.Result.Jet
hot := proc.NewWaitHot(objJetID, flow.Pulse(ctx), s.message)
s.dep.WaitHot(hot)
if err := f.Procedure(ctx, hot, false); err != nil {
return err
}
// To ensure, that we have the index. Because index can be on a heavy node.
// If we don't have it and heavy does, SetOutgoingRequest fails because it should update light's index state.
getIndex := proc.NewEnsureIndex(objectID, objJetID, s.message, flow.Pulse(ctx))
s.dep.EnsureIndex(getIndex)
if err := f.Procedure(ctx, getIndex, false); err != nil {
return err
}
setRequest := proc.NewSetRequest(s.message, request, reqID, objJetID)
s.dep.SetRequest(setRequest)
return f.Procedure(ctx, setRequest, false)
}