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get_filament.go
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/
get_filament.go
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//
// Copyright 2019 Insolar Technologies GmbH
//
// 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/pkg/errors"
"github.com/insolar/insolar/insolar/flow"
"github.com/insolar/insolar/insolar/payload"
"github.com/insolar/insolar/ledger/light/proc"
)
type GetFilament struct {
dep *proc.Dependencies
meta payload.Meta
}
func NewGetFilament(dep *proc.Dependencies, meta payload.Meta) *GetFilament {
return &GetFilament{
dep: dep,
meta: meta,
}
}
func (s *GetFilament) Present(ctx context.Context, f flow.Flow) error {
pl, err := payload.Unmarshal(s.meta.Payload)
if err != nil {
return errors.Wrap(err, "failed to unmarshal GetFilament message")
}
msg, ok := pl.(*payload.GetFilament)
if !ok {
return fmt.Errorf("wrong request type: %T", pl)
}
getFilament := proc.NewSendFilament(s.meta, msg.ObjectID, msg.StartFrom, msg.ReadUntil)
s.dep.SendFilament(getFilament)
return f.Procedure(ctx, getFilament, false)
}