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generate.go
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/
generate.go
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package bloom
import (
"github.com/pkg/errors"
"os"
"storj.io/common/bloomfilter"
"storj.io/common/memory"
"storj.io/common/pb"
"storj.io/common/storj"
"storj.io/storj/satellite/internalpb"
"time"
)
type Generate struct {
NodeID storj.NodeID `arg:""`
Size memory.Size `default:"2000000"`
Output string `default:"bloom.filter"`
}
func (c Generate) Run() error {
bf := bloomfilter.NewExplicit(1, 10, 2000000)
err := os.WriteFile(c.Output, bf.Bytes(), 0644)
if err != nil {
return errors.WithStack(err)
}
filter := make([]byte, 4000000)
for i := 0; i < len(filter); i++ {
filter[i] = 1
}
info := &internalpb.RetainInfo{
CreationDate: time.Now(),
PieceCount: 1,
StorageNodeId: c.NodeID,
Filter: filter,
}
raw, err := pb.Marshal(info)
if err != nil {
return errors.WithStack(err)
}
err = os.WriteFile(c.Output, raw, 0644)
if err != nil {
return errors.WithStack(err)
}
return nil
}