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40e423d6dc
WIP: object creator command better docs move patch command into object namespace dont ignore cancel funcs addressing comment from CR add two new subcommands to object patch and clean up main Run func cancel contexts in early returns switch to util.Key
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package record
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import (
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"bytes"
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proto "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/gogo/protobuf/proto"
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key "github.com/ipfs/go-ipfs/blocks/key"
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dag "github.com/ipfs/go-ipfs/merkledag"
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ci "github.com/ipfs/go-ipfs/p2p/crypto"
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pb "github.com/ipfs/go-ipfs/routing/dht/pb"
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eventlog "github.com/ipfs/go-ipfs/thirdparty/eventlog"
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)
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var _ = dag.FetchGraph
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var log = eventlog.Logger("routing/record")
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// MakePutRecord creates and signs a dht record for the given key/value pair
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func MakePutRecord(sk ci.PrivKey, key key.Key, value []byte, sign bool) (*pb.Record, error) {
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record := new(pb.Record)
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record.Key = proto.String(string(key))
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record.Value = value
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pkh, err := sk.GetPublic().Hash()
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if err != nil {
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return nil, err
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}
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record.Author = proto.String(string(pkh))
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if sign {
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blob := RecordBlobForSig(record)
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sig, err := sk.Sign(blob)
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if err != nil {
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return nil, err
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}
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record.Signature = sig
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}
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return record, nil
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}
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// RecordBlobForSig returns the blob protected by the record signature
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func RecordBlobForSig(r *pb.Record) []byte {
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k := []byte(r.GetKey())
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v := []byte(r.GetValue())
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a := []byte(r.GetAuthor())
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return bytes.Join([][]byte{k, v, a}, []byte{})
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}
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