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33 lines
840 B
Go
33 lines
840 B
Go
package dshelp
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import (
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ds "gx/ipfs/QmPpegoMqhAEqjncrzArm7KVWAkCm78rqL2DPuNjhPrshg/go-datastore"
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cid "gx/ipfs/QmcZfnkapfECQGcLZaf9B79NRg7cRa9EnZh4LSbkCzwNvY/go-cid"
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base32 "gx/ipfs/QmfVj3x4D6Jkq9SEoi5n2NmoUomLwoeiwnYz2KQa15wRw6/base32"
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)
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// TODO: put this code into the go-datastore itself
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func NewKeyFromBinary(rawKey []byte) ds.Key {
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buf := make([]byte, 1+base32.RawStdEncoding.EncodedLen(len(rawKey)))
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buf[0] = '/'
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base32.RawStdEncoding.Encode(buf[1:], rawKey)
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return ds.RawKey(string(buf))
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}
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func BinaryFromDsKey(k ds.Key) ([]byte, error) {
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return base32.RawStdEncoding.DecodeString(k.String()[1:])
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}
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func CidToDsKey(k *cid.Cid) ds.Key {
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return NewKeyFromBinary(k.Bytes())
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}
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func DsKeyToCid(dsKey ds.Key) (*cid.Cid, error) {
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kb, err := BinaryFromDsKey(dsKey)
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if err != nil {
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return nil, err
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}
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return cid.Cast(kb)
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}
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