27 lines
746 B
Go
27 lines
746 B
Go
package namespace
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import (
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ds "github.com/ipfs/go-datastore"
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ktds "github.com/ipfs/go-datastore/keytransform"
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)
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// PrefixTransform constructs a KeyTransform with a pair of functions that
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// add or remove the given prefix key.
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//
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// Warning: will panic if prefix not found when it should be there. This is
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// to avoid insidious data inconsistency errors.
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//
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// DEPRECATED: Use ktds.PrefixTransform directly.
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func PrefixTransform(prefix ds.Key) ktds.PrefixTransform {
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return ktds.PrefixTransform{Prefix: prefix}
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}
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// Wrap wraps a given datastore with a key-prefix.
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func Wrap(child ds.Datastore, prefix ds.Key) *ktds.Datastore {
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if child == nil {
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panic("child (ds.Datastore) is nil")
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}
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return ktds.Wrap(child, PrefixTransform(prefix))
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}
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