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27 lines
1.0 KiB
Go
27 lines
1.0 KiB
Go
package db
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import (
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"errors"
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"os"
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"github.com/prysmaticlabs/prysm/v5/beacon-chain/db/kv"
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)
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// ErrNotFound can be used to determine if an error from a method in the database package
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// represents a "not found" error. These often require different handling than a low-level
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// i/o error. This variable copies the value in the kv package to the same scope as the Database interfaces,
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// so that it is available to code paths that do not interact directly with the kv package.
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var ErrNotFound = kv.ErrNotFound
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// ErrNotFoundState wraps ErrNotFound for an error specific to a state not being found in the database.
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var ErrNotFoundState = kv.ErrNotFoundState
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// ErrNotFoundOriginBlockRoot wraps ErrNotFound for an error specific to the origin block root.
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var ErrNotFoundOriginBlockRoot = kv.ErrNotFoundOriginBlockRoot
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// IsNotFound allows callers to treat errors from a flat-file database, where the file record is missing,
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// as equivalent to db.ErrNotFound.
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func IsNotFound(err error) bool {
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return errors.Is(err, ErrNotFound) || os.IsNotExist(err)
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}
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