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c602ac07e7
This commit moves the `HeightHintCache` implementation to the `channeldb` package and inverts the dependency relation between `chainntnfs` and `channeldb`. Many packages depend on channeldb for type definitions, interfaces, etc. `chainntnfs` is an example of that. `chainntnfs` defines the `SpendHintCache` and `ConfirmHintCache` interfaces but it also implments them (`HeightHintCache` struct). The implementation uses logic that should not leak from channeldb (ex: bucket paths). This makes our code highly coupled + it would not allow us to use any of these interfaces in a package that is imported by `channeldb` (circular dependency).
19 lines
606 B
Go
19 lines
606 B
Go
package chainntnfs
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import "errors"
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var (
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// ErrCorruptedHeightHintCache indicates that the on-disk representation
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// has altered since the height hint cache instance was initialized.
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ErrCorruptedHeightHintCache = errors.New("height hint cache has been " +
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"corrupted")
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// ErrSpendHintNotFound is an error returned when a spend hint for an
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// outpoint was not found.
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ErrSpendHintNotFound = errors.New("spend hint not found")
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// ErrConfirmHintNotFound is an error returned when a confirm hint for a
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// transaction was not found.
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ErrConfirmHintNotFound = errors.New("confirm hint not found")
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)
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