25 lines
722 B
Go
25 lines
722 B
Go
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package db
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import (
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dbm "github.com/cosmos/cosmos-sdk/db"
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storetypes "github.com/cosmos/cosmos-sdk/store/types"
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)
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var _ = (*storetypes.Iterator)(nil)
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type dbAsStoreIter struct {
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dbm.Iterator
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valid bool
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}
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// DBToStoreIterator returns an iterator wrapping the given iterator so that it satisfies the
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// (store/types).Iterator interface.
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func DBToStoreIterator(source dbm.Iterator) *dbAsStoreIter {
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ret := &dbAsStoreIter{Iterator: source}
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ret.Next() // The DB iterator must be primed before it can access the first element, because Next also returns the validity status
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return ret
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}
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func (it *dbAsStoreIter) Next() { it.valid = it.Iterator.Next() }
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func (it *dbAsStoreIter) Valid() bool { return it.valid }
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