/
kv.go
44 lines (34 loc) · 1.08 KB
/
kv.go
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// Copyright 2022 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0
package state
import (
"github.com/iotaledger/wasp/packages/kv"
"github.com/iotaledger/wasp/packages/trie"
)
// trieKVAdapter is a KVStoreReader backed by a TrieReader
type trieKVAdapter struct {
*trie.TrieReader
}
var _ kv.KVStoreReader = &trieKVAdapter{}
func (t *trieKVAdapter) Get(key kv.Key) []byte {
return t.TrieReader.Get([]byte(key))
}
func (t *trieKVAdapter) Has(key kv.Key) bool {
return t.TrieReader.Has([]byte(key))
}
func (t *trieKVAdapter) Iterate(prefix kv.Key, f func(kv.Key, []byte) bool) {
t.TrieReader.Iterator([]byte(prefix)).Iterate(func(k []byte, v []byte) bool {
return f(kv.Key(k), v)
})
}
func (t *trieKVAdapter) IterateKeys(prefix kv.Key, f func(kv.Key) bool) {
t.TrieReader.Iterator([]byte(prefix)).IterateKeys(func(k []byte) bool {
return f(kv.Key(k))
})
}
func (t *trieKVAdapter) IterateKeysSorted(prefix kv.Key, f func(key kv.Key) bool) {
t.IterateKeys(prefix, f)
}
func (t *trieKVAdapter) IterateSorted(prefix kv.Key, f func(key kv.Key, value []byte) bool) {
t.Iterate(prefix, f)
}