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31 lines
733 B
31 lines
733 B
package helper
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import "github.com/ethereum/go-ethereum/trie"
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type MemDatabase struct {
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db map[string][]byte
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}
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func NewMemDatabase() (*MemDatabase, error) {
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db := &MemDatabase{db: make(map[string][]byte)}
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return db, nil
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}
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func (db *MemDatabase) Put(key []byte, value []byte) {
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db.db[string(key)] = value
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}
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func (db *MemDatabase) Get(key []byte) ([]byte, error) {
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return db.db[string(key)], nil
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}
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func (db *MemDatabase) Delete(key []byte) error {
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delete(db.db, string(key))
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return nil
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}
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func (db *MemDatabase) Print() {}
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func (db *MemDatabase) Close() {}
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func (db *MemDatabase) LastKnownTD() []byte { return nil }
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func NewTrie() *trie.Trie {
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db, _ := NewMemDatabase()
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return trie.New(nil, db)
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}
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