package trie
import "github.com/ethereum/go-ethereum/crypto"
var keyPrefix = []byte("secure-key-")
type SecureTrie struct {
*Trie
}
func NewSecure(root []byte, backend Backend) *SecureTrie {
return &SecureTrie{New(root, backend)}
}
func (self *SecureTrie) Update(key, value []byte) Node {
shaKey := crypto.Sha3(key)
self.Trie.cache.Put(append(keyPrefix, shaKey...), key)
return self.Trie.Update(shaKey, value)
}
func (self *SecureTrie) UpdateString(key, value string) Node {
return self.Update([]byte(key), []byte(value))
}
func (self *SecureTrie) Get(key []byte) []byte {
return self.Trie.Get(crypto.Sha3(key))
}
func (self *SecureTrie) GetString(key string) []byte {
return self.Get([]byte(key))
}
func (self *SecureTrie) Delete(key []byte) Node {
return self.Trie.Delete(crypto.Sha3(key))
}
func (self *SecureTrie) DeleteString(key string) Node {
return self.Delete([]byte(key))
}
func (self *SecureTrie) Copy() *SecureTrie {
return &SecureTrie{self.Trie.Copy()}
}
func (self *SecureTrie) GetKey(shaKey []byte) []byte {
return self.Trie.cache.Get(append(keyPrefix, shaKey...))
}
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