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102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Package ethdb defines the interfaces for an Ethereum data store.
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package ethdb
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import (
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"bytes"
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"context"
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"github.com/ledgerwatch/turbo-geth/common"
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"github.com/ledgerwatch/turbo-geth/core/types/accounts"
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)
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// Type which expecting sequence of triplets: dbi, key, value, ....
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// It sorts entries by dbi name, then inside dbi clusters sort by keys
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type MultiPutTuples [][]byte
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func (t MultiPutTuples) Len() int { return len(t) / 3 }
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func (t MultiPutTuples) Less(i, j int) bool {
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cmp := bytes.Compare(t[i*3], t[j*3])
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if cmp == -1 {
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return true
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}
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if cmp == 0 {
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return bytes.Compare(t[i*3+1], t[j*3+1]) == -1
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}
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return false
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}
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func (t MultiPutTuples) Swap(i, j int) {
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t[i*3], t[j*3] = t[j*3], t[i*3]
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t[i*3+1], t[j*3+1] = t[j*3+1], t[i*3+1]
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t[i*3+2], t[j*3+2] = t[j*3+2], t[i*3+2]
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}
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func Get(db KV, bucket, key []byte) ([]byte, error) {
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// Retrieve the key and increment the miss counter if not found
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var dat []byte
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err := db.View(context.Background(), func(tx Tx) error {
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b := tx.Bucket(bucket)
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if b != nil {
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v, _ := b.Get(key)
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if v != nil {
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dat = make([]byte, len(v))
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copy(dat, v)
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}
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}
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return nil
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})
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if dat == nil {
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return nil, ErrKeyNotFound
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}
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return dat, err
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}
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func HackAddRootToAccountBytes(accNoRoot []byte, root []byte) (accWithRoot []byte, err error) {
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var acc accounts.Account
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if err := acc.DecodeForStorage(accNoRoot); err != nil {
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return nil, err
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}
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acc.Root = common.BytesToHash(root)
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accWithRoot = make([]byte, acc.EncodingLengthForStorage())
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acc.EncodeForStorage(accWithRoot)
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return accWithRoot, nil
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}
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func Bytesmask(fixedbits int) (fixedbytes int, mask byte) {
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fixedbytes = (fixedbits + 7) / 8
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shiftbits := fixedbits & 7
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mask = byte(0xff)
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if shiftbits != 0 {
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mask = 0xff << (8 - shiftbits)
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}
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return fixedbytes, mask
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}
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func InspectDatabase(db Database) error {
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// FIXME: implement in Turbo-Geth
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// see https://github.com/ethereum/go-ethereum/blob/f5d89cdb72c1e82e9deb54754bef8dd20bf12591/core/rawdb/database.go#L224
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return errNotSupported
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}
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func NewDatabaseWithFreezer(db *ObjectDatabase, dir, suffix string) (*ObjectDatabase, error) {
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// FIXME: implement freezer in Turbo-Geth
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return db, nil
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}
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