mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2025-01-04 01:54:28 +00:00
38 lines
870 B
Go
38 lines
870 B
Go
package changeset
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import (
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"bytes"
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"sort"
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"github.com/ledgerwatch/turbo-geth/common/dbutils"
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"github.com/ledgerwatch/turbo-geth/ethdb"
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)
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func findInAccountChangeSet(c ethdb.CursorDupSort, blockNumber uint64, key []byte, keyLen int) ([]byte, error) {
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fromDBFormat := FromDBFormat(keyLen)
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k := dbutils.EncodeBlockNumber(blockNumber)
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v, err := c.SeekBothRange(k, key)
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if err != nil {
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return nil, err
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}
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_, k, v = fromDBFormat(k, v)
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if !bytes.HasPrefix(k, key) {
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return nil, nil
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}
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return v, nil
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}
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func encodeAccounts2(blockN uint64, s *ChangeSet, f func(k, v []byte) error) error {
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sort.Sort(s)
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newK := dbutils.EncodeBlockNumber(blockN)
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for _, cs := range s.Changes {
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newV := make([]byte, len(cs.Key)+len(cs.Value))
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copy(newV, cs.Key)
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copy(newV[len(cs.Key):], cs.Value)
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if err := f(newK, newV); err != nil {
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return err
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}
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}
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return nil
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}
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