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internal/era: elevate anonymous func to named

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lightclient@protonmail.com 2023-05-22 16:30:56 +02:00 committed by lightclient
parent 545f0b1aa7
commit d58c9137a3
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GPG key ID: 75C916AFEE20183E
1 changed files with 31 additions and 30 deletions
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57
internal/era/builder.go
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@ -130,38 +130,17 @@ func (b *Builder) AddRLP(header, body, receipts []byte, number uint64, hash comm
b.hashes = append(b.hashes, hash)
b.tds = append(b.tds, td)
// Small helper to take care snappy encoding and writing e2store entry.
snappyWrite := func(typ uint16, in []byte) error {
var (
buf = b.buf
s = b.snappy
)
buf.Reset()
s.Reset(buf)
if _, err := b.snappy.Write(in); err != nil {
return fmt.Errorf("error snappy encoding: %w", err)
// Write block data.
if err := b.snappyWrite(TypeCompressedHeader, header); err != nil {
return err
}
if err := s.Flush(); err != nil {
return fmt.Errorf("error flushing snappy encoding: %w", err)
if err := b.snappyWrite(TypeCompressedBody, body); err != nil {
return err
}
n, err := b.w.Write(typ, b.buf.Bytes())
b.written += n
if err != nil {
return fmt.Errorf("error writing e2store entry: %w", err)
}
return nil
if err := b.snappyWrite(TypeCompressedReceipts, receipts); err != nil {
return err
}
// Write block data.
if err := snappyWrite(TypeCompressedHeader, header); err != nil {
return err
}
if err := snappyWrite(TypeCompressedBody, body); err != nil {
return err
}
if err := snappyWrite(TypeCompressedReceipts, receipts); err != nil {
return err
}
// Also write total difficulty, but don't snappy encode.
btd := bigToBytes32(td)
n, err := b.w.Write(TypeTotalDifficulty, btd[:])
@ -220,6 +199,28 @@ func (b *Builder) Finalize() (common.Hash, error) {
return root, nil
}
// snappyWrite is a small helper to take care snappy encoding and writing an e2store entry.
func (b *Builder) snappyWrite(typ uint16, in []byte) error {
var (
buf = b.buf
s = b.snappy
)
buf.Reset()
s.Reset(buf)
if _, err := b.snappy.Write(in); err != nil {
return fmt.Errorf("error snappy encoding: %w", err)
}
if err := s.Flush(); err != nil {
return fmt.Errorf("error flushing snappy encoding: %w", err)
}
n, err := b.w.Write(typ, b.buf.Bytes())
b.written += n
if err != nil {
return fmt.Errorf("error writing e2store entry: %w", err)
}
return nil
}
// writeVersion writes a version entry to e2store.
func writeVersion(w *e2store.Writer) error {
_, err := w.Write(TypeVersion, nil)