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era raw getters

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Sina Mahmoodi 2025-04-09 16:14:54 +02:00 committed by lightclient
parent 3b50e5a62e
commit 7a981fba1d
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1 changed files with 39 additions and 0 deletions
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39
internal/era/era.go
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@ -205,6 +205,45 @@ func (e *Era) GetReceiptsByNumber(num uint64) (types.Receipts, error) {
return receipts, nil
}
// GetRawBodyByNumber returns the RLP-encoded body for the given block number.
func (e *Era) GetRawBodyByNumber(num uint64) ([]byte, error) {
if e.m.start > num || e.m.start+e.m.count <= num {
return nil, fmt.Errorf("out-of-bounds: %d not in [%d, %d)", num, e.m.start, e.m.start+e.m.count)
}
off, err := e.readOffset(num)
if err != nil {
return nil, err
}
r, _, err := newSnappyReader(e.s, TypeCompressedBody, off)
if err != nil {
return nil, err
}
return io.ReadAll(r)
}
// GetRawReceiptsByNumber returns the RLP-encoded receipts for the given block number.
func (e *Era) GetRawReceiptsByNumber(num uint64) ([]byte, error) {
if e.m.start > num || e.m.start+e.m.count <= num {
return nil, fmt.Errorf("out-of-bounds: %d not in [%d, %d)", num, e.m.start, e.m.start+e.m.count)
}
off, err := e.readOffset(num)
if err != nil {
return nil, err
}
// Skip over header and body.
off, err = e.s.SkipN(off, 2)
if err != nil {
return nil, err
}
r, _, err := newSnappyReader(e.s, TypeCompressedReceipts, off)
if err != nil {
return nil, err
}
return io.ReadAll(r)
}
// Accumulator reads the accumulator entry in the Era1 file.
func (e *Era) Accumulator() (common.Hash, error) {
entry, err := e.s.Find(TypeAccumulator)