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package blockinfodatabase
import (
"Chain/pkg/block"
"Chain/pkg/pro"
)
// BlockRecord contains information about where a Block
// and its UndoBlock are stored on Disk.
// Header is the Block's Header.
// Height is the height of the Block.
// NumberOfTransactions is the number of Transactions in the Block.
// BlockFile is the name of the file where the Block is stored.
// BlockStartOffset is the starting offset of the Block within the
// BlockFile.
// BlockEndOffset is the ending offset of the Block within
// the BlockFile.
// UndoFile is the name of the file where the UndoBlock is stored.
// UndoStartOffset is the starting offset of the UndoBlock within
// the UndoFile.
// UndoEndOffset is the ending offset of the UndoBlock within the
// UndoFile.
type BlockRecord struct {
Header *block.Header
Height uint32
NumberOfTransactions uint32
BlockFile string
BlockStartOffset uint32
BlockEndOffset uint32
UndoFile string
UndoStartOffset uint32
UndoEndOffset uint32
}
// EncodeBlockRecord returns a pro.BlockRecord given a BlockRecord.
func EncodeBlockRecord(br *BlockRecord) *pro.BlockRecord {
return &pro.BlockRecord{
Header: block.EncodeHeader(br.Header),
Height: br.Height,
NumberOfTransactions: br.NumberOfTransactions,
BlockFile: br.BlockFile,
BlockStartOffset: br.BlockStartOffset,
BlockEndOffset: br.BlockEndOffset,
UndoFile: br.UndoFile,
UndoStartOffset: br.UndoStartOffset,
UndoEndOffset: br.UndoEndOffset,
}
}
// DecodeBlockRecord returns a BlockRecord given a pro.BlockRecord.
func DecodeBlockRecord(pbr *pro.BlockRecord) *BlockRecord {
return &BlockRecord{
Header: block.DecodeHeader(pbr.GetHeader()),
Height: pbr.GetHeight(),
NumberOfTransactions: pbr.GetNumberOfTransactions(),
BlockFile: pbr.GetBlockFile(),
BlockStartOffset: pbr.GetBlockStartOffset(),
BlockEndOffset: pbr.GetBlockEndOffset(),
UndoFile: pbr.GetUndoFile(),
UndoStartOffset: pbr.GetUndoStartOffset(),
UndoEndOffset: pbr.GetUndoEndOffset(),
}
}
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