1 files changed, 65 insertions, 0 deletions
diff --git a/pkg/blockchain/blockinfodatabase/blockrecord.go b/pkg/blockchain/blockinfodatabase/blockrecord.go
new file mode 100644
index 0000000..8f8846a
--- /dev/null
+++ b/pkg/blockchain/blockinfodatabase/blockrecord.go
@@ -0,0 +1,65 @@
+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(),
+	}
+}