protocol/bc/blockheader.go

   1 package bc
   2
   3 import "io"
   4
   5 // BlockHeader contains the header information for a blockchain
   6 // block. It satisfies the Entry interface.
   7
   8 func (BlockHeader) typ() string { return "blockheader" }
   9 func (bh *BlockHeader) writeForHash(w io.Writer) {
  10         mustWriteForHash(w, bh.Version)
  11         mustWriteForHash(w, bh.Height)
  12         mustWriteForHash(w, bh.PreviousBlockId)
  13         mustWriteForHash(w, bh.Timestamp)
  14         //mustWriteForHash(w, bh.Coinbase)
  15         mustWriteForHash(w, bh.TransactionsRoot)
  16         mustWriteForHash(w, bh.TransactionStatusHash)
  17         mustWriteForHash(w, bh.Proof.Sign)
  18         mustWriteForHash(w, bh.Proof.ControlProgram)
  19         mustWriteForHash(w, bh.Extra)
  20 }
  21
  22 // NewBlockHeader creates a new BlockHeader and populates
  23 // its body.
  24 func NewBlockHeader(version, height uint64, previousBlockID *Hash, timestamp uint64, transactionsRoot, transactionStatusHash *Hash, proof *Proof, extra []byte, coinbase []byte) *BlockHeader {
  25         return &BlockHeader{
  26                 Version:               version,
  27                 Height:                height,
  28                 PreviousBlockId:       previousBlockID,
  29                 Timestamp:             timestamp,
  30                 TransactionsRoot:      transactionsRoot,
  31                 TransactionStatusHash: transactionStatusHash,
  32                 TransactionStatus:     nil,
  33                 Proof:                 proof,
  34                 Extra:                 extra,
  35                 Coinbase:              coinbase,
  36         }
  37 }