types/proposal.go

   1 package types
   2
   3 import (
   4         "errors"
   5         "fmt"
   6         "io"
   7
   8         //. "github.com/tendermint/tmlibs/common"
   9         "github.com/tendermint/go-crypto"
  10         "github.com/tendermint/go-wire"
  11 )
  12
  13 var (
  14         ErrInvalidBlockPartSignature = errors.New("Error invalid block part signature")
  15         ErrInvalidBlockPartHash      = errors.New("Error invalid block part hash")
  16 )
  17
  18 type Proposal struct {
  19         Height           int              `json:"height"`
  20         Round            int              `json:"round"`
  21         BlockPartsHeader PartSetHeader    `json:"block_parts_header"`
  22         POLRound         int              `json:"pol_round"`    // -1 if null.
  23         POLBlockID       BlockID          `json:"pol_block_id"` // zero if null.
  24         Signature        crypto.Signature `json:"signature"`
  25 }
  26
  27 // polRound: -1 if no polRound.
  28 func NewProposal(height int, round int, blockPartsHeader PartSetHeader, polRound int, polBlockID BlockID) *Proposal {
  29         return &Proposal{
  30                 Height:           height,
  31                 Round:            round,
  32                 BlockPartsHeader: blockPartsHeader,
  33                 POLRound:         polRound,
  34                 POLBlockID:       polBlockID,
  35         }
  36 }
  37
  38 func (p *Proposal) String() string {
  39         return fmt.Sprintf("Proposal{%v/%v %v (%v,%v) %v}", p.Height, p.Round,
  40                 p.BlockPartsHeader, p.POLRound, p.POLBlockID, p.Signature)
  41 }
  42
  43 func (p *Proposal) WriteSignBytes(chainID string, w io.Writer, n *int, err *error) {
  44         wire.WriteJSON(CanonicalJSONOnceProposal{
  45                 ChainID:  chainID,
  46                 Proposal: CanonicalProposal(p),
  47         }, w, n, err)
  48 }