protocol/bc/types/vote_output.go

   1 package types
   2
   3 import (
   4         "io"
   5
   6         "github.com/bytom/bytom/encoding/blockchain"
   7         "github.com/bytom/bytom/errors"
   8         "github.com/bytom/bytom/protocol/bc"
   9 )
  10
  11 // VoteOutput satisfies the TypedOutput interface and represents a vote transaction.
  12 type VoteOutput struct {
  13         Vote []byte
  14 }
  15
  16 // NewVoteOutput create a new output struct
  17 func NewVoteOutput(assetID bc.AssetID, amount uint64, controlProgram []byte, vote []byte, state []byte) *TxOutput {
  18         return &TxOutput{
  19                 AssetVersion: 1,
  20                 OutputCommitment: OutputCommitment{
  21                         AssetAmount: bc.AssetAmount{
  22                                 AssetId: &assetID,
  23                                 Amount:  amount,
  24                         },
  25                         VMVersion:      1,
  26                         ControlProgram: controlProgram,
  27                         StateData:      state,
  28                 },
  29                 TypedOutput: &VoteOutput{Vote: vote},
  30         }
  31 }
  32
  33 func (v *VoteOutput) readFrom(r *blockchain.Reader) error {
  34         var err error
  35         if v.Vote, err = blockchain.ReadVarstr31(r); err != nil {
  36                 return errors.Wrap(err, "reading vote output vote")
  37         }
  38         return nil
  39 }
  40
  41 func (v *VoteOutput) writeTo(w io.Writer) error {
  42         _, err := blockchain.WriteVarstr31(w, v.Vote)
  43         return err
  44 }
  45
  46 // OutputType implement the txout interface
  47 func (v *VoteOutput) OutputType() uint8 { return VoteOutputType }