blockchain/miner.go

   1 package blockchain
   2
   3 import (
   4         "context"
   5
   6         "github.com/bytom/protocol/bc"
   7         "github.com/bytom/protocol/bc/types"
   8 )
   9
  10 // BlockHeaderByHeight is resp struct for API
  11 type BlockHeaderByHeight struct {
  12         BlockHeader *types.BlockHeader `json:"block_header"`
  13         Reward      uint64             `json:"reward"`
  14 }
  15
  16 // GetWorkResp is resp struct for API
  17 type GetWorkResp struct {
  18         BlockHeader *types.BlockHeader `json:"block_header"`
  19         Seed        *bc.Hash           `json:"seed"`
  20 }
  21
  22 func (bcr *BlockchainReactor) getWork() Response {
  23         bh, err := bcr.miningPool.GetWork()
  24         if err != nil {
  25                 return NewErrorResponse(err)
  26         }
  27
  28         seed, err := bcr.chain.GetSeed(bh.Height, &bh.PreviousBlockHash)
  29         if err != nil {
  30                 return NewErrorResponse(err)
  31         }
  32
  33         resp := &GetWorkResp{
  34                 BlockHeader: bh,
  35                 Seed:        seed,
  36         }
  37         return NewSuccessResponse(resp)
  38 }
  39
  40 func (bcr *BlockchainReactor) submitWork(bh *types.BlockHeader) Response {
  41         success := bcr.miningPool.SubmitWork(bh)
  42         return NewSuccessResponse(success)
  43 }
  44
  45 func (bcr *BlockchainReactor) getBlockHeaderByHeight(ctx context.Context, req struct {
  46         Height uint64 `json:"block_height"`
  47 }) Response {
  48         block, err := bcr.chain.GetBlockByHeight(req.Height)
  49         if err != nil {
  50                 return NewErrorResponse(err)
  51         }
  52
  53         resp := &BlockHeaderByHeight{
  54                 BlockHeader: &block.BlockHeader,
  55                 Reward:      block.Transactions[0].Outputs[0].Amount,
  56         }
  57         return NewSuccessResponse(resp)
  58 }