protocol/store.go

   1 package protocol
   2
   3 import (
   4         "errors"
   5
   6         "github.com/vapor/database/storage"
   7         "github.com/vapor/protocol/bc"
   8         "github.com/vapor/protocol/bc/types"
   9         "github.com/vapor/protocol/state"
  10 )
  11
  12 var (
  13         ErrNotFoundConsensusResult = errors.New("can't find the vote result by given sequence")
  14 )
  15
  16 // Store provides storage interface for blockchain data
  17 type Store interface {
  18         BlockExist(*bc.Hash) bool
  19
  20         GetBlock(*bc.Hash) (*types.Block, error)
  21         GetBlockHeader(*bc.Hash) (*types.BlockHeader, error)
  22         GetStoreStatus() *BlockStoreState
  23         GetTransactionStatus(*bc.Hash) (*bc.TransactionStatus, error)
  24         GetTransactionsUtxo(*state.UtxoViewpoint, []*bc.Tx) error
  25         GetUtxo(*bc.Hash) (*storage.UtxoEntry, error)
  26         GetConsensusResult(uint64) (*state.ConsensusResult, error)
  27         GetMainChainHash(uint64) (*bc.Hash, error)
  28         GetBlockHashesByHeight(uint64) ([]*bc.Hash, error)
  29
  30         SaveBlock(*types.Block, *bc.TransactionStatus) error
  31         SaveBlockHeader(*types.BlockHeader) error
  32         SaveChainStatus(*types.BlockHeader, *types.BlockHeader, []*types.BlockHeader, *state.UtxoViewpoint, []*state.ConsensusResult) error
  33 }
  34
  35 // BlockStoreState represents the core's db status
  36 type BlockStoreState struct {
  37         Height             uint64
  38         Hash               *bc.Hash
  39         IrreversibleHeight uint64
  40         IrreversibleHash   *bc.Hash
  41 }