protocol/block_test.go

   1 package protocol
   2
   3 import (
   4         "testing"
   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         "github.com/vapor/testutil"
  11 )
  12
  13 type mStore struct {
  14         blockHeaders map[bc.Hash]*types.BlockHeader
  15 }
  16
  17 func (s *mStore) BlockExist(hash *bc.Hash) bool           { return false }
  18 func (s *mStore) GetBlock(*bc.Hash) (*types.Block, error) { return nil, nil }
  19 func (s *mStore) GetBlockHeader(hash *bc.Hash) (*types.BlockHeader, error) {
  20         return s.blockHeaders[*hash], nil
  21 }
  22 func (s *mStore) GetStoreStatus() *BlockStoreState                             { return nil }
  23 func (s *mStore) GetTransactionStatus(*bc.Hash) (*bc.TransactionStatus, error) { return nil, nil }
  24 func (s *mStore) GetTransactionsUtxo(*state.UtxoViewpoint, []*bc.Tx) error     { return nil }
  25 func (s *mStore) GetUtxo(*bc.Hash) (*storage.UtxoEntry, error)                 { return nil, nil }
  26 func (s *mStore) GetConsensusResult(uint64) (*state.ConsensusResult, error)              { return nil, nil }
  27 func (s *mStore) GetMainChainHash(uint64) (*bc.Hash, error)                    { return nil, nil }
  28 func (s *mStore) GetBlockHashesByHeight(uint64) ([]*bc.Hash, error)            { return nil, nil }
  29 func (s *mStore) SaveBlock(*types.Block, *bc.TransactionStatus) error          { return nil }
  30 func (s *mStore) SaveBlockHeader(blockHeader *types.BlockHeader) error {
  31         s.blockHeaders[blockHeader.Hash()] = blockHeader
  32         return nil
  33 }
  34 func (s *mStore) SaveChainStatus(*types.BlockHeader, *types.BlockHeader, []*types.BlockHeader, *state.UtxoViewpoint, []*state.ConsensusResult) error {
  35         return nil
  36 }
  37
  38 func TestCalcReorganizeChain(t *testing.T) {
  39         c := &Chain{
  40                 store: &mStore{
  41                         blockHeaders: make(map[bc.Hash]*types.BlockHeader),
  42                 },
  43         }
  44
  45         initBlockHeader := &types.BlockHeader{
  46                 Height:  0,
  47                 Version: 1,
  48         }
  49         c.store.SaveBlockHeader(initBlockHeader)
  50
  51         var wantAttachBlockHeaders []*types.BlockHeader
  52         var wantDetachBlockHeaders []*types.BlockHeader
  53         mainChainBlockHeader := initBlockHeader
  54         newChainBlockHeader := initBlockHeader
  55         for i := 1; i <= 7; i++ {
  56                 mainChainBlockHeader = &types.BlockHeader{
  57                         PreviousBlockHash: mainChainBlockHeader.Hash(),
  58                         Height:            uint64(i),
  59                 }
  60                 wantDetachBlockHeaders = append([]*types.BlockHeader{mainChainBlockHeader}, wantDetachBlockHeaders...)
  61                 c.store.SaveBlockHeader(mainChainBlockHeader)
  62         }
  63
  64         for i := 1; i <= 13; i++ {
  65                 newChainBlockHeader = &types.BlockHeader{
  66                         PreviousBlockHash: newChainBlockHeader.Hash(),
  67                         Height:            uint64(i),
  68                         Version:           1,
  69                 }
  70                 wantAttachBlockHeaders = append(wantAttachBlockHeaders, newChainBlockHeader)
  71                 c.store.SaveBlockHeader(newChainBlockHeader)
  72         }
  73
  74         // normal
  75         getAttachBlockHeaders, getDetachBlockHeaders, _ := c.calcReorganizeChain(newChainBlockHeader, mainChainBlockHeader)
  76         if !testutil.DeepEqual(wantAttachBlockHeaders, getAttachBlockHeaders) {
  77                 t.Errorf("normal test: attach headers want %v but get %v", wantAttachBlockHeaders, getAttachBlockHeaders)
  78         }
  79
  80         if !testutil.DeepEqual(wantDetachBlockHeaders, getDetachBlockHeaders) {
  81                 t.Errorf("normal test: detach headers want %v but get %v", wantDetachBlockHeaders, getDetachBlockHeaders)
  82         }
  83
  84         // detachBlockHeaders is empty
  85         forkChainBlockHeader := wantAttachBlockHeaders[7]
  86         wantAttachBlockHeaders = wantAttachBlockHeaders[8:]
  87         wantDetachBlockHeaders = []*types.BlockHeader{}
  88         getAttachBlockHeaders, getDetachBlockHeaders, _ = c.calcReorganizeChain(newChainBlockHeader, forkChainBlockHeader)
  89         if !testutil.DeepEqual(wantAttachBlockHeaders, getAttachBlockHeaders) {
  90                 t.Errorf("detachBlockHeaders is empty test: attach headers want %v but get %v", wantAttachBlockHeaders, getAttachBlockHeaders)
  91         }
  92
  93         if !testutil.DeepEqual(wantDetachBlockHeaders, getDetachBlockHeaders) {
  94                 t.Errorf("detachBlockHeaders is empty test: detach headers want %v but get %v", wantDetachBlockHeaders, getDetachBlockHeaders)
  95         }
  96 }