protocol/bc/types/bytom/types/block_header_test.go

   1 package types
   2
   3 import (
   4         "bytes"
   5         "encoding/hex"
   6         "strings"
   7         "testing"
   8
   9         "github.com/davecgh/go-spew/spew"
  10
  11         "github.com/vapor/encoding/blockchain"
  12         "github.com/vapor/testutil"
  13 )
  14
  15 func TestBlockHeader(t *testing.T) {
  16         blockHeader := &BlockHeader{
  17                 Version:           1,
  18                 Height:            432234,
  19                 PreviousBlockHash: testutil.MustDecodeHash("c34048bd60c4c13144fd34f408627d1be68f6cb4fdd34e879d6d791060ea73a0"),
  20                 Timestamp:         1522908275,
  21                 Nonce:             34342,
  22                 Bits:              2305843009222082559,
  23                 BlockCommitment: BlockCommitment{
  24                         TransactionStatusHash:  testutil.MustDecodeHash("b94301ea4e316bee00109f68d25beaca90aeff08e9bf439a37d91d7a3b5a1470"),
  25                         TransactionsMerkleRoot: testutil.MustDecodeHash("ad9ac003d08ff305181a345d64fe0b02311cc1a6ec04ab73f3318d90139bfe03"),
  26                 },
  27         }
  28
  29         wantHex := strings.Join([]string{
  30                 "01",     // serialization flags
  31                 "01",     // version
  32                 "eab01a", // block height
  33                 "c34048bd60c4c13144fd34f408627d1be68f6cb4fdd34e879d6d791060ea73a0", // prev block hash
  34                 "f3f896d605", // timestamp
  35                 "40",         // commitment extensible field length
  36                 "ad9ac003d08ff305181a345d64fe0b02311cc1a6ec04ab73f3318d90139bfe03", // transactions merkle root
  37                 "b94301ea4e316bee00109f68d25beaca90aeff08e9bf439a37d91d7a3b5a1470", // tx status hash
  38                 "a68c02",             // nonce
  39                 "ffffff838080808020", // bits
  40         }, "")
  41
  42         gotHex := testutil.Serialize(t, blockHeader)
  43         want, err := hex.DecodeString(wantHex)
  44         if err != nil {
  45                 t.Fatal(err)
  46         }
  47
  48         if !bytes.Equal(gotHex, want) {
  49                 t.Errorf("empty block header bytes = %x want %x", gotHex, want)
  50         }
  51
  52         gotBlockHeader := BlockHeader{}
  53         if _, err := gotBlockHeader.readFrom(blockchain.NewReader(want)); err != nil {
  54                 t.Fatal(err)
  55         }
  56
  57         if !testutil.DeepEqual(gotBlockHeader, *blockHeader) {
  58                 t.Errorf("got:\n%s\nwant:\n%s", spew.Sdump(gotBlockHeader), spew.Sdump(*blockHeader))
  59         }
  60 }