test/mock/crosschain_tx.go

   1 package mock
   2
   3 import (
   4         "math/rand"
   5         "time"
   6
   7         log "github.com/sirupsen/logrus"
   8
   9         "github.com/bytom/vapor/blockchain/txbuilder"
  10         "github.com/bytom/vapor/consensus"
  11         "github.com/bytom/vapor/crypto/ed25519/chainkd"
  12         "github.com/bytom/vapor/protocol/bc"
  13         "github.com/bytom/vapor/protocol/bc/types"
  14 )
  15
  16 func NewCrosschainTx(privateKey string) *types.Tx {
  17         var xprv chainkd.XPrv
  18         if err := xprv.UnmarshalText([]byte(privateKey)); err != nil {
  19                 log.WithField("err", err).Panic("fail on xprv UnmarshalText")
  20         }
  21
  22         //generate the tx
  23         randomHash := [32]byte{}
  24         rand.Seed(time.Now().UnixNano())
  25         rand.Read(randomHash[:])
  26         builder := txbuilder.NewBuilder(time.Now())
  27         input := types.NewCrossChainInput(nil, bc.NewHash(randomHash), *consensus.BTMAssetID, 10000000, 1, 1, []byte{}, []byte{})
  28         if err := builder.AddInput(input, &txbuilder.SigningInstruction{}); err != nil {
  29                 log.WithField("err", err).Panic("fail on add builder input")
  30         }
  31
  32         output := types.NewIntraChainOutput(*consensus.BTMAssetID, 10000000, []byte{0x00, 0x14, 0xd4, 0x88, 0xda, 0x3b, 0x78, 0x1a, 0xa4, 0xe1, 0xdb, 0x9b, 0x7b, 0x27, 0x4d, 0xf1, 0x04, 0x33, 0x54, 0x83, 0x0b, 0x07})
  33         if err := builder.AddOutput(output); err != nil {
  34                 log.WithField("err", err).Panic("fail on add builder output")
  35         }
  36
  37         tpl, _, err := builder.Build()
  38         if err != nil {
  39                 log.WithField("err", err).Panic("fail on add builder tx")
  40         }
  41
  42         //sign tx
  43         signHash := tpl.Hash(0).Byte32()
  44         sign := xprv.Sign(signHash[:])
  45         tpl.Transaction.SetInputArguments(0, [][]byte{sign})
  46
  47         data, err := tpl.Transaction.TxData.MarshalText()
  48         if err != nil {
  49                 log.WithField("err", err).Panic("fail on unmarshal tx")
  50         }
  51
  52         tpl.Transaction.TxData.SerializedSize = uint64(len(data) / 2)
  53         tpl.Transaction.Tx.SerializedSize = uint64(len(data) / 2)
  54         return tpl.Transaction
  55 }