config/genesis.go

   1 package config
   2
   3 import (
   4         log "github.com/sirupsen/logrus"
   5
   6         "github.com/bytom/consensus"
   7         "github.com/bytom/protocol/bc"
   8         "github.com/bytom/protocol/bc/types"
   9 )
  10
  11 // GenerateGenesisTx will return genesis transaction
  12 func GenerateGenesisTx() *types.Tx {
  13         txData := types.TxData{
  14                 Version:        1,
  15                 SerializedSize: 63,
  16                 Inputs: []*types.TxInput{
  17                         types.NewCoinbaseInput([]byte("May 4th Be With You")),
  18                 },
  19                 Outputs: []*types.TxOutput{
  20                         &types.TxOutput{
  21                                 AssetVersion: 1,
  22                                 OutputCommitment: types.OutputCommitment{
  23                                         AssetAmount: bc.AssetAmount{
  24                                                 AssetId: consensus.BTMAssetID,
  25                                                 Amount:  consensus.InitialBlockSubsidy,
  26                                         },
  27                                         VMVersion:      1,
  28                                         ControlProgram: []byte{81},
  29                                 },
  30                         },
  31                 },
  32         }
  33
  34         return types.NewTx(txData)
  35 }
  36
  37 // GenerateGenesisBlock will return genesis block
  38 func GenerateGenesisBlock() *types.Block {
  39         genesisCoinbaseTx := GenerateGenesisTx()
  40         merkleRoot, err := bc.TxMerkleRoot([]*bc.Tx{genesisCoinbaseTx.Tx})
  41         if err != nil {
  42                 log.Panicf("Fatal create tx merkelRoot")
  43         }
  44
  45         txStatus := bc.NewTransactionStatus()
  46         txStatus.SetStatus(0, false)
  47         txStatusHash, err := bc.TxStatusMerkleRoot(txStatus.VerifyStatus)
  48         if err != nil {
  49                 log.Panicf("Fatal create tx status gmerkelRoot")
  50         }
  51
  52         block := &types.Block{
  53                 BlockHeader: types.BlockHeader{
  54                         Version:   1,
  55                         Height:    0,
  56                         Nonce:     4216236,
  57                         Timestamp: 1523352600,
  58                         BlockCommitment: types.BlockCommitment{
  59                                 TransactionsMerkleRoot: merkleRoot,
  60                                 TransactionStatusHash:  txStatusHash,
  61                         },
  62                         Bits: 2305843009214532812,
  63                 },
  64                 Transactions: []*types.Tx{genesisCoinbaseTx},
  65         }
  66         return block
  67 }