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/legacy"
   9 )
  10
  11 // GenerateGenesisTx will return genesis transaction
  12 func GenerateGenesisTx() *legacy.Tx {
  13         txData := legacy.TxData{
  14                 Version:        1,
  15                 SerializedSize: 63,
  16                 Inputs: []*legacy.TxInput{
  17                         legacy.NewCoinbaseInput([]byte("May 4th Be With You"), nil),
  18                 },
  19                 Outputs: []*legacy.TxOutput{
  20                         &legacy.TxOutput{
  21                                 AssetVersion: 1,
  22                                 OutputCommitment: legacy.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 legacy.NewTx(txData)
  35 }
  36
  37 // GenerateGenesisBlock will return genesis block
  38 func GenerateGenesisBlock() *legacy.Block {
  39         genesisCoinbaseTx := GenerateGenesisTx()
  40         merkleRoot, err := bc.MerkleRoot([]*bc.Tx{genesisCoinbaseTx.Tx})
  41         if err != nil {
  42                 log.Panicf("Fatal create merkelRoot")
  43         }
  44         txStatus := bc.NewTransactionStatus()
  45
  46         block := &legacy.Block{
  47                 BlockHeader: legacy.BlockHeader{
  48                         Version:   1,
  49                         Height:    0,
  50                         Nonce:     4216077,
  51                         Timestamp: 1516788453,
  52                         BlockCommitment: legacy.BlockCommitment{
  53                                 TransactionsMerkleRoot: merkleRoot,
  54                                 TransactionStatusHash:  bc.EntryID(txStatus),
  55                         },
  56                         Bits: 2305843009222082559,
  57                 },
  58                 Transactions: []*legacy.Tx{genesisCoinbaseTx},
  59         }
  60         return block
  61 }