config/genesis.go

   1 package config
   2
   3 import (
   4         "encoding/hex"
   5
   6         log "github.com/sirupsen/logrus"
   7
   8         "github.com/bytom/consensus"
   9         "github.com/bytom/protocol/bc"
  10         "github.com/bytom/protocol/bc/types"
  11 )
  12
  13 func genesisTx() *types.Tx {
  14         contract, err := hex.DecodeString("00148c9d063ff74ee6d9ffa88d83aeb038068366c4c4")
  15         if err != nil {
  16                 log.Panicf("fail on decode genesis tx output control program")
  17         }
  18
  19         txData := types.TxData{
  20                 Version: 1,
  21                 Inputs: []*types.TxInput{
  22                         types.NewCoinbaseInput([]byte("Information is power. -- Jan/11/2013. Computing is power. -- Apr/24/2018.")),
  23                 },
  24                 Outputs: []*types.TxOutput{
  25                         types.NewTxOutput(*consensus.BTMAssetID, consensus.InitialBlockSubsidy, contract),
  26                 },
  27         }
  28         return types.NewTx(txData)
  29 }
  30
  31 // GenesisBlock will return genesis block
  32 func GenesisBlock() *types.Block {
  33         tx := genesisTx()
  34         txStatus := bc.NewTransactionStatus()
  35         txStatus.SetStatus(0, false)
  36         txStatusHash, err := bc.TxStatusMerkleRoot(txStatus.VerifyStatus)
  37         if err != nil {
  38                 log.Panicf("fail on calc genesis tx status merkle root")
  39         }
  40
  41         merkleRoot, err := bc.TxMerkleRoot([]*bc.Tx{tx.Tx})
  42         if err != nil {
  43                 log.Panicf("fail on calc genesis tx merkel root")
  44         }
  45
  46         block := &types.Block{
  47                 BlockHeader: types.BlockHeader{
  48                         Version:   1,
  49                         Height:    0,
  50                         Nonce:     9253507043297,
  51                         Timestamp: 1524549600,
  52                         Bits:      2161727821137910632,
  53                         BlockCommitment: types.BlockCommitment{
  54                                 TransactionsMerkleRoot: merkleRoot,
  55                                 TransactionStatusHash:  txStatusHash,
  56                         },
  57                 },
  58                 Transactions: []*types.Tx{tx},
  59         }
  60         return block
  61 }