* miner control moved to `admin.miner` * miner option to set extra data * block extra now bytes
		
			
				
	
	
		
			73 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package core
 | 
						|
 | 
						|
import (
 | 
						|
	"encoding/json"
 | 
						|
	"fmt"
 | 
						|
	"os"
 | 
						|
 | 
						|
	"github.com/ethereum/go-ethereum/common"
 | 
						|
	"github.com/ethereum/go-ethereum/core/state"
 | 
						|
	"github.com/ethereum/go-ethereum/core/types"
 | 
						|
	"github.com/ethereum/go-ethereum/params"
 | 
						|
)
 | 
						|
 | 
						|
/*
 | 
						|
 * This is the special genesis block.
 | 
						|
 */
 | 
						|
 | 
						|
var ZeroHash256 = make([]byte, 32)
 | 
						|
var ZeroHash160 = make([]byte, 20)
 | 
						|
var ZeroHash512 = make([]byte, 64)
 | 
						|
 | 
						|
func GenesisBlock(db common.Database) *types.Block {
 | 
						|
	genesis := types.NewBlock(common.Hash{}, common.Address{}, common.Hash{}, params.GenesisDifficulty, 42, nil)
 | 
						|
	genesis.Header().Number = common.Big0
 | 
						|
	genesis.Header().GasLimit = params.GenesisGasLimit
 | 
						|
	genesis.Header().GasUsed = common.Big0
 | 
						|
	genesis.Header().Time = 0
 | 
						|
 | 
						|
	genesis.Td = common.Big0
 | 
						|
 | 
						|
	genesis.SetUncles([]*types.Header{})
 | 
						|
	genesis.SetTransactions(types.Transactions{})
 | 
						|
	genesis.SetReceipts(types.Receipts{})
 | 
						|
 | 
						|
	var accounts map[string]struct {
 | 
						|
		Balance string
 | 
						|
		Code    string
 | 
						|
	}
 | 
						|
	err := json.Unmarshal(genesisData, &accounts)
 | 
						|
	if err != nil {
 | 
						|
		fmt.Println("enable to decode genesis json data:", err)
 | 
						|
		os.Exit(1)
 | 
						|
	}
 | 
						|
 | 
						|
	statedb := state.New(genesis.Root(), db)
 | 
						|
	for addr, account := range accounts {
 | 
						|
		codedAddr := common.Hex2Bytes(addr)
 | 
						|
		accountState := statedb.CreateAccount(common.BytesToAddress(codedAddr))
 | 
						|
		accountState.SetBalance(common.Big(account.Balance))
 | 
						|
		accountState.SetCode(common.FromHex(account.Code))
 | 
						|
		statedb.UpdateStateObject(accountState)
 | 
						|
	}
 | 
						|
	statedb.Sync()
 | 
						|
	genesis.Header().Root = statedb.Root()
 | 
						|
 | 
						|
	return genesis
 | 
						|
}
 | 
						|
 | 
						|
var genesisData = []byte(`{
 | 
						|
	"0000000000000000000000000000000000000001": {"balance": "1"},
 | 
						|
	"0000000000000000000000000000000000000002": {"balance": "1"},
 | 
						|
	"0000000000000000000000000000000000000003": {"balance": "1"},
 | 
						|
	"0000000000000000000000000000000000000004": {"balance": "1"},
 | 
						|
	"dbdbdb2cbd23b783741e8d7fcf51e459b497e4a6": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
 | 
						|
	"e4157b34ea9615cfbde6b4fda419828124b70c78": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
 | 
						|
	"b9c015918bdaba24b4ff057a92a3873d6eb201be": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
 | 
						|
	"6c386a4b26f73c802f34673f7248bb118f97424a": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
 | 
						|
	"cd2a3d9f938e13cd947ec05abc7fe734df8dd826": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
 | 
						|
	"2ef47100e0787b915105fd5e3f4ff6752079d5cb": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
 | 
						|
	"e6716f9544a56c530d868e4bfbacb172315bdead": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
 | 
						|
	"1a26338f0d905e295fccb71fa9ea849ffa12aaf4": {"balance": "1606938044258990275541962092341162602522202993782792835301376"}
 | 
						|
}`)
 |