93 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2014 The go-ethereum Authors
 | 
						|
// This file is part of go-ethereum.
 | 
						|
//
 | 
						|
// go-ethereum is free software: you can redistribute it and/or modify
 | 
						|
// it under the terms of the GNU Lesser General Public License as published by
 | 
						|
// the Free Software Foundation, either version 3 of the License, or
 | 
						|
// (at your option) any later version.
 | 
						|
//
 | 
						|
// go-ethereum is distributed in the hope that it will be useful,
 | 
						|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
// GNU Lesser General Public License for more details.
 | 
						|
//
 | 
						|
// You should have received a copy of the GNU Lesser General Public License
 | 
						|
// along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.
 | 
						|
 | 
						|
package core
 | 
						|
 | 
						|
import (
 | 
						|
	"encoding/json"
 | 
						|
	"fmt"
 | 
						|
	"math/big"
 | 
						|
	"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"
 | 
						|
)
 | 
						|
 | 
						|
// GenesisBlock creates a genesis block with the given nonce.
 | 
						|
func GenesisBlock(nonce uint64, db common.Database) *types.Block {
 | 
						|
	var accounts map[string]struct {
 | 
						|
		Balance string
 | 
						|
		Code    string
 | 
						|
	}
 | 
						|
	err := json.Unmarshal(GenesisAccounts, &accounts)
 | 
						|
	if err != nil {
 | 
						|
		fmt.Println("unable to decode genesis json data:", err)
 | 
						|
		os.Exit(1)
 | 
						|
	}
 | 
						|
	statedb := state.New(common.Hash{}, 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()
 | 
						|
 | 
						|
	block := types.NewBlock(&types.Header{
 | 
						|
		Difficulty: params.GenesisDifficulty,
 | 
						|
		GasLimit:   params.GenesisGasLimit,
 | 
						|
		Nonce:      types.EncodeNonce(nonce),
 | 
						|
		Root:       statedb.Root(),
 | 
						|
	}, nil, nil, nil)
 | 
						|
	block.Td = params.GenesisDifficulty
 | 
						|
	return block
 | 
						|
}
 | 
						|
 | 
						|
var GenesisAccounts = []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"}
 | 
						|
}`)
 | 
						|
 | 
						|
// GenesisBlockForTesting creates a block in which addr has the given wei balance.
 | 
						|
// The state trie of the block is written to db.
 | 
						|
func GenesisBlockForTesting(db common.Database, addr common.Address, balance *big.Int) *types.Block {
 | 
						|
	statedb := state.New(common.Hash{}, db)
 | 
						|
	obj := statedb.GetOrNewStateObject(addr)
 | 
						|
	obj.SetBalance(balance)
 | 
						|
	statedb.SyncObjects()
 | 
						|
	statedb.Sync()
 | 
						|
	block := types.NewBlock(&types.Header{
 | 
						|
		Difficulty: params.GenesisDifficulty,
 | 
						|
		GasLimit:   params.GenesisGasLimit,
 | 
						|
		Root:       statedb.Root(),
 | 
						|
	}, nil, nil, nil)
 | 
						|
	block.Td = params.GenesisDifficulty
 | 
						|
	return block
 | 
						|
}
 |