71 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package core
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import (
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	"encoding/json"
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	"fmt"
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	"math/big"
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	"os"
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	"github.com/ethereum/go-ethereum/core/types"
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	"github.com/ethereum/go-ethereum/crypto"
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	"github.com/ethereum/go-ethereum/ethutil"
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	"github.com/ethereum/go-ethereum/state"
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)
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/*
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 * This is the special genesis block.
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 */
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var ZeroHash256 = make([]byte, 32)
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var ZeroHash160 = make([]byte, 20)
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var ZeroHash512 = make([]byte, 64)
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var EmptyShaList = crypto.Sha3(ethutil.Encode([]interface{}{}))
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var EmptyListRoot = crypto.Sha3(ethutil.Encode(""))
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func GenesisBlock(db ethutil.Database) *types.Block {
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	genesis := types.NewBlock(ZeroHash256, ZeroHash160, nil, big.NewInt(131072), crypto.Sha3(big.NewInt(42).Bytes()), "")
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	genesis.Header().Number = ethutil.Big0
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	genesis.Header().GasLimit = big.NewInt(1000000)
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	genesis.Header().GasUsed = ethutil.Big0
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	genesis.Header().Time = 0
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	genesis.Td = ethutil.Big0
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	genesis.SetUncles([]*types.Header{})
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	genesis.SetTransactions(types.Transactions{})
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	genesis.SetReceipts(types.Receipts{})
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	var accounts map[string]struct{ Balance string }
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	err := json.Unmarshal(genesisData, &accounts)
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	if err != nil {
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		fmt.Println("enable to decode genesis json data:", err)
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		os.Exit(1)
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	}
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	statedb := state.New(genesis.Root(), db)
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	for addr, account := range accounts {
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		codedAddr := ethutil.Hex2Bytes(addr)
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		accountState := statedb.GetAccount(codedAddr)
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		accountState.SetBalance(ethutil.Big(account.Balance))
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		statedb.UpdateStateObject(accountState)
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	}
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	statedb.Sync()
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	genesis.Header().Root = statedb.Root()
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	return genesis
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}
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var genesisData = []byte(`{
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	"dbdbdb2cbd23b783741e8d7fcf51e459b497e4a6": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"e4157b34ea9615cfbde6b4fda419828124b70c78": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"b9c015918bdaba24b4ff057a92a3873d6eb201be": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"6c386a4b26f73c802f34673f7248bb118f97424a": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"cd2a3d9f938e13cd947ec05abc7fe734df8dd826": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"2ef47100e0787b915105fd5e3f4ff6752079d5cb": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"e6716f9544a56c530d868e4bfbacb172315bdead": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"1a26338f0d905e295fccb71fa9ea849ffa12aaf4": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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	"b0afc46d9ce366d06ab4952ca27db1d9557ae9fd": {"balance": "154162184000000000000000"},
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	"f6b1e9dc460d4d62cc22ec5f987d726929c0f9f0": {"balance": "102774789000000000000000"},
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	"cc45122d8b7fa0b1eaa6b29e0fb561422a9239d0": {"balance": "51387394000000000000000"},
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	"b7576e9d314df41ec5506494293afb1bd5d3f65d": {"balance": "69423399000000000000000"}
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}`)
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