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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
}
const (
TestAccount = "e273f01c99144c438695e10f24926dc1f9fbf62d"
TestBalance = "1000000000000"
)
var genesisData = []byte(`{
"` + TestAccount + `": {"balance": "` + TestBalance + `"},
` + BuiltInContracts + `
"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"}
}`)
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