go-ethereum/core/genesis.go

73 lines
2.9 KiB
Go

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