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() 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"} }`)