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path: root/core/genesis.go
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package core

import (
    "math/big"

    "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{})

    statedb := state.New(genesis.Root(), db)
    for _, addr := range []string{
        "dbdbdb2cbd23b783741e8d7fcf51e459b497e4a6",
        "e4157b34ea9615cfbde6b4fda419828124b70c78",
        "b9c015918bdaba24b4ff057a92a3873d6eb201be",
        "6c386a4b26f73c802f34673f7248bb118f97424a",
        "cd2a3d9f938e13cd947ec05abc7fe734df8dd826",
        "2ef47100e0787b915105fd5e3f4ff6752079d5cb",
        "e6716f9544a56c530d868e4bfbacb172315bdead",
        "1a26338f0d905e295fccb71fa9ea849ffa12aaf4",
    } {
        codedAddr := ethutil.Hex2Bytes(addr)
        account := statedb.GetAccount(codedAddr)
        account.SetBalance(ethutil.Big("1606938044258990275541962092341162602522202993782792835301376")) //ethutil.BigPow(2, 200)
        statedb.UpdateStateObject(account)
    }
    statedb.Sync()
    genesis.Header().Root = statedb.Root()

    return genesis
}