Official Go implementation of the Ethereum protocol
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go-ethereum/params/util.go

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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package params
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
)
var (
TestNetHomesteadBlock = big.NewInt(494000) // Testnet homestead block
MainNetHomesteadBlock = big.NewInt(1150000) // Mainnet homestead block
TestNetDAOForkBlock = big.NewInt(8888888) // Testnet dao hard-fork block
MainNetDAOForkBlock = big.NewInt(9999999) // Mainnet dao hard-fork block
DAOForkBlockExtra = common.FromHex("0x64616f2d686172642d666f726b") // Block extradata to signel the fork with ("dao-hard-fork")
DAOForkExtraRange = big.NewInt(10) // Number of blocks to override the extradata (prevent no-fork attacks)
DAORefundContract = common.HexToAddress("0x0000000000000000000000000000000000000000") // Address of the refund contract to send DAO balances to
)