config.go

// Copyright 2016 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 (
	"fmt"
	"github.com/CarLiveChainCo/goiov/common"
	"github.com/CarLiveChainCo/goiov/common/hexutil"
	"github.com/CarLiveChainCo/goiov/rpc"
	"math/big"
)

var (
	SideNonce            uint64 = 66
	SideExtraData               = hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
	SideGasLimit         uint64 = 50000000
	SideDifficulty              = big.NewInt(17179869184)
	DefaultSelfVoteValue        = new(big.Int).Mul(big.NewInt(10), big.NewInt(1e+18))
	SideDefaultBalance          = new(big.Int).Mul(big.NewInt(2), DefaultSelfVoteValue)
)
var (
	MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3") // Mainnet genesis hash to enforce below configs on
	TestnetGenesisHash = common.HexToHash("0x2ca8bccba480e6d6b261ef83a3ff871d3485f8afeaf930406a9f55079b7f2a89") // Testnet genesis hash to enforce below configs on
)

var (
	// MainnetChainConfig is the chain parameters to run a node on the main network.
	TestgiovChainConfig = &ChainConfig{
		ChainId:             big.NewInt(30632),
		HomesteadBlock:      big.NewInt(1),
		EIP150Block:         big.NewInt(2),
		EIP150Hash:          common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
		EIP155Block:         big.NewInt(3),
		EIP158Block:         big.NewInt(3),
		ByzantiumBlock:      big.NewInt(4),
		ConstantinopleBlock: nil,
		Alien: &AlienConfig{
			Period:           2,
			Freeze:           20,
			MaxSignerCount:   21,
			MinVoteValue:     new(big.Int).Mul(big.NewInt(1), big.NewInt(1e+18)),
			GenesisTimestamp: 1536136198,
			SelfVoteValue:    new(big.Int).Mul(big.NewInt(10), big.NewInt(1e+18)),
			SideChain:        false,
			MCRPCClient:      nil,
			AppId:            "",
			UnMine:           true,
		},
	}

	MainnetChainConfig = &ChainConfig{
		ChainId:             big.NewInt(30632),
		HomesteadBlock:      big.NewInt(1),
		EIP150Block:         big.NewInt(2),
		EIP150Hash:          common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
		EIP155Block:         big.NewInt(3),
		EIP158Block:         big.NewInt(3),
		ByzantiumBlock:      big.NewInt(4),
		ConstantinopleBlock: nil,
		Alien: &AlienConfig{
			Period:           5,
			Freeze:           604800,
			MaxSignerCount:   21,
			MinVoteValue:     new(big.Int).Mul(big.NewInt(100), big.NewInt(1e+18)),
			GenesisTimestamp: 1536136198,
			SelfVoteValue:    new(big.Int).Mul(big.NewInt(5000000), big.NewInt(1e+18)),
			SideChain:        false,
			MCRPCClient:      nil,
			AppId:            "",

			UnMine: true,
		},
	}

	// TestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
	TestnetChainConfig = &ChainConfig{
		ChainId:             big.NewInt(8434),
		HomesteadBlock:      big.NewInt(1),
		EIP150Block:         big.NewInt(2),
		EIP150Hash:          common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
		EIP155Block:         big.NewInt(3),
		EIP158Block:         big.NewInt(3),
		ByzantiumBlock:      big.NewInt(4),
		ConstantinopleBlock: nil,
		Alien: &AlienConfig{
			Period:           1,
			MaxSignerCount:   21,
			MinVoteValue:     new(big.Int).Mul(big.NewInt(100), big.NewInt(1e+18)),
			GenesisTimestamp: 1536136198,
			SelfVoteSigners: []common.Address{
				common.HexToAddress("0x393faea80893ba357db03c03ee73ad3e31257469"),
				common.HexToAddress("0x30d342865deef24ac6b3ec2f3f8dba5109351571"),
				common.HexToAddress("0xd410f95ede1d2da66b1870ac671cc18b66a97778"),
				common.HexToAddress("0xa25dc63609ea7ea999033e062f2ace42231c0b69"),
				common.HexToAddress("0xf392f41e14263330749b44edfdd6e286f8d5e4f2"),
				common.HexToAddress("0x56df54b4e9603a9ad094077b645f836602bdee4e"),
				common.HexToAddress("0x42eecb2947c05e031f183488cb51cde6132c8b93"),
				common.HexToAddress("0xf955da6fdf358eff8bf151e8549b7720d9a1781b"),
				common.HexToAddress("0x87aa4937c48cf1b152d451decfd29ead6547f3a0"),
				common.HexToAddress("0x7b1fbfe29a990dd19cf77deb2be6ae3bf9d96f89"),
				common.HexToAddress("0x6d5d0905ca8a3d2a2da3416be78dc1043c351493"),
				common.HexToAddress("0xd4a93c23439ca111f4099287fecb92f7c86674a4"),
				common.HexToAddress("0xa6ca9600357cbb06c6740b0b6d0e6a4027304b4d"),
				common.HexToAddress("0x5d1dad69c8cdc1e4837c8ded56c90e9caa2b7bd9"),
				common.HexToAddress("0x82cbed25c8cf0227a6dab6154f999adace2090c0"),
				common.HexToAddress("0x101f77ffbc00b2187baa790ccd00dd504e7341ec"),
				common.HexToAddress("0x10a516d26811c393511d782c5e695f52172fbb58"),
				common.HexToAddress("0x077451d856e45c96e59f25dd58b2b8318a6fe605"),
				common.HexToAddress("0xf2572a1b9d61493ce09d53777c4ca9bc0956eee8"),
				common.HexToAddress("0x2e867a39b139913c1f1d31c48a43492c19aa19d5"),
				common.HexToAddress("0x04ab5deebb6115a7915b395fec78047a9675814f"),
				common.HexToAddress("0x0b473b88e0e7dc8fc68fd07169f71c0394374c0d"),
				common.HexToAddress("0x21302441f9b0f3ca66d9b6d65ef95c1e79214c31"),
				common.HexToAddress("0x852a3c718117a7bb36f6f146fca5071824630df6"),
				common.HexToAddress("0x6629473f74062817358f9d59ac42b855b1de9097"),
				common.HexToAddress("0xc866a8357cd68f6b123530da8bb0e44403d8bab4"),
				common.HexToAddress("0x4cbca765bb93714cd328dd8799df7fc415348100"),
				common.HexToAddress("0x0f8ae8fb6a47c208103e75adc65a63fa24dd0ae5"),
				common.HexToAddress("0x87a4a6e44d749179374723ea5ebfbddc74bcd1bc"),
				common.HexToAddress("0xccd5cc1eca26f75ade6753439e2e94855ffefa9f"),
				common.HexToAddress("0xafd94afa2d9c991f4ac89ff3422324beefbfe034"),
				common.HexToAddress("0x6b57bd2b885282d33bcd6f0d550b6876f66772b0"),
				common.HexToAddress("0x8b237be168f7d74a27bfd4564c156546f5e0be25"),
				common.HexToAddress("0x3d2ce5022e3fef304ba0605bdb9b2e977e1f058c"),
				common.HexToAddress("0x1c3710e914ae548ac128a86ab1363f8ecab7ed78"),
				common.HexToAddress("0x1ac96e716a1b0636f93ec7b1eaa0becb3eeeaa60"),
			},
		},
	}

	// RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
	RinkebyChainConfig = &ChainConfig{
		ChainId:             big.NewInt(4),
		HomesteadBlock:      big.NewInt(1),
		EIP150Block:         big.NewInt(2),
		EIP150Hash:          common.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
		EIP155Block:         big.NewInt(3),
		EIP158Block:         big.NewInt(3),
		ByzantiumBlock:      big.NewInt(1035301),
		ConstantinopleBlock: nil,
		Clique: &CliqueConfig{
			Period: 15,
			Epoch:  30000,
		},
	}

	// UFOChainConfig contains the chain parameters to run a node on the Rinkeby test network.
	UFOChainConfig = &ChainConfig{
		ChainId:             big.NewInt(4),
		HomesteadBlock:      big.NewInt(1),
		EIP150Block:         big.NewInt(2),
		EIP150Hash:          common.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
		EIP155Block:         big.NewInt(3),
		EIP158Block:         big.NewInt(3),
		ByzantiumBlock:      big.NewInt(1035301),
		ConstantinopleBlock: nil,
		Alien: &AlienConfig{
			Period:           3,
			MaxSignerCount:   21,
			MinVoteValue:     new(big.Int).Mul(big.NewInt(10000), big.NewInt(1000000000000000000)),
			GenesisTimestamp: 0,
			SelfVoteSigners:  []common.Address{},
		},
	}

	// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
	// and accepted by the Ethereum core developers into the Ethash consensus.
	//
	// This configuration is intentionally not using keyed fields to force anyone
	// adding flags to the config to also have to set these fields.
	AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, nil, "", common.Hash{}, common.Address{}, common.Hash{}}

	// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
	// and accepted by the Ethereum core developers into the Clique consensus.
	//
	// This configuration is intentionally not using keyed fields to force anyone
	// adding flags to the config to also have to set these fields.
	AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}, nil, "", common.Hash{}, common.Address{}, common.Hash{}}

	// AllAlienProtocolChanges contains every protocol change (EIPs) introduced
	// and accepted by the Ethereum core developers into the Alien consensus.
	//
	// This configuration is intentionally not using keyed fields to force anyone
	// adding flags to the config to also have to set these fields.
	AllAlienProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, &AlienConfig{Period: 3, MaxSignerCount: 21, MinVoteValue: new(big.Int).Mul(big.NewInt(10000), big.NewInt(1000000000000000000)), GenesisTimestamp: 0, SelfVoteSigners: []common.Address{}}, "", common.Hash{}, common.Address{}, common.Hash{}}

	TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, nil, "", common.Hash{}, common.Address{}, common.Hash{}}
	TestRules       = TestChainConfig.Rules(new(big.Int))
)

// ChainConfig is the core config which determines the blockchain settings.
//
// ChainConfig is stored in the database on a per block basis. This means
// that any network, identified by its genesis block, can have its own
// set of configuration options.
type ChainConfig struct {
	ChainId *big.Int `json:"chainId"` // Chain id identifies the current chain and is used for replay protection

	HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead)

	// EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
	EIP150Block *big.Int    `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork)
	EIP150Hash  common.Hash `json:"eip150Hash,omitempty"`  // EIP150 HF hash (needed for header only clients as only gas pricing changed)

	EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
	EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block

	ByzantiumBlock      *big.Int `json:"byzantiumBlock,omitempty"`      // Byzantium switch block (nil = no fork, 0 = already on byzantium)
	ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)

	// Various consensus engines
	Ethash *EthashConfig `json:"ethash,omitempty"`
	Clique *CliqueConfig `json:"clique,omitempty"`
	Alien  *AlienConfig  `json:"alien,omitempty"`

	AppId     string         `json:"appId,omitempty"`
	TxHash    common.Hash    `json:"txHash,omitempty"`
	Author    common.Address `json:"author,omitempty"`
	BlockHash common.Hash    `json:"blockHash,omitempty"` //防止可预测chainConfig
}

// EthashConfig is the consensus engine configs for proof-of-work based sealing.
type EthashConfig struct{}

// String implements the stringer interface, returning the consensus engine details.
func (c *EthashConfig) String() string {
	return "ethash"
}

// CliqueConfig is the consensus engine configs for proof-of-authority based sealing.
type CliqueConfig struct {
	Period uint64 `json:"period"` // Number of seconds between blocks to enforce
	Epoch  uint64 `json:"epoch"`  // Epoch length to reset votes and checkpoint
}

// String implements the stringer interface, returning the consensus engine details.
func (c *CliqueConfig) String() string {
	return "clique"
}

// AlienConfig is the consensus engine configs for delegated-proof-of-stake based sealing.
type AlienConfig struct {
	Period           uint64           `json:"period"`           // Number of seconds between blocks to enforce
	Freeze           uint64           `json:"freeze"`           // Number of days to freeze up voting after cancel vote
	MaxSignerCount   uint64           `json:"maxSignersCount"`  // Max count of signers
	MinVoteValue     *big.Int         `json:"minVoteValue"`     // Min vote value to valid this vote
	GenesisTimestamp uint64           `json:"genesisTimestamp"` // The LoopStartTime of first Block
	SelfVoteSigners  []common.Address `json:"signers"`          // Signers vote by themselves to seal the block, make sure the signer accounts are pre-funded
	SelfVoteValue    *big.Int         `json:"selfVoteValue"`    // value of self voter to valid this vote
	SideChain        bool                                       // If side chain or not
	MCRPCClient      *rpc.Client                                // Main chain rpc client for side chain
	AppId            string
	UnMine           bool
}

// String implements the stringer interface, returning the consensus engine details.
func (c *AlienConfig) String() string {
	return "alien"
}

// String implements the fmt.Stringer interface.
func (c *ChainConfig) String() string {
	var engine interface{}
	switch {
	case c.Ethash != nil:
		engine = c.Ethash
	case c.Clique != nil:
		engine = c.Clique
	case c.Alien != nil:
		engine = c.Alien
	default:
		engine = "unknown"
	}
	return fmt.Sprintf("{ChainID: %v Homestead: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Engine: %v}",
		c.ChainId,
		c.HomesteadBlock,
		c.EIP150Block,
		c.EIP155Block,
		c.EIP158Block,
		c.ByzantiumBlock,
		c.ConstantinopleBlock,
		engine,
	)
}

// IsHomestead returns whether num is either equal to the homestead block or greater.
func (c *ChainConfig) IsHomestead(num *big.Int) bool {
	return isForked(c.HomesteadBlock, num)
}

func (c *ChainConfig) IsEIP150(num *big.Int) bool {
	return isForked(c.EIP150Block, num)
}

func (c *ChainConfig) IsEIP155(num *big.Int) bool {
	return isForked(c.EIP155Block, num)
}

func (c *ChainConfig) IsEIP158(num *big.Int) bool {
	return isForked(c.EIP158Block, num)
}

func (c *ChainConfig) IsByzantium(num *big.Int) bool {
	return isForked(c.ByzantiumBlock, num)
}

func (c *ChainConfig) IsConstantinople(num *big.Int) bool {
	return isForked(c.ConstantinopleBlock, num)
}

// GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice).
//
// The returned GasTable's fields shouldn't, under any circumstances, be changed.
func (c *ChainConfig) GasTable(num *big.Int) GasTable {
	if num == nil {
		return GasTableHomestead
	}
	switch {
	case c.IsEIP158(num):
		return GasTableEIP158
	case c.IsEIP150(num):
		return GasTableEIP150
	default:
		return GasTableHomestead
	}
}

// CheckCompatible checks whether scheduled fork transitions have been imported
// with a mismatching chain configuration.
func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError {
	bhead := new(big.Int).SetUint64(height)

	// Iterate checkCompatible to find the lowest conflict.
	var lasterr *ConfigCompatError
	for {
		err := c.checkCompatible(newcfg, bhead)
		if err == nil || (lasterr != nil && err.RewindTo == lasterr.RewindTo) {
			break
		}
		lasterr = err
		bhead.SetUint64(err.RewindTo)
	}
	return lasterr
}

func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *ConfigCompatError {
	if isForkIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, head) {
		return newCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock)
	}
	if isForkIncompatible(c.EIP150Block, newcfg.EIP150Block, head) {
		return newCompatError("EIP150 fork block", c.EIP150Block, newcfg.EIP150Block)
	}
	if isForkIncompatible(c.EIP155Block, newcfg.EIP155Block, head) {
		return newCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block)
	}
	if isForkIncompatible(c.EIP158Block, newcfg.EIP158Block, head) {
		return newCompatError("EIP158 fork block", c.EIP158Block, newcfg.EIP158Block)
	}
	if c.IsEIP158(head) && !configNumEqual(c.ChainId, newcfg.ChainId) {
		return newCompatError("EIP158 chain ID", c.EIP158Block, newcfg.EIP158Block)
	}
	if isForkIncompatible(c.ByzantiumBlock, newcfg.ByzantiumBlock, head) {
		return newCompatError("Byzantium fork block", c.ByzantiumBlock, newcfg.ByzantiumBlock)
	}
	if isForkIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, head) {
		return newCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock)
	}
	return nil
}

// isForkIncompatible returns true if a fork scheduled at s1 cannot be rescheduled to
// block s2 because head is already past the fork.
func isForkIncompatible(s1, s2, head *big.Int) bool {
	return (isForked(s1, head) || isForked(s2, head)) && !configNumEqual(s1, s2)
}

// isForked returns whether a fork scheduled at block s is active at the given head block.
func isForked(s, head *big.Int) bool {
	if s == nil || head == nil {
		return false
	}
	return s.Cmp(head) <= 0
}

func configNumEqual(x, y *big.Int) bool {
	if x == nil {
		return y == nil
	}
	if y == nil {
		return x == nil
	}
	return x.Cmp(y) == 0
}

// ConfigCompatError is raised if the locally-stored blockchain is initialised with a
// ChainConfig that would alter the past.
type ConfigCompatError struct {
	What string
	// block numbers of the stored and new configurations
	StoredConfig, NewConfig *big.Int
	// the block number to which the local chain must be rewound to correct the error
	RewindTo uint64
}

func newCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatError {
	var rew *big.Int
	switch {
	case storedblock == nil:
		rew = newblock
	case newblock == nil || storedblock.Cmp(newblock) < 0:
		rew = storedblock
	default:
		rew = newblock
	}
	err := &ConfigCompatError{what, storedblock, newblock, 0}
	if rew != nil && rew.Sign() > 0 {
		err.RewindTo = rew.Uint64() - 1
	}
	return err
}

func (err *ConfigCompatError) Error() string {
	return fmt.Sprintf("mismatching %s in database (have %d, want %d, rewindto %d)", err.What, err.StoredConfig, err.NewConfig, err.RewindTo)
}

// Rules wraps ChainConfig and is merely syntatic sugar or can be used for functions
// that do not have or require information about the block.
//
// Rules is a one time interface meaning that it shouldn't be used in between transition
// phases.
type Rules struct {
	ChainId                                   *big.Int
	IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool
	IsByzantium                               bool
}

func (c *ChainConfig) Rules(num *big.Int) Rules {
	chainId := c.ChainId
	if chainId == nil {
		chainId = new(big.Int)
	}
	return Rules{ChainId: new(big.Int).Set(chainId), IsHomestead: c.IsHomestead(num), IsEIP150: c.IsEIP150(num), IsEIP155: c.IsEIP155(num), IsEIP158: c.IsEIP158(num), IsByzantium: c.IsByzantium(num)}
}