params

var (
	TestChainConfig = &ChainConfig{big.NewInt(1), new(big.Int), new(big.Int), true, new(big.Int), common.Hash{}, new(big.Int), new(big.Int)}
	TestRules       = TestChainConfig.Rules(new(big.Int))
)

var (
	// GasTableHomestead contain the gas prices for
	// the homestead phase.
	GasTableHomestead = GasTable{
		ExtcodeSize: big.NewInt(20),
		ExtcodeCopy: big.NewInt(20),
		Balance:     big.NewInt(20),
		SLoad:       big.NewInt(50),
		Calls:       big.NewInt(40),
		Suicide:     big.NewInt(0),
		ExpByte:     big.NewInt(10),

		CreateBySuicide: nil,
	}

	// GasTableHomestead contain the gas re-prices for
	// the homestead phase.
	//
	// TODO rename to GasTableEIP150
	GasTableHomesteadGasRepriceFork = GasTable{
		ExtcodeSize: big.NewInt(700),
		ExtcodeCopy: big.NewInt(700),
		Balance:     big.NewInt(400),
		SLoad:       big.NewInt(200),
		Calls:       big.NewInt(700),
		Suicide:     big.NewInt(5000),
		ExpByte:     big.NewInt(10),

		CreateBySuicide: big.NewInt(25000),
	}

	GasTableEIP158 = GasTable{
		ExtcodeSize: big.NewInt(700),
		ExtcodeCopy: big.NewInt(700),
		Balance:     big.NewInt(400),
		SLoad:       big.NewInt(200),
		Calls:       big.NewInt(700),
		Suicide:     big.NewInt(5000),
		ExpByte:     big.NewInt(50),

		CreateBySuicide: big.NewInt(25000),
	}
)

var (
	MaximumExtraDataSize      = big.NewInt(32)     // Maximum size extra data may be after Genesis.
	ExpByteGas                = big.NewInt(10)     // Times ceil(log256(exponent)) for the EXP instruction.
	SloadGas                  = big.NewInt(50)     // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
	CallValueTransferGas      = big.NewInt(9000)   // Paid for CALL when the value transfer is non-zero.
	CallNewAccountGas         = big.NewInt(25000)  // Paid for CALL when the destination address didn't exist prior.
	TxGas                     = big.NewInt(21000)  // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions.
	TxGasContractCreation     = big.NewInt(53000)  // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions.
	TxDataZeroGas             = big.NewInt(4)      // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions.
	DifficultyBoundDivisor    = big.NewInt(2048)   // The bound divisor of the difficulty, used in the update calculations.
	DifficultyBoundDivisorNew = big.NewInt(768)    //BoundDivisor New
	QuadCoeffDiv              = big.NewInt(512)    // Divisor for the quadratic particle of the memory cost equation.
	GenesisDifficulty         = big.NewInt(231072) // Difficulty of the Genesis block.
	DurationLimit             = big.NewInt(90)     // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
	DiffForkBlock             = big.NewInt(39000)  // The Block to Fork the DifficultyBoundDivisor to 768
	SstoreSetGas              = big.NewInt(20000)  // Once per SLOAD operation.
	LogDataGas                = big.NewInt(8)      // Per byte in a LOG* operation's data.
	CallStipend               = big.NewInt(2300)   // Free gas given at beginning of call.
	EcrecoverGas              = big.NewInt(3000)   //
	Sha256WordGas             = big.NewInt(12)     //

	MinGasLimit     = big.NewInt(5000)                  // Minimum the gas limit may ever be.
	GenesisGasLimit = big.NewInt(4712388)               // Gas limit of the Genesis block.
	TargetGasLimit  = new(big.Int).Set(GenesisGasLimit) // The artificial target

	Sha3Gas              = big.NewInt(30)     // Once per SHA3 operation.
	Sha256Gas            = big.NewInt(60)     //
	IdentityWordGas      = big.NewInt(3)      //
	Sha3WordGas          = big.NewInt(6)      // Once per word of the SHA3 operation's data.
	SstoreResetGas       = big.NewInt(5000)   // Once per SSTORE operation if the zeroness changes from zero.
	SstoreClearGas       = big.NewInt(5000)   // Once per SSTORE operation if the zeroness doesn't change.
	SstoreRefundGas      = big.NewInt(15000)  // Once per SSTORE operation if the zeroness changes to zero.
	JumpdestGas          = big.NewInt(1)      // Refunded gas, once per SSTORE operation if the zeroness changes to zero.
	IdentityGas          = big.NewInt(15)     //
	GasLimitBoundDivisor = big.NewInt(1024)   // The bound divisor of the gas limit, used in update calculations.
	EpochDuration        = big.NewInt(30000)  // Duration between proof-of-work epochs.
	CallGas              = big.NewInt(40)     // Once per CALL operation & message call transaction.
	CreateDataGas        = big.NewInt(200)    //
	Ripemd160Gas         = big.NewInt(600)    //
	Ripemd160WordGas     = big.NewInt(120)    //
	MinimumDifficulty    = big.NewInt(231072) // The minimum that the difficulty may ever be.
	CallCreateDepth      = big.NewInt(1024)   // Maximum depth of call/create stack.
	ExpGas               = big.NewInt(10)     // Once per EXP instruction.
	LogGas               = big.NewInt(375)    // Per LOG* operation.
	CopyGas              = big.NewInt(3)      //
	StackLimit           = big.NewInt(1024)   // Maximum size of VM stack allowed.
	TierStepGas          = big.NewInt(0)      // Once per operation, for a selection of them.
	LogTopicGas          = big.NewInt(375)    // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas.
	CreateGas            = big.NewInt(32000)  // Once per CREATE operation & contract-creation transaction.
	SuicideRefundGas     = big.NewInt(24000)  // Refunded following a suicide operation.
	MemoryGas            = big.NewInt(3)      // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL.
	TxDataNonZeroGas     = big.NewInt(68)     // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions.

	MaxCodeSize = 24576
)

var (
	TestNetGenesisHash = common.HexToHash("0x991a2a023969dac3739cea2ba92df6c40cf494f156fbc76ea17469a81e412da5") // Testnet genesis hash to enforce below configs on
	MainNetGenesisHash = common.HexToHash("0x4f09f80efaa0ac22046320f6afa92b96371343f7d6da68d2d7d1b44dcc0bc629") // Mainnet genesis hash to enforce below configs on

	TestNetHomesteadBlock = big.NewInt(0)     // Testnet homestead block
	MainNetHomesteadBlock = big.NewInt(90000) // Mainnet homestead block

	TestNetHomesteadGasRepriceBlock = big.NewInt(0)     // Testnet gas reprice block
	MainNetHomesteadGasRepriceBlock = big.NewInt(90000) // Mainnet gas reprice block

	TestNetHomesteadGasRepriceHash = common.HexToHash("0x991a2a023969dac3739cea2ba92df6c40cf494f156fbc76ea17469a81e412da5") // Testnet gas reprice block hash (used by fast sync) // TestNet--GasRepriceHash updated at block 0
	//
	MainNetHomesteadGasRepriceHash = common.HexToHash("0x0") // Mainnet gas reprice block hash (used by fast sync) // MainNet--GasRepriceHash will be updated at Block 150000

	TestNetSpuriousDragon = big.NewInt(10)
	MainNetSpuriousDragon = big.NewInt(90000)

	TestNetChainID = big.NewInt(6) // Test net default chain ID
	MainNetChainID = big.NewInt(5) // main net default chain ID
)

var DAODrainList []common.Address

var DAOForkBlockExtra = common.FromHex("0x64616f2d686172642d666f726b")

var DAOForkExtraRange = big.NewInt(10)

var DAORefundContract = common.HexToAddress("0xbf4ed7b27f1d666546e30d74d50d173d20bca754")

var DiscoveryV5Bootnodes = []string{}

var MainNetDAOForkBlock = big.NewInt(0)

var MainnetBootnodes = []string{

	"enode://516180cabd015454788a6a0a4f3508a4c021bee56064640e6430e418513e3e9d428f8dc5eda01511baf6d39ae2cbb8f2b32117137ca0d5d9435414397a9fa913@138.68.175.161:57955",
	"enode://313b0f81d49c9158c6bb49d82858be09eb903a6ba04bf726c4bd073638049094f0df0ca2e2fb83a18f3815730c4f59522370cb76fafd4009d706a9040bb0a4d0@188.226.143.29:57955",
	"enode://7607042debf4b2de9c894186c2f683ad23e2597612738dc72f5527a4480ed6ec696d6ad97f4bfecb5daa0c2920755350a1b226ff10b588dbbf07037528d1f76f@128.199.229.117:57955",
	"enode://053e556a29aa708b402229578bd714fd4675ca42b8fd4905c2d198bc28eb280dcf95c2981e2471e54dc1c7ee8dcbc9605c49953be09c49ad669828b97d3e9dc3@159.203.58.168:57955",
	"enode://ccbccdaaca76d53e5494dcffe832a0dad2bb2812cdd3febac3a72586943eddbc04b8f92b2029333f96baa6145adbbf651c0cf309fc3cb18dc5667c3242e119d9@139.59.75.90:57955",
	"enode://44afd7dd16d8c4e33fcecc91bf357102b82a5039bdc4f7a6b65b777c9aada8a748c8ad5cc714161a5c7fbdb03d14d69c6bab2a66a34ce323d6e0c0655db8d46b@198.211.103.52:57955",
	"enode://b1cc94fd01d626574cc8e238613801896d7f1928ea240bc767c7c7bccfb9615b574cf4dceba3201a8aef5512bcba21b28552fcacaccc6d08eb631cff6674bb11@104.236.135.29:57955",
}

var MainnetChainConfig = &ChainConfig{
	ChainId:        MainNetChainID,
	HomesteadBlock: MainNetHomesteadBlock,
	DAOForkBlock:   MainNetDAOForkBlock,
	DAOForkSupport: false,
	EIP150Block:    MainNetHomesteadGasRepriceBlock,
	EIP150Hash:     MainNetHomesteadGasRepriceHash,
	EIP155Block:    MainNetSpuriousDragon,
	EIP158Block:    MainNetSpuriousDragon,
}

var TestNetDAOForkBlock *big.Int

var TestnetBootnodes = []string{}

var TestnetChainConfig = &ChainConfig{
	ChainId:        big.NewInt(6),
	HomesteadBlock: big.NewInt(0),
	DAOForkBlock:   nil,
	DAOForkSupport: false,
	EIP150Block:    big.NewInt(0),
	EIP150Hash:     common.HexToHash("0x991a2a023969dac3739cea2ba92df6c40cf494f156fbc76ea17469a81e412da5"),
	EIP155Block:    big.NewInt(10),
	EIP158Block:    big.NewInt(10),
}

var Version = func() string {
	v := fmt.Sprintf("%d.%d.%d", VersionMajor, VersionMinor, VersionPatch)
	if VersionMeta != "" {
		v += "-" + VersionMeta
	}
	return v
}()