consensus

var (
	HpbNodenumber = 31    //hpb nodes number
	NumberPrehp   = 20    //nodes num from 151 nodes select
	IgnoreRetErr  = false //ignore finalize return err

	StageNumberII  uint64 = 260000
	StageNumberIII uint64 = 1200000
	StageNumberIV  uint64 = 2560000
	StageNumberV   uint64 = 999999000000 // unused forever
	StageNumberVI  uint64 = 2561790
	StageNumberVII uint64 = 2896000

	StageNumberRealRandom uint64 = 5159000               // used to enable real random.
	StateNumberNewHash           = StageNumberRealRandom // used to enable fpga hashV2 and limit continue gen block.

	StageNumberUpgradedEVM uint64 = 8685000 // used to upgraded EVM .

	StageNumberNewPrecompiledContract uint64 = 11850000

	ContinuousGenBlkLimit uint64 = 2

	NewContractVersion        uint64 = 3788000
	CadNodeCheckpointInterval uint64 = 200

	StageElectionKey             = "ElectionBlock"
	StageNumberElection   uint64 = MaxBlockForever // got from contract, otherwise forever not used.
	StageNumberEvmBugFork uint64 = 12414000        // fix contract bug for unlimited generate HPB coin happend at 2021-10-20
)

var (
	// ErrUnknownAncestor is returned when validating a block requires an ancestor
	// that is unknown.
	ErrUnknownAncestor = errors.New("unknown ancestor")

	// ErrFutureBlock is returned when a block's timestamp is in the future according
	// to the current node.
	ErrFutureBlock = errors.New("block in the future")

	// ErrInvalidNumber is returned if a block's number doesn't equal it's parent's
	// plus one.
	ErrInvalidNumber = errors.New("invalid block number")

	// extra-data
	ErrMissingVanity = errors.New("extra-data 32 byte vanity prefix missing")

	ErrMissingSignature = errors.New("extra-data 65 byte suffix signature missing")

	ErrExtraSigners = errors.New("non-checkpoint block contains extra signer list")

	// invalid signer list on checkpoint block
	ErrInvalidCheckpointSigners = errors.New("invalid signer list on checkpoint block")

	ErrInvalidMixDigest = errors.New("non-zero mix digest")

	ErrInvalidUncleHash = errors.New("non empty uncle hash")

	// invalid difficulty, only 1 or 2 allowed
	ErrInvalidDifficulty = errors.New("invalid difficulty")

	ErrInvalidTimestamp = errors.New("invalid timestamp")

	ErrInvalidVotingChain = errors.New("invalid voting chain")

	ErrUnauthorized = errors.New("unauthorized")

	ErrWaitTransactions = errors.New("waiting for transactions")

	ErrUnknownBlock = errors.New("unknown block")

	ErrInvalidCheckpointBeneficiary = errors.New("beneficiary in checkpoint block non-zero")

	ErrInvalidVote = errors.New("vote nonce not 0x00..0 or 0xff..f")

	// vote nonce in checkpoint block non-zero
	ErrInvalidCheckpointVote = errors.New("vote nonce in checkpoint block non-zero")
	// reject block but do not drop peer
	ErrInvalidblockbutnodrop = errors.New("reject block but do not drop peer")
	// boe hecheck err
	Errboehwcheck = errors.New("boe hwcheck err")
	// verify header random err
	Errrandcheck = errors.New("verify header random err")
	// bandwith err
	ErrBandwith = errors.New("verify header bandwith beyond the limit")
	// bad param
	ErrBadParam = errors.New("input bad param")
	// invalid cadaddress
	ErrInvalidCadaddr = errors.New("invalid cadaddress")
	Errnilparam       = errors.New("input param is nil")
	ErrNoLastBlock    = errors.New("No Last Block when verify during the fullsync")
)

var (
	NonceAuthVote = hexutil.MustDecode("0xffffffffffffffff") // Magic nonce number to vote on adding a new signerHash
	NonceDropVote = hexutil.MustDecode("0x0000000000000000") // Magic nonce number to vote on removing a signerHash.
	Zeroaddr      = common.HexToAddress("0x0000000000000000000000000000000000000000")

	ExtraVanity = 32 // Fixed number of extra-data prefix bytes reserved for signerHash vanity
	ExtraSeal   = 65 // Fixed number of extra-data suffix bytes reserved for signerHash seal
)