ibft

type BaseConsensusMechanism struct {

	// Available periods
	From uint64
	To   *uint64
	// contains filtered or unexported fields
}

type ConsensusMechanism interface {
	// GetType returns the type of IBFT consensus mechanism (PoA / PoS)
	GetType() MechanismType

	// GetHookMap returns the hooks registered with the specific consensus mechanism
	GetHookMap() map[HookType]func(interface{}) error

	// IsAvailable returns whether the corresponding hook is available
	IsAvailable(hook HookType, height uint64) bool

	// ShouldWriteTransactions returns whether transactions should be written to a block
	// from the TxPool
	ShouldWriteTransactions(blockNumber uint64) bool
	// contains filtered or unexported methods
}

type ConsensusMechanismFactory func(ibft *backendIBFT, params *IBFTFork) (ConsensusMechanism, error)

type HookType string

type IBFTConsensus struct {
	*core.IBFT
	// contains filtered or unexported fields
}

type IBFTFork struct {
	Type              MechanismType      `json:"type"`
	Deployment        *common.JSONNumber `json:"deployment,omitempty"`
	From              common.JSONNumber  `json:"from"`
	To                *common.JSONNumber `json:"to,omitempty"`
	MaxValidatorCount *common.JSONNumber `json:"maxValidatorCount,omitempty"`
	MinValidatorCount *common.JSONNumber `json:"minValidatorCount,omitempty"`
}

type IstanbulExtra struct {
	Validators    []types.Address
	ProposerSeal  []byte
	CommittedSeal [][]byte
}

type MechanismType string

type PoAMechanism struct {
	BaseConsensusMechanism
}

type PoSMechanism struct {
	BaseConsensusMechanism
	// Params
	ContractDeployment uint64 // The height when deploying staking contract
	MaxValidatorCount  uint64
	MinValidatorCount  uint64
}

type QuorumImplementation func(ValidatorSet) int

type Snapshot struct {
	// block number when the snapshot was created
	Number uint64

	// block hash when the snapshot was created
	Hash string

	// votes casted in chronological order
	Votes []*Vote

	// current set of validators
	Set ValidatorSet
}

type ValidatorSet []types.Address

type Vote struct {
	Validator types.Address
	Address   types.Address
	Authorize bool
}