protocol

type ActionEnvelopeValidator interface {
	Validate(context.Context, action.SealedEnvelope) error
}

type ActionHandler interface {
	Handle(context.Context, action.Action, StateManager) (*action.Receipt, error)
}

type ActionValidator interface {
	Validate(context.Context, action.Action) error
}

type ChainManager interface {
	// GetChainID returns the chain ID
	ChainID() uint32
	// GetHashByHeight returns Block's hash by height
	GetHashByHeight(height uint64) (hash.Hash32B, error)
	// StateByAddr returns account of a given address
	StateByAddr(address string) (*state.Account, error)
	// Nonce returns the nonce if the account exists
	Nonce(addr string) (uint64, error)
}

type GenericValidator struct {
	// contains filtered or unexported fields
}

type Protocol interface {
	ActionValidator
	ActionHandler
}

type RunActionsCtx struct {
	// EpochNumber is the epoch number
	EpochNumber uint64
	// height of block containing those actions
	BlockHeight uint64
	// hash of block containing those actions
	BlockHash hash.Hash32B
	// timestamp of block containing those actions
	BlockTimeStamp int64
	// gas Limit for perform those actions
	GasLimit *uint64
	// whether disable gas charge
	EnableGasCharge bool
	// Producer is the address of whom composes the block containing this action
	Producer address.Address
	// Caller is the address of whom issues this action
	Caller address.Address
	// ActionHash is the hash of the action with the sealed envelope
	ActionHash hash.Hash32B
	// Nonce is the nonce of the action
	Nonce uint64
}

type StateManager interface {
	// Accounts
	Height() uint64
	Snapshot() int
	Revert(int) error
	// General state
	State(hash.PKHash, interface{}) error
	PutState(hash.PKHash, interface{}) error
	DelState(pkHash hash.PKHash) error
	GetDB() db.KVStore
	GetCachedBatch() db.CachedBatch
}

type ValidateActionsCtx struct {
	// height of block containing those actions
	BlockHeight uint64
	// public key of producer who compose those actions
	ProducerAddr string
	// Caller is the address of whom issues the action
	Caller address.Address
}