interop

type Context struct {
	Chain         blockchainer.Blockchainer
	Container     hash.Hashable
	Network       uint32
	Natives       []Contract
	Trigger       trigger.Type
	Block         *block.Block
	NonceData     [16]byte
	Tx            *transaction.Transaction
	DAO           *dao.Cached
	Notifications []state.NotificationEvent
	Log           *zap.Logger
	VM            *vm.VM
	Functions     []Function
	// contains filtered or unexported fields
}

type Contract interface {
	Initialize(*Context) error
	Metadata() *ContractMD
	OnPersist(*Context) error
	PostPersist(*Context) error
}

type ContractMD struct {
	state.NativeContract
	Name    string
	Methods []MethodAndPrice
}

type Function struct {
	ID   uint32
	Name string
	Func func(*Context) error
	// ParamCount is a number of function parameters.
	ParamCount int
	Price      int64
	// RequiredFlags is a set of flags which must be set during script invocations.
	// Default value is NoneFlag i.e. no flags are required.
	RequiredFlags callflag.CallFlag
}

type Method = func(ic *Context, args []stackitem.Item) stackitem.Item

type MethodAndPrice struct {
	Func          Method
	MD            *manifest.Method
	CPUFee        int64
	StorageFee    int64
	SyscallOffset int
	RequiredFlags callflag.CallFlag
}