validation

type Argument interface {
	Dependency

	Arg() []byte
}

type ContextDatum interface{}

type Dependency interface{}

type ExecutionFailureError struct {
	Reason string
}

type Plugin interface {
	Validate(block *common.Block, namespace string, txPosition int, actionPosition int, contextData ...ContextDatum) error

	Init(dependencies ...Dependency) error
}

type PluginFactory interface {
	New() Plugin
}