cloudevent

type CloudEvent[A any] struct {
	CloudEventHeader
	// Data contains domain-specific information about the event.
	Data A `json:"data"`
}

type CloudEventHeader struct {
	// ID is an identifier for the event. The combination of ID and Source must
	// be unique.
	ID string `json:"id"`

	// Source is the context in which the event happened. In a distributed system it might consist of multiple Producers.
	Source string `json:"source"`

	// Producer is a specific instance, process or device that creates the data structure describing the CloudEvent.
	Producer string `json:"producer"`

	// SpecVersion is the version of CloudEvents specification used. For now,
	// this is always "1.0".
	SpecVersion string `json:"specversion"`

	// Subject is an optional field identifying the subject of the event within
	// the context of the event producer. In practice, we always set this.
	Subject string `json:"subject"`

	// Time is an optional field giving the time at which the event occurred. In
	// practice, we always set this.
	Time time.Time `json:"time"`

	// Type describes the type of event. It should generally be a reverse-DNS
	// name.
	Type string `json:"type"`

	// DataContentType is an optional MIME type for the data field. We almost
	// always serialize to JSON and in that case this field is implicitly
	// "application/json".
	DataContentType string `json:"datacontenttype,omitempty"`

	// DataSchema is an optional URI pointing to a schema for the data field.
	DataSchema string `json:"dataschema,omitempty"`

	// DataVersion is the version of the data type.
	DataVersion string `json:"dataversion,omitempty"`
}

type NFTDID struct {
	ChainID         uint64         `json:"chainId"`
	ContractAddress common.Address `json:"contract"`
	TokenID         uint32         `json:"tokenId"`
}