85 lines
1.7 KiB
Go
85 lines
1.7 KiB
Go
// Roots is a purposefully minimal Nostr protocol library that provides only
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// the primitives that define protocol compliance: event structure,
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// serialization, cryptographic signatures, and subscription filters.
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package events
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import (
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"time"
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)
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// Tag represents a single tag within an event as an array of strings.
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// The first element identifies the tag name, the second contains the value,
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// and subsequent elements are optional.
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type Tag []string
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// Event represents a Nostr protocol event, with its seven required fields.
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// All fields must be present for a valid event.
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//easyjson:json
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type Event struct {
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ID string `json:"id"`
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PubKey string `json:"pubkey"`
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CreatedAt int64 `json:"created_at"`
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Kind int `json:"kind"`
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Tags []Tag `json:"tags"`
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Content string `json:"content"`
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Sig string `json:"sig"`
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}
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func NewEvent(opts ...EventOption) Event {
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e := Event{Tags: make([]Tag, 0)}
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for _, opt := range opts {
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opt(&e)
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}
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return e
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}
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type EventOption func(*Event)
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func WithID(id string) EventOption {
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return func(e *Event) {
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e.ID = id
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}
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}
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func WithPubKey(pk string) EventOption {
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return func(e *Event) {
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e.PubKey = pk
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}
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}
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func WithCreatedAt(t int64) EventOption {
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return func(e *Event) {
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e.CreatedAt = t
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}
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}
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func WithCreatedAtTime(t time.Time) EventOption {
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return func(e *Event) {
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e.CreatedAt = t.Unix()
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}
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}
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func WithKind(k int) EventOption {
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return func(e *Event) {
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e.Kind = k
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}
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}
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func WithTag(t Tag) EventOption {
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return func(e *Event) {
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e.Tags = append(e.Tags, t)
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}
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}
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func WithContent(c string) EventOption {
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return func(e *Event) {
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e.Content = c
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}
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}
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func WithSig(s string) EventOption {
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return func(e *Event) {
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e.Sig = s
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}
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}
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