112 lines
2.7 KiB
Ruby
112 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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module Nostr
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# Part of an +Event+. A complete +Event+ must have an +id+ and a +sig+.
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class EventFragment
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# 32-bytes hex-encoded public key of the event creator
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#
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# @api public
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#
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# @example
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# event.pubkey # => '48df4af6e240ac5f7c5de89bf5941b249880be0e87d03685b178ccb1a315f52e'
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#
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# @return [String]
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#
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attr_reader :pubkey
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# Date of the creation of the vent. A UNIX timestamp, in seconds
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#
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# @api public
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#
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# @example
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# event.created_at # => 1230981305
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#
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# @return [Integer]
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#
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attr_reader :created_at
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# The kind of the event. An integer from 0 to 2
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#
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# @api public
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#
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# @example
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# event.kind # => 1
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#
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# @return [Integer]
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#
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attr_reader :kind
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# An array of tags. Each tag is an array of strings
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#
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# @api public
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#
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# @example Tags referencing an event
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# event.tags #=> [["e", "event_id", "relay URL"]]
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#
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# @example Tags referencing a key
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# event.tags #=> [["p", "event_id", "relay URL"]]
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#
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# @return [Array<Array>]
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#
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attr_reader :tags
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# An arbitrary string
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#
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# @api public
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#
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# @example
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# event.content # => 'Your feedback is appreciated, now pay $8'
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#
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# @return [String]
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#
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attr_reader :content
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# Instantiates a new EventFragment
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#
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# @api public
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#
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# @example
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# Nostr::EventFragment.new(
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# pubkey: 'ccf9fdf3e1466d7c20969c71ec98defcf5f54aee088513e1b73ccb7bd770d460',
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# created_at: 1230981305,
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# kind: 1,
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# tags: [['e', '189df012cfff8a075785b884bd702025f4a7a37710f581c4ac9d33e24b585408']],
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# content: 'Your feedback is appreciated, now pay $8'
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# )
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#
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# @param pubkey [String] 32-bytes hex-encoded public key of the event creator.
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# @param created_at [Integer] Date of the creation of the vent. A UNIX timestamp, in seconds.
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# @param kind [Integer] The kind of the event. An integer from 0 to 2.
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# @param tags [Array<Array>] An array of tags. Each tag is an array of strings.
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# @param content [String] Arbitrary string.
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#
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def initialize(pubkey:, kind:, content:, created_at: Time.now.to_i, tags: [])
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@pubkey = pubkey
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@created_at = created_at
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@kind = kind
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@tags = tags
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@content = content
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end
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# Serializes the event fragment, to obtain a SHA256 hash of it
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#
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# @api public
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#
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# @example Converting the event to a hash
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# event_fragment.serialize
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#
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# @return [Array] The event fragment as an array.
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#
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def serialize
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[
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0,
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pubkey,
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created_at,
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kind,
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tags,
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content
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]
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end
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end
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end
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