Nip01Event class

basic nostr nip01 event data structure

Implementers

Constructors

Nip01Event({required String pubKey, required int kind, required List<List<String>> tags, required String content, int createdAt = 0})
Creates a new Nostr event.
Nip01Event.fromJson(Map data)
factory

Properties

content ↔ String
Event content.
getter/setter pair
createdAt ↔ int
Event creation timestamp in Unix time.
getter/setter pair
hashCode → int
The hash code for this object.
no setteroverride
id ↔ String
The event ID is a 32-byte SHA256 hash of the serialised event data.
getter/setter pair
isIdValid → bool
is Id valid?
no setter
kind → int
Event kind identifier (e.g. text_note, set_metadata, etc).
final
naddr → String?
Encode this event as an naddr (NIP-19 addressable event coordinate)
no setter
nevent → String
Encode this event as a nevent (NIP-19 event reference)
no setter
powCommitment → int
Calculate the commitment (work done) for this event
no setter
powDifficulty → int
Get the proof of work difficulty of this event
no setter
pTags → List<String>
return all p tags in event
no setter
pubKey → String
The event author's public key.
final
replyETags → List<String>
return all e tags in event that have a reply marker
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
sig ↔ String
64-byte Schnorr signature of Nip01Event.id.
getter/setter pair
sources ↔ List<String>
Relay that an event was received from
getter/setter pair
tags ↔ List<List<String>>
A JSON array of event tags.
getter/setter pair
targetPoWDifficulty → int?
Get the target difficulty from nonce tag if present
no setter
tTags → List<String>
return all t tags in event
no setter
validSig ↔ bool?
has signature been validated?
getter/setter pair

Methods

checkPoWDifficulty(int targetDifficulty) → bool
Check if this event meets a specific difficulty target
copyWith({String? pubKey, int? createdAt, int? kind, List<List<String>>? tags, String? content, String? sig, List<String>? sources}) → Nip01Event
getDtag() → String?
return first found d tag
getEId() → String?
return first e tag found
getFirstTag(String name) → String?
Get first tag matching given name
getTags(String tag) → List<String>
return all tags that match given tag e.g. 'p'
minePoW(int targetDifficulty, {int? maxIterations}) → Nip01Event
Mine this event with proof of work
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
sign(String privateKey) → void
sign the event with given privateKey WARN only for testing! Use EventSigner to sign events in production
toBase64() → String
Returns the Event object as a base64-encoded JSON string
toJson() → Map<String, dynamic>
Returns the Event object as a JSON object
toString() → String
A string representation of this object.
override

Operators

operator ==(Object other) → bool
The equality operator.
override

Static Methods

secondsSinceEpoch() → int
seconds since epoch

Constants

kTextNodeKind → const int