Add some utils, kinds

packages/util/src/Events.ts

@@ -98,6 +98,8 @@ export const hasValidSignature = cached<string, boolean, [SignedEvent]>({
   },
 })
 
+export const getIdentifier = (e: EventTemplate) => e.tags.find(t => t[0] === 'd')?.[1]
+
 export const getIdOrAddress = (e: HashedEvent) => isReplaceable(e) ? getAddress(e) : e.id
 
 export const getIdAndAddress = (e: HashedEvent) => isReplaceable(e) ? [e.id, getAddress(e)] : [e.id]

packages/util/src/Kinds.ts

@@ -14,10 +14,10 @@ export const DELETE = 5
 export const REPOST = 6
 export const REACTION = 7
 export const BADGE_AWARD = 8
-export const GROUP_CHAT_MESSAGE = 9
-export const GROUP_CHAT_REPLY = 10
-export const GROUP_CHAT_THREAD = 11
-export const GROUP_CHAT_THREAD_REPLY = 12
+export const CHAT_MESSAGE = 9
+export const CHAT_REPLY = 10
+export const GROUP_NOTE = 11
+export const GROUP_REPLY = 12
 export const SEAL = 13
 export const DIRECT_MESSAGE = 14
 export const GENERIC_REPOST = 16
@@ -84,6 +84,15 @@ export const DVM_RESPONSE_OTS = 6900
 export const DVM_RESPONSE_OP_RETURN = 6901
 export const DVM_RESPONSE_PUBLISH_SCHEDULE = 6905
 export const DVM_FEEDBACK = 7000
+export const GROUP_ADD_USER = 9000
+export const GROUP_REMOVE_USER = 9001
+export const GROUP_EDIT_META = 9002
+export const GROUP_ADD_PERM = 9003
+export const GROUP_REMOVE_PERM = 9004
+export const GROUP_DELETE_EVENT = 9005
+export const GROUP_EDIT_STATUS = 9006
+export const GROUP_CREATE = 9007
+export const GROUP_JOIN = 9021
 export const ZAP_GOAL = 9041
 export const ZAP_REQUEST = 9734
 export const ZAP_RESPONSE = 9735
@@ -146,6 +155,8 @@ export const HANDLER_RECOMMENDATION = 31989
 export const HANDLER_INFORMATION = 31990
 export const COMMUNITY = 34550
 export const GROUP = 35834
+export const GROUP_META = 39000
+export const GROUP_ADMINS = 39001
 
 export const DEPRECATED_RELAY_RECOMMENDATION = 2
 export const DEPRECATED_DIRECT_MESSAGE = 4

packages/util/src/Tags.ts

@@ -2,6 +2,7 @@ import {EventTemplate} from 'nostr-tools'
 import type {OmitStatics} from '@welshman/lib'
 import {Fluent, ensurePlural} from '@welshman/lib'
 import {isShareableRelayUrl, normalizeRelayUrl} from './Relay'
+import {Address, isContextAddress} from './Address'
 import {GROUP, COMMUNITY} from './Kinds'
 
 export class Tag extends (Fluent<string> as OmitStatics<typeof Fluent<string>, 'from'>) {
@@ -204,3 +205,45 @@ export class Tags extends (Fluent<Tag> as OmitStatics<typeof Fluent<Tag>, 'from'
 
   setIMeta = (imeta: Tags[]) => this.removeIMeta().addIMeta(imeta)
 }
+
+// New, simpler version
+
+export const getTags =
+  (types: string[], testValue?: (v: string) => boolean) =>
+  (tags: string[][]) =>
+    tags.filter(t => types.includes(t[0]) && (!testValue || testValue(t[1] || "")))
+
+export const getTagValues = (types: string[], testValue?: (v: string) => boolean) => {
+  const _getTags = getTags(types, testValue)
+
+  return (tags: string[][]) => _getTags(tags).map(t => t[1] || "")
+}
+
+export const getTagValue = (types: string[], testValue?: (v: string) => boolean) => {
+  const _getTagValues = getTagValues(types, testValue)
+
+  return (tags: string[][]) => _getTagValues(tags)[0]
+}
+
+export const getEventTags = getTags(["e"], id => id.length === 64)
+
+export const getEventTagValues = getTagValues(["e"], id => id.length === 64)
+
+export const getAddressTags = getTags(["a"], Address.isAddress)
+
+export const getAddressTagValues = getTagValues(["a"], Address.isAddress)
+
+export const getContextTagValues = (tags: string[][]) =>
+  getAddressTagValues(tags).filter(isContextAddress)
+
+export const getPubkeyTags = getTags(["p"], pk => pk.length === 64)
+
+export const getPubkeyTagValues = getTagValues(["p"], pk => pk.length === 64)
+
+export const getRelayTags = getTags(["r", "relay"], isShareableRelayUrl)
+
+export const getRelayTagValues = getTagValues(["r", "relay"], isShareableRelayUrl)
+
+export const getGroupTags = getTags(["h", "group"], h => Boolean(h.match(/^(.+)'(.+)$/)))
+
+export const getGroupTagValues = getTagValues(["h", "group"], h => Boolean(h.match(/^(.+)'(.+)$/)))