Add NIP-25 utils

nip25.test.js

@@ -0,0 +1,104 @@
+/* eslint-env jest */
+
+const {nip25, finishEvent, getPublicKey, Kind} = require('./lib/nostr.cjs')
+
+describe('finishReactionEvent + getReactedEventPointer', () => {
+  const privateKey =
+        'd217c1ff2f8a65c3e3a1740db3b9f58b8c848bb45e26d00ed4714e4a0f4ceecf'
+
+  const publicKey = getPublicKey(privateKey)
+
+  const reactedEvent = finishEvent({
+    kind: Kind.Text,
+    tags: [
+      ['e', 'replied event id'],
+      ['p', 'replied event pubkey'],
+    ],
+    content: 'Replied to a post',
+    created_at: 1617932115
+  }, privateKey)
+
+  it('should create a signed event from a minimal template', () => {
+    const template = {
+      created_at: 1617932115
+    }
+
+    const event = nip25.finishReactionEvent(template, reactedEvent, privateKey)
+
+    expect(event.kind).toEqual(Kind.Reaction)
+    expect(event.tags).toEqual([
+      [
+        'e',
+        'replied event id',
+      ],
+      [
+        'p',
+        'replied event pubkey',
+      ],
+      [
+        'e',
+        '0ecdbd4dba0652afb19e5f638257a41552a37995a4438ef63de658443f8d16b1',
+      ],
+      [
+        'p',
+        '6af0f9de588f2c53cedcba26c5e2402e0d0aa64ec7b47c9f8d97b5bc562bab5f',
+      ],
+    ])
+    expect(event.content).toEqual('+')
+    expect(event.created_at).toEqual(template.created_at)
+    expect(event.pubkey).toEqual(publicKey)
+    expect(typeof event.id).toEqual('string')
+    expect(typeof event.sig).toEqual('string')
+
+    const reactedEventPointer = nip25.getReactedEventPointer(event)
+
+    expect(reactedEventPointer.id).toEqual(reactedEvent.id)
+    expect(reactedEventPointer.author).toEqual(reactedEvent.pubkey)
+  })
+
+  it('should create a signed event from a filled template', () => {
+    const template = {
+      tags: [
+        ['nonstandard', 'tag'],
+      ],
+      content: '👍',
+      created_at: 1617932115
+    }
+
+    const event = nip25.finishReactionEvent(template, reactedEvent, privateKey)
+
+    expect(event.kind).toEqual(Kind.Reaction)
+    expect(event.tags).toEqual([
+      [
+        'nonstandard',
+        'tag',
+      ],
+      [
+        'e',
+        'replied event id',
+      ],
+      [
+        'p',
+        'replied event pubkey',
+      ],
+      [
+        'e',
+        '0ecdbd4dba0652afb19e5f638257a41552a37995a4438ef63de658443f8d16b1',
+      ],
+      [
+        'p',
+        '6af0f9de588f2c53cedcba26c5e2402e0d0aa64ec7b47c9f8d97b5bc562bab5f',
+      ],
+    ])
+    expect(event.content).toEqual('👍')
+    expect(event.created_at).toEqual(template.created_at)
+    expect(event.pubkey).toEqual(publicKey)
+    expect(typeof event.id).toEqual('string')
+    expect(typeof event.sig).toEqual('string')
+
+    const reactedEventPointer = nip25.getReactedEventPointer(event)
+
+    expect(reactedEventPointer.id).toEqual(reactedEvent.id)
+    expect(reactedEventPointer.author).toEqual(reactedEvent.pubkey)
+  })
+})