Add domain package

packages/domain/__tests__/MuteList.test.ts

@@ -0,0 +1,91 @@
+import {describe, it, expect} from "vitest"
+import {makeSecret, MUTES, FOLLOWS, getPubkeyTagValues} from "@welshman/util"
+import type {TrustedEvent} from "@welshman/util"
+import {Nip01Signer} from "@welshman/signer"
+import {MuteList} from "../src/MuteList"
+
+const signer = new Nip01Signer(makeSecret())
+
+const a = "aa".repeat(32)
+const b = "bb".repeat(32)
+const c = "cc".repeat(32)
+
+describe("MuteList", () => {
+  it("round-trips public and private mutes through encryption", async () => {
+    const list = MuteList.make().addPublicly(a).addPrivately(b)
+
+    expect(list.pubkeys.sort()).toEqual([a, b].sort())
+    expect(list.includes(a)).toBe(true)
+    expect(list.includes(b)).toBe(true)
+    expect(list.includes(c)).toBe(false)
+
+    const event = await list.toEvent(signer)
+
+    expect(event.kind).toBe(MUTES)
+    expect(event.sig).toBeTruthy()
+    // Public entry is visible in tags; private entry is encrypted in content.
+    expect(getPubkeyTagValues(event.tags)).toEqual([a])
+    expect(event.content).not.toBe("")
+
+    // Re-parsing with a capable signer recovers the private entries.
+    const decrypted = await MuteList.parse(event, signer)
+
+    expect(decrypted.isDecrypted).toBe(true)
+    expect(decrypted.pubkeys.sort()).toEqual([a, b].sort())
+
+    // Parsing without a signer exposes only the public entries.
+    const publicOnly = await MuteList.parse(event)
+
+    expect(publicOnly.isDecrypted).toBe(false)
+    expect(publicOnly.pubkeys).toEqual([a])
+  })
+
+  it("removes from both public and private entries", async () => {
+    const list = MuteList.make().addPublicly(a).addPrivately(b)
+
+    list.remove(a)
+    list.remove(b)
+
+    expect(list.pubkeys).toEqual([])
+  })
+
+  it("preserves undecrypted ciphertext on pass-through serialization", async () => {
+    const event = await MuteList.make().addPrivately(b).toEvent(signer)
+    const undecrypted = await MuteList.parse(event)
+
+    // We never decrypted, so the original ciphertext must survive untouched.
+    const template = await undecrypted.getTemplate(signer)
+
+    expect(template.content).toBe(event.content)
+  })
+
+  it("refuses private mutation when undecrypted", async () => {
+    const event = await MuteList.make().addPrivately(b).toEvent(signer)
+    const undecrypted = await MuteList.parse(event)
+
+    expect(() => undecrypted.addPrivately(c)).toThrow()
+  })
+
+  it("toRumor encrypts but does not sign", async () => {
+    const rumor = await MuteList.make().addPrivately(b).toRumor(signer)
+
+    expect(rumor.id).toBeTruthy()
+    expect((rumor as TrustedEvent).sig).toBeUndefined()
+    expect(rumor.content).not.toBe("")
+  })
+
+  it("serializes to JSON", async () => {
+    const list = MuteList.make().addPublicly(a).addPrivately(b)
+    const json = JSON.parse(JSON.stringify(list))
+
+    expect(json.kind).toBe(MUTES)
+    expect(json.publicTags).toEqual([["p", a]])
+    expect(json.privateTags).toEqual([["p", b]])
+  })
+
+  it("throws on the wrong kind", async () => {
+    const event = {kind: FOLLOWS, tags: [], content: "", pubkey: a} as TrustedEvent
+
+    await expect(MuteList.parse(event)).rejects.toThrow()
+  })
+})

packages/domain/__tests__/Profile.test.ts

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+import {describe, it, expect} from "vitest"
+import {makeSecret, PROFILE, NOTE} from "@welshman/util"
+import type {TrustedEvent} from "@welshman/util"
+import {Nip01Signer} from "@welshman/signer"
+import {Profile, displayPubkey} from "../src/Profile"
+
+const signer = new Nip01Signer(makeSecret())
+const pubkey = "ee".repeat(32)
+
+const makeEvent = (overrides: Partial<TrustedEvent> = {}): TrustedEvent =>
+  ({
+    id: "ff".repeat(32),
+    pubkey,
+    created_at: 0,
+    kind: PROFILE,
+    tags: [],
+    content: "",
+    sig: "00".repeat(64),
+    ...overrides,
+  }) as TrustedEvent
+
+describe("Profile", () => {
+  it("parses and re-signs profile content", async () => {
+    const event = makeEvent({
+      content: JSON.stringify({name: "alice", about: "hi"}),
+      tags: [["alt", "profile"]],
+    })
+
+    const profile = Profile.parse(event)
+
+    expect(profile.values.name).toBe("alice")
+    expect(profile.hasName()).toBe(true)
+    expect(profile.display()).toBe("alice")
+
+    const signed = await profile.toEvent(signer)
+
+    expect(signed.kind).toBe(PROFILE)
+    expect(JSON.parse(signed.content).name).toBe("alice")
+    // Source tags are preserved.
+    expect(signed.tags).toEqual([["alt", "profile"]])
+  })
+
+  it("derives lnurl from a lud16 address", () => {
+    const profile = Profile.make({lud16: "alice@example.com"})
+
+    expect(profile.values.lnurl).toBeTruthy()
+  })
+
+  it("set merges and re-derives values", () => {
+    const profile = Profile.make({name: "alice"})
+
+    profile.set({about: "hello"})
+
+    expect(profile.values.name).toBe("alice")
+    expect(profile.values.about).toBe("hello")
+  })
+
+  it("display falls back to a shortened npub", () => {
+    const profile = Profile.parse(makeEvent({content: "{}"}))
+
+    expect(profile.display()).toBe(displayPubkey(pubkey))
+  })
+
+  it("serializes to JSON", () => {
+    const profile = Profile.make({name: "alice"})
+
+    expect(JSON.parse(JSON.stringify(profile))).toEqual({name: "alice"})
+  })
+
+  it("throws on the wrong kind", () => {
+    expect(() => Profile.parse(makeEvent({kind: NOTE}))).toThrow()
+  })
+})