This is a test gist

testgist.md

Test

testJS.test.ts

    it('generates known signature', async () => {
          aliceKeys = new PrivateKeyBundleV1(
            privateKey.PrivateKeyBundle.decode(
              ethers.utils.arrayify(
                '0x0a8a030ac20108c192a3f7923112220a2068d2eb2ef8c50c4916b42ce638c5610e44ff4eb3ecb098' +
                  'c9dacf032625c72f101a940108c192a3f7923112460a440a40fc9822283078c323c9319c45e60ab4' +
                  '2c65f6e1744ed8c23c52728d456d33422824c98d307e8b1c86a26826578523ba15fe6f04a17fca17' +
                  '6664ee8017ec8ba59310011a430a410498dc2315dd45d99f5e900a071e7b56142de344540f07fbc7' +
                  '3a0f9a5d5df6b52eb85db06a3825988ab5e04746bc221fcdf5310a44d9523009546d4bfbfbb89cfb' +
                  '12c20108eb92a3f7923112220a20788be9da8e1a1a08b05f7cbf22d86980bc056b130c482fa5bd26' +
                  'ccb8d29b30451a940108eb92a3f7923112460a440a40a7afa25cb6f3fbb98f9e5cd92a1df1898452' +
                  'e0dfa1d7e5affe9eaf9b72dd14bc546d86c399768badf983f07fa7dd16eee8d793357ce6fccd6768' +
                  '07d87bcc595510011a430a410422931e6295c3c93a5f6f5e729dc02e1754e916cb9be16d36dc163a' +
                  '300931f42a0cd5fde957d75c2068e1980c5f86843daf16aba8ae57e8160b8b9f0191def09e'
              )
            ).v1!
          )
          aliceKeystore = await InMemoryKeystore.create(aliceKeys)
          bobKeys = new PrivateKeyBundleV1(
            privateKey.PrivateKeyBundle.decode(
              ethers.utils.arrayify(
                '0x0a88030ac001088cd68df7923112220a209057f8d813314a2aae74e6c4c30f909c1c496b6037ce32' +
                  'a12c613558a8e961681a9201088cd68df7923112440a420a40501ae9b4f75d5bb5bae3ca4ecfda4e' +
                  'de9edc5a9b7fc2d56dc7325b837957c23235cc3005b46bb9ef485f106404dcf71247097ed5096355' +
                  '90f4b7987b833d03661a430a4104e61a7ae511567f4a2b5551221024b6932d6cdb8ecf3876ec64cf' +
                  '29be4291dd5428fc0301963cdf6939978846e2c35fd38fcb70c64296a929f166ef6e4e91045712c2' +
                  '0108b8d68df7923112220a2027707399474d417bf6aae4baa3d73b285bf728353bc3e156b0e32461' +
                  'ebb48f8c1a940108b8d68df7923112460a440a40fb96fa38c3f013830abb61cf6b39776e0475eb13' +
                  '79c66013569c3d2daecdd48c7fbee945dcdbdc5717d1f4ffd342c4d3f1b7215912829751a94e3ae1' +
                  '1007e0a110011a430a4104952b7158cfe819d92743a4132e2e3ae867d72f6a08292aebf471d0a7a2' +
                  '907f3e9947719033e20edc9ca9665874bd88c64c6b62c01928065f6069c5c80c699924'
              )
            ).v1!
          )

          expect(await aliceKeystore.getAccountAddress()).toEqual(
            '0xF56d1F3b1290204441Cb3843C2Cac1C2f5AEd690'
          ) // alice
          expect(bobKeys.getPublicKeyBundle().walletSignatureAddress()).toEqual(
            '0x3De402A325323Bb97f00cE3ad5bFAc96A11F9A34'
          ) // bob
          const response = await aliceKeystore.createInvite({
            recipient: SignedPublicKeyBundle.fromLegacyBundle(
              bobKeys.getPublicKeyBundle()
            ),
            createdNs: dateToNs(new Date()),
            context: {
              conversationId: 'test',
              metadata: {},
            },
          })
          expect(response.conversation!.topic).toEqual(
            '/xmtp/0/m-4b52be1e8567d72d0bc407debe2d3c7fca2ae93a47e58c3f9b5c5068aff80ec5/proto'
          )

          const topicData = Buffer.from(response.conversation!.topic, 'utf-8')
          const signature = await aliceKeys.preKeys[0].sign(
            hexToBytes(keccak256(topicData))
          )
          expect(signature.ecdsaCompact).toEqual(
            '/xmtp/0/m-4b52be1e8567d72d0bc407debe2d3c7fca2ae93a47e58c3f9b5c5068aff80ec5/proto'
          )

          console.log(signature.ecdsaCompact?.bytes)
          
          expect(signature.ecdsaCompact?.bytes).toEqual([
            125, 209, 10, 15, 148, 211, 48, 84, 108, 249, 58, 228, 106, 85, 224,
            233, 232, 113, 108, 226, 147, 128, 215, 230, 77, 183, 97, 50, 64,
            237, 154, 114, 82, 125, 186, 10, 103, 45, 57, 249, 99, 80, 69, 117,
            153, 178, 191, 109, 180, 49, 141, 94, 39, 236, 62, 4, 157, 123, 149,
            151, 1, 248, 221, 195
          ])
        })

testKotlin.kt

    @Test
    fun testGeneratesKnownSignature() {
        // address = 0xF56d1F3b1290204441Cb3843C2Cac1C2f5AEd690
        val aliceKeyData =
            Numeric.hexStringToByteArray("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")
        val aliceKeys = PrivateKeyBundle.parseFrom(aliceKeyData).v1.toV2()

        // address = 0x3De402A325323Bb97f00cE3ad5bFAc96A11F9A34
        val bobKeyData =
            Numeric.hexStringToByteArray("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")
        val bobKeys = PrivateKeyBundle.parseFrom(bobKeyData).v1.toV2()

        val invite = InvitationV1.newBuilder().build().createDeterministic(
            sender = aliceKeys,
            recipient = bobKeys.getPublicKeyBundle(),
            context = InvitationV1ContextBuilder.buildFromConversation("test")
        )
        val topicBytes = invite.topic.toByteArray(Charsets.UTF_8)
        val signature = aliceKeys.preKeysList.first().sign(Hash.sha3(topicBytes))
        assertEquals(signature.ecdsaCompact.bytes.toByteArray().contentToString(), "[125, -47, 10, 15, -108, -45, 48, 84, 108, -7, 58, -28, 106, 85, -32, -23, -24, 113, 108, -30, -109, -128, -41, -26, 77, -73, 97, 50, 64, -19, -102, 114, 82, 125, -70, 10, 103, 45, 57, -7, 99, 80, 69, 117, -103, -78, -65, 109, -76, 49, -115, 94, 39, -20, 62, 4, -99, 123, -107, -105, 1, -8, -35, -61]")
        Log.d("Signature", signature.ecdsaCompact.bytes.toByteArray().contentToString())
    }

testSwift.swift

    func testGeneratesKnownSignature() async throws {
        // address = 0xF56d1F3b1290204441Cb3843C2Cac1C2f5AEd690
        let aliceKeyData = Data(("0x0a8a030ac20108c192a3f7923112220a2068d2eb2ef8c50c4916b42ce638c5610e44ff4eb3ecb098" +
                                "c9dacf032625c72f101a940108c192a3f7923112460a440a40fc9822283078c323c9319c45e60ab4" +
                                "2c65f6e1744ed8c23c52728d456d33422824c98d307e8b1c86a26826578523ba15fe6f04a17fca17" +
                                "6664ee8017ec8ba59310011a430a410498dc2315dd45d99f5e900a071e7b56142de344540f07fbc7" +
                                "3a0f9a5d5df6b52eb85db06a3825988ab5e04746bc221fcdf5310a44d9523009546d4bfbfbb89cfb" +
                                "12c20108eb92a3f7923112220a20788be9da8e1a1a08b05f7cbf22d86980bc056b130c482fa5bd26" +
                                "ccb8d29b30451a940108eb92a3f7923112460a440a40a7afa25cb6f3fbb98f9e5cd92a1df1898452" +
                                "e0dfa1d7e5affe9eaf9b72dd14bc546d86c399768badf983f07fa7dd16eee8d793357ce6fccd6768" +
                                "07d87bcc595510011a430a410422931e6295c3c93a5f6f5e729dc02e1754e916cb9be16d36dc163a" +
                                "300931f42a0cd5fde957d75c2068e1980c5f86843daf16aba8ae57e8160b8b9f0191def09e").web3.bytesFromHex!)
        let aliceKeys = try PrivateKeyBundle(serializedData: aliceKeyData).v1.toV2()

        // address = 0x3De402A325323Bb97f00cE3ad5bFAc96A11F9A34
        let bobKeyData = Data(("0x0a88030ac001088cd68df7923112220a209057f8d813314a2aae74e6c4c30f909c1c496b6037ce32" +
                               "a12c613558a8e961681a9201088cd68df7923112440a420a40501ae9b4f75d5bb5bae3ca4ecfda4e" +
                               "de9edc5a9b7fc2d56dc7325b837957c23235cc3005b46bb9ef485f106404dcf71247097ed5096355" +
                               "90f4b7987b833d03661a430a4104e61a7ae511567f4a2b5551221024b6932d6cdb8ecf3876ec64cf" +
                               "29be4291dd5428fc0301963cdf6939978846e2c35fd38fcb70c64296a929f166ef6e4e91045712c2" +
                               "0108b8d68df7923112220a2027707399474d417bf6aae4baa3d73b285bf728353bc3e156b0e32461" +
                               "ebb48f8c1a940108b8d68df7923112460a440a40fb96fa38c3f013830abb61cf6b39776e0475eb13" +
                               "79c66013569c3d2daecdd48c7fbee945dcdbdc5717d1f4ffd342c4d3f1b7215912829751a94e3ae1" +
                               "1007e0a110011a430a4104952b7158cfe819d92743a4132e2e3ae867d72f6a08292aebf471d0a7a2" +
                               "907f3e9947719033e20edc9ca9665874bd88c64c6b62c01928065f6069c5c80c699924").web3.bytesFromHex!)
        let bobKeys = try PrivateKeyBundle(serializedData: bobKeyData)
        
        let invite = try InvitationV1.createDeterministic(sender: aliceKeys, recipient: bobKeys.v1.toV2().getPublicKeyBundle(), context: InvitationV1.Context.with { $0.conversationID = "test" })

        
        let topicData = invite.topic.data(using: .utf8)!
        let signature = try await aliceKeys.preKeys.first!.sign(Util.keccak256(topicData))
        XCTAssertEqual(signature.ecdsaCompact.bytes.bytes, [125, 209, 10, 15, 148, 211, 48, 84, 108, 249, 58, 228, 106, 85, 224, 233, 232, 113, 108, 226, 147, 128, 215, 230, 77, 183, 97, 50, 64, 237, 154, 114, 82, 125, 186, 10, 103, 45, 57, 249, 99, 80, 69, 117, 153, 178, 191, 109, 180, 49, 141, 94, 39, 236, 62, 4, 157, 123, 149, 151, 1, 248, 221, 195])
        print(signature.ecdsaCompact.bytes.bytes)
    }