add test scenario for transaction reference content type

packages/content-type-transaction-reference/src/TransactionReference.test.ts

@@ -3,4 +3,63 @@ import { Client } from "@xmtp/xmtp-js";
 import { ContentTypeTransactionReference, TransactionReferenceCodec } from "./TransactionReference";
 import type { TransactionReference } from "./TransactionReference";
 
-// TODO
+test("content type exists", () => {
+  expect(ContentTypeTransactionReference.authorityId).toBe("xmtp.org");
+  expect(ContentTypeTransactionReference.typeId).toBe("transactionReference");
+  expect(ContentTypeTransactionReference.versionMajor).toBe(1);
+  expect(ContentTypeTransactionReference.versionMinor).toBe(0);
+});
+
+test('should successfully send and receive a TransactionReference message', async () => {
+  const aliceWallet = Wallet.createRandom();
+  const aliceClient = await Client.create(aliceWallet, {
+    codecs: [new TransactionReferenceCodec()],
+    env: "local",
+  });
+  await aliceClient.publishUserContact();
+
+  const bobWallet = Wallet.createRandom();
+  const bobClient = await Client.create(bobWallet, {
+    codecs: [new TransactionReferenceCodec()],
+    env: "local",
+  });
+  await bobClient.publishUserContact();
+
+  const conversation = await aliceClient.conversations.newConversation(
+    bobWallet.address,
+  );
+
+  const transactionRefToSend: TransactionReference = {
+    namespace: "eip155",
+    networkId: "0x14a33",
+    reference: "0xa7cd32b79204559e46b4ef9b519fce58cedb25246f48d0c00bd628e873a81f2f",
+    metadata: {
+      transactionType: "transfer",
+      currency: "USDC",
+      amount: 1337,
+      decimals: 6,  
+      fromAddress: aliceWallet.address,
+      toAddress: bobWallet.address,
+    },
+  };
+
+  await conversation.send(transactionRefToSend, {
+    contentType: ContentTypeTransactionReference,
+  });
+
+  const bobConversation = await bobClient.conversations.newConversation(
+    aliceWallet.address,
+  );
+
+  const messages = await bobConversation.messages();
+
+  expect(messages.length).toBe(1);
+
+  const message = messages[0];
+  const messageContent = message.content as TransactionReference;
+
+  expect(messageContent.namespace).toBe(transactionRefToSend.namespace);
+  expect(messageContent.networkId).toBe(transactionRefToSend.networkId);
+  expect(messageContent.reference).toBe(transactionRefToSend.reference);
+  expect(messageContent.metadata).toEqual(transactionRefToSend.metadata);
+})