From b7877d136db8e5a15af30a34c21b0a45c083bf49 Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@warta.it>
Date: Tue, 4 Feb 2020 00:02:44 +0100
Subject: [PATCH] Test nodeInfo and encodeTx in RestServer

---
 packages/sdk/src/restclient.spec.ts      | 31 +++++++++++++++++
 packages/sdk/src/restclient.ts           |  2 +-
 packages/sdk/src/testdata/cosmoshub.json | 44 ++++++++++++++++++++++++
 packages/sdk/types/restclient.d.ts       |  1 +
 4 files changed, 77 insertions(+), 1 deletion(-)
 create mode 100644 packages/sdk/src/testdata/cosmoshub.json

diff --git a/packages/sdk/src/restclient.spec.ts b/packages/sdk/src/restclient.spec.ts
index e44812ee..55293bad 100644
--- a/packages/sdk/src/restclient.spec.ts
+++ b/packages/sdk/src/restclient.spec.ts
@@ -1,10 +1,41 @@
+/* eslint-disable @typescript-eslint/camelcase */
+import { Encoding } from "@iov/encoding";
+
 import { RestClient } from "./restclient";
+import data from "./testdata/cosmoshub.json";
+import { StdTx } from "./types";
+
+const { fromBase64 } = Encoding;
 
 const httpUrl = "http://localhost:1317";
+const defaultNetworkId = "testing";
+function pendingWithoutCosmos(): void {
+  if (!process.env.COSMOS_ENABLED) {
+    return pending("Set COSMOS_ENABLED to enable Cosmos node-based tests");
+  }
+}
 
 describe("RestClient", () => {
   it("can be constructed", () => {
     const client = new RestClient(httpUrl);
     expect(client).toBeTruthy();
   });
+
+  describe("nodeInfo", () => {
+    it("works", async () => {
+      pendingWithoutCosmos();
+      const client = new RestClient(httpUrl);
+      const info = await client.nodeInfo();
+      expect(info.node_info.network).toEqual(defaultNetworkId);
+    });
+  });
+
+  describe("encodeTx", () => {
+    it("works for cosmoshub example", async () => {
+      pendingWithoutCosmos();
+      const tx: StdTx = data.tx.value;
+      const client = new RestClient(httpUrl);
+      expect(await client.encodeTx(tx)).toEqual(fromBase64(data.tx_data));
+    });
+  });
 });
diff --git a/packages/sdk/src/restclient.ts b/packages/sdk/src/restclient.ts
index c7d17e94..b210c873 100644
--- a/packages/sdk/src/restclient.ts
+++ b/packages/sdk/src/restclient.ts
@@ -139,7 +139,7 @@ export class RestClient {
     return responseData as BlocksResponse;
   }
 
-  // encodeTx returns the amino-encoding of the transaction
+  /** returns the amino-encoding of the transaction performed by the server */
   public async encodeTx(stdTx: StdTx): Promise<Uint8Array> {
     const tx = { type: "cosmos-sdk/StdTx", value: stdTx };
     const responseData = await this.post("/txs/encode", tx);
diff --git a/packages/sdk/src/testdata/cosmoshub.json b/packages/sdk/src/testdata/cosmoshub.json
new file mode 100644
index 00000000..cb33539c
--- /dev/null
+++ b/packages/sdk/src/testdata/cosmoshub.json
@@ -0,0 +1,44 @@
+{
+  "//source": "https://hubble.figment.network/cosmos/chains/cosmoshub-3/blocks/415777/transactions/2BD600EA6090FC75FD844CA73542CC90A828770F4C01C5B483C3C1C43CCB65F4?format=json",
+  "tx": {
+    "type": "cosmos-sdk/StdTx",
+    "value": {
+      "msg": [
+        {
+          "type": "cosmos-sdk/MsgSend",
+          "value": {
+            "from_address": "cosmos1txqfn5jmcts0x0q7krdxj8tgf98tj0965vqlmq",
+            "to_address": "cosmos1nynns8ex9fq6sjjfj8k79ymkdz4sqth06xexae",
+            "amount": [
+              {
+                "denom": "uatom",
+                "amount": "35997500"
+              }
+            ]
+          }
+        }
+      ],
+      "fee": {
+        "amount": [
+          {
+            "denom": "uatom",
+            "amount": "2500"
+          }
+        ],
+        "gas": "100000"
+      },
+      "signatures": [
+        {
+          "pub_key": {
+            "type": "tendermint/PubKeySecp256k1",
+            "value": "A5qFcJBJvEK/fOmEAY0DHNWwSRZ9TEfNZyH8VoVvDtAq"
+          },
+          "signature": "NK1Oy4EUGAsoC03c1wi9GG03JC/39LEdautC5Jk643oIbEPqeXHMwaqbdvO/Jws0X/NAXaN8SAy2KNY5Qml+5Q=="
+        }
+      ],
+      "memo": ""
+    }
+  },
+  "tx_data": "ygEoKBapCkOoo2GaChRZgJnSW8Lg8zwesNppHWhJTrk8uhIUmSc4HyYqQahKSZHt4pN2aKsALu8aEQoFdWF0b20SCDM1OTk3NTAwEhMKDQoFdWF0b20SBDI1MDAQoI0GGmoKJuta6YchA5qFcJBJvEK/fOmEAY0DHNWwSRZ9TEfNZyH8VoVvDtAqEkA0rU7LgRQYCygLTdzXCL0YbTckL/f0sR1q60LkmTrjeghsQ+p5cczBqpt2878nCzRf80Bdo3xIDLYo1jlCaX7l",
+  "id": "2BD600EA6090FC75FD844CA73542CC90A828770F4C01C5B483C3C1C43CCB65F4"
+}
diff --git a/packages/sdk/types/restclient.d.ts b/packages/sdk/types/restclient.d.ts
index b818be1e..08f16827 100644
--- a/packages/sdk/types/restclient.d.ts
+++ b/packages/sdk/types/restclient.d.ts
@@ -71,6 +71,7 @@ export declare class RestClient {
   nodeInfo(): Promise<NodeInfoResponse>;
   blocksLatest(): Promise<BlocksResponse>;
   blocks(height: number): Promise<BlocksResponse>;
+  /** returns the amino-encoding of the transaction performed by the server */
   encodeTx(stdTx: StdTx): Promise<Uint8Array>;
   authAccounts(address: string, height?: string): Promise<AuthAccountsResponse>;
   txs(query: string): Promise<SearchTxsResponse>;