*Add an embedded handshake node for simplicity

package.json

@@ -23,6 +23,7 @@
         "ethers": "^5.6.9",
         "express": "^4.18.1",
         "greenlock-express": "^4.0.3",
+        "hsd": "^4.0.1",
         "jayson": "^3.6.6",
         "json-stable-stringify": "^1.0.1",
         "libskynet": "^0.0.48",
@@ -33,6 +34,7 @@
         "node-cron": "^3.0.1",
         "node-fetch": "^3.2.6",
         "random-access-memory": "^4.1.0",
+        "random-key": "^0.3.2",
         "sprintf-js": "^1.1.2",
         "xml2js": "^0.4.23"
     },

src/constant_vars.ts

@@ -24,6 +24,7 @@ export const POCKET_ACCOUNT_PUBLIC_KEY =
 export const POCKET_ACCOUNT_PRIVATE_KEY =
   process.env.POCKET_ACCOUNT_PRIVATE_KEY || false;
 
+export const HSD_USE_EXTERNAL_NODE = process.env.HSD_USE_EXTERNAL_NODE || false;
 export const HSD_NETWORK_TYPE = process.env.HSD_NETWORK || "main";
 export const HSD_HOST = process.env.HSD_HOST || "localhost";
 export const HSD_PORT = Number(process.env.HSD_PORT) || 12037;

src/rpc/handshake.ts

@@ -1,19 +1,58 @@
+import { createRequire } from "module";
 import { RpcMethodList } from "./index.js";
+// @ts-ignore
+import rand from "random-key";
+// @ts-ignore
+import SPVNode from "hsd/lib/node/spvnode.js";
 import {
   HSD_API_KEY,
   HSD_HOST,
   HSD_NETWORK_TYPE,
   HSD_PORT,
-} from "../constant_vars.js";
+  HSD_USE_EXTERNAL_NODE,
+} from "../constants.js";
+
+const require = createRequire(import.meta.url);
 
 const { NodeClient } = require("hs-client");
 
-const hnsClient = new NodeClient({
+let hsdServer: SPVNode;
+
+let clientArgs = {
+  network: "main",
+  host: "127.0.0.1",
+  port: 12037,
+  apiKey: rand.generate(),
+};
+
+if (!HSD_USE_EXTERNAL_NODE) {
+  process.env.HSD_NO_DNS = "true";
+  process.env.HSD_NO_RS = "true";
+  process.env.HSD_HTTP_HOST = "127.0.0.1";
+  process.env.HSD_API_KEY = clientArgs.apiKey;
+  hsdServer = new SPVNode({
+    config: false,
+    argv: false,
+    env: true,
+    logFile: false,
+    logConsole: false,
+    logLevel: "info",
+    memory: false,
+    workers: true,
+    listen: false,
+    network: "main",
+    loader: require,
+  });
+} else {
+  clientArgs = {
     network: HSD_NETWORK_TYPE,
     host: HSD_HOST,
     port: HSD_PORT,
     apiKey: HSD_API_KEY,
-});
+  };
+}
+
+const hnsClient = new NodeClient(clientArgs);
 
 export default {
   getnameresource: async function (args: any, context: object) {