adjust genesis value generation scripts to output entries array + add script to derive encoded call

scripts/scale_encode_genesis/index.js

@@ -0,0 +1,41 @@
+const fs = require("fs");
+const { exit } = require("process");
+const {WsProvider, ApiPromise} = require("@polkadot/api");
+const util = require("@polkadot/util");
+
+async function connect(port, types) {
+	const provider = new WsProvider("ws://127.0.0.1:" + port);
+	const api = await ApiPromise.create({
+		provider,
+		types,
+		throwOnConnect: false,
+	});
+	return api;
+}
+
+if (!process.argv[2] || !process.argv[3]) {
+  console.log("usage: node generate_keys <input json> <scale output file>");
+  exit();
+}
+
+const input = process.argv[2];
+const output = process.argv[3];
+fs.readFile(input, "utf8", (err, data) => {
+  if (err) {
+    console.log(`Error reading file from disk: ${err}`);
+    exit(1);
+  }
+
+  const genesis = JSON.parse(data);
+
+  connect(9944, {}).then(api => {
+	const setStorage = api.tx.system.setStorage(genesis);
+	const raw = setStorage.method.toU8a();
+	const hex = util.u8aToHex(raw);
+	fs.writeFileSync(output, hex);
+	exit(0)
+  }).catch(e => {
+	  console.error(e);
+	  exit(1)
+  });
+});