added oracle setup script (#503)

scripts/oracle-setup/config.ts

@@ -0,0 +1,28 @@
+export const endpoint = "";
+export const priceFeed = ""
+export const nodes = [
+  {
+    name: "Alice",
+    address: "5vJz7BmhVnVb6MK2P5d7KHYfR3QvWc58REf59G6tWH5UrFHD",
+    publicKey:
+      "0x4cc5f1b01d843ede8cca27dd4b9be4408ca9459aca36d2240666a2479a900a1d",
+    mnemonic:
+      "recall inhale trick wasp core hat problem season february buzz juice cloth",
+  },
+  {
+    name: "Bob",
+    address: "5uopFp298TRfWvLp9e3ad12Q1G2geqAr9zzGjBiZkGZbMid8",
+    publicKey:
+      "0x3686aa3aa5161a6b8e2316b24b3d521519df8f00f9c013b31a8290446a901606",
+    mnemonic:
+      "toddler weather gas game rotate idea mule liberty identify receive world cream",
+  },
+  {
+    name: "Charlie",
+    address: "5z7CdwanLZss4sijCMqupE8ECiksoFw22C683WaAgBvNgc8N",
+    publicKey:
+      "0xf4ba1d1a7dadcdbc2e836953aac3c86e0de7d736776c586b79ea21e76c73a502",
+    mnemonic:
+      "goddess ridge radio field syrup noodle indoor section lounge chase crime recall",
+  },
+];

scripts/oracle-setup/helpers.ts

@@ -0,0 +1,63 @@
+import { ApiPromise, SubmittableResult, WsProvider } from "@polkadot/api";
+import { AddressOrPair, SubmittableExtrinsic } from "@polkadot/api/types";
+import { Keyring } from "@polkadot/keyring";
+
+export const getApi = async (nodeName: string, endpoint?: string): Promise<ApiPromise> => {
+	const wsProvider = endpoint
+	  ? new WsProvider(endpoint + nodeName)
+	  : new WsProvider("ws://127.0.0.1:9944");
+
+	const api = await ApiPromise.create({ provider: wsProvider });
+    await api.isReady;
+	return api;
+  };
+
+
+export const getKeypair = (mneumonic: string): AddressOrPair => {
+	try {
+	  const keyring = new Keyring({ type: "sr25519" });
+	  return keyring.addFromUri("//" + mneumonic);
+	} catch (e: any) {
+	  console.log("error setting up keypair");
+	  throw new Error(e.message);
+	}
+  };
+
+/**
+ * Signs and sends the given `call` from `sender` and waits for the transaction to be included in a block.
+ * @param api api object
+ * @param call a call that can be submitted to the chain
+ * @param sender the sender of the transaction
+ */
+ export const sendAndWait = (
+	api: ApiPromise,
+	call: SubmittableExtrinsic<"promise">,
+	sender: AddressOrPair
+  ): Promise<undefined> => {
+	return new Promise<undefined>((resolve, reject) => {
+	  call
+		.signAndSend(sender, (res: SubmittableResult) => {
+		  const { dispatchError, status } = res;
+
+		  if (dispatchError) {
+			if (dispatchError.isModule) {
+			  // for module errors, we have the section indexed, lookup
+			  const decoded = api.registry.findMetaError(dispatchError.asModule);
+			  const { name, section } = decoded;
+
+			  reject(Error(dispatchError.toString()));
+			} else {
+			  reject(Error(dispatchError.toString()));
+			}
+		  }
+
+		  if (status.isInBlock || status.isFinalized) {
+			resolve(undefined);
+		  }
+		})
+		.catch((e) => {
+		  reject(Error(e.message));
+		});
+	});
+  }
+

scripts/oracle-setup/index.ts

@@ -0,0 +1,107 @@
+import { ApiPromise } from "@polkadot/api";
+import { stringToHex } from "@polkadot/util/string";
+import { getApi, sendAndWait, getKeypair } from "./helpers";
+import { endpoint, nodes, priceFeed } from "./config";
+import { AddressOrPair } from "@polkadot/api/types";
+
+// Inserts Keys
+const insertKeys = async (api: ApiPromise, seed: string, publicKey: string) => {
+  const insert = await api.rpc.author.insertKey("orac", seed, publicKey);
+  console.log("  Insert Keys  ");
+  console.log(` ${publicKey}`);
+  console.log(" Successful");
+};
+
+// Bonds the controller account
+const bond = async (
+  api: ApiPromise,
+  address: string,
+  keyring: AddressOrPair
+) => {
+  const bondTx = api.tx.oracle.setSigner(address);
+  const message = await sendAndWait(api, bondTx, keyring);
+  console.log({ message });
+};
+
+const setURL = async (api: ApiPromise) => {
+  const url = priceFeed;
+  const key = "0x6f63772d75726c";
+  const value = stringToHex(url);
+  await api.rpc.offchain.localStorageSet("PERSISTENT", key, value);
+  console.log("  Set Feed  " + ` ${url}` + " Successful");
+};
+
+// Registers an asset ID with a threshold from `sudo` origin
+const addAsset = async (api: ApiPromise, keyring: AddressOrPair) => {
+  const asset = 0;
+  const threshold = 10;
+  const minAnswers = 2;
+  const maxAnswers = 3;
+  const blockInterval = 10;
+  const reward = 10;
+  const slash = 10;
+
+  const tx = api.tx.oracle.addAssetAndInfo(
+    asset,
+    threshold,
+    minAnswers,
+    maxAnswers,
+    blockInterval,
+    reward,
+    slash
+  );
+  const su = api.tx.sudo.sudo(tx);
+  const message = await sendAndWait(api, su, keyring);
+
+  console.log({ message });
+  console.log(
+    "  Register Asset  " +
+      `ID: ${asset} ` +
+      "with threshold" +
+      `${threshold}% ` +
+      " Successful"
+  );
+};
+
+// Sends funds to the given account
+const sendBalance = async (
+  api: ApiPromise,
+  keyring: AddressOrPair,
+  destinationAddress: string,
+  amount: string
+) => {
+  const tx = await api.tx.assets.transfer(
+    "1",
+    destinationAddress,
+    amount,
+    false
+  );
+  const message = await sendAndWait(api, tx, keyring);
+  console.log({ message });
+};
+
+const main = async () => {
+  const api = await getApi("alice", endpoint);
+  const keyring = await getKeypair("Alice");
+  await addAsset(api, keyring);
+  await setURL(api);
+  await api.disconnect();
+
+  for (let i = 0; i <= nodes.length; i++) {
+    const api = await getApi(nodes[i].name.toLocaleLowerCase(), endpoint);
+    const keyring = await getKeypair(nodes[i].name);
+    await insertKeys(api, nodes[i].mnemonic, nodes[i].publicKey);
+    try {
+      await bond(api, nodes[i].address, keyring);
+    } catch (e) {
+      console.log("error with bond, could be already bonded", nodes[i].address);
+    }
+    console.log("bond done");
+    await sendBalance(api, keyring, nodes[i].address, "1000000000000");
+    console.log("balance issue");
+    await api.disconnect();
+    console.log({ i });
+  }
+};
+
+main();

scripts/oracle-setup/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "oraclesetup",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@polkadot/api": "^7.3.1",
+    "@polkadot/keyring": "^8.3.1",
+    "@polkadot/util": "^8.3.1",
+    "@polkadot/util-crypto": "^8.3.1",
+    "@types/chalk": "^2.2.0",
+    "chalk": "^5.0.0"
+  }
+}