add helper script to decode oracles

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

ts/client/scripts/mb-oracle-inspect.ts

@@ -0,0 +1,53 @@
+import { parsePriceData } from '@pythnetwork/client';
+import { Connection, PublicKey } from '@solana/web3.js';
+import {
+  isPythOracle,
+  isSwitchboardOracle,
+  parseSwitchboardOracle,
+} from '../src/accounts/oracle';
+import { toNativeI80F48 } from '../src/utils';
+const { MB_CLUSTER_URL } = process.env;
+
+async function decodePrice(conn, ai): Promise<void> {
+  let uiPrice, price, lastUpdatedSlot, type;
+  if (isPythOracle(ai!)) {
+    const priceData = parsePriceData(ai!.data);
+    uiPrice = priceData.previousPrice;
+    price = toNativeI80F48(uiPrice, 6 - 5);
+    lastUpdatedSlot = parseInt(priceData.lastSlot.toString());
+    type = 'pyth';
+  } else if (isSwitchboardOracle(ai!)) {
+    const priceData = await parseSwitchboardOracle(ai!, conn);
+    uiPrice = priceData.price;
+    price = toNativeI80F48(uiPrice, 6 - 5);
+    lastUpdatedSlot = priceData.lastUpdatedSlot;
+    type = 'sb';
+  }
+  console.log(`type ${type}`);
+  console.log(`uiPrice ${uiPrice}`);
+  console.log(`price ${price}`);
+  console.log(`lastUpdatedSlot ${lastUpdatedSlot}`);
+}
+
+async function main(): Promise<void> {
+  try {
+    const conn = new Connection(MB_CLUSTER_URL!);
+    let ai = await conn.getAccountInfo(
+      new PublicKey('4SZ1qb4MtSUrZcoeaeQ3BDzVCyqxw3VwSFpPiMTmn4GE'),
+    );
+    decodePrice(conn, ai);
+
+    ai = await conn.getAccountInfo(
+      new PublicKey('8ihFLu5FimgTQ1Unh4dVyEHUGodJ5gJQCrQf4KUVB9bN'),
+    );
+    decodePrice(conn, ai);
+  } catch (error) {
+    console.log(error);
+  }
+}
+
+try {
+  main();
+} catch (error) {
+  console.log(error);
+}