Use Prices on Sui

/// Module: oracle
module oracle::oracle;

use sui::clock::Clock;
use pyth::price_info;
use pyth::price_identifier;
use pyth::price;
use pyth::i64::I64;
use pyth::pyth;
use pyth::price_info::PriceInfoObject;

const E_INVALID_ID: u64 = 1;

public fun get_sui_price(
    // Other arguments
    clock: &Clock,
    price_info_object: &PriceInfoObject,
): I64 {
    let max_age = 60;

    // Make sure the price is not older than max_age seconds
    let price_struct = pyth::get_price_no_older_than(price_info_object, clock, max_age);

    // Check the price feed ID
    let price_info = price_info::get_price_info_from_price_info_object(price_info_object);
    let price_id = price_identifier::get_bytes(&price_info::get_price_identifier(&price_info));

    // SUI/USD price feed ID
    // The complete list of feed IDs is available at https://docs.pyth.network/price-feeds/price-feeds
    // Note: Sui uses the Pyth price feed ID without the `0x` prefix.
    let testnet_sui_price_id = x"23d7315113f5b1d3ba7a83604c44b94d79f4fd69af77f804fc7f920a6dc65744";
    assert!(price_id == testnet_sui_price_id, E_INVALID_ID);

    // Extract the price, decimal, and timestamp from the price struct and use them.
    let _decimal_i64 = price::get_expo(&price_struct);
    let price_i64 = price::get_price(&price_struct);
    let _timestamp_sec = price::get_timestamp(&price_struct);

    price_i64
}

import {
  SuiPythClient,
  SuiPriceServiceConnection,
} from "@pythnetwork/pyth-sui-js";
import { SuiGrpcClient } from "@mysten/sui/grpc";
import { Transaction } from "@mysten/sui/transactions";
import { Ed25519Keypair } from "@mysten/sui/keypairs/ed25519";

/// Step 1: Get the off-chain data.
const connection = new SuiPriceServiceConnection(
  "https://pyth.dourolabs.app/hermes", // upgraded endpoint
  // Or: "https://hermes.pyth.network" — auth required since August 26, 2026
  { accessToken: process.env.PYTH_API_KEY },
);
const priceIDs = [
  // You can find the IDs of prices at https://docs.pyth.network/price-feeds/price-feeds
  "0x23d7315113f5b1d3ba7a83604c44b94d79f4fd69af77f804fc7f920a6dc65744", // SUI/USD price ID
];
const priceUpdateData = await connection.getPriceFeedsUpdateData(priceIDs);

/// Step 2: Submit the new price on-chain and verify it using the contract.
const suiClient = new SuiGrpcClient({
  network: "testnet",
  baseUrl: "https://fullnode.testnet.sui.io:443",
});

// Upgraded Pyth Core testnet IDs, from
// https://docs.pyth.network/price-feeds/core/upgrade/contracts#sui
const pythTestnetStateId =
  "0x3c48fe392912de6c18087a2b3f5fdbfbfdb4598e180947feff1f12f8e9ea073e"; // Testnet
const wormholeTestnetStateId =
  "0x750da8e6d16b6a363a39fe2eaa8295ac224a1e6fce4e47b58845e2e8746164f0"; // Testnet

const pythClient = new SuiPythClient(
  suiClient,
  pythTestnetStateId,
  wormholeTestnetStateId,
);

const transaction = new Transaction();

/// By calling the updatePriceFeeds function, the SuiPythClient adds the necessary
/// transactions to the transaction block to update the price feeds.
const priceInfoObjectIds = await pythClient.updatePriceFeeds(
  transaction,
  priceUpdateData,
  priceIDs,
);

const suiPriceObjectId = priceInfoObjectIds[0];
if (!suiPriceObjectId) {
  throw new Error("suiPriceObjectId is undefined");
}

/// This is the package id that we receive after publishing `oracle` contract from the previous step.
const testnetExampleContractPackageId =
  "0x42d05111a160febe4144338647e0b7a80daea459c765c1e29a7a6198b235f67c";
const CLOCK =
  "0x0000000000000000000000000000000000000000000000000000000000000006";
transaction.moveCall({
  target: `${testnetExampleContractPackageId}::oracle::get_sui_price`,
  arguments: [transaction.object(CLOCK), transaction.object(suiPriceObjectId)],
});
transaction.setGasBudget(1000000000);

const keypair = Ed25519Keypair.fromSecretKey(
  process.env.ADMIN_SECRET_KEY!.toLowerCase(),
);
const result = await suiClient.core.signAndExecuteTransaction({
  include: { effects: true, events: true },
  signer: keypair,
  transaction,
});