pyth-network_pyth-crosschain/target_chains/sui/contracts/sources/pyth.move

module pyth::pyth {
    use std::vector;
    use sui::tx_context::{TxContext};
    use sui::coin::{Self, Coin};
    use sui::sui::{SUI};
    use sui::transfer::{Self};
    use sui::clock::{Self, Clock};
    use sui::package::{UpgradeCap};

    use pyth::event::{Self as pyth_event};
    use pyth::data_source::{Self, DataSource};
    use pyth::state::{Self as state, State as PythState, LatestOnly};
    use pyth::price_info::{Self, PriceInfo, PriceInfoObject};
    use pyth::batch_price_attestation::{Self};
    use pyth::price_feed::{Self};
    use pyth::price::{Self, Price};
    use pyth::price_identifier::{PriceIdentifier};
    use pyth::setup::{Self, DeployerCap};
    use pyth::hot_potato_vector::{Self, HotPotatoVector};
    use pyth::accumulator::{Self};

    use wormhole::external_address::{Self};
    use wormhole::vaa::{Self, VAA};
    use wormhole::bytes32::{Self};
    use wormhole::cursor::{Self};

    const E_DATA_SOURCE_EMITTER_ADDRESS_AND_CHAIN_IDS_DIFFERENT_LENGTHS: u64 = 0;
    const E_INVALID_DATA_SOURCE: u64 = 1;
    const E_INSUFFICIENT_FEE: u64 = 2;
    const E_STALE_PRICE_UPDATE: u64 = 3;
    const E_UPDATE_AND_PRICE_INFO_OBJECT_MISMATCH: u64 = 4;
    const E_PRICE_UPDATE_NOT_FOUND_FOR_PRICE_INFO_OBJECT: u64 = 5;
    const E_INVALID_ACCUMULATOR_MAGIC: u64 = 7;

    const PYTHNET_ACCUMULATOR_UPDATE_MAGIC: u64 = 1347305813;

    #[test_only]
    friend pyth::pyth_tests;
    #[test_only]
    friend pyth::set_data_sources_tests;
    #[test_only]
    friend pyth::set_stale_price_threshold_test;
    #[test_only]
    friend pyth::set_update_fee_tests;

    /// Init state and emit event corresponding to Pyth initialization.
    public entry fun init_pyth(
        deployer: DeployerCap,
        upgrade_cap: UpgradeCap,
        stale_price_threshold: u64,
        governance_emitter_chain_id: u64,
        governance_emitter_address: vector<u8>,
        data_sources_emitter_chain_ids: vector<u64>,
        data_sources_emitter_addresses: vector<vector<u8>>,
        update_fee: u64,
        ctx: &mut TxContext
    ) {
        setup::init_and_share_state(
            deployer,
            upgrade_cap,
            stale_price_threshold,
            update_fee,
            data_source::new(
                governance_emitter_chain_id,
                external_address::new((bytes32::from_bytes(governance_emitter_address)))
            ),
            parse_data_sources(
                data_sources_emitter_chain_ids,
                data_sources_emitter_addresses,
            ),
            ctx
        );

        // Emit Pyth initialization event.
        pyth_event::emit_pyth_initialization_event();
    }

    fun parse_data_sources(
        emitter_chain_ids: vector<u64>,
        emitter_addresses: vector<vector<u8>>
    ): vector<DataSource> {

        assert!(vector::length(&emitter_chain_ids) == vector::length(&emitter_addresses),
            E_DATA_SOURCE_EMITTER_ADDRESS_AND_CHAIN_IDS_DIFFERENT_LENGTHS);

        let sources = vector::empty();
        let i = 0;
        while (i < vector::length(&emitter_chain_ids)) {
            vector::push_back(&mut sources, data_source::new(
                *vector::borrow(&emitter_chain_ids, i),
                external_address::new(bytes32::from_bytes(*vector::borrow(&emitter_addresses, i)))
            ));

            i = i + 1;
        };
        sources
    }

    /// Create and share new price feed objects if they don't already exist using accumulator message.
    public fun create_price_feeds_using_accumulator(
        pyth_state: &mut PythState,
        accumulator_message: vector<u8>,
        vaa: VAA, // the verified version of the vaa bytes encoded within the accumulator_message
        clock: &Clock,
        ctx: &mut TxContext
    ){
        // This capability ensures that the current build version is used.
        let latest_only = state::assert_latest_only(pyth_state);

        // Check that the VAA is from a valid data source (emitter)
        assert!(
            state::is_valid_data_source(
                pyth_state,
                data_source::new(
                    (vaa::emitter_chain(&vaa) as u64),
                    vaa::emitter_address(&vaa))
                ),
            E_INVALID_DATA_SOURCE
        );

        // decode the price info updates from the VAA payload (first check if it is an accumulator or batch price update)
        let accumulator_message_cursor = cursor::new(accumulator_message);
        let price_infos = accumulator::parse_and_verify_accumulator_message(&mut accumulator_message_cursor, vaa::take_payload(vaa), clock);

        // Create and share new price info objects, if not already exists.
        create_and_share_price_feeds_using_verified_price_infos(&latest_only, pyth_state, price_infos, ctx);

        // destroy rest of cursor
        cursor::take_rest(accumulator_message_cursor);
    }


    /// Create and share new price feed objects if they don't already exist using batch price attestation.
    /// The name of the function is kept as is to remain backward compatible
    public fun create_price_feeds(
        pyth_state: &mut PythState,
        // These vaas have been verified and consumed, so we don't have to worry about
        // doing replay protection for them.
        verified_vaas: vector<VAA>,
        clock: &Clock,
        ctx: &mut TxContext
    ){
        // This capability ensures that the current build version is used.
        let latest_only = state::assert_latest_only(pyth_state);

        while (!vector::is_empty(&verified_vaas)) {
            let vaa = vector::pop_back(&mut verified_vaas);

            // Check that the VAA is from a valid data source (emitter)
            assert!(
                state::is_valid_data_source(
                    pyth_state,
                    data_source::new(
                        (vaa::emitter_chain(&vaa) as u64),
                        vaa::emitter_address(&vaa))
                    ),
                E_INVALID_DATA_SOURCE
            );

            // Deserialize the batch price attestation
            let price_infos = batch_price_attestation::destroy(batch_price_attestation::deserialize(vaa::take_payload(vaa), clock));

            // Create and share new price info objects, if not already exists.
            create_and_share_price_feeds_using_verified_price_infos(&latest_only, pyth_state, price_infos, ctx);
        };
        vector::destroy_empty(verified_vaas);
    }

    // create_and_share_price_feeds_using_verified_price_infos is a private function used by
    // 1) create_price_feeds
    // 2) create_price_feeds_using_accumulator
    // to create new price feeds for symbols.
    fun create_and_share_price_feeds_using_verified_price_infos(latest_only: &LatestOnly, pyth_state: &mut PythState, price_infos: vector<PriceInfo>, ctx: &mut TxContext){
        while (!vector::is_empty(&price_infos)){
            let cur_price_info = vector::pop_back(&mut price_infos);

            // Only create new Sui PriceInfoObject if not already
            // registered with the Pyth State object.
            if (!state::price_feed_object_exists(
                    pyth_state,
                        price_feed::get_price_identifier(
                            price_info::get_price_feed(&cur_price_info)
                        )
                    )
            ){
                // Create and share newly created Sui PriceInfoObject containing a price feed,
                // and then register a copy of its ID with State.
                let new_price_info_object = price_info::new_price_info_object(cur_price_info, ctx);
                let price_identifier = price_info::get_price_identifier(&cur_price_info);
                let id = price_info::uid_to_inner(&new_price_info_object);

                state::register_price_info_object(latest_only, pyth_state, price_identifier, id);

                transfer::public_share_object(new_price_info_object);
            }
        }
    }


    // verified_vaa is the verified version of the VAA encoded within the accumulator_message
    public fun create_authenticated_price_infos_using_accumulator(
        pyth_state: &PythState,
        accumulator_message: vector<u8>,
        verified_vaa: VAA,
        clock: &Clock,
    ): HotPotatoVector<PriceInfo> {
        state::assert_latest_only(pyth_state);

        // verify that the VAA originates from a valid data source
        assert!(
            state::is_valid_data_source(
                pyth_state,
                data_source::new(
                    (vaa::emitter_chain(&verified_vaa) as u64),
                    vaa::emitter_address(&verified_vaa))
            ),
            E_INVALID_DATA_SOURCE
        );

        // decode the price info updates from the VAA payload (first check if it is an accumulator or batch price update)
        let accumulator_message_cursor = cursor::new(accumulator_message);
        let price_infos = accumulator::parse_and_verify_accumulator_message(&mut accumulator_message_cursor, vaa::take_payload(verified_vaa), clock);

        // check that accumulator message has been fully consumed
        cursor::destroy_empty(accumulator_message_cursor);
        hot_potato_vector::new(price_infos)
    }

    /// Creates authenticated price infos using batch price attestation
    /// Name is kept as is to remain backward compatible
    public fun create_price_infos_hot_potato(
        pyth_state: &PythState,
        verified_vaas: vector<VAA>,
        clock: &Clock
    ): HotPotatoVector<PriceInfo> {
        state::assert_latest_only(pyth_state);

        let price_updates = vector::empty<PriceInfo>();
        while (vector::length(&verified_vaas) != 0){
            let cur_vaa = vector::pop_back(&mut verified_vaas);

            assert!(
                state::is_valid_data_source(
                    pyth_state,
                    data_source::new(
                        (vaa::emitter_chain(&cur_vaa) as u64),
                        vaa::emitter_address(&cur_vaa))
                ),
                E_INVALID_DATA_SOURCE
            );
            let price_infos = batch_price_attestation::destroy(batch_price_attestation::deserialize(vaa::take_payload(cur_vaa), clock));
            while (vector::length(&price_infos) !=0 ){
                let cur_price_info = vector::pop_back(&mut price_infos);
                vector::push_back(&mut price_updates, cur_price_info);
            }
        };
        vector::destroy_empty(verified_vaas);
        return hot_potato_vector::new(price_updates)
    }

    /// Update a singular Pyth PriceInfoObject (containing a price feed) with the
    /// price data in the authenticated price infos vector (a vector of PriceInfo objects).
    ///
    /// For more information on the end-to-end process for updating a price feed, please see the README.
    ///
    /// The given fee must contain a sufficient number of coins to pay the update fee for the given vaas.
    /// The update fee amount can be queried by calling get_update_fee(&vaas).
    ///
    /// Please read more information about the update fee here: https://docs.pyth.network/documentation/pythnet-price-feeds/on-demand#fees
    public fun update_single_price_feed(
        pyth_state: &PythState,
        price_updates: HotPotatoVector<PriceInfo>,
        price_info_object: &mut PriceInfoObject,
        fee: Coin<SUI>,
        clock: &Clock
    ): HotPotatoVector<PriceInfo> {
        let latest_only = state::assert_latest_only(pyth_state);

        // On Sui, users get to choose which price feeds to update. They specify a single price feed to
        // update at a time. We therefore charge the base fee for each such individual update.
        // This is a departure from Eth, where users don't get to necessarily choose.
        assert!(state::get_base_update_fee(pyth_state) <= coin::value(&fee), E_INSUFFICIENT_FEE);

        // store fee coins within price info object
        price_info::deposit_fee_coins(price_info_object, fee);

        // Find price update corresponding to PriceInfoObject within the array of price_updates
        // and use it to update PriceInfoObject.
        let i = 0;
        let found = false;
        while (i < hot_potato_vector::length<PriceInfo>(&price_updates)){
            let cur_price_info = hot_potato_vector::borrow<PriceInfo>(&price_updates, i);
            if (has_same_price_identifier(cur_price_info, price_info_object)){
                found = true;
                update_cache(latest_only, cur_price_info, price_info_object, clock);
                break
            };
            i = i + 1;
        };
        if (found==false){
            abort E_PRICE_UPDATE_NOT_FOUND_FOR_PRICE_INFO_OBJECT
        };
        price_updates
    }

    fun has_same_price_identifier(price_info: &PriceInfo, price_info_object: &PriceInfoObject) : bool {
        let price_info_from_object = price_info::get_price_info_from_price_info_object(price_info_object);
        let price_identifier_from_object = price_info::get_price_identifier(&price_info_from_object);
        let price_identifier_from_price_info = price_info::get_price_identifier(price_info);
        price_identifier_from_object == price_identifier_from_price_info
    }

    /// Update PriceInfoObject with updated data from a PriceInfo
    public(friend) fun update_cache(
        _: LatestOnly,
        update: &PriceInfo,
        price_info_object: &mut PriceInfoObject,
        clock: &Clock,
    ){
        let has_same_price_identifier = has_same_price_identifier(update, price_info_object);
        assert!(has_same_price_identifier, E_UPDATE_AND_PRICE_INFO_OBJECT_MISMATCH);

        // Update the price info object with the new updated price info.
        if (is_fresh_update(update, price_info_object)){
            pyth_event::emit_price_feed_update(price_feed::from(price_info::get_price_feed(update)), clock::timestamp_ms(clock)/1000);
            price_info::update_price_info_object(
                price_info_object,
                update
            );
        }
    }

    /// Determine if the given price update is "fresh": we have nothing newer already cached for that
    /// price feed within a PriceInfoObject.
    fun is_fresh_update(update: &PriceInfo, price_info_object: &PriceInfoObject): bool {
        // Get the timestamp of the update's current price
        let price_feed = price_info::get_price_feed(update);
        let update_timestamp = price::get_timestamp(&price_feed::get_price(price_feed));

        // Get the timestamp of the cached data for the price identifier
        let cached_price_info = price_info::get_price_info_from_price_info_object(price_info_object);
        let cached_price_feed =  price_info::get_price_feed(&cached_price_info);
        let cached_timestamp = price::get_timestamp(&price_feed::get_price(cached_price_feed));

        update_timestamp > cached_timestamp
    }

    // -----------------------------------------------------------------------------
    // Query the cached prices
    //
    // It is strongly recommended to update the cached prices using the functions above,
    // before using the functions below to query the cached data.

    /// Determine if a price feed for the given price_identifier exists
    public fun price_feed_exists(state: &PythState, price_identifier: PriceIdentifier): bool {
        state::price_feed_object_exists(state, price_identifier)
    }

    /// Get the latest available price cached for the given price identifier, if that price is
    /// no older than the stale price threshold.
    ///
    /// Please refer to the documentation at https://docs.pyth.network/documentation/pythnet-price-feeds/best-practices for
    /// how to how this price safely.
    ///
    /// Important: Pyth uses an on-demand update model, where consumers need to update the
    /// cached prices before using them. Please read more about this at https://docs.pyth.network/documentation/pythnet-price-feeds/on-demand.
    /// get_price() is likely to abort unless you call update_price_feeds() to update the cached price
    /// beforehand, as the cached prices may be older than the stale price threshold.
    ///
    /// The price_info_object is a Sui object with the key ability that uniquely
    /// contains a price feed for a given price_identifier.
    ///
    public fun get_price(state: &PythState, price_info_object: &PriceInfoObject, clock: &Clock): Price {
        get_price_no_older_than(price_info_object, clock, state::get_stale_price_threshold_secs(state))
    }

    /// Get the latest available price cached for the given price identifier, if that price is
    /// no older than the given age.
    public fun get_price_no_older_than(price_info_object: &PriceInfoObject, clock: &Clock, max_age_secs: u64): Price {
        let price = get_price_unsafe(price_info_object);
        check_price_is_fresh(&price, clock, max_age_secs);
        price
    }

    /// Get the latest available price cached for the given price identifier.
    ///
    /// WARNING: the returned price can be from arbitrarily far in the past.
    /// This function makes no guarantees that the returned price is recent or
    /// useful for any particular application. Users of this function should check
    /// the returned timestamp to ensure that the returned price is sufficiently
    /// recent for their application. The checked get_price_no_older_than()
    /// function should be used in preference to this.
    public fun get_price_unsafe(price_info_object: &PriceInfoObject): Price {
        // TODO: extract Price from this guy...
        let price_info = price_info::get_price_info_from_price_info_object(price_info_object);
        price_feed::get_price(
            price_info::get_price_feed(&price_info)
        )
    }

    fun abs_diff(x: u64, y: u64): u64 {
        if (x > y) {
            return x - y
        } else {
            return y - x
        }
    }

    /// Get the stale price threshold: the amount of time after which a cached price
    /// is considered stale and no longer returned by get_price()/get_ema_price().
    public fun get_stale_price_threshold_secs(state: &PythState): u64 {
        state::get_stale_price_threshold_secs(state)
    }

    fun check_price_is_fresh(price: &Price, clock: &Clock, max_age_secs: u64) {
        let age = abs_diff(clock::timestamp_ms(clock)/1000, price::get_timestamp(price));
        assert!(age < max_age_secs, E_STALE_PRICE_UPDATE);
    }

    /// Please read more information about the update fee here: https://docs.pyth.network/documentation/pythnet-price-feeds/on-demand#fees
    public fun get_total_update_fee(pyth_state: &PythState, n: u64): u64 {
        state::get_base_update_fee(pyth_state) * n
    }
}

#[test_only]
module pyth::pyth_tests{
    use std::vector::{Self};

    use sui::sui::SUI;
    use sui::coin::{Self, Coin};
    use sui::test_scenario::{Self, Scenario, ctx, take_shared, return_shared};
    use sui::package::Self;
    use sui::object::{Self, ID};
    use sui::clock::{Self, Clock};

    use pyth::state::{State as PythState};
    use pyth::setup::{Self};
    use pyth::price_info::{Self, PriceInfo, PriceInfoObject};//, PriceInfo, PriceInfoObject};
    use pyth::data_source::{Self, DataSource};
    use pyth::pyth::{Self, create_price_infos_hot_potato, update_single_price_feed};
    use pyth::hot_potato_vector::{Self};
    use pyth::price_identifier::{Self};
    use pyth::price_feed::{Self};
    use pyth::accumulator::{Self};
    use pyth::deserialize::{Self};

    use wormhole::setup::{Self as wormhole_setup, DeployerCap};
    use wormhole::external_address::{Self};
    use wormhole::bytes32::{Self};
    use wormhole::state::{State as WormState};
    use wormhole::vaa::{Self, VAA};
    use wormhole::cursor::{Self};

    const DEPLOYER: address = @0x1234;
    const ACCUMULATOR_TESTS_EMITTER_ADDRESS: vector<u8> = x"71f8dcb863d176e2c420ad6610cf687359612b6fb392e0642b0ca6b1f186aa3b";
    const ACCUMULATOR_TESTS_INITIAL_GUARDIANS: vector<vector<u8>> = vector[x"7E5F4552091A69125d5DfCb7b8C2659029395Bdf"];
    const DEFAULT_BASE_UPDATE_FEE: u64 = 50;
    const DEFAULT_COIN_TO_MINT: u64 = 5000;
    const BATCH_ATTESTATION_TEST_INITIAL_GUARDIANS: vector<vector<u8>> = vector[x"beFA429d57cD18b7F8A4d91A2da9AB4AF05d0FBe"];

    fun ACCUMULATOR_TESTS_DATA_SOURCE(): vector<DataSource> {
        vector[data_source::new(1, external_address::new(bytes32::from_bytes(ACCUMULATOR_TESTS_EMITTER_ADDRESS)))]
    }

    // /// A vector containing a single VAA with:
    // /// - emitter chain ID 17
    // /// - emitter address 0x71f8dcb863d176e2c420ad6610cf687359612b6fb392e0642b0ca6b1f186aa3b
    // /// - payload corresponding to the batch price attestation of the prices returned by get_mock_price_infos()
    const TEST_VAAS: vector<vector<u8>> = vector[x"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"];

    fun get_verified_test_vaas(worm_state: &WormState, clock: &Clock): vector<VAA> {
        let test_vaas_: vector<vector<u8>> = vector[x"0100000000010036eb563b80a24f4253bee6150eb8924e4bdf6e4fa1dfc759a6664d2e865b4b134651a7b021b7f1ce3bd078070b688b6f2e37ce2de0d9b48e6a78684561e49d5201527e4f9b00000001001171f8dcb863d176e2c420ad6610cf687359612b6fb392e0642b0ca6b1f186aa3b0000000000000001005032574800030000000102000400951436e0be37536be96f0896366089506a59763d036728332d3e3038047851aea7c6c75c89f14810ec1c54c03ab8f1864a4c4032791f05747f560faec380a695d1000000000000049a0000000000000008fffffffb00000000000005dc0000000000000003000000000100000001000000006329c0eb000000006329c0e9000000006329c0e400000000000006150000000000000007215258d81468614f6b7e194c5d145609394f67b041e93e6695dcc616faadd0603b9551a68d01d954d6387aff4df1529027ffb2fee413082e509feb29cc4904fe000000000000041a0000000000000003fffffffb00000000000005cb0000000000000003010000000100000001000000006329c0eb000000006329c0e9000000006329c0e4000000000000048600000000000000078ac9cf3ab299af710d735163726fdae0db8465280502eb9f801f74b3c1bd190333832fad6e36eb05a8972fe5f219b27b5b2bb2230a79ce79beb4c5c5e7ecc76d00000000000003f20000000000000002fffffffb00000000000005e70000000000000003010000000100000001000000006329c0eb000000006329c0e9000000006329c0e40000000000000685000000000000000861db714e9ff987b6fedf00d01f9fea6db7c30632d6fc83b7bc9459d7192bc44a21a28b4c6619968bd8c20e95b0aaed7df2187fd310275347e0376a2cd7427db800000000000006cb0000000000000001fffffffb00000000000005e40000000000000003010000000100000001000000006329c0eb000000006329c0e9000000006329c0e400000000000007970000000000000001"];
        let verified_vaas_reversed = vector::empty<VAA>();
        let test_vaas = test_vaas_;
        let i = 0;
        while (i < vector::length(&test_vaas_)) {
            let cur_test_vaa = vector::pop_back(&mut test_vaas);
            let verified_vaa = vaa::parse_and_verify(worm_state, cur_test_vaa, clock);
            vector::push_back(&mut verified_vaas_reversed, verified_vaa);
            i=i+1;
        };
        let verified_vaas = vector::empty<VAA>();
        while (vector::length<VAA>(&verified_vaas_reversed)!=0){
            let cur = vector::pop_back(&mut verified_vaas_reversed);
            vector::push_back(&mut verified_vaas, cur);
        };
        vector::destroy_empty(verified_vaas_reversed);
        verified_vaas
    }

    // get_verified_vaa_from_accumulator_message parses the accumulator message up until the vaa, then
    // parses the vaa, yielding a verified wormhole::vaa::VAA object
    fun get_verified_vaa_from_accumulator_message(worm_state: &WormState, accumulator_message: vector<u8>, clock: &Clock): VAA {
        let _PYTHNET_ACCUMULATOR_UPDATE_MAGIC: u64 = 1347305813;

        let cursor = cursor::new(accumulator_message);
        let header: u32 = deserialize::deserialize_u32(&mut cursor);
        assert!((header as u64) == _PYTHNET_ACCUMULATOR_UPDATE_MAGIC, 0);
        let _major = deserialize::deserialize_u8(&mut cursor);
        let _minor = deserialize::deserialize_u8(&mut cursor);

        let trailing_size = deserialize::deserialize_u8(&mut cursor);
        deserialize::deserialize_vector(&mut cursor, (trailing_size as u64));

        let proof_type = deserialize::deserialize_u8(&mut cursor);
        assert!(proof_type == 0, 0);

        let vaa_size = deserialize::deserialize_u16(&mut cursor);
        let vaa = deserialize::deserialize_vector(&mut cursor, (vaa_size as u64));
        cursor::take_rest(cursor);
        vaa::parse_and_verify(worm_state, vaa, clock)
    }

    #[test_only]
    /// Init Wormhole core bridge state.
    /// Init Pyth state.
    /// Set initial Sui clock time.
    /// Mint some SUI fee coins.
    public fun setup_test(
        stale_price_threshold: u64,
        governance_emitter_chain_id: u64,
        governance_emitter_address: vector<u8>,
        data_sources: vector<DataSource>,
        initial_guardians: vector<vector<u8>>,
        base_update_fee: u64,
        to_mint: u64
    ): (Scenario, Coin<SUI>, Clock) {

        let scenario = test_scenario::begin(DEPLOYER);

        // Initialize Wormhole core bridge.
        wormhole_setup::init_test_only(ctx(&mut scenario));
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        // Take the `DeployerCap` from the sender of the transaction.
        let deployer_cap =
            test_scenario::take_from_address<DeployerCap>(
                &scenario,
                DEPLOYER
            );

        // This will be created and sent to the transaction sender automatically
        // when the contract is published. This exists in place of grabbing
        // it from the sender.
        let upgrade_cap =
            package::test_publish(
                object::id_from_address(@wormhole),
                test_scenario::ctx(&mut scenario)
            );

        let governance_chain = 1234;
        let governance_contract =
            x"deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef";
        let guardian_set_seconds_to_live = 5678;
        let message_fee = 350;
        let guardian_set_index = 0;
        wormhole_setup::complete(
            deployer_cap,
            upgrade_cap,
            governance_chain,
            governance_contract,
            guardian_set_index,
            initial_guardians,
            guardian_set_seconds_to_live,
            message_fee,
            test_scenario::ctx(&mut scenario)
        );

        // Initialize Pyth state.
        let pyth_upgrade_cap=
            package::test_publish(
                object::id_from_address(@pyth),
                test_scenario::ctx(&mut scenario)
            );

        setup::init_test_only(ctx(&mut scenario));
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        let pyth_deployer_cap = test_scenario::take_from_address<setup::DeployerCap>(
            &scenario,
            DEPLOYER
        );

        setup::init_and_share_state(
            pyth_deployer_cap,
            pyth_upgrade_cap,
            stale_price_threshold,
            base_update_fee,
            data_source::new(governance_emitter_chain_id, external_address::new(bytes32::from_bytes(governance_emitter_address))),
            data_sources,
            ctx(&mut scenario)
        );

        let coins = coin::mint_for_testing<SUI>(to_mint, ctx(&mut scenario));
        let clock = clock::create_for_testing(ctx(&mut scenario));
        (scenario, coins, clock)
    }

    fun get_mock_price_infos(): vector<PriceInfo> {
        use pyth::i64::Self;
        use pyth::price::{Self};
        vector<PriceInfo>[
                price_info::new_price_info(
                    1663680747,
                    1663074349,
                    price_feed::new(
                        price_identifier::from_byte_vec(x"c6c75c89f14810ec1c54c03ab8f1864a4c4032791f05747f560faec380a695d1"),
                        price::new(i64::new(1557, false), 7, i64::new(5, true), 1663680740),
                        price::new(i64::new(1500, false), 3, i64::new(5, true), 1663680740),
                    ),
                ),
                price_info::new_price_info(
                    1663680747,
                    1663074349,
                    price_feed::new(
                        price_identifier::from_byte_vec(x"3b9551a68d01d954d6387aff4df1529027ffb2fee413082e509feb29cc4904fe"),
                        price::new(i64::new(1050, false), 3, i64::new(5, true), 1663680745),
                        price::new(i64::new(1483, false), 3, i64::new(5, true), 1663680745),
                    ),
                ),
                price_info::new_price_info(
                    1663680747,
                    1663074349,
                    price_feed::new(
                        price_identifier::from_byte_vec(x"33832fad6e36eb05a8972fe5f219b27b5b2bb2230a79ce79beb4c5c5e7ecc76d"),
                        price::new(i64::new(1010, false), 2, i64::new(5, true), 1663680745),
                        price::new(i64::new(1511, false), 3, i64::new(5, true), 1663680745),
                    ),
                ),
                price_info::new_price_info(
                    1663680747,
                    1663074349,
                    price_feed::new(
                        price_identifier::from_byte_vec(x"21a28b4c6619968bd8c20e95b0aaed7df2187fd310275347e0376a2cd7427db8"),
                        price::new(i64::new(1739, false), 1, i64::new(5, true), 1663680745),
                        price::new(i64::new(1508, false), 3, i64::new(5, true), 1663680745),
                    ),
                ),
            ]
    }

    /// Compare the expected price feed with the actual Pyth price feeds.
    fun check_price_feeds_cached(expected: &vector<PriceInfo>, actual: &vector<PriceInfoObject>) {
        // Check that we can retrieve the correct current price and ema price for each price feed
        let i = 0;
        while (i < vector::length(expected)) {
            let price_feed = price_info::get_price_feed(vector::borrow(expected, i));
            let price = price_feed::get_price(price_feed);
            let ema_price = price_feed::get_ema_price(price_feed);
            let price_identifier = price_info::get_price_identifier(vector::borrow(expected, i));

            let actual_price_info = price_info::get_price_info_from_price_info_object(vector::borrow(actual, i));
            let actual_price_feed = price_info::get_price_feed(&actual_price_info);
            let actual_price = price_feed::get_price(actual_price_feed);
            let actual_ema_price = price_feed::get_ema_price(actual_price_feed);
            let actual_price_identifier = price_info::get_price_identifier(&actual_price_info);

            assert!(price == actual_price, 0);
            assert!(ema_price == actual_ema_price, 0);
            assert!(price_identifier::get_bytes(&price_identifier) == price_identifier::get_bytes(&actual_price_identifier), 0);

            i = i + 1;
        };
    }

    #[test]
    fun test_get_update_fee() {
        let (scenario, test_coins, _clock) =  setup_test(500 /* stale_price_threshold */, 23 /* governance emitter chain */, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", vector[], BATCH_ATTESTATION_TEST_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, 0);
        test_scenario::next_tx(&mut scenario, DEPLOYER, );
        let pyth_state = take_shared<PythState>(&scenario);
        // Pass in a single VAA

        let single_vaa = vector[
            x"fb1543888001083cf2e6ef3afdcf827e89b11efd87c563638df6e1995ada9f93",
        ];

        assert!(pyth::get_total_update_fee(&pyth_state, vector::length<vector<u8>>(&single_vaa)) == DEFAULT_BASE_UPDATE_FEE, 1);

        let multiple_vaas = vector[
            x"4ee17a1a4524118de513fddcf82b77454e51be5d6fc9e29fc72dd6c204c0e4fa",
            x"c72fdf81cfc939d4286c93fbaaae2eec7bae28a5926fa68646b43a279846ccc1",
            x"d9a8123a793529c31200339820a3210059ecace6c044f81ecad62936e47ca049",
            x"84e4f21b3e65cef47fda25d15b4eddda1edf720a1d062ccbf441d6396465fbe6",
            x"9e73f9041476a93701a0b9c7501422cc2aa55d16100bec628cf53e0281b6f72f"
        ];

        // Pass in multiple VAAs
        assert!(pyth::get_total_update_fee(&pyth_state, vector::length<vector<u8>>(&multiple_vaas)) == 5*DEFAULT_BASE_UPDATE_FEE, 1);

        return_shared(pyth_state);
        coin::burn_for_testing<SUI>(test_coins);
        clock::destroy_for_testing(_clock);
        test_scenario::end(scenario);
    }

    #[test]
    #[expected_failure(abort_code = wormhole::vaa::E_WRONG_VERSION)]
    fun test_create_price_feeds_corrupt_vaa() {
        let (scenario, test_coins, clock) =  setup_test(500 /* stale_price_threshold */, 23 /* governance emitter chain */, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", vector[], vector[x"beFA429d57cD18b7F8A4d91A2da9AB4AF05d0FBe"], 50, 0);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        // Pass in a corrupt VAA, which should fail deseriaizing
        let corrupt_vaa = x"90F8bf6A479f320ead074411a4B0e7944Ea8c9C1";
        let verified_vaas = vector[vaa::parse_and_verify(&worm_state, corrupt_vaa, &clock)];
        // Create Pyth price feed
        pyth::create_price_feeds(
            &mut pyth_state,
            verified_vaas,
            &clock,
            ctx(&mut scenario)
        );

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        coin::burn_for_testing<SUI>(test_coins);
        test_scenario::end(scenario);
    }

    #[test]
    #[expected_failure(abort_code = pyth::pyth::E_INVALID_DATA_SOURCE)]
    fun test_create_price_feeds_invalid_data_source() {
        // Initialize the contract with some valid data sources, excluding our test VAA's source
        let data_sources = vector<DataSource>[
            data_source::new(
                4, external_address::new(bytes32::new(x"0000000000000000000000000000000000000000000000000000000000007742"))
            ),
            data_source::new(
                5, external_address::new(bytes32::new(x"0000000000000000000000000000000000000000000000000000000000007637"))
            )
        ];
        let (scenario, test_coins, clock) = setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources, BATCH_ATTESTATION_TEST_INITIAL_GUARDIANS, 50, 0);
        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaas = get_verified_test_vaas(&worm_state, &clock);

        pyth::create_price_feeds(
            &mut pyth_state,
            verified_vaas,
            &clock,
            ctx(&mut scenario)
        );

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        coin::burn_for_testing<SUI>(test_coins);
        test_scenario::end(scenario);
    }

    public fun data_sources_for_test_vaa(): vector<DataSource> {
        // Set some valid data sources, including our test VAA's source
        vector<DataSource>[
            data_source::new(
                1, external_address::new(bytes32::from_bytes(x"0000000000000000000000000000000000000000000000000000000000000004"))),
                data_source::new(
                5, external_address::new(bytes32::new(x"0000000000000000000000000000000000000000000000000000000000007637"))),
                data_source::new(
                17, external_address::new(bytes32::new(ACCUMULATOR_TESTS_EMITTER_ADDRESS)))
        ]
    }

    #[test]
    // test_create_and_update_price_feeds_with_batch_attestation_success tests the creation and updating of price
    // feeds, as well as depositing fee coins into price info objects
    fun test_create_and_update_price_feeds_with_batch_attestation_success() {
        let (scenario, test_coins, clock) =  setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources_for_test_vaa(), vector[x"beFA429d57cD18b7F8A4d91A2da9AB4AF05d0FBe"], DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);
        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaas = get_verified_test_vaas(&worm_state, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds(
            &mut pyth_state,
            verified_vaas,
            &clock,
            ctx(&mut scenario)
        );

        // Affirm that 4 objects, which correspond to the 4 new price info objects
        // containing the price feeds were created and shared.
        let effects = test_scenario::next_tx(&mut scenario, DEPLOYER);
        let shared_ids = test_scenario::shared(&effects);
        let created_ids = test_scenario::created(&effects);
        assert!(vector::length<ID>(&shared_ids)==4, 0);
        assert!(vector::length<ID>(&created_ids)==4, 0);

        let price_info_object_1 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_2 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_3 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_4 = take_shared<PriceInfoObject>(&scenario);

        // Create vector of price info objects (Sui objects with key ability and living in global store),
        // which contain the price feeds we want to update. Note that these can be passed into
        // update_price_feeds in any order!
        //let price_info_object_vec = vector[price_info_object_1, price_info_object_2, price_info_object_3, price_info_object_4];
        verified_vaas = get_verified_test_vaas(&worm_state, &clock);
        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let vaa_1 = vector::pop_back<VAA>(&mut verified_vaas);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        // Create authenticated price infos
        let vec = create_price_infos_hot_potato(
            &pyth_state,
            vector[vaa_1],
            &clock
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let fee_coins = coin::split(&mut test_coins, DEFAULT_BASE_UPDATE_FEE, ctx(&mut scenario));
        vec = update_single_price_feed(
            &mut pyth_state,
            vec,
            &mut price_info_object_1,
            fee_coins,
            &clock
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        // check price feed updated
        assert!(price_feeds_equal(hot_potato_vector::borrow(&vec, 3), &price_info::get_price_info_from_price_info_object(&price_info_object_1)), 0);

        // check fee coins are deposited in the price info object
        assert!(price_info::get_balance(&price_info_object_1)==DEFAULT_BASE_UPDATE_FEE, 0);

        test_scenario::next_tx(&mut scenario, DEPLOYER);
        hot_potato_vector::destroy<PriceInfo>(vec);

        vector::destroy_empty(verified_vaas);
        return_shared(price_info_object_1);
        return_shared(price_info_object_2);
        return_shared(price_info_object_3);
        return_shared(price_info_object_4);

        coin::burn_for_testing(test_coins);
        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }


    // TEST_ACCUMULATOR_SINGLE_FEED details:
    //      Price Identifier: 0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6
    //      Price: 6887568746747646632
    //      Conf: 13092246197863718329
    //      Exponent: 1559537863
    //      EMA Price: 4772242609775910581
    //      EMA Conf: 358129956189946877
    //      EMA Expo: 1559537863
    //      Published Time: 1687276661
    const TEST_ACCUMULATOR_SINGLE_FEED: vector<u8> = x"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";

    #[test]
    fun test_create_and_update_single_price_feed_with_accumulator_success() {
        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, ACCUMULATOR_TESTS_DATA_SOURCE(), ACCUMULATOR_TESTS_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_SINGLE_FEED, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_SINGLE_FEED,
            verified_vaa,
            &clock,
            ctx(&mut scenario)
        );

        // Affirm that 1 object, which correspond to the 1 new price info object
        // containing the price feeds were created and shared.
        let effects = test_scenario::next_tx(&mut scenario, DEPLOYER);
        let shared_ids = test_scenario::shared(&effects);
        let created_ids = test_scenario::created(&effects);
        assert!(vector::length<ID>(&shared_ids)==1, 0);
        assert!(vector::length<ID>(&created_ids)==1, 0);

        let price_info_object_1 = take_shared<PriceInfoObject>(&scenario);

        // Create authenticated price infos
        verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_SINGLE_FEED, &clock);
        let auth_price_infos = pyth::create_authenticated_price_infos_using_accumulator(
            &pyth_state,
            TEST_ACCUMULATOR_SINGLE_FEED,
            verified_vaa,
            &clock
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);
        auth_price_infos = update_single_price_feed(
            &mut pyth_state,
            auth_price_infos,
            &mut price_info_object_1,
            coins,
            &clock
        );

        // assert that price info obejct is as expected
        let expected = accumulator_test_1_to_price_info();
        assert!(price_feeds_equal(&expected, &price_info::get_price_info_from_price_info_object(&price_info_object_1)), 0);

        // clean up test scenario

        test_scenario::next_tx(&mut scenario, DEPLOYER);
        hot_potato_vector::destroy<PriceInfo>(auth_price_infos);

        return_shared(price_info_object_1);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }

    #[test]
    #[expected_failure(abort_code = pyth::accumulator::E_INVALID_PROOF)]
    fun test_create_and_update_single_price_feed_with_accumulator_failure() {

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, ACCUMULATOR_TESTS_DATA_SOURCE(), ACCUMULATOR_TESTS_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        // the verified vaa here contains the wrong merkle root
        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_3_MSGS, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_SINGLE_FEED,
            verified_vaa,
            &clock,
            ctx(&mut scenario)
        );

        // clean up test scenario
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        coin::burn_for_testing<SUI>(coins);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }

    #[test_only]
    const TEST_ACCUMULATOR_INVALID_PROOF_1: vector<u8> = x"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";

     #[test]
    #[expected_failure(abort_code = pyth::accumulator::E_INVALID_PROOF)]
    fun test_accumulator_invalid_proof() {

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, ACCUMULATOR_TESTS_DATA_SOURCE(), ACCUMULATOR_TESTS_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_INVALID_PROOF_1, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_INVALID_PROOF_1,
            verified_vaa,
            &clock,
            ctx(&mut scenario)
        );

        // clean up test scenario
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        coin::burn_for_testing<SUI>(coins);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }

    #[test_only]
    const TEST_ACCUMULATOR_INVALID_MAJOR_VERSION: vector<u8> = x"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";

    #[test]
    #[expected_failure(abort_code = pyth::accumulator::E_INVALID_ACCUMULATOR_PAYLOAD)]
    fun test_accumulator_invalid_major_version() {

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, ACCUMULATOR_TESTS_DATA_SOURCE(), ACCUMULATOR_TESTS_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_INVALID_MAJOR_VERSION, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_INVALID_MAJOR_VERSION,
            verified_vaa,
            &clock,
            ctx(&mut scenario)
        );

        // clean up test scenario
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        coin::burn_for_testing<SUI>(coins);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }

    #[test_only]
    const TEST_ACCUMULATOR_INVALID_WH_MSG: vector<u8> = x"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";

    #[test]
    #[expected_failure(abort_code = pyth::accumulator::E_INVALID_WORMHOLE_MESSAGE)]
    fun test_accumulator_invalid_wormhole_message() {

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, ACCUMULATOR_TESTS_DATA_SOURCE(), ACCUMULATOR_TESTS_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_INVALID_WH_MSG, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_INVALID_WH_MSG,
            verified_vaa,
            &clock,
            ctx(&mut scenario)
        );

        // clean up test scenario
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        coin::burn_for_testing<SUI>(coins);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }


    #[test_only]
    const TEST_ACCUMULATOR_INCREASED_MINOR_VERSION: vector<u8> = x"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";
    #[test_only]
    const TEST_ACCUMULATOR_EXTRA_PAYLOAD: vector<u8> = x"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";

    #[test]
    fun test_accumulator_forward_compatibility() {

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, ACCUMULATOR_TESTS_DATA_SOURCE(), ACCUMULATOR_TESTS_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_EXTRA_PAYLOAD,
            get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_EXTRA_PAYLOAD, &clock),
            &clock,
            ctx(&mut scenario)
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_INCREASED_MINOR_VERSION,
            get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_INCREASED_MINOR_VERSION, &clock),
            &clock,
            ctx(&mut scenario)
        );

        // clean up test scenario
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        coin::burn_for_testing<SUI>(coins);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }


    // TEST_ACCUMULATOR_3_MSGS details:
    //      Price Identifier: 0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6
    //      Price: 100
    //      Conf: 50
    //      Exponent: 9
    //      EMA Price: 99
    //      EMA Conf: 52
    //      EMA Expo: 9
    //      Published Time: 1687276660

    //      Price Identifier: 0x6e1540171b6c0c960b71a7020d9f60077f6af931a8bbf590da0223dacf75c7af
    //      Price: 101
    //      Conf: 51
    //      Exponent: 10
    //      EMA Price: 100
    //      EMA Conf: 53
    //      EMA Expo: 10
    //      Published Time: 1687276661

    //      Price Identifier: 0x31ecc21a745e3968a04e9570e4425bc18fa8019c68028196b546d1669c200c68
    //      Price: 102
    //      Conf: 52
    //      Exponent: 11
    //      EMA Price: 101
    //      EMA Conf: 54
    //      EMA Expo: 11
    //      Published Time: 1687276662
    const TEST_ACCUMULATOR_3_MSGS: vector<u8> = x"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";

    #[test]
    fun test_create_and_update_multiple_price_feeds_with_accumulator_success() {
        use sui::coin::Self;

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, ACCUMULATOR_TESTS_DATA_SOURCE(), ACCUMULATOR_TESTS_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_3_MSGS, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds_using_accumulator(
            &mut pyth_state,
            TEST_ACCUMULATOR_3_MSGS,
            verified_vaa,
            &clock,
            ctx(&mut scenario)
        );

        // Affirm that 3 objects, which correspond to the 3 new price info objects
        // containing the price feeds were created and shared.
        let effects = test_scenario::next_tx(&mut scenario, DEPLOYER);
        let shared_ids = test_scenario::shared(&effects);
        let created_ids = test_scenario::created(&effects);
        assert!(vector::length<ID>(&shared_ids)==3, 0);
        assert!(vector::length<ID>(&created_ids)==3, 0);

        // Create authenticated price infos
        verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_3_MSGS, &clock);
        let auth_price_infos = pyth::create_authenticated_price_infos_using_accumulator(
            &pyth_state,
            TEST_ACCUMULATOR_3_MSGS,
            verified_vaa,
            &clock
        );

        let idx = 0;
        let expected_price_infos = accumulator_test_3_to_price_info(0 /*offset argument*/);

        while (idx < 3){
            let coin_split = coin::split(&mut coins, 1000, ctx(&mut scenario));
            let price_info_object = take_shared<PriceInfoObject>(&scenario);
            auth_price_infos = update_single_price_feed(
                &mut pyth_state,
                auth_price_infos,
                &mut price_info_object,
                coin_split,
                &clock
            );
            let price_info = price_info::get_price_info_from_price_info_object(&price_info_object);
            assert!(price_feeds_equal(&price_info, vector::borrow(&expected_price_infos, idx)), 0);
            return_shared(price_info_object);
            idx = idx + 1;
        };
        coin::burn_for_testing<SUI>(coins);

        // clean up test scenario
        test_scenario::next_tx(&mut scenario, DEPLOYER);
        hot_potato_vector::destroy<PriceInfo>(auth_price_infos);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }

    #[test]
    #[expected_failure(abort_code = pyth::pyth::E_INSUFFICIENT_FEE)]
    fun test_create_and_update_price_feeds_insufficient_fee() {

        // this is not enough fee and will cause a failure
        let coins_to_mint = 1;

        let (scenario, test_coins, clock) =  setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources_for_test_vaa(), vector[x"beFA429d57cD18b7F8A4d91A2da9AB4AF05d0FBe"], DEFAULT_BASE_UPDATE_FEE, coins_to_mint);
        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaas = get_verified_test_vaas(&worm_state, &clock);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        pyth::create_price_feeds(
            &mut pyth_state,
            verified_vaas,
            &clock,
            ctx(&mut scenario)
        );

        // Affirm that 4 objects, which correspond to the 4 new price info objects
        // containing the price feeds were created and shared.
        let effects = test_scenario::next_tx(&mut scenario, DEPLOYER);
        let shared_ids = test_scenario::shared(&effects);
        let created_ids = test_scenario::created(&effects);
        assert!(vector::length<ID>(&shared_ids)==4, 0);
        assert!(vector::length<ID>(&created_ids)==4, 0);

        let price_info_object_1 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_2 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_3 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_4 = take_shared<PriceInfoObject>(&scenario);

        // Create vector of price info objects (Sui objects with key ability and living in global store),
        // which contain the price feeds we want to update. Note that these can be passed into
        // update_price_feeds in any order!
        //let price_info_object_vec = vector[price_info_object_1, price_info_object_2, price_info_object_3, price_info_object_4];
        verified_vaas = get_verified_test_vaas(&worm_state, &clock);
        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let vaa_1 = vector::pop_back<VAA>(&mut verified_vaas);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        // Create authenticated price infos
        let vec = create_price_infos_hot_potato(
            &pyth_state,
            vector[vaa_1],
            &clock
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);
        vec = update_single_price_feed(
            &mut pyth_state,
            vec,
            &mut price_info_object_1,
            test_coins,
            &clock
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);
        hot_potato_vector::destroy<PriceInfo>(vec);

        vector::destroy_empty(verified_vaas);

        return_shared(price_info_object_1);
        return_shared(price_info_object_2);
        return_shared(price_info_object_3);
        return_shared(price_info_object_4);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }


    #[test]
    fun test_update_cache(){
        let (scenario, test_coins, clock) =  setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources_for_test_vaa(), BATCH_ATTESTATION_TEST_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);
        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);

        let verified_vaas = get_verified_test_vaas(&worm_state, &clock);

        // Update cache is called by create_price_feeds.
        pyth::create_price_feeds(
            &mut pyth_state,
            verified_vaas,
            &clock,
            ctx(&mut scenario)
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let price_info_object_1 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_2 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_3 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_4 = take_shared<PriceInfoObject>(&scenario);

        // These updates are price infos that correspond to the ones in TEST_VAAS.
        let updates = get_mock_price_infos();
        let price_info_object_vec = vector[
            price_info_object_1,
            price_info_object_2,
            price_info_object_3,
            price_info_object_4
        ];

        // Check that TEST_VAAS was indeed used to instantiate the price feeds correctly,
        // by confirming that the info in updates is contained in price_info_object_vec.
        check_price_feeds_cached(&updates, &price_info_object_vec);

        price_info_object_4 = vector::pop_back(&mut price_info_object_vec);
        price_info_object_3 = vector::pop_back(&mut price_info_object_vec);
        price_info_object_2 = vector::pop_back(&mut price_info_object_vec);
        price_info_object_1 = vector::pop_back(&mut price_info_object_vec);
        vector::destroy_empty(price_info_object_vec);

        return_shared(price_info_object_1);
        return_shared(price_info_object_2);
        return_shared(price_info_object_3);
        return_shared(price_info_object_4);
        coin::burn_for_testing<SUI>(test_coins);

        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }

    #[test]
    fun test_update_cache_old_update() {
        use pyth::i64::Self;
        use pyth::price::Self;

        let (scenario, test_coins, clock) =  setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources_for_test_vaa(), BATCH_ATTESTATION_TEST_INITIAL_GUARDIANS, DEFAULT_BASE_UPDATE_FEE, DEFAULT_COIN_TO_MINT);
        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let (pyth_state, worm_state) = take_wormhole_and_pyth_states(&scenario);
        let verified_vaas = get_verified_test_vaas(&worm_state, &clock);

        pyth::create_price_feeds(
            &mut pyth_state,
            verified_vaas,
            &clock,
            ctx(&mut scenario)
        );

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        let price_info_object_1 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_2 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_3 = take_shared<PriceInfoObject>(&scenario);
        let price_info_object_4 = take_shared<PriceInfoObject>(&scenario);

        // Hardcode the price identifier, price, and ema_price for price_info_object_1, because
        // it's easier than unwrapping price_info_object_1 and getting the quantities via getters.
        let timestamp = 1663680740;
        let price_identifier = price_identifier::from_byte_vec(x"c6c75c89f14810ec1c54c03ab8f1864a4c4032791f05747f560faec380a695d1");
        let price = price::new(i64::new(1557, false), 7, i64::new(5, true), timestamp);
        let ema_price = price::new(i64::new(1500, false), 3, i64::new(5, true), timestamp);

        // Attempt to update the price with an update older than the current cached one.
        let old_price = price::new(i64::new(1243, true), 9802, i64::new(6, false), timestamp - 200);
        let old_ema_price = price::new(i64::new(8976, true), 234, i64::new(897, false), timestamp - 200);
        let old_update = price_info::new_price_info(
            1257278600,
            1690226180,
            price_feed::new(
                    price_identifier,
                    old_price,
                    old_ema_price,
            )
        );
        let latest_only = pyth::state::create_latest_only_for_test();
        pyth::update_cache(latest_only, &old_update, &mut price_info_object_1, &clock);

        let current_price_info = price_info::get_price_info_from_price_info_object(&price_info_object_1);
        let current_price_feed = price_info::get_price_feed(&current_price_info);
        let current_price = price_feed::get_price(current_price_feed);
        let current_ema_price = price_feed::get_ema_price(current_price_feed);

        // Confirm that no price update occurred when we tried to update cache with an
        // outdated update: old_update.
        assert!(current_price == price, 1);
        assert!(current_ema_price == ema_price, 1);

        test_scenario::next_tx(&mut scenario, DEPLOYER);

        // Update the cache with a fresh update.
        let fresh_price = price::new(i64::new(5243, true), 2, i64::new(3, false), timestamp + 200);
        let fresh_ema_price = price::new(i64::new(8976, true), 21, i64::new(32, false), timestamp + 200);
        let fresh_update = price_info::new_price_info(
            1257278600,
            1690226180,
            price_feed::new(
                    price_identifier,
                    fresh_price,
                    fresh_ema_price,
            )
        );

        let latest_only = pyth::state::create_latest_only_for_test();
        pyth::update_cache(latest_only, &fresh_update, &mut price_info_object_1, &clock);

        // Confirm that the Pyth cached price got updated to fresh_price.
        let current_price_info = price_info::get_price_info_from_price_info_object(&price_info_object_1);
        let current_price_feed = price_info::get_price_feed(&current_price_info);
        let current_price = price_feed::get_price(current_price_feed);
        let current_ema_price = price_feed::get_ema_price(current_price_feed);

        assert!(current_price==fresh_price, 0);
        assert!(current_ema_price==fresh_ema_price, 0);

        return_shared(price_info_object_1);
        return_shared(price_info_object_2);
        return_shared(price_info_object_3);
        return_shared(price_info_object_4);

        coin::burn_for_testing<SUI>(test_coins);
        cleanup_worm_state_pyth_state_and_clock(worm_state, pyth_state, clock);
        test_scenario::end(scenario);
    }

    // pyth accumulator tests (included in this file instead of pyth_accumulator.move to avoid dependency cycle - as we need pyth_tests::setup_test)
    #[test]
    fun test_parse_and_verify_accumulator_updates(){
        use sui::test_scenario::{Self, take_shared, return_shared};
        use sui::transfer::{Self};

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, vector[], ACCUMULATOR_TESTS_INITIAL_GUARDIANS, 50, 0);
        let worm_state = take_shared<WormState>(&scenario);
        test_scenario::next_tx(&mut scenario, @0x123);

        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_3_MSGS, &clock);

        let cur = cursor::new(TEST_ACCUMULATOR_3_MSGS);

        let price_info_updates = accumulator::parse_and_verify_accumulator_message(&mut cur, vaa::take_payload(verified_vaa), &clock);

        let expected_price_infos = accumulator_test_3_to_price_info(0);
        let num_updates = vector::length<PriceInfo>(&price_info_updates);
        let i = 0;
        while (i < num_updates){
            assert!(price_feeds_equal(vector::borrow(&price_info_updates, i), vector::borrow(&expected_price_infos, i)), 0);
            i = i + 1;
        };

        // clean-up
        cursor::take_rest(cur);
        transfer::public_transfer(coins, @0x1234);
        clock::destroy_for_testing(clock);
        return_shared(worm_state);
        test_scenario::end(scenario);
    }

    #[test]
    fun test_parse_and_verify_accumulator_updates_with_extra_bytes_at_end_of_message(){
        use sui::test_scenario::{Self, take_shared, return_shared};
        use sui::transfer::{Self};

        let (scenario, coins, clock) = setup_test(500, 23, ACCUMULATOR_TESTS_EMITTER_ADDRESS, vector[], ACCUMULATOR_TESTS_INITIAL_GUARDIANS, 50, 0);
        let worm_state = take_shared<WormState>(&scenario);
        test_scenario::next_tx(&mut scenario, @0x123);

        let verified_vaa = get_verified_vaa_from_accumulator_message(&worm_state, TEST_ACCUMULATOR_3_MSGS, &clock);

        // append some extra garbage bytes at the end of the accumulator message, and make sure
        // that parse_and_verify_accumulator_message does not error out
        vector::append(&mut TEST_ACCUMULATOR_3_MSGS, x"1234123412341234");

        let cur = cursor::new(TEST_ACCUMULATOR_3_MSGS);

        let price_info_updates = accumulator::parse_and_verify_accumulator_message(&mut cur, vaa::take_payload(verified_vaa), &clock);

        let expected_price_infos = accumulator_test_3_to_price_info(0);
        let num_updates = vector::length<PriceInfo>(&price_info_updates);
        let i = 0;
        while (i < num_updates){
            assert!(price_feeds_equal(vector::borrow(&price_info_updates, i), vector::borrow(&expected_price_infos, i)), 0);
            i = i + 1;
        };

        // clean-up
        cursor::take_rest(cur);
        transfer::public_transfer(coins, @0x1234);
        clock::destroy_for_testing(clock);
        return_shared(worm_state);
        test_scenario::end(scenario);
    }

    fun price_feeds_equal(p1: &PriceInfo, p2: &PriceInfo): bool{
        price_info::get_price_feed(p1)== price_info::get_price_feed(p2)
    }

    // helper functions for setting up tests

    // accumulator_test_3_to_price_info gets the data encoded within TEST_ACCUMULATOR_3_MSGS
    fun accumulator_test_3_to_price_info(offset: u64): vector<PriceInfo> {
        use pyth::i64::{Self};
        use pyth::price::{Self};
        let i = 0;
        let feed_ids = vector[x"b10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6",
            x"6e1540171b6c0c960b71a7020d9f60077f6af931a8bbf590da0223dacf75c7af",
            x"31ecc21a745e3968a04e9570e4425bc18fa8019c68028196b546d1669c200c68"];
        let expected: vector<PriceInfo> = vector[];
        while (i < 3) {
            vector::push_back(&mut expected, price_info::new_price_info(
                1663680747,
                1663074349,
                price_feed::new(
                    price_identifier::from_byte_vec(
                        *vector::borrow(&feed_ids, i)
                    ),
                    price::new(
                        i64::new(100 + i + offset, false),
                        50 + i + offset,
                        i64::new(9 + i + offset, false),
                        1687276660 + i + offset
                    ),
                    price::new(
                        i64::new(99 + i + offset, false),
                        52 + i + offset,
                        i64::new(9 + i + offset, false),
                        1687276660 + i + offset
                    ),
                ),
            ));
            i = i + 1;
        };
        return expected
    }

    // accumulator_test_1_to_price_info gets the data encoded within TEST_ACCUMULATOR_SINGLE_FEED
    fun accumulator_test_1_to_price_info(): PriceInfo {
        use pyth::i64::{Self};
        use pyth::price::{Self};
        price_info::new_price_info(
                1663680747,
                1663074349,
                price_feed::new(
                    price_identifier::from_byte_vec(
                        x"b10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6"
                    ),
                    price::new(
                        i64::new(6887568746747646632, false),
                        13092246197863718329,
                        i64::new(1559537863, false),
                        1687276661
                    ),
                    price::new(
                        i64::new(4772242609775910581, false),
                        358129956189946877,
                        i64::new(1559537863, false),
                        1687276661
                    ),
                ),
            )
    }

    public fun cleanup_worm_state_pyth_state_and_clock(worm_state: WormState, pyth_state: PythState, clock: Clock){
        return_shared(worm_state);
        return_shared(pyth_state);
        clock::destroy_for_testing(clock);
    }

    public fun take_wormhole_and_pyth_states(scenario: &Scenario): (PythState, WormState){
        (take_shared<PythState>(scenario), take_shared<WormState>(scenario))
    }
}