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

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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};
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 wormhole::external_address::{Self};
use wormhole::vaa::{Self, VAA};
use wormhole::bytes32::{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_PRICE_INFO_OBJECT_NOT_FOUND: u64 = 4;
const E_INVALID_PUBLISH_TIMES_LENGTH: u64 = 5;
const E_NO_FRESH_DATA: u64 = 6;
#[test_only]
friend pyth::pyth_tests;
/// Call init_and_share_state with deployer cap to initialize
/// 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.
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));
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);
}
}
};
vector::destroy_empty(verified_vaas);
}
/// Update Pyth Price Info objects (containing price feeds) with the
/// price data in the given VAAs.
///
/// The vaas argument is a vector of VAAs encoded as bytes.
///
/// The javascript https://github.com/pyth-network/pyth-js/tree/main/pyth-sui-js package
/// should be used to fetch these VAAs from the Price Service. More information about this
/// process can be found at https://docs.pyth.network/consume-data.
///
/// 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/consume-data/on-demand#fees
public fun update_price_feeds(
pyth_state: &PythState,
verified_vaas: vector<VAA>,
price_info_objects: &mut vector<PriceInfoObject>,
fee: Coin<SUI>,
clock: &Clock
){
let _ = state::assert_latest_only(pyth_state);
// Charge the message update fee
assert!(get_total_update_fee(pyth_state, vector::length(&verified_vaas)) <= coin::value(&fee), E_INSUFFICIENT_FEE);
// TODO: Ideally, we'd want to use Wormhole fee collector instead of transferring funds to deployer address,
// however this requires a mutable reference to PythState. We don't want update_price_feeds
// to take in mutable references to PythState, because taking a global write lock on it
// makes it so price updates can't execute in parallel, even if they act on different price feeds
// (or PriceInfoObjects).
transfer::public_transfer(fee, state::get_fee_recipient(pyth_state));
// Update the price feed from each VAA
while (!vector::is_empty(&verified_vaas)) {
update_price_feed_from_single_vaa(
pyth_state,
vector::pop_back(&mut verified_vaas),
price_info_objects,
clock
);
};
vector::destroy_empty(verified_vaas);
}
/// Make sure that a Sui object of type PriceInfoObject exists for each update
/// encoded in the worm_vaa (batch_attestation_vaa). These should be passed in
/// via the price_info_objects argument. If for any price feed update, a
/// a PriceInfoObject with a matching price identifier is not found, the update_cache
/// function will revert, causing this function to revert.
fun update_price_feed_from_single_vaa(
pyth_state: &PythState,
verified_vaa: VAA,
price_info_objects: &mut vector<PriceInfoObject>,
clock: &Clock
) {
// 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(&verified_vaa) as u64),
vaa::emitter_address(&verified_vaa))
),
E_INVALID_DATA_SOURCE);
// Deserialize the batch price attestation
let price_infos = batch_price_attestation::destroy(batch_price_attestation::deserialize(vaa::take_payload(verified_vaa), clock));
// Update price info objects.
update_cache(price_infos, price_info_objects, clock);
}
/// Update PriceInfoObjects using up-to-date PriceInfos.
public(friend) fun update_cache(
updates: vector<PriceInfo>,
price_info_objects: &mut vector<PriceInfoObject>,
clock: &Clock,
){
while (!vector::is_empty(&updates)) {
let update = vector::pop_back(&mut updates);
let i = 0;
let found = false;
// Note - Would it be worth it to construct an in-memory hash-map to make look-ups faster?
// This loop might be expensive if there are a large number of price_info_objects
// passed in.
while (i < vector::length<PriceInfoObject>(price_info_objects) && found == false){
// Check if the current price info object corresponds to the price feed that
// the update is meant for.
let price_info = price_info::get_price_info_from_price_info_object(vector::borrow(price_info_objects, i));
if (price_info::get_price_identifier(&price_info) ==
price_info::get_price_identifier(&update)){
found = true;
// Update the price info object with the new updated price info.
if (is_fresh_update(&update, vector::borrow(price_info_objects, i))){
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(
vector::borrow_mut(price_info_objects, i),
update
);
}
};
i = i + 1;
};
if (!found){
abort(E_PRICE_INFO_OBJECT_NOT_FOUND)
}
};
vector::destroy_empty(updates);
}
/// Update the cached price feeds with the data in the given VAAs, using
/// update_price_feeds(). However, this function will only have an effect if any of the
/// prices in the update are fresh. The price_identifiers and publish_times parameters
/// are used to determine if the update is fresh without doing any serialisation or verification
/// of the VAAs, potentially saving time and gas. If the update contains no fresh data, this function
/// will revert with error::no_fresh_data().
///
/// For a given price update i in the batch, that price is considered fresh if the current cached
/// price for price_identifiers[i] is older than publish_times[i].
public fun update_price_feeds_if_fresh(
vaas: vector<VAA>,
pyth_state: &PythState,
price_info_objects: &mut vector<PriceInfoObject>,
publish_times: vector<u64>,
fee: Coin<SUI>,
clock: &Clock
) {
assert!(vector::length(price_info_objects) == vector::length(&publish_times),
E_INVALID_PUBLISH_TIMES_LENGTH
);
let fresh_data = false;
let i = 0;
while (i < vector::length(&publish_times)) {
let cur_price_info = price_info::get_price_info_from_price_info_object(vector::borrow(price_info_objects, i));
let cur_price_feed = price_info::get_price_feed(&cur_price_info);
let cur_price = price_feed::get_price(cur_price_feed);
let cached_timestamp = price::get_timestamp(&cur_price);
if (cached_timestamp < *vector::borrow(&publish_times, i)) {
fresh_data = true;
break
};
i = i + 1;
};
assert!(fresh_data, E_NO_FRESH_DATA);
update_price_feeds(pyth_state, vaas, price_info_objects, fee, clock);
}
/// 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/consumers/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/consume-data/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/consume-data/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_identifier::{Self};
use pyth::price_info::{Self, PriceInfo, PriceInfoObject};
use pyth::price_feed::{Self};
use pyth::data_source::{Self, DataSource};
use pyth::i64::{Self};
use pyth::price::{Self};
use pyth::pyth::{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};
const DEPLOYER: address = @0x1234;
#[test_only]
/// 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
}
#[test_only]
/// Init Wormhole core bridge state.
/// Init Pyth state.
/// Set initial Sui clock time.
/// Mint some SUI fee coins.
fun setup_test(
stale_price_threshold: u64,
governance_emitter_chain_id: u64,
governance_emitter_address: vector<u8>,
data_sources: vector<DataSource>,
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 initial_guardians =
vector[
x"beFA429d57cD18b7F8A4d91A2da9AB4AF05d0FBe"
];
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)
}
#[test_only]
fun get_mock_price_infos(): vector<PriceInfo> {
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),
),
),
]
}
#[test_only]
/// 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 single_update_fee = 50;
let (scenario, test_coins, _clock) = setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", vector[], single_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)) == single_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)) == 250, 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, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", vector[], 50, 0);
test_scenario::next_tx(&mut scenario, DEPLOYER);
let pyth_state = take_shared<PythState>(&scenario);
let worm_state = take_shared<WormState>(&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)
);
return_shared(pyth_state);
return_shared(worm_state);
clock::destroy_for_testing(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, 50, 0);
test_scenario::next_tx(&mut scenario, DEPLOYER);
let pyth_state = take_shared<PythState>(&scenario);
let worm_state = take_shared<WormState>(&scenario);
let verified_vaas = get_verified_test_vaas(&worm_state, &clock);
pyth::create_price_feeds(
&mut pyth_state,
verified_vaas,
&clock,
ctx(&mut scenario)
);
return_shared(pyth_state);
return_shared(worm_state);
clock::destroy_for_testing(clock);
coin::burn_for_testing<SUI>(test_coins);
test_scenario::end(scenario);
}
#[test_only]
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(x"71f8dcb863d176e2c420ad6610cf687359612b6fb392e0642b0ca6b1f186aa3b")))
]
}
#[test]
fun test_create_and_update_price_feeds_success() {
let data_sources = data_sources_for_test_vaa();
let base_update_fee = 50;
let coins_to_mint = 5000;
let (scenario, test_coins, clock) = setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources, base_update_fee, coins_to_mint);
test_scenario::next_tx(&mut scenario, DEPLOYER);
let pyth_state = take_shared<PythState>(&scenario);
let worm_state = take_shared<WormState>(&scenario);
let verified_vaas = get_verified_test_vaas(&worm_state, &clock);
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);
pyth::update_price_feeds(
&mut pyth_state,
verified_vaas,
&mut price_info_object_vec,
test_coins,
&clock
);
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(pyth_state);
return_shared(worm_state);
return_shared(price_info_object_1);
return_shared(price_info_object_2);
return_shared(price_info_object_3);
return_shared(price_info_object_4);
clock::destroy_for_testing(clock);
test_scenario::end(scenario);
}
#[test]
#[expected_failure(abort_code = pyth::pyth::E_PRICE_INFO_OBJECT_NOT_FOUND)]
fun test_create_and_update_price_feeds_price_info_object_not_found_failure() {
let data_sources = data_sources_for_test_vaa();
let base_update_fee = 50;
let coins_to_mint = 5000;
let (scenario, test_coins, clock) = setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources, base_update_fee, coins_to_mint);
test_scenario::next_tx(&mut scenario, DEPLOYER);
let pyth_state = take_shared<PythState>(&scenario);
let worm_state = take_shared<WormState>(&scenario);
let verified_vaas = get_verified_test_vaas(&worm_state, &clock);
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);
// Note that here we only pass in 3 price info objects corresponding to 3 out
// of the 4 price feeds.
let price_info_object_vec = vector[price_info_object_1, price_info_object_2, price_info_object_3];
let verified_vaas = get_verified_test_vaas(&worm_state, &clock);
pyth::update_price_feeds(
&mut pyth_state,
verified_vaas,
&mut price_info_object_vec,
test_coins,
&clock
);
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(pyth_state);
return_shared(worm_state);
return_shared(price_info_object_1);
return_shared(price_info_object_2);
return_shared(price_info_object_3);
return_shared(price_info_object_4);
return_shared(clock);
test_scenario::end(scenario);
}
#[test]
#[expected_failure(abort_code = pyth::pyth::E_INSUFFICIENT_FEE)]
fun test_create_and_update_price_feeds_insufficient_fee() {
let data_sources = data_sources_for_test_vaa();
let base_update_fee = 50;
let coins_to_mint = 5;
let (scenario, test_coins, clock) = setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources, base_update_fee, coins_to_mint);
test_scenario::next_tx(&mut scenario, DEPLOYER);
let pyth_state = take_shared<PythState>(&scenario);
let worm_state = take_shared<WormState>(&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 = take_shared<PriceInfoObject>(&scenario);
let price_info_object_vec = vector[price_info_object];
verified_vaas = get_verified_test_vaas(&worm_state, &clock);
pyth::update_price_feeds(
&mut pyth_state,
verified_vaas,
&mut price_info_object_vec,
test_coins,
&clock
);
price_info_object = vector::pop_back(&mut price_info_object_vec);
vector::destroy_empty(price_info_object_vec);
return_shared(pyth_state);
return_shared(worm_state);
return_shared(price_info_object);
return_shared(clock);
test_scenario::end(scenario);
}
#[test]
fun test_update_cache(){
let data_sources = data_sources_for_test_vaa();
let base_update_fee = 50;
let coins_to_mint = 5000;
let (scenario, test_coins, clock) = setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources, base_update_fee, coins_to_mint);
test_scenario::next_tx(&mut scenario, DEPLOYER);
let pyth_state = take_shared<PythState>(&scenario);
let worm_state = take_shared<WormState>(&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(pyth_state);
return_shared(worm_state);
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);
clock::destroy_for_testing(clock);
test_scenario::end(scenario);
}
#[test]
fun test_update_cache_old_update() {
let data_sources = data_sources_for_test_vaa();
let base_update_fee = 50;
let coins_to_mint = 5000;
let (scenario, test_coins, clock) = setup_test(500, 23, x"5d1f252d5de865279b00c84bce362774c2804294ed53299bc4a0389a5defef92", data_sources, base_update_fee, coins_to_mint);
test_scenario::next_tx(&mut scenario, DEPLOYER);
let pyth_state = take_shared<PythState>(&scenario);
let worm_state = take_shared<WormState>(&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);
let price_info_object_vec = vector[
price_info_object_1,
price_info_object_2,
price_info_object_3,
price_info_object_4
];
// 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,
)
);
pyth::update_cache(vector<PriceInfo>[old_update], &mut price_info_object_vec, &clock);
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);
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 price_info_object_vec = vector[
price_info_object_1,
price_info_object_2,
price_info_object_3,
price_info_object_4
];
pyth::update_cache(vector<PriceInfo>[fresh_update], &mut price_info_object_vec, &clock);
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);
// 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(pyth_state);
return_shared(worm_state);
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);
clock::destroy_for_testing(clock);
test_scenario::end(scenario);
}
}
// TODO - pyth tests
// https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/aptos/contracts/sources/pyth.move#L384