//! Local Anvil-based testing environment.
//!
//! [`TestExchange`] spins up Anvil instance with collateral token and exchange
//! smart contracts deployed and provides convenience methods for perpetual
//! contracts setup and account creation.
//!
//! [`TestPerp`] then can be used to configure perpetual contracts and post
//! orders, while [`TestAccount`] provides basic information about exchange
//! account.
//!
//! [`Indexer`] wraps snapshot creation and event processing, while providing
//! convenience methods for synchronization in tests.
mod account;
mod indexer;
mod perp;
use std::{
str::FromStr,
sync::{
Arc,
atomic::{AtomicBool, Ordering},
},
time::Duration,
};
pub use account::*;
use alloy::{
hex::ToHexExt,
network::TransactionBuilder,
node_bindings::{Anvil, AnvilInstance},
primitives::{Address, Bytes, U256, address, hex},
providers::{DynProvider, Provider, ProviderBuilder, ext::AnvilApi},
rpc::{client::RpcClient, types::TransactionRequest},
};
use dashmap::{DashMap, DashSet};
use fastnum::{UD64, udec64};
pub use indexer::*;
pub use perp::*;
use crate::{
Chain,
abi::{dex::Exchange, erc1967_proxy::ERC1967Proxy, testing::TestToken},
error::DexError,
num, state, types,
};
const CHAIN_ID: u64 = 1337;
const BLOCK_TIME_SEC: f64 = 0.4;
const POLL_INTERVAL_MS: u64 = 50;
const USD_DECIMALS: u8 = 6;
/// Creation bytecode of the previous exchange implementation
/// (`rc_v1.1.7-99-g3afdb99`, contract generation v1.1.7.3b), deployed by
/// [`TestExchange::new_at_previous_version`].
///
/// Only the bytecode is kept: every function the pre-upgrade path calls has an
/// unchanged signature, so the current bindings drive it, and the current
/// `ExchangeEvents` still decodes its events - the V1 event signatures are
/// retained in the ABI for exactly this reason.
const PREVIOUS_IMPLEMENTATION: &str =
include_str!("../../abi/dex/legacy/Exchange.v1.1.7.3.bin");
#[derive(Debug)]
pub struct TestExchange {
pub chain_id: u64,
pub rpc_url: String,
pub provider: DynProvider,
pub exchange: Exchange::ExchangeInstance<DynProvider>,
pub token: TestToken::TestTokenInstance<DynProvider>,
pub owner: Address,
pub owner_pk: String,
pub admin: Address,
pub admin_pk: String,
pub price_admin: Address,
pub price_admin_pk: String,
pub collateral_converter: num::Converter,
perpetual_ids: Arc<DashSet<types::PerpetualId>>,
account_address: Arc<DashMap<types::AccountId, Address>>,
// True while the deployed generation predates v1.1.7.4 (set by
// `new_at_previous_version`, cleared by `upgrade`). That generation's
// `addContract` carries two extra genesis-fee args, so `perp` must reach it
// through the legacy interface; a v1.1.7.4 deployment uses the current one.
legacy: AtomicBool,
anvil: AnvilInstance,
}
impl TestExchange {
/// Spins up the environment running the exchange implementation the SDK
/// targets ([`state::Exchange::revision`]).
pub async fn new() -> Self { Self::deploy(None).await }
/// Spins up the environment running the *previous* contract generation
/// (v1.1.7.3b: V2 information getters, but no version getter, keyed fee
/// schedules, builder attribution or existence bitmap) - the generation
/// deployed on mainnet before the v1.1.7.4 upgrade.
///
/// Use with [`Self::upgrade`] to exercise the SDK across the upgrade
/// itself.
pub async fn new_at_previous_version() -> Self {
Self::deploy(Some(PREVIOUS_IMPLEMENTATION)).await
}
/// Upgrades the proxy to the implementation the SDK targets, seeding the
/// exchange-wide fee schedules and repointing every listed perpetual
/// contract at the default one.
///
/// Runs `initializeV3` in the upgrade transaction, exactly as the real
/// upgrade does, so the log sequence a live indexer observes is the real
/// one.
pub async fn upgrade(
&self,
taker_fees: [UD64; state::FEE_TIERS],
maker_fees: [UD64; state::FEE_TIERS],
) {
let implementation = Exchange::deploy(self.provider.clone())
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap();
let fee_converter = num::fee_converter();
let initialize = self
.exchange
.initializeV3(
taker_fees.map(|fee| fee_converter.to_unsigned(fee)),
maker_fees.map(|fee| fee_converter.to_unsigned(fee)),
// RWA schedule left blank, as in the real upgrade configuration
[U256::ZERO; state::FEE_TIERS],
[U256::ZERO; state::FEE_TIERS],
// Must list every live perpetual: `initializeV3` rejects an
// incomplete list rather than leave one on a stale fee key
self.perpetual_ids.iter().map(|p| U256::from(*p)).collect(),
)
.calldata()
.clone();
self.exchange
.upgradeToAndCall(*implementation.address(), initialize)
.gas(30_000_000)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
// The proxy now runs the v1.1.7.4 implementation, whose `addContract`
// dropped the two genesis-fee args, so subsequent listings use it.
self.legacy.store(false, Ordering::Relaxed);
}
async fn deploy(implementation: Option<&str>) -> Self {
let anvil = Anvil::new()
.block_time_f64(BLOCK_TIME_SEC)
.chain_id(CHAIN_ID)
.args(vec!["--code-size-limit", "131072"])
.args(vec!["--gas-limit", "200000000"])
.args(vec!["--base-fee", "100000000000"])
.args(vec!["--order", "fifo"])
.args(vec!["--max-persisted-states", "1000"])
.args(vec!["--slots-in-an-epoch", "0"])
.try_spawn()
.unwrap();
let client = RpcClient::builder().http(anvil.endpoint_url());
client.set_poll_interval(Duration::from_millis(POLL_INTERVAL_MS));
let provider = DynProvider::new(
ProviderBuilder::new()
.wallet(anvil.wallet().unwrap())
.connect_client(client),
);
// Deploy multicall3 contract (see https://github.com/mds1/multicall3?tab=readme-ov-file#new-deployments)
provider
.anvil_set_balance(
address!("0x05f32b3cc3888453ff71b01135b34ff8e41263f2"),
U256::from(1e18 as u64),
)
.await
.unwrap();
_ = provider.send_raw_transaction(&hex!("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let (owner, admin, price_admin) =
(anvil.addresses()[0], anvil.addresses()[1], anvil.addresses()[2]);
// Test USD
let token = TestToken::deploy(
provider.clone(),
"Test USD".to_string(),
"USD".to_string(),
USD_DECIMALS,
)
.await
.unwrap();
// Some allocation to owner for the faucet
token
.mint(owner, usd(1_000_000_000))
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
// Exchange implementation and upgradeable proxy. `initialize` is
// unchanged across the generations, so its calldata can be built from the
// current bindings whichever implementation is deployed.
let exchange_impl = match implementation {
None => *Exchange::deploy(provider.clone())
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.address(),
Some(bytecode) => deploy_bytecode(&provider, bytecode).await,
};
let init_calldata = Exchange::new(exchange_impl, provider.clone())
.initialize(*token.address())
.calldata()
.clone();
let proxy = ERC1967Proxy::deploy(provider.clone(), exchange_impl, init_calldata)
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap();
let exchange = Exchange::new(*proxy.address(), provider.clone());
// Disable account whitelisting
exchange
.setWhitelistingEnabled(false)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
// Setup roles
exchange
.setAdministrator(admin, true)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
exchange
.setPriceAdministrator(price_admin, true)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
Self {
chain_id: anvil.chain_id(),
rpc_url: anvil.endpoint_url().to_string(),
provider,
exchange,
token,
owner,
owner_pk: anvil.nth_key(0).unwrap().to_bytes().encode_hex(),
admin,
admin_pk: anvil.nth_key(1).unwrap().to_bytes().encode_hex(),
price_admin,
price_admin_pk: anvil.nth_key(2).unwrap().to_bytes().encode_hex(),
collateral_converter: num::Converter::new(USD_DECIMALS),
perpetual_ids: Arc::new(DashSet::new()),
account_address: Arc::new(DashMap::new()),
// A specific implementation is only ever requested by
// `new_at_previous_version`, so this marks the pre-upgrade generation.
legacy: AtomicBool::new(implementation.is_some()),
anvil,
}
}
pub fn chain(&self) -> Chain {
Chain::custom(
self.chain_id,
*self.token.address(),
0,
*self.exchange.address(),
self.perpetual_ids.iter().map(|p| *p).collect(),
)
}
/// Same chain with no perpetual contracts configured, so clients discover
/// every listed contract on-chain instead.
pub fn chain_with_perpetual_discovery(&self) -> Chain { self.chain().with_perpetuals(vec![]) }
pub async fn account(&self, idx: usize, usd_balance: u64) -> TestAccount<'_> {
let address = self.anvil.addresses()[idx + 3]; // skipping owner, admin and price admin
let target_balance = usd(usd_balance);
let cur_balance = self.token.balanceOf(address).call().await.unwrap();
if target_balance > cur_balance {
self.token
.mint(address, target_balance - cur_balance)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
}
self.token
.approve(*self.exchange.address(), target_balance)
.from(address)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
let receipt = self
.exchange
.createAccount(target_balance)
.from(address)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
let log = receipt.decoded_log::<Exchange::AccountCreated>().unwrap();
self.account_address.insert(log.id.to(), log.account);
TestAccount { id: log.id.to(), address: log.account, exchange: self }
}
/// Sets the exchange-wide default fee schedule, eight `(taker, maker)`
/// rates indexed by an account's fee tier. Every perpetual contract
/// that has not been repointed resolves its fees from this schedule.
pub async fn set_fee_schedule(
&self,
taker_fees: [UD64; state::FEE_TIERS],
maker_fees: [UD64; state::FEE_TIERS],
) {
let fee_converter = num::fee_converter();
self.exchange
.setDefaultPerpFeeSchedValues(
taker_fees.map(|fee| fee_converter.to_unsigned(fee)),
maker_fees.map(|fee| fee_converter.to_unsigned(fee)),
)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
}
/// Sets the exchange-wide RWA default fee schedule, see
/// [`Self::set_fee_schedule`].
pub async fn set_rwa_fee_schedule(
&self,
taker_fees: [UD64; state::FEE_TIERS],
maker_fees: [UD64; state::FEE_TIERS],
) {
let fee_converter = num::fee_converter();
self.exchange
.setDefaultRwaFeeSchedValues(
taker_fees.map(|fee| fee_converter.to_unsigned(fee)),
maker_fees.map(|fee| fee_converter.to_unsigned(fee)),
)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
}
/// Assigns fee tiers to accounts, indexing the fee schedule of every
/// perpetual contract they trade.
pub async fn set_account_fee_tiers(&self, tiers: Vec<(types::AccountId, types::FeeTier)>) {
self.exchange
.setAccountFeeTiers(
tiers
.into_iter()
.map(|(account_id, tier)| Exchange::AccountFeeTier {
accountId: U256::from(account_id),
tier: U256::from(tier),
})
.collect(),
)
.from(self.admin)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
}
/// Adds a perpetual contract, placed on the exchange-wide default fee
/// schedule.
///
/// Fees are not a listing parameter: the schedule is seeded once at
/// deployment, and `addContract` retains its fee arguments for ABI
/// stability while ignoring them (v1.1.7.4). Use
/// [`Self::set_fee_schedule`] to retune the shared schedule, or
/// [`TestPerp::set_fee_schedule`] to give this contract its own.
#[allow(clippy::too_many_arguments)]
pub async fn perp(
&self,
name: &str,
perp_id: types::PerpetualId,
base_price: UD64,
price_decimals: u8,
size_decimals: u8,
initial_margin: UD64,
maintenance_margin: UD64,
) -> TestPerp<'_> {
let price_converter = num::Converter::new(price_decimals);
let leverage_converter = num::Converter::new(2); // Margin and leverage are in 100th
if self.legacy.load(Ordering::Relaxed) {
// The pre-v1.1.7.4 generation's `addContract` still carries the two
// genesis-fee args (dropped in v1.1.7.4); reach it through the legacy
// interface so the selector matches the deployed contract. Genesis
// fees are seeded to zero and set separately via
// `TestPerp::with_legacy_fees`.
crate::abi::dex_legacy::LegacyExchange::new(
*self.exchange.address(),
self.provider.clone(),
)
.addContract(
name.to_string(),
name.to_string(),
U256::from(perp_id),
price_converter.to_unsigned(base_price),
U256::from(price_decimals),
U256::from(size_decimals),
U256::ZERO,
U256::ZERO,
leverage_converter.to_unsigned(initial_margin),
leverage_converter.to_unsigned(maintenance_margin),
)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
} else {
self.exchange
.addContract(
name.to_string(),
name.to_string(),
U256::from(perp_id),
price_converter.to_unsigned(base_price),
U256::from(price_decimals),
U256::from(size_decimals),
leverage_converter.to_unsigned(initial_margin),
leverage_converter.to_unsigned(maintenance_margin),
)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
}
// Ignore oracle to eliminate ChainLink dependency
self.exchange
.setIgnOracle(U256::from(perp_id), true)
.send()
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap();
self.perpetual_ids.insert(perp_id);
TestPerp {
id: perp_id,
name: name.to_string(),
price_converter,
size_converter: num::Converter::new(size_decimals),
leverage_converter,
exchange: self,
}
}
pub async fn btc_perp(&self) -> TestPerp<'_> {
self.perp("BTC", 0x10, udec64!(5000), 1, 5, udec64!(10), udec64!(20))
.await
.with_mark_price(udec64!(100000))
.await
.unpause()
.await
}
pub async fn eth_perp(&self) -> TestPerp<'_> {
self.perp("ETH", 0x20, udec64!(1), 2, 3, udec64!(10), udec64!(20))
.await
.with_mark_price(udec64!(4000))
.await
.unpause()
.await
}
pub async fn sol_perp(&self) -> TestPerp<'_> {
self.perp("SOL", 0x30, udec64!(1), 2, 3, udec64!(10), udec64!(20))
.await
.with_mark_price(udec64!(200))
.await
.unpause()
.await
}
pub async fn trx_perp(&self) -> TestPerp<'_> {
self.perp("TRX", 0x40, udec64!(1), 5, 0, udec64!(10), udec64!(20))
.await
.with_mark_price(udec64!(0.3))
.await
.unpause()
.await
}
}
/// Deploys a contract from raw creation bytecode, for an implementation the SDK
/// has no bindings for.
async fn deploy_bytecode(provider: &DynProvider, bytecode: &str) -> Address {
let code = Bytes::from_str(bytecode.trim()).expect("implementation bytecode");
provider
.send_transaction(TransactionRequest::default().with_deploy_code(code))
.await
.map_err::<DexError, _>(|err| DexError::Provider(err.into()))
.unwrap()
.get_receipt()
.await
.unwrap()
.contract_address
.expect("implementation deployed")
}
pub fn scale(amount: u64, decimals: u8) -> U256 {
U256::from(amount) * U256::from(10).pow(U256::from(decimals))
}
pub fn usd(amount: u64) -> U256 { scale(amount, USD_DECIMALS) }