mango-v4/programs/mango-v4/tests/program_test/utils.rs

130 lines
3.7 KiB
Rust

#![allow(dead_code)]
use bytemuck::{bytes_of, Contiguous};
use fixed::types::I80F48;
use mango_v4::state::{PerpMarket, PerpPosition};
use solana_program::instruction::InstructionError;
use solana_program::program_error::ProgramError;
use solana_sdk::pubkey::Pubkey;
use solana_sdk::signature::Keypair;
use solana_sdk::transaction::TransactionError;
use solana_sdk::transport::TransportError;
pub fn gen_signer_seeds<'a>(nonce: &'a u64, acc_pk: &'a Pubkey) -> [&'a [u8]; 2] {
[acc_pk.as_ref(), bytes_of(nonce)]
}
pub fn gen_signer_key(
nonce: u64,
acc_pk: &Pubkey,
program_id: &Pubkey,
) -> Result<Pubkey, ProgramError> {
let seeds = gen_signer_seeds(&nonce, acc_pk);
Ok(Pubkey::create_program_address(&seeds, program_id)?)
}
pub fn create_signer_key_and_nonce(program_id: &Pubkey, acc_pk: &Pubkey) -> (Pubkey, u64) {
for i in 0..=u64::MAX_VALUE {
if let Ok(pk) = gen_signer_key(i, acc_pk, program_id) {
return (pk, i);
}
}
panic!("Could not generate signer key");
}
pub fn clone_keypair(keypair: &Keypair) -> Keypair {
Keypair::from_base58_string(&keypair.to_base58_string())
}
// Add clone() to Keypair, totally safe in tests
pub trait ClonableKeypair {
fn clone(&self) -> Self;
}
impl ClonableKeypair for Keypair {
fn clone(&self) -> Self {
clone_keypair(self)
}
}
/// A Keypair-like struct that's Clone and Copy and can be into()ed to a Keypair
///
/// The regular Keypair is neither Clone nor Copy because the key data is sensitive
/// and should not be copied needlessly. That just makes things difficult for tests.
#[derive(Clone, Copy, Debug)]
pub struct TestKeypair([u8; 64]);
impl TestKeypair {
pub fn new() -> Self {
Keypair::new().into()
}
pub fn to_keypair(&self) -> Keypair {
Keypair::from_bytes(&self.0).unwrap()
}
pub fn pubkey(&self) -> Pubkey {
solana_sdk::signature::Signer::pubkey(&self.to_keypair())
}
}
impl Default for TestKeypair {
fn default() -> Self {
Self([0; 64])
}
}
impl<T: std::borrow::Borrow<Keypair>> From<T> for TestKeypair {
fn from(k: T) -> Self {
Self(k.borrow().to_bytes())
}
}
impl Into<Keypair> for &TestKeypair {
fn into(self) -> Keypair {
self.to_keypair()
}
}
pub fn get_pnl_native(
perp_position: &PerpPosition,
perp_market: &PerpMarket,
oracle_price: I80F48,
) -> I80F48 {
let contract_size = perp_market.base_lot_size;
let new_quote_pos =
I80F48::from_num(-perp_position.base_position_lots() * contract_size) * oracle_price;
perp_position.quote_position_native() - new_quote_pos
}
pub fn assert_mango_error<T>(
result: &Result<T, TransportError>,
expected_error: u32,
comment: String,
) {
match result {
Ok(_) => assert!(false, "No error returned"),
Err(TransportError::TransactionError(tx_err)) => match tx_err {
TransactionError::InstructionError(_, err) => match err {
InstructionError::Custom(err_num) => {
assert_eq!(*err_num, expected_error, "{}", comment);
}
_ => assert!(false, "Not a mango error"),
},
_ => assert!(false, "Not a mango error"),
},
_ => assert!(false, "Not a mango error"),
}
}
pub fn assert_equal_fixed_f64(value: I80F48, expected: f64, max_error: f64) -> bool {
let ok = (value.to_num::<f64>() - expected).abs() < max_error;
if !ok {
println!("comparison failed: value: {value}, expected: {expected}");
}
ok
}
pub fn assert_equal_f64_f64(value: f64, expected: f64, max_error: f64) -> bool {
let ok = (value - expected).abs() < max_error;
if !ok {
println!("comparison failed: value: {value}, expected: {expected}");
}
ok
}