solana-program-library/token-lending/program/tests/helpers/genesis.rs

92 lines
3.2 KiB
Rust

use serde::{Deserialize, Serialize};
use solana_program::bpf_loader_upgradeable;
use solana_program_test::*;
use solana_sdk::{
account::Account,
bpf_loader_upgradeable::UpgradeableLoaderState,
pubkey::Pubkey,
signature::{read_keypair_file, Signer},
};
use std::{collections::HashMap, fs::File, io::Write, path::Path};
/// An account where the data is encoded as a Base64 string.
#[derive(Serialize, Deserialize, Debug)]
pub struct Base64Account {
pub balance: u64,
pub owner: String,
pub data: String,
pub executable: bool,
}
impl From<Account> for Base64Account {
fn from(account: Account) -> Self {
Self {
owner: account.owner.to_string(),
balance: account.lamports,
executable: account.executable,
data: base64::encode(&account.data),
}
}
}
#[derive(Default)]
pub struct GenesisAccounts(HashMap<String, Base64Account>);
impl GenesisAccounts {
pub fn insert_upgradeable_program(&mut self, program_id: Pubkey, filename: &str) {
let program_file =
find_file(filename).unwrap_or_else(|| panic!("couldn't find {}", filename));
let program_data = read_file(program_file);
let upgrade_authority_keypair =
read_keypair_file("tests/fixtures/lending_market_owner.json").unwrap();
let programdata_address =
Pubkey::find_program_address(&[program_id.as_ref()], &bpf_loader_upgradeable::id()).0;
let programdata_data_offset = UpgradeableLoaderState::programdata_data_offset().unwrap();
let programdata_space = 2 * program_data.len() + programdata_data_offset;
let mut programdata_account = Account::new_data_with_space(
u32::MAX as u64,
&UpgradeableLoaderState::ProgramData {
slot: 0,
upgrade_authority_address: Some(upgrade_authority_keypair.pubkey()),
},
programdata_space,
&bpf_loader_upgradeable::id(),
)
.unwrap();
programdata_account.data
[programdata_data_offset..programdata_data_offset + program_data.len()]
.copy_from_slice(&program_data[..]);
self.0
.insert(programdata_address.to_string(), programdata_account.into());
let mut program_account = Account::new_data(
u32::MAX as u64,
&UpgradeableLoaderState::Program {
programdata_address,
},
&bpf_loader_upgradeable::id(),
)
.unwrap();
program_account.executable = true;
self.0
.insert(program_id.to_string(), program_account.into());
}
pub async fn fetch_and_insert(&mut self, banks_client: &mut BanksClient, pubkey: Pubkey) {
let mut account: Account = banks_client.get_account(pubkey).await.unwrap().unwrap();
account.lamports = u32::MAX as u64;
self.0.insert(pubkey.to_string(), account.into());
}
pub fn write_yaml(&self) {
let serialized = serde_yaml::to_string(&self.0).unwrap();
let path = Path::new("../../target/deploy/lending_accounts.yml");
let mut file = File::create(path).unwrap();
file.write_all(&serialized.into_bytes()).unwrap();
}
}