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workspaces.rs
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workspaces.rs
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use near_sdk::json_types::U128;
use near_workspaces::operations::Function;
use near_workspaces::result::ValueOrReceiptId;
use near_workspaces::{types::NearToken, Account, AccountId, Contract, DevNetwork, Worker};
const ONE_YOCTO: NearToken = NearToken::from_yoctonear(1);
async fn register_user(contract: &Contract, account_id: &AccountId) -> anyhow::Result<()> {
let res = contract
.call("storage_deposit")
.args_json((account_id, Option::<bool>::None))
.max_gas()
.deposit(near_sdk::env::storage_byte_cost().saturating_mul(125))
.transact()
.await?;
assert!(res.is_success());
Ok(())
}
async fn init(
worker: &Worker<impl DevNetwork>,
initial_balance: U128,
) -> anyhow::Result<(Contract, Account, Contract)> {
let ft_contract = worker.dev_deploy(include_bytes!("../res/fungible_token.wasm")).await?;
let res = ft_contract
.call("new_default_meta")
.args_json((ft_contract.id(), initial_balance))
.max_gas()
.transact()
.await?;
assert!(res.is_success());
let defi_contract = worker.dev_deploy(include_bytes!("../res/defi.wasm")).await?;
let res = defi_contract.call("new").args_json((ft_contract.id(),)).max_gas().transact().await?;
assert!(res.is_success());
let alice = ft_contract
.as_account()
.create_subaccount("alice")
.initial_balance(NearToken::from_near(10))
.transact()
.await?
.into_result()?;
register_user(&ft_contract, alice.id()).await?;
let res = ft_contract
.call("storage_deposit")
.args_json((alice.id(), Option::<bool>::None))
.deposit(near_sdk::env::storage_byte_cost().saturating_mul(125))
.max_gas()
.transact()
.await?;
assert!(res.is_success());
return Ok((ft_contract, alice, defi_contract));
}
#[tokio::test]
async fn test_total_supply() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, _) = init(&worker, initial_balance).await?;
let res = contract.call("ft_total_supply").view().await?;
assert_eq!(res.json::<U128>()?, initial_balance);
Ok(())
}
#[tokio::test]
async fn test_storage_deposit_not_enough_deposit() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, _) = init(&worker, initial_balance).await?;
let new_account = contract
.as_account()
.create_subaccount("new-account")
.initial_balance(NearToken::from_near(10))
.transact()
.await?
.into_result()?;
let new_account_balance_before_deposit = new_account.view_account().await?.balance;
let contract_balance_before_deposit = contract.view_account().await?.balance;
let minimal_deposit = near_sdk::env::storage_byte_cost().saturating_mul(125);
let res = new_account
.call(contract.id(), "storage_deposit")
.args(b"{}".to_vec())
.max_gas()
.deposit(minimal_deposit.saturating_sub(NearToken::from_yoctonear(1)))
.transact()
.await?;
assert!(res.is_failure());
let new_account_balance_diff = new_account_balance_before_deposit
.saturating_sub(new_account.view_account().await?.balance);
// new_account is charged the transaction fee, so it should loose some NEAR
assert!(new_account_balance_diff > NearToken::from_near(0));
assert!(new_account_balance_diff < NearToken::from_millinear(1));
let contract_balance_diff =
contract.view_account().await?.balance.saturating_sub(contract_balance_before_deposit);
// contract receives a gas rewards for the function call, so it should gain some NEAR
assert!(contract_balance_diff > NearToken::from_near(0));
assert!(contract_balance_diff < NearToken::from_yoctonear(30_000_000_000_000_000_000));
Ok(())
}
#[tokio::test]
async fn test_storage_deposit_minimal_deposit() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, _) = init(&worker, initial_balance).await?;
let new_account = contract
.as_account()
.create_subaccount("new-account")
.initial_balance(NearToken::from_near(10))
.transact()
.await?
.into_result()?;
let new_account_balance_before_deposit = new_account.view_account().await?.balance;
let contract_balance_before_deposit = contract.view_account().await?.balance;
let minimal_deposit = near_sdk::env::storage_byte_cost().saturating_mul(125);
new_account
.call(contract.id(), "storage_deposit")
.args(b"{}".to_vec())
.max_gas()
.deposit(minimal_deposit)
.transact()
.await?
.into_result()?;
let new_account_balance_diff = new_account_balance_before_deposit
.saturating_sub(new_account.view_account().await?.balance);
// new_account is charged the transaction fee, so it should loose a bit more than minimal_deposit
assert!(new_account_balance_diff > minimal_deposit);
assert!(
new_account_balance_diff < minimal_deposit.saturating_add(NearToken::from_millinear(1))
);
let contract_balance_diff =
contract.view_account().await?.balance.saturating_sub(contract_balance_before_deposit);
// contract receives a gas rewards for the function call, so the difference should be slightly more than minimal_deposit
assert!(contract_balance_diff > minimal_deposit);
// adjust the upper limit of the assertion to be more flexible for small variations in the gas reward received
assert!(
contract_balance_diff
< minimal_deposit.saturating_add(NearToken::from_yoctonear(50_000_000_000_000_000_000))
);
Ok(())
}
#[tokio::test]
async fn test_storage_deposit_refunds_excessive_deposit() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, _) = init(&worker, initial_balance).await?;
let minimal_deposit = near_sdk::env::storage_byte_cost().saturating_mul(125);
// Check the storage balance bounds to make sure we have the right minimal deposit
//
#[derive(near_sdk::serde::Serialize, near_sdk::serde::Deserialize)]
#[serde(crate = "near_sdk::serde")]
struct StorageBalanceBounds {
min: U128,
max: U128,
}
let storage_balance_bounds: StorageBalanceBounds =
contract.call("storage_balance_bounds").view().await?.json()?;
assert_eq!(storage_balance_bounds.min, minimal_deposit.as_yoctonear().into());
assert_eq!(storage_balance_bounds.max, minimal_deposit.as_yoctonear().into());
// Check that a non-registered account does not have storage balance
//
#[derive(near_sdk::serde::Serialize, near_sdk::serde::Deserialize)]
#[serde(crate = "near_sdk::serde")]
struct StorageBalanceOf {
total: U128,
available: U128,
}
let storage_balance_bounds: Option<StorageBalanceOf> = contract
.call("storage_balance_of")
.args_json(near_sdk::serde_json::json!({"account_id": "non-registered-account"}))
.view()
.await?
.json()?;
assert!(storage_balance_bounds.is_none());
// Create a new account and deposit some NEAR to cover the storage
//
let new_account = contract
.as_account()
.create_subaccount("new-account")
.initial_balance(NearToken::from_near(10))
.transact()
.await?
.into_result()?;
let new_account_balance_before_deposit = new_account.view_account().await?.balance;
let contract_balance_before_deposit = contract.view_account().await?.balance;
new_account
.call(contract.id(), "storage_deposit")
.args(b"{}".to_vec())
.max_gas()
.deposit(NearToken::from_near(5))
.transact()
.await?
.into_result()?;
// The expected storage balance should be the minimal deposit,
// the balance of the account should be reduced by the deposit,
// and the contract should gain the deposit.
//
let storage_balance_bounds: StorageBalanceOf = contract
.call("storage_balance_of")
.args_json(near_sdk::serde_json::json!({"account_id": new_account.id()}))
.view()
.await?
.json()?;
assert_eq!(storage_balance_bounds.total, minimal_deposit.as_yoctonear().into());
assert_eq!(storage_balance_bounds.available, 0.into());
let new_account_balance_diff = new_account_balance_before_deposit
.saturating_sub(new_account.view_account().await?.balance);
// new_account is charged the transaction fee, so it should loose a bit more than minimal_deposit
assert!(new_account_balance_diff > minimal_deposit);
assert!(
new_account_balance_diff < minimal_deposit.saturating_add(NearToken::from_millinear(1))
);
let contract_balance_diff =
contract.view_account().await?.balance.saturating_sub(contract_balance_before_deposit);
// contract receives a gas rewards for the function call, so the difference should be slightly more than minimal_deposit
assert!(contract_balance_diff > minimal_deposit);
assert!(
contract_balance_diff
< minimal_deposit.saturating_add(NearToken::from_yoctonear(50_000_000_000_000_000_000))
);
Ok(())
}
#[tokio::test]
async fn test_simple_transfer() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let transfer_amount = U128::from(NearToken::from_near(100).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, alice, _) = init(&worker, initial_balance).await?;
let res = contract
.call("ft_transfer")
.args_json((alice.id(), transfer_amount, Option::<bool>::None))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await?;
assert!(res.is_success());
let root_balance =
contract.call("ft_balance_of").args_json((contract.id(),)).view().await?.json::<U128>()?;
let alice_balance =
contract.call("ft_balance_of").args_json((alice.id(),)).view().await?.json::<U128>()?;
assert_eq!(initial_balance.0 - transfer_amount.0, root_balance.0);
assert_eq!(transfer_amount.0, alice_balance.0);
Ok(())
}
#[tokio::test]
async fn test_close_account_empty_balance() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, alice, _) = init(&worker, initial_balance).await?;
let res = alice
.call(contract.id(), "storage_unregister")
.args_json((Option::<bool>::None,))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await?;
assert!(res.json::<bool>()?);
Ok(())
}
#[tokio::test]
async fn test_close_account_non_empty_balance() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, _) = init(&worker, initial_balance).await?;
let res = contract
.call("storage_unregister")
.args_json((Option::<bool>::None,))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await;
assert!(format!("{:?}", res)
.contains("Can't unregister the account with the positive balance without force"));
let res = contract
.call("storage_unregister")
.args_json((Some(false),))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await;
assert!(format!("{:?}", res)
.contains("Can't unregister the account with the positive balance without force"));
Ok(())
}
#[tokio::test]
async fn simulate_close_account_force_non_empty_balance() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, _) = init(&worker, initial_balance).await?;
let res = contract
.call("storage_unregister")
.args_json((Some(true),))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await?;
assert!(res.is_success());
let res = contract.call("ft_total_supply").view().await?;
assert_eq!(res.json::<U128>()?.0, 0);
Ok(())
}
#[tokio::test]
async fn simulate_transfer_call_with_burned_amount() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let transfer_amount = U128::from(NearToken::from_near(100).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, defi_contract) = init(&worker, initial_balance).await?;
// defi contract must be registered as a FT account
register_user(&contract, defi_contract.id()).await?;
// root invests in defi by calling `ft_transfer_call`
let res = contract
.batch()
.call(
Function::new("ft_transfer_call")
.args_json((defi_contract.id(), transfer_amount, Option::<String>::None, "10"))
.deposit(ONE_YOCTO)
.gas(near_sdk::Gas::from_tgas(150)),
)
.call(
Function::new("storage_unregister")
.args_json((Some(true),))
.deposit(ONE_YOCTO)
.gas(near_sdk::Gas::from_tgas(150)),
)
.transact()
.await?;
assert!(res.is_success());
let logs = res.logs();
let expected = format!("Account @{} burned {}", contract.id(), 10);
assert!(logs.len() >= 2);
assert!(logs.contains(&"The account of the sender was deleted"));
assert!(logs.contains(&(expected.as_str())));
match res.receipt_outcomes()[5].clone().into_result()? {
ValueOrReceiptId::Value(val) => {
let used_amount = val.json::<U128>()?;
assert_eq!(used_amount, transfer_amount);
}
_ => panic!("Unexpected receipt id"),
}
assert!(res.json::<bool>()?);
let res = contract.call("ft_total_supply").view().await?;
assert_eq!(res.json::<U128>()?.0, transfer_amount.0 - 10);
let defi_balance = contract
.call("ft_balance_of")
.args_json((defi_contract.id(),))
.view()
.await?
.json::<U128>()?;
assert_eq!(defi_balance.0, transfer_amount.0 - 10);
Ok(())
}
#[tokio::test]
async fn simulate_transfer_call_with_immediate_return_and_no_refund() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let transfer_amount = U128::from(NearToken::from_near(100).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, defi_contract) = init(&worker, initial_balance).await?;
// defi contract must be registered as a FT account
register_user(&contract, defi_contract.id()).await?;
// root invests in defi by calling `ft_transfer_call`
let res = contract
.call("ft_transfer_call")
.args_json((defi_contract.id(), transfer_amount, Option::<String>::None, "take-my-money"))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await?;
assert!(res.is_success());
let root_balance =
contract.call("ft_balance_of").args_json((contract.id(),)).view().await?.json::<U128>()?;
let defi_balance = contract
.call("ft_balance_of")
.args_json((defi_contract.id(),))
.view()
.await?
.json::<U128>()?;
assert_eq!(initial_balance.0 - transfer_amount.0, root_balance.0);
assert_eq!(transfer_amount.0, defi_balance.0);
Ok(())
}
#[tokio::test]
async fn simulate_transfer_call_when_called_contract_not_registered_with_ft() -> anyhow::Result<()>
{
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let transfer_amount = U128::from(NearToken::from_near(100).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, defi_contract) = init(&worker, initial_balance).await?;
// call fails because DEFI contract is not registered as FT user
let res = contract
.call("ft_transfer_call")
.args_json((defi_contract.id(), transfer_amount, Option::<String>::None, "take-my-money"))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await?;
assert!(res.is_failure());
// balances remain unchanged
let root_balance =
contract.call("ft_balance_of").args_json((contract.id(),)).view().await?.json::<U128>()?;
let defi_balance = contract
.call("ft_balance_of")
.args_json((defi_contract.id(),))
.view()
.await?
.json::<U128>()?;
assert_eq!(initial_balance.0, root_balance.0);
assert_eq!(0, defi_balance.0);
Ok(())
}
#[tokio::test]
async fn simulate_transfer_call_with_promise_and_refund() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let refund_amount = U128::from(NearToken::from_near(50).as_yoctonear());
let transfer_amount = U128::from(NearToken::from_near(100).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, defi_contract) = init(&worker, initial_balance).await?;
// defi contract must be registered as a FT account
register_user(&contract, defi_contract.id()).await?;
let res = contract
.call("ft_transfer_call")
.args_json((
defi_contract.id(),
transfer_amount,
Option::<String>::None,
refund_amount.0.to_string(),
))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await?;
assert!(res.is_success());
let root_balance =
contract.call("ft_balance_of").args_json((contract.id(),)).view().await?.json::<U128>()?;
let defi_balance = contract
.call("ft_balance_of")
.args_json((defi_contract.id(),))
.view()
.await?
.json::<U128>()?;
assert_eq!(initial_balance.0 - transfer_amount.0 + refund_amount.0, root_balance.0);
assert_eq!(transfer_amount.0 - refund_amount.0, defi_balance.0);
Ok(())
}
#[tokio::test]
async fn simulate_transfer_call_promise_panics_for_a_full_refund() -> anyhow::Result<()> {
let initial_balance = U128::from(NearToken::from_near(10000).as_yoctonear());
let transfer_amount = U128::from(NearToken::from_near(100).as_yoctonear());
let worker = near_workspaces::sandbox().await?;
let (contract, _, defi_contract) = init(&worker, initial_balance).await?;
// defi contract must be registered as a FT account
register_user(&contract, defi_contract.id()).await?;
// root invests in defi by calling `ft_transfer_call`
let res = contract
.call("ft_transfer_call")
.args_json((
defi_contract.id(),
transfer_amount,
Option::<String>::None,
"no parsey as integer big panic oh no".to_string(),
))
.max_gas()
.deposit(ONE_YOCTO)
.transact()
.await?;
assert!(res.is_success());
let promise_failures = res.receipt_failures();
assert_eq!(promise_failures.len(), 1);
let failure = promise_failures[0].clone().into_result();
if let Err(err) = failure {
assert!(format!("{:?}", err).contains("ParseIntError"));
} else {
unreachable!();
}
// balances remain unchanged
let root_balance =
contract.call("ft_balance_of").args_json((contract.id(),)).view().await?.json::<U128>()?;
let defi_balance = contract
.call("ft_balance_of")
.args_json((defi_contract.id(),))
.view()
.await?
.json::<U128>()?;
assert_eq!(initial_balance, root_balance);
assert_eq!(0, defi_balance.0);
Ok(())
}