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refactor: pop-api fungible integration tests #416

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refactor: pop-api fungible integration tests #416

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287 changes: 183 additions & 104 deletions pop-api/integration-tests/src/fungibles/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,16 +11,6 @@ mod utils;
const TOKEN_ID: TokenId = 1;
const CONTRACT: &str = "contracts/fungibles/target/ink/fungibles.wasm";

/// 1. PSP-22 Interface:
/// - total_supply
/// - balance_of
/// - allowance
/// - transfer
/// - transfer_from
/// - approve
/// - increase_allowance
/// - decrease_allowance

#[test]
fn total_supply_works() {
new_test_ext().execute_with(|| {
Expand Down Expand Up @@ -75,95 +65,195 @@ fn allowance_works() {
});
}

#[test]
fn transfer_works() {
new_test_ext().execute_with(|| {
mod transfer {
fn init() -> (AccountId, Balance) {
let addr = instantiate(CONTRACT, INIT_VALUE, vec![]);
let amount: Balance = 100 * UNIT;

// Token does not exist.
assert_eq!(transfer(&addr, 1, BOB, amount), Err(Module { index: 52, error: [3, 0] }));
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &addr, amount);
// Token is not live, i.e. frozen or being destroyed.
assets::freeze(&ALICE, token);
assert_eq!(transfer(&addr, token, BOB, amount), Err(Module { index: 52, error: [16, 0] }));
assets::thaw(&ALICE, token);
// Not enough balance.
assert_eq!(
transfer(&addr, token, BOB, amount + 1 * UNIT),
Err(Module { index: 52, error: [0, 0] })
);
// Not enough balance due to ED.
assert_eq!(transfer(&addr, token, BOB, amount), Err(Module { index: 52, error: [0, 0] }));
// Successful transfer.
let balance_before_transfer = Assets::balance(token, &BOB);
assert_ok!(transfer(&addr, token, BOB, amount / 2));
let balance_after_transfer = Assets::balance(token, &BOB);
assert_eq!(balance_after_transfer, balance_before_transfer + amount / 2);
// Successfully emit event.
let from = account_id_from_slice(addr.as_ref());
let to = account_id_from_slice(BOB.as_ref());
let expected = Transfer { from: Some(from), to: Some(to), value: amount / 2 }.encode();
assert_eq!(last_contract_event(), expected.as_slice());
// Transfer token to account that does not exist.
assert_eq!(transfer(&addr, token, FERDIE, amount / 4), Err(Token(CannotCreate)));
// Token is not live, i.e. frozen or being destroyed.
assets::start_destroy(&ALICE, token);
assert_eq!(
transfer(&addr, token, BOB, amount / 4),
Err(Module { index: 52, error: [16, 0] })
);
});
(addr, amount)
}

#[test]
fn transfer_fails_with_unknown_token() {
new_test_ext().execute_with(|| {
let (addr, _) = init();
assert_eq!(
transfer(&addr, 1, BOB, 100 * UNIT),
Err(Module { index: 52, error: [3, 0] })
);
});
}

#[test]
fn transfer_fails_with_token_not_live() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &addr, amount);
// Token is not live, i.e. frozen or being destroyed.
assets::freeze(&ALICE, token);
assert_eq!(
transfer(&addr, token, BOB, amount),
Err(Module { index: 52, error: [16, 0] })
);
assets::thaw(&ALICE, token);
// Token is not live, i.e. frozen or being destroyed.
assets::start_destroy(&ALICE, token);
assert_eq!(
transfer(&addr, token, BOB, amount / 4),
Err(Module { index: 52, error: [16, 0] })
);
});
}

#[test]
fn transfer_fails_with_not_enough_balance() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &addr, amount);
// Not enough balance.
assert_eq!(
transfer(&addr, token, BOB, amount + 1 * UNIT),
Err(Module { index: 52, error: [0, 0] })
);
// Not enough balance due to ED.
assert_eq!(
transfer(&addr, token, BOB, amount),
Err(Module { index: 52, error: [0, 0] })
);
});
}

#[test]
fn transfer_fails_with_unknown_account() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &addr, amount);
// Transfer token to account that does not exist.
assert_eq!(transfer(&addr, token, FERDIE, amount / 4), Err(Token(CannotCreate)));
});
}

#[test]
fn transfer_works() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &addr, amount);
// Successful transfer.
let balance_before_transfer = Assets::balance(token, &BOB);
assert_ok!(transfer(&addr, token, BOB, amount / 2));
let balance_after_transfer = Assets::balance(token, &BOB);
assert_eq!(balance_after_transfer, balance_before_transfer + amount / 2);
// Successfully emit event.
let from = account_id_from_slice(addr.as_ref());
let to = account_id_from_slice(BOB.as_ref());
let expected = Transfer { from: Some(from), to: Some(to), value: amount / 2 }.encode();
assert_eq!(last_contract_event(), expected.as_slice());
});
}
}

#[test]
fn transfer_from_works() {
new_test_ext().execute_with(|| {
mod transfer_from {
fn init() -> (AccountId, Balance) {
let addr = instantiate(CONTRACT, INIT_VALUE, vec![]);
let amount: Balance = 100 * UNIT;

// Token does not exist.
assert_eq!(
transfer_from(&addr, 1, ALICE, BOB, amount / 2),
Err(Module { index: 52, error: [3, 0] }),
);
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &ALICE, amount);
// Unapproved transfer.
assert_eq!(
transfer_from(&addr, token, ALICE, BOB, amount / 2),
Err(Module { index: 52, error: [10, 0] })
);
assert_ok!(Assets::approve_transfer(
RuntimeOrigin::signed(ALICE.into()),
token.into(),
addr.clone().into(),
amount + 1 * UNIT,
));
// Token is not live, i.e. frozen or being destroyed.
assets::freeze(&ALICE, token);
assert_eq!(
transfer_from(&addr, token, ALICE, BOB, amount),
Err(Module { index: 52, error: [16, 0] }),
);
assets::thaw(&ALICE, token);
// Not enough balance.
assert_eq!(
transfer_from(&addr, token, ALICE, BOB, amount + 1 * UNIT),
Err(Module { index: 52, error: [0, 0] }),
);
// Successful transfer.
let balance_before_transfer = Assets::balance(token, &BOB);
assert_ok!(transfer_from(&addr, token, ALICE, BOB, amount / 2));
let balance_after_transfer = Assets::balance(token, &BOB);
assert_eq!(balance_after_transfer, balance_before_transfer + amount / 2);
// Successfully emit event.
let from = account_id_from_slice(ALICE.as_ref());
let to = account_id_from_slice(BOB.as_ref());
let expected = Transfer { from: Some(from), to: Some(to), value: amount / 2 }.encode();
assert_eq!(last_contract_event(), expected.as_slice());
});
(addr, amount)
}

#[test]
fn transfer_from_fails_with_unknown_token() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Token does not exist.
assert_eq!(
transfer_from(&addr, 1, ALICE, BOB, amount / 2),
Err(Module { index: 52, error: [3, 0] }),
);
});
}

#[test]
fn transfer_from_fails_with_unapproved() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &ALICE, amount);
// Unapproved transfer.
assert_eq!(
transfer_from(&addr, token, ALICE, BOB, amount / 2),
Err(Module { index: 52, error: [10, 0] })
);
});
}

#[test]
fn transfer_from_fails_with_token_not_live() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &ALICE, amount);
assert_ok!(Assets::approve_transfer(
RuntimeOrigin::signed(ALICE.into()),
token.into(),
addr.clone().into(),
amount + 1 * UNIT,
));
// Token is not live, i.e. frozen or being destroyed.
assets::freeze(&ALICE, token);
assert_eq!(
transfer_from(&addr, token, ALICE, BOB, amount),
Err(Module { index: 52, error: [16, 0] }),
);
assets::thaw(&ALICE, token);
});
}

#[test]
fn transfer_from_fails_with_not_enough_balance() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &ALICE, amount);
assert_ok!(Assets::approve_transfer(
RuntimeOrigin::signed(ALICE.into()),
token.into(),
addr.clone().into(),
amount + 1 * UNIT,
));
// Not enough balance.
assert_eq!(
transfer_from(&addr, token, ALICE, BOB, amount + 1 * UNIT),
Err(Module { index: 52, error: [0, 0] }),
);
});
}

#[test]
fn transfer_from_works() {
new_test_ext().execute_with(|| {
let (addr, amount) = init();
// Create token with Alice as owner and mint `amount` to contract address.
let token = assets::create_and_mint_to(&ALICE, 1, &ALICE, amount);
assert_ok!(Assets::approve_transfer(
RuntimeOrigin::signed(ALICE.into()),
token.into(),
addr.clone().into(),
amount + 1 * UNIT,
));
// Successful transfer.
let balance_before_transfer = Assets::balance(token, &BOB);
assert_ok!(transfer_from(&addr, token, ALICE, BOB, amount / 2));
let balance_after_transfer = Assets::balance(token, &BOB);
assert_eq!(balance_after_transfer, balance_before_transfer + amount / 2);
// Successfully emit event.
let from = account_id_from_slice(ALICE.as_ref());
let to = account_id_from_slice(BOB.as_ref());
let expected = Transfer { from: Some(from), to: Some(to), value: amount / 2 }.encode();
assert_eq!(last_contract_event(), expected.as_slice());
});
}
}

#[test]
Expand Down Expand Up @@ -281,11 +371,6 @@ fn decrease_allowance_works() {
});
}

/// 2. PSP-22 Metadata Interface:
/// - token_name
/// - token_symbol
/// - token_decimals

#[test]
fn token_metadata_works() {
new_test_ext().execute_with(|| {
Expand All @@ -308,12 +393,6 @@ fn token_metadata_works() {
assert_eq!(token_decimals(&addr, TOKEN_ID), Ok(decimals));
});
}
/// 3. Management:
/// - create
/// - start_destroy
/// - set_metadata
/// - clear_metadata
/// - token_exists

#[test]
fn create_works() {
Expand Down
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