diff --git a/crates/env/src/engine/off_chain/test_api.rs b/crates/env/src/engine/off_chain/test_api.rs
index b36c58d2252..d869c82f208 100644
--- a/crates/env/src/engine/off_chain/test_api.rs
+++ b/crates/env/src/engine/off_chain/test_api.rs
@@ -27,6 +27,7 @@ use ink_engine::test_api::RecordedDebugMessages;
use std::panic::UnwindSafe;
pub use super::call_data::CallData;
+pub use ink_engine::ext::ChainSpec;
pub use ink_engine::ChainExtension;
/// Record for an emitted event.
@@ -45,15 +46,24 @@ pub struct EmittedEvent {
/// Note that account could refer to either a user account or
/// a smart contract account.
///
+/// If a 0 balance is set, this would not fail. This is useful for
+/// reaping an account.
+///
/// # Errors
///
/// - If `account` does not exist.
/// - If the underlying `account` type does not match.
/// - If the underlying `new_balance` type does not match.
+/// - If the `new_balance` is less than the existential minimum.
pub fn set_account_balance<T>(account_id: T::AccountId, new_balance: T::Balance)
-where
- T: Environment<Balance = u128>, // Just temporary for the MVP!
+ where
+ T: Environment<Balance = u128>, // Just temporary for the MVP!
{
+ let min = ChainSpec::default().minimum_balance;
+ if new_balance < T::Balance::from(min) && new_balance != 0.into(){
+ panic!("Balance must be at least [{}]. Use 0 as balance to reap the account.", min);
+ }
+
<EnvInstance as OnInstance>::on_instance(|instance| {
instance
.engine
@@ -74,8 +84,8 @@ where
/// - If `account` does not exist.
/// - If the underlying `account` type does not match.
pub fn get_account_balance<T>(account_id: T::AccountId) -> Result<T::Balance>
-where
- T: Environment<Balance = u128>, // Just temporary for the MVP!
+ where
+ T: Environment<Balance = u128>, // Just temporary for the MVP!
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance
@@ -87,8 +97,8 @@ where
/// Registers a new chain extension.
pub fn register_chain_extension<E>(extension: E)
-where
- E: ink_engine::ChainExtension + 'static,
+ where
+ E: ink_engine::ChainExtension + 'static,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance
@@ -120,8 +130,8 @@ pub fn set_clear_storage_disabled(_disable: bool) {
/// Advances the chain by a single block.
pub fn advance_block<T>()
-where
- T: Environment,
+ where
+ T: Environment,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance.engine.advance_block();
@@ -130,9 +140,9 @@ where
/// Sets a caller for the next call.
pub fn set_caller<T>(caller: T::AccountId)
-where
- T: Environment,
- <T as Environment>::AccountId: From<[u8; 32]>,
+ where
+ T: Environment,
+ <T as Environment>::AccountId: From<[u8; 32]>,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance.engine.set_caller(scale::Encode::encode(&caller));
@@ -141,9 +151,9 @@ where
/// Sets the callee for the next call.
pub fn set_callee<T>(callee: T::AccountId)
-where
- T: Environment,
- <T as Environment>::AccountId: From<[u8; 32]>,
+ where
+ T: Environment,
+ <T as Environment>::AccountId: From<[u8; 32]>,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance.engine.set_callee(scale::Encode::encode(&callee));
@@ -152,9 +162,9 @@ where
/// Sets an account as a contract
pub fn set_contract<T>(contract: T::AccountId)
-where
- T: Environment,
- <T as Environment>::AccountId: From<[u8; 32]>,
+ where
+ T: Environment,
+ <T as Environment>::AccountId: From<[u8; 32]>,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance
@@ -165,9 +175,9 @@ where
/// Returns a boolean to indicate whether an account is a contract
pub fn is_contract<T>(contract: T::AccountId) -> bool
-where
- T: Environment,
- <T as Environment>::AccountId: From<[u8; 32]>,
+ where
+ T: Environment,
+ <T as Environment>::AccountId: From<[u8; 32]>,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance
@@ -180,8 +190,8 @@ where
///
/// This is account id of the currently executing contract.
pub fn callee<T>() -> T::AccountId
-where
- T: Environment,
+ where
+ T: Environment,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
let callee = instance.engine.get_callee();
@@ -192,8 +202,8 @@ where
/// Returns the total number of reads and writes of the contract's storage.
pub fn get_contract_storage_rw<T>(account_id: &T::AccountId) -> (usize, usize)
-where
- T: Environment,
+ where
+ T: Environment,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance
@@ -207,8 +217,8 @@ where
/// Please note that the acting accounts should be set with [`set_caller()`] and
/// [`set_callee()`] beforehand.
pub fn set_value_transferred<T>(value: T::Balance)
-where
- T: Environment<Balance = u128>, // Just temporary for the MVP!
+ where
+ T: Environment<Balance = u128>, // Just temporary for the MVP!
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance.engine.set_value_transferred(value);
@@ -220,8 +230,8 @@ where
/// Please note that the acting accounts should be set with [`set_caller()`] and
/// [`set_callee()`] beforehand.
pub fn transfer_in<T>(value: T::Balance)
-where
- T: Environment<Balance = u128>, // Just temporary for the MVP!
+ where
+ T: Environment<Balance = u128>, // Just temporary for the MVP!
{
<EnvInstance as OnInstance>::on_instance(|instance| {
let caller = instance
@@ -258,8 +268,8 @@ where
///
/// Returns `None` if the `account_id` is non-existent.
pub fn count_used_storage_cells<T>(account_id: &T::AccountId) -> Result<usize>
-where
- T: Environment,
+ where
+ T: Environment,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance
@@ -271,8 +281,8 @@ where
/// Sets the block timestamp for the next [`advance_block`] invocation.
pub fn set_block_timestamp<T>(value: T::Timestamp)
-where
- T: Environment<Timestamp = u64>,
+ where
+ T: Environment<Timestamp = u64>,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance.engine.set_block_timestamp(value);
@@ -281,8 +291,8 @@ where
/// Sets the block number for the next [`advance_block`] invocation.
pub fn set_block_number<T>(value: T::BlockNumber)
-where
- T: Environment<BlockNumber = u32>,
+ where
+ T: Environment<BlockNumber = u32>,
{
<EnvInstance as OnInstance>::on_instance(|instance| {
instance.engine.set_block_number(value);
@@ -292,10 +302,10 @@ where
/// Runs the given closure test function with the default configuration
/// for the off-chain environment.
pub fn run_test<T, F>(f: F) -> Result<()>
-where
- T: Environment,
- F: FnOnce(DefaultAccounts<T>) -> Result<()>,
- <T as Environment>::AccountId: From<[u8; 32]>,
+ where
+ T: Environment,
+ F: FnOnce(DefaultAccounts<T>) -> Result<()>,
+ <T as Environment>::AccountId: From<[u8; 32]>,
{
let default_accounts = default_accounts::<T>();
<EnvInstance as OnInstance>::on_instance(|instance| {
@@ -306,24 +316,24 @@ where
instance.engine.set_callee(encoded_alice.clone());
// set up the funds for the default accounts
- let substantial = 1_000_000;
- let some = 1_000;
- instance.engine.set_balance(encoded_alice, substantial);
+ // this is the same as substrate-contracts-node/node/src/chain_spec.rs `test_genesis` function.
+ let value = (1 << 60);
+ instance.engine.set_balance(encoded_alice, value);
instance
.engine
- .set_balance(scale::Encode::encode(&default_accounts.bob), some);
+ .set_balance(scale::Encode::encode(&default_accounts.bob), value);
instance
.engine
- .set_balance(scale::Encode::encode(&default_accounts.charlie), some);
+ .set_balance(scale::Encode::encode(&default_accounts.charlie), value);
instance
.engine
- .set_balance(scale::Encode::encode(&default_accounts.django), 0);
+ .set_balance(scale::Encode::encode(&default_accounts.django), value);
instance
.engine
- .set_balance(scale::Encode::encode(&default_accounts.eve), 0);
+ .set_balance(scale::Encode::encode(&default_accounts.eve), value);
instance
.engine
- .set_balance(scale::Encode::encode(&default_accounts.frank), 0);
+ .set_balance(scale::Encode::encode(&default_accounts.frank), value);
});
f(default_accounts)
}
@@ -331,9 +341,9 @@ where
/// Returns the default accounts for testing purposes:
/// Alice, Bob, Charlie, Django, Eve and Frank.
pub fn default_accounts<T>() -> DefaultAccounts<T>
-where
- T: Environment,
- <T as Environment>::AccountId: From<[u8; 32]>,
+ where
+ T: Environment,
+ <T as Environment>::AccountId: From<[u8; 32]>,
{
DefaultAccounts {
alice: T::AccountId::from([0x01; 32]),
@@ -347,8 +357,8 @@ where
/// The default accounts.
pub struct DefaultAccounts<T>
-where
- T: Environment,
+ where
+ T: Environment,
{
/// The predefined `ALICE` account holding substantial amounts of value.
pub alice: T::AccountId,