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let deposit = module.open_deposit();
if let Some(storage_deposit_limit) = storage_deposit_limit {
ensure!(storage_deposit_limit >= deposit, <Error<T>>::StorageDepositLimitExhausted);
}
let result = CodeUploadReturnValue { code_hash: *module.code_hash(), deposit };
module.store()?;
Ok(result)
}
/// Query storage of a specified contract under a specified key.
pub fn get_storage(address: T::AccountId, key: Vec<u8>) -> GetStorageResult {
let contract_info =
ContractInfoOf::<T>::get(&address).ok_or(ContractAccessError::DoesntExist)?;
let maybe_value = Storage::<T>::read(
&contract_info.trie_id,
&StorageKey::<T>::try_from(key).map_err(|_| ContractAccessError::KeyDecodingFailed)?,
);
/// Determine the address of a contract.
///
/// This is the address generation function used by contract instantiation. See
/// [`DefaultAddressGenerator`] for the default implementation.
pub fn contract_address(
deploying_address: &T::AccountId,
code_hash: &CodeHash<T>,
salt: &[u8],
T::AddressGenerator::generate_address(deploying_address, code_hash, salt)
/// Store code for benchmarks which does not check nor instrument the code.
#[cfg(feature = "runtime-benchmarks")]
fn store_code_raw(
code: Vec<u8>,
owner: T::AccountId,
) -> frame_support::dispatch::DispatchResult {
let schedule = T::Schedule::get();
PrefabWasmModule::store_code_unchecked(code, &schedule, owner)?;
Ok(())
}
/// This exists so that benchmarks can determine the weight of running an instrumentation.
#[cfg(feature = "runtime-benchmarks")]
fn reinstrument_module(
module: &mut PrefabWasmModule<T>,
) -> frame_support::dispatch::DispatchResult {
self::wasm::reinstrument(module, schedule).map(|_| ())
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}
/// Internal function that does the actual call.
///
/// Called by dispatchables and public functions.
fn internal_call(
origin: T::AccountId,
dest: T::AccountId,
value: BalanceOf<T>,
gas_limit: Weight,
storage_deposit_limit: Option<BalanceOf<T>>,
data: Vec<u8>,
debug_message: Option<&mut Vec<u8>>,
) -> InternalCallOutput<T> {
let mut gas_meter = GasMeter::new(gas_limit);
let mut storage_meter = match StorageMeter::new(&origin, storage_deposit_limit, value) {
Ok(meter) => meter,
Err(err) =>
return InternalCallOutput {
result: Err(err.into()),
gas_meter,
storage_deposit: Default::default(),
},
};
let schedule = T::Schedule::get();
let result = ExecStack::<T, PrefabWasmModule<T>>::run_call(
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origin.clone(),
dest,
&mut gas_meter,
&schedule,
value,
data,
debug_message,
);
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InternalCallOutput {
result,
gas_meter,
storage_deposit: storage_meter.into_deposit(&origin),
}
}
/// Internal function that does the actual instantiation.
///
/// Called by dispatchables and public functions.
fn internal_instantiate(
origin: T::AccountId,
gas_limit: Weight,
storage_deposit_limit: Option<BalanceOf<T>>,
code: Code<CodeHash<T>>,
data: Vec<u8>,
salt: Vec<u8>,
mut debug_message: Option<&mut Vec<u8>>,
) -> InternalInstantiateOutput<T> {
let mut storage_deposit = Default::default();
let mut gas_meter = GasMeter::new(gas_limit);
let try_exec = || {
let schedule = T::Schedule::get();
let (extra_deposit, executable) = match code {
let executable = PrefabWasmModule::from_code(binary, &schedule, origin.clone())
.map_err(|(err, msg)| {
debug_message.as_mut().map(|buffer| buffer.extend(msg.as_bytes()));
err
// The open deposit will be charged during execution when the
// uploaded module does not already exist. This deposit is not part of the
// storage meter because it is not transferred to the contract but
// reserved on the uploading account.
(executable.open_deposit(), executable)
Code::Existing(hash) => (
Default::default(),
PrefabWasmModule::from_storage(hash, &schedule, &mut gas_meter)?,
let mut storage_meter = StorageMeter::new(
&origin,
storage_deposit_limit,
value.saturating_add(extra_deposit),
)?;
let result = ExecStack::<T, PrefabWasmModule<T>>::run_instantiate(
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origin.clone(),
executable,
&mut gas_meter,
&schedule,
data,
&salt,
debug_message,
);
storage_deposit = storage_meter
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.into_deposit(&origin)
.saturating_add(&StorageDeposit::Charge(extra_deposit));
result
InternalInstantiateOutput { result: try_exec(), gas_meter, storage_deposit }
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/// Deposit a pallet contracts event. Handles the conversion to the overarching event type.
fn deposit_event(topics: Vec<T::Hash>, event: Event<T>) {
<frame_system::Pallet<T>>::deposit_event_indexed(
&topics,
<T as Config>::RuntimeEvent::from(event).into(),
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/// Return the existential deposit of [`Config::Currency`].
fn min_balance() -> BalanceOf<T> {
<T::Currency as Inspect<AccountIdOf<T>>>::minimum_balance()
}
/// Convert a 1D Weight to a 2D weight.
///
/// Used by backwards compatible extrinsics. We cannot just set the proof to zero
/// or an old `Call` will just fail.
fn compat_weight(gas_limit: OldWeight) -> Weight {
Weight::from(gas_limit).set_proof_size(u64::from(T::MaxCodeLen::get()) * 2)
}