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XVM: default account mapping for Wasm contracts #1056

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merged 5 commits into from
Oct 16, 2023
Merged

XVM: default account mapping for Wasm contracts #1056

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1a6f4e2
Add default account mapping for Wasm contracts.
shaunxw Oct 12, 2023
e25aad9
Only map accounts for Wasm if payable call.
shaunxw Oct 12, 2023
f2eca13
Charge weight for claim default address call.
shaunxw Oct 12, 2023
e55f316
Fix & docs update.
shaunxw Oct 12, 2023
6a58f46
To H160 DB read.
shaunxw Oct 12, 2023
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1 change: 1 addition & 0 deletions Cargo.lock
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2 changes: 2 additions & 0 deletions chain-extensions/xvm/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ log = { workspace = true }
num-traits = { workspace = true }
pallet-contracts = { workspace = true }
pallet-contracts-primitives = { workspace = true }
pallet-unified-accounts = { workspace = true }
parity-scale-codec = { workspace = true }
scale-info = { workspace = true }
sp-core = { workspace = true }
Expand All @@ -34,6 +35,7 @@ std = [
"num-traits/std",
"pallet-contracts/std",
"pallet-contracts-primitives/std",
"pallet-unified-accounts/std",
"scale-info/std",
"sp-std/std",
"sp-core/std",
Expand Down
29 changes: 24 additions & 5 deletions chain-extensions/xvm/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,12 @@
extern crate alloc;
use alloc::format;

use astar_primitives::xvm::{Context, VmId, XvmCall};
use astar_primitives::{
evm::UnifiedAddressMapper,
xvm::{Context, VmId, XvmCall},
};
use frame_support::dispatch::Encode;
use frame_system::RawOrigin;
use pallet_contracts::chain_extension::{
ChainExtension, Environment, Ext, InitState, RetVal, ReturnFlags,
};
Expand All @@ -48,18 +52,19 @@ impl TryFrom<u16> for XvmFuncId {
}

/// XVM chain extension.
pub struct XvmExtension<T, XC>(PhantomData<(T, XC)>);
pub struct XvmExtension<T, XC, UA>(PhantomData<(T, XC, UA)>);

impl<T, XC> Default for XvmExtension<T, XC> {
impl<T, XC, UA> Default for XvmExtension<T, XC, UA> {
fn default() -> Self {
XvmExtension(PhantomData)
}
}

impl<T, XC> ChainExtension<T> for XvmExtension<T, XC>
impl<T, XC, UA> ChainExtension<T> for XvmExtension<T, XC, UA>
where
T: pallet_contracts::Config,
T: pallet_contracts::Config + pallet_unified_accounts::Config,
XC: XvmCall<T::AccountId>,
UA: UnifiedAddressMapper<T::AccountId>,
{
fn call<E: Ext>(&mut self, env: Environment<E, InitState>) -> Result<RetVal, DispatchError>
where
Expand Down Expand Up @@ -89,6 +94,20 @@ where
// things on behalf of the caller via XVM.
let source = env.ext().address();

// Claim a default account if needed.
if value > 0 && UA::to_h160(&source).is_none() {
let claim_result =
pallet_unified_accounts::Pallet::<T>::claim_default_evm_address(
RawOrigin::Signed(source.clone()).into(),
);
if claim_result.is_err() {
return Ok(RetVal::Diverging {
flags: ReturnFlags::REVERT,
data: format!("{:?}", claim_result.err()).into(),
});
}
}
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let xvm_context = Context {
source_vm_id: VmId::Wasm,
weight_limit,
Expand Down
4 changes: 2 additions & 2 deletions runtime/shibuya/src/chain_extensions.rs
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Expand Up @@ -16,7 +16,7 @@
// You should have received a copy of the GNU General Public License
// along with Astar. If not, see <http://www.gnu.org/licenses/>.

use super::{Runtime, Xvm};
use super::{Runtime, UnifiedAccounts, Xvm};

/// Registered WASM contracts chain extensions.
pub use pallet_chain_extension_assets::AssetsExtension;
Expand All @@ -31,7 +31,7 @@ impl RegisteredChainExtension<Runtime> for DappsStakingExtension<Runtime> {
const ID: u16 = 00;
}

impl RegisteredChainExtension<Runtime> for XvmExtension<Runtime, Xvm> {
impl RegisteredChainExtension<Runtime> for XvmExtension<Runtime, Xvm, UnifiedAccounts> {
const ID: u16 = 01;
}

Expand Down
2 changes: 1 addition & 1 deletion runtime/shibuya/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -666,7 +666,7 @@ impl pallet_contracts::Config for Runtime {
type WeightInfo = pallet_contracts::weights::SubstrateWeight<Self>;
type ChainExtension = (
DappsStakingExtension<Self>,
XvmExtension<Self, Xvm>,
XvmExtension<Self, Xvm, UnifiedAccounts>,
AssetsExtension<Self, pallet_chain_extension_assets::weights::SubstrateWeight<Self>>,
);
type Schedule = Schedule;
Expand Down
8 changes: 0 additions & 8 deletions tests/integration/src/setup.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -119,14 +119,6 @@ mod shibuya {
get_evm_signature(who, secret)
));
}

pub fn claim_default_accounts(account: AccountId) {
let default_h160 = UnifiedAccounts::to_default_h160(&account);
assert_ok!(UnifiedAccounts::claim_default_evm_address(
RuntimeOrigin::signed(account.clone())
));
assert_eq!(UnifiedAccounts::to_h160(&account).unwrap(), default_h160);
}
}

#[cfg(feature = "shiden")]
Expand Down
4 changes: 0 additions & 4 deletions tests/integration/src/xvm.rs
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Expand Up @@ -330,10 +330,6 @@ fn calling_evm_payable_from_wasm_works() {
let wasm_caller_addr = deploy_wasm_contract(CALL_EVM_PAYBLE_NAME);

let value = UNIT;

// claim the default mappings for wasm contract
claim_default_accounts(wasm_caller_addr.clone());

Comment on lines -333 to -336
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Can we add a check for AccountClaimed event for the first payable call to make sure the mappings? thanks

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It's an integration test, which shouldn't assume how it works under the hood. It's supposed to only check balances to make sure the payable call worked.

let evm_payable = evm_payable_callee_addr.as_ref().to_vec();
let deposit_func = hex::decode("d0e30db0").expect("invalid deposit function hex");
let input = hex::decode("0000002a")
Expand Down