Merge pull request #2210 from opentensor/fix-wrong-alpha-price-precompile

Fix wrong alpha price precompile

Author: open-junius

precompiles/src/alpha.rs

@@ -35,8 +35,9 @@ where
     #[precompile::public("getAlphaPrice(uint16)")]
     #[precompile::view]
     fn get_alpha_price(_handle: &mut impl PrecompileHandle, netuid: u16) -> EvmResult<U256> {
-        let price =
+        let current_alpha_price =
             <pallet_subtensor_swap::Pallet<R> as SwapHandler>::current_alpha_price(netuid.into());
+        let price = current_alpha_price.saturating_mul(U96F32::from_num(1_000_000_000));
         let price: SubstrateBalance = price.saturating_to_num::<u64>().into();
         let price_eth = <R as pallet_evm::Config>::BalanceConverter::into_evm_balance(price)
             .map(|amount| amount.into_u256())
@@ -48,7 +49,9 @@ where
     #[precompile::public("getMovingAlphaPrice(uint16)")]
     #[precompile::view]
     fn get_moving_alpha_price(_handle: &mut impl PrecompileHandle, netuid: u16) -> EvmResult<U256> {
-        let price: U96F32 = pallet_subtensor::Pallet::<R>::get_moving_alpha_price(netuid.into());
+        let moving_alpha_price: U96F32 =
+            pallet_subtensor::Pallet::<R>::get_moving_alpha_price(netuid.into());
+        let price = moving_alpha_price.saturating_mul(U96F32::from_num(1_000_000_000));
         let price: SubstrateBalance = price.saturating_to_num::<u64>().into();
         let price_eth = <R as pallet_evm::Config>::BalanceConverter::into_evm_balance(price)
             .map(|amount| amount.into_u256())
@@ -202,7 +205,8 @@ where
             }
         }
 
-        let price: SubstrateBalance = sum_alpha_price.saturating_to_num::<u64>().into();
+        let price = sum_alpha_price.saturating_mul(U96F32::from_num(1_000_000_000));
+        let price: SubstrateBalance = price.saturating_to_num::<u64>().into();
         let price_eth = <R as pallet_evm::Config>::BalanceConverter::into_evm_balance(price)
             .map(|amount| amount.into_u256())
             .ok_or(ExitError::InvalidRange)?;

runtime/src/lib.rs

@@ -220,7 +220,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 346,
+    spec_version: 347,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,