From 140bc7166ee5f89da5631451634f8c2b4423a703 Mon Sep 17 00:00:00 2001
From: Michal Handzlik <michal.handzlik@cardinals.cc>
Date: Tue, 6 Dec 2022 11:12:59 +0100
Subject: [PATCH] Bring back pallet contracts API to runtime

---
 bin/runtime/src/lib.rs | 78 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 69 insertions(+), 9 deletions(-)

diff --git a/bin/runtime/src/lib.rs b/bin/runtime/src/lib.rs
index 7cb73330f2..679c9fa354 100644
--- a/bin/runtime/src/lib.rs
+++ b/bin/runtime/src/lib.rs
@@ -26,7 +26,6 @@ use frame_support::{
 };
 use frame_system::{EnsureRoot, EnsureSignedBy};
 pub use pallet_balances::Call as BalancesCall;
-use pallet_contracts::weights::WeightInfo;
 pub use pallet_timestamp::Call as TimestampCall;
 use pallet_transaction_payment::{CurrencyAdapter, Multiplier, TargetedFeeAdjustment};
 pub use primitives::Balance;
@@ -105,10 +104,10 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     spec_name: create_runtime_str!("aleph-node"),
     impl_name: create_runtime_str!("aleph-node"),
     authoring_version: 1,
-    spec_version: 44,
+    spec_version: 45,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
-    transaction_version: 13,
+    transaction_version: 14,
     state_version: 0,
 };
 
@@ -642,6 +641,9 @@ impl pallet_utility::Config for Runtime {
     type PalletsOrigin = OriginCaller;
 }
 
+// Prints debug output of the `contracts` pallet to stdout if the node is started with `-lruntime::contracts=debug`.
+const CONTRACTS_DEBUG_OUTPUT: bool = true;
+
 parameter_types! {
     // Refundable deposit per storage item
     pub const DepositPerItem: Balance = 32 * DEPOSIT_PER_BYTE;
@@ -650,12 +652,7 @@ parameter_types! {
     // How much weight of each block can be spent on the lazy deletion queue of terminated contracts
     pub DeletionWeightLimit: Weight = Perbill::from_percent(10) * BlockWeights::get().max_block; // 40ms
     // Maximum size of the lazy deletion queue of terminated contracts.
-    // The weight needed for decoding the queue should be less or equal than a tenth
-    // of the overall weight dedicated to the lazy deletion.
-    pub DeletionQueueDepth: u32 = DeletionWeightLimit::get().saturating_div((
-            <Runtime as pallet_contracts::Config>::WeightInfo::on_initialize_per_queue_item(1) -
-            <Runtime as pallet_contracts::Config>::WeightInfo::on_initialize_per_queue_item(0)
-        ).ref_time() * 10).ref_time() as u32; // 2228
+    pub const DeletionQueueDepth: u32 = 128;
     pub Schedule: pallet_contracts::Schedule<Runtime> = Default::default();
 }
 
@@ -921,6 +918,69 @@ impl_runtime_apis! {
         }
     }
 
+    impl pallet_contracts::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash>
+        for Runtime
+    {
+        fn call(
+            origin: AccountId,
+            dest: AccountId,
+            value: Balance,
+            gas_limit: Option<Weight>,
+            storage_deposit_limit: Option<Balance>,
+            input_data: Vec<u8>,
+        ) -> pallet_contracts_primitives::ContractExecResult<Balance> {
+            let gas_limit = gas_limit.unwrap_or(BlockWeights::get().max_block);
+            Contracts::bare_call(
+                origin,
+                dest,
+                value,
+                gas_limit,
+                storage_deposit_limit,
+                input_data,
+                CONTRACTS_DEBUG_OUTPUT
+            )
+        }
+
+        fn instantiate(
+            origin: AccountId,
+            value: Balance,
+            gas_limit: Option<Weight>,
+            storage_deposit_limit: Option<Balance>,
+            code: pallet_contracts_primitives::Code<Hash>,
+            data: Vec<u8>,
+            salt: Vec<u8>,
+        ) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, Balance>
+        {
+            let gas_limit = gas_limit.unwrap_or(BlockWeights::get().max_block);
+            Contracts::bare_instantiate(
+                origin,
+                value,
+                gas_limit,
+                storage_deposit_limit,
+                code,
+                data,
+                salt,
+                CONTRACTS_DEBUG_OUTPUT
+            )
+        }
+
+        fn upload_code(
+            origin: AccountId,
+            code: Vec<u8>,
+            storage_deposit_limit: Option<Balance>,
+        ) -> pallet_contracts_primitives::CodeUploadResult<Hash, Balance>
+        {
+            Contracts::bare_upload_code(origin, code, storage_deposit_limit)
+        }
+
+        fn get_storage(
+            address: AccountId,
+            key: Vec<u8>,
+        ) -> pallet_contracts_primitives::GetStorageResult {
+            Contracts::get_storage(address, key)
+        }
+    }
+
     #[cfg(feature = "try-runtime")]
      impl frame_try_runtime::TryRuntime<Block> for Runtime {
           fn on_runtime_upgrade() -> (Weight, Weight) {