call_v2 cross-contract calls with additional limit parameters

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [Linter] `non_fallible_api` lint - [#2004](https://github.com/paritytech/ink/pull/2004)
 - [Linter] Publish the linting crates on crates.io - [#2060](https://github.com/paritytech/ink/pull/2060)
 - [E2E] Added `create_call_builder` for testing existing contracts - [#2075](https://github.com/paritytech/ink/pull/2075)
+- `call_v2` cross-contract calls with additional limit parameters - [#2077](https://github.com/paritytech/ink/pull/2077)
 
 ### Changed
 - `Mapping`: Reflect all possible failure cases in comments ‒ [#2079](https://github.com/paritytech/ink/pull/2079)

crates/env/src/api.rs

@@ -22,6 +22,7 @@ use crate::{
     call::{
         Call,
         CallParams,
+        CallV2,
         ConstructorReturnType,
         CreateParams,
         DelegateCall,
@@ -286,6 +287,37 @@ where
     })
 }
 
+/// Invokes a contract message and returns its result.
+///
+/// # Note
+///
+/// **This will call into a new version of the host function which allows setting new
+/// weight and storage limit parameters.**
+///
+/// This is a low level way to evaluate another smart contract.
+/// Prefer to use the ink! guided and type safe approach to using this.
+///
+/// # Errors
+///
+/// - If the called account does not exist.
+/// - If the called account is not a contract.
+/// - If arguments passed to the called contract message are invalid.
+/// - If the called contract execution has trapped.
+/// - If the called contract ran out of gas upon execution.
+/// - If the returned value failed to decode properly.
+pub fn invoke_contract_v2<E, Args, R>(
+    params: &CallParams<E, CallV2<E>, Args, R>,
+) -> Result<ink_primitives::MessageResult<R>>
+where
+    E: Environment,
+    Args: scale::Encode,
+    R: scale::Decode,
+{
+    <EnvInstance as OnInstance>::on_instance(|instance| {
+        TypedEnvBackend::invoke_contract_v2::<E, Args, R>(instance, params)
+    })
+}
+
 /// Invokes a contract message via delegate call and returns its result.
 ///
 /// # Note

crates/env/src/backend.rs

@@ -16,6 +16,7 @@ use crate::{
     call::{
         Call,
         CallParams,
+        CallV2,
         ConstructorReturnType,
         CreateParams,
         DelegateCall,
@@ -304,6 +305,22 @@ pub trait TypedEnvBackend: EnvBackend {
         Args: scale::Encode,
         R: scale::Decode;
 
+    /// Invokes a contract message and returns its result.
+    ///
+    /// # Note
+    ///
+    /// **This will call into the new `call_v2` host function.**
+    ///
+    /// For more details visit: [`invoke_contract`][`crate::invoke_contract_v2`]
+    fn invoke_contract_v2<E, Args, R>(
+        &mut self,
+        call_data: &CallParams<E, CallV2<E>, Args, R>,
+    ) -> Result<ink_primitives::MessageResult<R>>
+    where
+        E: Environment,
+        Args: scale::Encode,
+        R: scale::Decode;
+
     /// Invokes a contract message via delegate call and returns its result.
     ///
     /// # Note