Remove MAX_EVENT_TOPICS from Environment implementations (#2122)

* Remove `MAX_EVENT_TOPICS` from `Environment` implementations

* Update changelog

* Update `Cargo.lock`

Author: davidsemakula

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 - Removed chain extension functionality ‒ [2120](https://github.com/use-ink/cargo-contract/pull/2120)
+- Remove `MAX_EVENT_TOPICS` from `Environment` implementations - [#2122](https://github.com/use-ink/cargo-contract/pull/2122)
 
 ## [6.0.0-alpha.1]
 

Cargo.lock

@@ -59,7 +59,6 @@ impl Config for Ecdsachain {
 }
 
 impl Environment for Ecdsachain {
-    const MAX_EVENT_TOPICS: usize = <DefaultEnvironment as Environment>::MAX_EVENT_TOPICS;
     const NATIVE_TO_ETH_RATIO: u32 =
         <DefaultEnvironment as Environment>::NATIVE_TO_ETH_RATIO;
     type AccountId = <DefaultEnvironment as Environment>::AccountId;
@@ -93,7 +92,6 @@ impl Config for Substrate {
 }
 
 impl Environment for Substrate {
-    const MAX_EVENT_TOPICS: usize = <DefaultEnvironment as Environment>::MAX_EVENT_TOPICS;
     const NATIVE_TO_ETH_RATIO: u32 =
         <DefaultEnvironment as Environment>::NATIVE_TO_ETH_RATIO;
     type AccountId = <DefaultEnvironment as Environment>::AccountId;
@@ -124,7 +122,6 @@ impl Config for Polkadot {
 }
 
 impl Environment for Polkadot {
-    const MAX_EVENT_TOPICS: usize = <DefaultEnvironment as Environment>::MAX_EVENT_TOPICS;
     const NATIVE_TO_ETH_RATIO: u32 =
         <DefaultEnvironment as Environment>::NATIVE_TO_ETH_RATIO;
     type AccountId = <DefaultEnvironment as Environment>::AccountId;

crates/cargo-contract/src/cmd/config.rs

@@ -19,7 +19,6 @@ use anyhow::{
 /*
 // todo missing comparison for those. not sure if even exposed somewhere.
 impl Environment for DefaultEnvironment {
-    const MAX_EVENT_TOPICS: usize = 4;
 }
 */
 fn get_node_env_fields(
@@ -470,8 +469,6 @@ mod tests {
         // let _ = generate_metadata();
         let leaf = LeafLayout::from_key::<u8>(LayoutKey::new(0_u8));
         let layout = Layout::Leaf(leaf);
-
-        const MAX_EVENT_TOPICS: usize = 4;
         const NATIVE_TO_ETH_RATIO: u32 = 100_000_000;
         const BUFFER_SIZE: usize = 1 << 14;
 
@@ -530,7 +527,6 @@ mod tests {
                             ::core::convert::AsRef::as_ref,
                         ),
                     ))
-                    .max_event_topics(MAX_EVENT_TOPICS)
                     .native_to_eth_ratio(NATIVE_TO_ETH_RATIO)
                     .static_buffer_size(BUFFER_SIZE)
                     .done(),